/* roulang page: index */
:root {
            --color-bg: #0C0D10;
            --color-surface: #15171C;
            --color-surface-hover: #1A1D24;
            --color-primary: #D7263D;
            --color-primary-hover: #F03A55;
            --color-accent: #E8A23D;
            --color-text: #F2F3F5;
            --color-text-secondary: #9CA3AF;
            --color-text-muted: #6B7280;
            --color-border: #262A33;
            --color-success: #2ECC71;
            --color-error: #E74C3C;
            --font-family: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-width: 1200px;
            --radius-card: 8px;
            --radius-btn: 4px;
            --cut-size: 12px;
            --shadow-hover: 0 12px 24px -6px rgba(0, 0, 0, 0.5);
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --header-height: 72px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input {
            font-family: var(--font-family);
            font-size: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: var(--spacing-section) 0;
        }

        .section-header {
            margin-bottom: 44px;
            text-align: center;
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 1px;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-top: 10px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Corner cut utility */
        .corner-cut {
            position: relative;
            overflow: hidden;
        }

        .corner-cut::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 0;
            border-top: var(--cut-size) solid var(--color-bg);
            border-right: var(--cut-size) solid transparent;
            z-index: 2;
            pointer-events: none;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all 0.28s ease;
            line-height: 1.4;
            border: 1px solid transparent;
        }

        .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 8px 20px rgba(215, 38, 61, 0.35);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            background: rgba(232, 162, 61, 0.08);
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* Badge */
        .badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 2px;
            letter-spacing: 0.5px;
            line-height: 1.5;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(12, 13, 16, 0.92);
            border-bottom: 1px solid var(--color-border);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-mark {
            width: 30px;
            height: 30px;
            background: var(--color-primary);
            border-radius: 4px;
            position: relative;
            display: inline-block;
            clip-path: polygon(8px 0, 100% 0, 100% 100%, 0 100%, 0 8px);
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            top: 4px;
            left: 4px;
            width: 14px;
            height: 14px;
            background: var(--color-accent);
            clip-path: polygon(4px 0, 100% 0, 100% 100%, 0 100%, 0 4px);
        }

        .logo:hover {
            color: #fff;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--color-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link:hover::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            top: 50%;
            left: -10px;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-primary);
            transform: translateY(-50%);
        }

        .nav-cta {
            padding: 10px 24px;
            font-size: 14px;
            white-space: nowrap;
        }

        .menu-toggle {
            display: none;
            background: transparent;
            cursor: pointer;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
        }

        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .menu-toggle:hover span {
            background: var(--color-primary);
        }

        /* Hero */
        .hero {
            position: relative;
            background: linear-gradient(rgba(12, 13, 16, 0.72), rgba(12, 13, 16, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 140px 0 120px;
            text-align: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-accent), transparent);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 780px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-accent);
            border: 1px solid rgba(232, 162, 61, 0.4);
            border-radius: 50px;
            padding: 6px 18px;
            margin-bottom: 28px;
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: 2px;
        }

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

        .hero-sub {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 64px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            max-width: 640px;
            margin: 0 auto;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-stat .stat-number {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-accent);
            display: block;
            margin-bottom: 4px;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            letter-spacing: 1px;
        }

        /* Story section */
        .story-section {
            background: var(--color-bg);
            padding: var(--spacing-section) 0;
        }

        .story-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
        }

        .story-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 0;
            border-top: var(--cut-size) solid var(--color-bg);
            border-right: var(--cut-size) solid transparent;
            z-index: 2;
        }

        .story-image img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .story-image:hover img {
            transform: scale(1.03);
        }

        .story-watermark {
            position: absolute;
            bottom: 16px;
            left: 16px;
            font-size: 14px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.85);
            background: rgba(215, 38, 61, 0.85);
            padding: 4px 12px;
            border-radius: 2px;
            letter-spacing: 1px;
            z-index: 3;
        }

        .story-content {
            padding-left: 30px;
        }

        .story-content .badge {
            margin-bottom: 16px;
        }

        .story-content h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin: 18px 0 20px;
            line-height: 1.4;
        }

        .story-content p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 18px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            transition: color 0.25s ease, gap 0.25s ease;
        }

        .text-link:hover {
            color: var(--color-primary-hover);
            gap: 10px;
        }

        /* Live section */
        .live-section {
            background: linear-gradient(rgba(12, 13, 16, 0.82), rgba(12, 13, 16, 0.82)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 100px 0;
            text-align: center;
        }

        .live-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }

        .live-section .live-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .live-section .btn-outline {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .live-section .btn-outline:hover {
            background: var(--color-accent);
            color: var(--color-bg);
        }

        /* News section */
        .news-section {
            background: var(--color-bg);
            padding: var(--spacing-section) 0;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 880px;
            margin: 0 auto;
        }

        .news-card {
            display: block;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            position: relative;
            overflow: hidden;
            transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }

        .news-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 0;
            border-top: var(--cut-size) solid var(--color-bg);
            border-right: var(--cut-size) solid transparent;
            z-index: 2;
        }

        .news-card:hover {
            background: var(--color-surface-hover);
            border-color: rgba(232, 162, 61, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .news-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 2px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .news-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
            transition: color 0.25s ease;
        }

        .news-card:hover h3 {
            color: var(--color-accent);
        }

        .news-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-time {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-time i {
            font-size: 12px;
        }

