/* 骨架屏 — 秒开，零 CLS */
html,body,#root{margin:0;padding:0;height:100%;overflow:hidden;background:#f7f3f0}
.skeleton{display:flex;height:100%}
.sk-nav{width:180px;min-width:180px;background:linear-gradient(180deg,#fff8f9,#ffeef2);display:flex;flex-direction:column;padding:12px 7px;gap:8px}
.sk-nav-item{height:36px;background:rgba(0,0,0,.04);border-radius:12px}
.sk-nav-brand{height:44px;background:rgba(0,0,0,.06);border-radius:12px;margin-bottom:6px}
.sk-main{flex:1;display:flex;background:transparent;align-items:center;justify-content:center}
.sk-loader{color:transparent}
@media(max-width:768px){
  .sk-nav{display:none}
  .sk-main{background:#faf7f5}
}