:root {
            --mtq8-primary: #D43F3A;
            --mtq8-primary-gradient: linear-gradient(135deg, #FF5F5A 0%, #D43F3A 100%);
            --mtq8-secondary: #FF8F1F;
            --mtq8-text: #262626;
            --mtq8-text-light: #595959;
            --mtq8-bg-light: #F0F2F5;
            --mtq8-bg-white: #FFFFFF;
            --mtq8-accent-blue: #1890FF;
            --mtq8-glass: rgba(255, 255, 255, 0.85);
            --mtq8-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --mtq8-radius: 16px;
            --mtq8-container-width: 1300px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--mtq8-text);
            line-height: 1.6;
            background-color: var(--mtq8-bg-light);
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Typography */
        h1, h2, h3 {
            line-height: 1.2;
            white-space: normal;
            word-break: break-word;
        }

        .mtq8-fluid-h1 { font-size: clamp(2rem, 5vw + 1rem, 3.5rem); font-weight: 800; }
        .mtq8-fluid-h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.5rem); font-weight: 700; }
        .mtq8-fluid-p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.2rem); line-height: 1.8; }

        /* Layout Helpers */
        .mtq8-container {
            max-width: var(--mtq8-container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .mtq8-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .mtq8-flex > * {
            min-width: 0;
        }

        .mtq8-grid {
            display: grid;
            gap: 32px;
        }

        /* Navbar */
        .mtq8-navbar {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 95%;
            max-width: var(--mtq8-container-width);
            background: var(--mtq8-glass);
            backdrop-filter: blur(12px);
            border-radius: 50px;
            z-index: 1000;
            padding: 12px 32px;
            box-shadow: var(--mtq8-shadow);
            border: 1px solid rgba(255, 255, 255, 0.3);
            justify-content: space-between;
            align-items: center;
        }

        .mtq8-logo img {
            height: 32px;
            display: block;
        }

        .mtq8-nav-menu {
            list-style: none;
            align-items: center;
            gap: 12px;
        }

        .mtq8-nav-item a {
            text-decoration: none;
            color: var(--mtq8-text-light);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all 0.3s ease;
        }

        .mtq8-nav-item a:hover {
            color: var(--mtq8-primary);
            background: rgba(212, 63, 58, 0.05);
        }

        .mtq8-nav-item.mtq8-active a {
            background: var(--mtq8-primary-gradient);
            color: white;
        }

        /* Hero Section - Centered & Elevated */
        .mtq8-hero {
            padding: 180px 0 100px;
            text-align: center;
            background: radial-gradient(circle at top right, rgba(255, 143, 31, 0.1), transparent),
                        radial-gradient(circle at bottom left, rgba(212, 63, 58, 0.05), transparent);
            position: relative;
        }

        .mtq8-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .mtq8-hero-badge {
            display: inline-block;
            background: rgba(212, 63, 58, 0.1);
            color: var(--mtq8-primary);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .mtq8-hero-title {
            color: var(--mtq8-text);
            margin-bottom: 24px;
            background: linear-gradient(to bottom, #262626, #595959);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .mtq8-hero-subtitle {
            color: var(--mtq8-text-light);
            margin-bottom: 48px;
        }

        /* Main Download Card */
        .mtq8-download-hub {
            background: var(--mtq8-bg-white);
            border-radius: 32px;
            padding: 48px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.05);
            margin-top: -40px;
            position: relative;
            z-index: 10;
            border: 1px solid rgba(0,0,0,0.02);
            align-items: center;
            justify-content: space-around;
        }

        .mtq8-download-main-btn {
            background: var(--mtq8-primary-gradient);
            color: white;
            padding: 24px 64px;
            border-radius: 60px;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 16px;
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s;
            box-shadow: 0 10px 30px rgba(212, 63, 58, 0.3);
        }

        .mtq8-download-main-btn:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 15px 40px rgba(212, 63, 58, 0.4);
        }

        .mtq8-version-info {
            text-align: left;
            padding-left: 32px;
            border-left: 2px solid var(--mtq8-bg-light);
        }

        .mtq8-version-tag {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--mtq8-text);
            display: block;
        }

