:root{--bg:#F3FBFA;--deep:#D4EFEA;--card:#FBFEFD;--sub:#BFE6DF;--title:#123532;--text:#1A4540;--muted:#3F6B66;--soft:#5E8681;--brand:#0D5C56;--brand2:#168A7D;--mint:#8FDFD2;--border:rgba(22,138,125,.22);--shadow:0 14px 36px rgba(18,53,50,.10);--header:112px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(1160px,calc(100% - 32px));margin:0 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p{margin:0;color:var(--muted)}.prose{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:clamp(20px,4vw,34px);box-shadow:var(--shadow)}.prose p{margin:0 0 16px}.prose p:last-child{margin-bottom:0}.step-list{display:grid;gap:14px}.step{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}.step-no{width:44px;height:44px;border-radius:12px;background:var(--deep);color:var(--brand);display:grid;place-items:center;font-weight:800}.note{background:var(--deep);border-radius:14px;padding:18px;color:var(--text);border:1px solid var(--border)}.site-footer{background:var(--brand);color:var(--deep);margin-top:42px;padding:38px 0 74px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-logo{height:30px;max-width:170px;object-fit:contain}.footer-brand strong,.footer-brand span{display:block;color:var(--bg)}.footer-brand 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