/* roulang page: index */
:root {
            --bg-primary: #0B1020;
            --bg-secondary: #0D1528;
            --bg-tertiary: #111A33;
            --cyan: #2FD8FF;
            --cyan-deep: #00B4FF;
            --neon-green: #A3FF3B;
            --amber-gold: #FFC857;
            --white: #F5F7FF;
            --muted: #A8B3CF;
            --muted-dim: #5E6A85;
            --border-glass: rgba(255, 255, 255, 0.12);
            --glass-bg: rgba(255, 255, 255, 0.07);
            --glass-bg-strong: rgba(255, 255, 255, 0.1);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-pad: 80px 24px;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.3s ease;
            --glow-cyan: 0 0 20px rgba(47, 216, 255, 0.6);
            --glow-cyan-hover: 0 0 30px rgba(47, 216, 255, 0.85);
            --glow-gold: 0 0 20px rgba(255, 200, 87, 0.5);
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 50% 0%, #111A33 0%, #0B1020 55%, #080B15 100%);
            color: var(--white);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        input {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 16, 32, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-mid);
        }

        .site-header.scrolled {
            background: rgba(11, 16, 32, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--white);
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 900;
            color: #0B1020;
            box-shadow: var(--glow-cyan);
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--muted);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
        }

        .main-nav a.active {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.1);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-deep));
            box-shadow: var(--glow-cyan);
        }

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

        .btn-header-cta {
            padding: 10px 18px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }

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

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: var(--white);
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 8px 24px 20px;
            background: rgba(11, 16, 32, 0.97);
            border-bottom: 1px solid var(--border-glass);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .mobile-menu.open {
            max-height: 480px;
            padding: 8px 24px 20px;
        }

        .mobile-menu a {
            padding: 14px 8px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.06);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            padding: 100px 24px 120px;
            overflow: hidden;
            background-image: url('/assets/images/62df38d5cec8dd29.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 32, 0.92) 20%, rgba(11, 16, 32, 0.65) 60%, rgba(11, 16, 32, 0.88) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(47, 216, 255, 0.15) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 70%, rgba(255, 200, 87, 0.12) 0%, transparent 45%);
            z-index: 1;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 99px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            background: rgba(255, 200, 87, 0.12);
            border: 1px solid rgba(255, 200, 87, 0.3);
            color: var(--amber-gold);
        }

        .hero-badge.cyan {
            background: rgba(47, 216, 255, 0.1);
            border-color: rgba(47, 216, 255, 0.3);
            color: var(--cyan);
        }

        .hero h1 {
            font-size: clamp(2rem, 4.2vw, 3.25rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            box-shadow: none;
        }

        .hero-subtitle {
            font-size: 1.12rem;
            color: rgba(245, 247, 255, 0.82);
            max-width: 620px;
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }

        .btn-primary {
            padding: 14px 28px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: 0.3px;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }

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

        .btn-secondary {
            padding: 14px 28px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1.5px solid var(--border-glass);
            color: var(--white);
            font-weight: 700;
            font-size: 1rem;
            transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            border-color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
            box-shadow: 0 0 16px rgba(47, 216, 255, 0.25);
        }

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

        .btn-gold {
            padding: 14px 28px;
            border-radius: 14px;
            background: linear-gradient(135deg, #FFC857, #F5A623);
            color: #1a1a1a;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: 0.3px;
            box-shadow: var(--glow-gold);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-gold:hover {
            box-shadow: 0 0 30px rgba(255, 200, 87, 0.75);
            transform: scale(1.03);
            filter: brightness(1.05);
        }

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

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .stat-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--cyan);
        }

        .hero-stat .stat-label {
            font-size: 0.82rem;
            color: var(--muted);
        }

        .hero-club-card {
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 200, 87, 0.25);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            text-align: center;
        }

        .club-badge {
            width: 80px;
            height: 80px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFC857, #F5A623);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 900;
            color: #1a1a1a;
            box-shadow: 0 0 30px rgba(255, 200, 87, 0.5);
        }

        .club-card-title {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--amber-gold);
        }

        .club-card-desc {
            font-size: 0.9rem;
            color: var(--muted);
            margin-bottom: 18px;
        }

        .club-level-row {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-bottom: 18px;
        }

        .club-level-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 200, 87, 0.25);
            border: 1px solid rgba(255, 200, 87, 0.5);
        }

        .club-level-dot.filled {
            background: var(--amber-gold);
            box-shadow: 0 0 8px rgba(255, 200, 87, 0.6);
        }

        /* ========== Generic Section ========== */
        section {
            padding: var(--section-pad);
        }

        .section-header {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 99px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            background: rgba(47, 216, 255, 0.1);
            border: 1px solid rgba(47, 216, 255, 0.25);
            color: var(--cyan);
            margin-bottom: 12px;
        }

        .section-tag.gold {
            background: rgba(255, 200, 87, 0.1);
            border-color: rgba(255, 200, 87, 0.25);
            color: var(--amber-gold);
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 0.98rem;
            color: var(--muted);
            line-height: 1.8;
        }

        /* ========== Data Trust Bar ========== */
        .trust-bar {
            padding: 32px 24px;
            background: rgba(255, 255, 255, 0.03);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .trust-bar-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .trust-item {
            padding: 16px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .trust-item .trust-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--cyan);
            line-height: 1.3;
        }

        .trust-item .trust-label {
            font-size: 0.9rem;
            color: var(--muted);
        }

        /* ========== Core Features ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 26px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(47, 216, 255, 0.35);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
        }

        .feature-card.span-4 {
            grid-column: span 4;
        }
        .feature-card.span-6 {
            grid-column: span 6;
        }
        .feature-card.span-5 {
            grid-column: span 5;
        }
        .feature-card.span-7 {
            grid-column: span 7;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(47, 216, 255, 0.15), rgba(0, 180, 255, 0.1));
            border: 1px solid rgba(47, 216, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: var(--cyan);
        }

        .feature-icon.gold {
            background: linear-gradient(135deg, rgba(255, 200, 87, 0.15), rgba(245, 166, 35, 0.1));
            border-color: rgba(255, 200, 87, 0.3);
            color: var(--amber-gold);
        }

        .feature-icon.green {
            background: linear-gradient(135deg, rgba(163, 255, 59, 0.12), rgba(140, 220, 40, 0.08));
            border-color: rgba(163, 255, 59, 0.25);
            color: var(--neon-green);
        }

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

        .feature-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.75;
        }

        /* ========== Scenarios ========== */
        .scenario-timeline {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: relative;
            padding-left: 28px;
        }

        .scenario-timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--cyan-deep), rgba(47, 216, 255, 0.1));
            border-radius: 2px;
        }

        .scenario-item {
            position: relative;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .scenario-item:hover {
            border-color: rgba(47, 216, 255, 0.3);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
        }

        .scenario-item::before {
            content: '';
            position: absolute;
            left: -23px;
            top: 26px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--cyan-deep);
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 12px rgba(47, 216, 255, 0.6);
        }

        .scenario-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--cyan);
        }

        .scenario-item p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ========== Screenshots / Demo ========== */
        .screenshot-stage {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            align-items: center;
        }

        .screenshot-frame {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(47, 216, 255, 0.2);
            box-shadow: var(--shadow-card);
            background: var(--bg-secondary);
            position: relative;
        }

        .screenshot-frame img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .screenshot-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 14px 16px;
            background: linear-gradient(transparent, rgba(11, 16, 32, 0.9));
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--white);
        }

        .screenshot-note {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.75;
            align-self: center;
        }

        .screenshot-note strong {
            color: var(--cyan);
            font-weight: 700;
        }

        /* ========== Match Dashboard ========== */
        .match-board {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 28px;
        }

        .match-row {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1.2fr 0.7fr 0.7fr;
            gap: 14px;
            align-items: center;
            padding: 16px 12px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .match-row:hover {
            background: rgba(47, 216, 255, 0.06);
        }

        .match-row.header-row {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--muted-dim);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 4px;
        }

        .match-row .team {
            font-weight: 700;
            font-size: 0.95rem;
        }

        .match-row .score {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--amber-gold);
            text-align: center;
        }

        .match-row .match-status {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 99px;
            background: rgba(47, 216, 255, 0.1);
            color: var(--cyan);
            text-align: center;
            white-space: nowrap;
        }

        .match-row .match-status.live {
            background: rgba(163, 255, 59, 0.12);
            color: var(--neon-green);
            animation: pulse-live 2s ease-in-out infinite;
        }

        .match-row .heat-bar {
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
        }

        .match-row .heat-bar .heat-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--cyan), var(--neon-green));
            box-shadow: 0 0 10px rgba(47, 216, 255, 0.4);
        }

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

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

        .case-card {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), border-color var(--transition-mid);
        }

        .case-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 200, 87, 0.35);
        }

        .case-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--amber-gold), #F5A623);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #1a1a1a;
            margin-bottom: 14px;
            font-size: 1.1rem;
            box-shadow: 0 0 16px rgba(255, 200, 87, 0.35);
        }

        .case-card .case-name {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .case-card .case-record {
            font-size: 0.82rem;
            color: var(--neon-green);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .case-card p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ========== Membership / Pricing ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            box-shadow: var(--shadow-card);
            text-align: center;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            border-color: rgba(47, 216, 255, 0.35);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }

        .pricing-card.featured {
            border-color: rgba(255, 200, 87, 0.45);
            background: rgba(255, 200, 87, 0.05);
            box-shadow: 0 8px 40px rgba(255, 200, 87, 0.15);
        }

        .pricing-card.featured::before {
            content: '热门选择';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            padding: 4px 16px;
            border-radius: 99px;
            background: linear-gradient(135deg, #FFC857, #F5A623);
            color: #1a1a1a;
            font-weight: 800;
            font-size: 0.75rem;
            letter-spacing: 0.5px;
        }

        .pricing-name {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .pricing-price {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 4px;
            color: var(--cyan);
        }

        .pricing-price span {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--muted);
        }

        .pricing-desc {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 20px;
        }

        .pricing-features {
            list-style: none;
            text-align: left;
            margin-bottom: 24px;
            flex: 1;
        }

        .pricing-features li {
            padding: 8px 0;
            font-size: 0.88rem;
            color: rgba(245, 247, 255, 0.8);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--neon-green);
            font-weight: 800;
        }

        .pricing-features li.unavailable {
            color: rgba(168, 179, 207, 0.5);
            text-decoration: line-through;
        }

        .pricing-features li.unavailable::before {
            content: '—';
            color: var(--muted-dim);
            text-decoration: none;
        }

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

        .review-card {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast);
        }

        .review-card:hover {
            border-color: rgba(47, 216, 255, 0.3);
        }

