.content_1_5{
    width: 100%;
}


.content_1_5 .m2{height:800px;position:relative;min-width:1100px;margin:0 auto;padding-top:0px;}
.content_1_5 .m3{height:auto;position:relative;min-width:1100px;margin:0 auto;padding-top:0px;}
.content_1_5 .m4{height:auto;position:relative;min-width:1100px;margin:0 auto;padding-top:100px;}
.content_1_5 .m4 .center{margin:0 auto;width:1280px;}	/*让内容区块居中*/
#ZhuangBei{height:auto;position:relative;min-width:1280px;margin:0 auto;padding-bottom:150px;}

.content_1_5 .PicList{float:left;}
.content_1_5 ul {list-style-type:none;}
.content_1_5 .PicList li{float:left;position:relative;margin-right:17px;margin-bottom:10px;padding-top:31px;float:left;width:405px;height:auto;padding:10px;margin-top:20px;background:#f2f1ef;border:5px solid #0c0807;}
.content_1_5 .PicList li:nth-child(3n){margin-right:0px;}
.content_1_5 .PicList strong{height:46px;line-height:46px;text-align:center;overflow:hidden;font-size:22px;font-weight:normal;color:#FFF;margin-bottom:3px;letter-spacing:4px;display:block;background:#0c0807;}
.content_1_5 .PicList .photo{width:375px;height: 430px;margin:0 auto;background-color:#000000;display:block;}
.content_1_5 .PicList .photo img {width: 100%; height: 100%; object-fit: contain;}
.content_1_5 .clear{ display:block;height:0; line-height:0;overflow:hidden; clear:both;font-size:0;}/*清除浮动*/
.content_1_5 .clear_::after{content:"";display:block; clear:both;height:0; line-height:0; overflow:hidden;}/*清除浮动*/

.content_1_5 .PicList3{float:left;}
.content_1_5 .PicList3 li{float:left;position:relative;margin-right:10px;margin-bottom:10px;padding-top:31px;float:left;width:1250px;height:auto;padding:10px;margin-top:20px;background:#f2f1ef;border:5px solid #0c0807;}
.content_1_5 .PicList3 li:nth-child(3n){margin-right:0px;}
.content_1_5 .PicList3 strong{height:46px;line-height:46px;text-align:center;overflow:hidden;font-size:22px;font-weight:normal;color:#FFF;margin-bottom:3px;letter-spacing:4px;display:block;background:#0c0807;}
.content_1_5 .PicList3 .photo{width:1220px;margin:0 auto;background-color:#000000;display:block;}
.content_1_5 .PicList3 .photo img{width: 100%; height: 100%; object-fit: contain;}