:root{
  --bg:#F5F3EE;--surface:#FFFFFF;--paper:#FBF9F4;--line:#E3DED3;--ink:#17212B;--muted:#5F6975;
  --gold:#A2660C;--gold-2:#C98A1A;--gold-soft:#F0E4CC;--green:#138A5A;--red:#CC3B4A;
  --radius:18px;--max:1180px;--pad:24px;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body.home{margin:0;min-width:320px;background:radial-gradient(ellipse at 88% -5%,rgba(245,196,81,.10),transparent 48%),var(--bg);color:var(--ink);overflow-x:hidden}
a{color:inherit}
img{max-width:100%;height:auto}
.shell{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.nav{position:sticky;top:0;z-index:50;background:rgba(245,243,238,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(227,222,211,.8)}
.nav-in{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.brand-mark{width:40px;height:40px;display:grid;place-items:center;border:1px solid #E6C98F;border-radius:11px;background:rgba(227,161,64,.10)}
.brand-mark svg{width:23px;height:23px}
.brand b{display:block;font-size:18px;line-height:1.15;letter-spacing:-.02em}
.brand small{display:block;margin-top:2px;font-size:10px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;font-size:12px}
.nav-links a{padding:9px 11px;text-decoration:none;color:var(--muted);border-radius:7px;white-space:nowrap}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.7)}
.nav-links a.muted-link{color:#8A929C;font-size:11px}
.account-nav{margin-left:4px}
.hero{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:38px;align-items:center;padding:58px var(--pad) 32px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 11px;border:1px solid #E6C98F;border-radius:999px;background:rgba(227,161,64,.09);color:var(--gold);font-size:10px;font-weight:700;letter-spacing:.06em;margin-bottom:18px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(162,102,12,.10)}
h1.hero-t{margin:0 0 18px;font-size:clamp(42px,5.5vw,72px);line-height:1.02;letter-spacing:-.055em;font-weight:800}
h1.hero-t span{color:var(--gold)}
.hero-copy p.lead{max-width:550px;margin:0 0 24px;color:var(--muted);font-size:14px;line-height:1.85}
.hero-copy p.lead b{color:var(--ink)}
.cta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);text-decoration:none;font-size:13px;font-weight:700;line-height:1.2;transition:transform .15s,border-color .15s,opacity .15s}
.btn:hover{border-color:#C9A45C;transform:translateY(-1px);text-decoration:none}
.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.primary:hover{opacity:.9}
.btn.gold{background:var(--gold);border-color:var(--gold);color:#fff}
.btn.gold:hover{opacity:.92}
.btn.ghost{background:transparent}
.btn.block{width:100%}
.micro{margin:12px 0 0;font-size:10px;color:#8A929C;letter-spacing:.01em}
.hero-visual{position:relative;min-width:0}
.shot{position:relative;overflow:hidden;border:1px solid #D8D0C1;border-radius:18px;background:#fff;box-shadow:0 30px 80px rgba(23,33,43,.18);transform:none}
.shot-bar{display:flex;align-items:center;gap:5px;padding:9px 12px;background:#17212B;color:#DDE3EA;border-bottom:1px solid rgba(255,255,255,.08)}
.shot-bar i{width:6px;height:6px;border-radius:50%;background:#5B6674;display:block}
.shot-bar i:first-child{background:#C98A1A}
.shot-bar span{margin-left:7px;font-size:9px;letter-spacing:.04em;color:#9AA5B1}
.shot img{display:block;width:100%;height:auto}
.float{position:absolute;z-index:2;padding:7px 10px;background:#fff;border:1px solid #E6C98F;border-radius:8px;box-shadow:0 12px 28px rgba(23,33,43,.13);font-size:10px;color:var(--muted);white-space:nowrap}
.float b{color:var(--gold);font-size:11px;margin-left:4px}
.f1{right:-10px;top:24%}
.f2{left:-12px;bottom:22%}
.shot-cap{display:block;margin-top:10px;text-align:right;font-size:9px;color:#8A929C}
.trust{display:flex;align-items:center;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:13px 0;margin-top:18px;overflow:hidden}
.trust span{display:inline-flex;align-items:center;gap:8px;padding:0 18px;border-left:1px solid var(--line);font-size:10px;color:var(--muted);white-space:nowrap}
