/* roulang page: index */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #131A22;
            --bg-card: #111820;
            --bg-input: #0D1117;
            --neon-cyan: #00E5CC;
            --neon-pink: #FF2D78;
            --text-primary: #F5F7FA;
            --text-secondary: #B0BAC6;
            --text-weak: #6B7885;
            --success: #2EE6A8;
            --warning: #FFB020;
            --border-color: #232E3A;
            --border-light: #2A3744;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 22px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.45);
            --shadow-hover: 0 8px 32px rgba(0,229,204,0.18);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.25s ease;
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1280px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--neon-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        :focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 639px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(11, 15, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: auto;
            min-height: 72px;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0,0,0,0.55);
        }
        .nav-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            padding: 12px 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.4rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            fill: var(--neon-cyan);
        }
        .nav-logo span {
            color: var(--neon-cyan);
        }
        .nav-search-wrapper {
            flex: 1;
            min-width: 280px;
            max-width: 520px;
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search {
            width: 100%;
            height: 44px;
            border-radius: var(--radius-input);
            background: var(--bg-input);
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            padding: 0 18px 0 44px;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .nav-search::placeholder {
            color: var(--text-weak);
            font-size: 0.9rem;
        }
        .nav-search:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
        }
        .nav-search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            fill: var(--text-weak);
            pointer-events: none;
        }
        .nav-cta {
            flex-shrink: 0;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.3px;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        .nav-cta:hover {
            background: #00F0FF;
            color: #0B0F14;
            box-shadow: 0 0 20px rgba(0,229,204,0.4);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            background: var(--bg-card);
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .nav-links {
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px 12px;
            padding-top: 4px;
        }
        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 10px;
            border-radius: 6px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--neon-cyan);
            background: rgba(0,229,204,0.08);
        }
        .nav-links a.active {
            color: var(--neon-cyan);
            background: rgba(0,229,204,0.12);
            font-weight: 600;
        }
        @media (min-width: 1024px) {
            .nav-container {
                flex-wrap: nowrap;
                padding: 16px 32px;
                gap: 20px;
            }
            .nav-links {
                width: auto;
                padding-top: 0;
                display: flex;
                gap: 6px;
            }
            .nav-links a {
                font-size: 0.85rem;
                padding: 6px 12px;
            }
        }
        @media (max-width: 1023px) {
            .nav-container {
                padding: 12px 16px;
                gap: 10px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links-wrapper {
                display: none;
                width: 100%;
                order: 10;
                flex-direction: column;
                gap: 8px;
                padding: 12px 0 8px;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
            }
            .nav-links a {
                font-size: 0.95rem;
                padding: 8px 4px;
                width: 100%;
            }
            .nav-search-wrapper {
                order: 5;
                min-width: 100%;
                max-width: 100%;
            }
        }
        @media (max-width: 639px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo svg {
                width: 22px;
                height: 22px;
            }
            .nav-cta {
                font-size: 0.75rem;
                padding: 8px 14px;
            }
            .nav-search {
                height: 40px;
                font-size: 0.85rem;
                padding-left: 40px;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(11,15,20,0.92) 0%, rgba(11,15,20,0.7) 50%, rgba(11,15,20,0.85) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-size: cover;
            background-position: center 30%;
            padding: 80px 0 60px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-primary), transparent);
            pointer-events: none;
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,45,120,0.15);
            color: var(--neon-pink);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255,45,120,0.3);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--neon-pink);
            border-radius: 50%;
            animation: pulse-dot 1.2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }
        .hero h1 {
            font-size: clamp(1.8rem, 4.5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .hero h1 .highlight {
            color: var(--neon-cyan);
            text-shadow: 0 0 24px rgba(0,229,204,0.4);
        }
        .hero h1 .highlight-pink {
            color: var(--neon-pink);
            text-shadow: 0 0 24px rgba(255,45,120,0.4);
        }
        .hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 24px;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.3px;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--neon-cyan);
            color: #0B0F14;
            border-color: var(--neon-cyan);
        }
        .btn-primary:hover {
            background: #00F0FF;
            border-color: #00F0FF;
            color: #0B0F14;
            box-shadow: 0 0 28px rgba(0,229,204,0.45);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border-color: rgba(245,247,250,0.4);
        }
        .btn-outline:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            box-shadow: 0 0 20px rgba(0,229,204,0.2);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.82rem;
            border-radius: 6px;
        }
        .hero-countdown {
            display: flex;
            gap: 12px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 14px 18px;
            text-align: center;
            min-width: 72px;
            box-shadow: var(--shadow-card);
        }
        .countdown-item .num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--neon-cyan);
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }
        .countdown-item .label {
            font-size: 0.75rem;
            color: var(--text-weak);
            letter-spacing: 1px;
            margin-top: 4px;
        }
        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .hero-metric {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-metric .value {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .hero-metric .value span {
            color: var(--neon-cyan);
        }
        .hero-metric .cap {
            font-size: 0.8rem;
            color: var(--text-weak);
        }
        @media (max-width: 639px) {
            .hero {
                min-height: auto;
                padding: 48px 0 40px;
            }
            .hero h1 {
                font-size: 1.7rem;
                letter-spacing: -0.5px;
            }
            .hero-sub {
                font-size: 0.95rem;
            }
            .btn {
                font-size: 0.85rem;
                padding: 12px 20px;
            }
            .countdown-item {
                min-width: 60px;
                padding: 10px 12px;
            }
            .countdown-item .num {
                font-size: 1.5rem;
            }
            .hero-metrics {
                gap: 16px;
                flex-wrap: wrap;
            }
            .hero-metric .value {
                font-size: 1.3rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-padding);
        }
        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .section-header {
            margin-bottom: 40px;
            max-width: 720px;
        }
        .section-header h2 {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.7px;
            line-height: 1.25;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-header h2 .highlight {
            color: var(--neon-cyan);
        }
        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .section-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 639px) {
            .section {
                padding: var(--section-padding-mobile);
            }
            .section-header {
                margin-bottom: 24px;
            }
        }

        /* ========== PAIN POINTS ========== */
        .pain-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .pain-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .pain-text p {
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
            font-size: 1rem;
        }
        .pain-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .pain-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .pain-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0,229,204,0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        @media (max-width: 767px) {
            .pain-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pain-image img {
                aspect-ratio: 16/9;
            }
        }

        /* ========== MEMBERSHIP ========== */
        .membership-grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 32px;
            align-items: start;
        }
        .tier-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .tier-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            cursor: default;
        }
        .tier-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .tier-card .tier-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .tier-icon.bronze {
            background: rgba(205,127,50,0.2);
            color: #CD7F32;
            border: 1px solid rgba(205,127,50,0.4);
        }
        .tier-icon.silver {
            background: rgba(192,192,192,0.15);
            color: #C0C0C0;
            border: 1px solid rgba(192,192,192,0.35);
        }
        .tier-icon.gold {
            background: rgba(255,215,0,0.15);
            color: #FFD700;
            border: 1px solid rgba(255,215,0,0.35);
        }
        .tier-icon.diamond {
            background: rgba(0,229,204,0.15);
            color: var(--neon-cyan);
            border: 1px solid rgba(0,229,204,0.4);
        }
        .tier-card .tier-info {
            flex: 1;
        }
        .tier-card .tier-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .tier-card .tier-price {
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        .tier-card .tier-tag {
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(0,229,204,0.12);
            color: var(--neon-cyan);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .benefit-table-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .benefit-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .benefit-table th,
        .benefit-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        .benefit-table th {
            background: var(--bg-secondary);
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.85rem;
            letter-spacing: 0.5px;
        }
        .benefit-table td {
            color: var(--text-secondary);
        }
        .benefit-table tr:last-child td {
            border-bottom: none;
        }
        .benefit-table .check {
            color: var(--success);
            font-weight: 700;
        }
        .benefit-table .cross {
            color: var(--text-weak);
        }
        .benefit-table .highlight-cell {
            color: var(--neon-cyan);
            font-weight: 600;
        }
        @media (max-width: 767px) {
            .membership-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .tier-card {
                padding: 16px 18px;
                gap: 12px;
            }
            .benefit-table {
                font-size: 0.8rem;
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
            .benefit-table th,
            .benefit-table td {
                padding: 10px 12px;
            }
        }

        /* ========== PRICING ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            transition: all var(--transition);
        }
        .pricing-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 32px rgba(0,229,204,0.2);
        }
        .pricing-card.featured .featured-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 3px 12px;
            border-radius: 12px;
            letter-spacing: 0.5px;
        }
        .pricing-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .pricing-price {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -1px;
        }
        .pricing-price span {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-weak);
        }
        .pricing-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .pricing-features li {
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding-left: 20px;
            position: relative;
        }
        .pricing-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--neon-cyan);
            font-weight: 700;
        }
        .pricing-btn {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            text-align: center;
            border: 2px solid transparent;
        }
        .pricing-btn.primary {
            background: var(--neon-cyan);
            color: #0B0F14;
            border-color: var(--neon-cyan);
        }
        .pricing-btn.primary:hover {
            background: #00F0FF;
            border-color: #00F0FF;
            box-shadow: 0 0 20px rgba(0,229,204,0.4);
        }
        .pricing-btn.outline {
            background: transparent;
            color: var(--text-primary);
            border-color: rgba(245,247,250,0.35);
        }
        .pricing-btn.outline:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
        }
        @media (max-width: 1023px) {
            .pricing-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
        }
        @media (max-width: 767px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .pricing-card {
                padding: 20px 18px;
            }
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .stat-item:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
        }
        .stat-item .stat-num {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--neon-cyan);
            letter-spacing: -1.5px;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }
        .stat-item .stat-num .unit {
            font-size: 1.2rem;
            font-weight: 700;
            margin-left: 2px;
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }
        .stat-item .stat-desc {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        @media (max-width: 1023px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 16px 10px;
            }
            .stat-item .stat-num {
                font-size: 2rem;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr;
            max-width: 820px;
            margin: 0 auto;
            text-align: left;
            position: relative;
            padding: 0 20px;
        }
        .brand-intro::before,
        .brand-intro::after {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 3px;
            height: 48px;
            background: var(--neon-cyan);
            border-radius: 2px;
        }
        .brand-intro::after {
            top: auto;
            bottom: 0;
            background: var(--neon-pink);
        }
        .brand-intro h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .brand-intro p {
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        @media (max-width: 639px) {
            .brand-intro {
                padding: 0 12px;
            }
            .brand-intro h3 {
                font-size: 1.3rem;
            }
            .brand-intro p {
                font-size: 0.95rem;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            align-items: stretch;
        }
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .testimonial-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .testimonial-card.full-width {
            grid-column: span 2;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-cyan), #007a6f);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: #0B0F14;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .testimonial-role {
            font-size: 0.75rem;
            color: var(--text-weak);
        }
        @media (max-width: 767px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .testimonial-card.full-width {
                grid-column: span 1;
            }
            .testimonial-card {
                padding: 18px;
            }
        }

