:root {
            --i0sbar-primary: #42b983;
            --i0sbar-dark: #2c3e50;
            --i0sbar-bg: #f8f9fa;
            --i0sbar-text: #34495e;
            --i0sbar-card-bg: #ffffff;
            --i0sbar-shadow: 0 4px 20px rgba(0,0,0,0.08);
            --i0sbar-accent: #304455;
            --i0sbar-key-bg: #eff3f6;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--i0sbar-bg);
            color: var(--i0sbar-text);
            line-height: 1.7;
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 导航系统 */
        .i0sbar-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            box-shadow: var(--i0sbar-shadow);
        }

        .i0sbar-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
        }

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

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

        .i0sbar-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .i0sbar-menu li a {
            text-decoration: none;
            color: var(--i0sbar-text);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }

        .i0sbar-menu li a:hover {
            background: rgba(66, 185, 131, 0.1);
            color: var(--i0sbar-primary);
        }

        .i0sbar-menu li a.active {
            background: var(--i0sbar-primary);
            color: #fff;
        }

        /* Hero 区块 - 独特居中排版 */
        .i0sbar-hero {
            padding: 160px 24px 80px;
            background: linear-gradient(135deg, #ffffff 0%, #f1f4f8 100%);
            text-align: center;
            overflow: hidden;
        }

        .i0sbar-hero-inner {
            max-width: 900px;
            margin: 0 auto;
            min-width: 0;
        }

        .i0sbar-hero h1 {
            font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
            color: var(--i0sbar-dark);
            line-height: 1.2;
            margin-bottom: 24px;
            font-weight: 800;
            word-break: break-word;
        }

        .i0sbar-hero p {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--i0sbar-text);
            max-width: 700px;
            margin: 0 auto 48px;
            opacity: 0.9;
        }

        /* 快捷键搜索栏 */
        .i0sbar-search-wrapper {
            margin-top: 32px;
            position: relative;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .i0sbar-search-input {
            width: 100%;
            padding: 16px 24px;
            border-radius: 50px;
            border: 2px solid #e0e0e0;
            font-size: 16px;
            transition: border-color 0.3s;
            outline: none;
        }

        .i0sbar-search-input:focus {
            border-color: var(--i0sbar-primary);
        }

        /* 快捷键网格布局 */
        .i0sbar-main-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 64px 24px;
        }

        .i0sbar-section-title {
            font-size: 28px;
            margin-bottom: 32px;
            color: var(--i0sbar-dark);
            border-left: 5px solid var(--i0sbar-primary);
            padding-left: 16px;
        }

        .i0sbar-shortcut-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
            margin-bottom: 64px;
        }

        .i0sbar-card {
            background: var(--i0sbar-card-bg);
            padding: 32px;
            border-radius: 16px;
            box-shadow: var(--i0sbar-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;
        }

        .i0sbar-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.12);
        }

        .i0sbar-card h3 {
            margin-bottom: 20px;
            color: var(--i0sbar-primary);
            font-size: 20px;
        }

        .i0sbar-shortcut-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px dashed #eee;
        }

        .i0sbar-shortcut-item:last-child {
            border-bottom: none;
        }

        .i0sbar-label {
            font-size: 15px;
            color: var(--i0sbar-text);
        }

        .i0sbar-keys {
            display: flex;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: flex-end;
            min-width: 0;
        }

        .i0sbar-key {
            background: var(--i0sbar-key-bg);
            border: 1px solid #d1d5da;
            border-bottom: 3px solid #c1c5ca;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
            font-family: monospace;
            font-weight: bold;
            color: var(--i0sbar-dark);
        }

        /* 场景化工作流区块 */
        .i0sbar-workflow-section {
            background: var(--i0sbar-dark);
            color: #fff;
            padding: 80px 24px;
            border-radius: 40px;
            margin: 40px 24px;
        }

        .i0sbar-workflow-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .i0sbar-workflow-card {
            flex: 1;
            min-width: 300px;
            background: rgba(255,255,255,0.05);
            padding: 32px;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .i0sbar-workflow-card h4 {
            color: var(--i0sbar-primary);
            margin-bottom: 16px;
            font-size: 18px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .i0sbar-workflow-card p {
            font-size: 15px;
            line-height: 1.8;
            opacity: 0.8;
        }

        /* 动态内容区块 */
        .i0sbar-dynamic-section {
            max-width: 1400px;
            margin: 64px auto;
            padding: 0 24px;
        }

        /* 页脚 */
        .i0sbar-footer {
            background: #fff;
            padding: 80px 24px 40px;
            border-top: 1px solid #eee;
        }

        .i0sbar-footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .i0sbar-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .i0sbar-footer-brand h2 {
            font-size: 24px;
            color: var(--i0sbar-dark);
            margin-bottom: 16px;
        }

        .i0sbar-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            flex: 2;
            min-width: 0;
        }

        .i0sbar-footer-col h5 {
            margin-bottom: 24px;
            font-size: 16px;
            color: var(--i0sbar-dark);
        }

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

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

        .i0sbar-footer-col ul li a {
            text-decoration: none;
            color: #666;
            font-size: 14px;
            transition: color 0.3s;
        }

        .i0sbar-footer-col ul li a:hover {
            color: var(--i0sbar-primary);
        }

        .i0sbar-copyright {
            max-width: 1400px;
            margin: 40px auto 0;
            padding-top: 40px;
            border-top: 1px solid #eee;
            text-align: center;
            font-size: 13px;
            color: #999;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .i0sbar-nav-container {
                flex-direction: column;
                padding: 16px;
            }
            .i0sbar-menu {
                justify-content: center;
                margin-top: 16px;
            }
            .i0sbar-hero {
                padding: 180px 24px 60px;
            }
            .i0sbar-shortcut-grid {
                grid-template-columns: 1fr;
            }
            .i0sbar-workflow-card {
                flex: none;
                width: 100%;
            }
        }