:root{--background:#f4f7fb;--surface:#ffffff;--text:#1f2430;--muted:#5a6473;--accent:#2f6fed;--border:#e6ebf2}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at 10% 10%,#eef4ff 0,var(--background) 45%);color:var(--text);font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;overflow-x:hidden;text-size-adjust:100%;-webkit-text-size-adjust:100%}.locale-switcher{display:inline-grid;grid-template-columns:repeat(2,minmax(0,1fr));width:max-content;border:1px solid rgba(148,163,184,.38);border-radius:999px;background:rgba(255,255,255,.86);padding:3px;box-shadow:0 10px 30px rgba(15,23,42,.08)}.locale-switcher-button{min-width:76px;min-height:30px;border:0;border-radius:999px;background:transparent;color:#64748b;cursor:pointer;font:inherit;font-size:13px;font-weight:700;transition:background .16s ease,color .16s ease,box-shadow .16s ease}.locale-switcher-button.is-active{background:#0f172a;color:#ffffff;box-shadow:0 8px 18px rgba(15,23,42,.18)}.locale-switcher-button:focus-visible{outline:2px solid #2563eb;outline-offset:2px}button,input,select,textarea{font:inherit}a,button{-webkit-tap-highlight-color:rgba(47,111,237,.12)}