body {
    background-color: #f7f7f7;
    margin: 0;
    padding: 0;
}
#header_top .container_head{border-bottom: none;}
.main_header {
    height: 692px;
    background: url(../img/secondList/banner.png) no-repeat center center;
    background-size: 1903px;
    position: relative;
}
.banner_video_box {
    width: 740px;
    height: 415px;
    position: absolute;
    left: 50%;
    bottom: -82px;
    transform: translateX(-50%);
    border: #0ddda9 solid 20px;
    background-color: #0ddda9;
    border-radius: 10px;
    z-index: 2;
}
.banner_video {
   width: 100%;
   height: 100%;
   box-shadow: 0 28px 18px 0 #3bba9c;
   position: absolute;
   z-index: 0;
}
.banner_video::after {
    width: 740px;
    height: 415px;
    border-radius: 10px;
    border: #0ddda9 solid 20px;
    content: "";
    position: absolute;
    left: -20px;
    top: -20px;
}
.banner_video_box video {
    width: 100%;
    height: 100%;
    /* object-fit: fill; */
}
.main_count {
    height: 3576px;
    margin: 0 auto;
    background: url(../img/secondList/newcount.png)no-repeat center center;
    background-size: 1903px;
    position: relative;
}