/* roulang page: index */
:root {
            --bg-deep: #060D1F;
            --bg-panel: #0C1B33;
            --glass-bg: rgba(255, 255, 255, 0.07);
            --glass-border: rgba(255, 255, 255, 0.14);
            --accent-signal: #00E5FF;
            --accent-live: #FF3D5A;
            --accent-gold: #F5B81C;
            --text-hi: rgba(255, 255, 255, 0.92);
            --text-mid: rgba(255, 255, 255, 0.66);
            --text-low: rgba(255, 255, 255, 0.40);
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', 'sans-serif', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-hi);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-main {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-glass);
            border-radius: var(--radius-lg);
        }

        @supports not ((backdrop-filter: blur(16px)) or (-webkit-backdrop-filter: blur(16px))) {
            .glass-card {
                background: rgba(255, 255, 255, 0.75);
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #00E5FF, #00C2E8);
            color: #041320;
            font-weight: 600;
            border-radius: var(--radius-md);
            padding: 0.75rem 1.6rem;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
            transition: all 0.25s ease;
            cursor: pointer;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.55);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-signal);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.2);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            border-radius: var(--radius-md);
            padding: 0.75rem 1.6rem;
            transition: all 0.25s ease;
            cursor: pointer;
            font-size: 0.95rem;
        }

        .btn-secondary:hover {
            border-color: var(--accent-signal);
            color: var(--accent-signal);
            background: rgba(0, 229, 255, 0.08);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 61, 90, 0.85);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
        }

        .badge-live .dot {
            width: 6px;
            height: 6px;
            background: #fff;
            border-radius: 50%;
            animation: pulse-live 1.2s infinite;
        }

        .badge-upcoming {
            display: inline-flex;
            align-items: center;
            background: rgba(245, 184, 28, 0.2);
            border: 1px solid rgba(245, 184, 28, 0.4);
            color: var(--accent-gold);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
        }

        .badge-ended {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-low);
            font-size: 0.72rem;
            font-weight: 500;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
        }

        .badge-cat {
            display: inline-flex;
            align-items: center;
            background: rgba(0, 229, 255, 0.12);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--accent-signal);
            font-size: 0.72rem;
            font-weight: 500;
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
        }

        .bg-radar-grid {
            background-image:
                radial-gradient(circle at 20% 30%, rgba(0, 229, 255, 0.05) 1px, transparent 1px),
                radial-gradient(circle at 80% 70%, rgba(245, 184, 28, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        .radar-wave {
            position: relative;
        }

        .radar-wave::before {
            content: '';
            position: absolute;
            inset: -12px;
            border-radius: 50%;
            border: 1.5px solid rgba(0, 229, 255, 0.35);
            animation: radar-ping 2.4s ease-out infinite;
            pointer-events: none;
        }

        .radar-wave::after {
            content: '';
            position: absolute;
            inset: -24px;
            border-radius: 50%;
            border: 1px solid rgba(0, 229, 255, 0.15);
            animation: radar-ping 2.4s ease-out 0.8s infinite;
            pointer-events: none;
        }

        @keyframes radar-ping {
            0% {
                transform: scale(0.4);
                opacity: 1;
            }
            100% {
                transform: scale(1.4);
                opacity: 0;
            }
        }

        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        @keyframes glow-pulse {
            0%,
            100% {
                box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
            }
            50% {
                box-shadow: 0 0 35px rgba(0, 229, 255, 0.5);
            }
        }

        .countdown-num {
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
            font-variant-numeric: tabular-nums;
            font-size: 2.2rem;
            line-height: 1;
            font-weight: 700;
            color: var(--accent-signal);
            text-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
        }

        @media (min-width: 768px) {
            .countdown-num {
                font-size: 2.8rem;
            }
        }

        .countdown-unit {
            font-size: 0.75rem;
            color: var(--text-low);
            margin-left: 0.3rem;
            margin-right: 0.4rem;
        }

        .countdown-sep {
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
            font-size: 2rem;
            color: rgba(255, 255, 255, 0.25);
            font-weight: 300;
            margin: 0 0.2rem;
        }

        .hero-bg {
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 13, 31, 0.55) 0%, rgba(6, 13, 31, 0.72) 50%, rgba(6, 13, 31, 0.92) 85%, #060D1F 100%);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 600;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.1rem;
            }
        }

