/* roulang page: index */
:root {
            --bg-global: #0A0E14;
            --bg-card: #0D1522;
            --bg-card-hover: #111C2C;
            --bg-section-alt: #0C1420;
            --primary: #2EA8FF;
            --secondary: #6FD6FF;
            --accent: #7B5CFF;
            --text-title: #F2F6FC;
            --text-body: #C6D2E0;
            --text-muted: #8293A6;
            --border-light: rgba(255,255,255,0.08);
            --border-glass: rgba(255,255,255,0.06);
            --glow-blue: rgba(46,168,255,0.55);
            --glow-blue-strong: rgba(46,168,255,0.8);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
            --font-mono: "SF Mono","Fira Code",monospace;
            --transition-base: all 0.25s ease;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-hover: 0 12px 30px rgba(46,168,255,0.12);
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background: var(--bg-global);
            overflow-x: hidden;
        }

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

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

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

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10,14,20,0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 0 0;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10,14,20,0.96);
            box-shadow: 0 4px 24px rgba(0,0,0,0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 24px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: nowrap;
            position: relative;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 0 14px var(--glow-blue);
        }

        .logo-text {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 200px;
        }

        @media (max-width: 520px) {
            .logo-text {
                max-width: 120px;
                font-size: 14px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
        }

        .nav-chips-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 1;
            min-width: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-chips-desktop::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            white-space: nowrap;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .nav-chip:hover {
            background: rgba(255,255,255,0.08);
            color: var(--text-title);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .nav-chip.active {
            color: #fff;
            background: rgba(46,168,255,0.18);
            border-color: var(--primary);
            box-shadow: 0 0 16px var(--glow-blue);
        }
        .nav-chip .chip-icon {
            font-size: 13px;
            opacity: 0.75;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #1e8adf);
            border: none;
            cursor: pointer;
            box-shadow: 0 0 18px var(--glow-blue);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px var(--glow-blue-strong);
            color: #fff;
        }
        .btn-glow:active {
            transform: scale(0.98);
        }
        .btn-glow .btn-arrow {
            font-size: 12px;
            transition: var(--transition-base);
        }
        .btn-glow:hover .btn-arrow {
            transform: translateX(3px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-title);
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(255,255,255,0.35);
            transform: translateY(-2px);
            color: var(--text-title);
        }

        /* Mobile menu toggle */
        .nav-toggle {
            display: none;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--text-title);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: rgba(255,255,255,0.12);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 290px;
            height: 100vh;
            background: #0D1522;
            border-left: 1px solid var(--border-light);
            z-index: 200;
            padding: 80px 24px 40px;
            transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-glass);
            color: var(--text-title);
            font-size: 16px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-drawer .nav-chip {
            display: flex;
            width: 100%;
            margin-bottom: 10px;
            justify-content: flex-start;
            padding: 12px 18px;
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 150;
            opacity: 0;
            transition: opacity 0.3s;
        }
        .drawer-overlay.show {
            opacity: 1;
        }

        @media (max-width: 900px) {
            .nav-chips-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-drawer, .drawer-overlay {
                display: block;
            }
            .logo-text {
                max-width: 180px;
            }
        }

        /* ===== Hero ===== */
        .hero-full {
            position: relative;
            min-height: calc(100vh - 64px);
            display: flex;
            align-items: center;
            background: var(--bg-global);
            overflow: hidden;
            padding: 80px 0 100px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/ff27aeae2db3d0d2.jpg') center/cover no-repeat;
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(10,14,20,0.72) 0%, rgba(10,14,20,0.65) 50%, rgba(10,14,20,0.9) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--secondary);
            background: rgba(46,168,255,0.12);
            border: 1px solid rgba(46,168,255,0.25);
            margin-bottom: 24px;
        }
        .hero-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 8px var(--primary);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }

        .hero-title {
            font-size: clamp(28px, 4.5vw, 50px);
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
            text-shadow: 0 4px 24px rgba(0,0,0,0.4);
        }
        .hero-title .highlight {
            color: var(--primary);
            text-shadow: 0 0 24px var(--glow-blue);
        }

        .hero-subtitle {
            font-size: clamp(16px, 1.5vw, 19px);
            line-height: 1.8;
            color: rgba(242,246,252,0.82);
            max-width: 680px;
            margin-bottom: 32px;
        }

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

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 14px;
        }
        .hero-stat-item strong {
            color: var(--text-title);
            font-size: 18px;
            font-weight: 700;
        }
        .hero-stat-item .stat-sep {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 80px 0;
            position: relative;
        }
        .section-block.alt-bg {
            background: var(--bg-section-alt);
            border-top: 1px solid rgba(255,255,255,0.04);
            border-bottom: 1px solid rgba(255,255,255,0.04);
        }
        .section-block.no-top-pad {
            padding-top: 30px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-eyebrow .eyebrow-line {
            width: 24px;
            height: 1px;
            background: var(--primary);
        }

        .section-title {
            font-size: clamp(24px, 2.5vw, 32px);
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-title);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            max-width: 720px;
            margin-bottom: 36px;
        }

