:root{
  --primary:#07c160;
  --primary-dark:#06ad56;
  --secondary:#1677ff;
  --secondary-dark:#0958d9;
  --text:#0f172a;
  --muted:#64748b;
  --border:rgba(148,163,184,.18);
  --panel:rgba(255,255,255,.86);
  --panel-strong:rgba(255,255,255,.94);
  --shadow:0 20px 60px rgba(15,23,42,.10);
  --shadow-soft:0 10px 30px rgba(15,23,42,.07);
  --radius:24px;
  --bg1:#f6f9ff;
  --bg2:#eef4ff;
  --bg3:#f7fffb;
  --ring:0 0 0 3px rgba(47,124,246,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  background:
    radial-gradient(circle at top left,rgba(22,119,255,.18),transparent 24%),
    radial-gradient(circle at top right,rgba(7,193,96,.14),transparent 22%),
    linear-gradient(180deg,var(--bg1) 0%,var(--bg2) 45%,var(--bg3) 100%);
  color:var(--text);
  overflow-x:hidden;
}
body:before{
  content:'';
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:32px 32px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.16),transparent 70%);
}
a{text-decoration:none}
.shell{min-height:100vh}
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  max-width:1240px;
  margin:0 auto;
  padding:16px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  background:rgba(255,255,255,.62);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.55);
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  font-weight:800;
  letter-spacing:.2px;
  font-size:18px;
  line-height:1.3;
}
.top-links{display:flex;gap:10px;flex-wrap:wrap}
.top-link{
  padding:10px 15px;
  border-radius:14px;
  background:rgba(255,255,255,.68);
  border:1px solid rgba(255,255,255,.78);
  color:var(--text);
  font-size:14px;
  box-shadow:var(--shadow-soft);
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.top-link:hover,.top-link.active{transform:translateY(-1px);background:#fff}
.hero,.section{max-width:1240px;margin:0 auto}
.hero{padding:42px 20px 24px}
.hero-left,.faq-card,.step-card{
  background:var(--panel);
  border:1px solid rgba(255,255,255,.72);
  box-shadow:var(--shadow);
  border-radius:var(--radius);
  backdrop-filter:blur(18px);
}
.hero-left{padding:30px}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border-radius:999px;
  background:rgba(7,193,96,.10);
  color:#047857;
  font-size:12px;
  font-weight:800;
  margin-bottom:18px;
  border:1px solid rgba(7,193,96,.16);
  letter-spacing:.3px;
}
.hero h1{font-size:42px;line-height:1.08;margin-bottom:14px;letter-spacing:-.8px}
.hero p{font-size:15px;color:var(--muted);line-height:1.9;max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:12px 18px;
  border-radius:16px;
  font-weight:800;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--secondary),var(--secondary-dark));color:#fff;box-shadow:0 12px 28px rgba(22,119,255,.24)}
.btn-secondary{background:rgba(255,255,255,.76);color:var(--text);border:1px solid rgba(226,232,240,.82);box-shadow:var(--shadow-soft)}
.section{padding:12px 20px 30px}
.section-header,.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(22,119,255,.08);
  color:#1d4ed8;
  font-size:12px;
  font-weight:800;
  border:1px solid rgba(59,130,246,.14);
  margin-bottom:12px;
}
.section h2,.section-title{font-size:28px;font-weight:900;letter-spacing:-.5px}
.section-sub{color:var(--muted);margin-top:10px;line-height:1.85}
.steps-grid,.faq-list{display:grid;grid-template-columns:1fr;gap:18px;margin-top:18px}
.step-card{
  padding:22px;
  position:relative;
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover,.faq-card:hover{transform:translateY(-2px);box-shadow:0 26px 70px rgba(15,23,42,.11)}
.step-card--wide{
  display:grid;
  grid-template-columns:88px 1fr;
  gap:18px;
  align-items:flex-start;
}
.step-index{
  width:72px;
  min-height:72px;
  border-radius:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  font-weight:900;
  color:#fff;
  background:linear-gradient(135deg,var(--secondary),var(--primary));
  box-shadow:0 16px 36px rgba(22,119,255,.22);
}
.step-content h3,.faq-card h3{font-size:20px;line-height:1.45;margin-bottom:10px;letter-spacing:-.3px}
.step-content p,.faq-card p{font-size:14px;color:var(--muted);line-height:1.9;white-space:pre-wrap}
.faq-card{
  padding:22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
@media (max-width:980px){
  .topbar{padding:14px 16px;flex-direction:column;align-items:flex-start}
  .top-links{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
  .top-link{white-space:nowrap;flex:none}
  .hero{padding:28px 16px 20px}
  .hero-left,.faq-card,.step-card{border-radius:20px}
  .hero-left{padding:22px}
  .hero h1{font-size:36px}
  .section{padding:12px 16px 28px}
  .section h2,.section-title{font-size:24px}
}
@media (max-width:720px){
  .hero{padding:24px 16px 18px}
  .hero h1{font-size:30px;line-height:1.16}
  .hero p{font-size:14px;line-height:1.8}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .step-card--wide{grid-template-columns:1fr;gap:14px}
  .step-index{width:62px;min-height:62px;border-radius:18px;font-size:22px}
}
@media (max-width:640px){
  .brand{width:100%;font-size:16px;line-height:1.3}
  .hero-left,.faq-card,.step-card{padding:18px;border-radius:18px}
  .kicker,.section-tag{font-size:11px;padding:8px 12px}
  .hero h1{font-size:26px}
  .section h2,.section-title{font-size:22px}
  .section-head,.section-header{align-items:flex-start}
  .step-content h3,.faq-card h3{font-size:18px}
}
@media (prefers-reduced-motion: reduce){
  .top-link,.btn,.step-card,.faq-card{transition:none !important;transform:none !important}
}