.trust span:first-child{border-left:0;padding-left:0}
.trust b{color:var(--ink);font-weight:700}
section{position:relative}
.section-head{max-width:700px;margin-bottom:24px}
.kicker{display:block;margin-bottom:9px;font-family:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--gold);text-transform:uppercase}
.section-head h2{margin:0 0 9px;font-size:clamp(27px,3.1vw,40px);line-height:1.18;letter-spacing:-.04em}
.section-head p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
.tools{padding:70px var(--pad) 4px}
.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.tool-card{position:relative;display:flex;flex-direction:column;min-height:292px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-decoration:none;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}
.tool-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(23,33,43,.09);border-color:#C9A45C;text-decoration:none}
.tool-card.chips{background:radial-gradient(circle at 100% 0,rgba(227,161,64,.16),transparent 42%),linear-gradient(145deg,#17212B,#0E141B);border-color:#17212B;color:#F5F3EE}
.tool-card.chips:hover{border-color:#C98A1A}
.tool-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.tag{display:inline-flex;padding:4px 9px;border:1px solid #E6C98F;border-radius:999px;background:rgba(227,161,64,.09);color:var(--gold);font-size:10px;font-weight:700}
.chips .tag{background:rgba(227,161,64,.14);border-color:rgba(227,161,64,.35);color:#E3AB47}
.tool-num{font-family:"IBM Plex Mono",monospace;font-size:11px;color:#B9B2A4;letter-spacing:.08em}
.chips .tool-num{color:#66717E}
.tool-card h3{margin:0 0 10px;font-size:30px;letter-spacing:-.04em;line-height:1.1}
.tool-card p{margin:0 0 18px;color:var(--muted);font-size:13px;line-height:1.8;max-width:46ch}
.chips p{color:#B9C2CC}
.tool-principle{margin:0 0 14px!important;font-family:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;font-size:9px!important;line-height:1.6!important;letter-spacing:.02em;color:#8A929C!important}
.chips .tool-principle{color:#8B97A5!important}
.mini{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0 0 22px;padding:0}
.mini li{padding:4px 8px;border:1px solid var(--line);border-radius:5px;font-size:9px;color:var(--muted);background:#FBF9F4}
.chips .mini li{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.10);color:#C8D0D8}
.go{margin-top:auto;font-size:12px;font-weight:700;color:var(--gold)}
.chips .go{color:#E3AB47}
.method{padding:0 var(--pad);margin-top:58px}
.method-head{max-width:720px;margin-bottom:20px}
.method-head h2{margin:0 0 8px;font-size:clamp(26px,3vw,38px);line-height:1.16;letter-spacing:-.04em}
.method-head p{margin:0;color:var(--muted);font-size:12px;line-height:1.8}
.method-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.method-card{position:relative;padding:20px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.62)}
.method-num{display:block;margin-bottom:12px;font-family:"IBM Plex Mono",monospace;font-size:10px;font-weight:600;letter-spacing:.12em;color:var(--gold)}
.method-card h3{margin:0 0 7px;font-size:15px;letter-spacing:-.02em}
.method-card p{margin:0;color:var(--muted);font-size:11px;line-height:1.8}
.method-fine{margin:13px 0 0;font-size:9px;line-height:1.7;color:#8A929C}
.membership{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:30px;align-items:center;margin:64px 0 0;padding:34px 36px;border:1px solid #E1C48E;border-radius:22px;background:linear-gradient(115deg,#F0E4CC 0%,#FBF9F4 62%,#F5F3EE 100%);overflow:hidden}
.membership:before{content:"";position:absolute;right:-100px;top:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(227,161,64,.20),transparent 68%);pointer-events:none}
.member-copy h2{margin:0 0 10px;font-size:clamp(28px,3.2vw,42px);line-height:1.15;letter-spacing:-.04em}
.member-copy p{margin:0 0 18px;color:var(--muted);font-size:13px;line-height:1.85;max-width:52ch}
