/* 404页面样式 */
        .error-section {
            margin-top: 80px;
            padding: 100px 0;
            background-color: #f8f9fa;
            min-height: calc(100vh - 80px);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .error-container {
            background-color: var(--white);
            border-radius: 10px;
            box-shadow: var(--shadow);
            padding: 60px 40px;
            text-align: center;
            max-width: 700px;
            width: 100%;
            margin: 0 auto;
            animation: fadeInUp 0.8s ease forwards;
            opacity: 0;
            transform: translateY(20px);
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .error-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .error-icon {
            width: 150px;
            height: 150px;
            margin: 0 auto 30px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 4rem;
            animation: pulse 2s infinite, rotate 10s linear infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(26, 95, 122, 0.7); }
            70% { box-shadow: 0 0 0 20px rgba(26, 95, 122, 0); }
            100% { box-shadow: 0 0 0 0 rgba(26, 95, 122, 0); }
        }

        .error-title {
            font-size: 6rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1;
            animation: shake 2s ease infinite;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
            20%, 40%, 60%, 80% { transform: translateX(5px); }
        }

        .error-subtitle {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }

        .error-message {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 40px;
            max-width: 500px;
            line-height: 1.6;
        }

        .error-actions {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-secondary {
            background: var(--white);
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
        }

        .btn-secondary:hover {
            background: var(--primary-color);
            color: var(--white);
        }

        /* 推荐内容 */
        .recommended-section {
            margin-top: 60px;
            padding: 40px 0;
            border-top: 1px solid #eee;
        }

        .recommended-section h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 30px;
            text-align: center;
        }

        .recommended-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .recommended-links a {
            padding: 8px 20px;
            background-color: #f8f9fa;
            border-radius: 30px;
            color: var(--text-color);
            transition: var(--transition);
            border: 1px solid #e9ecef;
        }

        .recommended-links a:hover {
            background-color: var(--primary-color);
            color: var(--white);
            transform: translateY(-2px);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .error-container {
                padding: 40px 25px;
            }
            
            .error-title {
                font-size: 4rem;
            }
            
            .error-subtitle {
                font-size: 1.5rem;
            }
            
            .error-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .error-actions .btn {
                width: 100%;
                max-width: 250px;
            }
        }

        @media (max-width: 576px) {
            .error-title {
                font-size: 3rem;
            }
            
            .error-subtitle {
                font-size: 1.3rem;
            }
            
            .error-message {
                font-size: 1rem;
            }
        }