/* roulang page: index */
:root {
            --bg-primary: #070D1F;
            --bg-secondary: #0B1226;
            --panel-bg: #0F1B33;
            --glass-bg: rgba(15, 27, 55, 0.55);
            --glass-border: rgba(0, 229, 255, 0.18);
            --primary: #00E5FF;
            --secondary: #FF6B35;
            --success: #2CEAA3;
            --warning: #FFC857;
            --danger: #FF5C7A;
            --text-primary: #E8F0FF;
            --text-secondary: #9FB1CC;
            --text-muted: #6B7C99;
            --radius-card: 14px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 16px rgba(0, 229, 255, 0.35);
            --shadow-btn-glow: 0 0 18px rgba(0, 229, 255, 0.45);
            --font-mono: 'Roboto Mono', 'Oswald', 'Consolas', monospace;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(0, 229, 255, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(255, 107, 53, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 70%, rgba(0, 229, 255, 0.03) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            background-image:
                linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
        }

        .site-wrapper {
            position: relative;
            z-index: 1;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: #4DF2FF;
        }

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

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

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

        .grid-container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding: 64px 0;
            position: relative;
        }

        @media (max-width: 640px) {
            section {
                padding: 32px 0;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 13, 31, 0.85);
            backdrop-filter: blur(20px) saturate(140%);
            -webkit-backdrop-filter: blur(20px) saturate(140%);
            border-bottom: 1px solid rgba(0, 229, 255, 0.12);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo:hover {
            color: var(--text-primary);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(79, 140, 255, 0.15));
            border: 1px solid rgba(0, 229, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-text .cn {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #E8F0FF 60%, #00E5FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-text .en {
            font-size: 10px;
            color: var(--text-muted);
            letter-spacing: 3px;
            text-transform: uppercase;
            font-family: var(--font-mono);
        }

        .header-search {
            flex: 1;
            max-width: 400px;
            min-width: 240px;
            position: relative;
        }

        .header-search input {
            width: 100%;
            padding: 12px 20px 12px 48px;
            border-radius: var(--radius-btn);
            background: rgba(15, 27, 55, 0.6);
            border: 1px solid rgba(0, 229, 255, 0.2);
            color: var(--text-primary);
            font-size: 14px;
            transition: all 0.3s ease;
            height: 46px;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }

        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
            background: rgba(15, 27, 55, 0.8);
            outline: none;
        }

        .header-search .search-icon {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 16px;
            pointer-events: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.35s ease;
            letter-spacing: 0.3px;
            text-decoration: none;
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00E5FF 0%, #4F8CFF 100%);
            color: #06101F;
            box-shadow: var(--shadow-btn-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 0 28px rgba(0, 229, 255, 0.6);
            color: #06101F;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.4);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(0, 229, 255, 0.4);
            color: var(--primary);
            box-shadow: none;
        }

        .btn-ghost:hover {
            background: rgba(0, 229, 255, 0.08);
            border-color: var(--primary);
            color: #4DF2FF;
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 16px;
        }

        .header-nav-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 0 14px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(0, 229, 255, 0.08);
        }

        .header-nav-row a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
            position: relative;
        }

        .header-nav-row a:hover {
            color: var(--primary);
            background: rgba(0, 229, 255, 0.08);
        }

        .header-nav-row a.active {
            color: var(--primary);
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.25);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(0, 229, 255, 0.3);
            color: var(--primary);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            background: rgba(0, 229, 255, 0.1);
        }

        @media (max-width: 1024px) {
            .header-search {
                max-width: 280px;
            }
            .header-nav-row a {
                padding: 6px 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-wrap: nowrap;
                gap: 10px;
            }
            .header-search {
                min-width: 0;
                flex: 1;
                max-width: none;
            }
            .header-search input {
                height: 40px;
                padding-left: 40px;
                font-size: 13px;
            }
            .header-search .search-icon {
                left: 14px;
                font-size: 14px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
                border-radius: 8px;
            }
            .logo-text .cn {
                font-size: 17px;
                letter-spacing: 1px;
            }
            .header-actions .btn {
                padding: 7px 12px;
                font-size: 12px;
            }
            .header-actions .btn span {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-nav-row {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 10px 0 16px;
            }
            .header-nav-row.open {
                display: flex;
            }
            .header-nav-row a {
                text-align: center;
                padding: 10px 14px;
                font-size: 15px;
                border-radius: 8px;
            }
        }

        @media (max-width: 400px) {
            .header-actions .btn {
                padding: 6px 10px;
                font-size: 11px;
            }
            .logo-text .cn {
                font-size: 15px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
        }

        /* ========== HERO / METRICS ========== */
        .hero-metrics {
            position: relative;
            padding: 72px 0 64px;
            overflow: hidden;
            background-image: url('/assets/images/2ef869c19cf907b4.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-metrics::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 13, 31, 0.82) 0%, rgba(7, 13, 31, 0.88) 55%, rgba(11, 18, 38, 0.95) 100%);
            z-index: 1;
        }

        .hero-metrics::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 25% 40%, rgba(0, 229, 255, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 75% 60%, rgba(255, 107, 53, 0.08) 0%, transparent 45%);
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-bento {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 28px;
            align-items: start;
        }

        .hero-main {
            padding: 20px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.25);
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-main h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0 0 18px;
            letter-spacing: 1px;
        }

        .hero-main h1 .accent {
            color: var(--primary);
            text-shadow: 0 0 20px rgba(0, 229, 255, 0.5);
        }

        .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 28px;
            max-width: 540px;
        }

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

        .hero-mini-blocks {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .mini-block {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all 0.35s ease;
        }

        .mini-block:hover {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .mini-block .icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(0, 229, 255, 0.12);
            border: 1px solid rgba(0, 229, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .mini-block .info h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 2px;
        }

        .mini-block .info p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        .hero-metrics-side {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding: 20px 0;
        }

        .metric-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-card);
        }

        .metric-card:hover {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow), var(--shadow-card);
            transform: translateY(-2px);
        }

        .metric-card .metric-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: 1px;
            text-shadow: 0 0 16px rgba(0, 229, 255, 0.35);
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.3px;
        }

        .metric-card .metric-trend {
            font-size: 12px;
            margin-top: 4px;
            color: var(--success);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-metrics-side {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
                padding: 0;
            }
            .hero-main h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 640px) {
            .hero-metrics {
                padding: 40px 0 36px;
            }
            .hero-main h1 {
                font-size: 26px;
                letter-spacing: 0.5px;
            }
            .hero-sub {
                font-size: 14px;
                margin-bottom: 20px;
            }
            .hero-mini-blocks {
                grid-template-columns: 1fr;
            }
            .hero-metrics-side {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 14px 16px;
            }
            .metric-card .metric-value {
                font-size: 24px;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .hero-badge {
                font-size: 11px;
                padding: 4px 12px;
            }
        }

        /* ========== SECTION HEADINGS ========== */
        .section-head {
            margin-bottom: 36px;
        }

        .section-head .label {
            display: inline-block;
            font-size: 13px;
            color: var(--secondary);
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
            line-height: 1.35;
            letter-spacing: 0.5px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 640px;
            line-height: 1.8;
        }

        @media (max-width: 640px) {
            .section-head h2 {
                font-size: 22px;
            }
            .section-head p {
                font-size: 14px;
            }
        }

        /* ========== GLASS CARD ========== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all 0.4s ease;
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow), var(--shadow-card);
            transform: translateY(-4px);
        }

        /* ========== SCENE CARDS ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scene-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            transition: all 0.45s ease;
            border: 1px solid rgba(0, 229, 255, 0.15);
        }

        .scene-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 13, 31, 0.1) 0%, rgba(7, 13, 31, 0.7) 65%, rgba(7, 13, 31, 0.92) 100%);
            z-index: 1;
            transition: all 0.4s ease;
        }

        .scene-card:hover::before {
            background: linear-gradient(180deg, rgba(7, 13, 31, 0.03) 0%, rgba(7, 13, 31, 0.55) 60%, rgba(7, 13, 31, 0.85) 100%);
        }

        .scene-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.5);
            box-shadow: var(--shadow-glow);
        }

        .scene-card .scene-body {
            position: relative;
            z-index: 2;
            padding: 24px;
            width: 100%;
        }

        .scene-card .scene-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
            letter-spacing: 0.5px;
        }

        .scene-card .scene-desc {
            font-size: 13px;
            color: rgba(232, 240, 255, 0.75);
            margin: 0 0 14px;
            line-height: 1.6;
        }

        .scene-card .scene-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.3s ease;
        }

        .scene-card .scene-link i {
            transition: transform 0.3s ease;
        }

        .scene-card:hover .scene-link i {
            transform: translateX(4px);
        }

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

        @media (max-width: 640px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .scene-card {
                min-height: 220px;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 18px;
        }

        .service-matrix .service-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all 0.4s ease;
            box-shadow: var(--shadow-card);
        }

        .service-matrix .service-card:hover {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow), var(--shadow-card);
            transform: translateY(-4px);
        }

        .service-matrix .service-card.span-7 {
            grid-column: span 7;
        }
        .service-matrix .service-card.span-5 {
            grid-column: span 5;
        }
        .service-matrix .service-card.span-4 {
            grid-column: span 4;
        }
        .service-matrix .service-card.span-8 {
            grid-column: span 8;
        }
        .service-matrix .service-card.span-12 {
            grid-column: span 12;
        }

        .service-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            letter-spacing: 0.3px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 14px;
            line-height: 1.75;
        }

        .service-card .service-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        @media (max-width: 1024px) {
            .service-matrix .service-card.span-7,
            .service-matrix .service-card.span-5,
            .service-matrix .service-card.span-8 {
                grid-column: span 6;
            }
            .service-matrix .service-card.span-4 {
                grid-column: span 4;
            }
        }

        @media (max-width: 640px) {
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-matrix .service-card.span-7,
            .service-matrix .service-card.span-5,
            .service-matrix .service-card.span-4,
            .service-matrix .service-card.span-8,
            .service-matrix .service-card.span-12 {
                grid-column: span 1;
            }
            .service-card h3 {
                font-size: 16px;
            }
            .service-card p {
                font-size: 13px;
            }
        }

        /* ========== COMPARISON ========== */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: center;
        }

        .comparison-visual {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .compare-bar-row {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 16px 20px;
            transition: all 0.35s ease;
        }

        .compare-bar-row:hover {
            border-color: rgba(0, 229, 255, 0.35);
            box-shadow: var(--shadow-glow);
            transform: translateX(4px);
        }

        .compare-bar-row .compare-label {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .compare-bar-row .compare-label span:last-child {
            color: var(--primary);
            font-family: var(--font-mono);
            font-size: 15px;
        }

        .compare-track {
            height: 10px;
            background: rgba(0, 229, 255, 0.08);
            border-radius: var(--radius-btn);
            overflow: hidden;
            position: relative;
        }

        .compare-track .fill {
            height: 100%;
            border-radius: var(--radius-btn);
            background: linear-gradient(90deg, #00E5FF 0%, #4F8CFF 100%);
            transition: width 0.8s ease;
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
        }

        .compare-track .fill.orange {
            background: linear-gradient(90deg, #FF6B35 0%, #FF9A5C 100%);
            box-shadow: 0 0 10px rgba(255, 107, 53, 0.4);
        }

        .comparison-text {
            padding: 20px;
        }

        .comparison-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
        }

        .comparison-text p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 18px;
        }

        .comparison-text .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-btn);
            font-size: 12px;
            font-weight: 500;
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.2);
            color: var(--text-secondary);
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
        }

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

        @media (max-width: 1024px) {
            .comparison-wrap {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== MILESTONE TIMELINE ========== */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 28px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(0, 229, 255, 0.3), rgba(0, 229, 255, 0.05));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 28px 24px;
            transition: all 0.3s ease;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--primary);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.5);
        }

        .timeline-item:hover::before {
            background: var(--primary);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.7);
        }

        .timeline-item .time {
            font-size: 12px;
            font-family: var(--font-mono);
            color: var(--text-muted);
            letter-spacing: 1px;
            margin-bottom: 6px;
        }

        .timeline-item .title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

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

        /* ========== ABOUT BRAND ========== */
        .about-brand-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 32px;
            align-items: center;
        }

        .about-brand-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 16px;
        }

        .about-brand-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin: 0 0 14px;
        }

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

        .about-brand-side .brand-stat-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all 0.35s ease;
        }

        .about-brand-side .brand-stat-card:hover {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .about-brand-side .brand-stat-card .stat-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            min-width: 70px;
            text-align: center;
        }

