.part1 {
    background: url(../images/part1.jpg) center top no-repeat;
    height: 1600px;
    padding-top:260px;
    color: #fff;
    }

  .part1_box{ margin: 0 auto;width:1000px}      
  .part1_box h3 {
  font-size: 48px;
  color: #673d2f;
  font-weight: bold;
  
}     
  .part1_box p {
  font-size: 22px;
  color: #4d4d4d;
  margin-bottom: 24px;
  margin-top: 10px;
  margin-left: 124px;
}      
.part1_box ul li {
  color: #3a3a3a;
 
  float: left;
  
  font-size: 18px;
}    

.part1_box ul{padding-bottom:440px}
.part1_box ul li img{width:100%; width: 80px;padding-bottom: 60px;border: 2px solid #fed3c2;
  border-radius: 100px;
  padding: 20px;
  margin-left: 35px;
  height: 80px;}        
 .part1_box ul li h4{font-size:14px;padding-left:30px;text-align: center;margin-top:10px;color:#4d4d4d;}       
        
.title_1 {
  text-align: center;
  font-size: 36px;
  color: #6c3e31;
  font-weight: 400;
}
.title_2 {
  text-align: center;
  font-size: 18px;
  color: #9c8d80;
}
.title_3 {
  text-align: center;
  font-size: 16px;
  color: #807f7d;
  margin-top: 30px;
  margin-bottom: 60px;
  line-height: 1.8;
}
.title_4 {
  text-align: center;
  font-size: 30px;
  color: #6b6a68;
  margin-bottom: 60px;
}


.dental-card-wrap {
      display: flex;
      gap: 32px;
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
    }
    /* 单张卡片容器 \*/
    .dental-card-item {
      flex: 1;
      background: #fff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 0 8px rgba(180,190,210,0.55);
    }
    /* 卡片顶部图片区域 \*/
    .card-img-box {
      width: 100%;
      height: 156px;
      overflow: hidden;
      padding: 10px;
    }
    .card-img-box img {

      object-fit: cover;
      display: block;
    }
    /* 卡片文字内容区 \*/
    .card-text-box {
      padding: 28px 24px;
    }
    .card-title {
      font-size: 20px;
      color: #333;
      font-weight: 500;
      margin-bottom: 16px;
      letter-spacing: 1px;
    }
    .card-desc {
      font-size: 14px;
      color: #666;
      line-height: 1.7;
    }


  .part2 {
    background: url(../images/part2.jpg) center top no-repeat;
    height: 1050px;
    padding-top:120px;
    margin: 0 auto;
   
    }  
 .part2_1{margin-top:80px} 
   /* 外层容器 */
        .service-wrap {
            max-width: 1200px;
            width: 96%;
            margin: 40px auto;
            display: flex;
            gap: 24px;
        }
        /* 单张卡片通用样式 */
        .service-card {
            height: 620px;
            position: relative;
            padding: 60px 20px;
            border-radius: 4px;
            /* 背景图统一设置，替换url即可更换卡片背景 */
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
      
            width: 300px;
        }
        
        .service-card2 {
            flex: 1;
            height: 620px;
            position: relative;
            padding: 60px 20px;
            border-radius: 4px;
            /* 背景图统一设置，替换url即可更换卡片背景 */
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            width: 600px;
        }
        /* 卡片1背景 */
        .card-1 {
            background:#fff ;
        }
        /* 卡片2背景 */
        .card-2 {
            background:#fff ;
        }
        /* 卡片3背景 */
        .card-3 {
            background-image: url("../images/part2_3.jpg");
        }
        /* 顶部圆形图标容器（前两张卡片专用） */
        .card-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #f5f5f5;
            /* 水平+垂直居中图标 */
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 30px;
            margin-top: -90px;
            margin-left: 100px;
             position: absolute;
              z-index: 9;
        }
        /* 图标图片强制居中，防止偏移 */
        .card-icon img {
            width: 30px;
            height: 30px;
            display: block;
            object-fit: contain;
        }
        /* 标题样式 */
        .card-title {
            font-size: 20px;
            color: #332823;
            line-height: 1.4;
            margin-bottom: 28px;
            font-weight: 700;
              text-align: center;
        }
        /* 正文文本 */
        .card-text {
            font-size: 14px;
            color: #444;
            line-height: 1.8;
        }
        .card-text p {
            margin-bottom: 12px;
        }
        /* 底部小箭头按钮（前两个卡片） */
        .card-btn-small {
            position: absolute;
            left: 40px;
            bottom: 40px;
            width: 42px;
            height: 42px;
            background: #f8a386;
            color: #fff;
            border: none;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        /* 第三个卡片在线咨询按钮 */
        .card-btn-big {
            position: absolute;
            left: 40px;
            bottom: 40px;
            padding: 12px 32px;
            background: linear-gradient(90deg, #f8a386, #b7c5e2);
            border: none;
            color: #fff;
            font-size: 18px;
            border-radius: 2px;
            cursor: pointer;
        }