        /* ===== Glass Card ===== */
        .glass-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            height: 100%;
        }
        .glass-card:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .card-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(46,168,255,0.2), rgba(123,92,255,0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--secondary);
            margin-bottom: 16px;
            flex-shrink: 0;
            border: 1px solid rgba(46,168,255,0.2);
        }
        .card-title-sm {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-text-sm {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
        }

        /* ===== Feature Grid ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        @media (max-width: 1023px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 767px) {
            .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
            .section-block { padding: 48px 0; }
        }

        /* ===== Scenario Cards ===== */
        .scenario-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            transition: var(--transition-base);
            height: 100%;
        }
        .scenario-card:hover {
            border-color: rgba(46,168,255,0.35);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .scenario-img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.05);
        }
        .scenario-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 50%, rgba(13,21,34,0.85) 100%);
        }
        .scenario-body {
            padding: 18px 22px 22px;
        }
        .scenario-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 6px;
        }
        .scenario-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* ===== Mockup / Preview ===== */
        .mockup-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .mockup-card {
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .mockup-card:hover {
            border-color: rgba(46,168,255,0.3);
            box-shadow: var(--shadow-hover);
        }
        .mockup-screen {
            position: relative;
            aspect-ratio: 16/9;
            background: #0A0E14;
            overflow: hidden;
        }
        .mockup-screen img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .mockup-screen::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 40%, rgba(10,14,20,0.7) 100%);
        }
        .mockup-info {
            padding: 16px 20px 20px;
        }
        .mockup-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 4px;
        }
        .mockup-text {
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 767px) {
            .mockup-grid { grid-template-columns: 1fr; }
        }
        @media (min-width: 768px) and (max-width: 1023px) {
            .mockup-grid { grid-template-columns: repeat(2, 1fr); }
        }

        /* ===== Stats ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .stat-block {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition-base);
        }
        .stat-block:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.25);
        }
        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            text-shadow: 0 0 16px var(--glow-blue);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (max-width: 1023px) {
            .stats-row { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 520px) {
            .stats-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .stat-number { font-size: 24px; }
        }

        /* ===== Pricing ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .price-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: var(--transition-base);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .price-card:hover {
            background: rgba(255,255,255,0.06);
            transform: translateY(-4px);
        }
        .price-card.featured {
            border-color: var(--primary);
            box-shadow: 0 0 28px var(--glow-blue);
            background: rgba(46,168,255,0.08);
        }
        .price-card.featured .price-tag-featured {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .price-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 12px;
        }
        .price-amount {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .price-amount .price-unit {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-muted);
        }
        .price-desc {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 20px;
        }
        .price-feature-list {
            list-style: none;
            margin-bottom: 24px;
            flex: 1;
        }
        .price-feature-list li {
            font-size: 14px;
            color: var(--text-body);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .price-feature-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 6px var(--primary);
            flex-shrink: 0;
        }
        .price-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
            background: rgba(255,255,255,0.08);
            color: var(--text-title);
            width: 100%;
        }
        .price-btn:hover {
            background: rgba(255,255,255,0.14);
            transform: translateY(-2px);
        }
        .price-card.featured .price-btn {
            background: linear-gradient(135deg, var(--primary), #1e8adf);
            color: #fff;
            box-shadow: 0 0 16px var(--glow-blue);
        }
        .price-card.featured .price-btn:hover {
            box-shadow: 0 0 26px var(--glow-blue-strong);
        }
        @media (max-width: 1023px) {
            .pricing-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 767px) {
            .pricing-grid { grid-template-columns: 1fr; }
        }

        /* ===== Reviews / Testimonials ===== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition-base);
            height: 100%;
        }
        .review-card:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.25);
            transform: translateY(-3px);
        }
        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .review-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            font-weight: 600;
            flex-shrink: 0;
        }
        .review-meta {
            flex: 1;
        }
        .review-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
        }
        .review-stars {
            font-size: 12px;
            color: #F5B84B;
            letter-spacing: 2px;
        }
        .review-text {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
        }

        @media (max-width: 1023px) {
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 767px) {
            .reviews-grid { grid-template-columns: 1fr; }
        }

        /* ===== Reputation / Word of Mouth ===== */
        .reputation-wrap {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 32px;
            align-items: start;
        }
        .reputation-score {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 28px;
            text-align: center;
        }
        .reputation-score .score-big {
            font-size: 56px;
            font-weight: 700;
            color: #fff;
            line-height: 1;
            text-shadow: 0 0 24px var(--glow-blue);
        }
        .reputation-score .score-stars {
            font-size: 18px;
            color: #F5B84B;
            letter-spacing: 4px;
            margin: 8px 0;
        }
        .reputation-score .score-desc {
            font-size: 14px;
            color: var(--text-muted);
        }
        .reputation-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .rep-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-body);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            transition: var(--transition-base);
        }
        .rep-tag:hover {
            background: rgba(46,168,255,0.1);
            border-color: rgba(46,168,255,0.3);
            color: var(--secondary);
        }
        @media (max-width: 767px) {
            .reputation-wrap { grid-template-columns: 1fr; }
        }