        .news-empty {
            text-align: center;
            font-size: 15px;
            color: var(--color-text-muted);
            padding: 60px 20px;
            background: var(--color-surface);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
        }

        .news-footer-link {
            text-align: center;
            margin-top: 36px;
        }

        .news-footer-link .btn-outline {
            border-color: var(--color-border);
            color: var(--color-text-secondary);
        }

        .news-footer-link .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(215, 38, 61, 0.06);
        }

        /* Trust section */
        .trust-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-section) 0;
        }

        .trust-card {
            background: var(--color-bg);
            border-left: 3px solid var(--color-primary);
            border-radius: 4px;
            padding: 24px;
            height: 100%;
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 1px solid var(--color-border);
            border-right: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

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

        .trust-icon {
            width: 44px;
            height: 44px;
            border-radius: 6px;
            background: rgba(215, 38, 61, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .trust-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .trust-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* FAQ section */
        .faq-section {
            background: var(--color-bg);
            padding: var(--spacing-section) 0;
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            list-style: none;
        }

        .faq-accordion .accordion-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 6px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-accordion .accordion-item:hover {
            border-color: rgba(232, 162, 61, 0.3);
        }

        .faq-accordion .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: transparent;
            border-bottom: 1px solid transparent;
        }

        .faq-accordion .accordion-title::after {
            content: '+';
            font-size: 22px;
            color: var(--color-primary);
            font-weight: 400;
            transition: transform 0.3s ease;
        }

        .faq-accordion .accordion-item.is-active > .accordion-title {
            color: var(--color-primary);
            border-bottom-color: var(--color-border);
        }

        .faq-accordion .accordion-item.is-active > .accordion-title::after {
            content: '−';
        }

        .faq-accordion .accordion-content {
            padding: 20px 24px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
        }

        /* Subscribe section */
        .subscribe-section {
            background: linear-gradient(rgba(12, 13, 16, 0.85), rgba(12, 13, 16, 0.9)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 100px 0;
            text-align: center;
        }

        .subscribe-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .subscribe-section .subscribe-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 480px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 260px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--color-text);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(215, 38, 61, 0.2);
        }

        .subscribe-form input[type="email"].error {
            border-color: var(--color-error);
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
        }

        .subscribe-form .btn {
            padding: 12px 28px;
            white-space: nowrap;
        }

        .form-feedback {
            width: 100%;
            text-align: center;
            font-size: 13px;
            min-height: 20px;
            margin-top: 10px;
        }

        .form-feedback.success {
            color: var(--color-success);
        }

        .form-feedback.error {
            color: var(--color-error);
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 60px 0 30px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-top: 16px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-links a {
            display: block;
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 6px 0;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .footer-bottom a {
            color: var(--color-text-muted);
        }

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

        /* Foundation overrides */
        .grid-margin-x {
            margin-left: -10px;
            margin-right: -10px;
        }

        .grid-margin-x > .cell {
            padding: 0 10px;
        }

        .accordion .accordion-item:not(:first-child) {
            border-top: 1px solid var(--color-border);
        }

        .accordion .accordion-title {
            background: transparent;
            border-bottom: 1px solid transparent;
        }

        .accordion .accordion-title:hover,
        .accordion .accordion-title:focus {
            background: transparent;
            color: var(--color-primary);
        }

        .accordion .accordion-content {
            background: var(--color-bg);
            color: var(--color-text-secondary);
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

        @media screen and (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(12, 13, 16, 0.98);
                border-bottom: 1px solid var(--color-border);
                flex-direction: column;
                align-items: stretch;
                padding: 20px;
                gap: 4px;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                padding: 12px 0;
                font-size: 15px;
                border-bottom: 1px solid var(--color-border);
            }

            .nav-link::after {
                display: none;
            }

            .nav-link.active::before {
                content: '';
                position: absolute;
                left: -14px;
                top: 50%;
                transform: translateY(-50%);
            }

            .menu-toggle {
                display: flex;
            }

            .nav-cta {
                margin-left: auto;
            }

            .site-header .container {
                padding: 0 16px;
            }

            .story-content {
                padding-left: 0;
                margin-top: 30px;
            }

            .hero {
                padding: 100px 0 80px;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }

            .hero-stat .stat-number {
                font-size: 24px;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .live-section h2,
            .subscribe-section h2 {
                font-size: 26px;
            }

            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-form input[type="email"] {
                min-width: 100%;
            }

            .subscribe-form .btn {
                width: 100%;
            }

            .trust-section .grid-x {
                row-gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media screen and (max-width: 520px) {
            section {
                padding: var(--spacing-section-mobile) 0;
            }

            .container {
                padding: 0 16px;
            }

            .hero {
                padding: 80px 0 60px;
            }

            .hero h1 {
                font-size: 30px;
                letter-spacing: 1px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn {
                width: 100%;
                max-width: 280px;
            }

