/* roulang page: index */
:root {
            --color-primary: #FF6A00;
            --color-primary-hover: #E55D00;
            --color-primary-soft: #FFF1E6;
            --color-dark: #221F1E;
            --color-dark-soft: #2D2A28;
            --color-text: #2D2A28;
            --color-text-secondary: #6B6763;
            --color-text-light: #B8B0AA;
            --color-bg: #FCFAF7;
            --color-bg-warm: #F7F4F0;
            --color-card: #FFFFFF;
            --color-border: #E8E2DA;
            --color-accent: #00A6A6;
            --color-heat: #E5484D;
            --color-success: #2F855A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 12px rgba(34,31,30,0.04);
            --shadow-card-hover: 0 8px 24px rgba(34,31,30,0.08);
            --shadow-nav: 0 1px 10px rgba(34,31,30,0.06);
            --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --container-max: 1200px;
            --section-gap-desktop: 88px;
            --section-gap-mobile: 56px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding-top: 16px;
            padding-bottom: 0;
            background: var(--color-bg);
        }

        .nav-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-nav);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: var(--container-max);
            margin: 0 auto;
            transition: box-shadow var(--transition-base);
        }

        .nav-panel.scrolled {
            box-shadow: 0 4px 20px rgba(34,31,30,0.1);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.5px;
            position: relative;
            overflow: hidden;
        }

        .nav-brand-icon::after {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: rgba(255,255,255,0.25);
            border-radius: 50%;
            top: -4px;
            right: -4px;
        }

        .nav-brand-icon::before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255,255,255,0.4);
            border-radius: 50%;
            bottom: -8px;
            left: -6px;
        }

        .nav-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-brand-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-link-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid transparent;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link-card:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .nav-link-card.active {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255,106,0,0.3);
        }

        .nav-hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-mobile-panel {
            display: none;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card-hover);
            margin-top: 8px;
            padding: 12px;
            flex-direction: column;
            gap: 8px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), opacity var(--transition-base);
            opacity: 0;
        }

        .nav-mobile-panel.open {
            max-height: 600px;
            opacity: 1;
        }

        .nav-mobile-panel .nav-link-card {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 15px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            background: var(--color-bg);
        }

        .nav-mobile-panel .nav-cta {
            width: 100%;
            justify-content: center;
            margin-top: 4px;
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-mobile-panel {
                display: flex;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-panel {
                flex-wrap: wrap;
            }
            .site-header {
                padding-top: 10px;
            }
            .nav-panel {
                border-radius: var(--radius-md);
            }
        }

        @media (min-width: 1024px) {
            .nav-mobile-panel {
                display: none !important;
            }
            .nav-hamburger {
                display: none !important;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            padding: 48px 0 0;
            overflow: hidden;
        }

        .hero-backdrop {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero-backdrop::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(34,31,30,0.88) 0%, rgba(34,31,30,0.72) 45%, rgba(34,31,30,0.55) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
            min-height: 85vh;
            padding: 56px 0 72px;
        }

        .hero-text {
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,106,0,0.2);
            border: 1px solid rgba(255,106,0,0.5);
            color: #FFB37A;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--color-primary);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.5); opacity: 0.6; }
        }

        .hero-title {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero-title em {
            font-style: normal;
            color: var(--color-primary);
            position: relative;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: #D8D4D0;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255,106,0,0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255,106,0,0.25);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255,255,255,0.5);
        }
        .btn-secondary:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-kpi-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-kpi {
            display: flex;
            flex-direction: column;
        }

        .hero-kpi-value {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
        }

        .hero-kpi-label {
            font-size: 12px;
            color: #B8B0AA;
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0,0,0,0.35);
            aspect-ratio: 16/11;
            background-image: url('/assets/images/coverpic/cover-1.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid rgba(255,255,255,0.15);
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(145deg, rgba(34,31,30,0.2) 0%, rgba(34,31,30,0.05) 50%, rgba(34,31,30,0.4) 100%);
        }

        .hero-visual-tag {
            position: absolute;
            z-index: 2;
            bottom: 16px;
            left: 16px;
            background: rgba(34,31,30,0.8);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 1px solid rgba(255,255,255,0.15);
        }

        .hero-bubble {
            position: absolute;
            z-index: 3;
            background: rgba(255,255,255,0.18);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.25);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 50px;
            animation: bubble-float 6s ease-in-out infinite;
        }

        .hero-bubble.b1 {
            top: 12%;
            right: 8%;
        }
        .hero-bubble.b2 {
            top: 35%;
            right: -4%;
            animation-delay: 2s;
        }
        .hero-bubble.b3 {
            bottom: 25%;
            left: -6%;
            animation-delay: 4s;
        }

        @keyframes bubble-float {
            0%, 100% { transform: translateY(0) translateX(0); }
            25% { transform: translateY(-8px) translateX(4px); }
            50% { transform: translateY(4px) translateX(-3px); }
            75% { transform: translateY(-5px) translateX(2px); }
        }

        @media (max-width: 1023px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
                min-height: auto;
                padding: 40px 0 56px;
            }
            .hero-title {
                font-size: 38px;
            }
            .hero-visual {
                aspect-ratio: 16/10;
            }
            .hero-bubble.b2 {
                right: 2%;
            }
            .hero-bubble.b3 {
                left: 2%;
            }
        }

        @media (max-width: 767px) {
            .hero-content {
                padding: 28px 0 40px;
                gap: 24px;
            }
            .hero-title {
                font-size: 30px;
                letter-spacing: -0.5px;
            }
            .hero-subtitle {
                font-size: 15px;
                line-height: 1.8;
                margin-bottom: 20px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
                padding: 13px 20px;
                font-size: 14px;
            }
            .hero-kpi-row {
                gap: 18px;
            }
            .hero-kpi-value {
                font-size: 22px;
            }
            .hero-visual {
                aspect-ratio: 16/9;
            }
            .hero-bubble {
                font-size: 10px;
                padding: 4px 8px;
            }
        }

        /* Section General */
        .section {
            padding: var(--section-gap-desktop) 0;
        }

        @media (max-width: 767px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.5px;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-secondary);
            max-width: 640px;
        }

        @media (max-width: 767px) {
            .section-header {
                margin-bottom: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 15px;
            }
        }

        /* Stats Strip */
        .stats-strip {
            background: var(--color-dark);
            padding: 48px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-value {
            font-size: 40px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: #B8B0AA;
            font-weight: 500;
            margin-top: 6px;
        }

        @media (max-width: 1023px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            .stats-strip {
                padding: 32px 0;
            }
            .stat-value {
                font-size: 28px;
            }
            .stat-label {
                font-size: 12px;
            }
        }

        /* Features Section - 功能分组 */
        .features-section {
            background: var(--color-bg);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-card:nth-child(1) { grid-column: span 2; }
        .feature-card:nth-child(2) { grid-column: span 2; }
        .feature-card:nth-child(3) { grid-column: span 2; }
        .feature-card:nth-child(4) { grid-column: span 2; }
        .feature-card:nth-child(5) { grid-column: span 2; }
        .feature-card:nth-child(6) { grid-column: span 2; }
        .feature-card:nth-child(1),
        .feature-card:nth-child(4) { padding: 32px 24px; }
        .feature-card:nth-child(2),
        .feature-card:nth-child(5) { padding: 20px 18px; margin-top: 16px; }
        .feature-card:nth-child(3),
        .feature-card:nth-child(6) { padding: 28px 22px; }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary);
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            background: var(--color-primary-soft);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

        .feature-card:hover .feature-icon {
            background: var(--color-primary);
            color: #fff;
        }

        .feature-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
        }

        .feature-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        @media (max-width: 1023px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .feature-card:nth-child(1),
            .feature-card:nth-child(2),
            .feature-card:nth-child(3),
            .feature-card:nth-child(4),
            .feature-card:nth-child(5),
            .feature-card:nth-child(6) {
                grid-column: span 1;
                padding: 20px;
                margin-top: 0;
            }
        }

        @media (max-width: 767px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .feature-card {
                padding: 18px 16px;
                flex-direction: row;
                align-items: flex-start;
                gap: 12px;
            }
            .feature-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
                flex-shrink: 0;
            }
            .feature-name {
                font-size: 15px;
            }
            .feature-desc {
                font-size: 13px;
            }
        }

        /* Scenarios Section */
        .scenarios-section {
            background: var(--color-bg-warm);
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .scenario-cover {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: 0;
        }

        .scenario-body {
            padding: 18px 16px;
        }

        .scenario-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .scenario-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .tag {
            display: inline-block;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: 50px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            letter-spacing: 0.3px;
        }

        @media (max-width: 1023px) {
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Deep Content Sections */
        .deep-content-section {
            background: var(--color-bg);
        }

        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .deep-content-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            line-height: 1.45;
        }

        .deep-content-text p {
            font-size: 16px;
            line-height: 1.95;
            color: var(--color-text-secondary);
            margin-bottom: 18px;
        }

        .deep-content-text p:last-child {
            margin-bottom: 0;
        }

        .deep-content-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            aspect-ratio: 4/3;
        }

        .deep-content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        .deep-quote-block {
            background: var(--color-dark);
            border-left: 4px solid var(--color-primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            color: #E8E2DA;
            font-size: 15px;
            line-height: 1.85;
        }

        .deep-quote-block strong {
            color: var(--color-primary);
        }

        @media (max-width: 1023px) {
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .deep-content-image {
                order: -1;
            }
        }

        @media (max-width: 767px) {
            .deep-content-text h3 {
                font-size: 18px;
            }
            .deep-content-text p {
                font-size: 15px;
                line-height: 1.85;
            }
            .deep-quote-block {
                padding: 14px 16px;
                font-size: 13px;
            }
        }

        /* Cases Section */
        .cases-section {
            background: var(--color-dark);
            padding: var(--section-gap-desktop) 0;
        }

        .cases-section .section-title {
            color: #fff;
        }
        .cases-section .section-desc {
            color: #B8B0AA;
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .case-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--color-primary);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0,0,0,0.3);
        }

        .case-cover {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 0;
        }

        .case-body {
            padding: 20px 18px;
        }

        .case-name {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .case-metric {
            display: flex;
            gap: 20px;
            margin-top: 12px;
            flex-wrap: wrap;
        }

        .case-metric-item {
            display: flex;
            flex-direction: column;
        }

        .case-metric-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
        }

        .case-metric-label {
            font-size: 11px;
            color: #B8B0AA;
            letter-spacing: 0.5px;
        }

        @media (max-width: 1023px) {
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .case-metric-value {
                font-size: 20px;
            }
        }

        /* Brand Introduction */
        .brand-intro-section {
            background: var(--color-bg-warm);
        }

        .brand-intro-block {
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 56px 64px;
            color: #F5F0EB;
            position: relative;
            overflow: hidden;
        }

        .brand-intro-block::before {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 3px solid rgba(255,106,0,0.2);
            top: -60px;
            right: -40px;
        }

        .brand-intro-block::after {
            content: '';
            position: absolute;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 2px solid rgba(0,166,166,0.2);
            bottom: -30px;
            left: -20px;
        }

        .brand-intro-title {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .brand-intro-text {
            font-size: 16px;
            line-height: 2.0;
            color: #D8D4D0;
            position: relative;
            z-index: 1;
            max-width: 760px;
        }

        .brand-intro-text strong {
            color: var(--color-primary);
            font-weight: 700;
        }

        @media (max-width: 767px) {
            .brand-intro-block {
                padding: 32px 20px;
            }
            .brand-intro-title {
                font-size: 22px;
            }
            .brand-intro-text {
                font-size: 14px;
                line-height: 1.9;
            }
        }

        /* News Section */
        .news-section {
            background: var(--color-bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary);
        }

