:root {
            --mtq8-primary: #D11111;
            --mtq8-primary-hover: #B00E0E;
            --mtq8-secondary: #0052CC;
            --mtq8-text-dark: #1D1D1F;
            --mtq8-text-light: #86868B;
            --mtq8-bg-light: #F5F5F7;
            --mtq8-white: #FFFFFF;
            --mtq8-max-width: 1400px;
            --mtq8-transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

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

        /* 导航栏设计 */
        .mtq8-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .mtq8-nav-container {
            max-width: var(--mtq8-max-width);
            margin: 0 auto;
            padding: 0 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 64px;
            flex-wrap: wrap;
        }

        .mtq8-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .mtq8-logo img {
            height: 32px;
            width: auto;
        }

        .mtq8-nav-menu {
            display: flex;
            list-style: none;
            gap: 24px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .mtq8-nav-item a {
            text-decoration: none;
            color: var(--mtq8-text-dark);
            font-size: 14px;
            font-weight: 500;
            transition: var(--mtq8-transition);
            white-space: nowrap;
        }

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

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

        .mtq8-nav-item.mtq8-active a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--mtq8-primary);
        }

        /* Hero 区块 - 独特非对称布局 */
        .mtq8-hero {
            padding: 160px 48px 96px;
            background: radial-gradient(circle at 80% 20%, #FFF5F5 0%, #FFFFFF 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 80vh;
        }

        .mtq8-hero-inner {
            max-width: var(--mtq8-max-width);
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

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

        .mtq8-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 700;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #1D1D1F 0%, #D11111 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .mtq8-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--mtq8-text-light);
            margin-bottom: 48px;
            max-width: 600px;
        }

        .mtq8-hero-visual {
            flex: 1.2;
            min-width: 320px;
            position: relative;
        }

        .mtq8-hero-card {
            background: var(--mtq8-white);
            border-radius: 32px;
            padding: 40px;
            box-shadow: 0 40px 100px rgba(0,0,0,0.08);
            border: 1px solid rgba(0,0,0,0.03);
            text-align: center;
        }

        .mtq8-download-btn {
            display: inline-block;
            background: var(--mtq8-primary);
            color: var(--mtq8-white);
            padding: 20px 64px;
            border-radius: 100px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--mtq8-transition);
            box-shadow: 0 10px 30px rgba(209, 17, 17, 0.3);
        }

        .mtq8-download-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(209, 17, 17, 0.4);
            background: var(--mtq8-primary-hover);
        }

        /* 协作引擎区块 - 动态网格 */
        .mtq8-section {
            padding: 96px 48px;
            max-width: var(--mtq8-max-width);
            margin: 0 auto;
        }

        .mtq8-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .mtq8-section-title {
            font-size: clamp(1.8rem, 3vw, 2.8rem);
            margin-bottom: 16px;
        }

        .mtq8-workflow-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 32px;
        }

        .mtq8-workflow-card {
            background: var(--mtq8-bg-light);
            border-radius: 24px;
            padding: 48px;
            transition: var(--mtq8-transition);
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .mtq8-workflow-card:hover {
            background: var(--mtq8-white);
            box-shadow: 0 20px 60px rgba(0,0,0,0.06);
            transform: translateY(-8px);
        }

        .mtq8-card-tag {
            color: var(--mtq8-primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
            display: block;
        }

        .mtq8-card-title {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .mtq8-card-desc {
            color: var(--mtq8-text-light);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .mtq8-capability-list {
            list-style: none;
            border-top: 1px solid rgba(0,0,0,0.1);
            padding-top: 24px;
        }

        .mtq8-capability-item {
            padding: 8px 0;
            font-size: 15px;
            color: var(--mtq8-text-dark);
            display: flex;
            align-items: center;
        }

        .mtq8-capability-item::before {
            content: "•";
            color: var(--mtq8-primary);
            font-weight: bold;
            margin-right: 12px;
        }

        /* 效率指标区块 */
        .mtq8-metrics-section {
            background: var(--mtq8-text-dark);
            color: var(--mtq8-white);
            padding: 120px 48px;
            border-radius: 64px;
            margin: 48px;
            text-align: center;
        }

        .mtq8-metrics-container {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            justify-content: space-around;
            gap: 48px;
            flex-wrap: wrap;
        }

        .mtq8-metric-item {
            flex: 1;
            min-width: 240px;
        }

        .mtq8-metric-value {
            font-size: 80px;
            font-weight: 700;
            color: var(--mtq8-primary);
            margin-bottom: 8px;
            display: block;
        }

        .mtq8-metric-name {
            font-size: 20px;
            margin-bottom: 12px;
            display: block;
        }

        .mtq8-metric-context {
            font-size: 14px;
            color: #A1A1A6;
            line-height: 1.5;
        }

        /* 底部设计 */
        .mtq8-footer {
            background: var(--mtq8-bg-light);
            padding: 96px 48px 48px;
            margin-top: 96px;
        }

        .mtq8-footer-inner {
            max-width: var(--mtq8-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 64px;
        }

        .mtq8-footer-brand {
            flex: 1.5;
            min-width: 300px;
        }

        .mtq8-footer-brand-name {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 24px;
            display: block;
        }

        .mtq8-footer-links {
            flex: 2;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 32px;
            min-width: 300px;
        }

        .mtq8-footer-column h4 {
            margin-bottom: 24px;
            font-size: 16px;
        }

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

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

        .mtq8-footer-column a {
            text-decoration: none;
            color: var(--mtq8-text-light);
            transition: var(--mtq8-transition);
            font-size: 14px;
        }

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

        .mtq8-copyright {
            width: 100%;
            padding-top: 48px;
            margin-top: 48px;
            border-top: 1px solid rgba(0,0,0,0.1);
            font-size: 12px;
            color: var(--mtq8-text-light);
            text-align: center;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .mtq8-nav-container { padding: 0 24px; height: auto; padding-top: 16px; }
            .mtq8-nav-menu { padding: 16px 0; justify-content: center; width: 100%; }
            .mtq8-hero { padding: 120px 24px 64px; }
            .mtq8-metrics-section { margin: 24px; padding: 64px 24px; border-radius: 32px; }
            .mtq8-section { padding: 64px 24px; }
            .mtq8-workflow-grid { grid-template-columns: 1fr; }
        }