        .review-stars {
            color: var(--amber-gold);
            font-size: 0.95rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .review-text {
            font-size: 0.9rem;
            color: rgba(245, 247, 255, 0.82);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .review-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--muted);
        }

        /* ========== Community / Hot Posts ========== */
        .community-posts {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .post-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .post-card:hover {
            border-color: rgba(47, 216, 255, 0.3);
            background: rgba(47, 216, 255, 0.04);
        }

        .post-rank {
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--cyan-deep);
            min-width: 32px;
            text-align: center;
            line-height: 1.2;
        }

        .post-content {
            flex: 1;
        }

        .post-title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 6px;
            color: var(--white);
        }

        .post-excerpt {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 8px;
        }

        .post-meta {
            font-size: 0.78rem;
            color: var(--muted-dim);
            display: flex;
            gap: 14px;
        }

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

        .news-card {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
        }

        .news-card:hover {
            transform: translateY(-4px);
            border-color: rgba(47, 216, 255, 0.35);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
        }

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

        .news-card-body {
            padding: 20px;
        }

        .news-card-body .news-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 99px;
            font-size: 0.72rem;
            font-weight: 700;
            background: rgba(47, 216, 255, 0.1);
            border: 1px solid rgba(47, 216, 255, 0.25);
            color: var(--cyan);
            margin-bottom: 10px;
        }

        .news-card-body h3 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .news-card-body p {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .news-card-body .news-date {
            font-size: 0.78rem;
            color: var(--muted-dim);
        }

        /* ========== Brand Intro ========== */
        .brand-intro-section {
            background: linear-gradient(180deg, transparent 0%, rgba(17, 26, 51, 0.55) 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .brand-intro-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 36px;
            max-width: 880px;
            margin: 0 auto;
        }

        .brand-intro-card h2 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--white);
        }

        .brand-intro-card p {
            font-size: 0.95rem;
            color: rgba(245, 247, 255, 0.78);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .brand-intro-card p:last-child {
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(47, 216, 255, 0.25);
        }

        .faq-item.active {
            border-color: rgba(47, 216, 255, 0.4);
            box-shadow: 0 0 20px rgba(47, 216, 255, 0.15);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            text-align: left;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--white);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            font-size: 1.2rem;
            font-weight: 400;
            color: var(--cyan);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 100px 24px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/05957b79a302c146.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 32, 0.92) 30%, rgba(11, 16, 32, 0.7) 70%);
            z-index: 1;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(47, 216, 255, 0.2) 0%, transparent 60%);
            z-index: 1;
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: clamp(1.7rem, 3.5vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(245, 247, 255, 0.78);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #080B15;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 60px 24px 32px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--muted-dim);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--white);
        }

        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-column ul a {
            font-size: 0.87rem;
            color: var(--muted);
            transition: color var(--transition-fast);
        }

        .footer-column ul a:hover {
            color: var(--cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            font-size: 0.82rem;
            color: var(--muted-dim);
        }

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

        .footer-bottom .legal-links a {
            color: var(--muted-dim);
            transition: color var(--transition-fast);
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-club-card {
                max-width: 440px;
            }
            .screenshot-stage {
                grid-template-columns: 1fr 1fr;
                padding: 28px;
            }
            .feature-card.span-4,
            .feature-card.span-6,
            .feature-card.span-5,
            .feature-card.span-7 {
                grid-column: span 6;
            }
            .case-grid,
            .pricing-grid,
            .reviews-grid,
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .trust-bar-inner {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 20px;
            }
            .hero {
                padding: 70px 20px 80px;
            }
            .features-grid,
            .case-grid,
            .pricing-grid,
            .reviews-grid,
            .news-grid,
            .community-posts {
                grid-template-columns: 1fr;
            }
            .feature-card.span-4,
            .feature-card.span-6,
            .feature-card.span-5,
            .feature-card.span-7 {
                grid-column: span 12;
            }
            .screenshot-stage {
                grid-template-columns: 1fr;
                padding: 20px;
            }
            .match-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 14px 8px;
            }
            .match-row.header-row {
                display: none;
            }
            .match-row .score {
                font-size: 1.05rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .trust-bar-inner {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .trust-item .trust-value {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 64px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
                border-radius: 10px;
            }
            .btn-header-cta {
                display: none;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-secondary,
            .btn-gold {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-stats {
                gap: 14px;
            }
            .hero-stat .stat-value {
                font-size: 1.2rem;
            }
            .trust-bar-inner {
                grid-template-columns: 1fr;
            }
            .brand-intro-card {
                padding: 24px;
            }
            .cta-section {
                padding: 70px 20px;
            }
            .pricing-card {
                padding: 24px 18px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B1020;
            --bg-secondary: #0D1528;
            --bg-tertiary: #111A33;
            --cyan: #2FD8FF;
            --cyan-deep: #00B4FF;
            --neon-green: #A3FF3B;
            --amber-gold: #FFC857;
            --white: #F5F7FF;
            --muted: #A8B3CF;
            --muted-dim: #5E6A85;
            --border-glass: rgba(255,255,255,0.12);
            --glass-bg: rgba(255,255,255,0.07);
            --glass-bg-strong: rgba(255,255,255,0.1);
            --shadow-card: 0 8px 32px rgba(0,0,0,0.35);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-pad: 80px 24px;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.3s ease;
            --glow-cyan: 0 0 20px rgba(47,216,255,0.6);
            --glow-cyan-hover: 0 0 30px rgba(47,216,255,0.85);
            --glow-gold: 0 0 20px rgba(255,200,87,0.5);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 50% 0%, #111A33 0%, #0B1020 55%, #080B15 100%);
            color: var(--white);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
            font-size: inherit;
        }
        input {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11,16,32,0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: background var(--transition-mid);
        }
        .site-header.scrolled {
            background: rgba(11,16,32,0.96);
            box-shadow: 0 4px 24px rgba(0,0,0,0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--white);
            white-space: nowrap;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 900;
            color: #0B1020;
            box-shadow: var(--glow-cyan);
            flex-shrink: 0;
        }
        .logo .logo-text-accent {
            color: var(--cyan);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--muted);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--cyan);
            background: rgba(47,216,255,0.08);
        }
        .main-nav a.active {
            color: var(--cyan);
            background: rgba(47,216,255,0.1);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-deep));
            box-shadow: var(--glow-cyan);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-header-cta {
            padding: 10px 18px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }
        .btn-header-cta:active {
            transform: scale(0.97);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: 10px;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            transition: background var(--transition-fast);
        }
        .hamburger:hover {
            background: rgba(255,255,255,0.08);
        }
        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--white);
            border-radius: 2px;
            transition: var(--transition-mid);
        }
        .mobile-menu-open .hamburger span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-open .hamburger span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-open .hamburger span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 28px 0 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--muted);
            flex-wrap: wrap;
        }
        .breadcrumb-inner a:hover {
            color: var(--cyan);
        }
        .breadcrumb-sep {
            color: var(--muted-dim);
        }
        .breadcrumb-current {
            color: var(--cyan);
            font-weight: 600;
        }

        /* Category Hero Compact */
        .category-hero {
            padding: 28px 0 22px;
        }
        .category-hero-inner {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .category-hero h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.2px;
        }
        .category-hero h1 .accent {
            color: var(--cyan);
        }
        .category-hero .lead {
            color: var(--muted);
            font-size: 1rem;
            max-width: 680px;
            margin-top: 8px;
        }
        .category-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(47,216,255,0.1);
            color: var(--cyan);
            border: 1px solid rgba(47,216,255,0.25);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 12px;
        }

        /* Score Glance */
        .score-glance {
            padding: 24px 0 0;
        }
        .glance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .glance-card {
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .glance-card:hover {
            border-color: rgba(47,216,255,0.4);
            transform: translateY(-2px);
        }
        .glance-label {
            color: var(--muted);
            font-size: 0.85rem;
            font-weight: 500;
        }
        .glance-value {
            font-size: 2rem;
            font-weight: 800;
            margin-top: 6px;
            line-height: 1.2;
        }
        .glance-value .unit {
            font-size: 0.9rem;
            color: var(--muted);
            font-weight: 500;
            margin-left: 4px;
        }
        .glance-delta {
            font-size: 0.8rem;
            color: var(--neon-green);
            margin-top: 6px;
            display: block;
        }

        /* Match List */
        .match-list-section {
            padding: 48px 0 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1.3;
        }
        .section-title .accent {
            color: var(--cyan);
        }
        .section-sub {
            color: var(--muted);
            font-size: 0.95rem;
        }
        .toolbar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
            padding: 16px;
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .toolbar-label {
            color: var(--muted);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
        }
        .toolbar-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .toolbar-btn {
            padding: 8px 16px;
            border-radius: 10px;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            color: var(--muted);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .toolbar-btn:hover {
            border-color: rgba(47,216,255,0.4);
            color: var(--cyan);
        }
        .toolbar-btn.active {
            background: rgba(47,216,255,0.12);
            border-color: rgba(47,216,255,0.4);
            color: var(--cyan);
        }
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .match-card {
            background: rgba(255,255,255,0.07);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            transform: translateY(-6px);
            border-color: rgba(47,216,255,0.4);
            box-shadow: 0 16px 40px rgba(0,0,0,0.45);
        }
        .match-card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .match-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .match-card:hover .match-card-cover img {
            transform: scale(1.05);
        }
        .match-cover-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(11,16,32,0.8);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.15);
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--cyan);
            letter-spacing: 0.3px;
        }
        .match-time-abs {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 4px 10px;
            border-radius: 8px;
            background: rgba(11,16,32,0.8);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 600;
        }
        .match-card-body {
            padding: 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .match-league {
            color: var(--muted);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .match-team {
            font-weight: 700;
            font-size: 1.05rem;
            line-height: 1.3;
        }
        .match-score {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--white);
            white-space: nowrap;
        }
        .match-score .score-dash {
            color: var(--muted-dim);
            font-weight: 400;
        }
        .match-score .score-live {
            color: var(--neon-green);
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .match-stats {
            display: flex;
            gap: 12px;
            color: var(--muted);
            font-size: 0.8rem;
            flex-wrap: wrap;
        }
        .match-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .match-actions {
            display: flex;
            gap: 10px;
            margin-top: 4px;
        }
        .btn-outline-small {
            padding: 8px 14px;
            border-radius: 10px;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--muted);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .btn-outline-small:hover {
            border-color: rgba(47,216,255,0.4);
            color: var(--cyan);
            background: rgba(47,216,255,0.06);
        }
        .btn-glow-small {
            padding: 8px 14px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-size: 0.85rem;
            font-weight: 700;
            box-shadow: var(--glow-cyan);
            transition: all var(--transition-fast);
        }
        .btn-glow-small:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
        }

