/* roulang page: index */
:root {
            --primary: #0f0f1a;
            --primary-light: #1c1c30;
            --primary-lighter: #2a2a42;
            --accent: #c8a44e;
            --accent-light: #e0c87a;
            --accent-dark: #9e7d34;
            --accent-glow: rgba(200, 164, 78, 0.25);
            --bg: #f9f7f3;
            --bg-alt: #f0ede6;
            --surface: #ffffff;
            --surface-hover: #fafaf8;
            --text: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-muted: #7a7a7a;
            --text-inverse: #f5f5f5;
            --border: #e2ded6;
            --border-light: #efebe4;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.13);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.16);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-2xl: 32px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1200px;
            --container-narrow: 960px;
            --nav-height: 66px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            transition: all var(--transition);
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--surface);
            color: var(--text);
        }
        input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        ul {
            list-style: none;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            gap: 16px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .header-nav a:hover {
            color: var(--primary);
            background: var(--bg-alt);
        }
        .header-nav a.active {
            color: var(--accent-dark);
            font-weight: 600;
            background: rgba(200, 164, 78, 0.1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search input {
            width: 180px;
            padding: 8px 36px 8px 14px;
            font-size: 0.88rem;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: var(--bg);
            transition: all var(--transition-fast);
        }
        .header-search input:focus {
            width: 220px;
            border-color: var(--accent);
            background: var(--surface);
        }
        .header-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn--accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            box-shadow: 0 4px 14px rgba(200, 164, 78, 0.35);
        }
        .btn--accent:hover {
            box-shadow: 0 6px 20px rgba(200, 164, 78, 0.5);
            transform: translateY(-1px);
        }
        .btn--accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(200, 164, 78, 0.3);
        }
        .btn--outline {
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent-dark);
        }
        .btn--outline:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn--primary-dark {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
        }
        .btn--primary-dark:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn--lg {
            padding: 13px 28px;
            font-size: 1rem;
            border-radius: 26px;
        }
        .btn--xl {
            padding: 15px 34px;
            font-size: 1.05rem;
            border-radius: 28px;
        }
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: var(--bg-alt);
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0f0f1a 0%, #1a1830 35%, #1c1c30 65%, #0f0f1a 100%);
            overflow: hidden;
            isolation: isolate;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.35;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            filter: brightness(0.7) saturate(0.9);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 164, 78, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(200, 164, 78, 0.08) 0%, transparent 50%),
                linear-gradient(180deg, rgba(15, 15, 26, 0.55) 0%, rgba(15, 15, 26, 0.7) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 80px 24px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(200, 164, 78, 0.18);
            border: 1px solid rgba(200, 164, 78, 0.35);
            color: var(--accent-light);
            font-size: 0.88rem;
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .hero-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-light);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 0.6;
                transform: scale(1);
            }
            50% {
                opacity: 1;
                transform: scale(1.5);
            }
        }
        .hero h1 {
            font-family: var(--font-display);
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            max-width: 700px;
        }
        .hero h1 .highlight {
            color: var(--accent-light);
            position: relative;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: #d0d0d8;
            line-height: 1.75;
            max-width: 620px;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 4px;
        }

        /* Section base */
        .section {
            padding: var(--section-gap) 0;
        }
        .section--alt {
            background: var(--bg-alt);
        }
        .section--dark {
            background: var(--primary);
            color: var(--text-inverse);
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 10px;
        }
        .section--dark .section-header h2 {
            color: #fff;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section--dark .section-header .section-subtitle {
            color: #b0b0ba;
        }
        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 12px auto 0;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            border-radius: 0 0 var(--radius-xs) var(--radius-xs);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            font-family: var(--font-display);
        }
        .stat-number .stat-unit {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--accent-dark);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cards-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--bg-alt);
        }
        .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
        }
        .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(200, 164, 78, 0.12);
            color: var(--accent-dark);
            letter-spacing: 0.02em;
            align-self: flex-start;
        }
        .card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
            margin-top: 4px;
        }
        .card-link:hover {
            gap: 9px;
            color: var(--accent);
        }

        /* Advantage Cards */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .advantage-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: linear-gradient(135deg, rgba(200, 164, 78, 0.2), rgba(200, 164, 78, 0.08));
            color: var(--accent-dark);
            flex-shrink: 0;
        }
        .advantage-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
        }
        .advantage-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Brand Story */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
        }
        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .story-text h3 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .story-text p {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-stars {
            color: var(--accent);
            font-size: 0.95rem;
            letter-spacing: 2px;
        }
        .testimonial-text {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            flex: 1;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }
        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-dark);
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent-dark);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: 18px;
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
            border-color: transparent;
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(200, 164, 78, 0.1);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 65px;
        }
        .news-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .news-content .news-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            margin-top: 6px;
            transition: gap var(--transition-fast);
        }
        .news-content .news-link:hover {
            gap: 7px;
            color: var(--accent);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(150deg, #0f0f1a 0%, #1a1830 40%, #1c1c30 100%);
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.18;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            filter: brightness(0.6);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: #c8c8d2;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        /* Partner Strip */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 30px 40px;
            padding: 20px 0;
        }
        .partner-item {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            opacity: 0.7;
            transition: opacity var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .partner-item:hover {
            opacity: 1;
            color: var(--accent-dark);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: #b8b8c4;
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 30px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #e8e8ee;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: #b0b0ba;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            color: #e8e8ee;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: #9999a5;
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.83rem;
            color: #888894;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid--3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .header-search input {
                width: 130px;
            }
            .header-search input:focus {
                width: 160px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --nav-height: 56px;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                gap: 0;
                z-index: 999;
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .header-search {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-actions .btn--accent {
                display: none;
            }
            .header-actions .btn--outline {
                font-size: 0.82rem;
                padding: 7px 14px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .cards-grid,
            .cards-grid--3 {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero {
                min-height: 480px;
            }
            .hero-content {
                padding: 50px 20px;
                gap: 16px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .cards-grid,
            .cards-grid--3 {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hero {
                min-height: 400px;
            }
            .hero h1 {
                font-size: 1.45rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .btn--xl {
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            .partner-strip {
                gap: 16px 20px;
            }
            .partner-item {
                font-size: 0.85rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #24244a;
            --color-accent: #e8a838;
            --color-accent-hover: #d49520;
            --color-accent-light: #f5d78c;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-surface-dark: #151525;
            --color-text: #1a1a2e;
            --color-text-weak: #6b7280;
            --color-text-light: #9ca3af;
            --color-text-on-dark: #e5e7eb;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-success: #10b981;
            --color-gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #24244a 40%, #1a1a2e 100%);
            --color-gradient-accent: linear-gradient(135deg, #e8a838 0%, #d49520 50%, #c0841f 100%);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 50%;
            --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 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.16), 0 8px 20px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.14), 0 6px 16px rgba(0, 0, 0, 0.08);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-lg: 1.125rem;
            --font-size-xl: 1.25rem;
            --font-size-2xl: 1.5rem;
            --font-size-3xl: 1.875rem;
            --font-size-4xl: 2.25rem;
            --font-size-5xl: 3rem;
            --font-size-6xl: 3.75rem;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;
            --spacing-4xl: 6rem;
            --spacing-5xl: 8rem;
            --container-max: 1280px;
            --container-narrow: 960px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --nav-height: 72px;
        }