        .about-brand-side .brand-stat-card .stat-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .about-brand-wrap {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            .about-brand-text h2 {
                font-size: 20px;
            }
            .about-brand-text p {
                font-size: 14px;
            }
            .about-brand-side .brand-stat-card .stat-num {
                font-size: 22px;
                min-width: 50px;
            }
            .about-brand-side .brand-stat-card {
                padding: 14px 16px;
            }
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-card {
            display: flex;
            gap: 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            transition: all 0.4s ease;
            box-shadow: var(--shadow-card);
            align-items: flex-start;
        }

        .news-card:hover {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow), var(--shadow-card);
            transform: translateX(4px);
        }

        .news-card .date-badge {
            flex-shrink: 0;
            width: 58px;
            min-height: 64px;
            border-radius: 10px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.25);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            line-height: 1.2;
        }

        .news-card .date-badge .day {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
        }

        .news-card .date-badge .month {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 1px;
        }

        .news-card .news-content {
            flex: 1;
        }

        .news-card .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.45;
        }

        .news-card .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 12px;
        }

        .news-card .news-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .news-link i {
            transition: transform 0.3s ease;
        }

        .news-card:hover .news-link i {
            transform: translateX(4px);
        }

        @media (max-width: 640px) {
            .news-card {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .news-card .date-badge {
                flex-direction: row;
                width: auto;
                min-height: auto;
                padding: 6px 14px;
                gap: 8px;
            }
            .news-card .date-badge .day {
                font-size: 16px;
            }
            .news-card .date-badge .month {
                font-size: 11px;
            }
            .news-card .news-title {
                font-size: 15px;
            }
            .news-card .news-summary {
                font-size: 13px;
            }
        }

        /* ========== PLATFORM GUARANTEE ========== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .guarantee-item {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all 0.35s ease;
        }

        .guarantee-item:hover {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .guarantee-item .gi-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .guarantee-item h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

        .guarantee-item p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

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

        @media (max-width: 640px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .guarantee-item {
                padding: 16px 18px;
            }
        }

        /* ========== QUICK FAQ ========== */
        .quick-faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .quick-faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: all 0.35s ease;
        }

        .quick-faq-item:hover {
            border-color: rgba(0, 229, 255, 0.35);
            box-shadow: var(--shadow-glow);
        }

        .quick-faq-item .qf-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .quick-faq-item h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 4px;
        }

        .quick-faq-item p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        @media (max-width: 640px) {
            .quick-faq-item {
                padding: 14px 16px;
                gap: 10px;
            }
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-accordion-item {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.35s ease;
        }

        .faq-accordion-item.active {
            border-color: rgba(0, 229, 255, 0.45);
            box-shadow: var(--shadow-glow);
        }

        .faq-accordion-trigger {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-align: left;
            transition: all 0.3s ease;
        }

        .faq-accordion-trigger:hover {
            color: var(--primary);
        }

        .faq-accordion-trigger .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary);
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .faq-accordion-item.active .faq-accordion-trigger .faq-icon {
            transform: rotate(45deg);
            background: rgba(0, 229, 255, 0.2);
        }

        .faq-accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-accordion-item.active .faq-accordion-content {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .faq-accordion-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        @media (max-width: 640px) {
            .faq-accordion-trigger {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-accordion-content p {
                font-size: 13px;
            }
            .faq-accordion-item.active .faq-accordion-content {
                padding: 0 16px 16px;
            }
        }

        /* ========== CONVERT FORM ========== */
        .cta-form-section {
            padding: 48px 0 64px;
        }

        .cta-form-card {
            background: var(--glass-bg);
            backdrop-filter: blur(20px) saturate(140%);
            -webkit-backdrop-filter: blur(20px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 40px 44px;
            box-shadow: var(--shadow-card);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-form-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-form-card h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            position: relative;
        }

        .cta-form-card p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
        }

        .cta-form {
            display: flex;
            gap: 14px;
            max-width: 520px;
            margin: 0 auto;
            position: relative;
        }

        .cta-form input[type="email"] {
            flex: 1;
            padding: 14px 20px;
            border-radius: var(--radius-btn);
            background: rgba(15, 27, 55, 0.7);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--text-primary);
            font-size: 14px;
            transition: all 0.3s ease;
            height: 50px;
        }

        .cta-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
            outline: none;
            background: rgba(15, 27, 55, 0.9);
        }

        .cta-form .btn {
            height: 50px;
            padding: 0 28px;
            font-size: 15px;
            white-space: nowrap;
        }

        .cta-form-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 14px;
            position: relative;
        }

        @media (max-width: 640px) {
            .cta-form-card {
                padding: 28px 18px;
                border-radius: 16px;
            }
            .cta-form-card h2 {
                font-size: 20px;
            }
            .cta-form-card p {
                font-size: 13px;
                margin-bottom: 20px;
            }
            .cta-form {
                flex-direction: column;
                gap: 10px;
            }
            .cta-form input[type="email"] {
                height: 46px;
                width: 100%;
            }
            .cta-form .btn {
                height: 46px;
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #060A18;
            border-top: 1px solid rgba(0, 229, 255, 0.1);
            padding: 48px 0 24px;
            position: relative;
            z-index: 2;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

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

        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 300px;
            margin: 0;
        }

        .footer-col h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }

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

        .footer-contact p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0 0 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact p i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(0, 229, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
        }

        .footer-bottom .copyright {
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            font-size: 12px;
        }

        .footer-bottom .footer-links a {
            color: var(--text-muted);
            transition: all 0.3s ease;
        }

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

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

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-bottom .footer-links {
                gap: 12px;
            }
        }

        /* ========== COUNTDOWN BAR ========== */
        .countdown-bar {
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.12) 0%, rgba(0, 229, 255, 0.08) 100%);
            border-bottom: 1px solid rgba(255, 107, 53, 0.25);
            padding: 8px 0;
            font-size: 13px;
            color: var(--text-secondary);
            text-align: center;
            letter-spacing: 0.5px;
            position: relative;
            z-index: 99;
        }

        .countdown-bar .highlight {
            color: var(--secondary);
            font-weight: 700;
            font-family: var(--font-mono);
        }

        /* ========== FOUNDATION OVERRIDES ========== */
        .foundation-accordion {
            border: none;
            background: transparent;
        }

        .foundation-accordion .accordion-item {
            border: none;
            background: transparent;
        }

        .foundation-accordion .accordion-title {
            border: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 22px;
        }

        .foundation-accordion .accordion-title:hover {
            background: transparent;
            color: var(--primary);
        }

        .foundation-accordion .accordion-content {
            border: none;
            background: transparent;
            color: var(--text-secondary);
            font-size: 14px;
        }

        @media (max-width: 640px) {
            .foundation-accordion .accordion-title {
                font-size: 14px;
                padding: 14px 16px;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }

        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }

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

        .section-divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.2), transparent);
            margin: 0;
        }

/* roulang page: category3 */
:root {
        --bg-primary: #070D1F;
        --bg-secondary: #0B1226;
        --panel-bg: #0F1B33;
        --glass-bg: rgba(15, 27, 55, 0.55);
        --glass-border: rgba(0, 229, 255, 0.18);
        --primary: #00E5FF;
        --secondary: #FF6B35;
        --success: #2CEAA3;
        --warning: #FFC857;
        --danger: #FF5C7A;
        --text-primary: #E8F0FF;
        --text-secondary: #9FB1CC;
        --text-muted: #6B7C99;
        --radius-card: 14px;
        --radius-btn: 999px;
        --radius-input: 12px;
        --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
        --shadow-glow: 0 0 16px rgba(0, 229, 255, 0.35);
        --shadow-btn-glow: 0 0 18px rgba(0, 229, 255, 0.45);
        --font-mono: 'Roboto Mono', 'Oswald', 'Consolas', monospace;
        --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        margin: 0;
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-primary);
        background-color: var(--bg-primary);
        background-image:
            radial-gradient(ellipse at 20% 10%, rgba(0, 229, 255, 0.06) 0%, transparent 55%),
            radial-gradient(ellipse at 80% 30%, rgba(255, 107, 53, 0.04) 0%, transparent 50%),
            radial-gradient(ellipse at 50% 70%, rgba(0, 229, 255, 0.03) 0%, transparent 45%);
        background-attachment: fixed;
        min-height: 100vh;
        overflow-x: hidden;
    }

    body::before {
        content: '';
        position: fixed;
        inset: 0;
        pointer-events: none;
        z-index: 0;
        background-image:
            linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
            linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
        background-size: 48px 48px;
        mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
    }

    .site-wrapper {
        position: relative;
        z-index: 1;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #4DF2FF;
    }

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

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

    .grid-container {
        max-width: 1280px;
        padding-left: 20px;
        padding-right: 20px;
    }

    section {
        padding: 56px 0;
        position: relative;
    }

    .section-head {
        margin-bottom: 36px;
    }

    .section-head h2 {
        font-size: 26px;
        font-weight: 700;
        letter-spacing: 0.5px;
        margin: 0 0 10px 0;
        color: var(--text-primary);
    }

    .section-head p {
        color: var(--text-secondary);
        font-size: 15px;
        margin: 0;
        max-width: 680px;
    }

    .section-badge {
        display: inline-block;
        font-size: 12px;
        font-family: var(--font-mono);
        letter-spacing: 2px;
        color: var(--primary);
        text-transform: uppercase;
        margin-bottom: 8px;
        border: 1px solid rgba(0, 229, 255, 0.3);
        padding: 3px 12px;
        border-radius: 999px;
        background: rgba(0, 229, 255, 0.08);
    }

    /* HEADER */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(7, 13, 31, 0.88);
        backdrop-filter: blur(20px) saturate(140%);
        -webkit-backdrop-filter: blur(20px) saturate(140%);
        border-bottom: 1px solid rgba(0, 229, 255, 0.12);
        transition: box-shadow 0.3s ease;
    }

    .site-header.scrolled {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    }

    .header-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        padding: 14px 0;
        flex-wrap: wrap;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 24px;
        font-weight: 700;
        color: var(--text-primary);
        white-space: nowrap;
        letter-spacing: 0.5px;
    }

    .logo:hover {
        color: var(--text-primary);
    }

    .logo-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(79, 140, 255, 0.15));
        border: 1px solid rgba(0, 229, 255, 0.35);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: var(--primary);
        flex-shrink: 0;
    }

    .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
    }

    .logo-text .cn {
        font-size: 20px;
        font-weight: 700;
        letter-spacing: 2px;
        background: linear-gradient(135deg, #E8F0FF 60%, #00E5FF);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .logo-text .en {
        font-size: 10px;
        color: var(--text-muted);
        letter-spacing: 3px;
        text-transform: uppercase;
        font-family: var(--font-mono);
    }

    .header-search {
        flex: 1;
        max-width: 400px;
        min-width: 240px;
        position: relative;
    }

    .header-search .search-icon {
        position: absolute;
        left: 18px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
        font-size: 15px;
        pointer-events: none;
    }

    .header-search input {
        width: 100%;
        padding: 12px 20px 12px 48px;
        border-radius: var(--radius-btn);
        background: rgba(15, 27, 55, 0.6);
        border: 1px solid rgba(0, 229, 255, 0.2);
        color: var(--text-primary);
        font-size: 14px;
        transition: all 0.3s ease;
        height: 46px;
    }

    .header-search input::placeholder {
        color: var(--text-muted);
        font-size: 13px;
    }

    .header-search input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
        background: rgba(15, 27, 55, 0.8);
        outline: none;
    }

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

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 22px;
        border-radius: var(--radius-btn);
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
        border: none;
        letter-spacing: 0.3px;
        white-space: nowrap;
    }

    .btn-primary {
        background: linear-gradient(135deg, #00E5FF, #4F8CFF);
        color: #06101F;
        box-shadow: var(--shadow-btn-glow);
    }

    .btn-primary:hover {
        transform: translateY(-2px) scale(1.02);
        box-shadow: 0 0 28px rgba(0, 229, 255, 0.6);
        color: #06101F;
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
    }

    .btn-sm {
        padding: 8px 16px;
        font-size: 13px;
    }

    .btn-outline {
        background: transparent;
        border: 1px solid rgba(0, 229, 255, 0.4);
        color: var(--primary);
    }

    .btn-outline:hover {
        background: rgba(0, 229, 255, 0.1);
        transform: translateY(-2px);
        box-shadow: 0 0 16px rgba(0, 229, 255, 0.25);
        color: var(--primary);
    }

    .nav-toggle {
        display: none;
        background: transparent;
        border: 1px solid rgba(0, 229, 255, 0.3);
        border-radius: 10px;
        padding: 8px 14px;
        color: var(--text-primary);
        font-size: 18px;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .nav-toggle:hover {
        background: rgba(0, 229, 255, 0.1);
    }

    .header-nav-row {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 10px 0 14px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .header-nav-row a {
        display: inline-flex;
        align-items: center;
        padding: 8px 18px;
        border-radius: 999px;
        font-size: 14px;
        color: var(--text-secondary);
        transition: all 0.3s ease;
        white-space: nowrap;
        border: 1px solid transparent;
    }

