/* roulang page: index */
:root {
            --bg-deep: #0B1220;
            --bg-panel: #0F172A;
            --bg-elevated: #111D35;
            --bg-glass: rgba(255, 255, 255, 0.06);
            --bg-glass-hover: rgba(255, 255, 255, 0.10);
            --border-glass: rgba(148, 163, 184, 0.18);
            --border-glass-light: rgba(148, 163, 184, 0.28);
            --text-primary: #F1F5F9;
            --text-secondary: #B6C2D4;
            --text-weak: #8A97AA;
            --brand-blue: #0EA5E9;
            --brand-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --radius-card: 18px;
            --radius-input: 14px;
            --radius-btn: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 50px rgba(14, 165, 233, 0.12);
            --shadow-glow-btn: 0 0 20px rgba(34, 211, 238, 0.55);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'ui-monospace', 'SF Mono', 'Roboto Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-base: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 4rem;
            --section-gap-mobile: 2.5rem;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 10% 20%, rgba(14, 165, 233, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 80%, rgba(34, 211, 238, 0.04) 0%, transparent 50%),
                linear-gradient(180deg, #0B1220 0%, #0F172A 100%);
        }

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

        a:hover {
            color: #67E8F9;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
        }

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

        ::selection {
            background: rgba(34, 211, 238, 0.28);
            color: #FFFFFF;
        }

        .container-ao {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 1200px) {
            .container-ao {
                padding-left: 2rem;
                padding-right: 2rem;
                max-width: 1320px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 18, 32, 0.82);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-glass);
            padding: 0.65rem 0;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.94);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: nowrap;
        }

        .brand-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #FFFFFF;
            flex-shrink: 0;
            box-shadow: 0 2px 14px rgba(34, 211, 238, 0.3);
        }

        .brand-logo:hover {
            color: #FFFFFF;
        }

        .header-search-wrap {
            flex: 1 1 auto;
            max-width: 520px;
            min-width: 160px;
            margin: 0 auto;
            position: relative;
        }

        .header-search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-weak);
            font-size: 0.95rem;
            pointer-events: none;
            z-index: 2;
        }

        .header-search-wrap input {
            width: 100%;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(148, 163, 184, 0.22);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-primary);
            padding: 0.55rem 1rem 0.55rem 2.6rem;
            font-size: 0.95rem;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

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

        .header-search-wrap input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
            background: rgba(255, 255, 255, 0.09);
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-shrink: 0;
        }

        .header-nav-links .nav-link-ao {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.45rem 0.85rem;
            border-radius: 999px;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .header-nav-links .nav-link-ao:hover,
        .header-nav-links .nav-link-ao:focus {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .header-nav-links .nav-link-ao.active {
            color: #FFFFFF;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.22), rgba(34, 211, 238, 0.18));
            box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.3);
        }

        .hamburger-btn {
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            color: var(--text-primary);
            width: 42px;
            height: 42px;
            display: none;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: var(--transition-base);
        }

        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-glass-light);
        }

        @media (max-width: 991.98px) {
            .header-nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .header-search-wrap {
                max-width: none;
                margin: 0;
                flex: 1 1 auto;
            }
        }

        @media (max-width: 575.98px) {
            .brand-logo {
                font-size: 1.05rem;
            }
            .brand-logo .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .header-search-wrap input {
                padding: 0.45rem 0.8rem 0.45rem 2.3rem;
                font-size: 0.88rem;
            }
            .header-search-wrap .search-icon {
                left: 12px;
                font-size: 0.85rem;
            }
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            max-width: 85vw;
            height: 100vh;
            background: rgba(15, 23, 42, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-left: 1px solid var(--border-glass);
            z-index: 1060;
            transition: right 0.32s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 2rem 1.5rem;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .drawer-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            color: var(--text-primary);
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: var(--transition-base);
        }

        .mobile-drawer .drawer-close:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        .mobile-drawer .mobile-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
            margin-top: 2rem;
        }

        .mobile-drawer .mobile-nav-list a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 12px;
            color: var(--text-secondary);
            font-weight: 500;
            transition: var(--transition-base);
        }

        .mobile-drawer .mobile-nav-list a:hover,
        .mobile-drawer .mobile-nav-list a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1055;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ========== Hero Section ========== */
        .hero-section {
            position: relative;
            padding: 4.5rem 0 3.5rem;
            overflow: hidden;
            border-bottom: 1px solid rgba(148, 163, 184, 0.12);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/224e4b2fea6b17e0.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
            filter: saturate(0.7);
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(11, 18, 32, 0.35) 0%, rgba(11, 18, 32, 0.88) 70%, rgba(11, 18, 32, 0.98) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 999px;
            padding: 0.35rem 1rem;
            font-size: 0.82rem;
            color: #67E8F9;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 1.2rem;
        }

        .hero-eyebrow .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .hero-title {
            font-size: clamp(2rem, 5vw, 2.9rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 1.1rem;
            color: #FFFFFF;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 1.8rem;
            line-height: 1.8;
        }

        .hero-query-box {
            max-width: 720px;
            margin: 0 auto 1.2rem;
            text-align: left;
        }

        .hero-query-box .query-label {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-bottom: 0.5rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .hero-query-form {
            display: flex;
            gap: 0.75rem;
            align-items: center;
        }

        .hero-query-form .query-input-wrap {
            flex: 1 1 auto;
            position: relative;
        }

        .hero-query-form .query-input-wrap .qi-icon {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-weak);
            font-size: 1rem;
            pointer-events: none;
        }

        .hero-query-form input {
            width: 100%;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(148, 163, 184, 0.25);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            color: var(--text-primary);
            padding: 0.85rem 1.2rem 0.85rem 3rem;
            font-size: 1rem;
            transition: var(--transition-base);
        }

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

        .hero-query-form input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.18);
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            border: none;
            border-radius: var(--radius-btn);
            color: #FFFFFF;
            font-weight: 600;
            padding: 0.88rem 1.7rem;
            font-size: 0.95rem;
            white-space: nowrap;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 4px 18px rgba(14, 165, 233, 0.3);
            letter-spacing: 0.02em;
        }

        .btn-glow:hover {
            box-shadow: var(--shadow-glow-btn);
            transform: translateY(-1px);
            color: #FFFFFF;
        }

        .btn-glow:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(14, 165, 233, 0.25);
        }

        .hero-hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            align-items: center;
            margin-top: 0.8rem;
        }

        .hero-hot-tags .tag-label {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-right: 0.3rem;
        }

        .hero-hot-tags .tag-chip {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(148, 163, 184, 0.22);
            border-radius: 999px;
            padding: 0.35rem 0.95rem;
            font-size: 0.82rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
            cursor: default;
        }

        .hero-hot-tags .tag-chip:hover {
            background: rgba(34, 211, 238, 0.12);
            border-color: rgba(34, 211, 238, 0.35);
            color: #67E8F9;
        }

        .hero-data-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin-top: 2rem;
        }

        .hero-data-item {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 0.8rem 1.5rem;
            text-align: center;
            min-width: 120px;
            transition: var(--transition-base);
        }

        .hero-data-item:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            transform: translateY(-2px);
        }

        .hero-data-item .hd-num {
            font-family: var(--font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--brand-cyan);
            line-height: 1.2;
        }

        .hero-data-item .hd-label {
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-top: 0.2rem;
        }

        @media (max-width: 575.98px) {
            .hero-section {
                padding: 3rem 0 2.5rem;
            }
            .hero-query-form {
                flex-direction: column;
            }
            .hero-query-form .query-input-wrap {
                width: 100%;
            }
            .hero-query-form .btn-glow {
                width: 100%;
            }
            .hero-data-strip {
                gap: 0.6rem;
            }
            .hero-data-item {
                min-width: 80px;
                padding: 0.6rem 1rem;
            }
            .hero-data-item .hd-num {
                font-size: 1.1rem;
            }
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-block.alt-bg {
            background: rgba(15, 23, 42, 0.65);
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            border-bottom: 1px solid rgba(148, 163, 184, 0.1);
        }

        .section-heading {
            margin-bottom: 2.5rem;
        }

        .section-heading .section-eyebrow {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--brand-cyan);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
        }

        .section-heading h2 {
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.8rem;
            line-height: 1.35;
        }

        .section-heading .section-desc {
            color: var(--text-secondary);
            max-width: 720px;
            font-size: 0.98rem;
            line-height: 1.8;
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: var(--section-gap-mobile) 0;
            }
        }

        /* ========== Glass Cards ========== */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
            opacity: 0.7;
        }

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

        .glass-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(34, 211, 238, 0.15));
            border: 1px solid rgba(34, 211, 238, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #67E8F9;
            margin-bottom: 1rem;
        }

        .glass-card h3 {
            font-size: 1.12rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.65rem;
            line-height: 1.4;
        }

        .glass-card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-bottom: 0.75rem;
        }

        .glass-card .card-link {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--brand-cyan);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: var(--transition-base);
        }

        .glass-card .card-link:hover {
            color: #67E8F9;
            gap: 0.55rem;
        }

        .glass-card .card-img-wrap {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 1rem;
            border: 1px solid rgba(148, 163, 184, 0.15);
        }

        .glass-card .card-img-wrap img {
            border-radius: 12px;
            transition: var(--transition-base);
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .glass-card:hover .card-img-wrap img {
            transform: scale(1.03);
        }

        /* ========== Data Tables / Score Cards ========== */
        .score-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(148, 163, 184, 0.12);
            border-radius: 14px;
            padding: 0.85rem 1.2rem;
            margin-bottom: 0.75rem;
            transition: var(--transition-base);
            gap: 0.8rem;
            flex-wrap: wrap;
        }

        .score-row:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(34, 211, 238, 0.28);
        }

        .score-row .sr-time {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--text-weak);
            min-width: 60px;
        }

        .score-row .sr-teams {
            flex: 1 1 auto;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 500;
            color: var(--text-primary);
            font-size: 0.95rem;
            min-width: 140px;
        }

        .score-row .sr-score {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            background: rgba(14, 165, 233, 0.15);
            border: 1px solid rgba(34, 211, 238, 0.25);
            border-radius: 10px;
            padding: 0.25rem 0.7rem;
            letter-spacing: 0.05em;
            min-width: 70px;
            text-align: center;
        }

        .score-row .sr-status {
            font-size: 0.78rem;
            color: var(--accent-green);
            font-weight: 500;
            min-width: 55px;
            text-align: right;
        }

        .score-row .sr-status.live {
            color: var(--accent-amber);
        }

        .score-row .sr-status.pending {
            color: var(--text-weak);
        }

        /* ========== Badge / Chip ========== */
        .badge-ao {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            border-radius: 999px;
            padding: 0.3rem 0.85rem;
            font-size: 0.76rem;
            font-weight: 500;
            background: rgba(14, 165, 233, 0.13);
            border: 1px solid rgba(14, 165, 233, 0.32);
            color: #67E8F9;
        }

        .badge-ao.amber {
            background: rgba(245, 158, 11, 0.12);
            border-color: rgba(245, 158, 11, 0.35);
            color: #FCD34D;
        }

        .badge-ao.green {
            background: rgba(52, 211, 153, 0.12);
            border-color: rgba(52, 211, 153, 0.35);
            color: #6EE7B7;
        }

        .badge-ao.red {
            background: rgba(248, 113, 113, 0.12);
            border-color: rgba(248, 113, 113, 0.35);
            color: #FCA5A5;
        }