.part3{background-image: url("../images/part3.jpg"); height: 855px;width:1200px;margin:0 auto;padding-top:70px;margin-top:80px}



.container_kqjk {
      display: grid;
      grid-template-columns: 1fr 1.8fr;
      width: 1200px;
      padding-top:137px;
      padding-left: 564px;
    }
    .card {
     
      border-radius: 16px;
      padding: 10px;
      width: 250px;
      height: 210px;
    }
    .card-title_kqjk {
      display: flex;
      align-items: center;
      font-size: 16px;
      font-weight: bold;
      color: #592c24;
      margin-bottom: 16px;
       text-align: left;
       margin-left:54px ;
    }

    .card-desc {
      font-size: 12px;
      line-height: 1.5;
      color: #444;
    }
    /* 移动端适配 \*/
    @media (max-width:768px) {
      .container {
        grid-template-columns: 1fr;
      }
    }

    .part4 {
    background: url(../images/part4.jpg) center top no-repeat;
    height: 900px;
    padding-top:120px;
    color: #fff;
    }

.wrap{max-width:780px;margin:0 auto;margin-top:100px}
.item{display:flex;align-items:center;background-color: rgba(255,255,255,0.3);
border-radius:99px;margin-bottom:30px;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,0.05);}
.label-box{width:220px;text-align:center;padding:16px 0;border-radius:99px;font-size:24px;font-weight:bold;margin-right:24px;flex-shrink:0;}
.txt-box{flex:1;margin-left:20px}
.part4_title{font-size:26px;color:#333;margin-bottom:6px;}
.desc{font-size:18px;color:#666;}

/* 各个阶段边框配色 \*/
.milk{border:2px solid #ffd6e0;color:#883c4c;}
.replace{border:2px solid #f8c7ad;color:#915838;}
.perm{border:2px solid #b0efc8;color:#2d7248;}
.all{border:2px solid #a3d8ff;color:#27679c;}


    .part5 {
    background: url(../images/part5.png) center top no-repeat;
    height: 700px;
    padding-top:120px;
    color: #fff;
    }

/* 外层容器 \*/
.flow-wrap {
    width: 100%;
    padding: 40px 20px;
    box-sizing: border-box;
}
/* 流程轨道 \*/
.flow-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 36px;
}
/* 流程步骤盒子 \*/
.flow-item {
    padding: 24px 16px;
    background: linear-gradient(90deg, #fff8e8, #e6f9fd);
    border-radius: 20px;
    text-align: center;
    font-size: 20px;
    color: #222222;
    line-height: 1.4;
}
/* 箭头图片 \*/
.flow-arrow {
    width: 50px;
    height: auto;
}
/* 说明文字 \*/
.flow-desc {
    text-align: center;
    font-size: 18px;
    color: #555555;
    margin-bottom: 24px;
}
/* 预约按钮 \*/
.btn-book {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    background: linear-gradient(90deg, #ff7849, #60b8f2);
    color: #fff;
    border: none;
    border-radius: 999px;
    font-size: 22px;
    padding: 6px 30px;
    gap: 10px;
    cursor: pointer;
}
/* 按钮右侧图标图 \*/
.btn-icon {
    width: 40px;
    height: auto;
}