p{
    margin: 0;
    padding:0;
}
html,body {
    width: 100%;
    height: 100%;
}
.item1{
    font-weight: bold;
    padding: 0px 0px 3px 0px;
    border-bottom: 3px solid #0850B3;
    ;
}
.about_one{
    width: 1200px;
    height: 480px;
    margin: 0 auto;
}
.about_one_title1{
    text-align: center;
    font-family: Source Han Sans CN;
    font-weight: bold;
    font-size: 30px;
    color: #333333;
    padding-top: 90px;
}
.about_one_line{
    width: 1200px;
    margin: 0 auto;
    height: 4px;
    background: #E5E5E5;
    margin-top:10px;
}
.about_one_line_span{
    width: 130px;
    margin: 0 auto;
    height: 4px;
    background: #036BC1;
}
.about_one_title2{
    text-align: center;
    font-family: Source Han Sans CN;
    font-weight: bold;
    font-size: 18px;
    color: #333333;
    padding-top: 10px;
}
.about_one_cont{
    width: 100%;
    padding-top: 63px;

}
.about_one_cont_left{
    width: 260px;
    float: left;
    margin-left: 39px;
}
.about_one_cont_left img{
    width: 100%;
    display: block;
}
.about_one_cont_right{
    width: 822px;
    float: left;
    margin-left: 70px;
    padding-top: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 14px;
    color: #333333;
    line-height: 24px;
}
.about_one_cont_right p{
    margin-bottom: 20px;
}
.about_two{
    width: 1200px;
    height: 555px;
    margin: 0 auto;
}
.about_two_text{
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 14px;
    color: #333333;
    line-height: 24px;
    padding-top: 42px;
}
.about_two_img{
    width: 1186px;
    padding-top: 24px;
}
.about_two_img img{
    width: 100%;
    display: block;
}
.about_three{
    width: 1200px;
    height: 1000px;
    margin: 0 auto;
}
.about_three_cont_one{
    height: 420px;
}
.about_three_cont_one_left{
    width: 495px;
    float: left;
    margin-left: 52px;
    padding-top: 89px;
}
.about_three_cont_one_left img{
    width: 100%;
    display: block;
}
.about_three_cont_one_right{
    width: 610px;
    float: left;
    margin-left: 40px;
    padding-top: 89px;
}
.about_three_cont_one_right_text{
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 14px;
    color: #333333;
    line-height: 30px;
}
.about_three_cont_one_right_bottom{
    width: 610px;
    height: 120px;
    background: #F2F2F2;
    margin-top: 27px;
}
.about_three_cont_one_right_bottom img{
    width: 111px;
    display: block;
    float: left;
    margin-left: 170px;
    padding-top: 25px;
}
.about_three_cont_one_right_bottom_span{
    font-family: Source Han Sans CN;
    font-weight: bold;
    font-size: 30px;
    color: #333333;
    line-height: 36px;
    font-style: italic;
    margin-left: 40px;
    position: relative;
    top: 45px;
}

.about_three_cont_two{
    width: 1144px;
    margin-left: 52px;
    height: 250px;
    background: #DEEBF7;
    margin-top: 40px;
}
.about_three_cont_two_main{
    height: 134px;
    margin-left: 100px;
}
.about_three_cont_two_cont{
    float: left;
    width: 228px;
    background: #0850B3;
    border-radius: 36px;
    margin-right: 14px;
    margin-top: 85px;
    padding: 10px 1px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
    text-align: center;
}
.about_three_cont_two_img{
    width: 102px;
    display: block;
    float: left;
    margin-right: 14px;
    padding-top: 89px;
}
.about_three_cont_two_img img{
    width: 100%;
    display: block;
}
.about_three_cont_two_main2{
    margin-left: 100px;
    padding-top: 10px;
}
.about_three_cont_two_main2 li{
    width: 230px;
    list-style: none;
    float: left;
    text-align: center;
}
.about_three_cont_two_main2 li:not(:nth-child(3n)){
    margin-right: 133px;
}
.about_three_cont_two_main2_text{
    font-family: Source Han Sans CN;
    font-weight: bold;
    font-size: 20px;
    color: #5D5D5D;
}