        /* ========== NEWS ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 28px;
            align-items: start;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--text-weak);
            padding-top: 3px;
            min-width: 72px;
            letter-spacing: 0.3px;
            font-weight: 500;
        }
        .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .news-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            line-height: 1.45;
        }
        .news-item:hover .news-title {
            color: var(--neon-cyan);
        }
        .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-readmore {
            font-size: 0.8rem;
            color: var(--neon-cyan);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .news-readmore:hover {
            gap: 8px;
            color: #00F0FF;
        }
        .news-readmore .arrow {
            font-size: 0.9rem;
            transition: transform var(--transition);
        }
        .news-readmore:hover .arrow {
            transform: translateX(3px);
        }
        .news-side {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }
        .news-side h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .news-side-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-side-list a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid var(--border-color);
            transition: color var(--transition);
        }
        .news-side-list a:last-child {
            border-bottom: none;
        }
        .news-side-list a:hover {
            color: var(--neon-cyan);
        }
        .news-kpi {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .news-kpi .kpi-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 0.78rem;
            color: var(--text-secondary);
        }
        .news-kpi .kpi-item strong {
            color: var(--neon-cyan);
            font-weight: 700;
        }
        @media (max-width: 1023px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-side {
                order: -1;
            }
        }
        @media (max-width: 639px) {
            .news-item {
                padding: 12px 14px;
                gap: 10px;
                flex-direction: column;
            }
            .news-date {
                min-width: auto;
                font-size: 0.72rem;
            }
        }

        /* ========== GUIDE PREVIEW ========== */
        .guide-preview {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 32px;
            align-items: start;
        }
        .guide-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
        }
        .guide-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .guide-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .guide-content p {
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 12px;
            font-size: 0.98rem;
        }
        .guide-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }
        .guide-tag {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 14px;
            background: rgba(0,229,204,0.1);
            color: var(--neon-cyan);
            border: 1px solid rgba(0,229,204,0.25);
            letter-spacing: 0.3px;
        }
        @media (max-width: 767px) {
            .guide-preview {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .guide-image img {
                aspect-ratio: 16/9;
            }
        }

        /* ========== SECURITY ========== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .security-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: all var(--transition);
        }
        .security-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
        }
        .security-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0,229,204,0.12);
            border: 1px solid rgba(0,229,204,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }
        .security-icon svg {
            width: 24px;
            height: 24px;
            fill: var(--neon-cyan);
        }
        .security-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .security-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 1023px) {
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 639px) {
            .security-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== BATTLE ZONE ========== */
        .battle-zone {
            background: linear-gradient(135deg, rgba(255,45,120,0.1) 0%, rgba(11,15,20,0.95) 50%, rgba(0,229,204,0.08) 100%);
            border: 1px solid rgba(255,45,120,0.25);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 28px;
            align-items: center;
            box-shadow: var(--shadow-card);
        }
        .battle-zone h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }
        .battle-zone h3 .highlight {
            color: var(--neon-pink);
        }
        .battle-zone p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .battle-zone .battle-gift {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 18px 20px;
            text-align: center;
        }
        .battle-zone .battle-gift .gift-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--neon-pink);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .battle-zone .battle-gift .gift-desc {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        @media (max-width: 767px) {
            .battle-zone {
                grid-template-columns: 1fr;
                gap: 18px;
                padding: 22px 18px;
            }
            .battle-zone h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== CTA / CONVERT ========== */
        .cta-section {
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 64px 0;
        }
        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-inner h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .cta-inner h2 .highlight {
            color: var(--neon-cyan);
        }
        .cta-inner p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-bottom: 24px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            height: 48px;
            border-radius: var(--radius-btn);
            background: var(--bg-input);
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            padding: 0 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input::placeholder {
            color: var(--text-weak);
        }
        .subscribe-form input:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
        }
        .subscribe-form .btn-primary {
            height: 48px;
            padding: 0 22px;
            flex-shrink: 0;
        }
        .form-note {
            font-size: 0.75rem;
            color: var(--text-weak);
            margin-top: 8px;
            letter-spacing: 0.3px;
        }
        @media (max-width: 639px) {
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
                flex: none;
            }
            .subscribe-form .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0,229,204,0.4);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            letter-spacing: 0.3px;
            background: none;
            cursor: pointer;
            text-align: left;
            min-height: 50px;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--neon-cyan);
        }
        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .faq-question .faq-toggle svg {
            width: 14px;
            height: 14px;
            fill: var(--text-secondary);
            transition: transform var(--transition);
        }
        .faq-item.active .faq-question {
            color: var(--neon-cyan);
        }
        .faq-item.active .faq-toggle {
            border-color: var(--neon-cyan);
            background: rgba(0,229,204,0.12);
        }
        .faq-item.active .faq-toggle svg {
            fill: var(--neon-cyan);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 180px;
            padding: 0 20px 16px;
        }
        @media (max-width: 639px) {
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
                gap: 10px;
            }
            .faq-answer {
                font-size: 0.85rem;
            }
        }

        /* ========== CATEGORY ENTRY CARDS ========== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }
        .category-entry {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }
        .category-entry:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .category-entry:hover .category-entry-img img {
            transform: scale(1.06);
        }
        .category-entry-img {
            overflow: hidden;
            aspect-ratio: 16/9;
            position: relative;
        }
        .category-entry-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .category-entry-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11,15,20,0.8) 0%, transparent 50%);
            pointer-events: none;
        }
        .category-entry-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .category-entry-num {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--neon-cyan);
            letter-spacing: 1px;
        }
        .category-entry-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .category-entry:hover .category-entry-title {
            color: var(--neon-cyan);
        }
        .category-entry-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .category-entry-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--neon-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 4px;
        }
        .category-entry-link .arrow {
            transition: transform var(--transition);
        }
        .category-entry:hover .category-entry-link .arrow {
            transform: translateX(4px);
        }
        .category-entry.span-6 {
            grid-column: span 6;
        }
        .category-entry.span-4 {
            grid-column: span 4;
        }
        .category-entry.span-8 {
            grid-column: span 8;
        }
        .category-entry.span-12 {
            grid-column: span 12;
        }
        @media (max-width: 1023px) {
            .category-entry.span-6,
            .category-entry.span-4,
            .category-entry.span-8 {
                grid-column: span 6;
            }
            .category-entry.span-12 {
                grid-column: span 12;
            }
        }
        @media (max-width: 639px) {
            .category-entry.span-6,
            .category-entry.span-4,
            .category-entry.span-8,
            .category-entry.span-12 {
                grid-column: span 12;
            }
            .category-entry-body {
                padding: 14px 16px;
            }
        }

        /* ========== VERTICAL CARDS ========== */
        .vertical-card-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .vertical-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .vertical-card:hover {
            border-color: var(--neon-pink);
            box-shadow: 0 8px 32px rgba(255,45,120,0.15);
            transform: translateY(-3px);
        }
        .vertical-card-img {
            aspect-ratio: 3/4;
            overflow: hidden;
            position: relative;
        }
        .vertical-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .vertical-card:hover .vertical-card-img img {
            transform: scale(1.05);
        }
        .vertical-card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .vertical-card-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .vertical-card-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .vertical-card-cta {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--neon-pink);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 4px;
        }
        @media (max-width: 1023px) {
            .vertical-card-list {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
        }
        @media (max-width: 639px) {
            .vertical-card-list {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0E15;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr 0.7fr 0.9fr;
            gap: 28px;
            margin-bottom: 28px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .footer-brand .footer-logo svg {
            width: 24px;
            height: 24px;
            fill: var(--neon-cyan);
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--neon-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-weak);
        }
        .footer-bottom .legal {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 12px;
            align-items: center;
        }
        .footer-bottom .legal a {
            color: var(--text-weak);
            font-size: 0.75rem;
            transition: color var(--transition);
        }
        .footer-bottom .legal a:hover {
            color: var(--neon-cyan);
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }

        /* ========== DECORATIONS ========== */
        .speed-lines {
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 100%;
            pointer-events: none;
            opacity: 0.3;
            z-index: 1;
        }
        .speed-line {
            position: absolute;
            width: 2px;
            height: 60px;
            background: linear-gradient(to bottom, transparent, var(--neon-cyan), transparent);
            border-radius: 1px;
            transform: rotate(-15deg);
        }
        .speed-line:nth-child(1) { right: 20px; top: 10%; height: 50px; }
        .speed-line:nth-child(2) { right: 45px; top: 25%; height: 80px; }
        .speed-line:nth-child(3) { right: 70px; top: 45%; height: 40px; }
        .speed-line:nth-child(4) { right: 30px; top: 65%; height: 70px; }
        .speed-line:nth-child(5) { right: 60px; top: 80%; height: 55px; }
        @media (max-width: 639px) {
            .speed-lines {
                display: none;
            }
        }
        .dot-grid-decor {
            position: absolute;
            left: 0;
            top: 0;
            width: 120px;
            height: 120px;
            background-image: radial-gradient(circle, rgba(0,229,204,0.3) 1px, transparent 1px);
            background-size: 12px 12px;
            pointer-events: none;
            z-index: 0;
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #131A22;
            --bg-card: #111820;
            --bg-input: #0D1117;
            --neon-cyan: #00E5CC;
            --neon-pink: #FF2D78;
            --text-primary: #F5F7FA;
            --text-secondary: #B0BAC6;
            --text-weak: #6B7885;
            --success: #2EE6A8;
            --warning: #FFB020;
            --border-color: #232E3A;
            --border-light: #2A3744;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 22px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.45);
            --shadow-hover: 0 8px 32px rgba(0,229,204,0.18);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.25s ease;
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1280px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            box-sizing: border-box;
        }
        *, *::before, *::after {
            box-sizing: inherit;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--neon-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            margin: 0;
        }
        button {
            cursor: pointer;
            background: none;
            padding: 0;
        }
        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 0.5em;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }
        p {
            margin: 0 0 1em;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(11, 15, 20, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            min-height: 72px;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0,0,0,0.55);
        }
        .nav-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            padding: 12px 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.4rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            fill: var(--neon-cyan);
        }
        .nav-logo span {
            color: var(--neon-cyan);
        }
        .nav-search-wrapper {
            flex: 1;
            min-width: 240px;
            max-width: 520px;
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search {
            width: 100%;
            height: 44px;
            border-radius: var(--radius-input);
            background: var(--bg-input);
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            padding: 0 18px 0 44px;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .nav-search::placeholder {
            color: var(--text-weak);
            font-size: 0.9rem;
        }
        .nav-search:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
        }
        .nav-search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            fill: var(--text-weak);
            pointer-events: none;
        }
        .nav-cta {
            flex-shrink: 0;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.3px;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        .nav-cta:hover {
            background: #00F0FF;
            color: #0B0F14;
            box-shadow: 0 0 20px rgba(0,229,204,0.4);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            background: var(--bg-card);
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .nav-links-wrapper {
            flex-basis: 100%;
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 20px;
            padding: 8px 0 0;
        }
        .nav-links a {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-cyan);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        @media (max-width: 1024px) {
            .nav-container {
                gap: 10px 16px;
            }
            .nav-search-wrapper {
                min-width: 200px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .nav-links {
                gap: 4px 14px;
            }
            .nav-links a {
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .nav-search-wrapper {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
                min-width: 100%;
            }
            .nav-cta {
                display: none;
            }
            .nav-links-wrapper {
                display: none;
                flex-basis: 100%;
                order: 4;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                padding: 8px 0;
                gap: 4px;
            }
            .nav-links a {
                padding: 10px 0;
                font-size: 1rem;
                border-bottom: 1px solid var(--border-color);
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-links a::after {
                display: none;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--neon-cyan);
        }
        .breadcrumb .sep {
            color: var(--text-weak);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--neon-cyan);
            font-weight: 600;
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(135deg, rgba(11,15,20,0.82) 0%, rgba(11,15,20,0.55) 55%, rgba(255,45,120,0.18) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(0,229,204,0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 64px 0;
            max-width: 760px;
        }
        .hero-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.4px;
            background: rgba(255,45,120,0.14);
            border: 1px solid rgba(255,45,120,0.45);
            color: var(--neon-pink);
        }
        .hero-badge.cyan {
            background: rgba(0,229,204,0.12);
            border-color: rgba(0,229,204,0.45);
            color: var(--neon-cyan);
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.15;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .page-hero h1 .highlight {
            color: var(--neon-cyan);
        }
        .page-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background: #00F0FF;
            color: #0B0F14;
            box-shadow: 0 0 28px rgba(0,229,204,0.45);
            transform: translateY(-2px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            transition: border-color var(--transition), color var(--transition), background var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            background: rgba(0,229,204,0.06);
        }
        @media (max-width: 768px) {
            .page-hero {
                min-height: 360px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .hero-sub {
                font-size: 1rem;
            }
            .hero-content {
                padding: 48px 0;
            }
        }
        @media (max-width: 480px) {
            .page-hero h1 {
                font-size: 26px;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-padding);
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-lead {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--neon-pink);
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 24px;
            }
        }

        /* ========== EVENT CALENDAR ========== */
        .calendar-section {
            background: var(--bg-primary);
        }
        .calendar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .calendar-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        .calendar-item:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .calendar-date {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            background: var(--bg-input);
            border-radius: 10px;
            padding: 10px 6px;
            border: 1px solid var(--border-color);
        }
        .calendar-date .month {
            display: block;
            font-size: 0.75rem;
            color: var(--text-weak);
            font-weight: 600;
        }
        .calendar-date .day {
            display: block;
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--neon-cyan);
            line-height: 1.2;
        }
        .calendar-info {
            flex: 1;
            min-width: 0;
        }
        .calendar-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .calendar-info .event-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-bottom: 6px;
        }
        .calendar-info .event-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .calendar-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .calendar-status {
            flex-shrink: 0;
            align-self: center;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .calendar-status.upcoming {
            background: rgba(0,229,204,0.12);
            color: var(--neon-cyan);
            border: 1px solid rgba(0,229,204,0.35);
        }
        .calendar-status.live {
            background: rgba(255,45,120,0.14);
            color: var(--neon-pink);
            border: 1px solid rgba(255,45,120,0.4);
        }
        .calendar-status.ended {
            background: rgba(107,120,133,0.14);
            color: var(--text-weak);
            border: 1px solid var(--border-color);
        }
        .pagination-hint {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .pagination-hint button {
            padding: 8px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 600;
            transition: border-color var(--transition), color var(--transition);
        }
        .pagination-hint button:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
        }
        .pagination-hint .page-info {
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        @media (max-width: 640px) {
            .calendar-item {
                flex-direction: column;
                gap: 12px;
                padding: 14px;
            }
            .calendar-date {
                width: 100%;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 6px;
                padding: 8px;
            }
            .calendar-date .day {
                font-size: 1.1rem;
            }
            .calendar-info h3 {
                font-size: 0.98rem;
            }
            .calendar-status {
                align-self: flex-start;
            }
        }

        /* ========== RECAP CARDS ========== */
        .recap-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .recap-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .recap-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .recap-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .recap-card .card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .recap-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .recap-card:hover .card-img img {
            transform: scale(1.06);
        }
        .recap-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11,15,20,0.75) 100%);
        }
        .recap-card .card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .recap-card .recap-date {
            font-size: 0.75rem;
            color: var(--text-weak);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .recap-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .recap-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--neon-cyan);
            transition: gap var(--transition), color var(--transition);
            align-self: flex-start;
        }
        .text-link:hover {
            color: #00F0FF;
            gap: 10px;
        }
        @media (max-width: 1024px) {
            .recap-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .recap-grid {
                grid-template-columns: 1fr;
            }
            .recap-card .card-img {
                height: 200px;
            }
        }

        /* ========== DEEP CONTENT ========== */
        .deep-section {
            background: var(--bg-primary);
        }
        .deep-content {
            max-width: 820px;
            margin: 0 auto;
        }
        .deep-content h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .deep-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-top: 24px;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .deep-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-content .highlight-text {
            color: var(--neon-cyan);
            font-weight: 600;
        }
        .deep-content blockquote {
            margin: 20px 0;
            padding: 16px 20px;
            background: var(--bg-card);
            border-left: 3px solid var(--neon-cyan);
            border-radius: 0 8px 8px 0;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .deep-content h2 {
                font-size: 22px;
            }
            .deep-content p {
                font-size: 0.95rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.open {
            border-color: var(--neon-cyan);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 16px 20px;
            text-align: left;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--neon-cyan);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition), border-color var(--transition);
            font-size: 1.1rem;
            color: var(--neon-cyan);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--neon-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #0B0F14 0%, #131A22 60%, rgba(255,45,120,0.08) 100%);
            border-top: 1px solid var(--border-color);
        }
        .cta-box {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-box h2 {
            font-size: 30px;
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .cta-box h2 .highlight {
            color: var(--neon-cyan);
        }
        .cta-box p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.75;
            margin-bottom: 24px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
        }
        .subscribe-form input {
            flex: 1;
            height: 48px;
            border-radius: var(--radius-btn);
            background: var(--bg-input);
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            padding: 0 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input::placeholder {
            color: var(--text-weak);
        }
        .subscribe-form input:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
        }
        .subscribe-form button {
            height: 48px;
            padding: 0 24px;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .subscribe-form button:hover {
            background: #00F0FF;
            box-shadow: 0 0 24px rgba(0,229,204,0.4);
        }
        @media (max-width: 640px) {
            .cta-box h2 {
                font-size: 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form button {
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0E15;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-logo svg {
            width: 24px;
            height: 24px;
            fill: var(--neon-cyan);
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--neon-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px 20px;
            font-size: 0.78rem;
            color: var(--text-weak);
        }
        .footer-bottom .legal {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom .legal span {
            color: var(--text-weak);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* focus accessible */
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root {
        --bg-primary: #0B0F14;
        --bg-secondary: #131A22;
        --bg-card: #111820;
        --bg-input: #0D1117;
        --neon-cyan: #00E5CC;
        --neon-pink: #FF2D78;
        --text-primary: #F5F7FA;
        --text-secondary: #B0BAC6;
        --text-weak: #6B7885;
        --success: #2EE6A8;
        --warning: #FFB020;
        --border-color: #232E3A;
        --border-light: #2A3744;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-input: 22px;
        --shadow-card: 0 4px 20px rgba(0,0,0,0.45);
        --shadow-hover: 0 8px 32px rgba(0,229,204,0.18);
        --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --transition: 0.25s ease;
        --section-padding: 80px 0;
        --section-padding-mobile: 48px 0;
        --container-max: 1280px;
    }

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

    body {
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-primary);
        background-color: var(--bg-primary);
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    a {
        color: var(--text-primary);
        text-decoration: none;
        transition: color var(--transition);
    }
    a:hover {
        color: var(--neon-cyan);
    }

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

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

    button {
        cursor: pointer;
        background: none;
    }

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

    ::selection {
        background: rgba(0,229,204,0.3);
        color: #fff;
    }

    /* ========== NAVIGATION ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 999;
        background: rgba(11, 15, 20, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-color);
        min-height: 72px;
        transition: box-shadow var(--transition);
    }
    .site-header.scrolled {
        box-shadow: 0 4px 24px rgba(0,0,0,0.55);
    }
    .nav-container {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px 24px;
        padding: 12px 24px;
        max-width: var(--container-max);
        margin: 0 auto;
    }
    .nav-logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 1.4rem;
        font-weight: 900;
        letter-spacing: -0.5px;
        color: var(--text-primary);
        white-space: nowrap;
    }
    .nav-logo svg {
        width: 28px;
        height: 28px;
        flex-shrink: 0;
        fill: var(--neon-cyan);
    }
    .nav-logo span {
        color: var(--neon-cyan);
    }
    .nav-search-wrapper {
        flex: 1;
        min-width: 280px;
        max-width: 520px;
        position: relative;
        display: flex;
        align-items: center;
    }
    .nav-search {
        width: 100%;
        height: 44px;
        border-radius: var(--radius-input);
        background: var(--bg-input);
        border: 1px solid var(--border-light);
        color: var(--text-primary);
        padding: 0 18px 0 44px;
        font-size: 0.95rem;
        transition: border-color var(--transition), box-shadow var(--transition);
    }
    .nav-search::placeholder {
        color: var(--text-weak);
        font-size: 0.9rem;
    }
    .nav-search:focus {
        border-color: var(--neon-cyan);
        box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
    }
    .nav-search-icon {
        position: absolute;
        left: 14px;
        top: 50%;
        transform: translateY(-50%);
        width: 18px;
        height: 18px;
        fill: var(--text-weak);
        pointer-events: none;
    }
    .nav-cta {
        flex-shrink: 0;
        background: var(--neon-cyan);
        color: #0B0F14;
        font-weight: 700;
        font-size: 0.85rem;
        padding: 10px 20px;
        border-radius: var(--radius-btn);
        letter-spacing: 0.3px;
        transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    .nav-cta:hover {
        background: #00F0FF;
        color: #0B0F14;
        box-shadow: 0 0 20px rgba(0,229,204,0.4);
        transform: translateY(-1px);
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--border-light);
        border-radius: 8px;
        background: var(--bg-card);
        flex-shrink: 0;
    }
    .nav-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all var(--transition);
    }
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    .nav-links-wrapper {
        flex-basis: 100%;
        order: 10;
    }
    .nav-links {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        align-items: center;
        padding-top: 4px;
    }
    .nav-links a {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--text-secondary);
        padding: 6px 14px;
        border-radius: 20px;
        transition: all var(--transition);
        position: relative;
    }
    .nav-links a:hover {
        color: var(--neon-cyan);
    }
    .nav-links a.active {
        color: var(--neon-cyan);
        background: rgba(0,229,204,0.1);
    }
    .nav-links a.active::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 50%;
        transform: translateX(-50%);
        width: 16px;
        height: 2px;
        background: var(--neon-cyan);
        border-radius: 2px;
    }

    /* ========== BREADCRUMB ========== */
    .breadcrumb-bar {
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: 12px 0;
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: var(--text-weak);
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: var(--text-secondary);
    }
    .breadcrumb a:hover {
        color: var(--neon-cyan);
    }
    .breadcrumb .sep {
        color: var(--text-weak);
    }
    .breadcrumb .current {
        color: var(--neon-cyan);
        font-weight: 600;
    }