    .header-nav-row a:hover {
        color: var(--text-primary);
        background: rgba(0, 229, 255, 0.06);
    }

    .header-nav-row a.active {
        color: var(--primary);
        background: rgba(0, 229, 255, 0.1);
        border-color: rgba(0, 229, 255, 0.3);
        font-weight: 600;
    }

    /* FOOTER */
    .site-footer {
        background: rgba(7, 13, 31, 0.95);
        border-top: 1px solid rgba(0, 229, 255, 0.1);
        padding: 56px 0 24px;
        margin-top: 40px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 32px;
        margin-bottom: 40px;
    }

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

    .footer-brand p {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.8;
        margin: 0;
    }

    .footer-col h3 {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        letter-spacing: 1px;
        margin: 0 0 16px;
    }

    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-col ul li {
        margin-bottom: 10px;
    }

    .footer-col ul li a {
        color: var(--text-secondary);
        font-size: 14px;
        transition: color 0.3s ease;
    }

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

    .footer-contact p {
        color: var(--text-secondary);
        font-size: 14px;
        margin: 0 0 10px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .footer-contact i {
        color: var(--primary);
        width: 18px;
        text-align: center;
    }

    .footer-bottom {
        border-top: 1px solid rgba(0, 229, 255, 0.08);
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }

    .copyright {
        color: var(--text-muted);
        font-size: 13px;
    }

    .footer-links {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .footer-links a {
        color: var(--text-secondary);
        font-size: 13px;
    }

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

    /* PAGE SPECIFIC STYLES */
    .archive-hero {
        padding: 48px 0 32px;
        position: relative;
    }

    .archive-hero .h1-wrap {
        max-width: 800px;
    }

    .archive-hero h1 {
        font-size: 34px;
        font-weight: 700;
        letter-spacing: 1px;
        margin: 0 0 14px;
        line-height: 1.35;
        color: var(--text-primary);
    }

    .archive-hero .subtitle {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 720px;
        margin: 0;
        line-height: 1.8;
    }

    .hero-meta {
        display: flex;
        gap: 24px;
        margin-top: 20px;
        flex-wrap: wrap;
    }

    .hero-meta-item {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--text-muted);
        font-size: 13px;
        font-family: var(--font-mono);
    }

    .hero-meta-item i {
        color: var(--primary);
        font-size: 14px;
    }

    .team-card {
        background: var(--glass-bg);
        backdrop-filter: blur(16px) saturate(140%);
        -webkit-backdrop-filter: blur(16px) saturate(140%);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        padding: 22px;
        box-shadow: var(--shadow-card);
        transition: all 0.35s ease;
        height: 100%;
        position: relative;
        overflow: hidden;
    }

    .team-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, transparent, var(--primary), transparent);
        opacity: 0;
        transition: opacity 0.35s ease;
    }

    .team-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 0 20px rgba(0, 229, 255, 0.25), 0 14px 36px rgba(0, 0, 0, 0.45);
        border-color: rgba(0, 229, 255, 0.4);
    }

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

    .team-card-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 14px;
    }

    .team-region {
        display: inline-block;
        font-size: 12px;
        padding: 4px 12px;
        border-radius: 999px;
        background: rgba(0, 229, 255, 0.08);
        border: 1px solid rgba(0, 229, 255, 0.25);
        color: var(--primary);
        letter-spacing: 1px;
    }

    .team-rank {
        font-family: var(--font-mono);
        font-size: 24px;
        font-weight: 700;
        color: var(--secondary);
        line-height: 1;
    }

    .team-name {
        font-size: 20px;
        font-weight: 700;
        margin: 0 0 6px;
        color: var(--text-primary);
    }

    .team-stats-row {
        display: flex;
        gap: 18px;
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid rgba(0, 229, 255, 0.1);
        flex-wrap: wrap;
    }

    .team-stat {
        text-align: center;
        flex: 1;
        min-width: 60px;
    }

    .team-stat .stat-num {
        font-family: var(--font-mono);
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        display: block;
        line-height: 1.2;
    }

    .team-stat .stat-label {
        font-size: 11px;
        color: var(--text-muted);
        letter-spacing: 0.5px;
    }

    .team-card img {
        border-radius: 10px;
        margin-bottom: 14px;
        aspect-ratio: 16/9;
        object-fit: cover;
        width: 100%;
    }

    .player-card {
        background: var(--glass-bg);
        backdrop-filter: blur(16px) saturate(140%);
        -webkit-backdrop-filter: blur(16px) saturate(140%);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        padding: 22px;
        box-shadow: var(--shadow-card);
        transition: all 0.35s ease;
        height: 100%;
        text-align: center;
    }

    .player-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-glow), 0 14px 36px rgba(0, 0, 0, 0.45);
        border-color: rgba(0, 229, 255, 0.4);
    }

    .player-card img {
        width: 100px;
        height: 100px;
        border-radius: 50%;
        object-fit: cover;
        margin: 0 auto 14px;
        border: 2px solid rgba(0, 229, 255, 0.4);
    }

    .player-name {
        font-size: 18px;
        font-weight: 700;
        margin: 0 0 4px;
    }

    .player-role {
        font-size: 13px;
        color: var(--primary);
        margin-bottom: 10px;
        letter-spacing: 1px;
    }

    .player-stats {
        display: flex;
        justify-content: center;
        gap: 16px;
        font-family: var(--font-mono);
        font-size: 13px;
        color: var(--text-secondary);
    }

    .comparison-bar-wrap {
        margin-bottom: 18px;
    }

    .comparison-bar-label {
        display: flex;
        justify-content: space-between;
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 6px;
    }

    .comparison-bar-track {
        height: 10px;
        background: rgba(0, 229, 255, 0.08);
        border-radius: 999px;
        overflow: hidden;
        border: 1px solid rgba(0, 229, 255, 0.12);
    }

    .comparison-bar-fill {
        height: 100%;
        border-radius: 999px;
        transition: width 0.8s ease;
        background: linear-gradient(90deg, var(--primary), #4F8CFF);
        box-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
    }

    .transfer-item {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 14px 18px;
        background: rgba(15, 27, 55, 0.35);
        border: 1px solid rgba(0, 229, 255, 0.1);
        border-radius: 12px;
        margin-bottom: 10px;
        transition: all 0.3s ease;
    }

    .transfer-item:hover {
        border-color: rgba(0, 229, 255, 0.3);
        background: rgba(15, 27, 55, 0.55);
    }

    .transfer-date {
        font-family: var(--font-mono);
        font-size: 12px;
        color: var(--text-muted);
        min-width: 80px;
    }

    .transfer-info {
        flex: 1;
        font-size: 14px;
        color: var(--text-secondary);
    }

    .transfer-tag {
        display: inline-block;
        font-size: 11px;
        padding: 3px 10px;
        border-radius: 999px;
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .transfer-tag.in {
        background: rgba(44, 234, 163, 0.12);
        color: var(--success);
        border: 1px solid rgba(44, 234, 163, 0.3);
    }

    .transfer-tag.out {
        background: rgba(255, 92, 122, 0.12);
        color: var(--danger);
        border: 1px solid rgba(255, 92, 122, 0.3);
    }

    .honor-card {
        background: var(--glass-bg);
        backdrop-filter: blur(16px) saturate(140%);
        -webkit-backdrop-filter: blur(16px) saturate(140%);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        padding: 20px;
        text-align: center;
        transition: all 0.35s ease;
        height: 100%;
    }

    .honor-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-glow), 0 10px 28px rgba(0, 0, 0, 0.4);
        border-color: rgba(255, 200, 87, 0.4);
    }

    .honor-icon {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: rgba(255, 200, 87, 0.1);
        border: 1px solid rgba(255, 200, 87, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 12px;
        font-size: 22px;
        color: var(--warning);
    }

    .honor-year {
        font-family: var(--font-mono);
        font-size: 12px;
        color: var(--text-muted);
        letter-spacing: 1px;
        margin-bottom: 4px;
    }

    .honor-name {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .subscribe-panel {
        background: var(--glass-bg);
        backdrop-filter: blur(16px) saturate(140%);
        -webkit-backdrop-filter: blur(16px) saturate(140%);
        border: 1px solid rgba(0, 229, 255, 0.25);
        border-radius: var(--radius-card);
        padding: 36px 28px;
        text-align: center;
        box-shadow: var(--shadow-card);
        position: relative;
        overflow: hidden;
    }

    .subscribe-panel::before {
        content: '';
        position: absolute;
        top: -50%;
        left: 50%;
        transform: translateX(-50%);
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
        pointer-events: none;
    }

    .subscribe-panel h2 {
        font-size: 24px;
        font-weight: 700;
        margin: 0 0 10px;
        color: var(--text-primary);
        position: relative;
        z-index: 1;
    }

    .subscribe-panel p {
        color: var(--text-secondary);
        font-size: 15px;
        margin: 0 auto 24px;
        max-width: 480px;
        position: relative;
        z-index: 1;
    }

    .subscribe-form {
        display: flex;
        gap: 10px;
        max-width: 480px;
        margin: 0 auto;
        position: relative;
        z-index: 1;
    }

    .subscribe-form input {
        flex: 1;
        padding: 12px 20px;
        border-radius: var(--radius-input);
        background: rgba(15, 27, 55, 0.7);
        border: 1px solid rgba(0, 229, 255, 0.25);
        color: var(--text-primary);
        font-size: 14px;
        transition: all 0.3s ease;
    }

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

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

    .privacy-note {
        font-size: 12px;
        color: var(--text-muted);
        margin-top: 14px;
        position: relative;
        z-index: 1;
    }

    /* RESPONSIVE */
    @media (max-width: 1024px) {
        .header-search {
            max-width: 300px;
        }
        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .archive-hero h1 {
            font-size: 28px;
        }
        section {
            padding: 40px 0;
        }
    }

    @media (max-width: 768px) {
        .header-top {
            flex-wrap: wrap;
            gap: 12px;
        }
        .header-search {
            order: 3;
            flex: 1 1 100%;
            max-width: 100%;
            min-width: 100%;
        }
        .header-actions {
            margin-left: auto;
        }
        .header-nav-row {
            justify-content: flex-start;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 10px;
            flex-wrap: nowrap;
            gap: 2px;
        }
        .header-nav-row a {
            padding: 7px 14px;
            font-size: 13px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
        }
        section {
            padding: 32px 0;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 8px;
        }
        .archive-hero h1 {
            font-size: 24px;
        }
        .subscribe-form {
            flex-direction: column;
        }
        .subscribe-form .btn {
            width: 100%;
            justify-content: center;
        }
        .team-stats-row {
            gap: 10px;
        }
        .team-stat .stat-num {
            font-size: 15px;
        }
    }

    @media (max-width: 520px) {
        .header-top {
            padding: 10px 0;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
            border-radius: 8px;
        }
        .logo-text .cn {
            font-size: 17px;
            letter-spacing: 1px;
        }
        .logo-text .en {
            font-size: 8px;
            letter-spacing: 2px;
        }
        .btn-sm span {
            display: none;
        }
        .btn-sm {
            padding: 8px 12px;
        }
        .archive-hero h1 {
            font-size: 21px;
        }
        .team-card {
            padding: 16px;
        }
        .team-name {
            font-size: 17px;
        }
        .transfer-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .transfer-date {
            min-width: auto;
        }
    }

    @media (min-width: 769px) {
        .header-nav-row {
            display: flex !important;
        }
    }

    @media (max-width: 768px) {
        .site-header .header-nav-row {
            display: none;
        }
        .site-header.nav-open .header-nav-row {
            display: flex;
        }
        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
    }

