.xrp{--xrp-ink:#ffffff;--xrp-body:#c9d1dd;--xrp-muted:#97a1b2;--xrp-line:rgba(255,255,255,0.1);--xrp-line-strong:rgba(255,255,255,0.22);--xrp-surface:rgba(15,15,18,0.82);--xrp-chip:#1c1c21;--xrp-track:rgba(255,255,255,0.08);--xrp-grid:rgba(255,255,255,0.05);--xrp-red:#ff3b33;--xrp-red-text:#ff8a78;--xrp-red-soft:rgba(255,59,51,0.1);--xrp-red-line:rgba(255,59,51,0.35);--xrp-silver:#8c96a6;--xrp-num:linear-gradient(180deg,#ffffff 20%,#8c96a6);color:var(--xrp-body);font-family:Inter,system-ui,sans-serif;font-size:17px;line-height:1.65}[data-theme=light] .xrp{--xrp-ink:#0a0a0c;--xrp-body:#2e3442;--xrp-muted:#5a6372;--xrp-line:rgba(10,10,12,0.1);--xrp-line-strong:rgba(10,10,12,0.22);--xrp-surface:#ffffff;--xrp-chip:#f0f0f3;--xrp-track:rgba(10,10,12,0.07);--xrp-grid:rgba(10,10,12,0.05);--xrp-red-text:#b0080f;--xrp-red-soft:rgba(255,59,51,0.07);--xrp-red-line:rgba(176,8,15,0.25);--xrp-num:linear-gradient(180deg,#0a0a0c 30%,#5a6372)}.xrp *,.xrp :after,.xrp :before{box-sizing:border-box}.xrp 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(prefers-reduced-motion:reduce){.xrp-pulse{animation:none}}.xrp-h1{margin:0;max-width:900px;font-family:Sora,Inter,sans-serif;font-weight:600;font-size:clamp(40px,6vw,72px);line-height:1.04;letter-spacing:-.045em;color:var(--xrp-ink)}.xrp-lede{margin-top:22px!important;max-width:700px;font-size:clamp(18px,2vw,21px);line-height:1.55}.xrp-byline{display:flex;align-items:center;gap:14px;margin-top:32px}.xrp-byline img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid var(--xrp-line)}.xrp-byline-name{font-size:15px;font-weight:600;color:var(--xrp-ink);line-height:1.35;text-decoration:none}.xrp-byline-meta{font-size:13px;color:var(--xrp-muted);line-height:1.35}.xrp-stats{margin-top:56px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:1px;gap:1px;background:var(--xrp-line);border:1px solid var(--xrp-line);border-radius:22px;overflow:hidden}.xrp-stat{background:var(--xrp-surface);padding:28px 28px 26px}.xrp-kicker{font:500 12px/1.3 Inter,sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--xrp-muted)}.xrp-stat-num{margin-top:14px;font-family:Sora,Inter,sans-serif;font-weight:600;font-size:clamp(44px,5vw,60px);line-height:1;letter-spacing:-.05em;background:var(--xrp-num);-webkit-background-clip:text;background-clip:text;color:transparent}.xrp-stat-label{margin-top:12px;font-size:15px;line-height:1.45}.xrp-engines{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:12px}.xrp-engines .xrp-kicker{margin-right:8px}.xrp-engine{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px 0 6px;border-radius:999px;border:1px solid var(--xrp-line);background:var(--xrp-surface);font-size:13px;font-weight:500;color:var(--xrp-ink)}.xrp-engine-mark{width:28px;height:28px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px rgba(10,10,12,.08)}.xrp-engine-mark img{width:16px;height:16px;object-fit:contain}.xrp-body{display:grid;grid-template-columns:220px minmax(0,780px);grid-gap:64px;gap:64px;padding:56px 0 24px}.xrp-toc{position:-webkit-sticky;position:sticky;top:120px;align-self:start}.xrp-toc nav{display:flex;flex-direction:column;border-left:1px solid var(--xrp-line);margin-top:14px}.xrp-toc a{padding:7px 0 7px 16px;font-size:14px;line-height:1.4;color:var(--xrp-muted);text-decoration:none}.xrp-toc a:hover{color:var(--xrp-ink)}.xrp-toc a span{font-family:Sora,Inter,sans-serif;font-size:11px;color:var(--xrp-red-text);margin-right:8px}.xrp-card{border:1px solid var(--xrp-line);background:var(--xrp-surface);border-radius:20px;padding:24px 28px}.xrp-label{display:flex;align-items:center;gap:8px;font:600 12px/1.3 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10px;font-size:20px;letter-spacing:-.02em}.xrp-grid{margin-top:24px;display:grid;grid-gap:12px;gap:12px}.xrp-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.xrp-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.xrp-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.xrp-tile{border:1px solid var(--xrp-line);background:var(--xrp-surface);border-radius:18px;padding:20px}.xrp-tile-title{font-size:15px;font-weight:600;color:var(--xrp-ink)}.xrp-tile-text{margin-top:6px;font-size:14px;line-height:1.55}.xrp-step{width:32px;height:32px;border-radius:10px;background:var(--xrp-chip);display:flex;align-items:center;justify-content:center;font:600 14px 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b{font-family:Sora,Inter,sans-serif;font-weight:600;color:var(--xrp-ink)}.xrp-track{margin-top:8px;height:10px;border-radius:5px;background:var(--xrp-track);overflow:hidden}.xrp-track>i{display:block;height:100%;border-radius:5px}.xrp-caption{margin-top:12px;font-size:13px;line-height:1.5;color:var(--xrp-muted)}.xrp-legend{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:14px}.xrp-legend span{display:inline-flex;align-items:center;gap:8px}.xrp-legend i{width:10px;height:10px;border-radius:3px}.xrp-src{display:grid;grid-template-columns:160px minmax(0,1fr) 56px;align-items:center;grid-gap:14px;gap:14px;margin-top:10px;font-size:14px}.xrp-src b,.xrp-src span{color:var(--xrp-ink)}.xrp-src b{text-align:right;font-family:Sora,Inter,sans-serif;font-weight:600}.xrp-src .xrp-track{margin-top:0;height:8px}.xrp-list-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--xrp-line);font-size:15px}.xrp-list-row:last-child{border-bottom:0}.xrp-list-row b{font-family:Sora,Inter,sans-serif;font-weight:600;color:var(--xrp-ink);white-space:nowrap}.xrp-check{display:flex;gap:10px;margin-top:14px;font-size:15px;line-height:1.45}.xrp-check svg{flex:none;margin-top:2px}.xrp-limits{border-top:1px solid var(--xrp-line)}.xrp-limit{display:grid;grid-template-columns:200px minmax(0,1fr);grid-gap:4px 24px;gap:4px 24px;padding:16px 0;border-bottom:1px solid var(--xrp-line);font-size:15px;line-height:1.55}.xrp-limit b{color:var(--xrp-ink);font-weight:600}.xrp-faq{border-top:1px solid var(--xrp-line)}.xrp-faq details{border-bottom:1px solid var(--xrp-line)}.xrp-faq summary{list-style:none;min-height:56px;padding:16px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;font:600 16px/1.4 Inter,sans-serif;color:var(--xrp-ink)}.xrp-faq summary::-webkit-details-marker{display:none}.xrp-faq summary svg{flex:none;transition:transform 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