        .viewpoint-num {
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
            font-size: 3rem;
            font-weight: 700;
            color: rgba(0, 229, 255, 0.25);
            line-height: 1;
            -webkit-text-stroke: 1px rgba(0, 229, 255, 0.15);
        }

        .live-card {
            transition: all 0.3s ease;
            border-radius: 16px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
        }

        .live-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
        }

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

        .cover-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card {
            display: flex;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 1rem;
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .news-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(0, 229, 255, 0.3);
        }

        .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            .news-thumb {
                width: 140px;
                height: 88px;
            }
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.2rem 0;
            transition: color 0.2s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--accent-signal);
        }

        .faq-icon {
            transition: transform 0.3s ease;
            color: var(--text-low);
            font-size: 1rem;
            flex-shrink: 0;
            margin-left: 1rem;
        }

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

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .stats-block {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            padding: 1.5rem 1rem;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stats-block:hover {
            background: rgba(0, 229, 255, 0.05);
            border-color: rgba(0, 229, 255, 0.2);
            transform: translateY(-2px);
        }

        .stats-number {
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-signal);
            font-variant-numeric: tabular-nums;
        }

        .stats-label {
            font-size: 0.82rem;
            color: var(--text-mid);
            margin-top: 0.35rem;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .footer-link:hover {
            color: var(--accent-signal);
        }

        .input-email {
            width: 100%;
            height: 48px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            padding: 0 1.1rem;
            color: #fff;
            font-size: 0.95rem;
            transition: border-color 0.25s, box-shadow 0.25s;
        }

        .input-email::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .input-email:focus {
            border-color: var(--accent-signal);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
            outline: none;
        }

        .input-email:focus-visible {
            outline: 2px solid var(--accent-signal);
            outline-offset: 2px;
        }

        .site-header {
            transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
        }

        .site-header.scrolled {
            background: rgba(6, 13, 31, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .nav-link {
            position: relative;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.93rem;
            font-weight: 500;
            padding: 0.35rem 0.2rem;
            transition: color 0.25s;
        }

        .nav-link:hover {
            color: var(--accent-signal);
        }

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--accent-signal);
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
            border-radius: 2px;
        }

        .mobile-nav {
            transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s;
        }

        .mobile-nav.open {
            transform: translateX(0);
        }

        .mobile-nav.closed {
            transform: translateX(100%);
        }

        @media (max-width: 767px) {
            .desktop-nav {
                display: none;
            }
        }

        @media (min-width: 768px) {
            .mobile-nav-toggle {
                display: none;
            }
        }

        .dot-grid {
            background-image: radial-gradient(circle, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
            background-size: 22px 22px;
        }

        .subscribe-success {
            transition: opacity 0.4s ease;
        }

        .empty-state {
            border: 2px dashed rgba(255, 255, 255, 0.15);
            border-radius: 16px;
            padding: 3rem 1rem;
            text-align: center;
            color: var(--text-low);
            background: rgba(255, 255, 255, 0.02);
        }

        .live-card .cover-wrap {
            position: relative;
            overflow: hidden;
        }

        .live-card .cover-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 13, 31, 0.1) 0%, rgba(6, 13, 31, 0.2) 60%, rgba(6, 13, 31, 0.7) 100%);
            pointer-events: none;
        }

        .section-gap {
            padding: 4rem 0;
        }

        @media (min-width: 768px) {
            .section-gap {
                padding: 6rem 0;
            }
        }

        .line-clamp-1 {
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .backpic-banner {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

/* roulang page: category1 */
:root {
        --bg-deep: #060D1F;
        --bg-panel: #0C1B33;
        --glass-bg: rgba(255, 255, 255, 0.07);
        --glass-border: rgba(255, 255, 255, 0.14);
        --accent-signal: #00E5FF;
        --accent-live: #FF3D5A;
        --accent-gold: #F5B81C;
        --text-hi: rgba(255, 255, 255, 0.92);
        --text-mid: rgba(255, 255, 255, 0.66);
        --text-low: rgba(255, 255, 255, 0.40);
        --radius-lg: 16px;
        --radius-sm: 12px;
        --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.35);
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        background-color: var(--bg-deep);
        color: var(--text-hi);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }

    a {
        text-decoration: none;
        color: inherit;
    }

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

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

    input {
        font-family: inherit;
    }

    .site-header {
        transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    }

    .site-header.scrolled {
        background: rgba(6, 13, 31, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    }

