:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --card: #ffffff;
  --surface: #faf8f3;
  --text: #1f1b16;
  --muted: #7e786f;
  --faint: #aaa49a;
  --border: rgba(31, 27, 22, 0.1);
  --accent: #5f4618;
  --accent-soft: rgba(95, 70, 24, 0.1);
  --green: #4f9d73;
  --red: #c85f55;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top left, #fff8ea 0, var(--bg) 38%, #f0eee8 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.72;
}

main {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 56px;
}

header {
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 50px rgba(95, 70, 24, 0.1);
  backdrop-filter: blur(14px);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

nav a,
.button {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 9px 13px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(95, 70, 24, 0.12);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  margin-top: 8px;
  background: var(--accent);
  color: #fff8ea;
  border: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1 {
  margin: 18px 0 10px;
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

h2 {
  margin: 0 0 12px;
  font-size: 20px;
  line-height: 1.3;
}

h3 {
  margin: 22px 0 8px;
  font-size: 17px;
}

.subtitle {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

section {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--card);
  box-shadow: 0 8px 28px rgba(95, 70, 24, 0.06);
}

section.wide {
  grid-column: 1 / -1;
}

p {
  margin: 0 0 10px;
  color: var(--muted);
}

ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

li + li {
  margin-top: 6px;
}

a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 70, 24, 0.28);
}

nav a,
.button {
  border-bottom: 0;
}

.meta {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.card-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, var(--surface) 100%);
}

.tag {
  display: inline-block;
  margin: 2px 6px 2px 0;
  padding: 3px 8px;
  border-radius: 999px;
  background: #f0eee8;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.note {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--surface);
  color: var(--muted);
  font-size: 14px;
}

.warning {
  color: var(--red);
  font-weight: 800;
}

footer {
  margin-top: 22px;
  text-align: center;
  color: var(--faint);
  font-size: 13px;
}

@media (max-width: 720px) {
  main {
    width: min(100% - 24px, 920px);
    padding-top: 24px;
  }

  header,
  section {
    padding: 22px;
  }

  .grid,
  .card-row {
    grid-template-columns: 1fr;
  }
}