:root {
  --paper: #f6f1e7;
  --paper-2: #efe7d8;
  --ink: #1d1a16;
  --ink-2: #4b453c;
  --muted: #7d7466;
  --line: #d9cdb9;
  --red: #b23a2b;
  --red-soft: #c9553f;
  --serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.paper {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(178, 58, 43, 0.08), transparent 62%),
    radial-gradient(700px 480px at -6% 44%, rgba(120, 96, 60, 0.09), transparent 60%);
}

.paper::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image: radial-gradient(rgba(29, 26, 22, 0.08) 0.6px, transparent 0.6px);
  background-size: 4px 4px;
  mix-blend-mode: multiply;
}

a { color: inherit; }

.nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 18px 28px;
  backdrop-filter: blur(10px);
  background: rgba(246, 241, 231, 0.82);
  border-bottom: 1px solid transparent;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.seal {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--red);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(178, 58, 43, 0.25);
}

.nav-links {
  display: flex;
  gap: 26px;
  font-size: 14px;
  color: var(--ink-2);
}

.nav-links a {
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover { color: var(--red); border-color: var(--red); }

main {
  position: relative;
  z-index: 1;
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0 28px;
}

.hero {
  padding: clamp(56px, 11vh, 120px) 0 clamp(48px, 8vh, 86px);
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--red);
}

.hero h1 {
  margin: 0 0 26px;
  font-family: var(--serif);
  font-size: clamp(46px, 8.6vw, 82px);
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero h1 .accent {
  color: var(--red);
  position: relative;
  white-space: nowrap;
}

.hero h1 .accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.09em;
  background: var(--red);
  opacity: 0.28;
  border-radius: 999px;
}

.lede {
  margin: 0 0 34px;
  max-width: 33em;
  font-size: clamp(16px, 2.2vw, 18px);
  color: var(--ink-2);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(255, 255, 255, 0.35);
  transition: transform 0.15s, border-color 0.2s, background 0.2s, color 0.2s;
}

.btn:hover { border-color: var(--ink); transform: translateY(-2px); }

.btn.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.btn.primary:hover { background: var(--red); border-color: var(--red); }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.meta li { position: relative; padding-left: 14px; }
.meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  border-radius: 50%;
  background: var(--red);
  opacity: 0.6;
}

.section {
  padding: 26px 0 64px;
  border-top: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
}

.section-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(24px, 3.4vw, 32px);
  letter-spacing: 0.04em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
}

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

.card {
  display: flex;
  flex-direction: column;
  padding: 24px 24px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.4);
  transition: transform 0.18s, border-color 0.18s, background 0.18s, box-shadow 0.18s;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(178, 58, 43, 0.4);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 14px 34px rgba(70, 54, 34, 0.08);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.num { color: var(--red); }

.stars { text-transform: uppercase; }

.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.card h3 a {
  text-decoration: none;
  background-image: linear-gradient(var(--red), var(--red));
  background-size: 0 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.25s;
}

.card h3 a:hover { background-size: 100% 1px; }

.card p {
  margin: 0 0 18px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.75;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.tags span {
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.more {
  margin: 24px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.more a { color: var(--red); text-decoration: none; border-bottom: 1px solid rgba(178, 58, 43, 0.35); }

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 30px;
  align-items: start;
}

.about-copy p {
  margin: 0 0 16px;
  font-size: 15.5px;
  color: var(--ink-2);
  max-width: 36em;
}

.about-card {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.4);
}

.about-card dl { margin: 0; }

.about-card div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
}

.about-card div:last-child { border-bottom: 0; }

.about-card dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex: none;
}

.about-card dd { margin: 0; text-align: right; color: var(--ink-2); }

.about-card a { color: var(--red); text-decoration: none; }

.footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 30px 28px 44px;
  color: var(--muted);
  font-size: 12.5px;
  border-top: 1px solid var(--line);
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.footer a { text-decoration: none; color: var(--ink-2); }
.footer a:hover { color: var(--red); }
.dot { color: var(--line); }

@media (max-width: 720px) {
  .nav { padding: 14px 20px; }
  .nav-links { gap: 18px; font-size: 13px; }
  main { padding: 0 20px; }
  .hero { padding: 44px 0 48px; }
  .grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 4px; }
  .section { padding: 24px 0 48px; }
  .footer { padding: 26px 20px 38px; }
  .card { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}
