@media screen and (max-width: 819px) {
.xr_mvp_2 {display: block;}
.xr_mvp_1 {display: none;}
.xr_pbd {margin-left: -180px;}
#xr_xr {width: 360px; height: 8800px}
}
@media screen and (min-width: 820px) {
.xr_mvp_2 {display: none;}
.xr_mvp_1 {display: block;}
.xr_pbd {margin-left: -640px;}
#xr_xr {width: 1280px; height: 20000px}
}
@media screen and (max-width: 819px) {
.xr_mvp_4 {display: block;}
.xr_mvp_3 {display: none;}
.xr_pbd {margin-left: -180px;}
#xr_xr {width: 360px; height: 2600px}
}
@media screen and (min-width: 820px) {
.xr_mvp_4 {display: none;}
.xr_mvp_3 {display: block;}
.xr_pbd {margin-left: -640px;}
#xr_xr {width: 1280px; height: 4800px}
}