        /* League Standings */
        .standings-section {
            padding: 48px 0 0;
        }
        .standings-panel {
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
        }
        .standings-row {
            display: grid;
            grid-template-columns: 90px 1fr 80px 70px 70px 70px 70px;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            font-size: 0.9rem;
        }
        .standings-row.header-row {
            color: var(--muted);
            font-weight: 600;
            font-size: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .standings-row:last-child {
            border-bottom: none;
        }
        .standings-team {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
        }
        .standings-team .rank {
            width: 22px;
            height: 22px;
            border-radius: 6px;
            background: rgba(47,216,255,0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--cyan);
            font-weight: 700;
        }
        .standings-team .rank.hot {
            background: rgba(163,255,59,0.15);
            color: var(--neon-green);
        }
        .standings-cell {
            text-align: center;
            color: var(--muted);
        }
        .standings-cell strong {
            color: var(--white);
        }

        /* Top Matches */
        .top-matches-section {
            padding: 48px 0 0;
        }
        .top-match-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .top-match-card {
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 16px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
        }
        .top-match-card:hover {
            transform: translateY(-4px);
            border-color: rgba(47,216,255,0.35);
        }
        .top-match-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--muted);
            font-size: 0.75rem;
            margin-bottom: 10px;
        }
        .top-teams {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.95rem;
            font-weight: 700;
            gap: 8px;
        }
        .top-score {
            color: var(--amber-gold);
            font-weight: 800;
            font-size: 1.1rem;
        }
        .top-trend {
            margin-top: 10px;
            color: var(--muted);
            font-size: 0.75rem;
            display: flex;
            justify-content: space-between;
        }

        /* Trend Brief */
        .trend-brief-section {
            padding: 48px 0 0;
        }
        .trend-brief-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .trend-card {
            background: var(--glass-bg-strong);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 22px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
        }
        .trend-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .trend-meter {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 10px 0;
        }
        .trend-meter-label {
            width: 70px;
            color: var(--muted);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .trend-meter-bar {
            flex: 1;
            height: 8px;
            border-radius: 999px;
            background: rgba(255,255,255,0.06);
            overflow: hidden;
        }
        .trend-meter-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-deep));
            box-shadow: 0 0 8px rgba(47,216,255,0.5);
        }

        /* FAQ */
        .faq-section {
            padding: 48px 0 0;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        details.faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        details.faq-item[open] {
            border-color: rgba(47,216,255,0.45);
            box-shadow: 0 0 24px rgba(47,216,255,0.15);
        }
        summary.faq-question {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            background: transparent;
            transition: color var(--transition-fast);
        }
        summary.faq-question::-webkit-details-marker {
            display: none;
        }
        summary.faq-question:hover {
            color: var(--cyan);
        }
        .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: rgba(47,216,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-weight: 800;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }
        details[open] .faq-icon {
            transform: rotate(45deg);
            background: rgba(47,216,255,0.2);
        }
        .faq-answer {
            padding: 0 22px 20px;
            color: var(--muted);
            line-height: 1.75;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 16px;
        }

        /* CTA */
        .cta-section {
            padding: 56px 0 80px;
        }
        .cta-panel {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(47,216,255,0.2);
            box-shadow: 0 0 40px rgba(47,216,255,0.12);
        }
        .cta-panel-bg {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,16,32,0.95) 0%, rgba(17,26,51,0.85) 50%, rgba(0,180,255,0.2) 100%);
            z-index: 0;
        }
        .cta-panel-content {
            position: relative;
            z-index: 1;
            padding: 48px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-title {
            font-size: 1.6rem;
            font-weight: 800;
            line-height: 1.3;
        }
        .cta-title .accent {
            color: var(--cyan);
        }
        .cta-text {
            color: var(--muted);
            margin-top: 8px;
            max-width: 560px;
        }
        .btn-glow-large {
            padding: 14px 28px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 800;
            font-size: 1rem;
            box-shadow: var(--glow-cyan);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-glow-large:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }
        .btn-glow-large:active {
            transform: scale(0.97);
        }

        /* Footer */
        .site-footer {
            background: rgba(8,11,21,0.9);
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 48px 0 24px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand .logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--muted);
            font-size: 0.9rem;
            max-width: 340px;
        }
        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--white);
        }
        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-column ul a {
            color: var(--muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-column ul a:hover {
            color: var(--cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            color: var(--muted-dim);
            font-size: 0.8rem;
        }
        .legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .legal-links a {
            color: var(--muted);
        }
        .legal-links a:hover {
            color: var(--cyan);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu-open .main-nav {
                display: flex;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(11,16,32,0.96);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(255,255,255,0.08);
                padding: 16px 24px;
                gap: 4px;
            }
            .mobile-menu-open .main-nav a {
                width: 100%;
                padding: 12px 16px;
            }
            .glance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .top-match-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .standings-row {
                grid-template-columns: 70px 1fr 70px 60px 60px 60px;
            }
            .standings-row .standings-cell:nth-child(6),
            .standings-row .standings-cell:nth-child(7) {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .match-grid {
                grid-template-columns: 1fr;
            }
            .trend-brief-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .cta-panel-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-glow-large {
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .glance-grid {
                grid-template-columns: 1fr;
            }
            .top-match-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .standings-row {
                grid-template-columns: 50px 1fr 50px 50px;
            }
            .standings-row .standings-cell:nth-child(4),
            .standings-row .standings-cell:nth-child(5),
            .standings-row .standings-cell:nth-child(6),
            .standings-row .standings-cell:nth-child(7) {
                display: none;
            }
            .toolbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-title {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B1020;
            --bg-secondary: #0D1528;
            --bg-tertiary: #111A33;
            --cyan: #2FD8FF;
            --cyan-deep: #00B4FF;
            --neon-green: #A3FF3B;
            --amber-gold: #FFC857;
            --white: #F5F7FF;
            --muted: #A8B3CF;
            --muted-dim: #5E6A85;
            --border-glass: rgba(255, 255, 255, 0.12);
            --glass-bg: rgba(255, 255, 255, 0.07);
            --glass-bg-strong: rgba(255, 255, 255, 0.1);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-pad: 80px 24px;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.3s ease;
            --glow-cyan: 0 0 20px rgba(47, 216, 255, 0.6);
            --glow-cyan-hover: 0 0 30px rgba(47, 216, 255, 0.85);
            --glow-gold: 0 0 20px rgba(255, 200, 87, 0.5);
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 50% 0%, #111A33 0%, #0B1020 55%, #080B15 100%);
            color: var(--white);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

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

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

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 16, 32, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-mid);
        }

        .site-header.scrolled {
            background: rgba(11, 16, 32, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--white);
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 900;
            color: #0B1020;
            box-shadow: var(--glow-cyan);
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--muted);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
        }

        .main-nav a.active {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.1);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-deep));
            box-shadow: var(--glow-cyan);
        }

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

        .btn-header-cta {
            padding: 10px 18px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }

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

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: 10px;
            transition: background var(--transition-fast);
        }

        .hamburger:hover {
            background: rgba(47, 216, 255, 0.08);
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--white);
            border-radius: 2px;
            transition: all var(--transition-mid);
        }

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

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

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

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(11, 16, 32, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                gap: 4px;
            }

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

            .main-nav a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                text-align: left;
            }

            .main-nav a.active::after {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .header-actions .btn-header-cta {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 64px;
            }

            .main-nav {
                top: 64px;
                padding: 12px 16px 20px;
            }

            .logo {
                font-size: 1.15rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 10px;
            }
        }

        /* ========== Category Page Header ========== */
        .category-header {
            padding: 48px 0 32px;
            position: relative;
            background: linear-gradient(180deg, rgba(17, 26, 51, 0.7) 0%, rgba(11, 16, 32, 0.2) 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .category-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(47, 216, 255, 0.07) 0%, transparent 55%);
            pointer-events: none;
            z-index: 0;
        }

        .category-header .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--muted-dim);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--muted-dim);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--cyan);
            font-weight: 600;
        }

        .category-header h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .category-header h1 .accent {
            color: var(--cyan);
        }

        .category-header .category-desc {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.85;
        }

        /* ========== Filter Toolbar ========== */
        .filter-toolbar {
            padding: 20px 0 12px;
            position: relative;
            z-index: 10;
        }

        .filter-toolbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 16px 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 0.85rem;
            color: var(--muted-dim);
            font-weight: 600;
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-btn {
            padding: 8px 16px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-btn:hover {
            color: var(--cyan);
            border-color: rgba(47, 216, 255, 0.4);
            background: rgba(47, 216, 255, 0.06);
        }

        .filter-btn.active {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.12);
            border-color: rgba(47, 216, 255, 0.45);
            box-shadow: 0 0 12px rgba(47, 216, 255, 0.25);
        }

        .filter-select {
            padding: 8px 32px 8px 14px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A8B3CF' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            cursor: pointer;
            transition: all var(--transition-fast);
            min-width: 110px;
        }

        .filter-select:hover,
        .filter-select:focus {
            border-color: rgba(47, 216, 255, 0.4);
            outline: none;
            color: var(--white);
        }

        .filter-select option {
            background: var(--bg-tertiary);
            color: var(--white);
        }

        /* ========== Match Cards Grid ========== */
        .match-cards-section {
            padding: 24px 0 64px;
        }

        .section-heading-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-heading-row h2 {
            font-size: clamp(1.3rem, 2.5vw, 1.8rem);
            font-weight: 700;
            color: var(--white);
            letter-spacing: -0.3px;
        }

        .section-heading-row h2 .accent {
            color: var(--cyan);
        }

        .section-heading-row .heading-meta {
            font-size: 0.9rem;
            color: var(--muted-dim);
            font-weight: 500;
        }

        .match-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 20px;
        }

        .match-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-mid);
            display: flex;
            flex-direction: column;
        }

        .match-card:hover {
            transform: translateY(-4px);
            border-color: rgba(47, 216, 255, 0.35);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(47, 216, 255, 0.15);
        }

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

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

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

        .match-card-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 16, 32, 0.1) 0%, rgba(11, 16, 32, 0.75) 100%);
            pointer-events: none;
        }

        .match-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            background: rgba(11, 16, 32, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--cyan);
            z-index: 2;
            pointer-events: none;
        }

        .match-card-badge.hot {
            color: var(--amber-gold);
            border-color: rgba(255, 200, 87, 0.4);
        }

        .match-card-badge.live {
            color: var(--neon-green);
            border-color: rgba(163, 255, 59, 0.4);
        }

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

        .match-card-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .match-team {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--white);
        }

        .match-team .team-name {
            font-size: 1rem;
            font-weight: 700;
            text-align: center;
        }

        .match-vs {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--muted-dim);
            letter-spacing: 1px;
        }