        .news-date {
            font-size: 12px;
            color: var(--color-text-secondary);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.45;
        }

        .news-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .news-read-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
            background: transparent;
            transition: all var(--transition-fast);
            width: fit-content;
        }

        .news-read-btn:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-hover);
        }

        @media (max-width: 767px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card {
                padding: 18px 16px;
            }
            .news-summary {
                font-size: 13px;
            }
        }

        /* Pricing Section */
        .pricing-section {
            background: var(--color-bg-warm);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .price-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .price-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .price-card.featured {
            border: 2px solid var(--color-primary);
            background: #fff;
            position: relative;
        }

        .price-card.featured::before {
            content: '热门选择';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .price-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
        }

        .price-value {
            font-size: 40px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .price-value span {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-secondary);
        }

        .price-features {
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .price-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .price-feature-item::before {
            content: '✓';
            color: var(--color-success);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .price-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition-fast);
            width: 100%;
        }

        .price-btn.btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .price-btn.btn-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
        }
        .price-btn.btn-secondary {
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text);
        }
        .price-btn.btn-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        @media (max-width: 1023px) {
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .price-card {
                padding: 24px 18px;
            }
            .price-value {
                font-size: 32px;
            }
        }

        /* Timeline Section */
        .timeline-section {
            background: var(--color-bg);
        }

        .timeline-wrap {
            position: relative;
            max-width: 700px;
            margin: 0 auto;
        }

        .timeline-line {
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
        }

        .timeline-item {
            position: relative;
            padding-left: 56px;
            margin-bottom: 32px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 12px;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 3px solid var(--color-bg);
            box-shadow: 0 0 0 2px var(--color-primary);
        }

        .timeline-date {
            font-size: 12px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 1px;
            margin-bottom: 6px;
        }

        .timeline-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .timeline-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 767px) {
            .timeline-item {
                padding-left: 44px;
            }
            .timeline-dot {
                left: 8px;
                width: 14px;
                height: 14px;
            }
        }

        /* Entry Matrix */
        .entry-matrix-section {
            background: var(--color-dark);
            padding: var(--section-gap-desktop) 0;
        }

        .entry-matrix-section .section-title {
            color: #fff;
        }
        .entry-matrix-section .section-desc {
            color: #B8B0AA;
        }

        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .entry-item {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .entry-item:hover {
            background: rgba(255,106,0,0.15);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }

        .entry-icon {
            font-size: 28px;
            line-height: 1;
        }

        .entry-name {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
        }

        .entry-desc {
            font-size: 11px;
            color: #B8B0AA;
        }

        @media (max-width: 1023px) {
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .entry-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Platform Guarantee */
        .guarantee-section {
            background: var(--color-bg-warm);
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .guarantee-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .guarantee-icon {
            font-size: 32px;
            line-height: 1;
            margin-bottom: 12px;
        }

        .guarantee-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .guarantee-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 1023px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-item {
                padding: 18px;
            }
        }

        /* FAQ Section */
        .faq-section {
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            text-align: left;
            transition: all var(--transition-fast);
            min-height: 44px;
            cursor: pointer;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            transition: all var(--transition-base);
            line-height: 1;
        }

        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        @media (max-width: 767px) {
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 13px;
            }
        }

        /* CTA Banner */
        .cta-banner-section {
            background: var(--color-bg);
            padding: 0;
        }

        .cta-banner {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
            border-radius: var(--radius-xl);
            padding: 56px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            top: -40px;
            left: -40px;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            bottom: -60px;
            right: -30px;
        }

        .cta-banner-text {
            position: relative;
            z-index: 1;
        }

        .cta-banner-title {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }

        .cta-banner-desc {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
        }

        .cta-banner-buttons {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn {
            padding: 14px 28px;
        }

        .btn-light {
            background: #fff;
            color: var(--color-primary);
        }
        .btn-light:hover {
            background: #FFF1E6;
            color: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255,255,255,0.6);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 1023px) {
            .cta-banner {
                flex-direction: column;
                text-align: center;
                padding: 40px 32px;
            }
            .cta-banner-buttons {
                justify-content: center;
            }
        }

        @media (max-width: 767px) {
            .cta-banner {
                padding: 32px 20px;
                border-radius: var(--radius-md);
            }
            .cta-banner-title {
                font-size: 24px;
            }
            .cta-banner-desc {
                font-size: 13px;
            }
            .cta-banner-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-banner .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* Footer */
        .site-footer {
            background: #1E1B1A;
            color: #B8B0AA;
            padding: 64px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .nav-brand-text {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
        }

        .footer-brand-desc {
            font-size: 13px;
            color: #B8B0AA;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #B8B0AA;
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 12px;
        }

        .footer-copyright {
            color: #B8B0AA;
        }

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-beian a {
            color: #B8B0AA;
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-beian a:hover {
            color: var(--color-primary);
        }

        .footer-sitemap-links {
            display: flex;
            gap: 16px;
        }

        .footer-sitemap-links a {
            color: #B8B0AA;
            font-size: 12px;
        }

        .footer-sitemap-links a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }

        /* Section separation variations */
        .section-alt-bg {
            background: var(--color-bg-warm);
        }
        .section-dark-bg {
            background: var(--color-dark);
        }

        /* Responsive image helpers */
        .ratio-16-9 {
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .ratio-4-3 {
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .ratio-1-1 {
            aspect-ratio: 1/1;
            object-fit: cover;
        }
        .rounded-lg {
            border-radius: var(--radius-lg);
        }
        .rounded-xl {
            border-radius: var(--radius-xl);
        }
        .rounded-md {
            border-radius: var(--radius-md);
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #FF6A00;
            --color-primary-hover: #E55D00;
            --color-primary-soft: #FFF1E6;
            --color-dark: #221F1E;
            --color-dark-soft: #2D2A28;
            --color-text: #2D2A28;
            --color-text-secondary: #6B6763;
            --color-text-light: #B8B0AA;
            --color-bg: #FCFAF7;
            --color-bg-warm: #F7F4F0;
            --color-card: #FFFFFF;
            --color-border: #E8E2DA;
            --color-accent: #00A6A6;
            --color-heat: #E5484D;
            --color-success: #2F855A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 12px rgba(34, 31, 30, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(34, 31, 30, 0.08);
            --shadow-nav: 0 1px 10px rgba(34, 31, 30, 0.06);
            --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --container-max: 1200px;
            --section-gap-desktop: 72px;
            --section-gap-mobile: 48px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding-top: 16px;
            padding-bottom: 8px;
            background: var(--color-bg);
        }

        .nav-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-nav);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: var(--container-max);
            margin: 0 auto;
            transition: box-shadow var(--transition-base);
        }

        .nav-panel.scrolled {
            box-shadow: 0 4px 20px rgba(34, 31, 30, 0.1);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.5px;
            position: relative;
            overflow: hidden;
        }

        .nav-brand-icon::after {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: rgba(255, 255, 255, 0.25);
            border-radius: 50%;
            top: -4px;
            right: -4px;
        }

        .nav-brand-icon::before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            bottom: -8px;
            left: -6px;
        }

        .nav-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-brand-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-link-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid transparent;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link-card:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .nav-link-card.active {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-hamburger:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
        }

        .nav-mobile-panel {
            display: none;
            flex-direction: column;
            gap: 8px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 16px;
            margin-top: 8px;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }

        .nav-mobile-panel.open {
            display: flex;
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
        }

        @media (min-width: 1024px) {
            .nav-mobile-panel {
                display: none;
            }
        }

        /* Category Hero */
        .cat-hero {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            margin-top: 16px;
            border-radius: var(--radius-xl);
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(34, 31, 30, 0.88) 0%, rgba(34, 31, 30, 0.65) 50%, rgba(255, 106, 0, 0.45) 100%);
            border-radius: var(--radius-xl);
        }

        .cat-hero .container {
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .cat-hero-content {
            max-width: 680px;
            padding: 48px 0;
        }

        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 106, 0, 0.25);
            border: 1px solid rgba(255, 106, 0, 0.5);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: #FFB38A;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
        }

        .cat-hero h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 900;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cat-hero h1 span {
            color: var(--color-primary);
        }

        .cat-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 560px;
        }

        .cat-hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cat-hero-stats {
            display: flex;
            gap: 24px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .cat-hero-stat {
            display: flex;
            flex-direction: column;
        }

        .cat-hero-stat-value {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .cat-hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        @media (max-width: 768px) {
            .cat-hero {
                min-height: 45vh;
                margin-top: 8px;
                border-radius: var(--radius-lg);
            }
            .cat-hero::before {
                border-radius: var(--radius-lg);
            }
            .cat-hero-content {
                padding: 32px 0;
            }
            .cat-hero h1 {
                font-size: 26px;
            }
            .cat-hero p {
                font-size: 15px;
            }
            .cat-hero-stats {
                gap: 16px;
                margin-top: 20px;
            }
            .cat-hero-stat-value {
                font-size: 20px;
            }
        }

        /* Filter Bar */
        .filter-bar {
            margin-top: 24px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }

        .filter-bar-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            flex-shrink: 0;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .filter-tag.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        .filter-sort {
            margin-left: auto;
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .filter-sort-btn {
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }

        .filter-sort-btn:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .filter-sort-btn.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        @media (max-width: 768px) {
            .filter-bar {
                padding: 12px 16px;
                gap: 8px;
            }
            .filter-sort {
                margin-left: 0;
                width: 100%;
                justify-content: flex-start;
            }
        }

        /* Content List */
        .content-list-section {
            margin-top: 32px;
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .content-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .content-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .content-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-base);
        }

        .content-card:hover .content-card-image img {
            transform: scale(1.04);
        }

        .content-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(34, 31, 30, 0.75);
            color: #fff;
            backdrop-filter: blur(4px);
            letter-spacing: 0.3px;
        }

        .content-card-badge.hot {
            background: rgba(229, 72, 77, 0.85);
        }

        .content-card-badge.live {
            background: rgba(255, 106, 0, 0.88);
        }

        .content-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-bottom: 8px;
        }

        .content-card-meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-border);
        }

        .content-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.45;
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .content-card-excerpt {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            flex: 1;
            margin-bottom: 14px;
        }

        .content-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .content-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }

        .content-card-link:hover {
            color: var(--color-primary-hover);
        }

        .content-card-link::after {
            content: '→';
            transition: transform var(--transition-fast);
        }

        .content-card-link:hover::after {
            transform: translateX(3px);
        }

        .content-card-viewers {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
        }

        .content-card-viewers::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-heat);
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .content-card-body {
                padding: 14px 16px 16px;
            }
        }

        @media (min-width: 769px) and (max-width: 1023px) {
            .content-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
        }

        /* Deep Content Area */
        .deep-content {
            margin-top: 56px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-card);
        }

        .deep-content-header {
            margin-bottom: 24px;
        }

        .deep-content-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--color-primary-soft);
            border: 1px solid var(--color-primary);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .deep-content h2 {
            font-size: clamp(20px, 2.5vw, 28px);
            font-weight: 800;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .deep-content-body {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .deep-content-text h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-top: 20px;
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .deep-content-text h3:first-of-type {
            margin-top: 0;
        }

        .deep-content-text p {
            font-size: 15px;
            line-height: 2.0;
            color: var(--color-text-secondary);
            margin-bottom: 14px;
        }

        .deep-content-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
        }

        .deep-content-quote {
            margin-top: 20px;
            padding: 20px 24px;
            background: var(--color-bg-warm);
            border-left: 4px solid var(--color-primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            font-style: normal;
        }

        .deep-content-quote strong {
            color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .deep-content {
                padding: 20px 16px;
                border-radius: var(--radius-lg);
            }
            .deep-content-body {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .deep-content h2 {
                font-size: 20px;
            }
            .deep-content-text p {
                font-size: 14px;
                line-height: 1.9;
            }
        }