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

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

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

        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-xl);
        }

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

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 46, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: var(--font-size-2xl);
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .header-logo:hover {
            opacity: 0.85;
        }

        .header-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-gradient-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #1a1a2e;
            font-weight: 900;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-wrap: nowrap;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.05rem;
            border-radius: var(--radius-md);
            font-size: var(--font-size-sm);
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            position: relative;
        }

        .header-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .header-nav a.active {
            color: #ffffff;
            background: rgba(232, 168, 56, 0.18);
            font-weight: 600;
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 0.45rem 0.9rem;
            gap: 0.5rem;
            transition: all var(--transition-fast);
        }

        .header-search:hover,
        .header-search:focus-within {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.28);
        }

        .header-search input {
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: var(--font-size-sm);
            width: 160px;
            outline: none;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.55rem 1.4rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: var(--font-size-sm);
            letter-spacing: 0.01em;
            background: var(--color-gradient-accent);
            color: #1a1a2e;
            box-shadow: var(--shadow-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #1a1a2e;
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.5rem 1.3rem;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: var(--font-size-sm);
            letter-spacing: 0.01em;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            color: #ffffff;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

        .btn-lg {
            padding: 0.85rem 2.2rem;
            font-size: var(--font-size-base);
            border-radius: var(--radius-lg);
            font-weight: 700;
        }

        .btn-xl {
            padding: 1rem 2.8rem;
            font-size: var(--font-size-lg);
            border-radius: var(--radius-xl);
            font-weight: 700;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1001;
        }

        .mobile-menu-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #ffffff;
            border-radius: 3px;
            transition: all var(--transition-fast);
        }

        /* 内页Banner */
        .page-banner {
            position: relative;
            padding: var(--spacing-4xl) 0 var(--spacing-3xl);
            background: var(--color-gradient-hero);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }

        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.25;
        }

        .page-banner .banner-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.6) saturate(1.2);
        }

        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.55) 0%, rgba(26, 26, 46, 0.85) 100%);
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #ffffff;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(232, 168, 56, 0.2);
            color: var(--color-accent-light);
            padding: 0.4rem 1.2rem;
            border-radius: var(--radius-md);
            font-size: var(--font-size-sm);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-lg);
            border: 1px solid rgba(232, 168, 56, 0.3);
        }

        .page-banner h1 {
            font-size: var(--font-size-5xl);
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
        }

        .page-banner .banner-subtitle {
            font-size: var(--font-size-lg);
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: var(--font-size-sm);
            color: rgba(255, 255, 255, 0.7);
            justify-content: center;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }

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

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

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

        /* 板块通用 */
        .section {
            padding: var(--spacing-4xl) 0;
        }

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

        .section-dark {
            background: var(--color-primary);
            color: #ffffff;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-3xl);
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: var(--font-size-xs);
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
        }

        .section-header h2 {
            font-size: var(--font-size-4xl);
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: var(--spacing-md);
            color: var(--color-text);
        }

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

        .section-header .section-desc {
            font-size: var(--font-size-lg);
            color: var(--color-text-weak);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

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

        .section-header .section-tag-accent {
            color: var(--color-accent);
        }

        /* 游戏分类导航条 */
        .game-category-bar {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
            margin-bottom: var(--spacing-2xl);
        }

        .game-category-bar .cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.3rem;
            border-radius: var(--radius-lg);
            font-size: var(--font-size-sm);
            font-weight: 500;
            background: var(--color-surface);
            border: 1.5px solid var(--color-border);
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .game-category-bar .cat-chip:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(232, 168, 56, 0.04);
        }

        .game-category-bar .cat-chip.active {
            background: var(--color-accent);
            color: #1a1a2e;
            border-color: var(--color-accent);
            font-weight: 700;
            box-shadow: var(--shadow-md);
        }

        /* 游戏卡片网格 */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

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

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

        .game-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-surface-alt);
        }

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

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

        .game-card .card-img-wrap .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-sm);
            font-size: var(--font-size-xs);
            font-weight: 700;
            letter-spacing: 0.03em;
            z-index: 1;
        }

        .badge-hot {
            background: #ef4444;
            color: #ffffff;
        }

        .badge-new {
            background: #10b981;
            color: #ffffff;
        }

        .badge-recommend {
            background: var(--color-accent);
            color: #1a1a2e;
        }

        .badge-popular {
            background: #6366f1;
            color: #ffffff;
        }

        .game-card .card-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-card .card-title {
            font-size: var(--font-size-xl);
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            color: var(--color-text);
            line-height: 1.3;
        }

        .game-card .card-desc {
            font-size: var(--font-size-sm);
            color: var(--color-text-weak);
            margin-bottom: var(--spacing-md);
            line-height: 1.6;
            flex: 1;
        }

