:root{font-family:Inter,"Microsoft YaHei",sans-serif;color-scheme:light;--bg:#fff;--panel:#fff;--text:#17181a;--muted:#7d838e;--line:#e8eaee;--soft:#f7f8fa;--brand:#f7a600}
[data-theme=dark]{color-scheme:dark;--bg:#101113;--panel:#17181b;--text:#f6f6f7;--muted:#a0a5af;--line:#2b2d32;--soft:#202226}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font-family:inherit}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible{outline:2px solid #f7a600;outline-offset:4px}input,select{border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--text);font-size:12px;padding:9px 11px;min-width:0}input{width:170px}small{font-size:11px;color:var(--muted);font-weight:400}
header{height:76px;padding:0 max(32px,calc((100vw - 1536px)/2));border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}header b{font-size:23px}header small{margin-left:16px}#theme,.dialog-head button{width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:var(--soft);font-size:21px;flex-shrink:0}
main{max-width:1600px;margin:auto;padding:40px 32px}h1{font-size:30px;margin:0 0 12px;letter-spacing:-.5px}main>p{font-size:13px;color:var(--muted);margin:0 0 28px}footer{font-size:12px;line-height:1.9;color:var(--muted);margin-top:28px}
section{border:1px solid var(--line);border-top:3px solid var(--brand);border-radius:12px;overflow:hidden;background:var(--panel)}
/* Two readable boards per row; no horizontal comparison strip. */
#exchanges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}#exchanges>section{min-width:0}
.binance{--brand:#f0b90b}.okx{--brand:#17181a}.bitget{--brand:#00c7d3}.coinbase{--brand:#0052ff}[data-theme=dark] .okx{--brand:#f5f5f5}
.exchange{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px;min-height:92px}.exchange>div{display:flex;align-items:center;min-width:0;flex-shrink:0}.exchange b{font-size:24px}.exchange a,.best-main>a{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;background:#f7a600;color:#151515;font-size:12px;line-height:18px;text-decoration:none;padding:10px 14px;border-radius:6px;white-space:nowrap}.exchange a:hover,.best-main>a:hover{background:#e89b00}
/* The supplied square image contains white margins: preserve the complete wordmark. */
.logo-box{position:relative;flex:0 0 120px;width:120px;height:44px;overflow:hidden;background:#fff;border-radius:4px}.exchange .logo-box img{position:absolute;width:220px;height:220px;max-width:none;left:50%;top:50%;transform:translate(-50%,-50%);object-fit:contain}
.binance-brand,.okx-brand,.bitget-brand{display:flex;align-items:center;gap:9px;white-space:nowrap;line-height:1;font-weight:750}.binance-brand{color:#c99400;letter-spacing:.5px}.exchange .binance-mark{width:28px;height:28px}.exchange .okx-brand img{width:32px;height:32px}.exchange .bitget-brand img{width:30px;height:30px}.coinbase-brand{font-size:27px!important;color:#0052ff;letter-spacing:-1px}.exchange img{object-fit:contain;flex-shrink:0}
#exchanges nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 24px 16px;font-size:12px;color:var(--muted)}#exchanges nav input{width:190px;max-width:70%}
.calc-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:0 24px 22px;color:var(--muted);font-size:12px}.calc-toolbar label{display:flex;align-items:center;gap:7px}.calc-toolbar input{width:132px}.calc-toolbar select{font-size:12px}
.row{display:grid;grid-template-columns:.85fr 1.2fr 1.2fr 1.05fr;gap:16px;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line);min-width:0}.row:not(.headings){min-height:116px}.headings{min-height:54px;padding-top:15px;padding-bottom:15px;background:var(--soft);font-size:12px;line-height:18px;color:var(--muted)}.headings small{font-size:10px;display:block}