            .hero-stats {
                padding-top: 28px;
            }

            .hero-stat .stat-number {
                font-size: 20px;
            }

            .hero-stat .stat-label {
                font-size: 12px;
            }

            .news-card {
                padding: 20px;
            }

            .news-card h3 {
                font-size: 18px;
            }

            .footer-links {
                margin-top: 30px;
            }
        }

/* roulang page: article */
:root {
            --color-bg: #0C0D10;
            --color-surface: #15171C;
            --color-surface-hover: #1A1D24;
            --color-primary: #D7263D;
            --color-primary-hover: #F03A55;
            --color-accent: #E8A23D;
            --color-text: #F2F3F5;
            --color-text-secondary: #9CA3AF;
            --color-text-muted: #6B7280;
            --color-border: #262A33;
            --color-success: #2ECC71;
            --color-error: #E74C3C;
            --radius-btn: 4px;
            --radius-card: 8px;
            --shadow-card: 0 12px 24px -6px rgba(0, 0, 0, 0.5);
            --font-system: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --space-section: 80px;
            --space-section-mobile: 48px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-system);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: var(--space-section) 0;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 40px;
        }

        .badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 2px;
            letter-spacing: 0.5px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            border: 2px solid transparent;
        }

        .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 8px 20px rgba(215, 38, 61, 0.25);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text);
            border-color: var(--color-border);
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ============ Header ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(12, 13, 16, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
        }

        .site-header .container {
            height: 100%;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--color-text);
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-block;
            width: 26px;
            height: 26px;
            background: var(--color-primary);
            clip-path: polygon(0 5px, 5px 0, 100% 0, 100% 100%, 0 100%);
            position: relative;
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            right: 3px;
            top: 3px;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
        }

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

        .nav-link {
            display: inline-block;
            padding: 10px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            position: relative;
            transition: color 0.3s ease;
            border-radius: var(--radius-btn);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width 0.3s ease;
        }

        .nav-link:hover {
            color: var(--color-text);
        }

        .nav-link:hover::after {
            width: 18px;
        }

        .nav-link.active {
            color: var(--color-text);
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: -2px;
            width: 5px;
            height: 5px;
            background: var(--color-primary);
            border-radius: 50%;
        }

        .nav-cta {
            padding: 10px 24px;
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-btn);
            flex-shrink: 0;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger:hover span {
            background: var(--color-primary);
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb-section {
            padding: 28px 0 0;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--color-text-muted);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color 0.3s;
        }

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

        .breadcrumb .divider {
            color: var(--color-border);
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ============ Article ============ */
        .article-section {
            padding: 40px 0 60px;
        }

        .article-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 40px;
        }

        .article-header .badge {
            margin-bottom: 16px;
        }

        .article-header h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 20px;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--color-primary);
            font-size: 13px;
        }

        .article-content {
            max-width: 720px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text);
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 40px 0 16px;
            color: var(--color-text);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--color-text);
            line-height: 1.5;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px 20px;
            padding: 0;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 3px solid var(--color-primary);
            background: var(--color-surface);
            padding: 16px 20px;
            margin: 28px 0;
            color: var(--color-text-secondary);
            font-style: normal;
            border-radius: 0 8px 8px 0;
        }

        .article-content blockquote p {
            margin: 0;
        }

        .article-content img {
            border-radius: var(--radius-card);
            margin: 24px auto;
        }

        .article-content figure {
            margin: 32px auto;
            text-align: center;
        }

        .article-content figcaption {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 8px;
        }

        .article-content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.3s;
        }

        .article-content a:hover {
            color: var(--color-accent);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
            color: var(--color-text-secondary);
        }

        .article-content table th {
            background: var(--color-surface);
            color: var(--color-text);
            font-weight: 600;
        }

        .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found p {
            font-size: 18px;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }

        /* ============ Related Cards ============ */
        .related-section {
            padding: 60px 0 80px;
            border-top: 1px solid var(--color-border);
            background: var(--color-bg);
        }

        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 36px;
        }

        .related-header h3 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
        }

        .related-header .view-all {
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: color 0.3s;
        }

        .related-header .view-all:hover {
            color: var(--color-accent);
        }

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

        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            clip-path: polygon(0 12px, 12px 0, 100% 0, 100% 100%, 0 100%);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-3px);
            background: var(--color-surface-hover);
            box-shadow: 0 0 0 1px rgba(232, 162, 61, 0.25), var(--shadow-card);
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: color 0.3s;
        }

        .related-card:hover .card-title {
            color: var(--color-accent);
        }

        .card-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .card-time {
            font-size: 12px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-time i {
            font-size: 11px;
            color: var(--color-text-muted);
        }

        .back-link {
            margin-top: 40px;
            text-align: right;
        }

        .back-link a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: color 0.3s, transform 0.3s;
        }

        .back-link a:hover {
            color: var(--color-accent);
        }

        .back-link a i {
            font-size: 12px;
            transition: transform 0.3s;
        }

        .back-link a:hover i {
            transform: translateX(-4px);
        }

        /* ============ CTA ============ */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 13, 16, 0.92) 0%, rgba(12, 13, 16, 0.75) 100%);
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .cta-section .cta-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            max-width: 480px;
            margin: 0 auto 12px;
            gap: 12px;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            color: var(--color-text);
            font-size: 14px;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(215, 38, 61, 0.15);
        }

        .subscribe-form input[type="email"].error {
            border-color: var(--color-error);
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
        }

        .subscribe-form .btn {
            white-space: nowrap;
            flex-shrink: 0;
        }

        .form-msg {
            font-size: 13px;
            color: var(--color-success);
            min-height: 20px;
            margin-top: 8px;
        }

        .form-msg.error {
            color: var(--color-error);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
        }

        .site-footer .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .site-footer .logo-mark {
            width: 22px;
            height: 22px;
        }

