:root {
  --bg: #0f172a;
  --panel: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #60a5fa;
  --border: rgba(255,255,255,.12);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Noto Sans CJK SC", sans-serif;
  background: linear-gradient(180deg, #0b1224 0%, #111827 100%);
  color: var(--text);
}
.container { width: min(1120px, 92%); margin: 0 auto; }
.topbar { position: sticky; top: 0; backdrop-filter: blur(8px); background: rgba(10,12,24,.65); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { font-weight: 700; letter-spacing: .2px; }
nav a { color: var(--muted); margin-left: 18px; text-decoration: none; }
nav a:hover { color: #fff; }
.hero { padding: 72px 0 48px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
.kicker { color: var(--primary); font-weight: 600; margin: 0 0 10px; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.12; margin: 0 0 16px; }
.lead { color: #cbd5e1; font-size: 18px; line-height: 1.7; margin: 0 0 24px; }
.hero-card { background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 16px; padding: 18px; }
.hero-card img { width: 100%; border-radius: 12px; display: block; }
.cta-row { display: flex; gap: 12px; }
.btn { padding: 12px 18px; border-radius: 10px; text-decoration: none; font-weight: 600; font-size: 14px; }
.btn.primary { background: var(--primary); color: #0b1224; }
.btn.ghost { border: 1px solid var(--border); color: #fff; }
.section { padding: 56px 0; }
.section.alt { background: rgba(255,255,255,.02); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h2 { margin: 0 0 18px; font-size: 30px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { border: 1px solid var(--border); background: rgba(255,255,255,.02); border-radius: 14px; padding: 18px; }
.card h3 { margin-top: 0; }
.steps { margin: 0; padding-left: 18px; color: #d1d5db; line-height: 1.9; }
.muted { color: var(--muted); }
.contact { text-align: center; }
footer { border-top: 1px solid var(--border); padding: 18px 0 28px; color: var(--muted); }
.footer { text-align: center; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
}