/* roulang page: index */
:root {
            --bg-deep: #070B15;
            --bg-elev: #0C1322;
            --glass: rgba(255, 255, 255, 0.045);
            --glass-strong: rgba(255, 255, 255, 0.08);
            --stroke: rgba(255, 255, 255, 0.10);
            --primary: #18B7D5;
            --primary-2: #3A7BFF;
            --accent: #9AF53E;
            --warning: #FFB454;
            --text-hi: #F1F5F9;
            --text-md: #A0AEC0;
            --text-low: #64748B;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(24, 183, 213, 0.25);
            --glow-primary: 0 0 24px rgba(24, 183, 213, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-deep);
            color: var(--text-hi);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img,
        a,
        button,
        input,
        select,
        textarea {
            outline: none;
        }

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

        img {
            max-width: 100%;
            display: block;
            border-radius: 12px;
        }

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

        ::selection {
            background: rgba(24, 183, 213, 0.3);
            color: #fff;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-pad {
            padding: 80px 0;
        }

        .text-md {
            color: var(--text-md);
        }

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

        .glass {
            background: var(--glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
        }

        @supports not (backdrop-filter: blur(14px)) {
            .glass {
                background: var(--bg-elev);
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            box-shadow: var(--glow-primary);
            transition: all 0.25s ease;
            border: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary:hover {
            filter: brightness(1.1);
            box-shadow: 0 0 32px rgba(24, 183, 213, 0.55);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 16px rgba(24, 183, 213, 0.25);
        }

        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .menu-icon:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            background: var(--glass);
            border: 1px solid var(--stroke);
            color: var(--text-hi);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-ghost:hover {
            background: var(--glass-strong);
            border-color: rgba(24, 183, 213, 0.4);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            background: var(--accent);
            color: #0B1220;
            font-size: 15px;
            font-weight: 700;
            box-shadow: 0 0 24px rgba(154, 245, 62, 0.3);
            transition: all 0.25s ease;
            border: none;
            white-space: nowrap;
        }

        .btn-accent:hover {
            filter: brightness(1.08);
            box-shadow: 0 0 36px rgba(154, 245, 62, 0.5);
            transform: translateY(-2px);
        }

        .btn-accent:active {
            transform: translateY(1px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
            letter-spacing: 0.2px;
        }

        .badge-primary {
            background: rgba(24, 183, 213, 0.14);
            color: var(--primary);
            border: 1px solid rgba(24, 183, 213, 0.25);
        }

        .badge-accent {
            background: rgba(154, 245, 62, 0.10);
            color: var(--accent);
            border: 1px solid rgba(154, 245, 62, 0.25);
        }

        .badge-warning {
            background: rgba(255, 180, 84, 0.12);
            color: var(--warning);
            border: 1px solid rgba(255, 180, 84, 0.25);
        }

        .section-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-md);
            max-width: 560px;
            line-height: 1.7;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .link-primary {
            color: var(--primary);
            font-weight: 500;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s;
        }

        .link-primary:hover {
            gap: 10px;
            color: var(--accent);
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 68px;
            background: transparent;
            transition: background 0.4s, box-shadow 0.4s, border-color 0.4s;
            border-bottom: 1px solid transparent;
        }

        .site-header.scrolled {
            background: rgba(7, 11, 21, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        @supports not (backdrop-filter: blur(18px)) {
            .site-header.scrolled {
                background: #0A0F1D;
            }
        }

        .nav-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
            height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 16px rgba(24, 183, 213, 0.4);
            position: relative;
            overflow: hidden;
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            top: -8px;
            right: -8px;
            width: 20px;
            height: 20px;
            background: rgba(255, 255, 255, 0.18);
            border-radius: 50%;
        }

        .logo-mark svg {
            width: 18px;
            height: 18px;
            position: relative;
            z-index: 1;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.3px;
            color: var(--text-hi);
            white-space: nowrap;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-tag);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-md);
            transition: all 0.22s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-hi);
            background: rgba(24, 183, 213, 0.10);
        }

        .nav-link.active {
            color: var(--primary);
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.16), rgba(58, 123, 255, 0.10));
            font-weight: 600;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(11, 18, 32, 0.85);
            border: 1px solid #1E2A3A;
            border-radius: 10px;
            padding: 8px 14px;
            width: 180px;
            transition: width 0.3s ease, border-color 0.3s ease, box-shadow 0.3s;
        }

        .nav-search:focus-within {
            width: 220px;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(24, 183, 213, 0.2);
        }

        .nav-search input {
            flex: 1;
            background: none;
            border: none;
            color: var(--text-hi);
            font-size: 13px;
            min-width: 0;
        }

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

        .nav-search svg {
            width: 15px;
            height: 15px;
            color: var(--text-low);
            flex-shrink: 0;
        }

        .menu-icon {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--glass);
            border: 1px solid var(--stroke);
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }

        .menu-icon:hover {
            background: var(--glass-strong);
        }

        .menu-icon svg {
            width: 20px;
            height: 20px;
            color: var(--text-hi);
        }

        /* 抽屉 */
        .drawer-mask {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 110;
            background: rgba(0, 0, 0, 0.55);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .drawer-mask.open {
            display: block;
            opacity: 1;
        }

        .drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            z-index: 120;
            background: #0A0F1D;
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            padding: 80px 24px 32px;
            transition: right 0.35s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .drawer.open {
            right: 0;
        }

        .drawer .nav-link {
            width: 100%;
            font-size: 16px;
            padding: 14px 18px;
            border-radius: 12px;
        }

        .drawer-close {
            position: absolute;
            top: 18px;
            right: 18px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--glass);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--stroke);
        }

        .drawer-close svg {
            width: 18px;
            height: 18px;
            color: var(--text-hi);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            overflow: hidden;
            background: radial-gradient(ellipse at top left, rgba(24, 183, 213, 0.18), transparent 60%),
                radial-gradient(ellipse at bottom right, rgba(58, 123, 255, 0.12), transparent 55%);
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 0;
            pointer-events: none;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(7, 11, 21, 0.35), var(--bg-deep) 96%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            background: rgba(24, 183, 213, 0.10);
            border: 1px solid rgba(24, 183, 213, 0.2);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.2;
            color: var(--text-hi);
            margin-bottom: 24px;
        }

        .hero h1 .gradient-text {
            background: linear-gradient(120deg, var(--primary) 20%, var(--primary-2) 80%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-md);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 36px;
        }

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

        .hero-dashboard {
            position: relative;
            padding: 28px;
            border-radius: 20px;
            background: var(--glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.09);
            box-shadow: var(--shadow-card);
        }

        @supports not (backdrop-filter: blur(16px)) {
            .hero-dashboard {
                background: var(--bg-elev);
            }
        }

        .dash-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 22px;
        }

        .dash-item {
            padding: 14px 16px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .dash-label {
            font-size: 12px;
            color: var(--text-low);
            margin-bottom: 6px;
        }

        .dash-value {
            font-family: "DIN Alternate", "Inter", "PingFang SC", sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--text-hi);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .dash-value small {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            margin-left: 4px;
        }

        .dash-trend {
            font-size: 11px;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 4px;
            margin-top: 4px;
        }

        .dash-trend.down {
            color: var(--warning);
        }

        .dash-main {
            padding: 18px 16px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.10), rgba(58, 123, 255, 0.06));
            border: 1px solid rgba(24, 183, 213, 0.2);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .dash-main-label {
            font-size: 13px;
            color: var(--text-md);
        }

        .dash-main-num {
            font-size: 44px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: var(--text-hi);
            line-height: 1;
        }

        .dash-ring {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: conic-gradient(var(--primary) 0deg 260deg, rgba(255, 255, 255, 0.08) 260deg 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .dash-ring-inner {
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: #0A1120;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
        }

        .dash-bar-wrap {
            margin-top: 20px;
        }

        .dash-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-low);
            margin-bottom: 8px;
        }

        .dash-bar {
            height: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            overflow: hidden;
        }

        .dash-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            width: 86%;
        }

        .hero-float-card {
            position: absolute;
            bottom: -18px;
            left: -18px;
            padding: 12px 18px;
            border-radius: 14px;
            background: rgba(12, 19, 34, 0.88);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-float-card svg {
            width: 18px;
            height: 18px;
            color: var(--accent);
        }

        .hero-float-card span {
            font-size: 13px;
            color: var(--text-hi);
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            padding: 24px;
            border-radius: var(--radius-card);
            background: var(--glass);
            border: 1px solid rgba(255, 255, 255, 0.07);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .metric-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .metric-card:hover::after {
            opacity: 1;
        }

        .metric-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 20px;
        }

        .metric-icon.cyan {
            background: rgba(24, 183, 213, 0.14);
            color: var(--primary);
        }

        .metric-icon.blue {
            background: rgba(58, 123, 255, 0.14);
            color: var(--primary-2);
        }

