.aimi-chat-material{background:#f6f6f6;height:100%;box-sizing:border-box;overflow:auto}.aimi-chat-material .material-main{min-height:calc(100vh - 3.1rem)}.aimi-chat-material .footer{width:100%;height:3.1rem;background:#fff;border-radius:1.24rem 1.24rem 0 0;display:flex;position:fixed;left:0;bottom:0;right:0;margin:auto;font-size:.6rem;z-index:999;color:#999da5;justify-content:space-around;align-items:center;max-width:20rem;box-shadow:0 .12rem .4rem rgba(0,0,0,.16)}.aimi-chat-material .footer .footer-item{display:flex;flex-direction:column;justify-content:center;align-items:center}.aimi-chat-material .footer .footer-item i{font-size:1.25rem}.aimi-chat-material .footer .footer-item span{margin-top:.24rem}