        /* ===== CMS List / News ===== */
        .cms-list-wrap {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }
        .cms-main-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .cms-item-card {
            display: flex;
            gap: 16px;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 14px;
            transition: var(--transition-base);
            text-decoration: none;
            color: inherit;
        }
        .cms-item-card:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            color: inherit;
        }
        .cms-item-thumb {
            width: 140px;
            min-width: 140px;
            height: 88px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .cms-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cms-item-body {
            flex: 1;
            min-width: 0;
        }
        .cms-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 4px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cms-item-summary {
            font-size: 13px;
            color: var(--text-body);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }
        .cms-item-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cms-item-meta .meta-chip {
            padding: 2px 10px;
            border-radius: 999px;
            background: rgba(46,168,255,0.12);
            color: var(--secondary);
            font-size: 11px;
        }
        .cms-side-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .cms-side-card {
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 16px;
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        .cms-side-card:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.25);
            color: inherit;
            transform: translateY(-2px);
        }
        .cms-side-card .side-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 4px;
            line-height: 1.45;
        }
        .cms-side-card .side-time {
            font-size: 12px;
            color: var(--text-muted);
        }
        .cms-empty {
            padding: 40px;
            text-align: center;
            color: var(--text-muted);
            background: rgba(255,255,255,0.03);
            border: 1px dashed var(--border-glass);
            border-radius: var(--radius-md);
            font-size: 15px;
        }

        @media (max-width: 900px) {
            .cms-list-wrap { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .cms-item-card { flex-direction: column; }
            .cms-item-thumb { width: 100%; min-width: 100%; height: 160px; }
        }

        /* ===== CTA Area ===== */
        .cta-panel {
            background: linear-gradient(135deg, rgba(46,168,255,0.12), rgba(123,92,255,0.1)), var(--bg-card);
            border: 1px solid rgba(46,168,255,0.25);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
            box-shadow: 0 0 32px rgba(46,168,255,0.12);
        }
        .cta-panel .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-panel .cta-desc {
            font-size: 16px;
            color: var(--text-body);
            max-width: 520px;
            margin: 0 auto 24px;
        }

        /* ===== Category Entry ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .category-entry-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 22px;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        .category-entry-card:hover {
            background: rgba(255,255,255,0.07);
            border-color: var(--primary);
            color: inherit;
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .category-entry-card .cat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(46,168,255,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--secondary);
            flex-shrink: 0;
        }
        .category-entry-card .cat-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
        }
        .category-entry-card .cat-count {
            font-size: 12px;
            color: var(--text-muted);
        }
        @media (max-width: 1023px) {
            .category-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .category-grid { grid-template-columns: 1fr; }
        }

        /* ===== Ranking ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .ranking-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        .ranking-row:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.3);
            color: inherit;
            transform: translateX(3px);
        }
        .ranking-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--secondary);
            flex-shrink: 0;
        }
        .ranking-num.top1, .ranking-num.top2, .ranking-num.top3 {
            background: rgba(46,168,255,0.15);
            color: #fff;
            box-shadow: 0 0 12px var(--glow-blue);
        }
        .ranking-num.top1 {
            background: linear-gradient(135deg, #F5B84B, #F59E0B);
            box-shadow: 0 0 14px rgba(245,184,75,0.5);
        }
        .ranking-num.top2 {
            background: linear-gradient(135deg, #C0C8D0, #8A96A5);
            box-shadow: 0 0 12px rgba(192,200,208,0.35);
        }
        .ranking-num.top3 {
            background: linear-gradient(135deg, #D47B5A, #B3623E);
            box-shadow: 0 0 12px rgba(212,123,90,0.4);
        }
        .ranking-thumb {
            width: 56px;
            height: 56px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .ranking-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-heat {
            font-size: 12px;
            color: var(--text-muted);
        }
        .ranking-arrow {
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .ranking-row:hover .ranking-arrow {
            color: var(--primary);
            transform: translateX(3px);
        }

        /* ===== Device ===== */
        .devices-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .device-block {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition-base);
        }
        .device-block:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.25);
            transform: translateY(-3px);
        }
        .device-icon {
            font-size: 32px;
            color: var(--secondary);
            margin-bottom: 10px;
            text-shadow: 0 0 14px rgba(111,214,255,0.3);
        }
        .device-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 4px;
        }
        .device-text {
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (max-width: 1023px) {
            .devices-wrap { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .devices-wrap { grid-template-columns: 1fr 1fr; gap: 12px; }
        }

        /* ===== Topic Nav ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .topic-link-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        .topic-link-card:hover {
            background: rgba(255,255,255,0.07);
            border-color: var(--primary);
            color: inherit;
            transform: translateY(-2px);
        }
        .topic-link-card .topic-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
        }
        .topic-link-card .topic-arrow {
            color: var(--text-muted);
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .topic-link-card:hover .topic-arrow {
            color: var(--primary);
            transform: translateX(3px);
        }
        @media (max-width: 767px) {
            .topic-grid { grid-template-columns: 1fr; }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(46,168,255,0.2);
        }
        .faq-item.active {
            background: rgba(255,255,255,0.05);
            border-color: rgba(46,168,255,0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            transition: var(--transition-base);
            user-select: none;
        }
        .faq-question .faq-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(46,168,255,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 12px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: rgba(46,168,255,0.25);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }
        .faq-answer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
            margin: 0;
        }