        /* FAQ */
        .faq-section {
            margin-top: 48px;
        }

        .faq-section h2 {
            font-size: clamp(20px, 2.5vw, 26px);
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: -0.3px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-primary);
        }

        .faq-item.open {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-bg-warm);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-secondary);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .faq-item.open .faq-icon {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-secondary);
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* CTA Section */
        .cta-section {
            margin-top: 56px;
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 106, 0, 0.2);
            top: -100px;
            right: -60px;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 2px solid rgba(255, 106, 0, 0.3);
            bottom: -60px;
            left: -40px;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 900;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 520px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }

        .cta-section .nav-cta {
            position: relative;
            z-index: 1;
            font-size: 16px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section p {
                font-size: 14px;
            }
        }

        /* Footer */
        .site-footer {
            margin-top: 64px;
            background: #1E1B1A;
            padding: 48px 0 24px;
            color: #B8B0AA;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #8D8580;
            margin-top: 12px;
            max-width: 340px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: #8D8580;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-copyright {
            font-size: 13px;
            color: #6B6763;
        }

        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-beian span {
            font-size: 12px;
            color: #6B6763;
        }

        .footer-sitemap-links {
            display: flex;
            gap: 12px;
        }

        .footer-sitemap-links a {
            font-size: 12px;
            color: #6B6763;
            transition: color var(--transition-fast);
        }

        .footer-sitemap-links a:hover {
            color: var(--color-primary);
        }

        .footer-brand .nav-brand-text {
            color: #fff;
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 32px 0 20px;
                margin-top: 48px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-beian {
                flex-direction: column;
                gap: 4px;
            }
        }

        /* Section Titles */
        .section-title {
            font-size: clamp(20px, 2.5vw, 26px);
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.3px;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-top: 8px;
        }

/* roulang page: category3 */
:root {
 --color-primary: #FF6A00;
 --color-primary-hover: #E55D00;
 --color-primary-soft: #FFF1E6;
 --color-dark: #221F1E;
 --color-dark-soft: #2D2A28;
 --color-text: #2D2A28;
 --color-text-secondary: #6B6763;
 --color-text-light: #B8B0AA;
 --color-bg: #FCFAF7;
 --color-bg-warm: #F7F4F0;
 --color-card: #FFFFFF;
 --color-border: #E8E2DA;
 --color-accent: #00A6A6;
 --color-heat: #E5484D;
 --color-success: #2F855A;
 --radius-lg: 16px;
 --radius-md: 12px;
 --radius-sm: 8px;
 --radius-xl: 20px;
 --shadow-card: 0 2px 12px rgba(34,31,30,0.04);
 --shadow-card-hover: 0 8px 24px rgba(34,31,30,0.08);
 --shadow-nav: 0 1px 10px rgba(34,31,30,0.06);
 --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
 --container-max: 1200px;
 --section-gap-desktop: 88px;
 --section-gap-mobile: 56px;
 --transition-fast: 0.2s ease;
 --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
 }

html {
 scroll-behavior: smooth;
 -webkit-text-size-adjust: 100%;
 }

body {
 font-family: var(--font-family);
 font-size: 16px;
 line-height: 1.8;
 color: var(--color-text);
 background-color: var(--color-bg);
 min-height: 100vh;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
 margin: 0;
 }

img {
 max-width: 100%;
 height: auto;
 display: block;
 border-radius: var(--radius-md);
 }

a {
 color: var(--color-primary);
 text-decoration: none;
 transition: color var(--transition-fast), transform var(--transition-fast);
 }
a:hover {
 color: var(--color-primary-hover);
 }

button {
 font-family: inherit;
 cursor: pointer;
 border: none;
 background: none;
 font-size: inherit;
 }

input,
select,
textarea {
 font-family: inherit;
 font-size: inherit;
 color: inherit;
 }

.container {
 max-width: var(--container-max);
 margin: 0 auto;
 padding-left: 24px;
 padding-right: 24px;
 }

/* Header / Navigation */
.site-header {
 position: sticky;
 top: 0;
 z-index: 100;
 padding-top: 16px;
 background: var(--color-bg);
 }

.nav-panel {
 background: var(--color-card);
 border: 1px solid var(--color-border);
 border-radius: var(--radius-xl);
 box-shadow: var(--shadow-nav);
 padding: 8px 16px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 max-width: var(--container-max);
 margin: 0 auto;
 transition: box-shadow var(--transition-base);
 }

.nav-panel.scrolled {
 box-shadow: 0 4px 20px rgba(34,31,30,0.1);
 }

.nav-brand {
 display: flex;
 align-items: center;
 gap: 10px;
 flex-shrink: 0;
 }

.nav-brand-icon {
 width: 36px;
 height: 36px;
 background: var(--color-primary);
 border-radius: 10px;
 display: flex;
 align-items: center;
 justify-content: center;
 color: #fff;
 font-size: 20px;
 font-weight: 700;
 line-height: 1;
 letter-spacing: -0.5px;
 position: relative;
 overflow: hidden;
 }

.nav-brand-icon::after {
 content: '';
 position: absolute;
 width: 14px;
 height: 14px;
 background: rgba(255,255,255,0.25);
 border-radius: 50%;
 top: -4px;
 right: -4px;
 }

.nav-brand-icon::before {
 content: '';
 position: absolute;
 width: 20px;
 height: 20px;
 border: 2px solid rgba(255,255,255,0.4);
 border-radius: 50%;
 bottom: -8px;
 left: -6px;
 }

.nav-brand-text {
 font-size: 20px;
 font-weight: 800;
 color: var(--color-text);
 letter-spacing: -0.3px;
 white-space: nowrap;
 }

.nav-brand-text span {
 color: var(--color-primary);
 }

.nav-links {
 display: flex;
 align-items: center;
 gap: 6px;
 flex: 1;
 justify-content: center;
 flex-wrap: wrap;
 }

.nav-link-card {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 padding: 8px 12px;
 border-radius: var(--radius-sm);
 background: var(--color-bg);
 border: 1px solid transparent;
 font-size: 13px;
 font-weight: 600;
 color: var(--color-text-secondary);
 transition: all var(--transition-fast);
 white-space: nowrap;
 }

.nav-link-card:hover {
 background: var(--color-primary-soft);
 border-color: var(--color-primary);
 color: var(--color-primary);
 transform: translateY(-1px);
 }

.nav-link-card.active {
 background: var(--color-primary-soft);
 border-color: var(--color-primary);
 color: var(--color-primary);
 }

.nav-cta {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 background: var(--color-primary);
 color: #fff;
 font-weight: 600;
 font-size: 13px;
 padding: 10px 16px;
 border-radius: var(--radius-sm);
 white-space: nowrap;
 transition: all var(--transition-fast);
 }

.nav-cta:hover {
 background: var(--color-primary-hover);
 color: #fff;
 transform: translateY(-1px);
 box-shadow: 0 4px 12px rgba(255,106,0,0.25);
 }

.nav-hamburger {
 display: none;
 flex-direction: column;
 gap: 4px;
 width: 36px;
 height: 36px;
 align-items: center;
 justify-content: center;
 border-radius: var(--radius-sm);
 background: var(--color-bg);
 border: 1px solid var(--color-border);
 }

.nav-hamburger span {
 width: 18px;
 height: 2px;
 background: var(--color-text);
 border-radius: 1px;
 transition: all var(--transition-fast);
 }

.nav-hamburger.active span:nth-child(1) {
 transform: translateY(6px) rotate(45deg);
 }
.nav-hamburger.active span:nth-child(2) {
 opacity: 0;
 }
.nav-hamburger.active span:nth-child(3) {
 transform: translateY(-6px) rotate(-45deg);
 }

.nav-mobile-panel {
 display: none;
 background: var(--color-card);
 border: 1px solid var(--color-border);
 border-radius: var(--radius-xl);
 box-shadow: var(--shadow-nav);
 padding: 12px;
 margin-top: 8px;
 flex-direction: column;
 gap: 6px;
 max-width: var(--container-max);
 margin-left: auto;
 margin-right: auto;
 }

.nav-mobile-panel.open {
 display: flex;
 }

.nav-mobile-panel .nav-link-card {
 width: 100%;
 padding: 12px 14px;
 font-size: 14px;
 }

.nav-mobile-panel .nav-cta {
 width: 100%;
 justify-content: center;
 margin-top: 6px;
 }

/* Hero */
.category-hero {
 position: relative;
 min-height: 56vh;
 display: flex;
 align-items: center;
 background: var(--color-dark);
 overflow: hidden;
 border-radius: 0 0 var(--radius-xl) var(--radius-xl);
 }

.category-hero-bg {
 position: absolute;
 inset: 0;
 background-image: url('/assets/images/backpic/back-3.webp');
 background-size: cover;
 background-position: center;
 opacity: 0.35;
 }

.category-hero-overlay {
 position: absolute;
 inset: 0;
 background: linear-gradient(135deg, rgba(34,31,30,0.92) 0%, rgba(34,31,30,0.75) 50%, rgba(255,106,0,0.35) 100%);
 }

.category-hero .container {
 position: relative;
 z-index: 1;
 padding-top: 60px;
 padding-bottom: 60px;
 }

.category-hero-badge {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 background: rgba(255,106,0,0.18);
 color: #FFB37A;
 border: 1px solid rgba(255,106,0,0.35);
 font-size: 12px;
 font-weight: 600;
 padding: 6px 12px;
 border-radius: 999px;
 margin-bottom: 16px;
 }

.category-hero h1 {
 color: #fff;
 font-size: 38px;
 font-weight: 800;
 line-height: 1.3;
 margin: 0 0 16px;
 letter-spacing: -0.5px;
 }

.category-hero h1 span {
 color: var(--color-primary);
 }

.category-hero-desc {
 color: #E8E2DA;
 font-size: 17px;
 line-height: 1.8;
 max-width: 640px;
 margin: 0;
 }

.hero-stats {
 display: flex;
 gap: 40px;
 flex-wrap: wrap;
 margin-top: 28px;
 }

.hero-stat-item {
 display: flex;
 flex-direction: column;
 }

.hero-stat-value {
 color: #fff;
 font-size: 30px;
 font-weight: 700;
 letter-spacing: -0.5px;
 }

.hero-stat-value span {
 color: var(--color-primary);
 }

.hero-stat-label {
 color: var(--color-text-light);
 font-size: 13px;
 margin-top: 2px;
 }

/* Filter bar */
.filter-bar {
 display: flex;
 align-items: center;
 flex-wrap: wrap;
 gap: 10px;
 background: var(--color-card);
 border: 1px solid var(--color-border);
 border-radius: var(--radius-lg);
 padding: 14px 18px;
 box-shadow: var(--shadow-card);
 margin-top: -28px;
 position: relative;
 z-index: 5;
 }

.filter-label {
 font-size: 13px;
 font-weight: 600;
 color: var(--color-text-secondary);
 white-space: nowrap;
 }

.filter-tag {
 display: inline-flex;
 align-items: center;
 gap: 4px;
 padding: 6px 14px;
 border-radius: 999px;
 font-size: 13px;
 font-weight: 500;
 background: var(--color-bg);
 border: 1px solid var(--color-border);
 color: var(--color-text-secondary);
 transition: all var(--transition-fast);
 white-space: nowrap;
 }

.filter-tag:hover {
 border-color: var(--color-primary);
 color: var(--color-primary);
 background: var(--color-primary-soft);
 }

.filter-tag.active {
 background: var(--color-primary);
 border-color: var(--color-primary);
 color: #fff;
 }

.filter-sort {
 margin-left: auto;
 display: flex;
 gap: 6px;
 align-items: center;
 }

