:root {
  --bg: #fff8f4;
  --panel: #ffffff;
  --stroke: rgba(15, 23, 42, 0.08);
  --text: #1a1f2b;
  --muted: #6d7583;
  --brand-a: #ff7b46;
  --brand-b: #ff5f6d;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 123, 70, 0.18), transparent 28%),
    linear-gradient(180deg, #fff9f5 0%, #fff4ed 100%);
  color: var(--text);
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  min-height: 72vh;
}

.hero-badge,
.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 123, 70, 0.12);
  color: #b75631;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero h1,
.section h2 {
  margin: 16px 0 0;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero h1 { font-size: clamp(44px, 6vw, 76px); }
.section h2 { font-size: clamp(28px, 4vw, 44px); }

.hero p,
.panel p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.hero-actions,
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-meta {
  color: var(--muted);
  font-size: 13px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  color: white;
  box-shadow: 0 24px 40px -24px rgba(255, 95, 109, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
  border: 1px solid var(--stroke);
}

.hero-card,
.panel,
.feature-card,
.plan-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--stroke);
  box-shadow: 0 30px 60px -42px rgba(15, 23, 42, 0.35);
}

.hero-card,
.panel {
  border-radius: 30px;
  padding: 24px;
}

.mock-window {
  overflow: hidden;
  border-radius: 24px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.mock-header {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.dot { width: 10px; height: 10px; border-radius: 999px; }
.red { background: #ff6b6b; }
.yellow { background: #ffcf5a; }
.green { background: #32d583; }

.mock-body {
  display: grid;
  grid-template-columns: 180px 1fr;
  min-height: 360px;
}

.mock-sidebar {
  background: #f7f8fa;
  padding: 18px;
  border-right: 1px solid rgba(15, 23, 42, 0.06);
}

.mock-logo {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 22px;
}

.mock-nav {
  padding: 12px 14px;
  border-radius: 14px;
  margin-bottom: 8px;
  color: #667085;
}

.mock-nav.active {
  background: #fff;
  color: var(--text);
  font-weight: 700;
}

.mock-content { padding: 24px; }
.mock-title { font-size: 22px; font-weight: 800; margin-bottom: 18px; }
.mock-line {
  height: 12px;
  border-radius: 999px;
  background: #eef1f5;
  margin-bottom: 12px;
}

.mock-line.wide { width: 88%; }
.mock-panel { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.mock-chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 123, 70, 0.12);
  color: #b75631;
  font-size: 13px;
  font-weight: 700;
}

.section { margin-top: 48px; }
.section-head { margin-bottom: 20px; }

.feature-grid,
.plan-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.plan-card {
  border-radius: 24px;
  padding: 22px;
}

.feature-card h3,
.plan-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.feature-card p,
.plan-card p,
.plan-card li {
  color: var(--muted);
  line-height: 1.8;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.plan-price {
  font-size: 34px;
  font-weight: 800;
  margin: 12px 0;
}

.plan-card.featured {
  background: linear-gradient(180deg, #fff8f4, #ffffff);
  border-color: rgba(255, 123, 70, 0.24);
}

.plan-card ul {
  margin: 16px 0 0;
  padding-left: 20px;
}

@media (max-width: 960px) {
  .hero,
  .split,
  .feature-grid,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .mock-body {
    grid-template-columns: 1fr;
  }

  .mock-sidebar {
    border-right: 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  }
}