        /* ===== Brand Data ===== */
        .brand-data-strip {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            padding: 32px 28px;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
        }
        .brand-data-item {
            text-align: center;
            flex: 1;
            min-width: 130px;
        }
        .brand-data-item .bd-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            text-shadow: 0 0 14px var(--glow-blue);
        }
        .brand-data-item .bd-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .brand-data-divider {
            width: 1px;
            height: 40px;
            background: var(--border-glass);
            flex-shrink: 0;
        }
        @media (max-width: 767px) {
            .brand-data-strip { flex-direction: column; }
            .brand-data-divider { display: none; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080C12;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 14px;
            border-radius: 8px;
        }
        .footer-brand .footer-logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
        }
        .footer-brand .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-bottom .copyright {
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--secondary);
        }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .text-left { text-align: left; }
        .mb-0 { margin-bottom: 0 !important; }
        .mt-0 { margin-top: 0 !important; }
        .w-full { width: 100%; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .gap-8 { gap: 8px; }
        .gap-12 { gap: 12px; }
        .gap-16 { gap: 16px; }
        .gap-24 { gap: 24px; }
        .flex-wrap { flex-wrap: wrap; }

        /* Foundation overrides */
        .top-bar, .top-bar ul, .dropdown.menu .is-dropdown-submenu-parent > a {
            background: transparent;
        }
        .menu > li > a {
            color: var(--text-body);
        }
        .menu > li > a:hover {
            color: var(--text-title);
        }
        .button {
            border-radius: 999px;
            font-family: var(--font-sans);
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #0A0E14;
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(46,168,255,0.3);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(46,168,255,0.5);
        }

/* roulang page: article */
:root {
            --bg-global: #0A0E14;
            --bg-card: #0D1522;
            --bg-card-hover: #111C2C;
            --bg-section-alt: #0C1420;
            --bg-article: #0E1724;
            --primary: #2EA8FF;
            --secondary: #6FD6FF;
            --accent: #7B5CFF;
            --text-title: #F2F6FC;
            --text-body: #C6D2E0;
            --text-muted: #8293A6;
            --border-light: rgba(255,255,255,0.08);
            --border-glass: rgba(255,255,255,0.06);
            --glow-blue: rgba(46,168,255,0.55);
            --glow-blue-strong: rgba(46,168,255,0.8);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
            --font-mono: "SF Mono","Fira Code",monospace;
            --transition-base: all 0.25s ease;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-hover: 0 12px 30px rgba(46,168,255,0.12);
        }
        
        /* Reset & Base */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background: var(--bg-global);
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10,14,20,0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(10,14,20,0.96);
            box-shadow: 0 4px 24px rgba(0,0,0,0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 24px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: nowrap;
            position: relative;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 0 14px var(--glow-blue);
        }
        .logo-text {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 200px;
        }
        .nav-chips-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 1;
            min-width: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-chips-desktop::-webkit-scrollbar { display: none; }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            white-space: nowrap;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .nav-chip:hover {
            background: rgba(255,255,255,0.08);
            color: var(--text-title);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .nav-chip.active {
            color: #fff;
            background: rgba(46,168,255,0.18);
            border-color: var(--primary);
            box-shadow: 0 0 16px var(--glow-blue);
        }
        .nav-chip .chip-icon {
            font-size: 13px;
            opacity: 0.75;
        }
        .header-cta { flex-shrink: 0; }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #1e8adf);
            border: none;
            cursor: pointer;
            box-shadow: 0 0 18px var(--glow-blue);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px var(--glow-blue-strong);
            color: #fff;
        }
        .btn-glow:active { transform: scale(0.98); }
        .btn-glow .btn-arrow { font-size: 13px; }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-body);
            font-size: 22px;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }
        .nav-toggle:hover { color: var(--text-title); background: rgba(255,255,255,0.06); }
        
        /* Mobile Drawer */
        .nav-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: rgba(13,21,34,0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 200;
            padding: 72px 20px 24px;
            transition: right 0.3s ease;
            overflow-y: auto;
            border-left: 1px solid var(--border-light);
        }
        .nav-drawer.open { right: 0; }
        .nav-drawer .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            color: var(--text-body);
            font-size: 24px;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .nav-drawer .drawer-close:hover { color: var(--text-title); }
        .nav-drawer .drawer-chip {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            color: var(--text-body);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            margin-bottom: 10px;
            transition: var(--transition-base);
            font-size: 15px;
            font-weight: 500;
        }
        .nav-drawer .drawer-chip:hover {
            background: rgba(255,255,255,0.08);
            color: var(--text-title);
            transform: translateX(4px);
        }
        .nav-drawer .drawer-chip.active {
            color: #fff;
            background: rgba(46,168,255,0.18);
            border-color: var(--primary);
            box-shadow: 0 0 16px var(--glow-blue);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 150;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.active {
            display: block;
            opacity: 1;
        }
        