        /* ========== Buttons ========== */
        .btn-outline-ao {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            border: 1px solid rgba(34, 211, 238, 0.4);
            border-radius: var(--radius-btn);
            color: #67E8F9;
            font-weight: 500;
            padding: 0.65rem 1.4rem;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-outline-ao:hover {
            background: rgba(34, 211, 238, 0.1);
            border-color: rgba(34, 211, 238, 0.6);
            color: #A5F3FC;
            transform: translateY(-1px);
        }

        .btn-outline-ao:active {
            transform: translateY(0);
        }

        /* ========== Pricing Cards ========== */
        .pricing-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 2rem 1.8rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .pricing-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .pricing-card.featured {
            background: rgba(14, 165, 233, 0.08);
            border-color: rgba(34, 211, 238, 0.4);
        }

        .pricing-card .pc-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            border-radius: 999px;
            padding: 0.3rem 1.1rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: #FFFFFF;
            white-space: nowrap;
            box-shadow: 0 2px 14px rgba(14, 165, 233, 0.4);
        }

        .pricing-card .pc-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.6rem;
        }

        .pricing-card .pc-price {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-cyan);
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .pricing-card .pc-price .pc-period {
            font-size: 0.9rem;
            color: var(--text-weak);
            font-weight: 400;
        }

        .pricing-card .pc-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1.2rem;
            flex: 1 1 auto;
        }

        .pricing-card .pc-features {
            list-style: none;
            margin: 0 0 1.5rem;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .pricing-card .pc-features li {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .pricing-card .pc-features li .fi {
            color: var(--accent-green);
            flex-shrink: 0;
            margin-top: 2px;
            font-size: 0.85rem;
        }

        /* ========== Testimonial ========== */
        .testimonial-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            height: 100%;
            transition: var(--transition-base);
            position: relative;
        }

        .testimonial-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            transform: translateY(-2px);
        }

        .testimonial-card .tc-quote {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .testimonial-card .tc-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .testimonial-card .tc-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.3), rgba(34, 211, 238, 0.2));
            border: 1px solid rgba(34, 211, 238, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #67E8F9;
            font-weight: 600;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .tc-name {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-card .tc-source {
            font-size: 0.75rem;
            color: var(--text-weak);
        }

        .tc-stars {
            color: var(--accent-amber);
            font-size: 0.8rem;
            letter-spacing: 0.1em;
            margin-bottom: 0.6rem;
        }

        /* ========== News List ========== */
        .news-item {
            display: flex;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.12);
            transition: var(--transition-base);
        }

        .news-item:hover {
            padding-left: 0.5rem;
            border-bottom-color: rgba(34, 211, 238, 0.3);
        }

        .news-item .ni-date {
            font-family: var(--font-mono);
            font-size: 0.78rem;
            color: var(--text-weak);
            min-width: 85px;
            flex-shrink: 0;
        }

        .news-item .ni-content {
            flex: 1 1 auto;
        }

        .news-item .ni-title {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
            line-height: 1.5;
        }

        .news-item:hover .ni-title {
            color: #67E8F9;
        }

        .news-item .ni-meta {
            font-size: 0.78rem;
            color: var(--text-weak);
        }

        /* ========== Brand Intro ========== */
        .brand-intro-section {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.06) 0%, rgba(15, 23, 42, 0.8) 60%, rgba(34, 211, 238, 0.04) 100%);
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            border-bottom: 1px solid rgba(148, 163, 184, 0.1);
        }

        .brand-intro-content {
            max-width: 860px;
        }

        .brand-intro-content p {
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 1.2rem;
            font-size: 0.98rem;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            margin-bottom: 0.9rem;
            overflow: hidden;
            transition: var(--transition-base);
        }

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

        .faq-item .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.98rem;
            text-align: left;
            transition: var(--transition-base);
        }

        .faq-item .faq-question:hover {
            color: #67E8F9;
        }

        .faq-item .faq-question .fq-icon {
            flex-shrink: 0;
            font-size: 0.9rem;
            color: var(--brand-cyan);
            transition: transform 0.3s ease;
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .faq-item .faq-answer-inner {
            padding-bottom: 1.3rem;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 0.2rem;
        }

        .faq-item.active .faq-question .fq-icon {
            transform: rotate(180deg);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            text-align: center;
            padding: 3.5rem 0;
        }

        .cta-section .cta-inner {
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(34, 211, 238, 0.2);
            border-radius: 28px;
            padding: 3rem 2rem;
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-inner::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            font-size: 0.98rem;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        .cta-section .btn-glow {
            position: relative;
            z-index: 1;
            padding: 1rem 2.4rem;
            font-size: 1rem;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: rgba(5, 10, 20, 0.8);
            border-top: 1px solid rgba(148, 163, 184, 0.12);
            padding: 3rem 0 1.8rem;
            margin-top: 2rem;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #FFFFFF;
        }

        .footer-desc {
            color: var(--text-weak);
            font-size: 0.86rem;
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 1.5rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.7rem 1.5rem;
            margin-bottom: 1.5rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.84rem;
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: #67E8F9;
        }

        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            padding-top: 1.4rem;
            margin-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.5rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--text-weak);
        }

        .footer-bottom .fb-left {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .footer-bottom .fb-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.2rem;
        }

        .footer-bottom .fb-links a {
            color: var(--text-weak);
            font-size: 0.78rem;
            transition: var(--transition-base);
        }

        .footer-bottom .fb-links a:hover {
            color: #67E8F9;
        }

        @media (max-width: 767.98px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }
        }

        /* ========== Feature Bento Layout ========== */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 1.5rem;
        }

        .bento-card {
            grid-column: span 4;
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .bento-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .bento-card.span-6 {
            grid-column: span 6;
        }

        .bento-card.span-8 {
            grid-column: span 8;
        }

        .bento-card.span-12 {
            grid-column: span 12;
        }

        .bento-card .bc-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
        }

        .bento-card .bc-title {
            font-size: 1rem;
            font-weight: 600;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 0.55rem;
        }

        .bento-card .bc-title .bci {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(34, 211, 238, 0.15));
            border: 1px solid rgba(34, 211, 238, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #67E8F9;
        }

        .bento-card .bc-content {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .bento-card .bc-img {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 1rem;
            border: 1px solid rgba(148, 163, 184, 0.15);
        }

        .bento-card .bc-img img {
            border-radius: 12px;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: var(--transition-base);
        }

        .bento-card:hover .bc-img img {
            transform: scale(1.03);
        }

        @media (max-width: 991.98px) {
            .bento-card,
            .bento-card.span-6,
            .bento-card.span-8 {
                grid-column: span 6;
            }
        }

        @media (max-width: 767.98px) {
            .bento-card,
            .bento-card.span-6,
            .bento-card.span-8,
            .bento-card.span-12 {
                grid-column: span 12;
            }
            .bento-grid {
                gap: 1rem;
            }
        }

        /* ========== Scenario List ========== */
        .scenario-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }

        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(148, 163, 184, 0.12);
            border-radius: 14px;
            padding: 1rem 1.25rem;
            transition: var(--transition-base);
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .scenario-list li:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(34, 211, 238, 0.3);
        }

        .scenario-list li .sl-icon {
            flex-shrink: 0;
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: rgba(14, 165, 233, 0.13);
            border: 1px solid rgba(14, 165, 233, 0.28);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #67E8F9;
        }

        /* ========== Steps ========== */
        .steps-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
        }

        .step-item {
            flex: 1 1 200px;
            min-width: 180px;
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 1.4rem;
            position: relative;
            transition: var(--transition-base);
        }

        .step-item:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            transform: translateY(-2px);
        }

        .step-item .step-num {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-cyan);
            margin-bottom: 0.5rem;
            line-height: 1;
        }

        .step-item .step-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
        }

        .step-item .step-desc {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== Custom Row Gutter ========== */
        .row-ao {
            --bs-gutter-x: 1.5rem;
            --bs-gutter-y: 1.5rem;
        }

        @media (min-width: 1200px) {
            .row-ao {
                --bs-gutter-x: 2rem;
                --bs-gutter-y: 2rem;
            }
        }

        /* Content spacing helpers */
        .mt-ao { margin-top: 2rem; }
        .mb-ao { margin-bottom: 2rem; }

        @media (max-width: 575.98px) {
            .mt-ao { margin-top: 1.25rem; }
            .mb-ao { margin-bottom: 1.25rem; }
        }

        /* Smooth section transitions */
        .section-block {
            animation: fadeInUp 0.6s ease both;
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(16px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Mono number styling */
        .mono-num {
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
        }

        /* Intro text for Hero subtitle */
        .hero-subtitle strong {
            color: #FFFFFF;
            font-weight: 600;
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0B1220;
            --bg-panel: #0F172A;
            --bg-elevated: #111D35;
            --bg-glass: rgba(255, 255, 255, 0.06);
            --bg-glass-hover: rgba(255, 255, 255, 0.10);
            --border-glass: rgba(148, 163, 184, 0.18);
            --border-glass-light: rgba(148, 163, 184, 0.28);
            --text-primary: #F1F5F9;
            --text-secondary: #B6C2D4;
            --text-weak: #8A97AA;
            --brand-blue: #0EA5E9;
            --brand-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --radius-card: 18px;
            --radius-input: 14px;
            --radius-btn: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 50px rgba(14, 165, 233, 0.12);
            --shadow-glow-btn: 0 0 20px rgba(34, 211, 238, 0.55);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'ui-monospace', 'SF Mono', 'Roboto Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-base: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 4rem;
            --section-gap-mobile: 2.5rem;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 10% 20%, rgba(14, 165, 233, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 80%, rgba(34, 211, 238, 0.04) 0%, transparent 50%),
                linear-gradient(180deg, #0B1220 0%, #0F172A 100%);
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: #67E8F9;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-ao {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 18, 32, 0.82);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-glass);
            padding: 0.65rem 0;
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.94);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: nowrap;
        }
        .brand-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }
        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #FFFFFF;
            flex-shrink: 0;
            box-shadow: 0 2px 14px rgba(34, 211, 238, 0.3);
        }
        .brand-logo:hover {
            color: #FFFFFF;
        }
        .header-search-wrap {
            flex: 1 1 auto;
            max-width: 520px;
            min-width: 160px;
            margin: 0 auto;
            position: relative;
        }
        .header-search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-weak);
            font-size: 0.95rem;
            pointer-events: none;
            z-index: 2;
        }
        .header-search-wrap input {
            width: 100%;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(148, 163, 184, 0.22);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-primary);
            padding: 0.55rem 1rem 0.55rem 2.6rem;
            font-size: 0.95rem;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .header-search-wrap input::placeholder {
            color: var(--text-weak);
        }
        .header-search-wrap input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
            background: rgba(255, 255, 255, 0.09);
        }
        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            flex-shrink: 0;
            flex-wrap: nowrap;
        }
        .nav-link-ao {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-btn);
            font-size: 0.86rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }
        .nav-link-ao:hover {
            color: var(--text-primary);
            background: var(--bg-glass);
            border-color: var(--border-glass);
        }
        .nav-link-ao.active {
            color: var(--brand-cyan);
            background: rgba(34, 211, 238, 0.08);
            border-color: rgba(34, 211, 238, 0.25);
            font-weight: 600;
        }
        .hamburger-btn {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            cursor: pointer;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .hamburger-btn:hover {
            background: var(--bg-glass);
            border-color: var(--border-glass-light);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-ao {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            padding: 1.2rem 0 0.6rem;
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        .breadcrumb-ao a {
            color: var(--text-weak);
            transition: var(--transition-base);
        }
        .breadcrumb-ao a:hover {
            color: var(--brand-cyan);
        }
        .breadcrumb-ao .sep {
            color: var(--text-weak);
            opacity: 0.5;
        }
        .breadcrumb-ao .current {
            color: var(--text-secondary);
        }

