       /* 全局样式 */
        :root {
            --primary-color: #6c5ce7;
            --secondary-color: #a29bfe;
            --accent-color: #fd79a8;
            --dark-color: #2d3436;
            --light-color: #f5f6fa;
        }

		/* 默认样式（移动端优先） */
		.container {
		  width: 90%;  /* 小屏幕占90%宽度 */
		  margin: 0 auto;
		}
		
		/* 平板（768px以上） */
		@media (min-width: 768px) {
		  .container {
			width: 80%;  /* 中屏幕占80% */
		  }
		}
		
		/* 桌面（1024px以上） */
		@media (min-width: 1024px) {
		  .container {
			width: 70%;  /* 大屏幕占70% */
		  }
		}
		
		/* 整个滚动条 */
		::-webkit-scrollbar {
			width: 10px; /* 宽度 */
		}
		
		/* 滑块 */
		::-webkit-scrollbar-thumb {
			background-color: #7e96db; /* 滑块颜色 */
			border-radius: 5px; /* 边角半径 */
		}
		
		/* 鼠标悬停时的滑块 */
		::-webkit-scrollbar-thumb:hover {
			background-color: #53669b; /* 鼠标悬停时的滑块颜色 */
		}
		
		/* 轨道 */
		::-webkit-scrollbar-track {
			background-color: #344d95; /* 轨道背景色 */
		}
		
		/* 滚动条两端的按钮 */
		::-webkit-scrollbar-button {
			display: none; /* 隐藏按钮 */
		}
		
		/* 滚动条的角落部分 */
		::-webkit-scrollbar-corner {
			background-color: #1d3477; /* 角落背景色 */
		}
		
		/* 滚动条的调整大小部分 */
		::-webkit-resizer {
			display: none; /* 隐藏调整大小部分 */
		}
	
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Montserrat', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: linear-gradient(to bottom, #ffffff, #92beff);
            overflow-x: hidden;
			justify-content: center;
            align-items: center;
        }
        
        /* 固定头部容器 */
        .fixed-header {
            width: 100%;
            position: fixed;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
        }
        
        /* 顶部信息条 */
        .top-bar {
            width: 100%;
            height: 40px;
            background: linear-gradient(90deg, #2c3e50, #34495e);
            color: white;
            display: flex;
            justify-content: center;
        }
        
        .top-bar-content {
            width: 1400px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
        }
        
        .top-bar-text {
            position: relative;
            padding: 5px 15px;
            transition: all 0.3s;
        }
        
        .top-bar-text:hover {
            color: #f1c40f;
            transform: scale(1.05);
            text-shadow: 0 0 10px rgba(241, 196, 15, 0.7);
        }
        
        /* 霓虹灯文字特效 */
        @keyframes neon-glow {
            0%, 100% {
                text-shadow: 0 0 5px #fff, 0 0 10px #3498db, 0 0 15px #3498db;
            }
            50% {
                text-shadow: 0 0 10px #fff, 0 0 20px #9b59b6, 0 0 30px #9b59b6;
            }
        }
        
        .top-bar-text {
            animation: neon-glow 3s infinite alternate;
        }
        
        /* 主导航区 */
        .main-header {
            width: 1400px;
            height: 130px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .logo {
            width: 500px;
            height: 102px;
			margin-left:-30px;
            background: url('../images/521-logo.png') no-repeat;
            background-size: contain;
            transition: transform 0.3s;
        }
        
        .logo:hover {
            transform: scale(1.03);
        }
        
        /* 导航菜单 */
        .nav-menu {
            display: flex;
            gap: 15px;
            perspective: 1000px;
        }
        
        /* 导航按钮样式 */
        .nav-item {
            position: relative;
            width: 140px;
            height: 50px;
            background: linear-gradient(145deg, #ffffff, #f1f1f1);
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1),
                        0 0 0 1px rgba(255, 255, 255, 0.5) inset;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            overflow: hidden;
            transform-style: preserve-3d;
            transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1.5);
        }
        
        .nav-text {
            position: relative;
            z-index: 2;
            font-size: 16px;
            font-weight: bold;
            color: #333;
            transition: all 0.3s;
			transform: scale(1.03);
        }
        