/* roulang page: category1 */
:root {
        --bg-primary: #070D1F;
        --bg-secondary: #0B1226;
        --panel-bg: #0F1B33;
        --glass-bg: rgba(15, 27, 55, 0.55);
        --glass-border: rgba(0, 229, 255, 0.18);
        --primary: #00E5FF;
        --secondary: #FF6B35;
        --success: #2CEAA3;
        --warning: #FFC857;
        --danger: #FF5C7A;
        --text-primary: #E8F0FF;
        --text-secondary: #9FB1CC;
        --text-muted: #6B7C99;
        --radius-card: 14px;
        --radius-btn: 999px;
        --radius-input: 12px;
        --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
        --shadow-glow: 0 0 16px rgba(0, 229, 255, 0.35);
        --shadow-btn-glow: 0 0 18px rgba(0, 229, 255, 0.45);
        --font-mono: 'Roboto Mono', 'Oswald', 'Consolas', monospace;
        --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        margin: 0;
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-primary);
        background-color: var(--bg-primary);
        background-image:
            radial-gradient(ellipse at 20% 10%, rgba(0, 229, 255, 0.06) 0%, transparent 55%),
            radial-gradient(ellipse at 80% 30%, rgba(255, 107, 53, 0.04) 0%, transparent 50%),
            radial-gradient(ellipse at 50% 70%, rgba(0, 229, 255, 0.03) 0%, transparent 45%);
        background-attachment: fixed;
        min-height: 100vh;
        overflow-x: hidden;
    }
    body::before {
        content: '';
        position: fixed;
        inset: 0;
        pointer-events: none;
        z-index: 0;
        background-image:
            linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
            linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
        background-size: 48px 48px;
        -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
        mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
    }
    .site-wrapper {
        position: relative;
        z-index: 1;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 0.3s ease;
    }
    a:hover {
        color: #4DF2FF;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
    }
    .grid-container {
        max-width: 1280px;
        padding-left: 20px;
        padding-right: 20px;
    }
    section {
        padding: 48px 0;
        position: relative;
    }
    /* ========== HEADER / NAV ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(7, 13, 31, 0.85);
        backdrop-filter: blur(20px) saturate(140%);
        -webkit-backdrop-filter: blur(20px) saturate(140%);
        border-bottom: 1px solid rgba(0, 229, 255, 0.12);
        transition: box-shadow 0.3s ease;
    }
    .site-header.scrolled {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    }
    .header-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        padding: 14px 0;
        flex-wrap: wrap;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 24px;
        font-weight: 700;
        color: var(--text-primary);
        white-space: nowrap;
        letter-spacing: 0.5px;
    }
    .logo:hover {
        color: var(--text-primary);
    }
    .logo-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(79, 140, 255, 0.15));
        border: 1px solid rgba(0, 229, 255, 0.35);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: var(--primary);
        flex-shrink: 0;
    }
    .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
    }
    .logo-text .cn {
        font-size: 20px;
        font-weight: 700;
        letter-spacing: 2px;
        background: linear-gradient(135deg, #E8F0FF 60%, #00E5FF);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .logo-text .en {
        font-size: 10px;
        color: var(--text-muted);
        letter-spacing: 3px;
        text-transform: uppercase;
        font-family: var(--font-mono);
    }
    .header-search {
        flex: 1;
        max-width: 400px;
        min-width: 240px;
        position: relative;
    }
    .header-search input {
        width: 100%;
        padding: 12px 20px 12px 48px;
        border-radius: var(--radius-btn);
        background: rgba(15, 27, 55, 0.6);
        border: 1px solid rgba(0, 229, 255, 0.2);
        color: var(--text-primary);
        font-size: 14px;
        transition: all 0.3s ease;
        height: 46px;
    }
    .header-search input::placeholder {
        color: var(--text-muted);
        font-size: 13px;
    }
    .header-search input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
        background: rgba(15, 27, 55, 0.8);
        outline: none;
    }
    .search-icon {
        position: absolute;
        left: 18px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
        font-size: 15px;
        pointer-events: none;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-weight: 600;
        border-radius: var(--radius-btn);
        cursor: pointer;
        transition: all 0.3s ease;
        border: none;
        padding: 12px 24px;
        font-size: 14px;
        letter-spacing: 0.5px;
        text-decoration: none;
    }
    .btn-primary {
        background: linear-gradient(135deg, #00E5FF, #4F8CFF);
        color: #06101F;
        box-shadow: var(--shadow-btn-glow);
        border: 1px solid rgba(0, 229, 255, 0.5);
    }
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 28px rgba(0, 229, 255, 0.6);
        color: #06101F;
    }
    .btn-primary:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
    .btn-sm {
        padding: 9px 16px;
        font-size: 13px;
    }
    .btn-ghost {
        background: transparent;
        color: var(--primary);
        border: 1px solid rgba(0, 229, 255, 0.4);
    }
    .btn-ghost:hover {
        background: rgba(0, 229, 255, 0.1);
        border-color: var(--primary);
        color: #4DF2FF;
        box-shadow: 0 0 16px rgba(0, 229, 255, 0.25);
    }
    .nav-toggle {
        display: none;
        background: rgba(15, 27, 55, 0.6);
        border: 1px solid rgba(0, 229, 255, 0.25);
        color: var(--primary);
        border-radius: 10px;
        padding: 8px 12px;
        font-size: 18px;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    .nav-toggle:hover {
        background: rgba(0, 229, 255, 0.15);
    }
    .header-nav-row {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px 20px;
        padding: 10px 0;
        border-top: 1px solid rgba(0, 229, 255, 0.08);
    }
    .header-nav-row a {
        color: var(--text-secondary);
        font-size: 14px;
        font-weight: 500;
        padding: 6px 12px;
        border-radius: 999px;
        transition: all 0.3s ease;
        white-space: nowrap;
    }
    .header-nav-row a:hover {
        color: var(--primary);
        background: rgba(0, 229, 255, 0.08);
    }
    .header-nav-row a.active {
        color: var(--primary);
        background: rgba(0, 229, 255, 0.12);
        border: 1px solid rgba(0, 229, 255, 0.25);
    }
    /* ========== PAGE HERO ========== */
    .page-hero {
        padding: 48px 0 32px;
        background:
            linear-gradient(180deg, rgba(7, 13, 31, 0.75) 0%, rgba(7, 13, 31, 0.92) 100%),
            url('/assets/images/2ef869c19cf907b4.webp') center center / cover no-repeat;
        position: relative;
    }
    .page-hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background:
            radial-gradient(ellipse at 70% 30%, rgba(0, 229, 255, 0.12) 0%, transparent 50%),
            radial-gradient(ellipse at 20% 60%, rgba(255, 107, 53, 0.08) 0%, transparent 45%);
        pointer-events: none;
    }
    .page-hero .grid-container {
        position: relative;
        z-index: 1;
    }
    .page-hero h1 {
        font-size: 36px;
        font-weight: 700;
        line-height: 1.3;
        margin: 0 0 12px;
        color: var(--text-primary);
        letter-spacing: 1px;
    }
    .page-hero .hero-sub {
        font-size: 17px;
        color: var(--text-secondary);
        max-width: 760px;
        line-height: 1.8;
        margin: 0;
    }
    /* ========== FILTER BAR ========== */
    .filter-bar {
        background: rgba(15, 27, 55, 0.65);
        backdrop-filter: blur(14px) saturate(140%);
        -webkit-backdrop-filter: blur(14px) saturate(140%);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        padding: 20px 24px;
        margin-top: -16px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 16px 20px;
        position: relative;
        z-index: 2;
        box-shadow: var(--shadow-card);
    }
    .filter-group {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .filter-group label {
        color: var(--text-muted);
        font-size: 13px;
        white-space: nowrap;
        font-weight: 500;
    }
    .filter-group select {
        background: rgba(7, 13, 31, 0.8);
        border: 1px solid rgba(0, 229, 255, 0.2);
        color: var(--text-primary);
        border-radius: 10px;
        padding: 9px 14px;
        font-size: 14px;
        min-width: 140px;
        cursor: pointer;
        transition: all 0.3s ease;
        appearance: none;
        -webkit-appearance: none;
        -moz-appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300E5FF' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 12px center;
        padding-right: 36px;
    }
    .filter-group select:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
        outline: none;
    }
    .filter-group select option {
        background: #0F1B33;
        color: var(--text-primary);
    }
    .filter-submit {
        margin-left: auto;
    }
    /* ========== SCHEDULE LIST ========== */
    .schedule-card {
        background: var(--glass-bg);
        backdrop-filter: blur(16px) saturate(140%);
        -webkit-backdrop-filter: blur(16px) saturate(140%);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        padding: 18px 20px;
        display: flex;
        align-items: center;
        gap: 18px;
        margin-bottom: 16px;
        transition: all 0.35s ease;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        flex-wrap: wrap;
    }
    .schedule-card:hover {
        transform: translateY(-3px);
        border-color: rgba(0, 229, 255, 0.4);
        box-shadow: var(--shadow-glow), 0 10px 30px rgba(0, 0, 0, 0.4);
    }
    .schedule-date-badge {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: rgba(7, 13, 31, 0.7);
        border: 1px solid rgba(0, 229, 255, 0.2);
        border-radius: 10px;
        padding: 10px 14px;
        min-width: 72px;
        flex-shrink: 0;
    }
    .schedule-date-badge .day {
        font-size: 24px;
        font-weight: 700;
        color: var(--primary);
        font-family: var(--font-mono);
        line-height: 1.2;
    }
    .schedule-date-badge .month {
        font-size: 12px;
        color: var(--text-muted);
    }
    .schedule-info {
        flex: 1;
        min-width: 200px;
    }
    .schedule-league {
        font-size: 13px;
        color: var(--warning);
        font-weight: 600;
        letter-spacing: 0.5px;
        margin: 0 0 4px;
        text-transform: uppercase;
    }
    .schedule-teams {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 4px;
    }
    .schedule-meta {
        font-size: 13px;
        color: var(--text-muted);
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }
    .schedule-meta span {
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }
    .schedule-score {
        font-size: 20px;
        font-weight: 700;
        font-family: var(--font-mono);
        color: var(--primary);
        background: rgba(0, 229, 255, 0.08);
        border: 1px solid rgba(0, 229, 255, 0.25);
        border-radius: 10px;
        padding: 8px 16px;
        flex-shrink: 0;
        min-width: 70px;
        text-align: center;
    }
    .schedule-score.status-upcoming {
        color: var(--warning);
        border-color: rgba(255, 200, 87, 0.3);
        background: rgba(255, 200, 87, 0.08);
        font-size: 15px;
    }
    .schedule-score.status-live {
        color: var(--danger);
        border-color: rgba(255, 92, 122, 0.4);
        background: rgba(255, 92, 122, 0.1);
        font-size: 14px;
        letter-spacing: 1px;
    }
    .schedule-thumb {
        width: 64px;
        height: 64px;
        border-radius: 10px;
        overflow: hidden;
        flex-shrink: 0;
        border: 1px solid rgba(0, 229, 255, 0.15);
    }
    .schedule-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    /* ========== FOCUS MATCHES ========== */
    .focus-card {
        background: var(--glass-bg);
        backdrop-filter: blur(16px) saturate(140%);
        -webkit-backdrop-filter: blur(16px) saturate(140%);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: all 0.35s ease;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    .focus-card:hover {
        transform: translateY(-4px);
        border-color: rgba(0, 229, 255, 0.4);
        box-shadow: var(--shadow-glow), 0 12px 36px rgba(0, 0, 0, 0.45);
    }
    .focus-card-img {
        height: 200px;
        overflow: hidden;
        position: relative;
    }
    .focus-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .focus-card:hover .focus-card-img img {
        transform: scale(1.05);
    }
    .focus-card-img::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 50%, rgba(7, 13, 31, 0.85) 100%);
    }
    .focus-card-body {
        padding: 20px 22px 22px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .focus-tag {
        display: inline-block;
        background: rgba(0, 229, 255, 0.12);
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
        letter-spacing: 0.5px;
        margin-bottom: 10px;
        align-self: flex-start;
        border: 1px solid rgba(0, 229, 255, 0.25);
    }
    .focus-card-body h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 8px;
        line-height: 1.4;
    }
    .focus-card-body p {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.7;
        margin: 0 0 14px;
        flex: 1;
    }
    .focus-card-body .focus-meta {
        font-size: 13px;
        color: var(--text-muted);
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        align-items: center;
        margin-bottom: 14px;
    }
    .focus-card-body .focus-meta i {
        color: var(--primary);
        margin-right: 4px;
    }
    .focus-card-body .btn {
        align-self: flex-start;
    }
    /* ========== SECTION HEADINGS ========== */
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--primary);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 2px;
        text-transform: uppercase;
        margin-bottom: 10px;
    }
    .section-label i {
        font-size: 14px;
    }
    .section-title {
        font-size: 28px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 14px;
        line-height: 1.35;
        letter-spacing: 0.5px;
    }
    .section-desc {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 720px;
        line-height: 1.8;
        margin: 0;
    }
    .text-center {
        text-align: center;
    }
    .text-center .section-desc {
        margin-left: auto;
        margin-right: auto;
    }
    /* ========== FORMAT INFO ========== */
    .format-card {
        background: var(--glass-bg);
        backdrop-filter: blur(14px) saturate(140%);
        -webkit-backdrop-filter: blur(14px) saturate(140%);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        padding: 24px 26px;
        display: flex;
        gap: 20px;
        align-items: flex-start;
        transition: all 0.3s ease;
        height: 100%;
    }
    .format-card:hover {
        border-color: rgba(0, 229, 255, 0.35);
        box-shadow: var(--shadow-glow);
    }
    .format-icon {
        width: 44px;
        height: 44px;
        border-radius: 10px;
        background: rgba(0, 229, 255, 0.1);
        border: 1px solid rgba(0, 229, 255, 0.25);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 20px;
        flex-shrink: 0;
    }
    .format-card h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 6px;
        line-height: 1.4;
    }
    .format-card p {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.7;
        margin: 0;
    }
    /* ========== WATCH TIPS ========== */
    .tip-item {
        background: var(--glass-bg);
        backdrop-filter: blur(14px) saturate(140%);
        -webkit-backdrop-filter: blur(14px) saturate(140%);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        padding: 20px 24px;
        margin-bottom: 14px;
        display: flex;
        align-items: flex-start;
        gap: 16px;
        transition: all 0.3s ease;
    }
    .tip-item:hover {
        border-color: rgba(0, 229, 255, 0.35);
        box-shadow: 0 0 16px rgba(0, 229, 255, 0.15);
    }
    .tip-number {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(255, 107, 53, 0.15);
        border: 1px solid rgba(255, 107, 53, 0.35);
        color: var(--secondary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 14px;
        flex-shrink: 0;
        font-family: var(--font-mono);
    }
    .tip-item h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 6px;
        line-height: 1.4;
    }
    .tip-item p {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.7;
        margin: 0;
    }
    /* ========== SUBSCRIBE CTA ========== */
    .subscribe-section {
        background: linear-gradient(135deg, rgba(0, 229, 255, 0.05) 0%, rgba(79, 140, 255, 0.04) 50%, rgba(255, 107, 53, 0.03) 100%);
        border-top: 1px solid rgba(0, 229, 255, 0.1);
        border-bottom: 1px solid rgba(0, 229, 255, 0.1);
    }
    .subscribe-wrapper {
        background: var(--glass-bg);
        backdrop-filter: blur(18px) saturate(140%);
        -webkit-backdrop-filter: blur(18px) saturate(140%);
        border: 1px solid rgba(0, 229, 255, 0.25);
        border-radius: var(--radius-card);
        padding: 36px 32px;
        text-align: center;
        max-width: 680px;
        margin: 0 auto;
        box-shadow: var(--shadow-card);
    }
    .subscribe-wrapper h2 {
        font-size: 24px;
        font-weight: 700;
        margin: 0 0 10px;
        color: var(--text-primary);
    }
    .subscribe-wrapper p {
        color: var(--text-secondary);
        font-size: 15px;
        margin: 0 0 24px;
        line-height: 1.7;
    }
    .subscribe-form {
        display: flex;
        gap: 12px;
        max-width: 480px;
        margin: 0 auto;
        flex-wrap: wrap;
        justify-content: center;
    }
    .subscribe-form input[type="email"] {
        flex: 1;
        min-width: 240px;
        padding: 14px 20px;
        border-radius: var(--radius-btn);
        background: rgba(7, 13, 31, 0.7);
        border: 1px solid rgba(0, 229, 255, 0.25);
        color: var(--text-primary);
        font-size: 15px;
        transition: all 0.3s ease;
        height: 52px;
    }
    .subscribe-form input[type="email"]::placeholder {
        color: var(--text-muted);
    }
    .subscribe-form input[type="email"]:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
        outline: none;
        background: rgba(7, 13, 31, 0.9);
    }
    .subscribe-form .btn {
        height: 52px;
        padding: 0 28px;
        font-size: 15px;
    }
    .privacy-note {
        font-size: 12px;
        color: var(--text-muted);
        margin-top: 14px;
    }
    /* ========== FOOTER ========== */
    .site-footer {
        background: rgba(7, 13, 31, 0.95);
        border-top: 1px solid rgba(0, 229, 255, 0.1);
        padding: 40px 0 20px;
        margin-top: 32px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 32px;
        margin-bottom: 28px;
    }
    .footer-brand .logo {
        margin-bottom: 12px;
    }
    .footer-brand p {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.7;
        margin: 0;
        max-width: 320px;
    }
    .footer-col h3 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 12px;
        letter-spacing: 0.5px;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a {
        color: var(--text-secondary);
        font-size: 14px;
        transition: all 0.3s ease;
    }
    .footer-col ul li a:hover {
        color: var(--primary);
    }
    .footer-contact h3 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 12px;
        letter-spacing: 0.5px;
    }
    .footer-contact p {
        color: var(--text-secondary);
        font-size: 13px;
        margin: 0 0 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-contact p i {
        color: var(--primary);
        width: 16px;
        text-align: center;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        padding-top: 20px;
        border-top: 1px solid rgba(0, 229, 255, 0.08);
    }
    .copyright {
        color: var(--text-muted);
        font-size: 13px;
    }
    .footer-links {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
    }
    .footer-links a {
        color: var(--text-secondary);
    }
    .footer-links a:hover {
        color: var(--primary);
    }
    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1.5fr 1fr 1fr;
        }
        .footer-contact {
            grid-column: span 3;
        }
        .page-hero h1 {
            font-size: 30px;
        }
        .section-title {
            font-size: 24px;
        }
        .focus-card-img {
            height: 170px;
        }
    }
    @media (max-width: 768px) {
        .header-nav-row {
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
            padding: 8px 0;
        }
        .header-nav-row a {
            padding: 8px 12px;
            font-size: 14px;
            width: 100%;
            text-align: left;
        }
        .header-search {
            order: 3;
            max-width: 100%;
            width: 100%;
        }
        .header-top {
            gap: 12px;
        }
        .filter-bar {
            padding: 16px 18px;
            flex-direction: column;
            align-items: stretch;
        }
        .filter-group {
            flex-wrap: wrap;
        }
        .filter-group select {
            flex: 1;
            min-width: 100%;
        }
        .filter-submit {
            margin-left: 0;
        }
        .schedule-card {
            padding: 14px 16px;
            gap: 12px;
        }
        .schedule-date-badge {
            min-width: 60px;
            padding: 8px 10px;
        }
        .schedule-date-badge .day {
            font-size: 20px;
        }
        .schedule-teams {
            font-size: 15px;
        }
        .schedule-score {
            font-size: 16px;
            padding: 6px 12px;
            min-width: 56px;
        }
        .schedule-thumb {
            width: 48px;
            height: 48px;
        }
        .focus-card-img {
            height: 160px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .footer-brand {
            grid-column: span 2;
        }
        .footer-contact {
            grid-column: span 2;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 26px;
        }
        .page-hero .hero-sub {
            font-size: 15px;
        }
        .section-title {
            font-size: 22px;
        }
        .subscribe-wrapper {
            padding: 24px 20px;
        }
        .subscribe-form input[type="email"] {
            min-width: 100%;
        }
        .subscribe-form .btn {
            width: 100%;
        }
    }
    @media (max-width: 520px) {
        section {
            padding: 32px 0;
        }
        .header-top {
            padding: 10px 0;
        }
        .logo-text .cn {
            font-size: 17px;
            letter-spacing: 1px;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }
        .btn {
            padding: 10px 18px;
            font-size: 13px;
        }
        .schedule-info {
            min-width: 100%;
        }
        .schedule-score {
            width: 100%;
            text-align: center;
        }
        .schedule-thumb {
            width: 56px;
            height: 56px;
        }
        .focus-card-body {
            padding: 16px 18px 18px;
        }
        .focus-card-body h3 {
            font-size: 16px;
        }
        .format-card {
            padding: 18px 18px;
            flex-direction: column;
            gap: 12px;
        }
        .tip-item {
            padding: 16px 18px;
            flex-direction: column;
            gap: 10px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .footer-brand,
        .footer-contact {
            grid-column: span 1;
        }
    }