    .nav-link {
        position: relative;
        font-size: 0.95rem;
        color: rgba(255, 255, 255, 0.6);
        padding: 6px 2px;
        transition: color 0.3s;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--accent-signal);
        border-radius: 2px;
        transition: width 0.3s ease;
        box-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
    }

    .nav-link:hover {
        color: var(--text-hi);
    }

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

    .nav-link.active {
        color: var(--accent-signal);
    }

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

    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        background: linear-gradient(135deg, #00E5FF 0%, #55F0FF 100%);
        color: #060D1F;
        font-weight: 600;
        border-radius: 12px;
        padding: 12px 24px;
        font-size: 0.95rem;
        box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
        transition: all 0.3s ease;
    }

    .btn-primary:hover {
        box-shadow: 0 0 32px rgba(0, 229, 255, 0.55);
        transform: translateY(-1px);
        color: #060D1F;
    }

    .btn-primary:active {
        transform: scale(0.98);
    }

    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.18);
        color: rgba(255, 255, 255, 0.85);
        font-weight: 500;
        border-radius: 12px;
        padding: 12px 24px;
        font-size: 0.95rem;
        transition: all 0.3s ease;
        backdrop-filter: blur(8px);
    }

    .btn-secondary:hover {
        border-color: rgba(0, 229, 255, 0.5);
        color: var(--accent-signal);
        background: rgba(0, 229, 255, 0.05);
    }

    .btn-secondary:active {
        transform: scale(0.98);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 2px solid var(--accent-signal);
        outline-offset: 2px;
        box-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
    }

    .glass-panel {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        box-shadow: var(--shadow-glass);
        border-radius: var(--radius-lg);
    }

    @supports not (backdrop-filter: blur(16px)) {
        .glass-panel {
            background: rgba(255, 255, 255, 0.75);
        }
        .glass-panel .text-mid {
            color: rgba(0, 0, 0, 0.6);
        }
    }

    .hero-bg {
        background-image: linear-gradient(rgba(6, 13, 31, 0.72), rgba(6, 13, 31, 0.55)),
            linear-gradient(to bottom, transparent 60%, var(--bg-deep) 98%),
            url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .section-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        border-radius: 999px;
        font-size: 0.85rem;
        font-weight: 500;
        background: rgba(0, 229, 255, 0.08);
        border: 1px solid rgba(0, 229, 255, 0.25);
        color: var(--accent-signal);
        letter-spacing: 0.05em;
    }

    .card {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-radius: 16px;
        transition: transform 0.35s ease, box-shadow 0.35s ease;
        overflow: hidden;
    }

    .card:hover {
        transform: translateY(-4px);
        box-shadow: 0 14px 44px rgba(0, 0, 0, 0.45);
    }

    .status-live {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 61, 90, 0.9);
        color: #fff;
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 0.78rem;
        font-weight: 600;
        letter-spacing: 0.04em;
    }

    .status-live::before {
        content: '';
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #fff;
        animation: pulse 1.5s infinite;
    }

    .status-upcoming {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(245, 184, 28, 0.15);
        color: var(--accent-gold);
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 0.78rem;
        font-weight: 600;
        border: 1px solid rgba(245, 184, 28, 0.3);
        letter-spacing: 0.04em;
    }

    .status-ended {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 255, 255, 0.08);
        color: rgba(255, 255, 255, 0.5);
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 0.78rem;
        font-weight: 500;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .wave-ring {
        position: relative;
    }

    .wave-ring::after {
        content: '';
        position: absolute;
        inset: -6px;
        border-radius: 50%;
        border: 1px solid rgba(0, 229, 255, 0.35);
        animation: wavePulse 2.4s infinite;
        pointer-events: none;
    }

    @keyframes pulse {
        0%,
        100% {
            opacity: 1;
            transform: scale(1);
        }
        50% {
            opacity: 0.4;
            transform: scale(1.4);
        }
    }

    @keyframes wavePulse {
        0% {
            transform: scale(0.6);
            opacity: 0.9;
        }
        100% {
            transform: scale(1.8);
            opacity: 0;
        }
    }

    .faq-details summary {
        list-style: none;
    }

    .faq-details summary::-webkit-details-marker {
        display: none;
    }

    .faq-details[open] .faq-icon {
        transform: rotate(45deg);
    }

    .faq-icon {
        transition: transform 0.3s ease;
    }

    .footer-link {
        color: rgba(255, 255, 255, 0.45);
        font-size: 0.9rem;
        transition: color 0.3s;
    }

