:root {
            --i0sbar-bg: #ffffff;
            --i0sbar-text: #2c3e50;
            --i0sbar-accent: #42b983;
            --i0sbar-secondary: #f8f9fa;
            --i0sbar-muted: #6c757d;
            --i0sbar-border: #eaecef;
            --i0sbar-shadow: 0 10px 30px rgba(0,0,0,0.05);
            --i0sbar-container-width: 1400px;
        }

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

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

        /* 布局基础 */
        .i0sbar-container {
            max-width: var(--i0sbar-container-width);
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* 导航栏 */
        .i0sbar-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--i0sbar-border);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .i0sbar-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            min-width: 0;
        }

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

        .i0sbar-logo img {
            height: 32px;
            width: auto;
            display: block;
        }

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

        .i0sbar-menu li {
            min-width: 0;
        }

        .i0sbar-menu a {
            text-decoration: none;
            color: var(--i0sbar-text);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 4px;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

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

        .i0sbar-menu a.active {
            color: var(--i0sbar-accent);
            border-bottom: 2px solid var(--i0sbar-accent);
        }

        /* Hero 区 - 非对称分割布局 */
        .i0sbar-hero {
            padding: 160px 0 96px;
            background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
            overflow: hidden;
        }

        .i0sbar-hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .i0sbar-hero-content {
            flex: 1;
            min-width: 400px;
            word-break: break-word;
        }

        .i0sbar-hero-title {
            font-size: clamp(2.5rem, 4vw + 1rem, 4rem);
            line-height: 1.2;
            margin-bottom: 24px;
            font-weight: 800;
            color: #1a1a1a;
            white-space: normal;
        }

        .i0sbar-hero-subtitle {
            font-size: clamp(1.1rem, 1vw + 0.5rem, 1.4rem);
            color: var(--i0sbar-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .i0sbar-hero-image {
            flex: 1.2;
            min-width: 400px;
            position: relative;
        }

        .i0sbar-hero-image img {
            width: 100%;
            height: auto;
            border-radius: 24px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.15);
            transform: perspective(1000px) rotateY(-5deg);
            transition: transform 0.5s ease;
        }

        .i0sbar-hero-image:hover img {
            transform: perspective(1000px) rotateY(0deg);
        }

        /* 核心展示区 - WYSIWYG */
        .i0sbar-section-wysiwyg {
            padding: 96px 0;
            text-align: center;
        }

        .i0sbar-section-header {
            max-width: 800px;
            margin: 0 auto 64px;
        }

        .i0sbar-section-title {
            font-size: clamp(2rem, 3vw, 2.8rem);
            margin-bottom: 16px;
        }

        .i0sbar-demo-container {
            position: relative;
            background: var(--i0sbar-secondary);
            padding: 48px;
            border-radius: 32px;
            margin-top: 48px;
        }

        .i0sbar-demo-container img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: var(--i0sbar-shadow);
        }

        /* 工作流卡片 - Grid 布局 */
        .i0sbar-workflows {
            padding: 96px 0;
            background-color: #fcfcfc;
        }

        .i0sbar-workflow-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .i0sbar-workflow-card {
            background: #fff;
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--i0sbar-border);
            transition: all 0.3s ease;
            min-width: 0;
        }

        .i0sbar-workflow-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--i0sbar-shadow);
            border-color: var(--i0sbar-accent);
        }

        .i0sbar-persona {
            display: inline-block;
            background: rgba(66, 185, 131, 0.1);
            color: var(--i0sbar-accent);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .i0sbar-workflow-title {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: #333;
        }

        /* 专注模式 - 交错布局 */
        .i0sbar-focus-section {
            padding: 96px 0;
        }

        .i0sbar-split-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 80px;
        }

        .i0sbar-split-image {
            flex: 1;
            min-width: 300px;
        }

        .i0sbar-split-image img {
            width: 100%;
            height: auto;
            border-radius: 20px;
            box-shadow: 20px 20px 0px var(--i0sbar-secondary);
        }

        .i0sbar-split-text {
            flex: 1;
            min-width: 300px;
            word-break: break-word;
        }

        /* 动态资讯区 */
        .i0sbar-news-section {
            padding: 96px 0;
            background: var(--i0sbar-secondary);
        }

        .i0sbar-news-item {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding: 24px;
            background: #fff;
            border-radius: 12px;
            margin-bottom: 16px;
            align-items: center;
        }

        /* 页脚 */
        .i0sbar-footer {
            background: #1a1a1a;
            color: #fff;
            padding: 80px 0 40px;
        }

        .i0sbar-footer-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            border-bottom: 1px solid #333;
            padding-bottom: 48px;
            margin-bottom: 40px;
        }

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

        .i0sbar-footer-brand-name {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .i0sbar-footer-links {
            flex: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            min-width: 300px;
        }

        .i0sbar-footer-col h4 {
            margin-bottom: 24px;
            font-size: 1rem;
            color: var(--i0sbar-accent);
        }

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

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

        .i0sbar-footer-col a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s;
        }

        .i0sbar-footer-col a:hover {
            color: #fff;
        }

        .i0sbar-copyright {
            text-align: center;
            color: #666;
            font-size: 0.9rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .i0sbar-container {
                padding: 0 20px;
            }
            .i0sbar-hero {
                padding: 120px 0 64px;
            }
            .i0sbar-hero-grid, .i0sbar-split-content {
                flex-direction: column;
                text-align: center;
            }
            .i0sbar-hero-content, .i0sbar-hero-image, .i0sbar-split-image, .i0sbar-split-text {
                min-width: 100%;
            }
            .i0sbar-hero-image img {
                transform: none;
            }
            .i0sbar-header {
                height: auto;
                padding: 16px 0;
            }
            .i0sbar-menu {
                justify-content: center;
                margin-top: 16px;
            }
        }