/* roulang page: category4 */
:root {
            --bg-primary: #070D1F;
            --bg-secondary: #0B1226;
            --panel-bg: #0F1B33;
            --glass-bg: rgba(15, 27, 55, 0.55);
            --glass-border: rgba(0, 229, 255, 0.18);
            --primary: #00E5FF;
            --secondary: #FF6B35;
            --success: #2CEAA3;
            --warning: #FFC857;
            --danger: #FF5C7A;
            --text-primary: #E8F0FF;
            --text-secondary: #9FB1CC;
            --text-muted: #6B7C99;
            --radius-card: 14px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 16px rgba(0, 229, 255, 0.35);
            --shadow-btn-glow: 0 0 18px rgba(0, 229, 255, 0.45);
            --font-mono: 'Roboto Mono', 'Oswald', 'Consolas', monospace;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(0, 229, 255, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(255, 107, 53, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 70%, rgba(0, 229, 255, 0.03) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            background-image:
                linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
            -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
        }

        .site-wrapper {
            position: relative;
            z-index: 1;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #4DF2FF;
        }

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

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

        .grid-container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding: 56px 0;
            position: relative;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 13, 31, 0.88);
            backdrop-filter: blur(20px) saturate(140%);
            -webkit-backdrop-filter: blur(20px) saturate(140%);
            border-bottom: 1px solid rgba(0, 229, 255, 0.12);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            flex-wrap: wrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--text-primary);
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(79, 140, 255, 0.15));
            border: 1px solid rgba(0, 229, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-text .cn {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #E8F0FF 60%, #00E5FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo-text .en {
            font-size: 10px;
            color: var(--text-muted);
            letter-spacing: 3px;
            text-transform: uppercase;
            font-family: var(--font-mono);
        }
        .header-search {
            flex: 1;
            max-width: 400px;
            min-width: 240px;
            position: relative;
        }
        .header-search input {
            width: 100%;
            padding: 12px 20px 12px 48px;
            border-radius: var(--radius-btn);
            background: rgba(15, 27, 55, 0.6);
            border: 1px solid rgba(0, 229, 255, 0.2);
            color: var(--text-primary);
            font-size: 14px;
            transition: all 0.3s ease;
            height: 46px;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }
        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
            background: rgba(15, 27, 55, 0.8);
            outline: none;
        }
        .header-search .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-toggle {
            display: none;
            background: rgba(15, 27, 55, 0.6);
            border: 1px solid rgba(0, 229, 255, 0.25);
            border-radius: 8px;
            color: var(--text-primary);
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 18px;
        }
        .nav-toggle:hover {
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
        }
        .header-nav-row {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 10px 0;
            flex-wrap: wrap;
            border-top: 1px solid rgba(0, 229, 255, 0.08);
        }
        .header-nav-row a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 999px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .header-nav-row a:hover {
            color: var(--primary);
            background: rgba(0, 229, 255, 0.06);
        }
        .header-nav-row a.active {
            color: #06101F;
            background: linear-gradient(135deg, #00E5FF, #4F8CFF);
            font-weight: 600;
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.35);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            border: none;
            transition: all 0.3s ease;
            text-decoration: none;
            line-height: 1.4;
            font-family: var(--font-sans);
        }
        .btn-primary {
            background: linear-gradient(135deg, #00E5FF, #4F8CFF);
            color: #06101F;
            box-shadow: var(--shadow-btn-glow);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 26px rgba(0, 229, 255, 0.6);
            color: #06101F;
        }
        .btn-ghost {
            background: rgba(15, 27, 55, 0.4);
            border: 1px solid rgba(0, 229, 255, 0.4);
            color: var(--primary);
            backdrop-filter: blur(10px);
        }
        .btn-ghost:hover {
            background: rgba(0, 229, 255, 0.1);
            border-color: var(--primary);
            color: #4DF2FF;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 9px 16px;
            font-size: 13px;
            border-radius: 999px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ========== CARDS ========== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }
        .glass-card::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: inherit;
            pointer-events: none;
            background: rgba(255, 255, 255, 0.03);
        }
        .glass-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.45);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }
        .glass-card:focus-within {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ========== SECTION HEADERS ========== */
        .section-head {
            margin-bottom: 32px;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 10px;
            line-height: 1.35;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 15px;
            margin: 0;
            max-width: 720px;
            line-height: 1.75;
        }
        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.25);
            margin-bottom: 12px;
        }
        .section-tag.orange {
            color: var(--secondary);
            background: rgba(255, 107, 53, 0.08);
            border-color: rgba(255, 107, 53, 0.25);
        }
        .section-tag.green {
            color: var(--success);
            background: rgba(44, 234, 163, 0.08);
            border-color: rgba(44, 234, 163, 0.25);
        }

        /* ========== BADGE / TAG ========== */
        .badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            line-height: 1.6;
        }
        .badge-primary {
            background: rgba(0, 229, 255, 0.12);
            color: var(--primary);
            border: 1px solid rgba(0, 229, 255, 0.3);
        }
        .badge-orange {
            background: rgba(255, 107, 53, 0.12);
            color: var(--secondary);
            border: 1px solid rgba(255, 107, 53, 0.3);
        }
        .badge-green {
            background: rgba(44, 234, 163, 0.12);
            color: var(--success);
            border: 1px solid rgba(44, 234, 163, 0.3);
        }
        .badge-warning {
            background: rgba(255, 200, 87, 0.12);
            color: var(--warning);
            border: 1px solid rgba(255, 200, 87, 0.3);
        }
        .badge-muted {
            background: rgba(107, 124, 153, 0.15);
            color: var(--text-muted);
            border: 1px solid rgba(107, 124, 153, 0.25);
        }

