html{font-size:50px}.xn-wrapper{width:100%;max-width:750px;min-height:100vh;box-sizing:border-box;margin-left:auto;margin-right:auto;padding-bottom:constant(safe-area-inset-bottom);padding-bottom:env(safe-area-inset-bottom)}.footer{display:flex;justify-content:space-between;box-sizing:border-box;width:100%;padding:.36rem 0 .36rem;padding-bottom:calc(constant(safe-area-inset-bottom) + .36rem);padding-bottom:calc(env(safe-area-inset-bottom) + .36rem);position:fixed;left:0;bottom:0;background:#FFFFFF}.footer .item{width:20%}.footer .item .icon{width:.42rem;height:.42rem;margin-left:auto;margin-right:auto;padding-bottom:.14rem}.footer .item .icon img{width:100%;height:100%}.footer .item .text{width:100%;height:0.22rem;font-size:0.21rem;font-weight:400;color:#9A9A9A;line-height:0.22rem;text-align:center}