/* 语言切换器自定义下拉 */
.lang-switcher { position:relative; display:inline-block; }
.lang-switcher-btn { display:flex; align-items:center; gap:6px; cursor:pointer; padding:4px 8px; border:1px solid var(--line); border-radius:4px; background:#fff; font-size:13px; white-space:nowrap; }
.lang-switcher-btn:hover { background:#f5f5f5; }
.lang-switcher-btn .arrow { font-size:10px; margin-left:2px; color:var(--muted); }
.lang-switcher-dropdown { display:none; position:absolute; top:100%; right:0; margin-top:4px; background:#fff; border:1px solid var(--line); border-radius:6px; box-shadow:0 4px 12px rgba(0,0,0,0.1); z-index:100; min-width:140px; overflow:hidden; }
.lang-switcher-dropdown.open { display:block; }
.lang-switcher-dropdown a { display:flex; align-items:center; gap:8px; padding:8px 12px; text-decoration:none; color:inherit; font-size:13px; }
.lang-switcher-dropdown a:hover { background:#f0f4ff; }
.lang-switcher-dropdown a.active { font-weight:600; background:#e8effe; }
.lang-flag { display:inline-block; width:20px; height:15px; border-radius:2px; overflow:hidden; flex-shrink:0; }
.lang-flag img { width:100%; height:100%; display:block; }