:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-alt: #eef4ff;
  --text: #0f172a;
  --muted: #475569;
  --line: #dbe4f0;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #ffffff 0, var(--bg) 48rem);
  color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

.page-narrow {
  width: min(860px, calc(100% - 32px));
}

.hero {
  padding: 28px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(219, 228, 240, 0.9);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-compact {
  margin-top: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 72px;
  height: 72px;
}

.eyebrow {
  font-size: 14px;
  color: var(--primary);
  font-weight: 700;
}

h1 {
  margin: 6px 0 0;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.1;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.lead {
  margin-top: 24px;
  font-size: 20px;
  max-width: 920px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

.button:hover {
  text-decoration: none;
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), #60a5fa);
  color: #fff;
  border-color: transparent;
}

.button-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.hero-grid,
.card-grid,
.link-grid,
.steps {
  display: grid;
  gap: 16px;
}

.hero-grid {
  margin-top: 28px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat,
.card,
.link-card,
.step {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.05);
}

.stat {
  padding: 16px 18px;
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
}

.stat-value {
  margin-top: 8px;
  font-size: 20px;
  font-weight: 700;
}

.band {
  margin-top: 24px;
  padding: 28px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(219, 228, 240, 0.9);
  box-shadow: var(--shadow);
}

.section-copy {
  max-width: 860px;
}

.card-grid {
  margin-top: 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  padding: 20px;
}

.image-band img {
  margin-top: 22px;
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #fff;
}

.steps {
  margin-top: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step {
  padding: 20px;
}

.step-index {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--panel-alt);
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 16px;
}

.link-grid {
  margin-top: 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.link-card {
  padding: 20px;
  color: var(--text);
  font-weight: 600;
}

.link-card:hover {
  text-decoration: none;
  border-color: rgba(37, 99, 235, 0.28);
}

@media (max-width: 900px) {
  .hero-grid,
  .card-grid,
  .steps,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .page {
    width: min(100% - 20px, 1180px);
    padding-top: 16px;
  }

  .hero,
  .band {
    padding: 20px;
    border-radius: 20px;
  }

  .brand {
    align-items: flex-start;
  }

  .brand-mark {
    width: 56px;
    height: 56px;
  }

  .lead {
    font-size: 17px;
  }
}