* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            color: #333;
            overflow-x: hidden;
        }
        
        .header {
            background: #2c6e49;
            color: white;
            padding: 15px 0;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        
        .header h1 {
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .header .subtitle {
            font-size: 0.8rem;
            opacity: 0.9;
            margin-top: 5px;
        }
        
        .container {
            flex: 1;
            display: flex;
            flex-direction: column;
            max-width: 800px;
            margin: 0 auto;
            width: 100%;
            background: white;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }
        
        .product-image {
            width: 100%;
            background: #f5f7fa;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
          
            color: white;
            position: relative;
            overflow: hidden;
        }
        .product-image img {
            width: 100%;
            height: auto;
           
            z-index: 1;
        }
        
        .product-title {
            font-size: 1.8rem;
            font-weight: bold;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            margin-bottom: 5px;
            z-index: 1;
        }
        
        .product-subtitle {
            font-size: 1rem;
            opacity: 0.9;
            text-align: center;
            max-width: 90%;
            z-index: 1;
        }
        
        .chat-container {
            flex: 1;
            display: flex;
            flex-direction: column;
            background: #f5f7fa;
       
            background-size: 100px 100px;
            padding: 15px 10px;
            overflow-y: auto;
            max-height: 60vh;
        }
        .visible{
            display: none;
        }
        .chat-messages {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .message {
            display: flex;
            max-width: 85%;
            animation: fadeIn 0.3s ease-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .service-message {
            align-self: flex-start;
        }
        
        .user-message {
            align-self: flex-end;
        }
        
        .avatar {
            width: 40px;
            height: 40px;
            border-radius: 5px;
            margin-right: 10px;
            flex-shrink: 0;
        }
        
        .service-avatar {
          
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
        }
        
        .user-avatar {
            /* background: linear-gradient(135deg, #0081a7, #00afb9); */
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
        }
         .user-avatar img, .service-avatar img{
            width: 100%;
            height: 100%;
            border-radius: 0%;
            margin-left: 10px;
        }
        
        .message-content {
            display: flex;
            flex-direction: column;
            max-width: 100%;
        }
        
        .bubble {
            padding: 12px 15px;
            border-radius: 7px;
            position: relative;
            line-height: 1.5;
            font-size: 22px;
            box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
         }
        
        .message-content {
            display: flex;
            flex-direction: column;
            
        }
        
        .bubble {
            padding: 12px 15px;
            border-radius: 7px;
            position: relative;
            line-height: 1.5;
            font-size: 22px;
            box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
        }
        
        .service-bubble {
            background: white;
            border-top-left-radius: 2px;
           
        }
        
        .user-bubble {
            background: #95ec69;
            border-top-right-radius: 2px;
            
        }
        
        .bracket-red {
            color: #e74c3c;
            font-weight: bold;
        }
        
        .brace-red {
            background-color: rgba(255, 0, 0);
            padding: 0 3px;
            border-radius: 3px;
            font-weight: bold;
            color: #fff;
        }
        
        .options-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
                justify-content: center;
        }
        
        .option {
            background-image: linear-gradient(to bottom, #A0E75A, #217519);
            color: #fff;
            border: none;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 22px;
            cursor: pointer;
            transition: all 0.2s;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            flex-shrink: 0;
        }
        
        .option:hover {
             background: #f1ac15;
            transform: translateY(-2px);
        }
        
        .option:active {
            transform: translateY(0);
        }
        
        .option.disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }
        
        .notice {
            background: #fff9e6;
            border-left: 4px solid #ffc107;
            padding: 10px;
            margin-top: 10px;
            border-radius: 0 5px 5px 0;
            font-size: 22px;
        }
        
        .button-container {
            margin-top: 15px;
            display: flex;
            justify-content: center;
            margin-bottom: 100px ;
        }
        
        .footer-button{
            width: 100%;
            position: fixed;
            bottom: 0px;
            left: 0px;
         text-align: center;
            background-color: #fff;
            z-index: 999;
            pointer-events: auto;
        }
        
 
        img{pointer-events: none;}
        
        .action-button {
            background: linear-gradient(to right, #4c956c, #2c6e49);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 25px;
            font-size: 22px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .action-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
        }
        
        .action-button:active {
            transform: translateY(0);
        }
        
        .footer {
            background: #2c6e49;
            color: white;
            text-align: center;
            padding: 10px;
            font-size: 12px;
        }
        
        .progress-bar {
            height: 5px;
            background: #e0e0e0;
            margin: 10px 0;
            border-radius: 3px;
            overflow: hidden;
        }
        
        .progress {
            height: 100%;
            background: linear-gradient(to right, #4c956c, #2c6e49);
            width: 12.5%;
            transition: width 0.5s ease;
        }
        
        .timestamp {
            font-size: 12px;
            color: #888;
            margin-top: 5px;
        }
        
        @keyframes breathing {
          0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1); /* 元素放大到1.1倍 */
  }
}
 
.breathing-element {
  animation: breathing 0.5s infinite; /* 动画持续时间为2秒，无限循环 */
}
        
        @media (max-width: 600px) {
            .message {
                max-width: 95%;
            }
            
            .bubble {
                font-size: 22px;
                padding: 10px 12px;
            }
            
            .avatar {
                width: 35px;
                height: 35px;
            }
            
            .product-title {
                font-size: 1.5rem;
            }
            
            .option {
                padding: 7px 12px;
                font-size: 22px;
            }
        }