/* roulang page: index */
:root {
            --bg-primary: #0b0c10;
            --bg-secondary: #1a1c24;
            --bg-card: #21232b;
            --bg-dark: #15171e;
            --text-primary: #e8eaed;
            --text-secondary: #b0b3b8;
            --text-muted: #7a7d84;
            --accent-primary: #00d4aa;
            --accent-secondary: #00b894;
            --accent-glow: #00ffc8;
            --border-color: #2d3039;
            --border-light: #3a3d47;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 32px rgba(0, 212, 170, 0.15);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .container--narrow {
            max-width: 960px;
        }

        .container--wide {
            max-width: 1320px;
        }

        /* HEADER & NAV */
        .site-header {
            background-color: rgba(11, 12, 16, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--accent-primary);
            text-transform: uppercase;
            white-space: nowrap;
            position: relative;
            text-shadow: 0 0 18px rgba(0, 212, 170, 0.5);
        }

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

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-desktop li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 0;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-desktop li a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-glow);
            box-shadow: 0 0 10px var(--accent-glow);
            transition: width var(--transition-smooth);
            border-radius: 2px;
        }

        .nav-desktop li a:hover,
        .nav-desktop li a.active {
            color: #ffffff;
        }

        .nav-desktop li a:hover::after,
        .nav-desktop li a.active::after {
            width: 100%;
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #0b0c10 !important;
            padding: 0.6rem 1.4rem !important;
            border-radius: 30px;
            font-weight: 700 !important;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 14px rgba(0, 212, 170, 0.35);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 212, 170, 0.5);
        }

        .nav-cta::after {
            display: none !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(11, 12, 16, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 1.2rem 1.5rem 2rem;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.7);
            z-index: 99;
        }

        .mobile-menu a {
            display: block;
            padding: 0.9rem 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
            transition: color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #ffffff;
        }

        .mobile-menu .nav-cta {
            display: inline-block;
            margin-top: 1rem;
            text-align: center;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #0b0c10 !important;
            border-radius: 30px;
            padding: 0.8rem 1.8rem !important;
            font-weight: 700;
        }

        /* HERO */
        .hero {
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 6rem 0 5rem;
            display: flex;
            align-items: center;
            min-height: 580px;
            border-bottom: 1px solid var(--border-color);
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(0, 212, 170, 0.12) 0%, transparent 60%),
                linear-gradient(180deg, rgba(11, 12, 16, 0.75) 0%, rgba(11, 12, 16, 0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 740px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 212, 170, 0.18);
            border: 1px solid rgba(0, 212, 170, 0.35);
            color: var(--accent-glow);
            padding: 0.4rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.8px;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(6px);
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            color: #ffffff;
            letter-spacing: -0.5px;
        }

        .hero h1 em {
            font-style: normal;
            color: var(--accent-glow);
            text-shadow: 0 0 30px rgba(0, 255, 200, 0.5);
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.7;
            max-width: 600px;
        }

        .hero-stats {
            display: flex;
            gap: 2rem;
            margin-bottom: 2.2rem;
            flex-wrap: wrap;
        }

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

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            cursor: pointer;
            border: none;
            transition: all var(--transition-smooth);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #0b0c10;
            box-shadow: 0 6px 20px rgba(0, 212, 170, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 212, 170, 0.55);
            color: #0b0c10;
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--accent-primary);
            color: var(--accent-primary);
        }

        .btn-outline:hover {
            background: rgba(0, 212, 170, 0.1);
            border-color: var(--accent-glow);
            color: #ffffff;
        }

        /* SECTIONS */
        .section {
            padding: 5rem 0;
        }

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

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

        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent-primary);
            margin-bottom: 0.8rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.8rem;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* DATA CARDS */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.8rem;
        }

        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

        .data-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-primary);
        }

        .data-card-icon {
            font-size: 2rem;
            color: var(--accent-primary);
            margin-bottom: 1rem;
        }

        .data-card-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 0.4rem;
        }

        .data-card-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* ADVANTAGE CARDS */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .card-adv {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.2rem 1.8rem;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

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

        .card-adv-icon {
            width: 56px;
            height: 56px;
            background: rgba(0, 212, 170, 0.12);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-primary);
            margin-bottom: 1.4rem;
        }

        .card-adv h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.7rem;
        }

        .card-adv p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* BRAND STORY */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }

        .story-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .story-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1.2rem;
        }

        .story-text p {
            color: var(--text-secondary);
            font-size: 1.02rem;
            line-height: 1.8;
            margin-bottom: 1.2rem;
        }

        /* MATCH / SERVICE CARDS */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

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

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-primary);
        }

        .service-card-img {
            height: 180px;
            overflow: hidden;
        }

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

        .service-card:hover .service-card-img img {
            transform: scale(1.06);
        }

        .service-card-body {
            padding: 1.5rem;
        }

        .service-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }

        .service-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 1rem;
        }

        .tag {
            display: inline-block;
            background: rgba(0, 212, 170, 0.15);
            color: var(--accent-glow);
            padding: 0.25rem 0.8rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        /* TESTIMONIALS */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            box-shadow: var(--shadow-card);
        }

        .testimonial-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 1.2rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .testimonial-author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #0b0c10;
            font-size: 1.1rem;
        }

        .testimonial-author strong {
            display: block;
            color: #ffffff;
            font-size: 0.9rem;
        }

        .testimonial-author span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

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

        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: #ffffff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--accent-primary);
        }

        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

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

        .faq-item.open {
            border-color: var(--accent-primary);
            box-shadow: 0 0 24px rgba(0, 212, 170, 0.1);
        }

        /* NEWS */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

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

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

        .news-card-img {
            height: 160px;
            overflow: hidden;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-card-body {
            padding: 1.4rem;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--accent-primary);
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .news-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }

        .news-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(0, 180, 140, 0.05) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 4rem 2rem;
            text-align: center;
            margin: 0 20px;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-size: 1.05rem;
        }

        /* FOOTER */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
        }

        .footer-brand .logo {
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
            display: inline-block;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-col h4 {
            color: #ffffff;
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

            .cards-grid,
            .service-grid,
            .testimonial-grid,
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .story-block {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

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

            .hero h1 {
                font-size: 2.4rem;
            }
        }

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

            .mobile-toggle {
                display: block;
            }

            .mobile-menu.active {
                display: flex;
            }

            .hero {
                padding: 4rem 0 3rem;
                min-height: auto;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero-desc {
                font-size: 1rem;
            }

            .section {
                padding: 3rem 0;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .data-grid,
            .cards-grid,
            .service-grid,
            .testimonial-grid,
            .news-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .cta-section {
                padding: 2.5rem 1.2rem;
                margin: 0 10px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
            }

            .logo {
                font-size: 1.3rem;
            }

            .hero h1 {
                font-size: 1.7rem;
            }

            .hero-stats {
                gap: 1rem;
            }

            .btn {
                padding: 0.65rem 1.4rem;
                font-size: 0.85rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-dark: #0a0e14;
            --bg-card: #131a24;
            --bg-section: #0d121c;
            --text-primary: #e8edf3;
            --text-secondary: #9aa4b2;
            --text-muted: #6b7280;
            --accent-neon: #00e5ff;
            --accent-gold: #f0b90b;
            --accent-purple: #a855f7;
            --accent-red: #ef4444;
            --border-dim: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 229, 255, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 24px rgba(0, 229, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-mono: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

