.img-res{width: 100%;height: auto;max-width: 100%;}
.relative{position: relative;}
.absolute{position: absolute;}

.product-images img{width: 100%;max-width: 100%;}



.box,.about-pic-h img:hover{cursor: pointer;}
.mob-box{background: #fff;padding-top: 26px;height: 280px;}
.line-p{line-height: 48px;}
.mobile-content-2{padding:30px 0;}
.mob5-box{position: absolute;bottom: 0;left: 0;width: 100%;background: rgba(0, 0, 0, .5);color: #fff;}
.mob-p-5 .xm4{margin-top: 30px;}
.mob5-box p,.exhibition-news .news-right p,.ser-sub-title,.art-line p{margin-bottom: 0;}
.mob5-box span{float: right;font-size: 18px;}
.mb5-p,.mob5-box span{line-height: 48px;}
.dialog-mask{display: none;}
.img-mask{width: 100%;height: auto;position: fixed;top: 50px;z-index: 11;display: none}
.img-mask img{max-width: 100%;padding: 20px;margin: 0 auto;overflow: hidden;max-height: 650px;display: block;}
/*pro-video*/
#product-images{position: relative;}
.video-img{display: none;}
.pro-video{position: absolute;top: 0;left: 0;width: 100%;height: 100%;background: rgba(0,0,0,.2);cursor: pointer;}
.pro-video img{position: absolute;top: 50%;left: 50%;margin-top: -19px;margin-left: -19px;}