        .match-card-info {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--muted);
        }

        .match-card-info .info-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            white-space: nowrap;
        }

        .match-card-info .info-item .info-value {
            color: var(--white);
            font-weight: 700;
        }

        .match-card-excerpt {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .match-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--cyan);
            transition: color var(--transition-fast), gap var(--transition-fast);
            margin-top: auto;
            padding-top: 6px;
        }

        .match-card-link:hover {
            color: #7ae8ff;
            gap: 10px;
        }

        @media (max-width: 520px) {
            .match-cards-grid {
                grid-template-columns: 1fr;
            }

            .match-card-teams {
                flex-direction: column;
                gap: 8px;
            }

            .match-vs {
                font-size: 0.8rem;
            }

            .filter-toolbar-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        /* ========== Featured Matches ========== */
        .featured-matches-section {
            padding: 64px 0;
            background: rgba(13, 21, 40, 0.5);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .featured-matches-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .featured-match-card {
            background: var(--glass-bg-strong);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
            position: relative;
            overflow: hidden;
        }

        .featured-match-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-deep), transparent);
            opacity: 0;
            transition: opacity var(--transition-mid);
        }

        .featured-match-card:hover {
            transform: translateY(-3px);
            border-color: rgba(47, 216, 255, 0.35);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        }

        .featured-match-card:hover::before {
            opacity: 1;
        }

        .featured-match-rank {
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--amber-gold);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .featured-match-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1.4;
        }

        .featured-match-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--muted);
        }

        .featured-match-heat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--muted);
        }

        .heat-bar {
            flex: 1;
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
            max-width: 120px;
        }

        .heat-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--amber-gold), #FF9F43);
            transition: width var(--transition-mid);
        }

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

        /* ========== Data Board ========== */
        .data-board-section {
            padding: 64px 0;
        }

        .data-board-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .data-board-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: border-color var(--transition-mid);
        }

        .data-board-card:hover {
            border-color: rgba(47, 216, 255, 0.3);
        }

        .data-board-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: -0.2px;
        }

        .data-board-card h3 .accent {
            color: var(--cyan);
        }

        .data-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .data-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
        }

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

        .data-list-item .data-name {
            color: var(--muted);
            font-weight: 500;
        }

        .data-list-item .data-value {
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
        }

        .data-list-item .data-value.gold {
            color: var(--amber-gold);
        }

        .data-list-item .data-value.cyan {
            color: var(--cyan);
        }

        .data-list-item .data-value.green {
            color: var(--neon-green);
        }

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

        /* ========== Schedule Timeline ========== */
        .schedule-section {
            padding: 64px 0;
            background: rgba(13, 21, 40, 0.5);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .schedule-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 28px;
        }

        .schedule-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 12px;
            bottom: 12px;
            width: 2px;
            background: linear-gradient(180deg, var(--cyan), rgba(47, 216, 255, 0.2));
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            padding: 18px 0 18px 20px;
            transition: background var(--transition-fast);
            border-radius: 10px;
        }

        .timeline-item:hover {
            background: rgba(47, 216, 255, 0.04);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 24px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--cyan);
            box-shadow: 0 0 10px rgba(47, 216, 255, 0.5);
            transition: all var(--transition-fast);
        }

        .timeline-item:hover::before {
            background: var(--cyan);
            box-shadow: 0 0 16px rgba(47, 216, 255, 0.8);
        }

        .timeline-time {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--cyan);
            white-space: nowrap;
            margin-bottom: 4px;
        }

        .timeline-content {
            font-size: 0.95rem;
            color: var(--white);
            font-weight: 600;
        }

        .timeline-meta {
            font-size: 0.82rem;
            color: var(--muted);
            margin-top: 2px;
        }

        @media (max-width: 520px) {
            .schedule-timeline {
                padding-left: 20px;
            }

            .timeline-item {
                padding-left: 12px;
            }

            .timeline-item::before {
                left: -22px;
                width: 8px;
                height: 8px;
            }
        }

        /* ========== FAQ Section ========== */
        .faq-section {
            padding: 64px 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition-mid), box-shadow var(--transition-mid);
        }

        .faq-item.open {
            border-color: rgba(47, 216, 255, 0.4);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 16px rgba(47, 216, 255, 0.15);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
            font-weight: 700;
            font-size: 1rem;
            color: var(--white);
            line-height: 1.5;
        }

        .faq-question:hover {
            background: rgba(47, 216, 255, 0.04);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--cyan);
            transition: transform var(--transition-mid), background var(--transition-fast);
            font-weight: 400;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(47, 216, 255, 0.15);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-mid), padding var(--transition-mid);
            padding: 0 20px;
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.85;
        }

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

        /* ========== CTA Section ========== */
        .cta-section {
            padding: 72px 0;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(17, 26, 51, 0.9) 0%, rgba(11, 16, 32, 0.95) 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 100%, rgba(47, 216, 255, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-inner h2 .accent {
            color: var(--cyan);
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: var(--muted);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            align-items: center;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto 16px;
        }

        .cta-form input {
            flex: 1;
            padding: 14px 18px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--white);
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-width: 0;
        }

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

        .cta-form input:focus {
            border-color: rgba(47, 216, 255, 0.5);
            box-shadow: 0 0 12px rgba(47, 216, 255, 0.2);
        }

        .cta-form .btn-cta {
            padding: 14px 28px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .cta-form .btn-cta:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }

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

        .cta-note {
            font-size: 0.82rem;
            color: var(--muted-dim);
            line-height: 1.6;
        }

        @media (max-width: 520px) {
            .cta-form {
                flex-direction: column;
            }

            .cta-form input {
                width: 100%;
            }

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

        /* ========== Footer ========== */
        .site-footer {
            background: rgba(8, 11, 21, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 24px;
            position: relative;
            z-index: 1;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            font-size: 1.25rem;
            margin-bottom: 14px;
        }

        .footer-brand .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 1rem;
            border-radius: 10px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .footer-column ul a:hover {
            color: var(--cyan);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--muted-dim);
        }

        .legal-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .legal-links a {
            color: var(--muted-dim);
            transition: color var(--transition-fast);
        }

        .legal-links a:hover {
            color: var(--cyan);
        }

        @media (max-width: 900px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }

            .footer-brand {
                grid-column: span 1;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .legal-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ========== Section Base ========== */
        section {
            position: relative;
        }

        .section-spacer {
            height: 1px;
            background: rgba(255, 255, 255, 0.05);
            width: 100%;
        }

        /* ========== Focus Styles ========== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B1020;
            --bg-secondary: #0D1528;
            --bg-tertiary: #111A33;
            --cyan: #2FD8FF;
            --cyan-deep: #00B4FF;
            --neon-green: #A3FF3B;
            --amber-gold: #FFC857;
            --white: #F5F7FF;
            --muted: #A8B3CF;
            --muted-dim: #5E6A85;
            --border-glass: rgba(255, 255, 255, 0.12);
            --glass-bg: rgba(255, 255, 255, 0.07);
            --glass-bg-strong: rgba(255, 255, 255, 0.1);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-pad: 80px 24px;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.3s ease;
            --glow-cyan: 0 0 20px rgba(47, 216, 255, 0.6);
            --glow-cyan-hover: 0 0 30px rgba(47, 216, 255, 0.85);
            --glow-gold: 0 0 20px rgba(255, 200, 87, 0.5);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 50% 0%, #111A33 0%, #0B1020 55%, #080B15 100%);
            color: var(--white);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--cyan);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
            font-size: inherit;
        }
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

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

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 16, 32, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-mid);
        }
        .site-header.scrolled {
            background: rgba(11, 16, 32, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--white);
            white-space: nowrap;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 900;
            color: #0B1020;
            box-shadow: var(--glow-cyan);
            flex-shrink: 0;
        }
        .logo .logo-text-accent {
            color: var(--cyan);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--muted);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
        }
        .main-nav a.active {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.1);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-deep));
            box-shadow: var(--glow-cyan);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-header-cta {
            padding: 10px 18px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
            color: #0B1020;
        }
        .btn-header-cta:active {
            transform: scale(0.97);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            transition: background var(--transition-fast);
        }
        .hamburger:hover {
            background: rgba(47, 216, 255, 0.1);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--white);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            padding: 28px 0 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: var(--cyan);
        }
        .breadcrumb-nav .separator {
            color: var(--muted-dim);
        }
        .breadcrumb-nav .current {
            color: var(--cyan);
            font-weight: 600;
        }

        /* ========== Category Header ========== */
        .category-header {
            padding: 36px 0 12px;
        }
        .category-header h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .category-header h1 .brand-suffix {
            color: var(--cyan);
        }
        .category-header .lead-text {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 780px;
            line-height: 1.8;
        }

        /* ========== Section Base ========== */
        .section {
            padding: 48px 0;
        }
        .section-tight {
            padding: 28px 0;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 0.98rem;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.7;
        }
        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(47, 216, 255, 0.3), transparent);
            margin: 48px 0 16px;
        }

        /* ========== Filter Toolbar ========== */
        .filter-toolbar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            padding: 18px 20px;
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-btn {
            padding: 8px 16px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            color: var(--muted);
            font-size: 0.88rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-btn:hover {
            color: var(--cyan);
            border-color: rgba(47, 216, 255, 0.4);
            background: rgba(47, 216, 255, 0.06);
        }
        .filter-btn.active {
            color: #0B1020;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            border-color: transparent;
            box-shadow: var(--glow-cyan);
        }
        .filter-select {
            padding: 8px 14px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            color: var(--muted);
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            appearance: none;
            -webkit-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='%23A8B3CF' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }
        .filter-select:hover,
        .filter-select:focus {
            border-color: rgba(47, 216, 255, 0.4);
            outline: none;
            color: var(--cyan);
        }

        /* ========== Strategy Card Grid ========== */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 24px;
        }
        .strategy-card {
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
            display: flex;
            flex-direction: column;
        }
        .strategy-card:hover {
            transform: translateY(-4px);
            border-color: rgba(47, 216, 255, 0.35);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 24px rgba(47, 216, 255, 0.15);
        }
        .strategy-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }
        .strategy-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .strategy-card:hover .strategy-card-img img {
            transform: scale(1.05);
        }
        .strategy-card-img .badge-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 8px;
            background: rgba(11, 16, 32, 0.85);
            backdrop-filter: blur(8px);
            color: var(--cyan);
            font-size: 0.75rem;
            font-weight: 700;
            border: 1px solid rgba(47, 216, 255, 0.3);
        }
        .strategy-card-body {
            padding: 20px 20px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .strategy-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1.45;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }
        .strategy-card:hover .strategy-card-title {
            color: var(--cyan);
        }
        .strategy-card-desc {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 14px;
        }
        .strategy-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--muted-dim);
        }
        .strategy-card-meta .meta-tag {
            color: var(--amber-gold);
            font-weight: 600;
        }
        .strategy-card-meta .meta-read {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== Featured List ========== */
        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 24px;
        }
        .featured-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px;
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), border-color var(--transition-mid);
        }
        .featured-item:hover {
            transform: translateX(6px);
            border-color: rgba(47, 216, 255, 0.35);
        }
        .featured-item-img {
            width: 180px;
            height: 110px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .featured-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-item-content {
            flex: 1;
        }
        .featured-item-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .featured-item:hover .featured-item-title {
            color: var(--cyan);
        }
        .featured-item-desc {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .featured-item-meta {
            font-size: 0.8rem;
            color: var(--muted-dim);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .featured-item-meta .highlight {
            color: var(--neon-green);
            font-weight: 600;
        }

