:root {
            --i0sbar-primary: #424242;
            --i0sbar-accent: #007aff;
            --i0sbar-bg: #f9f9f9;
            --i0sbar-card-bg: #ffffff;
            --i0sbar-text: #2c3e50;
            --i0sbar-text-light: #7f8c8d;
            --i0sbar-border: #e0e0e0;
            --i0sbar-spacing: 8px;
        }

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

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

        /* 导航栏样式 */
        .i0sbar-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);
            border-bottom: 1px solid var(--i0sbar-border);
            z-index: 1000;
            padding: 0 var(--i0sbar-spacing);
        }

        .i0sbar-nav-container {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
        }

        .i0sbar-logo {
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .i0sbar-logo img {
            height: 32px;
            width: auto;
            object-fit: contain;
        }

        .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: 14px;
            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.i0sbar-active {
            color: var(--i0sbar-accent);
            border-bottom: 2px solid var(--i0sbar-accent);
        }

        /* Hero 区块 - 独特非对称布局 */
        .i0sbar-hero {
            padding-top: 160px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
            overflow: hidden;
        }

        .i0sbar-hero-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .i0sbar-hero-content {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .i0sbar-hero-content h1 {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            margin-bottom: 24px;
            font-weight: 800;
            color: #1a1a1a;
            white-space: normal;
        }

        .i0sbar-hero-content p {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--i0sbar-text-light);
            margin-bottom: 32px;
            max-width: 600px;
        }

        /* 激活码模拟卡片 */
        .i0sbar-license-box {
            flex: 1;
            min-width: 320px;
            background: #1a1a1a;
            border-radius: 24px;
            padding: 40px;
            color: #fff;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            position: relative;
            transform: rotate(2deg);
            transition: transform 0.4s ease;
        }

        .i0sbar-license-box:hover {
            transform: rotate(0deg) translateY(-10px);
        }

        .i0sbar-license-header {
            border-bottom: 1px solid #333;
            padding-bottom: 20px;
            margin-bottom: 24px;
        }

        .i0sbar-license-title {
            font-family: "Courier New", Courier, monospace;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-size: 12px;
            color: #888;
        }

        .i0sbar-license-code {
            font-family: "Courier New", Courier, monospace;
            font-size: clamp(1.2rem, 2vw, 1.8rem);
            color: #00ff88;
            margin: 16px 0;
            word-break: break-all;
        }

        .i0sbar-btn-primary {
            display: inline-block;
            background: var(--i0sbar-accent);
            color: #fff;
            padding: 16px 32px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            text-align: center;
        }

        .i0sbar-btn-primary:hover {
            background: #0062cc;
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0, 122, 255, 0.3);
        }

        /* 工作流场景 - Grid 布局 */
        .i0sbar-section {
            padding: 96px 32px;
            max-width: 1300px;
            margin: 0 auto;
        }

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

        .i0sbar-section-title h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            margin-bottom: 16px;
        }

        .i0sbar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .i0sbar-card {
            background: var(--i0sbar-card-bg);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--i0sbar-border);
            transition: all 0.3s ease;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .i0sbar-card:hover {
            border-color: var(--i0sbar-accent);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            transform: translateY(-5px);
        }

        .i0sbar-persona {
            font-weight: 800;
            font-size: 14px;
            color: var(--i0sbar-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            display: block;
        }

        .i0sbar-card h3 {
            font-size: 20px;
            margin-bottom: 16px;
            color: #1a1a1a;
        }

        .i0sbar-card p {
            font-size: 16px;
            color: var(--i0sbar-text-light);
            flex-grow: 1;
        }

        /* 动态内容区块 */
        .i0sbar-dynamic-section {
            background-color: #f0f4f8;
            padding: 80px 32px;
            border-radius: 40px;
            margin: 0 32px 80px 32px;
        }

        /* 页脚设计 */
        .i0sbar-footer {
            background: #fff;
            padding: 64px 32px;
            border-top: 1px solid var(--i0sbar-border);
        }

        .i0sbar-footer-content {
            max-width: 1100px;
            margin: 0 auto;
            text-align: center;
        }

        .i0sbar-brand-text {
            font-size: 24px;
            font-weight: 900;
            letter-spacing: -1px;
            margin-bottom: 24px;
            display: block;
        }

        .i0sbar-footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
            list-style: none;
        }

        .i0sbar-footer-links a {
            color: var(--i0sbar-text-light);
            text-decoration: none;
            font-size: 14px;
        }

        .i0sbar-copyright {
            font-size: 13px;
            color: #999;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .i0sbar-nav-container {
                flex-direction: column;
                padding: 16px 0;
            }
            .i0sbar-menu {
                justify-content: center;
                margin-top: 16px;
            }
            .i0sbar-hero {
                padding-top: 140px;
            }
            .i0sbar-hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .i0sbar-license-box {
                transform: rotate(0deg);
                width: 100%;
            }
            .i0sbar-dynamic-section {
                margin: 0 16px 48px 16px;
                padding: 48px 24px;
            }
        }