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

        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: color 0.3s;
        }

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

        .footer-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .related-card:last-child {
                grid-column: span 2;
            }

            section {
                padding: 64px 0;
            }
        }

        @media (max-width: 640px) {
            :root {
                --space-section: var(--space-section-mobile);
            }

            .container {
                padding: 0 16px;
            }

            section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .site-header {
                height: auto;
                padding: 10px 0;
            }

            .header-inner {
                flex-wrap: wrap;
                position: relative;
            }

            .logo {
                font-size: 16px;
            }

            .logo-mark {
                width: 22px;
                height: 22px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: rgba(12, 13, 16, 0.98);
                border: 1px solid var(--color-border);
                border-radius: 8px;
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                z-index: 99;
                box-shadow: var(--shadow-card);
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                padding: 12px 16px;
                font-size: 15px;
            }

            .nav-cta {
                margin-left: auto;
                padding: 10px 18px;
                font-size: 13px;
            }

            .hamburger {
                display: flex;
            }

            .breadcrumb-section {
                padding: 20px 0 0;
            }

            .article-header h1 {
                font-size: 26px;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-content {
                font-size: 16px;
                line-height: 1.8;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .related-card:last-child {
                grid-column: auto;
            }

            .card-body {
                padding: 20px;
            }

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

            .cta-section h2 {
                font-size: 24px;
            }

            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }

            .subscribe-form .btn {
                width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 6px;
            }
        }

        @media (min-width: 641px) and (max-width: 1024px) {
            section {
                padding: 64px 0;
            }

            .article-header h1 {
                font-size: 30px;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg: #0C0D10;
            --color-surface: #15171C;
            --color-surface-hover: #1A1D24;
            --color-primary: #D7263D;
            --color-primary-hover: #F03A55;
            --color-accent: #E8A23D;
            --color-text: #F2F3F5;
            --color-text-secondary: #9CA3AF;
            --color-text-muted: #6B7280;
            --color-border: #262A33;
            --color-success: #2ECC71;
            --color-error: #E74C3C;
            --radius-btn: 4px;
            --radius-card: 8px;
            --shadow-card: 0 12px 24px -6px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s ease;
        }

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

        html,
        body {
            margin: 0;
            padding: 0;
            font-family: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.75;
            background: var(--color-bg);
            color: var(--color-text);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(12, 13, 16, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-border);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            letter-spacing: 1px;
        }

        .logo-mark {
            width: 28px;
            height: 28px;
            background: var(--color-primary);
            clip-path: polygon(0 6px, 6px 0, 100% 0, 100% 100%, 0 100%);
            display: inline-block;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0 auto;
        }

        .nav-link {
            font-size: 14px;
            color: var(--color-text-secondary);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--color-text);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--color-text);
        }

        .nav-link.active::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 5px;
            background: var(--color-primary);
            border-radius: 50%;
            margin-right: 6px;
            vertical-align: middle;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }

        .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);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text);
            border-color: var(--color-border);
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(232, 162, 61, 0.06);
        }

        .nav-cta {
            padding: 10px 20px;
            font-size: 14px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0 10px;
        }

        .hamburger span {
            display: block;
            height: 2px;
            width: 24px;
            background: var(--color-text);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

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

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Page Hero / Banner ===== */
        .page-hero {
            background: linear-gradient(rgba(12, 13, 16, 0.85), rgba(12, 13, 16, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 52px 0 48px;
            text-align: center;
            border-bottom: 1px solid var(--color-border);
            position: relative;
        }

        .page-hero .hero-tag {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 2px;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .page-hero h1 {
            margin: 0 0 12px;
            font-size: 44px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 2px;
            line-height: 1.3;
        }

        .page-hero .hero-sub {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.75;
        }

        /* ===== Section Base ===== */
        .section {
            padding: 80px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head .section-tag {
            font-size: 12px;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            font-weight: 600;
            margin-bottom: 10px;
            display: inline-block;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .section-head p {
            font-size: 14px;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.75;
        }

        /* ===== Report Cards ===== */
        .report-section {
            background: var(--color-bg);
        }

        .report-card {
            background: var(--color-surface);
            border-radius: 0 8px 8px 8px;
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: var(--transition);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .report-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 0;
            border-top: 16px solid var(--color-bg);
            border-right: 16px solid transparent;
            z-index: 2;
        }

        .report-card:hover {
            background: var(--color-surface-hover);
            border-color: rgba(232, 162, 61, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .report-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid var(--color-border);
        }

        .report-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .report-card .card-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-primary);
            background: rgba(215, 38, 61, 0.12);
            padding: 3px 8px;
            border-radius: 2px;
            align-self: flex-start;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .report-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.5;
        }

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

        .report-card .card-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .report-card .card-meta a {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 600;
        }

        .report-card .card-meta a:hover {
            color: var(--color-primary-hover);
        }

        /* ===== Feature Strip ===== */
        .feature-strip {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .feature-item {
            text-align: center;
            padding: 32px 16px;
            border-left: 3px solid var(--color-primary);
            background: rgba(255, 255, 255, 0.02);
            transition: var(--transition);
        }

        .feature-item:hover {
            border-left-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.04);
        }

        .feature-item i {
            font-size: 28px;
            color: var(--color-accent);
            margin-bottom: 14px;
            display: block;
        }