        /* ========== Data Quick Stats ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 24px;
        }
        .stat-card {
            padding: 24px 20px;
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            text-align: center;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast);
        }
        .stat-card:hover {
            border-color: rgba(47, 216, 255, 0.3);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--cyan);
            line-height: 1.2;
            margin-bottom: 6px;
            text-shadow: 0 0 18px rgba(47, 216, 255, 0.4);
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: border-color var(--transition-mid), box-shadow var(--transition-mid);
        }
        .faq-item:hover {
            border-color: rgba(47, 216, 255, 0.25);
        }
        .faq-item.open {
            border-color: rgba(47, 216, 255, 0.45);
            box-shadow: 0 0 20px rgba(47, 216, 255, 0.12);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 22px;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--cyan);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(47, 216, 255, 0.1);
            color: var(--cyan);
            font-size: 0.9rem;
            transition: transform var(--transition-mid);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: 56px 0 24px;
        }
        .cta-box {
            padding: 40px 36px;
            background: linear-gradient(135deg, rgba(47, 216, 255, 0.1) 0%, rgba(0, 180, 255, 0.06) 100%);
            border: 1px solid rgba(47, 216, 255, 0.25);
            border-radius: var(--radius-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -30%;
            width: 160%;
            height: 220%;
            background: radial-gradient(ellipse, rgba(47, 216, 255, 0.18) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 1rem;
            color: var(--muted);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        .btn-glow-lg {
            display: inline-block;
            padding: 15px 36px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-size: 1rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            position: relative;
            z-index: 1;
        }
        .btn-glow-lg:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.04);
            filter: brightness(1.08);
            color: #0B1020;
        }
        .btn-glow-lg:active {
            transform: scale(0.96);
        }

        /* ========== View More ========== */
        .view-more-wrap {
            text-align: center;
            margin-top: 28px;
        }
        .btn-glass {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            color: var(--cyan);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .btn-glass:hover {
            border-color: rgba(47, 216, 255, 0.5);
            background: rgba(47, 216, 255, 0.08);
            color: var(--cyan);
            box-shadow: 0 0 16px rgba(47, 216, 255, 0.25);
        }
        .btn-glass:active {
            transform: scale(0.97);
        }
        .btn-glass:focus,
        .btn-glow-lg:focus,
        .btn-header-cta:focus,
        .filter-btn:focus {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #080B15;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-column ul li a {
            font-size: 0.88rem;
            color: var(--muted);
            transition: color var(--transition-fast);
        }
        .footer-column ul li a:hover {
            color: var(--cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--muted-dim);
        }
        .legal-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .legal-links a {
            color: var(--muted-dim);
            transition: color var(--transition-fast);
        }
        .legal-links a:hover {
            color: var(--cyan);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: flex-start;
                background: rgba(11, 16, 32, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-glass);
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .main-nav a.active::after {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .main-nav {
                top: 64px;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 10px;
            }
            .btn-header-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .category-header h1 {
                font-size: 1.8rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .featured-item {
                flex-direction: column;
                gap: 14px;
            }
            .featured-item-img {
                width: 100%;
                height: 160px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-box {
                padding: 28px 20px;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .breadcrumb-nav {
                font-size: 0.8rem;
                gap: 6px;
            }
            .category-header h1 {
                font-size: 1.6rem;
            }
            .category-header .lead-text {
                font-size: 0.92rem;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 2rem;
            }
            .btn-glow-lg {
                padding: 13px 24px;
                font-size: 0.9rem;
            }
            .btn-glass {
                padding: 10px 20px;
                font-size: 0.82rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
            .legal-links {
                gap: 8px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0B1020;
            --bg-secondary: #0D1528;
            --bg-tertiary: #111A33;
            --cyan: #2FD8FF;
            --cyan-deep: #00B4FF;
            --neon-green: #A3FF3B;
            --amber-gold: #FFC857;
            --white: #F5F7FF;
            --muted: #A8B3CF;
            --muted-dim: #5E6A85;
            --border-glass: rgba(255, 255, 255, 0.12);
            --glass-bg: rgba(255, 255, 255, 0.07);
            --glass-bg-strong: rgba(255, 255, 255, 0.1);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-pad: 80px 24px;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.3s ease;
            --glow-cyan: 0 0 20px rgba(47, 216, 255, 0.6);
            --glow-cyan-hover: 0 0 30px rgba(47, 216, 255, 0.85);
            --glow-gold: 0 0 20px rgba(255, 200, 87, 0.5);
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 50% 0%, #111A33 0%, #0B1020 55%, #080B15 100%);
            color: var(--white);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        input {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

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

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

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 16, 32, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-mid), box-shadow var(--transition-mid);
        }

        .site-header.scrolled {
            background: rgba(11, 16, 32, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--white);
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 900;
            color: #0B1020;
            box-shadow: var(--glow-cyan);
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--muted);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
        }

        .main-nav a.active {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.1);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-deep));
            box-shadow: var(--glow-cyan);
        }

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

        .btn-header-cta {
            padding: 10px 18px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }

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

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid var(--border-glass);
            background: var(--glass-bg);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--white);
            transition: transform var(--transition-mid), opacity var(--transition-mid);
        }

        .hamburger:hover {
            background: var(--glass-bg-strong);
            border-color: var(--cyan);
        }

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

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

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

        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(11, 16, 32, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 4px;
            z-index: 999;
        }

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

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--muted);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .mobile-menu a:hover {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
        }

        .mobile-menu a.active {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.1);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--muted-dim);
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            color: var(--muted-dim);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--cyan);
            font-weight: 600;
        }

        /* ========== Category Header ========== */
        .category-header {
            padding: 36px 24px 32px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .category-header h1 {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 12px;
            color: var(--white);
            letter-spacing: 0.5px;
        }

        .category-header h1 .accent {
            color: var(--cyan);
        }

        .category-header p {
            font-size: 1rem;
            color: var(--muted);
            margin: 0;
            max-width: 680px;
            line-height: 1.8;
        }

        /* ========== Section Base ========== */
        .section {
            padding: 56px 24px;
        }

        .section-alt {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-title {
            font-size: clamp(1.35rem, 2.5vw, 1.8rem);
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--white);
            line-height: 1.3;
        }

        .section-title .accent {
            color: var(--cyan);
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--muted);
            margin: 0 0 32px;
            max-width: 720px;
            line-height: 1.7;
        }

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

        .section-head .title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .section-head .more-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), gap var(--transition-fast);
        }

        .section-head .more-link:hover {
            color: var(--white);
            gap: 10px;
        }

        /* ========== Topic Tags ========== */
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-tag {
            padding: 8px 16px;
            border-radius: 999px;
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--muted);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .topic-tag:hover {
            border-color: var(--cyan);
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
            box-shadow: 0 0 12px rgba(47, 216, 255, 0.2);
        }

        .topic-tag.hot {
            border-color: rgba(255, 200, 87, 0.5);
            color: var(--amber-gold);
            background: rgba(255, 200, 87, 0.08);
        }

        /* ========== Post Cards Grid ========== */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .post-card {
            display: flex;
            flex-direction: column;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
        }

        .post-card:hover {
            transform: translateY(-4px);
            border-color: rgba(47, 216, 255, 0.4);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 20px rgba(47, 216, 255, 0.15);
        }

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

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

        .post-card:hover .post-cover img {
            transform: scale(1.04);
        }

        .post-card .post-cover .post-tag-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(11, 16, 32, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--cyan);
        }

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

        .post-card .post-title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--white);
            margin: 0;
            transition: color var(--transition-fast);
        }

        .post-card:hover .post-title {
            color: var(--cyan);
        }

        .post-card .post-excerpt {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--muted-dim);
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .post-card .post-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--muted-dim);
        }

        .post-card .post-author {
            color: var(--cyan);
            font-weight: 600;
        }

        /* ========== Leaderboard ========== */
        .leaderboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .leader-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), border-color var(--transition-mid);
            position: relative;
        }

        .leader-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 200, 87, 0.4);
        }

        .leader-card .rank-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--amber-gold), #f0a020);
            color: #0B1020;
            font-weight: 800;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--glow-gold);
        }

        .leader-card .rank-badge.rank-1 {
            background: linear-gradient(135deg, #FFD700, var(--amber-gold));
            box-shadow: 0 0 24px rgba(255, 200, 87, 0.7);
        }

        .leader-card .rank-badge.rank-2 {
            background: linear-gradient(135deg, #C0C0C0, #E8E8E8);
            box-shadow: 0 0 16px rgba(192, 192, 192, 0.5);
        }

        .leader-card .rank-badge.rank-3 {
            background: linear-gradient(135deg, #CD7F32, #E8A060);
            box-shadow: 0 0 16px rgba(205, 127, 50, 0.5);
        }

        .leader-card .avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: #0B1020;
            margin: 0 auto 12px;
            box-shadow: var(--glow-cyan);
        }

        .leader-card .leader-name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 4px;
        }

        .leader-card .leader-specialty {
            font-size: 0.8rem;
            color: var(--muted);
            margin: 0 0 8px;
        }

        .leader-card .leader-stat {
            font-size: 0.85rem;
            color: var(--neon-green);
            font-weight: 600;
        }

        /* ========== Featured Posts ========== */
        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .featured-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
        }

        .featured-item:hover {
            border-color: rgba(47, 216, 255, 0.4);
            background: var(--glass-bg-strong);
            transform: translateX(4px);
        }

        .featured-item .featured-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(47, 216, 255, 0.12);
            border: 1px solid rgba(47, 216, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
            color: var(--cyan);
        }

        .featured-item .featured-content {
            flex: 1;
            min-width: 0;
        }

        .featured-item .featured-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--white);
            margin: 0 0 2px;
        }