    .footer-link:hover {
        color: var(--accent-signal);
    }

    .mobile-menu {
        transition: all 0.35s ease;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
    }

    .mobile-menu.open {
        max-height: 480px;
        opacity: 1;
    }

    .num-font {
        font-family: 'DIN Alternate', 'Roboto Mono', monospace;
        font-variant-numeric: tabular-nums;
    }

    .dot-grid-bg {
        background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
        background-size: 22px 22px;
    }

/* roulang page: article */
:root {
            --bg-deep: #060D1F;
            --bg-panel: #0C1B33;
            --glass-bg: rgba(255, 255, 255, 0.07);
            --glass-border: rgba(255, 255, 255, 0.14);
            --accent-signal: #00E5FF;
            --accent-live: #FF3D5A;
            --accent-gold: #F5B81C;
            --text-hi: rgba(255, 255, 255, 0.92);
            --text-mid: rgba(255, 255, 255, 0.66);
            --text-low: rgba(255, 255, 255, 0.40);
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --font-cn: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Mono', monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-deep);
            color: var(--text-hi);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
            width: 100%;
        }

        .site-header {
            transition: background-color 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
        }

        .site-header.scrolled {
            background: rgba(6, 13, 31, 0.92) !important;
            backdrop-filter: blur(14px);
            border-bottom-color: rgba(255, 255, 255, 0.1);
        }

        .nav-link {
            position: relative;
            font-size: 0.9375rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.66);
            padding: 0.5rem 0;
            transition: color 0.3s ease;
        }

        .nav-link:hover {
            color: rgba(255, 255, 255, 0.92);
        }

        .nav-link.active {
            color: var(--accent-signal);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-signal);
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
            border-radius: 2px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: #060D1F;
            background: linear-gradient(135deg, #00E5FF, #7FF0FF);
            border-radius: 12px;
            padding: 0.75rem 1.5rem;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
            transition: all 0.3s ease;
            border: none;
            font-size: 0.9375rem;
            line-height: 1.2;
            gap: 0.375rem;
        }

        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.55);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            padding: 0.75rem 1.5rem;
            transition: all 0.3s ease;
            font-size: 0.9375rem;
        }

        .btn-secondary:hover {
            border-color: var(--accent-signal);
            color: var(--accent-signal);
            background: rgba(0, 229, 255, 0.06);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-signal);
            outline-offset: 2px;
        }

        .glass-panel {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
        }

        @supports not (backdrop-filter: blur(16px)) {
            .glass-panel {
                background: rgba(255, 255, 255, 0.75);
            }
        }

        .footer-link {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.45);
            transition: color 0.3s ease;
        }

        .footer-link:hover {
            color: var(--accent-signal);
        }

        .mobile-menu {
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .page-header {
            background: linear-gradient(180deg, rgba(0, 229, 255, 0.06) 0%, rgba(6, 13, 31, 0) 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .article-content {
            font-size: 1.0625rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.78);
        }

        .article-content h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.92);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.92);
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }

        .article-content p {
            margin-bottom: 1.5rem;
            line-height: 1.9;
        }

        .article-content a {
            color: var(--accent-signal);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(0, 229, 255, 0.4);
            transition: text-decoration-color 0.3s ease;
        }

        .article-content a:hover {
            text-decoration-color: var(--accent-signal);
        }

        .article-content img {
            border-radius: 16px;
            margin: 2rem auto;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }

        .article-content blockquote {
            border-left: 3px solid var(--accent-signal);
            background: rgba(255, 255, 255, 0.04);
            padding: 1.25rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.75rem 0;
            color: rgba(255, 255, 255, 0.66);
            font-style: normal;
        }

        .article-content blockquote p {
            margin-bottom: 0.5rem;
        }

        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 0.5rem;
            line-height: 1.8;
        }

        .article-content li::marker {
            color: var(--accent-signal);
        }

        .article-content strong {
            color: rgba(255, 255, 255, 0.94);
            font-weight: 600;
        }

        .article-content pre {
            background: rgba(0, 0, 0, 0.35);
            border-radius: 16px;
            padding: 1.25rem;
            overflow-x: auto;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
            font-family: var(--font-num);
            font-size: 0.875rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.8);
        }

        .article-content code {
            background: rgba(255, 255, 255, 0.08);
            padding: 0.15rem 0.4rem;
            border-radius: 4px;
            font-size: 0.9em;
            font-family: var(--font-num);
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
        }

