.about_box{
    height: 100%;
    width: 100%;
}
.about_box_img1{
    display: block;
    width: 100%;
    min-width: 1682px;
    /* margin: 0 auto; */
}
.about_box_content{
    margin: 10px auto;
    width: 100%;
    min-width: 1682px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}
.about_box_content li{
    width: 1420px;
    height: 550px;
    margin: 20px 0;
    /* background-color: aqua; */
    display: flex;
    justify-content: space-between;

}
.about_box_content_l{
    width: 560px;
    height: 100%;
    padding: 85px 0 80px 77px;
    box-sizing: border-box;
}
.about_box_content_l_span1{
    display: inline-block;
    width: 90px;
    height: 19px;
    background-image: url(../images/about/heng.png);
}
.about_box_content_l p{
    line-height: 65px;
    font-size: 20px;
    letter-spacing: 2px;
}
.about_box_content_l p:first-child{
    font-size: 40px;
    font-weight: 600;
}
.about_box_content_l_p2{
    padding-left: 155px;
    font-size: 25px;
}
.about_box_content_l_p3{
    line-height: 30px !important;
    padding-top: 30px;
    padding-left: 150px;
}
.about_box_content_l_span2{
    font-size: 23px;
    font-weight: 100;
    color: #ccc;
    margin-right: 20px;
}
.about_box_content_l_img{
    margin: 95px 0 0px 143px;
    position: relative;
}
.about_box_content_l_img span{
    height: 41px;
    width: 244px;
    position: absolute;
    left: 0;
    top: 0;
    line-height: 41px;
    text-align: center;
    letter-spacing: 2px;
    cursor: pointer;
    color: #fff;
}