    /* ========== GEAR HERO ========== */
    .gear-hero {
        position: relative;
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        padding: 72px 0 72px;
        overflow: hidden;
    }
    .gear-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(11,15,20,0.86) 0%, rgba(11,15,20,0.72) 45%, rgba(11,15,20,0.5) 100%);
        z-index: 1;
    }
    .gear-hero::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-pink), transparent);
        z-index: 2;
    }
    .gear-hero .container {
        position: relative;
        z-index: 3;
    }
    .gear-hero h1 {
        font-size: 2.5rem;
        font-weight: 900;
        letter-spacing: -1px;
        margin-bottom: 12px;
        color: #fff;
        line-height: 1.2;
    }
    .gear-hero h1 .highlight {
        color: var(--neon-cyan);
    }
    .gear-hero .hero-desc {
        font-size: 1.05rem;
        color: var(--text-secondary);
        max-width: 640px;
        line-height: 1.8;
        margin-bottom: 20px;
    }
    .gear-hero .hero-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .btn-primary {
        background: var(--neon-cyan);
        color: #0B0F14;
        font-weight: 700;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.95rem;
        letter-spacing: 0.3px;
        transition: all var(--transition);
        border: 2px solid transparent;
    }
    .btn-primary:hover {
        background: #00F0FF;
        color: #0B0F14;
        box-shadow: 0 0 24px rgba(0,229,204,0.45);
        transform: translateY(-2px);
    }
    .btn-secondary {
        background: transparent;
        color: var(--text-primary);
        font-weight: 600;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.95rem;
        letter-spacing: 0.3px;
        transition: all var(--transition);
        border: 2px solid var(--border-light);
    }
    .btn-secondary:hover {
        border-color: var(--neon-cyan);
        color: var(--neon-cyan);
        transform: translateY(-2px);
    }
    .gear-hero .hero-stats {
        display: flex;
        gap: 32px;
        margin-top: 28px;
        flex-wrap: wrap;
    }
    .gear-hero .hero-stat {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .gear-hero .hero-stat .num {
        font-size: 1.6rem;
        font-weight: 900;
        color: var(--neon-cyan);
        line-height: 1.2;
    }
    .gear-hero .hero-stat .label {
        font-size: 0.8rem;
        color: var(--text-weak);
    }
    .gear-hero .series-nav {
        display: flex;
        gap: 8px;
        margin-top: 28px;
        flex-wrap: wrap;
    }
    .gear-hero .series-nav span {
        font-size: 0.75rem;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 20px;
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,255,255,0.1);
        color: var(--text-secondary);
        letter-spacing: 0.3px;
    }
    .gear-hero .series-nav span.active {
        background: rgba(0,229,204,0.15);
        border-color: rgba(0,229,204,0.5);
        color: var(--neon-cyan);
    }

    /* ========== FILTER BAR ========== */
    .filter-bar {
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: 16px 0;
        position: sticky;
        top: 72px;
        z-index: 100;
    }
    .filter-bar .container {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    .filter-tags {
        display: flex;
        gap: 6px;
        flex-wrap: wrap;
        flex: 1;
        min-width: 200px;
    }
    .filter-tag {
        padding: 6px 16px;
        border-radius: 20px;
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--text-secondary);
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        cursor: pointer;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .filter-tag:hover {
        border-color: var(--text-weak);
        color: var(--text-primary);
    }
    .filter-tag.active {
        background: rgba(0,229,204,0.12);
        border-color: var(--neon-cyan);
        color: var(--neon-cyan);
    }
    .sort-select-wrapper {
        position: relative;
        flex-shrink: 0;
    }
    .sort-select {
        appearance: none;
        -webkit-appearance: none;
        background: var(--bg-card);
        border: 1px solid var(--border-light);
        border-radius: 8px;
        color: var(--text-primary);
        font-size: 0.85rem;
        padding: 8px 36px 8px 16px;
        cursor: pointer;
        min-width: 140px;
        transition: all var(--transition);
    }
    .sort-select:hover {
        border-color: var(--text-weak);
    }
    .sort-select:focus {
        border-color: var(--neon-cyan);
        box-shadow: 0 0 0 3px rgba(0,229,204,0.2);
    }
    .sort-select-wrapper::after {
        content: '▾';
        position: absolute;
        right: 14px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-weak);
        pointer-events: none;
        font-size: 0.7rem;
    }

    /* ========== GEAR GRID ========== */
    .gear-section {
        padding: var(--section-padding);
        background: var(--bg-primary);
    }
    .section-header {
        margin-bottom: 36px;
    }
    .section-header h2 {
        font-size: 1.8rem;
        font-weight: 900;
        letter-spacing: -0.5px;
        margin-bottom: 8px;
        color: #fff;
    }
    .section-header p {
        color: var(--text-secondary);
        font-size: 0.95rem;
        max-width: 560px;
        line-height: 1.7;
    }
    .gear-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .gear-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }
    .gear-card:hover {
        transform: translateY(-4px);
        border-color: rgba(0,229,204,0.5);
        box-shadow: var(--shadow-hover);
    }
    .gear-card .card-img {
        position: relative;
        aspect-ratio: 16/9;
        overflow: hidden;
    }
    .gear-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition);
    }
    .gear-card:hover .card-img img {
        transform: scale(1.05);
    }
    .gear-card .card-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: rgba(11,15,20,0.85);
        backdrop-filter: blur(4px);
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 0.72rem;
        font-weight: 700;
        color: var(--neon-cyan);
        border: 1px solid rgba(0,229,204,0.3);
        letter-spacing: 0.5px;
    }
    .gear-card .card-rating {
        position: absolute;
        top: 12px;
        right: 12px;
        background: rgba(255,45,120,0.9);
        color: #fff;
        font-weight: 900;
        font-size: 0.9rem;
        padding: 4px 10px;
        border-radius: 8px;
        line-height: 1.2;
        letter-spacing: 0.3px;
    }
    .gear-card .card-body {
        padding: 16px 18px 18px;
        display: flex;
        flex-direction: column;
        gap: 6px;
        flex: 1;
    }
    .gear-card .card-title {
        font-size: 1.05rem;
        font-weight: 800;
        color: #fff;
        letter-spacing: -0.2px;
        line-height: 1.3;
    }
    .gear-card .card-subtitle {
        font-size: 0.82rem;
        color: var(--text-weak);
        font-weight: 500;
    }
    .gear-card .card-desc {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.65;
        flex: 1;
    }
    .gear-card .card-tags {
        display: flex;
        gap: 6px;
        flex-wrap: wrap;
        margin-top: 8px;
    }
    .gear-card .card-tags span {
        font-size: 0.7rem;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: 4px;
        background: rgba(255,255,255,0.05);
        color: var(--text-secondary);
        border: 1px solid var(--border-color);
    }
    .gear-card .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.82rem;
        font-weight: 700;
        color: var(--neon-cyan);
        margin-top: 10px;
        transition: gap var(--transition);
    }
    .gear-card .card-link:hover {
        gap: 10px;
    }

    /* ========== BUYING GUIDE ========== */
    .guide-section {
        background: var(--bg-secondary);
        padding: var(--section-padding);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .guide-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }
    .guide-content h2 {
        font-size: 1.7rem;
        font-weight: 900;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
    }
    .guide-content p {
        color: var(--text-secondary);
        font-size: 0.95rem;
        line-height: 1.85;
        margin-bottom: 12px;
    }
    .guide-content .guide-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .guide-content .guide-list li {
        padding: 10px 0;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        align-items: flex-start;
        gap: 12px;
        color: var(--text-secondary);
        font-size: 0.9rem;
        line-height: 1.6;
    }
    .guide-content .guide-list li:last-child {
        border-bottom: none;
    }
    .guide-content .guide-list li .icon {
        flex-shrink: 0;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background: rgba(0,229,204,0.18);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.7rem;
        color: var(--neon-cyan);
        font-weight: 900;
        margin-top: 4px;
    }
    .guide-image {
        position: relative;
        border-radius: var(--radius-card);
        overflow: hidden;
        border: 1px solid var(--border-color);
    }
    .guide-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        aspect-ratio: 4/3;
    }
    .guide-image::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 60%, rgba(11,15,20,0.7) 100%);
        pointer-events: none;
    }
    .guide-image .img-label {
        position: absolute;
        bottom: 16px;
        left: 16px;
        z-index: 2;
        color: #fff;
        font-weight: 700;
        font-size: 0.9rem;
        letter-spacing: 0.5px;
    }

    /* ========== RANKING ========== */
    .ranking-section {
        padding: var(--section-padding);
        background: var(--bg-primary);
    }
    .ranking-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .rank-item {
        display: flex;
        align-items: center;
        gap: 16px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-card);
        padding: 14px 18px;
        transition: all var(--transition);
    }
    .rank-item:hover {
        border-color: rgba(0,229,204,0.4);
        box-shadow: var(--shadow-hover);
    }
    .rank-item .rank-num {
        font-size: 1.6rem;
        font-weight: 900;
        color: var(--text-weak);
        width: 40px;
        text-align: center;
        flex-shrink: 0;
    }
    .rank-item:nth-child(1) .rank-num,
    .rank-item:nth-child(2) .rank-num {
        color: var(--neon-cyan);
    }
    .rank-item:nth-child(3) .rank-num {
        color: var(--warning);
    }
    .rank-item .rank-info {
        flex: 1;
    }
    .rank-item .rank-name {
        font-weight: 700;
        font-size: 0.92rem;
        color: #fff;
    }
    .rank-item .rank-meta {
        font-size: 0.78rem;
        color: var(--text-weak);
    }
    .rank-item .rank-score {
        font-weight: 900;
        font-size: 1.1rem;
        color: var(--neon-cyan);
        flex-shrink: 0;
    }

    /* ========== FAQ ========== */
    .faq-section {
        background: var(--bg-secondary);
        padding: var(--section-padding);
        border-top: 1px solid var(--border-color);
    }
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 10px;
        margin-bottom: 10px;
        overflow: hidden;
        transition: border-color var(--transition);
    }
    .faq-item:hover {
        border-color: rgba(0,229,204,0.3);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 14px 20px;
        cursor: pointer;
        font-weight: 700;
        font-size: 0.95rem;
        color: var(--text-primary);
        transition: color var(--transition);
        user-select: none;
    }
    .faq-question:hover {
        color: var(--neon-cyan);
    }
    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 22px;
        height: 22px;
        transition: transform var(--transition);
        color: var(--text-weak);
    }
    .faq-item.open .faq-question .faq-icon {
        transform: rotate(180deg);
        color: var(--neon-cyan);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        padding: 0 20px;
        color: var(--text-secondary);
        font-size: 0.9rem;
        line-height: 1.75;
    }
    .faq-item.open .faq-answer {
        max-height: 300px;
        padding: 0 20px 16px;
    }

