.desktop{background:#f6f6f6;overflow-y:auto}.desktop .bg-one{margin-top:3.2vw}.desktop .bg-one,.desktop .bg-two{width:100%;height:56.133vw}.desktop .bg-three{width:100%;height:65.733vw}.desktop .bg-four{width:100%;height:64.533vw}.desktop .bg-five{width:100%;height:72vw}.desktop .zhixin .bg-four{width:100%;height:67.2vw}.desktop .zhixin .bg-five{width:100%;height:69.6vw}.desktop .jishi img,.desktop .zhuge img{width:100%;height:auto;display:block}