/* 独享CSS - 404页面 */
        
        /* 页面标题样式 */
        .page-header {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        
        .page-header h1 {
            font-size: 3rem;
            margin-bottom: 20px;
        }
        
        .page-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 404内容样式 */
        .error-section {
            padding: 80px 0;
            display: flex;
            justify-content: center;
            align-items: center;
            flex: 1; /* 确保内容区域占据剩余空间 */
        }
        
        .error-container {
            text-align: center;
            max-width: 700px;
            width: 100%;
            margin: 0 auto; /* 确保水平居中 */
            padding: 0 20px;
        }
        
        .error-number {
            font-size: 12rem;
            font-weight: 900;
            color: var(--primary-color);
            line-height: 1;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
            animation: numberFloat 4s infinite ease-in-out;
        }
        
        @keyframes numberFloat {
            0% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0); }
        }
        
        .error-number::before,
        .error-number::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            border-radius: 50%;
            opacity: 0.2;
            z-index: -1;
        }
        
        .error-number::before {
            background: var(--secondary-color);
            animation: pulse1 3s infinite ease-in-out;
        }
        
        .error-number::after {
            background: var(--accent-color);
            animation: pulse2 3s infinite ease-in-out;
        }
        
        @keyframes pulse1 {
            0% { transform: scale(1); opacity: 0.2; }
            50% { transform: scale(1.2); opacity: 0.1; }
            100% { transform: scale(1); opacity: 0.2; }
        }
        
        @keyframes pulse2 {
            0% { transform: scale(1); opacity: 0.2; }
            50% { transform: scale(1.3); opacity: 0.1; }
            100% { transform: scale(1); opacity: 0.2; }
        }
        
        .error-title {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .error-description {
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 40px;
            line-height: 1.6;
        }
        
        .error-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            border: 2px solid;
        }
        
        .btn-primary {
            background-color: var(--secondary-color);
            color: var(--primary-color);
            border-color: var(--secondary-color);
        }
        
        .btn-primary:hover {
            background-color: transparent;
            color: var(--secondary-color);
        }
        
        .btn-secondary {
            background-color: transparent;
            color: var(--primary-color);
            border-color: var(--primary-color);
        }
        
        .btn-secondary:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        .btn i {
            margin-right: 8px;
        }
        
        /* 搜索框样式 */
        .search-box {
            max-width: 500px;
            margin: 40px auto;
            position: relative;
        }
        
        .search-input {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 1rem;
            transition: var(--transition);
            outline: none;
        }
        
        .search-input:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(10, 36, 99, 0.1);
        }
        
        .search-btn {
            position: absolute;
            right: 5px;
            top: 5px;
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 30px;
            padding: 10px 20px;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .search-btn:hover {
            background: var(--accent-color);
        }
        
        /* 快速链接样式 */
        .quick-links {
            margin-top: 60px;
        }
        
        .quick-links h3 {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin-bottom: 25px;
            text-align: center;
        }
        
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        
        .link-card {
            background: white;
            border-radius: 10px;
            padding: 25px 20px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .link-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            color: white;
            font-size: 1.5rem;
        }
        
        .link-card h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }
        
        .link-card a {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }
        
        .link-card a:hover {
            color: var(--primary-color);
        }
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            .error-number {
                font-size: 10rem;
            }
            
            .error-title {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 2.5rem;
            }
            
            .error-number {
                font-size: 8rem;
            }
            
            .error-title {
                font-size: 1.8rem;
            }
            
            .error-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            
            .links-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 480px) {
            .error-number {
                font-size: 6rem;
            }
            
            .error-title {
                font-size: 1.5rem;
            }
            
            .links-grid {
                grid-template-columns: 1fr;
            }
        }