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

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

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

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

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

        .container {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            background: rgba(10, 14, 20, 0.9);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-dim);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .logo span {
            color: var(--accent-neon);
            text-shadow: 0 0 18px rgba(0, 229, 255, 0.7);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-desktop a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-desktop a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            text-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
        }

        .nav-desktop a.active {
            color: #fff;
            background: rgba(0, 229, 255, 0.1);
            box-shadow: inset 0 0 0 1px var(--border-glow);
            font-weight: 600;
        }

        .nav-desktop a.nav-cta {
            background: var(--accent-neon);
            color: #0a0e14;
            font-weight: 700;
            padding: 9px 22px;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
            margin-left: 8px;
        }

        .nav-desktop a.nav-cta:hover {
            background: #26ebff;
            box-shadow: 0 0 28px rgba(0, 229, 255, 0.65);
            color: #0a0e14;
        }

        .mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: #fff;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #0d121c;
            border-top: 1px solid var(--border-dim);
            padding: 16px 24px;
            gap: 12px;
        }

        .mobile-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-dim);
        }

        .mobile-menu a.active {
            color: var(--accent-neon);
        }

        /* Category Hero Banner */
        .category-hero {
            background: linear-gradient(135deg, #0a0e14 0%, #111b2a 100%);
            padding: 70px 0 60px;
            text-align: center;
            border-bottom: 1px solid var(--border-dim);
            position: relative;
        }

        .category-hero .badge {
            display: inline-block;
            background: rgba(0, 229, 255, 0.12);
            color: var(--accent-neon);
            padding: 5px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 18px;
        }

        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

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

        .category-hero .hero-desc {
            max-width: 700px;
            margin: 0 auto 28px;
            color: var(--text-secondary);
            font-size: 1.15rem;
        }

        .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            margin-top: 28px;
        }

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

        .hero-stat .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }

        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Strategy Grid */
        .strategy-grid-section {
            padding: 64px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            color: var(--text-muted);
            margin-bottom: 40px;
            font-size: 1rem;
        }

        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 28px;
        }

        .strategy-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .strategy-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .strategy-card .card-icon {
            font-size: 2.4rem;
            color: var(--accent-neon);
            margin-bottom: 16px;
        }

        .strategy-card h3 {
            font-size: 1.45rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .strategy-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .strategy-card .card-tag {
            display: inline-block;
            margin-top: 16px;
            background: rgba(168, 85, 247, 0.15);
            color: var(--accent-purple);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* Featured Strategy Deep Dive */
        .deep-dive {
            padding: 60px 0;
            background: var(--bg-section);
        }

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

        .deep-dive-text h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .deep-dive-text p {
            color: var(--text-secondary);
            margin-bottom: 18px;
        }

        .deep-dive-text .highlight-list {
            list-style: none;
            margin-top: 20px;
        }

        .deep-dive-text .highlight-list li {
            padding: 6px 0 6px 24px;
            position: relative;
            color: var(--text-secondary);
        }

        .deep-dive-text .highlight-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-neon);
        }

        .deep-dive-image img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-dim);
        }

        /* Resource Cards */
        .resource-cards {
            padding: 64px 0;
        }

        .resource-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .resource-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-dim);
            transition: all var(--transition-smooth);
        }

        .resource-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .resource-item img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .resource-body {
            padding: 20px;
        }

        .resource-body h4 {
            font-weight: 700;
            margin-bottom: 8px;
        }

        .resource-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* FAQ */
        .faq-section {
            padding: 60px 0;
            background: var(--bg-section);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-dim);
            padding: 20px 0;
            cursor: pointer;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.15rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--text-secondary);
            margin-top: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            margin-top: 12px;
        }

        .faq-item i {
            transition: transform var(--transition-fast);
        }

        .faq-item.open i {
            transform: rotate(180deg);
            color: var(--accent-neon);
        }

        /* CTA */
        .cta-block {
            padding: 60px 0;
            text-align: center;
        }

        .cta-block h2 {
            font-size: 2rem;
            font-weight: 700;
        }

        .cta-block p {
            color: var(--text-muted);
            margin: 12px 0 24px;
        }

        .btn-glow {
            background: var(--accent-neon);
            color: #0a0e14;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 1.1rem;
            box-shadow: 0 0 24px rgba(0, 229, 255, 0.45);
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-glow:hover {
            background: #26ebff;
            box-shadow: 0 0 32px rgba(0, 229, 255, 0.7);
            color: #0a0e14;
        }

        /* Footer */
        .site-footer {
            background: #05080c;
            border-top: 1px solid var(--border-dim);
            padding: 48px 0 24px;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

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

        .footer-bottom {
            text-align: center;
            border-top: 1px solid var(--border-dim);
            padding-top: 20px;
            font-size: 0.85rem;
        }

        @media (max-width: 1024px) {
            .deep-dive-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.show {
                display: flex;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats-row {
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 48px 0 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --bg-dark: #0a0e14;
            --bg-card: #141b22;
            --bg-nav: #0d1117;
            --surface: #1a1f2b;
            --border: #2a3040;
            --neon-cyan: #00e5ff;
            --neon-blue: #2979ff;
            --neon-purple: #7c4dff;
            --accent-gold: #f0b90b;
            --text-primary: #e8ecf1;
            --text-secondary: #aab4c0;
            --text-muted: #6b7380;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-neon: 0 0 20px rgba(0, 229, 255, 0.15), 0 0 40px rgba(0, 229, 255, 0.06);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --max-width: 1240px;
            --section-gap: 64px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            box-sizing: border-box;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            background: var(--bg-nav);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.04em;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .logo span {
            color: var(--neon-cyan);
            text-shadow: 0 0 12px rgba(0, 229, 255, 0.5);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--transition-smooth);
            letter-spacing: 0.03em;
        }
        .nav-desktop a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-desktop a.active {
            color: var(--neon-cyan);
            font-weight: 600;
            text-shadow: 0 0 8px rgba(0, 229, 255, 0.3);
        }
        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--neon-cyan), 0 0 20px rgba(0, 229, 255, 0.4);
        }
        .nav-desktop .nav-cta {
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            color: #fff !important;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 20px;
            margin-left: 6px;
            box-shadow: 0 4px 16px rgba(41, 121, 255, 0.35);
            transition: var(--transition-smooth);
        }
        .nav-desktop .nav-cta:hover {
            box-shadow: 0 6px 24px rgba(41, 121, 255, 0.55);
            transform: translateY(-1px);
            background: linear-gradient(135deg, #3d8bff, #8e5fff);
        }
        .nav-desktop .nav-cta::after {
            display: none;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.5rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--neon-cyan);
        }
        .mobile-toggle:focus {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--bg-nav);
            border-top: 1px solid var(--border);
            padding: 8px 16px 16px;
            box-shadow: var(--shadow-lg);
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
            transition: var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--neon-cyan);
            background: rgba(0, 229, 255, 0.06);
        }
        .mobile-menu .nav-cta {
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            color: #fff !important;
            text-align: center;
            font-weight: 600;
            border-radius: 20px;
            margin-top: 6px;
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            background: url('assets/images/backpic/back-1.webp') center / cover no-repeat;
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 20, 0.75) 0%, rgba(10, 14, 20, 0.9) 60%, var(--bg-dark) 100%);
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 24px 40px;
            max-width: 800px;
            width: 100%;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(0, 229, 255, 0.12);
            border: 1px solid rgba(0, 229, 255, 0.3);
            color: var(--neon-cyan);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
            line-height: 1.3;
        }
        .page-banner h1 span {
            color: var(--neon-cyan);
            text-shadow: 0 0 18px rgba(0, 229, 255, 0.5);
        }
        .page-banner p {
            font-size: 1.08rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ============ MAIN CONTENT ============ */
        main {
            padding-bottom: var(--section-gap);
        }