        .metric-icon.green {
            background: rgba(154, 245, 62, 0.10);
            color: var(--accent);
        }

        .metric-icon.orange {
            background: rgba(255, 180, 84, 0.12);
            color: var(--warning);
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 6px;
        }

        .metric-num {
            font-size: 32px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: var(--text-hi);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .metric-num small {
            font-size: 14px;
            color: var(--text-md);
            font-weight: 500;
            margin-left: 2px;
        }

        .metric-trend {
            font-size: 12px;
            color: var(--text-low);
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .metric-trend .down {
            color: var(--warning);
        }

        /* 服务矩阵 */
        .services-section {
            background: linear-gradient(to bottom, var(--bg-deep), var(--bg-elev));
            position: relative;
            overflow: hidden;
        }

        .services-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: -200px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(58, 123, 255, 0.08), transparent 70%);
            pointer-events: none;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .services-grid .service-card:nth-child(5),
        .services-grid .service-card:nth-child(6) {
            grid-column: span 2;
        }

        .service-card {
            padding: 28px;
            border-radius: var(--radius-card);
            background: var(--glass);
            border: 1px solid rgba(255, 255, 255, 0.07);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(24, 183, 213, 0.4), transparent);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.06);
        }

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

        .service-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.18), rgba(58, 123, 255, 0.12));
            border: 1px solid rgba(24, 183, 213, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 22px;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 10px;
            letter-spacing: 0.2px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }

        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s;
        }

        .service-link:hover {
            gap: 10px;
            color: var(--accent);
        }

        /* 最新信息 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-card {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 20px;
            border-radius: var(--radius-card);
            background: var(--glass);
            border: 1px solid rgba(255, 255, 255, 0.07);
            transition: all 0.3s ease;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            background: rgba(255, 255, 255, 0.055);
        }

        .news-thumb {
            width: 132px;
            height: 88px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 12px;
            transition: transform 0.4s;
        }

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

        .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .news-cat {
            font-size: 12px;
            color: var(--primary);
            background: rgba(24, 183, 213, 0.10);
            padding: 2px 10px;
            border-radius: 999px;
            font-weight: 600;
        }

        .news-time {
            font-size: 12px;
            color: var(--text-low);
            font-variant-numeric: tabular-nums;
        }

        .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
        }

        .news-card:hover .news-title {
            color: var(--primary);
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            padding: 60px 24px;
            text-align: center;
            border-radius: var(--radius-card);
            background: var(--glass);
            border: 1px dashed rgba(255, 255, 255, 0.12);
        }

        .news-empty-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .news-empty-icon svg {
            width: 24px;
            height: 24px;
            color: var(--text-low);
        }

        .news-empty p {
            color: var(--text-low);
            font-size: 15px;
        }

        /* 结果对比 */
        .compare-section {
            background: var(--bg-elev);
            position: relative;
            overflow: hidden;
        }

        .compare-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .compare-card {
            padding: 32px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }

        .compare-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .compare-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-card.old h3 {
            color: var(--text-md);
        }

        .compare-card.new h3 {
            color: var(--primary);
        }

        .compare-bars {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 20px;
        }

        .compare-bar-item .bar-label {
            font-size: 13px;
            color: var(--text-md);
            margin-bottom: 6px;
            display: flex;
            justify-content: space-between;
        }

        .compare-bar-item .bar-track {
            height: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            overflow: hidden;
        }

        .compare-bar-item .bar-fill {
            height: 100%;
            border-radius: 999px;
            transition: width 0.6s ease;
        }

        .compare-card.old .bar-fill {
            background: linear-gradient(90deg, #475569, #64748B);
        }

        .compare-card.new .bar-fill {
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .compare-note {
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.7;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .faq-item {
            border-radius: var(--radius-card);
            background: var(--glass);
            border: 1px solid rgba(255, 255, 255, 0.07);
            overflow: hidden;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .faq-item:hover {
            border-color: rgba(24, 183, 213, 0.25);
        }

        .faq-item.active {
            border-color: rgba(24, 183, 213, 0.4);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            cursor: pointer;
            transition: color 0.2s;
        }

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

        .faq-arrow {
            width: 20px;
            height: 20px;
            color: var(--text-low);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.75;
        }

        /* CTA 表单 */
        .cta-section {
            position: relative;
            overflow: hidden;
            padding: 96px 0;
            background: radial-gradient(ellipse at bottom left, rgba(58, 123, 255, 0.16), transparent 55%),
                radial-gradient(ellipse at top right, rgba(24, 183, 213, 0.12), transparent 50%);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-txt h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .cta-txt p {
            color: var(--text-md);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cta-contact-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-md);
        }

        .cta-contact-item svg {
            width: 18px;
            height: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .cta-form {
            padding: 36px;
            border-radius: 20px;
            background: rgba(10, 15, 29, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
        }

        @supports not (backdrop-filter: blur(18px)) {
            .cta-form {
                background: #0A0F1D;
            }
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 12px;
            color: var(--text-md);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: #0B1220;
            border: 1px solid #1E2A3A;
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-hi);
            transition: border-color 0.3s, box-shadow 0.3s;
            font-family: inherit;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(24, 183, 213, 0.2);
            outline: none;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-low);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        /* 页脚 */
        .site-footer {
            background: #050A12;
            border-top: none;
            padding: 72px 0 0;
            position: relative;
        }

        .site-footer::before {
            content: '';
            display: block;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(24, 183, 213, 0.4), transparent);
            width: 100%;
            margin-bottom: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-low);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-md);
            transition: color 0.2s, padding-left 0.2s;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-md);
            margin-bottom: 12px;
        }

        .footer-contact-item svg {
            width: 16px;
            height: 16px;
            color: var(--primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 24px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-low);
        }

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

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

        /* 动画 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animated-fade-up {
            opacity: 0;
            animation: fadeUp 0.7s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }

        .delay-2 {
            animation-delay: 0.2s;
        }

        .delay-3 {
            animation-delay: 0.3s;
        }

        /* 响应式 */
        @media (max-width: 1280px) {
            .container {
                padding: 0 24px;
            }
            .nav-inner {
                padding: 0 24px;
            }
        }

        @media (max-width: 1024px) {
            .nav-search {
                width: 44px;
                justify-content: center;
                padding: 8px;
            }
            .nav-search input {
                display: none;
            }
            .nav-search:focus-within {
                width: 44px;
            }
            .nav-channels {
                display: none;
            }
            .nav-actions .btn-ghost {
                display: none;
            }
            .menu-icon {
                display: flex;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 48px;
                padding-top: 40px;
            }
            .hero-dashboard {
                max-width: 520px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid .service-card:nth-child(5),
            .services-grid .service-card:nth-child(6) {
                grid-column: span 1;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .section-pad {
                padding: 64px 0;
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding: 120px 0 56px;
                min-height: auto;
            }
            .section-title {
                font-size: 24px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 32px;
            }
            .news-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
            .compare-card {
                padding: 24px;
            }
            .cta-form {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 16px;
            }
            .nav-actions .btn-primary {
                display: none;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 18px;
            }
            .metric-num {
                font-size: 26px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .services-grid .service-card:nth-child(5),
            .services-grid .service-card:nth-child(6) {
                grid-column: span 1;
            }
            .compare-grid {
                gap: 16px;
            }
            .dash-grid {
                grid-template-columns: 1fr;
            }
            .hero-float-card {
                display: none;
            }
            .faq-question {
                padding: 18px 20px;
                font-size: 14px;
            }
            .faq-answer-inner {
                padding: 0 20px 18px;
            }
            .cta-section {
                padding: 64px 0;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --bg-deep: #070B15;
            --bg-elev: #0C1322;
            --glass: rgba(255,255,255,0.045);
            --glass-strong: rgba(255,255,255,0.08);
            --stroke: rgba(255,255,255,0.10);
            --primary: #18B7D5;
            --primary-2: #3A7BFF;
            --accent: #9AF53E;
            --warning: #FFB454;
            --text-hi: #F1F5F9;
            --text-md: #A0AEC0;
            --text-low: #64748B;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.25);
            --shadow-hover: 0 8px 32px rgba(0,0,0,0.35), 0 0 0 1px rgba(24,183,213,0.25);
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg-deep);
            color: var(--text-hi);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button, input, select, textarea {
            font: inherit;
            color: inherit;
        }
        ul, ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 68px;
            transition: all 0.4s ease;
            background: transparent;
            border-bottom: 1px solid transparent;
        }
        .site-header.scrolled {
            background: rgba(7, 11, 21, 0.82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom-color: rgba(255,255,255,0.06);
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            height: 68px;
            gap: 24px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            box-shadow: 0 0 18px rgba(24,183,213,0.45);
        }
        .logo-mark svg {
            width: 18px;
            height: 18px;
        }
        .logo-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-hi);
            white-space: nowrap;
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            height: 38px;
            padding: 0 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-md);
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-hi);
            background: rgba(24,183,213,0.12);
        }
        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(24,183,213,0.22), rgba(58,123,255,0.18));
            box-shadow: inset 0 0 0 1px rgba(24,183,213,0.35);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.10);
            border-radius: 999px;
            padding: 0 14px;
            height: 38px;
            width: 180px;
            transition: all 0.3s ease;
        }
        .search-box:focus-within {
            width: 220px;
            border-color: rgba(24,183,213,0.5);
            box-shadow: 0 0 0 3px rgba(24,183,213,0.15);
        }
        .search-box svg {
            width: 16px;
            height: 16px;
            stroke: var(--text-low);
            margin-right: 8px;
            flex-shrink: 0;
        }
        .search-box input {
            background: none;
            border: none;
            outline: none;
            color: var(--text-hi);
            font-size: 13px;
            width: 100%;
        }
        .search-box input::placeholder {
            color: var(--text-low);
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.10);
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            margin-left: auto;
            flex-direction: column;
            gap: 5px;
        }
        .menu-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-hi);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: rgba(9, 14, 26, 0.97);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding: 20px 24px 28px;
            flex-direction: column;
            gap: 6px;
            z-index: 999;
            transform: translateY(-12px);
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s ease;
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu .nav-link {
            height: 46px;
            justify-content: flex-start;
            border-radius: 10px;
            font-size: 15px;
        }
        .mobile-actions {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            padding: 0 22px;
            height: 40px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            text-align: center;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            box-shadow: 0 0 24px rgba(24,183,213,0.30);
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            box-shadow: 0 0 32px rgba(24,183,213,0.5);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 16px rgba(24,183,213,0.3);
        }
        .btn-primary:focus-visible,
        .btn-ghost:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(24,183,213,0.45);
        }
        .btn-ghost {
            background: rgba(255,255,255,0.05);
            border-color: rgba(255,255,255,0.12);
            color: var(--text-hi);
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,0.10);
            border-color: rgba(255,255,255,0.2);
            transform: translateY(-1px);
        }
        .btn-ghost:active {
            transform: translateY(1px);
        }
        .btn-accent {
            background: var(--accent);
            color: #0A1A00;
            box-shadow: 0 0 24px rgba(154,245,62,0.3);
        }
        .btn-accent:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 32px rgba(154,245,62,0.45);
            transform: translateY(-1px);
        }
        .btn-sm {
            height: 34px;
            padding: 0 16px;
            font-size: 13px;
        }
        .btn-lg {
            height: 48px;
            padding: 0 32px;
            font-size: 16px;
        }
        .btn-block {
            width: 100%;
        }