        .game-card .card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            font-size: var(--font-size-xs);
            color: var(--color-text-light);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--color-border-light);
        }

        .game-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .game-card .card-action {
            margin-top: var(--spacing-md);
            display: flex;
            gap: var(--spacing-sm);
        }

        .btn-sm {
            padding: 0.45rem 1.1rem;
            font-size: var(--font-size-xs);
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .btn-ghost {
            background: transparent;
            border: 1.5px solid var(--color-border);
            color: var(--color-text);
            padding: 0.45rem 1.1rem;
            font-size: var(--font-size-xs);
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-ghost:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* 排行榜 */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
            margin: 0 auto;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .rank-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateX(4px);
        }

        .rank-item .rank-num {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: var(--font-size-lg);
            flex-shrink: 0;
            background: var(--color-surface-alt);
            color: var(--color-text-weak);
        }

        .rank-item.top-1 .rank-num {
            background: linear-gradient(135deg, #fbbf24, #e8a838);
            color: #1a1a2e;
            box-shadow: 0 4px 16px rgba(232, 168, 56, 0.4);
            font-size: var(--font-size-xl);
        }

        .rank-item.top-2 .rank-num {
            background: linear-gradient(135deg, #c0c0c0, #9ca3af);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(156, 163, 175, 0.4);
        }

        .rank-item.top-3 .rank-num {
            background: linear-gradient(135deg, #d9776f, #b85c3a);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(185, 92, 58, 0.4);
        }

        .rank-item .rank-img {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-surface-alt);
        }

        .rank-item .rank-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-item .rank-name {
            font-weight: 700;
            font-size: var(--font-size-base);
            color: var(--color-text);
            margin-bottom: 0.2rem;
        }

        .rank-item .rank-desc {
            font-size: var(--font-size-xs);
            color: var(--color-text-weak);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rank-item .rank-stats {
            display: flex;
            gap: var(--spacing-lg);
            flex-shrink: 0;
            text-align: center;
        }

        .rank-item .rank-stat-val {
            font-weight: 700;
            font-size: var(--font-size-lg);
            color: var(--color-accent);
        }

        .rank-item .rank-stat-label {
            font-size: var(--font-size-xs);
            color: var(--color-text-light);
        }

        /* 游戏特色卡片 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
        }

        .feature-card {
            text-align: center;
            padding: var(--spacing-2xl) var(--spacing-lg);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .feature-card .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-lg);
            font-size: 1.6rem;
            background: rgba(232, 168, 56, 0.1);
            color: var(--color-accent);
        }

        .feature-card h4 {
            font-size: var(--font-size-lg);
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
        }

        .feature-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
        }

        .step-card {
            text-align: center;
            position: relative;
            padding: var(--spacing-xl);
        }

        .step-card .step-num {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-lg);
            font-weight: 800;
            font-size: var(--font-size-xl);
            background: var(--color-gradient-accent);
            color: #1a1a2e;
            box-shadow: 0 6px 20px rgba(232, 168, 56, 0.35);
        }

        .step-card h4 {
            font-weight: 700;
            font-size: var(--font-size-base);
            margin-bottom: var(--spacing-xs);
            color: #ffffff;
        }

        .step-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-on-dark);
            line-height: 1.6;
        }

        /* CTA板块 */
        .cta-section {
            padding: var(--spacing-5xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            background: var(--color-gradient-hero);
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.2;
        }

        .cta-section .cta-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .cta-section h2 {
            font-size: var(--font-size-4xl);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
        }

        .cta-section p {
            font-size: var(--font-size-lg);
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--color-surface-dark);
            color: #ffffff;
            padding: var(--spacing-4xl) 0 var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand {
            font-size: var(--font-size-2xl);
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-md);
            color: var(--color-accent);
        }

        .footer-desc {
            font-size: var(--font-size-sm);
            color: var(--color-text-on-dark);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: var(--font-size-sm);
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: #ffffff;
            margin-bottom: var(--spacing-lg);
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .footer-col ul li {
            font-size: var(--font-size-sm);
            color: var(--color-text-on-dark);
        }

        .footer-col ul li a {
            color: var(--color-text-on-dark);
            transition: color var(--transition-fast);
        }