        .featured-item .featured-desc {
            font-size: 0.8rem;
            color: var(--muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .featured-item .featured-arrow {
            color: var(--muted-dim);
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .featured-item:hover .featured-arrow {
            color: var(--cyan);
        }

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

        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-mid), box-shadow var(--transition-mid);
        }

        .faq-item.is-open {
            border-color: rgba(47, 216, 255, 0.5);
            box-shadow: 0 0 20px rgba(47, 216, 255, 0.12);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            text-align: left;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.04);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(47, 216, 255, 0.1);
            border: 1px solid rgba(47, 216, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
            color: var(--cyan);
            transition: transform var(--transition-mid);
        }

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

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

        .faq-item.is-open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.92rem;
            color: var(--muted);
            line-height: 1.8;
        }

        /* ========== Channel Entry ========== */
        .channel-entry {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 10px;
        }

        .channel-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 20px 12px;
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--muted);
            text-align: center;
            transition: all var(--transition-fast);
        }

        .channel-link:hover {
            border-color: rgba(47, 216, 255, 0.4);
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.05);
            transform: translateY(-2px);
        }

        .channel-link .channel-icon {
            font-size: 1.4rem;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 72px 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(47, 216, 255, 0.15) 0%, rgba(47, 216, 255, 0) 70%);
            pointer-events: none;
        }

        .cta-box {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-card), 0 0 40px rgba(47, 216, 255, 0.08);
        }

        .cta-box h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 800;
            margin: 0 0 12px;
            color: var(--white);
            line-height: 1.35;
        }

        .cta-box p {
            font-size: 0.95rem;
            color: var(--muted);
            margin: 0 0 24px;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }

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

        .btn-secondary {
            display: inline-block;
            padding: 13px 28px;
            border-radius: 14px;
            background: transparent;
            border: 1px solid rgba(47, 216, 255, 0.4);
            color: var(--cyan);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .btn-secondary:hover {
            border-color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
            box-shadow: 0 0 16px rgba(47, 216, 255, 0.25);
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: #080B15;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 24px 0;
            margin-top: 24px;
        }

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

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }

        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 16px;
        }

        .footer-column ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .footer-column ul a:hover {
            color: var(--cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--muted-dim);
        }

        .legal-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .legal-links a {
            color: var(--muted-dim);
            transition: color var(--transition-fast);
        }

        .legal-links a:hover {
            color: var(--cyan);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }

            .main-nav a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }

            .post-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

            .channel-entry {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }

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

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .main-nav {
                display: none;
            }

            .btn-header-cta {
                display: none;
            }

            .header-inner {
                height: 60px;
            }

            .mobile-menu {
                top: 60px;
            }

            .section {
                padding: 40px 16px;
            }

            .section-alt {
                padding: 40px 16px;
            }

            .breadcrumb-wrap {
                padding: 16px 16px 0;
            }

            .category-header {
                padding: 24px 16px 20px;
            }

            .post-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .leaderboard {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .channel-entry {
                grid-template-columns: repeat(2, 1fr);
                gap: 6px;
            }

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

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
                padding-bottom: 24px;
            }

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

            .legal-links {
                flex-wrap: wrap;
                gap: 8px;
            }
        }

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

            .category-header h1 {
                font-size: 1.5rem;
            }

            .post-card .post-body {
                padding: 14px;
            }

            .post-card .post-title {
                font-size: 1rem;
            }

            .post-card .post-excerpt {
                font-size: 0.85rem;
            }

            .topic-tag {
                padding: 6px 12px;
                font-size: 0.78rem;
            }

            .cta-box h2 {
                font-size: 1.25rem;
            }

            .btn-primary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category4 */
:root {
        --bg-primary: #0B1020;
        --bg-secondary: #0D1528;
        --bg-tertiary: #111A33;
        --cyan: #2FD8FF;
        --cyan-deep: #00B4FF;
        --neon-green: #A3FF3B;
        --amber-gold: #FFC857;
        --white: #F5F7FF;
        --muted: #A8B3CF;
        --muted-dim: #5E6A85;
        --border-glass: rgba(255, 255, 255, 0.12);
        --glass-bg: rgba(255, 255, 255, 0.07);
        --glass-bg-strong: rgba(255, 255, 255, 0.1);
        --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
        --radius-sm: 12px;
        --radius-md: 16px;
        --radius-lg: 24px;
        --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        --container-max: 1200px;
        --section-pad: 80px 24px;
        --transition-fast: 0.2s ease;
        --transition-mid: 0.3s ease;
        --glow-cyan: 0 0 20px rgba(47, 216, 255, 0.6);
        --glow-cyan-hover: 0 0 30px rgba(47, 216, 255, 0.85);
        --glow-gold: 0 0 20px rgba(255, 200, 87, 0.5);
    }

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

    body {
        font-family: var(--font-family);
        background-color: var(--bg-primary);
        background-image: radial-gradient(ellipse at 50% 0%, #111A33 0%, #0B1020 55%, #080B15 100%);
        color: var(--white);
        line-height: 1.75;
        font-size: 16px;
        min-height: 100vh;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

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

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

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

    input {
        font-family: inherit;
        font-size: inherit;
        color: inherit;
    }

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

    /* ========== Header / Navigation ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(11, 16, 32, 0.82);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transition: background var(--transition-mid);
    }

    .site-header.scrolled {
        background: rgba(11, 16, 32, 0.96);
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 16px;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.35rem;
        font-weight: 800;
        letter-spacing: 0.5px;
        color: var(--white);
        white-space: nowrap;
    }

    .logo-icon {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.15rem;
        font-weight: 900;
        color: #0B1020;
        box-shadow: var(--glow-cyan);
        flex-shrink: 0;
    }

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

    .main-nav {
        display: flex;
        align-items: center;
        gap: 6px;
        flex: 1;
        justify-content: center;
    }

    .main-nav a {
        padding: 8px 14px;
        border-radius: 10px;
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--muted);
        position: relative;
        transition: color var(--transition-fast), background var(--transition-fast);
        white-space: nowrap;
    }

    .main-nav a:hover {
        color: var(--cyan);
        background: rgba(47, 216, 255, 0.08);
    }

    .main-nav a.active {
        color: var(--cyan);
        background: rgba(47, 216, 255, 0.1);
    }

    .main-nav a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 14px;
        right: 14px;
        height: 2px;
        border-radius: 2px;
        background: linear-gradient(90deg, var(--cyan), var(--cyan-deep));
        box-shadow: var(--glow-cyan);
    }

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

    .btn-header-cta {
        padding: 10px 18px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
        color: #0B1020;
        font-weight: 700;
        font-size: 0.9rem;
        box-shadow: var(--glow-cyan);
        transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
        white-space: nowrap;
    }

    .btn-header-cta:hover {
        box-shadow: var(--glow-cyan-hover);
        transform: scale(1.03);
        filter: brightness(1.08);
    }

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

    .hamburger {
        display: none;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        padding: 8px;
        border-radius: 10px;
        background: var(--glass-bg);
        border: 1px solid var(--border-glass);
        transition: background var(--transition-fast), border-color var(--transition-fast);
    }

    .hamburger span {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--white);
        border-radius: 2px;
        transition: transform var(--transition-mid), opacity var(--transition-mid), background var(--transition-fast);
    }

    .hamburger:hover {
        border-color: var(--cyan);
        background: rgba(47, 216, 255, 0.1);
    }

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

    /* ========== Breadcrumb ========== */
    .breadcrumb-section {
        padding: 32px 0 12px;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 0.9rem;
        color: var(--muted-dim);
    }

    .breadcrumb a {
        color: var(--muted);
        transition: color var(--transition-fast);
    }

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

    .breadcrumb .separator {
        color: var(--muted-dim);
    }

    .breadcrumb .current {
        color: var(--cyan);
        font-weight: 600;
    }

    /* ========== Category Header ========== */
    .category-header {
        padding: 32px 0 24px;
    }

    .category-header-inner {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }

    .category-header-left {
        flex: 1;
        min-width: 280px;
    }

    .category-header h1 {
        font-size: 2.2rem;
        font-weight: 800;
        line-height: 1.25;
        margin: 0 0 12px;
        color: var(--white);
    }

    .category-header h1 .accent {
        color: var(--cyan);
    }

    .category-header .category-desc {
        font-size: 1.05rem;
        color: var(--muted);
        max-width: 680px;
        margin: 0;
        line-height: 1.8;
    }

    .category-header-right {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-shrink: 0;
    }

    .stat-chip {
        background: var(--glass-bg);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-md);
        padding: 12px 18px;
        text-align: center;
        min-width: 90px;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }

    .stat-chip .stat-num {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--cyan);
        display: block;
        line-height: 1.2;
    }

    .stat-chip .stat-label {
        font-size: 0.8rem;
        color: var(--muted);
        display: block;
        margin-top: 2px;
    }

    /* ========== Filter Toolbar ========== */
    .filter-toolbar {
        padding: 16px 0 28px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        margin-bottom: 32px;
    }

    .filter-toolbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .filter-group {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }

    .filter-btn {
        padding: 8px 16px;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--muted);
        background: var(--glass-bg);
        border: 1px solid var(--border-glass);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

    .filter-btn:hover {
        color: var(--cyan);
        border-color: var(--cyan);
        background: rgba(47, 216, 255, 0.08);
    }

    .filter-btn.active {
        color: #0B1020;
        background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
        border-color: transparent;
        box-shadow: var(--glow-cyan);
    }

    .filter-btn:focus-visible,
    .sort-select:focus-visible {
        outline: 2px solid var(--cyan);
        outline-offset: 2px;
    }

    .sort-select {
        padding: 8px 36px 8px 16px;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--muted);
        background: var(--glass-bg);
        border: 1px solid var(--border-glass);
        cursor: pointer;
        appearance: none;
        -webkit-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='%23A8B3CF' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 16px center;
        transition: all var(--transition-fast);
    }

    .sort-select:hover {
        color: var(--cyan);
        border-color: var(--cyan);
    }

    /* ========== Report Cards Grid ========== */
    .reports-section {
        padding: 0 0 40px;
    }

    .reports-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .report-card {
        background: var(--glass-bg);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-mid);
        display: flex;
        flex-direction: column;
    }

    .report-card:hover {
        transform: translateY(-4px);
        border-color: rgba(47, 216, 255, 0.4);
        box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), var(--glow-cyan);
    }

    .report-card-img {
        width: 100%;
        aspect-ratio: 16/9;
        overflow: hidden;
        position: relative;
    }

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

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

    .report-card-img .overlay-tag {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(11, 16, 32, 0.75);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid rgba(47, 216, 255, 0.35);
        color: var(--cyan);
        font-size: 0.75rem;
        font-weight: 700;
        padding: 5px 12px;
        border-radius: 20px;
        letter-spacing: 0.5px;
    }

