html{font-size:5.20833vw}.screen-shell{width:100%;height:100%;overflow:hidden;position:relative}.screen-shell .operate-btn{position:absolute;display:flex;right:0;top:10px;width:1.4rem;z-index:10000}.screen-shell .operate-btn .control{width:.6rem;height:.52rem;background:url(../img/control_icon.d7106a1c.png) 50% no-repeat;background-size:100% 100%;cursor:pointer}.screen-shell .operate-btn .full-screen{width:.6rem;height:.52rem;background:url(../img/full_screen_1.ccd29313.png) 50% no-repeat;background-size:100% 100%;cursor:pointer;margin-left:.1rem}.screen-shell .operate-btn .exit-full{width:.6rem;min-width:50px;height:.52rem;font-size:.12rem;line-height:.52rem;color:#d5eeff;cursor:pointer;margin-left:.1rem;text-align:center}.screen-shell #iframe{width:100%;height:100%;position:relative}