:root{--registration-ink:#173040;--registration-muted:#617783;--registration-line:#d8e1e5;--registration-accent:#7d6124;--registration-soft:#f5f8f9}*{box-sizing:border-box}body:has(.registration-page){margin:0;background:#f2f5f6;color:var(--registration-ink)}.registration-page{min-height:100vh;font:400 16px/1.55 var(--font-geist-sans),Arial,sans-serif}.registration-page[lang=zh-Hans]{font-family:PingFang SC,Microsoft YaHei,sans-serif}.registration-header{min-height:72px;padding:0 clamp(24px,5vw,72px);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;background:#fff;border-bottom:1px solid var(--registration-line)}.registration-header>a{display:inline-flex;align-items:center;gap:9px;justify-self:start;color:var(--registration-muted);text-decoration:none;font-size:.875rem}.registration-header>span{font-family:Georgia,Times New Roman,serif;font-size:1.05rem;letter-spacing:.025em}.registration-header nav{justify-self:end;display:flex;border:1px solid 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