        .article-content hr {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 2.5rem 0;
        }

        .article-content table {
            width: 100%;
            margin-bottom: 1.5rem;
            border-collapse: collapse;
            font-size: 0.9375rem;
        }

        .article-content table th,
        .article-content table td {
            padding: 0.75rem 1rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            text-align: left;
        }

        .article-content table th {
            background: rgba(255, 255, 255, 0.06);
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
        }

        .match-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .match-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
            border-color: rgba(0, 229, 255, 0.25);
        }

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

        .match-card-img {
            transition: transform 0.5s ease;
        }

        .badge-live {
            background: rgba(255, 61, 90, 0.9);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.625rem;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
        }

        .badge-live::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: pulse-dot 1.5s infinite ease-in-out;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.75);
            }
        }

        .badge-upcoming {
            background: rgba(245, 184, 28, 0.15);
            color: var(--accent-gold);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.625rem;
            border-radius: 999px;
            border: 1px solid rgba(245, 184, 28, 0.35);
        }

        .badge-ended {
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 0.25rem 0.625rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .category-tag {
            font-size: 0.75rem;
            color: var(--accent-signal);
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.2);
            padding: 0.2rem 0.6rem;
            border-radius: 999px;
            display: inline-block;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--accent-signal);
            transition: gap 0.3s ease;
        }

        .read-more:hover {
            gap: 0.75rem;
        }

        .timestamp {
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: inline-flex;
            }
            .container-main {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .article-content {
                font-size: 1rem;
            }
            .article-content h2 {
                font-size: 1.5rem;
            }
        }

        @media (min-width: 769px) {
            .mobile-nav-toggle {
                display: none;
            }
        }

        .line-clamp-1 {
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .line-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .backdrop-fallback {
            background: rgba(255, 255, 255, 0.75);
        }

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

        input:focus-visible {
            outline: 2px solid var(--accent-signal);
            outline-offset: 0;
        }

        .subscribe-input {
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .subscribe-input:focus {
            border-color: var(--accent-signal) !important;
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
        }

        .related-card {
            transition: all 0.3s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
            border-color: rgba(0, 229, 255, 0.25);
        }

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

        .related-card-img {
            transition: transform 0.5s ease;
        }

/* roulang page: category2 */
:root {
            --bg-deep: #060D1F;
            --bg-panel: #0C1B33;
            --glass-bg: rgba(255,255,255,0.07);
            --glass-border: rgba(255,255,255,0.14);
            --accent-signal: #00E5FF;
            --accent-live: #FF3D5A;
            --accent-gold: #F5B81C;
            --text-hi: rgba(255,255,255,0.92);
            --text-mid: rgba(255,255,255,0.66);
            --text-low: rgba(255,255,255,0.40);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background: var(--bg-deep);
            color: var(--text-hi);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button,
        input {
            font: inherit;
            background: none;
            border: none;
            color: inherit;
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        @media (min-width: 768px) {
            .container-main {
                padding: 0 1.75rem;
            }
        }

        .num-font {
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
            font-variant-numeric: tabular-nums;
        }

        /* ---------- Header ---------- */
        .site-header {
            transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .site-header.scrolled {
            background: rgba(6, 13, 31, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom-color: rgba(255,255,255,0.12);
            box-shadow: 0 8px 32px rgba(0,0,0,0.35);
        }

        .nav-link {
            font-size: .875rem;
            letter-spacing: .01em;
            color: var(--text-mid);
            transition: color .2s ease;
            position: relative;
            padding: 4px 0;
        }

        .nav-link:hover {
            color: var(--text-hi);
        }

        .nav-link.active {
            color: var(--text-hi);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-signal);
            box-shadow: 0 0 8px rgba(0,229,255,0.8);
            border-radius: 2px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #00E5FF, #22d3ee);
            color: #04121A;
            font-weight: 600;
            font-size: .875rem;
            border-radius: 12px;
            padding: 10px 20px;
            box-shadow: 0 0 20px rgba(0,229,255,0.3);
            transition: all .2s ease;
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(0,229,255,0.55);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.2);
            color: var(--text-hi);
            font-weight: 500;
            font-size: .875rem;
            border-radius: 12px;
            padding: 10px 20px;
            transition: all .2s ease;
            cursor: pointer;
        }

