:root {
            --wpdfwwk-primary: #ff4d4f;
            --wpdfwwk-secondary: #2c3e50;
            --wpdfwwk-bg: #f8fafc;
            --wpdfwwk-text: #1e293b;
            --wpdfwwk-accent: #e2e8f0;
            --wpdfwwk-white: #ffffff;
        }

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

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

        /* 导航栏复用与调整 */
        .wpdfwwk-eley {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--wpdfwwk-accent);
        }

        .wpdfwwk-owas {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            flex-wrap: wrap;
        }

        .wpdfwwk-logo img {
            height: 32px;
            display: block;
        }

        .wpdfwwk-exazi {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 16px;
        }

        .wpdfwwk-exazi li a {
            text-decoration: none;
            color: var(--wpdfwwk-text);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s;
            padding: 8px 4px;
            min-width: 0;
            word-break: keep-all;
        }

        .wpdfwwk-exazi li a:hover,
        .wpdfwwk-exazi li a.active {
            color: var(--wpdfwwk-primary);
            border-bottom: 2px solid var(--wpdfwwk-primary);
        }

        /* 展示区域 - 独特视觉风格 */
        .wpdfwwk-ubigav {
            padding: 96px 24px;
            background: linear-gradient(135deg, #fff 0%, #f1f5f9 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .wpdfwwk-ubigav::before {
            content: "⌨️";
            position: absolute;
            font-size: 300px;
            opacity: 0.03;
            right: -50px;
            bottom: -50px;
            transform: rotate(-15deg);
        }

        .wpdfwwk-jajes {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .wpdfwwk-ubigav h1 {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--wpdfwwk-secondary);
            word-break: keep-all;
        }

        .wpdfwwk-ubigav p {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: #64748b;
            max-width: 700px;
            margin: 0 auto 40px;
        }

        /* 核心内容区 */
        .wpdfwwk-riyehad {
            padding: 64px 24px;
            background: var(--wpdfwwk-white);
        }

        .wpdfwwk-iletot {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .wpdfwwk-ageheb {
            flex: 1;
            min-width: 300px;
        }

        .wpdfwwk-ageheb h2 {
            font-size: 2rem;
            margin-bottom: 24px;
            border-left: 6px solid var(--wpdfwwk-primary);
            padding-left: 16px;
        }

        /* 快捷键卡片列表 */
        .wpdfwwk-ozoviw {
            background: var(--wpdfwwk-bg);
            border-radius: 16px;
            padding: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .wpdfwwk-afixop {
            background: var(--wpdfwwk-white);
            border: 1px solid var(--wpdfwwk-accent);
            padding: 24px;
            border-radius: 12px;
            flex: 1 1 calc(50% - 12px);
            min-width: 260px;
            transition: transform 0.3s, box-shadow 0.3s;
            word-break: break-word;
        }

        .wpdfwwk-afixop:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .wpdfwwk-afixop h3 {
            color: var(--wpdfwwk-primary);
            margin-bottom: 12px;
            font-size: 1.2rem;
        }

        .wpdfwwk-afixop code {
            display: inline-block;
            background: #f1f5f9;
            padding: 4px 10px;
            border-radius: 6px;
            font-family: "Courier New", Courier, monospace;
            font-weight: bold;
            margin-bottom: 8px;
            color: #334155;
        }

        /* 交互按钮 */
        .wpdfwwk-rosiy {
            display: inline-block;
            padding: 16px 40px;
            background-color: var(--wpdfwwk-primary);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
            margin-top: 32px;
        }

        .wpdfwwk-rosiy:hover {
            background-color: #e03e3f;
            box-shadow: 0 4px 15px rgba(255, 77, 79, 0.3);
        }

        .wpdfwwk-equvec {
            display: inline-block;
            padding: 16px 40px;
            background-color: transparent;
            color: var(--wpdfwwk-primary);
            text-decoration: none;
            border: 2px solid var(--wpdfwwk-primary);
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
            margin-left: 16px;
        }

        .wpdfwwk-equvec:hover {
            background-color: var(--wpdfwwk-primary);
            color: white;
        }

        /* 场景化说明 */
        .wpdfwwk-idixas {
            background: #1e293b;
            color: #f1f5f9;
            padding: 80px 24px;
        }

        .wpdfwwk-idixas h2 {
            text-align: center;
            margin-bottom: 48px;
            font-size: 2.25rem;
        }

        /* 页脚区域 */
        .wpdfwwk-uxehu {
            background: #0f172a;
            color: #94a3b8;
            padding: 48px 24px;
            text-align: center;
            border-top: 1px solid #334155;
        }

        .wpdfwwk-uxehu a {
            color: #cbd5e1;
            text-decoration: none;
            margin: 0 12px;
            font-size: 14px;
        }

        .wpdfwwk-uxehu a:hover {
            color: var(--wpdfwwk-primary);
        }

        .wpdfwwk-uxehu p {
            margin-top: 24px;
            font-size: 13px;
        }

        /* 响应式断点 */
        @media (max-width: 768px) {
            .wpdfwwk-exazi {
                display: none; /* 简化移动端演示 */
            }
            .wpdfwwk-owas {
                justify-content: center;
            }
            .wpdfwwk-afixop {
                flex: 1 1 100%;
            }
            .wpdfwwk-equvec {
                margin-left: 0;
                margin-top: 12px;
                display: block;
            }
            .wpdfwwk-rosiy {
                display: block;
            }
        }