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body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif}html[lang=zh-CN] .hero h1{letter-spacing:-.045em;font-size:clamp(2.65rem,5vw,4.25rem);line-height:1.08}html[lang=zh-CN] .eyebrow,html[lang=zh-CN] .section-kicker{letter-spacing:.045em}html[lang=zh-CN] .demo-status,html[lang=zh-CN] .demo-label,html[lang=zh-CN] .local-badge{letter-spacing:.04em}