        /* 扫光特效 */
        .nav-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                90deg,
                transparent,
                rgba(255, 255, 255, 0.8),
                transparent
            );
            transition: none;
        }
        
        /* 悬浮效果 */
        .nav-item:hover {
            transform: translateY(-5px) scale(1.05) rotateX(15deg);
            box-shadow: 0 15px 30px rgba(52, 152, 219, 0.4),
                        0 0 0 1px rgba(255, 255, 255, 0.8) inset;
        }
        
        .nav-item:hover .nav-text {
            color: #fff;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }
        
        /* 扫光动画 */
        .nav-item:hover::before {
            left: 100%;
            transition: all 0.6s ease-in-out;
        }
        
        /* 背景色变化 */
        .nav-item::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, #3498db, #9b59b6);
            opacity: 0;
            transition: all 0.3s;
            z-index: 1;
        }
        
        .nav-item:hover::after {
            opacity: 1;
        }
        
        /* 为每个按钮设置不同颜色 */
        .nav-item:nth-child(1)::after {
            background: linear-gradient(45deg, #3498db, #2ecc71);
        }
        .nav-item:nth-child(2)::after {
            background: linear-gradient(45deg, #e74c3c, #f39c12);
        }
        .nav-item:nth-child(3)::after {
            background: linear-gradient(45deg, #9b59b6, #3498db);
        }
        .nav-item:nth-child(4)::after {
            background: linear-gradient(45deg, #1abc9c, #2ecc71);
        }
        .nav-item:nth-child(5)::after {
            background: linear-gradient(45deg, #e67e22, #e74c3c);
        }
        
        /* 内容区域 */
        .content {
            width: 1400px;
            margin: 182px auto 0;
            padding: 50px 0;
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        .content.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* 响应式设计 */
        @media (max-width: 1440px) {
            .top-bar-content, .main-header, .content {
                width: 95%;
            }
            
            .logo {
                width: 400px;
            }
            
            .nav-item {
                width: 120px;
            }
        }
        
        @media (max-width: 768px) {
            .main-header {
                flex-direction: column;
                height: auto;
                padding: 15px 0;
            }
            
            .logo {
                width: 300px;
                height: 60px;
                margin-bottom: 15px;
            }
            
            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
                gap: 10px;
            }
            
            .top-bar-content {
                flex-direction: column;
                text-align: center;
                gap: 5px;
            }
            
            .content {
                width: 95%;
                margin-top: 150px;
            }
        }
		
		.main-container {
			display: flex;
			justify-content: center;
			align-items: center;
			height: 650px;
			perspective: 1000px;
			margin: 0 auto; /* 水平居中 */
			width: 100%; /* 确保宽度占满父容器 */
			margin-top:210px;
		}
        
        .slider-container {
            width: 1920px;
            height: 650px;
            position:absolute;
            overflow: hidden;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
            transform-style: preserve-3d;
            animation: float 6s ease-in-out infinite;
            border-radius: 20px;
        }
        
        
        .slider {
            width: 100%;
            height: 100%;
            display: flex;
            transition: transform 1s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }
        
        .slide {
            min-width: 100%;
            height: 100%;
            position: relative;
            background-size: cover;
            background-position: center;
            filter: brightness(0.7);
            transition: filter 0.5s ease;
        }
        
        .slide.active {
            filter: brightness(1);
        }
        
        /* 霓虹光效 */
        .slide::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, 
                rgba(108, 92, 231, 0.3) 0%, 
                rgba(253, 121, 168, 0.3) 50%, 
                rgba(108, 92, 231, 0.3) 100%);
            opacity: 0;
            transition: opacity 0.5s ease;
            z-index: 1;
        }
        
        .slide.active::before {
            opacity: 1;
            animation: neonGlow 3s ease-in-out infinite alternate;
        }
        
        @keyframes neonGlow {
            0% {
                opacity: 0.3;
            }
            100% {
                opacity: 0.7;
            }
        }
        
        /* 进度条样式 - 高科技风格 */
        .progress-container {
            position: absolute;
            bottom: 30px;
            left: 0;
            width: 100%;
            display: flex;
            justify-content: center;
            z-index: 10;
        }
        