.filter-sort-btn {
 padding: 6px 12px;
 border-radius: var(--radius-sm);
 font-size: 13px;
 font-weight: 500;
 color: var(--color-text-secondary);
 background: transparent;
 transition: all var(--transition-fast);
 }

.filter-sort-btn:hover {
 background: var(--color-bg-warm);
 color: var(--color-text);
 }

.filter-sort-btn.active {
 background: var(--color-primary-soft);
 color: var(--color-primary);
 font-weight: 600;
 }

/* Content cards */
.content-list-section {
 padding-top: 48px;
 padding-bottom: var(--section-gap-desktop);
 }

.content-list-grid {
 display: grid;
 grid-template-columns: repeat(2, 1fr);
 gap: 20px;
 }

.content-card {
 display: flex;
 flex-direction: column;
 background: var(--color-card);
 border: 1px solid var(--color-border);
 border-radius: var(--radius-lg);
 overflow: hidden;
 box-shadow: var(--shadow-card);
 transition: all var(--transition-base);
 }

.content-card:hover {
 box-shadow: var(--shadow-card-hover);
 transform: translateY(-4px);
 border-color: rgba(255,106,0,0.3);
 }

.content-card-image {
 position: relative;
 aspect-ratio: 16/9;
 overflow: hidden;
 }

.content-card-image img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 transition: transform var(--transition-base);
 }

.content-card:hover .content-card-image img {
 transform: scale(1.04);
 }

.content-card-heat {
 position: absolute;
 top: 12px;
 right: 12px;
 display: inline-flex;
 align-items: center;
 gap: 4px;
 background: rgba(34,31,30,0.8);
 color: #FF8A3D;
 font-size: 12px;
 font-weight: 600;
 padding: 4px 10px;
 border-radius: 999px;
 backdrop-filter: blur(6px);
 }

.content-card-body {
 padding: 18px 20px 20px;
 display: flex;
 flex-direction: column;
 flex: 1;
 }

.content-card-title {
 font-size: 17px;
 font-weight: 700;
 color: var(--color-text);
 margin: 0 0 8px;
 line-height: 1.4;
 }

.content-card-text {
 font-size: 14px;
 color: var(--color-text-secondary);
 line-height: 1.7;
 margin: 0 0 16px;
 flex: 1;
 }

.content-card-meta {
 display: flex;
 align-items: center;
 gap: 8px;
 font-size: 12px;
 color: var(--color-text-light);
 }

.content-card-dot {
 width: 4px;
 height: 4px;
 background: var(--color-text-light);
 border-radius: 50%;
 }

.content-card-btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 4px;
 background: var(--color-primary-soft);
 color: var(--color-primary);
 font-size: 13px;
 font-weight: 600;
 padding: 8px 16px;
 border-radius: var(--radius-sm);
 transition: all var(--transition-fast);
 margin-top: 14px;
 align-self: flex-start;
 }

.content-card-btn:hover {
 background: var(--color-primary);
 color: #fff;
 }

/* Deep content */
.deep-content-section {
 padding-top: var(--section-gap-desktop);
 padding-bottom: var(--section-gap-desktop);
 background: var(--color-bg-warm);
 border-radius: var(--radius-xl) var(--radius-xl) 0 0;
 }

.deep-content-wrapper {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 48px;
 align-items: start;
 }

.deep-content-text h2 {
 font-size: 26px;
 font-weight: 800;
 line-height: 1.4;
 margin: 0 0 16px;
 color: var(--color-text);
 }

.deep-content-text h3 {
 font-size: 18px;
 font-weight: 700;
 margin: 24px 0 8px;
 color: var(--color-text);
 }

.deep-content-text p {
 font-size: 15px;
 line-height: 1.9;
 color: var(--color-text-secondary);
 margin: 0 0 16px;
 }

.deep-content-image {
 position: relative;
 border-radius: var(--radius-lg);
 overflow: hidden;
 box-shadow: var(--shadow-card-hover);
 }

.deep-content-image img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 aspect-ratio: 4/3;
 }

.deep-content-image::after {
 content: '';
 position: absolute;
 inset: 0;
 background: linear-gradient(to top, rgba(34,31,30,0.5), transparent 40%);
 border-radius: var(--radius-lg);
 }

/* Trending */
.trending-section {
 padding-top: var(--section-gap-desktop);
 padding-bottom: var(--section-gap-desktop);
 }

.trending-grid {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 16px;
 }

.trending-card {
 background: var(--color-card);
 border: 1px solid var(--color-border);
 border-radius: var(--radius-md);
 padding: 16px;
 display: flex;
 align-items: center;
 gap: 12px;
 transition: all var(--transition-fast);
 }

.trending-card:hover {
 box-shadow: var(--shadow-card-hover);
 transform: translateY(-2px);
 border-color: rgba(255,106,0,0.25);
 }

.trending-rank {
 width: 28px;
 height: 28px;
 background: var(--color-bg);
 border-radius: 50%;
 display: flex;
 align-items: center;
 justify-content: center;
 font-size: 13px;
 font-weight: 700;
 color: var(--color-text-secondary);
 flex-shrink: 0;
 }

.trending-rank.top1 {
 background: var(--color-primary);
 color: #fff;
 }
.trending-rank.top2 {
 background: #FF9D5C;
 color: #fff;
 }
.trending-rank.top3 {
 background: #FFB88A;
 color: #fff;
 }

.trending-info {
 min-width: 0;
 }

.trending-name {
 font-size: 13px;
 font-weight: 700;
 color: var(--color-text);
 white-space: nowrap;
 overflow: hidden;
 text-overflow: ellipsis;
 margin: 0 0 2px;
 }

.trending-heat {
 font-size: 11px;
 color: var(--color-text-light);
 white-space: nowrap;
 }

/* FAQ */
.faq-section {
 padding-top: var(--section-gap-desktop);
 padding-bottom: var(--section-gap-desktop);
 background: var(--color-bg-warm);
 border-radius: 0 0 var(--radius-xl) var(--radius-xl);
 }

.faq-list {
 display: flex;
 flex-direction: column;
 gap: 12px;
 }

.faq-item {
 background: var(--color-card);
 border: 1px solid var(--color-border);
 border-radius: var(--radius-md);
 overflow: hidden;
 transition: all var(--transition-fast);
 }

.faq-item:hover {
 border-color: rgba(255,106,0,0.25);
 }

.faq-item.open {
 border-color: var(--color-primary);
 box-shadow: var(--shadow-card-hover);
 }

.faq-question {
 width: 100%;
 display: flex;
 align-items: center;
 justify-content: space-between;
 padding: 16px 20px;
 font-size: 15px;
 font-weight: 600;
 color: var(--color-text);
 text-align: left;
 transition: color var(--transition-fast);
 }

.faq-question:hover {
 color: var(--color-primary);
 }

.faq-icon {
 width: 24px;
 height: 24px;
 flex-shrink: 0;
 position: relative;
 }

.faq-icon::before,
.faq-icon::after {
 content: '';
 position: absolute;
 background: var(--color-primary);
 border-radius: 2px;
 transition: all var(--transition-fast);
 }

.faq-icon::before {
 width: 2px;
 height: 14px;
 top: 5px;
 left: 11px;
 }

.faq-icon::after {
 width: 14px;
 height: 2px;
 top: 11px;
 left: 5px;
 }

.faq-item.open .faq-icon::before {
 transform: rotate(90deg);
 opacity: 0;
 }

.faq-answer {
 max-height: 0;
 overflow: hidden;
 transition: max-height var(--transition-base);
 }

.faq-answer-inner {
 padding: 0 20px 18px;
 font-size: 14px;
 color: var(--color-text-secondary);
 line-height: 1.8;
 }

.faq-item.open .faq-answer {
 max-height: 240px;
 }

/* CTA */
.cta-section {
 padding-top: var(--section-gap-desktop);
 padding-bottom: var(--section-gap-desktop);
 }

.cta-panel {
 background: linear-gradient(135deg, var(--color-dark) 0%, #3A2A1E 100%);
 border-radius: var(--radius-xl);
 padding: 48px 40px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 flex-wrap: wrap;
 gap: 24px;
 position: relative;
 overflow: hidden;
 }

.cta-panel::before {
 content: '';
 position: absolute;
 width: 200px;
 height: 200px;
 border: 2px solid rgba(255,106,0,0.3);
 border-radius: 50%;
 top: -100px;
 right: -80px;
 }

.cta-panel::after {
 content: '';
 position: absolute;
 width: 120px;
 height: 120px;
 border: 2px solid rgba(0,166,166,0.25);
 border-radius: 50%;
 bottom: -60px;
 left: 10%;
 }

.cta-panel-content {
 position: relative;
 z-index: 1;
 }

.cta-panel h2 {
 color: #fff;
 font-size: 24px;
 font-weight: 800;
 margin: 0 0 8px;
 letter-spacing: -0.3px;
 }

.cta-panel p {
 color: #B8B0AA;
 font-size: 15px;
 margin: 0;
 max-width: 500px;
 }

.cta-panel-btn {
 position: relative;
 z-index: 1;
 display: inline-flex;
 align-items: center;
 gap: 6px;
 background: var(--color-primary);
 color: #fff;
 font-weight: 600;
 font-size: 15px;
 padding: 14px 28px;
 border-radius: var(--radius-sm);
 transition: all var(--transition-fast);
 white-space: nowrap;
 }

.cta-panel-btn:hover {
 background: var(--color-primary-hover);
 color: #fff;
 transform: translateY(-2px);
 box-shadow: 0 8px 20px rgba(255,106,0,0.3);
 }

.cta-panel-btn.secondary {
 background: transparent;
 border: 1px solid rgba(255,255,255,0.4);
 color: #fff;
 }

.cta-panel-btn.secondary:hover {
 background: rgba(255,255,255,0.1);
 border-color: #fff;
 }

/* Section heading */
.section-heading {
 margin-bottom: 28px;
 }

.section-heading h2 {
 font-size: 24px;
 font-weight: 800;
 margin: 0 0 6px;
 color: var(--color-text);
 letter-spacing: -0.3px;
 }

.section-heading p {
 font-size: 15px;
 color: var(--color-text-secondary);
 margin: 0;
 }

/* Footer */
.site-footer {
 background: var(--color-dark);
 padding: 48px 0 24px;
 margin-top: 0;
 border-radius: var(--radius-xl) var(--radius-xl) 0 0;
 }

.footer-grid {
 display: grid;
 grid-template-columns: 2fr 1fr 1fr 1fr;
 gap: 32px;
 margin-bottom: 32px;
 }

.footer-brand .nav-brand-text {
 color: #fff;
 }

.footer-brand-desc {
 color: var(--color-text-light);
 font-size: 13px;
 line-height: 1.8;
 margin-top: 12px;
 max-width: 300px;
 }

.footer-col-title {
 color: #fff;
 font-size: 14px;
 font-weight: 600;
 margin: 0 0 12px;
 }

.footer-links {
 display: flex;
 flex-direction: column;
 gap: 8px;
 }

.footer-links a {
 color: var(--color-text-light);
 font-size: 13px;
 transition: color var(--transition-fast);
 }

.footer-links a:hover {
 color: var(--color-primary);
 }

.footer-bottom {
 display: flex;
 flex-wrap: wrap;
 align-items: center;
 gap: 12px 24px;
 padding-top: 20px;
 border-top: 1px solid rgba(255,255,255,0.08);
 }