        /* ========== Page Header (Category H1) ========== */
        .page-head-ao {
            padding: 1.5rem 0 2.5rem;
            border-bottom: 1px solid var(--border-glass);
            margin-bottom: 2.5rem;
        }
        .page-head-ao h1 {
            font-size: clamp(1.85rem, 4vw, 2.6rem);
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.01em;
            margin-bottom: 0.75rem;
        }
        .page-head-ao .sub-lead {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }
        .page-head-ao .head-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 1rem;
            font-size: 0.82rem;
            color: var(--text-weak);
        }
        .page-head-ao .head-meta .badge-dot {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 0.75rem;
            border-radius: var(--radius-btn);
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
        }
        .head-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
            flex-shrink: 0;
        }

        /* ========== Filter Bar ========== */
        .filter-bar-ao {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            padding: 1rem 1.25rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            margin-bottom: 1.75rem;
        }
        .filter-bar-ao .filter-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .filter-bar-ao .filter-label {
            font-size: 0.82rem;
            color: var(--text-weak);
            white-space: nowrap;
        }
        .filter-bar-ao select,
        .filter-bar-ao input[type="text"],
        .filter-bar-ao input[type="date"] {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-input);
            color: var(--text-primary);
            padding: 0.45rem 0.85rem;
            font-size: 0.85rem;
            min-width: 120px;
            transition: var(--transition-base);
        }
        .filter-bar-ao select:focus,
        .filter-bar-ao input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
        }
        .filter-bar-ao select option {
            background: var(--bg-elevated);
            color: var(--text-primary);
        }
        .filter-btn-ao {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1.2rem;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.85rem;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .filter-btn-ao:hover {
            box-shadow: var(--shadow-glow-btn);
            transform: translateY(-1px);
            color: #FFFFFF;
        }

        /* ========== Fixture Timeline ========== */
        .fixture-section {
            margin-bottom: var(--section-gap);
        }
        .section-title-ao {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }
        .section-title-ao h2 {
            font-size: clamp(1.3rem, 2.5vw, 1.7rem);
            font-weight: 600;
            color: #FFFFFF;
            letter-spacing: 0.01em;
        }
        .section-title-ao .title-tag {
            font-size: 0.75rem;
            color: var(--brand-cyan);
            background: rgba(34, 211, 238, 0.08);
            border: 1px solid rgba(34, 211, 238, 0.2);
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-btn);
            white-space: nowrap;
        }
        .fixture-day-group {
            margin-bottom: 1.75rem;
        }
        .fixture-day-label {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.9rem;
        }
        .fixture-day-label .date-badge {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 0.3rem 0.75rem;
            font-family: var(--font-mono);
            font-size: 0.82rem;
            color: var(--brand-cyan);
        }
        .fixture-day-label .day-count {
            font-size: 0.78rem;
            color: var(--text-weak);
            font-weight: 400;
        }
        .fixture-card-ao {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.25rem;
            padding: 1.1rem 1.4rem;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 0.75rem;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .fixture-card-ao::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.35), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }
        .fixture-card-ao:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .fixture-card-ao:hover::before {
            opacity: 1;
        }
        .fixture-time {
            font-family: var(--font-mono);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            min-width: 52px;
            text-align: center;
        }
        .fixture-league {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.04);
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-btn);
            white-space: nowrap;
        }
        .fixture-league i {
            font-size: 0.7rem;
            color: var(--accent-amber);
        }
        .fixture-matchup {
            flex: 1 1 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            min-width: 200px;
            text-align: center;
        }
        .fixture-matchup .team-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        .fixture-matchup .vs-badge {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.08);
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(245, 158, 11, 0.2);
        }
        .fixture-matchup .score-ao {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1.1rem;
            color: #FFFFFF;
            background: rgba(14, 165, 233, 0.1);
            padding: 0.25rem 0.85rem;
            border-radius: 10px;
            border: 1px solid rgba(14, 165, 233, 0.2);
        }
        .fixture-status {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-btn);
            white-space: nowrap;
        }
        .status-upcoming {
            color: var(--brand-cyan);
            background: rgba(34, 211, 238, 0.08);
            border: 1px solid rgba(34, 211, 238, 0.2);
        }
        .status-live {
            color: var(--accent-red);
            background: rgba(248, 113, 113, 0.08);
            border: 1px solid rgba(248, 113, 113, 0.25);
            animation: pulse-live 1.8s infinite;
        }
        .status-ended {
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
        }
        @keyframes pulse-live {
            0%, 100% { box-shadow: 0 0 0 0 rgba(248, 113, 113, 0.3); }
            50% { box-shadow: 0 0 0 6px rgba(248, 113, 113, 0); }
        }
        .fixture-action {
            flex-shrink: 0;
        }
        .btn-outline-ao {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 1.1rem;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(34, 211, 238, 0.35);
            color: var(--brand-cyan);
            background: transparent;
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-outline-ao:hover {
            background: rgba(34, 211, 238, 0.08);
            border-color: var(--brand-cyan);
            color: #67E8F9;
            box-shadow: 0 0 14px rgba(34, 211, 238, 0.2);
        }

        /* ========== Highlight Fixtures ========== */
        .highlight-section {
            margin-bottom: var(--section-gap);
            padding: 2.25rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: 22px;
        }
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.25rem;
        }
        .highlight-card {
            padding: 1.5rem;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .highlight-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .highlight-card .hl-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .highlight-card .hl-league {
            font-size: 0.78rem;
            color: var(--accent-amber);
            font-weight: 600;
        }
        .highlight-card .hl-date {
            font-family: var(--font-mono);
            font-size: 0.78rem;
            color: var(--text-weak);
        }
        .highlight-card .hl-teams {
            font-size: 1.05rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
        }
        .highlight-card .hl-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0.9rem;
        }
        .highlight-card .hl-stats {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .hl-stats .stat-pill {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--brand-cyan);
            background: rgba(14, 165, 233, 0.08);
            border-radius: var(--radius-btn);
            padding: 0.25rem 0.7rem;
        }

        /* ========== League Coverage ========== */
        .coverage-section {
            margin-bottom: var(--section-gap);
        }
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        .coverage-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 1.2rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            transition: var(--transition-base);
            cursor: default;
        }
        .coverage-item:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .coverage-item .cov-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(34, 211, 238, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-cyan);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .coverage-item .cov-name {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-primary);
        }
        .coverage-item .cov-count {
            font-family: var(--font-mono);
            font-size: 0.72rem;
            color: var(--text-weak);
            margin-left: auto;
            white-space: nowrap;
        }

        /* ========== Tool Entrance ========== */
        .tool-entrance-section {
            margin-bottom: var(--section-gap);
            padding: 2.25rem;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.04), rgba(34, 211, 238, 0.02));
            border: 1px solid var(--border-glass);
            border-radius: 22px;
        }
        .tool-entrance-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1rem;
        }
        .tool-entry-card {
            padding: 1.25rem;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .tool-entry-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .tool-entry-card .te-icon {
            font-size: 1.3rem;
            color: var(--brand-cyan);
        }
        .tool-entry-card .te-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: #FFFFFF;
        }
        .tool-entry-card .te-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== News List ========== */
        .news-section-ao {
            margin-bottom: var(--section-gap);
        }
        .news-list-ao {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .news-item-ao {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.9rem 1.1rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            transition: var(--transition-base);
        }
        .news-item-ao:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            transform: translateX(4px);
            box-shadow: var(--shadow-card-hover);
        }
        .news-item-ao .news-thumb {
            width: 70px;
            height: 50px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-item-ao .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 10px;
        }
        .news-item-ao .news-content {
            flex: 1 1 auto;
        }
        .news-item-ao .news-title {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 0.2rem;
            line-height: 1.5;
        }
        .news-item-ao:hover .news-title {
            color: #67E8F9;
        }
        .news-item-ao .news-meta {
            font-size: 0.75rem;
            color: var(--text-weak);
            display: flex;
            gap: 0.75rem;
        }
        .news-item-ao .news-meta .tag-news {
            color: var(--accent-amber);
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-section-ao {
            margin-bottom: var(--section-gap);
            padding: 2.5rem;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(34, 211, 238, 0.04));
            border: 1px solid rgba(34, 211, 238, 0.2);
            border-radius: 22px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: space-between;
        }
        .subscribe-section-ao .sub-text h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
        }
        .subscribe-section-ao .sub-text p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            max-width: 480px;
        }
        .subscribe-form-ao {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form-ao input {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-btn);
            color: var(--text-primary);
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            min-width: 220px;
            transition: var(--transition-base);
        }
        .subscribe-form-ao input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
        }
        .btn-glow-ao {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-glow-ao:hover {
            box-shadow: var(--shadow-glow-btn);
            transform: translateY(-1px);
            color: #FFFFFF;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: rgba(11, 18, 32, 0.9);
            border-top: 1px solid var(--border-glass);
            padding: 3rem 0 1.5rem;
            margin-top: var(--section-gap);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
        }
        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .footer-desc {
            font-size: 0.87rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 380px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }
        .footer-links a {
            font-size: 0.87rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--brand-cyan);
        }
        .footer-bottom {
            margin-top: 2rem;
            padding-top: 1.25rem;
            border-top: 1px solid var(--border-glass);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.78rem;
            color: var(--text-weak);
        }
        .footer-bottom .fb-left {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .footer-bottom .fb-links {
            display: flex;
            gap: 1rem;
        }
        .footer-bottom .fb-links a {
            color: var(--text-weak);
            font-size: 0.78rem;
        }
        .footer-bottom .fb-links a:hover {
            color: var(--brand-cyan);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1200px) {
            .container-ao {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
            .header-nav-links {
                gap: 0;
            }
            .nav-link-ao {
                padding: 0.4rem 0.65rem;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 992px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .header-search-wrap {
                max-width: 320px;
            }
            .header-nav-links {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .header-nav-links::-webkit-scrollbar {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .header-nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(11, 18, 32, 0.96);
                backdrop-filter: blur(22px);
                -webkit-backdrop-filter: blur(22px);
                border-bottom: 1px solid var(--border-glass);
                padding: 0.75rem 1.5rem;
                flex-direction: column;
                align-items: stretch;
                gap: 0.25rem;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
                z-index: 1040;
            }
            .header-nav-links.open {
                display: flex;
            }
            .nav-link-ao {
                padding: 0.7rem 1rem;
                font-size: 0.9rem;
                border-radius: 10px;
            }
            .fixture-matchup {
                min-width: 150px;
                gap: 0.6rem;
            }
            .fixture-card-ao {
                gap: 0.75rem;
                padding: 0.9rem 1.1rem;
            }
            .highlight-section,
            .tool-entrance-section,
            .subscribe-section-ao {
                padding: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .container-ao {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .header-search-wrap {
                max-width: 100%;
                flex: 1 1 100%;
                order: 3;
                margin-top: 0.5rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .header-nav-links {
                padding: 0.6rem 1rem;
            }
            .page-head-ao h1 {
                font-size: 1.6rem;
            }
            .fixture-card-ao {
                flex-direction: column;
                align-items: stretch;
                gap: 0.6rem;
                padding: 1rem;
            }
            .fixture-matchup {
                min-width: auto;
                justify-content: center;
            }
            .fixture-time {
                text-align: left;
                min-width: auto;
            }
            .fixture-action {
                align-self: flex-end;
            }
            .filter-bar-ao {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-bar-ao .filter-group {
                flex-wrap: wrap;
            }
            .filter-bar-ao select,
            .filter-bar-ao input[type="text"],
            .filter-bar-ao input[type="date"] {
                flex: 1 1 100%;
                min-width: 100%;
            }
            .subscribe-section-ao {
                flex-direction: column;
                align-items: stretch;
                text-align: left;
            }
            .subscribe-form-ao {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form-ao input {
                min-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .footer-bottom .fb-left {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.3rem;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .coverage-grid {
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-gap: 2.5rem;
            }
            .container-ao {
                padding-left: 0.85rem;
                padding-right: 0.85rem;
            }
            .page-head-ao {
                padding: 1rem 0 1.5rem;
                margin-bottom: 1.5rem;
            }
            .page-head-ao h1 {
                font-size: 1.4rem;
            }
            .page-head-ao .sub-lead {
                font-size: 0.92rem;
            }
            .section-title-ao h2 {
                font-size: 1.2rem;
            }
            .fixture-card-ao {
                border-radius: 14px;
            }
            .highlight-section,
            .tool-entrance-section,
            .subscribe-section-ao {
                padding: 1.1rem;
                border-radius: 16px;
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }
            .coverage-item {
                padding: 0.7rem 0.85rem;
                gap: 0.5rem;
            }
            .coverage-item .cov-name {
                font-size: 0.78rem;
            }
            .news-item-ao .news-thumb {
                width: 55px;
                height: 40px;
            }
            .news-item-ao {
                padding: 0.7rem 0.8rem;
                gap: 0.7rem;
            }
            .news-item-ao .news-title {
                font-size: 0.82rem;
            }
            .site-footer {
                padding: 2rem 0 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0B1220;
            --bg-panel: #0F172A;
            --bg-elevated: #111D35;
            --bg-glass: rgba(255, 255, 255, 0.06);
            --bg-glass-hover: rgba(255, 255, 255, 0.10);
            --border-glass: rgba(148, 163, 184, 0.18);
            --border-glass-light: rgba(148, 163, 184, 0.28);
            --text-primary: #F1F5F9;
            --text-secondary: #B6C2D4;
            --text-weak: #8A97AA;
            --brand-blue: #0EA5E9;
            --brand-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --radius-card: 18px;
            --radius-input: 14px;
            --radius-btn: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 50px rgba(14, 165, 233, 0.12);
            --shadow-glow-btn: 0 0 20px rgba(34, 211, 238, 0.55);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'ui-monospace', 'SF Mono', 'Roboto Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-base: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 3.5rem;
            --section-gap-mobile: 2rem;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 10% 20%, rgba(14, 165, 233, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 80%, rgba(34, 211, 238, 0.04) 0%, transparent 50%),
                linear-gradient(180deg, #0B1220 0%, #0F172A 100%);
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: #67E8F9;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
        }

