.language-switch{display:inline-flex;align-items:center;gap:3px;padding:3px;border:1px solid #dbe4ed;border-radius:10px;background:#f6f8fb;flex-shrink:0}.language-switch button{width:auto;margin:0;min-height:34px;padding:6px 12px;border:0;border-radius:7px;background:transparent;color:#586679;font:600 13px/1.4 system-ui,sans-serif;cursor:pointer}.language-switch button[aria-pressed=true]{background:white;color:#0969cf;box-shadow:0 1px 4px #10274415}.language-switch button:focus-visible{outline:2px solid #2485ef;outline-offset:2px}html[lang=zh-CN] body{font-family:Inter,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif}html[lang=zh-CN] .nav-item{letter-spacing:.02em}html[lang=zh-CN] .section-kicker,html[lang=zh-CN] .nav-label{letter-spacing:.06em}html[lang=zh-CN] .field-help{line-height:1.7}[data-language-host]{display:flex;justify-content:flex-end;margin-bottom:18px}@media(max-width:650px){.topbar-actions{flex-wrap:wrap}.language-switch button{min-height:40px}.topbar{gap:12px;flex-wrap:wrap}}