/* roulang page: index */
:root {
            --bg-deep: #070B16;
            --bg-navy: #0A1E3F;
            --bg-mid: #132447;
            --primary: #2F80ED;
            --secondary: #41C4FF;
            --accent: #3CE0FF;
            --text-main: #E8F1FF;
            --text-muted: #9AB3D6;
            --text-weak: #6C87AA;
            --border-glow: rgba(60, 224, 255, 0.35);
            --border-glow-strong: rgba(60, 224, 255, 0.65);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-mobile: rgba(10, 22, 46, 0.92);
            --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.5);
            --glow-inner: inset 0 0 20px rgba(60, 224, 255, 0.08);
            --glow-outer: 0 0 24px rgba(60, 224, 255, 0.18);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 20px;
            --radius-input: 10px;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --transition-base: all 0.3s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: linear-gradient(170deg, var(--bg-deep) 0%, var(--bg-navy) 35%, var(--bg-mid) 65%, #0E1A33 100%);
            color: var(--text-main);
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(ellipse at 20% 20%, rgba(60, 224, 255, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 60%, rgba(47, 128, 237, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(65, 196, 255, 0.03) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(rgba(60, 224, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(60, 224, 255, 0.02) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 68px;
            z-index: 100;
            background: rgba(7, 11, 22, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(60, 224, 255, 0.28);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 17px;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(60, 224, 255, 0.18), rgba(47, 128, 237, 0.12));
            border: 1px solid rgba(60, 224, 255, 0.5);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            width: 10px;
            height: 10px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
            position: absolute;
        }

        .logo-icon::after {
            content: '';
            width: 4px;
            height: 4px;
            background: #fff;
            border-radius: 50%;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 22px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #07101F;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: 0 0 18px rgba(60, 224, 255, 0.65);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-cta:hover {
            box-shadow: 0 0 28px rgba(60, 224, 255, 0.85);
            transform: translateY(-1px);
        }

        .nav-cta:active {
            box-shadow: 0 0 10px rgba(60, 224, 255, 0.45);
            transform: translateY(0);
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            position: relative;
            background:
                radial-gradient(ellipse at 70% 40%, rgba(60, 224, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 75%, rgba(47, 128, 237, 0.06) 0%, transparent 50%);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(60, 224, 255, 0.1);
            border: 1px solid rgba(60, 224, 255, 0.35);
            border-radius: var(--radius-badge);
            font-size: 13px;
            color: var(--accent);
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            color: #FFFFFF;
            text-shadow: 0 0 30px rgba(60, 224, 255, 0.25);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.9;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #07101F;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: 0 0 18px rgba(60, 224, 255, 0.65);
            cursor: pointer;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(60, 224, 255, 0.9);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            box-shadow: 0 0 12px rgba(60, 224, 255, 0.4);
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: transparent;
            color: var(--secondary);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(65, 196, 255, 0.55);
            cursor: pointer;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-secondary:hover {
            background: rgba(60, 224, 255, 0.1);
            border-color: rgba(65, 196, 255, 0.85);
            transform: translateY(-2px);
        }

        .hero-image-wrapper {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            box-shadow: var(--card-shadow), var(--glow-outer);
            aspect-ratio: 4/3;
        }

        .hero-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: saturate(0.9) brightness(0.85);
        }

        .hero-image-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 11, 22, 0.35) 0%, transparent 40%, rgba(7, 11, 22, 0.5) 100%);
            pointer-events: none;
        }

        .hero-stat-bar {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            padding-top: 22px;
            border-top: 1px solid rgba(60, 224, 255, 0.15);
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .hero-stat .stat-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(60, 224, 255, 0.7);
            animation: pulse-dot 2s ease-in-out infinite;
        }

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

        /* ===== Section base ===== */
        .section {
            padding: 88px 0;
            position: relative;
            z-index: 1;
        }

        .section-alt {
            background: rgba(10, 30, 63, 0.35);
            border-top: 1px solid rgba(60, 224, 255, 0.1);
            border-bottom: 1px solid rgba(60, 224, 255, 0.1);
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            color: var(--accent);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: #FFFFFF;
            letter-spacing: 0.3px;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.9;
            max-width: 680px;
        }