        /* ===== 标签 ===== */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(24,183,213,0.10);
            border: 1px solid rgba(24,183,213,0.25);
            color: #7DDCF0;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.4;
        }
        .tag-warning {
            background: rgba(255,180,84,0.12);
            border-color: rgba(255,180,84,0.3);
            color: var(--warning);
        }
        .tag-accent {
            background: rgba(154,245,62,0.12);
            border-color: rgba(154,245,62,0.3);
            color: var(--accent);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--text-md);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--text-hi);
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .breadcrumb span {
            color: rgba(255,255,255,0.25);
        }

        /* ===== 文章 Banner ===== */
        .article-banner {
            position: relative;
            padding: 148px 0 64px;
            background:
                linear-gradient(135deg, rgba(7, 11, 21, 0.94), rgba(7, 11, 21, 0.78)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at top left, rgba(24,183,213,0.18), transparent 60%),
                radial-gradient(ellipse at bottom right, rgba(58,123,255,0.12), transparent 50%);
            pointer-events: none;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }
        .article-banner .container {
            position: relative;
            z-index: 1;
        }
        .article-heading h1 {
            font-size: clamp(30px, 4vw, 46px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            max-width: 840px;
            color: var(--text-hi);
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-md);
            font-size: 13px;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item svg {
            width: 15px;
            height: 15px;
            stroke: var(--text-low);
        }

        /* ===== 主体布局 ===== */
        .article-layout {
            display: flex;
            gap: 40px;
            padding-top: 48px;
            padding-bottom: 72px;
            align-items: flex-start;
        }
        .article-main {
            flex: 1;
            min-width: 0;
        }
        .article-aside {
            width: 300px;
            flex-shrink: 0;
            position: sticky;
            top: 96px;
        }
        .aside-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--stroke);
            position: relative;
        }
        .aside-title::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--primary-2));
            border-radius: 2px;
        }

        /* ===== 正文阅读区 ===== */
        .article-content {
            max-width: 760px;
            font-size: 16px;
            line-height: 1.9;
            color: rgba(241,245,249,0.88);
        }
        .article-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-hi);
            margin: 48px 0 20px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-hi);
            margin: 36px 0 16px;
            padding-left: 12px;
            border-left: 3px solid rgba(24,183,213,0.5);
            line-height: 1.4;
        }
        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-hi);
            margin: 28px 0 12px;
        }
        .article-content p {
            margin-bottom: 24px;
        }
        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid rgba(24,183,213,0.3);
        }
        .article-content a:hover {
            color: #56D9F2;
            border-bottom-color: var(--primary);
        }
        .article-content ul {
            margin: 24px 0;
            padding-left: 4px;
        }
        .article-content ul li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 10px;
        }
        .article-content ul li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 12px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
        }
        .article-content ol {
            margin: 24px 0;
            padding-left: 24px;
            counter-reset: list;
        }
        .article-content ol li {
            position: relative;
            padding-left: 12px;
            margin-bottom: 10px;
            counter-increment: list;
        }
        .article-content ol li::before {
            content: counter(list) '.';
            position: absolute;
            left: -8px;
            color: var(--primary);
            font-weight: 600;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(24,183,213,0.07);
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 32px 0;
            color: var(--text-md);
            font-style: normal;
        }
        .article-content blockquote p {
            margin-bottom: 0;
        }
        .article-content code {
            background: rgba(255,255,255,0.08);
            padding: 2px 8px;
            border-radius: 5px;
            font-size: 0.9em;
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
            color: #9CE5F5;
        }
        .article-content pre {
            background: #0B1220;
            border: 1px solid var(--stroke);
            border-radius: 12px;
            padding: 20px 24px;
            overflow-x: auto;
            margin: 32px 0;
            line-height: 1.6;
        }
        .article-content pre code {
            background: none;
            padding: 0;
            color: #C9D4E0;
        }
        .article-content img {
            border-radius: 16px;
            border: 1px solid var(--stroke);
            margin: 32px 0;
            box-shadow: var(--shadow-card);
        }
        .article-content figcaption {
            text-align: center;
            color: var(--text-low);
            font-size: 13px;
            margin-top: -20px;
            margin-bottom: 32px;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 32px 0;
            font-size: 14px;
        }
        .article-content table th,
        .article-content table td {
            padding: 12px 16px;
            border: 1px solid rgba(255,255,255,0.08);
            text-align: left;
            color: var(--text-md);
        }
        .article-content table th {
            background: rgba(255,255,255,0.05);
            color: var(--text-hi);
            font-weight: 600;
        }
        .article-content table tr:hover td {
            background: rgba(255,255,255,0.025);
        }
        .article-content hr {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--stroke), transparent);
            margin: 40px 0;
        }

        /* ===== 文章标签与分页 ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .article-pager {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 32px;
            padding: 24px 0;
            border-top: 1px solid rgba(255,255,255,0.06);
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .pager-link {
            font-size: 14px;
            color: var(--text-md);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.25s ease;
        }
        .pager-link:hover {
            color: var(--primary);
        }
        .pager-link.prev {
            padding-right: 8px;
        }
        .pager-link.next {
            padding-left: 8px;
        }

        /* ===== 相关推荐 ===== */
        .related-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .related-card {
            display: flex;
            gap: 14px;
            padding: 12px;
            border-radius: 14px;
            background: var(--glass);
            border: 1px solid var(--stroke);
            transition: all 0.3s ease;
        }
        .related-card:hover {
            background: var(--glass-strong);
            border-color: rgba(24,183,213,0.35);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .related-card img {
            width: 92px;
            height: 70px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .related-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .related-title {
            font-size: 13px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-hi);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .related-info time {
            font-size: 12px;
            color: var(--text-low);
            font-variant-numeric: tabular-nums;
        }

