@media screen and (max-width: 1920px) {}

@media screen and (max-width: 1830px) {}

@media screen and (max-width: 1730px) {}

@media screen and (max-width: 1660px) {}

@media screen and (max-width: 1640px) {
     
}

@media screen and (max-width: 1360px) {
    .footer .let2{
        padding: 0px 30px;
        margin: 0px 30px;
    }
}

@media screen and (max-width: 1200px) {
    .header{
        display: none;
    }
    .nav{
        display: none;
    }
    .m1{
        padding-top: 40px;
    }
    .m1 .box .let{
        position: relative;
    }
    .m1 .box{
        padding: 0px;
    }
    .m1 .xians{
        display: none;
    }
    .m1 .box .let{
        position: relative;
        left: auto;
        text-align: left;
        top: auto;
        transform: translate(0,0);
    }
    .m1 .box .let .icon{
        display: none;
    }
    .m1 .cn{
        padding-top: 0px;
    }
    .m1 .box .let .t2{
        font-size: 22px;
    }
    .m1 .cn{
        font-size: 14px;
        padding: 0px 0 30px;
    }
    .m1_box2 .item{
        width: 48%;
        float: left;
        margin: 0px auto;
        margin-bottom: 15px;
    }
    .m1_box2 .item:nth-child(2n){
        float: right;
        margin: 0px auto;
        margin-bottom: 15px;
    }
    .m1_box2{
        padding-bottom: 20px;
        /*padding-left: 30px;*/
    }
    .m1 .box .let{
        width: 100%;
    }
    .m1 .box .let .t2{
        width: 100%;
        text-align: center;
        background: none;
    }
    .m1 .box .let .t3{
        display: none;
    }
    .m1_box3 .item1,
    .m1_box3 .item2,
    .m1_box3 .item3{
        width: 100%;
        margin: 0px auto;
        padding: 0px ;
        border: 0px none;
    }
    .m1 .m1_box_2{
        margin-bottom: 0px;
    }
    .m1_box3{
        display: block;
    }
    .m2{
        margin-top: 30px;
    }
    .common_title{
        margin-bottom: 20px;
    }
    .common_title .let{
        width: 40px;
    }
    .common_title .tit{
        height: 40px;
        line-height: 40px;
        font-size: 17px;
        padding-left: 20px;
        margin-left: 10px;
    }
    .m2 .item{
        width: 100%;
        margin: 0px auto;
        margin-bottom: 20px;
    }
    .footer{
        padding: 30px 0;
    }
    .footer .let,
    .footer .let3{
        width: 100%;
    }
    .footer .let2{
        margin: 0px auto;
        width: 100%;
        padding: 0px;
        border: 0px none;
        margin-top: 10px;
    }
    .footer .let3{
        margin-top: 30px;
    }
    .footer .let ul li{
        float: left;
        width: 50%;
        font-size: 14px;
    }
    .m1_box3 .item2 .gp{
        padding: 10px;
        padding-top: 0px;
    }
    .m4 .group .item{
        width: 100%;
    }
    .child_banner{
        height: 250px;
    }
    .common_title2{
        align-items: center;
    }
    .common_title2 .tit{
        font-size: 12px;
        height: auto;
        min-height: 40px;
        line-height: 20px;
        flex: 1;
        min-width: 0;
        word-break: break-word;
        display: flex;  /* 添加flex布局 */
        align-items: center;  /* 垂直居中 */
        padding: 10px 0;  /* 添加上下内边距确保文字不会贴边 */
    }
    .common_title2 .let{
        width: 40px;
        /* height: 40px; */
        font-size: 14px;
        /* line-height: 40px; */
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .m4 .group .item .dm{
        padding: 3% 2%;
    }
    .m4 .group .item .t2{
        font-size: 17px;
        height: 50px;
    }
    .m4 .group .item .t1{
        margin-bottom: 5px;
    }
    .common_title2 .let{
        width: 40px;
        height: 40px;
        font-size: 14px;
        line-height: 40px;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-shrink: 0;  /* 防止元素被挤压 */
    }
    .m4:nth-child(1){
        padding: 30px 0;
    }
    .m5{
        padding: 3%;
    }
    .m5 .t0{
        font-size: 14px;
    }
    .m5 .t1{
        font-size: 17px;
        margin: 15px 0;
    }

     .common_title2 .tit{
        padding: 0px 10px;
    }

    .m6 .item{
        display: block;
    }
    .m6 .item .pic{
        width: 100%;
    }
    .m6 .item .cn{
        padding: 0px;
        padding: 10px;
    }
    .m6{
        padding: 30px 0 10px 0;
    }
    .m7_2 .item{
        width: 100%;
        margin-bottom: 20px;
    }

    .m7_2 .item .txt .t1{
        font-size: 17px;
        margin-bottom: 20px;
    }
  .m7{
    padding: 30px 0;
  }
  .m7_1 .m1{
    margin-top: 0px;
    padding-top: 0px;
  }

  .m8 .box .pic img{
    width: 100%;
  }
  .m8 .box .pic .text{
    position: relative;
    width: 94%;
    padding: 2%;
    transform: translate(0,0);
    left: 1%;
    top: auto;
    float: left;
    margin-top: -150px;
    font-size: 14px;
  }
  .m9 .fm{
    padding: 10px;
  }
  .m8{
    padding: 30px 0;
  }
  .m10 .group .item{
    width: 100%;
  }
  .m10 .group .item .dm{
    padding: 20px;
  }
  .common_title4{
    width: auto;
  }
  .m3 .fun .item_pic .dm .t2{
    font-size: 14px;
  }
  .banner .swiper-pagination span{
    width: 10px;
    height: 10px;
  }
  .phone_nav ul li a{
    font-size: 14px;
  }
}

@media screen and (max-width: 1040px) {}

@media screen and (max-width: 900px) {}

@media screen and (max-width: 800px) {}

@media screen and (max-width: 720px) {}

@media screen and (max-width: 620px) {}

@media screen and (max-width: 570px) {}

@media screen and (max-width: 500px) {}

@media screen and (max-width: 414px) {}

@media screen and (max-width: 370px) {}

@media screen and (max-width: 320px) {}