:root{
  --bg:#050b15;
  --bg-soft:#0b1424;
  --panel:#0f1b2f;
  --panel-soft:#111d33;
  --line:rgba(255,255,255,.08);
  --text:#e8eef8;
  --muted:#9aabc4;
  --accent:#22c55e;
  --accent-2:#16a34a;
  --shadow:0 18px 40px rgba(0,0,0,.32);
  --radius:18px;
  --max:1120px;
}
*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
html{scroll-behavior:smooth}
body{
  min-height:100vh;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(34,197,94,.08), transparent 20%),
    radial-gradient(circle at top right, rgba(59,130,246,.10), transparent 22%),
    linear-gradient(135deg, #020617, #0b1424 65%, #111827);
}
a{text-decoration:none;color:inherit}
.topbar{
  position:sticky;top:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 18px;
  background:rgba(3,8,17,.82);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.leftbar{display:flex;align-items:center;gap:12px}
.menu-btn,.close-btn{
  width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);cursor:pointer;font-size:18px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-badge{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#07220f;box-shadow:var(--shadow);
}
.brand h1{font-size:18px;line-height:1}
.brand p{margin-top:4px;font-size:12px;color:var(--muted)}
.top-actions{display:flex;align-items:center;gap:10px}
.top-link{
  padding:10px 14px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);font-size:14px;color:var(--muted)
}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.56);
  opacity:0;pointer-events:none;transition:.25s ease;z-index:1100;
}
.drawer-overlay.show{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:-340px;width:320px;height:100vh;z-index:1200;
  background:rgba(7,12,22,.98);border-right:1px solid var(--line);
  backdrop-filter:blur(16px);padding:18px;overflow:auto;transition:.28s ease;
}
.drawer.open{left:0}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}
.drawer-label{
  color:var(--muted);font-size:12px;text-transform:uppercase;
  letter-spacing:.08em;margin:18px 10px 10px;
}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
  display:flex;align-items:center;gap:12px;padding:13px 14px;
  border-radius:14px;border:1px solid transparent;font-weight:600;color:var(--text)
}
.drawer-nav a:hover,.drawer-nav a.active{
  background:rgba(255,255,255,.04);border-color:var(--line)
}
.drawer-note{
  margin-top:18px;padding:16px;border-radius:18px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--muted);line-height:1.65;font-size:14px
}
.drawer-note .btn{margin-top:12px}
.container{width:min(var(--max),100%);margin:0 auto;padding:26px 18px 42px}
.hero{
  padding:34px 0 26px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:start;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 12px;border-radius:999px;
  border:1px solid rgba(34,197,94,.20);
  background:rgba(34,197,94,.08);color:#b7f3c9;
  font-size:13px;font-weight:700;margin-bottom:16px;
}
.hero h2,.page-hero h2{
  font-size:clamp(32px,4vw,50px);
  line-height:1.02;margin-bottom:14px;letter-spacing:-.03em;
}
.hero p,.page-hero p{
  color:var(--muted);line-height:1.78;font-size:16px;max-width:64ch;
}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 16px;border-radius:14px;font-weight:700;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#07220f;border:0;
}
.hero-aside,.panel{
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow)
}
.hero-aside{padding:24px}
.hero-aside h3,.section-title{font-size:19px;margin-bottom:10px}
.hero-aside p,.section-sub{color:var(--muted);line-height:1.7}
.mini-grid,.card-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px
}
.mini,.card{
  padding:16px;border-radius:16px;background:rgba(255,255,255,.03);
  border:1px solid var(--line)
}
.mini i,.card i{color:#8decaf;font-size:18px;margin-bottom:8px}
.mini h4,.card h4{font-size:15px;margin-bottom:6px}
.mini p,.card p{color:var(--muted);font-size:14px;line-height:1.6}
.page-hero{padding:28px;margin-bottom:20px}
.section{padding:24px;margin-bottom:20px}
.section-head{margin-bottom:18px}
.section-head h3{font-size:24px;margin-bottom:8px}
.section-head p{color:var(--muted);line-height:1.75}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.link-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.link-item{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:16px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.03)
}
.link-item strong{font-size:16px}
.link-item small{display:block;color:var(--muted);margin-top:5px;line-height:1.6}
.text-block{
  padding:20px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.03)
}
.text-block p{color:var(--muted);line-height:1.82;font-size:15px}
.text-block ul{margin-top:12px;padding-left:18px}
.text-block li{color:var(--muted);line-height:1.8;font-size:15px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{
  padding:20px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.03)
}
.step-num{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  margin-bottom:14px;font-weight:800;color:#07220f;
  background:linear-gradient(135deg,var(--accent),var(--accent-2))
}
.step h4{margin-bottom:8px}
.step p{color:var(--muted);line-height:1.7;font-size:14px}
details{
  border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);padding:14px 16px
}
summary{cursor:pointer;font-weight:700;list-style:none}
summary::-webkit-details-marker{display:none}
details p{margin-top:12px;color:var(--muted);line-height:1.75}
.faq-list{display:grid;gap:12px}
.session-stage{
  min-height:calc(100vh - 76px);
  display:flex;flex-direction:column;
}
.session-shell{
  width:100%;flex:1;display:flex;flex-direction:column;
}
.session-topline{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 18px;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.03)
}
.session-topline .url{
  display:flex;align-items:center;gap:10px;color:var(--muted);min-width:0;flex:1
}
.session-topline .url span{
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis
}
.session-frame{flex:1;min-height:calc(100vh - 160px);width:100%;border:0;background:#08101c}
.notice{
  margin:14px 18px 20px;padding:14px 16px;border-radius:16px;
  border:1px solid rgba(34,197,94,.18);background:rgba(34,197,94,.07);
  color:#b7f3c9;line-height:1.72
}
footer{
  margin-top:20px;padding:22px 24px;border-radius:18px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap
}
.footer-links{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:14px}
@media (max-width:980px){
  .hero,.grid-3,.steps,.link-list{grid-template-columns:1fr}
  .mini-grid,.card-grid{grid-template-columns:1fr}
  .top-link{display:none}
  .session-frame{min-height:70vh}
}
@media (max-width:640px){
  .container{padding:20px 16px 36px}
  .hero,.page-hero,.section,footer,.hero-aside{padding-left:18px;padding-right:18px}
  .session-topline{flex-direction:column;align-items:stretch}
}