        /* ===== Breadcrumbs ===== */
        .breadcrumb-area {
            padding: 20px 0 0;
            background: transparent;
        }
        .breadcrumbs-list {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumbs-list li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumbs-list li:not(:last-child)::after {
            content: '/';
            color: var(--text-muted);
            opacity: 0.5;
            margin-left: 8px;
        }
        .breadcrumbs-list a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .breadcrumbs-list a:hover { color: var(--primary); }
        .breadcrumbs-list .current {
            color: var(--secondary);
            font-weight: 500;
        }
        
        /* ===== Article Hero / Title Area ===== */
        .article-hero {
            padding: 36px 0 28px;
            background: var(--bg-global);
        }
        .article-hero .article-card {
            background: linear-gradient(135deg, rgba(46,168,255,0.08), rgba(123,92,255,0.06));
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .article-hero .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .article-meta-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 16px;
        }
        .article-meta-row .article-category {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--secondary);
            background: rgba(111,214,255,0.1);
            border: 1px solid rgba(111,214,255,0.25);
        }
        .article-meta-row .article-date {
            color: var(--text-muted);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-row .article-views {
            color: var(--text-muted);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero h1 {
            color: var(--text-title);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .article-hero .article-summary {
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            max-width: 760px;
        }
        
        /* ===== Article Body ===== */
        .article-body-section {
            padding: 24px 0 48px;
            background: var(--bg-global);
        }
        .article-body-wrapper {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 280px;
            gap: 40px;
            align-items: start;
        }
        .article-content-card {
            background: var(--bg-article);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            box-shadow: var(--shadow-card);
            min-width: 0;
        }
        .article-content-card .prose {
            color: var(--text-body);
            font-size: 16px;
            line-height: 2.0;
            max-width: 720px;
            margin: 0 auto;
        }
        .article-content-card .prose h2 {
            color: var(--text-title);
            font-size: 24px;
            font-weight: 650;
            line-height: 1.4;
            margin: 36px 0 16px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border-light);
        }
        .article-content-card .prose h3 {
            color: var(--text-title);
            font-size: 19px;
            font-weight: 600;
            line-height: 1.45;
            margin: 28px 0 12px;
        }
        .article-content-card .prose p {
            margin-bottom: 16px;
        }
        .article-content-card .prose img {
            border-radius: var(--radius-md);
            margin: 24px auto;
            max-width: 100%;
            box-shadow: var(--shadow-card);
        }
        .article-content-card .prose blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            background: rgba(46,168,255,0.06);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-body);
            font-style: normal;
        }
        .article-content-card .prose ul, 
        .article-content-card .prose ol {
            margin: 16px 0 16px 24px;
        }
        .article-content-card .prose ul li,
        .article-content-card .prose ol li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .article-content-card .prose a {
            color: var(--secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content-card .prose a:hover {
            color: var(--primary);
        }
        .article-content-card .prose table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-content-card .prose table th,
        .article-content-card .prose table td {
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            text-align: left;
        }
        .article-content-card .prose table th {
            background: rgba(46,168,255,0.08);
            color: var(--text-title);
            font-weight: 600;
        }
        
        /* Article Sidebar */
        .article-sidebar {
            position: sticky;
            top: 80px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
        }
        .sidebar-card h3 {
            color: var(--text-title);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .toc-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .toc-list li a {
            display: block;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            color: var(--text-body);
            font-size: 13px;
            transition: var(--transition-base);
        }
        .toc-list li a:hover {
            background: rgba(46,168,255,0.08);
            color: var(--secondary);
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag {
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
        }
        
        /* ===== Tags / Share Row ===== */
        .article-tags-share {
            padding: 12px 0 32px;
            background: var(--bg-global);
        }
        .tags-share-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            max-width: 720px;
            margin: 0 auto;
            padding: 20px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
        }
        .tags-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .tags-list .tag-label {
            color: var(--text-muted);
            font-size: 13px;
        }
        .tags-list .tag {
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 12px;
            color: var(--secondary);
            background: rgba(111,214,255,0.1);
            border: 1px solid rgba(111,214,255,0.25);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .tags-list .tag:hover {
            background: rgba(111,214,255,0.2);
        }
        .share-icons {
            display: flex;
            gap: 10px;
        }
        .share-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            font-size: 14px;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .share-icon:hover {
            color: #fff;
            background: rgba(46,168,255,0.2);
            border-color: var(--primary);
            box-shadow: 0 0 12px var(--glow-blue);
        }
        
        /* ===== Related Articles ===== */
        .article-related {
            padding: 48px 0;
            background: var(--bg-section-alt);
        }
        .article-related .section-title {
            color: var(--text-title);
            font-size: 24px;
            font-weight: 650;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-related .section-title i {
            color: var(--primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            cursor: pointer;
            display: block;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46,168,255,0.3);
        }
        .related-card .related-thumb {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: var(--bg-card-hover);
        }
        .related-card .related-body {
            padding: 16px 20px;
        }
        .related-card .related-body h4 {
            color: var(--text-title);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .related-body .related-time {
            color: var(--text-muted);
            font-size: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        /* ===== Back / Nav ===== */
        .article-nav {
            padding: 20px 0 40px;
            background: var(--bg-global);
        }
        .article-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            max-width: 720px;
            margin: 0 auto;
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border: none;
            box-shadow: 0 0 14px var(--glow-blue);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 24px var(--glow-blue-strong);
            color: #fff;
        }
        .prev-next {
            display: flex;
            gap: 12px;
        }
        .btn-prev, .btn-next {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-body);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-prev:hover, .btn-next:hover {
            color: var(--text-title);
            border-color: var(--primary);
            box-shadow: 0 0 12px var(--glow-blue);
        }
        