        .progress-bar {
            width: 80px;
            height: 4px;
            background-color: rgba(255, 255, 255, 0.1);
            margin: 0 8px;
            border-radius: 4px;
            overflow: hidden;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .progress-bar:hover {
            transform: scaleY(2);
            background-color: rgba(255, 255, 255, 0.3);
        }
        
        .progress-fill {
            height: 100%;
            width: 0%;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            position: relative;
            overflow: hidden;
        }
        
        .progress-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, 
                transparent, 
                rgba(255, 255, 255, 0.8), 
                transparent);
            animation: progressShine 2s infinite;
        }
        
        @keyframes progressShine {
            0% {
                transform: translateX(-100%);
            }
            100% {
                transform: translateX(100%);
            }
        }
        
        .progress-bar.active .progress-fill {
            width: 100%;
        }
        
        /* 导航按钮 - 悬浮科技感 */
        .nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 70px;
            height: 70px;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(10px);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 28px;
            cursor: pointer;
            z-index: 10;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            outline: none;
        }
        
        .nav-btn::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            border: 2px solid transparent;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color)) border-box;
            -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: destination-out;
            mask-composite: exclude;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .nav-btn:hover {
            transform: translateY(-50%) scale(1.1);
            background: rgba(0, 0, 0, 0.7);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
        }
        
        .nav-btn:hover::before {
            opacity: 1;
            animation: rotateBorder 3s linear infinite;
        }
        
        @keyframes rotateBorder {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }
        
        .prev-btn {
            left: 40px;
        }
        
        .next-btn {
            right: 40px;
        }
        
        /* 登录表单容器 - 玻璃拟态风格 */
        .login-container {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 1400px;
            display: flex;
            justify-content: flex-end;
            z-index: 5;
        }
		  
        .login-box {
            width: 420px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 25px 45px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            transform-style: preserve-3d;
            position: relative;
            overflow: hidden;
        }
        
        .login-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                to bottom right,
                rgba(255, 255, 255, 0) 0%,
                rgba(255, 255, 255, 0.1) 50%,
                rgba(255, 255, 255, 0) 100%
            );
            transform: rotate(30deg);
            animation: shine 6s infinite;
        }
        
        @keyframes shine {
            0% {
                transform: rotate(30deg) translate(-20%, -20%);
            }
            100% {
                transform: rotate(30deg) translate(20%, 20%);
            }
        }
        
        .login-box:hover {
            box-shadow: 0 35px 60px rgba(0, 0, 0, 0.4);
        }
        
        .login-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            position: relative;
        }
        
        .login-title {
            color: white;
            font-size: 32px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 3px;
            position: relative;
            text-shadow: 0 0 10px rgba(108, 92, 231, 0.5);
        }
        
        .login-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            margin: 15px 0;
            border-radius: 3px;
            box-shadow: 0 0 10px var(--primary-color);
        }
        
        .qr-toggle-btn {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: none;
            outline: none;
            box-shadow: 0 5px 15px rgba(108, 92, 231, 0.4);
            position: relative;
            overflow: hidden;
        }
        
        .qr-toggle-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                45deg,
                transparent,
                rgba(255, 255, 255, 0.3),
                transparent
            );
            transform: translateX(-100%);
            transition: transform 0.6s ease;
        }
        
        .qr-toggle-btn:hover {
            transform: scale(1.1) rotate(90deg);
            box-shadow: 0 8px 25px rgba(253, 121, 168, 0.6);
        }
        
        .qr-toggle-btn:hover::before {
            transform: translateX(100%);
        }
        
        .form-group {
            margin-bottom: 25px;
            position: relative;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 1px;
        }
        
        .form-control {
            width: 100%;
            padding: 15px 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.4s ease;
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .form-control::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        
        .form-control:focus {
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(253, 121, 168, 0.3);
            outline: none;
            background-color: rgba(255, 255, 255, 0.15);
        }
        
        .form-control:hover {
            border-color: rgba(255, 255, 255, 0.4);
        }
        
