/* roulang page: index */
:root {
            --bg-primary: #060918;
            --bg-secondary: #0d1130;
            --bg-card: #111538;
            --bg-card-hover: #161b45;
            --bg-nav: #080b22;
            --text-primary: #f0f0f5;
            --text-secondary: #b8bdd4;
            --text-muted: #7a80a8;
            --accent-gold: #e8b830;
            --accent-gold-light: #f5d060;
            --accent-neon: #00c8e8;
            --accent-neon-dim: #008fa8;
            --border-subtle: rgba(255, 255, 255, 0.07);
            --border-card: rgba(255, 255, 255, 0.10);
            --border-gold: rgba(232, 184, 48, 0.4);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
            --shadow-neon: 0 0 20px rgba(0, 200, 232, 0.3), 0 0 40px rgba(0, 200, 232, 0.1);
            --shadow-gold: 0 0 18px rgba(232, 184, 48, 0.25);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1280px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-neon);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-nav);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-neon);
            border-bottom: 1px solid rgba(0, 200, 232, 0.2);
        }

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

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #c89420);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #0a0c1a;
            font-weight: 900;
            box-shadow: var(--shadow-gold);
        }
        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent-gold);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .nav-desktop li a {
            display: block;
            padding: 10px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-desktop li a:hover {
            color: #fff;
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-desktop li a.nav-active {
            color: var(--accent-gold);
            font-weight: 700;
            background: rgba(232, 184, 48, 0.08);
            box-shadow: inset 0 -3px 0 var(--accent-gold);
            text-shadow: 0 0 14px rgba(232, 184, 48, 0.5);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            background: linear-gradient(135deg, var(--accent-gold), #c89420);
            color: #0a0c1a !important;
            font-weight: 700;
            border-radius: 30px;
            font-size: 0.9rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(232, 184, 48, 0.3);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 6px 28px rgba(232, 184, 48, 0.5);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #f5cc40, #dca020);
            color: #0a0c1a !important;
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-subtle);
            color: #fff;
            font-size: 1.5rem;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            border-color: var(--accent-neon);
            box-shadow: var(--shadow-neon);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-nav);
            z-index: 999;
            flex-direction: column;
            padding: 24px;
            gap: 6px;
            overflow-y: auto;
            border-top: 1px solid var(--border-subtle);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 18px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .mobile-menu a:hover,
        .mobile-menu a.nav-active {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--border-subtle);
        }
        .mobile-menu a.nav-active {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(232, 184, 48, 0.06);
        }
        .mobile-menu .mobile-cta {
            margin-top: 12px;
            text-align: center;
            background: linear-gradient(135deg, var(--accent-gold), #c89420);
            color: #0a0c1a !important;
            font-weight: 700;
            border-radius: 30px;
            padding: 14px 24px;
            border: none;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--bg-primary);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 9, 24, 0.75) 0%, rgba(6, 9, 24, 0.9) 60%, rgba(6, 9, 24, 0.98) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 80px 24px 70px;
            text-align: center;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            border: 1px solid var(--border-gold);
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--accent-gold);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
            background: rgba(232, 184, 48, 0.06);
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .hero-title .highlight {
            color: var(--accent-gold);
            position: relative;
        }
        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0 auto 28px;
            line-height: 1.8;
            font-weight: 400;
        }
        .hero-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.9;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-gold), #c89420);
            color: #0a0c1a;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 30px;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(232, 184, 48, 0.35);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            box-shadow: 0 8px 32px rgba(232, 184, 48, 0.55);
            transform: translateY(-3px);
            color: #0a0c1a;
        }
        .btn-outline {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 30px;
            letter-spacing: 0.5px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--accent-neon);
            box-shadow: var(--shadow-neon);
            color: #fff;
            background: rgba(0, 200, 232, 0.06);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 70px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            letter-spacing: 2.5px;
            color: var(--accent-gold);
            text-transform: uppercase;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.6rem, 3.5vw, 2.3rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== STATS ========== */
        .stats-section {
            background: var(--bg-secondary);
            position: relative;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        .stats-overlay {
            position: absolute;
            inset: 0;
            background: rgba(13, 17, 48, 0.92);
            z-index: 1;
        }
        .stats-section .container-main {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            border-color: var(--border-gold);
            background: rgba(232, 184, 48, 0.04);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: 1px;
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-sublabel {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== ADVANTAGES ========== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .adv-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .adv-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .adv-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }
        .adv-card:hover::before {
            opacity: 1;
        }
        .adv-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(232, 184, 48, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--accent-gold);
            transition: all var(--transition-smooth);
        }
        .adv-card:hover .adv-icon {
            background: rgba(232, 184, 48, 0.2);
            box-shadow: var(--shadow-gold);
            transform: scale(1.08);
        }
        .adv-card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .adv-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== BRAND STORY ========== */
        .brand-story-section {
            background: var(--bg-primary);
            position: relative;
        }
        .brand-story-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-subtle);
        }
        .brand-story-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            min-height: 380px;
        }
        .brand-story-text h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .brand-story-text .story-highlight {
            color: var(--accent-gold);
        }
        .brand-story-text p {
            color: var(--text-secondary);
            line-height: 1.9;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .brand-story-text .story-quote {
            border-left: 3px solid var(--accent-gold);
            padding-left: 18px;
            color: var(--text-muted);
            font-style: italic;
            font-size: 0.9rem;
            margin-top: 20px;
        }

        /* ========== FOCUS EVENTS ========== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .event-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
        }
        .event-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .event-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .event-card:hover .event-card-img img {
            transform: scale(1.06);
        }
        .event-card-body {
            padding: 20px;
        }
        .event-card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(232, 184, 48, 0.15);
            color: var(--accent-gold);
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        .event-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .event-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .event-card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* ========== PARTNERS ========== */
        .partners-section {
            background: var(--bg-secondary);
        }
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
            align-items: center;
        }
        .partner-item {
            text-align: center;
            padding: 20px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            letter-spacing: 0.5px;
        }
        .partner-item:hover {
            border-color: var(--border-gold);
            color: #fff;
            background: rgba(232, 184, 48, 0.05);
            box-shadow: var(--shadow-sm);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .testimonial-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-sm);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            opacity: 0.5;
            margin-bottom: 10px;
        }
        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 18px;
            padding-top: 14px;
            border-top: 1px solid var(--border-subtle);
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-neon-dim), var(--accent-neon));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            font-size: 0.9rem;
        }
        .testimonial-author strong {
            font-size: 0.9rem;
            color: #fff;
            display: block;
        }
        .testimonial-author span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-primary);
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .accordion-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
            transition: all var(--transition-fast);
        }
        .accordion-item:hover {
            border-color: var(--border-subtle);
        }
        .accordion-title {
            display: block;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            cursor: pointer;
            position: relative;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .accordion-title::after {
            content: '\f107';
            font-family: 'FontAwesome';
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
            transition: transform var(--transition-smooth);
            color: var(--accent-gold);
            font-size: 1.1rem;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
        }
        .accordion-item.is-active {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .accordion-content {
            display: none;
            padding: 0 24px 22px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }
        .accordion-title:hover {
            color: var(--accent-gold);
        }

