:root {
            --mii0qx-primary: #D42323;
            --mii0qx-secondary: #333333;
            --mii0qx-accent: #f5f5f7;
            --mii0qx-text: #1d1d1f;
            --mii0qx-bg: #ffffff;
            --mii0qx-key-bg: linear-gradient(180deg, #ffffff 0%, #f0f0f0 100%);
            --mii0qx-shadow: 0 4px 12px rgba(0,0,0,0.08);
            --mii0qx-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--mii0qx-text);
            background-color: var(--mii0qx-bg);
            line-height: 1.6;
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .mii0qx-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .mii0qx-nav-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .mii0qx-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .mii0qx-logo img {
            height: 32px;
            width: auto;
        }

        .mii0qx-nav-menu {
            display: flex;
            list-style: none;
            gap: 24px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .mii0qx-nav-link {
            text-decoration: none;
            color: var(--mii0qx-text);
            font-size: 15px;
            font-weight: 500;
            transition: var(--mii0qx-transition);
            white-space: nowrap;
        }

        .mii0qx-nav-link:hover {
            color: var(--mii0qx-primary);
        }

        .mii0qx-nav-link.active {
            color: var(--mii0qx-primary);
            position: relative;
        }

        .mii0qx-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -21px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--mii0qx-primary);
        }

        /* Hero 区块 */
        .mii0qx-hero {
            padding: 160px 24px 80px;
            background: radial-gradient(circle at top right, #fff5f5 0%, #ffffff 50%);
            text-align: center;
        }

        .mii0qx-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .mii0qx-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 24px;
            line-height: 1.1;
            color: var(--mii0qx-secondary);
            word-break: break-word;
        }

        .mii0qx-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.4rem);
            color: #666;
            max-width: 700px;
            margin: 0 auto 48px;
            word-break: break-word;
        }

        /* 搜索框 */
        .mii0qx-search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
            background: #fff;
            padding: 8px;
            border-radius: 50px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
        }

        .mii0qx-search-input {
            flex: 1;
            border: none;
            padding: 12px 24px;
            font-size: 18px;
            outline: none;
            background: transparent;
            min-width: 0;
        }

        .mii0qx-search-btn {
            background: var(--mii0qx-primary);
            color: white;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--mii0qx-transition);
        }

        .mii0qx-search-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(212, 35, 35, 0.3);
        }

        /* 核心内容区布局 */
        .mii0qx-main-layout {
            max-width: 1300px;
            margin: 0 auto;
            padding: 64px 24px;
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 48px;
        }

        /* 侧边分类 */
        .mii0qx-sidebar {
            position: sticky;
            top: 100px;
            height: fit-content;
        }

        .mii0qx-side-nav {
            list-style: none;
        }

        .mii0qx-side-item {
            margin-bottom: 8px;
        }

        .mii0qx-side-link {
            display: block;
            padding: 16px 24px;
            text-decoration: none;
            color: #555;
            border-radius: 12px;
            font-weight: 500;
            transition: var(--mii0qx-transition);
        }

        .mii0qx-side-link:hover, .mii0qx-side-link.active {
            background: var(--mii0qx-accent);
            color: var(--mii0qx-primary);
        }

        /* 快捷键卡片网格 */
        .mii0qx-content-section {
            min-width: 0;
        }

        .mii0qx-category-title {
            font-size: 28px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .mii0qx-shortcut-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
            margin-bottom: 64px;
        }

        .mii0qx-card {
            background: #fff;
            border: 1px solid #eee;
            border-radius: 16px;
            padding: 24px;
            transition: var(--mii0qx-transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .mii0qx-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--mii0qx-shadow);
            border-color: var(--mii0qx-primary);
        }

        .mii0qx-card-info h4 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--mii0qx-secondary);
        }

        .mii0qx-card-info p {
            font-size: 14px;
            color: #666;
            margin-bottom: 20px;
            word-break: break-word;
        }

        .mii0qx-key-combo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .mii0qx-key {
            background: var(--mii0qx-key-bg);
            border: 1px solid #d1d1d1;
            border-bottom: 3px solid #ccc;
            border-radius: 6px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 700;
            color: #444;
            min-width: 36px;
            text-align: center;
            box-shadow: 0 2px 0 rgba(0,0,0,0.05);
        }

        .mii0qx-plus {
            font-weight: 700;
            color: #999;
        }

        /* 生态矩阵区块 */
        .mii0qx-matrix-section {
            background: var(--mii0qx-accent);
            padding: 96px 24px;
        }

        .mii0qx-matrix-container {
            max-width: 1100px;
            margin: 0 auto;
        }

        .mii0qx-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .mii0qx-matrix-item {
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            min-width: 0;
        }

        .mii0qx-matrix-tag {
            color: var(--mii0qx-primary);
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            margin-bottom: 16px;
            display: block;
        }

        .mii0qx-matrix-points {
            list-style: none;
            margin-top: 24px;
        }

        .mii0qx-matrix-points li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 15px;
            color: #444;
        }

        .mii0qx-matrix-points li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--mii0qx-primary);
            font-weight: bold;
        }

        /* 行业解决方案 */
        .mii0qx-solution-section {
            padding: 96px 24px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .mii0qx-solution-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 48px;
        }

        .mii0qx-solution-card {
            flex: 1;
            min-width: 300px;
            background: #f9f9fb;
            border-radius: 20px;
            padding: 32px;
            border: 1px solid transparent;
            transition: var(--mii0qx-transition);
        }

        .mii0qx-solution-card:hover {
            border-color: #ddd;
            background: #fff;
        }

        /* 页脚 */
        .mii0qx-footer {
            background: #111;
            color: #fff;
            padding: 80px 24px 40px;
        }

        .mii0qx-footer-grid {
            max-width: 1300px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            border-bottom: 1px solid #333;
            padding-bottom: 60px;
        }

        .mii0qx-footer-brand h3 {
            font-size: 20px;
            margin-bottom: 20px;
        }

        .mii0qx-footer-links h4 {
            font-size: 16px;
            margin-bottom: 24px;
            color: #999;
        }

        .mii0qx-footer-links ul {
            list-style: none;
        }

        .mii0qx-footer-links li {
            margin-bottom: 12px;
        }

        .mii0qx-footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--mii0qx-transition);
        }

        .mii0qx-footer-links a:hover {
            color: #fff;
        }

        .mii0qx-copyright {
            max-width: 1300px;
            margin: 40px auto 0;
            text-align: center;
            font-size: 14px;
            color: #666;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .mii0qx-main-layout {
                grid-template-columns: 1fr;
            }
            .mii0qx-sidebar {
                position: relative;
                top: 0;
                margin-bottom: 32px;
            }
            .mii0qx-side-nav {
                display: flex;
                overflow-x: auto;
                padding-bottom: 8px;
                gap: 8px;
            }
            .mii0qx-side-link {
                white-space: nowrap;
            }
        }

        @media (max-width: 768px) {
            .mii0qx-nav-menu {
                display: none; /* 简化移动端显示 */
            }
            .mii0qx-hero-title {
                font-size: 32px;
            }
            .mii0qx-shortcut-grid {
                grid-template-columns: 1fr;
            }
        }