@media screen and (min-width:750px) {
    #banner{
        width: 100%;
        /*height: 760px;*/
        position: relative;
    }

    #banner .swiper-container {
        width: 100%;
        height: 100%;
      }
      #banner .swiper-container img{
          display: block;
          width: 100%;
          height: 100%;
      }
    #banner .swiper-slide {
        text-align: center;
        font-size: 18px;
        background: #fff;
        /* Center slide text vertically */
        display: -webkit-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        -webkit-justify-content: center;
        justify-content: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        -webkit-align-items: center;
        align-items: center;
      }
      #advert{
            width: 1400px;
            height: 165px;
            margin: 0 auto;
            margin-top: 66px;
      }
      #advert_ul{
          width: 100%;
          height: 258px;
      }
      #advert_ul li{
          width:350px;
          list-style: none;
          height: 165px;
          float: left;
          text-align: center;
          position: relative;
      }
      #advert_ul li img{
          width: auto;
          height: 90px;
      }
      #advert_ul li span{
          font-size: 22px;
          display: block;
          width: 100%;
          text-align: center;
          margin-top: 26px;
      }
      /* .advert_one{
          width: 73px;
          height: 85px;
          display: block;
          text-align: center;
      } */
      /* .advert_two{
          width: 95px;
          height: 95px;
          display: block;
          text-align: center;
      } */
      /* .advert_three{
          width: 102px;
          height: 80px;
          display: block;
      } */
      /* .advert_four{
          width: 73px;
          height: 103px;
          display: block;
      } */

      #hot{
          width: 1228px;
          margin: 0 auto;
          height: auto;
          margin-top: 80px;
      }
      #hot_title{
          font-size: 12px;
          color: #ff7a23;
      }
      #hot_head{
          width: 100%;
          margin-top: 30px;
          height: 50px;
      }
      #hot_head_title{
          display: inline-block;
          font-size: 48px;
      }
      #hot_head_page{
          float: right;
      }
      #hot_page_left,#news_page_left{
          cursor: pointer;
          margin-right: 13px;
          float: left;
          width: 46px;
          height: 46px;
          background-image: url(../image/none_left.png);
      }
      #hot_page_right, #news_page_right{
        cursor: pointer;
        width: 46px;
        height: 46px;
        float: left;
        background-image: url(../image/right.png);
    }

      #hot_main{
          margin-top: 60px;
          width: 100%;
          height: auto;
      }
      #hot_main_ul{
          list-style: none;
      }
      #hot_main_ul li{
          float: left;
          width: 280px;
          height: auto;
          margin-right: 36px;
          margin-bottom: 66px;
      }
      #hot_main_ul li:nth-child(4n){
        margin-right: 0;
      }
      .hot_pro_img{
          width: 280px;
          height: 285px;
      }
      .hot_pro_name{
          width: 100%;
          display: inline-block;
          text-align: left;
          font-size: 16px;
          margin-top: 28px;
          text-indent: 10px;
      }
      .hot_pro_price{
          display: inline-block;
          text-align: left;
          font-size: 18px;
          width: 100%;
          margin-top: 20px;
          text-indent: 10px;
      }
      .hot_pro_market{
          color: #999999;
          text-decoration:line-through;
      }
      #about{
          width: 100%;
          height: 750px;
          background-image: url('../image/about_bg.png');
          background-size: 100% 100%;
          background-repeat: no-repeat;
      }
      #about_main{
          width: 1228px;
          height: 750px;
          margin: 0 auto;
      }
      #about_title{
          font-size: 36px;
          color: black;
          width: 1228px;
          height: 40px;
          display: block;
          margin: 0 auto;
          margin-left: 35px;
          padding-top: 185px;
      }
      #about_desc{
          width: 690px;
          display: block;
          /*height: 168px;*/
          color: black;
          margin: 0 auto;
          margin-left: 35px;
          font-size: 24px;
          margin-top: 46px;
          display: -webkit-box;
          overflow: hidden;
          white-space: normal;
          text-overflow: ellipsis;
          word-wrap: break-word;
          -webkit-line-clamp: 5;
          -webkit-box-orient: vertical;
      }
      #about_read a{
        display: inline-block;
        color: #ff7a23;
        font-size: 16px;
        margin-left: 35px;
        margin-top: 40px;
      }
      #about_read a:hover{
          color: white;
          border-bottom: 1px solid #ff7a23;
      }