        .feature-item h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .feature-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== FAQ Section ===== */
        .faq-section .section-head {
            margin-bottom: 36px;
        }

        .accordion {
            max-width: 840px;
            margin: 0 auto;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            overflow: hidden;
            background: var(--color-surface);
        }

        .accordion-item {
            border-bottom: 1px solid var(--color-border);
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            color: var(--color-text);
            font-weight: 600;
            background: transparent;
            transition: var(--transition);
            user-select: none;
        }

        .accordion-header:hover {
            color: var(--color-primary);
        }

        .accordion-header .icon {
            font-size: 20px;
            font-weight: 400;
            color: var(--color-text-secondary);
            transition: var(--transition);
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }

        .accordion-item.active .accordion-header .icon {
            color: var(--color-primary);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .accordion-item.active .accordion-content {
            padding-bottom: 20px;
        }

        .accordion-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(rgba(12, 13, 16, 0.82), rgba(12, 13, 16, 0.86)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 80px 0;
            text-align: center;
            border-top: 1px solid var(--color-border);
        }

        .cta-section .cta-tag {
            font-size: 12px;
            color: var(--color-accent);
            letter-spacing: 2px;
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 12px;
            display: block;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 auto 14px;
            max-width: 560px;
            line-height: 1.4;
        }

        .cta-section p {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.75;
        }

        .cta-section .btn {
            font-size: 15px;
            padding: 14px 36px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 24px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 360px;
            margin-bottom: 0;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
            padding-left: 20px;
            border-left: 1px solid var(--color-border);
        }

        .footer-links h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 4px 0;
        }

        .footer-links a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            margin-top: 40px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom span {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .report-card .card-img {
                height: 180px;
            }

            .feature-item {
                padding: 24px 12px;
            }
        }

        @media screen and (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .site-header {
                height: 64px;
            }

            .hamburger {
                display: flex;
                margin-left: auto;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(12, 13, 16, 0.98);
                flex-direction: column;
                gap: 20px;
                padding: 24px 20px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                opacity: 0;
                visibility: hidden;
                z-index: 99;
                margin: 0;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .main-nav .nav-link {
                font-size: 16px;
                padding: 10px 0;
                width: 100%;
                text-align: center;
            }

            .nav-cta {
                display: none;
            }

            /* 移动端也保留一个底部可见CTA */
            .main-nav .btn-nav-mobile {
                display: block;
                margin-top: 12px;
                width: 100%;
            }

            .page-hero {
                padding: 40px 0 36px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero .hero-sub {
                font-size: 14px;
                padding: 0 12px;
            }

            .section {
                padding: 48px 0;
            }

            .section-head {
                margin-bottom: 32px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .report-card .card-img {
                height: 200px;
            }

            .feature-strip .feature-item {
                border-left: none;
                border-top: 3px solid var(--color-primary);
                margin-bottom: 16px;
            }

            .feature-strip .feature-item:hover {
                border-top-color: var(--color-accent);
            }

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

            .cta-section h2 {
                font-size: 24px;
            }

            .footer-links {
                border-left: none;
                padding-left: 0;
                margin-top: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .logo {
                font-size: 18px;
            }

            .logo-mark {
                width: 22px;
                height: 22px;
            }

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

            .accordion-header {
                padding: 16px 18px;
                font-size: 15px;
            }

            .accordion-content {
                padding: 0 18px;
            }

            .report-card .card-img {
                height: 180px;
            }

            .report-card .card-body {
                padding: 18px;
            }

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

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --color-bg: #0C0D10;
            --color-surface: #15171C;
            --color-surface-hover: #1A1D24;
            --color-primary: #D7263D;
            --color-primary-hover: #F03A55;
            --color-accent: #E8A23D;
            --color-text: #F2F3F5;
            --color-text-secondary: #9CA3AF;
            --color-text-muted: #6B7280;
            --color-border: #262A33;
            --color-success: #2ECC71;
            --color-error: #E74C3C;
            --radius-card: 8px;
            --radius-btn: 4px;
            --cut-corner: 12px;
            --shadow-card: 0 12px 24px -6px rgba(0, 0, 0, 0.5);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        /* ===== 通用容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        @media screen and (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: none;
            text-align: center;
            min-height: 44px;
        }

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

        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(215, 38, 61, 0.3);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-border);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #0C0D10;
        }

        .btn-accent:hover {
            background-color: #f5b958;
            color: #0C0D10;
            transform: translateY(-2px);
        }

        /* ===== Logo 标记 ===== */
        .logo-mark {
            display: inline-block;
            width: 18px;
            height: 18px;
            margin-right: 6px;
            background: var(--color-primary);
            clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
            vertical-align: middle;
        }

        .logo-mark::after {
            content: '';
            display: block;
            width: 8px;
            height: 8px;
            margin: 5px 0 0 5px;
            background: var(--color-accent);
            clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(12, 13, 16, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .site-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 4px;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--color-text);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
        }

        .main-nav .nav-link {
            font-size: 14px;
            color: var(--color-text-secondary);
            font-weight: 500;
            position: relative;
            padding: 6px 2px;
            transition: color var(--transition-fast);
            line-height: 1.4;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
        }

        .main-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width var(--transition-normal);
        }

        .main-nav .nav-link:hover {
            color: var(--color-text);
        }

        .main-nav .nav-link:hover::after {
            width: 100%;
        }

        .main-nav .nav-link.active {
            color: var(--color-text);
            font-weight: 600;
        }

