.rf-hero{padding:56px 0 40px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 80% 15%,#06335f 0,transparent 38%),linear-gradient(120deg,#03070c,#061522)}
    .rf-eyebrow{color:var(--muted);font-size:12px;letter-spacing:2px;margin-bottom:14px}.rf-eyebrow span{color:var(--blue)}
    .rf-hero h1{font-size:clamp(30px,5vw,54px);margin:0 0 14px;letter-spacing:1px}.rf-hero h1 span{color:var(--blue)}
    .rf-hero p{max-width:760px;color:#c1d0dc;line-height:1.7;font-size:17px;margin:0 0 18px}
    .rf-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}.rf-tags span{border:1px solid #07548b;color:#37b4ff;border-radius:5px;padding:5px 10px;font-size:12px;font-weight:700}
    .rf-actions{display:flex;flex-wrap:wrap;gap:12px}
    .rf-lead{max-width:820px;margin:0 auto 22px;text-align:center;color:#c2d0dc;line-height:1.7}
    .rf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .rf-box{background:#070c12;border:1px solid #213140;border-radius:8px;padding:18px}.rf-box h3{color:#0b9cff;font-size:17px;margin:0 0 8px}.rf-box p,.rf-box li{color:#c2d0dc;font-size:14px;line-height:1.65;margin:0}.rf-box ul{padding-left:18px;margin:0}
    .rf-note{max-width:900px;margin:18px auto 0;padding:14px 18px;border:1px solid #07548b;border-radius:8px;background:#04101b;color:#c2d0dc;font-size:14px;line-height:1.7}
    .rf-tables{display:grid;grid-template-columns:1fr 1fr;gap:20px}.rf-tables h3{color:#38b6ff;font-size:17px;margin:0 0 10px}
    .rf-tw{overflow-x:auto}.rf-table{width:100%;border-collapse:collapse;font-size:14px}.rf-table th,.rf-table td{border:1px solid #1a2a3a;padding:7px 10px;text-align:left;vertical-align:top}.rf-table th{background:#082743;color:#7fd0ff}.rf-table td{color:#c9d6e1}
    .rf-steps{max-width:900px;margin:0 auto;padding-left:22px;color:#c2d0dc;line-height:1.8;font-size:15px}.rf-steps code,.rf-box code,.rf-note code{background:#0a1826;border:1px solid #1a2a3a;border-radius:4px;padding:1px 6px;font-size:.92em;color:#8fd3ff}
    .rf-download{max-width:900px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:18px;border:1px solid #078be5;border-radius:7px;background:#04101b}
    .rf-download .ico{font-size:42px;color:#168eff}.rf-download .info{flex:1;min-width:0}.rf-download h3{margin:0 0 8px;color:#39b5ff;font-size:18px;overflow-wrap:anywhere}.rf-download p{margin:0;color:#a8bac9;font-size:13px;line-height:1.6}
    .rf-dl-btn{display:inline-flex;align-items:center;gap:10px;padding:15px 20px;background:linear-gradient(120deg,#078ff5,#075bd4);color:#fff;text-decoration:none;border-radius:6px;font-weight:700;white-space:nowrap}.rf-dl-btn:hover{filter:brightness(1.12)}
    .rf-small{max-width:900px;margin:14px auto 0;color:var(--muted);font-size:12px;line-height:1.6;text-align:center}
    .rf-small a{color:#08a0ff}
    @media(max-width:900px){.rf-grid{grid-template-columns:1fr}.rf-tables{grid-template-columns:1fr}.rf-download{flex-wrap:wrap}.rf-dl-btn{width:100%;justify-content:center}}
.rf-photo{margin:0 auto;max-width:420px;text-align:center}.rf-photo img{width:100%;height:auto;border:1px solid #213140;border-radius:8px;display:block}.rf-photo figcaption{margin-top:10px;color:#a8bac9;font-size:13px;line-height:1.6}
.rf-steps code,.rf-box code,.rf-note code,.rf-small code{overflow-wrap:anywhere}.rf-grid>*,.rf-tables>*{min-width:0}
.rf-box a{color:#39b5ff}