.appearance-switch{display:inline-flex;align-items:center;gap:8px;font:14px/1.5 "Segoe UI","Microsoft YaHei",sans-serif;white-space:nowrap;color:#405766}
.appearance-switch select{font:inherit;min-height:44px;width:108px;padding:8px;border:1px solid #74858f;border-radius:6px;background:#fff;color:#172c39;cursor:pointer;box-sizing:border-box}
.appearance-switch select:focus-visible{outline:3px solid #087454;outline-offset:3px}
html[data-theme="dark"] .appearance-switch{color:#b5c6cc}
html[data-theme="dark"] .appearance-switch select{color:#edf2f3;background:#101920;border-color:#70868d}
html[data-theme="dark"] .appearance-switch select:focus-visible{outline-color:#9df5c5}