        .section {
            padding: 48px 0;
        }
        .section-sm {
            padding: 32px 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .section-title span {
            color: var(--neon-cyan);
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            letter-spacing: 0.02em;
        }

        /* ============ CARDS ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        .card-grid.two-col {
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
        }

        .analysis-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .analysis-card:hover {
            border-color: rgba(0, 229, 255, 0.35);
            box-shadow: var(--shadow-neon), var(--shadow-md);
            transform: translateY(-3px);
        }
        .analysis-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--surface);
        }
        .analysis-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .analysis-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .analysis-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 14, 20, 0.85);
            color: var(--neon-cyan);
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            border: 1px solid rgba(0, 229, 255, 0.25);
        }
        .analysis-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .analysis-card .card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.12rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            letter-spacing: 0.03em;
            line-height: 1.4;
        }
        .analysis-card .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .analysis-card .card-body .card-meta i {
            color: var(--neon-cyan);
            margin-right: 3px;
        }
        .analysis-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .analysis-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-fast);
            letter-spacing: 0.03em;
        }
        .analysis-card .card-body .card-link:hover {
            color: #fff;
            text-shadow: 0 0 8px rgba(0, 229, 255, 0.4);
        }
        .analysis-card .card-body .card-link i {
            transition: transform var(--transition-fast);
        }
        .analysis-card .card-body .card-link:hover i {
            transform: translateX(3px);
        }

        /* ============ FEATURED ANALYSIS ============ */
        .featured-block {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 32px;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 32px;
            align-items: center;
            box-shadow: var(--shadow-md);
        }
        .featured-block .featured-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--surface);
        }
        .featured-block .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-block .featured-info h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .featured-block .featured-info .badge-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .badge-cyan {
            background: rgba(0, 229, 255, 0.1);
            color: var(--neon-cyan);
            border: 1px solid rgba(0, 229, 255, 0.3);
        }
        .badge-gold {
            background: rgba(240, 185, 11, 0.1);
            color: var(--accent-gold);
            border: 1px solid rgba(240, 185, 11, 0.3);
        }
        .badge-purple {
            background: rgba(124, 77, 255, 0.1);
            color: var(--neon-purple);
            border: 1px solid rgba(124, 77, 255, 0.3);
        }
        .featured-block .featured-info p {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ============ STATS ROW ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }
        .stat-card:hover {
            border-color: rgba(0, 229, 255, 0.3);
            box-shadow: var(--shadow-neon);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--neon-cyan);
            margin-bottom: 10px;
        }
        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ============ TIMELINE LIST ============ */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .timeline-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }
        .timeline-item:hover {
            border-color: rgba(0, 229, 255, 0.3);
            box-shadow: var(--shadow-neon);
        }
        .timeline-item .tl-date {
            flex-shrink: 0;
            background: var(--surface);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            text-align: center;
            min-width: 60px;
            font-weight: 700;
            color: var(--neon-cyan);
            font-size: 0.85rem;
            letter-spacing: 0.04em;
        }
        .timeline-item .tl-content h4 {
            font-weight: 600;
            color: #fff;
            font-size: 0.98rem;
            margin-bottom: 4px;
        }
        .timeline-item .tl-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .faq-item.active {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-neon);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.98rem;
            padding: 16px 20px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            letter-spacing: 0.03em;
            transition: var(--transition-fast);
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--neon-cyan);
        }
        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--neon-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 16px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, rgba(41, 121, 255, 0.1), rgba(124, 77, 255, 0.1));
            border: 1px solid rgba(0, 229, 255, 0.2);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            text-align: center;
            box-shadow: var(--shadow-neon);
        }
        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-section p {
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 20px;
            font-size: 0.95rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            color: #fff;
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            box-shadow: 0 4px 18px rgba(41, 121, 255, 0.4);
            transition: var(--transition-smooth);
            border: none;
            cursor: pointer;
            font-family: inherit;
        }
        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(41, 121, 255, 0.6);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #3d8bff, #8e5fff);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 2px solid var(--neon-cyan);
            color: var(--neon-cyan);
            padding: 11px 26px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            transition: var(--transition-smooth);
            cursor: pointer;
            font-family: inherit;
        }
        .btn-outline:hover {
            background: rgba(0, 229, 255, 0.08);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.25);
            color: #fff;
            border-color: #fff;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-nav);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            color: var(--text-secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 20px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 10px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--neon-cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .featured-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .card-grid.two-col {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-menu.show {
                display: flex;
            }
            .header-inner {
                height: 56px;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.65rem;
            }
            .page-banner p {
                font-size: 0.9rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-card {
                padding: 16px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .featured-block {
                padding: 20px;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .timeline-item {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .page-banner .banner-content {
                padding: 40px 10px 28px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card .stat-number {
                font-size: 1.3rem;
            }
            .stat-card .stat-icon {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
            .featured-block {
                padding: 16px;
            }
            .analysis-card .card-body {
                padding: 14px 16px 16px;
            }
            .analysis-card .card-body h3 {
                font-size: 1rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
        }

/* roulang page: category5 */
/* ========== 设计变量 ========== */
        :root {
            --color-bg: #080810;
            --color-bg-alt: #0e0e1a;
            --color-surface: #141428;
            --color-surface-elevated: #1a1a32;
            --color-surface-card: #161630;
            --color-primary: #00e0ff;
            --color-primary-glow: rgba(0, 224, 255, 0.55);
            --color-primary-soft: rgba(0, 224, 255, 0.12);
            --color-accent: #ff6b35;
            --color-accent-glow: rgba(255, 107, 53, 0.5);
            --color-accent-soft: rgba(255, 107, 53, 0.1);
            --color-gold: #f0c060;
            --color-gold-soft: rgba(240, 192, 96, 0.12);
            --color-text: #e4e4f0;
            --color-text-bright: #ffffff;
            --color-text-muted: #9090b0;
            --color-text-dim: #6a6a88;
            --color-border: #262640;
            --color-border-light: #323255;
            --color-border-glow: rgba(0, 224, 255, 0.3);
            --color-danger: #ff4470;
            --color-success: #2ecc71;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
            --shadow-glow-primary: 0 0 24px rgba(0, 224, 255, 0.25);
            --shadow-glow-accent: 0 0 20px rgba(255, 107, 53, 0.2);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --header-height: 68px;
            --container-max: 1200px;
        }

        /* ========== 基础 Reset & Base ========== */
        *,
        *::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(--color-text);
            background-color: var(--color-bg);
            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;
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 0.6em;
            color: var(--color-text-bright);
        }