        .input-icon {
            position: absolute;
            right: 20px;
            top: 40px;
            color: rgba(255, 255, 255, 0.5);
            transition: all 0.3s ease;
        }
        
        .form-control:focus + .input-icon {
            color: var(--accent-color);
            transform: scale(1.2);
        }
        
        .captcha-group {
            display: flex;
            align-items: center;
        }
        
        .captcha-input {
            flex: 1;
            margin-right: 15px;
        }
        
        .captcha-img {
            width: 120px;
            height: 45px;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.3), rgba(253, 121, 168, 0.3));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: bold;
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .captcha-img::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(
                45deg,
                transparent,
                rgba(255, 255, 255, 0.2),
                transparent
            );
            transform: translateX(-100%);
            transition: transform 0.6s ease;
        }
        
        .captcha-img:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .captcha-img:hover::before {
            transform: translateX(100%);
        }
        
        .login-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border: none;
            border-radius: 8px;
            color: white;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-top: 20px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(108, 92, 231, 0.3);
        }
        
        .login-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                45deg,
                transparent,
                rgba(255, 255, 255, 0.3),
                transparent
            );
            transform: translateX(-100%);
            transition: transform 0.6s ease;
        }
        
        .login-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(253, 121, 168, 0.4);
        }
        
        .login-btn:active {
            transform: translateY(0);
        }
        
        .login-btn:hover::before {
            transform: translateX(100%);
        }
        
        .login-footer {
            display: flex;
            justify-content: space-between;
            margin-top: 25px;
            font-size: 14px;
        }
        
        .footer-link {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            padding-bottom: 3px;
        }
        
        .footer-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            transition: width 0.3s ease;
        }
        
        .footer-link:hover {
            color: white;
        }
        
        .footer-link:hover::after {
            width: 100%;
        }
        
        /* 二维码登录样式 */
        .qr-login-container {
            width: 100%;
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .qr-code-box {
            width: 220px;
            height: 220px;
            background-color: white;
            border-radius: 15px;
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            padding: 15px;
        }
        
        .qr-code-box::before {
            content: '';
            position: absolute;
            width: 50px;
            height: 50px;
            background-color: white;
            border-radius: 50%;
            animation: pulse 2s infinite ease-out;
        }
        
        .qr-code {
            width: 100%;
            height: 100%;
            position: relative;
            z-index: 1;
        }
        
        .qr-text {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        
        .qr-text strong {
            color: white;
            font-weight: 700;
        }
        
        .back-to-login {
            display: inline-block;
            padding: 12px 25px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            color: white;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 15px;
        }
        
        .back-to-login:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        /* 响应式设计 */
        @media (max-width: 1920px) {
            .slider-container {
                width: 100%;
            }
            
            .login-container {
                width: 90%;
            }
        }
        
        @media (max-width: 1600px) {
            .login-box {
                width: 380px;
                padding: 30px;
            }
        }
		
        /* 新增的卡片容器样式 - 不依赖body修改 */
        .cards-outer-container {
            display: flex;
			margin-top:-280px;
            justify-content: center;
            width: 100%;
        }
        
        .cards-container {
            width: 1400px;
            max-width: 100%;
            display: flex;
            gap: 30px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .card {
            flex: 1;
            min-width: 400px;
            max-width: calc(33.33% - 20px);
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        /* 保留原有的卡片hover动画等样式... */
        .content-wrapper {
			margin-top:50px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 30px; /* 控制按钮与卡片之间的间距 */
        }
        
        .advantage-btn {
            padding: 15px 40px;
            background: linear-gradient(135deg, #6e8efb, #a777e3);
            color: white;
            border: none;
            border-radius: 50px;
            font-size: 20px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .advantage-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        
        .advantage-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #a777e3, #6e8efb);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .advantage-btn:hover::before {
            opacity: 1;
        }
        
        .cards-container {
            display: flex;
            width: 1440px;
            max-width: 100%;
            gap: 30px;
            padding: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .card {
            flex: 1;
            min-width:445px;
            max-width: calc(33.33% - 20px);
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #6e8efb, #a777e3);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.5s ease;
        }
        
        .card:nth-child(1)::before {
            background: linear-gradient(135deg, #6e8efb, #a777e3);
        }
        