.member-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.member-list li{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:#4E5964;line-height:1.6}
.member-list li:before{content:"✓";color:var(--gold);font-weight:800;flex-shrink:0}
.member-urgency{margin:16px 0 0!important;padding:10px 12px;border-left:3px solid var(--gold);background:rgba(227,161,64,.12);color:#4E5964!important;font-size:11px!important;font-weight:700;line-height:1.7!important}
.price-card{position:relative;padding:24px;border:1px solid #E3DED3;border-radius:16px;background:rgba(255,255,255,.78);box-shadow:0 16px 40px rgba(38,31,18,.07)}
.price-card .save-badge{display:inline-flex;padding:3px 8px;border:1px solid #E6C98F;border-radius:999px;color:var(--gold);background:rgba(227,161,64,.10);font-size:9px;font-weight:700;letter-spacing:.04em}
.price{display:flex;align-items:baseline;gap:8px;margin:10px 0 2px;color:var(--gold);font-size:54px;font-weight:800;letter-spacing:-.055em;line-height:1}
.price small{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:0}
.price-note{margin:8px 0 16px;font-size:12px;line-height:1.65;color:#4E5964;font-weight:600}
.price-card .micro{text-align:center}
.partners{padding:82px var(--pad) 56px;border-top:1px solid var(--line);margin-top:82px}
.partner-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.partner-card{display:flex;flex-direction:column;padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.62);transition:border-color .15s,background .15s}
.partner-card:hover{border-color:#C9A45C;background:#fff}
.p-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.p-logo{width:36px;height:36px;flex-shrink:0;display:grid;place-items:center;border-radius:10px;font-size:13px;font-weight:800;letter-spacing:-.04em}
.p-logo.binance{background:#F3BA2F;color:#17212B}
.p-logo.okx{background:#17212B;color:#fff}
.p-logo.bybit{background:#F7A600;color:#17212B;font-size:10px}
.p-head h3{margin:0 0 2px;font-size:14px;letter-spacing:-.02em}
.p-head p{margin:0;font-size:9px;color:var(--muted)}
.p-badge{margin-left:auto;padding:3px 6px;border:1px solid #E6C98F;border-radius:4px;color:var(--gold);font-size:8px;white-space:nowrap}
.p-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 0;border-top:1px solid #EFECE5;font-size:9px;color:var(--muted)}
.p-meta b{color:var(--ink);font-weight:600}
.p-code{color:var(--gold);font-weight:700}
.p-link{margin-top:auto;display:flex;align-items:center;justify-content:center;padding:8px 9px;border:1px solid var(--line);border-radius:7px;background:#fff;font-size:10px;font-weight:700;text-decoration:none;color:var(--ink)}
.p-link:hover{border-color:#C9A45C;text-decoration:none}
.calculator{margin-top:16px;padding:24px;border:1px solid var(--line);border-radius:16px;background:#fff}
.calc-head{margin-bottom:18px}
.calc-head h3{margin:0 0 5px;font-size:20px;letter-spacing:-.03em}
.calc-head p{margin:0;color:var(--muted);font-size:11px}
.calc-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:start}
.calc-inputs{display:grid;gap:12px}
.calc-inputs label{display:grid;gap:5px;font-size:10px;font-weight:700;color:#4E5964}
.calc-inputs select,.calc-inputs input[type=number]{width:100%;height:38px;padding:0 10px;border:1px solid var(--line);border-radius:7px;background:#FCFBF8;color:var(--ink);font:inherit;font-size:12px;outline:none}
.calc-inputs select:focus,.calc-inputs input[type=number]:focus{border-color:#C9A45C;box-shadow:0 0 0 3px rgba(227,161,64,.10)}
.calc-inputs label>span{display:flex;justify-content:space-between;color:var(--gold);font-weight:700}
input[type=range]{width:100%;accent-color:var(--gold)}
.quick{display:flex;gap:5px;flex-wrap:wrap;margin-top:-5px}
.quick button{padding:4px 7px;border:1px solid var(--line);border-radius:5px;background:#FBF9F4;color:var(--muted);font:inherit;font-size:9px;cursor:pointer}
.quick button:hover{border-color:#C9A45C;color:var(--gold)}
.calc-out{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.out-row{display:flex;flex-direction:column;gap:3px;padding:11px 12px;border:1px solid #EFECE5;border-radius:8px;background:#FCFBF8}
