/* ====== 独享CSS部分 (404错误页面) ====== */
        /* 404页面主体样式 */
        .error-page {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background-color: var(--white);
        }
        
        .error-content {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 180px 0 100px;
            position: relative;
            overflow: hidden;
        }
        
        .error-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #F8FAFF 0%, #FFFFFF 100%);
            z-index: -1;
        }
        
        .error-bg-pattern {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 82, 255, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(0, 198, 255, 0.05) 0%, transparent 20%);
            z-index: -1;
        }
        
        .error-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
            width: 100%;
            padding: 0 24px;
        }
        
        /* 404数字样式 */
        .error-number {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 40px;
            position: relative;
        }
        
        .error-digit {
            font-size: 12rem;
            font-weight: 900;
            color: var(--primary);
            font-family: 'Noto Sans SC', sans-serif;
            line-height: 1;
            text-shadow: 0 10px 30px rgba(0, 82, 255, 0.2);
            opacity: 0;
            transform: translateY(30px);
            animation-duration: 0.8s;
            animation-fill-mode: forwards;
        }
        
        .error-digit:nth-child(1) {
            animation-name: fadeInUp;
            animation-delay: 0.1s;
        }
        
        .error-digit:nth-child(2) {
            animation-name: fadeInUp;
            animation-delay: 0.3s;
        }
        
        .error-digit:nth-child(3) {
            animation-name: fadeInUp;
            animation-delay: 0.5s;
        }
        
        .error-digit::before {
            content: attr(data-digit);
            position: absolute;
            top: 5px;
            left: 5px;
            color: rgba(0, 82, 255, 0.2);
            z-index: -1;
        }
        
        /* 错误信息样式 */
        .error-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--dark);
            font-family: 'Noto Sans SC', sans-serif;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s ease-out 0.7s forwards;
        }
        
        .error-description {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 40px;
            line-height: 1.7;
            max-width: 600px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s ease-out 0.9s forwards;
        }
        
        /* 按钮样式 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: var(--white);
            padding: 16px 32px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 10px 25px rgba(0, 82, 255, 0.2);
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s ease-out 1.1s forwards;
        }
        
        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 82, 255, 0.3);
        }
        
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: transparent;
            color: var(--primary);
            padding: 16px 32px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: 2px solid var(--border);
            margin-left: 20px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s ease-out 1.3s forwards;
        }
        
        .btn-secondary:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }
        
        .error-actions {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 60px;
        }
        
        /* 搜索框样式 */
        .search-box {
            max-width: 500px;
            width: 100%;
            margin-top: 40px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s ease-out 1.5s forwards;
        }
        
        .search-container {
            position: relative;
            width: 100%;
        }
        
        .search-input {
            width: 100%;
            padding: 16px 60px 16px 24px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 1rem;
            font-family: 'Inter', 'Noto Sans SC', sans-serif;
            transition: var(--transition);
            background-color: var(--white);
        }
        
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.1);
        }
        
        .search-button {
            position: absolute;
            top: 50%;
            right: 10px;
            transform: translateY(-50%);
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: var(--white);
            border: none;
            border-radius: 50%;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .search-button:hover {
            transform: translateY(-50%) scale(1.1);
        }
        
        /* 404装饰元素 */
        .error-decoration {
            position: absolute;
            z-index: -1;
            opacity: 0.1;
        }
        
        .error-decoration-1 {
            top: 20%;
            left: 10%;
            font-size: 10rem;
            color: var(--primary);
            animation: float 6s ease-in-out infinite;
        }
        
        .error-decoration-2 {
            bottom: 20%;
            right: 10%;
            font-size: 8rem;
            color: var(--secondary);
            animation: float 8s ease-in-out infinite reverse;
        }
        
        .error-decoration-3 {
            top: 40%;
            right: 15%;
            font-size: 6rem;
            color: var(--primary);
            animation: float 7s ease-in-out infinite 1s;
        }
        
        /* 404页面底部链接 */
        .quick-links {
            margin-top: 60px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s ease-out 1.7s forwards;
        }
        
        .quick-links-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--gray);
            margin-bottom: 20px;
        }
        
        .quick-links-list {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            list-style: none;
        }
        
        .quick-links-list a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 20px;
            background-color: var(--gray-light);
            transition: var(--transition);
        }
        
        .quick-links-list a:hover {
            background-color: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }
        
        /* 新增动画关键帧 */
        @keyframes spinGlobe {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }
        
        @keyframes pulseGlobe {
            0%, 100% {
                transform: scale(1);
                opacity: 0.7;
            }
            50% {
                transform: scale(1.2);
                opacity: 0.3;
            }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-20px);
            }
        }
        
        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }
        
        /* 响应式设计 */
        @media screen and (max-width: 1024px) {
            .error-digit {
                font-size: 10rem;
            }
            
            .error-title {
                font-size: 2.5rem;
            }
        }
        
        @media screen and (max-width: 768px) {
            .error-content {
                padding: 140px 0 80px;
            }
            
            .error-digit {
                font-size: 8rem;
            }
            
            .error-title {
                font-size: 2rem;
            }
            
            .error-description {
                font-size: 1.1rem;
            }
            
            .error-actions {
                flex-direction: column;
                gap: 15px;
            }
            
            .btn-secondary {
                margin-left: 0;
            }
            
            .error-decoration-1,
            .error-decoration-2,
            .error-decoration-3 {
                display: none;
            }
            
            .logo-icon {
                width: 40px;
                height: 40px;
                font-size: 1.8rem;
            }
            
            .logo-icon::before {
                width: 40px;
                height: 40px;
            }
        }
        
        @media screen and (max-width: 480px) {
            .error-digit {
                font-size: 6rem;
            }
            
            .error-title {
                font-size: 1.8rem;
            }
            
            .error-description {
                font-size: 1rem;
            }
            
            .quick-links-list {
                flex-direction: column;
                align-items: center;
            }
        }