/* ===== WhatsApp 悬浮组件（三站共用，官方绿） ===== */
.wa-fab{position:fixed;right:18px;bottom:18px;z-index:98000}
.wa-btn{width:56px;height:56px;border-radius:50%;border:0;background:#25d366;color:#fff;cursor:pointer;box-shadow:0 6px 20px rgba(37,211,102,.45);display:flex;align-items:center;justify-content:center;transition:transform .2s ease;padding:0}
.wa-btn:hover{transform:scale(1.08)}
.wa-btn svg{width:30px;height:30px;fill:#fff;display:block}
.wa-panel{position:absolute;right:0;bottom:70px;width:280px;background:#fff;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.22);padding:14px;z-index:98000}
.wa-panel[hidden]{display:none}
.wa-head{font-size:14px;font-weight:700;color:#0d1b3e;margin:0 0 10px;padding-right:26px}
.wa-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:8px;text-decoration:none;margin-bottom:8px;background:#f4f6fa;transition:background .2s ease}
.wa-item:last-child{margin-bottom:0}
.wa-item:hover{background:#e8f7ee}
.wa-label{font-size:12px;color:#7a8194}
.wa-num{font-size:15px;font-weight:700;color:#0d1b3e}
.wa-close{position:absolute;top:8px;right:8px;width:26px;height:26px;border:0;border-radius:50%;background:#eef0f5;cursor:pointer;font-size:16px;line-height:1;color:#5a6377;padding:0}
.wa-close:hover{background:#e0e4ec;color:#0d1b3e}
@media (max-width:576px){
  .wa-fab{right:14px;bottom:14px}
  .wa-btn{width:50px;height:50px}
  .wa-panel{width:calc(100vw - 28px);right:0}
}