        /* ===== 内容未找到 ===== */
        .not-found {
            text-align: center;
            padding: 80px 24px;
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: 20px;
        }
        .not-found-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: rgba(24,183,213,0.10);
            border: 1px solid rgba(24,183,213,0.25);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .not-found-icon svg {
            width: 28px;
            height: 28px;
            stroke: var(--primary);
        }
        .not-found h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-hi);
        }
        .not-found p {
            color: var(--text-md);
            font-size: 15px;
            margin-bottom: 28px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 64px 0;
            background:
                linear-gradient(135deg, rgba(7,11,21,0.92), rgba(7,11,21,0.82)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-top: 1px solid rgba(255,255,255,0.05);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-text h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-hi);
        }
        .cta-text p {
            color: var(--text-md);
            font-size: 15px;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #050A12;
            border-top: 1px solid transparent;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(24,183,213,0.4), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding: 56px 0 40px;
        }
        .footer-brand p {
            color: var(--text-md);
            font-size: 14px;
            line-height: 1.7;
            margin-top: 4px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 18px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-md);
            font-size: 14px;
            transition: all 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-md);
            font-size: 14px;
            margin-bottom: 14px;
        }
        .footer-contact-item svg {
            width: 16px;
            height: 16px;
            stroke: var(--primary);
            flex-shrink: 0;
        }
        .footer-contact-item a {
            color: var(--text-md);
            transition: color 0.25s ease;
        }
        .footer-contact-item a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding: 20px 0;
        }
        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-low);
        }
        .footer-bottom-inner a {
            color: var(--text-low);
        }
        .footer-bottom-inner a:hover {
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-channels {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .header-actions .search-box {
                width: 150px;
            }
            .header-actions .search-box:focus-within {
                width: 180px;
            }
            .article-layout {
                flex-direction: column;
            }
            .article-aside {
                width: 100%;
                position: static;
                margin-top: 8px;
            }
            .related-list {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .article-banner {
                padding: 120px 0 48px;
            }
            .article-heading h1 {
                font-size: 28px;
            }
            .article-meta {
                gap: 12px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 24px;
            }
            .article-content h3 {
                font-size: 20px;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-buttons {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 0 32px;
            }
        }
        @media (max-width: 640px) {
            .header-inner {
                gap: 12px;
            }
            .logo-text {
                font-size: 17px;
            }
            .header-actions .search-box {
                display: none;
            }
            .header-actions {
                gap: 8px;
            }
            .btn-sm {
                padding: 0 14px;
                font-size: 12px;
                height: 32px;
            }
            .article-layout {
                padding-top: 32px;
                padding-bottom: 48px;
            }
            .related-list {
                grid-template-columns: 1fr;
            }
            .breadcrumb .current {
                max-width: 220px;
            }
            .article-pager {
                flex-wrap: wrap;
                justify-content: center;
            }
            .article-pager .btn {
                order: -1;
                width: 100%;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .article-content table {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .header-actions .btn-ghost {
                display: none;
            }
            .article-banner {
                padding: 108px 0 40px;
            }
            .article-meta .meta-item:nth-child(3) {
                display: none;
            }
            .article-content blockquote {
                padding: 16px 18px;
            }
            .article-content pre {
                padding: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #070B15;
            --bg-elev: #0C1322;
            --glass: rgba(255, 255, 255, 0.045);
            --glass-strong: rgba(255, 255, 255, 0.08);
            --stroke: rgba(255, 255, 255, 0.10);
            --primary: #18B7D5;
            --primary-2: #3A7BFF;
            --accent: #9AF53E;
            --warning: #FFB454;
            --text-hi: #F1F5F9;
            --text-md: #A0AEC0;
            --text-low: #64748B;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(24, 183, 213, 0.25);
            --glow-primary: 0 0 24px rgba(24, 183, 213, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background-color: var(--bg-deep);
            background-image: radial-gradient(ellipse at top left, rgba(24, 183, 213, 0.10), transparent 60%);
            color: var(--text-hi);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 15px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
            color: var(--text-hi);
            background: #0B1220;
            border: 1px solid #1E2A3A;
            border-radius: var(--radius-btn);
            padding: 8px 14px;
            transition: border-color 0.25s, box-shadow 0.25s;
        }

        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
            border-color: var(--primary) !important;
            box-shadow: 0 0 0 3px rgba(24, 183, 213, 0.18);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-head {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 40px;
        }

        .section-head .bar {
            width: 4px;
            height: 32px;
            border-radius: 999px;
            background: linear-gradient(180deg, #18B7D5, #3A7BFF);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .section-label {
            color: var(--primary);
            font-size: 13px;
            letter-spacing: 0.1em;
            font-weight: 500;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            margin: 4px 0 8px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            color: var(--text-md);
            max-width: 600px;
            font-size: 15px;
            line-height: 1.7;
            margin: 0;
        }

        .grid-overlay {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 68px;
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(7, 11, 21, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom-color: rgba(255, 255, 255, 0.07);
        }

        .header-inner {
            display: flex;
            align-items: center;
            height: 68px;
            gap: 28px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.25), rgba(58, 123, 255, 0.25));
            border: 1px solid rgba(24, 183, 213, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 16px rgba(24, 183, 213, 0.2);
        }

        .logo-mark svg {
            width: 20px;
            height: 20px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.01em;
            white-space: nowrap;
            background: linear-gradient(135deg, #F1F5F9, #B6E8F5);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
            flex: 1;
        }

        .nav-link {
            display: inline-block;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 14px;
            color: var(--text-md);
            white-space: nowrap;
            transition: all 0.25s ease;
        }

        .nav-link:hover {
            color: var(--text-hi);
            background: rgba(24, 183, 213, 0.12);
        }

        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.25), rgba(58, 123, 255, 0.25));
            box-shadow: inset 0 0 0 1px rgba(24, 183, 213, 0.35);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search svg {
            position: absolute;
            left: 12px;
            width: 16px;
            height: 16px;
            color: var(--text-low);
            pointer-events: none;
        }

        .nav-search input {
            width: 180px;
            height: 38px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--stroke);
            padding: 0 14px 0 36px;
            font-size: 13px;
            transition: width 0.3s ease, border-color 0.3s;
        }

        .nav-search input:focus {
            width: 220px;
            background: rgba(255, 255, 255, 0.07);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #18B7D5, #3A7BFF);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: var(--glow-primary);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary:hover {
            filter: brightness(1.1);
            box-shadow: 0 0 30px rgba(24, 183, 213, 0.45);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 14px rgba(24, 183, 213, 0.3);
        }

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

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            background: var(--glass);
            border: 1px solid var(--stroke);
            color: var(--text-hi);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-ghost:hover {
            background: var(--glass-strong);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--stroke);
            background: var(--glass);
            align-items: center;
            justify-content: center;
        }

        .menu-toggle svg {
            width: 20px;
            height: 20px;
            color: var(--text-hi);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: #0B1322;
            border-bottom: 1px solid var(--stroke);
            padding: 16px 32px 24px;
            z-index: 99;
            flex-direction: column;
            gap: 6px;
        }

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

        .mobile-menu a {
            padding: 10px 14px;
            border-radius: 10px;
            font-size: 15px;
            color: var(--text-md);
        }

        .mobile-menu a:hover {
            background: rgba(24, 183, 213, 0.1);
            color: var(--text-hi);
        }

        .mobile-menu a.active {
            background: rgba(24, 183, 213, 0.15);
            color: #fff;
        }

        /* ===== Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            padding-top: 68px;
            background: linear-gradient(rgba(7, 11, 21, 0.72), rgba(7, 11, 21, 0.88)),
                url("/assets/images/backpic/back-1.png") center center / cover no-repeat;
            overflow: hidden;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top left, rgba(24, 183, 213, 0.22), transparent 55%);
            pointer-events: none;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 64px;
            align-items: center;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(24, 183, 213, 0.12);
            border: 1px solid rgba(24, 183, 213, 0.3);
            color: #8AE3F2;
            font-size: 12px;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px var(--accent);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        .cat-hero h1 {
            font-size: clamp(34px, 5vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin: 0 0 18px;
            background: linear-gradient(135deg, #FFFFFF, #A7E8F5);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .cat-hero .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-md);
            max-width: 480px;
            margin: 0 0 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-panel {
            background: rgba(255, 255, 255, 0.045);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 28px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .panel-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-md);
            margin-bottom: 20px;
        }

        .panel-head .live-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .panel-head .live-dot::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px var(--accent);
        }

        .panel-big-num {
            font-size: 40px;
            font-weight: 800;
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
            color: var(--text-hi);
            line-height: 1;
            margin-bottom: 6px;
        }

        .panel-big-num span {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-md);
            margin-left: 8px;
        }

        .panel-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin: 20px 0;
        }

        .panel-stats>div {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--stroke);
            border-radius: 12px;
            padding: 12px 14px;
        }

        .panel-stats span {
            display: block;
            font-size: 11px;
            color: var(--text-low);
            margin-bottom: 4px;
        }

        .panel-stats b {
            font-size: 20px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: var(--primary);
        }

        .panel-bar .bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-md);
            margin-bottom: 8px;
        }

        .progress-track {
            height: 6px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        /* ===== Filter ===== */
        .filter-section {
            padding: 64px 0 24px;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: 16px;
            padding: 16px 20px;
            backdrop-filter: blur(14px);
        }

