.banner{ width:812px; height:326px; }.banner_box{ width:812px; height:326px; float:right; position:relative; overflow:hidden;}.banner_box_1{ width:1624px; height:326px; position:absolute; top:0px; left:0px;}.banner_box_1 li{ float:right;}有定位無(wú)定位.banner{ width:812px; height:326px; }.banner_box{ width:812px; height:326px; float:right;overflow:hidden;}.banner_box_1{ width:1624px; height:326px;}.banner_box_1 li{ float:right;}他們出來(lái)的效果是一樣的banner那邊 ?定位的點(diǎn)是箭頭的那個(gè)交叉點(diǎn)