        /* ========== PAGE HERO (category) ========== */
        .page-hero {
            padding: 56px 0 40px;
            position: relative;
        }
        .page-hero .hero-content {
            display: flex;
            align-items: flex-start;
            gap: 32px;
            flex-wrap: wrap;
        }
        .page-hero .hero-main {
            flex: 1;
            min-width: 280px;
        }
        .page-hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 14px;
            letter-spacing: 1px;
            color: var(--text-primary);
        }
        .page-hero h1 .highlight {
            background: linear-gradient(135deg, #00E5FF, #4F8CFF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin: 0;
        }
        .page-hero .hero-stats {
            display: flex;
            gap: 28px;
            flex-shrink: 0;
            flex-wrap: wrap;
            align-items: center;
        }
        .page-hero .hero-stat {
            text-align: center;
            padding: 18px 24px;
            border-radius: var(--radius-card);
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            min-width: 100px;
        }
        .page-hero .hero-stat .num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
        }
        .page-hero .hero-stat .label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            padding: 20px 24px;
            border-radius: var(--radius-card);
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            margin-right: 4px;
        }
        .filter-select {
            padding: 8px 36px 8px 14px;
            border-radius: 8px;
            background: rgba(7, 13, 31, 0.7);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--text-primary);
            font-size: 13px;
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
            transition: all 0.25s ease;
            min-width: 120px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7C99' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }
        .filter-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
            outline: none;
        }
        .filter-select option {
            background-color: #0F1B33;
            color: var(--text-primary);
        }
        .filter-btn {
            padding: 8px 20px;
            border-radius: 999px;
            background: linear-gradient(135deg, #00E5FF, #4F8CFF);
            color: #06101F;
            font-weight: 600;
            font-size: 13px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
        }
        .filter-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.5);
        }

        /* ========== GUIDE CARDS ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 22px;
        }
        .guide-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.5);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }
        .guide-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .card-img img {
            transform: scale(1.05);
        }
        .guide-card .card-img .overlay-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
        }
        .guide-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 10px;
        }
        .guide-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin: 0;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .guide-card .card-meta i {
            margin-right: 4px;
            font-size: 11px;
        }
        .guide-card .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }
        .guide-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            transition: all 0.25s ease;
            margin-top: 4px;
        }
        .guide-card .card-link i {
            font-size: 12px;
            transition: transform 0.25s ease;
        }
        .guide-card .card-link:hover {
            color: #4DF2FF;
        }
        .guide-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== TOPIC CARDS ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .topic-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            gap: 10px;
            position: relative;
            overflow: hidden;
        }
        .topic-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            border-radius: 3px 0 0 3px;
            background: linear-gradient(180deg, var(--primary), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .topic-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.45);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }
        .topic-card:hover::after {
            opacity: 1;
        }
        .topic-card .topic-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
        }
        .topic-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0;
            color: var(--text-primary);
        }
        .topic-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .topic-card .topic-count {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* ========== MEDIA ENTRY ========== */
        .media-entry-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .media-entry-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 32px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 14px;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }
        .media-entry-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.5);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }
        .media-entry-card .entry-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(79, 140, 255, 0.1));
            border: 1px solid rgba(0, 229, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
        }
        .media-entry-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 0;
            color: var(--text-primary);
        }
        .media-entry-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }
        .media-entry-card .entry-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== GLOSSARY ========== */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 16px;
        }
        .glossary-item {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            padding: 16px 18px;
            transition: all 0.3s ease;
        }
        .glossary-item:hover {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
        }
        .glossary-item .term {
            font-weight: 700;
            font-size: 15px;
            color: var(--primary);
            margin-bottom: 4px;
            display: block;
        }
        .glossary-item .def {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== AUTHOR CARDS ========== */
        .author-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 18px;
        }
        .author-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 22px;
            text-align: center;
            transition: all 0.35s ease;
        }
        .author-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.45);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }
        .author-card .avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(79, 140, 255, 0.1));
            border: 2px solid rgba(0, 229, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            margin: 0 auto 12px;
        }
        .author-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text-primary);
        }
        .author-card .author-role {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .author-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== NEWS LIST ========== */
        .news-simple-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-simple-item {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all 0.3s ease;
            flex-wrap: wrap;
        }
        .news-simple-item:hover {
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.18);
            transform: translateX(4px);
        }
        .news-simple-item .news-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
            min-width: 80px;
            flex-shrink: 0;
        }
        .news-simple-item .news-title {
            flex: 1;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .news-simple-item .news-title a {
            color: inherit;
            transition: color 0.25s ease;
        }
        .news-simple-item .news-title a:hover {
            color: var(--primary);
        }
        .news-simple-item .news-arrow {
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.25s ease;
        }
        .news-simple-item:hover .news-arrow {
            transform: translateX(4px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(7, 13, 31, 0.9);
            backdrop-filter: blur(20px);
            border-top: 1px solid rgba(0, 229, 255, 0.12);
            padding: 48px 0 28px;
            margin-top: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            transform: translateX(3px);
        }
        .footer-contact h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
        }
        .footer-contact p {
            color: var(--text-secondary);
            font-size: 13px;
            margin: 0 0 8px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.6;
        }
        .footer-contact i {
            color: var(--primary);
            width: 16px;
            flex-shrink: 0;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid rgba(0, 229, 255, 0.1);
            padding-top: 20px;
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }
        .footer-links a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--primary);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .media-entry-grid {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-content {
                flex-direction: column;
            }
            .page-hero .hero-stats {
                width: 100%;
                justify-content: flex-start;
            }
            .guide-grid {
                grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 40px 0;
            }
            .header-top {
                padding: 10px 0;
                gap: 12px;
            }
            .header-search {
                max-width: none;
                min-width: auto;
                order: 3;
                flex-basis: 100%;
            }
            .header-actions {
                margin-left: auto;
            }
            .header-nav-row {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 0;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(7, 13, 31, 0.96);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(0, 229, 255, 0.15);
                padding: 16px 20px;
                z-index: 99;
            }
            .header-nav-row.open {
                display: flex;
            }
            .header-nav-row a {
                padding: 10px 16px;
                border-radius: 8px;
                font-size: 14px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .glossary-grid {
                grid-template-columns: 1fr 1fr;
            }
            .author-grid {
                grid-template-columns: 1fr 1fr;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .filter-group {
                flex-wrap: wrap;
            }
            .filter-select {
                flex: 1;
                min-width: 100px;
            }
            .media-entry-card {
                padding: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .grid-container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .logo-text .cn {
                font-size: 17px;
                letter-spacing: 1px;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            .header-actions .btn span {
                display: none;
            }
            .header-actions .btn {
                padding: 9px 12px;
            }
            .page-hero {
                padding: 36px 0 28px;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .page-hero .hero-desc {
                font-size: 14px;
            }
            .page-hero .hero-stat {
                padding: 14px 16px;
                min-width: 80px;
            }
            .page-hero .hero-stat .num {
                font-size: 22px;
            }
            .guide-card .card-img {
                height: 150px;
            }
            .glossary-grid {
                grid-template-columns: 1fr;
            }
            .author-grid {
                grid-template-columns: 1fr;
            }
            .news-simple-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-head h2 {
                font-size: 22px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #070D1F;
            --bg-secondary: #0B1226;
            --panel-bg: #0F1B33;
            --glass-bg: rgba(15, 27, 55, 0.55);
            --glass-border: rgba(0, 229, 255, 0.18);
            --primary: #00E5FF;
            --secondary: #FF6B35;
            --success: #2CEAA3;
            --warning: #FFC857;
            --danger: #FF5C7A;
            --text-primary: #E8F0FF;
            --text-secondary: #9FB1CC;
            --text-muted: #6B7C99;
            --radius-card: 14px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 16px rgba(0, 229, 255, 0.35);
            --shadow-btn-glow: 0 0 18px rgba(0, 229, 255, 0.45);
            --font-mono: 'Roboto Mono', 'Oswald', 'Consolas', monospace;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(0, 229, 255, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(255, 107, 53, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 70%, rgba(0, 229, 255, 0.03) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            background-image:
                linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
            background-size: 48px 48px;
            -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
            mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
        }

        .site-wrapper {
            position: relative;
            z-index: 1;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: #4DF2FF;
        }

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

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

        .grid-container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding: 56px 0;
            position: relative;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 13, 31, 0.85);
            backdrop-filter: blur(20px) saturate(140%);
            -webkit-backdrop-filter: blur(20px) saturate(140%);
            border-bottom: 1px solid rgba(0, 229, 255, 0.12);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo:hover {
            color: var(--text-primary);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(79, 140, 255, 0.15));
            border: 1px solid rgba(0, 229, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-text .cn {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #E8F0FF 60%, #00E5FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-text .en {
            font-size: 10px;
            color: var(--text-muted);
            letter-spacing: 3px;
            text-transform: uppercase;
            font-family: var(--font-mono);
        }

        .header-search {
            flex: 1;
            max-width: 400px;
            min-width: 240px;
            position: relative;
        }

        .header-search input {
            width: 100%;
            padding: 12px 20px 12px 48px;
            border-radius: var(--radius-btn);
            background: rgba(15, 27, 55, 0.6);
            border: 1px solid rgba(0, 229, 255, 0.2);
            color: var(--text-primary);
            font-size: 14px;
            transition: all 0.3s ease;
            height: 46px;
            outline: none;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }

        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
            background: rgba(15, 27, 55, 0.8);
        }

        .search-icon {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 16px;
            pointer-events: none;
            transition: color 0.3s ease;
        }

        .header-search input:focus+.search-icon,
        .header-search:focus-within .search-icon {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: all 0.35s ease;
            text-align: center;
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00E5FF, #4F8CFF);
            color: #06101F;
            box-shadow: var(--shadow-btn-glow);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 0 28px rgba(0, 229, 255, 0.6);
            color: #06101F;
        }

        .btn-ghost {
            background: rgba(15, 27, 55, 0.5);
            border: 1px solid rgba(0, 229, 255, 0.4);
            color: var(--primary);
            box-shadow: none;
        }

        .btn-ghost:hover {
            background: rgba(0, 229, 255, 0.08);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.25);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            gap: 6px;
        }

        .nav-toggle {
            display: none;
            background: rgba(15, 27, 55, 0.7);
            border: 1px solid rgba(0, 229, 255, 0.25);
            border-radius: 10px;
            color: var(--primary);
            font-size: 20px;
            width: 44px;
            height: 44px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            background: rgba(0, 229, 255, 0.1);
            border-color: var(--primary);
        }

        .header-nav-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 0 14px;
            flex-wrap: wrap;
        }

        .header-nav-row a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }

        .header-nav-row a:hover {
            color: var(--primary);
            background: rgba(0, 229, 255, 0.06);
            border-color: rgba(0, 229, 255, 0.15);
        }

        .header-nav-row a.active {
            color: var(--primary);
            background: rgba(0, 229, 255, 0.1);
            border-color: rgba(0, 229, 255, 0.3);
            font-weight: 600;
        }

        /* ========== PAGE HEADER ========== */
        .page-header {
            padding: 40px 0 20px;
            position: relative;
        }

        .page-header .subtitle {
            color: var(--text-secondary);
            font-size: 17px;
            max-width: 760px;
            margin-top: 12px;
            line-height: 1.8;
        }

        h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        h1 .highlight {
            color: var(--primary);
        }

        h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 16px;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }

        h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin: 0;
            color: var(--text-primary);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 1px;
            background: var(--primary);
            opacity: 0.6;
        }

        /* ========== GLASS CARD ========== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all 0.4s ease;
            overflow: hidden;
        }

        .glass-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow), 0 14px 40px rgba(0, 0, 0, 0.5);
        }

        /* ========== HERO / LEAD STORY ========== */
        .lead-story-section {
            padding: 24px 0 40px;
        }

        .lead-story-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 360px;
        }

        .lead-story-image {
            position: relative;
            min-height: 320px;
            overflow: hidden;
        }

        .lead-story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .lead-story-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 13, 31, 0.3) 0%, rgba(7, 13, 31, 0.75) 100%);
        }

        .lead-story-tag {
            position: absolute;
            top: 20px;
            left: 20px;
            z-index: 2;
            background: var(--secondary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            letter-spacing: 1px;
        }

        .lead-story-content {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .lead-story-content .date {
            font-size: 13px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            margin-bottom: 12px;
            flex-shrink: 0;
        }

        .lead-story-content h2 {
            font-size: 26px;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .lead-story-content p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 20px;
            flex-grow: 0;
        }

        .btn-read {
            align-self: flex-start;
            padding: 10px 22px;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-read i {
            transition: transform 0.3s ease;
        }

        .btn-read:hover i {
            transform: translateX(4px);
        }

        /* ========== NEWS LIST ========== */
        .news-list-section {
            padding: 40px 0;
        }

