/*瑞丽深度开始*/
.flash4{width:100%;height:750px;margin:0px auto;margin-bottom:20px;position:relative;overflow: hidden;}
.flash4 ul li {
    width: 40%;
    height: 100%;
    /* border-left: 1px solid #000; */
    position: relative;
    overflow: hidden;
    float: left;
    margin-right: 10px;
}
.flash4 ul li .imgTop img{opacity:0.4;}
.flash4 ul li .imgTop img.tm{opacity:1;}

.flash4 ul li .imgCon{width:538px;height:405px;}
.flash4 ul li .imgCen {
    /* width: 538px; */
    /* height: 50px; */
    /* background: rgba(0,0,0,0.5); */
    color: #fff;
    font-size: 20px;
    line-height: 50px;
    position: absolute;
    left: 0px;
    top: 45px;
    text-indent: 20px;
    display: none;
}
/* .flash4 ul li .imgBot{width:538px;height:45px;background:#222;} */
.flash4 ul li .imgBot p.bt_1{line-height:45px;font-size:16px;color:#fff;text-indent:20px;float:left;}
.flash4 ul li .imgBot p.bt_2{height:45px;line-height:45px;float:left;display:none;}
.flash4 ul li .imgBot p.bt_2 span{font-size:14px;color:#fff;padding-right:30px;background:url(../images/part2_icon.png)no-repeat left center;padding-left:10px;}

/* .flash4 ul li.first{width:538px;} */
.flash4 ul li.fast{position:absolute;right:0px;bottom:0px;}
.imgCen p{
    margin-bottom: 0px;
    padding-inline-end: 0px;
}
.nbtm_p_pos{
    position: absolute;
    top: 90%;
}
.flash4 ul {
    width: 100%;
    height: 100%;
}
.flash4 ul li{
   
    padding-bottom: 5%;
}
.imgTop{
    height: 100%;
}
.imgTop img{
    height: 100%;
}