:root {
  --ivory: #F4EFE4;
  --ivory-deep: #E9DECD;
  --surface: #FAF7EF;
  --surface-strong: #ECE5D8;
  --ink: #211C16;
  --muted: #6F6557;
  --olive: #344C3D;
  --olive-soft: #DDE4D2;
  --gold: #A9822D;
  --clay: #8F4D35;
  --line: rgba(33, 28, 22, .1);
  --line-strong: rgba(52, 76, 61, .22);
  --shadow: 0 24px 70px rgba(64, 48, 29, .12);
  --ease: cubic-bezier(.16, 1, .3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 8%, rgba(221, 228, 210, .78), transparent 30%),
    linear-gradient(180deg, var(--ivory), #EFE6D7 52%, #E6DDCE);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(169, 130, 45, .45);
  outline-offset: 4px;
}

.page {
  position: relative;
  z-index: 5;
  min-height: 100dvh;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 30;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--olive);
  color: #F6F0E5;
  transition: top .2s var(--ease);
}

.skip-link:focus {
  top: 16px;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(244, 239, 228, .82);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--olive);
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--surface), var(--olive-soft));
  box-shadow: 0 10px 24px rgba(52, 76, 61, .12);
}

.brand-mark svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--olive);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  transition: color .2s var(--ease);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--olive);
}

.nav-cta,
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(52, 76, 61, .2);
  padding: 0 20px;
  font-weight: 650;
  letter-spacing: .02em;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
}

.nav-cta,
.button.primary {
  background: var(--olive);
  color: #F6F0E5;
  box-shadow: 0 14px 32px rgba(52, 76, 61, .2);
}

.button.secondary {
  background: rgba(250, 247, 239, .72);
  color: var(--olive);
  border-color: var(--line-strong);
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(52, 76, 61, .22);
}

main {
  display: block;
}

.subhero {
  padding: 92px 0 70px;
}

.subhero-grid {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(280px, .55fr);
  gap: 44px;
  align-items: end;
}

.kicker {
  width: fit-content;
  margin-bottom: 22px;
  padding: 8px 12px;
  border: 1px solid rgba(169, 130, 45, .2);
  border-radius: 999px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  background: rgba(250, 247, 239, .52);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
  font-weight: 700;
  color: var(--ink);
}

h1 {
  max-width: 820px;
  font-size: clamp(46px, 7vw, 88px);
  line-height: .94;
  letter-spacing: -.035em;
}

.lead {
  max-width: 700px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.9;
}

.aside-note,
.panel,
.quiet-panel,
.quote-card,
.split-panel,
.rule-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(250, 247, 239, .62);
  box-shadow: 0 16px 48px rgba(64, 48, 29, .08);
}

.aside-note {
  padding: 26px;
}

.aside-note strong {
  display: block;
  color: var(--olive);
  font-size: 26px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.aside-note span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.7;
}

section {
  padding: 86px 0;
  border-top: 1px solid rgba(33, 28, 22, .07);
}

.section-head {
  max-width: 780px;
  margin-bottom: 42px;
}

.section-head h2 {
  font-size: clamp(34px, 4.8vw, 60px);
  line-height: 1;
  letter-spacing: -.025em;
}

.section-head p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: start;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.panel,
.quiet-panel,
.rule-card {
  padding: 28px;
}

.panel.dark {
  min-height: 360px;
  background:
    linear-gradient(135deg, rgba(52, 76, 61, .94), rgba(33, 28, 22, .9)),
    var(--olive);
  color: #F6F0E5;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 26px 80px rgba(52, 76, 61, .2);
}

.panel.dark h2,
.panel.dark h3,
.panel.dark p,
.panel.dark li {
  color: #F6F0E5;
}

.panel h3,
.quiet-panel h3,
.rule-card h3 {
  font-size: 24px;
  line-height: 1.25;
}

.panel p,
.quiet-panel p,
.rule-card p,
.split-panel p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}

.panel.dark p {
  opacity: .84;
}

.list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--muted);
  line-height: 1.7;
}

.check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(52, 76, 61, .12);
  color: var(--olive);
  font-weight: 800;
}

.dark .check {
  background: rgba(246, 240, 229, .14);
  color: #F6F0E5;
}

.split-panel {
  padding: clamp(30px, 5vw, 54px);
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 34px;
  align-items: center;
}

.media-frame {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(236, 229, 216, .72);
}

.media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quote-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 22px;
}

.quote-card {
  padding: 28px;
}

.quote-card.featured {
  background: var(--olive-soft);
  border-color: rgba(52, 76, 61, .18);
}

.quote-card blockquote {
  margin: 0;
  font-family: "Songti SC", "Noto Serif SC", serif;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.6;
}

.quote-card cite {
  display: block;
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
  font-style: normal;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(250, 247, 239, .54);
}

.timeline-row strong {
  color: var(--olive);
  font-variant-numeric: tabular-nums;
}

.timeline-row p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.cta-band {
  padding: 68px 0;
  border-top: 1px solid var(--line);
}

.cta-panel {
  padding: clamp(30px, 5vw, 54px);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(52, 76, 61, .92), rgba(33, 28, 22, .94)),
    var(--olive);
  color: #F6F0E5;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  box-shadow: 0 26px 80px rgba(52, 76, 61, .2);
}

.cta-panel h2,
.cta-panel p {
  color: #F6F0E5;
}

.cta-panel h2 {
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.02;
  letter-spacing: -.025em;
}

.cta-panel p {
  margin: 14px 0 0;
  opacity: .82;
  line-height: 1.8;
}

.footer {
  padding: 54px 0 42px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.footer strong {
  color: var(--olive);
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .subhero-grid,
  .two-col,
  .three-col,
  .split-panel,
  .quote-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    display: grid;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 28px, 1180px);
  }

  .nav-inner {
    height: 66px;
  }

  .brand {
    font-size: 14px;
  }

  .nav-cta {
    min-height: 42px;
    padding: 0 14px;
    font-size: 13px;
  }

  h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .lead {
    font-size: 16px;
  }

  section,
  .subhero {
    padding: 68px 0;
  }

  .timeline-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}