        /* ===== Cards ===== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow), var(--glow-inner);
            padding: 28px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: var(--border-glow-strong);
            box-shadow: var(--card-shadow-hover), 0 0 24px rgba(60, 224, 255, 0.22);
            transform: translateY(-4px);
        }

        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(60, 224, 255, 0.5), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }

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

        .card-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(60, 224, 255, 0.15), rgba(47, 128, 237, 0.1));
            border: 1px solid rgba(60, 224, 255, 0.4);
            border-radius: 10px;
            margin-bottom: 16px;
            font-size: 20px;
            color: var(--accent);
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
            letter-spacing: 0.2px;
        }

        .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(60, 224, 255, 0.08);
            border: 1px solid rgba(60, 224, 255, 0.35);
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

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

        /* ===== Category Entrance ===== */
        .category-entrance-card {
            background: linear-gradient(135deg, rgba(60, 224, 255, 0.12), rgba(47, 128, 237, 0.08));
            border: 1px solid rgba(60, 224, 255, 0.6);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: 0 0 30px rgba(60, 224, 255, 0.3), var(--glow-inner);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
            grid-column: span 2;
        }

        .category-entrance-card::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 80%;
            height: 80%;
            background: radial-gradient(circle, rgba(60, 224, 255, 0.15) 0%, transparent 65%);
            pointer-events: none;
        }

        .category-entrance-card:hover {
            border-color: rgba(60, 224, 255, 0.85);
            box-shadow: 0 0 40px rgba(60, 224, 255, 0.45), var(--glow-inner);
            transform: translateY(-3px);
        }

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

        .scenario-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            transition: var(--transition-base);
        }

        .scenario-card:hover {
            border-color: var(--border-glow-strong);
            box-shadow: var(--card-shadow-hover), 0 0 20px rgba(60, 224, 255, 0.18);
            transform: translateY(-4px);
        }

        .scenario-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .scenario-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.8);
        }

        .scenario-content {
            padding: 22px;
        }

        .scenario-title {
            font-size: 17px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

        .scenario-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== Screenshot / Demo ===== */
        .demo-gallery {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
        }

        .demo-main {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            box-shadow: var(--card-shadow), var(--glow-outer);
            aspect-ratio: 16/10;
        }

        .demo-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.8);
        }

        .demo-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .demo-thumb {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            aspect-ratio: 16/9;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .demo-thumb:hover {
            border-color: var(--border-glow-strong);
            box-shadow: 0 0 16px rgba(60, 224, 255, 0.25);
        }

        .demo-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.75);
        }

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

        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .price-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            text-align: center;
            transition: var(--transition-base);
            position: relative;
        }

        .price-card:hover {
            border-color: var(--border-glow-strong);
            transform: translateY(-4px);
        }

        .price-card.recommended {
            border-color: rgba(60, 224, 255, 0.7);
            box-shadow: 0 0 35px rgba(60, 224, 255, 0.3);
        }

        .price-tag {
            font-size: 40px;
            font-weight: 800;
            color: #FFFFFF;
            margin: 16px 0;
            letter-spacing: 0.5px;
        }

        .price-tag .currency {
            font-size: 18px;
            vertical-align: top;
            margin-right: 2px;
            color: var(--accent);
        }

        .price-features {
            list-style: none;
            padding: 0;
            margin: 20px 0 28px;
            text-align: left;
        }

        .price-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(60, 224, 255, 0.08);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-features li::before {
            content: '◆';
            font-size: 8px;
            color: var(--accent);
        }

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

        .review-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: var(--transition-base);
        }

        .review-card:hover {
            border-color: var(--border-glow-strong);
            transform: translateY(-3px);
        }

        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #07101F;
            font-size: 16px;
            margin-bottom: 14px;
        }

        .review-name {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
        }

        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

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

        .reputation-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            transition: var(--transition-base);
        }

        .reputation-item:hover {
            border-color: var(--border-glow-strong);
            transform: translateY(-3px);
        }

        .reputation-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 8px;
            text-shadow: 0 0 15px rgba(60, 224, 255, 0.4);
        }

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

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

        .news-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .news-card:hover {
            border-color: var(--border-glow-strong);
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }

        .news-card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.75);
        }

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

        .news-meta {
            display: flex;
            gap: 12px;
            font-size: 12px;
            color: var(--text-weak);
            margin-bottom: 8px;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-summary {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 15px;
            border: 1px dashed rgba(60, 224, 255, 0.3);
            border-radius: var(--radius-card);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 88px 0;
            position: relative;
            z-index: 1;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(47, 128, 237, 0.12), rgba(60, 224, 255, 0.08));
            border: 1px solid rgba(60, 224, 255, 0.45);
            border-radius: 24px;
            padding: 56px 40px;
            text-align: center;
            box-shadow: 0 0 50px rgba(60, 224, 255, 0.15);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% 120%, rgba(60, 224, 255, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-title {
            font-size: 32px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .cta-desc {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 30px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.9;
        }

        /* ===== Footer ===== */
        .site-footer {
            padding: 48px 0 28px;
            background: rgba(7, 11, 22, 0.85);
            border-top: 1px solid rgba(60, 224, 255, 0.25);
            position: relative;
            z-index: 1;
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
            align-items: flex-start;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .footer-tagline {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-links {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(60, 224, 255, 0.1);
            text-align: center;
            font-size: 13px;
            color: var(--text-weak);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-title {
                font-size: 34px;
            }

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

            .category-entrance-card {
                grid-column: span 2;
            }

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

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

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

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

            .demo-gallery {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }

            .section {
                padding: 56px 0;
            }

            .hero-section {
                padding: 100px 0 60px;
                min-height: auto;
            }

            .hero-title {
                font-size: 28px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .hero-stat-bar {
                gap: 16px;
                flex-wrap: wrap;
            }

            .section-title {
                font-size: 24px;
            }

            .feature-grid,
            .scenario-grid,
            .case-grid,
            .price-grid,
            .review-grid,
            .reputation-matrix,
            .news-grid {
                grid-template-columns: 1fr;
            }

            .category-entrance-card {
                grid-column: span 1;
            }

            .glass-card,
            .price-card,
            .review-card,
            .reputation-item,
            .news-card {
                backdrop-filter: none;
                background: var(--glass-bg-mobile);
            }

            .cta-box {
                padding: 36px 22px;
            }

            .cta-title {
                font-size: 24px;
            }

            .header-inner {
                gap: 12px;
            }

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

            .logo-link {
                font-size: 15px;
            }

            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-title {
                font-size: 24px;
            }

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

            .section-title {
                font-size: 21px;
            }

            .glass-card,
            .price-card,
            .review-card {
                padding: 20px;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
            }