        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.15rem;
        }

        p {
            margin: 0 0 1em;
        }

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

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 板块间距 ========== */
        .section {
            padding: 70px 0;
        }
        .section-sm {
            padding: 45px 0;
        }
        .section-lg {
            padding: 90px 0;
        }
        .section-tight {
            padding: 50px 0;
        }

        /* ========== 板块标题 ========== */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2.1rem;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-header .subtitle {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-header .accent-line {
            display: inline-block;
            width: 56px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 3px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-glow-primary);
        }

        /* ========== 霓虹装饰条 ========== */
        .neon-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border-glow), var(--color-primary), var(--color-border-glow), transparent);
            border: none;
            margin: 0 auto;
            max-width: 700px;
            opacity: 0.7;
        }

        /* ========== 顶部导航 Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.5);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header .logo {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-text-bright);
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: text-shadow var(--transition-fast);
        }
        .site-header .logo span {
            color: var(--color-primary);
            text-shadow: 0 0 18px var(--color-primary-glow);
        }
        .site-header .logo:hover {
            text-shadow: 0 0 28px var(--color-primary-glow);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-desktop li {
            list-style: none;
            margin: 0;
        }
        .nav-desktop a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-full);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-desktop a:hover {
            color: var(--color-text-bright);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-desktop a.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            text-shadow: 0 0 12px var(--color-primary-glow);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(0, 224, 255, 0.25);
        }
        .nav-desktop .nav-cta {
            background: var(--color-primary);
            color: #000;
            font-weight: 700;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-glow-primary);
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
        }
        .nav-desktop .nav-cta:hover {
            background: #33e8ff;
            box-shadow: 0 0 36px rgba(0, 224, 255, 0.5);
            transform: translateY(-1px);
            color: #000;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--color-text-bright);
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(14, 14, 26, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            flex-direction: column;
            padding: 12px 20px;
            gap: 4px;
            z-index: 999;
            box-shadow: var(--shadow-lg);
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: var(--color-text-muted);
            font-weight: 500;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            text-shadow: 0 0 10px var(--color-primary-glow);
        }
        .mobile-menu .nav-cta {
            background: var(--color-primary);
            color: #000;
            font-weight: 700;
            text-align: center;
            margin-top: 6px;
            box-shadow: var(--shadow-glow-primary);
        }
        .mobile-menu .nav-cta:hover {
            background: #33e8ff;
            color: #000;
        }

        /* ========== Hero Banner ========== */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-position: center 30%;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 8, 16, 0.7) 0%, rgba(8, 8, 16, 0.88) 60%, rgba(8, 8, 16, 0.96) 100%);
            z-index: 1;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-accent), var(--color-primary), transparent);
            z-index: 2;
            opacity: 0.8;
            box-shadow: 0 0 30px var(--color-primary-glow);
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 750px;
            margin: 0 auto;
            padding: 60px 20px;
        }
        .hero-banner .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 18px;
            border: 1px solid rgba(0, 224, 255, 0.3);
            text-shadow: 0 0 10px var(--color-primary-glow);
        }
        .hero-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .hero-banner h1 .highlight {
            color: var(--color-primary);
            text-shadow: 0 0 28px var(--color-primary-glow);
        }
        .hero-banner .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .hero-banner .hero-cta-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 按钮系统 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
            border: none;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #000;
            box-shadow: var(--shadow-glow-primary);
        }
        .btn-primary:hover {
            background: #33e8ff;
            box-shadow: 0 0 40px rgba(0, 224, 255, 0.55);
            transform: translateY(-2px);
            color: #000;
        }
        .btn-outline {
            background: transparent;
            color: var(--color-text-bright);
            border: 2px solid var(--color-border-light);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            box-shadow: 0 0 18px var(--color-primary-glow);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-glow-accent);
        }
        .btn-accent:hover {
            background: #ff8255;
            box-shadow: 0 0 36px rgba(255, 107, 53, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-full);
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-full);
        }

        /* ========== 策略卡片网格 ========== */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .strategy-card {
            background: var(--color-surface-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }
        .strategy-card:hover {
            transform: translateY(-5px);
            border-color: var(--color-border-glow);
            box-shadow: var(--shadow-glow-primary), var(--shadow-md);
        }
        .strategy-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .strategy-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .strategy-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .strategy-card .card-img-wrap::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(transparent, var(--color-surface-card));
            z-index: 1;
        }
        .strategy-card .card-body {
            padding: 20px 22px 24px;
            position: relative;
            z-index: 2;
        }
        .strategy-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .strategy-card .card-tag.accent {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .strategy-card .card-tag.gold {
            background: var(--color-gold-soft);
            color: var(--color-gold);
        }
        .strategy-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .strategy-card p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin-bottom: 14px;
            line-height: 1.6;
        }
        .strategy-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
        }
        .strategy-card .card-link:hover {
            gap: 10px;
            text-shadow: 0 0 12px var(--color-primary-glow);
        }

        /* ========== 深度解析区块 ========== */
        .deep-dive {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            border: 1px solid var(--color-border);
            display: flex;
            gap: 36px;
            align-items: center;
            flex-wrap: wrap;
        }
        .deep-dive .deep-img {
            flex: 0 0 320px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .deep-dive .deep-img img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .deep-dive .deep-text {
            flex: 1;
            min-width: 280px;
        }
        .deep-dive .deep-text h2 {
            font-size: 1.7rem;
            margin-bottom: 14px;
        }
        .deep-dive .deep-text p {
            color: var(--color-text-muted);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .deep-dive .highlight-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .deep-dive .highlight-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 16px;
            background: var(--color-surface-elevated);
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            color: var(--color-text-bright);
            border: 1px solid var(--color-border-light);
        }
        .deep-dive .highlight-item i {
            color: var(--color-primary);
            font-size: 0.8rem;
        }

        /* ========== 数据统计条 ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-card {
            background: var(--color-surface-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 18px;
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            border-color: var(--color-border-glow);
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            text-shadow: 0 0 20px var(--color-primary-glow);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .stat-card.accent .stat-number {
            color: var(--color-accent);
            text-shadow: 0 0 20px var(--color-accent-glow);
        }
        .stat-card.gold .stat-number {
            color: var(--color-gold);
            text-shadow: 0 0 16px rgba(240, 192, 96, 0.4);
        }

        /* ========== 风险管理板块 ========== */
        .risk-section {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            padding: 48px 36px;
        }
        .risk-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .risk-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--color-surface-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .risk-item:hover {
            border-color: var(--color-border-glow);
            box-shadow: var(--shadow-sm);
        }
        .risk-icon {
            flex: 0 0 48px;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .risk-item.accent .risk-icon {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .risk-item .risk-info h4 {
            margin-bottom: 4px;
            font-size: 1.05rem;
        }
        .risk-item .risk-info p {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--color-text-bright);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.75rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item[open] summary {
            color: var(--color-primary);
            text-shadow: 0 0 8px var(--color-primary-glow);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            color: var(--color-text-muted);
            font-size: 0.93rem;
            line-height: 1.8;
        }