.footer-copyright {
 color: var(--color-text-light);
 font-size: 12px;
 }

.footer-beian {
 display: flex;
 gap: 16px;
 flex-wrap: wrap;
 }

.footer-beian span {
 color: var(--color-text-light);
 font-size: 12px;
 }

.footer-sitemap-links {
 margin-left: auto;
 display: flex;
 gap: 16px;
 }

.footer-sitemap-links a {
 color: var(--color-text-light);
 font-size: 12px;
 }

.footer-sitemap-links a:hover {
 color: var(--color-primary);
 }

/* Responsive */
@media (max-width: 1024px) {
 .trending-grid {
 grid-template-columns: repeat(2, 1fr);
 }
 .content-list-grid {
 grid-template-columns: 1fr 1fr;
 gap: 16px;
 }
 .deep-content-wrapper {
 grid-template-columns: 1fr;
 gap: 24px;
 }
 .footer-grid {
 grid-template-columns: 1fr 1fr;
 }
 }

@media (max-width: 768px) {
 .nav-links {
 display: none;
 }
 .nav-cta-desktop {
 display: none;
 }
 .nav-hamburger {
 display: flex;
 }
 .category-hero {
 min-height: 44vh;
 border-radius: 0 0 var(--radius-lg) var(--radius-lg);
 }
 .category-hero h1 {
 font-size: 26px;
 }
 .category-hero-desc {
 font-size: 15px;
 }
 .hero-stats {
 gap: 20px;
 }
 .hero-stat-value {
 font-size: 22px;
 }
 .content-list-grid {
 grid-template-columns: 1fr;
 }
 .trending-grid {
 grid-template-columns: 1fr 1fr;
 gap: 10px;
 }
 .cta-panel {
 padding: 32px 20px;
 flex-direction: column;
 align-items: flex-start;
 }
 .cta-panel-btn {
 width: 100%;
 justify-content: center;
 }
 .footer-grid {
 grid-template-columns: 1fr;
 gap: 24px;
 }
 .footer-bottom {
 flex-direction: column;
 align-items: flex-start;
 gap: 8px;
 }
 .footer-sitemap-links {
 margin-left: 0;
 }
 .filter-bar {
 flex-direction: column;
 align-items: flex-start;
 }
 .filter-sort {
 margin-left: 0;
 }
 .deep-content-section {
 padding-top: 48px;
 padding-bottom: 48px;
 }
 .trending-section,
 .cta-section,
 .faq-section {
 padding-top: 48px;
 padding-bottom: 48px;
 }
 }

@media (max-width: 520px) {
 .container {
 padding-left: 12px;
 padding-right: 12px;
 }
 .nav-panel {
 padding: 6px 10px;
 }
 .nav-brand-text {
 font-size: 17px;
 }
 .category-hero h1 {
 font-size: 22px;
 }
 .hero-stats {
 gap: 14px;
 flex-direction: column;
 }
 .trending-grid {
 grid-template-columns: 1fr;
 }
 .content-card-title {
 font-size: 15px;
 }
 .content-card-text {
 font-size: 13px;
 }
 .section-heading h2 {
 font-size: 20px;
 }
 .deep-content-text h2 {
 font-size: 22px;
 }
 }

/* roulang page: category2 */
:root {
            --color-primary: #FF6A00;
            --color-primary-hover: #E55D00;
            --color-primary-soft: #FFF1E6;
            --color-dark: #221F1E;
            --color-dark-soft: #2D2A28;
            --color-text: #2D2A28;
            --color-text-secondary: #6B6763;
            --color-text-light: #B8B0AA;
            --color-bg: #FCFAF7;
            --color-bg-warm: #F7F4F0;
            --color-card: #FFFFFF;
            --color-border: #E8E2DA;
            --color-accent: #00A6A6;
            --color-heat: #E5484D;
            --color-success: #2F855A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 12px rgba(34, 31, 30, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(34, 31, 30, 0.08);
            --shadow-nav: 0 1px 10px rgba(34, 31, 30, 0.06);
            --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --container-max: 1200px;
            --section-gap-desktop: 88px;
            --section-gap-mobile: 56px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding-top: 16px;
            padding-bottom: 0;
            background: var(--color-bg);
        }

        .nav-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-nav);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: var(--container-max);
            margin: 0 auto;
            transition: box-shadow var(--transition-base);
        }

        .nav-panel.scrolled {
            box-shadow: 0 4px 20px rgba(34, 31, 30, 0.1);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.5px;
            position: relative;
            overflow: hidden;
        }

        .nav-brand-icon::after {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: rgba(255, 255, 255, 0.25);
            border-radius: 50%;
            top: -4px;
            right: -4px;
        }

        .nav-brand-icon::before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            bottom: -8px;
            left: -6px;
        }

        .nav-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-brand-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-link-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid transparent;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link-card:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .nav-link-card.active {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            font-weight: 700;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
        }

        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-mobile-panel {
            display: none;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 16px;
            margin-top: 8px;
            flex-direction: column;
            gap: 8px;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }

        .nav-mobile-panel.open {
            display: flex;
        }

        /* Hero */
        .category-hero {
            min-height: 55vh;
            display: flex;
            align-items: center;
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-radius: 0;
            margin-top: 16px;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(34, 31, 30, 0.88) 0%, rgba(34, 31, 30, 0.72) 50%, rgba(255, 106, 0, 0.55) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            width: 100%;
        }

        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 6px 14px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            backdrop-filter: blur(8px);
            margin-bottom: 20px;
        }

        .category-hero-badge i {
            color: var(--color-primary);
            background: #fff;
            border-radius: 50%;
            padding: 3px;
            font-size: 10px;
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 900;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -0.5px;
            max-width: 820px;
            margin-bottom: 20px;
        }

        .category-hero h1 span {
            color: var(--color-primary);
            position: relative;
        }

        .category-hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-stat-value {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-value span {
            color: var(--color-primary);
            font-size: 16px;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition-fast);
            border: none;
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 106, 0, 0.35);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 14px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-fast);
            backdrop-filter: blur(8px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            color: #fff;
            transform: translateY(-1px);
        }

        /* Section */
        .section {
            padding: var(--section-gap-desktop) 0;
        }

        .section-alt {
            background: var(--color-bg-warm);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.4;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 480px;
        }

        /* Filter Bar */
        .filter-bar {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }

        .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .filter-tab:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .filter-tab.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .filter-sort {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .filter-sort-select {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: var(--color-bg);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }

        .filter-sort-select:hover {
            border-color: var(--color-primary);
        }

        /* Event Cards */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }

        .event-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-primary);
        }

        .event-card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

        .event-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .event-card:hover .event-card-image img {
            transform: scale(1.05);
        }

        .event-card-live {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-heat);
            color: #fff;
            padding: 4px 10px;
            border-radius: 100px;
            font-size: 11px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .event-card-live::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #fff;
            border-radius: 50%;
            animation: pulse 1.2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .event-card-hot {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(34, 31, 30, 0.75);
            color: #fff;
            padding: 4px 10px;
            border-radius: 100px;
            font-size: 11px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            backdrop-filter: blur(4px);
        }

        .event-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .event-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .event-tag {
            display: inline-block;
            padding: 3px 10px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border-radius: 100px;
            font-size: 11px;
            font-weight: 600;
        }

        .event-tag.alt {
            background: #E6F7F7;
            color: var(--color-accent);
        }

        .event-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .event-card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }

        .event-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .event-card-date {
            font-size: 12px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .event-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

        .event-card-link:hover {
            color: var(--color-primary-hover);
            gap: 8px;
        }

        /* Deep Content */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .deep-content.reverse {
            direction: rtl;
        }

        .deep-content.reverse>* {
            direction: ltr;
        }

        .deep-content-text h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 16px;
        }

        .deep-content-text h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            margin-top: 20px;
        }

        .deep-content-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 2;
            margin-bottom: 14px;
        }

        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .deep-content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        .deep-quote {
            background: var(--color-primary-soft);
            border-left: 4px solid var(--color-primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 16px 0;
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.8;
        }

        /* Stats Section */
        .stats-band {
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-block {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .stat-block-number {
            font-size: 40px;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .stat-block-label {
            font-size: 14px;
            color: var(--color-text-light);
        }

        /* Schedule Timeline */
        .schedule-timeline {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition-fast);
        }

        .schedule-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }

        .schedule-time {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            min-width: 60px;
        }

        .schedule-divider {
            width: 1px;
            height: 40px;
            background: var(--color-border);
            flex-shrink: 0;
        }

        .schedule-info {
            flex: 1;
        }

        .schedule-teams {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .schedule-league {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        .schedule-action {
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-primary);
        }

        .faq-item.open {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            transition: color var(--transition-fast);
            user-select: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 20px;
        }

        /* CTA */
        .cta-banner {
            background: linear-gradient(135deg, var(--color-dark) 0%, #3A2A1E 60%, var(--color-primary) 160%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border: 40px solid rgba(255, 106, 0, 0.12);
            border-radius: 50%;
            top: -120px;
            right: -80px;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border: 30px solid rgba(0, 166, 166, 0.1);
            border-radius: 50%;
            bottom: -80px;
            left: -40px;
        }

        .cta-banner-text {
            position: relative;
            z-index: 1;
        }

        .cta-banner-text h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-banner-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            line-height: 1.8;
        }

        .cta-banner-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark);
            padding: 60px 0 24px;
            margin-top: var(--section-gap-desktop);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .nav-brand-text {
            color: #fff;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-top: 14px;
            max-width: 360px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
        }

        .footer-copyright {
            font-size: 13px;
            color: var(--color-text-light);
        }

        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-text-light);
        }

        .footer-sitemap-links {
            display: flex;
            gap: 16px;
            font-size: 12px;
        }

        .footer-sitemap-links a {
            color: var(--color-text-light);
        }

        .footer-sitemap-links a:hover {
            color: var(--color-primary);
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                padding: 36px 28px;
            }

            .deep-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .deep-content.reverse {
                direction: ltr;
            }

            .event-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }

        @media (max-width: 767px) {
            body {
                font-size: 15px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding: var(--section-gap-mobile) 0;
            }

            .site-header {
                padding-top: 8px;
            }

            .nav-panel {
                padding: 6px 12px;
                border-radius: var(--radius-lg);
            }

            .nav-links {
                display: none;
            }

            .nav-cta-desktop {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .category-hero {
                min-height: 45vh;
                margin-top: 8px;
            }

            .category-hero-content {
                padding: 48px 0;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero-desc {
                font-size: 15px;
            }

            .hero-stats-row {
                gap: 16px;
            }

            .hero-stat-value {
                font-size: 22px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                margin-bottom: 24px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .filter-bar {
                padding: 12px 14px;
                flex-direction: column;
                align-items: flex-start;
            }

            .event-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .event-card-body {
                padding: 16px;
            }

            .stats-band {
                grid-template-columns: 1fr 1fr;
                padding: 28px 20px;
                gap: 20px;
            }

            .stat-block-number {
                font-size: 28px;
            }

            .schedule-item {
                padding: 12px 14px;
                gap: 12px;
                flex-wrap: wrap;
            }

            .schedule-divider {
                display: none;
            }

            .cta-banner {
                padding: 36px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .deep-content-text h3 {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }

            .hero-stats-row {
                gap: 12px;
            }

            .hero-stat-value {
                font-size: 18px;
            }

            .btn-primary,
            .btn-secondary {
                padding: 12px 20px;
                font-size: 14px;
            }

            .stats-band {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .event-card-image {
                aspect-ratio: 4 / 3;
            }
        }

        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

/* roulang page: category4 */
:root {
            --color-primary: #FF6A00;
            --color-primary-hover: #E55D00;
            --color-primary-soft: #FFF1E6;
            --color-dark: #221F1E;
            --color-dark-soft: #2D2A28;
            --color-text: #2D2A28;
            --color-text-secondary: #6B6763;
            --color-text-light: #B8B0AA;
            --color-bg: #FCFAF7;
            --color-bg-warm: #F7F4F0;
            --color-card: #FFFFFF;
            --color-border: #E8E2DA;
            --color-accent: #00A6A6;
            --color-heat: #E5484D;
            --color-success: #2F855A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 12px rgba(34, 31, 30, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(34, 31, 30, 0.08);
            --shadow-nav: 0 1px 10px rgba(34, 31, 30, 0.06);
            --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --container-max: 1200px;
            --section-gap-desktop: 88px;
            --section-gap-mobile: 56px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container {
            padding-left: 16px;
            padding-right: 16px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding-top: 16px;
            padding-bottom: 0;
            background: var(--color-bg);
        }

