:root {
            --mtq8-primary: #D44027;
            --mtq8-primary-light: #FFEDED;
            --mtq8-secondary: #1E66D5;
            --mtq8-dark: #2C3E50;
            --mtq8-text: #4A5568;
            --mtq8-bg-soft: #F7FAFC;
            --mtq8-white: #FFFFFF;
            --mtq8-radius: 16px;
            --mtq8-shadow: 0 10px 30px rgba(0,0,0,0.05);
            --mtq8-transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

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

        body {
            font-family: "Inter", "Microsoft YaHei", sans-serif;
            color: var(--mtq8-text);
            background-color: var(--mtq8-white);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* Layout & Container */
        .mtq8-container {
            width: 92vw;
            max-width: 1300px;
            margin: 0 auto;
            position: relative;
        }

        /* Typography */
        h1, h2, h3 {
            color: var(--mtq8-dark);
            font-weight: 700;
            line-height: 1.2;
            word-break: keep-all;
            white-space: normal;
        }

        h1 { font-size: clamp(2rem, 5vw + 1rem, 3.5rem); }
        h2 { font-size: clamp(1.5rem, 3vw + 1rem, 2.5rem); }
        p { font-size: clamp(1rem, 2vw + 0.5rem, 1.125rem); word-break: break-word; overflow-wrap: break-word; }

        /* Navigation */
        .mtq8-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 16px 0;
        }

        .mtq8-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .mtq8-logo {
            min-width: 0;
            flex-shrink: 0;
        }

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

        .mtq8-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            align-items: center;
        }

        .mtq8-nav-item a {
            text-decoration: none;
            color: var(--mtq8-text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--mtq8-transition);
            position: relative;
        }

        .mtq8-nav-item a:hover {
            color: var(--mtq8-primary);
        }

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

        .mtq8-nav-item a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--mtq8-primary);
        }

        /* Hero Section */
        .mtq8-hero {
            padding: 160px 0 96px;
            background: radial-gradient(circle at top right, var(--mtq8-primary-light), transparent 40%),
                        linear-gradient(135deg, #fff 0%, #f1f4f8 100%);
            position: relative;
            overflow: hidden;
        }

        .mtq8-hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .mtq8-hero-content {
            flex: 1;
            min-width: 320px;
        }

        .mtq8-hero-badge {
            display: inline-block;
            background: var(--mtq8-primary);
            color: white;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.875rem;
            margin-bottom: 24px;
            font-weight: 600;
        }

        .mtq8-hero-subtitle {
            margin: 24px 0 40px;
            color: var(--mtq8-text);
            max-width: 600px;
        }

        .mtq8-hero-visual {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .mtq8-download-box {
            background: var(--mtq8-white);
            padding: 40px;
            border-radius: var(--mtq8-radius);
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
            border: 1px solid rgba(212, 64, 39, 0.1);
            position: relative;
            z-index: 2;
        }

        .mtq8-btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--mtq8-primary) 0%, #E65A43 100%);
            color: white;
            padding: 18px 48px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.125rem;
            transition: var(--mtq8-transition);
            box-shadow: 0 8px 20px rgba(212, 64, 39, 0.3);
            text-align: center;
            width: 100%;
        }

        .mtq8-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(212, 64, 39, 0.4);
        }

        /* Features Section */
        .mtq8-section {
            padding: 96px 0;
        }

        .mtq8-section-header {
            text-align: center;
            margin-bottom: 64px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .mtq8-workflow-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
        }

        .mtq8-feature-card {
            background: var(--mtq8-bg-soft);
            padding: 48px;
            border-radius: var(--mtq8-radius);
            transition: var(--mtq8-transition);
            border: 1px solid transparent;
            min-width: 0;
        }

        .mtq8-feature-card:hover {
            background: var(--mtq8-white);
            border-color: var(--mtq8-primary-light);
            box-shadow: var(--mtq8-shadow);
            transform: translateY(-8px);
        }

        .mtq8-feature-title {
            margin-bottom: 16px;
            color: var(--mtq8-primary);
        }

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

        .mtq8-capability-item {
            padding: 8px 0;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            font-size: 0.95rem;
        }

        /* Metrics Section */
        .mtq8-metrics-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }

        .mtq8-metric-item {
            flex: 1;
            min-width: 260px;
            background: var(--mtq8-dark);
            color: white;
            padding: 40px;
            border-radius: var(--mtq8-radius);
            text-align: center;
        }

        .mtq8-metric-value {
            font-size: 3.5rem;
            font-weight: 800;
            display: block;
            color: var(--mtq8-primary);
            margin-bottom: 8px;
        }

        .mtq8-metric-name {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .mtq8-metric-context {
            font-size: 0.875rem;
            opacity: 0.7;
        }

        /* CTA Section */
        .mtq8-cta {
            background: linear-gradient(135deg, var(--mtq8-secondary) 0%, #0D47A1 100%);
            color: white;
            padding: 80px 0;
            text-align: center;
            border-radius: 32px;
            margin: 64px auto;
            width: 92vw;
            max-width: 1300px;
        }

        .mtq8-cta h2 { color: white; margin-bottom: 24px; }

        /* Footer */
        .mtq8-footer {
            background: #F1F4F8;
            padding: 80px 0 40px;
            margin-top: 64px;
        }

        .mtq8-footer-content {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            justify-content: space-between;
            margin-bottom: 48px;
        }

        .mtq8-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .mtq8-brand-name {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--mtq8-dark);
            margin-bottom: 16px;
        }

        .mtq8-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

        .mtq8-footer-column h4 {
            margin-bottom: 24px;
            font-size: 1rem;
        }

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

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

        .mtq8-footer-column a {
            text-decoration: none;
            color: var(--mtq8-text);
            font-size: 0.9rem;
            transition: var(--mtq8-transition);
        }

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

        .mtq8-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
            font-size: 0.875rem;
            color: #94A3B8;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .mtq8-nav-menu {
                display: none; /* Simplification for mobile */
            }
            .mtq8-hero { padding-top: 120px; }
            .mtq8-hero-visual { order: -1; }
            .mtq8-download-box { padding: 24px; }
            .mtq8-metric-item { flex: 100%; }
        }