:root{--red:#c1272d;--red-d:#8f1a1f;--gold:#f6c143;--ink:#1f2937;--muted:#6b7280;--line:#f1e3d3;--paper:#fffaf3}
.rf{max-width:880px;margin:0 auto;padding:24px 16px 48px;color:var(--ink);font:15px/1.7 "Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.rf *{box-sizing:border-box}
.rf-hero{position:relative;overflow:hidden;padding:30px 26px;border-radius:24px;color:#fff;background:radial-gradient(600px 300px at 90% -20%,rgba(255,215,106,.35),transparent 60%),linear-gradient(150deg,#d92f35,var(--red-d))}
.rf-hero small{display:inline-block;padding:4px 12px;border-radius:99px;background:rgba(255,255,255,.16);border:1px solid rgba(255,220,140,.5);font-size:12.5px;font-weight:700;letter-spacing:.04em}
.rf-hero h1{margin:12px 0 6px;font-size:clamp(26px,4vw,36px);line-height:1.2;color:#ffe39a}
.rf-hero p{margin:0;max-width:640px;opacity:.92}
.rf-sum{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0 8px}
.rf-sum div{padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 24px -20px rgba(143,26,31,.5)}
.rf-sum b{display:block;font-size:22px;color:var(--red)}
.rf-sum span{font-size:13px;color:var(--muted)}
.rf h2{display:flex;align-items:center;gap:10px;margin:28px 0 10px;font-size:19px}
.rf h2 i{display:grid;place-items:center;flex:none;width:30px;height:30px;border-radius:10px;background:#fee2e2;color:var(--red);font-style:normal;font-size:14px;font-weight:800}
.rf ul,.rf ol{margin:0;padding-left:22px}
.rf li{margin:4px 0}
.rf .rf-card{padding:16px 18px;border-radius:16px;background:var(--paper);border:1px solid var(--line)}
.rf .rf-steps{display:grid;gap:10px;padding:0;list-style:none;counter-reset:s}
.rf .rf-steps li{position:relative;margin:0;padding:12px 14px 12px 52px;border-radius:14px;background:#fff;border:1px solid var(--line);counter-increment:s}
.rf .rf-steps li::before{content:counter(s);position:absolute;left:14px;top:12px;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;font-size:13px}
.rf table{width:100%;border-collapse:collapse;font-size:14px}
.rf th,.rf td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.rf th{background:#fff7ed;font-weight:800}
.rf .rf-note{margin-top:18px;padding:12px 14px;border-radius:14px;background:#fff7ed;border:1px solid #fed7aa;font-size:14px}
.rf .rf-extra:empty{display:none}
.rf .rf-extra{margin-top:22px}
.rf .rf-foot{margin-top:28px;font-size:13px;color:var(--muted)}
@media (max-width:640px){.rf-hero{padding:24px 18px;border-radius:20px}.rf-sum{grid-template-columns:1fr}.rf table{font-size:13px}.rf th,.rf td{padding:8px}}