:root{color-scheme:dark;--bg:#0e1214;--panel:#151c20;--line:#2a353a;--text:#edf3f0;--muted:#a3b3b4;--dim:#7e9396;--mint:#b9f39e;--red:#f3aa96;--font:'Segoe UI','Microsoft YaHei',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:var(--mint);text-decoration:none}[hidden]{display:none!important}header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw}.brand{font-size:30px;font-weight:800;display:flex;gap:13px;align-items:center;color:var(--mint)}.brand>span{font-size:19px;color:var(--text);line-height:1.25}.brand small{display:block;font-size:10px;font-weight:400;color:var(--dim);margin-top:5px;letter-spacing:1px}.header-tags{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px}.dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}.pill{padding:6px 10px;border:1px solid var(--line);border-radius:30px;font-size:11px;color:var(--muted);white-space:nowrap}main{max-width:1540px;margin:0 auto;padding:0 5vw}.hero{display:flex;align-items:center;justify-content:space-between;gap:30px;margin:43px 0 33px}.eyebrow{font-size:10px;color:var(--dim);letter-spacing:1.5px}.hero h1{font-size:38px;font-weight:600;letter-spacing:-1.5px;margin:14px 0}.hero p{color:var(--muted);font-size:14px;line-height:1.8}.hero-note{font-size:13px;line-height:2;color:var(--dim);border-left:1px solid var(--line);padding-left:24px}.hero-note strong{color:var(--mint);font-weight:400}.layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:26px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px}.controls{padding:23px;position:sticky;top:20px}.panel-title{display:flex;justify-content:space-between;font-size:12px;gap:6px;padding-bottom:20px;border-bottom:1px solid var(--line)}.subtle{color:var(--dim);font-size:10px}label{display:block;color:var(--muted);font-size:12px;margin:21px 0 9px}label span{float:right;color:var(--dim)}input,select{width:100%;background:#101719;border:1px solid #344449;border-radius:6px;color:var(--text);padding:12px 13px;font-size:14px;min-width:0}input:focus,select:focus{outline:1px solid var(--mint);border-color:var(--mint)}.field-note{font-size:11px;line-height:1.8;color:var(--dim);margin-top:10px}.fees{margin:18px 0 22px}.fees summary{font-size:11px;color:var(--muted);cursor:pointer}.fees input{padding:9px}.primary,.secondary{border-radius:6px;padding:12px 16px;border:1px solid var(--mint);font-size:12px;font-weight:600;display:inline-flex;justify-content:center;align-items:center;gap:15px}.primary{color:#192216;background:var(--mint)}.primary:hover{background:#cffbbd}.secondary{color:var(--text);background:transparent;border-color:#425359}.controls .primary{width:100%;margin-top:3px;font-size:13px;padding:15px 10px}.privacy-note{border-top:1px solid var(--line);margin-top:23px;padding-top:17px;color:var(--dim);font-size:10px;line-height:1.9}.progress{margin-top:16px;color:var(--mint);font-size:12px;line-height:1.8}.error{color:var(--red);font-size:12px;line-height:1.8}.empty{min-height:485px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;background:radial-gradient(ellipse at 50% 20%,#25352c 0,transparent 65%),var(--panel)}.empty-icon{font-size:54px;color:var(--mint);font-weight:200}.empty h2{font-size:25px;margin:20px 0 10px}.empty p{color:var(--muted);line-height:2}.empty-steps{display:flex;gap:22px;color:var(--dim);font-size:12px;margin:27px 0}.empty small{font-size:10px;color:var(--dim)}.market-strip{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:15px;padding:1px 0 23px}.market-strip>div{border-right:1px solid var(--line);padding-left:10px}.market-strip>div:first-child{padding-left:0}.market-strip>div:last-child{border:0}.market-strip span,.market-strip small{display:block;color:var(--dim);font-size:10px}.market-strip strong{display:block;font-size:26px;margin:8px 0;font-weight:500;font-variant-numeric:tabular-nums}.chart-panel{padding:22px 23px 15px}.chart-title{display:flex;justify-content:space-between;align-items:center}.chart-title h2{font-size:13px;font-weight:500;margin:8px 0 0}.chart-legend{color:var(--mint);font-size:10px}#chart svg{width:100%;height:auto;display:block}.small-note{font-size:10px;color:var(--dim);line-height:1.9;margin:12px 0 0}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:27px 0 16px}.section-heading h2{font-size:18px;margin:7px 0;font-weight:500}.section-heading p{font-size:11px;color:var(--dim);margin:7px 0}.text-button{border:0;background:none;color:var(--mint);font-size:11px;padding:0;white-space:nowrap}.offers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.offer{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:18px;text-align:left;color:var(--text);transition:border-color .15s}.offer:hover{border-color:#789277}.offer.selected{border-color:var(--mint);background:#1b2921}.offer-top{display:flex;justify-content:space-between;gap:5px;align-items:center;color:var(--muted);font-size:11px}.offer-top em{font-style:normal;color:var(--mint);font-size:9px}.offer>strong{display:block;font-size:24px;margin:16px 