            .logo-link {
                font-size: 14px;
            }

            .nav-cta {
                padding: 7px 13px;
                font-size: 12px;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #070B16;
            --bg-navy: #0A1E3F;
            --bg-mid: #132447;
            --primary: #2F80ED;
            --secondary: #41C4FF;
            --accent: #3CE0FF;
            --text-main: #E8F1FF;
            --text-muted: #9AB3D6;
            --text-weak: #6C87AA;
            --border-glow: rgba(60, 224, 255, 0.35);
            --border-glow-strong: rgba(60, 224, 255, 0.65);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-mobile: rgba(10, 22, 46, 0.92);
            --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.5);
            --glow-inner: inset 0 0 20px rgba(60, 224, 255, 0.08);
            --glow-outer: 0 0 24px rgba(60, 224, 255, 0.18);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 20px;
            --radius-input: 10px;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --transition-base: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background: linear-gradient(170deg, var(--bg-deep) 0%, var(--bg-navy) 35%, var(--bg-mid) 65%, #0E1A33 100%);
            color: var(--text-main);
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(ellipse at 20% 20%, rgba(60, 224, 255, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 60%, rgba(47, 128, 237, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(65, 196, 255, 0.03) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }
        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(rgba(60, 224, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(60, 224, 255, 0.02) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }
        .container-narrow {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 68px;
            z-index: 100;
            background: rgba(7, 11, 22, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(60, 224, 255, 0.28);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 17px;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(60, 224, 255, 0.18), rgba(47, 128, 237, 0.12));
            border: 1px solid rgba(60, 224, 255, 0.5);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }
        .logo-icon::before {
            content: '';
            width: 10px;
            height: 10px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
            position: absolute;
        }
        .logo-icon::after {
            content: '';
            width: 4px;
            height: 4px;
            background: #fff;
            border-radius: 50%;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 22px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #07101F;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: 0 0 18px rgba(60, 224, 255, 0.65);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-cta:hover {
            box-shadow: 0 0 28px rgba(60, 224, 255, 0.85);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            box-shadow: 0 0 12px rgba(60, 224, 255, 0.55);
            transform: translateY(0);
        }
        /* ===== Glass Card ===== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow), var(--glow-inner);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .glass-card:hover {
            border-color: var(--border-glow-strong);
            box-shadow: var(--card-shadow-hover), var(--glow-outer);
            transform: translateY(-4px);
        }
        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.6;
            pointer-events: none;
        }
        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #07101F;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: 0 0 18px rgba(60, 224, 255, 0.65);
            cursor: pointer;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
            line-height: 1.4;
        }
        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(60, 224, 255, 0.9);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            box-shadow: 0 0 12px rgba(60, 224, 255, 0.5);
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--secondary);
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(65, 196, 255, 0.5);
            cursor: pointer;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
            line-height: 1.4;
        }
        .btn-secondary:hover {
            background: rgba(60, 224, 255, 0.1);
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(60, 224, 255, 0.25);
        }
        .btn-secondary:active {
            transform: translateY(0);
            box-shadow: 0 0 8px rgba(60, 224, 255, 0.15);
        }
        /* ===== Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            border: 1px solid rgba(60, 224, 255, 0.45);
            background: rgba(60, 224, 255, 0.08);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        /* ===== Article Page Specific ===== */
        .article-main {
            padding-top: 100px;
            padding-bottom: 70px;
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: rgba(108, 135, 170, 0.6);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-title-zone {
            padding: 28px 30px 24px;
            margin-bottom: 24px;
        }
        .article-title-zone h1 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--accent);
            font-size: 13px;
        }
        .article-content-zone {
            padding: 32px 36px 36px;
            margin-bottom: 30px;
        }
        .article-content-zone .cms-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-main);
        }
        .article-content-zone .cms-content h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-top: 32px;
            margin-bottom: 14px;
            line-height: 1.4;
            padding-left: 14px;
            border-left: 3px solid var(--accent);
        }
        .article-content-zone .cms-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-top: 24px;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .article-content-zone .cms-content p {
            margin-bottom: 16px;
            color: var(--text-muted);
        }
        .article-content-zone .cms-content ul,
        .article-content-zone .cms-content ol {
            margin-bottom: 16px;
            padding-left: 24px;
            color: var(--text-muted);
        }
        .article-content-zone .cms-content ul li,
        .article-content-zone .cms-content ol li {
            margin-bottom: 8px;
            position: relative;
        }
        .article-content-zone .cms-content ul li::before {
            content: '';
            position: absolute;
            left: -18px;
            top: 12px;
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 6px rgba(60, 224, 255, 0.5);
        }
        .article-content-zone .cms-content blockquote {
            margin: 20px 0;
            padding: 18px 24px;
            border-left: 3px solid var(--accent);
            background: rgba(60, 224, 255, 0.06);
            border-radius: 0 12px 12px 0;
            color: var(--text-main);
            font-style: italic;
        }
        .article-content-zone .cms-content img {
            margin: 24px 0;
            border-radius: var(--radius-card);
            border: 1px solid rgba(60, 224, 255, 0.2);
            box-shadow: var(--card-shadow);
        }
        .article-content-zone .cms-content strong {
            color: var(--text-main);
            font-weight: 700;
        }
        .article-content-zone .cms-content a {
            color: var(--accent);
            border-bottom: 1px dashed rgba(60, 224, 255, 0.5);
            transition: var(--transition-base);
        }
        .article-content-zone .cms-content a:hover {
            border-bottom-color: var(--accent);
            text-shadow: 0 0 8px rgba(60, 224, 255, 0.3);
        }
        .article-not-found {
            text-align: center;
            padding: 60px 30px;
        }
        .article-not-found .icon-big {
            font-size: 56px;
            color: var(--accent);
            margin-bottom: 20px;
            opacity: 0.7;
        }
        .article-not-found h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 28px;
            font-size: 15px;
        }
        /* Section Title */
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            line-height: 1.4;
            margin-bottom: 28px;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