.coin-name{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:650;line-height:22px;min-width:0;flex-wrap:wrap}.coin-name>small{flex-basis:100%;padding-left:36px;font-size:10px}.token-icon{position:relative;display:inline-grid;place-items:center;flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--soft);font-size:10px;color:var(--muted);overflow:hidden}.token-icon img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.rate-cell{display:flex;flex-direction:column;align-items:flex-start;gap:8px;min-width:0}.rate-button{display:flex;align-items:baseline;flex-wrap:wrap;gap:5px;width:100%;height:auto;border:0;border-radius:0;background:none;padding:0;font-family:inherit;text-align:left;line-height:1.35}.rate-button b{font-size:24px;font-weight:650;font-variant-numeric:tabular-nums;letter-spacing:-.5px}.rate-button small{font-size:10px;line-height:16px;margin:0}.rate-button .max-label{font-size:10px}.rate-range{flex-basis:100%;font-size:11px;line-height:18px;color:var(--muted);font-weight:400;overflow-wrap:anywhere}.rate-button em{font-style:normal;font-size:10px;line-height:16px;padding:2px 6px;border-radius:4px;background:var(--soft);color:var(--muted)}.empty-rate{font-size:12px;line-height:18px;color:var(--muted)}
.income-cell{display:flex;flex-direction:column;gap:5px;min-width:0}.income-cell b{font-size:22px;font-weight:650;line-height:28px;letter-spacing:-.3px;font-variant-numeric:tabular-nums}.income-cell small{font-size:10px;line-height:16px;color:var(--muted)}
.updated{padding:18px 24px 10px;font-size:11px;color:var(--muted);line-height:18px}.board-sources{margin:0;padding:0 24px 18px;font-size:11px;color:var(--muted)}details summary{cursor:pointer;line-height:20px}pre{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}.notice{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding:14px 24px;line-height:1.7;overflow-wrap:anywhere}.empty{padding:32px 24px;color:var(--muted);font-size:13px}
.best-banner{margin:0 0 28px;padding:22px 26px;background:var(--soft)}.best-controls{display:flex;align-items:center;gap:24px;flex-wrap:wrap;font-size:12px}.best-controls>b{font-size:15px}.best-controls label{display:flex;align-items:center;gap:7px;color:var(--muted)}#best-principal{width:110px}#best-special{width:16px;height:16px;accent-color:#f7a600}.best-main{display:flex;align-items:center;gap:28px;justify-content:space-between;padding:20px 0 8px}.best-eyebrow{font-size:11px;color:var(--muted)}.best-main h2{font-size:25px;margin:8px 0}.best-main p{font-size:12px;line-height:20px;margin:0;color:var(--muted)}.best-number{display:flex;align-items:baseline;gap:8px;flex-shrink:0}.best-number strong{font-size:38px;font-variant-numeric:tabular-nums;letter-spacing:-1px}.best-number span{font-size:12px;color:var(--muted)}.best-fine{font-size:11px;line-height:1.8;color:var(--muted);margin:8px 0 0}
dialog{max-width:580px;width:calc(100% - 32px);max-height:85vh;border:1px solid var(--line);border-radius:12px;padding:24px;background:var(--panel);color:var(--text)}dialog::backdrop{background:#0008}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.offer-detail{padding:18px 0;border-bottom:1px solid var(--line)}.offer-detail>b{font-size:22px}.offer-detail p{font-size:13px;line-height:1.8;color:var(--muted)}dialog details{margin-top:16px}.tier-table{width:100%;border-collapse:collapse;font-size:13px;margin:14px 0}.tier-table th,.tier-table td{text-align:left;padding:10px 6px;border-bottom:1px solid var(--line)}.tier-table th{color:var(--muted);font-weight:400}