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

    .report-card-body h2 {
        font-size: 1.2rem;
        font-weight: 700;
        margin: 0 0 8px;
        line-height: 1.4;
        color: var(--white);
    }

    .report-card-body h2 a {
        transition: color var(--transition-fast);
    }

    .report-card-body h2 a:hover {
        color: var(--cyan);
    }

    .report-card-body .report-summary {
        font-size: 0.92rem;
        color: var(--muted);
        margin: 0 0 16px;
        line-height: 1.7;
        flex: 1;
    }

    .report-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        font-size: 0.8rem;
        color: var(--muted-dim);
        padding-top: 14px;
        border-top: 1px solid rgba(255, 255, 255, 0.07);
    }

    .report-meta .meta-left {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .report-meta .tag {
        padding: 3px 10px;
        border-radius: 12px;
        background: rgba(163, 255, 59, 0.1);
        border: 1px solid rgba(163, 255, 59, 0.25);
        color: var(--neon-green);
        font-weight: 600;
        font-size: 0.75rem;
    }

    .report-meta .read-count {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    /* ========== Popular / Featured ========== */
    .featured-section {
        padding: 48px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .section-title {
        font-size: 1.7rem;
        font-weight: 700;
        margin: 0 0 24px;
        color: var(--white);
    }

    .section-title .accent {
        color: var(--cyan);
    }

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

    .featured-card {
        background: var(--glass-bg);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-md);
        padding: 18px;
        transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
    }

    .featured-card:hover {
        transform: translateY(-3px);
        border-color: rgba(47, 216, 255, 0.35);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    }

    .featured-card .fc-img {
        width: 100%;
        aspect-ratio: 4/3;
        border-radius: var(--radius-sm);
        overflow: hidden;
        margin-bottom: 14px;
    }

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

    .featured-card:hover .fc-img img {
        transform: scale(1.03);
    }

    .featured-card h3 {
        font-size: 1.05rem;
        font-weight: 700;
        margin: 0 0 6px;
        line-height: 1.4;
        color: var(--white);
    }

    .featured-card h3 a:hover {
        color: var(--cyan);
    }

    .featured-card .fc-meta {
        font-size: 0.78rem;
        color: var(--muted-dim);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .featured-card .fc-meta .trend {
        color: var(--neon-green);
        font-weight: 600;
    }

    /* ========== Data Insight Table ========== */
    .insight-section {
        padding: 48px 0;
    }

    .insight-panel {
        background: var(--glass-bg);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-lg);
        padding: 28px;
        box-shadow: var(--shadow-card);
    }

    .insight-panel .insight-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 20px;
        flex-wrap: wrap;
    }

    .insight-panel .insight-header h3 {
        font-size: 1.3rem;
        font-weight: 700;
        margin: 0;
        color: var(--white);
    }

    .insight-panel .insight-badge {
        background: rgba(47, 216, 255, 0.1);
        border: 1px solid rgba(47, 216, 255, 0.3);
        color: var(--cyan);
        padding: 4px 14px;
        border-radius: 16px;
        font-size: 0.78rem;
        font-weight: 700;
    }

    .insight-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 0.9rem;
    }

    .insight-table th {
        text-align: left;
        padding: 12px 16px;
        background: rgba(255, 255, 255, 0.04);
        color: var(--cyan);
        font-weight: 700;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        white-space: nowrap;
    }

    .insight-table td {
        padding: 12px 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        color: var(--muted);
        white-space: nowrap;
    }

    .insight-table tr:hover td {
        background: rgba(47, 216, 255, 0.04);
    }

    .insight-table .trend-up {
        color: var(--neon-green);
        font-weight: 700;
    }

    .insight-table .trend-down {
        color: var(--amber-gold);
        font-weight: 700;
    }

    .insight-table .trend-flat {
        color: var(--cyan);
        font-weight: 700;
    }

    /* ========== Subscribe CTA ========== */
    .subscribe-section {
        padding: 56px 0 72px;
    }

    .subscribe-panel {
        background: radial-gradient(ellipse at 50% 0%, rgba(47, 216, 255, 0.12) 0%, rgba(11, 16, 32, 0.4) 70%);
        border: 1px solid rgba(47, 216, 255, 0.25);
        border-radius: var(--radius-lg);
        padding: 46px 36px;
        text-align: center;
        box-shadow: var(--shadow-card);
    }

    .subscribe-panel h2 {
        font-size: 1.8rem;
        font-weight: 800;
        margin: 0 0 12px;
        color: var(--white);
    }

    .subscribe-panel h2 .accent {
        color: var(--cyan);
    }

    .subscribe-panel p {
        color: var(--muted);
        max-width: 560px;
        margin: 0 auto 28px;
        line-height: 1.8;
    }

    .subscribe-form {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
        max-width: 480px;
        margin: 0 auto;
        flex-wrap: wrap;
    }

    .subscribe-form input {
        flex: 1;
        min-width: 240px;
        padding: 14px 18px;
        border-radius: var(--radius-md);
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid var(--border-glass);
        color: var(--white);
        font-size: 0.95rem;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    }

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

    .subscribe-form input:focus {
        outline: none;
        border-color: var(--cyan);
        box-shadow: 0 0 0 3px rgba(47, 216, 255, 0.2);
        background: rgba(255, 255, 255, 0.08);
    }

    .btn-primary {
        padding: 14px 28px;
        border-radius: var(--radius-md);
        background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
        color: #0B1020;
        font-weight: 700;
        font-size: 0.95rem;
        box-shadow: var(--glow-cyan);
        transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
        white-space: nowrap;
    }

    .btn-primary:hover {
        box-shadow: var(--glow-cyan-hover);
        transform: scale(1.03);
        filter: brightness(1.08);
    }

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

    .btn-primary:focus-visible {
        outline: 2px solid var(--cyan);
        outline-offset: 2px;
    }

    /* ========== Footer ========== */
    .site-footer {
        background: rgba(8, 11, 21, 0.75);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 48px 0 28px;
        margin-top: 20px;
    }

    .footer-inner {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }

    .footer-brand p {
        color: var(--muted-dim);
        font-size: 0.9rem;
        line-height: 1.7;
        margin: 16px 0 0;
        max-width: 320px;
    }

    .footer-column h4 {
        font-size: 1rem;
        font-weight: 700;
        margin: 0 0 14px;
        color: var(--white);
    }

    .footer-column ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .footer-column ul a {
        color: var(--muted);
        font-size: 0.9rem;
        transition: color var(--transition-fast);
    }

    .footer-column ul a:hover {
        color: var(--cyan);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 0.8rem;
        color: var(--muted-dim);
    }

    .legal-links {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    .legal-links a {
        color: var(--muted-dim);
        transition: color var(--transition-fast);
    }

    .legal-links a:hover {
        color: var(--cyan);
    }

    /* ========== Responsive ========== */
    @media (max-width: 1024px) {
        .main-nav {
            display: none;
        }

        .hamburger {
            display: flex;
        }

        .header-actions .btn-header-cta {
            display: none;
        }

        .header-inner {
            height: 64px;
        }

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

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

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

        .category-header-inner {
            flex-direction: column;
        }

        .category-header-right {
            width: 100%;
            justify-content: flex-start;
        }

        .insight-panel {
            padding: 20px;
        }

        .insight-table {
            font-size: 0.8rem;
        }

        .insight-table th,
        .insight-table td {
            padding: 10px 12px;
        }
    }

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

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

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

        .category-header h1 {
            font-size: 1.8rem;
        }

        .subscribe-panel {
            padding: 32px 20px;
        }

        .subscribe-panel h2 {
            font-size: 1.5rem;
        }

        .filter-toolbar-inner {
            flex-direction: column;
            align-items: flex-start;
        }

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

    @media (max-width: 520px) {
        :root {
            --section-pad: 48px 16px;
        }

        .container {
            padding: 0 16px;
        }

        .category-header h1 {
            font-size: 1.6rem;
        }

        .category-desc {
            font-size: 0.95rem;
        }

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

        .report-card-body h2 {
            font-size: 1.05rem;
        }

        .insight-panel {
            padding: 16px;
            overflow-x: auto;
        }

        .insight-table {
            min-width: 600px;
        }
    }

    /* Mobile nav overlay */
    .mobile-nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(11, 16, 32, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        z-index: 999;
        flex-direction: column;
        padding: 24px;
        gap: 10px;
        overflow-y: auto;
    }

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

    .mobile-nav-overlay a {
        padding: 14px 18px;
        border-radius: var(--radius-md);
        background: var(--glass-bg);
        border: 1px solid var(--border-glass);
        color: var(--muted);
        font-size: 1.05rem;
        font-weight: 600;
        transition: all var(--transition-fast);
    }

    .mobile-nav-overlay a:hover {
        color: var(--cyan);
        border-color: var(--cyan);
        background: rgba(47, 216, 255, 0.08);
    }

    .mobile-nav-overlay a.active {
        color: var(--cyan);
        border-color: var(--cyan);
        background: rgba(47, 216, 255, 0.1);
    }

    .mobile-nav-overlay .mobile-nav-close {
        align-self: flex-end;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--glass-bg);
        border: 1px solid var(--border-glass);
        color: var(--white);
        font-size: 1.2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all var(--transition-fast);
    }

    .mobile-nav-overlay .mobile-nav-close:hover {
        color: var(--cyan);
        border-color: var(--cyan);
    }

