/* roulang page: index */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #111820;
            --bg-tertiary: #0E1319;
            --accent: #00D9A6;
            --accent-hover: #33E5B8;
            --accent-dark: #00B88A;
            --purple: #7B3FF2;
            --purple-hover: #8F5CF4;
            --yellow: #CCFF00;
            --text-primary: #E6F1EE;
            --text-secondary: #94A7A3;
            --text-muted: #5E7570;
            --border: #1F2A30;
            --border-hover: #3A4A4F;
            --danger: #FF3D5A;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 24px rgba(0, 217, 166, 0.15);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --spacing-section: 72px;
            --spacing-section-mobile: 40px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ::selection {
            background: rgba(0, 217, 166, 0.3);
            color: #fff;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        .card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .card-accent {
            border-top: 3px solid var(--accent);
        }

        .card-purple-accent {
            border-top: 3px solid var(--purple);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: all 0.25s ease;
            text-align: center;
            justify-content: center;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0B0F14;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.3);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.35);
        }

        .btn-primary:active {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
        }

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

        .btn-secondary:hover {
            background: rgba(123, 63, 242, 0.1);
            border-color: var(--purple-hover);
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.15);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.3);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
        }

        .badge-accent {
            background: rgba(0, 217, 166, 0.15);
            border: 1px solid rgba(0, 217, 166, 0.4);
            color: var(--accent);
        }

        .badge-purple {
            background: rgba(123, 63, 242, 0.15);
            border: 1px solid rgba(123, 63, 242, 0.4);
            color: var(--purple);
        }

        .badge-yellow {
            background: var(--yellow);
            color: #0B0F14;
            border: 1px solid var(--yellow);
        }

        .badge-danger {
            background: rgba(255, 61, 90, 0.15);
            border: 1px solid rgba(255, 61, 90, 0.4);
            color: var(--danger);
        }

        .tag {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            padding: 4px 12px;
            border-radius: 20px;
            transition: all 0.25s ease;
            cursor: default;
        }

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

        .divider {
            height: 1px;
            background: var(--border);
            width: 100%;
            margin: 0;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 20, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            min-height: 68px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent), var(--purple));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #0B0F14;
            flex-shrink: 0;
        }

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

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-md);
            position: relative;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
            transition: width 0.25s ease;
        }

        .nav-links a:hover::after {
            width: 24px;
        }

        .nav-links a.active {
            color: var(--accent);
        }

        .nav-links a.active::after {
            width: 24px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        /* Mobile nav */
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-primary);
            transition: all 0.25s ease;
        }

        .mobile-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 15, 20, 0.98);
            z-index: 90;
            flex-direction: column;
            padding: 24px;
            gap: 6px;
            overflow-y: auto;
            border-top: 1px solid var(--border);
        }

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

        .mobile-menu a {
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(31, 42, 48, 0.5);
            transition: color 0.25s ease;
        }

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

        /* Hero */
        .hero-section {
            position: relative;
            overflow: hidden;
            background: var(--bg-primary);
            padding: 48px 0 64px;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.92) 0%, rgba(11, 15, 20, 0.7) 50%, rgba(11, 15, 20, 0.85) 100%);
            z-index: 1;
        }

        .hero-grid-lines {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(0, 217, 166, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 217, 166, 0.06) 1px, transparent 1px);
            background-size: 48px 48px;
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-content {
            display: flex;
            align-items: center;
            gap: 48px;
            min-height: 480px;
        }

        .hero-text {
            flex: 1;
            max-width: 540px;
        }

        .hero-title {
            font-size: 40px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 500px;
        }

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

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

        .hero-panel {
            flex: 0 0 380px;
            background: rgba(17, 24, 32, 0.85);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-hover);
            backdrop-filter: blur(8px);
        }

        .hero-panel-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .time-slot-grid {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .time-slot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .time-slot:hover {
            border-color: var(--accent);
            background: rgba(0, 217, 166, 0.06);
        }

        .time-slot-info {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-primary);
        }

        .time-slot-status {
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 10px;
            background: rgba(0, 217, 166, 0.15);
            color: var(--accent);
        }

        /* Pain points */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .pain-card {
            position: relative;
            overflow: hidden;
        }

        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--danger);
            border-radius: 4px 0 0 4px;
        }

        .pain-icon {
            font-size: 22px;
            color: var(--danger);
            margin-bottom: 10px;
        }

        .pain-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

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

        /* Solution */
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .solution-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .solution-visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .solution-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 15, 20, 0.7) 100%);
            pointer-events: none;
        }

        .solution-item {
            display: flex;
            gap: 16px;
            margin-bottom: 20px;
            padding: 18px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
        }

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

        .solution-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            background: rgba(0, 217, 166, 0.12);
            border: 1px solid rgba(0, 217, 166, 0.3);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent);
        }

        .solution-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

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

        /* Live stream */
        .live-banner {
            display: flex;
            gap: 24px;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            align-items: center;
        }

        .live-cover {
            flex: 0 0 200px;
            height: 130px;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
        }

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

        .live-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--danger);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.05em;
        }

        .live-info {
            flex: 1;
        }

        .live-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        .countdown-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 8px;
        }

        .countdown-item {
            text-align: center;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            min-width: 56px;
        }

        .countdown-num {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.02em;
        }

        .countdown-label {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* Ranking list */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .ranking-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 18px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
        }

        .ranking-row:hover {
            border-color: var(--accent);
            background: rgba(0, 217, 166, 0.04);
        }

        .rank-number {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            background: var(--border);
            color: var(--text-secondary);
        }

        .rank-top1 {
            background: var(--yellow);
            color: #0B0F14;
        }

        .rank-top2 {
            background: rgba(0, 217, 166, 0.3);
            color: var(--accent);
        }

        .rank-top3 {
            background: rgba(123, 63, 242, 0.3);
            color: var(--purple);
        }

        .rank-name {
            flex: 1;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-primary);
        }

        .rank-stat {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .rank-trend {
            font-size: 12px;
            padding: 2px 8px;
            border-radius: 10px;
        }

        .trend-up {
            background: rgba(0, 217, 166, 0.15);
            color: var(--accent);
        }