        .main-nav .nav-link.active::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--color-primary);
            border-radius: 50%;
            margin-right: 6px;
            vertical-align: middle;
        }

        .nav-cta {
            margin-left: 16px;
            padding: 10px 24px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-normal);
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(215, 38, 61, 0.3);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* 汉堡菜单 */
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 24px;
            cursor: pointer;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            transition: background var(--transition-fast);
        }

        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* 移动端导航抽屉 */
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: var(--color-surface);
            z-index: 1100;
            transition: right var(--transition-normal);
            padding: 80px 24px 40px;
            display: flex;
            flex-direction: column;
            border-left: 1px solid var(--color-border);
            box-shadow: -8px 0 24px rgba(0, 0, 0, 0.4);
        }

        .mobile-nav.open {
            right: 0;
        }

        .mobile-nav .nav-link {
            font-size: 16px;
            color: var(--color-text-secondary);
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            display: block;
            transition: color var(--transition-fast);
        }

        .mobile-nav .nav-link:hover,
        .mobile-nav .nav-link.active {
            color: var(--color-primary);
        }

        .mobile-nav .nav-cta {
            margin-top: 24px;
            width: 100%;
            text-align: center;
        }

        .mobile-nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1050;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-normal);
        }

        .mobile-nav-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-nav-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 20px;
            cursor: pointer;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            transition: background var(--transition-fast);
        }

        .mobile-nav-close:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 24px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .footer-logo:hover {
            color: var(--color-text);
        }

        .footer-desc {
            margin-top: 12px;
            font-size: 14px;
            line-height: 1.6;
            color: var(--color-text-secondary);
            max-width: 360px;
        }

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

        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

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

        @media screen and (max-width: 640px) {
            .footer-links {
                align-items: flex-start;
                margin-top: 24px;
            }

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

        /* ===== 分类页 Banner ===== */
        .page-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 64px;
            text-align: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 13, 16, 0.7) 0%, rgba(12, 13, 16, 0.9) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(232, 162, 61, 0.12);
            border: 1px solid rgba(232, 162, 61, 0.3);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .page-banner h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .page-banner .banner-sub {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media screen and (max-width: 640px) {
            .page-banner {
                padding: 48px 0 40px;
            }

            .page-banner h1 {
                font-size: 28px;
            }

            .page-banner .banner-sub {
                font-size: 14px;
            }
        }

        /* ===== 分类内容卡 ===== */
        .category-section {
            padding: 80px 0;
        }

        @media screen and (max-width: 640px) {
            .category-section {
                padding: 48px 0;
            }
        }

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

        .category-section .section-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 8px;
            display: inline-block;
        }

        .category-section .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
        }

        @media screen and (max-width: 640px) {
            .category-section .section-header h2 {
                font-size: 24px;
            }
        }

        .cat-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
            clip-path: polygon(0 12px, 12px 0, 100% 0, 100% 100%, 0 100%);
            border-radius: 8px;
        }

        .cat-card:hover {
            background: var(--color-surface-hover);
            border-color: var(--color-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

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

        .cat-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .cat-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(12, 13, 16, 0.5) 100%);
        }

        .cat-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .cat-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.4;
        }

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

        .cat-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            transition: color var(--transition-fast);
            min-height: 44px;
        }

        .cat-card-link i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

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

        .cat-card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 数据亮点 ===== */
        .data-highlight {
            padding: 48px 0;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .data-item {
            text-align: center;
            padding: 24px 16px;
        }

        .data-item .data-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .data-item .data-label {
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        @media screen and (max-width: 640px) {
            .data-item .data-number {
                font-size: 32px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
        }

        @media screen and (max-width: 640px) {
            .faq-section {
                padding: 48px 0;
            }
        }

        .faq-section .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .faq-section .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
        }

        .faq-section .section-header .section-tag {
            margin-bottom: 8px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }

        .faq-item:first-of-type {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            transition: color var(--transition-fast);
            min-height: 44px;
            width: 100%;
            background: none;
            border: none;
            text-align: left;
        }

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

        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--color-primary);
            flex-shrink: 0;
            width: 24px;
            text-align: center;
            transition: transform var(--transition-normal);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

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

        .faq-answer-inner {
            padding: 0 0 20px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
        }

        /* ===== CTA 通栏 ===== */
        .cta-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 72px 0;
            text-align: center;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 13, 16, 0.85) 0%, rgba(215, 38, 61, 0.4) 100%);
        }

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

        .cta-banner h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 480px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }

        .cta-banner .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media screen and (max-width: 640px) {
            .cta-banner {
                padding: 48px 0;
            }

            .cta-banner h2 {
                font-size: 24px;
            }

            .cta-banner p {
                font-size: 14px;
            }

            .cta-banner .btn-group {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }

            .cta-banner .btn-group .btn {
                width: 100%;
                max-width: 260px;
            }
        }

        /* ===== 内容占位 ===== */
        .content-placeholder {
            font-size: 14px;
            color: var(--color-text-muted);
            text-align: center;
            padding: 40px 0;
        }

        /* ===== 响应式导航断点 ===== */
        @media screen and (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }
        }

        @media screen and (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .hamburger-btn {
                display: flex;
            }