        /* ===== Subscribe CTA ===== */
        .article-cta {
            padding: 48px 0 72px;
            background: var(--bg-global);
        }
        .cta-card {
            max-width: 720px;
            margin: 0 auto;
            background: linear-gradient(135deg, rgba(46,168,255,0.12), rgba(123,92,255,0.08));
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(46,168,255,0.25), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card h2 {
            color: var(--text-title);
            font-size: 24px;
            font-weight: 650;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            color: var(--text-body);
            font-size: 15px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 420px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .cta-form input {
            flex: 1;
            padding: 12px 20px;
            border-radius: 999px;
            border: 1px solid var(--border-light);
            background: rgba(255,255,255,0.04);
            color: var(--text-title);
            font-size: 14px;
            transition: var(--transition-base);
        }
        .cta-form input::placeholder { color: var(--text-muted); }
        .cta-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 12px rgba(46,168,255,0.3);
        }
        .cta-form .btn-glow { flex-shrink: 0; }
        
        /* ===== Not Found ===== */
        .article-not-found {
            padding: 80px 0;
            text-align: center;
        }
        .article-not-found .not-found-icon {
            font-size: 54px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .article-not-found h2 {
            color: var(--text-title);
            font-size: 24px;
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-body);
            margin-bottom: 24px;
        }
        
        /* ===== Footer ===== */
        .site-footer {
            background: #080C12;
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            flex-shrink: 0;
        }
        .footer-logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-col-title {
            color: var(--text-title);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }
        .copyright {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition-base);
        }
        .footer-links a:hover { color: var(--secondary); }
        
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-body-wrapper {
                grid-template-columns: minmax(0, 1fr);
                gap: 24px;
            }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-card {
                flex: 1;
                min-width: 240px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .nav-chips-desktop { display: none; }
            .nav-toggle { display: block; }
            .header-cta .btn-glow {
                padding: 8px 14px;
                font-size: 12px;
                gap: 4px;
            }
            .header-cta .btn-glow .btn-arrow { display: none; }
            .logo-text { max-width: 120px; font-size: 14px; }
            .logo-icon { width: 30px; height: 30px; font-size: 13px; }
            