/* roulang page: category6 */
:root {
            --bg-primary: #0B1020;
            --bg-secondary: #0D1528;
            --bg-tertiary: #111A33;
            --cyan: #2FD8FF;
            --cyan-deep: #00B4FF;
            --neon-green: #A3FF3B;
            --amber-gold: #FFC857;
            --white: #F5F7FF;
            --muted: #A8B3CF;
            --muted-dim: #5E6A85;
            --border-glass: rgba(255, 255, 255, 0.12);
            --glass-bg: rgba(255, 255, 255, 0.07);
            --glass-bg-strong: rgba(255, 255, 255, 0.1);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-pad: 72px 24px;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.3s ease;
            --glow-cyan: 0 0 20px rgba(47, 216, 255, 0.6);
            --glow-cyan-hover: 0 0 30px rgba(47, 216, 255, 0.85);
            --glow-gold: 0 0 20px rgba(255, 200, 87, 0.5);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 50% 0%, #111A33 0%, #0B1020 55%, #080B15 100%);
            color: var(--white);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
            font-size: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 16, 32, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-mid), box-shadow var(--transition-mid);
        }
        .site-header.scrolled {
            background: rgba(11, 16, 32, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--white);
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--cyan);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 900;
            color: #0B1020;
            box-shadow: var(--glow-cyan);
            flex-shrink: 0;
        }
        .logo .logo-text-accent {
            color: var(--cyan);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            padding: 8px 13px;
            border-radius: 10px;
            font-size: 0.93rem;
            font-weight: 600;
            color: var(--muted);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
        }
        .main-nav a.active {
            color: var(--cyan);
            background: rgba(47, 216, 255, 0.1);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 13px;
            right: 13px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-deep));
            box-shadow: var(--glow-cyan);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-header-cta {
            padding: 10px 18px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 700;
            font-size: 0.88rem;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
            outline: none;
        }
        .btn-header-cta:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }
        .btn-header-cta:active {
            transform: scale(0.97);
        }
        .btn-header-cta:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            transition: background var(--transition-fast), border-color var(--transition-fast);
            outline: none;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: var(--white);
            transition: transform var(--transition-mid), opacity var(--transition-mid), background var(--transition-fast);
        }
        .hamburger:hover {
            border-color: var(--cyan);
            background: rgba(47, 216, 255, 0.1);
        }
        .hamburger:hover span {
            background: var(--cyan);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            padding: 20px 0 0;
            font-size: 0.88rem;
            color: var(--muted);
        }
        .breadcrumb-bar a {
            color: var(--muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar a:hover {
            color: var(--cyan);
        }
        .breadcrumb-bar .sep {
            margin: 0 8px;
            color: var(--muted-dim);
        }
        .breadcrumb-bar .current {
            color: var(--cyan);
            font-weight: 600;
        }
        /* ========== Category Header ========== */
        .category-header {
            padding: 32px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .category-header-inner {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .category-title-group h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .category-title-group h1 .accent {
            color: var(--cyan);
        }
        .category-title-group .subtitle {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.7;
        }
        .category-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            color: #0B1020;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: var(--glow-cyan);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
            outline: none;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            box-shadow: var(--glow-cyan-hover);
            transform: scale(1.03);
            filter: brightness(1.08);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: 14px;
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            color: var(--white);
            font-weight: 600;
            font-size: 0.93rem;
            transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            outline: none;
        }
        .btn-secondary:hover {
            border-color: var(--cyan);
            background: rgba(47, 216, 255, 0.1);
            box-shadow: 0 0 12px rgba(47, 216, 255, 0.25);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: scale(0.97);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }
        /* ========== Filter Toolbar ========== */
        .filter-toolbar {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .filter-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tab {
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--muted);
            background: var(--glass-bg);
            border: 1px solid var(--border-glass);
            transition: all var(--transition-fast);
            cursor: pointer;
            outline: none;
        }
        .filter-tab:hover {
            color: var(--cyan);
            border-color: var(--cyan);
            background: rgba(47, 216, 255, 0.08);
        }
        .filter-tab.active {
            color: #0B1020;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
            border-color: transparent;
            box-shadow: var(--glow-cyan);
        }
        .filter-tab:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }
        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-sort label {
            font-size: 0.85rem;
            color: var(--muted);
        }
        .filter-sort select {
            padding: 8px 14px;
            border-radius: 10px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-glass);
            color: var(--white);
            font-size: 0.88rem;
            cursor: pointer;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .filter-sort select:hover {
            border-color: var(--cyan);
        }
        .filter-sort select:focus {
            border-color: var(--cyan);
            box-shadow: 0 0 10px rgba(47, 216, 255, 0.3);
        }
        /* ========== Activity Cards Grid ========== */
        .section-block {
            padding: 56px 0;
        }
        .section-block-tight {
            padding: 36px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--cyan);
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: var(--glow-cyan);
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 32px;
        }
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
        }
        .activity-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            transform: translateY(-4px);
            border-color: rgba(47, 216, 255, 0.35);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 20px rgba(47, 216, 255, 0.15);
        }
        .activity-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-tertiary);
        }
        .activity-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }
        .activity-card:hover .activity-card-image img {
            transform: scale(1.04);
        }
        .activity-card-image .tag-float {
            position: absolute;
            top: 14px;
            left: 14px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .tag-hot {
            background: rgba(255, 200, 87, 0.25);
            border: 1px solid rgba(255, 200, 87, 0.5);
            color: var(--amber-gold);
        }
        .tag-new {
            background: rgba(163, 255, 59, 0.18);
            border: 1px solid rgba(163, 255, 59, 0.4);
            color: var(--neon-green);
        }
        .tag-limited {
            background: rgba(47, 216, 255, 0.2);
            border: 1px solid rgba(47, 216, 255, 0.45);
            color: var(--cyan);
        }
        .tag-daily {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--white);
        }
        .activity-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .activity-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .activity-card-body h3 a {
            transition: color var(--transition-fast);
        }
        .activity-card-body h3 a:hover {
            color: var(--cyan);
        }
        .activity-card-body .excerpt {
            font-size: 0.92rem;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .activity-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.82rem;
            color: var(--muted-dim);
            flex-wrap: wrap;
        }
        .activity-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .activity-meta .meta-icon {
            width: 16px;
            height: 16px;
            border-radius: 4px;
            background: rgba(47, 216, 255, 0.15);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--cyan);
            flex-shrink: 0;
        }
        /* ========== Featured Highlight ========== */
        .featured-highlight {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }
        .featured-highlight-image {
            position: relative;
            min-height: 320px;
            overflow: hidden;
        }
        .featured-highlight-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .featured-highlight-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent 40%, rgba(11, 16, 32, 0.85) 100%);
        }
        .featured-highlight-body {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-highlight-body .tag {
            align-self: flex-start;
            margin-bottom: 14px;
        }
        .featured-highlight-body h3 {
            font-size: 1.6rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .featured-highlight-body p {
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 22px;
        }
        .featured-highlight-body .btn-primary {
            align-self: flex-start;
        }
        /* ========== Stats / Leaderboard ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }
        .stat-glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .stat-glass-card:hover {
            border-color: rgba(47, 216, 255, 0.3);
            transform: translateY(-3px);
        }
        .stat-glass-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--cyan);
            line-height: 1.2;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
        .stat-glass-card .stat-number.gold {
            color: var(--amber-gold);
        }
        .stat-glass-card .stat-number.green {
            color: var(--neon-green);
        }
        .stat-glass-card .stat-label {
            font-size: 0.88rem;
            color: var(--muted);
        }
        .leaderboard-mini {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
        }
        .leaderboard-mini h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .leaderboard-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .leaderboard-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 14px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }
        .leaderboard-item:hover {
            background: rgba(47, 216, 255, 0.06);
            border-color: rgba(47, 216, 255, 0.25);
        }
        .leaderboard-rank {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 800;
            background: var(--bg-tertiary);
            color: var(--muted);
            flex-shrink: 0;
        }
        .leaderboard-rank.rank-1 {
            background: rgba(255, 200, 87, 0.2);
            color: var(--amber-gold);
        }
        .leaderboard-rank.rank-2 {
            background: rgba(47, 216, 255, 0.18);
            color: var(--cyan);
        }
        .leaderboard-rank.rank-3 {
            background: rgba(163, 255, 59, 0.15);
            color: var(--neon-green);
        }
        .leaderboard-info {
            flex: 1;
            min-width: 0;
        }
        .leaderboard-info .name {
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--white);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .leaderboard-info .desc {
            font-size: 0.78rem;
            color: var(--muted-dim);
        }
        .leaderboard-points {
            font-weight: 700;
            color: var(--cyan);
            font-size: 0.9rem;
            white-space: nowrap;
        }
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }
        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(47, 216, 255, 0.25);
        }
        .faq-item.open {
            border-color: rgba(47, 216, 255, 0.4);
            box-shadow: 0 0 16px rgba(47, 216, 255, 0.15);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.98rem;
            transition: color var(--transition-fast);
            text-align: left;
            width: 100%;
            outline: none;
            border: none;
            background: none;
            color: var(--white);
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--cyan);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: -2px;
        }
        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 8px;
            background: rgba(47, 216, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--cyan);
            flex-shrink: 0;
            transition: transform var(--transition-mid), background var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: rgba(47, 216, 255, 0.2);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-mid), padding var(--transition-mid);
            padding: 0 20px;
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
            padding-bottom: 20px;
        }
        /* ========== CTA Section ========== */
        .cta-section {
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(47, 216, 255, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-panel {
            background: var(--glass-bg-strong);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(47, 216, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 52px 40px;
            text-align: center;
            box-shadow: var(--shadow-card), 0 0 32px rgba(47, 216, 255, 0.1);
            position: relative;
            z-index: 1;
        }
        .cta-panel h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-panel p {
            color: var(--muted);
            max-width: 580px;
            margin: 0 auto 28px;
            line-height: 1.75;
        }
        .cta-panel .btn-primary {
            font-size: 1.05rem;
            padding: 15px 36px;
            border-radius: 16px;
        }
        /* ========== Footer ========== */
        .site-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(8, 11, 21, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 56px 0 28px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            font-size: 0.95rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-column h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-column ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-column ul a {
            font-size: 0.88rem;
            color: var(--muted);
            transition: color var(--transition-fast);
        }
        .footer-column ul a:hover {
            color: var(--cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 22px;
            font-size: 0.8rem;
            color: var(--muted-dim);
        }
        .legal-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .legal-links a {
            color: var(--muted-dim);
            transition: color var(--transition-fast);
        }
        .legal-links a:hover {
            color: var(--cyan);
        }
        /* ========== Utility ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }
        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--cyan);
            font-size: 0.92rem;
            transition: color var(--transition-fast);
        }
        .btn-link:hover {
            color: var(--white);
        }
        .btn-link .arrow {
            transition: transform var(--transition-fast);
        }
        .btn-link:hover .arrow {
            transform: translateX(4px);
        }
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 0.86rem;
            }
            .featured-highlight {
                grid-template-columns: 1fr;
            }
            .featured-highlight-image {
                min-height: 220px;
                aspect-ratio: 16 / 7;
            }
            .featured-highlight-image::after {
                background: linear-gradient(0deg, rgba(11, 16, 32, 0.85) 0%, transparent 60%);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 62px;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: rgba(11, 16, 32, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: 12px;
            }
            .main-nav a.active::after {
                bottom: 2px;
                left: 16px;
                right: 16px;
            }
            .hamburger {
                display: flex;
            }
            .btn-header-cta {
                display: none;
            }
            .category-header-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-cta {
                width: 100%;
            }
            .category-cta .btn-primary,
            .category-cta .btn-secondary {
                flex: 1;
                justify-content: center;
            }
            .activity-grid {
                grid-template-columns: 1fr;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .cta-panel {
                padding: 36px 24px;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-block-tight {
                padding: 24px 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .legal-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .category-title-group h1 {
                font-size: 1.6rem;
            }
            .activity-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-glass-card .stat-number {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}