/* 独享CSS部分 - 404页面 */
        
        /* 404内容区域 */
        .error-content {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 150px 0 80px;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }
        
        .error-container {
            text-align: center;
            max-width: 600px;
            width: 100%;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 404数字动画 */
        .error-number {
            font-size: 12rem;
            font-weight: 900;
            color: var(--primary-color);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
            line-height: 1;
        }
        
        .error-number::before {
            content: '';
            position: absolute;
            top: -10px;
            left: -10px;
            right: -10px;
            bottom: -10px;
            background: linear-gradient(45deg, transparent, rgba(212, 175, 55, 0.1), transparent);
            border-radius: 20px;
            z-index: -1;
            animation: numberGlow 3s infinite linear;
        }
        
        @keyframes numberGlow {
            0% {
                opacity: 0.5;
                transform: scale(1);
            }
            50% {
                opacity: 0.8;
                transform: scale(1.05);
            }
            100% {
                opacity: 0.5;
                transform: scale(1);
            }
        }
        
        .error-number span {
            display: inline-block;
            animation: numberBounce 2s infinite ease-in-out;
        }
        
        .error-number span:nth-child(1) {
            animation-delay: 0s;
        }
        
        .error-number span:nth-child(2) {
            animation-delay: 0.1s;
        }
        
        .error-number span:nth-child(3) {
            animation-delay: 0.2s;
        }
        
        @keyframes numberBounce {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-20px);
            }
        }
        
        /* 错误信息 */
        .error-message {
            margin-bottom: 40px;
        }
        
        .error-message h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .error-message h2::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .error-message p {
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 10px;
        }
        
        /* 操作按钮 */
        .error-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            padding: 12px 30px;
            background-color: var(--secondary-color);
            color: var(--primary-color);
            border-radius: 4px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--secondary-color);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: var(--transition);
            z-index: -1;
        }
        
        .btn:hover::before {
            left: 100%;
        }
        
        .btn: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: var(--text-light);
        }
        
        .btn i {
            margin-right: 8px;
        }
        
        /* 搜索框 */
        .error-search {
            max-width: 400px;
            margin: 40px auto 0;
            position: relative;
        }
        
        .search-box {
            display: flex;
            background: white;
            border-radius: 4px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .search-input {
            flex: 1;
            padding: 12px 20px;
            border: none;
            outline: none;
            font-size: 1rem;
        }
        
        .search-btn {
            padding: 12px 20px;
            background-color: var(--primary-color);
            color: var(--text-light);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .search-btn:hover {
            background-color: var(--secondary-color);
            color: var(--primary-color);
        }
        
        /* 404图标 */
        .error-icon {
            margin-bottom: 40px;
            position: relative;
        }
        
        .error-icon i {
            font-size: 8rem;
            color: var(--secondary-color);
            position: relative;
            z-index: 1;
            animation: iconFloat 3s infinite ease-in-out;
        }
        
        @keyframes iconFloat {
            0%, 100% {
                transform: translateY(0) rotate(0deg);
            }
            50% {
                transform: translateY(-10px) rotate(5deg);
            }
        }
        
        .error-icon::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 120px;
            height: 120px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            animation: pulse 2s infinite ease-in-out;
        }
        
        @keyframes pulse {
            0%, 100% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 0.5;
            }
            50% {
                transform: translate(-50%, -50%) scale(1.2);
                opacity: 0.8;
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .error-number {
                font-size: 8rem;
            }
            
            .error-message h2 {
                font-size: 2rem;
            }
            
            .error-icon i {
                font-size: 6rem;
            }
            
            .error-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 250px;
                justify-content: center;
            }
        }
        
        @media (max-width: 576px) {
            .error-number {
                font-size: 6rem;
            }
            
            .error-message h2 {
                font-size: 1.8rem;
            }
            
            .error-message p {
                font-size: 1rem;
            }
            
            .error-icon i {
                font-size: 4rem;
            }
        }