0 8px;font-weight:500}.offer .discount{font-size:10px;color:var(--dim)}.offer-bottom{border-top:1px solid var(--line);margin-top:18px;padding-top:12px;display:flex;justify-content:space-between;gap:10px;font-size:12px}.offer-bottom small{display:block;color:var(--dim);font-size:9px;margin-top:4px}.decision{padding:24px;margin-top:20px}.decision-heading{display:flex;align-items:center;justify-content:space-between}.decision-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:20px;margin-top:20px}.label{font-size:11px;color:var(--muted)}#selectedPrice{display:block;font-size:34px;color:var(--mint);margin:9px 0;font-weight:500}.decision-grid p{font-size:11px;color:var(--muted);line-height:1.8}.decision-metrics{display:grid;gap:13px;border-left:1px solid var(--line);padding-left:24px}.decision-metrics>div{display:flex;justify-content:space-between;gap:12px;align-items:center}.decision-metrics span{font-size:10px;color:var(--dim)}.decision-metrics strong{font-size:12px;font-weight:500;text-align:right}.scope-note{font-size:11px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line);padding-top:12px;margin-top:16px}.decision-actions{display:flex;align-items:center;gap:12px;margin-top:20px;flex-wrap:wrap}.decision-actions small{color:var(--dim);font-size:10px}.warnings{display:grid;gap:8px;margin:15px 0}.warning{padding:14px 17px;border:1px solid #6f5442;border-radius:7px;background:#33281e;color:#e6c5a1;font-size:12px;line-height:1.8}.backtest,.all-prices,.methods{padding:23px;margin-top:20px}.backtest .section-heading{margin-top:0}.validation-verdict{padding:14px 16px;background:#1b2922;color:var(--mint);border-radius:6px;font-size:12px;line-height:1.8}.validation-verdict.caution{background:#34291f;color:#ebbc95}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:11px;white-space:nowrap}th{text-align:left;font-weight:400;color:var(--dim);padding:15px 12px;border-bottom:1px solid var(--line);font-size:10px}td{padding:15px 12px;border-bottom:1px solid #263237}td:first-child,th:first-child{padding-left:0}td:last-child,th:last-child{padding-right:0}td small{display:block;font-size:9px;color:var(--dim);margin-top:4px}.positive{color:var(--mint)}.negative{color:var(--red)}tr.selected{color:var(--mint);background:#b9f39e07}.row-select{background:none;border:1px solid #41544a;border-radius:5px;padding:5px 9px;color:var(--mint);font-size:10px}.all-prices h2{font-size:16px;margin:0 0 9px}.backtest details,.methods details{margin-top:17px;color:var(--muted);font-size:12px;line-height:1.9}.methods details{margin-top:0}summary{cursor:pointer}.methods li{font-size:11px;margin-bottom:8px}.neighbor{font-size:11px;padding:8px 0;border-bottom:1px solid var(--line)}footer{display:flex;justify-content:space-between;gap:20px;margin:36px 0 24px;font-size:10px;color:var(--dim);line-height:1.8}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--mint);color:#172315;padding:13px 20px;border-radius:8px;font-size:12px;z-index:10;max-width:90vw}
@media(min-width:1500px){main{padding:0 50px}.layout{grid-template-columns:300px minmax(0,1fr);gap:30px}.hero h1{font-size:44px}}
@media(max-width:1100px){main{padding:0 24px}header{padding:0 24px}.layout{grid-template-columns:240px minmax(0,1fr);gap:20px}.controls{padding:18px}.offer{padding:14px}.offer>strong{font-size:20px}.decision-grid{grid-template-columns:1fr}.decision-metrics{border-left:0;padding:15px 0 0;border-top:1px solid var(--line)}.offer-bottom{flex-direction:column;gap:8px}.hero h1{font-size:32px}.hero-note{display:none}}
@media(max-width:800px){.layout{grid-template-columns:1fr}.controls{position:static}.controls form{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;align-items:end}.controls label{grid-column:1;margin:12px 0 0}.controls input,.controls select{grid-column:2}.controls .field-note,.controls .fees,.controls .primary{grid-column:1/-1}.controls .fees{margin:4px 0}.controls .fees input{width:100%}.privacy-note{margin-top:16px}.hero{margin:28px 0 25px}.hero h1{font-size:32px}.offers{gap:10px}.offer-bottom{flex-direction:row}.header-tags{font-size:10px}.market-strip{margin-top:12px}.market-strip strong{font-size:24px}}
@media(max-width:500px){main{padding:0 16px}header{height:74px;padding:0 16px}.header-tags .pill{display:none}.hero h1{font-size:28px}.hero p{font-size:12px}.eyebrow{font-size:8px}.offers{grid-template-columns:1fr}.offer{display:grid;grid-template-columns:1fr 1fr;gap:8px 15px}.offer>strong{margin:0;text-align:right}.offer-bottom{margin:0;padding:0;border:0}.chart-panel,.decision,.backtest,.all-prices,.methods{padding:17px}.market-strip strong{font-size:21px}.market-strip small{font-size:9px}.section-heading{align-items:flex-start}.section-heading h2{font-size:16px}.decision-actions{gap:9px}.primary,.secondary{font-size:11px}.empty{min-height:340px}.empty-steps{gap:12px;font-size:10px}footer{flex-direction:column;gap:3px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}