        /* ========== NEWS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .news-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .news-card-img {
            height: 180px;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }
        .news-card-body {
            padding: 18px 20px;
        }
        .news-date {
            font-size: 0.75rem;
            color: var(--accent-gold);
            letter-spacing: 1px;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .news-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.83rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .news-readmore {
            display: inline-block;
            margin-top: 10px;
            font-size: 0.85rem;
            color: var(--accent-neon);
            font-weight: 600;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .news-readmore:hover {
            color: #fff;
            text-shadow: 0 0 8px rgba(0, 200, 232, 0.6);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-secondary);
            position: relative;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(13, 17, 48, 0.9);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
            padding: 60px 24px;
        }
        .cta-content h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-content p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-nav);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
        }
        .footer-brand .logo-text {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .brand-story-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .brand-story-image {
                order: -1;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-desktop li a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .hero-section {
                min-height: 480px;
            }
            .hero-content {
                padding: 50px 20px 50px;
            }
            .section {
                padding: 48px 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .events-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .partner-item {
                padding: 14px 10px;
                font-size: 0.78rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-story-wrap {
                gap: 24px;
            }
            .brand-story-image img {
                min-height: 240px;
            }
            .cta-content {
                padding: 40px 20px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .container-main {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .hero-section {
                min-height: 400px;
            }
            .hero-content {
                padding: 36px 16px 40px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-desc {
                font-size: 0.82rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .accordion-title {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .accordion-content {
                padding: 0 16px 16px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .footer-grid {
                gap: 18px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --bg-deep: #08080f;
            --bg-surface: #11121c;
            --bg-card: #161725;
            --bg-elevated: #1c1d30;
            --bg-header: #0a0a16;
            --text-primary: #f0f0f5;
            --text-secondary: #b8b8c8;
            --text-muted: #7a7a90;
            --accent-gold: #e8b830;
            --accent-gold-light: #f5d060;
            --accent-neon: #f0c040;
            --accent-neon-glow: rgba(240, 192, 64, 0.35);
            --border-subtle: #252538;
            --border-card: #2a2a3d;
            --border-gold: #4a3a1a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 24px rgba(240, 192, 64, 0.2);
            --shadow-neon: 0 0 18px rgba(240, 192, 64, 0.4);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --header-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        ul {
            list-style: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        /* ============ 容器 ============ */
        .container-main {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        /* ============ Header / 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-header);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

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

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .logo-wrap:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #1a1a0a;
            box-shadow: var(--shadow-glow);
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent-gold);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-desktop li a {
            display: block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .nav-desktop li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            text-shadow: 0 0 8px rgba(240, 192, 64, 0.3);
        }
        .nav-desktop li a.nav-active {
            color: var(--accent-neon);
            background: rgba(240, 192, 64, 0.08);
            box-shadow: inset 0 -2px 0 var(--accent-gold);
            text-shadow: 0 0 10px var(--accent-neon-glow);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 24px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #d4a020 100%);
            color: #1a1a0a !important;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            border: 2px solid transparent;
        }
        .nav-cta-btn:hover {
            box-shadow: var(--shadow-neon);
            transform: translateY(-1px);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .nav-cta-btn:active {
            transform: scale(0.97);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: rgba(240, 192, 64, 0.12);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        @media (max-width: 1024px) {
            .nav-desktop li a {
                padding: 6px 10px;
                font-size: 0.84rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .logo-text {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-desktop {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-header);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-subtle);
                box-shadow: var(--shadow-elevated);
                z-index: 999;
            }
            .nav-desktop.open {
                display: flex;
            }
            .nav-desktop li {
                width: 100%;
            }
            .nav-desktop li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .nav-cta-btn.hide-for-small-only {
                display: none !important;
            }
            .header-inner {
                gap: 12px;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 14px;
            }
            .logo-text {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-desktop {
                padding: 12px 14px;
            }
        }

        /* ============ 板块通用标题 ============ */
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: rgba(240, 192, 64, 0.1);
            color: var(--accent-gold);
            border: 1px solid rgba(240, 192, 64, 0.25);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .section-title span {
            color: var(--accent-gold);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
        }

        /* ============ Hero Banner ============ */
        .hero-banner {
            position: relative;
            padding: 90px 0 80px;
            background: var(--bg-deep);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 8, 15, 0.3) 0%, rgba(8, 8, 15, 0.85) 70%, var(--bg-deep) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-content .section-label {
            margin-bottom: 16px;
            font-size: 0.82rem;
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .hero-content h1 span {
            color: var(--accent-gold);
            text-shadow: 0 0 20px var(--accent-neon-glow);
        }
        .hero-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #c89820 100%);
            color: #1a1a0a;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            border: 2px solid transparent;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
            border-color: rgba(255, 255, 255, 0.3);
            color: #1a1a0a;
        }
        .btn-outline {
            display: inline-block;
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            background: transparent;
            color: #fff;
            border: 2px solid var(--border-card);
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
        }
        .btn-outline:hover {
            border-color: var(--accent-gold);
            background: rgba(240, 192, 64, 0.06);
            color: var(--accent-gold);
            box-shadow: 0 0 12px rgba(240, 192, 64, 0.15);
        }

        @media (max-width: 768px) {
            .hero-banner {
                padding: 56px 0 48px;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content p {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 11px 24px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
            }
        }

        /* ============ 卡片通用 ============ */
        .card-dark {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .card-dark:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-elevated), 0 0 18px rgba(240, 192, 64, 0.08);
            transform: translateY(-3px);
        }
        .card-dark .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(240, 192, 64, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .card-dark h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .card-dark p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ============ 数据指标卡片 ============ */
        .stat-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .stat-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-elevated);
            transform: translateY(-2px);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: 1px;
            line-height: 1.1;
            text-shadow: 0 0 12px var(--accent-neon-glow);
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }
        .stat-card .stat-sub {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ============ 图文区块 ============ */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-block .media-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-elevated);
            border: 1px solid var(--border-card);
        }
        .media-block .media-img img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-xl);
        }
        .media-block .media-text h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .media-block .media-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        @media (max-width: 768px) {
            .media-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .media-block .media-text h2 {
                font-size: 1.35rem;
            }
        }