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

        .footer-col ul li span {
            color: var(--color-text-on-dark);
        }

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-xl);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: var(--font-size-xs);
            color: var(--color-text-light);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-search input {
                width: 100px;
            }
            .header-nav a {
                padding: 0.45rem 0.7rem;
                font-size: var(--font-size-xs);
            }
            .page-banner h1 {
                font-size: var(--font-size-4xl);
            }
            .rank-item .rank-stats {
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
                font-size: 15px;
            }
            .container {
                padding: 0 var(--spacing-md);
            }
            .header-inner {
                padding: 0 var(--spacing-md);
            }
            .header-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                flex-direction: column;
                background: rgba(26, 26, 46, 0.98);
                backdrop-filter: blur(20px);
                padding: var(--spacing-xl);
                gap: var(--spacing-sm);
                transform: translateX(100%);
                transition: transform var(--transition-base);
                z-index: 999;
                align-items: stretch;
            }
            .header-nav.mobile-open {
                transform: translateX(0);
            }
            .header-nav a {
                padding: 0.8rem 1.2rem;
                font-size: var(--font-size-base);
                border-radius: var(--radius-md);
                text-align: center;
            }
            .header-search {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .header-actions .btn-outline {
                display: none;
            }
            .game-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .page-banner {
                min-height: 280px;
                padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            }
            .page-banner h1 {
                font-size: var(--font-size-3xl);
            }
            .rank-item {
                flex-wrap: wrap;
                gap: var(--spacing-md);
            }
            .rank-item .rank-stats {
                width: 100%;
                justify-content: space-around;
                padding-top: var(--spacing-sm);
                border-top: 1px solid var(--color-border-light);
            }
            .game-category-bar {
                gap: var(--spacing-xs);
            }
            .game-category-bar .cat-chip {
                padding: 0.5rem 0.9rem;
                font-size: var(--font-size-xs);
            }
            .section-header h2 {
                font-size: var(--font-size-2xl);
            }
            .cta-section h2 {
                font-size: var(--font-size-2xl);
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: var(--font-size-2xl);
            }
            .page-banner .banner-subtitle {
                font-size: var(--font-size-sm);
            }
            .cta-section {
                padding: var(--spacing-3xl) 0;
            }
            .cta-section h2 {
                font-size: var(--font-size-xl);
            }
            .btn-xl {
                padding: 0.75rem 1.8rem;
                font-size: var(--font-size-sm);
            }
            .rank-item .rank-img {
                width: 52px;
                height: 52px;
            }
            .rank-item .rank-num {
                width: 34px;
                height: 34px;
                font-size: var(--font-size-base);
            }
            .rank-item.top-1 .rank-num {
                font-size: var(--font-size-lg);
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0f0f23;
            --primary-light: #1a1a38;
            --primary-mid: #232350;
            --accent: #c8963e;
            --accent-light: #e0b860;
            --accent-glow: #f0d078;
            --accent-dark: #8b5e2a;
            --bg: #f6f7fb;
            --bg-alt: #edf0f6;
            --white: #ffffff;
            --text: #1e1e2e;
            --text-secondary: #4a4a62;
            --text-light: #7a7a94;
            --text-muted: #9a9ab0;
            --border: #e2e5ee;
            --border-light: #eef0f6;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(15, 15, 35, 0.04);
            --shadow-sm: 0 2px 10px rgba(15, 15, 35, 0.06);
            --shadow: 0 4px 20px rgba(15, 15, 35, 0.08);
            --shadow-lg: 0 8px 36px rgba(15, 15, 35, 0.12);
            --shadow-xl: 0 16px 48px rgba(15, 15, 35, 0.16);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul {
            list-style: none;
        }

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

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

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

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .header-nav a:hover {
            color: var(--accent);
            background: rgba(200, 150, 62, 0.06);
        }

        .header-nav a.active {
            color: var(--accent);
            background: rgba(200, 150, 62, 0.1);
            font-weight: 600;
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

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

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            border: 1px solid transparent;
            transition: all var(--transition);
            width: 200px;
        }

        .header-search:focus-within {
            border-color: var(--accent);
            background: var(--white);
            box-shadow: var(--shadow-sm);
            width: 240px;
        }

        .header-search i {
            color: var(--text-light);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .header-search input {
            background: transparent;
            width: 100%;
            color: var(--text);
            font-size: 0.9rem;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .btn-nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            padding: 10px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.3);
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .btn-nav-cta:hover {
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.45);
            transform: translateY(-1px);
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
        }

        .btn-nav-cta:active {
            transform: scale(0.97);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mobile-menu-toggle:hover {
            background: var(--bg-alt);
            color: var(--accent);
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative;
            background: var(--primary-light);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 35, 0.88) 0%, rgba(26, 26, 56, 0.78) 40%, rgba(35, 35, 80, 0.65) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 50px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition);
        }

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

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

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

        .page-banner h1 {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            line-height: 1.7;
        }

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

        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .banner-stat-item .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-light);
            flex-shrink: 0;
        }

        .banner-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
        }

        .banner-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: 60px 0;
        }

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

        .section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: rgba(200, 150, 62, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-header .section-desc {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 580px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== CATEGORY CARDS GRID ===== */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .cat-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
            cursor: pointer;
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

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

        .cat-card .cat-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }

        .cat-card .cat-card-body {
            padding: 18px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .cat-card .cat-card-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            margin-bottom: 10px;
            flex-shrink: 0;
        }

        .cat-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .cat-card p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.55;
            flex: 1;
        }

        .cat-card .cat-card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.85rem;
            margin-top: 10px;
            transition: gap var(--transition);
        }

        .cat-card .cat-card-link:hover {
            gap: 8px;
        }

        /* ===== TOURNAMENT LIST ===== */
        .tournament-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .tournament-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            flex-wrap: wrap;
        }

        .tournament-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
            transform: translateY(-2px);
        }

        .tournament-item .t-thumb {
            width: 70px;
            height: 70px;
            border-radius: var(--radius);
            object-fit: cover;
            flex-shrink: 0;
        }

        .tournament-item .t-info {
            flex: 1;
            min-width: 180px;
        }

        .tournament-item .t-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .tournament-item .t-info .t-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .tournament-item .t-info .t-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .tournament-item .t-status {
            flex-shrink: 0;
        }

        .badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-live {
            background: #ff4757;
            color: #fff;
            animation: pulse-badge 2s infinite;
        }

        .badge-upcoming {
            background: #fff3e0;
            color: #e67e22;
            border: 1px solid #fce4cc;
        }

        .badge-ended {
            background: #f0f0f5;
            color: #7a7a94;
        }

        .badge-hot {
            background: #ffeaea;
            color: #d63031;
            border: 1px solid #ffd4d4;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 71, 87, 0);
            }
        }

        .t-prize {
            font-weight: 700;
            color: var(--accent-dark);
            font-size: 1.05rem;
            flex-shrink: 0;
            text-align: right;
            min-width: 90px;
        }

        .t-prize small {
            display: block;
            font-weight: 400;
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        /* ===== LEADERBOARD ===== */
        .leaderboard-table {
            width: 100%;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            border-collapse: collapse;
        }

        .leaderboard-table thead {
            background: var(--primary);
            color: #fff;
        }

        .leaderboard-table th {
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
        }

        .leaderboard-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            vertical-align: middle;
        }

        .leaderboard-table tbody tr {
            transition: background var(--transition);
        }

        .leaderboard-table tbody tr:hover {
            background: #fafbfd;
        }

        .leaderboard-table .rank-col {
            width: 60px;
            text-align: center;
        }