    /* ========== CTA ========== */
    .cta-section {
        background: var(--bg-primary);
        padding: var(--section-padding);
    }
    .cta-box {
        background: linear-gradient(135deg, rgba(0,229,204,0.08) 0%, rgba(255,45,120,0.06) 50%, rgba(11,15,20,0.9) 100%);
        border: 1px solid rgba(0,229,204,0.25);
        border-radius: 16px;
        padding: 48px 40px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-box::before {
        content: '';
        position: absolute;
        top: -60%;
        right: -10%;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(0,229,204,0.1) 0%, transparent 70%);
        pointer-events: none;
    }
    .cta-box h2 {
        font-size: 1.8rem;
        font-weight: 900;
        letter-spacing: -0.5px;
        margin-bottom: 10px;
        position: relative;
        z-index: 1;
    }
    .cta-box p {
        color: var(--text-secondary);
        font-size: 0.95rem;
        max-width: 560px;
        margin: 0 auto 20px;
        line-height: 1.7;
        position: relative;
        z-index: 1;
    }
    .cta-box .cta-actions {
        display: flex;
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }
    .cta-form {
        display: flex;
        gap: 8px;
        max-width: 480px;
        margin: 20px auto 0;
        position: relative;
        z-index: 1;
        flex-wrap: wrap;
    }
    .cta-form input {
        flex: 1;
        min-width: 200px;
        height: 46px;
        border-radius: var(--radius-btn);
        background: var(--bg-input);
        border: 1px solid var(--border-light);
        color: var(--text-primary);
        padding: 0 16px;
        font-size: 0.9rem;
        transition: border-color var(--transition), box-shadow var(--transition);
    }
    .cta-form input::placeholder {
        color: var(--text-weak);
    }
    .cta-form input:focus {
        border-color: var(--neon-cyan);
        box-shadow: 0 0 0 3px rgba(0,229,204,0.2);
    }
    .cta-form .btn-primary {
        height: 46px;
        padding: 0 24px;
        white-space: nowrap;
    }

    /* ========== PAGINATION ========== */
    .pagination-section {
        background: var(--bg-primary);
        padding: 0 0 60px;
    }
    .pagination {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        flex-wrap: wrap;
    }
    .pagination .page-btn {
        min-width: 36px;
        height: 36px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-secondary);
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        cursor: pointer;
        transition: all var(--transition);
    }
    .pagination .page-btn:hover {
        border-color: var(--text-weak);
        color: var(--text-primary);
    }
    .pagination .page-btn.active {
        background: var(--neon-cyan);
        color: #0B0F14;
        border-color: var(--neon-cyan);
        font-weight: 800;
    }
    .pagination .page-btn.disabled {
        opacity: 0.4;
        cursor: not-allowed;
        pointer-events: none;
    }
    .pagination .page-info {
        font-size: 0.8rem;
        color: var(--text-weak);
        margin: 0 8px;
    }

    /* ========== FOOTER ========== */
    .site-footer {
        background: #0A0E15;
        border-top: 1px solid #1E2833;
        padding: 48px 0 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    .footer-brand p {
        font-size: 0.85rem;
        color: var(--text-secondary);
        max-width: 320px;
        line-height: 1.7;
        margin-top: 12px;
    }
    .footer-logo {
        font-size: 1.2rem;
        font-weight: 900;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-logo svg {
        width: 22px;
        height: 22px;
        fill: var(--neon-cyan);
    }
    .footer-col h5 {
        font-size: 0.85rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li {
        margin-bottom: 6px;
    }
    .footer-col ul li a {
        font-size: 0.82rem;
        color: var(--text-weak);
        transition: color var(--transition);
    }
    .footer-col ul li a:hover {
        color: var(--neon-cyan);
    }
    .footer-bottom {
        border-top: 1px solid #1E2833;
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.78rem;
        color: var(--text-weak);
    }
    .footer-bottom .legal {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1023px) {
        .gear-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .guide-layout {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .ranking-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .gear-hero h1 {
            font-size: 2rem;
        }
    }

    @media (max-width: 639px) {
        .nav-container {
            padding: 10px 16px;
            gap: 10px;
        }
        .nav-toggle {
            display: flex;
        }
        .nav-search-wrapper {
            order: 3;
            flex-basis: 100%;
            max-width: 100%;
        }
        .nav-cta {
            display: none;
        }
        .nav-links-wrapper {
            display: none;
            flex-basis: 100%;
        }
        .nav-links-wrapper.open {
            display: block;
        }
        .nav-links {
            flex-direction: column;
            align-items: stretch;
            gap: 2px;
            padding-top: 8px;
        }
        .nav-links a {
            padding: 10px 16px;
            border-radius: 8px;
            font-size: 0.9rem;
        }
        .gear-hero {
            padding: 48px 0 48px;
        }
        .gear-hero h1 {
            font-size: 1.7rem;
        }
        .gear-hero .hero-desc {
            font-size: 0.9rem;
        }
        .gear-hero .hero-stats {
            gap: 16px;
        }
        .gear-hero .hero-stat .num {
            font-size: 1.2rem;
        }
        .gear-grid {
            grid-template-columns: 1fr;
        }
        .filter-bar {
            top: 60px;
        }
        .filter-bar .container {
            gap: 10px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
        .cta-box {
            padding: 32px 20px;
        }
        .cta-box h2 {
            font-size: 1.4rem;
        }
        .cta-form {
            flex-direction: column;
        }
        .cta-form input {
            width: 100%;
        }
        .section-header h2 {
            font-size: 1.4rem;
        }
        .guide-content h2 {
            font-size: 1.4rem;
        }
        .pagination-section {
            padding-bottom: 40px;
        }
    }

    @media (min-width: 640px) and (max-width: 1023px) {
        .nav-links-wrapper {
            flex-basis: 100%;
            order: 10;
        }
        .nav-toggle {
            display: none;
        }
    }

    @media (min-width: 1024px) {
        .nav-toggle {
            display: none;
        }
        .nav-links-wrapper {
            flex-basis: auto;
            order: 0;
            flex: 1;
            display: flex;
            justify-content: flex-end;
        }
        .nav-links {
            padding-top: 0;
        }
    }

/* roulang page: category3 */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #131A22;
            --bg-card: #111820;
            --bg-input: #0D1117;
            --neon-cyan: #00E5CC;
            --neon-pink: #FF2D78;
            --text-primary: #F5F7FA;
            --text-secondary: #B0BAC6;
            --text-weak: #6B7885;
            --success: #2EE6A8;
            --warning: #FFB020;
            --border-color: #232E3A;
            --border-light: #2A3744;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 22px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 8px 32px rgba(0, 229, 204, 0.18);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.25s ease;
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1280px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
            background: none;
        }

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

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(11, 15, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: auto;
            min-height: 72px;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.55);
        }

        .nav-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            padding: 10px 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            fill: var(--neon-cyan);
        }

        .nav-logo span {
            color: var(--neon-cyan);
        }

        .nav-search-wrapper {
            flex: 1;
            min-width: 260px;
            max-width: 480px;
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search {
            width: 100%;
            height: 42px;
            border-radius: var(--radius-input);
            background: var(--bg-input);
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            padding: 0 18px 0 44px;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .nav-search::placeholder {
            color: var(--text-weak);
            font-size: 0.9rem;
        }

        .nav-search:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 3px rgba(0, 229, 204, 0.25);
        }

        .nav-search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            fill: var(--text-weak);
            pointer-events: none;
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.3px;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            display: inline-block;
        }

        .nav-cta:hover {
            background: #00F0FF;
            color: #0B0F14;
            box-shadow: 0 0 20px rgba(0, 229, 204, 0.4);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            background: var(--bg-card);
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

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

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .nav-links-wrapper {
            flex-basis: 100%;
            display: flex;
            justify-content: center;
        }

        .nav-links {
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 600;
            color: #E0E6ED;
            transition: color var(--transition);
            position: relative;
            padding: 4px 0;
        }

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

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

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

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

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

        @media (max-width: 900px) {
            .nav-toggle {
                display: flex;
            }

            .nav-search-wrapper {
                order: 3;
                flex-basis: calc(100% - 60px);
                max-width: none;
                min-width: 0;
            }

            .nav-cta {
                order: 4;
                margin-left: auto;
            }

            .nav-links-wrapper {
                display: none;
                flex-basis: 100%;
                order: 5;
            }

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

            .nav-links {
                flex-direction: column;
                gap: 12px;
                padding: 16px 0;
                width: 100%;
                border-top: 1px solid var(--border-color);
            }

            .nav-links a {
                font-size: 1rem;
                width: 100%;
                text-align: center;
                padding: 8px 0;
            }
        }

        @media (max-width: 640px) {
            .nav-container {
                padding: 8px 12px;
                gap: 8px 12px;
            }

            .nav-logo {
                font-size: 1.1rem;
            }

            .nav-logo svg {
                width: 24px;
                height: 24px;
            }

            .nav-search-wrapper {
                flex-basis: calc(100% - 50px);
            }

            .nav-search {
                height: 38px;
                font-size: 0.85rem;
                padding-left: 38px;
            }

            .nav-search-icon {
                width: 16px;
                height: 16px;
                left: 12px;
            }

            .nav-cta {
                font-size: 0.75rem;
                padding: 7px 14px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

        .breadcrumb .sep {
            color: var(--text-weak);
            user-select: none;
        }

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

        /* ========== HERO ========== */
        .teams-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0 70px;
            overflow: hidden;
        }

        .teams-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.82) 0%, rgba(11, 15, 20, 0.7) 40%, rgba(13, 17, 23, 0.58) 70%, rgba(11, 15, 20, 0.85) 100%);
            z-index: 1;
        }

        .teams-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle at center, rgba(0, 229, 204, 0.18) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

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

        .teams-hero-content {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .teams-hero-text {
            flex: 1;
            min-width: 300px;
        }

        .teams-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 229, 204, 0.12);
            border: 1px solid rgba(0, 229, 204, 0.35);
            color: var(--neon-cyan);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
        }

        .teams-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            color: var(--text-primary);
        }

        .teams-hero h1 .highlight {
            color: var(--neon-cyan);
        }

        .teams-hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .teams-hero-meta {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .teams-hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .teams-hero-meta-item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--neon-cyan);
            flex-shrink: 0;
        }

        .teams-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        .btn-primary:hover {
            background: #00F0FF;
            color: #0B0F14;
            box-shadow: 0 0 24px rgba(0, 229, 204, 0.45);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            border: 1.5px solid var(--text-weak);
            letter-spacing: 0.3px;
            transition: border-color var(--transition), color var(--transition), box-shadow var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            box-shadow: 0 0 16px rgba(0, 229, 204, 0.2);
        }

        .teams-hero-visual {
            flex-shrink: 0;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 2px solid rgba(0, 229, 204, 0.3);
            overflow: hidden;
            position: relative;
            box-shadow: 0 0 60px rgba(0, 229, 204, 0.25);
        }

        .teams-hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .teams-hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(145deg, rgba(0, 229, 204, 0.15) 0%, transparent 50%);
            pointer-events: none;
        }

        @media (max-width: 1024px) {
            .teams-hero h1 {
                font-size: 2.2rem;
            }

            .teams-hero-visual {
                width: 180px;
                height: 180px;
            }
        }