        /* ============ 赔率表格样式 ============ */
        .odds-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
        }
        .odds-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
            background: var(--bg-card);
        }
        .odds-table thead th {
            background: var(--bg-elevated);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 2px solid var(--border-gold);
            white-space: nowrap;
            letter-spacing: 0.4px;
        }
        .odds-table tbody td {
            padding: 12px 16px;
            font-size: 0.9rem;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-subtle);
            white-space: nowrap;
        }
        .odds-table tbody tr {
            transition: background var(--transition-fast);
        }
        .odds-table tbody tr:hover {
            background: rgba(240, 192, 64, 0.04);
        }
        .trend-up {
            color: #4cdf80;
            font-weight: 600;
        }
        .trend-down {
            color: #e85050;
            font-weight: 600;
        }
        .trend-stable {
            color: #aab;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            color: var(--accent-gold);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--bg-elevated);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            box-shadow: var(--shadow-elevated);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 160%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(240, 192, 64, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 14px 34px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 10px;
        }
        .footer-brand .logo-text {
            font-size: 1.2rem;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
        }

        /* ============ 辅助工具类 ============ */
        .text-gold {
            color: var(--accent-gold);
        }
        .text-center {
            text-align: center;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .gap-16 {
            gap: 16px;
        }
        .gap-20 {
            gap: 20px;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media (max-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ============ 高亮标签 ============ */
        .badge-gold {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(240, 192, 64, 0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(240, 192, 64, 0.3);
            letter-spacing: 0.4px;
        }
        .badge-green {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(76, 223, 128, 0.12);
            color: #4cdf80;
            border: 1px solid rgba(76, 223, 128, 0.25);
        }

/* roulang page: category2 */
:root {
            --primary-deep: #0a0a16;
            --primary-nav: #0d0d1c;
            --accent-neon: #f0b840;
            --accent-neon-glow: rgba(240, 184, 64, 0.55);
            --accent-gold: #f0b840;
            --accent-blue: #3b82f6;
            --accent-blue-light: #60a5fa;
            --surface-white: #ffffff;
            --surface-light: #f7f8fb;
            --surface-card: #fafbfd;
            --surface-dark: #12121f;
            --text-primary: #1a1a2e;
            --text-secondary: #4b5563;
            --text-weak: #7c8798;
            --text-on-dark: #e8e8f0;
            --text-on-dark-weak: #a0a4b8;
            --border-light: #e5e7ef;
            --border-card: #e8eaf0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.11);
            --shadow-neon: 0 0 18px rgba(240, 184, 64, 0.35);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
            --max-width: 1240px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--surface-light);
            min-height: 100vh;
            -webkit-tap-highlight-color: transparent;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            padding: 0;
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        p {
            margin: 0 0 1em;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary-nav);
            border-bottom: 2px solid transparent;
            border-image: linear-gradient(90deg, transparent 5%, var(--accent-neon) 25%, var(--accent-neon) 75%, transparent 95%) 1;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

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

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            transition: transform var(--transition-fast);
        }
        .logo-wrap:hover {
            transform: scale(1.03);
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-neon), #e09e20);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #0a0a16;
            box-shadow: var(--shadow-neon);
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #ffffff;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent-neon);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-desktop li a {
            display: block;
            padding: 10px 15px;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #c4c7d4;
            transition: all var(--transition-smooth);
            position: relative;
            white-space: nowrap;
        }
        .nav-desktop li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-desktop li a.nav-active {
            color: var(--accent-neon);
            font-weight: 700;
            text-shadow: 0 0 14px var(--accent-neon-glow);
            background: rgba(240, 184, 64, 0.08);
        }
        .nav-desktop li a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 15px;
            right: 15px;
            height: 2px;
            background: var(--accent-neon);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--accent-neon-glow);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--accent-neon), #e09e20);
            color: #0a0a16;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(240, 184, 64, 0.3);
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 6px 22px rgba(240, 184, 64, 0.5);
            transform: translateY(-2px);
            color: #0a0a16;
        }

        .nav-toggle {
            display: none;
            font-size: 26px;
            color: #ffffff;
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 2px;
            }
            .nav-desktop li a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .logo-text {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--primary-nav);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 2px solid var(--accent-neon);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
                z-index: 999;
            }
            .nav-desktop.open {
                display: flex;
            }
            .nav-desktop li a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 8px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta-btn {
                display: none;
            }
            .hide-for-small-only {
                display: none !important;
            }
        }

        @media (min-width: 769px) {
            .hide-for-small-only {
                display: inline-block;
            }
            .nav-desktop {
                display: flex !important;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: var(--primary-deep);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            min-height: 380px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 22, 0.82) 0%, rgba(10, 10, 22, 0.65) 60%, rgba(10, 10, 22, 0.88) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--surface-light), transparent);
            z-index: 2;
        }
        .banner-content {
            position: relative;
            z-index: 3;
            max-width: 780px;
        }
        .banner-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(240, 184, 64, 0.15);
            color: var(--accent-neon);
            border: 1px solid rgba(240, 184, 64, 0.35);
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .banner-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 1px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
        }
        .banner-content h1 span {
            color: var(--accent-neon);
        }
        .banner-desc {
            font-size: 1.15rem;
            color: #d0d3e0;
            line-height: 1.75;
            margin-bottom: 20px;
            max-width: 620px;
        }
        .banner-stats-row {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #c8ccdb;
            font-size: 0.95rem;
        }
        .banner-stat-item i {
            color: var(--accent-neon);
            font-size: 1.1rem;
        }
        .banner-stat-item strong {
            color: #ffffff;
            font-size: 1.3rem;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 300px;
                padding: 40px 0;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
            .banner-desc {
                font-size: 1rem;
            }
            .banner-stats-row {
                gap: 16px;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: 60px 0;
        }
        .section-block-alt {
            padding: 60px 0;
            background: var(--surface-white);
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-header .accent-line {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--accent-neon);
            border-radius: 3px;
            margin-bottom: 14px;
        }

        /* ========== SKILL CARDS GRID ========== */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .skill-card {
            background: var(--surface-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .skill-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: #d8dce6;
        }
        .skill-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-neon), var(--accent-blue-light));
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .skill-card:hover::before {
            opacity: 1;
        }
        .skill-card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background: rgba(240, 184, 64, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent-neon);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .skill-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .skill-card p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }
        .skill-card .skill-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: #f0f4ff;
            color: var(--accent-blue);
            align-self: flex-start;
        }
        .skill-card-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            height: 160px;
        }
        .skill-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .skill-card:hover .skill-card-img img {
            transform: scale(1.04);
        }

        @media (max-width: 1024px) {
            .skills-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            .skills-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .skill-card {
                padding: 22px 18px;
            }
            .skill-card-img {
                height: 140px;
            }
        }

