.wechat-float{position:fixed;right:18px;top:54%;z-index:998;transform:translateY(-50%)}
.wechat-float__toggle{display:none}
.wechat-float__panel{width:170px;padding:14px 12px 12px;border:1px solid #dce5e5;border-radius:6px;background:#fff;box-shadow:0 10px 32px rgba(10,61,98,.15);text-align:center}
.wechat-float__panel h2{margin:0 0 5px;color:var(--main-color,#0a3d62);font-size:16px;line-height:1.35}
.wechat-float__panel p{margin:0 0 10px;color:var(--text-gray,#636e72);font-size:12px;line-height:1.5}
.wechat-float__qr{width:144px;height:144px;display:block;margin:0 auto;background:#fff}
@media(max-width:768px){
  .wechat-float{top:auto;right:12px;bottom:74px;transform:none}
  .wechat-float__toggle{width:54px;height:54px;display:flex;align-items:center;justify-content:center;padding:0 8px;border:0;border-radius:50%;color:#fff;background:var(--main-color,#0a3d62);box-shadow:0 8px 24px rgba(10,61,98,.25);font-size:12px;line-height:1.2;cursor:pointer}
  .wechat-float__panel{position:absolute;right:0;bottom:64px;display:none}
  .wechat-float.is-open .wechat-float__panel{display:block}
}