        .rank-badge {
            display: inline-flex;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .rank-1 {
            background: #ffd700;
            color: #5c3d00;
        }
        .rank-2 {
            background: #c0c0c0;
            color: #333;
        }
        .rank-3 {
            background: #cd7f32;
            color: #fff;
        }
        .rank-other {
            background: #eef0f6;
            color: #555;
        }

        .player-avatar-small {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            object-fit: cover;
            display: inline-block;
            vertical-align: middle;
            margin-right: 10px;
        }

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

        .upcoming-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .upcoming-card .uc-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

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

        .upcoming-card .uc-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .upcoming-card .uc-body {
            padding: 16px 18px 18px;
        }

        .upcoming-card .uc-body h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .upcoming-card .uc-body .uc-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

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

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--primary);
            background: var(--white);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-light);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

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

        .faq-item.open .faq-question {
            color: var(--accent);
            background: #fdfaf6;
        }

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

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

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

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            top: -120px;
            right: -100px;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.06);
            bottom: -80px;
            left: -60px;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 10px 0;
            color: #fff;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn-cta-large {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            color: #fff;
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.4);
            transition: all var(--transition);
        }

        .btn-cta-large:hover {
            box-shadow: 0 12px 36px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
            background: linear-gradient(135deg, var(--accent-glow), var(--accent-light));
        }

        .btn-cta-large:active {
            transform: scale(0.96);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--primary);
            color: #c8c8d8;
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: #a0a0b8;
            line-height: 1.65;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.85rem;
            color: #a0a0b8;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #7878a0;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .upcoming-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .header-search {
                width: 140px;
            }
            .header-search:focus-within {
                width: 180px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .banner-stats-row {
                gap: 20px;
            }
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 8px 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border);
                display: none;
                z-index: 999;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .header-nav.show {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .header-nav a.active::after {
                display: none;
            }
            .header-nav a.active {
                background: rgba(200, 150, 62, 0.1);
                border-left: 3px solid var(--accent);
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-search {
                width: 120px;
                padding: 7px 12px;
            }
            .header-search:focus-within {
                width: 150px;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .cat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .upcoming-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .tournament-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .tournament-item .t-prize {
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-banner {
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .banner-stats-row {
                gap: 14px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.3rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .leaderboard-table {
                font-size: 0.8rem;
            }
            .leaderboard-table th,
            .leaderboard-table td {
                padding: 10px 8px;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .cta-inner p {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .cat-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .upcoming-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .header-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 7px 12px;
                font-size: 0.75rem;
                border-radius: 20px;
            }
            .page-banner {
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.85rem;
            }
            .banner-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.1rem;
            }
            .section {
                padding: 28px 0;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .section-header .section-desc {
                font-size: 0.85rem;
            }
            .tournament-item .t-thumb {
                width: 50px;
                height: 50px;
            }
            .tournament-item .t-info h4 {
                font-size: 0.9rem;
            }
            .leaderboard-table {
                font-size: 0.7rem;
                display: block;
                overflow-x: auto;
            }
            .faq-question {
                font-size: 0.85rem;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 0.8rem;
            }
            .cta-inner h2 {
                font-size: 1.3rem;
            }
            .btn-cta-large {
                padding: 12px 26px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0f1a2e;
            --color-primary-light: #1a2740;
            --color-accent: #c8a45c;
            --color-accent-light: #d9b86e;
            --color-accent-dark: #a8873d;
            --color-bg: #f7f5f0;
            --color-bg-alt: #f0ede6;
            --color-surface: #ffffff;
            --color-text: #1a1a1a;
            --color-text-soft: #5a5a5a;
            --color-text-muted: #8c8c8c;
            --color-border: #e0dcd4;
            --color-border-light: #ede9e1;
            --color-tag-bg: #f5f1e8;
            --color-tag-text: #8b7355;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 1.875rem;
            --font-3xl: 2.25rem;
            --font-4xl: 2.75rem;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --max-width-narrow: 900px;
        }

        *,
        *::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: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .container-narrow {
            width: 100%;
            max-width: var(--max-width-narrow);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: var(--font-xl);
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-base);
        }

        .header-logo:hover {
            opacity: 0.85;
        }

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary);
            font-weight: 800;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 1;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .header-nav::-webkit-scrollbar {
            display: none;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            white-space: nowrap;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            position: relative;
        }

        .header-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .header-nav a.active {
            color: var(--color-accent-light);
            background: rgba(200, 164, 92, 0.12);
            font-weight: 600;
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .btn-header {
            padding: 9px 20px;
            border-radius: 8px;
            font-size: var(--font-sm);
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-header-outline {
            background: transparent;
            color: #ffffff;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
        }

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

        .btn-header-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            border: 1.5px solid var(--color-accent);
        }

        .btn-header-primary:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(200, 164, 92, 0.35);
        }

        /* Mobile nav toggle */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            padding: 4px;
            cursor: pointer;
            flex-shrink: 0;
            line-height: 1;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(15, 26, 46, 0.82) 0%,
                    rgba(15, 26, 46, 0.7) 40%,
                    rgba(15, 26, 46, 0.78) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: var(--spacing-3xl) var(--spacing-lg);
            width: 100%;
        }

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--spacing-md);
        }

        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-base);
        }

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

        .banner-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }

        .banner-breadcrumb .current {
            color: var(--color-accent-light);
            font-weight: 500;
        }

        .banner-title {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
        }

        .banner-desc {
            font-size: var(--font-lg);
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            line-height: 1.7;
        }

        .banner-meta {
            display: flex;
            gap: var(--spacing-xl);
            margin-top: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .banner-meta-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            color: rgba(255, 255, 255, 0.8);
            font-size: var(--font-sm);
        }

        .banner-meta-item .meta-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        /* Main content area */
        .main-content {
            flex: 1;
            padding: var(--spacing-3xl) 0;
        }

        /* Section */
        .section {
            padding: var(--spacing-3xl) 0;
        }

        .section-header {
            margin-bottom: var(--spacing-2xl);
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }

        .section-title {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            position: relative;
            padding-left: var(--spacing-lg);
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: var(--font-base);
            color: var(--color-text-soft);
            margin-top: var(--spacing-sm);
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--color-accent);
            color: #ffffff;
            font-size: var(--font-xs);
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        /* Article Grid */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