        /* ========== DETAILED SKILLS ========== */
        .detail-skill-row {
            display: flex;
            gap: 40px;
            align-items: center;
            margin-bottom: 44px;
            background: var(--surface-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }
        .detail-skill-row:hover {
            box-shadow: var(--shadow-md);
        }
        .detail-skill-row.reverse {
            flex-direction: row-reverse;
        }
        .detail-skill-text {
            flex: 1;
            min-width: 0;
        }
        .detail-skill-text .detail-num {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(240, 184, 64, 0.2);
            line-height: 1;
            margin-bottom: 6px;
        }
        .detail-skill-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .detail-skill-text p {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .detail-skill-img {
            flex: 0 0 260px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .detail-skill-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .detail-skill-text .highlight-tip {
            display: inline-block;
            margin-top: 10px;
            padding: 6px 14px;
            border-radius: 16px;
            font-size: 0.85rem;
            font-weight: 600;
            background: #fff8e7;
            color: #b07818;
            border: 1px solid #f0d78c;
        }

        @media (max-width: 768px) {
            .detail-skill-row,
            .detail-skill-row.reverse {
                flex-direction: column;
                gap: 20px;
                padding: 20px;
            }
            .detail-skill-img {
                flex: 0 0 auto;
                width: 100%;
            }
            .detail-skill-img img {
                height: 180px;
            }
            .detail-skill-text .detail-num {
                font-size: 2.4rem;
            }
            .detail-skill-text h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== STRATEGY LIST ========== */
        .strategy-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .strategy-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--surface-white);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-card);
            transition: all var(--transition-fast);
        }
        .strategy-item:hover {
            border-color: #d0d4df;
            box-shadow: var(--shadow-sm);
        }
        .strategy-check {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #e8f5e9;
            color: #2e7d32;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }
        .strategy-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .strategy-info p {
            font-size: 0.88rem;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.55;
        }

        @media (max-width: 640px) {
            .strategy-list {
                grid-template-columns: 1fr;
            }
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--surface-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-icon {
            font-size: 32px;
            color: var(--accent-neon);
            margin-bottom: 10px;
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-weak);
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--border-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #d0d4df;
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            user-select: none;
            background: var(--surface-white);
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fafbfd;
        }
        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--accent-neon);
            font-size: 1rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #fafbfd;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary-deep);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 60px 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 10, 22, 0.85);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: #c8ccdb;
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .cta-btn-large {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            background: linear-gradient(135deg, var(--accent-neon), #e09e20);
            color: #0a0a16;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(240, 184, 64, 0.4);
            letter-spacing: 0.5px;
        }
        .cta-btn-large:hover {
            box-shadow: 0 10px 30px rgba(240, 184, 64, 0.6);
            transform: translateY(-3px);
            color: #0a0a16;
        }
        @media (max-width: 640px) {
            .cta-content h2 {
                font-size: 1.5rem;
            }
            .cta-btn-large {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-deep);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            border-top: 3px solid var(--accent-neon);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 30px;
        }
        .footer-brand .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: #ffffff;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-on-dark-weak);
            line-height: 1.65;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent-neon);
            border-radius: 2px;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            color: var(--text-on-dark-weak);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-neon);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.83rem;
            color: var(--text-on-dark-weak);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: auto;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--accent-neon);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-2 {
            margin-top: 8px;
        }
        @media (max-width: 520px) {
            .section-block,
            .section-block-alt {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary-dark: #0a0e17;
            --primary-darker: #060910;
            --accent-neon: #f0b830;
            --accent-neon-bright: #ffcc44;
            --accent-gold: #d4a030;
            --text-light: #e8e9ec;
            --text-muted: #9aa0b0;
            --text-dark: #1a1d25;
            --text-body: #3a3d45;
            --text-weak: #6b6f7a;
            --bg-white: #ffffff;
            --bg-light: #f7f8fa;
            --bg-card: #ffffff;
            --bg-section-alt: #f0f2f6;
            --border-light: #e2e5ea;
            --border-medium: #d0d4db;
            --shadow-sm: 0 1px 3px rgba(10, 14, 23, 0.06);
            --shadow-md: 0 4px 16px rgba(10, 14, 23, 0.1);
            --shadow-lg: 0 8px 32px rgba(10, 14, 23, 0.14);
            --shadow-neon: 0 0 18px rgba(240, 184, 48, 0.35), 0 0 40px rgba(240, 184, 48, 0.15);
            --shadow-neon-sm: 0 0 10px rgba(240, 184, 48, 0.25);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-white);
            min-height: 100vh;
        }

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

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

        a:focus {
            outline: 2px solid var(--accent-neon);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button:focus {
            outline: 2px solid var(--accent-neon);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
        }

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

        /* ============ HEADER - 暗色霓虹导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary-dark);
            border-bottom: 2px solid transparent;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
            transition: border-bottom-color var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent 0%, var(--accent-neon) 25%, var(--accent-neon-bright) 50%, var(--accent-neon) 75%, transparent 100%);
            opacity: 0.85;
            pointer-events: none;
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }

        .logo-wrap:hover {
            opacity: 0.88;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-gold));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-size: 20px;
            box-shadow: var(--shadow-neon-sm);
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--accent-neon);
        }

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

        .nav-desktop li {
            position: relative;
        }

        .nav-desktop a {
            display: block;
            padding: 8px 15px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast), text-shadow var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            position: relative;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--accent-neon);
            border-radius: 1px;
            transition: transform var(--transition-base);
        }

        .nav-desktop a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
            text-shadow: 0 0 10px rgba(240, 184, 48, 0.3);
        }

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

        .nav-desktop a.nav-active {
            color: var(--accent-neon-bright);
            font-weight: 700;
            text-shadow: 0 0 14px rgba(240, 184, 48, 0.5), 0 0 28px rgba(240, 184, 48, 0.2);
            background: rgba(240, 184, 48, 0.07);
        }

        .nav-desktop a.nav-active::after {
            transform: translateX(-50%) scaleX(1);
            height: 2.5px;
            background: var(--accent-neon-bright);
            box-shadow: 0 0 10px rgba(240, 184, 48, 0.6);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary-dark);
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-gold));
            border-radius: 50px;
            box-shadow: var(--shadow-neon-sm);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            box-shadow: var(--shadow-neon);
            transform: translateY(-1px);
            color: var(--primary-darker);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: var(--shadow-neon-sm);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.4rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-neon);
            border-color: rgba(240, 184, 48, 0.4);
        }

