/* 全局样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: "Microsoft YaHei", Arial, sans-serif;
            font-size: 14px;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }
        
        a {
            text-decoration: none;
            color: #06c;
        }
        
        a:hover {
            color: #f60;
            text-decoration: underline;
        }
        
        .container {
            width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .clearfix::after {
            content: "";
            display: table;
            clear: both;
        }
        
        /* 头部样式 */
        .header {
            background-color: #fff;
            border-bottom: 1px solid #e0e0e0;
            padding: 15px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .logo {
            flex: 1;
        }
        
        .logo h1 {
            font-size: 28px;
            color: #06c;
            font-weight: bold;
        }
        
        .logo p {
            font-size: 13px;
            color: #999;
            margin-top: 5px;
        }
        
        /* 会员功能区 */
        .user-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .vip-center, .daily-checkin {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 14px;
            transition: all 0.3s ease;
        }
        
        .vip-center {
            background: linear-gradient(135deg, #ffd700, #ffaa00);
            color: #8b4513;
            font-weight: bold;
        }
        
        .vip-center:hover {
            background: linear-gradient(135deg, #ffaa00, #ff8c00);
            transform: translateY(-2px);
            box-shadow: 0 3px 8px rgba(255, 170, 0, 0.3);
            color: #8b4513;
            text-decoration: none;
        }
        
        .daily-checkin {
            background: linear-gradient(135deg, #36c, #1890ff);
            color: white;
        }
        
        .daily-checkin:hover {
            background: linear-gradient(135deg, #1890ff, #36c);
            transform: translateY(-2px);
            box-shadow: 0 3px 8px rgba(24, 144, 255, 0.3);
            color: white;
            text-decoration: none;
        }
        
        /* 搜索区域 */
        .search-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .search-box {
            flex: 1;
            position: relative;
        }
        
        .search-box input {
            width: 100%;
            padding: 14px 20px;
            padding-left: 50px;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 16px;
            transition: all 0.3s ease;
            background-color: #f9f9f9;
        }
        
        .search-box input:focus {
            border-color: #06c;
            background-color: white;
            box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
            outline: none;
        }
        
        .search-icon {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            pointer-events: none;
        }
        
        /* 搜索按钮修复 - 关键部分 */
        .search-btn {
            position: relative;
            padding: 14px 30px 14px 55px; /* 增加左侧内边距给图标留空间 */
            background: linear-gradient(135deg, #06c, #004d99);
            color: white;
            border: none;
            border-radius: 30px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        
        .search-btn:hover {
            background: linear-gradient(135deg, #004d99, #003366);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
        }
        
        /* 搜索按钮内的图标 */
        .search-btn-icon {
            position: absolute;
            left: 20px; /* 按钮内的图标位置 */
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            filter: invert(1); /* 让图标变成白色 */
        }
        
        /* 导航样式 */
        .nav {
            background-color: #fff;
            border-bottom: 1px solid #e0e0e0;
            margin-bottom: 20px;
        }
        
        .nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
        }
        
        .nav-list li {
            flex: 1;
            text-align: center;
        }
        
        .nav-list a {
            display: block;
            padding: 18px 0;
            color: #333;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.3s ease;
            border-bottom: 3px solid transparent;
        }
        
        .nav-list a:hover, .nav-list a.active {
            color: #06c;
            background-color: #f9f9f9;
            border-bottom-color: #06c;
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            padding: 12px 0;
            color: #666;
            font-size: 14px;
            margin-bottom: 20px;
            background-color: #fff;
            padding-left: 20px;
            border-radius: 5px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }
        
        .breadcrumb a {
            color: #666;
        }
        
        /* 文档详情页布局修复 */
        .doc-detail-wrapper {
            display: flex;
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .doc-detail-main {
            flex: 1;
            width: 0; /* 修复flex布局问题 */
        }
        
        .doc-detail-sidebar {
            width: 300px;
            flex-shrink: 0;
        }
        
        /* 文档详情容器 */
        .doc-detail-container {
            background-color: #fff;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        .doc-detail-header {
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
            margin-bottom: 25px;
        }
        
        .doc-detail-title {
            font-size: 28px;
            color: #333;
            margin-bottom: 15px;
            line-height: 1.3;
        }
        
        .doc-detail-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 25px;
            color: #666;
            margin-bottom: 15px;
        }
        
        .doc-detail-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .doc-download-count {
            color: #f60;
            font-weight: bold;
            font-size: 16px;
        }
        
        .doc-detail-content {
            line-height: 1.8;
            color: #444;
            font-size: 15px;
        }
        
        .doc-detail-content p {
            margin-bottom: 15px;
        }
        
        .doc-detail-content h3 {
            font-size: 20px;
            color: #333;
            margin: 25px 0 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin: 20px 0;
        }
        
