@import url("tablet.css");
@import url("mobile.css");
.pic-banner{background:#333;position:relative;overflow:hidden;width:100%;height:auto;}
.pic-banner img{width:100%;object-fit:cover;object-position:top  center;height:auto;}
@media screen and (max-width:1366px) and (min-width:768px){ 

.pic-banner{height:auto;min-height:auto;}
.pic-banner img{height:auto;}
}
@media screen and (max-width: 767px){
.pic-banner{height:auto;}
.pic-banner img{height:100%;}
}