:root {
            --x393oe-primary: #005fb8;
            --x393oe-secondary: #0078d4;
            --x393oe-accent: #e1f0ff;
            --x393oe-dark: #1a1a1a;
            --x393oe-light: #f8f9fa;
            --x393oe-text: #333333;
            --x393oe-border: #e0e0e0;
            --x393oe-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        body {
            font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--x393oe-text);
            line-height: 1.8;
            background-color: #ffffff;
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 布局容器 */
        .x393oe-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 导航栏 */
        .x393oe-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--x393oe-border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .x393oe-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            min-width: 0;
        }

        .x393oe-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .x393oe-logo img {
            height: 40px;
            display: block;
        }

        .x393oe-nav {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
            min-width: 0;
        }

        .x393oe-nav li {
            min-width: 0;
        }

        .x393oe-nav a {
            text-decoration: none;
            color: var(--x393oe-text);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 12px;
            border-radius: 6px;
            transition: var(--x393oe-transition);
        }

        .x393oe-nav a:hover {
            color: var(--x393oe-primary);
            background: var(--x393oe-accent);
        }

        .x393oe-nav a.x393oe-active {
            color: var(--x393oe-primary);
            background: var(--x393oe-accent);
            border-bottom: 2px solid var(--x393oe-primary);
        }

        /* Hero 区块 - 独特非对称布局 */
        .x393oe-hero {
            padding: 160px 0 96px;
            background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .x393oe-hero::after {
            content: "";
            position: absolute;
            bottom: -50px;
            right: -50px;
            width: 300px;
            height: 300px;
            background: var(--x393oe-accent);
            border-radius: 50%;
            z-index: 0;
            opacity: 0.5;
        }

        .x393oe-hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .x393oe-hero h1 {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--x393oe-dark);
            font-weight: 800;
        }

        .x393oe-hero p {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: #666;
            margin-bottom: 40px;
        }

        /* 快捷键网格展示 */
        .x393oe-section {
            padding: 80px 0;
            word-break: break-word;
        }

        .x393oe-section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .x393oe-section-title h2 {
            font-size: 2rem;
            color: var(--x393oe-dark);
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .x393oe-section-title h2::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--x393oe-primary);
            border-radius: 2px;
        }

        .x393oe-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
            min-width: 0;
        }

        .x393oe-card {
            background: white;
            padding: 32px;
            border-radius: 16px;
            border: 1px solid var(--x393oe-border);
            transition: var(--x393oe-transition);
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .x393oe-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.08);
            border-color: var(--x393oe-primary);
        }

        .x393oe-card-icon {
            width: 48px;
            height: 48px;
            background: var(--x393oe-accent);
            border-radius: 12px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--x393oe-primary);
            font-weight: bold;
        }

        .x393oe-shortcut-list {
            list-style: none;
        }

        .x393oe-shortcut-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px dashed var(--x393oe-border);
        }

        .x393oe-key {
            background: #f1f1f1;
            padding: 2px 8px;
            border-radius: 4px;
            font-family: monospace;
            font-size: 0.9em;
            border: 1px solid #ccc;
            box-shadow: 0 2px 0 #ddd;
        }

        /* 命令行演示区块 */
        .x393oe-terminal-section {
            background: var(--x393oe-dark);
            color: #fff;
            padding: 80px 0;
            border-radius: 0;
        }

        .x393oe-terminal {
            background: #2d2d2d;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0,0,0,0.3);
            border: 1px solid #444;
        }

        .x393oe-terminal-header {
            background: #3d3d3d;
            padding: 12px 20px;
            display: flex;
            gap: 8px;
        }

        .x393oe-dot { width: 12px; height: 12px; border-radius: 50%; }
        .x393oe-dot-r { background: #ff5f56; }
        .x393oe-dot-y { background: #ffbd2e; }
        .x393oe-dot-g { background: #27c93f; }

        .x393oe-terminal-body {
            padding: 24px;
            font-family: "Consolas", monospace;
            font-size: 14px;
            line-height: 1.6;
            color: #a9b7c6;
        }

        .x393oe-cmd-line { margin-bottom: 12px; }
        .x393oe-cmd-prompt { color: #6a8759; margin-right: 10px; }
        .x393oe-cmd-text { color: #cc7832; }

        /* 核心架构深度分析 - 错位图文 */
        .x393oe-tech-block {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
            margin-bottom: 64px;
        }

        .x393oe-tech-block:nth-child(even) {
            flex-direction: row-reverse;
        }

        .x393oe-tech-content {
            flex: 1 1 400px;
            min-width: 0;
        }

        .x393oe-tech-visual {
            flex: 1 1 400px;
            min-width: 0;
            background: var(--x393oe-accent);
            height: 300px;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .x393oe-tech-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--x393oe-primary);
            color: white;
            border-radius: 20px;
            font-size: 12px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        /* 页脚 */
        .x393oe-footer {
            background: #f4f4f4;
            padding: 64px 0 32px;
            border-top: 1px solid var(--x393oe-border);
        }

        .x393oe-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 48px;
            min-width: 0;
        }

        .x393oe-footer-brand h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--x393oe-primary);
        }

        .x393oe-footer-links h4 {
            margin-bottom: 20px;
            font-size: 16px;
        }

        .x393oe-footer-links ul {
            list-style: none;
        }

        .x393oe-footer-links li {
            margin-bottom: 10px;
        }

        .x393oe-footer-links a {
            text-decoration: none;
            color: #666;
            transition: var(--x393oe-transition);
        }

        .x393oe-footer-links a:hover {
            color: var(--x393oe-primary);
        }

        .x393oe-copyright {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid #ddd;
            font-size: 14px;
            color: #888;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .x393oe-nav-wrapper {
                height: auto;
                padding: 16px 0;
            }
            .x393oe-nav {
                width: 100%;
                margin-top: 16px;
                justify-content: center;
            }
            .x393oe-hero {
                padding: 120px 0 64px;
            }
            .x393oe-tech-block {
                text-align: center;
            }
            .x393oe-tech-visual {
                height: 200px;
            }
        }