            border-radius: 2px;
        }
        .section-title .title-accent {
            background: linear-gradient(135deg, var(--accent), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        /* Related Cards */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            padding: 20px;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .related-card .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 10px;
            border: 1px solid rgba(60, 224, 255, 0.2);
            background: rgba(10, 22, 46, 0.6);
        }
        .related-card .card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .related-card:hover .card-title {
            color: var(--accent);
        }
        .related-card .card-summary {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-weak);
            margin-top: auto;
        }
        /* News Ticker */
        .ticker-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .ticker-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(60, 224, 255, 0.15);
            border-radius: 10px;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .ticker-item:hover {
            border-color: rgba(60, 224, 255, 0.45);
            background: rgba(60, 224, 255, 0.06);
        }
        .ticker-item .ticker-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(60, 224, 255, 0.6);
        }
        .ticker-item .ticker-text {
            font-size: 14px;
            color: var(--text-muted);
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .ticker-item .ticker-time {
            font-size: 12px;
            color: var(--text-weak);
            flex-shrink: 0;
        }
        /* Notice Bar */
        .notice-bar {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            background: rgba(60, 224, 255, 0.06);
            border: 1px solid rgba(60, 224, 255, 0.25);
            border-radius: 12px;
        }
        .notice-bar .notice-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, rgba(60, 224, 255, 0.15), rgba(47, 128, 237, 0.1));
            border: 1px solid rgba(60, 224, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            flex-shrink: 0;
        }
        .notice-bar .notice-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .notice-bar .notice-text strong {
            color: var(--text-main);
        }
        /* Return button zone */
        .return-zone {
            text-align: center;
            padding: 10px 0 30px;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: rgba(7, 11, 22, 0.9);
            border-top: 1px solid rgba(60, 224, 255, 0.25);
            padding: 40px 0 24px;
            position: relative;
            z-index: 1;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.5;
        }
        .footer-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .footer-tagline {
            font-size: 13px;
            color: var(--text-muted);
            max-width: 420px;
            line-height: 1.7;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: flex-start;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            margin-top: 28px;
            padding-top: 18px;
            border-top: 1px solid rgba(60, 224, 255, 0.12);
            text-align: center;
            font-size: 12px;
            color: var(--text-weak);
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-content-zone {
                padding: 24px 22px 28px;
            }
            .article-title-zone {
                padding: 22px 20px 20px;
            }
            .article-title-zone h1 {
                font-size: 22px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }
            .logo-link {
                font-size: 15px;
                gap: 8px;
            }
            .logo-icon {
                width: 26px;
                height: 26px;
                border-radius: 5px;
            }
            .nav-cta {
                padding: 7px 16px;
                font-size: 12px;
            }
            .article-main {
                padding-top: 80px;
                padding-bottom: 50px;
            }
            .article-title-zone {
                padding: 18px 16px 16px;
            }
            .article-title-zone h1 {
                font-size: 20px;
            }
            .article-content-zone {
                padding: 18px 16px 22px;
            }
            .article-content-zone .cms-content {
                font-size: 15px;
                line-height: 1.8;
            }
            .article-content-zone .cms-content h2 {
                font-size: 18px;
            }
            .article-content-zone .cms-content h3 {
                font-size: 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .glass-card {
                box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            }
            .glass-card:hover {
                transform: translateY(-2px);
            }
            .glass-card::before {
                opacity: 0.4;
            }
            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }
            .footer-links {
                gap: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 6px;
            }
            .breadcrumb .current {
                max-width: 180px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 20px;
                font-size: 14px;
            }
            .notice-bar {
                flex-direction: column;
                align-items: flex-start;
                padding: 14px 16px;
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .logo-link {
                font-size: 13px;
                letter-spacing: 0.2px;
            }
            .nav-cta {
                padding: 6px 12px;
                font-size: 11px;
                gap: 4px;
            }
            .article-title-zone h1 {
                font-size: 18px;
                line-height: 1.5;
            }
            .article-meta {
                gap: 10px;
                font-size: 12px;
            }
            .article-content-zone .cms-content {
                font-size: 14px;
                line-height: 1.75;
            }
            .related-card .card-img {
                height: 140px;
            }
            .ticker-item {
                padding: 10px 12px;
                gap: 10px;
            }
            .ticker-item .ticker-text {
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #070B16;
            --bg-navy: #0A1E3F;
            --bg-mid: #132447;
            --primary: #2F80ED;
            --secondary: #41C4FF;
            --accent: #3CE0FF;
            --text-main: #E8F1FF;
            --text-muted: #9AB3D6;
            --text-weak: #6C87AA;
            --border-glow: rgba(60, 224, 255, 0.35);
            --border-glow-strong: rgba(60, 224, 255, 0.65);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-mobile: rgba(10, 22, 46, 0.92);
            --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.5);
            --glow-inner: inset 0 0 20px rgba(60, 224, 255, 0.08);
            --glow-outer: 0 0 24px rgba(60, 224, 255, 0.18);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 20px;
            --radius-input: 10px;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --transition-base: all 0.3s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: linear-gradient(170deg, var(--bg-deep) 0%, var(--bg-navy) 35%, var(--bg-mid) 65%, #0E1A33 100%);
            color: var(--text-main);
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(ellipse at 20% 20%, rgba(60, 224, 255, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 60%, rgba(47, 128, 237, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(65, 196, 255, 0.03) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(rgba(60, 224, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(60, 224, 255, 0.02) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 68px;
            z-index: 100;
            background: rgba(7, 11, 22, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(60, 224, 255, 0.28);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 16px;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(60, 224, 255, 0.18), rgba(47, 128, 237, 0.12));
            border: 1px solid rgba(60, 224, 255, 0.5);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            width: 10px;
            height: 10px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
            position: absolute;
        }