        .btn-secondary:hover {
            border-color: rgba(0,229,255,.5);
            color: var(--accent-signal);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .nav-link:focus-visible,
        .footer-link:focus-visible,
        .faq-item summary:focus-visible {
            outline: 2px solid var(--accent-signal);
            outline-offset: 2px;
        }

        /* ---------- Mobile Menu ---------- */
        .mobile-menu {
            position: fixed;
            inset: 0;
            z-index: 60;
            background: rgba(6, 13, 31, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2rem;
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu a {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-mid);
            transition: color .2s ease;
        }

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

        /* ---------- Hero ---------- */
        .replay-hero {
            min-height: 62vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: 120px;
            padding-bottom: 80px;
            background-size: cover;
            background-position: center;
        }

        .replay-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(6, 13, 31, 0.72);
            z-index: 1;
        }

        .replay-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(6,13,31,0) 55%, var(--bg-deep) 100%);
            z-index: 1;
        }

        .hero-point-grid {
            position: absolute;
            inset: 0;
            z-index: 1;
            background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
            background-size: 28px 28px;
            opacity: .35;
        }

        /* ---------- Glass Card ---------- */
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.35);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .glass-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0,0,0,0.45);
        }

        @supports not (backdrop-filter: blur(1px)) {
            .glass-card {
                background: rgba(8, 18, 40, 0.86);
            }
        }

        .media-zoom img {
            transition: transform .55s ease;
        }

        .media-zoom:hover img {
            transform: scale(1.05);
        }

        /* ---------- Badges ---------- */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .75rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 9999px;
            line-height: 1.4;
            white-space: nowrap;
        }

        .badge-live {
            color: var(--accent-live);
            background: rgba(255,61,90,.12);
            border: 1px solid rgba(255,61,90,.3);
        }

        .badge-gold {
            color: var(--accent-gold);
            background: rgba(245,184,28,.1);
            border: 1px solid rgba(245,184,28,.25);
        }

        .badge-muted {
            color: var(--text-mid);
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(255,255,255,.1);
        }

        .live-dot {
            position: relative;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-live);
            flex-shrink: 0;
        }

        .live-dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 1px solid var(--accent-live);
            animation: pulse-ring 1.5s cubic-bezier(.4,0,.6,1) infinite;
        }

        @keyframes pulse-ring {
            0% {
                transform: scale(.5);
                opacity: 1;
            }
            100% {
                transform: scale(1.3);
                opacity: 0;
            }
        }

        /* ---------- Tags ---------- */
        .tag {
            display: inline-flex;
            align-items: center;
            font-size: .75rem;
            padding: 2px 10px;
            border-radius: 9999px;
            border: 1px solid rgba(255,255,255,.14);
            color: var(--text-mid);
            background: rgba(255,255,255,.02);
            transition: border-color .2s, color .2s;
        }

        .tag-signal {
            color: var(--accent-signal);
            border-color: rgba(0,229,255,.3);
        }

        .tag-gold {
            color: var(--accent-gold);
            border-color: rgba(245,184,28,.3);
        }

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

        /* ---------- Section ---------- */
        .section-block {
            padding: 72px 0;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 48px 0;
            }
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 600;
            line-height: 1.3;
            letter-spacing: -.01em;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }

        .section-subtitle {
            font-size: .95rem;
            color: var(--text-mid);
            max-width: 560px;
            margin-top: 8px;
        }

        /* ---------- Feature Item ---------- */
        .feature-item {
            border-left: 1px solid rgba(255,255,255,.08);
            padding: 24px 0 24px 28px;
            position: relative;
        }

        .feature-item:nth-child(1) {
            border-left: none;
            padding-left: 0;
        }

        @media (max-width: 768px) {
            .feature-item {
                border-left: none;
                padding-left: 0;
                border-top: 1px solid rgba(255,255,255,.08);
                padding-top: 20px;
            }
        }

        /* ---------- FAQ ---------- */
        .faq-wrap {
            border-top: 1px solid rgba(255,255,255,.06);
        }

        .faq-item {
            border-bottom: 1px solid rgba(255,255,255,.06);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 4px;
            gap: 12px;
            font-weight: 500;
            transition: color .2s ease;
            position: relative;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--accent-signal);
        }

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

        .faq-item .fa-chevron-down {
            transition: transform .3s ease;
            font-size: .8rem;
            color: var(--text-low);
            flex-shrink: 0;
        }

        .faq-answer {
            padding: 0 4px 20px;
            color: var(--text-mid);
            line-height: 1.9;
            font-size: .95rem;
        }

