:root {
  --ink: #17202a;
  --muted: #637181;
  --line: #dfe6ec;
  --paper: #f7f5ef;
  --card: #fff;
  --brand: #d9271e;
  --accent: #ffd400;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 4%, rgba(255, 212, 0, .42), transparent 270px),
    linear-gradient(180deg, #fff 0, var(--paper) 470px, #fff 100%);
  font: 16px/1.75 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a { color: #b51f18; text-underline-offset: 3px; }

header,
main,
footer {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

header { padding: 52px 0 24px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brand);
  font-weight: 800;
  letter-spacing: .08em;
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 6px;
  border-radius: 99px;
  background: var(--brand);
}

h1 {
  max-width: 900px;
  margin: 18px 0 14px;
  font: 900 clamp(34px, 6vw, 64px)/1.12 "Songti SC", "STSong", serif;
  letter-spacing: -.035em;
}

.lead {
  max-width: 820px;
  margin: 0;
  color: #394653;
  font-size: 20px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-block;
  padding: 13px 20px;
  border: 2px solid var(--ink);
  border-radius: 10px;
  color: #fff;
  background: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.button.secondary {
  color: var(--ink);
  background: var(--accent);
}

main { padding: 30px 0 64px; }

section,
.panel {
  margin-top: 42px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .92);
}

h2 {
  margin: 0 0 16px;
  font-size: 28px;
  line-height: 1.35;
}

h3 {
  margin: 24px 0 6px;
  font-size: 20px;
}

p { margin: 8px 0; }

ul {
  margin: 10px 0;
  padding-left: 22px;
}

li { margin: 7px 0; }

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.fact {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, .9);
}

.fact b {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.card h3 { margin-top: 0; }

.faq {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.faq:first-of-type { border-top: 0; }

.faq h3 { margin-top: 0; }

.note {
  color: #485665;
  background: #fffdf2;
  border-color: #f0df8b;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

footer {
  padding: 0 0 48px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .facts,
  .grid { grid-template-columns: 1fr; }
  header { padding-top: 34px; }
  section { padding: 20px; }
}