        .trend-down {
            background: rgba(255, 61, 90, 0.15);
            color: var(--danger);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .testimonial-card {
            position: relative;
        }

        .testimonial-card::after {
            content: '"';
            position: absolute;
            top: 12px;
            right: 20px;
            font-size: 40px;
            color: rgba(0, 217, 166, 0.15);
            font-family: serif;
        }

        .testimonial-stars {
            display: flex;
            gap: 2px;
            color: var(--yellow);
            font-size: 13px;
            margin-bottom: 10px;
        }

        .testimonial-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .testimonial-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-role {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }

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

        .news-item {
            display: flex;
            gap: 14px;
            padding: 16px 18px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
        }

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

        .news-meta {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            padding-top: 4px;
        }

        .news-date {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .news-month {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

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

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-sidebar-card {
            padding: 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg-tertiary);
        }

        .news-sidebar-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-primary);
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }

        .faq-icon {
            transition: transform 0.3s ease;
            color: var(--accent);
            flex-shrink: 0;
            margin-left: 12px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
            padding: 0 20px;
            border-top: 1px solid transparent;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 14px 20px 16px;
            border-top: 1px dashed var(--border);
        }

        /* Partners */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
        }

        .partner-tag {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 14px 12px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            text-align: center;
            transition: all 0.3s ease;
        }

        .partner-tag:hover {
            border-color: var(--purple);
            background: rgba(123, 63, 242, 0.06);
        }

        .partner-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .partner-desc {
            font-size: 11px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* Brand intro */
        .brand-intro {
            display: flex;
            gap: 32px;
            align-items: flex-start;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
        }

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

        /* CTA */
        .cta-section {
            position: relative;
            overflow: hidden;
            background: var(--bg-primary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.95) 0%, rgba(11, 15, 20, 0.75) 100%);
            z-index: 1;
        }

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

        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
        }

        .cta-countdown {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 20px;
            padding: 10px 20px;
            background: rgba(204, 255, 0, 0.1);
            border: 1px solid rgba(204, 255, 0, 0.4);
            border-radius: 30px;
        }

        .cta-countdown-text {
            font-size: 13px;
            color: var(--yellow);
            font-weight: 500;
        }

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

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

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color 0.25s ease;
        }

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

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

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .footer-bottom-links a {
            color: var(--text-muted);
            transition: color 0.25s ease;
        }

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

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

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

            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .hero-content {
                gap: 32px;
            }

            .hero-panel {
                flex: 0 0 320px;
            }

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

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

            .nav-cta {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

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

            .section-title {
                font-size: 22px;
            }

            .hero-content {
                flex-direction: column;
                min-height: auto;
                gap: 24px;
            }

            .hero-text {
                max-width: 100%;
            }

            .hero-title {
                font-size: 28px;
            }

            .hero-panel {
                flex: 0 0 auto;
                width: 100%;
            }

            .solution-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .live-banner {
                flex-direction: column;
                align-items: flex-start;
            }

            .live-cover {
                flex: 0 0 auto;
                width: 100%;
                height: 180px;
            }

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

            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .brand-intro {
                flex-direction: column;
                padding: 24px 20px;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

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

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

            .hero-desc {
                font-size: 14px;
            }

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

            .ranking-row {
                flex-wrap: wrap;
                gap: 8px;
                padding: 10px 12px;
            }

            .news-item {
                flex-direction: column;
                gap: 8px;
            }

