:root {
  --bg: #07111f;
  --ink: #102033;
  --muted: #64748b;
  --card: #ffffff;
  --line: #e2e8f0;
  --cyan: #22d3ee;
  --blue: #2563eb;
  --violet: #7c3aed;
  --green: #22c55e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: #f7fbff;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  line-height: 1.72;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7,17,31,.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: white;
}
.nav { min-height: 76px; display: flex; align-items: center; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 900; }
.logo img { max-height: 38px; width: auto; display: block; }
.logo strong { font-size: 20px; }
.nav nav { margin-left: auto; display: flex; gap: 24px; color: rgba(255,255,255,.78); }
.nav nav a:hover { color: white; }
.top-action, .btn {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 800;
}
.top-action, .btn.primary { background: linear-gradient(135deg, var(--cyan), var(--blue)); color: white; }
.btn.secondary { color: white; border: 1px solid rgba(255,255,255,.3); }
.hero {
  color: white;
  background:
    radial-gradient(circle at 68% 30%, rgba(34,211,238,.24), transparent 26%),
    radial-gradient(circle at 90% 80%, rgba(124,58,237,.22), transparent 30%),
    linear-gradient(135deg, #07111f 0%, #0f2342 52%, #1e1b4b 100%);
}
.hero-grid { min-height: 680px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 54px; }
.badge, .section-title p, .page-head p, .show header p {
  margin: 0 0 10px;
  color: var(--cyan);
  font-weight: 900;
}
.hero h1 { font-size: 64px; line-height: 1.06; margin: 0 0 22px; letter-spacing: 0; }
.hero-text > p:not(.badge) { color: rgba(255,255,255,.78); font-size: 18px; max-width: 610px; }
.actions { display: flex; gap: 12px; margin: 28px 0 14px; }
.hero small { color: rgba(255,255,255,.62); }
.ai-card {
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  padding: 34px;
  min-height: 390px;
  box-shadow: 0 30px 90px rgba(0,0,0,.25);
}
.spark { width: 54px; height: 54px; border-radius: 8px; display: grid; place-items: center; background: rgba(34,211,238,.18); font-size: 28px; }
.ai-card h2 { margin: 22px 0 12px; }
.ai-card p { color: rgba(255,255,255,.78); }
.bubble { background: white; color: #0f2342; padding: 14px 16px; border-radius: 8px; margin: 28px 0 12px; font-weight: 800; }
.status { background: rgba(34,197,94,.16); border: 1px solid rgba(34,197,94,.34); padding: 14px; border-radius: 8px; color: #bbf7d0; }
.stats { margin-top: -44px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; z-index: 2; }
.stats article, .cap-grid article, .scene-grid article, .review-grid article, .news-grid article, .faq article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
}
.stats article { text-align: center; box-shadow: 0 18px 50px rgba(15,35,66,.12); }
.stats strong { display: block; font-size: 34px; color: var(--blue); }
.stats span { color: var(--muted); }
.capabilities, .reviews, .news { padding: 88px 0; }
.section-title { text-align: center; margin-bottom: 34px; }
.section-title.left { text-align: left; }
.section-title h2 { font-size: 40px; margin: 0 0 8px; }
.section-title span { color: var(--muted); }
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cap-grid b { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 8px; background: #e0f7ff; color: var(--blue); }
.cap-grid h3, .cap-grid h2 { margin: 18px 0 8px; }
.cap-grid p, .scene-grid p, .review-grid p, .news-grid p, .faq p, .footer p { color: var(--muted); }
.band { padding: 88px 0; background: #edf7ff; }
.scene-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.scene-grid span { color: var(--cyan); font-weight: 900; }
.scene-grid a, .news-grid span { color: var(--blue); font-weight: 800; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-grid strong { color: var(--green); }
.dark { background: #07111f; color: white; }
.download-wrap { display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 26px; }
.download h2 { font-size: 38px; margin: 0 0 8px; }
.download p:not(.badge) { color: rgba(255,255,255,.72); }
.platforms { display: flex; flex-wrap: wrap; gap: 10px; }
.platforms span {
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px;
  color: rgba(255,255,255,.8);
}
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-grid h3, .news-grid h2 { margin: 0 0 10px; font-size: 20px; }
.page-head {
  padding: 88px 0 70px;
  color: white;
  background: linear-gradient(135deg, #07111f, #1e3a8a 58%, #4c1d95);
}
.page-head h1 { margin: 0 0 10px; font-size: 46px; }
.page-head span { color: rgba(255,255,255,.75); }
.page-list, .platform-list, .faq { padding: 62px 0 88px; }
.platform-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.platform-list a {
  min-height: 92px;
  display: grid;
  place-items: center;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 900;
}
.faq { display: grid; gap: 18px; }
.show { padding: 60px 0 90px; display: grid; grid-template-columns: 1fr 280px; gap: 30px; }
.show header { grid-column: 1 / -1; }
.show h1 { font-size: 42px; margin: 0 0 8px; }
.content, .show aside {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
}
.content { color: #334155; }
.show aside { align-self: start; }
.show aside a, .footer a { display: block; margin: 8px 0; color: var(--muted); }
.plan-page { padding: 62px 0 88px; grid-template-columns: repeat(3, 1fr); }
.footer { padding-top: 58px; background: #07111f; color: white; }
.footer-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr .75fr; gap: 36px; }
.foot-brand { font-size: 24px; font-weight: 900; margin-bottom: 10px; }
.footer h3 { margin: 0 0 14px; }
.footer a, .footer p { color: rgba(255,255,255,.68); }
.copy { margin-top: 40px; padding: 18px; text-align: center; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.58); }

@media (max-width: 900px) {
  .nav { flex-wrap: wrap; padding: 16px 0; }
  .nav nav { order: 3; width: 100%; overflow-x: auto; gap: 16px; }
  .hero-grid, .stats, .cap-grid, .scene-grid, .review-grid, .download-wrap, .news-grid, .platform-list, .show, .plan-page, .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-grid { min-height: auto; padding: 72px 0; }
  .hero h1 { font-size: 42px; }
  .stats { margin-top: 20px; }
  .show header { grid-column: auto; }
}

.auth-layout{padding:62px 0 88px;display:grid;grid-template-columns:1fr 340px;gap:24px}.auth-card,.auth-side,.about-grid article{background:#fff;border:1px solid var(--line,#dde5ef);border-radius:8px;padding:30px}.auth-actions{display:flex;gap:12px;margin-top:24px}.btn.outline{border:1px solid var(--blue,var(--a,#2563eb));color:var(--blue,var(--a,#2563eb));background:#fff}.auth-side ul{margin:0;padding-left:20px;color:var(--muted,#647084)}.about-grid{padding:62px 0 88px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.brand-text{font-weight:900;line-height:1.25}@media(max-width:900px){.auth-layout,.about-grid{grid-template-columns:1fr}.auth-actions{flex-wrap:wrap}}