        /* ========== CTA 板块 ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            filter: blur(80px);
            z-index: 0;
        }
        .cta-block .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .cta-block p {
            color: var(--color-text-muted);
            max-width: 520px;
            margin: 0 auto 24px;
            font-size: 1rem;
        }
        .cta-block .cta-btn-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 0;
            margin-top: 20px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 30px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--color-border);
        }
        .site-footer .footer-brand .logo {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-text-bright);
            letter-spacing: 0.03em;
        }
        .site-footer .footer-brand .logo span {
            color: var(--color-primary);
            text-shadow: 0 0 14px var(--color-primary-glow);
        }
        .site-footer .footer-brand p {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            margin-top: 10px;
            line-height: 1.6;
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            color: var(--color-text-bright);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .site-footer .footer-col a {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: all var(--transition-fast);
        }
        .site-footer .footer-col a:hover {
            color: var(--color-primary);
            padding-left: 4px;
            text-shadow: 0 0 8px var(--color-primary-glow);
        }
        .site-footer .footer-bottom {
            text-align: center;
            padding: 18px 0;
            color: var(--color-text-dim);
            font-size: 0.82rem;
            letter-spacing: 0.03em;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .deep-dive {
                flex-direction: column;
                padding: 30px 24px;
            }
            .deep-dive .deep-img {
                flex: 0 0 auto;
                width: 100%;
            }
            .deep-dive .deep-img img {
                height: 200px;
            }
            .risk-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.1rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .hero-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
            .hero-banner {
                min-height: 340px;
            }
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            .hero-banner .hero-content {
                padding: 40px 16px;
            }
            .risk-section {
                padding: 28px 18px;
            }
            .cta-block {
                padding: 34px 20px;
            }
            .deep-dive .highlight-list {
                flex-direction: column;
                gap: 6px;
            }
            .faq-item summary {
                font-size: 0.95rem;
                padding: 15px 16px;
            }
            .faq-item .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.88rem;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 10px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .hero-banner h1 {
                font-size: 1.5rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.9rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .btn-lg {
                padding: 12px 26px;
                font-size: 0.9rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .deep-dive .deep-img img {
                height: 160px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-deep: #0a0e17;
            --bg-nav: #0d1119;
            --bg-card: #ffffff;
            --bg-section: #f5f6f8;
            --bg-dark-section: #111827;
            --text-primary: #1a1d26;
            --text-secondary: #4a4f5c;
            --text-light: #8b8f9a;
            --text-on-dark: #e0e3ea;
            --text-on-dark-muted: #9ca3b2;
            --accent-neon: #f0b90b;
            --accent-neon-glow: rgba(240, 185, 11, 0.45);
            --accent-secondary: #3b82f6;
            --accent-green: #10b981;
            --accent-red: #ef4444;
            --border-light: #e2e5ea;
            --border-card: #e8ebf0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.13);
            --shadow-neon: 0 0 18px rgba(240, 185, 11, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --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', 'Helvetica Neue', sans-serif;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            font-family: var(--font-body);
        }

        input {
            font-family: var(--font-body);
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--space-lg);
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            background: var(--bg-nav);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 62px;
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.55rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 1px;
        }

        .logo span {
            color: var(--accent-neon);
            text-shadow: 0 0 12px var(--accent-neon-glow);
        }

        .nav-desktop {
            display: flex;
            list-style: none;
            align-items: center;
            gap: 4px;
            margin: 0;
        }

        .nav-desktop li {
            margin: 0;
        }

        .nav-desktop a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 6px;
            color: #bcc3cd;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.01em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

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

        .nav-desktop a.active {
            color: var(--accent-neon);
            font-weight: 600;
            text-shadow: 0 0 10px var(--accent-neon-glow);
            background: rgba(240, 185, 11, 0.08);
            border-bottom: 2px solid var(--accent-neon);
            border-radius: 6px 6px 0 0;
        }

        .nav-desktop .nav-cta {
            background: linear-gradient(135deg, #f0b90b 0%, #e6a800 100%);
            color: #0a0e17;
            font-weight: 700;
            padding: 9px 18px;
            border-radius: 20px;
            margin-left: 6px;
            box-shadow: 0 2px 12px rgba(240, 185, 11, 0.35);
            transition: all var(--transition-smooth);
        }

        .nav-desktop .nav-cta:hover {
            background: linear-gradient(135deg, #f5c518 0%, #f0b90b 100%);
            box-shadow: 0 4px 20px rgba(240, 185, 11, 0.5);
            color: #0a0e17;
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }

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

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #0f1521;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: var(--space-sm) var(--space-md);
            gap: 2px;
            max-height: 70vh;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 14px;
            border-radius: 8px;
            color: #bcc3cd;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-neon);
            background: rgba(240, 185, 11, 0.08);
        }

        .mobile-menu .nav-cta {
            background: linear-gradient(135deg, #f0b90b 0%, #e6a800 100%);
            color: #0a0e17;
            font-weight: 700;
            text-align: center;
            border-radius: 20px;
            margin-top: 4px;
        }

        @media (max-width: 1024px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                height: 56px;
            }
        }

        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            background: var(--bg-deep);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 23, 0.82) 0%, rgba(10, 14, 23, 0.65) 50%, rgba(10, 14, 23, 0.88) 100%);
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-neon), transparent);
            z-index: 2;
            opacity: 0.7;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            padding: var(--space-3xl) var(--space-md);
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(240, 185, 11, 0.15);
            color: var(--accent-neon);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(240, 185, 11, 0.3);
            margin-bottom: var(--space-md);
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }

        .hero-content h1 span {
            color: var(--accent-neon);
            text-shadow: 0 0 22px var(--accent-neon-glow);
        }

        .hero-content .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-on-dark-muted);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 260px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--space-3xl) 0;
        }

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

        .section-dark {
            background: var(--bg-dark-section);
            color: var(--text-on-dark);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }

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

        .section-header .section-line {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--accent-neon);
            border-radius: 2px;
            margin-top: var(--space-xs);
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 580px;
            margin: var(--space-sm) auto 0;
        }

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

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-lg);
        }

        @media (min-width: 1024px) {
            .card-grid.cols-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(4, 1fr);
            }
            .card-grid.cols-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .strategy-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .strategy-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(240, 185, 11, 0.3);
        }

        .strategy-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: var(--space-md);
            flex-shrink: 0;
        }

        .icon-gold {
            background: rgba(240, 185, 11, 0.12);
            color: #c9950b;
        }
        .icon-blue {
            background: rgba(59, 130, 246, 0.12);
            color: #2563eb;
        }
        .icon-green {
            background: rgba(16, 185, 129, 0.12);
            color: #059669;
        }
        .icon-purple {
            background: rgba(139, 92, 246, 0.12);
            color: #7c3aed;
        }

        .strategy-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--space-xs);
            letter-spacing: 0.01em;
        }

        .strategy-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: var(--space-sm);
            flex-grow: 1;
        }

        .strategy-card .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-neon);
            background: rgba(240, 185, 11, 0.08);
            padding: 4px 10px;
            border-radius: 12px;
            align-self: flex-start;
            letter-spacing: 0.02em;
        }

        .strategy-card .card-img-wrap {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: var(--space-md);
            aspect-ratio: 16 / 10;
            background: #eef0f3;
        }

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

        .strategy-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        /* ========== DETAIL BLOCK ========== */
        .detail-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .detail-block.reverse {
            direction: rtl;
        }
        .detail-block.reverse>* {
            direction: ltr;
        }

