.mh-bottom-nav{position:fixed;left:50%;transform:translate(-50%);bottom:0;width:100%;max-width:540px;height:calc(56px + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);display:flex;align-items:stretch;background:#fff;border-top:1px solid #eeeeee;z-index:100;box-sizing:border-box}.mh-bottom-nav__item{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;height:56px;max-height:56px;color:#9b9b9b;font-size:12px;flex-shrink:0}.mh-bottom-nav__item span{white-space:nowrap;line-height:1.15}.mh-bottom-nav__item--ai span{font-size:12px}.mh-bottom-nav__item--active{color:#2b2b2b}.mh-bottom-nav__icon{width:24px;height:24px;object-fit:contain;flex-shrink:0}.mh-bottom-nav-spacer{height:calc(56px + env(safe-area-inset-bottom,0px))}.mh-bottom-nav__item--community{position:relative}.community-nav-unread{position:absolute;top:3px;right:12%;min-width:14px;padding:0 3px;background:#ff3b30;color:#fff;border-radius:99px;font-size:10px;line-height:14px}