.huancontent iframe{width:100%;height:5.21875rem}.homeCheck2{padding:.25rem .375rem .625rem}.huancontent{min-height:9.375rem}.homeCheck2 h4,.huancontent h4{font-size:.46875rem;padding:.46875rem 0;line-height:.625rem;margin-bottom:.46875rem;border-bottom:1px solid #d6d6d6;color:#333}.homeCheck2 .ql-video,.huancontent .ql-video{width:100%}.homeCheck2 p,.huancontent p{font-size:.4375rem;line-height:.71875rem;margin-bottom:0;color:#333}.homeCheck2 img,.huancontent img{display:block;max-width:100%!important;margin:0 auto}.backtop{line-height:1.1875rem;font-size:.5rem;color:#333;text-align:center;background-color:#fff;box-shadow:0 1px .09375rem rgba(0,0,0,.1)}.backtop,.leftarrow{height:1.1875rem;display:flex}.leftarrow{width:1.25rem;justify-content:center;align-items:center}.leftarrow:before{display:block;content:"";width:.28125rem;height:.28125rem;border-right:.0625rem solid #333;border-top:.0625rem solid #333;transform:rotate(-135deg);-webkit-transform:rotate(-135deg)}.ercode{width:100%;position:fixed;left:0;bottom:0;z-index:10}.ercode img{display:block;width:100%}