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p{font-size:1.18rem;color:var(--muted)}.guide-hero h1{font-size:clamp(2.2rem,4.5vw,4.1rem)}.article-layout{display:grid;grid-template-columns:minmax(0,900px) minmax(240px,330px);gap:42px;padding-top:50px;padding-bottom:80px;align-items:start}.article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:clamp(24px,5vw,52px);box-shadow:var(--shadow)}.article .lede{font-size:1.2rem;color:#253e50}.key-box{border-left:6px solid var(--green);background:#eff9e9;padding:18px 22px;border-radius:0 14px 14px 0;margin:28px 0}.key-box strong{color:#31580f}.check-list,.warning-list,.source-list{padding-left:1.25rem}.check-list li,.warning-list li{margin:.7rem 0}.warning-list li::marker{color:var(--orange)}.source-list li{margin:.55rem 0}.sidebar{position:sticky;top:100px;display:grid;gap:18px}.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.side-card h2{font-size:1.1rem;margin:0 0 12px}.side-card a{display:block;padding:.55rem 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