        /* ============ BANNER ============ */
        .page-banner {
            position: relative;
            background: var(--primary-dark) url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 23, 0.82) 0%, rgba(10, 14, 23, 0.7) 60%, rgba(10, 14, 23, 0.88) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-neon), var(--accent-neon-bright), var(--accent-neon), transparent);
            z-index: 2;
            opacity: 0.75;
        }

        .banner-content {
            position: relative;
            z-index: 3;
            text-align: center;
            padding: 60px 20px 50px;
            max-width: 780px;
            margin: 0 auto;
        }

        .banner-content .banner-badge {
            display: inline-block;
            padding: 6px 18px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-neon);
            background: rgba(240, 184, 48, 0.1);
            border: 1px solid rgba(240, 184, 48, 0.3);
            border-radius: 50px;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }

        .banner-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .banner-content h1 span {
            color: var(--accent-neon-bright);
        }

        .banner-content .banner-subtitle {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            font-weight: 400;
        }

        .banner-content .banner-desc {
            font-size: 0.98rem;
            color: #bcc0c8;
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.75;
        }

        /* ============ 板块通用 ============ */
        .section-block {
            padding: 60px 0;
        }

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

        .section-block.section-dark {
            background: var(--primary-dark);
            color: var(--text-light);
        }

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

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-dark .section-header h2 {
            color: #ffffff;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-weak);
            max-width: 550px;
            margin: 0 auto;
        }

        .section-dark .section-header .section-subtitle {
            color: var(--text-muted);
        }

        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--accent-neon);
            border-radius: 2px;
            margin: 14px auto 0;
        }

        /* ============ 卡片通用 ============ */
        .card-base {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            overflow: hidden;
            height: 100%;
        }

        .card-base:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-medium);
        }

        .card-base .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef0f4;
        }

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

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

        .card-base .card-img-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            padding: 5px 12px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary-dark);
            background: var(--accent-neon);
            border-radius: 50px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .card-base .card-body {
            padding: 22px 20px 24px;
        }

        .card-base .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-base .card-body p {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.65;
            margin: 0;
        }

        /* ============ 数据指标卡片 ============ */
        .data-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .data-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--accent-neon);
            border-radius: 0 0 3px 3px;
            transition: width var(--transition-base);
        }

        .data-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-medium);
        }

        .data-card:hover::before {
            width: 60%;
        }

        .data-card .data-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(240, 184, 48, 0.12), rgba(212, 160, 48, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--accent-gold);
            transition: all var(--transition-base);
        }

        .data-card:hover .data-icon {
            box-shadow: var(--shadow-neon-sm);
            background: linear-gradient(135deg, rgba(240, 184, 48, 0.2), rgba(212, 160, 48, 0.14));
        }

        .data-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .data-card p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* ============ 统计数字 ============ */
        .stat-item {
            text-align: center;
            padding: 20px 10px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-neon);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            line-height: 1;
            text-shadow: 0 0 20px rgba(240, 184, 48, 0.3);
        }

        .stat-number .stat-plus {
            font-size: 1.6rem;
            vertical-align: super;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ============ 方法步骤 ============ */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 22px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
        }

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-dark);
            color: var(--accent-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-neon-sm);
        }

        .step-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

        .step-info p {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(240, 184, 48, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--accent-gold);
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--accent-neon);
            color: var(--primary-dark);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ CTA ============ */
        .cta-block {
            text-align: center;
            padding: 50px 20px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, #111820 100%);
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(240, 184, 48, 0.15);
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(240, 184, 48, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-block h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffffff;
            position: relative;
            z-index: 1;
            margin-bottom: 10px;
        }

        .cta-block p {
            font-size: 1rem;
            color: var(--text-muted);
            position: relative;
            z-index: 1;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary-dark);
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-gold));
            border-radius: 50px;
            box-shadow: var(--shadow-neon-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            position: relative;
            z-index: 1;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
            color: var(--primary-darker);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-neon-sm);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--accent-neon);
            background: transparent;
            border: 2px solid var(--accent-neon);
            border-radius: 50px;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(240, 184, 48, 0.08);
            box-shadow: var(--shadow-neon-sm);
            color: var(--accent-neon-bright);
            border-color: var(--accent-neon-bright);
        }

        /* ============ 标签 ============ */
        .tag {
            display: inline-block;
            padding: 5px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 50px;
            letter-spacing: 0.03em;
        }

        .tag-gold {
            background: rgba(240, 184, 48, 0.12);
            color: var(--accent-gold);
            border: 1px solid rgba(240, 184, 48, 0.25);
        }

        .tag-dark {
            background: rgba(10, 14, 23, 0.06);
            color: var(--text-dark);
            border: 1px solid rgba(10, 14, 23, 0.12);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--primary-darker);
            color: var(--text-muted);
            padding: 50px 0 30px;
            border-top: 2px solid rgba(240, 184, 48, 0.2);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-brand .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-light);
            display: block;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-neon);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ 分隔线 ============ */
        .divider-line {
            height: 1px;
            background: var(--border-light);
            margin: 0;
        }

        /* ============ 响应式 ============ */
        @media screen and (max-width: 1024px) {
            .nav-desktop a {
                padding: 7px 10px;
                font-size: 0.84rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .header-inner {
                gap: 10px;
            }
            .banner-content h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-block {
                padding: 44px 0;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-desktop {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--primary-darker);
                flex-direction: column;
                padding: 10px 16px 16px;
                gap: 2px;
                border-bottom: 2px solid rgba(240, 184, 48, 0.3);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
                z-index: 999;
            }
            .nav-desktop.open {
                display: flex;
            }
            .nav-desktop a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta-btn.hide-for-small-only {
                display: none;
            }
            .header-inner {
                gap: 8px;
            }
            .logo-text {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
            .banner-content .banner-subtitle {
                font-size: 1rem;
            }
            .banner-content .banner-desc {
                font-size: 0.9rem;
            }
            .page-banner {
                min-height: 300px;
            }
            .banner-content {
                padding: 40px 16px 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .footer-brand {
                text-align: center;
            }
            .section-block {
                padding: 34px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-block {
                padding: 34px 16px;
            }
            .cta-block h2 {
                font-size: 1.4rem;
            }
            .data-card {
                padding: 20px 16px;
            }
            .step-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.9rem;
            }
        }

        @media screen and (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
            }
            .logo-text {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .banner-content h1 {
                font-size: 1.5rem;
            }
            .banner-content .banner-subtitle {
                font-size: 0.9rem;
            }
            .page-banner {
                min-height: 250px;
            }
            .banner-content {
                padding: 30px 12px 28px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .card-base .card-body {
                padding: 16px 14px 18px;
            }
            .card-base .card-body h3 {
                font-size: 1rem;
            }
            .btn-primary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .btn-outline {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .container-main {
                padding-left: 14px;
                padding-right: 14px;
            }
            .cta-block h2 {
                font-size: 1.2rem;
            }
        }