        .filter-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-tag {
            display: inline-block;
            padding: 7px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--stroke);
            font-size: 13px;
            color: var(--text-md);
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .filter-tag:hover {
            border-color: rgba(24, 183, 213, 0.4);
            color: var(--text-hi);
        }

        .filter-tag.active {
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.2), rgba(58, 123, 255, 0.2));
            color: #fff;
            border-color: rgba(24, 183, 213, 0.5);
        }

        .sort-select {
            background: #0B1220;
            border: 1px solid #1E2A3A;
            border-radius: 10px;
            padding: 8px 16px;
            font-size: 13px;
            color: var(--text-md);
            cursor: pointer;
        }

        /* ===== Content Cards ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .feature-card-large {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: 20px;
            overflow: hidden;
            transition: all 0.35s ease;
            margin-top: 24px;
        }

        .feature-card-large:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(24, 183, 213, 0.25);
            background: var(--glass-strong);
        }

        .large-cover {
            position: relative;
            min-height: 260px;
            overflow: hidden;
        }

        .large-cover img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .large-cover .cover-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(7, 11, 21, 0.78);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(24, 183, 213, 0.4);
            color: #8AE3F2;
            font-size: 12px;
            padding: 4px 14px;
            border-radius: 999px;
        }

        .large-body {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .large-body h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 12px;
        }

        .large-body p {
            font-size: 15px;
            color: var(--text-md);
            line-height: 1.8;
            margin: 0 0 18px;
        }

        .large-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            color: var(--text-low);
            font-size: 12px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .large-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: gap 0.25s ease;
        }

        .card-link:hover {
            gap: 10px;
            color: #5ECDE3;
        }

        .content-card {
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            background: var(--glass-strong);
        }

        .card-cover {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: #0B1220;
            position: relative;
        }

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

        .content-card:hover .card-cover img {
            transform: scale(1.06);
        }

        .card-body {
            padding: 20px 22px 22px;
        }

        .card-badge {
            display: inline-flex;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 11px;
            color: var(--primary);
            background: rgba(24, 183, 213, 0.12);
            border: 1px solid rgba(24, 183, 213, 0.25);
            margin-bottom: 12px;
        }

        .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 8px;
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.7;
            margin: 0 0 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-low);
            font-size: 12px;
        }

        .card-meta .card-link {
            font-size: 13px;
        }

        /* ===== Data Highlight ===== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 48px;
        }

        .data-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--stroke);
            border-radius: 16px;
            padding: 22px 24px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .data-card::after {
            content: "";
            position: absolute;
            right: -20px;
            top: -20px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(24, 183, 213, 0.18), transparent 70%);
        }

        .data-card:hover {
            border-color: rgba(24, 183, 213, 0.35);
            transform: translateY(-2px);
        }

        .data-card .data-label {
            font-size: 13px;
            color: var(--text-md);
            margin-bottom: 8px;
        }

        .data-card .data-num {
            font-size: 32px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            line-height: 1;
            color: var(--text-hi);
        }

        .data-card .data-num em {
            font-style: normal;
            font-size: 15px;
            color: var(--primary);
            margin-left: 4px;
        }

        .data-card .data-trend {
            font-size: 12px;
            color: var(--accent);
            margin-top: 10px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Feature Grid ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-grid .feature-card:nth-child(1) {
            grid-column: span 1;
        }

        .feature-card {
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: 16px;
            padding: 28px;
            backdrop-filter: blur(14px);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            background: var(--glass-strong);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.2), rgba(58, 123, 255, 0.2));
            border: 1px solid rgba(24, 183, 213, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .feature-icon svg {
            width: 22px;
            height: 22px;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 8px;
        }

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

        .feature-card .enter-line {
            margin-top: 18px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
        }

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

        .scene-card {
            background: linear-gradient(160deg, rgba(24, 183, 213, 0.12), rgba(58, 123, 255, 0.05)), rgba(255, 255, 255, 0.04);
            border: 1px solid var(--stroke);
            border-radius: 20px;
            padding: 32px;
            transition: all 0.3s ease;
        }

        .scene-card:hover {
            border-color: rgba(24, 183, 213, 0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .scene-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, #18B7D5, #3A7BFF);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            box-shadow: 0 0 18px rgba(24, 183, 213, 0.3);
        }

        .scene-icon svg {
            width: 22px;
            height: 22px;
            color: #fff;
        }

        .scene-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
        }

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

        /* ===== Flow ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 16px;
        }

        .flow-step {
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: 16px;
            padding: 30px 22px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }

        .flow-step:hover {
            border-color: rgba(24, 183, 213, 0.35);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #18B7D5, #3A7BFF);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 18px rgba(24, 183, 213, 0.3);
        }

        .flow-step h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 8px;
        }

        .flow-step p {
            font-size: 13px;
            color: var(--text-md);
            line-height: 1.6;
            margin: 0;
        }

        .flow-arrow {
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 18px;
            z-index: 2;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: 16px;
            margin-bottom: 12px;
            backdrop-filter: blur(14px);
            transition: border-color 0.3s;
        }

        .faq-item.open {
            border-color: rgba(24, 183, 213, 0.35);
        }

        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            gap: 16px;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--stroke);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.35s ease, background 0.3s;
        }

        .faq-icon svg {
            width: 12px;
            height: 12px;
            color: var(--primary);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: rgba(24, 183, 213, 0.15);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            padding: 0 24px;
            transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-a {
            max-height: 500px;
            opacity: 1;
            padding: 0 24px 22px;
        }

        .faq-a p {
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.8;
            margin: 0;
            border-left: 2px solid rgba(24, 183, 213, 0.4);
            padding-left: 16px;
        }

        /* ===== CTA ===== */
        .cta-panel {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            padding: 64px 48px;
            text-align: center;
            background: url("/assets/images/backpic/back-2.png") center center / cover no-repeat;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 11, 21, 0.9), rgba(12, 19, 34, 0.78));
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(24, 183, 213, 0.16), transparent 70%);
        }

        .cta-panel>* {
            position: relative;
            z-index: 2;
        }

        .cta-panel h2 {
            font-size: clamp(24px, 3.4vw, 38px);
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 16px;
        }

        .cta-panel p {
            font-size: 15px;
            color: var(--text-md);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #050A12;
            border-top: 1px solid transparent;
            position: relative;
            margin-top: 32px;
        }

        .site-footer::before {
            content: "";
            display: block;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(24, 183, 213, 0.4), transparent);
            margin: 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding: 56px 0 40px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-low);
            line-height: 1.8;
            margin: 12px 0 0;
            max-width: 320px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 16px;
        }

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

        .footer-links a {
            font-size: 13px;
            color: var(--text-md);
            transition: color 0.25s;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-md);
            margin-bottom: 12px;
        }

        .footer-contact-item svg {
            width: 16px;
            height: 16px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: var(--text-low);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-search input {
                width: 140px;
            }
            .nav-search input:focus {
                width: 170px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cat-hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-panel {
                max-width: 480px;
            }
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 48px 0;
            }
            .header-inner {
                gap: 16px;
            }
            .nav-channels {
                display: none;
            }
            .nav-search,
            .nav-actions .btn-ghost,
            .nav-actions .btn-primary {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .cat-hero {
                min-height: 520px;
            }
            .cat-hero h1 {
                font-size: 34px;
            }
            .feature-card-large {
                grid-template-columns: 1fr;
            }
            .large-cover {
                min-height: 200px;
            }
            .large-body {
                padding: 24px;
            }
            .filter-bar {
                padding: 14px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-panel {
                padding: 48px 24px;
            }
            .faq-q {
                padding: 18px 18px;
            }
        }

        @media (max-width: 640px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-card {
                padding: 18px;
            }
            .data-card .data-num {
                font-size: 24px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #070B15;
            --bg-elev: #0C1322;
            --glass: rgba(255, 255, 255, 0.045);
            --glass-strong: rgba(255, 255, 255, 0.08);
            --stroke: rgba(255, 255, 255, 0.10);
            --primary: #18B7D5;
            --primary-2: #3A7BFF;
            --accent: #9AF53E;
            --warning: #FFB454;
            --text-hi: #F1F5F9;
            --text-md: #A0AEC0;
            --text-low: #64748B;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg-deep);
            color: var(--text-hi);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            font-size: 15px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        body.nav-scrolled .site-header {
            background: rgba(7, 11, 21, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--stroke);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

        body.nav-scrolled .site-header .header-inner {
            height: 68px;
        }

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

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
        }

        .container {
            width: min(1200px, 92%);
            margin: 0 auto;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: transparent;
            transition: all 0.3s ease;
        }

        .header-inner {
            height: 76px;
            display: flex;
            align-items: center;
            gap: 24px;
            transition: height 0.3s ease;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.25), rgba(58, 123, 255, 0.15));
            border: 1px solid rgba(24, 183, 213, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(24, 183, 213, 0.2);
            flex-shrink: 0;
        }