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

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

        .article-card-image {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #e8e4db;
        }

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

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

        .article-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: var(--color-accent);
            color: #ffffff;
            font-size: var(--font-xs);
            font-weight: 600;
            border-radius: 4px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .article-card-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card-date {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-sm);
        }

        .article-card-title {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-base);
        }

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

        .article-card-excerpt {
            font-size: var(--font-sm);
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .article-card-read {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--color-accent-dark);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-base);
        }

        .article-card:hover .article-card-read {
            gap: 8px;
        }

        .article-card-read .arrow {
            font-size: 0.8rem;
            transition: transform var(--transition-base);
        }

        .article-card:hover .article-card-read .arrow {
            transform: translateX(2px);
        }

        /* Featured deep-read section */
        .deep-read-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .deep-read-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-slow);
            border: 1px solid var(--color-border-light);
        }

        .deep-read-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
        }

        .deep-read-image {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e0dcd4;
        }

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

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

        .deep-read-body {
            padding: var(--spacing-lg);
        }

        .deep-read-label {
            display: inline-block;
            padding: 4px 10px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-size: var(--font-xs);
            font-weight: 600;
            border-radius: 4px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .deep-read-title {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
        }

        .deep-read-excerpt {
            font-size: var(--font-sm);
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* Tags cloud */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .tag-pill {
            padding: 8px 18px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--color-text-soft);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .tag-pill:hover {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .tag-pill.active-tag {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
            font-weight: 600;
        }

        /* Quick news list */
        .quick-news-list {
            display: flex;
            flex-direction: column;
            gap: 1px;
            background: var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .quick-news-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-lg);
            background: var(--color-surface);
            transition: all var(--transition-base);
            flex-wrap: wrap;
        }

        .quick-news-item:hover {
            background: #fdfcf8;
            padding-left: calc(var(--spacing-lg) + 6px);
        }

        .quick-news-date {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
            white-space: nowrap;
            font-weight: 500;
            min-width: 70px;
        }

        .quick-news-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        .quick-news-title {
            font-size: var(--font-base);
            font-weight: 500;
            color: var(--color-primary);
            flex: 1;
            min-width: 200px;
            transition: color var(--transition-base);
        }

        .quick-news-item:hover .quick-news-title {
            color: var(--color-accent-dark);
        }

        .quick-news-badge {
            padding: 3px 10px;
            border-radius: 12px;
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
        }

        .badge-new {
            background: #e8f5e9;
            color: #2e7d32;
        }

        .badge-hot {
            background: #fce4ec;
            color: #c62828;
        }

        .badge-trend {
            background: #e3f2fd;
            color: #1565c0;
        }

        /* CTA section */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: var(--spacing-3xl) var(--spacing-2xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.06);
            pointer-events: none;
        }

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

        .cta-title {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-md);
        }

        .cta-desc {
            font-size: var(--font-md);
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: var(--spacing-sm);
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: 10px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-size: var(--font-base);
            transition: all var(--transition-base);
        }

        .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.16);
            box-shadow: 0 0 0 4px rgba(200, 164, 92, 0.15);
        }

        .btn-cta {
            padding: 14px 28px;
            border-radius: 10px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: var(--font-base);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-cta:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 164, 92, 0.4);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

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

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

        .faq-question {
            padding: var(--spacing-lg) var(--spacing-xl);
            font-weight: 600;
            font-size: var(--font-md);
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            user-select: none;
            transition: all var(--transition-base);
        }

        .faq-question:hover {
            color: var(--color-accent-dark);
            background: #fdfcf8;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent-dark);
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent);
            color: #ffffff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-xl);
            font-size: var(--font-base);
            color: var(--color-text-soft);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 var(--spacing-xl) var(--spacing-lg);
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: var(--font-sm);
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: var(--font-base);
            font-weight: 600;
            color: #ffffff;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .footer-col ul li {
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
        }

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

        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-lg);
            text-align: center;
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.45);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
            .deep-read-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
            .deep-read-grid .deep-read-card:last-child {
                grid-column: span 2;
                max-width: 500px;
                justify-self: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }
            .banner-title {
                font-size: var(--font-3xl);
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
                padding: 0 var(--spacing-md);
                gap: var(--spacing-sm);
            }
            .header-logo {
                font-size: var(--font-lg);
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 7px 10px;
                font-size: var(--font-xs);
            }
            .header-actions .btn-header {
                padding: 7px 12px;
                font-size: var(--font-xs);
            }
            .article-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .deep-read-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .deep-read-grid .deep-read-card:last-child {
                grid-column: span 1;
                max-width: none;
                justify-self: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .page-banner {
                min-height: 280px;
            }
            .banner-title {
                font-size: var(--font-2xl);
            }
            .banner-desc {
                font-size: var(--font-base);
            }
            .section-title {
                font-size: var(--font-xl);
            }
            .cta-section {
                padding: var(--spacing-2xl) var(--spacing-lg);
            }
            .cta-title {
                font-size: var(--font-xl);
            }
            .quick-news-item {
                padding: var(--spacing-sm) var(--spacing-md);
                gap: var(--spacing-sm);
            }
            .quick-news-date {
                min-width: 55px;
                font-size: 0.7rem;
            }
            .quick-news-title {
                font-size: var(--font-sm);
            }
            .header-actions {
                gap: 4px;
            }
            .header-actions .btn-header-outline {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 50px;
                padding: 0 var(--spacing-sm);
                gap: 4px;
            }
            .header-logo {
                font-size: var(--font-base);
            }
            .header-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .header-nav a {
                padding: 6px 8px;
                font-size: 0.7rem;
                border-radius: 6px;
            }
            .header-nav a.active::after {
                width: 14px;
                height: 2px;
                bottom: 1px;
            }
            .header-actions .btn-header {
                padding: 6px 10px;
                font-size: 0.7rem;
                border-radius: 6px;
            }
            .page-banner {
                min-height: 220px;
            }
            .banner-title {
                font-size: var(--font-xl);
            }
            .banner-desc {
                font-size: var(--font-sm);
            }
            .banner-content {
                padding: var(--spacing-xl) var(--spacing-md);
            }
            .container {
                padding: 0 var(--spacing-md);
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-header {
                margin-bottom: var(--spacing-lg);
            }
            .section-title {
                font-size: var(--font-lg);
                padding-left: 14px;
            }
            .section-title::before {
                width: 3px;
                height: 20px;
            }
            .article-card-body {
                padding: var(--spacing-md);
            }
            .article-card-title {
                font-size: var(--font-base);
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-input {
                min-width: auto;
            }
            .btn-cta {
                width: 100%;
                text-align: center;
            }
            .faq-question {
                padding: var(--spacing-md);
                font-size: var(--font-base);
            }
            .faq-answer {
                padding: 0 var(--spacing-md);
                font-size: var(--font-sm);
            }
            .faq-item.open .faq-answer {
                padding: 0 var(--spacing-md) var(--spacing-md);
            }
            .tag-pill {
                padding: 6px 12px;
                font-size: var(--font-xs);
            }
            .deep-read-title {
                font-size: var(--font-lg);
            }
            .deep-read-body {
                padding: var(--spacing-md);
            }
            .banner-meta {
                gap: var(--spacing-md);
            }
        }

