.bemyfriend-wrapper {
    width: 1200px;
    margin: 0 auto
}

.banner {
    background: url(../images/banner.png) /*tpa=http://www.xiwon588.com/images/banner.png*/ center no-repeat;
    background-size: cover;
    height: 313px
}

.detail ul li{
	width:1200px
}