        .logo-mark svg {
            width: 22px;
            height: 22px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.2px;
            white-space: nowrap;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
        }

        .nav-link {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-md);
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text-hi);
            background: rgba(24, 183, 213, 0.10);
        }

        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.90), rgba(58, 123, 255, 0.75));
            box-shadow: 0 0 20px rgba(24, 183, 213, 0.25);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            width: 180px;
            height: 40px;
            background: rgba(11, 18, 32, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 10px;
            padding: 0 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
            color: var(--text-md);
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-hi);
            width: 100%;
            font-size: 13px;
        }

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

        .header-search:focus-within {
            width: 220px;
            border-color: rgba(24, 183, 213, 0.6);
            box-shadow: 0 0 0 3px rgba(24, 183, 213, 0.15);
        }

        .header-search svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            transition: all 0.25s ease;
            border: none;
            white-space: nowrap;
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid var(--stroke);
            color: var(--text-hi);
        }

        .btn-ghost:hover {
            background: var(--glass-strong);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .btn-primary {
            background: linear-gradient(135deg, #18B7D5, #3A7BFF);
            color: #fff;
            box-shadow: 0 0 24px rgba(24, 183, 213, 0.30);
        }

        .btn-primary:hover {
            filter: brightness(1.1);
            box-shadow: 0 0 32px rgba(24, 183, 213, 0.45);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 16px rgba(24, 183, 213, 0.25);
        }

        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .nav-link:focus-visible {
            outline: none;
            box-shadow: 0 0 0 2px rgba(24, 183, 213, 0.8);
        }

        .menu-toggle {
            display: none;
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: 10px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--text-hi);
        }

        .menu-toggle svg {
            width: 20px;
            height: 20px;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            padding: 180px 0 90px;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 11, 21, 0.62), rgba(7, 11, 21, 0.92)), radial-gradient(ellipse at top left, rgba(24, 183, 213, 0.20), transparent 60%);
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 0;
            pointer-events: none;
        }

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

        .category-hero .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(24, 183, 213, 0.15);
            border: 1px solid rgba(24, 183, 213, 0.35);
            color: #7FE4F5;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: clamp(32px, 4.5vw, 52px);
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }

        .category-hero p {
            max-width: 680px;
            font-size: 16px;
            color: var(--text-md);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .category-stats {
            display: flex;
            gap: 40px;
            margin-top: 38px;
            flex-wrap: wrap;
        }

        .category-stats-item .cat-stat-num {
            font-size: 32px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: var(--text-hi);
            letter-spacing: -1px;
        }

        .category-stats-item .cat-stat-label {
            font-size: 12px;
            color: var(--text-low);
            margin-top: 2px;
        }

        .category-stats-item .cat-stat-num span {
            color: var(--accent);
            font-size: 20px;
            margin-left: 4px;
        }

        /* Filter Section */
        .filter-section {
            padding: 40px 0 10px;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--stroke);
            border-radius: 14px;
            padding: 14px 18px;
        }

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

        .filter-tag {
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            background: transparent;
            border: 1px solid var(--stroke);
            color: var(--text-md);
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .filter-tag:hover {
            border-color: rgba(24, 183, 213, 0.4);
            color: var(--text-hi);
        }

        .filter-tag.active {
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.20), rgba(58, 123, 255, 0.15));
            border-color: rgba(24, 183, 213, 0.5);
            color: #7FE4F5;
            font-weight: 600;
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-low);
            font-size: 13px;
        }

        .filter-sort select {
            background: #0B1220;
            border: 1px solid #1E2A3A;
            color: var(--text-hi);
            border-radius: 8px;
            padding: 7px 30px 7px 14px;
            font-size: 13px;
            outline: none;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23A0AEC0' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            cursor: pointer;
        }

        .filter-sort select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(24, 183, 213, 0.15);
        }

        /* Content Grid */
        .content-section {
            padding: 24px 0 30px;
        }

        .feature-card-large {
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            gap: 0;
            border-radius: 18px;
            overflow: hidden;
            background: var(--bg-elev);
            border: 1px solid var(--stroke);
            box-shadow: var(--shadow-card);
            margin-bottom: 28px;
            transition: all 0.3s ease;
        }

        .feature-card-large:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(24, 183, 213, 0.25);
        }

        .feature-card-large .fc-img {
            position: relative;
            min-height: 280px;
            overflow: hidden;
        }

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

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

        .fc-img .fc-badge {
            position: absolute;
            top: 18px;
            left: 18px;
            background: linear-gradient(135deg, #18B7D5, #3A7BFF);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            box-shadow: 0 4px 18px rgba(24, 183, 213, 0.35);
            z-index: 1;
        }

        .fc-body {
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .fc-body .fc-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-low);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

        .fc-body .fc-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .fc-body h3 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .fc-body p {
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.75;
            margin-bottom: 24px;
        }

        .fc-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            transition: gap 0.3s ease;
        }

        .fc-link svg {
            width: 16px;
            height: 16px;
            transition: transform 0.3s ease;
        }

        .fc-link:hover svg {
            transform: translateX(4px);
        }

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

        .content-card {
            border-radius: var(--radius-card);
            background: var(--glass);
            border: 1px solid var(--stroke);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            background: var(--glass-strong);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(24, 183, 213, 0.25);
            transform: translateY(-3px);
        }

        .content-card .card-img {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
        }

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

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

        .card-img .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(7, 11, 21, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }

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

        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-low);
            margin-bottom: 10px;
        }

        .card-body h4 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-body p {
            font-size: 13px;
            color: var(--text-md);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .card-footer .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .card-footer .card-link svg {
            width: 14px;
            height: 14px;
            transition: transform 0.3s ease;
        }

        .card-footer .card-link:hover svg {
            transform: translateX(3px);
        }

        .card-footer .card-time {
            font-size: 12px;
            color: var(--text-low);
        }

        /* Highlight Panel */
        .highlight-section {
            padding: 64px 0;
            position: relative;
        }

        .highlight-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.14;
            z-index: 0;
        }

        .highlight-section .container {
            position: relative;
            z-index: 1;
        }

        .section-head {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-head .section-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            letter-spacing: -0.4px;
            line-height: 1.2;
        }

        .section-head .section-desc {
            font-size: 15px;
            color: var(--text-md);
            max-width: 380px;
            line-height: 1.7;
            margin-top: 10px;
        }

        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .highlight-card {
            border-radius: var(--radius-card);
            background: var(--glass);
            backdrop-filter: blur(14px);
            border: 1px solid var(--stroke);
            padding: 28px 24px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .highlight-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0.4;
        }

        .highlight-card:hover {
            background: var(--glass-strong);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(24, 183, 213, 0.20);
            transform: translateY(-3px);
        }

        .highlight-card .hc-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.25), rgba(58, 123, 255, 0.20));
            border: 1px solid rgba(24, 183, 213, 0.30);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .highlight-card .hc-icon svg {
            width: 22px;
            height: 22px;
            color: #7FE4F5;
        }

        .highlight-card h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .highlight-card p {
            font-size: 13px;
            color: var(--text-md);
            line-height: 1.65;
        }

        /* Feature Section */
        .feature-section {
            padding: 60px 0;
        }

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

        .feature-panel {
            border-radius: var(--radius-card);
            background: linear-gradient(145deg, rgba(12, 19, 34, 0.90), rgba(7, 11, 21, 0.80));
            border: 1px solid var(--stroke);
            padding: 32px 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-panel:hover {
            border-color: rgba(24, 183, 213, 0.35);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(24, 183, 213, 0.15);
            transform: translateY(-3px);
        }

        .feature-panel .fp-num {
            font-size: 38px;
            font-weight: 800;
            background: linear-gradient(135deg, #18B7D5, #3A7BFF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-variant-numeric: tabular-nums;
            margin-bottom: 10px;
            line-height: 1;
            letter-spacing: -1px;
        }

        .feature-panel h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .feature-panel p {
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.7;
        }

        /* FAQ Section */
        .faq-section {
            padding: 64px 0 80px;
        }

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

        .faq-item {
            border-radius: var(--radius-card);
            background: var(--glass);
            backdrop-filter: blur(14px);
            border: 1px solid var(--stroke);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(24, 183, 213, 0.25);
        }

        .faq-item summary {
            padding: 22px 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            list-style: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            transition: color 0.25s ease;
        }

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

        .faq-item summary:hover {
            color: #7FE4F5;
        }

        .faq-item summary .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(24, 183, 213, 0.15);
            border: 1px solid rgba(24, 183, 213, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item summary .faq-icon svg {
            width: 14px;
            height: 14px;
            color: #7FE4F5;
        }

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

        .faq-item[open] {
            border-color: rgba(24, 183, 213, 0.30);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.30);
        }