        .feature-item {
            background-color: #f9f9f9;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #06c;
        }
        
        .feature-item h4 {
            color: #333;
            margin-bottom: 10px;
            font-size: 16px;
        }
        
        .doc-preview {
            background-color: #f9f9f9;
            padding: 25px;
            border-radius: 8px;
            margin: 25px 0;
            text-align: center;
        }
        
        .preview-pages {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 20px;
        }
        
        .page-box {
            width: 180px;
            height: 240px;
            background-color: white;
            border: 1px solid #ddd;
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-size: 18px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        
        .doc-action-area {
            background: linear-gradient(135deg, #f0f7ff, #e6f0ff);
            padding: 25px;
            border-radius: 8px;
            margin-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .doc-rating {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .rating-stars {
            color: #ffc107;
            font-size: 20px;
        }
        
        .rating-text {
            color: #666;
            font-size: 15px;
        }
        
        /* 作者信息卡片 */
        .author-card {
            background-color: #fff;
            border-radius: 8px;
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            text-align: center;
        }
        
        .author-avatar {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #06c, #1890ff);
            border-radius: 50%;
            color: white;
            font-size: 28px;
            line-height: 80px;
            margin: 0 auto 15px;
        }
        
        .author-name {
            font-size: 18px;
            color: #333;
            margin-bottom: 5px;
        }
        
        .author-title {
            color: #f60;
            margin-bottom: 15px;
            font-size: 14px;
        }
        
        .author-stats {
            display: flex;
            justify-content: space-around;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-value {
            display: block;
            font-size: 20px;
            font-weight: bold;
            color: #333;
        }
        
        .stat-label {
            font-size: 13px;
            color: #666;
        }
        
        /* 相关推荐 */
        .related-docs {
            background-color: #fff;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        .sidebar-title {
            font-size: 16px;
            font-weight: bold;
            color: #333;
            padding-bottom: 12px;
            margin-bottom: 15px;
            border-bottom: 2px solid #06c;
        }
        
        .related-list {
            list-style: none;
        }
        
        .related-item {
            padding: 12px 0;
            border-bottom: 1px dashed #eee;
        }
        
        .related-item:last-child {
            border-bottom: none;
        }
        
        .related-item a {
            color: #444;
            display: block;
        }
        
        .related-item a:hover {
            color: #06c;
        }
        
        .related-meta {
            font-size: 12px;
            color: #999;
            margin-top: 3px;
        }
        
        /* 按钮样式 */
        .btn-download {
            display: inline-block;
            padding: 15px 40px;
            background: linear-gradient(135deg, #06c, #004d99);
            color: white;
            border-radius: 5px;
            font-size: 18px;
            font-weight: 500;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .btn-download:hover {
            background: linear-gradient(135deg, #004d99, #003366);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 102, 204, 0.3);
            color: white;
            text-decoration: none;
        }
        
        /* 底部 */
        .footer {
            background-color: #fff;
            border-top: 1px solid #e0e0e0;
            padding: 35px 0;
            text-align: center;
            color: #666;
            font-size: 14px;
        }
        
        .footer-links {
            margin-bottom: 20px;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 25px;
        }
        
        .footer-links a {
            color: #666;
            font-size: 14px;
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover {
            color: #06c;
            transform: translateY(-2px);
        }
        
        .copyright {
            color: #999;
            line-height: 1.8;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .container {
                width: 100%;
            }
        }
        
        @media (max-width: 992px) {
            .doc-detail-wrapper {
                flex-direction: column;
            }
            
            .doc-detail-sidebar {
                width: 100%;
            }
            
            .header-top {
                flex-direction: column;
                gap: 15px;
            }
            
            .user-actions {
                width: 100%;
                justify-content: center;
            }
            
            .doc-action-area {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .nav-list {
                flex-wrap: wrap;
            }
            
            .nav-list li {
                flex: 1 0 33%;
            }
            
            .nav-list a {
                padding: 12px 0;
                font-size: 14px;
            }
            
            .doc-detail-meta {
                gap: 15px;
            }
            
            .preview-pages {
                flex-direction: column;
                align-items: center;
            }
            
            /* 响应式搜索按钮 */
            .search-btn {
                padding: 14px 20px 14px 45px;
            }
            
            .search-btn-icon {
                left: 15px;
            }
        }
        
        @media (max-width: 576px) {
            .search-btn span {
                display: none; /* 在小屏幕上隐藏文字 */
            }
            
            .search-btn {
                width: 50px;
                padding: 14px;
                border-radius: 50%;
            }
            
            .search-btn-icon {
                left: 50%;
                transform: translate(-50%, -50%);
            }
        }