:root {
            --i0sbar-primary: #4a5568;
            --i0sbar-accent: #3182ce;
            --i0sbar-bg: #f7fafc;
            --i0sbar-card-bg: #ffffff;
            --i0sbar-text: #2d3748;
            --i0sbar-text-light: #718096;
            --i0sbar-border: #e2e8f0;
            --i0sbar-spacing-unit: 8px;
            --i0sbar-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            --i0sbar-container-width: 1100px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--i0sbar-bg);
            color: var(--i0sbar-text);
            line-height: 1.8;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 导航栏设计 */
        .i0sbar-nav-wrapper {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--i0sbar-border);
            transition: all 0.3s ease;
        }

        .i0sbar-nav-container {
            max-width: var(--i0sbar-container-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            flex-wrap: wrap;
        }

        .i0sbar-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .i0sbar-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .i0sbar-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
            min-width: 0;
        }

        .i0sbar-menu-item a {
            text-decoration: none;
            color: var(--i0sbar-text);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .i0sbar-menu-item a:hover {
            color: var(--i0sbar-accent);
            background: rgba(49, 130, 206, 0.05);
        }

        .i0sbar-menu-item a.i0sbar-active {
            color: var(--i0sbar-accent);
            background: rgba(49, 130, 206, 0.1);
        }

        /* Hero 区块 - 独特非对称布局 */
        .i0sbar-hero {
            padding: 96px 24px;
            background: linear-gradient(135deg, #ffffff 0%, #edf2f7 100%);
            overflow: hidden;
            position: relative;
        }

        .i0sbar-hero-inner {
            max-width: var(--i0sbar-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .i0sbar-hero-content {
            flex: 1;
            min-width: 300px;
        }

        .i0sbar-hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            color: #1a202c;
            margin-bottom: 24px;
            font-weight: 800;
        }

        .i0sbar-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--i0sbar-text-light);
            margin-bottom: 32px;
            max-width: 600px;
        }

        /* 核心配置步骤卡片流 */
        .i0sbar-config-flow {
            padding: 96px 24px;
            max-width: var(--i0sbar-container-width);
            margin: 0 auto;
        }

        .i0sbar-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .i0sbar-section-header h2 {
            font-size: 2.5rem;
            margin-bottom: 16px;
        }

        .i0sbar-step-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .i0sbar-card {
            background: var(--i0sbar-card-bg);
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--i0sbar-shadow);
            border: 1px solid var(--i0sbar-border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
        }

        .i0sbar-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
        }

        .i0sbar-card-number {
            position: absolute;
            top: -20px;
            left: 40px;
            background: var(--i0sbar-accent);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .i0sbar-card h3 {
            margin-top: 8px;
            margin-bottom: 16px;
            font-size: 1.5rem;
        }

        /* 工作流场景 - 特色横向区块 */
        .i0sbar-workflow-section {
            background: #1a202c;
            color: white;
            padding: 80px 24px;
            margin: 64px 0;
        }

        .i0sbar-workflow-inner {
            max-width: var(--i0sbar-container-width);
            margin: 0 auto;
        }

        .i0sbar-workflow-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 48px;
        }

        .i0sbar-workflow-item {
            flex: 1;
            min-width: 280px;
            background: rgba(255, 255, 255, 0.05);
            padding: 32px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .i0sbar-workflow-item h4 {
            color: #63b3ed;
            margin-bottom: 12px;
            font-size: 1.1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* 教程内容区 */
        .i0sbar-content-body {
            max-width: 900px;
            margin: 0 auto;
            padding: 64px 24px;
        }

        .i0sbar-rich-text h2 {
            font-size: 2rem;
            margin: 48px 0 24px;
            padding-left: 16px;
            border-left: 4px solid var(--i0sbar-accent);
        }

        .i0sbar-rich-text p {
            margin-bottom: 24px;
            font-size: 1.1rem;
            color: #4a5568;
        }

        .i0sbar-code-block {
            background: #2d3748;
            color: #edf2f7;
            padding: 24px;
            border-radius: 8px;
            font-family: monospace;
            margin: 24px 0;
            overflow-x: auto;
        }

        /* 动态区块标记样式 */
        .i0sbar-dynamic-section {
            background: #fff;
            padding: 64px 24px;
            border-top: 1px solid var(--i0sbar-border);
        }

        /* 页脚设计 */
        .i0sbar-footer {
            background: #fdfdfd;
            border-top: 1px solid var(--i0sbar-border);
            padding: 80px 24px 40px;
        }

        .i0sbar-footer-container {
            max-width: var(--i0sbar-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .i0sbar-footer-brand {
            flex: 1;
            min-width: 250px;
        }

        .i0sbar-footer-brand h2 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .i0sbar-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

        .i0sbar-footer-col h5 {
            margin-bottom: 24px;
            font-size: 1rem;
            color: #1a202c;
        }

        .i0sbar-footer-col ul {
            list-style: none;
        }

        .i0sbar-footer-col li {
            margin-bottom: 12px;
        }

        .i0sbar-footer-col a {
            text-decoration: none;
            color: var(--i0sbar-text-light);
            transition: color 0.2s;
        }

        .i0sbar-footer-col a:hover {
            color: var(--i0sbar-accent);
        }

        .i0sbar-copyright {
            margin-top: 64px;
            padding-top: 24px;
            border-top: 1px solid var(--i0sbar-border);
            text-align: center;
            color: var(--i0sbar-text-light);
            font-size: 0.9rem;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .i0sbar-nav-container {
                height: auto;
                padding: 16px;
            }
            .i0sbar-menu {
                margin-top: 16px;
                justify-content: center;
                gap: 8px;
            }
            .i0sbar-hero {
                padding: 48px 24px;
            }
            .i0sbar-hero-content {
                text-align: center;
            }
            .i0sbar-hero-subtitle {
                margin: 0 auto 32px;
            }
            .i0sbar-step-grid {
                grid-template-columns: 1fr;
            }
        }