        .faq-item .faq-body {
            padding: 0 26px 22px;
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.8;
        }

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-box {
            border-radius: 22px;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            position: relative;
            padding: 68px 60px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 11, 21, 0.88), rgba(12, 19, 34, 0.75));
            z-index: 1;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

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

        .cta-left h2 {
            font-size: clamp(26px, 3.4vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.4px;
        }

        .cta-left p {
            font-size: 15px;
            color: var(--text-md);
            line-height: 1.75;
            max-width: 480px;
        }

        .cta-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-accent {
            background: var(--accent);
            color: #101820;
            font-weight: 700;
            box-shadow: 0 0 30px rgba(154, 245, 62, 0.35);
        }

        .btn-accent:hover {
            filter: brightness(1.08);
            box-shadow: 0 0 40px rgba(154, 245, 62, 0.5);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: #050A12;
            border-top: 1px solid transparent;
            position: relative;
            padding: 64px 0 0;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(24, 183, 213, 0.4), transparent);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.75;
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-md);
            transition: color 0.25s ease;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-md);
            margin-bottom: 12px;
        }

        .footer-contact-item svg {
            width: 16px;
            height: 16px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-low);
        }

        .footer-bottom span {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.18);
        }

        /* Drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: rgba(7, 11, 21, 0.98);
            backdrop-filter: blur(20px);
            z-index: 200;
            padding: 30px 24px;
            transition: right 0.35s ease;
            border-left: 1px solid var(--stroke);
            display: flex;
            flex-direction: column;
        }

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

        .drawer-mask {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 190;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.35s ease;
        }

        .drawer-mask.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer-close {
            align-self: flex-end;
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: 10px;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-hi);
            margin-bottom: 24px;
        }

        .drawer-close svg {
            width: 18px;
            height: 18px;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .drawer-nav a {
            padding: 13px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-md);
            transition: all 0.25s ease;
        }

        .drawer-nav a:hover {
            background: rgba(24, 183, 213, 0.10);
            color: var(--text-hi);
        }

        .drawer-nav a.active {
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.85), rgba(58, 123, 255, 0.65));
            color: #fff;
        }

        .drawer-footer {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .drawer-footer .btn {
            flex: 1;
        }

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

            .nav-link {
                padding: 8px 14px;
                font-size: 13px;
            }

            .header-search {
                width: 150px;
            }

            .header-search:focus-within {
                width: 180px;
            }

            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

        @media (max-width: 768px) {
            .header-actions .header-search,
            .header-actions .btn-ghost,
            .header-actions .btn-primary {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .nav-channels {
                display: none;
            }

            .header-inner {
                gap: 12px;
            }

            .category-hero {
                padding: 150px 0 70px;
            }

            .feature-card-large {
                grid-template-columns: 1fr;
            }

            .feature-card-large .fc-img {
                min-height: 220px;
                max-height: 260px;
            }

            .fc-body {
                padding: 28px 26px;
            }

            .container {
                width: 94%;
            }

            .cta-box {
                padding: 48px 28px;
            }
        }

        @media (max-width: 640px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }

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

            .feature-wrap {
                grid-template-columns: 1fr;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }

            .category-stats {
                gap: 24px;
                margin-top: 28px;
            }

            .category-stats-item .cat-stat-num {
                font-size: 26px;
            }

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

            .filter-sort {
                width: 100%;
            }

            .filter-sort select {
                flex: 1;
            }

            .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-right {
                width: 100%;
            }

            .cta-right .btn {
                flex: 1;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #070B15;
            --bg-elev: #0C1322;
            --glass: rgba(255,255,255,0.045);
            --glass-strong: rgba(255,255,255,0.08);
            --stroke: rgba(255,255,255,0.10);
            --primary: #18B7D5;
            --primary-2: #3A7BFF;
            --accent: #9AF53E;
            --warning: #FFB454;
            --text-hi: #F1F5F9;
            --text-md: #A0AEC0;
            --text-low: #64748B;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.25);
            --shadow-hover: 0 8px 32px rgba(0,0,0,0.35), 0 0 0 1px rgba(24,183,213,0.25);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            background: var(--bg-deep);
            color: var(--text-hi);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select {
            font: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: min(1200px, 100% - 48px);
            margin-inline: auto;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            height: 68px;
            display: flex;
            align-items: center;
            background: transparent;
            border-bottom: 1px solid transparent;
            transition: background .3s, border-color .3s, box-shadow .3s;
        }

        .site-header.scrolled {
            background: rgba(7, 11, 21, 0.78);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom-color: rgba(255, 255, 255, 0.06);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 22px;
            width: 100%;
        }

        .logo-wrap {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            display: grid;
            place-items: center;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.28), rgba(58, 123, 255, 0.22));
            border: 1px solid rgba(24, 183, 213, 0.35);
            color: #fff;
        }

        .logo-mark svg {
            width: 20px;
            height: 20px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-inline: auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 999px;
            font-size: 14px;
            color: var(--text-md);
            white-space: nowrap;
            transition: color .2s, background .2s;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.25), rgba(58, 123, 255, 0.18));
            box-shadow: inset 0 0 0 1px rgba(24, 183, 213, 0.30);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-box {
            position: relative;
        }

        .search-box svg {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            width: 15px;
            height: 15px;
            color: var(--text-low);
            pointer-events: none;
        }

        .search-input {
            width: 180px;
            height: 38px;
            padding: 0 12px 0 36px;
            background: #0B1220;
            border: 1px solid #1E2A3A;
            border-radius: 10px;
            font-size: 13px;
            color: var(--text-hi);
            transition: width .3s, border-color .3s, box-shadow .3s;
        }

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

        .search-input:focus {
            width: 220px;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(24, 183, 213, 0.16);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            white-space: nowrap;
            transition: all .25s;
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, #18B7D5, #3A7BFF);
            color: #fff;
            box-shadow: 0 0 24px rgba(24, 183, 213, 0.28);
        }

        .btn-primary:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(24, 183, 213, 0.5);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 20px rgba(24, 183, 213, 0.3);
        }

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

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #E2E8F0;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-2px);
        }

        .btn-ghost {
            color: var(--text-md);
            padding: 8px 14px;
        }

        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-burger {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            place-items: center;
            color: var(--text-hi);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            z-index: 49;
            background: rgba(7, 11, 21, 0.96);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-direction: column;
            padding: 12px 24px 20px;
        }

        .mobile-drawer.open {
            display: flex;
        }

        .drawer-link {
            padding: 12px 10px;
            font-size: 15px;
            color: var(--text-md);
            border-radius: 10px;
            transition: background .2s, color .2s;
        }

        .drawer-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .drawer-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.22), rgba(58, 123, 255, 0.14));
        }

        /* ===== Hero ===== */
        .hero-welfare {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            padding: 96px 0 80px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(7, 11, 21, 0.95) 15%, rgba(7, 11, 21, 0.72) 45%, rgba(7, 11, 21, 0.40) 100%),
                radial-gradient(ellipse at top left, rgba(24, 183, 213, 0.16), transparent 55%);
        }

        .hero-grid-bg {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 56px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(24, 183, 213, 0.10);
            border: 1px solid rgba(24, 183, 213, 0.28);
            color: #5FD8F2;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: clamp(34px, 4.5vw, 52px);
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }

        .hero-sub {
            font-size: 16px;
            color: var(--text-md);
            max-width: 560px;
            margin-bottom: 28px;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .hero-points span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-md);
        }

        .hero-points span::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(154, 245, 62, 0.5);
        }

        .hero-panel {
            padding: 28px;
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.05);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            box-shadow: var(--shadow-card);
        }

        @supports not (backdrop-filter: blur(1px)) {
            .hero-panel {
                background: #0C1322;
            }
        }

        .panel-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .panel-title span:last-child {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-low);
        }

        .panel-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
            margin-bottom: 22px;
        }

        .panel-item {
            border: 1px solid var(--stroke);
            border-radius: 14px;
            padding: 16px;
            background: rgba(255, 255, 255, 0.03);
            transition: border-color .25s, background .25s;
        }

        .panel-item:hover {
            border-color: rgba(24, 183, 213, 0.25);
        }

        .panel-label {
            display: block;
            font-size: 12px;
            color: var(--text-low);
            margin-bottom: 6px;
        }

        .panel-value {
            font-family: 'DIN Alternate', 'Inter', sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .panel-value small {
            font-size: 13px;
            color: var(--text-low);
            font-weight: 500;
            margin-left: 2px;
        }

        .panel-progress {
            padding: 16px;
            background: rgba(7, 11, 21, 0.4);
            border-radius: 14px;
            border: 1px solid var(--stroke);
            margin-bottom: 18px;
        }

        .progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-md);
            margin-bottom: 10px;
        }

        .progress-track {
            height: 8px;
            border-radius: 999px;
            background: #1E2A3A;
            overflow: hidden;
        }

