:root {
  --brand: #ff6b2c;
  --ink: #1b1714;
  --muted: #6d655c;
  --bg: #fffaf5;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.hero {
  background: radial-gradient(circle at 20% 20%, #ffe3d4, transparent 45%),
    linear-gradient(160deg, #2b211c 0%, #4a2c1f 55%, #ff6b2c 140%);
  color: #fff;
  padding: 72px 24px 64px;
}

.hero-inner {
  max-width: 880px;
  margin: 0 auto;
}

.eyebrow {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  opacity: 0.8;
}

h1 {
  margin: 8px 0 12px;
  font-size: clamp(32px, 5vw, 48px);
}

.lead {
  max-width: 640px;
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.hero-tags span {
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

h2 {
  font-size: 22px;
  margin: 0 0 16px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.cards article {
  background: #fff;
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(80, 40, 10, 0.06);
}

.cards h3 {
  margin: 0 0 8px;
}

.cards p,
.steps {
  color: var(--muted);
  line-height: 1.65;
}

.steps {
  padding-left: 20px;
}

code {
  background: #f3ece5;
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 13px;
}

.note {
  margin-top: 32px;
  padding: 16px 18px;
  border-left: 4px solid var(--brand);
  background: #fff;
  border-radius: 0 12px 12px 0;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 0 16px 40px;
}

section + section {
  margin-top: 36px;
}