        .mtq8-os-list {
            margin-top: 12px;
            gap: 16px;
            color: var(--mtq8-text-light);
            font-size: 0.9rem;
        }

        /* Workflow Section - ZigZag Layout */
        .mtq8-section {
            padding: 96px 0;
            overflow: hidden;
        }

        .mtq8-workflow-item {
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }

        .mtq8-workflow-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .mtq8-workflow-text {
            flex: 1;
        }

        .mtq8-workflow-visual {
            flex: 1;
            background: var(--mtq8-bg-white);
            border-radius: var(--mtq8-radius);
            padding: 24px;
            box-shadow: var(--mtq8-shadow);
            border: 1px solid rgba(0,0,0,0.03);
        }

        .mtq8-workflow-visual img {
            width: 100%;
            border-radius: 8px;
            display: block;
        }

        .mtq8-feature-label {
            color: var(--mtq8-primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 16px;
            display: block;
        }

        .mtq8-capability-list {
            list-style: none;
            margin-top: 24px;
        }

        .mtq8-capability-item {
            padding: 12px 0;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            color: var(--mtq8-text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .mtq8-capability-item::before {
            content: '✓';
            color: var(--mtq8-accent-blue);
            font-weight: bold;
        }

        /* Metrics Section - Dynamic Grid */
        .mtq8-metrics-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }

        .mtq8-metric-card {
            background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
            padding: 40px;
            border-radius: 24px;
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid white;
        }

        .mtq8-metric-card:hover {
            transform: translateY(-10px);
            background: white;
            box-shadow: 0 20px 40px rgba(0,0,0,0.06);
        }

        .mtq8-metric-value {
            font-size: 4rem;
            font-weight: 800;
            color: var(--mtq8-primary);
            margin-bottom: 8px;
            display: block;
        }

        .mtq8-metric-name {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
            display: block;
        }

        .mtq8-metric-context {
            color: var(--mtq8-text-light);
            font-size: 0.95rem;
        }

        /* Footer */
        .mtq8-footer {
            background: #1a1a1a;
            color: #8c8c8c;
            padding: 80px 0 40px;
        }

        .mtq8-footer-top {
            justify-content: space-between;
            padding-bottom: 48px;
            border-bottom: 1px solid #333;
        }

        .mtq8-footer-brand {
            font-size: 1.5rem;
            color: white;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .mtq8-footer-links {
            gap: 48px;
        }

        .mtq8-footer-group h4 {
            color: white;
            margin-bottom: 24px;
        }

        .mtq8-footer-group ul {
            list-style: none;
        }

        .mtq8-footer-group li {
            margin-bottom: 12px;
        }

        .mtq8-footer-group a {
            color: #8c8c8c;
            text-decoration: none;
            transition: color 0.3s;
        }

        .mtq8-footer-group a:hover {
            color: var(--mtq8-primary);
        }

        .mtq8-copyright {
            padding-top: 40px;
            text-align: center;
            font-size: 0.85rem;
        }

        /* Mobile Adjustments */
        @media (max-width: 992px) {
            .mtq8-nav-menu {
                display: none;
            }
            .mtq8-download-hub {
                flex-direction: column;
                gap: 32px;
                text-align: center;
            }
            .mtq8-version-info {
                padding-left: 0;
                border-left: none;
                border-top: 2px solid var(--mtq8-bg-light);
                padding-top: 24px;
            }
        }

        @media (max-width: 768px) {
            .mtq8-hero { padding: 140px 0 60px; }
            .mtq8-workflow-item { flex-direction: column !important; }
            .mtq8-workflow-visual { width: 100%; }
        }

        /* Animation enhancement */
        .mtq8-pulse {
            position: relative;
        }
        .mtq8-pulse::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            background: var(--mtq8-primary);
            border-radius: 60px;
            top: 0;
            left: 0;
            z-index: -1;
            animation: mtq8-ripple 2s infinite;
        }
        @keyframes mtq8-ripple {
            0% { transform: scale(1); opacity: 0.5; }
            100% { transform: scale(1.3); opacity: 0; }
        }