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

        .container-ao {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 18, 32, 0.82);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-glass);
            padding: 0.65rem 0;
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.94);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: nowrap;
            position: relative;
        }
        .brand-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }
        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #FFFFFF;
            flex-shrink: 0;
            box-shadow: 0 2px 14px rgba(34, 211, 238, 0.3);
        }
        .brand-logo:hover {
            color: #FFFFFF;
        }
        .header-search-wrap {
            flex: 1 1 auto;
            max-width: 500px;
            min-width: 140px;
            margin: 0 auto;
            position: relative;
        }
        .header-search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-weak);
            font-size: 0.95rem;
            pointer-events: none;
            z-index: 2;
        }
        .header-search-wrap input {
            width: 100%;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(148, 163, 184, 0.22);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-primary);
            padding: 0.55rem 1rem 0.55rem 2.6rem;
            font-size: 0.95rem;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .header-search-wrap input::placeholder {
            color: var(--text-weak);
        }
        .header-search-wrap input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-shrink: 0;
        }
        .nav-link-ao {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-link-ao:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.07);
        }
        .nav-link-ao.active {
            color: #FFFFFF;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.25), rgba(34, 211, 238, 0.18));
            border: 1px solid rgba(34, 211, 238, 0.35);
            box-shadow: 0 0 14px rgba(34, 211, 238, 0.15);
        }

        .mobile-toggle {
            display: none;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(148, 163, 184, 0.22);
            border-radius: 10px;
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-ao {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0 0 0.5rem 0;
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        .breadcrumb-ao li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .breadcrumb-ao li:not(:last-child)::after {
            content: '/';
            color: var(--text-weak);
            font-size: 0.75rem;
        }
        .breadcrumb-ao a {
            color: var(--text-weak);
        }
        .breadcrumb-ao a:hover {
            color: var(--brand-cyan);
        }
        .breadcrumb-ao .current {
            color: var(--brand-cyan);
            font-weight: 500;
        }

        /* ========== Category Page Header ========== */
        .category-page-header {
            padding: 2.5rem 0 1.5rem;
            border-bottom: 1px solid var(--border-glass);
            margin-bottom: 2.5rem;
            background: linear-gradient(180deg, rgba(14, 165, 233, 0.04) 0%, transparent 100%);
        }
        .category-page-header h1 {
            font-size: 2.1rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }
        .category-page-header .category-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.8;
        }

        /* ========== Filter Bar ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 0.85rem 1.25rem;
            margin-bottom: 1.5rem;
        }
        .filter-bar .filter-label {
            font-size: 0.82rem;
            color: var(--text-weak);
            font-weight: 500;
            margin-right: 0.25rem;
        }
        .filter-bar select,
        .filter-bar .status-tabs {
            border-radius: var(--radius-btn);
        }
        .filter-bar select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(148, 163, 184, 0.22);
            color: var(--text-primary);
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23B6C2D4' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 0.8rem center;
            padding-right: 2.2rem;
            cursor: pointer;
        }
        .filter-bar select:focus {
            outline: none;
            border-color: var(--brand-cyan);
        }
        .status-tabs {
            display: flex;
            gap: 0.25rem;
        }
        .status-tab {
            padding: 0.35rem 0.8rem;
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            color: var(--text-secondary);
            border: 1px solid transparent;
            background: transparent;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .status-tab:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.07);
        }
        .status-tab.active {
            color: #FFFFFF;
            background: rgba(14, 165, 233, 0.22);
            border-color: rgba(34, 211, 238, 0.35);
        }

        /* ========== Score Cards ========== */
        .score-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.15rem 1.35rem;
            margin-bottom: 1rem;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
            box-shadow: 0 2px 14px rgba(0, 0, 0, 0.2);
        }
        .score-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
        }
        .score-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .score-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            margin-bottom: 0.85rem;
            flex-wrap: wrap;
        }
        .score-league {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .score-league .league-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-cyan);
            flex-shrink: 0;
        }
        .score-status {
            font-size: 0.75rem;
            padding: 0.22rem 0.75rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .score-status.live {
            background: rgba(52, 211, 153, 0.18);
            color: var(--accent-green);
            border: 1px solid rgba(52, 211, 153, 0.35);
            animation: pulse-live 2s infinite;
        }
        @keyframes pulse-live {
            0%, 100% { box-shadow: 0 0 4px rgba(52, 211, 153, 0.2); }
            50% { box-shadow: 0 0 12px rgba(52, 211, 153, 0.4); }
        }
        .score-status.upcoming {
            background: rgba(14, 165, 233, 0.15);
            color: var(--brand-blue);
            border: 1px solid rgba(14, 165, 233, 0.3);
        }
        .score-status.finished {
            background: rgba(138, 151, 170, 0.15);
            color: var(--text-weak);
            border: 1px solid rgba(138, 151, 170, 0.25);
        }

        .score-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .team-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            flex: 1;
            text-align: center;
            line-height: 1.4;
        }
        .team-name.home {
            text-align: right;
        }
        .team-name.away {
            text-align: left;
        }
        .score-center {
            flex-shrink: 0;
            text-align: center;
            min-width: 80px;
        }
        .score-value {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: #FFFFFF;
            line-height: 1.2;
        }
        .score-value.live-highlight {
            color: var(--accent-amber);
        }
        .score-halftime {
            font-size: 0.72rem;
            color: var(--text-weak);
            font-family: var(--font-mono);
            margin-top: 0.15rem;
        }
        .score-time {
            font-size: 0.78rem;
            color: var(--text-weak);
            font-family: var(--font-mono);
        }
        .score-card-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            margin-top: 0.85rem;
            padding-top: 0.7rem;
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            flex-wrap: wrap;
        }
        .index-change {
            display: flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.75rem;
            color: var(--text-weak);
            flex-wrap: wrap;
        }
        .index-change .idx-tag {
            padding: 0.15rem 0.55rem;
            border-radius: 6px;
            font-size: 0.7rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(148, 163, 184, 0.15);
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .index-change .idx-value-up {
            color: var(--accent-green);
            font-family: var(--font-mono);
        }
        .index-change .idx-value-down {
            color: var(--accent-red);
            font-family: var(--font-mono);
        }

        /* ========== Section Headings ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block+.section-block {
            padding-top: 0;
        }
        .section-heading {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }
        .section-heading .heading-bar {
            width: 4px;
            height: 28px;
            border-radius: 2px;
            background: linear-gradient(180deg, var(--brand-cyan), var(--brand-blue));
            flex-shrink: 0;
        }
        .section-heading h2 {
            font-size: 1.45rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: 0.02em;
        }
        .section-heading .heading-sub {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-left: auto;
        }

        /* ========== Hot Matches ========== */
        .hot-match-strip {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1rem;
        }
        .hot-match-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1rem 1.2rem;
            transition: var(--transition-base);
            position: relative;
        }
        .hot-match-card:hover {
            background: var(--bg-glass-hover);
            border-color: rgba(245, 158, 11, 0.35);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.1);
        }
        .hot-match-card .hot-badge {
            position: absolute;
            top: -8px;
            right: 16px;
            background: linear-gradient(135deg, #F59E0B, #F97316);
            color: #0B1220;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-btn);
            letter-spacing: 0.04em;
        }

        /* ========== Trend Section ========== */
        .trend-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.35rem;
            height: 100%;
            transition: var(--transition-base);
        }
        .trend-card:hover {
            background: var(--bg-glass-hover);
            box-shadow: var(--shadow-card);
        }
        .trend-card .trend-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }
        .trend-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
            padding: 0.4rem 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.08);
            font-size: 0.8rem;
        }
        .trend-bar:last-child {
            border-bottom: none;
        }
        .trend-bar .trend-label {
            color: var(--text-secondary);
        }
        .trend-bar .trend-num {
            font-family: var(--font-mono);
            color: var(--text-primary);
        }
        .trend-bar .trend-num.up {
            color: var(--accent-green);
        }
        .trend-bar .trend-num.down {
            color: var(--accent-red);
        }
        .trend-bar .trend-num.flat {
            color: var(--text-weak);
        }

