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.bn{--bn-bg:#fff;--bn-bg2:#fafafa;--bn-card:#fff;--bn-line:#eaecef;--bn-text:#1e2329;--bn-text2:#474d57;--bn-muted:#707a8a;--bn-faint:#b7bdc6;--bn-yellow:#f0b90b;--bn-yellow2:#fcd535;--bn-yellow-soft:#fef6d8;--bn-btn-text:#181a20;color:var(--bn-text);background:var(--bn-bg);font-family:var(--font-plex), "IBM Plex Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;-webkit-font-smoothing:antialiased;margin:-1.25rem -1rem 0;padding:0 1rem 2rem}@media (min-width:768px){.bn{margin:-1.5rem -1.75rem 0;padding:0 1.75rem 3rem}}:root[data-theme=dark] .bn{--bn-bg:#181a20;--bn-bg2:#1e2329;--bn-card:#1e2329;--bn-line:#2b3139;--bn-text:#eaecef;--bn-text2:#c9ced6;--bn-muted:#848e9c;--bn-faint:#5e6673;--bn-yellow:#fcd535;--bn-yellow2:#f0b90b;--bn-yellow-soft:#2b2a1c}.bn a{color:inherit}.bn .bn-wrap{max-width:1200px;margin:0 auto}.bn .bn-top{color:var(--bn-muted);flex-wrap:wrap;align-items:center;gap:.5rem;padding:1rem 0;font-size:14px;display:flex}.bn .bn-top a{text-decoration:none}.bn .bn-top a:hover{color:var(--bn-yellow)}.bn .bn-top .sep{color:var(--bn-faint)}.bn .bn-top .cur{color:var(--bn-text);text-overflow:ellipsis;white-space:nowrap;max-width:60vw;font-weight:500;overflow:hidden}.bn .bn-grid{grid-template-columns:minmax(0,1fr);gap:2.5rem;display:grid}@media (min-width:1024px){.bn .bn-grid{grid-template-columns:minmax(0,760px) 280px;justify-content:space-between}}.bn .bn-chip{background:var(--bn-yellow-soft);color:#9c6a00;border-radius:4px;align-items:center;gap:.4rem;padding:.25rem .6rem;font-size:12px;font-weight:600;display:inline-flex}:root[data-theme=dark] .bn .bn-chip{color:var(--bn-yellow)}.bn h1{letter-spacing:-.01em;text-wrap:balance;margin:.9rem 0 1rem;font-size:clamp(28px,4vw,40px);font-weight:600;line-height:1.2}.bn .bn-lede{color:var(--bn-text2);margin:0 0 1.25rem;font-size:18px;line-height:1.6}.bn .bn-meta{color:var(--bn-muted);border-top:1px solid var(--bn-line);border-bottom:1px solid var(--bn-line);flex-wrap:wrap;align-items:center;gap:.5rem 1rem;margin-bottom:1.75rem;padding:1rem 0;font-size:14px;display:flex}.bn .bn-meta .brand{color:var(--bn-text);align-items:center;gap:.5rem;font-weight:600;display:inline-flex}.bn .bn-meta .brand i{background:var(--bn-yellow);width:28px;height:28px;color:var(--bn-btn-text);border-radius:50%;place-items:center;font-size:13px;font-style:normal;font-weight:700;display:inline-grid}.bn .bn-meta .dot{color:var(--bn-faint)}.bn .bn-body{color:var(--bn-text);font-size:17px;line-height:1.75}.bn .bn-body p{margin:0 0 1.25rem}.bn .bn-body strong{font-weight:600}.bn .bn-body h2{text-wrap:balance;margin:2.5rem 0 1rem;scroll-margin-top:90px;font-size:26px;font-weight:600;line-height:1.3}.bn .bn-body h3{margin:1.9rem 0 .8rem;font-size:20px;font-weight:600;line-height:1.35}.bn .bn-body a{color:var(--bn-text);text-decoration:underline;-webkit-text-decoration-color:var(--bn-yellow);text-decoration-color:var(--bn-yellow);text-underline-offset:3px}.bn .bn-body a:hover{color:var(--bn-yellow)}.bn figure{margin:1.6rem 0 1.8rem}.bn figure img{border:1px solid var(--bn-line);background:var(--bn-bg2);border-radius:12px;width:100%;height:auto;display:block}.bn figcaption{color:var(--bn-muted);margin-top:.6rem;font-size:13.5px;line-height:1.55}.bn figcaption b{color:var(--bn-text);margin-right:.35rem;font-weight:600}.bn .bn-nums{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin:1.4rem 0 1.6rem;display:grid}@media (max-width:560px){.bn .bn-nums{grid-template-columns:1fr}}.bn .bn-num{background:var(--bn-bg2);border:1px solid var(--bn-line);border-radius:12px;padding:1rem 1.1rem}.bn .bn-num .v{font-variant-numeric:tabular-nums;letter-spacing:-.01em;font-size:26px;font-weight:600;line-height:1.1}.bn .bn-num .v.acc{color:#c99400}:root[data-theme=dark] .bn .bn-num .v.acc{color:var(--bn-yellow)}.bn .bn-num .l{color:var(--bn-muted);margin-top:.35rem;font-size:13px;line-height:1.4}.bn .bn-body ul{margin:0 0 1.25rem;padding-left:1.2rem;list-style:outside}.bn .bn-body li{margin:0 0 .6rem;padding-left:.2rem}.bn .bn-body li::marker{color:var(--bn-yellow)}.bn .bn-callout{background:var(--bn-yellow-soft);border-left:4px solid var(--bn-yellow);border-radius:8px;margin:1.5rem 0 1.75rem;padding:1rem 1.2rem;font-size:16px;line-height:1.7}.bn .bn-chart{background:var(--bn-card);border:1px solid var(--bn-line);border-radius:12px;margin:1.3rem 0;padding:1rem 1.1rem .6rem}.bn .bn-chart .ct{margin-bottom:.5rem;font-size:14px;font-weight:600}.bn .bn-chart svg{width:100%;height:auto;font-family:inherit;display:block}.bn .bn-chart .lbl{fill:var(--bn-text);font-size:13px}.bn .bn-chart .val{fill:var(--bn-muted);font-variant-numeric:tabular-nums;font-size:13px}.bn .bn-chart .cex{fill:var(--bn-yellow)}.bn .bn-chart .dapp{fill:var(--bn-faint)}.bn .bn-chart .track{fill:var(--bn-line)}.bn .bn-chart .note{color:var(--bn-muted);margin:.5rem 0 .4rem;font-size:12.5px;line-height:1.5}.bn .bn-chart .sw{vertical-align:-1px;border-radius:2px;width:10px;height:10px;margin-right:4px;display:inline-block}.bn .bn-faq{border-top:1px solid var(--bn-line);margin:.5rem 0 1.5rem}.bn .bn-faq details{border-bottom:1px solid var(--bn-line)}.bn .bn-faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 0;font-size:17px;font-weight:600;list-style:none;display:flex}.bn .bn-faq summary::-webkit-details-marker{display:none}.bn .bn-faq summary:after{content:"";border-right:2px solid var(--bn-muted);border-bottom:2px solid var(--bn-muted);flex:none;width:10px;height:10px;margin-right:4px;transition:transform .2s;transform:rotate(45deg)}.bn .bn-faq details[open] summary:after{transform:rotate(-135deg)}.bn .bn-faq details[open] summary{color:var(--bn-yellow)}:root:not([data-theme=dark]) .bn .bn-faq details[open] summary{color:#9c6a00}.bn .bn-faq .ans{color:var(--bn-text2);padding:0 0 1.1rem;font-size:16px;line-height:1.7}.bn 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var(--bn-line);background:var(--bn-card);border-radius:12px;padding:1rem 1.1rem}.bn .bn-toc .h{letter-spacing:.06em;text-transform:uppercase;color:var(--bn-muted);margin-bottom:.6rem;font-size:12px;font-weight:600}.bn .bn-toc ol{margin:0;padding:0;list-style:none}.bn .bn-toc li{border-left:2px solid var(--bn-line)}.bn .bn-toc li a{color:var(--bn-text2);padding:.38rem .75rem;font-size:13.5px;line-height:1.4;text-decoration:none;display:block}.bn .bn-toc li a:hover{color:var(--bn-text);border-color:var(--bn-yellow)}.bn .bn-toc li:hover{border-color:var(--bn-yellow)}.bn .bn-tags{flex-wrap:wrap;gap:.4rem;display:flex}.bn .bn-tag{background:var(--bn-bg2);border:1px solid var(--bn-line);color:var(--bn-muted);border-radius:4px;padding:.25rem .55rem;font-size:12px}.bn .bn-notice{color:var(--bn-muted);background:var(--bn-bg2);border:1px solid var(--bn-line);border-radius:8px;margin-top:1rem;padding:.6rem .8rem;font-size:13px}.bn 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