        .detail-text h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }

        .detail-text p {
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.75;
            margin-bottom: var(--space-sm);
        }

        .detail-text .highlight-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-neon);
            display: inline-block;
            margin-right: 6px;
            text-shadow: 0 0 12px var(--accent-neon-glow);
        }

        .detail-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
            background: #eef0f3;
        }

        .detail-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .detail-block {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .detail-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== TABLE STYLE ========== */
        .strategy-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            background: #fff;
        }

        .strategy-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 640px;
        }

        .strategy-table thead {
            background: var(--bg-deep);
            color: #ffffff;
        }

        .strategy-table thead th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            letter-spacing: 0.02em;
            font-size: 0.88rem;
            white-space: nowrap;
        }

        .strategy-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-primary);
        }

        .strategy-table tbody tr:hover {
            background: #fafbfc;
        }

        .strategy-table .badge-risk {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 10px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        .badge-low {
            background: #d1fae5;
            color: #065f46;
        }
        .badge-mid {
            background: #fef3c7;
            color: #92400e;
        }
        .badge-high {
            background: #fee2e2;
            color: #991b1b;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

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

        .faq-item:hover {
            border-color: rgba(240, 185, 11, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            letter-spacing: 0.01em;
            background: #fafbfc;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #f0f2f5;
        }

        .faq-question i {
            color: var(--accent-neon);
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
        }

        .faq-answer {
            padding: 0 20px 18px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #0d1119 0%, #131a28 50%, #0d1119 100%);
            text-align: center;
            padding: var(--space-3xl) var(--space-md);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(240, 185, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -70px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
        }

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

        .cta-inner h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }

        .cta-inner p {
            color: var(--text-on-dark-muted);
            font-size: 1.05rem;
            max-width: 500px;
            margin: 0 auto var(--space-lg);
            line-height: 1.7;
        }

        .btn-cta-glow {
            display: inline-block;
            background: linear-gradient(135deg, #f0b90b 0%, #e6a800 100%);
            color: #0a0e17;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 22px rgba(240, 185, 11, 0.4);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-cta-glow:hover {
            box-shadow: 0 6px 30px rgba(240, 185, 11, 0.55);
            transform: translateY(-2px);
            color: #0a0e17;
        }

        .btn-outline-light {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: 28px;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            margin-left: var(--space-sm);
        }

        .btn-outline-light:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
        }

        /* ========== TIPS LIST ========== */
        .tips-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            max-width: 700px;
            margin: 0 auto;
        }

        .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
            background: #fff;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-card);
            font-size: 0.93rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }

        .tips-list li:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(240, 185, 11, 0.25);
        }

        .tips-list li .tip-num {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--accent-neon);
            color: #0a0e17;
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0a0e17;
            color: #bcc3cd;
            padding: var(--space-2xl) 0 var(--space-md);
            border-top: 2px solid rgba(240, 185, 11, 0.2);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-xl);
        }

        .footer-brand .logo {
            font-size: 1.35rem;
            margin-bottom: var(--space-xs);
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: #8b8f9a;
            line-height: 1.6;
            margin-top: var(--space-xs);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: #8b8f9a;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.82rem;
            color: #6b7080;
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .btn-outline-light {
                margin-left: 0;
                margin-top: var(--space-sm);
                display: block;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mb-lg {
            margin-bottom: var(--space-lg);
        }
        .mb-xl {
            margin-bottom: var(--space-xl);
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }

/* roulang page: category2 */
:root {
            --bg-deep: #060918;
            --bg-primary: #0a0e27;
            --bg-card: #111538;
            --bg-card-hover: #171d48;
            --bg-surface: #0d1130;
            --border-subtle: #1a2050;
            --border-glow: #2a3070;
            --neon-cyan: #00d4ff;
            --neon-cyan-dim: rgba(0, 212, 255, 0.25);
            --neon-cyan-glow: rgba(0, 212, 255, 0.55);
            --accent-gold: #f0a500;
            --accent-gold-dim: rgba(240, 165, 0, 0.2);
            --accent-gold-glow: rgba(240, 165, 0, 0.5);
            --text-primary: #e8eaf0;
            --text-secondary: #b0b8d0;
            --text-muted: #7a82a8;
            --text-white: #ffffff;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.07) inset, 0 0 30px rgba(0, 212, 255, 0.08);
            --shadow-glow: 0 0 24px rgba(0, 212, 255, 0.2);
            --shadow-gold: 0 0 20px rgba(240, 165, 0, 0.18);
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1240px;
            --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);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            font-size: 16px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
        }
        input,
        select,
        textarea {
            font-family: var(--font-body);
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-family: var(--font-heading);
            line-height: 1.3;
        }
        p {
            margin: 0;
        }

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

        /* ========== HEADER - 暗色霓虹导航 ========== */
        .site-header {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(0, 212, 255, 0.08) inset;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }
        .logo {
            font-size: 1.65rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-white);
            white-space: nowrap;
            font-family: var(--font-heading);
            transition: text-shadow var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .logo span {
            color: var(--neon-cyan);
            text-shadow: 0 0 14px var(--neon-cyan-glow);
            font-weight: 900;
        }
        .logo:hover {
            text-shadow: 0 0 20px var(--neon-cyan-glow), 0 0 40px rgba(0, 212, 255, 0.3);
            color: #fff;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-desktop li a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-desktop li a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-desktop li a.active {
            color: var(--neon-cyan);
            background: rgba(0, 212, 255, 0.08);
            text-shadow: 0 0 10px var(--neon-cyan-dim);
            box-shadow: 0 0 14px rgba(0, 212, 255, 0.12) inset;
            font-weight: 600;
        }
        .nav-desktop li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background: var(--neon-cyan);
            border-radius: 3px;
            box-shadow: 0 0 12px var(--neon-cyan-glow);
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #e69500 100%) !important;
            color: #1a1a1a !important;
            font-weight: 700 !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            box-shadow: 0 4px 18px var(--accent-gold-dim);
            transition: all var(--transition-smooth) !important;
            letter-spacing: 0.4px !important;
        }
        .nav-cta:hover {
            box-shadow: 0 6px 28px var(--accent-gold-glow) !important;
            transform: translateY(-1px);
            background: linear-gradient(135deg, #ffb520 0%, #f0a500 100%) !important;
            color: #111 !important;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--neon-cyan);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--bg-card);
            border-top: 1px solid var(--border-subtle);
            padding: 10px 24px;
            gap: 4px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--neon-cyan);
            background: rgba(0, 212, 255, 0.07);
            text-shadow: 0 0 8px var(--neon-cyan-dim);
        }
        .mobile-menu a.nav-cta {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #e69500 100%) !important;
            color: #1a1a1a !important;
            text-align: center;
            font-weight: 700 !important;
            margin-top: 6px;
        }
        @media (max-width: 1024px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.active {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 58px;
            }
            .logo {
                font-size: 1.35rem;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: var(--bg-primary) url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 80px 0 70px;
            text-align: center;
            border-bottom: 1px solid var(--border-subtle);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 9, 24, 0.75) 0%, rgba(10, 14, 39, 0.9) 60%, rgba(6, 9, 24, 0.95) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
            z-index: 2;
            opacity: 0.7;
        }
        .page-banner .container {
            position: relative;
            z-index: 3;
        }
        .page-banner .banner-icon {
            display: inline-block;
            font-size: 3rem;
            color: var(--neon-cyan);
            margin-bottom: 16px;
            text-shadow: 0 0 30px var(--neon-cyan-glow);
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
        }
        .page-banner h1 span {
            color: var(--neon-cyan);
        }
        .page-banner .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 20px;
            line-height: 1.8;
        }
        .banner-stats-row {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .banner-stat {
            text-align: center;
            min-width: 100px;
        }
        .banner-stat .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-shadow: 0 0 16px var(--accent-gold-dim);
            line-height: 1;
        }
        .banner-stat .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 50px 0 44px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .subtitle {
                font-size: 1rem;
            }
            .banner-stats-row {
                gap: 20px;
            }
            .banner-stat .stat-num {
                font-size: 1.6rem;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 70px 0;
        }
        .section-dark {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--neon-cyan);
            background: rgba(0, 212, 255, 0.07);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 212, 255, 0.2);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .card-odds {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .card-odds::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon-cyan), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .card-odds:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glow);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .card-odds:hover::before {
            opacity: 1;
        }
        .card-odds .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(0, 212, 255, 0.08);
            color: var(--neon-cyan);
            font-size: 1.5rem;
            margin-bottom: 16px;
            border: 1px solid rgba(0, 212, 255, 0.2);
            text-shadow: 0 0 10px var(--neon-cyan-dim);
        }
        .card-odds h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .card-odds p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .card-odds .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            background: rgba(240, 165, 0, 0.1);
            color: var(--accent-gold);
            border: 1px solid rgba(240, 165, 0, 0.25);
        }
        .card-odds .card-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            position: relative;
        }
        .card-odds .card-img-wrap img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .card-odds:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        @media (max-width: 768px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== DATA HIGHLIGHT ROW ========== */
        .highlight-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .highlight-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-gold);
            border-color: rgba(240, 165, 0, 0.35);
            transform: translateY(-3px);
        }
        .highlight-card .hl-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
            text-shadow: 0 0 14px var(--accent-gold-dim);
        }
        .highlight-card .hl-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1;
        }
        .highlight-card .hl-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .highlight-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .highlight-row {
                grid-template-columns: 1fr;
            }
        }

