  /* 独享CSS部分 - 404页面 */
        
        /* 404内容区域 */
        .error-content {
            padding: 150px 0;
            background: var(--light-color);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            margin-top: 80px;
        }

        .error-container {
            text-align: center;
            max-width: 800px;
            width: 100%;
            animation: fadeIn 1s ease;
        }

        .error-icon {
            font-size: 10rem;
            color: var(--primary-color);
            margin-bottom: 30px;
            animation: bounce 2s infinite;
            position: relative;
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-20px);
            }
            60% {
                transform: translateY(-10px);
            }
        }

        .error-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 200px;
            height: 200px;
            background: rgba(15, 43, 91, 0.1);
            border-radius: 50%;
            z-index: -1;
            animation: pulse 3s infinite;
        }

        @keyframes pulse {
            0% {
                transform: translate(-50%, -50%) scale(0.8);
                opacity: 0.7;
            }
            50% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 0.3;
            }
            100% {
                transform: translate(-50%, -50%) scale(0.8);
                opacity: 0.7;
            }
        }

        .error-title {
            font-size: 4rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            font-weight: 700;
            animation: fadeInUp 1s ease 0.3s forwards;
            opacity: 0;
        }

        .error-subtitle {
            font-size: 1.8rem;
            color: var(--accent-color);
            margin-bottom: 30px;
            animation: fadeInUp 1s ease 0.5s forwards;
            opacity: 0;
        }

        .error-description {
            font-size: 1.2rem;
            color: var(--text-light);
            margin-bottom: 40px;
            line-height: 1.8;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            animation: fadeInUp 1s ease 0.7s forwards;
            opacity: 0;
        }

        .error-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
            animation: fadeInUp 1s ease 0.9s forwards;
            opacity: 0;
        }

        .quick-links {
            background: white;
            border-radius: 15px;
            box-shadow: var(--shadow);
            padding: 40px;
            max-width: 600px;
            margin: 0 auto;
            animation: fadeIn 1s ease 1.1s forwards;
            opacity: 0;
        }

        .quick-links h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 25px;
            position: relative;
            display: inline-block;
        }

        .quick-links h3::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background: var(--gradient);
            border-radius: 2px;
        }

        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .link-card {
            background: rgba(15, 43, 91, 0.05);
            border-radius: 10px;
            padding: 20px;
            transition: var(--transition);
            text-align: center;
        }

        .link-card:hover {
            background: var(--gradient);
            transform: translateY(-5px);
        }

        .link-card:hover .link-icon {
            color: white;
        }

        .link-card:hover .link-text {
            color: white;
        }

        .link-icon {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .link-text {
            font-weight: 600;
            color: var(--primary-color);
            transition: var(--transition);
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .error-content {
                padding: 100px 0;
            }

            .error-icon {
                font-size: 6rem;
            }

            .error-title {
                font-size: 3rem;
            }

            .error-subtitle {
                font-size: 1.5rem;
            }

            .error-actions {
                flex-direction: column;
                align-items: center;
            }

            .links-grid {
                grid-template-columns: 1fr;
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }