:root {
            --qdmij8-primary: #3d7fff;
            --qdmij8-secondary: #00e5ff;
            --qdmij8-bg: #050505;
            --qdmij8-surface: #111111;
            --qdmij8-text: #e0e0e0;
            --qdmij8-text-dim: #999999;
            --qdmij8-border: rgba(255, 255, 255, 0.1);
            --qdmij8-accent-gradient: linear-gradient(135deg, #3d7fff 0%, #00e5ff 100%);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background-color: var(--qdmij8-bg);
            color: var(--qdmij8-text);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 导航栏样式 */
        .qdmij8-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(5, 5, 5, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--qdmij8-border);
        }

        .qdmij8-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 2rem;
        }

        .qdmij8-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .qdmij8-logo img {
            height: 32px;
            width: auto;
            display: block;
        }

        .qdmij8-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 1.5rem;
            min-width: 0;
        }

        .qdmij8-menu a {
            text-decoration: none;
            color: var(--qdmij8-text-dim);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

        .qdmij8-menu a:hover, .qdmij8-menu a.active {
            color: var(--qdmij8-primary);
        }

        /* 主容器 */
        .qdmij8-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Hero 区块 - 独特非对称布局 */
        .qdmij8-hero {
            padding: 160px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .qdmij8-hero-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .qdmij8-hero-content {
            flex: 1;
            min-width: 320px;
        }

        .qdmij8-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(to bottom, #fff 40%, #888 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: break-word;
        }

        .qdmij8-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--qdmij8-text-dim);
            max-width: 600px;
            margin-bottom: 40px;
            overflow-wrap: break-word;
        }

        .qdmij8-hero-visual {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .qdmij8-vs-card {
            background: var(--qdmij8-surface);
            border: 1px solid var(--qdmij8-border);
            border-radius: 24px;
            padding: 32px;
            position: relative;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
        }

        .qdmij8-vs-badge {
            position: absolute;
            top: -20px;
            right: 40px;
            background: var(--qdmij8-accent-gradient);
            color: #000;
            padding: 8px 24px;
            border-radius: 50px;
            font-weight: bold;
            font-size: 0.8rem;
            text-transform: uppercase;
        }

        /* 核心对比网格 */
        .qdmij8-compare-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin: 80px 0;
        }

        .qdmij8-pillar-card {
            background: var(--qdmij8-surface);
            border: 1px solid var(--qdmij8-border);
            border-radius: 16px;
            padding: 32px;
            transition: transform 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 16px;
            min-width: 0;
        }

        .qdmij8-pillar-card:hover {
            transform: translateY(-8px);
            border-color: var(--qdmij8-primary);
        }

        .qdmij8-pillar-tag {
            display: inline-flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .qdmij8-tag {
            background: rgba(61, 127, 255, 0.1);
            color: var(--qdmij8-primary);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .qdmij8-pillar-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
        }

        .qdmij8-pillar-desc {
            font-size: 0.95rem;
            color: var(--qdmij8-text-dim);
            word-break: break-word;
        }

        .qdmij8-pillar-metric {
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid var(--qdmij8-border);
            color: var(--qdmij8-secondary);
            font-weight: 700;
            font-size: 0.9rem;
        }

        /* 非对称流体布局区块 */
        .qdmij8-feature-section {
            padding: 96px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .qdmij8-feature-section.reverse {
            flex-direction: row-reverse;
        }

        .qdmij8-feature-text {
            flex: 1;
            min-width: 300px;
        }

        .qdmij8-feature-visual-box {
            flex: 1.2;
            min-width: 300px;
            background: #1a1a1a;
            border-radius: 12px;
            aspect-ratio: 16/10;
            border: 1px solid var(--qdmij8-border);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 模拟代码界面 */
        .qdmij8-code-mockup {
            width: 90%;
            height: 80%;
            background: #0d0d0d;
            border-radius: 8px;
            padding: 20px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            color: #888;
            position: relative;
        }

        .qdmij8-code-ai-line {
            background: rgba(0, 229, 255, 0.1);
            border-left: 2px solid var(--qdmij8-secondary);
            color: var(--qdmij8-secondary);
            padding-left: 10px;
            margin: 10px 0;
        }

        /* 对比矩阵表格 */
        .qdmij8-matrix-section {
            margin: 80px 0;
            background: var(--qdmij8-surface);
            border-radius: 24px;
            padding: 48px;
            border: 1px solid var(--qdmij8-border);
        }

        .qdmij8-matrix-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 32px;
        }

        .qdmij8-matrix-table th, .qdmij8-matrix-table td {
            padding: 20px;
            text-align: left;
            border-bottom: 1px solid var(--qdmij8-border);
        }

        .qdmij8-matrix-table th {
            color: var(--qdmij8-text-dim);
            font-weight: 500;
            font-size: 0.85rem;
        }

        .qdmij8-matrix-table td strong {
            color: #fff;
        }

        .qdmij8-matrix-table .highlight {
            color: var(--qdmij8-secondary);
            font-weight: 700;
        }

        /* 底部 CTA */
        .qdmij8-cta {
            text-align: center;
            padding: 120px 24px;
            background: radial-gradient(circle at center, rgba(61, 127, 255, 0.15) 0%, transparent 70%);
        }

        .qdmij8-btn {
            display: inline-block;
            padding: 16px 40px;
            background: var(--qdmij8-accent-gradient);
            color: #000;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .qdmij8-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 0 30px rgba(61, 127, 255, 0.4);
        }

        /* 页脚 */
        .qdmij8-footer {
            border-top: 1px solid var(--qdmij8-border);
            padding: 64px 24px;
            text-align: center;
        }

        .qdmij8-footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 16px;
            color: #fff;
        }

        .qdmij8-footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
        }

        .qdmij8-footer-links a {
            color: var(--qdmij8-text-dim);
            text-decoration: none;
            font-size: 0.9rem;
        }

        .qdmij8-copyright {
            color: #555;
            font-size: 0.8rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .qdmij8-nav-container {
                padding: 1rem;
            }
            .qdmij8-menu {
                display: none; /* 简化移动端，实际可加汉堡菜单 */
            }
            .qdmij8-hero-split {
                flex-direction: column;
                text-align: center;
            }
            .qdmij8-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .qdmij8-matrix-section {
                padding: 24px;
                overflow-x: auto;
            }
            .qdmij8-feature-section {
                padding: 48px 0;
            }
        }

        /* 动态内容标记 */
        .qdmij8-news-section {
            padding: 64px 0;
        }