      #news{
          width: 1228px;
          margin:  0 auto;
          margin-top: 90px;
          height: auto;
      }
      #news_title{
          color: #ff7a23;
          font-size: 12px;
          margin-bottom: 30px;
      }
      #news_title_name{
          font-size: 36px;
          display: inline;
          width: 100%;
      }
      #news_head_page{
          font-size: 50px;
          float: right;
      }
      #news_main{
          width: 100%;
          height: 636px;
          margin-top: 46px;
      }
      .news_main_ul{
          list-style: none;

      }
      .news_main_ul li{
          width: 600px;
          height: 640px;
          float: left;
          margin-right: 28px;
          background: #f7f7f7;
      }
       .news_main_ul li img{
           display:block;
           width: 100%;
           height: 370px;
       }
      .news_main_ul li:nth-child(2n){
          margin-right: 0;
      }
      .news_img{
          width: 600px;
          height: 360px;
          display: block;
      }
      .news_date{
          width: 92px;
          height: 272px;
          color: #666666;
          background: #e3e3e3;
          float: left;
      }
      .news_day{
        display: inline-block;
        width: 100%;
        text-align: center;
        font-size: 36px;
        color: black;
        margin-top: 25px;
      }
      .news_month,.news_year{
          height: 30px;
          line-height: 30px;
          display: inline-block;
          width: 100%;
          text-align: center;
      }
      .news_title{
        float: left;
        font-size: 24px;
        display: block;
        margin-left: 30px;
        width: 430px;
        margin-top: 26px;
    }
    .news_desc{
        width: 430px;
        display: block;
        margin-left: 30px;
        margin-top: 22px;
        float: left;
        max-width: 400px;
        color: #999999 !important;
        display: -webkit-box;
        /* autoprefixer: off */
        -webkit-box-orient: vertical;
        /* autoprefixer: on */
        -webkit-line-clamp: 2;
        overflow: hidden;
    }
    .news_read{
        display: block;
        float: left;
        margin-top: 30px;
        width: 160px;
        height: 50px;
        color: white;
        background: #ff7a23;
        text-align: center;
        line-height: 50px;
        margin-left: 28px;
        border-radius: 25px;
        cursor: default;
    }



    #sletter{
        width: 1228px;
        height: auto;
        margin: 0 auto;
        margin-top: 70px;
        margin-bottom: 47px;
    }
    #sletter_title{
        font-size: 12px;
        display: block;
        color: #fe8e50;
    }
    #sletter_desc{
        font-size: 36px;
        margin-left: 50px;
        width: 600px;
        height: auto;
        margin-top: 44px;
        font-weight: bold;
    }
    #sletter_form{
        margin-left: 50px;
        margin-top: 36px;
    }
    #sletter_email{
        outline: none;
        width: 420px;
        height: 30px;
        border: 1px solid #d6d6d6;
        font-size: 14px;
        display: block;
        float: left;
        padding: 10px;
    }
    #sletter_btn{
        width: 205px;
        height: 50px;
        color: white;
        background: #ff7a23;
        display: block;
        float: left;
        text-align: center;
        line-height: 50px;
        border-radius: 50px;
        margin-left: 10px;
    }
    #sletter_remark{
        float: left;
        display: block;
        width: 100%;
        margin-top: 20px;
        color: #999999;
        font-size: 14px;
    }
    .sletter_title{
        color: #ff7a23;
        font-size: 12px;
        margin-bottom: 30px;
    }
    .sletter_title_name{
        font-size: 36px;
        display: inline;
        width: 100%;
    }
    .sletter_head_page{
        font-size: 50px;
        float: right;
    }
    #sletter_page_left{
        cursor: pointer;
        margin-right: 13px;
        float: left;
        width: 46px;
        height: 46px;
        background-image: url(../image/left.png);
    }
    #sletter_page_right{
        cursor: pointer;
        width: 46px;
        height: 46px;
        float: left;
        background-image: url(../image/right.png);
    }
    .sletter_main{
        margin-top: 35px;
    }
    .sletter_list{
        width: 23%;
        height: 180px;
        float: left;
        margin-right: 30px;
    }
    .sletter_list:last-child{
        margin-right: 0;
    }
    .sletter_list img{
        display: block;
        width: 100%;
        height: 180px;
        padding-bottom: 20px;
    }
    .sletter_list span{
        font-size: 16px;
        font-weight: bold;
        overflow: hidden;
    }
    .sletter_main .swiper-container{
        width: 100%;
        height: 220px;
    }
    .sletter_main .swiper-slide{
        width: 100%;
        height: 100%;
    }
    .sletter_mobile_page{
        display: none;
    }

}