        .news-list-item {
            display: grid;
            grid-template-columns: 80px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 24px 28px;
            margin-bottom: 16px;
            border-radius: var(--radius-card);
        }

        .news-date-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.2);
            border-radius: 12px;
            padding: 10px 8px;
            min-width: 70px;
        }

        .news-date-badge .day {
            font-size: 26px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--primary);
            line-height: 1.1;
        }

        .news-date-badge .month {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 1px;
        }

        .news-list-content h3 {
            font-size: 17px;
            margin-bottom: 6px;
        }

        .news-list-content h3 a {
            color: var(--text-primary);
            transition: color 0.3s ease;
        }

        .news-list-content h3 a:hover {
            color: var(--primary);
        }

        .news-list-content .summary {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        .btn-read-more {
            white-space: nowrap;
            padding: 8px 18px;
            font-size: 13px;
        }

        /* ========== TAG CLOUD ========== */
        .tags-section {
            padding: 40px 0;
        }

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

        .tag-pill {
            display: inline-block;
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            background: rgba(15, 27, 55, 0.6);
            border: 1px solid rgba(0, 229, 255, 0.2);
            color: var(--text-secondary);
            font-size: 13px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .tag-pill:hover {
            background: rgba(0, 229, 255, 0.12);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ========== FEATURED TOPICS ========== */
        .topics-section {
            padding: 40px 0;
        }

        .topic-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .topic-card .topic-image {
            position: relative;
            height: 200px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .topic-card .topic-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .topic-card .topic-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(7, 13, 31, 0.7) 100%);
        }

        .topic-card .topic-body {
            padding: 22px 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card .topic-body h3 {
            font-size: 17px;
            margin-bottom: 10px;
        }

        .topic-card .topic-body p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        /* ========== COMMENTS ========== */
        .comments-section {
            padding: 40px 0;
        }

        .comment-card {
            padding: 24px 26px;
            margin-bottom: 14px;
            border-radius: var(--radius-card);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .comment-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.25), rgba(79, 140, 255, 0.2));
            border: 1px solid rgba(0, 229, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .comment-body .comment-author {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

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

        /* ========== RSS CTA ========== */
        .rss-cta-section {
            padding: 48px 0 64px;
        }

        .rss-cta-card {
            padding: 40px 36px;
            text-align: center;
            border-radius: var(--radius-card);
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(79, 140, 255, 0.04));
            border: 1px solid rgba(0, 229, 255, 0.25);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.05);
        }

        .rss-cta-card .rss-icon {
            font-size: 48px;
            color: var(--primary);
            margin-bottom: 16px;
            display: inline-block;
            filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.5));
        }

        .rss-cta-card h2 {
            margin-bottom: 12px;
        }

        .rss-cta-card p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 520px;
            margin: 0 auto 24px;
        }

        .rss-cta-card .btn {
            display: inline-flex;
            gap: 10px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(7, 13, 31, 0.95);
            border-top: 1px solid rgba(0, 229, 255, 0.12);
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }

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

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

        .footer-col h3,
        .footer-contact h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-contact p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact p i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(0, 229, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .copyright {
            color: var(--text-muted);
            font-size: 13px;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }

        .footer-links a {
            color: var(--text-secondary);
            transition: color 0.3s ease;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            section {
                padding: 40px 0;
            }

            h1 {
                font-size: 30px;
            }

            .lead-story-card {
                grid-template-columns: 1fr;
            }

            .lead-story-image {
                min-height: 240px;
            }

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

        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: 10px;
            }

            .header-search {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
                min-width: 0;
            }

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

            .header-actions .btn {
                padding: 9px 12px;
            }

            .header-nav-row {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 10px 0 14px;
            }

            .header-nav-row.open {
                display: flex;
            }

            .header-nav-row a {
                text-align: center;
                padding: 10px 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .news-list-item {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 18px 20px;
            }

            .news-date-badge {
                flex-direction: row;
                gap: 8px;
                padding: 8px 14px;
                min-width: auto;
                width: fit-content;
            }

            .btn-read-more {
                width: fit-content;
            }

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

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

            .rss-cta-card {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 24px;
            }

            h2 {
                font-size: 20px;
            }

            .lead-story-image {
                min-height: 180px;
            }

            .lead-story-content {
                padding: 22px 18px;
            }

            .lead-story-content h2 {
                font-size: 20px;
            }
        }

        .btn:focus-visible,
        a:focus-visible,
        input:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        @media (hover: hover) {
            .glass-card:hover {
                transform: translateY(-4px);
                border-color: rgba(0, 229, 255, 0.4);
                box-shadow: var(--shadow-glow), 0 14px 40px rgba(0, 0, 0, 0.5);
            }
        }

        @media (hover: none) {
            .glass-card:active {
                border-color: rgba(0, 229, 255, 0.4);
                box-shadow: var(--shadow-glow);
                transition: all 0.2s ease;
            }

            .btn-primary:active,
            .btn-ghost:active {
                transform: scale(0.98);
                transition: all 0.2s ease;
            }
        }

/* roulang page: category2 */
:root {
  --bg-primary: #070D1F;
  --bg-secondary: #0B1226;
  --panel-bg: #0F1B33;
  --glass-bg: rgba(15, 27, 55, 0.55);
  --glass-border: rgba(0, 229, 255, 0.18);
  --primary: #00E5FF;
  --secondary: #FF6B35;
  --success: #2CEAA3;
  --warning: #FFC857;
  --danger: #FF5C7A;
  --text-primary: #E8F0FF;
  --text-secondary: #9FB1CC;
  --text-muted: #6B7C99;
  --radius-card: 14px;
  --radius-btn: 999px;
  --radius-input: 12px;
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 16px rgba(0, 229, 255, 0.35);
  --shadow-btn-glow: 0 0 18px rgba(0, 229, 255, 0.45);
  --font-mono: 'Roboto Mono', 'Oswald', 'Consolas', monospace;
  --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
*,
*::before,
*::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(ellipse at 20% 10%, rgba(0, 229, 255, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 30%, rgba(255, 107, 53, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 70%, rgba(0, 229, 255, 0.03) 0%, transparent 45%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
}
.site-wrapper { position: relative; z-index: 1; }
a { color: var(--primary); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: #4DF2FF; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.grid-container { max-width: 1280px; padding-left: 20px; padding-right: 20px; }
section { padding: 48px 0; position: relative; }
.section { padding: 48px 0; }
.section-head { margin-bottom: 28px; }
.section-head h2 { margin: 0; font-size: 26px; font-weight: 700; line-height: 1.3; letter-spacing: 0.5px; }
.section-head .lead { color: var(--text-secondary); margin: 8px 0 0; font-size: 15px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0,229,255,0.8);
}
h1 {
  font-size: clamp(32px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 16px;
  letter-spacing: 0.5px;
}
h2 { font-size: 24px; font-weight: 700; line-height: 1.3; margin: 0 0 16px; }
h3 { font-size: 18px; font-weight: 600; line-height: 1.4; margin: 0 0 12px; }
p { margin: 0 0 16px; }
.subtitle { font-size: 17px; color: var(--text-secondary); max-width: 760px; }

/* ========== GLASS CARD ========== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 24px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}
.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,255,0.45);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}
.glass-card .tag {
  display: inline-block;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(0,229,255,0.1);
  color: var(--primary);
  border: 1px solid rgba(0,229,255,0.25);
  white-space: nowrap;
}
/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-primary {
  background: linear-gradient(135deg, #00E5FF, #4F8CFF);
  color: #06101F;
  border-color: transparent;
  box-shadow: var(--shadow-btn-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 26px rgba(0,229,255,0.65);
  color: #06101F;
}
.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(0,229,255,0.4);
  backdrop-filter: blur(6px);
}
.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(0,229,255,0.08);
  transform: translateY(-2px);
  color: var(--primary);
  box-shadow: 0 0 16px rgba(0,229,255,0.2);
}
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  transition: gap 0.25s ease, color 0.25s ease;
}
.btn-read:hover { gap: 10px; color: #4DF2FF; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 500;
  font-size: 14px;
}
.text-link:hover { color: #4DF2FF; }

/* ========== HEADER / NAV ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 13, 31, 0.85);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid rgba(0, 229, 255, 0.12);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5); }
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  flex-wrap: wrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: 0.5px;
}
.logo:hover { color: var(--text-primary); }
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(79, 140, 255, 0.15));
  border: 1px solid rgba(0, 229, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text .cn {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
  background: linear-gradient(135deg, #E8F0FF 60%, #00E5FF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-text .en {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.header-search { flex: 1; max-width: 400px; min-width: 240px; position: relative; }
.header-search .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 16px;
  pointer-events: none;
  z-index: 2;
}
.header-search input {
  width: 100%;
  padding: 12px 20px 12px 48px;
  border-radius: var(--radius-btn);
  background: rgba(15, 27, 55, 0.6);
  border: 1px solid rgba(0, 229, 255, 0.2);
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.3s ease;
  height: 46px;
}
.header-search input::placeholder { color: var(--text-muted); font-size: 13px; }
.header-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
  background: rgba(15, 27, 55, 0.8);
  outline: none;
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(0,229,255,0.3);
  color: var(--primary);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.nav-toggle:hover { border-color: var(--primary); background: rgba(0,229,255,0.08); }
.header-nav-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding: 8px 0 12px;
}
.header-nav-row a {
  position: relative;
  display: inline-flex;
  padding: 9px 16px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  transition: all 0.25s ease;
  letter-spacing: 0.3px;
}
.header-nav-row a:hover { color: var(--primary); background: rgba(0,229,255,0.07); }
.header-nav-row a.active {
  color: #06101F;
  background: linear-gradient(135deg, #00E5FF, #4F8CFF);
  font-weight: 600;
}

/* ========== HERO PAGE ========== */
.page-hero {
  padding: 44px 0 24px;
  background:
    linear-gradient(180deg, rgba(7,13,31,0.4) 0%, rgba(7,13,31,0.85) 100%),
    url('/assets/images/2ef869c19cf907b4.webp') center center / cover no-repeat;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(0,229,255,0.1) 0%, transparent 55%);
  pointer-events: none;
}
.page-hero .grid-container { position: relative; }
.page-hero h1 { margin-bottom: 14px; max-width: 800px; }
.page-hero .subtitle { margin-bottom: 22px; }
.data-update-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(15, 27, 55, 0.6);
  border: 1px solid rgba(0,229,255,0.25);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
}
.data-update-chip i { color: var(--success); }

/* ========== FILTER SECTION ========== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 20px;
  padding: 18px 20px;
}
.filter-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  letter-spacing: 1px;
}
.filter-group { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-chip {
  background: transparent;
  border: 1px solid rgba(0,229,255,0.22);
  color: var(--text-secondary);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.filter-chip:hover { border-color: var(--primary); color: var(--primary); }
.filter-chip.active {
  background: rgba(0,229,255,0.12);
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(0,229,255,0.2);
}

/* ========== STATS MAIN ========== */
.stat-card { height: 100%; display: flex; flex-direction: column; }
.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 16px;
}
.stat-card-value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.stat-card .stat-label { color: var(--text-secondary); font-size: 14px; }
.bar-chart { display: flex; flex-direction: column; gap: 10px; margin: 14px 0; }
.bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}
.bar-label { width: 80px; text-align: right; flex-shrink: 0; }
.bar-track {
  flex: 1;
  height: 8px;
  background: rgba(0,229,255,0.1);
  border-radius: 999px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #00E5FF, #4F8CFF);
  box-shadow: 0 0 8px rgba(0,229,255,0.6);
}
.bar-value { width: 52px; font-family: var(--font-mono); color: var(--text-primary); }
.stat-cover-img {
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 16px;
  aspect-ratio: 16 / 9;
  position: relative;
  background: rgba(15,27,55,0.6);
}
.stat-cover-img img { width: 100%; height: 100%; object-fit: cover; }

/* ========== RANKING ========== */
.ranking-card { height: 100%; }
.ranking-list { list-style: none; margin: 0 0 18px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ranking-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(7,13,31,0.4);
  border-radius: 10px;
  border: 1px solid rgba(0,229,255,0.08);
}
.rank {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(0,229,255,0.12);
  color: var(--primary);
  font-family: var(--font-mono);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.rank.highlight { background: linear-gradient(135deg, #00E5FF, #4F8CFF); color: #06101F; }
.ranking-name { flex: 1; font-weight: 500; }
.ranking-value { font-family: var(--font-mono); color: var(--primary); font-weight: 600; }

/* ========== COMPARE TOOL ========== */
.compare-card { padding: 28px; }
.compare-card .compare-img {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: rgba(15,27,55,0.6);
  border: 1px solid var(--glass-border);
}
.compare-card .compare-img img { width: 100%; height: 100%; object-fit: cover; }
.compare-points { list-style: none; margin: 16px 0 22px; padding: 0; }
.compare-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  color: var(--text-secondary);
}
.compare-points li i { color: var(--success); margin-top: 4px; }

