* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%); min-height: 100vh; color: #2d3748; line-height: 1.6; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header:not(.result-header) { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 20px 0; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); position: sticky; top: 0; z-index: 100; }
        .header-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; }
        .logo { font-size: 24px; font-weight: 700; text-decoration: none; color: white; display: flex; align-items: center; gap: 10px; }
        .logo i { font-size: 28px; }
        nav ul { display: flex; list-style: none; gap: 25px; }
        nav a { color: white; text-decoration: none; font-weight: 600; display: flex; align-items: center; gap: 5px; }
        .breadcrumb { background: white; padding: 15px 0; border-bottom: 1px solid #e2e8f0; }
        .breadcrumb-list { display: flex; align-items: center; gap: 10px; list-style: none; margin: 0; padding: 0; font-size: 14px; color: #718096; }
        .breadcrumb-list li { display: flex; align-items: center; }
        .breadcrumb-list a { color: #667eea; text-decoration: none; }
        .breadcrumb-list li::after { content: '/'; margin-left: 10px; color: #cbd5e0; }
        .breadcrumb-list li:last-child::after { display: none; }
        .main-content { padding: 40px 0; }
        .result-section { background: white; border-radius: 20px; padding: 40px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); margin-bottom: 40px; }
        .result-header { text-align: center; margin-bottom: 40px; }
        .result-header h1 { font-size: 28px; color: #2d3748; margin-bottom: 10px; font-weight: 700; }
        .result-header h1 i { color: #667eea; margin-right: 10px; }
        .result-header p { color: #718096; font-size: 16px; }
        .update-time { font-size: 13px; color: #a0aec0; margin-top: 10px; }
        .char-result { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); border-radius: 15px; padding: 50px 40px; text-align: center; margin-bottom: 30px; }
        .char-display { width: 140px; height: 140px; background: white; border-radius: 25px; display: flex; align-items: center; justify-content: center; font-size: 80px; font-weight: 700; color: #667eea; box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15); margin: 0 auto 25px; }
        .char-pinyin { font-size: 42px; color: white; margin-bottom: 15px; font-weight: 600; }
        .char-type { display: inline-block; padding: 8px 25px; background: rgba(255, 255, 255, 0.2); border-radius: 25px; font-size: 16px; color: white; }
        .voice-btn { background: rgba(255,255,255,0.2); border: none; color: white; padding: 10px 20px; border-radius: 25px; cursor: pointer; margin-top: 15px; font-size: 14px; }
        .voice-btn:hover { background: rgba(255,255,255,0.3); }
        .pinyin-section { margin-bottom: 30px; }
        .pinyin-section h3 { font-size: 18px; color: #2d3748; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
        .pinyin-section h3 i { color: #667eea; }
        .pinyin-card { background: linear-gradient(135deg, #f8fafc 0%, #f0f4ff 100%); border-radius: 15px; padding: 30px; margin-bottom: 15px; border-left: 4px solid #667eea; }
        .pinyin-header { display: flex; align-items: center; gap: 20px; margin-bottom: 15px; }
        .pinyin-text { font-size: 32px; font-weight: 700; color: #667eea; }
        .pinyin-desc { font-size: 16px; color: #4a5568; line-height: 1.8; }
        .jieshi-list { margin-top: 15px; }
        .jieshi-item { padding: 8px 0; border-bottom: 1px dashed #e2e8f0; }
        .jieshi-item:last-child { border-bottom: none; }
        .zuci-section { margin-top: 20px; }
        .zuci-tags { display: flex; flex-wrap: wrap; gap: 10px; }
        .zuci-tag { background: #667eea; color: white; padding: 6px 15px; border-radius: 20px; font-size: 14px; }
        .polyphone-section { background: #fff3cd; border-radius: 15px; padding: 25px; margin-bottom: 30px; border-left: 4px solid #ffc107; }
        .polyphone-section h3 { color: #856404; margin-bottom: 15px; }
        .polyphone-list { display: flex; flex-wrap: wrap; gap: 15px; }
        .polyphone-item { background: white; padding: 15px 25px; border-radius: 10px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        .polyphone-item .py { font-size: 24px; color: #667eea; font-weight: 700; }
        .polyphone-item .desc { font-size: 14px; color: #666; margin-top: 5px; }
        .search-section { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); border-radius: 15px; padding: 35px; }
        .search-section h3 { font-size: 20px; color: white; margin-bottom: 25px; display: flex; align-items: center; gap: 10px; }
        .search-form { display: grid; grid-template-columns: 1fr auto; gap: 15px; align-items: center; }
        .search-input-wrapper { position: relative; }
        .search-input-wrapper i { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); color: #667eea; font-size: 18px; }
        .search-input { width: 100%; padding: 14px 20px 14px 50px; font-size: 16px; border: none; border-radius: 12px; background: white; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); }
        .search-btn { padding: 14px 35px; background: white; color: #667eea; border: none; border-radius: 12px; font-size: 15px; font-weight: 700; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); transition: all 0.3s; }
        .search-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2); }
        .related-section { background: white; border-radius: 15px; padding: 25px; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05); margin-bottom: 40px; }
        .related-section h2 { font-size: 18px; color: #2d3748; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
        .related-section h2 i { color: #667eea; }
        .related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 15px; }
        .related-item { display: flex; align-items: center; gap: 10px; padding: 12px 15px; background: #f7fafc; border-radius: 10px; text-decoration: none; color: #4a5568; transition: all 0.3s; }
        .related-item:hover { background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%); transform: translateX(5px); }
        .related-item i { color: #667eea; }
        .related-item em { font-style: normal; font-size: 13px; color: #718096; margin-left: auto; }