        /* Foundation 覆盖 */
        .row {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
        }
        .row .row {
            max-width: none;
        }

/* roulang page: category4 */
:root {
            --dark-bg: #0a0e17;
            --dark-header: #0d1117;
            --darker-card: #111827;
            --neon-gold: #e8b830;
            --neon-gold-bright: #f5c842;
            --neon-glow: 0 0 12px rgba(232, 184, 48, 0.55);
            --neon-glow-strong: 0 0 20px rgba(232, 184, 48, 0.7);
            --accent-gold: #d4a520;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b7280;
            --text-on-dark: #e0e0e0;
            --text-on-dark-muted: #9ca3af;
            --bg-white: #ffffff;
            --bg-light: #f8f9fa;
            --bg-section: #f1f3f5;
            --border-light: #e5e7eb;
            --border-medium: #d1d5db;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.07);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Segoe UI', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --container-narrow: 960px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-white);
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            padding: 0;
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text-primary);
        }

        p {
            margin: 0 0 1rem;
        }

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

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

        /* ========== HEADER - 暗色霓虹导航 ========== */
        .site-header {
            background: var(--dark-header);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid transparent;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-normal);
        }

        .site-header::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg,
                    transparent 0%,
                    var(--neon-gold) 15%,
                    var(--neon-gold-bright) 30%,
                    var(--neon-gold) 50%,
                    var(--neon-gold-bright) 70%,
                    var(--neon-gold) 85%,
                    transparent 100%);
            box-shadow: var(--neon-glow);
            z-index: 1;
        }

        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            position: relative;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 10;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-gold), var(--accent-gold));
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--neon-glow);
            transition: box-shadow var(--transition-fast);
        }

        .logo-icon i {
            color: #1a1a2e;
            font-size: 18px;
        }

        .logo-wrap:hover .logo-icon {
            box-shadow: var(--neon-glow-strong);
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--neon-gold);
            text-shadow: 0 0 10px rgba(232, 184, 48, 0.5);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
        }

        .nav-desktop li a {
            display: block;
            padding: 8px 15px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c5ce;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-desktop li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-desktop li a.nav-active {
            color: var(--neon-gold-bright);
            font-weight: 600;
            text-shadow: 0 0 10px rgba(232, 184, 48, 0.6), 0 0 20px rgba(232, 184, 48, 0.25);
            background: rgba(232, 184, 48, 0.08);
            box-shadow: inset 0 0 0 1px rgba(232, 184, 48, 0.2);
        }

        .nav-desktop li a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--neon-gold-bright);
            border-radius: 2px;
            box-shadow: var(--neon-glow);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 10px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #1a1a2e;
            background: linear-gradient(135deg, var(--neon-gold-bright), var(--neon-gold));
            border-radius: 25px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(232, 184, 48, 0.3);
            letter-spacing: 0.3px;
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            color: #1a1a2e;
            box-shadow: var(--neon-glow-strong);
            transform: translateY(-1px);
            background: linear-gradient(135deg, #fad84a, var(--neon-gold-bright));
        }

        .nav-toggle {
            display: none;
            color: #ffffff;
            font-size: 1.5rem;
            padding: 8px;
            z-index: 10;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

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

        @media (max-width: 1024px) {
            .nav-desktop {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--dark-header);
                padding: 12px 20px 20px;
                gap: 2px;
                border-bottom: 2px solid rgba(232, 184, 48, 0.3);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
                z-index: 999;
            }

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

            .nav-desktop li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }

            .nav-cta-btn.hide-for-small-only {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .header-inner {
                height: 56px;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
            }
            .logo-icon i {
                font-size: 15px;
            }
            .header-inner {
                height: 52px;
                padding: 0 14px;
            }
            .nav-desktop {
                top: 52px;
                padding: 8px 14px 16px;
            }
            .nav-desktop li a {
                padding: 10px 12px;
                font-size: 0.88rem;
            }
        }

        /* ========== 内页 BANNER ========== */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            z-index: 0;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(10, 14, 23, 0.85) 0%,
                    rgba(10, 14, 23, 0.7) 40%,
                    rgba(10, 14, 23, 0.8) 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 20px 50px;
            max-width: 700px;
        }

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: #9ca3af;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .banner-breadcrumb a {
            color: var(--neon-gold);
            transition: color var(--transition-fast);
        }

        .banner-breadcrumb a:hover {
            color: var(--neon-gold-bright);
            text-decoration: underline;
        }

        .banner-breadcrumb .sep {
            color: #6b7280;
        }

        .banner-breadcrumb .current {
            color: #e0e0e0;
            font-weight: 500;
        }

        .banner-content h1 {
            font-size: 2.6rem;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }

        .banner-content h1 span {
            color: var(--neon-gold-bright);
            text-shadow: 0 0 14px rgba(232, 184, 48, 0.5);
        }

        .banner-content .banner-subtitle {
            font-size: 1.1rem;
            color: #c0c5ce;
            line-height: 1.6;
            max-width: 560px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 240px;
            }
            .banner-content {
                padding: 40px 16px 36px;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
            .banner-content .banner-subtitle {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 200px;
            }
            .banner-content h1 {
                font-size: 1.45rem;
            }
            .banner-content .banner-subtitle {
                font-size: 0.85rem;
            }
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 60px 0;
        }

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

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

        .section-header h2 {
            font-size: 1.9rem;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .section-header .section-divider {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--neon-gold);
            border-radius: 2px;
            margin: 8px 0 12px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== 联赛卡片网格 ========== */
        .league-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
        }

        .league-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(232, 184, 48, 0.3);
        }

        .league-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .league-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .league-card-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.4px;
            align-self: flex-start;
        }

        .badge-premier {
            background: #fde8ec;
            color: #c0392b;
        }
        .badge-laliga {
            background: #fff3e0;
            color: #e67e22;
        }
        .badge-bundes {
            background: #fce4ec;
            color: #d81b60;
        }
        .badge-seriea {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .badge-ligue1 {
            background: #e3f2fd;
            color: #1565c0;
        }

        .league-card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--text-primary);
            font-weight: 700;
        }

        .league-card-body .league-card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }

        .league-card-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .league-stat-item {
            text-align: center;
            flex: 1;
            min-width: 50px;
        }

        .league-stat-item .stat-num {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--neon-gold);
        }

        .league-stat-item .stat-label {
            font-size: 0.72rem;
            color: var(--text-light);
            margin-top: 2px;
        }

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

        @media (max-width: 1024px) {
            .league-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .league-card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .league-card-img {
                height: 180px;
            }
            .league-card-body {
                padding: 16px 18px 20px;
            }
        }

