:root {
            --lbqr81-primary: #0056b3;
            --lbqr81-secondary: #00a8ff;
            --lbqr81-dark: #1a1c20;
            --lbqr81-light: #f8fafc;
            --lbqr81-accent: #eef2f7;
            --lbqr81-text: #2d3436;
            --lbqr81-gray: #636e72;
            --lbqr81-spacing: 8px;
            --lbqr81-radius: 12px;
            --lbqr81-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

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

        body {
            font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: var(--lbqr81-text);
            background-color: #ffffff;
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .lbqr81-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 16px 0;
        }

        .lbqr81-nav-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .lbqr81-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .lbqr81-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .lbqr81-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .lbqr81-menu li a {
            text-decoration: none;
            color: var(--lbqr81-text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

        .lbqr81-menu li a:hover, .lbqr81-menu li a.active {
            color: var(--lbqr81-primary);
        }

        /* Hero 区 - 独特对角线布局 */
        .lbqr81-hero {
            padding: 160px 24px 100px;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            position: relative;
            overflow: hidden;
        }

        .lbqr81-hero-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 48px;
        }

        .lbqr81-hero-content {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .lbqr81-hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--lbqr81-dark);
        }

        .lbqr81-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--lbqr81-gray);
            max-width: 600px;
            margin-bottom: 32px;
        }

        /* 核心步骤 - 卡片式布局 */
        .lbqr81-section {
            padding: 80px 24px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .lbqr81-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .lbqr81-section-title {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 16px;
        }

        .lbqr81-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .lbqr81-card {
            background: #fff;
            padding: 40px;
            border-radius: var(--lbqr81-radius);
            box-shadow: var(--lbqr81-shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(0,0,0,0.03);
            min-width: 0;
            word-break: break-word;
        }

        .lbqr81-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .lbqr81-card-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--lbqr81-accent);
            line-height: 1;
            margin-bottom: 16px;
        }

        .lbqr81-card-title {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--lbqr81-primary);
        }

        /* 插件类型详解 - 侧边图文 */
        .lbqr81-plugin-types {
            background: var(--lbqr81-light);
            padding: 96px 24px;
        }

        .lbqr81-type-item {
            max-width: 1100px;
            margin: 0 auto 64px;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .lbqr81-type-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .lbqr81-type-content {
            flex: 1;
            min-width: 300px;
        }

        .lbqr81-type-visual {
            flex: 1;
            min-width: 300px;
            background: #fff;
            padding: 40px;
            border-radius: 20px;
            border-left: 8px solid var(--lbqr81-primary);
            box-shadow: var(--lbqr81-shadow);
        }

        .lbqr81-type-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--lbqr81-primary);
            color: #fff;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        /* 运维同步流程 */
        .lbqr81-workflow {
            padding: 96px 24px;
        }

        .lbqr81-workflow-box {
            background: var(--lbqr81-dark);
            color: #fff;
            border-radius: 24px;
            padding: 64px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .lbqr81-workflow-list {
            list-style: none;
            margin-top: 32px;
        }

        .lbqr81-workflow-list li {
            padding: 16px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        /* 页脚 */
        .lbqr81-footer {
            background: #fff;
            padding: 80px 24px 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .lbqr81-footer-content {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 48px;
        }

        .lbqr81-footer-brand {
            flex: 1;
            min-width: 250px;
        }

        .lbqr81-footer-brand h2 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--lbqr81-primary);
        }

        .lbqr81-footer-links {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }

        .lbqr81-footer-group h4 {
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .lbqr81-footer-group ul {
            list-style: none;
        }

        .lbqr81-footer-group ul li {
            margin-bottom: 12px;
        }

        .lbqr81-footer-group ul li a {
            text-decoration: none;
            color: var(--lbqr81-gray);
            transition: color 0.3s;
        }

        .lbqr81-footer-bottom {
            max-width: 1100px;
            margin: 40px auto 0;
            padding-top: 24px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            color: var(--lbqr81-gray);
            font-size: 0.9rem;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .lbqr81-nav-container {
                flex-direction: column;
                gap: 16px;
            }
            .lbqr81-menu {
                justify-content: center;
                gap: 12px;
            }
            .lbqr81-hero {
                padding-top: 200px;
                text-align: center;
            }
            .lbqr81-hero-inner {
                justify-content: center;
            }
            .lbqr81-workflow-box {
                padding: 32px;
            }
        }