        /* ========== ANALYSIS BLOCK ========== */
        .analysis-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .analysis-block .analysis-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
        }
        .analysis-block .analysis-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .analysis-block .analysis-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .analysis-block .analysis-content p {
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        .analysis-block .analysis-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .analysis-block .analysis-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.6;
        }
        .analysis-block .analysis-list li i {
            color: var(--neon-cyan);
            font-size: 0.85rem;
            margin-top: 4px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .analysis-block {
                grid-template-columns: 1fr;
            }
            .analysis-block .analysis-img img {
                height: 220px;
            }
        }

        /* ========== TABLE STYLE ========== */
        .odds-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }
        .odds-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            min-width: 700px;
        }
        .odds-table thead th {
            background: var(--bg-surface);
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 14px 16px;
            text-align: center;
            border-bottom: 2px solid var(--border-glow);
            letter-spacing: 0.5px;
        }
        .odds-table tbody td {
            padding: 13px 16px;
            text-align: center;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.9rem;
        }
        .odds-table tbody tr {
            transition: background var(--transition-fast);
        }
        .odds-table tbody tr:hover {
            background: rgba(0, 212, 255, 0.03);
        }
        .odds-table .odds-up {
            color: #4cff8d;
            font-weight: 600;
        }
        .odds-table .odds-down {
            color: #ff5c72;
            font-weight: 600;
        }
        .odds-table .odds-stable {
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            padding: 18px 22px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .faq-question i {
            color: var(--neon-cyan);
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-question:hover {
            color: var(--neon-cyan);
        }
        .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item.open {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-deep) 100%);
            padding: 50px 0 70px;
            text-align: center;
            border-top: 1px solid var(--border-subtle);
        }
        .cta-box {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 44px 32px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(0, 212, 255, 0.04) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            color: var(--text-secondary);
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 34px;
            border-radius: 26px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.4px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #e69500 100%);
            color: #1a1a1a;
            box-shadow: 0 6px 24px var(--accent-gold-dim);
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
        }
        .btn-primary:hover {
            box-shadow: 0 10px 34px var(--accent-gold-glow);
            transform: translateY(-2px);
            color: #111;
        }
        .btn-outline {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            background: transparent;
            color: var(--neon-cyan);
            border: 2px solid var(--neon-cyan);
            box-shadow: 0 0 14px var(--neon-cyan-dim);
            transition: all var(--transition-smooth);
            margin-left: 12px;
            position: relative;
            z-index: 1;
        }
        .btn-outline:hover {
            background: rgba(0, 212, 255, 0.08);
            box-shadow: 0 0 24px var(--neon-cyan-glow);
            color: #fff;
        }
        @media (max-width: 520px) {
            .btn-outline {
                margin-left: 0;
                margin-top: 10px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 20px;
            color: var(--text-secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 30px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 10px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: all var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--neon-cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== UTILS ========== */
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-0 {
            margin-top: 0 !important;
        }

/* roulang page: category4 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0b5ed7;
            --primary-light: #3b8bff;
            --accent: #f59e0b;
            --accent-glow: #fbbf24;
            --bg-dark: #080c1a;
            --bg-darker: #040810;
            --bg-nav: #0a0e1c;
            --bg-card: #ffffff;
            --bg-light: #f8fafc;
            --bg-soft: #f1f5f9;
            --text-primary: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 6px 18px rgba(0, 0, 0, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 68px;
            --neon-blue: #3b82f6;
            --neon-cyan: #06b6d4;
            --neon-glow: 0 0 18px rgba(59, 130, 246, 0.5);
            --neon-glow-strong: 0 0 28px rgba(59, 130, 246, 0.7), 0 0 60px rgba(6, 182, 212, 0.3);
        }

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

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

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

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--bg-nav);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }

        .logo {
            font-size: 1.65rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 2px;
            white-space: nowrap;
            transition: text-shadow var(--transition-base);
        }

        .logo span {
            color: var(--neon-blue);
            text-shadow: var(--neon-glow);
            font-weight: 900;
        }

        .logo:hover {
            text-shadow: var(--neon-glow-strong);
        }

        .nav-desktop {
            display: flex;
            list-style: none;
            align-items: center;
            gap: 4px;
            margin: 0;
        }

        .nav-desktop li {
            margin: 0;
        }

        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: #c8cde0;
            transition: all var(--transition-base);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 2px;
            background: var(--neon-blue);
            border-radius: 2px;
            transform: scaleX(0);
            transition: transform var(--transition-base);
            box-shadow: var(--neon-glow);
        }

        .nav-desktop a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
        }

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

        .nav-desktop a.active {
            color: #ffffff;
            background: rgba(59, 130, 246, 0.12);
            text-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
            font-weight: 600;
        }

        .nav-desktop a.active::after {
            transform: scaleX(1);
            box-shadow: var(--neon-glow-strong);
            height: 2.5px;
        }