@media(max-width:1279px){main{max-width:960px;padding:32px 24px}#exchanges{grid-template-columns:minmax(0,1fr);gap:24px}}
@media(max-width:650px){header{height:66px;padding:0 18px}header small{display:none}main{padding:26px 14px}h1{font-size:25px}.best-banner{padding:18px}.best-controls{gap:14px}.best-main{flex-wrap:wrap;gap:18px}.best-number strong{font-size:30px}.best-main h2{font-size:22px}.exchange{padding:18px;min-height:80px;gap:10px}.exchange b{font-size:22px}.coinbase-brand{font-size:25px!important}.exchange a{padding:9px 12px;font-size:11px}#exchanges nav{padding:0 18px 16px}#exchanges nav input{width:170px}.calc-toolbar{padding:0 18px 18px;gap:10px}.calc-toolbar input{width:112px}.row{padding:20px 16px;gap:10px;grid-template-columns:.8fr 1.15fr 1.15fr 1fr}.headings{font-size:10px;line-height:16px}.coin-name{font-size:12px;gap:6px}.token-icon{width:24px;height:24px}.rate-button b{font-size:20px}.income-cell b{font-size:18px}.rate-range{font-size:10px;line-height:16px}.updated{padding:16px 18px 10px}.board-sources{padding:0 18px 16px}.notice{padding:12px 18px}}
@media(max-width:420px){main{padding-left:10px;padding-right:10px}.row{padding:18px 12px;gap:8px;grid-template-columns:.8fr 1.15fr 1.15fr 1.05fr}.coin-name{font-size:11px;gap:5px;flex-direction:column;align-items:flex-start}.coin-name>small{padding-left:0}.token-icon{width:24px;height:24px}.rate-button b{font-size:18px}.rate-button small{font-size:9px}.rate-button .max-label{flex-basis:100%;font-size:9px}.rate-button em{font-size:9px;padding:2px 4px}.income-cell b{font-size:16px}.income-cell small{font-size:9px;line-height:15px}.headings{font-size:9px;gap:6px}.headings small{font-size:9px}.rate-range{font-size:9px}.best-main>a{font-size:11px}}
/* Compact overview: three boards on wide screens, two on smaller desktops. */
@media(min-width:980px){main{max-width:1600px;padding:30px 24px}#exchanges{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.exchange{min-height:80px;padding:16px 18px}.exchange b{font-size:22px}.exchange .binance-mark{width:24px;height:24px}.exchange a{font-size:11px;padding:9px 11px}#exchanges nav{padding:0 18px 12px}#exchanges nav input{width:160px}.calc-toolbar{padding:0 18px 16px;gap:10px}.calc-toolbar input{width:112px}.row{padding:16px 18px;gap:10px;grid-template-columns:.85fr 1.15fr 1.15fr 1.05fr}.row:not(.headings){min-height:98px}.headings{min-height:48px;font-size:11px}.coin-name{font-size:13px;gap:6px}.token-icon{width:25px;height:25px}.rate-button b{font-size:21px}.rate-button small{font-size:9px}.rate-range{font-size:10px;line-height:16px}.rate-button em{font-size:9px}.income-cell b{font-size:19px}.income-cell small{font-size:10px;line-height:15px}.updated{padding:14px 18px 8px}.board-sources{padding:0 18px 14px}.notice{padding:12px 18px}}
@media(min-width:1400px){#exchanges{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.row{padding-left:14px;padding-right:14px;gap:8px}.headings{font-size:10px}.rate-button .max-label{flex-basis:100%}.exchange{gap:10px}.exchange b{font-size:20px}.coinbase-brand{font-size:25px!important}}
.best-banner{padding:18px 22px;margin-bottom:22px}.best-main{padding-top:14px;padding-bottom:4px}.best-number strong{font-size:34px}.best-main h2{font-size:23px;margin:6px 0}.best-fine{margin-top:6px}
.kraken{--brand:#7135ef}.kraken-brand{color:#7135ef;font-size:28px!important;letter-spacing:-1px;font-weight:800}[data-theme=dark] .kraken-brand{color:#ab82ff}
.kraken-brand{display:flex;align-items:center;gap:7px}.exchange .kraken-brand img{width:30px;height:30px;border-radius:5px}