            .news-meta {
                display: flex;
                gap: 6px;
                align-items: baseline;
                width: auto;
                text-align: left;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #111820;
            --bg-tertiary: #0E1319;
            --accent: #00D9A6;
            --accent-hover: #33E5B8;
            --accent-dark: #00B88A;
            --purple: #7B3FF2;
            --purple-hover: #8F5CF4;
            --yellow: #CCFF00;
            --text-primary: #E6F1EE;
            --text-secondary: #94A7A3;
            --text-muted: #5E7570;
            --border: #1F2A30;
            --border-hover: #3A4A4F;
            --danger: #FF3D5A;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 24px rgba(0, 217, 166, 0.15);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --spacing-section: 72px;
            --spacing-section-mobile: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: var(--spacing-section) 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }
        .card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }
        .card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }
        .card-accent {
            border-top: 3px solid var(--accent);
        }
        .card-purple-accent {
            border-top: 3px solid var(--purple);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: all 0.25s ease;
            text-align: center;
            justify-content: center;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #0B0F14;
            border: 1px solid var(--accent);
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.3);
        }
        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.35);
        }
        .btn-primary:active {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--purple);
            color: var(--purple);
        }
        .btn-secondary:hover {
            background: rgba(123, 63, 242, 0.1);
            border-color: var(--purple-hover);
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.15);
        }
        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.3);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 10px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: rgba(0, 217, 166, 0.15);
            border: 1px solid rgba(0, 217, 166, 0.4);
            color: var(--accent);
        }
        .badge-purple {
            background: rgba(123, 63, 242, 0.15);
            border: 1px solid rgba(123, 63, 242, 0.4);
            color: var(--purple);
        }
        .badge-yellow {
            background: var(--yellow);
            color: #0B0F14;
            border: 1px solid var(--yellow);
        }
        .badge-danger {
            background: rgba(255, 61, 90, 0.15);
            border: 1px solid rgba(255, 61, 90, 0.4);
            color: var(--danger);
        }
        .tag {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            padding: 4px 12px;
            border-radius: 20px;
            transition: all 0.25s ease;
            cursor: default;
        }
        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .divider {
            height: 1px;
            background: var(--border);
            border: none;
            margin: 0;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(0, 217, 166, 0.12);
            color: var(--accent);
            font-size: 14px;
            border: 1px solid rgba(0, 217, 166, 0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
            transition: color 0.25s ease;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.25s ease;
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-cta .btn {
            padding: 9px 18px;
            font-size: 14px;
            border-radius: 8px;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            padding: 6px;
        }
        .mobile-menu {
            display: none;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            position: absolute;
            top: 68px;
            left: 0;
            right: 0;
            z-index: 49;
            padding: 16px 24px;
        }
        .mobile-menu ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 8px;
            font-size: 15px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
            transition: all 0.2s ease;
        }
        .mobile-menu a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .mobile-menu a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            margin-bottom: 6px;
            text-transform: uppercase;
        }
        .footer-col a {
            font-size: 14px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }
        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }
        .page-hero {
            padding: 64px 0 48px;
            background: radial-gradient(ellipse at top right, rgba(0, 217, 166, 0.06), transparent 55%), radial-gradient(ellipse at bottom left, rgba(123, 63, 242, 0.05), transparent 50%);
            border-bottom: 1px solid var(--border);
        }
        .page-hero .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .page-hero .breadcrumb a {
            color: var(--text-muted);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--accent);
        }
        .page-hero .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .page-hero .breadcrumb .current {
            color: var(--accent);
        }
        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .page-hero p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }
        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 8px;
            transition: all 0.25s ease;
        }
        .filter-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .filter-btn.active {
            background: rgba(0, 217, 166, 0.12);
            border-color: var(--accent);
            color: var(--accent);
        }
        .schedule-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 28px;
            padding: 48px 0;
        }
        .filter-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            height: fit-content;
            position: sticky;
            top: 88px;
        }
        .filter-panel h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .filter-group {
            margin-bottom: 18px;
        }
        .filter-group label {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .filter-group select,
        .filter-group input {
            width: 100%;
            padding: 9px 12px;
            font-size: 14px;
            color: var(--text-primary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: 8px;
            transition: all 0.25s ease;
        }
        .filter-group select:focus,
        .filter-group input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.15);
        }
        .filter-group select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .filter-group .checkbox-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .filter-group .checkbox-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
        }
        .filter-group .checkbox-item input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: var(--accent);
            cursor: pointer;
        }
        .filter-group .checkbox-item:hover {
            color: var(--accent);
        }
        .filter-actions {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 16px;
        }
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .match-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            display: grid;
            grid-template-columns: 120px 1fr 120px;
            gap: 18px;
            align-items: center;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .match-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .match-time {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .match-time .date {
            font-size: 13px;
            color: var(--text-muted);
        }
        .match-time .time {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.01em;
        }
        .match-teams {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .match-team {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .match-team .team-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .match-team .team-score {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            min-width: 32px;
            text-align: center;
        }
        .match-teams .vs {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            letter-spacing: 0.04em;
        }
        .match-info {
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: flex-end;
        }
        .match-info .match-level {
            font-size: 12px;
            font-weight: 600;
            color: var(--purple);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .match-info .match-status {
            font-size: 12px;
        }
        .match-info .game-type {
            font-size: 12px;
            color: var(--text-muted);
        }
        .match-card.live {
            border-left: 3px solid var(--danger);
        }
        .match-card.upcoming {
            border-left: 3px solid var(--accent);
        }
        .match-card.completed {
            border-left: 3px solid var(--text-muted);
        }
        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--danger);
        }
        .live-indicator .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--danger);
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }
        .schedule-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }
        .stat-tile {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .stat-tile:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }
        .stat-tile .stat-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.02em;
        }
        .stat-tile .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        .faq-section {
            padding: 64px 0;
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
            max-width: 780px;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .faq-item details summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .faq-item details summary::-webkit-details-marker {
            display: none;
        }
        .faq-item details summary .faq-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item details[open] summary .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item details .faq-content {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px dashed var(--border);
            padding-top: 14px;
            margin: 0 20px 16px;
        }
        .cta-banner {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            margin: 64px 0;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 217, 166, 0.12), transparent 70%);
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(123, 63, 242, 0.12), transparent 70%);
            pointer-events: none;
        }
        .cta-banner .cta-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }
        .cta-banner h2 {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .cta-banner p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 500px;
        }
        .mobile-filter-toggle {
            display: none;
            width: 100%;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            align-items: center;
            gap: 8px;
            justify-content: center;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .mobile-filter-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 14px;
            }
            .nav-links a {
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .schedule-layout {
                grid-template-columns: 240px 1fr;
                gap: 20px;
            }
            .match-card {
                grid-template-columns: 90px 1fr 90px;
                gap: 12px;
                padding: 14px 16px;
            }
            .schedule-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta .btn-secondary {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .mobile-menu.open {
                display: block;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .schedule-layout {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 24px 0;
            }
            .filter-panel {
                display: none;
                position: static;
                box-shadow: var(--shadow-card);
            }
            .filter-panel.open {
                display: block;
            }
            .mobile-filter-toggle {
                display: flex;
            }
            .match-card {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 16px;
                text-align: left;
            }
            .match-time {
                flex-direction: row;
                align-items: center;
                gap: 10px;
            }
            .match-info {
                align-items: flex-start;
            }
            .schedule-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-tile .stat-value {
                font-size: 22px;
            }
            .cta-banner {
                padding: 32px 24px;
            }
            .cta-banner .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom-links {
                flex-direction: column;
                gap: 6px;
            }
            .section-padding {
                padding: var(--spacing-section-mobile) 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero p {
                font-size: 14px;
            }
            .schedule-stats {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-tile {
                padding: 12px;
            }
            .stat-tile .stat-value {
                font-size: 20px;
            }
            .match-card {
                padding: 12px;
            }
            .match-team .team-name {
                font-size: 14px;
            }
            .match-team .team-score {
                font-size: 16px;
            }
            .filter-btn {
                font-size: 12px;
                padding: 7px 12px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #111820;
            --bg-tertiary: #0E1319;
            --accent: #00D9A6;
            --accent-hover: #33E5B8;
            --accent-dark: #00B88A;
            --purple: #7B3FF2;
            --purple-hover: #8F5CF4;
            --yellow: #CCFF00;
            --text-primary: #E6F1EE;
            --text-secondary: #94A7A3;
            --text-muted: #5E7570;
            --border: #1F2A30;
            --border-hover: #3A4A4F;
            --danger: #FF3D5A;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 24px rgba(0, 217, 166, 0.15);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --spacing-section: 72px;
            --spacing-section-mobile: 40px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        .card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .card-accent {
            border-top: 3px solid var(--accent);
        }

        .card-purple-accent {
            border-top: 3px solid var(--purple);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: all 0.25s ease;
            text-align: center;
            justify-content: center;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0B0F14;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.3);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.35);
        }

        .btn-primary:active {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
        }