/* ========== METHODOLOGY ========== */
.methodology-card { padding: 28px; }
.methodology-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 18px; }
.methodology-item {
  background: rgba(7,13,31,0.4);
  border-radius: 10px;
  padding: 16px;
  border: 1px solid rgba(0,229,255,0.08);
}
.methodology-item h4 { margin: 0 0 8px; font-size: 16px; font-weight: 600; }
.methodology-item p { margin: 0; font-size: 14px; color: var(--text-secondary); }

/* ========== NEWS CTA ========== */
.news-card { height: 100%; display: flex; flex-direction: column; }
.news-card .date {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 10px;
}
.news-card h3 { font-size: 17px; margin-bottom: 8px; }
.news-card p { font-size: 14px; color: var(--text-secondary); flex: 1; }

/* ========== FOOTER ========== */
.site-footer {
  background: rgba(7, 13, 31, 0.9);
  border-top: 1px solid rgba(0,229,255,0.12);
  padding: 48px 0 24px;
  margin-top: 32px;
  backdrop-filter: blur(12px);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 32px;
  margin-bottom: 28px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { color: var(--text-secondary); font-size: 14px; max-width: 300px; }
.footer-col h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-secondary); font-size: 14px; transition: color 0.25s ease; }
.footer-col a:hover { color: var(--primary); }
.footer-contact h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.footer-contact p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i { color: var(--primary); width: 16px; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(0,229,255,0.08);
  font-size: 13px;
  color: var(--text-muted);
}
.footer-links { display: flex; align-items: center; gap: 8px; }
.footer-links a { color: var(--text-muted); font-size: 13px; }
.footer-links a:hover { color: var(--primary); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  section, .section { padding: 36px 0; }
  .page-hero { padding: 32px 0 20px; }
  .header-top { gap: 12px; flex-wrap: nowrap; }
  .header-search { flex: 1 1 auto; min-width: 0; }
  .header-search input { height: 42px; }
  .header-actions .btn span { display: none; }
  .header-actions .btn { padding: 9px 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .site-header { position: sticky; }
  .header-top { flex-wrap: wrap; }
  .logo-text .en { display: none; }
  .header-search { order: 3; width: 100%; max-width: none; min-width: 0; transition: all 0.3s ease; }
  .header-search:not(.search-open) .search-icon { pointer-events: auto; cursor: pointer; left: 14px; }
  .header-search:not(.search-open) input { width: 0; padding-left: 0; opacity: 0; border-color: transparent; pointer-events: none; }
  .header-search.search-open .search-icon { pointer-events: none; }
  .nav-toggle { display: inline-flex; }
  .header-nav-row {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px 0 14px;
  }
  .header-nav-row.open { display: flex; }
  .header-nav-row a { text-align: center; }
}

/* roulang page: category6 */
:root {
            --bg-primary: #070D1F;
            --bg-secondary: #0B1226;
            --panel-bg: #0F1B33;
            --glass-bg: rgba(15, 27, 55, 0.55);
            --glass-border: rgba(0, 229, 255, 0.18);
            --primary: #00E5FF;
            --primary-soft: rgba(0, 229, 255, 0.12);
            --secondary: #FF6B35;
            --success: #2CEAA3;
            --warning: #FFC857;
            --danger: #FF5C7A;
            --text-primary: #E8F0FF;
            --text-secondary: #9FB1CC;
            --text-muted: #6B7C99;
            --radius-card: 14px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 16px rgba(0, 229, 255, 0.35);
            --shadow-btn-glow: 0 0 18px rgba(0, 229, 255, 0.45);
            --font-mono: 'Roboto Mono', 'Oswald', 'Consolas', monospace;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(0, 229, 255, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(255, 107, 53, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 70%, rgba(0, 229, 255, 0.03) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            background-image:
                linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
            -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, transparent 75%);
        }

        .site-wrapper {
            position: relative;
            z-index: 1;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        a:hover {
            color: #4DF2FF;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

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

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

        .grid-container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding: 64px 0;
            position: relative;
        }

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

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            letter-spacing: 0.5px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 15px;
            margin: 0;
            max-width: 680px;
            line-height: 1.7;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 13, 31, 0.88);
            backdrop-filter: blur(20px) saturate(140%);
            -webkit-backdrop-filter: blur(20px) saturate(140%);
            border-bottom: 1px solid rgba(0, 229, 255, 0.12);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            text-decoration: none;
        }

        .logo:hover {
            color: var(--text-primary);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(79, 140, 255, 0.15));
            border: 1px solid rgba(0, 229, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-text .cn {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #E8F0FF 60%, #00E5FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-text .en {
            font-size: 10px;
            color: var(--text-muted);
            letter-spacing: 3px;
            text-transform: uppercase;
            font-family: var(--font-mono);
        }

        .header-search {
            flex: 1;
            max-width: 400px;
            min-width: 240px;
            position: relative;
        }

        .header-search input {
            width: 100%;
            padding: 12px 20px 12px 48px;
            border-radius: var(--radius-btn);
            background: rgba(15, 27, 55, 0.6);
            border: 1px solid rgba(0, 229, 255, 0.2);
            color: var(--text-primary);
            font-size: 14px;
            transition: all 0.3s ease;
            height: 46px;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }

        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
            background: rgba(15, 27, 55, 0.8);
            outline: none;
        }

        .search-icon {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 15px;
            pointer-events: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00E5FF 0%, #4F8CFF 100%);
            color: #06101F;
            box-shadow: var(--shadow-btn-glow);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #2DEBFF 0%, #6FA0FF 100%);
            box-shadow: 0 0 26px rgba(0, 229, 255, 0.6);
            color: #06101F;
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
        }

        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border: 1px solid rgba(0, 229, 255, 0.4);
        }

        .btn-ghost:hover {
            background: rgba(0, 229, 255, 0.08);
            border-color: var(--primary);
            color: #4DF2FF;
            transform: translateY(-1px);
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.2);
        }

        .nav-toggle {
            display: none;
            background: rgba(15, 27, 55, 0.6);
            border: 1px solid rgba(0, 229, 255, 0.25);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 20px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
        }

        .header-nav-row {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 0 14px;
            flex-wrap: wrap;
        }

        .header-nav-row a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 7px 16px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            white-space: nowrap;
            letter-spacing: 0.3px;
            text-decoration: none;
        }

        .header-nav-row a:hover {
            color: var(--primary);
            background: rgba(0, 229, 255, 0.06);
        }

        .header-nav-row a.active {
            color: var(--primary);
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.25);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            padding: 56px 0 40px;
            position: relative;
            overflow: hidden;
            background:
                radial-gradient(ellipse at 30% 20%, rgba(0, 229, 255, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 50%, rgba(255, 107, 53, 0.04) 0%, transparent 50%);
            border-bottom: 1px solid rgba(0, 229, 255, 0.06);
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.07) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .page-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 16px;
            letter-spacing: 1px;
            line-height: 1.3;
            position: relative;
            z-index: 1;
        }

        .page-hero .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin: 0 0 20px;
            position: relative;
            z-index: 1;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-btn);
            background: rgba(0, 229, 255, 0.06);
            border: 1px solid rgba(0, 229, 255, 0.18);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 400;
            letter-spacing: 0.3px;
        }

        .hero-tag i {
            color: var(--primary);
            font-size: 12px;
        }

        /* ========== CARDS ========== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            padding: 24px;
            position: relative;
            overflow: hidden;
        }

        .glass-card::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-card);
            background: radial-gradient(ellipse at top left, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .glass-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow), var(--shadow-card);
        }

        .glass-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 10px;
            letter-spacing: 0.3px;
        }

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

        /* ========== RESOURCE LIST ========== */
        .resource-list-card {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .resource-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: rgba(15, 27, 55, 0.5);
            border: 1px solid rgba(0, 229, 255, 0.12);
            border-radius: var(--radius-card);
            transition: all 0.35s ease;
            align-items: flex-start;
        }

        .resource-item:hover {
            border-color: rgba(0, 229, 255, 0.35);
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.2);
            transform: translateY(-2px);
        }

        .resource-item-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            flex-shrink: 0;
        }

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

        .resource-item-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

        .resource-item-content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0 0 8px;
            line-height: 1.65;
        }

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

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

        .resource-meta i {
            font-size: 11px;
            color: var(--primary);
        }

        /* ========== TOOL CARDS ========== */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .tool-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 22px;
            transition: all 0.35s ease;
            text-decoration: none;
            color: var(--text-primary);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .tool-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow);
            color: var(--text-primary);
        }

        .tool-card .tool-icon {
            width: 42px;
            height: 42px;
            border-radius: 9px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }

        .tool-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0;
            color: var(--text-primary);
        }

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

        /* ========== DOWNLOAD SECTION ========== */
        .download-card {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(79, 140, 255, 0.06) 50%, rgba(255, 107, 53, 0.04) 100%);
            border: 1px solid rgba(0, 229, 255, 0.22);
            border-radius: var(--radius-card);
            padding: 32px;
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .download-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .download-info {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }

        .download-info h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
        }

        .download-info p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 16px;
            line-height: 1.7;
        }

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

        /* ========== WALLPAPER GRID ========== */
        .wallpaper-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
        }

        .wallpaper-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(0, 229, 255, 0.12);
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            transition: all 0.35s ease;
        }

        .wallpaper-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-glow);
        }

        .wallpaper-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .wallpaper-card-body {
            padding: 14px 16px;
        }

        .wallpaper-card-body h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
        }

        .wallpaper-card-body p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== HELP SECTION ========== */
        .help-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .help-item {
            display: flex;
            gap: 14px;
            padding: 16px 20px;
            background: rgba(15, 27, 55, 0.5);
            border: 1px solid rgba(0, 229, 255, 0.12);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
            align-items: flex-start;
        }

        .help-item:hover {
            border-color: rgba(0, 229, 255, 0.3);
            background: rgba(15, 27, 55, 0.7);
        }

        .help-item .help-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.12);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 600;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        .help-item h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

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

        /* ========== COPYRIGHT / CTA ========== */
        .copyright-cta {
            background: rgba(15, 27, 55, 0.6);
            border: 1px solid rgba(0, 229, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
        }

        .copyright-cta .cta-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            flex-shrink: 0;
        }

        .copyright-cta .cta-text {
            flex: 1;
            min-width: 240px;
        }

        .copyright-cta .cta-text h2 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(7, 13, 31, 0.9);
            border-top: 1px solid rgba(0, 229, 255, 0.1);
            padding: 48px 0 24px;
            margin-top: 24px;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin: 14px 0 0;
            max-width: 320px;
        }

        .footer-col h3,
        .footer-contact h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 13px;
            transition: color 0.3s ease;
            text-decoration: none;
        }

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

        .footer-contact p {
            color: var(--text-secondary);
            font-size: 13px;
            margin: 0 0 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--primary);
            font-size: 13px;
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(0, 229, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .copyright {
            color: var(--text-muted);
            font-size: 12px;
        }

        .footer-links {
            display: flex;
            gap: 12px;
            align-items: center;
            font-size: 12px;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            section {
                padding: 48px 0;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-wrap: nowrap;
                gap: 12px;
            }

            .header-search {
                min-width: 0;
                flex: 0 1 auto;
            }

            .header-search input {
                width: 42px;
                padding: 8px 16px 8px 40px;
                font-size: 0;
            }

            .header-search input:focus {
                width: 100%;
                font-size: 14px;
                padding: 12px 20px 12px 48px;
            }

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

            .header-actions .btn {
                padding: 8px 12px;
            }

            .nav-toggle {
                display: flex;
            }

            .header-nav-row {
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0;
                gap: 4px;
            }

            .header-nav-row.open {
                display: flex;
            }

            .header-nav-row a {
                padding: 10px 14px;
                text-align: center;
                border-radius: 8px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .page-hero .hero-sub {
                font-size: 14px;
            }

            section {
                padding: 36px 0;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .resource-item {
                flex-direction: column;
                gap: 12px;
            }

            .download-card {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .download-actions {
                width: 100%;
                flex-direction: column;
            }

            .download-actions .btn {
                justify-content: center;
                width: 100%;
            }

            .copyright-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 22px;
            }

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

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

        @media (max-width: 480px) {
            .grid-container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .page-hero {
                padding: 36px 0 28px;
            }

            .page-hero h1 {
                font-size: 22px;
                letter-spacing: 0.5px;
            }

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

            .wallpaper-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .wallpaper-card img {
                height: 120px;
            }

            .glass-card {
                padding: 18px;
            }

            .btn {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

        @media (max-width: 360px) {
            .wallpaper-grid {
                grid-template-columns: 1fr;
            }
        }