:root {
  --ink: #1d1a17;
  --muted: #655d54;
  --bg: #f7f3ee;
  --panel: #ffffff;
  --line: #e7dbcc;
  --accent: #0f6a72;
  --accent-strong: #0a4f56;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 18% 10%, #fff0d5, transparent 28%),
    radial-gradient(circle at 82% 18%, #e4f6ff, transparent 24%), var(--bg);
  font-family: "Noto Serif SC", "Songti SC", serif;
  line-height: 1.6;
}

.container {
  width: min(1040px, 92vw);
  margin: 0 auto;
}

.site-header {
  padding: 4.2rem 0 2.6rem;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.04em;
}

h1 {
  margin: 0.35rem 0 0;
  font-size: clamp(2rem, 4.8vw, 3.2rem);
  line-height: 1.12;
}

.lead {
  max-width: 38rem;
  color: var(--muted);
}

.cta-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.btn {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.62rem 1rem;
  text-decoration: none;
  color: var(--ink);
  background: #fff;
  display: inline-flex;
  align-items: center;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn.primary:hover {
  background: var(--accent-strong);
}

.section {
  padding: 1.2rem 0 2.2rem;
}

.section.alt {
  background: rgba(255, 255, 255, 0.7);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 1rem;
}

.card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.08rem;
}

.card p,
.section p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  padding: 1.5rem 0 2.2rem;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}