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

        .btn-secondary:hover {
            background: rgba(123, 63, 242, 0.1);
            border-color: var(--purple-hover);
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.15);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.3);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
        }

        .badge-accent {
            background: rgba(0, 217, 166, 0.15);
            border: 1px solid rgba(0, 217, 166, 0.4);
            color: var(--accent);
        }

        .badge-purple {
            background: rgba(123, 63, 242, 0.15);
            border: 1px solid rgba(123, 63, 242, 0.4);
            color: var(--purple);
        }

        .badge-yellow {
            background: var(--yellow);
            color: #0B0F14;
            border: 1px solid var(--yellow);
        }

        .badge-danger {
            background: rgba(255, 61, 90, 0.15);
            border: 1px solid rgba(255, 61, 90, 0.4);
            color: var(--danger);
        }

        .badge-muted {
            background: rgba(94, 117, 112, 0.2);
            border: 1px solid rgba(94, 117, 112, 0.4);
            color: var(--text-secondary);
        }

        .tag {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            padding: 4px 12px;
            border-radius: 20px;
            transition: all 0.25s ease;
            cursor: default;
        }

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

        .divider {
            height: 1px;
            background-color: var(--border);
            margin: 0;
            border: none;
        }

        /* Navigation styles */
        .site-header {
            background-color: rgba(11, 15, 20, 0.95);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: width 0.3s ease;
            border-radius: 2px;
        }

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

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

        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

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

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

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

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

        /* Filter sidebar */
        .filter-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
        }

        .filter-group {
            margin-bottom: 20px;
        }

        .filter-group:last-child {
            margin-bottom: 0;
        }

        .filter-group-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }

        .filter-option {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 7px 10px;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.2s ease;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .filter-option:hover {
            background: rgba(0, 217, 166, 0.06);
            color: var(--text-primary);
        }

        .filter-option.active {
            background: rgba(0, 217, 166, 0.1);
            color: var(--accent);
            border: 1px solid rgba(0, 217, 166, 0.3);
        }

        .filter-option input[type="checkbox"],
        .filter-option input[type="radio"] {
            accent-color: var(--accent);
            width: 15px;
            height: 15px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .filter-reset {
            width: 100%;
            padding: 8px;
            background: transparent;
            border: 1px dashed var(--border);
            border-radius: 6px;
            font-size: 13px;
            color: var(--text-muted);
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .filter-reset:hover {
            border-color: var(--danger);
            color: var(--danger);
        }

        /* Schedule table styles */
        .schedule-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            background: var(--bg-secondary);
        }

        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
            min-width: 820px;
        }

        .schedule-table thead th {
            background: var(--bg-tertiary);
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 12px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }

        .schedule-table tbody td {
            padding: 16px;
            border-bottom: 1px solid var(--border);
            vertical-align: middle;
        }

        .schedule-table tbody tr:last-child td {
            border-bottom: none;
        }

        .schedule-table tbody tr {
            transition: background-color 0.2s ease;
        }

        .schedule-table tbody tr:hover {
            background: rgba(0, 217, 166, 0.04);
        }

        .team-name {
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .team-name small {
            font-weight: 400;
            color: var(--text-muted);
            font-size: 11px;
        }

        .match-time {
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .match-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .status-upcoming {
            background: rgba(0, 217, 166, 0.12);
            color: var(--accent);
            border: 1px solid rgba(0, 217, 166, 0.3);
        }

        .status-live {
            background: rgba(255, 61, 90, 0.12);
            color: var(--danger);
            border: 1px solid rgba(255, 61, 90, 0.3);
            animation: pulse-live 1.5s ease-in-out infinite;
        }

        .status-finished {
            background: rgba(94, 117, 112, 0.2);
            color: var(--text-muted);
            border: 1px solid rgba(94, 117, 112, 0.3);
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        .filter-toggle-btn {
            display: none;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: all 0.25s ease;
            margin-bottom: 16px;
        }

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

        /* FAQ styles */
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            cursor: pointer;
            transition: color 0.25s ease;
            border: none;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 217, 166, 0.1);
            color: var(--accent);
            font-size: 12px;
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

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

        .faq-answer p {
            margin: 0;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

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

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

        .footer-brand .logo {
            margin-bottom: 12px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
            margin: 0;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color 0.25s ease;
        }

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

        .footer-col a i {
            width: 16px;
            font-size: 12px;
            text-align: center;
            flex-shrink: 0;
        }

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

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--text-muted);
            transition: color 0.25s ease;
        }

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

        /* Hero banner for category */
        .page-hero {
            background: linear-gradient(135deg, rgba(11,15,20,0.92) 0%, rgba(17,24,32,0.88) 60%, rgba(123,63,242,0.15) 100%),
                        url('/assets/images/backpic/back-2.webp') no-repeat center center;
            background-size: cover;
            padding: 56px 0 48px;
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-primary) 0%, transparent 100%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color 0.25s ease;
        }

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

        .breadcrumb .separator {
            color: var(--border-hover);
            font-size: 10px;
        }

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

        /* Stats cards */
        .stat-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 4px;
        }

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

        /* Timeline */
        .timeline-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            transition: all 0.3s ease;
        }

        .timeline-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .timeline-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            margin-top: 6px;
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(0, 217, 166, 0.5);
        }

        .timeline-item.finished .timeline-dot {
            background: var(--text-muted);
            box-shadow: none;
        }

        .timeline-item.live .timeline-dot {
            background: var(--danger);
            box-shadow: 0 0 8px rgba(255, 61, 90, 0.5);
            animation: pulse-live 1.5s ease-in-out infinite;
        }

        /* Mobile nav */
        .mobile-menu {
            display: none;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 0;
        }

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

        .mobile-menu a {
            padding: 12px 0;
            font-size: 15px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
            transition: color 0.25s ease;
            display: block;
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

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

        .mobile-menu a.active {
            color: var(--accent);
            font-weight: 600;
        }