        .progress-bar {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, #18B7D5, #3A7BFF);
            box-shadow: 0 0 12px rgba(24, 183, 213, 0.4);
        }

        .panel-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 12px;
            background: rgba(24, 183, 213, 0.08);
            color: #8BE4F5;
            border: 1px solid rgba(24, 183, 213, 0.18);
        }

        /* ===== Section ===== */
        .site-section {
            padding: 76px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 44px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            letter-spacing: -0.4px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title::before {
            content: "";
            width: 4px;
            height: 22px;
            border-radius: 999px;
            background: linear-gradient(180deg, #18B7D5, #3A7BFF);
            box-shadow: 0 0 12px rgba(24, 183, 213, 0.4);
            flex-shrink: 0;
        }

        .section-sub {
            color: var(--text-md);
            max-width: 680px;
            margin-top: 8px;
            font-size: 14px;
        }

        .section-more {
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            transition: color .2s;
        }

        .section-more:hover {
            color: #5FD8F2;
        }

        .section-more svg {
            width: 14px;
            height: 14px;
        }

        /* ===== Metrics ===== */
        .metrics-section {
            padding-bottom: 76px;
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.09);
            box-shadow: var(--shadow-card);
            padding: 24px 22px;
            position: relative;
            transition: box-shadow .25s, transform .25s;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .metric-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: grid;
            place-items: center;
            margin-bottom: 16px;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.20), rgba(58, 123, 255, 0.16));
            color: #8BE4F5;
            border: 1px solid rgba(24, 183, 213, 0.22);
        }

        .metric-icon svg {
            width: 20px;
            height: 20px;
        }

        .metric-num {
            font-size: 30px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .metric-num small {
            font-size: 14px;
            color: var(--text-low);
            font-weight: 500;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-md);
        }

        .metric-trend {
            position: absolute;
            top: 24px;
            right: 22px;
            font-size: 12px;
            color: var(--accent);
        }

        /* ===== Benefits ===== */
        .benefit-section {
            background: var(--bg-elev);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .benefit-card {
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.04);
            padding: 26px 24px;
            transition: transform .3s, border-color .3s, background .3s, box-shadow .3s;
        }

        .benefit-card:nth-child(1),
        .benefit-card:nth-child(6) {
            grid-column: span 2;
        }

        .benefit-card:hover {
            transform: translateY(-4px);
            border-color: rgba(24, 183, 213, 0.35);
            background: rgba(255, 255, 255, 0.06);
            box-shadow: var(--shadow-hover);
        }

        .benefit-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: grid;
            place-items: center;
            margin-bottom: 18px;
            background: linear-gradient(135deg, rgba(24, 183, 213, 0.24), rgba(58, 123, 255, 0.16));
            border: 1px solid rgba(24, 183, 213, 0.25);
            color: #8BE4F5;
        }

        .benefit-icon svg {
            width: 22px;
            height: 22px;
        }

        .benefit-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .benefit-card p {
            font-size: 13px;
            color: var(--text-md);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .benefit-more {
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: color .2s;
        }

        .benefit-more:hover {
            color: #5FD8F2;
        }

        /* ===== Scenario ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-card {
            border-radius: 16px;
            padding: 28px 24px;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: border-color .25s, background .25s, transform .25s;
        }

        .scenario-card:hover {
            border-color: rgba(24, 183, 213, 0.30);
            background: rgba(24, 183, 213, 0.05);
            transform: translateY(-2px);
        }

        .scenario-num {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .scenario-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 13px;
            color: var(--text-md);
            line-height: 1.7;
        }

        /* ===== Flow ===== */
        .flow-section {
            background: var(--bg-elev);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-steps::before {
            content: "";
            position: absolute;
            top: 47px;
            left: 12%;
            right: 12%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(24, 183, 213, 0.35), rgba(58, 123, 255, 0.35), transparent);
            pointer-events: none;
        }

        .flow-step {
            text-align: center;
            padding: 26px 18px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            transition: border-color .25s, background .25s;
        }

        .flow-step:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(24, 183, 213, 0.3);
        }

        .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            font-size: 18px;
            font-weight: 700;
            color: #5FD8F2;
            background: rgba(24, 183, 213, 0.10);
            border: 1px solid rgba(24, 183, 213, 0.28);
            box-shadow: 0 0 14px rgba(24, 183, 213, 0.12);
        }

        .flow-step h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .flow-step p {
            font-size: 13px;
            color: var(--text-md);
            line-height: 1.7;
        }

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

        .feature-card {
            border-radius: 16px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: transform .3s, box-shadow .3s;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .feature-cover {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .feature-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }

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

        .feature-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            background: rgba(7, 11, 21, 0.7);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            color: #8BE4F5;
            border: 1px solid rgba(24, 183, 213, 0.3);
        }

        .feature-body {
            padding: 20px 22px 24px;
        }

        .feature-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .feature-body p {
            font-size: 13px;
            color: var(--text-md);
            margin-bottom: 14px;
            line-height: 1.7;
        }

        .feature-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-low);
        }

        .feature-meta a {
            color: var(--primary);
            font-weight: 600;
            transition: color .2s;
        }

        .feature-meta a:hover {
            color: #5FD8F2;
        }

        /* ===== FAQ ===== */
        .faq-section {
            max-width: 920px;
            margin-inline: auto;
            padding: 76px 0;
        }

        .faq-section .section-title {
            margin-bottom: 32px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }

        .faq-item {
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.08);
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
        }

        .faq-item.open {
            border-color: rgba(24, 183, 213, 0.35);
            box-shadow: 0 0 0 1px rgba(24, 183, 213, 0.15);
        }

        .faq-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            transition: background .2s;
        }

        .faq-head:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-head h3 {
            font-size: 15px;
            font-weight: 600;
            color: #E2E8F0;
        }

        .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform .3s, background .3s, border-color .3s;
        }

        .faq-toggle svg {
            width: 14px;
            height: 14px;
            color: var(--text-md);
            transition: color .3s;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(180deg);
            background: rgba(24, 183, 213, 0.12);
            border-color: rgba(24, 183, 213, 0.3);
        }

        .faq-item.open .faq-toggle svg {
            color: #8BE4F5;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

        .faq-body-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-md);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-wrap {
            position: relative;
            overflow: hidden;
            padding: 76px 0;
        }

        .cta-bg-attach {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }

        .cta-bg-attach::after {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(7, 11, 21, 0.82);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin-inline: auto;
            padding: 24px 0;
        }

        .cta-inner h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.4px;
        }

        .cta-inner p {
            color: var(--text-md);
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin-inline: auto;
        }

        .cta-form input {
            flex: 1;
            height: 48px;
            padding: 0 16px;
            border-radius: 10px;
            background: #0B1220;
            border: 1px solid #1E2A3A;
            color: var(--text-hi);
            transition: border-color .25s, box-shadow .25s;
        }

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

        .cta-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(24, 183, 213, 0.15);
        }

        .cta-note {
            margin-top: 16px;
            font-size: 12px;
            color: var(--text-low);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #050A12;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 56px 0 0;
        }

        .footer-divider {
            height: 1px;
            margin-bottom: 48px;
            background: linear-gradient(90deg, transparent, rgba(24, 183, 213, 0.4), transparent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.9fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-low);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #E2E8F0;
            margin-bottom: 18px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-md);
            transition: color .2s;
        }

        .footer-links a:hover {
            color: #8BE4F5;
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-md);
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .footer-contact-item svg {
            width: 16px;
            height: 16px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-low);
        }

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

            .nav-burger {
                display: grid;
            }

            .header-actions .search-box {
                display: none;
            }

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

            .hero-content {
                grid-template-columns: 1fr;
            }

            .hero-panel {
                max-width: 560px;
            }

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

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

            .benefit-card:nth-child(1),
            .benefit-card:nth-child(6) {
                grid-column: span 2;
            }

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

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

            .flow-steps::before {
                display: none;
            }

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

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

        @media (max-width: 640px) {
            .container {
                width: calc(100% - 32px);
            }

            .hero-welfare {
                padding: 56px 0 48px;
                min-height: 540px;
            }

            .hero-title {
                font-size: 32px;
            }

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

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

            .hero-points {
                gap: 14px;
            }

            .hero-points span {
                font-size: 12px;
            }

            .hero-panel {
                padding: 20px;
            }

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

            .metric-card {
                padding: 18px 16px;
            }

            .metric-num {
                font-size: 24px;
            }

            .metric-trend {
                top: auto;
                bottom: 18px;
                right: 16px;
            }

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

            .benefit-card:nth-child(1),
            .benefit-card:nth-child(6) {
                grid-column: span 1;
            }

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

            .flow-steps {
                grid-template-columns: 1fr;
            }

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

            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-form {
                flex-direction: column;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

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

            .drawer-actions .btn-primary {
                display: inline-flex;
            }
        }