        /* ========== Article List ========== */
        .article-card-h {
            display: flex;
            gap: 1.1rem;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 0.9rem;
            margin-bottom: 1rem;
            transition: var(--transition-base);
            align-items: center;
        }
        .article-card-h:hover {
            background: var(--bg-glass-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .article-card-h img {
            width: 110px;
            height: 74px;
            object-fit: cover;
            border-radius: 12px;
            flex-shrink: 0;
        }
        .article-card-h .article-info {
            flex: 1;
            min-width: 0;
        }
        .article-card-h .article-title-h {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 0.3rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card-h .article-meta-h {
            font-size: 0.75rem;
            color: var(--text-weak);
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-cta {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(34, 211, 238, 0.06));
            border: 1px solid rgba(34, 211, 238, 0.25);
            border-radius: var(--radius-card);
            padding: 2.2rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.4), transparent);
        }
        .subscribe-cta .cta-text h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
        }
        .subscribe-cta .cta-text p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 0.6rem;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            border-radius: var(--radius-btn);
            border: 1px solid rgba(148, 163, 184, 0.22);
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
            padding: 0.55rem 1.2rem;
            font-size: 0.88rem;
            min-width: 220px;
            transition: var(--transition-base);
        }
        .subscribe-form input::placeholder {
            color: var(--text-weak);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
        }
        .btn-glow {
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            color: #0B1220;
            font-weight: 600;
            padding: 0.55rem 1.4rem;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 0.88rem;
            white-space: nowrap;
        }
        .btn-glow:hover {
            box-shadow: var(--shadow-glow-btn);
            transform: translateY(-1px);
            color: #0B1220;
        }

        /* ========== Data Info ========== */
        .data-info-panel {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.8rem;
        }
        .data-info-panel .info-row {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            padding: 0.5rem 0;
        }
        .data-info-panel .info-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .data-info-panel .info-item .fa-solid {
            color: var(--brand-cyan);
            font-size: 0.8rem;
        }
        .data-info-panel .info-divider {
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            margin: 0.75rem 0;
        }

        /* ========== Buttons ========== */
        .btn-outline-ao {
            border-radius: var(--radius-btn);
            border: 1px solid rgba(34, 211, 238, 0.4);
            background: transparent;
            color: var(--brand-cyan);
            font-weight: 500;
            padding: 0.45rem 1.2rem;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 0.88rem;
        }
        .btn-outline-ao:hover {
            background: rgba(34, 211, 238, 0.1);
            border-color: rgba(34, 211, 238, 0.6);
            box-shadow: 0 0 14px rgba(34, 211, 238, 0.2);
            color: var(--brand-cyan);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-glass);
            padding: 2.5rem 0 1.2rem;
            margin-top: 2rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #FFFFFF;
            margin-bottom: 0.8rem;
        }
        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: #FFFFFF;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 380px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--brand-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.12);
            padding-top: 1.2rem;
            margin-top: 1.8rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
            font-size: 0.78rem;
            color: var(--text-weak);
        }
        .fb-left {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .fb-links {
            display: flex;
            gap: 1rem;
        }
        .fb-links a {
            color: var(--text-weak);
        }
        .fb-links a:hover {
            color: var(--brand-cyan);
        }

        /* ========== Responsive ========== */
        @media (max-width: 991px) {
            .container-ao {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
            .header-nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(11, 18, 32, 0.96);
                backdrop-filter: blur(22px);
                -webkit-backdrop-filter: blur(22px);
                border: 1px solid var(--border-glass);
                border-radius: 16px;
                padding: 0.75rem;
                margin-top: 0.5rem;
                gap: 0.15rem;
                z-index: 1060;
            }
            .header-nav-links.open {
                display: flex;
            }
            .nav-link-ao {
                padding: 0.65rem 1rem;
                border-radius: 10px;
                font-size: 0.95rem;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-search-wrap {
                max-width: none;
            }
            .category-page-header h1 {
                font-size: 1.7rem;
            }
            .score-main {
                gap: 0.5rem;
            }
            .team-name {
                font-size: 0.85rem;
            }
            .score-value {
                font-size: 1.3rem;
            }
            .score-center {
                min-width: 60px;
            }
            .subscribe-cta {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                width: 100%;
            }
            .subscribe-form input {
                flex: 1;
                min-width: 0;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-gap: var(--section-gap-mobile);
            }
            .container-ao {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .header-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .brand-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
                border-radius: 10px;
            }
            .header-search-wrap {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
                margin: 0.25rem 0 0;
            }
            .mobile-toggle {
                margin-left: auto;
            }
            .category-page-header {
                padding: 1.8rem 0 1rem;
                margin-bottom: 1.5rem;
            }
            .category-page-header h1 {
                font-size: 1.45rem;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
                padding: 0.75rem 1rem;
            }
            .score-card {
                padding: 0.9rem 1rem;
            }
            .score-main {
                flex-direction: column;
                gap: 0.5rem;
            }
            .team-name,
            .team-name.home,
            .team-name.away {
                text-align: center;
                font-size: 0.88rem;
            }
            .score-center {
                order: -1;
                min-width: auto;
            }
            .score-card-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
            .article-card-h {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-card-h img {
                width: 100%;
                height: auto;
                max-height: 170px;
                object-fit: cover;
            }
            .subscribe-cta {
                padding: 1.5rem 1.2rem;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
                min-width: 0;
            }
            .subscribe-form .btn-glow {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .fb-left {
                flex-direction: column;
                gap: 0.25rem;
            }
        }

        @media (max-width: 575px) {
            .hot-match-strip {
                grid-template-columns: 1fr;
            }
            .section-heading h2 {
                font-size: 1.2rem;
            }
            .trend-card {
                padding: 1rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0B1220;
            --bg-panel: #0F172A;
            --bg-elevated: #111D35;
            --bg-glass: rgba(255, 255, 255, 0.06);
            --bg-glass-hover: rgba(255, 255, 255, 0.10);
            --border-glass: rgba(148, 163, 184, 0.18);
            --border-glass-light: rgba(148, 163, 184, 0.28);
            --text-primary: #F1F5F9;
            --text-secondary: #B6C2D4;
            --text-weak: #8A97AA;
            --brand-blue: #0EA5E9;
            --brand-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --radius-card: 18px;
            --radius-input: 14px;
            --radius-btn: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 50px rgba(14, 165, 233, 0.12);
            --shadow-glow-btn: 0 0 20px rgba(34, 211, 238, 0.55);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'ui-monospace', 'SF Mono', 'Roboto Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-base: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 4rem;
            --section-gap-mobile: 2.5rem;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 10% 20%, rgba(14, 165, 233, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 80%, rgba(34, 211, 238, 0.04) 0%, transparent 50%),
                linear-gradient(180deg, #0B1220 0%, #0F172A 100%);
        }

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

        a:hover {
            color: #67E8F9;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
        }

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

        .container-ao {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 18, 32, 0.82);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-glass);
            padding: 0.65rem 0;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.94);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: nowrap;
        }

        .brand-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #FFFFFF;
            flex-shrink: 0;
            box-shadow: 0 2px 14px rgba(34, 211, 238, 0.3);
        }

        .brand-logo:hover {
            color: #FFFFFF;
        }

        .header-search-wrap {
            flex: 1 1 auto;
            max-width: 520px;
            min-width: 160px;
            margin: 0 auto;
            position: relative;
        }

        .header-search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-weak);
            font-size: 0.95rem;
            pointer-events: none;
            z-index: 2;
        }

        .header-search-wrap input {
            width: 100%;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(148, 163, 184, 0.22);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-primary);
            padding: 0.55rem 1rem 0.55rem 2.6rem;
            font-size: 0.95rem;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

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

        .header-search-wrap input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            flex-wrap: nowrap;
            flex-shrink: 0;
        }

        .header-nav-links .nav-link-ao {
            padding: 0.45rem 0.9rem;
            border-radius: var(--radius-btn);
            color: var(--text-secondary);
            font-size: 0.92rem;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .header-nav-links .nav-link-ao:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .header-nav-links .nav-link-ao.active {
            color: #FFFFFF;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.18), rgba(34, 211, 238, 0.18));
            border: 1px solid rgba(34, 211, 238, 0.25);
        }

        .navbar-toggler-ao {
            display: none;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: var(--transition-base);
        }

        .navbar-toggler-ao:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-ao {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.88rem;
            color: var(--text-weak);
            padding: 1.2rem 0 0.2rem;
            flex-wrap: wrap;
        }

        .breadcrumb-ao a {
            color: var(--text-weak);
            transition: var(--transition-base);
        }

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

        .breadcrumb-ao .separator {
            color: var(--text-weak);
            opacity: 0.6;
        }

        .breadcrumb-ao .current {
            color: var(--text-secondary);
        }

        /* ========== Page Header ========== */
        .page-header {
            padding: 1.5rem 0 2.5rem;
            border-bottom: 1px solid var(--border-glass);
        }

        .page-header h1 {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.01em;
            margin-bottom: 0.8rem;
            line-height: 1.35;
        }

        .page-header .lede {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.85;
        }

        .badge-category {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.25);
            color: var(--brand-cyan);
            padding: 0.35rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            font-weight: 500;
            margin-bottom: 1rem;
        }

        /* ========== Glass Cards ========== */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, rgba(14, 165, 233, 0.6), rgba(34, 211, 238, 0.2), transparent);
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

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

        /* ========== Section ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }

        .section-block.alt-bg {
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.4), rgba(11, 18, 32, 0.6));
            border-top: 1px solid rgba(148, 163, 184, 0.08);
            border-bottom: 1px solid rgba(148, 163, 184, 0.08);
        }

        .section-title {
            font-size: clamp(1.4rem, 2.4vw, 1.8rem);
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.6rem;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 2rem;
        }

        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .section-header-row .section-title {
            margin-bottom: 0;
        }

        /* ========== Index Cards ========== */
        .index-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.4rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .index-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, rgba(14, 165, 233, 0.5), transparent);
        }

        .index-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .index-card .index-name {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-bottom: 0.5rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .index-card .index-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
            margin-bottom: 0.4rem;
        }

        .index-card .index-change {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-btn);
            margin-bottom: 0.6rem;
        }

        .index-card .index-change.up {
            color: var(--accent-green);
            background: rgba(52, 211, 153, 0.1);
            border: 1px solid rgba(52, 211, 153, 0.25);
        }

        .index-card .index-change.down {
            color: var(--accent-red);
            background: rgba(248, 113, 113, 0.1);
            border: 1px solid rgba(248, 113, 113, 0.25);
        }

        .index-card .index-change.flat {
            color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.25);
        }

        .index-card .index-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .chart-placeholder {
            background: rgba(255, 255, 255, 0.03);
            border: 1px dashed rgba(148, 163, 184, 0.25);
            border-radius: 12px;
            padding: 1rem;
            margin: 1rem 0;
            text-align: center;
            color: var(--text-weak);
            font-size: 0.8rem;
            font-family: var(--font-mono);
        }

        .mini-bar-chart {
            display: flex;
            align-items: flex-end;
            gap: 0.4rem;
            height: 80px;
            padding: 0.5rem 0;
        }

        .mini-bar-chart .bar {
            flex: 1;
            min-width: 8px;
            border-radius: 4px 4px 0 0;
            background: linear-gradient(180deg, rgba(34, 211, 238, 0.5), rgba(14, 165, 233, 0.3));
            transition: var(--transition-base);
            position: relative;
        }