        .mobile-cta {
            margin-top: 12px;
            display: flex;
            gap: 10px;
            flex-direction: column;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }
            .footer-grid {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-cta .btn-secondary {
                display: none;
            }
            .nav-cta .btn-primary {
                padding: 10px 16px;
                font-size: 13px;
            }
            .site-header .container {
                height: 60px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .section-title {
                font-size: 22px;
            }
            .page-hero {
                padding: 40px 0 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .filter-panel {
                display: none;
            }
            .filter-panel.mobile-visible {
                display: block;
                margin-bottom: 16px;
            }
            .filter-toggle-btn {
                display: inline-flex;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section-padding {
                padding: var(--spacing-section-mobile) 0;
            }
            .page-hero {
                padding: 32px 0 24px;
            }
            .page-hero h1 {
                font-size: 24px !important;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 14px;
            }
            .nav-cta .btn-primary {
                padding: 8px 14px;
                font-size: 12px;
            }
            .stat-number {
                font-size: 24px;
            }
        }

        /* Custom scrollbar for table */
        .schedule-table-wrap::-webkit-scrollbar {
            height: 6px;
        }
        .schedule-table-wrap::-webkit-scrollbar-track {
            background: var(--bg-tertiary);
        }
        .schedule-table-wrap::-webkit-scrollbar-thumb {
            background: var(--border-hover);
            border-radius: 3px;
        }
        .schedule-table-wrap::-webkit-scrollbar-thumb:hover {
            background: var(--accent);
        }

        /* Active filter styling */
        .filter-option input:checked + span {
            color: var(--accent);
        }

        /* Decorative grid overlay */
        .grid-overlay {
            background-image: 
                linear-gradient(rgba(0, 217, 166, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 217, 166, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            position: absolute;
            inset: 0;
            pointer-events: none;
            z-index: 0;
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #111820;
            --bg-tertiary: #0E1319;
            --accent: #00D9A6;
            --accent-hover: #33E5B8;
            --accent-dark: #00B88A;
            --purple: #7B3FF2;
            --purple-hover: #8F5CF4;
            --yellow: #CCFF00;
            --text-primary: #E6F1EE;
            --text-secondary: #94A7A3;
            --text-muted: #5E7570;
            --border: #1F2A30;
            --border-hover: #3A4A4F;
            --danger: #FF3D5A;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 24px rgba(0, 217, 166, 0.15);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --spacing-section: 72px;
            --spacing-section-mobile: 40px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            box-sizing: border-box;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        .card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: all 0.25s ease;
            text-align: center;
            justify-content: center;
            letter-spacing: 0.01em;
            cursor: pointer;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0B0F14;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.35);
        }

        .btn-primary:active {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(0);
        }

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

        .btn-secondary:hover {
            background: rgba(123, 63, 242, 0.1);
            border-color: var(--purple-hover);
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.15);
            transform: translateY(-1px);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.3);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
        }

        .badge-accent {
            background: rgba(0, 217, 166, 0.15);
            border: 1px solid rgba(0, 217, 166, 0.4);
            color: var(--accent);
        }

        .badge-purple {
            background: rgba(123, 63, 242, 0.15);
            border: 1px solid rgba(123, 63, 242, 0.4);
            color: var(--purple);
        }

        .badge-yellow {
            background: var(--yellow);
            color: #0B0F14;
            border: 1px solid var(--yellow);
        }

        .divider {
            height: 1px;
            background-color: var(--border);
            margin: 16px 0;
        }

        /* 导航样式 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(11, 15, 20, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: 68px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent) 0%, #00b88a 100%);
            color: #0B0F14;
            font-size: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

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

        .nav-links a.active {
            color: var(--accent);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent);
            border-radius: 2px;
        }

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

        .nav-cta .btn {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: var(--radius-md);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 68px;
            left: 0;
            right: 0;
            background-color: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            z-index: 49;
        }

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

        .mobile-menu .nav-links {
            flex-direction: column;
            align-items: flex-start;
            gap: 14px;
        }

        /* 页面特有样式 */
        .hero-section {
            padding: 64px 0 48px;
            background: radial-gradient(ellipse at 20% 0%, rgba(0, 217, 166, 0.08) 0%, transparent 40%),
                radial-gradient(ellipse at 80% 0%, rgba(123, 63, 242, 0.06) 0%, transparent 40%),
                var(--bg-primary);
            border-bottom: 1px solid var(--border);
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--accent);
            background: rgba(0, 217, 166, 0.1);
            border: 1px solid rgba(0, 217, 166, 0.3);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .hero-stat i {
            color: var(--accent);
            font-size: 14px;
        }

        /* 图文交错列表样式 */
        .tactic-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .tactic-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .tactic-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .tactic-item.reverse {
            direction: rtl;
        }

        .tactic-item.reverse>* {
            direction: ltr;
        }

        .tactic-text {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .tactic-text h3 {
            font-size: 21px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin: 0;
        }

        .tactic-text p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .tactic-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            position: relative;
        }

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

        .tactic-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 217, 166, 0.08) 0%, rgba(0, 0, 0, 0.3) 100%);
            pointer-events: none;
        }

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

        .tactic-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .tactic-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .tactic-meta i {
            color: var(--accent);
        }

        /* 数据面板 */
        .data-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .data-card:hover {
            border-color: var(--purple);
            box-shadow: var(--shadow-hover);
        }

        .data-card .data-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .data-card .data-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* 战术分类 */
        .tactics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .tactics-category-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .tactics-category-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .tactics-category-card .category-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 12px;
        }

        .tactics-category-card .category-icon.green {
            background: rgba(0, 217, 166, 0.15);
            color: var(--accent);
        }

        .tactics-category-card .category-icon.purple {
            background: rgba(123, 63, 242, 0.15);
            color: var(--purple);
        }

        .tactics-category-card .category-icon.yellow {
            background: rgba(204, 255, 0, 0.15);
            color: var(--yellow);
        }

        .tactics-category-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

        .tactics-category-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

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

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            transition: color 0.25s ease;
            width: 100%;
            text-align: left;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            color: var(--accent);
            border-color: var(--accent);
            transform: rotate(45deg);
        }

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

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

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            border-top: 1px dashed var(--border);
            padding-top: 14px;
        }

        /* CTA */
        .cta-section {
            background: radial-gradient(ellipse at 50% 0%, rgba(0, 217, 166, 0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 50%, rgba(123, 63, 242, 0.1) 0%, transparent 50%),
                var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--bg-primary);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: 64px;
        }

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

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin: 0 0 12px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: 32px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-muted);
        }