/* roulang page: category3 */
:root {
            --primary: #C9A55C;
            --primary-dark: #A6863F;
            --primary-light: #E8D49E;
            --primary-glow: #F0DFB4;
            --secondary: #1A1A2E;
            --secondary-light: #252540;
            --accent: #D4AF37;
            --accent-soft: #E8CD6A;
            --bg: #FBF9F4;
            --bg-warm: #F5F0E6;
            --white: #FFFFFF;
            --text: #2C2C2C;
            --text-light: #6B6B6B;
            --text-muted: #999999;
            --border: #E5DFD0;
            --border-light: #F0EBE0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.16);
            --shadow-gold: 0 4px 24px rgba(201, 165, 92, 0.25);
            --shadow-gold-lg: 0 12px 48px rgba(201, 165, 92, 0.35);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 68px;
            --section-gap: 80px;
        }

        *,
        *::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);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition);
        }
        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(201, 165, 92, 0.1);
        }

        ul {
            list-style: none;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.28);
        }

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #1A1A2E;
            font-weight: 800;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--primary-light);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .header-nav a:hover {
            color: var(--white);
            background: rgba(255, 255, 255, 0.06);
        }
        .header-nav a.active {
            color: var(--primary);
            background: rgba(201, 165, 92, 0.1);
            font-weight: 600;
            box-shadow: inset 0 -2px 0 0 var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-header-outline {
            color: var(--primary-light);
            background: transparent;
            border: 1.5px solid rgba(201, 165, 92, 0.5);
        }
        .btn-header-outline:hover {
            background: rgba(201, 165, 92, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-header-primary {
            color: #1A1A2E;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }
        .btn-header-primary:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.6rem;
            padding: 6px;
            line-height: 1;
            cursor: pointer;
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            color: var(--primary-light);
        }

        /* Hero Banner */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.7) 40%, rgba(26, 26, 46, 0.78) 100%);
            z-index: 1;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 165, 92, 0.2) 0%, transparent 60%);
            z-index: 2;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 3;
            padding-top: 60px;
            padding-bottom: 60px;
        }
        .hero-content {
            max-width: 700px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 165, 92, 0.2);
            border: 1px solid rgba(201, 165, 92, 0.4);
            color: var(--primary-light);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px var(--accent);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 6px var(--accent);
            }
            50% {
                box-shadow: 0 0 18px var(--accent), 0 0 30px rgba(212, 175, 55, 0.5);
            }
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 1px;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .hero-title .gold-text {
            background: linear-gradient(135deg, var(--primary-light), var(--accent), var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #1A1A2E;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
        }
        .btn-gold:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-smooth);
        }
        .btn-outline-light:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        /* Section Common */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--primary-dark);
            text-transform: uppercase;
            margin-bottom: 10px;
            background: rgba(201, 165, 92, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Tier Cards */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .tier-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 2px solid transparent;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .tier-card.tier-silver {
            border-color: #C0C0C0;
        }
        .tier-card.tier-silver:hover {
            border-color: #A8A8A8;
            box-shadow: 0 8px 36px rgba(0, 0, 0, 0.14);
        }
        .tier-card.tier-gold {
            border-color: var(--primary);
            box-shadow: var(--shadow-gold);
        }
        .tier-card.tier-gold:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-gold-lg);
        }
        .tier-card.tier-platinum {
            border-color: #B88A7F;
            box-shadow: 0 4px 24px rgba(184, 138, 127, 0.2);
        }
        .tier-card.tier-platinum:hover {
            border-color: #A07065;
            box-shadow: 0 8px 40px rgba(184, 138, 127, 0.3);
        }
        .tier-card.tier-diamond {
            background: linear-gradient(180deg, #1E1E34 0%, #1A1A2E 100%);
            border-color: var(--accent);
            box-shadow: var(--shadow-gold-lg);
            color: var(--white);
        }
        .tier-card.tier-diamond:hover {
            border-color: #F0D060;
            box-shadow: 0 12px 52px rgba(212, 175, 55, 0.45);
            transform: translateY(-8px);
        }
        .tier-card.tier-diamond .tier-name,
        .tier-card.tier-diamond .tier-benefit-item {
            color: rgba(255, 255, 255, 0.9);
        }
        .tier-card.tier-diamond .tier-price {
            color: var(--accent);
        }
        .tier-badge-ribbon {
            position: absolute;
            top: 20px;
            right: -30px;
            background: var(--accent);
            color: #1A1A2E;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 36px;
            transform: rotate(38deg);
            letter-spacing: 0.5px;
            z-index: 1;
        }
        .tier-icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-full);
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 700;
        }
        .tier-silver .tier-icon-wrap {
            background: #E8E8E8;
            color: #7A7A7A;
        }
        .tier-gold .tier-icon-wrap {
            background: linear-gradient(135deg, #FDF0C8, #F5DF8A);
            color: #8B6B1F;
        }
        .tier-platinum .tier-icon-wrap {
            background: linear-gradient(135deg, #F0E0DA, #D4B5AC);
            color: #5C3D35;
        }
        .tier-diamond .tier-icon-wrap {
            background: linear-gradient(135deg, #E8F4FD, #B0D8F8);
            color: #1A3A5C;
            box-shadow: 0 0 20px rgba(180, 210, 240, 0.5);
        }
        .tier-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }
        .tier-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }
        .tier-divider {
            height: 1px;
            background: var(--border-light);
            margin: 0 auto 16px;
            width: 60%;
            border-radius: 1px;
        }
        .tier-benefits {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 20px;
            text-align: left;
            padding: 0 4px;
        }
        .tier-benefit-item {
            font-size: 0.9rem;
            color: var(--text-light);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }
        .tier-benefit-item .check-icon {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            margin-top: 2px;
            color: #fff;
        }
        .check-green {
            background: #4CAF50;
        }
        .check-gold {
            background: var(--primary);
        }
        .btn-tier {
            display: inline-block;
            width: 100%;
            padding: 11px 0;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
        }
        .btn-tier-outline {
            background: transparent;
            border: 2px solid var(--border);
            color: var(--text);
        }
        .btn-tier-outline:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: rgba(201, 165, 92, 0.04);
        }
        .btn-tier-gold {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #1A1A2E;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-tier-gold:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-2px);
        }
        .btn-tier-diamond {
            background: var(--white);
            color: #1A1A2E;
            border: 2px solid var(--accent);
            font-weight: 700;
        }
        .btn-tier-diamond:hover {
            background: var(--accent);
            color: #1A1A2E;
        }