        @media (max-width: 640px) {
            .teams-hero {
                padding: 48px 0 40px;
            }

            .teams-hero-content {
                gap: 24px;
                flex-direction: column;
                align-items: flex-start;
            }

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

            .teams-hero-subtitle {
                font-size: 0.95rem;
            }

            .teams-hero-meta {
                gap: 14px;
            }

            .teams-hero-visual {
                width: 120px;
                height: 120px;
                margin-top: 8px;
            }

            .teams-hero-actions {
                flex-direction: column;
                gap: 10px;
                width: 100%;
            }

            .btn-primary,
            .btn-secondary {
                justify-content: center;
                width: 100%;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-padding);
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        @media (max-width: 640px) {
            .section {
                padding: var(--section-padding-mobile);
            }

            .section-title {
                font-size: 1.5rem;
            }

            .section-desc {
                font-size: 0.9rem;
            }
        }

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

        .player-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .player-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 229, 204, 0.4);
        }

        .player-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-input);
        }

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

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

        .player-position-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 45, 120, 0.85);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 16px;
            letter-spacing: 0.5px;
        }

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

        .player-card-id {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 4px;
            letter-spacing: -0.3px;
        }

        .player-card-role {
            font-size: 0.85rem;
            color: var(--neon-cyan);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .player-card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .player-card-stats {
            display: flex;
            gap: 18px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }

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

        .player-stat-value {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--neon-cyan);
        }

        .player-stat-label {
            font-size: 0.75rem;
            color: var(--text-weak);
        }

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

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

            .player-card-body {
                padding: 16px;
            }

            .player-card-id {
                font-size: 1rem;
            }
        }

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

        .team-stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .team-stat-card:hover {
            border-color: rgba(0, 229, 204, 0.35);
            box-shadow: var(--shadow-hover);
        }

        .team-stat-value {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--neon-cyan);
            letter-spacing: -1px;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .team-stat-value .unit {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-secondary);
        }

        .team-stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 600;
        }

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

        @media (max-width: 640px) {
            .team-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .team-stat-card {
                padding: 18px 12px;
            }

            .team-stat-value {
                font-size: 2rem;
            }
        }

        /* ========== TIMELINE ========== */
        .timeline {
            position: relative;
            padding-left: 30px;
            max-width: 760px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--neon-cyan), var(--border-light), var(--neon-pink));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding: 20px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .timeline-item:hover {
            border-color: rgba(0, 229, 204, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -29px;
            top: 25px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--neon-cyan);
            border: 2px solid var(--bg-primary);
            box-shadow: 0 0 8px rgba(0, 229, 204, 0.5);
        }

        .timeline-date {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--neon-pink);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .timeline-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 640px) {
            .timeline {
                padding-left: 24px;
            }

            .timeline-item {
                padding: 16px;
                margin-bottom: 20px;
            }

            .timeline-item::before {
                left: -24px;
                width: 10px;
                height: 10px;
            }
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 229, 204, 0.3);
        }

        .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;
            color: var(--text-primary);
            user-select: none;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: rgba(0, 229, 204, 0.04);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform var(--transition);
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--neon-cyan);
            border-radius: 2px;
        }

        .faq-question .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .faq-question .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            transition: opacity var(--transition);
        }

        .faq-item.open .faq-icon::after {
            opacity: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: #C7D1DB;
            font-size: 0.9rem;
            line-height: 1.8;
        }

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

        /* ========== PAGINATION ========== */
        .pagination-ui {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 14px;
            border-radius: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition);
        }

        .page-btn:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
        }

        .page-btn.active {
            background: var(--neon-cyan);
            color: #0B0F14;
            border-color: var(--neon-cyan);
            font-weight: 700;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            background: linear-gradient(145deg, var(--bg-secondary) 0%, #0D1A25 100%);
            overflow: hidden;
            padding: 64px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle at center, rgba(255, 45, 120, 0.14) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle at center, rgba(0, 229, 204, 0.14) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .cta-title {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }

        .cta-title .highlight {
            color: var(--neon-cyan);
        }

        .cta-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            height: 46px;
            border-radius: var(--radius-btn);
            background: var(--bg-input);
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            padding: 0 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

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

        .subscribe-form input:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 3px rgba(0, 229, 204, 0.25);
        }

        .subscribe-form .btn-primary {
            height: 46px;
            flex-shrink: 0;
            padding: 0 20px;
            border-radius: var(--radius-btn);
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 48px 0;
            }

            .cta-title {
                font-size: 1.45rem;
            }

            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }

            .subscribe-form input {
                width: 100%;
                height: 42px;
            }

            .subscribe-form .btn-primary {
                width: 100%;
                height: 42px;
                justify-content: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0E15;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--text-primary);
        }

        .footer-logo svg {
            width: 26px;
            height: 26px;
            fill: var(--neon-cyan);
        }

        .footer-logo span {
            color: var(--neon-cyan);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-weak);
        }

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

        .footer-bottom a {
            color: var(--text-weak);
            transition: color var(--transition);
        }

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

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

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .footer-bottom .legal {
                justify-content: center;
            }
        }

        /* ========== MISC ========== */
        .text-neon-cyan {
            color: var(--neon-cyan);
        }

        .text-neon-pink {
            color: var(--neon-pink);
        }

        .mb-0 {
            margin-bottom: 0;
        }

        .mt-24 {
            margin-top: 24px;
        }

        .gap-8 {
            gap: 8px;
        }

        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        *:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0B0F14;
            --bg-secondary: #131A22;
            --bg-card: #111820;
            --bg-input: #0D1117;
            --neon-cyan: #00E5CC;
            --neon-pink: #FF2D78;
            --text-primary: #F5F7FA;
            --text-secondary: #B0BAC6;
            --text-weak: #6B7885;
            --success: #2EE6A8;
            --warning: #FFB020;
            --border-color: #232E3A;
            --border-light: #2A3744;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 22px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.45);
            --shadow-hover: 0 8px 32px rgba(0,229,204,0.18);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.25s ease;
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1280px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--neon-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 639px) {
            .container { padding: 0 16px; }
        }
        :focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(11, 15, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: auto;
            min-height: 72px;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0,0,0,0.55);
        }
        .nav-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            padding: 12px 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.4rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            fill: var(--neon-cyan);
        }
        .nav-logo span {
            color: var(--neon-cyan);
        }
        .nav-search-wrapper {
            flex: 1;
            min-width: 280px;
            max-width: 520px;
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search {
            width: 100%;
            height: 44px;
            border-radius: var(--radius-input);
            background: var(--bg-input);
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            padding: 0 18px 0 44px;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .nav-search::placeholder {
            color: var(--text-weak);
            font-size: 0.9rem;
        }
        .nav-search:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
        }
        .nav-search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            fill: var(--text-weak);
            pointer-events: none;
        }
        .nav-cta {
            flex-shrink: 0;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.3px;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        .nav-cta:hover {
            background: #00F0FF;
            color: #0B0F14;
            box-shadow: 0 0 20px rgba(0,229,204,0.4);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            background: var(--bg-card);
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .nav-links-wrapper {
            flex-basis: 100%;
            display: block;
        }
        .nav-links {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            padding: 6px 0 2px;
        }
        .nav-links a {
            font-size: 0.9rem;
            font-weight: 600;
            color: #E0E6ED;
            letter-spacing: 0.3px;
            border-bottom: 2px solid transparent;
            padding-bottom: 4px;
            transition: color var(--transition), border-color var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-cyan);
            border-bottom-color: var(--neon-cyan);
        }
        @media (max-width: 1023px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links-wrapper {
                display: none;
                flex-basis: 100%;
                order: 10;
            }
            .nav-links-wrapper.open {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                gap: 12px;
                padding: 16px 0;
                border-top: 1px solid var(--border-color);
            }
            .nav-links a {
                font-size: 1rem;
                padding: 8px 0;
            }
            .nav-cta {
                margin-left: auto;
            }
        }
        @media (max-width: 639px) {
            .nav-container {
                padding: 10px 16px;
                gap: 10px 16px;
            }
            .nav-search-wrapper {
                order: 10;
                flex-basis: 100%;
                max-width: 100%;
                min-width: 0;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
            .nav-logo svg {
                width: 24px;
                height: 24px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: 16px 0 0;
            background: var(--bg-primary);
        }
        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            color: var(--text-weak);
            margin-left: 8px;
        }
        .breadcrumb a {
            color: var(--text-weak);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--neon-cyan);
        }
        .breadcrumb li:last-child {
            color: var(--neon-cyan);
            font-weight: 600;
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            padding: 80px 0 100px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,15,20,0.92) 20%, rgba(11,15,20,0.65) 55%, rgba(0,229,204,0.18) 100%);
            z-index: 1;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, var(--bg-primary));
            z-index: 2;
        }
        .page-hero-content {
            position: relative;
            z-index: 3;
            max-width: 780px;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(0,229,204,0.14);
            color: var(--neon-cyan);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(0,229,204,0.35);
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 5vw, 3.8rem);
            font-weight: 900;
            letter-spacing: -1px;
            margin-bottom: 18px;
            line-height: 1.2;
            color: var(--text-primary);
        }
        .page-hero h1 em {
            font-style: normal;
            color: var(--neon-cyan);
        }
        .page-hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background: #00F0FF;
            color: #0B0F14;
            box-shadow: 0 0 28px rgba(0,229,204,0.45);
            transform: translateY(-2px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--border-light);
            transition: border-color var(--transition), color var(--transition), transform var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            transform: translateY(-2px);
        }
        @media (max-width: 639px) {
            .page-hero {
                min-height: 400px;
                padding: 50px 0 70px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-padding-mobile);
        }
        @media (min-width: 1024px) {
            .section { padding: var(--section-padding); }
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-header h2 em {
            font-style: normal;
            color: var(--neon-cyan);
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 640px;
            line-height: 1.8;
        }

        /* ========== FEATURED GUIDES ========== */
        .featured-section {
            background: var(--bg-primary);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media (max-width: 767px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
        }
        .featured-card {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--neon-cyan);
        }
        .featured-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.06);
        }
        .featured-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-card-body .label {
            display: inline-block;
            background: rgba(255,45,120,0.15);
            color: var(--neon-pink);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .featured-card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .featured-card-body h3 a {
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .featured-card-body h3 a:hover {
            color: var(--neon-cyan);
        }
        .featured-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            flex: 1;
        }
        .featured-card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }

        /* ========== GUIDE LIST ========== */
        .guide-list-section {
            background: var(--bg-secondary);
        }
        .guide-list-container {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .guide-group {
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            overflow: hidden;
        }
        .guide-group-header {
            padding: 16px 24px;
            background: var(--bg-input);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .guide-group-header h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0;
            color: var(--neon-cyan);
        }
        .guide-group-header .group-count {
            font-size: 0.8rem;
            color: var(--text-weak);
            background: var(--bg-card);
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }
        .guide-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition);
            align-items: flex-start;
        }
        .guide-item:last-child {
            border-bottom: none;
        }
        .guide-item:hover {
            background: rgba(0,229,204,0.04);
        }
        .guide-item-thumb {
            flex-shrink: 0;
            width: 180px;
            height: 110px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .guide-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-item:hover .guide-item-thumb img {
            transform: scale(1.05);
        }
        .guide-item-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .guide-item-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .guide-item-content h4 a {
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .guide-item-content h4 a:hover {
            color: var(--neon-cyan);
        }
        .guide-item-content p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .guide-item-meta {
            display: flex;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-weak);
            align-items: center;
        }
        .guide-item-meta .tag {
            background: rgba(0,229,204,0.12);
            color: var(--neon-cyan);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
        }
        .guide-item-read {
            margin-left: auto;
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
            transition: color var(--transition), transform var(--transition);
        }
        .guide-item-read:hover {
            color: #00F0FF;
            transform: translateX(4px);
        }
        @media (max-width: 767px) {
            .guide-item {
                flex-direction: column;
                padding: 16px;
                gap: 12px;
            }
            .guide-item-thumb {
                width: 100%;
                height: 160px;
            }
            .guide-item-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
            .guide-item-read {
                margin-left: 0;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination-ui {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
        }
        .pagination-ui a,
        .pagination-ui span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0 12px;
            transition: all var(--transition);
        }
        .pagination-ui a:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
        }
        .pagination-ui .current {
            background: var(--neon-cyan);
            color: #0B0F14;
            border-color: var(--neon-cyan);
        }
        .pagination-ui .disabled {
            opacity: 0.45;
            cursor: not-allowed;
        }