        .nav-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-nav);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: var(--container-max);
            margin: 0 auto;
            transition: box-shadow var(--transition-base);
        }

        .nav-panel.scrolled {
            box-shadow: 0 4px 20px rgba(34, 31, 30, 0.1);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.5px;
            position: relative;
            overflow: hidden;
        }

        .nav-brand-icon::after {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: rgba(255, 255, 255, 0.25);
            border-radius: 50%;
            top: -4px;
            right: -4px;
        }

        .nav-brand-icon::before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            bottom: -8px;
            left: -6px;
        }

        .nav-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-brand-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-link-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid transparent;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link-card:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .nav-link-card.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(255, 106, 0, 0.3);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 106, 0, 0.35);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-hamburger:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
        }

        .nav-mobile-panel {
            display: none;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 16px;
            margin-top: 8px;
            flex-direction: column;
            gap: 10px;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }

        .nav-mobile-panel.open {
            display: flex;
        }

        .nav-mobile-panel .nav-link-card {
            width: 100%;
            justify-content: center;
            padding: 12px 16px;
            font-size: 14px;
        }

        .nav-mobile-panel .nav-cta {
            width: 100%;
            justify-content: center;
            padding: 12px 16px;
        }

        /* Hero */
        .category-hero {
            position: relative;
            padding: 60px 0 56px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-color: var(--color-dark);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(34, 31, 30, 0.88) 0%, rgba(34, 31, 30, 0.72) 50%, rgba(34, 31, 30, 0.85) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

        .hero-breadcrumb a:hover {
            color: var(--color-primary);
        }

        .hero-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-breadcrumb .current {
            color: #fff;
            font-weight: 600;
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            max-width: 700px;
        }

        .category-hero h1 .highlight {
            color: var(--color-primary);
        }

        .category-hero .hero-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 24px;
        }

        .hero-metrics {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-metric-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-metric-item .metric-value {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .hero-metric-item .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 700;
            line-height: 1.4;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border: 1px solid var(--color-primary);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 106, 0, 0.4);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-bubble {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.85);
            position: absolute;
            right: 40px;
            top: 50px;
            z-index: 2;
            animation: float 3s ease-in-out infinite;
        }

        .hero-bubble::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 20px;
            width: 10px;
            height: 10px;
            background: rgba(255, 255, 255, 0.15);
            transform: rotate(45deg);
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* Filter bar */
        .filter-section {
            padding: 28px 0 0;
            background: var(--color-bg);
        }

        .filter-bar {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 14px;
            border-radius: 20px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .filter-tag.active-tag {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        .filter-sort {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .filter-sort-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .sort-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 14px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .sort-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .sort-btn.sort-active {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* Content cards */
        .content-list-section {
            padding: 36px 0 0;
        }

        .section-header {
            margin-bottom: 28px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.3px;
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .content-card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .content-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-base);
        }

        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(255, 106, 0, 0.25);
        }

        .content-card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .content-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .content-card:hover .content-card-img-wrap img {
            transform: scale(1.05);
        }

        .content-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 10px;
            background: rgba(34, 31, 30, 0.75);
            border-radius: 6px;
            font-size: 11px;
            font-weight: 600;
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .content-card-badge.hot {
            background: var(--color-heat);
        }

        .content-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .content-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            letter-spacing: -0.2px;
        }

        .content-card-meta {
            display: flex;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }

        .content-card-meta .meta-dot {
            color: var(--color-primary);
            font-weight: 700;
        }

        .content-card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            flex: 1;
        }

        .content-card-action {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .content-card-action:hover {
            color: var(--color-primary-hover);
            gap: 8px;
        }

        /* Deep content */
        .deep-content-section {
            padding: 56px 0 0;
        }

        .deep-content-block {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            padding: 40px 44px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .deep-content-text h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.4;
            letter-spacing: -0.3px;
            margin-bottom: 20px;
        }

        .deep-content-text h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-top: 28px;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }

        .deep-content-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 2.0;
            margin-bottom: 16px;
        }

        .deep-content-text p strong {
            color: var(--color-text);
            font-weight: 600;
        }

        .deep-content-image {
            position: sticky;
            top: 100px;
        }

        .deep-content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
            aspect-ratio: 3/2;
        }

        .deep-content-image .image-caption {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-top: 8px;
            text-align: center;
        }

        .quote-block {
            background: var(--color-primary-soft);
            border-left: 4px solid var(--color-primary);
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.8;
            margin: 20px 0;
        }

        .quote-block .quote-author {
            display: block;
            margin-top: 8px;
            font-size: 12px;
            color: var(--color-text-secondary);
            font-weight: 600;
        }

        /* CTA */
        .cta-section {
            padding: 56px 0 0;
        }

        .cta-banner {
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 48px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 106, 0, 0.2) 0%, transparent 70%);
            top: -80px;
            right: -60px;
            border-radius: 50%;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(0, 166, 166, 0.15) 0%, transparent 70%);
            bottom: -60px;
            left: -40px;
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            flex: 1;
            min-width: 280px;
        }

        .cta-content h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            margin-bottom: 10px;
        }

        .cta-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-dark-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .btn-dark-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            transform: translateY(-2px);
        }

        /* FAQ */
        .faq-section {
            padding: 56px 0 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            text-align: left;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--color-bg);
            border-radius: 50%;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark-soft);
            margin-top: var(--section-gap-desktop);
            padding: 48px 0 28px;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .nav-brand-text {
            color: #fff;
        }

        .footer-brand-desc {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-top: 14px;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-copyright {
            font-size: 12px;
            color: var(--color-text-light);
        }

        .footer-beian {
            display: flex;
            gap: 14px;
            font-size: 12px;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .footer-sitemap-links {
            display: flex;
            gap: 14px;
            font-size: 12px;
            flex-wrap: wrap;
        }

        .footer-sitemap-links a {
            color: var(--color-text-light);
        }

        .footer-sitemap-links a:hover {
            color: var(--color-primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 28px 24px;
            }
            .deep-content-image {
                position: static;
                order: -1;
            }
            .deep-content-image img {
                aspect-ratio: 16/9;
            }
            .content-card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .category-hero {
                padding: 40px 0 36px;
                min-height: auto;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .hero-bubble {
                display: none;
            }
            .hero-metrics {
                gap: 14px;
            }
            .hero-metric-item .metric-value {
                font-size: 22px;
            }
            .content-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .deep-content-block {
                padding: 22px 18px;
            }
            .deep-content-text h2 {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-header h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .btn {
                padding: 12px 20px;
                font-size: 13px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .hero-metric-item .metric-value {
                font-size: 20px;
            }
            .content-card-body {
                padding: 14px 16px 16px;
            }
            .content-card-title {
                font-size: 15px;
            }
            .filter-sort {
                flex-wrap: wrap;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #FF6A00;
            --color-primary-hover: #E55D00;
            --color-primary-soft: #FFF1E6;
            --color-dark: #221F1E;
            --color-dark-soft: #2D2A28;
            --color-text: #2D2A28;
            --color-text-secondary: #6B6763;
            --color-text-light: #B8B0AA;
            --color-bg: #FCFAF7;
            --color-bg-warm: #F7F4F0;
            --color-card: #FFFFFF;
            --color-border: #E8E2DA;
            --color-accent: #00A6A6;
            --color-heat: #E5484D;
            --color-success: #2F855A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 12px rgba(34,31,30,0.04);
            --shadow-card-hover: 0 8px 24px rgba(34,31,30,0.08);
            --shadow-nav: 0 1px 10px rgba(34,31,30,0.06);
            --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --container-max: 1200px;
            --section-gap-desktop: 88px;
            --section-gap-mobile: 56px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding-top: 16px;
            padding-bottom: 0;
            background: var(--color-bg);
        }
        .nav-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-nav);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: var(--container-max);
            margin: 0 auto;
            transition: box-shadow var(--transition-base);
        }
        .nav-panel.scrolled {
            box-shadow: 0 4px 20px rgba(34,31,30,0.1);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.5px;
            position: relative;
            overflow: hidden;
        }
        .nav-brand-icon::after {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: rgba(255,255,255,0.25);
            border-radius: 50%;
            top: -4px;
            right: -4px;
        }
        .nav-brand-icon::before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255,255,255,0.4);
            border-radius: 50%;
            bottom: -8px;
            left: -6px;
        }
        .nav-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .nav-brand-text span {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-link-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid transparent;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link-card:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-1px);
        }
        .nav-link-card.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(255,106,0,0.25);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff !important;
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-primary);
        }
        .nav-cta:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255,106,0,0.22);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
        }
        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav-mobile-panel {
            display: none;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 16px;
            margin-top: 8px;
            flex-direction: column;
            gap: 8px;
            box-shadow: var(--shadow-card-hover);
        }
        .nav-mobile-panel.open {
            display: flex;
        }
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
        }
        /* Hero */
        .hero-category {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: var(--color-dark);
            overflow: hidden;
            margin-top: 24px;
            border-radius: var(--radius-xl);
            padding: 64px 0;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(34,31,30,0.92) 0%, rgba(34,31,30,0.75) 50%, rgba(34,31,30,0.65) 100%);
            z-index: 1;
        }
        .hero-category-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-category-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-category-content {
            max-width: 760px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,106,0,0.16);
            border: 1px solid rgba(255,106,0,0.35);
            color: #FFB87A;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
        }
        .hero-category h1 {
            color: #FFFFFF;
            font-size: 44px;
            line-height: 1.25;
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }
        .hero-category h1 .highlight {
            color: var(--color-primary);
        }
        .hero-category p {
            color: rgba(255,255,255,0.8);
            font-size: 18px;
            line-height: 1.9;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            transition: all var(--transition-base);
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1.4;
            text-align: center;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255,106,0,0.28);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.45);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            color: #fff;
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline-primary:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary-hover);
            color: var(--color-primary-hover);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
        }
        @media (max-width: 768px) {
            .hero-category {
                min-height: 50vh;
                padding: 40px 0;
                border-radius: var(--radius-lg);
            }
            .hero-category h1 {
                font-size: 30px;
            }
            .hero-category p {
                font-size: 16px;
            }
        }
        /* Sections */
        .section {
            padding-top: var(--section-gap-desktop);
            padding-bottom: var(--section-gap-desktop);
        }
        .section-tight {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .section-head {
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 32px;
            line-height: 1.4;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 16px;
            color: var(--color-text);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }
        .section-head-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
            .section-title {
                font-size: 24px;
            }
        }
        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .feature-card:nth-child(odd) {
            grid-row: span 1;
        }
        .feature-card:nth-child(even) {
            grid-row: span 1;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--color-primary-soft);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 22px;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }
        .feature-card:hover .feature-icon {
            background: var(--color-primary);
            color: #fff;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(0,166,166,0.08);
            padding: 4px 10px;
            border-radius: 999px;
            width: fit-content;
        }
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }
        /* Play Flow */
        .flow-block {
            background: var(--color-bg-warm);
            border-radius: var(--radius-xl);
            padding: 48px;
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .flow-step {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: relative;
            transition: all var(--transition-base);
        }
        .flow-step:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .flow-step-number {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 16px;
        }
        .flow-step h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .flow-grid {
                grid-template-columns: 1fr 1fr;
            }
            .flow-block {
                padding: 32px 24px;
            }
        }
        @media (max-width: 768px) {
            .flow-grid {
                grid-template-columns: 1fr;
            }
        }
        /* Content List */
        .content-filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
        }
        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
            white-space: nowrap;
        }
        .filter-chip {
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .filter-chip.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        .content-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .content-list-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .content-list-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary);
        }
        .content-list-thumb {
            height: 200px;
            overflow: hidden;
            position: relative;
            background: var(--color-bg-warm);
        }
        .content-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-base);
        }
        .content-list-item:hover .content-list-thumb img {
            transform: scale(1.05);
        }
        .content-list-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .content-list-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-text-secondary);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 8px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .badge-heat {
            background: rgba(229,72,77,0.1);
            color: var(--color-heat);
        }
        .badge-accent {
            background: rgba(0,166,166,0.1);
            color: var(--color-accent);
        }
        .content-list-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
        }
        .content-list-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .content-list-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .content-list-grid {
                grid-template-columns: 1fr;
            }
        }
        /* Deep content */
        .deep-content {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .deep-content-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }
        .deep-content-text {
            padding: 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .deep-content-text h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .deep-content-text p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-content-text h3 {
            font-size: 19px;
            font-weight: 700;
            margin-top: 16px;
            margin-bottom: 8px;
        }
        .deep-content-image {
            min-height: 400px;
            background: var(--color-bg-warm);
            overflow: hidden;
        }
        .deep-content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        @media (max-width: 900px) {
            .deep-content-inner {
                grid-template-columns: 1fr;
            }
            .deep-content-text {
                padding: 32px 24px;
            }
            .deep-content-image {
                min-height: 240px;
            }
        }
        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: left;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 8px;
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-value {
                font-size: 28px;
            }
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            text-align: left;
            background: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            transition: all var(--transition-base);
        }
        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        /* CTA */
        .cta-banner {
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,106,0,0.25) 0%, transparent 70%);
            top: -100px;
            right: -50px;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0,166,166,0.18) 0%, transparent 70%);
            bottom: -80px;
            left: -40px;
        }
        .cta-banner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }
        .cta-banner p {
            color: rgba(255,255,255,0.75);
            font-size: 16px;
            max-width: 620px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
            line-height: 1.9;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 2;
        }
        @media (max-width: 768px) {
            .cta-banner {
                padding: 40px 24px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
        }
        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .news-date {
            font-size: 12px;
            color: var(--color-text-secondary);
        }
        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
        }
        .news-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .news-card .btn {
            align-self: flex-start;
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: var(--color-text-light);
            padding: 48px 0 24px;
            margin-top: var(--section-gap-desktop);
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-top: 16px;
            max-width: 300px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: var(--color-text-light);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
        }
        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-sitemap-links {
            display: flex;
            gap: 12px;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }
        /* Utilities */
        .text-primary { color: var(--color-primary); }
        .text-accent { color: var(--color-accent); }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .w-full { width: 100%; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .gap-8 { gap: 8px; }
        .gap-16 { gap: 16px; }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0;
        }
        @media (max-width: 1024px) {
            .hide-tablet { display: none; }
        }
        @media (max-width: 768px) {
            .hide-mobile { display: none; }
        }

