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button[data-active=true]{color:var(--paper-bright);background:var(--ink)}.language-switcher button:active{transform:scale(.95)}.hero{display:grid;grid-template-columns:minmax(0,.92fr) minmax(520px,1.08fr);align-items:center;gap:clamp(56px,7vw,100px);padding:clamp(74px,8vw,118px) 0 88px}.hero__copy{min-width:0;animation:slide-up .62s ease-out both}.hero__eyebrow{display:inline-flex;align-items:center;gap:12px;padding:9px 14px;margin-bottom:28px;background:var(--butter);border:2px solid var(--ink);border-radius:999px;box-shadow:3px 4px 0 var(--ink);font-size:.78rem;font-weight:700;letter-spacing:.04em;transform:rotate(-1deg)}.eyebrow-line{width:28px;height:2px;background:var(--ink)}.hero h1{max-width:680px;margin:0;font-size:clamp(4rem,6.6vw,6.7rem);font-weight:700;letter-spacing:-.065em;line-height:.9}html[lang=zh] .hero h1{font-size:clamp(3.5rem,5vw,5.1rem);letter-spacing:-.055em;line-height:1.02}.hero h1 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var(--ink)}.info-hero h1{max-width:820px;margin:13px 0 18px;font-size:clamp(3rem,7vw,6.5rem);font-weight:700;letter-spacing:-.065em;line-height:.94}.info-hero p{max-width:720px;margin:0;color:var(--ink-soft);font-size:clamp(1.05rem,1.7vw,1.3rem);line-height:1.55}.info-hero small{display:block;margin-top:22px;color:var(--ink-soft);font-size:.75rem;font-weight:600}.info-content{padding-top:42px}.info-content>:first-child{margin-top:0}.info-content h2{margin:46px 0 14px;font-size:clamp(1.75rem,3.4vw,2.7rem);font-weight:700;letter-spacing:-.045em;line-height:1.05}.info-content h3{margin:30px 0 9px;font-size:1.25rem;font-weight:700;letter-spacing:-.025em}.info-content li,.info-content p{color:var(--ink-soft);font-size:1rem;line-height:1.7}.info-content p{margin:14px 0}.info-content ol,.info-content ul{display:grid;gap:8px;padding-left:1.35rem;margin:18px 0}.info-content strong{color:var(--ink)}.info-content 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