* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Microsoft YaHei', sans-serif;
            background-color: #f5f5f5;
            padding: 20px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            flex: 1;
        }
        .header {
            text-align: center;
            margin-bottom: 30px;
        }
        .header h1 {
            color: #333;
            font-size: 2.5rem;
            margin-bottom: 10px;
        }
        .header p {
            color: #666;
            font-size: 1.1rem;
        }
        
        /* 分类菜单样式 */
        .category-menu {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
            padding: 0 20px;
        }
        .category-item {
            padding: 8px 16px;
            background-color: white;
            border: 1px solid #ddd;
            border-radius: 20px;
            text-decoration: none;
            color: #333;
            transition: all 0.3s;
            font-size: 14px;
        }
        .category-item:hover {
            background-color: #6e8efb;
            color: white;
            border-color: #6e8efb;
        }
        .category-item.active {
            background-color: #6e8efb;
            color: white;
            border-color: #6e8efb;
        }
        
        .search-container {
            margin-bottom: 30px;
            text-align: center;
        }
        .search-form {
            display: inline-flex;
            max-width: 500px;
            width: 100%;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #6e8efb;
            border-radius: 4px 0 0 4px;
            font-size: 16px;
        }
        .search-button {
            padding: 12px 20px;
            background-color: #6e8efb;
            color: white;
            border: none;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background-color: #5a7de0;
        }
        .clear-search {
            display: block;
            margin-top: 10px;
            color: #6e8efb;
            text-decoration: none;
            font-weight: bold;
        }
        .clear-search:hover {
            text-decoration: underline;
        }
        .search-results {
            margin-bottom: 20px;
            text-align: center;
            color: #666;
            font-size: 1.1rem;
        }
        .grid-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        .grid-item {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 20px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
        }
        .grid-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.15);
        }
        .grid-item.fixed {
            background: linear-gradient(135deg, #6e8efb, #a777e3);
            color: white;
        }
        .grid-item.top {
            border: 2px solid #ff9800;
        }
        .grid-item.top::before {
            content: "置顶";
            position: absolute;
            top: 10px;
            right: 10px;
            background-color: #ff9800;
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: bold;
        }
        .qr-code {
            width: 100%;
            max-width: 150px;
            height: auto;
            margin: 15px auto;
            border-radius: 4px;
        }
        h3 {
            margin-bottom: 10px;
            font-size: 18px;
            color: #333;
        }
        p {
            color: #666;
            font-size: 14px;
            line-height: 1.5;
        }
        .fixed p {
            color: rgba(255,255,255,0.9);
        }
        .submit-link {
            position: fixed;
            bottom: 70px;
            right: 20px;
            background-color: #2196F3;
            color: white;
            padding: 12px 20px;
            border-radius: 50px;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(33, 150, 243, 0.4);
            z-index: 100;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(33, 150, 243, 0.5);
        }
        .admin-link {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: #4CAF50;
            color: white;
            padding: 12px 20px;
            border-radius: 50px;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
            z-index: 100;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .admin-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(76, 175, 80, 0.5);
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            margin: 30px 0;
            flex-wrap: wrap;
        }
        .pagination a, .pagination span {
            display: inline-block;
            padding: 8px 16px;
            margin: 0 4px;
            border: 1px solid #ddd;
            border-radius: 4px;
            text-decoration: none;
            color: #333;
            transition: background-color 0.3s;
        }
        .pagination a:hover {
            background-color: #f5f5f5;
        }
        .pagination .current {
            background-color: #6e8efb;
            color: white;
            border-color: #6e8efb;
        }
        .pagination .disabled {
            color: #ccc;
            cursor: not-allowed;
        }
        
        /* 版权信息样式 */
        .footer {
            background-color: #333;
            color: #fff;
            padding: 30px 0;
            text-align: center;
            margin-top: auto;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #fff;
            margin: 0 15px;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #6e8efb;
        }
        .copyright {
            font-size: 14px;
            opacity: 0.8;
            margin-top: 10px;
        }
        .footer-divider {
            width: 60px;
            height: 2px;
            background: linear-gradient(135deg, #6e8efb, #a777e3);
            margin: 15px auto;
        }
        
        @media (max-width: 992px) {
            .grid-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .grid-container {
                grid-template-columns: 1fr;
            }
            .footer-links {
                flex-direction: column;
                gap: 10px;
            }
            .footer-links a {
                margin: 5px 0;
            }
            .pagination a, .pagination span {
                padding: 6px 12px;
                margin: 2px;
            }
            .header h1 {
                font-size: 2rem;
            }
            .submit-link, .admin-link {
                padding: 10px 15px;
                font-size: 14px;
            }
            .category-menu {
                gap: 5px;
            }
            .category-item {
                padding: 6px 12px;
                font-size: 12px;
            }
        }