        /* Privilege Cards */
        .privilege-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .privilege-card {
            display: flex;
            gap: 20px;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }
        .privilege-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
            transform: translateY(-3px);
        }
        .privilege-img {
            width: 120px;
            height: 100px;
            border-radius: var(--radius);
            object-fit: cover;
            flex-shrink: 0;
        }
        .privilege-info h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }
        .privilege-info p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.65;
            margin-bottom: 10px;
        }
        .privilege-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary-dark);
            background: rgba(201, 165, 92, 0.12);
            padding: 3px 12px;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }

        /* Stats Section */
        .stats-section {
            background: var(--secondary);
            color: var(--white);
            padding: 64px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.5px;
        }
        .stat-divider {
            width: 40px;
            height: 3px;
            background: var(--accent);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        /* Comparison Table */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            background: var(--white);
        }
        .compare-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 18px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
            line-height: 1.5;
        }
        .compare-table thead th {
            background: var(--secondary);
            color: var(--white);
            font-weight: 700;
            letter-spacing: 0.5px;
            position: sticky;
            top: 0;
        }
        .compare-table thead th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table tbody tr:hover {
            background: rgba(201, 165, 92, 0.04);
        }
        .compare-table .col-label {
            text-align: left;
            font-weight: 600;
            color: var(--secondary);
        }
        .compare-table .highlight-col {
            background: rgba(201, 165, 92, 0.06);
        }
        .table-check {
            color: #4CAF50;
            font-weight: 700;
        }
        .table-dash {
            color: #ccc;
        }
        .table-star {
            color: var(--accent);
            font-weight: 700;
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, var(--border), var(--primary-light), var(--border));
            z-index: 0;
            border-radius: 1px;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .step-number {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-full);
            background: var(--white);
            border: 3px solid var(--primary);
            color: var(--primary-dark);
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }
        .process-step:hover .step-number {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-gold);
            transform: scale(1.08);
        }
        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.55;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            letter-spacing: 0.3px;
            user-select: none;
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(201, 165, 92, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--primary-dark);
            transition: transform var(--transition-smooth);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #252540 50%, var(--secondary) 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(201, 165, 92, 0.08);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.06);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 550px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
            line-height: 1.5;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* Mobile Nav Overlay */
        @media (max-width: 1024px) {
            .header-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--secondary);
                flex-direction: column;
                align-items: stretch;
                padding: 20px;
                gap: 4px;
                transform: translateX(100%);
                transition: transform var(--transition-smooth);
                z-index: 999;
                overflow-y: auto;
            }
            .header-nav.open {
                transform: translateX(0);
            }
            .header-nav a {
                padding: 14px 18px;
                font-size: 1.05rem;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-actions .btn-header-outline {
                display: none;
            }
            .btn-header-primary {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .privilege-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero {
                min-height: 360px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 52px;
                --nav-height: 60px;
            }
            .container {
                padding: 0 16px;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .tier-card {
                padding: 22px 14px 20px;
            }
            .tier-name {
                font-size: 1.1rem;
            }
            .privilege-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .privilege-card {
                flex-direction: column;
                padding: 20px;
            }
            .privilege-img {
                width: 100%;
                height: 160px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-hero {
                min-height: 300px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .cta-title {
                font-size: 1.55rem;
            }
            .btn-gold,
            .btn-outline-light {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
            .compare-table-wrap {
                border-radius: var(--radius);
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 40px;
                --nav-height: 56px;
            }
            .container {
                padding: 0 12px;
            }
            .header-logo {
                font-size: 1.2rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
            .btn-header-primary {
                padding: 7px 10px;
                font-size: 0.75rem;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 14px;
                max-width: 400px;
                margin: 0 auto;
            }
            .privilege-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .privilege-img {
                height: 130px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.7rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 18px;
                max-width: 320px;
                margin: 0 auto;
            }
            .page-hero {
                min-height: 260px;
            }
            .hero-title {
                font-size: 1.45rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn-gold,
            .hero-actions .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .cta-actions {
                flex-direction: column;
                gap: 10px;
            }
            .cta-actions .btn-gold,
            .cta-actions .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }
        }