.headerBox {
    height: 44px;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    box-sizing: border-box;
    background: rgba(242, 46, 60, 1);
    text-align: center;
    line-height: 44px;
    color: #FFF;
    font-size: 18px;
    padding: 0 10px;
    z-index: 9;
    .van-icon {
        float: left;
        line-height: 44px;
    }
}