            .header-right {
                gap: 8px;
            }

            .nav-cta {
                display: none;
            }

            .mobile-nav .nav-cta {
                display: inline-flex;
            }
        }

        @media screen and (min-width: 769px) {
            .mobile-nav,
            .mobile-nav-overlay,
            .mobile-nav-close {
                display: none;
            }
        }

/* roulang page: category3 */
:root {
            --color-bg: #0C0D10;
            --color-surface: #15171C;
            --color-surface-hover: #1A1D24;
            --color-primary: #D7263D;
            --color-primary-hover: #F03A55;
            --color-accent: #E8A23D;
            --color-text: #F2F3F5;
            --color-text-secondary: #9CA3AF;
            --color-text-muted: #6B7280;
            --color-border: #262A33;
            --color-success: #2ECC71;
            --color-error: #E74C3C;
            --font-family: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius-card: 8px;
            --radius-btn: 4px;
            --cut-angle: 12px;
            --shadow-hover: 0 12px 24px -6px rgba(0, 0, 0, 0.5);
            --header-height: 72px;
            --section-space: 80px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            font-size: 16px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

        img {
            max-width: 100%;
            display: block;
            height: auto;
        }

        ul,
        ol,
        li {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            margin: 16px 0 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .section-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 4px 12px;
            border-radius: 2px;
            clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(12, 13, 16, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: opacity 0.3s ease;
        }

        .logo:hover {
            color: var(--color-text);
            opacity: 0.85;
        }

        .logo-mark {
            display: inline-block;
            width: 30px;
            height: 30px;
            background: var(--color-primary);
            clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
            position: relative;
            flex-shrink: 0;
        }

        .logo-mark::after {
            content: '一';
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            position: relative;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-btn);
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }

        .nav-link:hover {
            color: var(--color-text);
        }

        .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-link.active {
            color: var(--color-text);
            font-weight: 600;
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            top: 2px;
            right: 8px;
            width: 6px;
            height: 6px;
            background: var(--color-primary);
            border-radius: 50%;
            animation: pulse 2s ease infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(0.85);
            }
        }

        .nav-cta {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all 0.3s ease;
            box-shadow: 0 4px 14px rgba(215, 38, 61, 0.25);
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(215, 38, 61, 0.35);
        }

        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(215, 38, 61, 0.25);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-btn);
            background: transparent;
            border: 1px solid var(--color-border);
            flex-shrink: 0;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Category Banner ===== */
        .category-banner {
            position: relative;
            padding: 96px 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 13, 16, 0.82) 0%, rgba(12, 13, 16, 0.72) 100%);
            z-index: 1;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
            z-index: 2;
            opacity: 0.7;
        }

        .category-banner .container {
            position: relative;
            z-index: 3;
        }

        .banner-content {
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }

        .banner-badge {
            display: inline-block;
            background: rgba(215, 38, 61, 0.15);
            border: 1px solid rgba(215, 38, 61, 0.45);
            color: #ff8a99;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            padding: 6px 18px;
            border-radius: 2px;
            margin-bottom: 24px;
        }

        .banner-content h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 2px;
            line-height: 1.2;
        }

        .banner-content .banner-subtitle {
            font-size: 18px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .banner-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

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

        .banner-stat .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .banner-stat .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ===== Category Cards ===== */
        .category-cards {
            background: var(--color-bg);
        }

        .content-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
            position: relative;
            clip-path: polygon(0 0, calc(100% - 0px) 0, 100% 0, 100% 100%, 0 100%, 0 0);
        }

        .content-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 0;
            border-top: 12px solid var(--color-bg);
            border-right: 12px solid transparent;
            z-index: 2;
        }

        .content-card:hover {
            background: var(--color-surface-hover);
            border-color: rgba(232, 162, 61, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

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

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

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

        .content-card .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(12, 13, 16, 0.4) 100%);
            pointer-events: none;
        }

        .card-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-tag {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 2px;
            margin-bottom: 14px;
            align-self: flex-start;
            letter-spacing: 0.5px;
        }

        .card-tag.gold {
            background: var(--color-accent);
            color: #1a1408;
        }

        .card-tag.outline {
            background: transparent;
            border: 1px solid rgba(232, 162, 61, 0.5);
            color: var(--color-accent);
        }

        .card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

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

        .card-footer {
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .card-link {
            font-size: 14px;
            color: var(--color-accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.3s ease;
        }

        .card-link:hover {
            color: #f0b95a;
            gap: 10px;
        }

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

        /* ===== Features Section ===== */
        .feature-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .feature-item {
            padding: 32px 24px;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            background: var(--color-bg);
            height: 100%;
            transition: all 0.3s ease;
            position: relative;
        }

        .feature-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 40px;
            background: var(--color-primary);
            border-radius: 0 0 3px 3px;
            transition: background 0.3s ease;
        }

        .feature-item:hover {
            border-color: rgba(232, 162, 61, 0.5);
            transform: translateY(-3px);
        }

        .feature-item:hover::before {
            background: var(--color-accent);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(215, 38, 61, 0.1);
            color: var(--color-primary);
            font-size: 20px;
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }

        .feature-item:hover .feature-icon {
            background: rgba(232, 162, 61, 0.12);
            color: var(--color-accent);
        }

        .feature-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
        }

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

        /* ===== Audience Section ===== */
        .audience-section .audience-image {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 4/3;
            clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
            border: 1px solid var(--color-border);
        }