        /* ---------- Form Input ---------- */
        .input-dark {
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(255,255,255,.16);
            border-radius: 12px;
            height: 48px;
            padding: 0 16px;
            color: var(--text-hi);
            transition: border-color .2s ease, box-shadow .2s ease;
            width: 100%;
        }

        .input-dark:focus {
            outline: none;
            border-color: var(--accent-signal);
            box-shadow: 0 0 12px rgba(0,229,255,.2);
        }

        .input-dark::placeholder {
            color: var(--text-low);
        }

        /* ---------- Footer ---------- */
        .footer-link {
            color: rgba(255,255,255,.48);
            font-size: .875rem;
            transition: color .2s ease;
        }

        .footer-link:hover {
            color: var(--accent-signal);
        }

        /* ---------- Subscribe Radar ---------- */
        .radar-ring {
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 1px solid rgba(0,229,255,.12);
            pointer-events: none;
        }

        .radar-ring::before,
        .radar-ring::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            border: 1px solid rgba(0,229,255,.08);
        }

        .radar-ring::before {
            inset: 24px;
        }

        .radar-ring::after {
            inset: 52px;
        }

        /* ---------- Feature Number ---------- */
        .feature-num {
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
            font-size: 2.5rem;
            font-weight: 700;
            color: rgba(0,229,255,.3);
            line-height: 1;
        }

        /* ---------- Statistic ---------- */
        .stat-card {
            text-align: center;
            padding: 28px 16px;
            border-radius: 16px;
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(255,255,255,.08);
        }

        .stat-num {
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-signal);
            font-variant-numeric: tabular-nums;
            letter-spacing: -.01em;
        }

        @media (min-width: 768px) {
            .stat-num {
                font-size: 2.5rem;
            }
        }

        /* ---------- Steps ---------- */
        .step-item {
            position: relative;
            padding: 20px 0 20px 56px;
        }

        .step-num {
            position: absolute;
            left: 0;
            top: 20px;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(0,229,255,.1);
            border: 1px solid rgba(0,229,255,.3);
            color: var(--accent-signal);
            font-weight: 600;
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
        }

/* roulang page: category3 */
:root {
            --bg-deep: #060D1F;
            --bg-panel: #0C1B33;
            --glass-bg: rgba(255, 255, 255, 0.07);
            --glass-border: rgba(255, 255, 255, 0.14);
            --accent-signal: #00E5FF;
            --accent-live: #FF3D5A;
            --accent-gold: #F5B81C;
            --text-hi: rgba(255, 255, 255, 0.92);
            --text-mid: rgba(255, 255, 255, 0.66);
            --text-low: rgba(255, 255, 255, 0.40);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-hi);
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', 'sans-serif';
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-main {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

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

        input {
            font-family: inherit;
        }

        .site-header {
            transition: background-color 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .site-header.scrolled {
            background-color: rgba(6, 13, 31, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }

        .nav-link {
            position: relative;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-mid);
            padding: 0.375rem 0;
            transition: color 0.3s ease;
            letter-spacing: 0.02em;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--accent-signal);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .nav-link:hover {
            color: var(--text-hi);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.5);
        }

        .nav-link.active {
            color: var(--accent-signal);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.375rem;
            background: linear-gradient(135deg, #00E5FF 0%, #67E8F9 100%);
            color: #06121f;
            font-weight: 600;
            border-radius: 12px;
            padding: 0.75rem 1.5rem;
            font-size: 0.95rem;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
            transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease;
        }

        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.55);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-signal);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.2);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.375rem;
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.20);
            color: var(--text-hi);
            font-weight: 500;
            border-radius: 12px;
            padding: 0.75rem 1.5rem;
            font-size: 0.95rem;
            transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

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

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

        @supports not (backdrop-filter: blur(16px)) {
            .glass-card,
            .btn-secondary {
                background: rgba(15, 30, 55, 0.85);
            }
        }

        .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: rgba(255, 61, 90, 0.15);
            border: 1px solid rgba(255, 61, 90, 0.35);
            color: #FF6B81;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
        }

        .badge-live .dot {
            width: 6px;
            height: 6px;
            border-radius: 999px;
            background: var(--accent-live);
            animation: pulse-dot 1.4s ease-in-out infinite;
        }

        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: rgba(245, 184, 28, 0.12);
            border: 1px solid rgba(245, 184, 28, 0.35);
            color: #F5B81C;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
        }