        /* ========== 数据统计条 ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-block {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

        .stat-block:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 184, 48, 0.25);
        }

        .stat-block .stat-icon {
            font-size: 2rem;
            color: var(--neon-gold);
            margin-bottom: 8px;
        }

        .stat-block .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1;
        }

        .stat-block .stat-value span {
            font-size: 1rem;
            color: var(--text-secondary);
            font-weight: 400;
        }

        .stat-block .stat-desc {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-block {
                padding: 20px 14px;
            }
            .stat-block .stat-value {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-block .stat-value {
                font-size: 1.3rem;
            }
            .stat-block .stat-icon {
                font-size: 1.5rem;
            }
        }

        /* ========== 情报列表 ========== */
        .intel-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .intel-item {
            display: flex;
            gap: 18px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }

        .intel-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 184, 48, 0.2);
        }

        .intel-date-badge {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--neon-gold), var(--accent-gold));
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #1a1a2e;
            font-weight: 700;
            line-height: 1.1;
        }

        .intel-date-badge .day {
            font-size: 1.3rem;
        }
        .intel-date-badge .month {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .intel-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .intel-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .intel-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            background: #f0f0f5;
            color: var(--text-secondary);
            margin-top: 8px;
            letter-spacing: 0.3px;
        }

        @media (max-width: 640px) {
            .intel-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 18px;
            }
            .intel-date-badge {
                width: 44px;
                height: 44px;
                border-radius: 8px;
            }
            .intel-date-badge .day {
                font-size: 1.1rem;
            }
            .intel-content h4 {
                font-size: 0.95rem;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--dark-header);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 50px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 160%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(232, 184, 48, 0.06) 0%, transparent 70%);
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .cta-inner h2 {
            font-size: 1.8rem;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: #c0c5ce;
            font-size: 1rem;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .cta-btn-large {
            display: inline-block;
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 700;
            color: #1a1a2e;
            background: linear-gradient(135deg, var(--neon-gold-bright), var(--neon-gold));
            border-radius: 30px;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(232, 184, 48, 0.35);
            letter-spacing: 0.4px;
        }

        .cta-btn-large:hover {
            color: #1a1a2e;
            box-shadow: var(--neon-glow-strong);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #fad84a, var(--neon-gold-bright));
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 36px 0;
            }
            .cta-inner h2 {
                font-size: 1.4rem;
            }
            .cta-btn-large {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(232, 184, 48, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
            font-family: inherit;
        }

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

        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--neon-gold);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 640px) {
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
            .faq-answer p {
                font-size: 0.83rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--dark-header);
            color: #c0c5ce;
            padding: 50px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            display: inline-block;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: #9ca3af;
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #e0e0e0;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: #9ca3af;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--neon-gold);
        }

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.78rem;
            color: #6b7280;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .site-footer {
                padding: 36px 0 0;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                font-size: 0.72rem;
                padding: 16px 0;
            }
        }

        /* ========== 概述区块 ========== */
        .overview-block {
            display: flex;
            gap: 30px;
            align-items: center;
            flex-wrap: wrap;
        }

        .overview-text {
            flex: 1;
            min-width: 280px;
        }

        .overview-text h2 {
            font-size: 1.6rem;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .overview-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .overview-image {
            flex: 0 0 340px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .overview-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            display: block;
        }

        @media (max-width: 768px) {
            .overview-block {
                flex-direction: column;
                gap: 20px;
            }
            .overview-image {
                flex: 0 0 auto;
                width: 100%;
            }
            .overview-image img {
                height: 200px;
            }
            .overview-text h2 {
                font-size: 1.35rem;
            }
        }

        /* ========== 辅助 ========== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-12 {
            margin-top: 12px;
        }

/* roulang page: category5 */
:root {
            --bg-deep: #0a0c14;
            --bg-surface: #111520;
            --bg-card: #181c28;
            --bg-elevated: #1e2232;
            --text-primary: #e8eaef;
            --text-secondary: #b0b5c2;
            --text-muted: #787d8c;
            --accent-gold: #f0b82e;
            --accent-gold-light: #f7cc5a;
            --accent-neon: #f0b82e;
            --accent-neon-glow: rgba(240, 184, 46, 0.45);
            --accent-blue: #3b82f6;
            --accent-blue-glow: rgba(59, 130, 246, 0.35);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-card: rgba(255, 255, 255, 0.10);
            --border-neon: rgba(240, 184, 46, 0.50);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.55);
            --shadow-neon: 0 0 18px rgba(240, 184, 46, 0.30), 0 0 40px rgba(240, 184, 46, 0.12);
            --shadow-neon-blue: 0 0 16px rgba(59, 130, 246, 0.28), 0 0 36px rgba(59, 130, 246, 0.10);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --transition-bounce: 0.32s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'STHeiti', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'STHeiti', -apple-system, BlinkMacSystemFont, sans-serif;
            --header-height: 68px;
            --section-gap: 64px;
            --section-gap-sm: 40px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            font-size: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-main {
                padding: 0 16px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.50);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .header-inner {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .logo-wrap:hover {
            opacity: 0.88;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-gold), #d4941a);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0a0c14;
            font-size: 1.25rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-neon);
        }
        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            display: flex;
            align-items: baseline;
            gap: 1px;
        }
        .logo-text span {
            color: var(--accent-gold);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-desktop li a {
            display: block;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.02em;
        }
        .nav-desktop li a:hover {
            color: var(--accent-gold-light);
            background: rgba(240, 184, 46, 0.06);
            text-shadow: 0 0 10px rgba(240, 184, 46, 0.3);
        }
        .nav-desktop li a.nav-active {
            color: var(--accent-gold);
            font-weight: 700;
            background: rgba(240, 184, 46, 0.1);
            box-shadow: inset 0 0 0 1px var(--border-neon);
            text-shadow: 0 0 14px var(--accent-neon-glow);
        }
        .nav-desktop li a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--accent-neon-glow);
        }
        .nav-cta-btn {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent-gold), #c88a14);
            color: #0a0c14 !important;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-neon);
            white-space: nowrap;
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(240, 184, 46, 0.45), 0 0 55px rgba(240, 184, 46, 0.16);
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            color: var(--accent-gold);
            background: rgba(240, 184, 46, 0.08);
        }
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 2px;
            }
            .nav-desktop li a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .logo-text {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 860px) {
            .nav-desktop {
                display: none;
            }
            .hide-for-small-only {
                display: none !important;
            }
            .nav-toggle {
                display: block;
            }
            .site-header .header-inner {
                padding: 0 16px;
            }
        }
        /* Mobile nav panel */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-surface);
            z-index: 999;
            flex-direction: column;
            padding: 20px 24px;
            gap: 6px;
            overflow-y: auto;
            border-top: 1px solid var(--border-subtle);
        }
        .mobile-nav-panel.active {
            display: flex;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.nav-active {
            color: var(--accent-gold);
            background: rgba(240, 184, 46, 0.08);
            border-color: var(--border-neon);
            text-shadow: 0 0 10px var(--accent-neon-glow);
        }
        .mobile-nav-panel .mobile-cta {
            margin-top: 12px;
            text-align: center;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent-gold), #c88a14);
            color: #0a0c14;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-neon);
        }