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

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

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

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 36px;
            }
            .data-panel {
                grid-template-columns: repeat(2, 1fr);
            }
            .tactics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-cta .btn-secondary {
                display: none;
            }
            .hero-title {
                font-size: 30px;
            }
            .tactic-item {
                grid-template-columns: 1fr;
                gap: 20px;
                direction: ltr;
            }
            .tactic-item.reverse {
                direction: ltr;
            }
            .tactic-item.reverse>* {
                direction: ltr;
            }
            .data-panel {
                grid-template-columns: 1fr 1fr;
            }
            .tactics-grid {
                grid-template-columns: 1fr;
            }
            .section-padding {
                padding: var(--spacing-section-mobile) 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-section {
                padding: 40px 0 32px;
            }
            .hero-title {
                font-size: 27px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 23px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .data-panel {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .cta-section {
                padding: 32px 18px;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 14px;
            }
            .tactic-item {
                padding: 18px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #111820;
            --bg-tertiary: #0E1319;
            --accent: #00D9A6;
            --accent-hover: #33E5B8;
            --accent-dark: #00B88A;
            --purple: #7B3FF2;
            --purple-hover: #8F5CF4;
            --yellow: #CCFF00;
            --text-primary: #E6F1EE;
            --text-secondary: #94A7A3;
            --text-muted: #5E7570;
            --border: #1F2A30;
            --border-hover: #3A4A4F;
            --danger: #FF3D5A;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 24px rgba(0, 217, 166, 0.15);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --spacing-section: 72px;
            --spacing-section-mobile: 40px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        .card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .card-accent {
            border-top: 3px solid var(--accent);
        }

        .card-purple-accent {
            border-top: 3px solid var(--purple);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: all 0.25s ease;
            text-align: center;
            justify-content: center;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0B0F14;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.3);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.35);
        }

        .btn-primary:active {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
        }

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

        .btn-secondary:hover {
            background: rgba(123, 63, 242, 0.1);
            border-color: var(--purple-hover);
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.15);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.3);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
        }

        .badge-accent {
            background: rgba(0, 217, 166, 0.15);
            border: 1px solid rgba(0, 217, 166, 0.4);
            color: var(--accent);
        }

        .badge-purple {
            background: rgba(123, 63, 242, 0.15);
            border: 1px solid rgba(123, 63, 242, 0.4);
            color: var(--purple);
        }

        .badge-yellow {
            background: var(--yellow);
            color: #0B0F14;
            border: 1px solid var(--yellow);
        }

        .badge-danger {
            background: rgba(255, 61, 90, 0.15);
            border: 1px solid rgba(255, 61, 90, 0.4);
            color: var(--danger);
        }

        .tag {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            padding: 4px 12px;
            border-radius: 20px;
            transition: all 0.25s ease;
            cursor: default;
        }

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

        .divider {
            height: 1px;
            background: var(--border);
            border: none;
            margin: 0;
        }

        /* 导航样式 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(11, 15, 20, 0.96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent), var(--purple));
            border-radius: 8px;
            color: #0B0F14;
            font-size: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all 0.25s ease;
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--accent);
            background: rgba(0, 217, 166, 0.08);
        }

        .nav-links a.active {
            color: var(--accent);
            background: rgba(0, 217, 166, 0.12);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-cta .btn {
            padding: 10px 20px;
            font-size: 14px;
            white-space: nowrap;
        }

        .hamburger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border);
            color: var(--text-primary);
            font-size: 20px;
            flex-shrink: 0;
            transition: all 0.25s ease;
        }

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

        .mobile-menu {
            display: none;
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .mobile-menu.open {
            max-height: 500px;
            padding: 16px 24px;
        }

        .mobile-menu .mobile-nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu .mobile-nav-links a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all 0.25s ease;
        }

        .mobile-menu .mobile-nav-links a:hover {
            color: var(--accent);
            background: rgba(0, 217, 166, 0.08);
        }

        .mobile-menu .mobile-nav-links a.active {
            color: var(--accent);
            background: rgba(0, 217, 166, 0.12);
            font-weight: 600;
        }

        .mobile-menu .btn {
            width: 100%;
            margin-top: 12px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

        .footer-col a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-muted);
        }

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

        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 12px;
            transition: color 0.25s ease;
        }

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

        /* 回放卡片样式 */
        .replay-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .replay-card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: var(--bg-tertiary);
        }

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

        .replay-card:hover .replay-card-thumb img {
            transform: scale(1.04);
        }

        .replay-card-overlay {
            position: absolute;
            inset: 0;
            background: rgba(11, 15, 20, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.35s ease;
        }

        .replay-card:hover .replay-card-overlay {
            opacity: 1;
        }

        .play-btn-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0, 217, 166, 0.92);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0F14;
            font-size: 20px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.4);
        }

        .play-btn-circle:hover {
            background: var(--accent-hover);
            transform: scale(1.08);
        }

        .duration-badge {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(11, 15, 20, 0.88);
            color: var(--text-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .quality-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(0, 217, 166, 0.88);
            color: #0B0F14;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 4px;
            letter-spacing: 0.03em;
        }

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

        .replay-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            letter-spacing: -0.01em;
            transition: color 0.25s ease;
        }

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

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

        .replay-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .replay-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: auto;
            padding-top: 8px;
        }

        /* FAQ折叠面板 */
        .faq-item {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 12px;
            transition: border-color 0.3s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color 0.25s ease;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--accent);
            background: rgba(0, 217, 166, 0.1);
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            border-top: 1px dashed var(--border);
            padding-top: 14px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* 筛选按钮 */
        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: 20px;
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 217, 166, 0.08);
        }

        .filter-btn.active {
            background: rgba(0, 217, 166, 0.15);
            border-color: var(--accent);
            color: var(--accent);
            font-weight: 600;
        }

        /* 数据统计面板 */
        .stat-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--accent);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* Hero banner */
        .replay-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: center;
            margin-bottom: 32px;
        }

        .replay-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.92) 0%, rgba(11, 15, 20, 0.65) 40%, rgba(11, 15, 20, 0.45) 100%);
        }

        .replay-hero-content {
            position: relative;
            z-index: 1;
            padding: 40px 48px;
            max-width: 680px;
        }