            .article-hero .article-card {
                padding: 24px 20px;
            }
            .article-hero h1 {
                font-size: 24px;
            }
            .article-content-card {
                padding: 24px 20px;
            }
            .article-content-card .prose {
                font-size: 15px;
                line-height: 1.85;
            }
            .article-content-card .prose h2 {
                font-size: 20px;
            }
            .article-content-card .prose h3 {
                font-size: 17px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .tags-share-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form .btn-glow {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .article-hero .article-card {
                padding: 20px 16px;
            }
            .article-hero h1 {
                font-size: 21px;
            }
            .article-content-card {
                padding: 20px 16px;
            }
            .article-content-card .prose {
                font-size: 14px;
            }
            .article-content-card .prose h2 {
                font-size: 18px;
            }
            .article-content-card .prose blockquote {
                padding: 14px 16px;
                font-size: 14px;
            }
            .article-nav-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .prev-next {
                flex-wrap: wrap;
            }
            .header-inner {
                padding: 10px 16px;
                gap: 10px;
            }
            .header-cta .btn-glow {
                padding: 8px 10px;
                font-size: 11px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-global: #0A0E14;
            --bg-card: #0D1522;
            --bg-card-hover: #111C2C;
            --bg-section-alt: #0C1420;
            --primary: #2EA8FF;
            --secondary: #6FD6FF;
            --accent: #7B5CFF;
            --text-title: #F2F6FC;
            --text-body: #C6D2E0;
            --text-muted: #8293A6;
            --border-light: rgba(255,255,255,0.08);
            --border-glass: rgba(255,255,255,0.06);
            --glow-blue: rgba(46,168,255,0.55);
            --glow-blue-strong: rgba(46,168,255,0.8);
            --glow-accent: rgba(123,92,255,0.45);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
            --font-mono: "SF Mono","Fira Code",monospace;
            --transition-base: all 0.25s ease;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-hover: 0 12px 30px rgba(46,168,255,0.12);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background: var(--bg-global);
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10,14,20,0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(10,14,20,0.96);
            box-shadow: 0 4px 24px rgba(0,0,0,0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 24px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: nowrap;
            position: relative;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 0 14px var(--glow-blue);
        }
        .logo-text {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 200px;
        }
        .nav-chips-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 1;
            min-width: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-chips-desktop::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            white-space: nowrap;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .nav-chip:hover {
            background: rgba(255,255,255,0.08);
            color: var(--text-title);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .nav-chip.active {
            color: #fff;
            background: rgba(46,168,255,0.18);
            border-color: var(--primary);
            box-shadow: 0 0 16px var(--glow-blue);
        }
        .nav-chip .chip-icon {
            font-size: 13px;
            opacity: 0.75;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #1e8adf);
            border: none;
            cursor: pointer;
            box-shadow: 0 0 18px var(--glow-blue);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px var(--glow-blue-strong);
            color: #fff;
        }
        .btn-glow:active {
            transform: scale(0.98);
        }
        .btn-glow .btn-arrow {
            font-size: 12px;
            transition: transform 0.2s ease;
        }
        .btn-glow:hover .btn-arrow {
            transform: translateX(4px);
        }
        .nav-toggle {
            display: none;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            width: 40px;
            height: 40px;
            color: var(--text-body);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition-base);
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
        }
        .nav-toggle:hover {
            background: rgba(255,255,255,0.1);
            color: var(--text-title);
        }
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.55);
            z-index: 99;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer {
            position: fixed;
            top: 64px;
            right: 0;
            width: 280px;
            max-width: 85vw;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-right: none;
            border-radius: 16px 0 0 16px;
            padding: 16px;
            z-index: 100;
            transform: translateX(100%);
            transition: transform 0.35s ease;
            box-shadow: -8px 0 40px rgba(0,0,0,0.5);
        }
        .mobile-drawer.show {
            transform: translateX(0);
        }
        .mobile-drawer .nav-chip {
            display: flex;
            width: 100%;
            margin-bottom: 8px;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 15px;
        }
        .mobile-drawer .drawer-cta {
            margin-top: 12px;
            width: 100%;
        }
        /* ===== Section Base ===== */
        .section-block {
            padding: 72px 0;
            position: relative;
        }
        .section-block.alt-bg {
            background: var(--bg-section-alt);
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--secondary);
            background: rgba(46,168,255,0.08);
            border: 1px solid rgba(46,168,255,0.2);
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .glass-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .glass-card:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.25);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            padding: 24px 0 8px;
        }
        .breadcrumb-bar a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .breadcrumb-bar a:hover {
            color: var(--secondary);
        }
        .breadcrumb-sep {
            opacity: 0.5;
            font-size: 11px;
        }
        .breadcrumb-current {
            color: var(--secondary);
            font-weight: 500;
        }
        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            padding: 40px 0 48px;
            background: linear-gradient(180deg, #0A0E14 0%, #0C1420 100%);
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -120px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(123,92,255,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(46,168,255,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 40px;
        }
        .category-hero-text {
            flex: 1 1 60%;
            min-width: 0;
        }
        .category-hero-visual {
            flex: 1 1 32%;
            min-width: 260px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: 0 16px 48px rgba(0,0,0,0.4);
            position: relative;
        }
        .category-hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .category-hero-visual .visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,14,20,0.35) 0%, rgba(10,14,20,0.15) 100%);
        }
        .category-h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.25;
            margin: 8px 0 16px;
            letter-spacing: 0.01em;
        }
        .category-h1 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-lead {
            font-size: 17px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 24px;
        }
        .category-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .category-meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
        }
        .category-meta-chip i {
            color: var(--secondary);
            font-size: 11px;
        }
        /* ===== Filter Toolbar ===== */
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 32px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .filter-toolbar::-webkit-scrollbar {
            display: none;
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition-base);
            user-select: none;
        }
        .filter-chip:hover {
            background: rgba(255,255,255,0.08);
            color: var(--text-title);
        }
        .filter-chip.active {
            color: #fff;
            background: rgba(46,168,255,0.2);
            border-color: var(--primary);
            box-shadow: 0 0 12px rgba(46,168,255,0.3);
        }
        /* ===== Content Grid / Cards ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .content-card {
            display: flex;
            flex-direction: column;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
        }
        .content-card:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.25);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .content-card-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: var(--bg-card);
        }
        .content-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .content-card:hover .content-card-thumb img {
            transform: scale(1.05);
        }
        .content-card-thumb .thumb-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            color: #fff;