        /* 声调信息标签 */
        .tone-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; width: 100%; }
        .tone-tag { font-size: 12px; color: #667eea; background: rgba(102, 126, 234, 0.08); border: 1px solid rgba(102, 126, 234, 0.2); padding: 3px 10px; border-radius: 999px; }

        /* 多音字完整读音卡片 */
        .poly-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 15px; }
        .poly-card { background: #f7fafc; border: 1px solid #e2e8f0; border-radius: 12px; padding: 18px; transition: all 0.3s; }
        .poly-card:hover { border-color: #667eea; box-shadow: 0 4px 12px rgba(102, 126, 234, 0.12); }
        .poly-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .poly-card-py { font-size: 22px; font-weight: 700; color: #667eea; }
        .poly-voice { padding: 6px 10px; font-size: 13px; }
        .poly-card-shiyi { font-size: 14px; color: #2d3748; margin-bottom: 8px; }
        .poly-card-jieshi { margin: 0 0 10px; padding-left: 20px; color: #4a5568; font-size: 13px; }
        .poly-card-jieshi li { margin-bottom: 4px; }
        .poly-card-zuci { display: flex; flex-wrap: wrap; gap: 6px; }

        /* 组词标签 */
        .zuci-tag { font-size: 13px; color: #4a5568; background: white; border: 1px solid #e2e8f0; padding: 4px 12px; border-radius: 999px; cursor: default; transition: all 0.3s; }
        .zuci-tag:hover { color: #667eea; border-color: #667eea; }

        /* 工具互通入口 */
        .cross-link-section { display: flex; gap: 12px; flex-wrap: wrap; margin: 25px 0; }
        .cross-link-btn { flex: 1; min-width: 200px; text-align: center; padding: 14px 20px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; border-radius: 12px; text-decoration: none; font-size: 15px; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 8px; box-shadow: 0 4px 12px rgba(102, 126, 234, 0.25); transition: all 0.3s; }
        .cross-link-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(102, 126, 234, 0.35); }
        .cross-link-plain { background: white; color: #4a5568; border: 1px solid #e2e8f0; box-shadow: none; }
        .cross-link-plain:hover { border-color: #667eea; color: #667eea; }
        .seo-content { background: white; border-radius: 15px; padding: 30px; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05); }
        .seo-content h2 { font-size: 20px; color: #2d3748; margin-bottom: 15px; }
        .seo-content p { color: #4a5568; margin-bottom: 15px; line-height: 1.8; }
        footer { background: #2d3748; color: #a0aec0; padding: 40px 0 20px; margin-top: 60px; }
        .footer-content { text-align: center; }
        .footer-links { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; flex-wrap: wrap; }
        .footer-links a { color: #a0aec0; text-decoration: none; }
        .copyright { font-size: 14px; color: #718096; }
        @media (max-width: 768px) {
            .header-content { flex-direction: column; text-align: center; }
            nav ul { flex-wrap: wrap; justify-content: center; }
            .result-section { padding: 25px 20px; }
            .result-header h1 { font-size: 22px; }
            .char-display { width: 100px; height: 100px; font-size: 60px; }
            .char-pinyin { font-size: 32px; }
            .search-form { grid-template-columns: 1fr; }
        }