/* roulang page: category5 */
:root {
            --color-primary: #FF6A00;
            --color-primary-hover: #E55D00;
            --color-primary-soft: #FFF1E6;
            --color-dark: #221F1E;
            --color-dark-soft: #2D2A28;
            --color-text: #2D2A28;
            --color-text-secondary: #6B6763;
            --color-text-light: #B8B0AA;
            --color-bg: #FCFAF7;
            --color-bg-warm: #F7F4F0;
            --color-card: #FFFFFF;
            --color-border: #E8E2DA;
            --color-accent: #00A6A6;
            --color-heat: #E5484D;
            --color-success: #2F855A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 12px rgba(34, 31, 30, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(34, 31, 30, 0.08);
            --shadow-nav: 0 1px 10px rgba(34, 31, 30, 0.06);
            --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --container-max: 1200px;
            --section-gap-desktop: 88px;
            --section-gap-mobile: 56px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            transition: all var(--transition-fast);
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding-top: 16px;
            padding-bottom: 0;
            background: var(--color-bg);
        }
        .nav-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-nav);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: var(--container-max);
            margin: 0 auto;
            transition: box-shadow var(--transition-base);
        }
        .nav-panel.scrolled {
            box-shadow: 0 4px 20px rgba(34, 31, 30, 0.1);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.5px;
            position: relative;
            overflow: hidden;
        }
        .nav-brand-icon::after {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: rgba(255, 255, 255, 0.25);
            border-radius: 50%;
            top: -4px;
            right: -4px;
        }
        .nav-brand-icon::before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            bottom: -8px;
            left: -6px;
        }
        .nav-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .nav-brand-text span {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-link-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid transparent;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link-card:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-1px);
        }
        .nav-link-card.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .nav-link-card.active:hover {
            color: #fff;
            background: var(--color-primary-hover);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            align-items: center;
            flex-shrink: 0;
        }
        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }
        .nav-hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .nav-mobile-panel {
            display: none;
            flex-direction: column;
            gap: 10px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 16px;
            margin: 12px auto 0;
            max-width: var(--container-max);
        }
        .nav-mobile-panel.open {
            display: flex;
        }
        .nav-mobile-panel .nav-link-card {
            justify-content: space-between;
            padding: 12px 16px;
            font-size: 14px;
            background: var(--color-bg);
        }
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
        }
        @media (min-width: 1024px) {
            .nav-mobile-panel {
                display: none !important;
            }
        }

        /* Hero */
        .hero-category {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            margin-top: 16px;
            background: var(--color-dark);
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(34, 31, 30, 0.88) 0%, rgba(34, 31, 30, 0.55) 50%, rgba(255, 106, 0, 0.35) 100%);
            z-index: 1;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
            padding-top: 56px;
            padding-bottom: 56px;
            width: 100%;
        }
        .hero-category-content {
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 6px 14px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .hero-badge i {
            color: var(--color-primary);
        }
        .hero-category h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.25;
            color: #fff;
            margin: 0 0 18px;
            letter-spacing: -0.5px;
        }
        .hero-category h1 em {
            font-style: normal;
            color: var(--color-primary);
        }
        .hero-category .hero-sub {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin: 0 0 28px;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition-fast);
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 106, 0, 0.35);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 36px;
        }
        .hero-stat-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            min-width: 130px;
        }
        .hero-stat-value {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-value span {
            color: var(--color-primary);
        }
        .hero-stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }
        @media (max-width: 767px) {
            .hero-category {
                min-height: 42vh;
            }
            .hero-category h1 {
                font-size: 28px;
            }
            .hero-category .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .hero-stat-item {
                min-width: auto;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
            }
        }

        /* Section Common */
        .section {
            padding-top: 80px;
            padding-bottom: 80px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.4;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: -0.3px;
        }
        .section-sub {
            font-size: 17px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin: 0 0 40px;
            max-width: 680px;
        }
        .section-title-group {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 40px;
        }
        .section-title-group .section-title {
            margin-bottom: 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            padding: 6px 14px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        @media (max-width: 767px) {
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-sub {
                font-size: 15px;
            }
            .section-title-group {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        /* Creator Data Overview */
        .creator-data-section {
            background: var(--color-bg);
        }
        .data-overview-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
        }
        .data-overview-main {
            grid-row: span 2;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .data-overview-main h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 16px;
            line-height: 1.4;
        }
        .data-overview-main p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin: 0 0 24px;
        }
        .data-overview-main .big-number {
            font-size: 56px;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1.1;
            letter-spacing: -2px;
        }
        .data-overview-main .big-number span {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0;
            color: var(--color-text-secondary);
            margin-left: 4px;
        }
        .data-overview-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-base);
        }
        .data-overview-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }
        .data-overview-card .icon-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 20px;
            margin-bottom: 14px;
        }
        .data-overview-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }
        .data-overview-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .data-overview-card .data-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.2;
        }
        .data-overview-card .data-value .unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
        }
        @media (max-width: 1023px) {
            .data-overview-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-overview-main {
                grid-column: span 2;
                grid-row: auto;
            }
        }
        @media (max-width: 767px) {
            .data-overview-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .data-overview-main {
                grid-column: auto;
                padding: 24px;
            }
            .data-overview-main .big-number {
                font-size: 40px;
            }
            .data-overview-card {
                padding: 20px;
            }
        }

        /* Creator Tools */
        .creator-tools-section {
            background: var(--color-bg-warm);
        }
        .tools-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1.2fr;
            gap: 20px;
        }
        .tool-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-primary);
        }
        .tool-card:first-child {
            grid-row: span 2;
        }
        .tool-card .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .tool-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 10px;
        }
        .tool-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin: 0 0 16px;
        }
        .tool-card .tool-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tool-card .tool-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-secondary);
        }
        @media (max-width: 1023px) {
            .tools-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tool-card:first-child {
                grid-column: span 2;
                grid-row: auto;
            }
        }
        @media (max-width: 767px) {
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .tool-card:first-child {
                grid-column: auto;
            }
            .tool-card {
                padding: 20px;
            }
        }

        /* Growth Path */
        .growth-path-section {
            background: var(--color-bg);
        }
        .growth-path-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .growth-path-list::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }
        .growth-step {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 0 12px;
        }
        .growth-step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-card);
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            transition: all var(--transition-base);
        }
        .growth-step:hover .growth-step-num {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 106, 0, 0.3);
        }
        .growth-step h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }
        .growth-step p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin: 0;
        }
        @media (max-width: 1023px) {
            .growth-path-list {
                grid-template-columns: 1fr 1fr;
                gap: 28px 16px;
            }
            .growth-path-list::before {
                display: none;
            }
        }
        @media (max-width: 767px) {
            .growth-path-list {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .growth-step {
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 16px;
            }
            .growth-step-num {
                margin: 0;
                flex-shrink: 0;
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
        }

        /* Deep Content */
        .deep-content-section {
            background: var(--color-bg-warm);
        }
        .deep-content-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-content-text h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 20px;
            line-height: 1.4;
        }
        .deep-content-text .deep-heading-sm {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 28px 0 10px;
        }
        .deep-content-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text);
            margin: 0 0 16px;
        }
        .deep-content-text .deep-quote {
            background: #fff;
            border-left: 4px solid var(--color-primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px 24px;
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .deep-content-text .deep-quote p {
            margin: 0;
            font-style: italic;
            color: var(--color-text-secondary);
            font-size: 15px;
        }
        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }
        .deep-content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .deep-content-image .img-caption {
            font-size: 13px;
            color: var(--color-text-secondary);
            padding: 12px 16px;
            background: var(--color-card);
            text-align: center;
        }
        @media (max-width: 1023px) {
            .deep-content-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .deep-content-text h3 {
                font-size: 22px;
            }
        }
        @media (max-width: 767px) {
            .deep-content-text p {
                font-size: 15px;
            }
        }

        /* Success Stories */
        .success-stories-section {
            background: var(--color-bg);
        }
        .stories-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 20px;
        }
        .story-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .story-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-5px);
            border-color: var(--color-primary);
        }
        .story-card .story-img {
            height: 200px;
            overflow: hidden;
            border-radius: 0;
        }
        .story-card .story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-base);
        }
        .story-card:hover .story-img img {
            transform: scale(1.05);
        }
        .story-card .story-body {
            padding: 20px 24px;
        }
        .story-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 10px;
        }
        .story-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin: 0 0 14px;
        }
        .story-card .story-metrics {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }
        .story-card .story-metric {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .story-card .story-metric .metric-value {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
        }
        .story-card .story-metric .metric-label {
            font-size: 12px;
            color: var(--color-text-secondary);
        }
        @media (max-width: 1023px) {
            .stories-grid {
                grid-template-columns: 1fr 1fr;
            }
            .story-card:first-child {
                grid-column: span 2;
            }
        }
        @media (max-width: 767px) {
            .stories-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .story-card:first-child {
                grid-column: auto;
            }
            .story-card .story-img {
                height: 160px;
            }
        }

