/* 遮罩层 */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            visibility: hidden;
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        
        /* 客服弹窗 */
        .popup {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 320px;
            max-width: 90%;
            background: white;
            border-radius: 18px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
            z-index: 1001;
            transform: translateY(30px);
            opacity: 0;
            transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            overflow: hidden;
        }
        
        .popup.active {
            transform: translateY(0);
            opacity: 1;
        }
        
        .popup-header {
            background: linear-gradient(to right, #90469F, #D75FAE);
            color: white;
            padding: 0px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .popup-header h2 {
            font-size: 1.5rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
			margin: 10px 30px;
        }
        
        .popup-header h2 i {
            font-size: 1.4rem;
        }
        
        .close-btn {
            background: rgba(255, 255, 255, 0.25);
            border: none;
            color: white;
            font-size: 1.6rem;
            cursor: pointer;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.3s;
        }
        
        .close-btn:hover {
            background: rgba(255, 255, 255, 0.4);
            transform: rotate(90deg);
        }
        
        .popup-body {
            padding: 15px;
            color: #333;
            line-height: 1.6;
        }
        
        .popup-body p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: center;
        }
        
        .popup-body .main-message {
            font-weight: 600;
            font-size: 1.25rem;
            color: #2c3e50;
            margin-bottom: 10px;
        }
        
        .contact-methods {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 25px;
        }
        
        .contact-btn {
            display: flex;
            align-items: center;
            padding: 14px 22px;
            border-radius: 12px;
            background: #f8f9fa;
            border: 1px solid #e0e0e0;
            color: #2c3e50;
            font-weight: 500;
            transition: all 0.3s ease;
            text-decoration: none;
            position: relative;
            overflow: hidden;
        }
        
        .contact-btn:hover {
            background: #C80081;
            color: white;
            transform: translateX(5px);
            border-color: #C80081;
        }
        
        .contact-btn:hover i {
            color: white;
            transform: scale(1.1);
        }
        
        .contact-btn i {
            margin-right: 12px;
            font-size: 1.3rem;
            color: #C80081;
            transition: all 0.3s;
        }
        
        .copy-notification {
            position: absolute;
            top: 0;
            right: 0;
            background: #2ecc71;
            color: white;
            padding: 5px 15px;
            border-radius: 0 12px 0 12px;
            font-size: 0.85rem;
            transform: translateY(-100%);
            transition: transform 0.3s;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .copy-notification.show {
            transform: translateY(0);
        }
        
        .popup-footer {
            padding: 16px 28px;
            background: #f8f9fa;
            border-top: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            font-size: 0.95rem;
            color: #666;
        }
        
        .popup-footer span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            h1 {
                font-size: 2.4rem;
            }
            
            .subtitle {
                font-size: 1.2rem;
            }
            
            .feature-card {
                width: 100%;
                max-width: 320px;
            }
            
            .popup {
                width: 340px;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            
            .popup {
                right: 15px;
                bottom: 15px;
                width: calc(100% - 30px);
            }
            
            .popup-body {
                padding: 20px;
            }
        }
        
        /* 动画效果 */
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-12px); }
            100% { transform: translateY(0px); }
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
        
        }