:root{color-scheme:dark;--bg:#101419;--panel:#191f27;--line:#2b3440;--text:#e5ebf2;--muted:#91a0b3;--accent:#b7ef77;--cyan:#68cdd4;--red:#f08b8b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.65 Inter,"Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}header{max-width:1440px;margin:auto;padding:23px 36px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:17px;font-weight:800;letter-spacing:2px}.brand span{color:var(--accent)}nav{display:flex;gap:28px;color:var(--muted)}nav .active{color:var(--accent)}main{max-width:1368px;margin:auto;padding:38px 32px 20px}.heading{display:flex;justify-content:space-between;gap:25px;align-items:center;margin-bottom:30px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted)}h1{font-size:32px;letter-spacing:-1px;line-height:1.25;margin:12px 0}h2{font-size:17px;margin:0 0 4px}p{color:var(--muted);margin:5px 0}.live{text-align:right;flex-shrink:0;font-size:12px}.live small{display:block;color:var(--muted);margin-top:4px}.live i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--muted);margin-right:8px}.live i.on{background:var(--accent);box-shadow:0 0 14px #b7ef7740}.hero{background:linear-gradient(115deg,#232c29,#1b242a);border:1px solid #39443a;border-radius:14px;padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-bottom:22px}.premium{font-size:64px;letter-spacing:-3px;color:var(--accent);line-height:1.35;font-weight:600;font-variant-numeric:tabular-nums}.premium span{font-size:28px;margin-left:9px;letter-spacing:0}.formula{font-size:12px;color:var(--muted)}.hero-details{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-content:center}.hero-details span{display:block;font-size:12px;color:var(--muted)}.hero-details strong{display:block;font-weight:500;font-size:19px;margin-top:5px;font-variant-numeric:tabular-nums}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;min-width:0}.card-top{display:flex;justify-content:space-between;gap:8px;font-size:13px}.card-top a{color:var(--muted)}.symbol{font-size:11px;color:var(--muted);margin:6px 0 14px}.price{font-size:26px;font-variant-numeric:tabular-nums;line-height:1.4}.price small{font-size:11px;color:var(--muted);margin-left:4px}.detail{display:flex;justify-content:space-between;gap:8px;font-size:12px;margin-top:9px;color:var(--muted)}.detail b{color:var(--text);font-weight:500;text-align:right}.card .separator{border-top:1px solid var(--line);margin:15px 0 8px}.freshness{font-size:10px;margin-top:13px;color:var(--muted)}.stale{color:var(--red)!important}.positive{color:var(--accent)!important}.negative{color:var(--red)!important}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;margin:20px 0}.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.section-head p{font-size:12px}.controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center}select,button,input{font:inherit;background:#11171e;color:var(--text);border:1px solid #354151;border-radius:6px;padding:8px 11px;min-width:0}button{cursor:pointer;white-space:nowrap}button:hover{border-color:var(--accent);color:var(--accent)}button.primary{background:var(--accent);color:#1b2813;border-color:var(--accent);font-weight:600}button:disabled{opacity:.5;cursor:wait}input:focus,select:focus,button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.chart{height:275px;position:relative;overflow:hidden}.chart canvas{width:100%;height:100%;display:block}.chart .tooltip{position:absolute;top:6px;left:65px;max-width:calc(100% - 70px);background:#111820ee;border:1px solid var(--line);border-radius:5px;padding:5px 9px;font-size:11px;pointer-events:none;z-index:1}.chart-legend{font-size:11px;position:absolute;right:10px;top:8px;display:flex;gap:14px}.empty{display:grid;place-items:center;height:100%;color:var(--muted)}.caption{font-size:11px;margin-top:10px}.table-wrap{overflow:auto;max-height:420px}table{width:100%;border-collapse:collapse;text-align:left;font-variant-numeric:tabular-nums;font-size:12px;white-space:nowrap}th{color:var(--muted);font-weight:400;background:var(--panel);position:sticky;top:0}td,th{padding:12px 10px;border-bottom:1px solid var(--line)}td:last-child,th:last-child{text-align:right}.tag{border:1px solid #43573a;color:var(--accent);border-radius:5px;padding:3px 8px;font-size:11px;white-space:nowrap}.notes{margin:28px 0;font-size:12px}.notes h2{font-size:14px}.notes p{margin:9px 0}.notes a{color:var(--cyan)}footer{max-width:1368px;padding:20px 32px;margin:auto;color:#6d7b8e;font-size:11px;letter-spacing:1px;border-top:1px solid var(--line)}footer span{float:right}.notice{background:#332b20;border:1px solid #6b5432;color:#f0c989;padding:13px 16px;border-radius:8px;margin:18px 0;font-size:13px;overflow-wrap:anywhere}.notice[hidden]{display:none}.sim-layout{display:grid;grid-template-columns:330px minmax(0,1fr);gap:22px;align-items:start}.sim-layout .panel{margin-top:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid label{display:flex;flex-direction:column;gap:5px;font-size:11px;color:var(--muted)}.form-grid .wide{grid-column:1/-1}.form-grid input{width:100%}.sim-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.sim-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}.stat{padding:16px;border:1px solid var(--line);border-radius:9px;background:var(--panel)}.stat span{font-size:11px;color:var(--muted);display:block}.stat strong{font-size:23px;font-weight:500;font-variant-numeric:tabular-nums}.stat small{font-size:10px;color:var(--muted)}.rule-list{padding-left:18px;color:var(--muted);font-size:12px}.rule-list li{margin:9px 0}.status-line{padding:12px 16px;margin-bottom:18px;background:#1b2729;border:1px solid #32494b;border-radius:8px;color:var(--cyan);font-size:13px}.cost{border-top:1px solid var(--line);margin-top:18px;padding-top:16px;font-size:12px}.cost strong{color:#f0c989}.form-note{font-size:11px;margin-top:14px}.research{max-width:900px}.research h2{margin-top:28px}.research li{margin:10px 0;color:var(--muted)}.research a{color:var(--cyan)}
@media(max-width:1100px){.cards{grid-template-columns:repeat(2,1fr)}.section-head{align-items:flex-start;flex-direction:column}.sim-layout{grid-template-columns:290px minmax(0,1fr)}.sim-stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){header{padding:16px;align-items:flex-start;flex-direction:column;gap:10px}nav{gap:19px;font-size:12px;flex-wrap:wrap}main{padding:26px 16px 15px}.heading{align-items:flex-start;gap:10px}h1{font-size:25px}.heading p{font-size:12px}.eyebrow{font-size:9px;letter-spacing:1px}.live{font-size:10px}.hero{grid-template-columns:1fr;padding:22px;gap:18px}.premium{font-size:53px}.hero-details{gap:15px}.hero-details strong{font-size:16px}.cards{gap:10px}.card{padding:13px}.price{font-size:22px}.card-top{font-size:11px}.detail{font-size:10px}.symbol{font-size:9px;overflow-wrap:anywhere}.panel{padding:16px}.chart{height:235px}.controls{width:100%;font-size:11px}.controls select{max-width:145px}.sim-layout{grid-template-columns:1fr}.sim-stats{grid-template-columns:repeat(2,1fr)}.stat strong{font-size:21px}.chart-legend{gap:8px;font-size:9px}.notes{font-size:11px}footer{padding:16px;font-size:9px}footer span{float:none;display:block;margin-top:5px}}
.sim-layout > * {min-width:0}.heading > div {min-width:0}

.pair-cards{grid-template-columns:1fr 1fr}.ratio-controls{margin-top:20px}.converter{display:flex;justify-content:space-between;gap:20px;align-items:center}.converter p{font-size:12px}.converter input{width:120px}.converter strong{color:var(--accent)}@media(max-width:700px){.pair-cards{grid-template-columns:1fr}.converter{display:block}.converter .controls{margin-top:18px}.hero-details strong{font-size:15px}.ratio-controls .tag{font-size:10px}}

.coverage{font-size:12px;color:#b9cfa6;background:#202c22;border:1px solid #344634;border-radius:6px;padding:10px 12px;margin:0 0 12px}