        /* Platform Rights */
        .platform-rights-section {
            background: var(--color-bg-warm);
        }
        .rights-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .right-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
            display: flex;
            align-items: flex-start;
            gap: 18px;
            transition: all var(--transition-base);
        }
        .right-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }
        .right-item .right-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-dark);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .right-item:hover .right-icon {
            background: var(--color-primary);
        }
        .right-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }
        .right-item p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin: 0;
        }
        @media (max-width: 1023px) {
            .rights-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767px) {
            .right-item {
                padding: 20px;
                flex-direction: column;
                gap: 12px;
            }
        }

        /* FAQ */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            transition: all var(--transition-fast);
            min-height: 44px;
            width: 100%;
            text-align: left;
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 16px;
            font-weight: 700;
            transition: all var(--transition-base);
        }
        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-secondary);
        }
        @media (max-width: 767px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
            }
        }

        /* CTA */
        .cta-section {
            background: var(--color-dark);
            padding-top: 72px;
            padding-bottom: 72px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 40px solid rgba(255, 106, 0, 0.15);
            top: -80px;
            right: -60px;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 30px solid rgba(0, 166, 166, 0.12);
            bottom: -50px;
            left: -40px;
        }
        .cta-content {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-size: 32px;
            font-weight: 900;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.3;
        }
        .cta-content h2 span {
            color: var(--color-primary);
        }
        .cta-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 auto 32px;
            max-width: 560px;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-buttons .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .cta-buttons .btn-primary:hover {
            background: var(--color-primary-hover);
        }
        .cta-buttons .btn-light {
            background: #fff;
            color: var(--color-text);
            border: 1px solid #fff;
        }
        .cta-buttons .btn-light:hover {
            background: rgba(255, 255, 255, 0.85);
            transform: translateY(-2px);
        }
        @media (max-width: 767px) {
            .cta-section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .cta-content h2 {
                font-size: 24px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: var(--color-text-light);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-light);
            margin: 16px 0 0;
            max-width: 300px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: center;
            text-align: center;
        }
        .footer-copyright {
            font-size: 13px;
            color: var(--color-text-light);
        }
        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            font-size: 13px;
            color: var(--color-text-light);
        }
        .footer-sitemap-links {
            display: flex;
            gap: 16px;
            font-size: 13px;
        }
        .footer-sitemap-links a {
            color: var(--color-text-light);
        }
        .footer-sitemap-links a:hover {
            color: var(--color-primary);
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-beian {
                flex-direction: column;
                align-items: center;
                gap: 8px;
            }
        }

        /* Additional utility */
        .text-accent {
            color: var(--color-accent);
        }
        .text-primary {
            color: var(--color-primary);
        }
        .focus-visible:focus-visible {
            outline: 3px solid var(--color-primary);
            outline-offset: 2px;
        }
        ::selection {
            background: var(--color-primary);
            color: #fff;
        }

/* roulang page: category7 */
:root {
            --color-primary: #FF6A00;
            --color-primary-hover: #E55D00;
            --color-primary-soft: #FFF1E6;
            --color-dark: #221F1E;
            --color-dark-soft: #2D2A28;
            --color-text: #2D2A28;
            --color-text-secondary: #6B6763;
            --color-text-light: #B8B0AA;
            --color-bg: #FCFAF7;
            --color-bg-warm: #F7F4F0;
            --color-card: #FFFFFF;
            --color-border: #E8E2DA;
            --color-accent: #00A6A6;
            --color-heat: #E5484D;
            --color-success: #2F855A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 12px rgba(34, 31, 30, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(34, 31, 30, 0.08);
            --shadow-nav: 0 1px 10px rgba(34, 31, 30, 0.06);
            --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --container-max: 1200px;
            --section-gap-desktop: 88px;
            --section-gap-mobile: 56px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding-top: 16px;
            padding-bottom: 0;
            background: var(--color-bg);
        }

        .nav-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-nav);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: var(--container-max);
            margin: 0 auto;
            transition: box-shadow var(--transition-base);
        }

        .nav-panel.scrolled {
            box-shadow: 0 4px 20px rgba(34, 31, 30, 0.1);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.5px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .nav-brand-icon::after {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: rgba(255, 255, 255, 0.25);
            border-radius: 50%;
            top: -4px;
            right: -4px;
        }

        .nav-brand-icon::before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            bottom: -8px;
            left: -6px;
        }

        .nav-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-brand-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-link-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid transparent;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link-card:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .nav-link-card.active {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
        }

        .nav-hamburger span {
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-mobile-panel {
            display: none;
            flex-direction: column;
            gap: 8px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 16px;
            margin-top: 8px;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }

        .nav-mobile-panel.open {
            display: flex;
        }

        .nav-mobile-panel .nav-link-card {
            width: 100%;
            justify-content: center;
            padding: 12px 16px;
            font-size: 14px;
        }

        .nav-mobile-panel .nav-cta {
            width: 100%;
            justify-content: center;
            margin-top: 4px;
        }

        /* Hero */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 56px 0 48px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin-bottom: 48px;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(34, 31, 30, 0.88) 0%, rgba(34, 31, 30, 0.65) 55%, rgba(34, 31, 30, 0.4) 100%);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 106, 0, 0.18);
            border: 1px solid rgba(255, 106, 0, 0.45);
            border-radius: 20px;
            color: #FF8A4D;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: -0.5px;
        }

        .category-hero h1 span {
            color: var(--color-primary);
        }

        .category-hero .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: #E8DED5;
            margin: 0 0 24px;
            max-width: 620px;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-number {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .hero-stat-number em {
            font-style: normal;
            color: var(--color-primary);
        }

        .hero-stat-label {
            font-size: 13px;
            color: #B8B0AA;
        }

        /* Section common */
        .section {
            padding: 56px 0;
        }

        .section + .section {
            border-top: 1px solid var(--color-border);
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.5px;
            margin: 0 0 8px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin: 0 0 32px;
            line-height: 1.7;
            max-width: 680px;
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 14px 18px;
            margin-bottom: 32px;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            white-space: nowrap;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .filter-tag.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        .filter-sort {
            margin-left: auto;
            display: flex;
            gap: 6px;
        }

        .filter-sort-btn {
            padding: 7px 12px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-sort-btn:hover {
            background: var(--color-bg-warm);
            color: var(--color-text);
        }

        .filter-sort-btn.active {
            background: var(--color-dark);
            color: #fff;
        }

        /* News list */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #D8CFC4;
        }

        .news-card-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            border-radius: 0;
            position: relative;
        }

        .news-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 55%, rgba(34, 31, 30, 0.35));
            border-radius: 0;
        }

        .news-card-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(34, 31, 30, 0.75);
            color: #fff;
            padding: 5px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 600;
            z-index: 2;
        }

        .news-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 10px;
            line-height: 1.5;
            letter-spacing: -0.2px;
        }

        .news-card-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .news-card-tag {
            padding: 4px 10px;
            background: var(--color-bg-warm);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text);
        }

        .news-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 700;
            transition: all var(--transition-fast);
            align-self: flex-start;
            margin-top: 4px;
        }

        .news-card-link:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* Deep content */
        .deep-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .deep-content-text {
            font-size: 16px;
            line-height: 2;
            color: var(--color-text);
        }

        .deep-content-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin: 28px 0 12px;
            line-height: 1.5;
            letter-spacing: -0.2px;
        }

        .deep-content-text h3:first-child {
            margin-top: 0;
        }

        .deep-content-text p {
            margin: 0 0 16px;
        }

        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .deep-content-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            object-fit: cover;
        }

        .deep-content-image figcaption {
            font-size: 13px;
            color: var(--color-text-secondary);
            padding: 10px 12px;
            background: var(--color-card);
        }

        .quote-block {
            background: var(--color-primary-soft);
            border-left: 4px solid var(--color-primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            font-style: italic;
        }

        /* Industry data */
        .industry-data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .industry-data-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            text-align: left;
            transition: all var(--transition-base);
        }

        .industry-data-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #D8CFC4;
        }

        .industry-data-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .industry-data-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .industry-data-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* Topics */
        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .topic-tag:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
        }

        .topic-tag .topic-count {
            font-size: 12px;
            color: var(--color-text-secondary);
            background: var(--color-bg-warm);
            padding: 2px 8px;
            border-radius: 10px;
        }

        /* CTA */
        .cta-banner {
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 2px solid rgba(255, 106, 0, 0.3);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: 100px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 106, 0, 0.12);
            pointer-events: none;
        }

        .cta-banner-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: -0.3px;
            line-height: 1.35;
        }

        .cta-banner p {
            font-size: 16px;
            color: #B8B0AA;
            margin: 0 0 24px;
            line-height: 1.8;
        }

        .cta-btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 24px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition-fast);
            border: none;
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 106, 0, 0.35);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 24px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }

        .faq-question-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: var(--color-text-light);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .nav-brand-text {
            color: #fff;
        }

        .footer-brand .nav-brand-text span {
            color: var(--color-primary);
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-light);
            margin: 12px 0 0;
            max-width: 340px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            align-items: center;
            text-align: center;
        }

        .footer-copyright {
            font-size: 14px;
            color: var(--color-text-light);
        }

        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            font-size: 13px;
            color: #8A8078;
        }

        .footer-sitemap-links {
            display: flex;
            gap: 16px;
            font-size: 13px;
        }

        .footer-sitemap-links a {
            color: var(--color-text-light);
        }

        .footer-sitemap-links a:hover {
            color: var(--color-primary);
        }

        /* Focus styles */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .category-hero {
                min-height: 360px;
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .news-list {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .deep-content-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .industry-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 767px) {
            .nav-panel {
                padding: 8px 12px;
                gap: 10px;
            }
            .nav-brand-text {
                font-size: 18px;
            }
            .nav-brand-icon {
                width: 32px;
                height: 32px;
                font-size: 17px;
            }
            .category-hero {
                min-height: 300px;
                padding: 28px 0 24px;
                border-radius: var(--radius-lg);
            }
            .category-hero h1 {
                font-size: 26px;
                line-height: 1.3;
            }
            .category-hero .hero-desc {
                font-size: 15px;
                line-height: 1.7;
            }
            .hero-stats {
                gap: 18px;
            }
            .hero-stat-number {
                font-size: 22px;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 20px;
            }
            .filter-bar {
                padding: 10px 12px;
                gap: 8px;
            }
            .filter-sort {
                margin-left: 0;
                width: 100%;
                justify-content: flex-start;
            }
            .news-card-image {
                height: 160px;
            }
            .news-card-body {
                padding: 18px;
            }
            .news-card-title {
                font-size: 16px;
            }
            .news-card-summary {
                font-size: 13px;
            }
            .industry-data-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .industry-data-card {
                padding: 20px 16px;
            }
            .industry-data-number {
                font-size: 28px;
            }
            .cta-banner {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .cta-banner p {
                font-size: 14px;
            }
            .faq-question {
                padding: 14px 16px;
            }
            .faq-question-text {
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                gap: 8px;
            }
            .footer-beian {
                flex-direction: column;
                gap: 4px;
            }
            .deep-content-text {
                font-size: 15px;
                line-height: 1.9;
            }
            .deep-content-text h3 {
                font-size: 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .nav-panel {
                padding: 6px 10px;
                gap: 8px;
            }
            .nav-brand-text {
                font-size: 16px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .hero-tag {
                font-size: 12px;
                padding: 4px 10px;
            }
            .news-card-image {
                height: 140px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                font-size: 14px;
                padding: 12px 18px;
            }
            .cta-btn-group {
                flex-direction: column;
            }
        }