        .mini-bar-chart .bar:hover {
            background: linear-gradient(180deg, rgba(34, 211, 238, 0.9), rgba(14, 165, 233, 0.7));
            box-shadow: 0 0 12px rgba(34, 211, 238, 0.4);
        }

        .mini-bar-chart .bar.highlight {
            background: linear-gradient(180deg, rgba(245, 158, 11, 0.7), rgba(245, 158, 11, 0.4));
        }

        /* ========== Table ========== */
        .table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.03);
        }

        .table-ao {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .table-ao thead th {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-glass);
            white-space: nowrap;
        }

        .table-ao tbody td {
            padding: 0.9rem 1rem;
            border-bottom: 1px solid rgba(148, 163, 184, 0.08);
            font-family: var(--font-mono);
            font-size: 0.88rem;
            white-space: nowrap;
        }

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

        .table-ao tbody tr {
            transition: var(--transition-base);
        }

        .table-ao tbody tr:hover {
            background: rgba(34, 211, 238, 0.05);
        }

        .table-ao .team-cell {
            font-family: var(--font-sans);
            color: var(--text-primary);
            font-weight: 500;
            white-space: normal;
        }

        .trend-up {
            color: var(--accent-green);
        }

        .trend-down {
            color: var(--accent-red);
        }

        .trend-flat {
            color: var(--accent-amber);
        }

        /* ========== Info List ========== */
        .info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .info-list li {
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.1);
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .info-list li:last-child {
            border-bottom: none;
        }

        .info-list li i {
            color: var(--brand-cyan);
            font-size: 0.85rem;
            margin-top: 0.35rem;
            flex-shrink: 0;
        }

        /* ========== News List ========== */
        .news-list-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.1);
            align-items: flex-start;
        }

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

        .news-list-item .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.05);
        }

        .news-list-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 12px;
        }

        .news-list-item .news-content {
            flex: 1;
        }

        .news-list-item .news-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
            line-height: 1.5;
        }

        .news-list-item .news-title a {
            color: var(--text-primary);
        }

        .news-list-item .news-title a:hover {
            color: var(--brand-cyan);
        }

        .news-list-item .news-meta {
            font-size: 0.8rem;
            color: var(--text-weak);
            font-family: var(--font-mono);
        }

        /* ========== Buttons ========== */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            color: #FFFFFF;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border: none;
            transition: var(--transition-base);
            font-size: 0.95rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(14, 165, 233, 0.25);
        }

        .btn-glow:hover {
            color: #FFFFFF;
            box-shadow: var(--shadow-glow-btn);
            transform: translateY(-1px);
        }

        .btn-outline-ao {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            border: 1px solid rgba(148, 163, 184, 0.3);
            transition: var(--transition-base);
            font-size: 0.95rem;
            cursor: pointer;
            backdrop-filter: blur(8px);
        }

        .btn-outline-ao:hover {
            border-color: rgba(34, 211, 238, 0.5);
            color: var(--brand-cyan);
            background: rgba(34, 211, 238, 0.05);
            box-shadow: 0 0 16px rgba(34, 211, 238, 0.15);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: rgba(11, 18, 32, 0.9);
            border-top: 1px solid var(--border-glass);
            padding: 3rem 0 1.5rem;
            margin-top: var(--section-gap);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }

        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
            max-width: 420px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.92rem;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(148, 163, 184, 0.12);
        }

        .fb-left {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            color: var(--text-weak);
            font-size: 0.82rem;
            font-family: var(--font-mono);
        }

        .fb-links {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: var(--text-weak);
            font-size: 0.85rem;
        }

        .fb-links a {
            color: var(--text-weak);
        }

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

        /* ========== CTA Band ========== */
        .cta-band {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(34, 211, 238, 0.08));
            border: 1px solid rgba(34, 211, 238, 0.25);
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .cta-band h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
        }

        .cta-band p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
            max-width: 600px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199.98px) {
            .header-nav-links .nav-link-ao {
                padding: 0.45rem 0.7rem;
                font-size: 0.85rem;
            }
            .header-search-wrap {
                max-width: 350px;
            }
        }

        @media (max-width: 991.98px) {
            .container-ao {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
            .header-nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(11, 18, 32, 0.97);
                backdrop-filter: blur(22px);
                -webkit-backdrop-filter: blur(22px);
                flex-direction: column;
                align-items: stretch;
                padding: 1rem 1.5rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--border-glass);
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
            }
            .header-nav-links.show {
                display: flex;
            }
            .header-nav-links .nav-link-ao {
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                border-radius: 10px;
            }
            .navbar-toggler-ao {
                display: flex;
            }
            .header-search-wrap {
                max-width: none;
                flex: 1;
            }
            .section-block {
                padding: var(--section-gap-mobile) 0;
            }
            .cta-band {
                flex-direction: column;
                text-align: center;
            }
            .cta-band p {
                margin-left: auto;
                margin-right: auto;
            }
            .section-header-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-list-item .news-thumb {
                width: 90px;
                height: 65px;
            }
        }

        @media (max-width: 767.98px) {
            .container-ao {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .brand-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .header-search-wrap input {
                font-size: 0.85rem;
                padding: 0.5rem 0.8rem 0.5rem 2.3rem;
            }
            .header-search-wrap .search-icon {
                left: 12px;
                font-size: 0.85rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }
            .fb-left {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .news-list-item {
                flex-direction: column;
            }
            .news-list-item .news-thumb {
                width: 100%;
                height: 140px;
            }
            .index-card .index-value {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 575.98px) {
            .container-ao {
                padding-left: 0.9rem;
                padding-right: 0.9rem;
            }
            .brand-logo span {
                display: none;
            }
            .page-header h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .breadcrumb-ao {
                font-size: 0.78rem;
            }
            .btn-glow,
            .btn-outline-ao {
                padding: 0.6rem 1.2rem;
                font-size: 0.88rem;
            }
            .table-ao {
                font-size: 0.78rem;
            }
            .table-ao thead th,
            .table-ao tbody td {
                padding: 0.6rem 0.7rem;
                font-size: 0.75rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #0B1220;
            --bg-panel: #0F172A;
            --bg-elevated: #111D35;
            --bg-glass: rgba(255, 255, 255, 0.06);
            --bg-glass-hover: rgba(255, 255, 255, 0.10);
            --border-glass: rgba(148, 163, 184, 0.18);
            --border-glass-light: rgba(148, 163, 184, 0.28);
            --text-primary: #F1F5F9;
            --text-secondary: #B6C2D4;
            --text-weak: #8A97AA;
            --brand-blue: #0EA5E9;
            --brand-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --radius-card: 18px;
            --radius-input: 14px;
            --radius-btn: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 50px rgba(14, 165, 233, 0.12);
            --shadow-glow-btn: 0 0 20px rgba(34, 211, 238, 0.55);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'ui-monospace', 'SF Mono', 'Roboto Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-base: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 4rem;
            --section-gap-mobile: 2.5rem;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 10% 20%, rgba(14, 165, 233, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 80%, rgba(34, 211, 238, 0.04) 0%, transparent 50%),
                linear-gradient(180deg, #0B1220 0%, #0F172A 100%);
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: #67E8F9;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
        }

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

        .container-ao {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 1200px) {
            .container-ao {
                max-width: 1320px;
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 18, 32, 0.82);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-glass);
            padding: 0.6rem 0;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: nowrap;
        }

        .brand-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #FFFFFF;
            flex-shrink: 0;
            box-shadow: 0 2px 14px rgba(34, 211, 238, 0.3);
        }
        .brand-logo:hover {
            color: #FFFFFF;
        }

        .header-search-wrap {
            flex: 1 1 auto;
            max-width: 480px;
            min-width: 160px;
            margin: 0 auto;
            position: relative;
        }
        .header-search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-weak);
            font-size: 0.9rem;
            pointer-events: none;
            z-index: 2;
        }
        .header-search-wrap input {
            width: 100%;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(148, 163, 184, 0.22);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-primary);
            padding: 0.5rem 1rem 0.5rem 2.5rem;
            font-size: 0.92rem;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .header-search-wrap input::placeholder {
            color: var(--text-weak);
        }
        .header-search-wrap input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            flex-shrink: 0;
        }
        .nav-link-ao {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.75rem;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 999px;
            transition: var(--transition-base);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .nav-link-ao:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(148, 163, 184, 0.15);
        }
        .nav-link-ao.active {
            color: #FFFFFF;
            background: rgba(14, 165, 233, 0.18);
            border-color: rgba(14, 165, 233, 0.4);
        }

        .header-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(148, 163, 184, 0.25);
            color: var(--text-primary);
            border-radius: 10px;
            padding: 0.4rem 0.6rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .header-toggle:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
        }

        @media (max-width: 991px) {
            .header-nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(11, 18, 32, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border-bottom: 1px solid var(--border-glass);
                flex-direction: column;
                align-items: flex-start;
                gap: 0.25rem;
                padding: 1rem 1.25rem;
                display: none;
                z-index: 1040;
                box-shadow: 0 12px 35px rgba(0,0,0,0.45);
            }
            .header-nav-links.open {
                display: flex;
            }
            .nav-link-ao {
                width: 100%;
                padding: 0.7rem 0.9rem;
                font-size: 0.95rem;
                border-radius: 10px;
            }
            .header-toggle {
                display: block;
            }
            .header-search-wrap {
                max-width: none;
                flex: 1 1 auto;
            }
        }

        @media (max-width: 575px) {
            .site-header {
                padding: 0.55rem 0;
            }
            .brand-logo {
                font-size: 1.05rem;
            }
            .brand-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.85rem;
                border-radius: 10px;
            }
            .header-search-wrap input {
                padding: 0.42rem 0.9rem 0.42rem 2.2rem;
                font-size: 0.85rem;
            }
            .header-search-wrap .search-icon {
                left: 12px;
                font-size: 0.8rem;
            }
            .header-nav-links {
                top: 52px;
            }
        }

        /* ========== Main Layout ========== */
        main {
            min-height: 60vh;
        }

        .section-ao {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        .section-ao + .section-ao {
            padding-top: 0;
        }
        .section-alt {
            background: rgba(255, 255, 255, 0.015);
            border-top: 1px solid rgba(148, 163, 184, 0.08);
            border-bottom: 1px solid rgba(148, 163, 184, 0.08);
        }

        @media (max-width: 767px) {
            .section-ao {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
        }

        /* ========== Breadcrumbs ========== */
        .breadcrumb-ao {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.35rem;
            font-size: 0.85rem;
            color: var(--text-weak);
            padding: 1.5rem 0 0.5rem;
            margin-bottom: 0;
        }
        .breadcrumb-ao a {
            color: var(--text-weak);
            transition: var(--transition-base);
        }
        .breadcrumb-ao a:hover {
            color: var(--brand-cyan);
        }
        .breadcrumb-ao .sep {
            color: rgba(148, 163, 184, 0.4);
            font-size: 0.7rem;
        }
        .breadcrumb-ao .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ========== Category Heading ========== */
        .category-heading {
            padding: 1.5rem 0 2.5rem;
        }
        .category-heading h1 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            margin-bottom: 0.8rem;
            color: #FFFFFF;
        }
        .category-heading .lead {
            font-size: 1.02rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.75;
        }

