.ptq{--pt-accent:#0a4d8c;--pt-accent-2:#1a7fb5;--pt-curve:#0a4d8c;--pt-text:#1a2230;--pt-text-2:#5a6573;--pt-border:#e2e6ea;--pt-bg:#ffffff;--pt-surface:#f6f8fa;--pt-radius:10px;}.ptq,.ptq *{box-sizing:border-box}.ptq{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,Helvetica,sans-serif;color:var(--pt-text);line-height:1.55;margin:0 auto;padding:8px;}.ptq h1{font-size:22px;font-weight:600;margin:0 0 4px}.ptq h2{font-size:14px;font-weight:600;margin:0 0 12px;color:var(--pt-accent)}.ptq .sub{color:var(--pt-text-2);font-size:14px;margin:0 0 20px}.ptq .card{background:var(--pt-bg);border:1px solid var(--pt-border);border-radius:var(--pt-radius);padding:18px 20px;margin-bottom:14px}.ptq .grid-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}.ptq label{display:flex;flex-direction:column;justify-content:center;height:2rem;padding-inline:0.3rem;font-size:13px;color:var(--pt-text-2);margin-bottom:6px}.ptq .hint{font-size:11.5px;color:var(--pt-text-2);margin-top:4px;line-height:1.35}.ptq input[type=number]{width:100%;height:40px;padding:0 10px;font-size:15px;color:var(--pt-text);border:1px solid var(--pt-border);border-radius:8px;background:var(--pt-bg);outline:none;}.ptq input[type=number]:focus{border-color:var(--pt-accent);box-shadow:0 0 0 3px rgba(10,77,140,.12)}.ptq .grid-out{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.ptq .metric{background:var(--pt-surface);border-radius:8px;padding:12px 14px}.ptq .metric.lead{background:var(--pt-accent);color:#fff}.ptq .metric.gang{background:#eef4fb;border:1px solid #cfe0f2}.ptq .metric .k{font-size:12.5px;color:var(--pt-text-2)}.ptq .metric.lead .k{color:rgba(255,255,255,.85)}.ptq .metric .v{font-size:20px;font-weight:600;margin-top:3px;font-variant-numeric:tabular-nums}.ptq .metric .v small{font-size:12px;font-weight:400;color:var(--pt-text-2)}.ptq .metric.lead .v small{color:rgba(255,255,255,.85)}.ptq .plot-wrap{position:relative;height:300px;margin-top:6px}.ptq canvas{width:100%;height:100%}.ptq .legend{font-size:13px;color:var(--pt-text-2);margin:4px 0 0}.ptq .warn{background:#fdf3e3;border:1px solid #f0d8a8;color:#8a5a00;border-radius:8px;padding:10px 12px;font-size:13px;margin-top:14px}.ptq .row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:14px}.ptq button{font:inherit;font-size:14px;cursor:pointer;padding:9px 16px;border-radius:8px;border:1px solid var(--pt-accent);background:transparent;color:var(--pt-accent);transition:background .15s;}.ptq button:hover{background:var(--pt-surface)}.ptq details{margin-top:4px;font-size:14px}.ptq summary{cursor:pointer;color:var(--pt-accent);font-weight:500}.ptq .formula{background:var(--pt-surface);border-radius:8px;padding:12px 14px;margin-top:10px;font-size:14px}.ptq .formula code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.ptq .note{font-size:12.5px;color:var(--pt-text-2);margin-top:14px}.ptq footer{margin-top:8px;padding-top:16px;border-top:1px solid var(--pt-border);font-size:13px;color:var(--pt-text-2);display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between}.ptq footer a{color:var(--pt-accent);text-decoration:none;font-weight:500}.ptq footer a:hover{text-decoration:underline}