        .card:nth-child(2)::before {
            background: linear-gradient(135deg, #f093fb, #f5576c);
        }
        
        .card:nth-child(3)::before {
            background: linear-gradient(135deg, #48c6ef, #6f86d6);
        }
        
        .card:hover {
            transform: translateY(-15px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
        }
        
        .card:hover::before {
            opacity: 1;
        }
        
        .card:hover .card-title,
        .card:hover .card-content p {
            color: white;
        }
        
        .card-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 25px;
            color: #333;
            transition: all 0.5s ease;
            position: relative;
            display: inline-block;
        }
        
        .card-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 0;
            height: 3px;
            background: white;
            transition: width 0.5s ease;
        }
        
        .card:hover .card-title::after {
            width: 100%;
        }
        
        .card-content p {
            font-size: 18px;
            line-height: 1.8;
            color: #666;
            margin-bottom: 15px;
            transition: all 0.5s ease;
            position: relative;
            padding-left: 20px;
        }
        
        .card-content p::before {
            content: '•';
            position: absolute;
            left: 0;
            color: inherit;
        }
        
        .card-icon {
            font-size: 60px;
            margin-bottom: 30px;
            transition: all 0.5s ease;
            display: inline-block;
        }
        
        .card:hover .card-icon {
            transform: scale(1.2) rotate(10deg);
            color: white;
        }
        
        .card:nth-child(1) .card-icon {
            color: #6e8efb;
        }
        
        .card:nth-child(2) .card-icon {
            color: #f5576c;
        }
        
        .card:nth-child(3) .card-icon {
            color: #48c6ef;
        }
        
        .card-bg-circle {
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            top: -50px;
            right: -50px;
            transition: all 0.8s ease;
            z-index: -1;
            opacity: 0;
        }
        
        .card:hover .card-bg-circle {
            opacity: 1;
            transform: scale(1.5);
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .card {
                min-width: 350px;
            }
        }

        @media (max-width: 900px) {
            .cards-container {
                flex-direction: column;
                align-items: center;
            }
            .card {
                max-width: 100%;
                width: 100%;
            }
        }
		
		
	/* 客服中心 */
	        .container {
            width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 40px;
            padding: 40px 0;
        }
        
        .section-title {
            font-size: 42px;
            font-weight: 700;
            position: relative;
            padding-bottom: 15px;
            text-align: center;
            text-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, #6e8efb, #a777e3);
            border-radius: 2px;
            box-shadow: 0 2px 10px rgba(110, 142, 251, 0.4);
        }
        
        .service-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            width: 100%;
        }
        
        .service-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.05);
            transform-style: preserve-3d;
            perspective: 1000px;
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(110, 142, 251, 0.1) 0%, rgba(167, 119, 227, 0.1) 100%);
            opacity: 0;
            transition: all 0.4s ease;
            z-index: 0;
        }
        
        .service-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .service-card:hover::before {
            opacity: 1;
        }
        
        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, #6e8efb, #a777e3);
            transition: all 0.4s ease;
        }
        
        .service-card:hover::after {
            width: 8px;
            background: linear-gradient(to bottom, #a777e3, #6e8efb);
        }
        
        .service-title {
            font-size: 24px;
            font-weight: 600;
            color: #444;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        
        .service-title i {
            font-size: 26px;
            color: #6e8efb;
            transition: all 0.3s ease;
        }
        
        .service-card:hover .service-title i {
            transform: scale(1.2);
            color: #a777e3;
        }
        
        .service-info {
            margin-bottom: 25px;
            position: relative;
            z-index: 1;
        }
        
        .info-item {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
            font-size: 16px;
            color: #666;
            transition: all 0.3s ease;
            transform: translateX(0);
        }
        
        .service-card:hover .info-item {
            transform: translateX(5px);
        }
        
        .info-item i {
            margin-right: 10px;
            color: #888;
            width: 20px;
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .service-card:hover .info-item i {
            color: #6e8efb;
        }
        
        .qq-number {
            font-weight: bold;
            color: #333;
        }
        
        .btn-group {
            display: flex;
            gap: 12px;
            margin-top: 25px;
            position: relative;
            z-index: 1;
        }
        
