.mui-content,body{background:#8aa1fe url(../images/downbj.jpg) no-repeat 0 0;background-size:cover;width:7.5rem;margin-bottom:0}.down_log{padding-top:0.82rem}.down_log .down_logo{width:3.06rem;height:1.75rem}.down_btn a{display:block;width:4.48rem;height:0.76rem;line-height:0.72rem}.down_btn a.cur{line-height:0.76rem}.down_btn .color_78{color:#7e8bfd}