:root {
  color-scheme: light;
  --page:#f6f7f4; --surface:#fdfdfc; --surface-2:#f0f2ec;
  --ink:#101613; --ink-2:#4f5751; --muted:#848b85;
  --hairline:#e2e5df; --grid:#e6e9e2; --baseline:#c6cbc4;
  --accent:#2a78d6; --accent-ink:#1c5cab; --accent-wash:rgba(42,120,214,.10);
  --ball:#d9e44d; --ball-ink:#2a3005;
  --up:#006300; --risk:#a05219;
  --shadow:0 1px 2px rgba(16,22,19,.05),0 4px 16px rgba(16,22,19,.05);
  --seq-1:#2a78d6; --seq-2:#5598e7; --seq-3:#86b6ef; --seq-4:#b7d3f6;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page:#0e1210; --surface:#171c19; --surface-2:#1e2420;
    --ink:#f2f4f1; --ink-2:#b7bfb8; --muted:#8a938c;
    --hairline:#262c28; --grid:#232925; --baseline:#3a423c;
    --accent:#3987e5; --accent-ink:#86b6ef; --accent-wash:rgba(57,135,229,.16);
    --up:#35b135; --risk:#e0a06a; --shadow:none;
    --seq-1:#3987e5; --seq-2:#6da7ec; --seq-3:#9ec5f4; --seq-4:#cde2fb;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page:#0e1210; --surface:#171c19; --surface-2:#1e2420;
  --ink:#f2f4f1; --ink-2:#b7bfb8; --muted:#8a938c;
  --hairline:#262c28; --grid:#232925; --baseline:#3a423c;
  --accent:#3987e5; --accent-ink:#86b6ef; --accent-wash:rgba(57,135,229,.16);
  --up:#35b135; --risk:#e0a06a; --shadow:none;
  --seq-1:#3987e5; --seq-2:#6da7ec; --seq-3:#9ec5f4; --seq-4:#cde2fb;
}
*{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--ink);
  font-family:-apple-system,"SF Pro Text","Segoe UI","PingFang SC",system-ui,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px 72px}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.topbar{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--hairline);flex-wrap:wrap}
.wordmark{display:flex;align-items:baseline;gap:9px;color:var(--ink)}
.wordmark:hover{text-decoration:none}
.wordmark .en{font-size:15px;font-weight:800;letter-spacing:.14em}
.wordmark .dot{width:9px;height:9px;border-radius:50%;background:var(--ball);align-self:center;border:1px solid rgba(16,22,19,.15)}
.nav{display:flex;gap:2px;flex-wrap:wrap}
.nav a{font-size:13.5px;color:var(--ink-2);padding:5px 11px;border-radius:7px}
.nav a:hover{background:var(--surface-2);text-decoration:none}
.nav a.on{background:var(--accent-wash);color:var(--accent-ink);font-weight:600}
.top-cta{margin-left:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.lang{font-size:12.5px;color:var(--muted);padding:4px 8px;border:1px solid var(--hairline);border-radius:6px}
.lang:hover{text-decoration:none;color:var(--ink-2)}
.account{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.avatar{width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.btn{display:inline-block;font-size:14px;font-weight:600;border-radius:8px;padding:9px 20px;cursor:pointer;
  border:1px solid var(--hairline);background:var(--surface);color:var(--ink);text-decoration:none}
.btn:hover{text-decoration:none;border-color:var(--baseline)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.sm{font-size:13px;padding:6px 14px}
@media (prefers-color-scheme: dark){:root:where(:not([data-theme="light"])) .btn.primary{color:#0e1210}}
:root[data-theme="dark"] .btn.primary{color:#0e1210}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:0 0 14px;max-width:20em;text-wrap:balance}
h2{font-size:20px;font-weight:700;margin:0 0 4px;letter-spacing:-.01em}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--accent-ink);text-transform:uppercase;margin:0 0 12px}
.sub{color:var(--ink-2);max-width:40em}
.section-sub{color:var(--ink-2);font-size:14px;margin:0 0 18px;max-width:46em}
section{margin-top:48px}
.hero{padding:56px 0 8px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 44px}
.prose{max-width:46em;font-size:15px}
.prose h2{margin-top:36px}
.prose p{margin:12px 0}
.prose li{margin:6px 0}
.card{background:var(--surface);border:1px solid var(--hairline);border-radius:12px;box-shadow:var(--shadow)}
.tiles{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.tile{background:var(--surface);border:1px solid var(--hairline);border-radius:10px;padding:16px 18px;box-shadow:var(--shadow)}
.tile .k{font-size:12px;color:var(--muted);letter-spacing:.04em}
.tile .v{font-size:28px;font-weight:700;line-height:1.25;margin-top:2px}
.tile .v small{font-size:14px;font-weight:500;color:var(--ink-2)}
.tile .note{font-size:12px;color:var(--ink-2);margin-top:2px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.step{padding:20px 22px}
.step .no{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--accent-wash);color:var(--accent-ink);font-weight:700;font-size:13px;margin-bottom:10px}
.step h3{font-size:15.5px;margin:0 0 6px}
.step p{font-size:13.5px;color:var(--ink-2);margin:0}
.backtest{padding:22px 24px}
.backtest .headline{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 18px}
.backtest .big{font-size:34px;font-weight:700}
.backtest .big small{font-size:15px;font-weight:500;color:var(--ink-2)}
.vsbase{font-size:14px;color:var(--ink-2)}
.vsbase strong{color:var(--up)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font-size:12.5px;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--hairline);border-radius:999px;padding:4px 12px;font-variant-numeric:tabular-nums}
.chip b{color:var(--ink);font-weight:600}
.chip .arr{color:var(--up);font-weight:700}
.page-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding:30px 0 4px}
.page-head h1{font-size:26px;font-weight:700;letter-spacing:-.01em;margin:0}
.page-head .when{color:var(--muted);font-size:13.5px}
.crumb{font-size:13px;color:var(--muted);padding-top:24px}
.crumb a{color:var(--muted)}
.crumb b{color:var(--ink-2);font-weight:600}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 18px}
.filter{font-size:13px;color:var(--ink-2);background:var(--surface);border:1px solid var(--hairline);border-radius:8px;padding:5px 12px;cursor:default}
.filter b{color:var(--ink);font-weight:600}
.filter .car{color:var(--muted);margin-left:5px;font-size:10px}
.table-card{overflow:hidden}
.table-scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%}
.table-scroll table{min-width:960px}
th{text-align:left;font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.06em;padding:12px 14px;border-bottom:1px solid var(--hairline);white-space:nowrap}
td{padding:12px 14px;border-bottom:1px solid var(--hairline);font-size:14px;vertical-align:middle;white-space:nowrap}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--accent-wash)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.player{display:flex;flex-direction:column;line-height:1.35}
.player .name{font-weight:600}
.player .meta{font-size:12px;color:var(--muted)}
.cc{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.06em;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--hairline);border-radius:4px;padding:0 4px;margin-right:6px;vertical-align:1px}
.score{display:inline-block;min-width:40px;text-align:center;background:var(--ball);color:var(--ball-ink);font-weight:700;font-variant-numeric:tabular-nums;border-radius:6px;padding:2px 8px;font-size:14px}
.prob{display:flex;align-items:center;gap:8px;justify-content:flex-end}
.prob .v{font-variant-numeric:tabular-nums;font-weight:600;min-width:38px;text-align:right}
.meter{width:72px;height:6px;border-radius:3px;background:var(--surface-2);overflow:hidden;flex:none}
.meter i{display:block;height:100%;background:var(--accent);border-radius:3px}
.delta-up{color:var(--up);font-weight:600}
.tag{display:inline-block;font-size:11.5px;color:var(--ink-2);border:1px solid var(--hairline);background:var(--surface-2);border-radius:999px;padding:1px 9px;margin-right:4px}
.spark{display:block}
.table-foot{padding:10px 14px;font-size:12px;color:var(--muted);border-top:1px solid var(--hairline)}
.pgrid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.pcard{padding:18px 20px;display:flex;flex-direction:column;gap:8px;color:var(--ink)}
.pcard:hover{text-decoration:none;border-color:var(--baseline)}
.pcard .top{display:flex;align-items:center;justify-content:space-between}
.pcard .nm{font-weight:700;font-size:16px}
.pcard .mt{font-size:12.5px;color:var(--muted)}
.pcard .row{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-2)}
.pcard .row b{font-variant-numeric:tabular-nums;color:var(--ink)}
.report{overflow:hidden;margin-top:14px}
.report-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:20px 24px 0}
.report-head .name{font-size:24px;font-weight:700}
.report-head .meta{color:var(--ink-2);font-size:14px}
.report-head .actions{margin-left:auto;display:flex;gap:8px}
.report-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:0 32px;padding:12px 24px 24px}
@media (max-width:860px){.report-grid{grid-template-columns:1fr}}
.panel h3{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin:22px 0 10px}
.chart-box{position:relative}
.chart-box svg{display:block;width:100%;height:auto}
.tooltip{position:absolute;pointer-events:none;display:none;background:var(--ink);color:var(--page);font-size:12px;line-height:1.5;padding:6px 10px;border-radius:6px;transform:translate(-50%,-110%);white-space:nowrap;font-variant-numeric:tabular-nums;z-index:5}
.legend-line{display:flex;gap:18px;font-size:12px;color:var(--ink-2);margin-top:6px;flex-wrap:wrap}
.legend-line .sw{display:inline-block;width:14px;height:3px;border-radius:2px;background:var(--accent);vertical-align:3px;margin-right:6px}
.legend-line .sw.band{height:8px;background:var(--accent-wash);border:1px solid var(--accent);opacity:.9;vertical-align:0}
.signals{list-style:none;margin:0;padding:0}
.signals li{display:flex;gap:10px;padding:8px 0;font-size:14px;border-bottom:1px solid var(--hairline);align-items:flex-start;white-space:normal}
.signals li:last-child{border-bottom:none}
.sig-dot{flex:none;width:8px;height:8px;border-radius:50%;margin-top:7px;background:var(--up)}
.sig-dot.risk{background:var(--risk)}
.signals b{font-weight:600}
.signals .why{color:var(--ink-2)}
.aud-bars{display:grid;gap:8px}
.aud-row{display:grid;grid-template-columns:6.5em 1fr 3em;align-items:center;gap:10px;font-size:13px}
.aud-row .lbl{color:var(--ink-2)}
.aud-row .val{text-align:right;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.aud-track{height:12px;position:relative}
.aud-track i{position:absolute;inset:0 auto 0 0;border-radius:0 4px 4px 0}
.sku-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:0}
.sku-table td{padding:7px 0;border-bottom:1px solid var(--hairline);white-space:normal}
.sku-table tr:last-child td{border-bottom:none}
.sku-table td.p{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}
.sku-total{font-size:13px;color:var(--ink-2);margin-top:8px}
.sku-total b{color:var(--ink)}
.option-box{margin-top:10px;padding:14px 16px;border:1px solid var(--accent);border-radius:10px;background:var(--accent-wash);font-size:13.5px;color:var(--ink-2);white-space:normal}
.option-box b{color:var(--ink)}
.option-box .ttl{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:6px}
.plans{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-top:20px}
.plan{padding:22px 24px;display:flex;flex-direction:column;gap:10px}
.plan .nm{font-weight:700;font-size:16px}
.plan .pr{font-size:28px;font-weight:800}
.plan .pr small{font-size:13px;font-weight:500;color:var(--ink-2)}
.plan ul{margin:0;padding-left:18px;font-size:13.5px;color:var(--ink-2)}
.plan li{margin:4px 0}
.plan .btn{margin-top:auto;text-align:center}
.plan.feature{border-color:var(--accent)}
.form{max-width:520px;display:grid;gap:14px;margin-top:24px}
.form label{font-size:13px;font-weight:600;display:grid;gap:6px}
.form input,.form select,.form textarea{font:inherit;font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--hairline);border-radius:8px;padding:9px 12px;width:100%}
.form textarea{min-height:100px;resize:vertical}
.ok-box{display:none;margin-top:24px;padding:18px 22px;border:1px solid var(--up);border-radius:10px;color:var(--up);font-weight:600;max-width:520px}
.foot{margin-top:64px;padding-top:20px;border-top:1px solid var(--hairline);font-size:12.5px;color:var(--muted)}
.foot .links{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:10px}
.foot .links a{color:var(--ink-2)}
.foot p{margin:0 0 6px;max-width:60em}
@media print {
  .topbar,.crumb,.actions,.foot .links{display:none!important}
  body{background:#fff}
  .card,.report{box-shadow:none;border-color:#ccc}
}