        /* ===== HERO ===== */
        .hero-cat {
            position: relative;
            padding: 80px 0 70px;
            background: var(--bg-deep);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-cat .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.22;
            z-index: 0;
            filter: brightness(0.7) saturate(0.8);
        }
        .hero-cat::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 12, 20, 0.65) 0%, rgba(10, 12, 20, 0.88) 60%, var(--bg-deep) 100%);
            z-index: 1;
        }
        .hero-cat .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero-cat .cat-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(240, 184, 46, 0.14);
            border: 1px solid var(--border-neon);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            text-shadow: 0 0 8px var(--accent-neon-glow);
        }
        .hero-cat h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            color: #ffffff;
            text-shadow: 0 0 30px rgba(240, 184, 46, 0.2);
        }
        .hero-cat h1 span {
            color: var(--accent-gold);
        }
        .hero-cat .hero-desc {
            font-size: 1.12rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .hero-cat .hero-stats-row {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }
        .hero-cat .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-cat .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-shadow: 0 0 14px var(--accent-neon-glow);
            line-height: 1.2;
        }
        .hero-cat .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            .hero-cat {
                padding: 50px 0 44px;
                min-height: auto;
            }
            .hero-cat h1 {
                font-size: 2rem;
            }
            .hero-cat .hero-desc {
                font-size: 1rem;
            }
            .hero-cat .hero-stats-row {
                gap: 20px;
            }
            .hero-cat .hero-stat .stat-num {
                font-size: 1.5rem;
            }
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: var(--section-gap) 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-gap-sm) 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 18px;
            background: rgba(240, 184, 46, 0.10);
            border: 1px solid rgba(240, 184, 46, 0.25);
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== CARDS ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        @media (max-width: 900px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 560px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .card-predict {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .card-predict::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .card-predict:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
            background: var(--bg-elevated);
        }
        .card-predict:hover::before {
            opacity: 1;
        }
        .card-predict .card-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(240, 184, 46, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            flex-shrink: 0;
            transition: all var(--transition-smooth);
        }
        .card-predict:hover .card-icon-wrap {
            box-shadow: 0 0 20px var(--accent-neon-glow);
            background: rgba(240, 184, 46, 0.18);
        }
        .card-predict h3 {
            font-size: 1.18rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-primary);
        }
        .card-predict p {
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.65;
            flex-grow: 1;
        }
        .card-predict .card-tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .card-predict .card-tag {
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(240, 184, 46, 0.08);
            color: var(--accent-gold-light);
            border: 1px solid rgba(240, 184, 46, 0.2);
            letter-spacing: 0.02em;
        }

        /* ===== DATA STATS ROW ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 420px) {
            .stats-bar {
                grid-template-columns: 1fr;
            }
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-neon);
        }
        .stat-card .stat-big {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-shadow: 0 0 16px var(--accent-neon-glow);
            line-height: 1.2;
        }
        .stat-card .stat-unit {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }
        .stat-card .stat-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ===== TREND LIST ===== */
        .trend-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .trend-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            transition: all var(--transition-smooth);
        }
        .trend-item:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-md);
            background: var(--bg-elevated);
        }
        .trend-item .trend-indicator {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
        }
        .trend-indicator.up {
            background: rgba(34, 197, 94, 0.15);
            color: #22c55e;
            border: 2px solid rgba(34, 197, 94, 0.35);
        }
        .trend-indicator.down {
            background: rgba(239, 68, 68, 0.15);
            color: #ef4444;
            border: 2px solid rgba(239, 68, 68, 0.35);
        }
        .trend-indicator.stable {
            background: rgba(240, 184, 46, 0.15);
            color: var(--accent-gold);
            border: 2px solid rgba(240, 184, 46, 0.35);
        }
        .trend-item .trend-info {
            flex: 1;
            min-width: 0;
        }
        .trend-item .trend-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }
        .trend-item .trend-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .trend-item .trend-value {
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
            color: var(--text-primary);
            text-align: right;
        }
        @media (max-width: 520px) {
            .trend-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .trend-item .trend-value {
                text-align: left;
                width: 100%;
            }
        }

        /* ===== NEWS MINI ===== */
        .news-mini-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        @media (max-width: 680px) {
            .news-mini-grid {
                grid-template-columns: 1fr;
            }
        }
        .news-mini-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .news-mini-card:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-mini-card .news-img-wrap {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .news-mini-card .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-mini-card:hover .news-img-wrap img {
            transform: scale(1.04);
        }
        .news-mini-card .news-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-mini-card .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }
        .news-mini-card h4 {
            font-size: 1.02rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            line-height: 1.45;
        }
        .news-mini-card .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            flex: 1;
        }
        .news-mini-card .news-link {
            font-weight: 600;
            color: var(--accent-gold);
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }
        .news-mini-card .news-link:hover {
            text-shadow: 0 0 10px var(--accent-neon-glow);
            color: var(--accent-gold-light);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--border-neon);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-fast);
            background: transparent;
            cursor: pointer;
            border: none;
            font-family: var(--font-body);
        }
        .faq-question:hover {
            color: var(--accent-gold-light);
            background: rgba(240, 184, 46, 0.04);
        }
        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 350px;
            padding: 0 22px 18px;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: var(--bg-surface);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(240, 184, 46, 0.07);
            z-index: 0;
            pointer-events: none;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-glow {
            display: inline-block;
            padding: 13px 32px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent-gold), #c88a14);
            color: #0a0c14;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.04em;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-bounce);
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 32px rgba(240, 184, 46, 0.5), 0 0 60px rgba(240, 184, 46, 0.18);
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 34px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer-brand .logo-text {
            font-size: 1.3rem;
            margin-bottom: 10px;
            display: inline-block;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--text-primary);
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
            text-shadow: 0 0 8px var(--accent-neon-glow);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 18px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }

        /* ===== UTILS ===== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-0 {
            margin-bottom: 0;
        }

        /* Section bg alt */
        .section-alt {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        /* Divider */
        .divider-glow {
            width: 60px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 3px;
            box-shadow: 0 0 10px var(--accent-neon-glow);
            margin: 0 auto 16px;
        }