/* ===== 404页面独享CSS部分 ===== */
        
        /* 页面标题部分 */
        .page-header {
            background: linear-gradient(rgba(26, 58, 95, 0.85), rgba(26, 58, 95, 0.9)), url('/template/jia/images/2.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 180px 0 100px;
            text-align: center;
            margin-top: 70px;
        }

        .page-title {
            font-size: 48px;
            margin-bottom: 20px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s forwards 0.5s;
        }

        .page-subtitle {
            font-size: 20px;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s forwards 0.8s;
        }

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

        /* 404内容部分 */
        .error-section {
            padding: 100px 0;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 60vh;
        }

        .error-container {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            padding: 60px 40px;
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
            position: relative;
            overflow: hidden;
        }

        .error-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }

        .error-number {
            font-size: 120px;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }

        .error-number::after {
            content: '';
            position: absolute;
            bottom: 10px;
            left: 0;
            width: 100%;
            height: 10px;
            background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
            animation: shimmer 3s infinite;
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        .error-title {
            font-size: 32px;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .error-description {
            font-size: 18px;
            color: var(--gray-color);
            margin-bottom: 40px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .error-btn {
            display: inline-flex;
            align-items: center;
            padding: 12px 30px;
            background-color: var(--primary-color);
            color: white;
            text-decoration: none;
            border-radius: 5px;
            font-weight: 600;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .error-btn:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .error-btn i {
            margin-right: 8px;
        }

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

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

        /* 404动画效果 */
        .error-animation {
            margin-bottom: 40px;
            position: relative;
            height: 150px;
        }

        .error-icon {
            font-size: 80px;
            color: var(--secondary-color);
            margin-bottom: 20px;
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-20px);
            }
            60% {
                transform: translateY(-10px);
            }
        }

        .floating-elements {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }

        .floating-element {
            position: absolute;
            font-size: 24px;
            color: var(--primary-color);
            opacity: 0.3;
            animation: float 15s infinite linear;
        }

        .floating-element:nth-child(1) {
            top: 10%;
            left: 10%;
            animation-delay: 0s;
        }

        .floating-element:nth-child(2) {
            top: 20%;
            right: 15%;
            animation-delay: 2s;
        }

        .floating-element:nth-child(3) {
            bottom: 30%;
            left: 20%;
            animation-delay: 4s;
        }

        .floating-element:nth-child(4) {
            bottom: 10%;
            right: 10%;
            animation-delay: 6s;
        }

        .floating-element:nth-child(5) {
            top: 40%;
            left: 5%;
            animation-delay: 8s;
        }

        @keyframes float {
            0% {
                transform: translate(0, 0) rotate(0deg);
            }
            25% {
                transform: translate(20px, 20px) rotate(90deg);
            }
            50% {
                transform: translate(0, 40px) rotate(180deg);
            }
            75% {
                transform: translate(-20px, 20px) rotate(270deg);
            }
            100% {
                transform: translate(0, 0) rotate(360deg);
            }
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background-color: white;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
                transition: var(--transition);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 15px 0;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .phone-number {
                display: none;
            }
            
            .page-title {
                font-size: 36px;
            }
            
            .page-subtitle {
                font-size: 18px;
            }
            
            .error-number {
                font-size: 90px;
            }
            
            .error-title {
                font-size: 28px;
            }
            
            .error-description {
                font-size: 16px;
            }
            
            .error-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .error-btn {
                width: 100%;
                max-width: 250px;
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .error-container {
                padding: 40px 20px;
            }
            
            .error-number {
                font-size: 70px;
            }
            
            .error-title {
                font-size: 24px;
            }
            
            .error-description {
                font-size: 15px;
            }
        }