        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #f9f0ff 0%, #e6f7ff 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
    a{
    text-decoration: none;
    transition: color 0.3s;
}

a:hover{
    color: #8B4513;
}
a:active {
  color: green;
}
        .container {
            width: 100%;
            max-width: 1200px;
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            display: flex;
            flex-direction: column;
        }
        
        .header {
            background: #8B4513;
            color: white;
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .header i {
            font-size: 28px;
        }
        
        .header h1 {
            font-size: 18px;
            font-weight: 600;
        }
        
        .status {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.2);
            padding: 5px 12px;
            border-radius: 20px;
        }
        
        .status-dot {
            width: 10px;
            height: 10px;
            background: #3ae28b;
            border-radius: 50%;
        }
        
        .main-content {
            display: flex;
            flex: 1;
            overflow: hidden;
            margin-bottom: 100px;
        }
        
        .sidebar {
            width: 300px;
            background: #8B4513;
            border-right: 1px solid #e0e0e0;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        
        .service-list {
            margin-top: 20px;
            padding: 0 15px;
        }
        
        .service-item {
            padding: 12px 15px;
            margin-bottom: 10px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .service-item:hover {
            background: #f5f0e6;
            transform: translateY(-2px);
        }
        
        .service-item i {
            margin-right: 10px;
            color: #8B4513;
        }
        
        .info-box {            
            padding: 15px 5px;
            margin: 15px 0;
            border-radius: 4px;
            line-height: 30px;
            color: #fff;
            border-top: 1px solid rgba(255,255,255,0.3);
            border-bottom: 1px solid rgba(255,255,255,0.3);
        }
        
        .chat-container {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .chat-header {
            padding: 15px 20px;
            background: #f9f9f9;
            border-bottom: 1px solid #e0e0e0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .chat-header i {
            font-size: 32px;
            color: #8B4513;
        }
        
        .chat-header div h4 {
            color: #8B4513;
        }
        
        .chat-messages {
            flex: 1;
            padding: 20px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
            max-height: 400px;
        }
        
        .message {
            max-width: 70%;
            padding: 12px 16px;
            border-radius: 18px;
            position: relative;
            line-height: 1.5;
            animation: fadeIn 0.3s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .bot-message {
            align-self: flex-start;
            background: #f1f8ff;
            border-top-left-radius: 4px;
            font-size: 14px;
        }
        
        .user-message {
            align-self: flex-end;
            background: #8B4513;
            color: white;
            border-top-right-radius: 4px;
        }
        
        .quick-questions {
            padding: 5px 10px;
            border-top: 1px solid #e0e0e0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            max-height: 180px;
            overflow-y: auto;
        }
        
        .quick-btn {
            padding: 8px 12px;
            background: #f5f0e6;
            border: none;
            border-radius: 18px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
            color: #8B4513;
        }
        
        .quick-btn:hover {
            background: #e6d5b8;
        }
        
        .chat-input {
            display: flex;
            padding: 15px 20px;
            border-top: 1px solid #e0e0e0;
            gap: 10px;
        }
        
        .chat-input input {
            flex: 1;
            padding: 12px 18px;
            border: 1px solid #ddd;
            border-radius: 24px;
            outline: none;
            font-size: 16px;
        }
        
        .chat-input input:focus {
            border-color: #8B4513;
        }
        
        .send-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #8B4513;
            color: white;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: all 0.2s;
        }
        
        .send-btn:hover {
            background: #6b3300;
            transform: scale(1.05);
        }
        
        .all-questions {
            padding: 15px;
            background: #f9f9f9;
            border-top: 1px solid #e0e0e0;
            max-height: 260px;
            overflow-y: auto;
        }
        
        .questions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 10px;
            padding: 10px;
        }
        
        .question-section {
            margin-bottom: 15px;
        }
        
        .section-title {
            font-weight: 600;
            margin: 10px 0;
            color: #8B4513;
            padding-bottom: 5px;
            border-bottom: 1px dashed #ccc;
        }
        
        .sidebar h3 {
            color: #fff;
            text-align: center;
            margin-top: 10px;
        }
        
        @media (max-width: 900px) {
            .main-content {
                flex-direction: column;
            }
            
            .sidebar {
                width: 100%;
                border-right: none;
                border-bottom: 1px solid #e0e0e0;
                max-height: 200px;
                background: #8B4513;
            }
            
            .message {
                max-width: 100%;
            }
            
            .questions-grid {
                grid-template-columns: 1fr;
            }
        }
        
        .category-tabs {
            display: flex;
            background: #f0f3f8;
            padding: 0 15px;
            border-bottom: 1px solid #e1e8ed;
            flex-wrap: wrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        
        .category-tabs::-webkit-scrollbar {
            display: none;
        }
        
        .category-tab {
            padding: 12px 15px;
            cursor: pointer;
            font-size: 14px;
            color: #7f8c8d;
            border-bottom: 3px solid transparent;
            transition: all 0.3s;
            white-space: nowrap;
            flex-shrink: 0;
            min-width: max-content;
        }
        
        .category-tab.active {
            color: #8B4513;
            border-bottom: 3px solid #8B4513;
            background: white;
            font-weight: 600;
        }
        
        /* 平板设备 */
        @media (max-width: 768px) {
            .category-tabs {
                padding: 0 10px;
            }
            
            .category-tab {
                padding: 10px 12px;
                font-size: 13px;
            }
        }
        
        /* 手机设备 */
        @media (max-width: 480px) {
            .category-tabs {
                padding: 0 8px;
            }
            
            .category-tab {
                padding: 8px 10px;
                font-size: 12px;
            }
        }
        
        /* 超小屏幕设备 */
        @media (max-width: 360px) {
            .category-tab {
                padding: 6px 8px;
                font-size: 11px;
            }
        }
@media (max-width: 768px) {
.zixun li {
  float: left;
  width: 25%;
  text-align: center;
  height: 100%;
  margin-top: 7px;
  margin-right: 0px !important;
  list-style: none;
}
.zixun {padding-top: 10px;
  padding-bottom: 15px;
}
}
@media (min-width: 769px) {
.zixun li {
  float: left;
  width: 25%;
  text-align: center;
  height: 100%;
  margin-top: 7px;
  margin-right: 0px !important;
  list-style: none;
}
.zixun {  padding-top: 20px;
  padding-bottom: 25px;
}
}
.zixun  li img {
  height: 30px;
  width: 30px;
  display: inline-block;
}
.zixun  li p{
  margin: 0px;color: #000;
}
.info-box img{width:100%;  border-radius: 5px;}

.zixun{
max-width: 1200px;
width: 100%;
  position: fixed;
  bottom: 0;
  left: 50%;
  -webkit-transform: translate3d(-50%,0,0);
  transform: translate3d(-50%,0,0);
  overflow: hidden;
  background-color: #fff;
  border-top: #eceded;
  -webkit-box-shadow: 0 0 4px rgba(0,0,0,.2);
  box-shadow: 0 0 4px rgba(0,0,0,.2);
  width: 100%;
  border-bottom: 3px solid #b57f4f;}