            background: rgba(46,168,255,0.75);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .content-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .content-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
        }
        .content-card-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .content-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-glass);
            padding-top: 12px;
        }
        .content-card-meta .meta-time {
            font-family: var(--font-mono);
            font-size: 11px;
        }
        .content-card-meta .meta-cat {
            color: var(--secondary);
            background: rgba(46,168,255,0.1);
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 11px;
        }
        .content-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--secondary);
            transition: var(--transition-base);
        }
        .content-card-link:hover {
            color: var(--primary);
        }
        .content-card-link i {
            font-size: 11px;
            transition: transform 0.2s ease;
        }
        .content-card-link:hover i {
            transform: translateX(3px);
        }
        .empty-state {
            grid-column: 1 / -1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
            padding: 64px 24px;
            text-align: center;
            background: rgba(255,255,255,0.03);
            border: 1px dashed var(--border-light);
            border-radius: var(--radius-lg);
        }
        .empty-state i {
            font-size: 48px;
            color: var(--text-muted);
        }
        .empty-state .empty-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-title);
        }
        .empty-state .empty-desc {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 360px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--secondary);
            background: transparent;
            border: 1px solid rgba(111,214,255,0.4);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: rgba(111,214,255,0.08);
            border-color: var(--secondary);
            color: #fff;
            transform: translateY(-2px);
        }
        .view-more-wrap {
            display: flex;
            justify-content: center;
            margin-top: 32px;
        }
        /* ===== Hot Recommend ===== */
        .hot-scroll-wrap {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) transparent;
        }
        .hot-scroll-wrap::-webkit-scrollbar {
            height: 4px;
        }
        .hot-scroll-wrap::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        .hot-scroll-wrap::-webkit-scrollbar-track {
            background: transparent;
        }
        .hot-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(123,92,255,0.3);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .hot-card:hover {
            border-color: var(--accent);
            box-shadow: 0 12px 30px rgba(123,92,255,0.2);
            transform: translateY(-3px);
        }
        .hot-card-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: var(--bg-card);
        }
        .hot-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hot-card-thumb .hot-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent), #5a3fd6);
            box-shadow: 0 0 12px var(--glow-accent);
        }
        .hot-card-body {
            padding: 16px 18px;
        }
        .hot-card-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-card-meta {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 6px;
            font-family: var(--font-mono);
        }
        /* ===== Topic Grid ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .topic-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .topic-card:hover {
            background: rgba(255,255,255,0.07);
            border-color: rgba(46,168,255,0.25);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            background: linear-gradient(135deg, rgba(46,168,255,0.15), rgba(123,92,255,0.15));
            color: var(--secondary);
            border: 1px solid rgba(46,168,255,0.2);
        }
        .topic-card-text {
            flex: 1;
            min-width: 0;
        }
        .topic-card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.4;
        }
        .topic-card-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .topic-arrow {
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .topic-card:hover .topic-arrow {
            color: var(--secondary);
            transform: translateX(4px);
        }
        /* ===== Data Strip ===== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-item {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition-base);
        }
        .data-item:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(46,168,255,0.2);
        }
        .data-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.2;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .data-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 8px;
        }
        /* ===== CTA Section ===== */
        .cta-panel {
            position: relative;
            padding: 56px 40px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, #0D1522 0%, #111C2C 100%);
            border: 1px solid rgba(46,168,255,0.2);
            text-align: center;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0,0,0,0.4);
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(46,168,255,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-panel::after {
            content: "";
            position: absolute;
            bottom: -50px;
            left: -30px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(123,92,255,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-panel > * {
            position: relative;
            z-index: 2;
        }
        .cta-panel-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .cta-panel-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 480px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-input {
            flex: 1;
            min-width: 0;
            padding: 12px 20px;
            border-radius: 999px;
            border: 1px solid var(--border-glass);
            background: rgba(255,255,255,0.05);
            color: var(--text-title);
            font-size: 14px;
            outline: none;
            transition: var(--transition-base);
        }
        .cta-input::placeholder {
            color: var(--text-muted);
        }
        .cta-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 16px rgba(46,168,255,0.3);
            background: rgba(255,255,255,0.07);
        }
        /* ===== Footer ===== */
        .site-footer {
            background: #080C12;
            border-top: 1px solid var(--border-light);
            padding: 56px 0 32px;
            margin-top: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand {
            min-width: 0;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-glass);
        }
        .copyright {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-h1 {
                font-size: 32px;
            }
            .section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
                flex-wrap: nowrap;
            }
            .logo-text {
                max-width: 110px;
                font-size: 13px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .nav-chips-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-cta {
                margin-left: auto;
            }
            .header-cta .btn-glow {
                padding: 8px 16px;
                font-size: 13px;
            }
            .header-cta .btn-glow .btn-arrow {
                display: none;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-desc {
                font-size: 14px;
            }
            .category-hero {
                padding: 32px 0 40px;
            }
            .category-hero-inner {
                flex-direction: column;
                gap: 24px;
            }
            .category-hero-visual {
                min-width: 100%;
                order: -1;
            }
            .category-h1 {
                font-size: 28px;
            }
            .category-lead {
                font-size: 15px;
            }
            .content-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .content-card-title {
                font-size: 15px;
                min-height: auto;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-number {
                font-size: 24px;
            }
            .cta-panel {
                padding: 40px 24px;
            }
            .cta-panel-title {
                font-size: 22px;
            }
            .cta-form {
                flex-direction: column;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .hot-card {
                flex: 0 0 260px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 8px 12px;
                gap: 8px;
            }
            .logo-text {
                max-width: 80px;
                font-size: 12px;
            }
            .header-cta .btn-glow {
                padding: 7px 12px;
                font-size: 12px;
            }
            .btn-glow .btn-arrow {
                display: none;
            }
            .section-block {
                padding: 36px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .category-h1 {
                font-size: 24px;
            }
            .breadcrumb-bar {
                font-size: 12px;
            }
            .filter-toolbar {
                margin-bottom: 24px;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
            .data-strip {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .footer-links {
                justify-content: center;
            }
            .cta-panel {
                padding: 32px 18px;
            }
            .cta-panel-title {
                font-size: 20px;
            }
            .hot-card {
                flex: 0 0 240px;
            }
        }