        .btn {
            flex: 1;
            padding: 14px;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            position: relative;
            overflow: hidden;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #6e8efb 0%, #a777e3 100%);
            color: white;
            box-shadow: 0 5px 15px rgba(110, 142, 251, 0.4);
        }
        
        .btn-primary:hover {
            background: linear-gradient(135deg, #5d7de8 0%, #9666d6 100%);
            box-shadow: 0 8px 20px rgba(110, 142, 251, 0.6);
            transform: translateY(-3px);
        }
        
        .btn-primary::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                to bottom right,
                rgba(255,255,255,0.3) 0%,
                rgba(255,255,255,0) 60%
            );
            transform: rotate(30deg);
            transition: all 0.6s ease;
        }
        
        .btn-primary:hover::before {
            left: 100%;
            top: 100%;
        }
        
        .btn-secondary {
            background: #f0f2f5;
            color: #555;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        
        .btn-secondary:hover {
            background: #e4e7eb;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transform: translateY(-3px);
        }
        
        .online-status {
            position: absolute;
            top: 20px;
            right: 20px;
            display: flex;
            align-items: center;
            font-size: 14px;
            color: #4CAF50;
            background: rgba(76, 175, 80, 0.1);
            padding: 5px 12px;
            border-radius: 20px;
            z-index: 1;
            transition: all 0.3s ease;
        }
        
        .service-card:hover .online-status {
            transform: scale(1.1);
        }
        
        .online-status::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            background: #4CAF50;
            border-radius: 50%;
            margin-right: 6px;
            animation: pulse 1.5s infinite;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.3); opacity: 0.7; }
            100% { transform: scale(1); opacity: 1; }
        }
        
        .copy-notification {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 15px;
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 100;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .copy-notification.show {
            opacity: 1;
        }
        
        /* 卡片悬浮光效 */
        .card-glow {
            position: absolute;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(110,142,251,0.2) 0%, rgba(110,142,251,0) 70%);
            border-radius: 50%;
            filter: blur(30px);
            z-index: 0;
            opacity: 0;
            transition: all 0.6s ease;
        }
        
        .service-card:hover .card-glow {
            opacity: 1;
        }
        
        /* 响应式设计 */
        @media (max-width: 1400px) {
            .container {
                width: 95%;
                padding: 40px 20px;
            }
        }
        
        @media (max-width: 1200px) {
            .service-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .service-cards {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 32px;
            }
            
            .btn-group {
                flex-direction: column;
            }
        }
		
		
		.footer {
			background: #f8f9fa;
			border-top: 1px solid #e5e5e5;
			padding: 30px 0;
			font-family: 'Microsoft YaHei', Arial, sans-serif;
			color: #666;
			line-height: 1.6;
		}
		
		.footer-content {
			width: 1400px;
			margin: 0 auto;
			text-align: center;
		}
		
		.friend-links {
			margin-bottom: 20px;
			font-size: 14px;
		}
		
		.link-title {
			color: #333;
			font-weight: bold;
		}
		
		.link-item {
			color: #666;
			text-decoration: none;
			transition: color 0.3s;
			margin: 0 5px;
		}
		
		.link-item:hover {
			color: #1890ff;
		}
		
		.link-divider {
			color: #ccc;
			margin: 0 5px;
		}
		
		.copyright-info {
			font-size: 13px;
		}
		
		.copyright-info p {
			margin: 8px 0;
		}
		
		.copyright-info a {
			color: #666;
			text-decoration: none;
		}
		
		.copyright-info a:hover {
			color: #1890ff;
			text-decoration: underline;
		}
		
		.notice {
			color: #999;
			font-size: 12px;
			margin-top: 15px !important;
		}
		
		@media (max-width: 1400px) {
			.footer-content {
				width: 95%;
				padding: 0 20px;
			}
		}
		
		@media (max-width: 768px) {
			.friend-links {
				display: flex;
				flex-wrap: wrap;
				justify-content: center;
			}
			
			.link-divider {
				display: none;
			}
			
			.link-item {
				display: block;
				margin: 5px 10px;
			}
		}