        .nav-desktop .nav-cta {
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-cyan));
            color: #ffffff !important;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: 24px;
            margin-left: 8px;
            box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .nav-desktop .nav-cta:hover {
            box-shadow: var(--neon-glow-strong);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #4b94ff, #0ec9e0);
        }

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

        .mobile-toggle {
            display: none;
            background: transparent;
            color: #ffffff;
            font-size: 1.5rem;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            line-height: 1;
        }

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

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--bg-darker);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 12px 0;
            max-height: 70vh;
            overflow-y: auto;
        }

        .mobile-menu a {
            padding: 13px 24px;
            color: #c8cde0;
            font-size: 0.95rem;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all var(--transition-base);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #ffffff;
            background: rgba(59, 130, 246, 0.1);
            border-left-color: var(--neon-blue);
            text-shadow: 0 0 8px rgba(59, 130, 246, 0.4);
        }

        .mobile-menu .nav-cta {
            margin: 8px 20px;
            text-align: center;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-cyan));
            color: #ffffff !important;
            border-radius: 24px;
            font-weight: 600;
            border-left: none;
            padding: 12px 20px;
        }

        .mobile-menu .nav-cta:hover {
            border-left: none;
            background: linear-gradient(135deg, #4b94ff, #0ec9e0);
        }

        .mobile-menu.is-open {
            display: flex;
        }

        @media (max-width: 1024px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
        }

        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            padding: 80px 0 90px;
            background: var(--bg-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            text-align: center;
            isolation: isolate;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 12, 26, 0.82) 0%, rgba(8, 12, 26, 0.9) 60%, rgba(8, 12, 26, 0.96) 100%);
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--neon-blue), var(--neon-cyan), var(--neon-blue), transparent);
            z-index: 2;
            box-shadow: var(--neon-glow-strong);
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 3;
            max-width: 750px;
            margin: 0 auto;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(59, 130, 246, 0.18);
            border: 1px solid rgba(59, 130, 246, 0.35);
            color: var(--neon-cyan);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            line-height: 1.2;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }

        .page-hero h1 span {
            color: var(--neon-blue);
            text-shadow: var(--neon-glow);
        }

        .page-hero .hero-desc {
            font-size: 1.15rem;
            color: #c8cde0;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .page-hero .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            text-align: center;
            justify-content: center;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--neon-blue), #2563eb);
            color: #ffffff;
            box-shadow: 0 6px 22px rgba(59, 130, 246, 0.4);
            border: none;
        }

        .btn-primary:hover {
            box-shadow: var(--neon-glow-strong);
            transform: translateY(-3px);
            color: #ffffff;
            background: linear-gradient(135deg, #4b94ff, #1d4ed8);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
        }

        .btn-outline:hover {
            border-color: var(--neon-blue);
            background: rgba(59, 130, 246, 0.1);
            color: #ffffff;
            box-shadow: var(--neon-glow);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #d97706);
            color: #1e293b;
            border: none;
            font-weight: 700;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
        }

        .btn-accent:hover {
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.5);
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 50px 0 60px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero .hero-desc {
                font-size: 1rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 70px 0;
        }

        .section-alt {
            background: #ffffff;
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }

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

        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            margin-bottom: 10px;
            background: rgba(13, 110, 253, 0.08);
            padding: 5px 16px;
            border-radius: 20px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

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

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-dark .section-header .section-subtitle {
            color: #94a3b8;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #dde4f0;
        }

        .card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(6, 182, 212, 0.08));
            color: var(--primary);
            flex-shrink: 0;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .card p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        .card-accent {
            border-top: 4px solid var(--accent);
        }

        .card-neon {
            border-top: 4px solid var(--neon-blue);
            box-shadow: var(--shadow-md), 0 0 0 1px rgba(59, 130, 246, 0.08);
        }

        .card-neon:hover {
            box-shadow: var(--shadow-lg), 0 0 24px rgba(59, 130, 246, 0.15);
        }

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .cards-grid,
            .cards-grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PREDICTION CARDS ========== */
        .prediction-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

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

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

        .prediction-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

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

        .prediction-card .card-img .match-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #ffffff;
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        .prediction-card .card-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .prediction-card .match-teams {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .prediction-card .prediction-score {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
        }

        .prediction-card .prediction-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .prediction-card .confidence-bar {
            height: 6px;
            border-radius: 3px;
            background: #e2e8f0;
            margin-top: 6px;
            overflow: hidden;
        }

        .prediction-card .confidence-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--neon-blue), var(--neon-cyan));
            transition: width var(--transition-slow);
        }

        @media (max-width: 768px) {
            .prediction-list {
                grid-template-columns: 1fr;
            }
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 16px;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(59, 130, 246, 0.4);
            box-shadow: var(--neon-glow);
        }

        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card .stat-number span {
            color: var(--neon-cyan);
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: #94a3b8;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-card .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 10px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ========== METHODOLOGY ========== */
        .methodology-steps {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }

        .methodology-steps::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--neon-blue), var(--neon-cyan), var(--neon-blue));
            border-radius: 1px;
        }

        .methodology-step {
            position: relative;
            padding: 18px 0 18px 32px;
            transition: all var(--transition-base);
        }

        .methodology-step::before {
            content: '';
            position: absolute;
            left: -25px;
            top: 24px;
            width: 14px;
            height: 14px;
            border-radius: var(--radius-full);
            background: var(--neon-blue);
            box-shadow: var(--neon-glow);
            z-index: 1;
            border: 3px solid #ffffff;
        }

        .methodology-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .methodology-step p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            margin: 0;
        }

        @media (max-width: 600px) {
            .methodology-steps {
                padding-left: 28px;
            }
            .methodology-step {
                padding-left: 20px;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #dde4f0;
        }

        .testimonial-card .quote-icon {
            color: var(--primary-light);
            font-size: 1.8rem;
            margin-bottom: 8px;
            opacity: 0.6;
        }

        .testimonial-card .quote-text {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            font-style: italic;
        }

        .testimonial-card .quote-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-card .quote-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

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

        @media (max-width: 600px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .faq-item:hover {
            border-color: #d0d8e4;
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: transparent;
            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-base);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-base);
            color: var(--text-muted);
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #0f172a 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: #c8cde0;
            font-size: 1.05rem;
            margin-bottom: 28px;
        }

        .cta-section .btn {
            font-size: 1rem;
            padding: 15px 34px;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-darker);
            color: #c8cde0;
            padding: 50px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 10px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 0.9rem;
            color: #94a3b8;
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--neon-blue);
            text-shadow: 0 0 8px rgba(59, 130, 246, 0.3);
        }

        .footer-bottom {
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        @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;
                gap: 20px;
            }
        }

        /* ========== MISC ========== */
        .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;
        }

        .highlight-box {
            background: linear-gradient(135deg, rgba(13, 110, 253, 0.04), rgba(6, 182, 212, 0.03));
            border: 1px solid rgba(13, 110, 253, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
        }

        .highlight-box p {
            font-size: 1rem;
            color: var(--text-primary);
            font-weight: 500;
            margin: 0;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .tag-blue {
            background: rgba(13, 110, 253, 0.1);
            color: var(--primary);
        }
        .tag-green {
            background: rgba(16, 185, 129, 0.1);
            color: #10b981;
        }
        .tag-amber {
            background: rgba(245, 158, 11, 0.1);
            color: #d97706;
        }