/* oc_lang_switcher.css — 头部语言切换器（方案 A） */
.oc-lang-switcher{position:relative;display:inline-block;margin-left:10px;z-index:99999}
.oc-lang-btn{display:inline-flex;align-items:center;gap:4px;background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:18px;padding:4px 12px;font-size:13px;cursor:pointer;line-height:1.4}
.oc-lang-btn:hover{background:rgba(255,255,255,.12)}
.oc-lang-list{position:absolute;top:calc(100% + 6px);right:0;background:#fff;border:1px solid #e2e8f0;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.12);min-width:160px;max-height:320px;overflow-y:auto;display:none;z-index:9999;padding:4px 0}
.oc-lang-list.open{display:block}
.oc-lang-opt{display:flex;align-items:center;gap:8px;padding:8px 14px;font-size:13px;color:#1e293b;cursor:pointer;white-space:nowrap}
.oc-lang-opt:hover{background:#f1f5f9}
.oc-lang-opt.active{background:#eff6ff;color:#15803d;font-weight:700}
.oc-lang-opt .oc-lang-flag{width:20px;text-align:center;flex-shrink:0}
@media(max-width:768px){
  .oc-lang-switcher{margin-left:6px}
  .oc-lang-btn{padding:3px 8px;font-size:12px}
}