        @media (max-width: 575px) {
            .category-heading h1 {
                font-size: 1.6rem;
            }
            .category-heading .lead {
                font-size: 0.92rem;
            }
        }

        /* ========== Editorial Feature ========== */
        .editorial-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .editorial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .editorial-card .ec-image {
            position: relative;
            height: 320px;
            overflow: hidden;
        }
        .editorial-card .ec-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .editorial-card:hover .ec-image img {
            transform: scale(1.03);
        }
        .editorial-card .ec-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(11, 18, 32, 0.85) 100%);
            pointer-events: none;
        }
        .editorial-card .ec-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            z-index: 3;
            background: rgba(245, 158, 11, 0.9);
            color: #0B1220;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.3rem 0.7rem;
            border-radius: 999px;
            letter-spacing: 0.05em;
        }
        .editorial-card .ec-content {
            padding: 1.8rem;
            margin-top: -4rem;
            position: relative;
            z-index: 2;
        }
        .editorial-card .ec-title {
            font-size: 1.45rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.7rem;
            line-height: 1.4;
        }
        .editorial-card .ec-excerpt {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            line-height: 1.75;
        }
        .editorial-card .ec-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--text-weak);
        }
        .editorial-card .ec-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        @media (max-width: 575px) {
            .editorial-card .ec-image {
                height: 220px;
            }
            .editorial-card .ec-title {
                font-size: 1.15rem;
            }
            .editorial-card .ec-content {
                padding: 1.2rem;
                margin-top: -3rem;
            }
        }

        /* ========== Article List ========== */
        .article-list-item {
            display: flex;
            gap: 1.2rem;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1rem;
            transition: var(--transition-base);
            box-shadow: 0 4px 16px rgba(0,0,0,0.2);
            margin-bottom: 1rem;
        }
        .article-list-item:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .article-list-item .ali-image {
            flex-shrink: 0;
            width: 160px;
            height: 110px;
            border-radius: 12px;
            overflow: hidden;
        }
        .article-list-item .ali-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 12px;
            transition: transform 0.35s ease;
        }
        .article-list-item:hover .ali-image img {
            transform: scale(1.05);
        }
        .article-list-item .ali-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-list-item .ali-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.4rem;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-list-item .ali-excerpt {
            font-size: 0.87rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.65;
        }
        .article-list-item .ali-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.75rem;
            color: var(--text-weak);
        }
        .article-list-item .ali-tag {
            padding: 0.15rem 0.5rem;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 500;
            background: rgba(14, 165, 233, 0.15);
            color: var(--brand-cyan);
            white-space: nowrap;
        }
        .article-list-item .ali-tag.amber {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-amber);
        }
        .article-list-item .ali-tag.green {
            background: rgba(52, 211, 153, 0.15);
            color: var(--accent-green);
        }

        @media (max-width: 575px) {
            .article-list-item {
                flex-direction: column;
                gap: 0.75rem;
                padding: 0.9rem;
            }
            .article-list-item .ali-image {
                width: 100%;
                height: 170px;
            }
            .article-list-item .ali-title {
                font-size: 0.95rem;
            }
        }

        /* ========== Sidebar Widgets ========== */
        .sidebar-widget {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.4rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.2);
        }
        .sidebar-widget .widget-title {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-widget .widget-title i {
            color: var(--brand-cyan);
            font-size: 0.9rem;
        }

        .trend-item {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            padding: 0.55rem 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.1);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .trend-item:last-child {
            border-bottom: none;
        }
        .trend-item:hover {
            padding-left: 0.35rem;
        }
        .trend-item .rank {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-weak);
            min-width: 28px;
            text-align: center;
            flex-shrink: 0;
            line-height: 1.5;
        }
        .trend-item .rank.top {
            color: var(--accent-amber);
        }
        .trend-item .rank.top-2 {
            color: var(--brand-cyan);
        }
        .trend-item .rank.top-3 {
            color: var(--accent-green);
        }
        .trend-item .ti-title {
            font-size: 0.87rem;
            color: var(--text-secondary);
            line-height: 1.5;
            transition: color 0.2s;
        }
        .trend-item:hover .ti-title {
            color: var(--brand-cyan);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag-cloud .tag-pill {
            padding: 0.35rem 0.8rem;
            font-size: 0.78rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(148, 163, 184, 0.2);
            color: var(--text-secondary);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .tag-cloud .tag-pill:hover {
            background: rgba(14, 165, 233, 0.15);
            border-color: rgba(14, 165, 233, 0.4);
            color: var(--brand-cyan);
            transform: translateY(-1px);
        }

        /* ========== Reports ========== */
        .report-card {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 1.2rem 1.4rem;
            transition: var(--transition-base);
            margin-bottom: 0.9rem;
        }
        .report-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            transform: translateX(4px);
        }
        .report-card .rc-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.25), rgba(34, 211, 238, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--brand-cyan);
            flex-shrink: 0;
        }
        .report-card .rc-info {
            flex: 1;
            min-width: 0;
        }
        .report-card .rc-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FFFFFF;
        }
        .report-card .rc-desc {
            font-size: 0.78rem;
            color: var(--text-weak);
        }
        .report-card .rc-arrow {
            color: var(--text-weak);
            font-size: 0.85rem;
            transition: var(--transition-base);
        }
        .report-card:hover .rc-arrow {
            color: var(--brand-cyan);
            transform: translateX(3px);
        }

        /* ========== Authors ========== */
        .author-col-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            text-align: center;
            transition: var(--transition-base);
            height: 100%;
        }
        .author-col-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .author-col-card .acc-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #FFFFFF;
            margin: 0 auto 0.9rem;
            box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
        }
        .author-col-card .acc-name {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.25rem;
        }
        .author-col-card .acc-role {
            font-size: 0.75rem;
            color: var(--brand-cyan);
            margin-bottom: 0.7rem;
        }
        .author-col-card .acc-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== Flash News ========== */
        .flash-list {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 0.5rem 1.2rem;
        }
        .flash-item {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.1);
        }
        .flash-item:last-child {
            border-bottom: none;
        }
        .flash-item .flash-dot {
            flex-shrink: 0;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--brand-cyan);
            margin-top: 0.5rem;
            box-shadow: 0 0 8px rgba(34, 211, 238, 0.6);
        }
        .flash-item .flash-dot.amber {
            background: var(--accent-amber);
            box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
        }
        .flash-item .flash-dot.green {
            background: var(--accent-green);
            box-shadow: 0 0 8px rgba(52, 211, 153, 0.6);
        }
        .flash-item .flash-time {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--text-weak);
            flex-shrink: 0;
            min-width: 48px;
        }
        .flash-item .flash-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-panel {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.12) 0%, rgba(34, 211, 238, 0.08) 50%, rgba(11, 18, 32, 0.3) 100%);
            border: 1px solid rgba(14, 165, 233, 0.3);
            border-radius: 22px;
            padding: 2.5rem 2rem;
            position: relative;
            overflow: hidden;
        }
        .subscribe-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .subscribe-panel h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.7rem;
        }
        .subscribe-panel p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            max-width: 560px;
        }
        .subscribe-form {
            display: flex;
            gap: 0.7rem;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(148, 163, 184, 0.25);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-primary);
            padding: 0.65rem 1.2rem;
            font-size: 0.92rem;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
        }
        .subscribe-form input::placeholder {
            color: var(--text-weak);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
        }

        .btn-ao {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.45rem;
            padding: 0.65rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-ao-primary {
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            color: #061220;
            box-shadow: 0 4px 16px rgba(34, 211, 238, 0.3);
        }
        .btn-ao-primary:hover {
            box-shadow: var(--shadow-glow-btn);
            transform: translateY(-1px);
            color: #061220;
        }
        .btn-ao-secondary {
            background: transparent;
            border: 1px solid rgba(148, 163, 184, 0.35);
            color: var(--text-primary);
        }
        .btn-ao-secondary:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
            background: rgba(34, 211, 238, 0.06);
        }
        .btn-ao-sm {
            padding: 0.4rem 0.9rem;
            font-size: 0.78rem;
        }

        /* ========== Source Note ========== */
        .source-note {
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px dashed rgba(148, 163, 184, 0.25);
            border-radius: 16px;
            padding: 1.3rem 1.5rem;
        }
        .source-note .sn-icon {
            font-size: 1.2rem;
            color: var(--text-weak);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .source-note .sn-text {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.7;
        }
        .source-note .sn-text strong {
            color: var(--text-secondary);
            font-weight: 600;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #070D18;
            border-top: 1px solid var(--border-glass);
            padding: 3rem 0 0;
            margin-top: 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: #FFFFFF;
            margin-bottom: 0.9rem;
        }
        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #FFFFFF;
        }
        .footer-desc {
            font-size: 0.86rem;
            color: var(--text-weak);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--brand-cyan);
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
            padding: 1.2rem 0;
            margin-top: 2.5rem;
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            font-size: 0.78rem;
            color: var(--text-weak);
        }
        .fb-left {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .fb-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .fb-links a {
            font-size: 0.78rem;
            color: var(--text-weak);
            transition: var(--transition-base);
        }
        .fb-links a:hover {
            color: var(--brand-cyan);
        }

        @media (max-width: 767px) {
            .site-footer {
                padding: 2rem 0 0;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.6rem;
            }
        }

        /* ========== Shared Utility ========== */
        .text-glow {
            text-shadow: 0 0 30px rgba(34, 211, 238, 0.3);
        }
        .divider-fade {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.2), transparent);
            margin: 0 auto;
            max-width: 820px;
        }
        .fw-700 { font-weight: 700; }

/* roulang page: category5 */
:root {
            --bg-deep: #0B1220;
            --bg-panel: #0F172A;
            --bg-elevated: #111D35;
            --bg-glass: rgba(255, 255, 255, 0.06);
            --bg-glass-hover: rgba(255, 255, 255, 0.10);
            --border-glass: rgba(148, 163, 184, 0.18);
            --border-glass-light: rgba(148, 163, 184, 0.28);
            --text-primary: #F1F5F9;
            --text-secondary: #B6C2D4;
            --text-weak: #8A97AA;
            --brand-blue: #0EA5E9;
            --brand-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --radius-card: 18px;
            --radius-input: 14px;
            --radius-btn: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 50px rgba(14, 165, 233, 0.12);
            --shadow-glow-btn: 0 0 20px rgba(34, 211, 238, 0.55);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'ui-monospace', 'SF Mono', 'Roboto Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-base: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 4rem;
            --section-gap-mobile: 2.5rem;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 10% 20%, rgba(14, 165, 233, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 80%, rgba(34, 211, 238, 0.04) 0%, transparent 50%),
                linear-gradient(180deg, #0B1220 0%, #0F172A 100%);
        }

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

        a:hover {
            color: #67E8F9;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
        }

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

        .container-ao {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 18, 32, 0.82);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-glass);
            padding: 0.65rem 0;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.94);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: nowrap;
        }

        .brand-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #FFFFFF;
            flex-shrink: 0;
            box-shadow: 0 2px 14px rgba(34, 211, 238, 0.3);
        }

        .brand-logo:hover {
            color: #FFFFFF;
        }

        .header-search-wrap {
            flex: 1 1 auto;
            max-width: 520px;
            min-width: 160px;
            margin: 0 auto;
            position: relative;
        }

        .header-search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-weak);
            font-size: 0.95rem;
            pointer-events: none;
            z-index: 2;
        }

