.o4-language-switch{position:fixed;right:20px;bottom:18px;z-index:40;display:flex;align-items:center;gap:5px;padding:5px 8px;background:#fff;color:#2a444b;border:1px solid #cbd4d1;border-radius:999px;box-shadow:0 4px 18px #20352a20;font:500 13px/1.2 var(--font-geist-sans),Microsoft YaHei,sans-serif;letter-spacing:0;text-transform:none}.o4-language-switch>span:first-child{padding-left:4px;font-size:18px}.o4-language-switch button{min-height:34px;min-width:52px;padding:8px 12px;border:0;border-radius:999px;cursor:pointer;background:transparent;color:inherit;font:inherit}.o4-language-switch button[aria-pressed=true]{background:#2a444b;color:#fff}.o4-language-switch button:focus-visible{outline:3px solid #b4bb00;outline-offset:2px}.o4-language-divider{height:14px;width:1px;background:#d8dedb}html[lang=zh-CN] body{font-family:var(--font-geist-sans),"PingFang SC","Microsoft YaHei",sans-serif}html[lang=zh-CN] .cu-kicker,html[lang=zh-CN] .o4-brand-intro>span{letter-spacing:.12em}@media(max-width:600px){.o4-language-switch{right:12px;bottom:calc(12px + env(safe-area-inset-bottom));font-size:12px}.o4-language-switch button{min-height:40px}}@media print{.o4-language-switch{display:none}}