:root{color-scheme:light;--migration-accent:#0d9488;--migration-ink:#152238;--migration-line:#e6e9f0}
 *,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}
 body{margin:0;color:#1f2937;background:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.65}
 .cf-shell-header{background:#fff;border-bottom:1px solid var(--migration-line);position:relative;z-index:5}
 .cf-shell-wrap{max-width:1240px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:20px;justify-content:space-between}
 .cf-shell-brand{font-weight:800;font-size:1.2rem;text-decoration:none;color:var(--migration-accent);white-space:nowrap}
 .cf-shell-nav{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px}
 .cf-shell-nav a{color:#334155;text-decoration:none;font-size:13px;font-weight:650;padding:6px 9px;border-radius:8px}
 .cf-shell-nav a:hover,.cf-shell-nav a[aria-current="page"]{background:#eef2ff;color:var(--migration-accent)}
 .cf-shell-foot{border-top:1px solid var(--migration-line);margin-top:30px;padding:30px 18px;color:#64748b;text-align:center;font-size:13px}
 .cf-shell-foot a{color:inherit;text-decoration:underline}
 .cf-entry{min-height:56vh;overflow-wrap:break-word}.cf-entry img{max-width:100%;height:auto}
 .cf-content-list{max-width:1000px;margin:50px auto;padding:0 20px}.cf-content-list h1{font-size:clamp(1.8rem,4vw,3rem)}
 .cf-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:18px;margin:30px 0}
 .cf-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:22px;box-shadow:0 5px 18px #0f172a0a}
 .cf-card a{text-decoration:none;color:var(--migration-accent);font-weight:750}.cf-card p{color:#475569}
 .cf-article-fallback{max-width:930px;padding:40px 20px;margin:auto}
 .cf-article-fallback h1{font-size:clamp(1.6rem,4vw,2.5rem);line-height:1.25}
 .cf-migration-note{max-width:1180px;margin:16px auto;padding:14px 20px;border:1px solid #f6d27e;background:#fff8e7;border-radius:10px;color:#7c4a03;font-size:14px}
 @media(max-width:700px){.cf-shell-wrap{flex-wrap:wrap;justify-content:center}.cf-shell-nav{justify-content:center}.cf-shell-nav a{padding:5px}}