        .logo-icon::after {
            content: '';
            width: 4px;
            height: 4px;
            background: #fff;
            border-radius: 50%;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            margin-left: auto;
            margin-right: 18px;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.3px;
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--primary));
            border-radius: 2px;
            transition: width 0.3s ease;
        }

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

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

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

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #07101F;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: 0 0 18px rgba(60, 224, 255, 0.65);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-cta:hover {
            box-shadow: 0 0 28px rgba(60, 224, 255, 0.85);
            transform: translateY(-2px);
        }

        .nav-cta:active {
            box-shadow: 0 0 12px rgba(60, 224, 255, 0.5);
            transform: translateY(0);
        }

        /* ===== Category Page Body ===== */
        main {
            position: relative;
            z-index: 1;
            padding-top: 68px;
        }

        /* Category H1 Section */
        .category-hero {
            padding: 56px 0 32px;
            position: relative;
            background: linear-gradient(180deg, rgba(10, 30, 63, 0.35) 0%, transparent 100%);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(ellipse at 30% 40%, rgba(60, 224, 255, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 50%, rgba(47, 128, 237, 0.04) 0%, transparent 50%);
            pointer-events: none;
        }

        .category-hero-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 14px;
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            letter-spacing: 0.5px;
        }

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

        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb-sep {
            color: rgba(60, 224, 255, 0.5);
        }

        .breadcrumb-current {
            color: var(--accent);
            font-weight: 500;
        }

        .category-hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #E8F1FF 40%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.8;
            margin: 0 auto;
        }

        /* Category Tabs */
        .category-tabs {
            padding: 8px 0 36px;
            position: relative;
            z-index: 1;
        }

        .tabs-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tab-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(60, 224, 255, 0.25);
            border-radius: var(--radius-badge);
            cursor: pointer;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .tab-pill:hover {
            color: var(--accent);
            border-color: rgba(60, 224, 255, 0.55);
            background: rgba(60, 224, 255, 0.08);
            box-shadow: 0 0 12px rgba(60, 224, 255, 0.15);
        }

        .tab-pill.active-tab {
            color: #07101F;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            border-color: transparent;
            font-weight: 700;
            box-shadow: 0 0 16px rgba(60, 224, 255, 0.5);
        }

        /* Category Main List */
        .category-list-section {
            padding: 0 0 56px;
            position: relative;
            z-index: 1;
        }

        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 24px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title::before {
            content: '';
            width: 4px;
            height: 22px;
            background: linear-gradient(180deg, var(--accent), var(--primary));
            border-radius: 2px;
            display: inline-block;
        }

        .section-subtitle {
            font-size: 14px;
            color: var(--text-weak);
            letter-spacing: 0.3px;
        }

        .category-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .category-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow), var(--glow-inner);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            border-color: var(--border-glow-strong);
            box-shadow: var(--card-shadow-hover), var(--glow-outer);
            transform: translateY(-4px);
        }

