:root {
            --qdmij8-primary: #3D7BFF;
            --qdmij8-accent: #00F5FF;
            --qdmij8-bg: #0B0D0E;
            --qdmij8-card-bg: #16191B;
            --qdmij8-text: #E0E0E0;
            --qdmij8-text-dim: #9FA2A6;
            --qdmij8-border: rgba(255, 255, 255, 0.1);
            --qdmij8-font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --qdmij8-font-mono: 'JetBrains Mono', monospace;
        }

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

        body {
            background-color: var(--qdmij8-bg);
            color: var(--qdmij8-text);
            font-family: var(--qdmij8-font-main);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 导航栏样式 */
        .qdmij8-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 13, 14, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--qdmij8-border);
            padding: 0 5%;
        }

        .qdmij8-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            flex-wrap: wrap;
        }

        .qdmij8-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

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

        .qdmij8-nav-menu {
            display: flex;
            list-style: none;
            gap: 20px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .qdmij8-nav-menu li a {
            color: var(--qdmij8-text-dim);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

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

        /* 容器定义 */
        .qdmij8-section-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 40px;
            width: 100%;
        }

        /* Hero 区块 - 全屏对角线分割感 */
        .qdmij8-hero {
            position: relative;
            padding: 160px 0 100px;
            overflow: hidden;
            display: flex;
            align-items: center;
            min-height: 80vh;
        }

        .qdmij8-hero-content {
            flex: 1;
            min-width: 320px;
            z-index: 2;
        }

        .qdmij8-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            background: linear-gradient(135deg, #fff 30%, var(--qdmij8-primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 24px;
            word-break: keep-all;
        }

        .qdmij8-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
            color: var(--qdmij8-text-dim);
            max-width: 700px;
            margin-bottom: 40px;
        }

        .qdmij8-hero-visual {
            position: absolute;
            right: -10%;
            top: 50%;
            transform: translateY(-50%) rotate(-5deg);
            width: 50%;
            height: 600px;
            background: radial-gradient(circle, rgba(61, 123, 255, 0.15) 0%, transparent 70%);
            border: 1px solid rgba(61, 123, 255, 0.2);
            border-radius: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1;
        }

        .qdmij8-scan-line {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--qdmij8-accent);
            box-shadow: 0 0 20px var(--qdmij8-accent);
            animation: qdmij8-scanning 4s infinite linear;
        }

        /* 核心支柱区块 - 非对称网格 */
        .qdmij8-pillars {
            padding: 100px 0;
            background: linear-gradient(to bottom, transparent, rgba(61, 123, 255, 0.05));
        }

        .qdmij8-pillar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
            margin-top: 64px;
        }

        .qdmij8-pillar-card {
            background: var(--qdmij8-card-bg);
            border: 1px solid var(--qdmij8-border);
            padding: 48px;
            border-radius: 24px;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            min-width: 0;
        }

        .qdmij8-pillar-card:hover {
            transform: translateY(-12px);
            border-color: var(--qdmij8-primary);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }

        .qdmij8-pillar-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(61, 123, 255, 0.1);
            color: var(--qdmij8-primary);
            font-size: 12px;
            border-radius: 100px;
            margin-bottom: 20px;
            font-family: var(--qdmij8-font-mono);
        }

        .qdmij8-pillar-title {
            font-size: 28px;
            margin-bottom: 16px;
            color: #fff;
        }

        .qdmij8-pillar-desc {
            color: var(--qdmij8-text-dim);
            font-size: 16px;
            margin-bottom: 24px;
        }

        .qdmij8-pillar-metric {
            font-size: 32px;
            font-weight: 700;
            color: var(--qdmij8-accent);
            border-top: 1px solid var(--qdmij8-border);
            padding-top: 20px;
        }

        /* 技术详情区块 - 侧边大图对比 */
        .qdmij8-tech-section {
            padding: 120px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .qdmij8-tech-text {
            flex: 1;
            min-width: 320px;
        }

        .qdmij8-tech-visual {
            flex: 1.2;
            min-width: 320px;
            background: #000;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--qdmij8-border);
            box-shadow: inset 0 0 100px rgba(61, 123, 255, 0.1);
        }

        .qdmij8-code-snippet {
            font-family: var(--qdmij8-font-mono);
            font-size: 14px;
            color: #888;
            line-height: 1.8;
        }

        .qdmij8-highlight {
            color: var(--qdmij8-accent);
            background: rgba(0, 245, 255, 0.1);
            padding: 2px 4px;
            border-radius: 4px;
        }

        /* 动态内容区块 */
        .qdmij8-news-section {
            padding: 80px 0;
            border-top: 1px solid var(--qdmij8-border);
        }

        .qdmij8-news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }

        /* 页脚样式 */
        .qdmij8-footer {
            padding: 80px 0 40px;
            background: #050607;
            border-top: 1px solid var(--qdmij8-border);
        }

        .qdmij8-footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
        }

        .qdmij8-footer-brand {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            min-width: 200px;
        }

        .qdmij8-footer-links {
            display: flex;
            gap: 60px;
            flex-wrap: wrap;
        }

        .qdmij8-footer-group h4 {
            margin-bottom: 20px;
            font-size: 16px;
            color: #fff;
        }

        .qdmij8-footer-group ul {
            list-style: none;
        }

        .qdmij8-footer-group ul li {
            margin-bottom: 12px;
        }

        .qdmij8-footer-group ul li a {
            color: var(--qdmij8-text-dim);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .qdmij8-footer-group ul li a:hover {
            color: var(--qdmij8-accent);
        }

        /* 动画 */
        @keyframes qdmij8-scanning {
            0% { top: 0; opacity: 0; }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% { top: 100%; opacity: 0; }
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .qdmij8-nav-container {
                height: auto;
                padding: 15px 0;
                flex-direction: column;
                gap: 15px;
            }
            .qdmij8-nav-menu {
                justify-content: center;
                gap: 12px;
            }
            .qdmij8-hero {
                padding-top: 140px;
                text-align: center;
            }
            .qdmij8-hero-visual {
                display: none;
            }
            .qdmij8-pillar-grid {
                grid-template-columns: 1fr;
            }
            .qdmij8-tech-section {
                flex-direction: column;
            }
        }