:deep(.van-nav-bar__left){align-items:center!important;display:flex!important;height:100%!important;justify-content:center!important;padding:0 20px!important;width:100px!important}:deep(.van-nav-bar__button--left){align-items:center!important;display:flex!important;height:60px!important;justify-content:center!important;padding:0!important;width:60px!important}:deep(.van-nav-bar__arrow){font-size:40px!important;height:40px!important;line-height:40px!important;margin:0!important;width:40px!important}:deep(.van-icon-arrow-left){font-size:40px!important;height:40px!important;line-height:40px!important;width:40px!important}