        .category-card-image {
            width: 100%;
            height: 180px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

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

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

        .category-card-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: linear-gradient(180deg, transparent 0%, rgba(7, 11, 22, 0.75) 100%);
            pointer-events: none;
        }

        .category-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .category-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            letter-spacing: 0.3px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .category-card:hover .category-card-body h3 {
            color: var(--accent);
        }

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

        .category-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-top: auto;
            padding-top: 8px;
            border-top: 1px solid rgba(60, 224, 255, 0.12);
        }

        .meta-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--accent);
            background: rgba(60, 224, 255, 0.1);
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.4px;
            border: 1px solid rgba(60, 224, 255, 0.25);
            white-space: nowrap;
        }

        .meta-time {
            font-size: 12px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 5px;
            white-space: nowrap;
        }

        .empty-state {
            text-align: center;
            padding: 52px 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            color: var(--text-muted);
            font-size: 15px;
            letter-spacing: 0.3px;
        }

        /* View More Button */
        .view-more-wrap {
            display: flex;
            justify-content: center;
            margin-top: 32px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            background: transparent;
            border: 1px solid rgba(60, 224, 255, 0.4);
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-secondary:hover {
            background: rgba(60, 224, 255, 0.1);
            border-color: rgba(60, 224, 255, 0.7);
            box-shadow: 0 0 16px rgba(60, 224, 255, 0.2);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            box-shadow: 0 0 8px rgba(60, 224, 255, 0.2);
            transform: translateY(0);
        }

        /* Stats Section */
        .stats-section {
            padding: 40px 0;
            position: relative;
            z-index: 1;
            background: rgba(10, 22, 46, 0.35);
            border-top: 1px solid rgba(60, 224, 255, 0.15);
            border-bottom: 1px solid rgba(60, 224, 255, 0.15);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-item {
            text-align: center;
            padding: 22px 14px;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            transition: var(--transition-base);
        }

        .stat-item:hover {
            border-color: var(--border-glow-strong);
            box-shadow: var(--glow-outer);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 30px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.3px;
            margin-top: 4px;
        }

        /* Topic Spotlight Section */
        .topic-spotlight {
            padding: 56px 0;
            position: relative;
            z-index: 1;
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            margin-top: 24px;
        }

        .topic-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            border-color: var(--border-glow-strong);
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }

        .topic-card-image {
            width: 100%;
            height: 160px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

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

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

        .topic-card-body {
            padding: 16px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .topic-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.3px;
            line-height: 1.5;
            transition: var(--transition-base);
        }

        .topic-card:hover .topic-card-body h3 {
            color: var(--accent);
        }

        .topic-card-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Related Updates Section */
        .related-updates {
            padding: 40px 0 56px;
            position: relative;
            z-index: 1;
            background: rgba(10, 22, 46, 0.35);
            border-top: 1px solid rgba(60, 224, 255, 0.15);
            border-bottom: 1px solid rgba(60, 224, 255, 0.15);
        }

        .update-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 22px;
        }

        .update-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 18px;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(60, 224, 255, 0.2);
            border-radius: 12px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .update-item:hover {
            border-color: var(--border-glow-strong);
            background: rgba(60, 224, 255, 0.06);
            box-shadow: var(--glow-inner);
        }

        .update-dot {
            width: 8px;
            height: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 8px;
            box-shadow: 0 0 8px rgba(60, 224, 255, 0.5);
        }

        .update-content h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            letter-spacing: 0.3px;
            line-height: 1.5;
            transition: var(--transition-base);
        }

        .update-item:hover .update-content h4 {
            color: var(--accent);
        }

        .update-content p {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 3px;
            letter-spacing: 0.2px;
        }

        /* Subscribe CTA Section */
        .subscribe-section {
            padding: 56px 0 72px;
            position: relative;
            z-index: 1;
        }

        .subscribe-card {
            background: linear-gradient(135deg, rgba(47, 128, 237, 0.12) 0%, rgba(60, 224, 255, 0.08) 50%, rgba(10, 30, 63, 0.6) 100%);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--card-shadow), var(--glow-outer);
        }

        .subscribe-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .subscribe-text p {
            font-size: 14px;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        .subscribe-form {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-input {
            padding: 10px 16px;
            font-size: 14px;
            color: var(--text-main);
            background: rgba(7, 11, 22, 0.7);
            border: 1px solid rgba(60, 224, 255, 0.3);
            border-radius: var(--radius-input);
            min-width: 240px;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }

