 .containerApp {
            max-width: 800px;
            width: 100%;
            text-align: center;
        }
        
        h1 {
            color: #2c3e50;
            margin-bottom: 30px;
            font-size: 2.5rem;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
        }
        
        .description {
            color: #555;
            margin-bottom: 40px;
            font-size: 1.1rem;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* 触发按钮样式 */
        .trigger-btn {
            background: linear-gradient(135deg, #c104a0, #9a03a7);
            color: white;
            border: none;
            padding: 0px 4px;
            font-size: 1.2rem;
            border-radius: 50px;
            cursor: pointer;
            box-shadow: 0 2px 4px rgba(52, 152, 219, 0.3);
            transition: all 0.3s ease;
            font-weight: 300;
            letter-spacing: 1px;
        }
        
        .trigger-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(52, 152, 219, 0.4);
        }
        
        .trigger-btn:active {
            transform: translateY(1px);
        }
        
        /* 模态框样式 */
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
        }
        
        .modal-content {
            background: white;
            width: 95%;
            max-width: 1000px;
            height: 80vh;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            transform: scale(0.7);
            transition: all 0.4s ease;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        
        .modal-header {
            background: linear-gradient(135deg, #3498db, #2980b9);
            color: white;
            padding: 15px 20px;
            position: relative;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .modal-title {
            font-size: 1.5rem;
            font-weight: 600;
        }
        
        .close-btn {
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            line-height: 1;
            transition: transform 0.2s;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .close-btn:hover {
            transform: scale(1.2);
        }
        
        .modal-body {
            flex: 1;
            padding: 0;
            display: flex;
            flex-direction: column;
        }
        
        /* 加载指示器 */
        .loading-container {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: #f8f9fa;
        }
        
        .loading-spinner {
            width: 50px;
            height: 50px;
            border: 5px solid rgba(52, 152, 219, 0.3);
            border-radius: 50%;
            border-top-color: #3498db;
            animation: spin 1s linear infinite;
            margin-bottom: 20px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .loading-text {
            color: #3498db;
            font-size: 1.1rem;
        }
        
        /* iframe样式 */
        .iframe-container {
            flex: 1;
            position: relative;
            overflow: hidden;
        }
        
        .appointment-iframe {
            width: 100%;
            height: 100%;
            border: none;
            background: white;
        }
        
        .iframe-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: transparent;
            z-index: 10;
            display: none;
        }
        
        /* 控制模态框显示/隐藏的复选框 */
        #modal-toggle {
            display: none;
        }
        
        #modal-toggle:checked ~ .modal {
            opacity: 1;
            visibility: visible;
        }
        
        #modal-toggle:checked ~ .modal .modal-content {
            transform: scale(1);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .modal-content {
                width: 98%;
                height: 90vh;
            }
            
            .modal-header {
                padding: 12px 15px;
            }
            
            .modal-title {
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            
            .description {
                font-size: 1rem;
            }
            
            .trigger-btn {
                padding: 12px 30px;
                font-size: 1.1rem;
            }
        }