.out-row span{font-size:9px;color:var(--muted)}
.out-row b{font-size:18px;letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums}
.out-row.save{background:rgba(227,161,64,.09);border-color:#E6C98F}
.out-row.save b{color:var(--gold)}
.out-row.annual{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between}
.out-row.annual b{font-size:23px}
.fine{margin:13px 0 0;font-size:9px;line-height:1.65;color:#8A929C}
.foot{border-top:1px solid var(--line);padding:34px var(--pad) 30px;font-size:10px;line-height:1.8;color:#8A929C}
.foot-top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.foot-brand{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--ink)}
.foot-brand .brand-mark{width:28px;height:28px;border-radius:8px}
.foot-brand .brand-mark svg{width:16px;height:16px}
.foot-links{display:flex;gap:14px;flex-wrap:wrap}
.foot-links a{text-decoration:none}
.foot-links a:hover{color:var(--gold)}
.mobile-cta{display:none}
@media (max-width:960px){
  .nav-in{height:auto;padding:11px 0;flex-wrap:wrap;gap:8px}
  .brand{flex:1}
  .brand small{display:none}
  .nav-links{order:3;width:100%;margin:0;padding:2px 0 3px;overflow-x:auto;scrollbar-width:none;gap:0}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{padding:7px 9px;font-size:11px}
  .nav-links a.muted-link{font-size:10px}
  .account-nav{margin-left:0}
  .hero{grid-template-columns:1fr;gap:28px;padding-top:32px}
  .hero-copy p.lead{max-width:none}
  .hero-visual{order:2}
  .shot{transform:none}
  .float{display:none}
  .shot-cap{text-align:left}
  .trust{flex-wrap:wrap;padding:4px 0}
  .trust span{width:50%;padding:7px 10px 7px 0;border-left:0;border-bottom:1px solid #EFECE5;font-size:9px}
  .trust span:nth-child(odd){border-right:1px solid #EFECE5;padding-right:10px}
  .trust span:nth-last-child(-n+2){border-bottom:0}
  .tool-grid{grid-template-columns:1fr}
  .tool-card{min-height:0}
  .method{margin-top:42px}
  .method-grid{grid-template-columns:1fr}
  .method-card{padding:17px}
  .membership{grid-template-columns:1fr;gap:22px;margin-top:48px;padding:24px 20px}
  .partners{padding-top:56px;margin-top:56px}
  .partner-grid{grid-template-columns:1fr}
  .calc-grid{grid-template-columns:1fr;gap:18px}
  .mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:100;gap:8px;padding:9px 12px calc(9px + env(safe-area-inset-bottom));background:rgba(245,243,238,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line)}
  .mobile-cta a{flex:1;display:flex;align-items:center;justify-content:center;padding:11px 8px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:11px;font-weight:700;text-decoration:none;color:var(--ink)}
  .mobile-cta a.primary{background:var(--ink);border-color:var(--ink);color:#fff}
  body.home{padding-bottom:76px}
}
@media (max-width:520px){
  :root{--pad:16px}
  h1.hero-t{font-size:clamp(36px,11.5vw,52px)}
  .hero{padding-top:24px;gap:22px}
  .hero-copy p.lead{font-size:13px}
  .cta-row{display:grid;grid-template-columns:1fr;gap:8px}
  .cta-row .btn{width:100%}
  .section-head h2{font-size:26px}
  .tool-card{padding:22px}
  .tool-card h3{font-size:26px}
  .membership{padding:22px 17px}
  .price{font-size:46px}
  .price-card{padding:18px}
  .partners{padding-top:42px;margin-top:42px}
  .calculator{padding:18px 15px}
  .calc-out{grid-template-columns:1fr 1fr}
  .out-row b{font-size:16px}
  .out-row.annual b{font-size:21px}
  .foot{padding-bottom:22px}
}

/* homepage research strip */
.guides-home{padding:0 var(--pad);margin-top:58px}
.guide-card{display:block;color:inherit;text-decoration:none;transition:transform .16s,border-color .16s,box-shadow .16s}
.guide-card:hover{transform:translateY(-2px);border-color:#C9A45C;box-shadow:0 14px 30px rgba(23,33,43,.07);text-decoration:none}
.guide-go{display:block;margin-top:12px;font-size:10px;font-weight:700;color:var(--gold)}
@media (max-width:960px){.guides-home{margin-top:42px}}