        .header-search-wrap input {
            width: 100%;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(148, 163, 184, 0.22);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-primary);
            padding: 0.55rem 1rem 0.55rem 2.6rem;
            font-size: 0.95rem;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

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

        .header-search-wrap input:focus {
            outline: none;
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.22);
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-shrink: 0;
        }

        .nav-link-ao {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .nav-link-ao:hover {
            color: var(--text-primary);
            background: var(--bg-glass);
            border-color: var(--border-glass);
        }

        .nav-link-ao.active {
            color: #FFFFFF;
            background: rgba(14, 165, 233, 0.18);
            border-color: rgba(34, 211, 238, 0.32);
            box-shadow: 0 0 14px rgba(34, 211, 238, 0.15);
        }

        .header-hamburger {
            display: none;
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border-glass);
            background: var(--bg-glass);
            color: var(--text-primary);
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition-base);
        }

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

        .mobile-search-row {
            display: none;
            padding: 0.75rem 0 0.25rem;
        }

        .mobile-search-row .header-search-wrap {
            max-width: 100%;
            margin: 0;
        }

        .header-nav-links-mobile {
            display: none;
            flex-direction: column;
            gap: 0.25rem;
            padding: 0.75rem 0;
            border-top: 1px solid var(--border-glass);
            margin-top: 0.75rem;
        }

        .header-nav-links-mobile .nav-link-ao {
            width: 100%;
            justify-content: flex-start;
            padding: 0.7rem 1rem;
            font-size: 0.95rem;
        }

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

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

        /* ========== Breadcrumb ========== */
        .breadcrumb-ao {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            padding: 1.5rem 0 0.5rem;
            font-size: 0.85rem;
            color: var(--text-weak);
        }

        .breadcrumb-ao a {
            color: var(--text-weak);
            transition: var(--transition-base);
        }

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

        .breadcrumb-ao .separator {
            color: var(--text-weak);
            opacity: 0.6;
        }

        .breadcrumb-ao .current {
            color: var(--brand-cyan);
            font-weight: 500;
        }

        /* ========== Category Header ========== */
        .category-header {
            padding: 2.5rem 0 1.5rem;
        }

        .category-header .icon-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.18), rgba(34, 211, 238, 0.12));
            border: 1px solid rgba(34, 211, 238, 0.28);
            font-size: 1.3rem;
            color: var(--brand-cyan);
            margin-bottom: 1rem;
            box-shadow: 0 4px 16px rgba(14, 165, 233, 0.15);
        }

        .category-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.01em;
            margin-bottom: 0.75rem;
            line-height: 1.35;
        }

        .category-header .lead {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        /* ========== Tool Cards Grid ========== */
        .section-block {
            padding: 2.5rem 0;
        }

        .section-block + .section-block {
            border-top: 1px solid rgba(148, 163, 184, 0.08);
        }

        .section-title-ao {
            font-size: 1.5rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
            letter-spacing: 0.01em;
        }

        .section-subtitle-ao {
            font-size: 0.95rem;
            color: var(--text-weak);
            margin-bottom: 1.75rem;
        }

        .tool-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.25rem;
            height: 100%;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .tool-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }

        .tool-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .tool-card:hover::before {
            opacity: 1;
        }

        .tool-card .tool-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.22), rgba(34, 211, 238, 0.14));
            border: 1px solid rgba(34, 211, 238, 0.26);
            color: var(--brand-cyan);
            transition: var(--transition-base);
        }

        .tool-card:hover .tool-icon {
            box-shadow: 0 0 18px rgba(34, 211, 238, 0.35);
        }

        .tool-card .tool-name {
            font-size: 1.05rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
            letter-spacing: 0.01em;
        }

        .tool-card .tool-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
            flex-grow: 1;
        }

        .tool-card .tool-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: auto;
        }

        .tool-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-btn);
            font-size: 0.72rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            color: var(--text-weak);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .tool-tag.hot {
            background: rgba(245, 158, 11, 0.12);
            border-color: rgba(245, 158, 11, 0.3);
            color: var(--accent-amber);
        }

        .tool-tag.free {
            background: rgba(52, 211, 153, 0.10);
            border-color: rgba(52, 211, 153, 0.28);
            color: var(--accent-green);
        }

        .tool-tag.member {
            background: rgba(14, 165, 233, 0.12);
            border-color: rgba(14, 165, 233, 0.3);
            color: var(--brand-cyan);
        }

        /* ========== Scenario Cards ========== */
        .scenario-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            height: 100%;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .scenario-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .scenario-card .scenario-number {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-cyan);
            letter-spacing: 0.06em;
            margin-bottom: 0.6rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .scenario-card .scenario-number::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-cyan);
            box-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
        }

        .scenario-card .scenario-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.6rem;
        }

        .scenario-card .scenario-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== Download Cards ========== */
        .download-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 1.25rem;
            height: 100%;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .download-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-light);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .download-card .dl-img-wrap {
            border-radius: 14px;
            overflow: hidden;
            margin-bottom: 1rem;
            aspect-ratio: 16/9;
            position: relative;
            background: var(--bg-elevated);
        }

        .download-card .dl-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-base);
        }

        .download-card:hover .dl-img-wrap img {
            transform: scale(1.04);
        }

        .download-card .dl-name {
            font-size: 1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.35rem;
        }

        .download-card .dl-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 1rem;
            flex-grow: 1;
        }

        .download-card .dl-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.78rem;
            color: var(--text-weak);
            font-family: var(--font-mono);
        }

        .download-card .dl-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1.1rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(34, 211, 238, 0.3);
            background: rgba(14, 165, 233, 0.12);
            color: var(--brand-cyan);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .download-card .dl-btn:hover {
            background: rgba(14, 165, 233, 0.22);
            border-color: var(--brand-cyan);
            box-shadow: 0 0 14px rgba(34, 211, 238, 0.25);
            color: #FFFFFF;
        }

        /* ========== FAQ ========== */
        .faq-ao .accordion-item {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card) !important;
            margin-bottom: 0.85rem;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .faq-ao .accordion-item:hover {
            border-color: var(--border-glass-light);
        }

        .faq-ao .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 1.1rem 1.3rem;
            border: none;
            box-shadow: none !important;
            border-radius: var(--radius-card) !important;
            transition: var(--transition-base);
        }

        .faq-ao .accordion-button:not(.collapsed) {
            background: rgba(14, 165, 233, 0.08);
            color: #FFFFFF;
        }

        .faq-ao .accordion-button:focus {
            outline: 2px solid var(--brand-cyan);
            outline-offset: -2px;
        }

        .faq-ao .accordion-button::after {
            filter: brightness(0) invert(1) opacity(0.7);
            background-size: 1rem;
        }

        .faq-ao .accordion-body {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 1rem 1.3rem 1.3rem;
        }

        /* ========== Version Timeline ========== */
        .version-list {
            position: relative;
            padding-left: 1.5rem;
        }

        .version-list::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(180deg, var(--brand-blue), rgba(34, 211, 238, 0.2));
            border-radius: 2px;
        }

        .version-item {
            position: relative;
            padding-bottom: 1.5rem;
        }

        .version-item:last-child {
            padding-bottom: 0;
        }

        .version-item::before {
            content: '';
            position: absolute;
            left: -1.5rem;
            top: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-cyan);
            box-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
            border: 2px solid var(--bg-deep);
        }

        .version-item .v-header {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 0.3rem;
        }

        .version-item .v-tag {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--brand-cyan);
            background: rgba(14, 165, 233, 0.12);
            padding: 0.15rem 0.7rem;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(34, 211, 238, 0.25);
        }

        .version-item .v-date {
            font-size: 0.82rem;
            color: var(--text-weak);
            font-family: var(--font-mono);
        }

        .version-item .v-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA Section ========== */
        .cta-panel-ao {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(34, 211, 238, 0.04));
            border: 1px solid rgba(34, 211, 238, 0.22);
            border-radius: 22px;
            padding: 2.5rem 2rem;
            text-align: center;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: var(--shadow-card);
        }

        .cta-panel-ao h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.6rem;
        }

        .cta-panel-ao p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            line-height: 1.75;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            color: #FFFFFF;
            box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
        }

        .btn-glow:hover {
            box-shadow: var(--shadow-glow-btn);
            transform: translateY(-1px);
            color: #FFFFFF;
        }

        .btn-glow:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(14, 165, 233, 0.25);
        }

        .btn-outline-ao {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.65rem 1.6rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid rgba(148, 163, 184, 0.3);
            background: transparent;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-outline-ao:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
            background: rgba(14, 165, 233, 0.06);
        }

        /* ========== Footer ========== */
        .site-footer {
            margin-top: var(--section-gap);
            border-top: 1px solid var(--border-glass);
            background: rgba(11, 18, 32, 0.6);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            padding: 3rem 0 1.5rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.15rem;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }

        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0EA5E9, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
            margin: 0;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-weak);
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            margin-top: 2.5rem;
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
        }

        .fb-left {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--text-weak);
        }

        .fb-links {
            display: flex;
            align-items: center;
            gap: 1.25rem;
        }

        .fb-links a {
            font-size: 0.78rem;
            color: var(--text-weak);
            transition: var(--transition-base);
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1199.98px) {
            .header-nav-links {
                gap: 0.1rem;
            }
            .nav-link-ao {
                padding: 0.4rem 0.6rem;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 991.98px) {
            .container-ao {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
            .header-nav-links {
                display: none;
            }
            .header-hamburger {
                display: flex;
            }
            .header-inner {
                gap: 0.75rem;
            }
            .category-header h1 {
                font-size: 1.9rem;
            }
            .section-block {
                padding: 2rem 0;
            }
            .cta-panel-ao {
                padding: 2rem 1.25rem;
            }
            .cta-panel-ao h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 767.98px) {
            .container-ao {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
            .site-header {
                padding: 0.5rem 0;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .brand-logo .logo-icon {
                width: 36px;
                height: 36px;
                border-radius: 10px;
                font-size: 0.95rem;
            }
            .header-search-wrap input {
                font-size: 0.85rem;
                padding: 0.5rem 0.9rem 0.5rem 2.2rem;
            }
            .header-search-wrap .search-icon {
                left: 12px;
                font-size: 0.85rem;
            }
            .category-header h1 {
                font-size: 1.6rem;
            }
            .section-title-ao {
                font-size: 1.25rem;
            }
            .section-block {
                padding: 1.75rem 0;
            }
            .tool-card {
                padding: 1.25rem 1rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .fb-left {
                gap: 0.6rem;
            }
        }

        @media (max-width: 575.98px) {
            .container-ao {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .category-header h1 {
                font-size: 1.4rem;
            }
            .category-header .lead {
                font-size: 0.92rem;
            }
            .section-title-ao {
                font-size: 1.15rem;
            }
            .section-subtitle-ao {
                font-size: 0.85rem;
            }
            .tool-card .tool-name {
                font-size: 0.95rem;
            }
            .tool-card .tool-desc {
                font-size: 0.82rem;
            }
            .scenario-card .scenario-title {
                font-size: 1rem;
            }
            .cta-panel-ao {
                padding: 1.75rem 1rem;
                border-radius: 18px;
            }
            .cta-panel-ao h2 {
                font-size: 1.25rem;
            }
            .btn-glow {
                padding: 0.6rem 1.4rem;
                font-size: 0.88rem;
            }
            .footer-desc {
                font-size: 0.82rem;
            }
        }

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