        .subscribe-input::placeholder {
            color: var(--text-weak);
            letter-spacing: 0.3px;
        }

        .subscribe-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 14px rgba(60, 224, 255, 0.35);
            background: rgba(7, 11, 22, 0.85);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 700;
            color: #07101F;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border: none;
            border-radius: var(--radius-btn);
            box-shadow: 0 0 18px rgba(60, 224, 255, 0.65);
            cursor: pointer;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: 0 0 28px rgba(60, 224, 255, 0.85);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            box-shadow: 0 0 12px rgba(60, 224, 255, 0.5);
            transform: translateY(0);
        }

        /* ===== Footer ===== */
        .site-footer {
            position: relative;
            z-index: 1;
            background: rgba(7, 11, 22, 0.85);
            border-top: 1px solid rgba(60, 224, 255, 0.3);
            padding: 36px 0 20px;
            margin-top: 0;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(60, 224, 255, 0.7) 30%, rgba(47, 128, 237, 0.7) 70%, transparent 100%);
        }

        .footer-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .footer-logo {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .footer-tagline {
            font-size: 13px;
            color: var(--text-muted);
            max-width: 420px;
            line-height: 1.7;
            letter-spacing: 0.3px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.3px;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            padding-top: 16px;
            border-top: 1px solid rgba(60, 224, 255, 0.12);
            display: flex;
            justify-content: center;
        }

        .footer-bottom span {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: 0.3px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .category-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .logo-link {
                font-size: 14px;
            }

            .nav-links {
                gap: 14px;
                margin-right: 12px;
            }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .site-header {
                height: 60px;
            }

            main {
                padding-top: 60px;
            }

            .logo-link {
                font-size: 13px;
                gap: 6px;
            }

            .logo-icon {
                width: 26px;
                height: 26px;
            }

            .nav-links {
                gap: 10px;
                margin-right: 8px;
            }

            .nav-link {
                font-size: 12px;
            }

            .nav-cta {
                padding: 7px 14px;
                font-size: 12px;
            }

            .category-hero {
                padding: 36px 0 20px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .category-hero-desc {
                font-size: 14px;
                padding: 0 8px;
            }

            .category-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .category-card {
                background: var(--glass-bg-mobile);
                backdrop-filter: none;
                -webkit-backdrop-filter: none;
            }

            .category-card-image {
                height: 160px;
            }

            .topic-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .topic-card {
                background: var(--glass-bg-mobile);
                backdrop-filter: none;
                -webkit-backdrop-filter: none;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-number {
                font-size: 24px;
            }

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

            .update-item {
                padding: 14px 16px;
            }

            .subscribe-card {
                padding: 24px 20px;
                flex-direction: column;
                text-align: center;
            }

            .subscribe-form {
                justify-content: center;
                width: 100%;
            }

            .subscribe-input {
                min-width: 100%;
            }

            .section-title {
                font-size: 18px;
            }

            .footer-inner {
                flex-direction: column;
                gap: 16px;
            }

            .footer-links {
                gap: 12px;
            }

            .tabs-inner {
                gap: 6px;
            }

            .tab-pill {
                padding: 6px 14px;
                font-size: 12px;
            }

            .btn-secondary,
            .btn-primary {
                padding: 9px 20px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                gap: 6px;
            }

            .logo-link {
                font-size: 12px;
                letter-spacing: 0.2px;
            }

            .logo-icon {
                width: 22px;
                height: 22px;
            }

            .nav-links {
                gap: 6px;
                margin-right: 4px;
            }

            .nav-link {
                font-size: 11px;
                letter-spacing: 0.1px;
            }

            .nav-cta {
                padding: 6px 10px;
                font-size: 11px;
                gap: 4px;
            }

            .category-hero h1 {
                font-size: 20px;
            }

            .category-card-image {
                height: 140px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-number {
                font-size: 20px;
            }

            .stat-label {
                font-size: 11px;
            }

            .section-title {
                font-size: 16px;
            }

            .section-title::before {
                height: 18px;
                width: 3px;
            }

            .subscribe-input {
                font-size: 13px;
                padding: 8px 12px;
            }
        }