.ms-controller{
    visibility: hidden;
}
/*外框*/
html,body,#app{width: 100%;height: 100%;overflow-x: hidden;overflow-y: auto;}
#app{box-sizing: border-box;background: url(body_bg.png) 0 100%/ 100% no-repeat;}

/*居中*/
    /*居中-两边越界隐藏*/
.center-hidden{margin-left: 50%;-webkit-transform: translateX(-50%);-moz-transform: translateX(-50%);-o-transform: translateX(-50%);-ms-transform: translateX(-50%);transform: translateX(-50%)}
    /*文字居中*/
.text-center{text-align: center;}

/*宽度*/
    /*官网布局 主宽度*/
.common-width{width: 900px;}
    /*图片宽度 占满容器*/
.swiper-slide .full-width,.full-width{display: block;width: 100%;}

/*定位*/
.relative{position: relative;}
.bottom{position: absolute;bottom: 0;}
.top{position: absolute;top: 0;}
.left{position: absolute;left: 0;}
.right{position: absolute;right: 0;}

li a{color:#fff;}