:root {
            --wpdfwwk-primary: #ff6600;
            --wpdfwwk-primary-hover: #e65c00;
            --wpdfwwk-text-dark: #222222;
            --wpdfwwk-text-light: #666666;
            --wpdfwwk-bg-gray: #f8f9fa;
            --wpdfwwk-white: #ffffff;
            --wpdfwwk-gap: 8px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--wpdfwwk-text-dark);
            line-height: 1.6;
            background-color: var(--wpdfwwk-white);
            word-break: keep-all;
            overflow-wrap: break-word;
        }

        /* 导航栏样式复用 */
        .wpdfwwk-eley {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .wpdfwwk-owas {
            max-width: 1200px;
            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;
        }

        .wpdfwwk-exazi li a {
            padding: 0 16px;
            text-decoration: none;
            color: var(--wpdfwwk-text-dark);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s;
            line-height: 72px;
            display: block;
        }

        .wpdfwwk-exazi li a:hover,
        .wpdfwwk-exazi li a.active {
            color: var(--wpdfwwk-primary);
        }

        /* 独特页面布局 */
        .wpdfwwk-ubigav {
            padding: 140px 24px 80px;
            background: linear-gradient(135deg, #fff5f0 0%, #ffffff 100%);
            text-align: center;
            overflow: hidden;
            position: relative;
        }

        .wpdfwwk-ubigav::before {
            content: "∑ ∞ ⌘ ☺ ✈";
            position: absolute;
            font-size: 120px;
            color: rgba(255, 102, 0, 0.03);
            top: 10%;
            left: 5%;
            font-weight: bold;
            z-index: 0;
        }

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

        .wpdfwwk-ubigav h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            margin-bottom: 24px;
            color: var(--wpdfwwk-text-dark);
            line-height: 1.2;
        }

        .wpdfwwk-ubigav p {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--wpdfwwk-text-light);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .wpdfwwk-riyehad {
            padding: 80px 24px;
            background-color: var(--wpdfwwk-white);
        }

        .wpdfwwk-iletot {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .wpdfwwk-ozoviw {
            background: var(--wpdfwwk-bg-gray);
            border-radius: 24px;
            padding: 40px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .wpdfwwk-ozoviw:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            background: #fff;
        }

        .wpdfwwk-afixop {
            font-size: 48px;
            margin-bottom: 24px;
            color: var(--wpdfwwk-primary);
        }

        .wpdfwwk-ozoviw h3 {
            font-size: 24px;
            margin-bottom: 16px;
        }

        .wpdfwwk-ozoviw p {
            color: var(--wpdfwwk-text-light);
            font-size: 16px;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .wpdfwwk-rosiy {
            display: inline-block;
            padding: 12px 32px;
            background-color: var(--wpdfwwk-primary);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
            text-align: center;
        }

        .wpdfwwk-rosiy:hover {
            background-color: var(--wpdfwwk-primary-hover);
            box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
        }

        .wpdfwwk-ageheb {
            padding: 100px 24px;
            background-color: #1a1a1a;
            color: white;
        }

        .wpdfwwk-ageheb .wpdfwwk-owas {
            display: flex;
            align-items: center;
            gap: 64px;
            max-width: 1200px;
        }

        .wpdfwwk-ageheb .wpdfwwk-jajes {
            flex: 1;
            min-width: 0;
        }

        .wpdfwwk-ageheb h2 {
            font-size: 40px;
            margin-bottom: 24px;
            line-height: 1.3;
        }

        .wpdfwwk-ageheb ul {
            list-style: none;
        }

        .wpdfwwk-ageheb li {
            margin-bottom: 20px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .wpdfwwk-ageheb li b {
            color: var(--wpdfwwk-primary);
            font-size: 20px;
        }

        /* 符号网格展示 */
        .wpdfwwk-symbol-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
            gap: 12px;
            margin-top: 32px;
            background: rgba(255,255,255,0.1);
            padding: 24px;
            border-radius: 16px;
        }

        .wpdfwwk-symbol-item {
            aspect-ratio: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            font-size: 24px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .wpdfwwk-symbol-item:hover {
            background: var(--wpdfwwk-primary);
            transform: scale(1.1);
        }

        /* 动态内容区块 */
        .wpdfwwk-uxehu {
            padding: 80px 24px;
            background: var(--wpdfwwk-bg-gray);
            border-top: 1px solid #eee;
        }

        .wpdfwwk-idixas {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            justify-content: space-between;
        }

        .wpdfwwk-footer-col {
            flex: 1;
            min-width: 200px;
        }

        .wpdfwwk-footer-brand {
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
            color: var(--wpdfwwk-primary);
        }

        .wpdfwwk-footer-links {
            list-style: none;
        }

        .wpdfwwk-footer-links li {
            margin-bottom: 12px;
        }

        .wpdfwwk-footer-links a {
            color: var(--wpdfwwk-text-light);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        @media (max-width: 768px) {
            .wpdfwwk-exazi {
                display: none; /* 简化移动端，通常会有汉堡菜单，此处略 */
            }
            .wpdfwwk-ageheb .wpdfwwk-owas {
                flex-direction: column;
                text-align: center;
            }
            .wpdfwwk-ubigav {
                padding-top: 100px;
            }
        }