        .replay-hero-content .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

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

        .replay-hero-content h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .replay-hero-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 20px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 28px;
            }
            .stat-panel {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta .btn-secondary {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: block;
            }
            .section-padding {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .replay-hero-content {
                padding: 28px 24px;
            }
            .replay-hero-content h1 {
                font-size: 26px;
            }
            .replay-hero {
                min-height: 220px;
            }
            .stat-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom-links {
                margin-left: 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .replay-hero-content h1 {
                font-size: 22px;
            }
            .replay-hero-content p {
                font-size: 14px;
            }
            .replay-card-body {
                padding: 14px 16px 16px;
            }
            .replay-card-title {
                font-size: 15px;
            }
            .stat-panel {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item {
                padding: 14px 12px;
            }
            .stat-number {
                font-size: 20px;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #111820;
            --bg-tertiary: #0E1319;
            --accent: #00D9A6;
            --accent-hover: #33E5B8;
            --accent-dark: #00B88A;
            --purple: #7B3FF2;
            --purple-hover: #8F5CF4;
            --yellow: #CCFF00;
            --text-primary: #E6F1EE;
            --text-secondary: #94A7A3;
            --text-muted: #5E7570;
            --border: #1F2A30;
            --border-hover: #3A4A4F;
            --danger: #FF3D5A;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 24px rgba(0, 217, 166, 0.15);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --spacing-section: 72px;
            --spacing-section-mobile: 40px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        .card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: all 0.25s ease;
            text-align: center;
            justify-content: center;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0B0F14;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.3);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.35);
        }

        .btn-primary:active {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
        }

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

        .btn-secondary:hover {
            background: rgba(123, 63, 242, 0.1);
            border-color: var(--purple-hover);
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.15);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
        }

        .badge-accent {
            background: rgba(0, 217, 166, 0.15);
            border: 1px solid rgba(0, 217, 166, 0.4);
            color: var(--accent);
        }

        .badge-purple {
            background: rgba(123, 63, 242, 0.15);
            border: 1px solid rgba(123, 63, 242, 0.4);
            color: var(--purple);
        }

        .badge-yellow {
            background: var(--yellow);
            color: #0B0F14;
            border: 1px solid var(--yellow);
        }

        .badge-danger {
            background: rgba(255, 61, 90, 0.15);
            border: 1px solid rgba(255, 61, 90, 0.4);
            color: var(--danger);
        }

        .tag {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            padding: 4px 12px;
            border-radius: 20px;
            transition: all 0.25s ease;
            cursor: pointer;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: 70px;
            display: flex;
            align-items: center;
        }

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

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: var(--accent);
            color: #0B0F14;
            border-radius: 6px;
            font-size: 15px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color 0.25s ease;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
            border-radius: 1px;
        }

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

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

        .nav-links a.active {
            color: var(--accent);
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            padding: 4px;
            cursor: pointer;
            transition: color 0.25s ease;
        }

        .mobile-menu-btn:hover {
            color: var(--accent);
        }

        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .footer-col a {
            display: flex;
            align-items: center;
            gap: 7px;
            color: var(--text-secondary);
            font-size: 14px;
            padding: 6px 0;
            transition: all 0.25s ease;
        }

        .footer-col a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }

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

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

        .footer-bottom-links a {
            color: var(--text-muted);
            transition: color 0.25s ease;
        }

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

        .community-hero {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            padding: 64px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .community-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(123, 63, 242, 0.15) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .community-hero::after {
            content: '';
            position: absolute;
            bottom: -140px;
            left: -60px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(0, 217, 166, 0.12) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .community-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

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

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 24px;
        }

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

        .topic-list-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            margin-bottom: 16px;
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
        }

        .topic-list-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }

        .topic-list-card .topic-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            transition: color 0.25s ease;
        }

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

        .topic-list-card .topic-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
        }

        .topic-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        .topic-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .topic-tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 8px;
        }

        .post-cta-card {
            background: linear-gradient(160deg, #111820 0%, #1a1428 100%);
            border: 2px solid var(--purple);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: 0 8px 32px rgba(123, 63, 242, 0.2);
            position: sticky;
            top: 90px;
        }

        .post-cta-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .post-cta-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.6;
        }

        .form-input {
            width: 100%;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 11px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: all 0.25s ease;
            margin-bottom: 12px;
        }

        .form-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.15);
        }

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

        .form-textarea {
            width: 100%;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 11px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: all 0.25s ease;
            margin-bottom: 12px;
            min-height: 100px;
            resize: vertical;
        }

        .form-textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.15);
        }

        .form-textarea::placeholder {
            color: var(--text-muted);
        }

        .form-select {
            width: 100%;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 11px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: all 0.25s ease;
            margin-bottom: 12px;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A7A3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }

        .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.15);
        }

        .community-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 0;
        }

        .stat-block {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-block:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
        }

        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

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

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: color 0.25s ease;
            gap: 16px;
        }

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

        .faq-question .fa-chevron-down {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.35s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 22px 18px;
        }

        .faq-answer-inner {
            border-top: 1px dashed var(--border);
            padding-top: 14px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .cta-banner {
            background: var(--bg-secondary);
            border: 1px solid var(--accent);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0, 217, 166, 0.1);
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(0, 217, 166, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .community-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .fill-form-section {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 40px 0;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .community-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .hero-title {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(11, 15, 20, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                z-index: 99;
                align-items: flex-start;
            }

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

            .nav-links a {
                font-size: 16px;
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid rgba(31, 42, 48, 0.5);
            }

            .nav-links a:last-child {
                border-bottom: none;
            }

            .nav-cta .btn {
                padding: 10px 18px;
                font-size: 14px;
            }

            .mobile-menu-btn {
                display: block;
            }

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

            .section-title {
                font-size: 22px;
            }

            .hero-title {
                font-size: 28px;
            }

            .hero-subtitle {
                font-size: 14px;
            }

            .hero-actions .btn {
                padding: 11px 20px;
                font-size: 14px;
            }

            .community-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .stat-number {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }

            .post-cta-card {
                position: static;
                margin-top: 24px;
            }

