.new-thread{position:fixed;display:flex;align-items:center;justify-content:center;color:var(--bg-font-clear);background:var(--hl-light-shade);border-radius:50%;padding:8px;cursor:pointer;bottom:16px;right:16px;width:32px;height:32px;z-index:1}.new-thread::before{content:'';display:block;background:var(--hl-font-dim);width:32px;height:32px;-webkit-mask-image:url("/img/plus.svg?v=2");mask-image:url("/img/plus.svg?v=2")}@media screen and (min-width: 1024px){.new-thread{display:none}}