:root {
            --o6ip-primary: #bf0000;
            --o6ip-secondary: #2c3e50;
            --o6ip-accent: #e74c3c;
            --o6ip-bg: #f8f9fa;
            --o6ip-text: #333333;
            --o6ip-white: #ffffff;
            --o6ip-gray: #f0f2f5;
            --o6ip-card-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --o6ip-transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--o6ip-bg);
            color: var(--o6ip-text);
            line-height: 1.8;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 布局容器 */
        .o6ip-container {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 导航栏 */
        .o6ip-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 16px 0;
        }

        .o6ip-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .o6ip-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .o6ip-logo img {
            height: 48px;
            width: auto;
            display: block;
        }

        .o6ip-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            list-style: none;
            min-width: 0;
        }

        .o6ip-menu a {
            text-decoration: none;
            color: var(--o6ip-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: var(--o6ip-transition);
            padding: 8px 4px;
            position: relative;
        }

        .o6ip-menu a:hover, .o6ip-menu a.active {
            color: var(--o6ip-primary);
        }

        .o6ip-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--o6ip-primary);
        }

        /* Hero 区域 - 非对称设计 */
        .o6ip-hero {
            padding: 96px 0 64px;
            background: linear-gradient(135deg, #ffffff 0%, #f1f1f1 100%);
            position: relative;
            overflow: hidden;
        }

        /* 动态数据流背景模拟 */
        .o6ip-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: repeating-linear-gradient(45deg, rgba(191,0,0,0.03) 0px, rgba(191,0,0,0.03) 2px, transparent 2px, transparent 15px);
            z-index: 1;
        }

        .o6ip-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .o6ip-hero-text {
            flex: 1 1 500px;
            min-width: 0;
            padding-right: 48px;
        }

        .o6ip-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--o6ip-secondary);
            margin-bottom: 24px;
            white-space: normal;
        }

        .o6ip-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            color: #666;
            margin-bottom: 32px;
            max-width: 600px;
        }

        /* 快捷键核心列表 - 非对称网格 */
        .o6ip-main-grid {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 48px;
            padding: 64px 0;
        }

        @media (max-width: 992px) {
            .o6ip-main-grid {
                grid-template-columns: 1fr;
            }
        }

        .o6ip-sidebar {
            position: sticky;
            top: 100px;
            height: fit-content;
        }

        .o6ip-side-nav {
            background: var(--o6ip-white);
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--o6ip-card-shadow);
        }

        .o6ip-side-nav h3 {
            font-size: 18px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--o6ip-gray);
        }

        .o6ip-side-link {
            display: block;
            padding: 12px 16px;
            text-decoration: none;
            color: #555;
            border-radius: 8px;
            margin-bottom: 8px;
            transition: var(--o6ip-transition);
        }

        .o6ip-side-link:hover {
            background: var(--o6ip-gray);
            color: var(--o6ip-primary);
            transform: translateX(5px);
        }

        /* 快捷键卡片展示 */
        .o6ip-key-section {
            margin-bottom: 64px;
        }

        .o6ip-section-title {
            font-size: 28px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .o6ip-section-title::before {
            content: '';
            width: 4px;
            height: 28px;
            background: var(--o6ip-primary);
            display: block;
        }

        .o6ip-keys-container {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .o6ip-key-card {
            flex: 1 1 calc(50% - 10px);
            min-width: 280px;
            background: var(--o6ip-white);
            padding: 24px;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--o6ip-transition);
            border: 1px solid transparent;
        }

        .o6ip-key-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--o6ip-card-shadow);
            border-color: rgba(191,0,0,0.1);
        }

        .o6ip-key-info .o6ip-key-name {
            font-weight: 600;
            color: var(--o6ip-secondary);
            display: block;
            margin-bottom: 4px;
        }

        .o6ip-key-info .o6ip-key-desc {
            font-size: 14px;
            color: #888;
        }

        .o6ip-shortcut {
            background: #eee;
            padding: 6px 12px;
            border-radius: 6px;
            font-family: monospace;
            font-weight: bold;
            color: var(--o6ip-primary);
            box-shadow: inset 0 -2px 0 rgba(0,0,0,0.1);
        }

        /* 效率特性区块 */
        .o6ip-efficiency {
            background: var(--o6ip-secondary);
            color: var(--o6ip-white);
            padding: 96px 0;
            border-radius: 40px 40px 0 0;
        }

        .o6ip-feature-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 48px;
        }

        .o6ip-feature-item {
            flex: 1 1 300px;
            min-width: 0;
            background: rgba(255,255,255,0.05);
            padding: 40px;
            border-radius: 20px;
            transition: var(--o6ip-transition);
        }

        .o6ip-feature-item:hover {
            background: rgba(255,255,255,0.1);
            transform: scale(1.02);
        }

        .o6ip-feature-name {
            font-size: 20px;
            color: var(--o6ip-accent);
            margin-bottom: 16px;
            font-weight: bold;
        }

        .o6ip-feature-impact {
            display: inline-block;
            margin-top: 16px;
            padding: 4px 12px;
            background: var(--o6ip-primary);
            border-radius: 4px;
            font-size: 13px;
        }

        /* 企业场景 */
        .o6ip-scenario-section {
            padding: 96px 0;
            background: var(--o6ip-white);
        }

        .o6ip-scenario-list {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .o6ip-scenario-card {
            flex: 1 1 400px;
            min-width: 0;
            padding: 32px;
            border-left: 4px solid var(--o6ip-primary);
            background: var(--o6ip-gray);
            border-radius: 0 16px 16px 0;
        }

        .o6ip-scenario-card h4 {
            font-size: 22px;
            margin-bottom: 12px;
            color: var(--o6ip-secondary);
        }

        /* 页脚 */
        .o6ip-footer {
            background: #1a1a1a;
            color: #888;
            padding: 64px 0 32px;
            text-align: center;
        }

        .o6ip-footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--o6ip-white);
            margin-bottom: 24px;
            letter-spacing: 2px;
        }

        .o6ip-footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
        }

        .o6ip-footer-links a {
            color: #666;
            text-decoration: none;
            font-size: 14px;
            transition: var(--o6ip-transition);
        }

        .o6ip-footer-links a:hover {
            color: var(--o6ip-white);
        }

        .o6ip-copyright {
            font-size: 12px;
            border-top: 1px solid #333;
            padding-top: 32px;
        }

        @media (max-width: 768px) {
            .o6ip-hero-text {
                padding-right: 0;
                text-align: center;
            }
            .o6ip-hero-subtitle {
                margin: 0 auto 32px;
            }
            .o6ip-menu {
                display: none; /* 简化演示：移动端通常会有汉堡菜单 */
            }
            .o6ip-key-card {
                flex: 1 1 100%;
            }
        }