        /* ========== FEATURES ========== */
        .guide-features-section {
            background: var(--bg-primary);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1023px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 639px) {
            .features-grid { grid-template-columns: 1fr; }
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--neon-cyan);
        }
        .feature-card-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background: rgba(0,229,204,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .feature-card-icon svg {
            width: 22px;
            height: 22px;
            fill: var(--neon-cyan);
        }
        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== SCENARIOS & PROCESS ========== */
        .scenario-section {
            background: var(--bg-secondary);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        @media (max-width: 767px) {
            .scenario-grid { grid-template-columns: 1fr; gap: 32px; }
        }
        .scenario-box h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--neon-cyan);
        }
        .scenario-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .scenario-list li {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 14px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
            transition: border-color var(--transition), transform var(--transition);
        }
        .scenario-list li:hover {
            border-color: var(--neon-cyan);
            transform: translateX(4px);
        }
        .scenario-list li::before {
            content: "▸";
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 1rem;
        }
        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .process-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 16px 20px;
            transition: border-color var(--transition);
        }
        .process-step:hover {
            border-color: var(--neon-cyan);
        }
        .process-step-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .process-step h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .process-step p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-primary);
        }
        .faq-accordion {
            max-width: 800px;
        }
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .accordion-item.is-active {
            border-color: var(--neon-cyan);
        }
        .accordion-title {
            background: none;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            padding: 16px 20px;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition);
        }
        .accordion-title:hover {
            color: var(--neon-cyan);
        }
        .accordion-title .icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .accordion-title .icon::before,
        .accordion-title .icon::after {
            content: "";
            position: absolute;
            background: var(--neon-cyan);
            transition: transform var(--transition);
        }
        .accordion-title .icon::before {
            width: 16px;
            height: 2px;
        }
        .accordion-title .icon::after {
            width: 2px;
            height: 16px;
        }
        .accordion-item.is-active .accordion-title .icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }
        .accordion-content {
            display: none;
            padding: 0 20px 18px;
            color: #C7D1DB;
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,15,20,0.92), rgba(11,15,20,0.78));
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .cta-content h2 em {
            font-style: normal;
            color: var(--neon-cyan);
        }
        .cta-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
        }
        .subscribe-form input {
            flex: 1;
            height: 48px;
            background: var(--bg-input);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-input);
            color: var(--text-primary);
            padding: 0 20px;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input::placeholder {
            color: var(--text-weak);
        }
        .subscribe-form input:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
        }
        .subscribe-form button {
            height: 48px;
            padding: 0 28px;
            background: var(--neon-cyan);
            color: #0B0F14;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-input);
            white-space: nowrap;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        .subscribe-form button:hover {
            background: #00F0FF;
            box-shadow: 0 0 28px rgba(0,229,204,0.45);
            transform: translateY(-2px);
        }
        .form-hint {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-top: 12px;
        }
        @media (max-width: 639px) {
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form button {
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0E15;
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 1023px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 639px) {
            .footer-grid { grid-template-columns: 1fr; }
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo svg {
            width: 24px;
            height: 24px;
            fill: var(--neon-cyan);
        }
        .footer-brand p {
            color: var(--text-weak);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: var(--text-weak);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--neon-cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-weak);
        }
        .footer-bottom .legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 639px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom .legal {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: category5 */
:root {
      --bg-primary: #0B0F14;
      --bg-secondary: #131A22;
      --bg-card: #111820;
      --bg-input: #0D1117;
      --neon-cyan: #00E5CC;
      --neon-pink: #FF2D78;
      --text-primary: #F5F7FA;
      --text-secondary: #B0BAC6;
      --text-weak: #6B7885;
      --success: #2EE6A8;
      --warning: #FFB020;
      --border-color: #232E3A;
      --border-light: #2A3744;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-input: 22px;
      --shadow-card: 0 4px 20px rgba(0,0,0,0.45);
      --shadow-hover: 0 8px 32px rgba(0,229,204,0.18);
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --transition: 0.25s ease;
      --section-padding: 80px 0;
      --section-padding-mobile: 48px 0;
      --container-max: 1280px;
    }
    :root {
      --section-padding: 64px 0;
    }
    * {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font-family);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-primary);
      background-color: var(--bg-primary);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      margin: 0;
    }
    a {
      color: var(--text-primary);
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover {
      color: var(--neon-cyan);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      outline: none;
      border: none;
    }
    button {
      cursor: pointer;
      background: none;
    }
    ul, ol {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    h1, h2, h3, h4, h5, h6 {
      margin: 0;
      font-weight: 700;
      line-height: 1.3;
      letter-spacing: -0.3px;
    }
    p {
      margin: 0;
    }
    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    @media (max-width: 640px) {
      .container {
        padding: 0 16px;
      }
    }
    /* ========== HEADER/NAV ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(11, 15, 20, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      min-height: 72px;
      transition: box-shadow var(--transition);
    }
    .site-header.scrolled {
      box-shadow: 0 4px 24px rgba(0,0,0,0.55);
    }
    .nav-container {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px 24px;
      padding: 12px 24px;
      max-width: var(--container-max);
      margin: 0 auto;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 1.4rem;
      font-weight: 900;
      letter-spacing: -0.5px;
      color: var(--text-primary);
      white-space: nowrap;
    }
    .nav-logo svg {
      width: 28px;
      height: 28px;
      flex-shrink: 0;
      fill: var(--neon-cyan);
    }
    .nav-logo span {
      color: var(--neon-cyan);
    }
    .nav-search-wrapper {
      flex: 1;
      min-width: 280px;
      max-width: 520px;
      position: relative;
      display: flex;
      align-items: center;
    }
    .nav-search {
      width: 100%;
      height: 44px;
      border-radius: var(--radius-input);
      background: var(--bg-input);
      border: 1px solid var(--border-light);
      color: var(--text-primary);
      padding: 0 18px 0 44px;
      font-size: 0.95rem;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .nav-search::placeholder {
      color: var(--text-weak);
      font-size: 0.9rem;
    }
    .nav-search:focus {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
    }
    .nav-search-icon {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      width: 18px;
      height: 18px;
      fill: var(--text-weak);
      pointer-events: none;
    }
    .nav-cta {
      flex-shrink: 0;
      background: var(--neon-cyan);
      color: #0B0F14;
      font-weight: 700;
      font-size: 0.85rem;
      padding: 10px 20px;
      border-radius: var(--radius-btn);
      letter-spacing: 0.3px;
      transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    .nav-cta:hover {
      background: #00F0FF;
      color: #0B0F14;
      box-shadow: 0 0 20px rgba(0,229,204,0.4);
      transform: translateY(-1px);
    }
    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-light);
      border-radius: 8px;
      background: var(--bg-card);
      flex-shrink: 0;
    }
    .nav-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
      transition: all var(--transition);
    }
    .nav-toggle.active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.active span:nth-child(2) {
      opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
      transform: rotate(-45deg) translate(5px, -5px);
    }
    .nav-links-wrapper {
      width: 100%;
      order: 4;
    }
    .nav-links {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 28px;
      padding: 8px 0 0;
      border-top: 1px solid var(--border-light);
      margin-top: 4px;
    }
    .nav-links a {
      font-size: 0.9rem;
      font-weight: 600;
      color: #E0E6ED;
      padding: 4px 0;
      position: relative;
      letter-spacing: 0.2px;
    }
    .nav-links a:hover {
      color: var(--neon-cyan);
    }
    .nav-links a.active {
      color: var(--neon-cyan);
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: -4px;
      height: 2px;
      background: var(--neon-cyan);
      border-radius: 2px;
    }
    @media (max-width: 1024px) {
      .nav-container {
        gap: 10px 16px;
        padding: 10px 20px;
      }
      .nav-search-wrapper {
        min-width: 200px;
        max-width: 360px;
      }
      .nav-links {
        gap: 8px 20px;
      }
    }
    @media (max-width: 768px) {
      .nav-container {
        gap: 8px 12px;
        padding: 10px 16px;
      }
      .nav-logo {
        font-size: 1.2rem;
      }
      .nav-cta {
        display: none;
      }
      .nav-toggle {
        display: flex;
      }
      .nav-search-wrapper {
        min-width: 160px;
        flex: 1;
        max-width: none;
      }
      .nav-links-wrapper {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(11,15,20,0.98);
        border-bottom: 1px solid var(--border-light);
        padding: 16px 20px 20px;
        flex-direction: column;
      }
      .nav-links-wrapper.open {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        gap: 12px;
        border-top: none;
        margin-top: 0;
      }
      .nav-links a {
        font-size: 1rem;
      }
      .nav-links a.active::after {
        bottom: -6px;
      }
    }
    @media (max-width: 520px) {
      .nav-container {
        flex-wrap: nowrap;
      }
      .nav-logo span {
        font-size: 0;
      }
      .nav-logo svg {
        width: 26px;
        height: 26px;
      }
      .nav-search {
        height: 40px;
        font-size: 0.85rem;
        padding-left: 38px;
      }
      .nav-search-icon {
        width: 16px;
        height: 16px;
        left: 12px;
      }
    }
    /* ========== BREADCRUMB ========== */
    .breadcrumb {
      background: var(--bg-secondary);
      border-bottom: 1px solid var(--border-color);
      padding: 14px 0;
      font-size: 0.85rem;
      color: var(--text-weak);
    }
    .breadcrumb .container {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 6px;
    }
    .breadcrumb a {
      color: var(--text-secondary);
    }
    .breadcrumb a:hover {
      color: var(--neon-cyan);
    }
    .breadcrumb span {
      color: var(--text-weak);
    }
    .breadcrumb .sep {
      margin: 0 4px;
      color: var(--text-weak);
    }
    .breadcrumb .current {
      color: var(--neon-cyan);
      font-weight: 600;
    }
    /* ========== HERO ========== */
    .category-hero {
      position: relative;
      min-height: 58vh;
      display: flex;
      align-items: center;
      padding: 64px 0;
      background: linear-gradient(135deg, rgba(11,15,20,0.92) 20%, rgba(11,15,20,0.55) 70%, rgba(255,45,120,0.15)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .category-hero::before {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 35%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(0,229,204,0.08));
      pointer-events: none;
    }
    .category-hero::after {
      content: '';
      position: absolute;
      left: -60px;
      bottom: -40px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(0,229,204,0.12) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 760px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255,45,120,0.15);
      border: 1px solid rgba(255,45,120,0.4);
      color: var(--neon-pink);
      font-size: 0.8rem;
      font-weight: 700;
      padding: 6px 14px;
      border-radius: 20px;
      letter-spacing: 0.5px;
      margin-bottom: 20px;
    }
    .hero-badge .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--neon-pink);
      display: inline-block;
      animation: pulse-dot 1.8s infinite;
    }
    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.5); }
    }
    .category-hero h1 {
      font-size: 3rem;
      font-weight: 900;
      letter-spacing: -1px;
      line-height: 1.15;
      margin-bottom: 20px;
      color: #fff;
    }
    .category-hero h1 .highlight {
      color: var(--neon-cyan);
      text-shadow: 0 0 20px rgba(0,229,204,0.5);
    }
    .hero-subtitle {
      font-size: 1.1rem;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 30px;
      max-width: 600px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 20px;
      align-items: center;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      padding: 12px 24px;
      border-radius: var(--radius-btn);
      transition: all var(--transition);
      font-size: 0.95rem;
      letter-spacing: 0.3px;
    }
    .btn-primary {
      background: var(--neon-cyan);
      color: #0B0F14;
      border: 1.5px solid var(--neon-cyan);
    }
    .btn-primary:hover {
      background: #00F0FF;
      border-color: #00F0FF;
      color: #0B0F14;
      box-shadow: 0 0 20px rgba(0,229,204,0.4);
      transform: translateY(-2px);
    }
    .btn-ghost {
      background: transparent;
      color: #fff;
      border: 1.5px solid var(--border-light);
    }
    .btn-ghost:hover {
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
      background: rgba(0,229,204,0.05);
      transform: translateY(-2px);
    }
    .hero-stats {
      display: flex;
      gap: 24px;
      margin-top: 32px;
      flex-wrap: wrap;
    }
    .hero-stat {
      display: flex;
      flex-direction: column;
    }
    .hero-stat .num {
      font-size: 1.6rem;
      font-weight: 900;
      color: var(--neon-cyan);
      line-height: 1.2;
    }
    .hero-stat .label {
      font-size: 0.8rem;
      color: var(--text-weak);
    }
    @media (max-width: 768px) {
      .category-hero {
        min-height: 50vh;
        padding: 48px 0;
      }
      .category-hero h1 {
        font-size: 2rem;
        letter-spacing: -0.5px;
      }
      .hero-subtitle {
        font-size: 1rem;
      }
      .hero-stat .num {
        font-size: 1.3rem;
      }
      .hero-stats {
        gap: 16px;
      }
    }
    /* ========== SECTIONS ========== */
    .section {
      padding: var(--section-padding);
    }
    .section.dark {
      background: var(--bg-secondary);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-head {
      margin-bottom: 32px;
    }
    .section-head h2 {
      font-size: 1.8rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }
    .section-head h2 .highlight {
      color: var(--neon-cyan);
    }
    .section-head p {
      color: var(--text-secondary);
      font-size: 1rem;
      max-width: 720px;
    }
    /* ========== ARTICLE LIST ========== */
    .article-list {
      display: flex;
      flex-direction: column;
      gap: 28px;
    }
    .article-row {
      display: flex;
      gap: 24px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-card);
      padding: 20px;
      transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    .article-row:hover {
      border-color: rgba(0,229,204,0.4);
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }
    .article-row .thumb {
      flex-shrink: 0;
      width: 180px;
      height: 120px;
      border-radius: 8px;
      overflow: hidden;
      background: var(--bg-input);
    }
    .article-row .thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .article-row .info {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .article-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.8rem;
      color: var(--text-weak);
      margin-bottom: 8px;
    }
    .article-meta .date {
      font-weight: 600;
      color: var(--text-weak);
    }
    .article-meta .tag {
      background: rgba(0,229,204,0.12);
      color: var(--neon-cyan);
      padding: 2px 10px;
      border-radius: 16px;
      font-size: 0.75rem;
      font-weight: 700;
    }
    .article-row h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      letter-spacing: -0.2px;
    }
    .article-row h3 a {
      color: #fff;
    }
    .article-row h3 a:hover {
      color: var(--neon-cyan);
    }
    .article-row p {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.7;
      margin-bottom: 12px;
    }
    .read-more {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--neon-cyan);
      font-weight: 700;
      font-size: 0.9rem;
      transition: gap var(--transition);
    }
    .read-more:hover {
      color: #00F0FF;
      gap: 10px;
    }
    .read-more svg {
      width: 14px;
      height: 14px;
      fill: currentColor;
    }
    @media (max-width: 768px) {
      .article-row {
        flex-direction: column;
        gap: 16px;
      }
      .article-row .thumb {
        width: 100%;
        height: 180px;
      }
    }
    /* ========== DATA REPORT ========== */
    .data-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .data-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-card);
      padding: 28px 22px;
      transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
      position: relative;
      overflow: hidden;
    }
    .data-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(180deg, var(--neon-cyan), var(--neon-pink));
      opacity: 0;
      transition: opacity var(--transition);
    }
    .data-card:hover::before {
      opacity: 1;
    }
    .data-card:hover {
      border-color: rgba(0,229,204,0.4);
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }
    .data-card .data-num {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--neon-cyan);
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 8px;
    }
    .data-card .data-unit {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
    }
    .data-card .data-label {
      font-size: 0.9rem;
      color: var(--text-secondary);
      margin-top: 6px;
      line-height: 1.6;
    }
    .trend-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }
    .trend-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-card);
      padding: 24px;
    }
    .trend-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: #fff;
    }
    .trend-card p {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.7;
    }
    @media (max-width: 1024px) {
      .data-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 640px) {
      .data-grid {
        grid-template-columns: 1fr;
      }
      .trend-row {
        grid-template-columns: 1fr;
      }
    }
    /* ========== DEEP CONTENT ========== */
    .deep-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .deep-content .text {
      font-size: 1rem;
      line-height: 1.9;
      color: var(--text-secondary);
    }
    .deep-content .text p + p {
      margin-top: 18px;
    }
    .deep-content .image-box {
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }
    .deep-content .image-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    @media (max-width: 768px) {
      .deep-content {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }
    /* ========== FAQ ========== */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 10px;
      overflow: hidden;
      transition: border-color var(--transition);
    }
    .faq-item.open {
      border-color: rgba(0,229,204,0.4);
    }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 16px 20px;
      background: transparent;
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
      text-align: left;
      transition: color var(--transition);
    }
    .faq-question:hover {
      color: var(--neon-cyan);
    }
    .faq-question .icon {
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      transition: transform var(--transition);
    }
    .faq-question .icon svg {
      fill: var(--neon-cyan);
    }
    .faq-item.open .faq-question .icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      padding: 0 20px;
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 0 20px 18px;
    }
    .faq-answer p {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.7;
    }
    /* ========== CTA ========== */
    .cta-section {
      padding: 64px 0;
      background: linear-gradient(135deg, #0B0F14 0%, #131A22 60%, rgba(255,45,120,0.1) 100%);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .cta-box {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: 16px;
      padding: 48px 40px;
      text-align: center;
      box-shadow: var(--shadow-card);
    }
    .cta-box h2 {
      font-size: 1.8rem;
      margin-bottom: 12px;
    }
    .cta-box p {
      color: var(--text-secondary);
      margin-bottom: 28px;
      font-size: 1rem;
    }
    .subscribe-form {
      display: flex;
      max-width: 480px;
      margin: 0 auto;
      gap: 10px;
    }
    .subscribe-form input {
      flex: 1;
      height: 48px;
      padding: 0 18px;
      border-radius: var(--radius-btn);
      background: var(--bg-input);
      border: 1px solid var(--border-light);
      color: var(--text-primary);
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .subscribe-form input::placeholder {
      color: var(--text-weak);
    }
    .subscribe-form input:focus {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
    }
    .subscribe-form button {
      height: 48px;
      white-space: nowrap;
      padding: 0 24px;
      background: var(--neon-cyan);
      color: #0B0F14;
      font-weight: 700;
      border-radius: var(--radius-btn);
      transition: background var(--transition), box-shadow var(--transition);
    }
    .subscribe-form button:hover {
      background: #00F0FF;
      box-shadow: 0 0 20px rgba(0,229,204,0.3);
    }
    @media (max-width: 640px) {
      .cta-box {
        padding: 32px 20px;
      }
      .subscribe-form {
        flex-direction: column;
      }
      .subscribe-form input,
      .subscribe-form button {
        width: 100%;
      }
      .cta-box h2 {
        font-size: 1.4rem;
      }
    }
    /* ========== PAGINATION ========== */
    .pagination-hint {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 32px;
      padding: 16px 20px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      color: var(--text-weak);
      font-size: 0.85rem;
    }
    .pagination-hint .prev,
    .pagination-hint .next {
      color: var(--text-secondary);
      transition: color var(--transition);
    }
    .pagination-hint .prev:hover,
    .pagination-hint .next:hover {
      color: var(--neon-cyan);
    }
    .pagination-hint .page-dots {
      display: flex;
      gap: 8px;
      align-items: center;
    }
    .page-dots span {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--border-light);
      display: inline-block;
    }
    .page-dots span.current {
      background: var(--neon-cyan);
      box-shadow: 0 0 8px rgba(0,229,204,0.6);
    }
    /* ========== FOOTER ========== */
    .site-footer {
      background: #0A0E15;
      border-top: 1px solid var(--border-color);
      padding: 56px 0 0;
      margin-top: 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
    }
    .footer-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 1.4rem;
      font-weight: 900;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-logo svg {
      width: 26px;
      height: 26px;
      fill: var(--neon-cyan);
    }
    .footer-brand p {
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.7;
      max-width: 320px;
    }
    .footer-col h5 {
      font-size: 0.95rem;
      color: #fff;
      margin-bottom: 16px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }
    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col a {
      color: var(--text-secondary);
      font-size: 0.9rem;
      transition: color var(--transition);
    }
    .footer-col a:hover {
      color: var(--neon-cyan);
    }
    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding: 20px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-size: 0.8rem;
      color: var(--text-weak);
    }
    .footer-bottom .legal {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }
    @media (max-width: 1024px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }
    @media (max-width: 640px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    /* ========== GLOBAL FOCUS ========== */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--neon-cyan);
      outline-offset: 2px;
    }
    /* ========== UTIL ========== */
    .text-center { text-align: center; }
    .mt-16 { margin-top: 16px; }
    .mb-16 { margin-bottom: 16px; }