:root {
            --mpr9yq-accent: #A855F7;
            --mpr9yq-bg: #0b0e14;
            --mpr9yq-card-bg: #161b22;
            --mpr9yq-text-primary: #f0f6fc;
            --mpr9yq-text-secondary: #8b949e;
            --mpr9yq-border: #30363d;
            --mpr9yq-success: #238636;
            --mpr9yq-spacing: 8px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
            background-color: var(--mpr9yq-bg);
            color: var(--mpr9yq-text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* 布局容器 */
        .mpr9yq-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航栏 */
        .mpr9yq-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 14, 20, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--mpr9yq-border);
        }

        .mpr9yq-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .mpr9yq-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        .mpr9yq-logo img {
            height: 40px;
            width: auto;
        }

        .mpr9yq-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
        }

        .mpr9yq-nav-item a {
            font-size: 14px;
            font-weight: 500;
            color: var(--mpr9yq-text-secondary);
            padding: 8px 12px;
            border-radius: 6px;
        }

        .mpr9yq-nav-item a:hover {
            color: var(--mpr9yq-accent);
            background: rgba(168, 85, 247, 0.1);
        }

        .mpr9yq-nav-item.mpr9yq-active a {
            color: var(--mpr9yq-text-primary);
            background: var(--mpr9yq-accent);
        }

        /* Hero 区块 - 独特上下结构 */
        .mpr9yq-hero {
            padding-top: 160px;
            padding-bottom: 64px;
            text-align: center;
            background: radial-gradient(circle at top, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
        }

        .mpr9yq-hero-badge {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(168, 85, 247, 0.1);
            border: 1px solid var(--mpr9yq-accent);
            color: var(--mpr9yq-accent);
            border-radius: 20px;
            font-size: 14px;
            margin-bottom: 24px;
        }

        .mpr9yq-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 0%, #a855f7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: break-word;
        }

        .mpr9yq-hero-desc {
            max-width: 700px;
            margin: 0 auto;
            color: var(--mpr9yq-text-secondary);
            font-size: clamp(1rem, 2vw + 0.2rem, 1.25rem);
            line-height: 1.8;
        }

        /* 快捷键搜索栏 */
        .mpr9yq-search-box {
            margin: 48px auto;
            max-width: 600px;
            position: relative;
        }

        .mpr9yq-search-input {
            width: 100%;
            padding: 16px 24px;
            background: var(--mpr9yq-card-bg);
            border: 2px solid var(--mpr9yq-border);
            border-radius: 12px;
            color: #fff;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        .mpr9yq-search-input:focus {
            outline: none;
            border-color: var(--mpr9yq-accent);
        }

        /* 快捷键内容区 */
        .mpr9yq-hotkeys-section {
            padding: 64px 0;
        }

        .mpr9yq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 32px;
            flex-wrap: wrap;
        }

        .mpr9yq-category-card {
            background: var(--mpr9yq-card-bg);
            border: 1px solid var(--mpr9yq-border);
            border-radius: 16px;
            padding: 32px;
            min-width: 0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .mpr9yq-category-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
            border-color: var(--mpr9yq-accent);
        }

        .mpr9yq-category-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--mpr9yq-accent);
        }

        .mpr9yq-key-list {
            list-style: none;
        }

        .mpr9yq-key-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .mpr9yq-key-item:last-child {
            border-bottom: none;
        }

        .mpr9yq-key-name {
            color: var(--mpr9yq-text-secondary);
            font-size: 14px;
        }

        .mpr9yq-key-combo {
            background: #000;
            padding: 4px 10px;
            border-radius: 6px;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            font-size: 13px;
            color: var(--mpr9yq-accent);
            border: 1px solid rgba(168, 85, 247, 0.3);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
        }

        /* 动态提示区块 */
        .mpr9yq-dynamic-tip {
            margin-top: 64px;
            padding: 40px;
            background: linear-gradient(90deg, #161b22 0%, #1c2128 100%);
            border-radius: 16px;
            border-left: 4px solid var(--mpr9yq-accent);
        }

        .mpr9yq-tip-content {
            font-size: 16px;
            color: var(--mpr9yq-text-secondary);
            word-break: break-word;
        }

        /* 页脚 */
        .mpr9yq-footer {
            margin-top: 96px;
            padding: 64px 0;
            border-top: 1px solid var(--mpr9yq-border);
            background: #080a0e;
        }

        .mpr9yq-footer-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .mpr9yq-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .mpr9yq-brand-name {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .mpr9yq-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

        .mpr9yq-link-group {
            min-width: 120px;
        }

        .mpr9yq-link-title {
            color: #fff;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .mpr9yq-footer-link {
            display: block;
            color: var(--mpr9yq-text-secondary);
            margin-bottom: 12px;
            font-size: 14px;
        }

        .mpr9yq-footer-link:hover {
            color: var(--mpr9yq-accent);
        }

        .mpr9yq-copyright {
            margin-top: 64px;
            text-align: center;
            color: var(--mpr9yq-text-secondary);
            font-size: 13px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .mpr9yq-nav-wrapper {
                height: auto;
                padding: 16px 0;
            }
            .mpr9yq-nav-menu {
                margin-top: 16px;
                justify-content: center;
            }
            .mpr9yq-grid {
                grid-template-columns: 1fr;
            }
            .mpr9yq-hero {
                padding-top: 120px;
            }
        }