:root {
  --bg: #0a101d; --panel: #111a2b; --panel2: #172338; --line: #22314c; --text: #e7edf6; --muted: #93a2bb;
  --sell: #f0645a; --sell-bg: rgba(240,100,90,.12); --buy: #2ec27e; --buy-bg: rgba(46,194,126,.12); --accent: #5b9cf0;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 "Segoe UI", system-ui, -apple-system, sans-serif; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
header.nav { position: sticky; top: 0; z-index: 10; background: rgba(10,16,29,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header.nav .wrap { display: flex; align-items: center; gap: 22px; height: 62px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); }
.logo img { width: 32px; height: 32px; border-radius: 8px; }
header.nav nav { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
header.nav nav a { color: var(--muted); font-size: 15px; }
header.nav nav a:hover, header.nav nav a.on { color: var(--text); text-decoration: none; }
.btn { display: inline-block; padding: 11px 20px; border-radius: 11px; background: var(--panel2); border: 1px solid var(--line); color: var(--text); font-weight: 600; }
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.green { background: var(--buy); border-color: var(--buy); color: #04140c; }
.hero { padding: 76px 0 40px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 50px; align-items: center; }
.hero .eyebrow { color: var(--buy); font-weight: 600; font-size: 14px; letter-spacing: .03em; }
.hero h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.08; margin: 10px 0 16px; letter-spacing: -.02em; }
.hero p { color: var(--muted); font-size: 18px; margin: 0 0 24px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.demo { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 16px; box-shadow: 0 30px 70px rgba(0,0,0,.45); }
.demo .dcard { background: var(--panel2); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; border-left: 3px solid var(--sell); }
.demo .dcard.buy { border-left-color: var(--buy); }
.demo .r1 { display: flex; gap: 8px; align-items: center; font-size: 14px; }
.demo .r1 b { font-family: var(--mono); }
.demo .r1 .px { margin-left: auto; font-family: var(--mono); }
.demo p { margin: 6px 0 8px; font-size: 13px; color: var(--muted); line-height: 1.45; }
.badge { font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 99px; background: var(--sell-bg); color: var(--sell); }
.badge.buy { background: var(--buy-bg); color: var(--buy); }
.range { position: relative; height: 6px; background: linear-gradient(90deg, var(--buy-bg), var(--bg) 50%, var(--sell-bg)); border-radius: 3px; }
.range i { position: absolute; top: -4px; width: 4px; height: 14px; border-radius: 2px; background: var(--text); }
.demo .live { font-size: 12.5px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 10px; display: flex; flex-direction: column; gap: 5px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--buy); margin-right: 6px; }
section { padding: 56px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 30px; margin: 0 0 8px; letter-spacing: -.01em; }
section .sub { color: var(--muted); margin: 0 0 28px; max-width: 760px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.box { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.box h3 { margin: 0 0 6px; font-size: 18px; }
.box p { margin: 0; color: var(--muted); font-size: 15px; }
.box .ic { font-size: 22px; margin-bottom: 8px; }
.quad { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.quad div { border-radius: 14px; padding: 16px; border: 1px solid var(--line); }
.quad b { display: block; font-size: 18px; }
.quad span { color: var(--muted); font-size: 14px; }
.q-sell { background: var(--sell-bg); } .q-sell b { color: var(--sell); }
.q-buy { background: var(--buy-bg); } .q-buy b { color: var(--buy); }
.q-avoid b { color: #d9a23b; } .q-hold b { color: var(--accent); }
ol.steps { counter-reset: s; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
ol.steps li { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; counter-increment: s; }
ol.steps li::before { content: counter(s); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--panel2); color: var(--accent); font-weight: 700; margin-bottom: 10px; }
ol.steps b { display: block; margin-bottom: 4px; }
ol.steps span { color: var(--muted); font-size: 14.5px; }
.dl { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.dl .box { display: flex; flex-direction: column; gap: 10px; }
.dl .meta { color: var(--muted); font-size: 13.5px; font-family: var(--mono); word-break: break-all; }
.dl .qr { background: #fff; border-radius: 12px; padding: 8px; width: 176px; height: 176px; }
.dl .qr svg, .dl .qr img { width: 160px; height: 160px; }
.dl ol { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14.5px; }
code { font-family: var(--mono); background: var(--panel2); padding: 1px 6px; border-radius: 5px; font-size: 13px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 13.5px; }
footer .wrap { display: flex; gap: 20px; flex-wrap: wrap; justify-content: space-between; }
.disc { font-size: 12.5px; color: var(--muted); max-width: 820px; }
.center { text-align: center; }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 44px; }
  .grid3, ol.steps { grid-template-columns: 1fr 1fr; }
  .dl, .grid2 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid3, ol.steps, .quad { grid-template-columns: 1fr; }
  header.nav nav a:not(.btn) { display: none; }
}