        .audience-section .audience-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .audience-section .audience-image::after {
            content: '一竞技';
            position: absolute;
            bottom: 16px;
            left: 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 20px;
            font-weight: 800;
            background: rgba(12, 13, 16, 0.55);
            padding: 4px 14px;
            border-radius: 3px;
            letter-spacing: 2px;
        }

        .audience-section .lead-text {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 20px 0 28px;
        }

        .audience-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .audience-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.6;
        }

        .audience-list li i {
            color: var(--color-accent);
            font-size: 14px;
            margin-top: 5px;
            flex-shrink: 0;
        }

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

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            background: transparent;
            border: none;
        }

        .faq-accordion .accordion-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-accordion .accordion-item:hover {
            border-color: rgba(215, 38, 61, 0.3);
        }

        .faq-accordion .accordion-item.is-active {
            border-color: rgba(215, 38, 61, 0.45);
        }

        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            border: none;
            line-height: 1.5;
            transition: color 0.3s ease;
        }

        .faq-accordion .accordion-title:hover {
            color: var(--color-primary);
            background: transparent;
        }

        .faq-accordion .accordion-title::before {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--color-primary);
            order: 2;
            flex-shrink: 0;
            margin-left: 16px;
            transition: transform 0.3s ease;
        }

        .faq-accordion .accordion-item.is-active .accordion-title::before {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-accordion .accordion-content {
            background: transparent;
            border: none;
            padding: 0 28px 24px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-accordion .accordion-content p {
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(12, 13, 16, 0.82);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            background: rgba(21, 23, 28, 0.9);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 14px 18px;
            font-size: 14px;
            color: var(--color-text);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(215, 38, 61, 0.15);
            outline: none;
        }

        .subscribe-form input.input-error {
            border-color: var(--color-error);
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
        }

        .btn-primary {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(215, 38, 61, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(215, 38, 61, 0.4);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-block;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: #fff;
            background: rgba(215, 38, 61, 0.1);
        }

        .form-message {
            margin-top: 16px;
            font-size: 14px;
            min-height: 20px;
            transition: all 0.3s ease;
        }

        .form-message.msg-error {
            color: var(--color-error);
        }

        .form-message.msg-success {
            color: var(--color-success);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 24px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .footer-logo:hover {
            color: var(--color-text);
        }

        .footer-logo .logo-mark {
            width: 26px;
            height: 26px;
        }

        .footer-logo .logo-mark::after {
            font-size: 12px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 340px;
            margin-bottom: 24px;
        }

        .footer-links h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
        }

        .footer-links a {
            display: inline-block;
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 6px 0;
            transition: all 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

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

        /* ===== Mobile Responsive ===== */
        @media screen and (max-width: 1024px) {
            :root {
                --section-space: 64px;
            }

            .main-nav {
                gap: 0;
            }

            .nav-link {
                padding: 10px 12px;
                font-size: 13px;
            }

            .nav-cta {
                padding: 10px 18px;
                font-size: 13px;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: var(--header-height);
            }

            .header-inner {
                flex-wrap: wrap;
                padding: 0 16px;
                position: relative;
            }

            .menu-toggle {
                display: flex;
                order: 3;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: calc(100% + 1px);
                left: 0;
                right: 0;
                background: rgba(12, 13, 16, 0.98);
                border-bottom: 1px solid var(--color-border);
                padding: 20px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
                z-index: 99;
                box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav .nav-link {
                width: 100%;
                font-size: 16px;
                padding: 8px 4px;
                border-bottom: 1px solid var(--color-border);
                border-radius: 0;
            }

            .main-nav .nav-link:last-child {
                border-bottom: none;
            }

            .main-nav .nav-link.active::before {
                right: auto;
                left: 0;
                top: 50%;
                transform: translateY(-50%);
            }

            .nav-cta {
                order: 2;
                margin-left: auto;
            }

            .cta-section .subscribe-form {
                flex-direction: column;
                padding: 0 16px;
            }

            .cta-section .subscribe-form .btn-primary {
                width: 100%;
            }

            .footer-links {
                align-items: flex-start;
                margin-top: 24px;
            }
        }

        @media screen and (max-width: 640px) {
            :root {
                --section-space: 48px;
            }

            .category-banner {
                padding: 64px 0;
            }

            .banner-content h1 {
                font-size: 32px;
            }

            .banner-content .banner-subtitle {
                font-size: 15px;
            }

            .banner-stats {
                gap: 28px;
            }

            .banner-stat .stat-num {
                font-size: 22px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .cta-inner h2 {
                font-size: 24px;
            }

            .subscribe-form input[type="email"],
            .subscribe-form .btn-primary {
                border-radius: var(--radius-btn);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .card-body {
                padding: 20px;
            }

            .faq-accordion .accordion-title {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-accordion .accordion-content {
                padding: 0 20px 18px;
            }
        }

        @media screen and (max-width: 480px) {
            .header-inner {
                padding: 0 12px;
            }

            .logo {
                font-size: 16px;
            }

            .nav-cta {
                padding: 8px 14px;
                font-size: 13px;
            }

            .banner-stats {
                gap: 20px;
                flex-direction: row;
            }

            .banner-stat .stat-num {
                font-size: 20px;
            }

            .banner-stat .stat-label {
                font-size: 12px;
            }
        }