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.brand{font-weight:700;color:var(--b);text-decoration:none}nav{display:flex;gap:.8rem;overflow-x:auto;font-size:.92rem}nav a{color:var(--t);white-space:nowrap}
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.calc{background:#fff;border:1px solid #dde3e8;border-radius:12px;padding:1rem}
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