/* marketing 首页专用样式（依赖 ../shared/tokens.css + base.css） */

body.mkt { overflow-x: hidden; }

.mkt-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; padding: 0 var(--space-6);
  background: color-mix(in srgb, var(--surface-canvas) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-default);
}
.mkt-nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.mkt-nav .brand svg { width: 28px; height: 28px; }
.mkt-nav ul { display: flex; align-items: center; gap: var(--space-6); list-style: none; padding: 0; margin: 0; }
.mkt-nav ul a { color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.mkt-nav ul a:hover { color: var(--text-primary); text-decoration: none; }
.mkt-nav .nav-actions { display: flex; align-items: center; gap: var(--space-3); }
@media (max-width: 860px) { .mkt-nav .nav-links { display: none; } }

.hero {
  position: relative;
  padding: 112px var(--space-6) 72px;
  text-align: left;
  overflow: hidden;
  background:
    radial-gradient(600px 400px at 50% -10%, color-mix(in srgb, var(--brand-500) 30%, transparent), transparent 70%),
    var(--surface-canvas);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-8);
  max-width: 1400px; margin: 0 auto; align-items: center;
}
.hero-copy .eyebrow { margin-bottom: var(--space-5); }
.hero-copy h1 { margin: 0 0 var(--space-5); max-width: 560px; }
.hero-copy .lead { margin: 0 0 var(--space-6); max-width: 520px; }
.hero-copy .cta-row { justify-content: flex-start; margin-bottom: var(--space-6); }
.hero-stats { display: flex; justify-content: center; gap: var(--space-6); color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.hero-stats strong { display: block; font-size: 20px; font-weight: 650; color: var(--text-primary); font-variant-numeric: tabular-nums; }
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual.hero-globe iframe { height: 420px !important; }
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--text-primary) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--text-primary) 6%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 40%, transparent 90%);
  pointer-events: none;
}
.hero .eyebrow {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; margin-bottom: var(--space-5);
  border: 1px solid var(--border-default); border-radius: var(--radius-full);
  font-size: 13px; color: var(--text-secondary); background: var(--surface-raised);
}
.hero .eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); }
.hero h1 { position: relative; z-index: 1; max-width: 760px; margin: 0 auto var(--space-5); }
.hero h1 .accent { color: var(--brand-400); }
.hero p.lead { position: relative; z-index: 1; max-width: 560px; margin: 0 auto var(--space-6); color: var(--text-secondary); font-size: 18px; line-height: 28px; }
.hero .cta-row { position: relative; z-index: 1; display: flex; gap: var(--space-3); justify-content: center; margin-bottom: var(--space-8); }
.hero .cta-row .btn { height: 44px; padding: 0 24px; font-size: 15px; }

.hero-visual {
  position: relative; z-index: 1;
  max-width: 920px; margin: 0 auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-default);
  background: var(--surface-raised);
  box-shadow: var(--shadow-lg);
  padding: var(--space-5);
}
.hero-visual.hero-globe {
  position: relative;
  border: none;
  background: transparent;
  box-shadow: none;
  padding: 0;
  border-radius: 0;
  margin: 0;
  width: 100%;
  max-width: 500px;
  align-self: center;
  margin-top: -49px;
}
.hero .hero-visual .eyebrow.eyebrow-vertical {
  position: absolute;
  right: -79px;
  top: calc(50% - 100px);
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  letter-spacing: 0.1em;
  padding: 14px 6px;
  margin-bottom: 0;
  z-index: 2;
}
.eyebrow-vertical .dot { flex: none; }
.topo-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.topo-node { display: flex; flex-direction: column; align-items: center; gap: 8px; flex: 1; }
.topo-node .dotnode { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--brand-400); background: var(--surface-canvas); }
.topo-node.core .dotnode { width: 20px; height: 20px; background: var(--brand-500); border-color: var(--brand-500); box-shadow: 0 0 0 6px color-mix(in srgb, var(--brand-500) 18%, transparent); }
.topo-node span { font-size: 12px; color: var(--text-muted); }
.topo-line { flex: 1; height: 2px; background: linear-gradient(90deg, var(--brand-400), var(--brand-500)); position: relative; top: -22px; }

.section { padding: var(--space-9) var(--space-6); }
.section .kicker { color: var(--brand-text); font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-3); text-align: center; }
.section h2.center { text-align: center; max-width: 640px; margin: 0 auto var(--space-2); }
.section p.center { text-align: center; max-width: 560px; margin: 0 auto var(--space-8); color: var(--text-secondary); }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); max-width: 1080px; margin: 0 auto; }
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card { padding: var(--space-5); border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--surface-raised); }
.feature-card .icon-wrap { width: 40px; height: 40px; border-radius: var(--radius-md); background: color-mix(in srgb, var(--brand-500) 16%, transparent); display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-4); }
.feature-card .icon-wrap svg { width: 20px; height: 20px; color: var(--brand-400); stroke: currentColor; }
.feature-card h3 { margin-bottom: var(--space-2); }
.feature-card p { color: var(--text-secondary); font-size: 14px; line-height: 22px; }

.stat-strip { display: flex; justify-content: center; gap: var(--space-9); flex-wrap: wrap; max-width: 900px; margin: 0 auto; }
.stat-strip .stat { text-align: center; }
.stat-strip .stat .num { font-family: var(--font-mono); font-size: 32px; font-weight: 700; color: var(--text-primary); }
.stat-strip .stat .label { color: var(--text-muted); font-size: 13px; margin-top: 4px; }

.cta-section { text-align: center; padding: var(--space-9) var(--space-6); background: var(--surface-raised); border-top: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); }
.cta-section .cta-row { display: flex; gap: var(--space-3); justify-content: center; margin-top: var(--space-5); }

.mkt-footer { padding: var(--space-8) var(--space-6) var(--space-6); }
.mkt-footer .brand svg { width: 28px; height: 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-6); max-width: 1160px; margin: 0 auto var(--space-6); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { font-size: 13px; color: var(--text-muted); margin-bottom: var(--space-3); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-grid ul a { color: var(--text-secondary); font-size: 14px; }
.footer-grid ul a:hover { color: var(--text-primary); }
.footer-bottom { max-width: 1160px; margin: 0 auto; padding-top: var(--space-5); border-top: 1px solid var(--border-default); display: flex; justify-content: space-between; align-items: center; color: var(--text-muted); font-size: 13px; }