.screen-adapter{width:100vw;height:100vh;overflow:hidden;background-color:#0f287a}.screen-adapter .content-wrap{-webkit-transform-origin:0 0;transform-origin:0 0;position:absolute;top:50%;left:50%;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;background:url(../img/背景图.1f3cd317.jpg) no-repeat;background-size:100% 100%}