.i-index{width:100%;height:100%}.i-index-line{position:absolute;left:0;width:100%;height:1rpx;background-color:#f7f7f7;top:50%}.i-index-content{background:#fff;position:relative;z-index:1;display:inline-block;padding:0 10px}.i-index-fixed{position:fixed;right:0;top:50%;z-index:10;padding-left:10px;transform:translateY(-50%)}.i-index-fixed-item{display:block;height:18px;line-height:18px;padding:0 5px;text-align:center;color:#2d8cf0;font-size:12px;border-radius:50%}.i-index-fixed-item-current{background:#2d8cf0;color:#fff}.i-index-tooltip{position:fixed;left:50%;top:50%;transform:translate3d(-50%,-50%,0);background:rgba(0,0,0,.7);color:#fff;font-size:24px;border-radius:50%;width:80px;height:80px;line-height:80px;text-align:center}