        .badge-gray {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: rgba(255, 255, 255, 0.50);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-signal);
            background: rgba(0, 229, 255, 0.06);
            border: 1px solid rgba(0, 229, 255, 0.15);
            padding: 0.3rem 1rem;
            border-radius: 999px;
        }

        .card-match {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            overflow: hidden;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .card-match:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
            border-color: rgba(0, 229, 255, 0.25);
        }

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

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

        .card-match:hover .cover-wrap img {
            transform: scale(1.05);
        }

        .card-match .cover-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(6, 13, 31, 0.10) 0%, rgba(6, 13, 31, 0.60) 100%);
            pointer-events: none;
        }

        .card-match .cover-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .stat-number {
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
            font-variant-numeric: tabular-nums;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-signal);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 3rem;
            }
        }

        .timeline-item {
            position: relative;
            padding-left: 2rem;
            padding-bottom: 2rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 0.5rem;
            top: 0.25rem;
            width: 2px;
            height: 100%;
            background: linear-gradient(to bottom, rgba(0, 229, 255, 0.4), rgba(255, 255, 255, 0.06));
        }

        .timeline-item:last-child::before {
            height: 50%;
        }

        .timeline-item .timeline-dot {
            position: absolute;
            left: 0.15rem;
            top: 0.4rem;
            width: 12px;
            height: 12px;
            background: var(--bg-deep);
            border: 2px solid var(--accent-signal);
            border-radius: 999px;
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
            z-index: 1;
        }

        .timeline-item.live .timeline-dot {
            border-color: var(--accent-live);
            box-shadow: 0 0 10px rgba(255, 61, 90, 0.5);
        }

        .features-grid .feature-item {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.5rem 0;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 1.25rem;
            align-items: start;
        }

        .features-grid .feature-item:first-child {
            border-top: none;
        }

        .features-grid .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(0, 229, 255, 0.10);
            border: 1px solid rgba(0, 229, 255, 0.18);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-signal);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .faq-details {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: border-color 0.3s ease;
        }

        .faq-details + .faq-details {
            margin-top: 0.75rem;
        }

        .faq-details[open] {
            border-color: rgba(0, 229, 255, 0.25);
        }

        .faq-details summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-hi);
            user-select: none;
            transition: color 0.2s ease;
        }

        .faq-details summary::-webkit-details-marker {
            display: none;
        }

        .faq-details summary:hover {
            color: var(--accent-signal);
        }

        .faq-details summary .icon {
            width: 28px;
            height: 28px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--text-mid);
            flex-shrink: 0;
            transition: transform 0.3s ease, color 0.3s ease, border-color 0.3s ease;
        }

        .faq-details[open] summary .icon {
            transform: rotate(45deg);
            color: var(--accent-signal);
            border-color: rgba(0, 229, 255, 0.3);
        }

        .faq-details .faq-body {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-mid);
            font-size: 0.9rem;
            line-height: 1.75;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 0.75rem;
            margin-top: -0.25rem;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.40);
            font-size: 0.875rem;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-link:hover {
            color: var(--accent-signal);
            padding-left: 4px;
        }

        .dot-grid-bg {
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 24px 24px;
        }

        .countdown-number {
            font-family: 'DIN Alternate', 'Roboto Mono', monospace;
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.04em;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.75);
            }
        }

        @keyframes radar-ring {
            0% {
                transform: scale(0.6);
                opacity: 0.6;
            }
            100% {
                transform: scale(1.6);
                opacity: 0;
            }
        }

        .radar-ring {
            position: relative;
        }

        .radar-ring::before,
        .radar-ring::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 80px;
            height: 80px;
            border: 1px solid rgba(0, 229, 255, 0.25);
            border-radius: 999px;
            transform: translate(-50%, -50%);
            pointer-events: none;
            animation: radar-ring 2.4s ease-out infinite;
        }

        .radar-ring::after {
            animation-delay: 1.2s;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 100%;
            max-width: 320px;
            height: 100dvh;
            background: rgba(6, 13, 31, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 100;
            flex-direction: column;
            padding: 2rem 1.75rem;
        }

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

        .mobile-menu-panel a {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-hi);
            padding: 0.9rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color 0.2s ease;
        }

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

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

        .hero-banner {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            isolation: isolate;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 13, 31, 0.72) 0%, rgba(6, 13, 31, 0.85) 100%);
            z-index: -1;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            right: 10%;
            bottom: -1px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }