:root{
  --bg:#0a0e14; --bg2:#0e141f; --card:#121a28; --card2:#16202f; --line:#22314a;
  --text:#e8eef7; --muted:#94a6bd; --faint:#64778f;
  --accent:#2dd4bf; --accent2:#38bdf8; --gold:#f5b544; --red:#f87171; --green:#34d399;
  --radius:14px; --max:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.6}
a{color:var(--accent2);text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:50;background:rgba(10,14,20,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;padding:12px 0;flex-wrap:wrap}
.logo{font-weight:800;font-size:19px;letter-spacing:.5px;color:var(--text)}
.logo span{color:var(--accent)}
.nav nav{display:flex;gap:16px;flex-wrap:wrap;margin-left:8px}
.nav nav a{color:var(--muted);font-size:14px}
.nav nav a:hover{color:var(--text)}
.nav .spacer{flex:1}
.toggle{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.toggle button{background:transparent;border:0;color:var(--muted);padding:6px 13px;cursor:pointer;font-size:13px}
.toggle button.on{background:var(--accent);color:#06251f;font-weight:700}
.hero{padding:64px 0 40px;background:radial-gradient(900px 420px at 15% -10%,rgba(45,212,191,.16),transparent 60%),radial-gradient(800px 400px at 90% 0%,rgba(56,189,248,.12),transparent 60%),var(--bg)}
.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.18;margin:0 0 14px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.sub{font-size:clamp(15px,2.2vw,19px);color:var(--muted);max-width:820px;margin:0 0 26px}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px}
.chip b{color:var(--gold)}
.btn{display:inline-block;background:var(--accent);color:#052e28;border:0;font-weight:700;padding:12px 24px;border-radius:10px;cursor:pointer;font-size:15px}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.btn:hover{filter:brightness(1.08)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
section{padding:52px 0}
h2.sec{font-size:clamp(23px,3.4vw,32px);margin:0 0 8px}
p.secsub{color:var(--muted);margin:0 0 26px;max-width:860px}
.calc-grid{display:grid;grid-template-columns:360px 1fr;gap:22px;align-items:start}
@media(max-width:900px){.calc-grid{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.panel h3{margin:0 0 14px;font-size:17px}
.presets{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.presets button{flex:1;min-width:100px;background:var(--card2);color:var(--text);border:1px solid var(--line);border-radius:9px;padding:9px 6px;cursor:pointer;font-size:13.5px}
.presets button.on{border-color:var(--accent);color:var(--accent)}
.field{margin-bottom:12px}
.field label{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted);margin-bottom:5px}
.field input{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:9px;color:var(--text);padding:9px 11px;font-size:15px}
.field input:focus{outline:none;border-color:var(--accent)}
.note{font-size:12.5px;color:var(--gold);background:rgba(245,181,68,.08);border:1px solid rgba(245,181,68,.35);padding:8px 10px;border-radius:8px;margin:10px 0}
details.adv{margin-top:8px;border-top:1px dashed var(--line);padding-top:10px}
details.adv summary{cursor:pointer;color:var(--accent2);font-size:14px}
.factors{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.factors .field{margin-bottom:4px}
.factors label{font-size:12px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:700px){.metrics{grid-template-columns:repeat(2,1fr)}}
.metric{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.metric .k{font-size:13px;color:var(--muted)}
.metric .v{font-size:clamp(20px,2.6vw,27px);font-weight:800;margin-top:3px}
.metric .v.good{color:var(--green)} .metric .v.warn{color:var(--gold)}
.metric .d{font-size:12px;color:var(--faint)}
.tablebox{margin-top:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:13px;min-width:880px}
th,td{padding:7px 9px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:600;background:var(--bg2)}
td:first-child,th:first-child{text-align:left}
tr td.pos{color:var(--green)} tr td.neg{color:var(--red)}
.chart{margin-top:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.bars{display:flex;align-items:flex-end;gap:8px;height:190px;border-bottom:1px solid var(--line);padding-top:8px}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.bar .col{width:70%;border-radius:6px 6px 0 0;background:var(--accent);min-height:2px}
.bar.neg .col{background:var(--red)}
.bar .val{font-size:11px;color:var(--muted);margin-bottom:4px;text-align:center}
.bar .yr{font-size:11.5px;color:var(--faint);margin-top:6px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h3{margin:0 0 8px;font-size:17px}
.card p{color:var(--muted);font-size:14px;margin:0 0 14px}
.card .num{font-size:26px;font-weight:800;color:var(--accent);opacity:.85}
.card .tag{display:inline-block;font-size:12px;color:var(--gold);border:1px solid rgba(245,181,68,.4);border-radius:999px;padding:2px 9px;margin-bottom:10px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:800px){.about-grid{grid-template-columns:1fr}}
.layer{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.layer:last-child{border-bottom:0}
.layer b.lvl{color:var(--accent);min-width:34px;font-size:18px}
form.lead{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:700px){form.lead{grid-template-columns:1fr}}
form.lead .full{grid-column:1/-1}
form.lead label{font-size:13.5px;color:var(--muted);display:block;margin-bottom:5px}
form.lead input,form.lead select,form.lead textarea{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:9px;color:var(--text);padding:10px 12px;font-size:15px;font-family:inherit}
.success{display:none;background:rgba(52,211,153,.1);border:1px solid var(--green);color:var(--green);border-radius:10px;padding:14px 16px;margin-top:14px}
details.faq{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
details.faq summary{cursor:pointer;font-weight:600}
details.faq p{color:var(--muted);margin:10px 0 2px;font-size:14.5px}
footer{border-top:1px solid var(--line);padding:30px 0 44px;color:var(--faint);font-size:13px}
.disclaimer{background:rgba(248,113,113,.06);border:1px solid rgba(248,113,113,.3);border-radius:12px;padding:14px 18px;color:#f3b4b4;font-size:13.5px;margin-top:20px}
/* ---- lead-gen gate (locked detail table / sensitivity) ---- */
.gated{position:relative;margin-top:18px}
.gated .tablebox{margin-top:0}
.gate-overlay{display:none}
.gated.locked .gate-blur{filter:blur(7px);-webkit-filter:blur(7px);pointer-events:none;user-select:none}
.gated.locked .gate-overlay{display:flex;position:absolute;inset:0;z-index:3;align-items:center;justify-content:center;background:rgba(10,14,20,.45);border-radius:var(--radius);padding:18px}
.gate-card{background:var(--card2);border:1px solid var(--accent);border-radius:var(--radius);padding:24px 26px;max-width:430px;text-align:center;box-shadow:0 18px 50px rgba(0,0,0,.5)}
.gate-card h3{margin:0 0 8px;font-size:19px}
.gate-card p{color:var(--muted);font-size:14px;margin:0 0 16px}
.unlocked-note{font-size:13px;color:var(--green);margin-top:10px}
/* ---- print report ---- */
#reportView{display:none}
@media print{
  body>*:not(#reportView){display:none!important}
  body{background:#fff}
  #reportView{display:block!important;color:#111;background:#fff;font-size:12.5px;line-height:1.55;padding:6px 2px}
  #reportView h1{font-size:21px;margin:0 0 2px;color:#111}
  #reportView h2{font-size:15px;margin:20px 0 8px;color:#111;border-bottom:2px solid #111;padding-bottom:4px}
  #reportView table{min-width:0;font-size:11px;width:100%}
  #reportView th,#reportView td{border-bottom:1px solid #bbb;color:#111;padding:4px 6px}
  #reportView th{background:#eee;color:#111}
  #reportView .rmeta{color:#555;font-size:12px}
  #reportView .rgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}
  #reportView .rcell{border:1px solid #bbb;border-radius:6px;padding:8px 10px}
  #reportView .rcell .k{font-size:11px;color:#555}
  #reportView .rcell .v{font-size:16px;font-weight:700}
  #reportView .rdisc{border:1px solid #999;border-radius:6px;padding:10px 12px;font-size:11.5px;color:#333;margin-top:16px}
  #reportView .rcta{border:1px solid #111;border-radius:6px;padding:10px 12px;margin-top:12px;font-size:12px}
}