            .cta-banner {
                padding: 32px 20px;
            }

            .container {
                padding: 0 16px;
            }
        }

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

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

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

            .community-stats {
                grid-template-columns: 1fr 1fr;
            }

            .topic-list-card {
                padding: 16px 18px;
            }

            .topic-list-card .topic-title {
                font-size: 15px;
            }

            .cta-banner {
                padding: 24px 16px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #111820;
            --bg-tertiary: #0E1319;
            --accent: #00D9A6;
            --accent-hover: #33E5B8;
            --accent-dark: #00B88A;
            --purple: #7B3FF2;
            --purple-hover: #8F5CF4;
            --yellow: #CCFF00;
            --text-primary: #E6F1EE;
            --text-secondary: #94A7A3;
            --text-muted: #5E7570;
            --border: #1F2A30;
            --border-hover: #3A4A4F;
            --danger: #FF3D5A;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 24px rgba(0, 217, 166, 0.15);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --spacing-section: 72px;
            --spacing-section-mobile: 40px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        .card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .card-accent {
            border-top: 3px solid var(--accent);
        }

        .card-purple-accent {
            border-top: 3px solid var(--purple);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: all 0.25s ease;
            text-align: center;
            justify-content: center;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0B0F14;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.3);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.35);
        }

        .btn-primary:active {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
        }

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

        .btn-secondary:hover {
            background: rgba(123, 63, 242, 0.1);
            border-color: var(--purple-hover);
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.15);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.3);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
        }

        .badge-accent {
            background: rgba(0, 217, 166, 0.15);
            border: 1px solid rgba(0, 217, 166, 0.4);
            color: var(--accent);
        }

        .badge-purple {
            background: rgba(123, 63, 242, 0.15);
            border: 1px solid rgba(123, 63, 242, 0.4);
            color: var(--purple);
        }

        .badge-yellow {
            background: var(--yellow);
            color: #0B0F14;
            border: 1px solid var(--yellow);
        }

        .badge-danger {
            background: rgba(255, 61, 90, 0.15);
            border: 1px solid rgba(255, 61, 90, 0.4);
            color: var(--danger);
        }

        .tag {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            padding: 4px 12px;
            border-radius: 20px;
            transition: all 0.25s ease;
            cursor: default;
        }

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

        .divider {
            height: 1px;
            background: var(--border);
            border: none;
            margin: 0;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(11, 15, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: 68px;
            display: flex;
            align-items: center;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent), var(--purple));
            border-radius: 8px;
            color: #0B0F14;
            font-size: 14px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            position: relative;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.25s ease;
        }

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

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

        .nav-links a.active {
            color: var(--accent);
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .mobile-menu-btn {
            display: none;
            font-size: 22px;
            color: var(--text-primary);
            background: none;
            border: none;
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            z-index: 40;
            flex-direction: column;
            gap: 12px;
        }

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

        .mobile-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }

        .mobile-nav a:last-child {
            border-bottom: none;
        }

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

        .hero-about {
            position: relative;
            padding: 100px 0 72px;
            background: var(--bg-primary);
            overflow: hidden;
        }

        .hero-about-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }

        .hero-about-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(11, 15, 20, 0.65) 55%, var(--bg-primary) 100%);
        }

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

        .hero-about h1 {
            font-size: 40px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .hero-about p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 640px;
        }

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

        .about-story {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .about-story h2 {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .about-story p {
            color: var(--text-secondary);
            margin-bottom: 14px;
            font-size: 15px;
            line-height: 1.75;
        }

        .about-story p:last-child {
            margin-bottom: 0;
        }

        .about-timeline {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .about-timeline h2 {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .timeline-item {
            position: relative;
            padding-left: 32px;
            padding-bottom: 24px;
            border-left: 2px solid var(--border);
        }

        .timeline-item:last-child {
            padding-bottom: 0;
            border-left-color: transparent;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -7px;
            top: 4px;
            width: 12px;
            height: 12px;
            background: var(--accent);
            border-radius: 50%;
            border: 2px solid var(--bg-secondary);
            box-shadow: 0 0 8px rgba(0, 217, 166, 0.35);
        }

        .timeline-item.purple::before {
            background: var(--purple);
            box-shadow: 0 0 8px rgba(123, 63, 242, 0.35);
        }

        .timeline-item.yellow::before {
            background: var(--yellow);
            box-shadow: 0 0 8px rgba(204, 255, 0, 0.35);
        }

        .timeline-item h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .timeline-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .timeline-item .timeline-date {
            font-size: 12px;
            font-weight: 500;
            color: var(--accent);
            margin-bottom: 4px;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 16px 12px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
        }

        .stat-item .number {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.02em;
            display: block;
        }

        .stat-item .label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .capability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .capability-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .capability-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .capability-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .capability-icon.green {
            background: rgba(0, 217, 166, 0.12);
            color: var(--accent);
        }

        .capability-icon.purple {
            background: rgba(123, 63, 242, 0.12);
            color: var(--purple);
        }

        .capability-icon.yellow {
            background: rgba(204, 255, 0, 0.12);
            color: var(--yellow);
        }

        .capability-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .capability-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            transition: background 0.3s ease;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: rgba(0, 217, 166, 0.04);
        }

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent);
            font-size: 14px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            border-top: none;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 20px 20px;
            border-top: 1px dashed var(--border);
        }

        .cta-band {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(123, 63, 242, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-band h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }

        .cta-band p {
            color: var(--text-secondary);
            font-size: 14px;
        }

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

        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: 72px;
        }

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

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color 0.25s ease;
        }

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

        .footer-col a i {
            width: 18px;
            margin-right: 6px;
            color: var(--accent);
        }

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

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

        .footer-bottom-links a {
            color: var(--text-muted);
            transition: color 0.25s ease;
        }

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

        .image-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            position: relative;
        }

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

        .image-frame .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(11, 15, 20, 0.85));
            font-size: 13px;
            color: var(--text-secondary);
        }

        @media (max-width: 1024px) {
            .about-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .capability-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-about h1 {
                font-size: 28px;
            }
            .hero-about {
                padding: 64px 0 48px;
            }
            .section-padding {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-title {
                font-size: 22px;
            }
            .capability-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-band {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item .number {
                font-size: 22px;
            }
            .about-story,
            .about-timeline {
                padding: 20px;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }
        }