.index_section1{
     width: 100%;
     height: auto;
     padding: 20px 0;
     box-sizing: border-box;
 }
 .index_section1_conter{
     width: 100%;
     height: auto;
     padding-left: 50%;
     box-sizing: border-box;
     position: relative;
 }
 .index_section1_conter .left_box{
    width: 50%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    padding-right: 1.5%;
    box-sizing: border-box;
}

.index_section1_conter .left_box_section{
    float: left;
    width: 100%;
    height: 97.8%;
    box-sizing: border-box;
   _background: url('../images/index_section1_list_pic0.jpg') no-repeat 50%;
    background-size: cover;
    border-radius: 15px;
    margin: 1.5% 0;
    box-shadow: 0 15px 25px 2px rgb(0 0 0 / 18%);
    padding: 30px 90px;
    box-sizing: border-box;
    cursor: pointer;
    position: relative;

    transition: all .5s;
}
.index_section1_conter .left_box_section a{
    display: block;
}
.index_section1_conter .left_box_section .pic_box{
    display: block;
    width: 95%;
    height: 600px;
    margin: 0 auto;
    margin-top: 55px;
    padding-bottom:50px;
    position: relative;
    overflow: hidden;
}
.index_section1_conter .left_box_section .pic_box img{
    display: block;
    width: 100%;
    height: 600px;
    position: absolute;
    top: 0;
    left: 0;
    transition: all .5s;
    object-fit: contain;
}
.index_section1_conter .left_box_section .pic_box .hover{
    opacity: 0;
}
.index_section1_conter .left_box_section h3{
    width: 100%;
    height: 108px;
    font-size: 32px;
    color: #014b4a;
    line-height: 36px;
    letter-spacing: 2px;
    font-weight: 600;
    text-transform: uppercase;
    text-align: center;
    transition: all .5s;
    margin-bottom: 10px;
}
.index_section1_conter .left_box_section .text{
    width: 100%;
    height: auto;
    font-size: 18px;
    color: #61aaa9;
    line-height: 30px;
    margin-top: 5px;
}
.left_box_section .text p{
    padding-bottom: 15px;
    letter-spacing: 1px;
}
.index_section1_conter .left_box_section .more{
    font-size: 16px;
    color: #fff;
    line-height: 30px;
    position: absolute;
    left: 90px;
    bottom: 40px;
}

.index_section1_conter .left_box_section .more .icon{
    display:inline-block;
    width:0;
    height:10px;
    background:url(../images/news_more_bai.png) no-repeat center center;
    transition:all .4s;
    opacity:0;
}
.index_section1_conter .left_box_section:hover .more .icon{
    width:25px;
    opacity:1;
}
.index_section1_conter .left_box_section .more strong{
    font-weight:500;
    transition:all .4s;
}



.index_section1_conter .right_box{
    float: right;
    width: 100%;
    height: auto;
    box-sizing: border-box;
}
.index_section1_list_box{
    width: 100%;
    height: auto;
}
.index_section1_list_box ul{
    margin: 0 -1.5%;
}
.index_section1_list_box ul li{
    float: left;
    width: 47%;
    height: 380px;
    box-sizing: border-box;
    border-radius: 15px;
    margin: 1.5%;
    box-shadow: 0 15px 25px 2px rgb(0 0 0 / 18%);
    padding: 30px 50px;
    cursor: pointer;
    position: relative;

    transition: all .5s;
}
.index_section1_list_box ul li:nth-child(1){
    _background: url('../images/index_section1_list_pic1.jpg') no-repeat 50%;
    background-size: cover;
}
.index_section1_list_box ul li:nth-child(2){
    _background: url('../images/index_section1_list_pic2.jpg') no-repeat 50%;
    background-size: cover;
}
.index_section1_list_box ul li:nth-child(3){
    _background: url('../images/index_section1_list_pic3.jpg') no-repeat 50%;
    background-size: cover;
}
.index_section1_list_box ul li:nth-child(4){
    _background: url('../images/index_section1_list_pic4.jpg') no-repeat 50%;
    background-size: cover;
}
.index_section1_list_box ul li .pic_box{
    display: block;
    width: 235px;
    height: 235px;
    margin: 0 auto;
    margin-top: 30px;
    padding-bottom: 40px;
    position: relative;
    overflow: hidden;
    max-width: 100%;
}
.index_section1_list_box ul li .pic_box img{
    display: block;
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    left: 0;
    transition: all .5s;
}
.index_section1_list_box ul li .pic_box .hover{
    opacity: 0;
}
.index_section1_list_box ul li h3{
    width: 100%;
    height: 50px;
    font-size: 24px;
    color: #014b4a;
    line-height: 32px;
    letter-spacing: 2px;
    font-weight: 600;
    text-transform: uppercase;
    text-align: center;
    transition: all .5s;
}
.index_section1_list_box ul li .more{
    font-size: 16px;
    color: #008ccc;
    line-height: 30px;
    margin-top: 35px;
}

.index_section1_list_box ul li .more .icon{
    display:inline-block;
    width:0;
    height:10px;
    background:url(../images/news_more.png) no-repeat center center;
    transition:all .4s;
    opacity:0;
}
.index_section1_list_box ul li:hover .more .icon{
    width:25px;
    opacity:1;
}
.index_section1_list_box ul li .more strong{
    font-weight:500;
    transition:all .4s;
}

@media (max-width: 991.98px) {
    .index_section1_list_box ul li .pic_box {
        width:135px;
        height: 135px;
    }
    .index_section1 {
        padding: 20px 0;
    }
    .index_section1_conter .left_box {
        width: 100%;
        padding-left: 1.5%;
        height: auto;
        position:unset;
    }
    .index_section1_conter {
        padding-left: 0;
        display: block;
    }
    .index_section1_conter .left_box_section{
        padding:30px;
    }
    .index_section1_conter .left_box_section h3 {
        font-size:22px;
        height: auto;
    }
    .index_section1_conter .left_box_section .text {
        font-size:14px;
    }
    .index_section1_conter .left_box_section .more{
        display: none;
    }
    .index_section1_list_box ul li {
        padding:20px;
        height:280px;
    }
    .index_section1_list_box ul li h3 {
        font-size:14px;
    }
    .index_section1_list_box ul li .more {
        display:none;
    }
}