:root {
  --paper: #f7f1e3;
  --ink: #1c1917;
  --olive: #3f5d3b;
  --gold: #c4a35a;
  --muted: #5c564c;
  --card: #fffaf0;
  --rule: #d9d0b8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
  font-size: 17px;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.35;
}

a { color: var(--olive); }
a:hover { color: #2d452b; }

.edition {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 18px;
  border-right: 1px solid var(--rule);
  background: #efe6d2;
  overflow: auto;
}

.rail .mark {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--olive);
  font-family: Georgia, serif;
  font-size: 15px;
}

.rail nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rail a {
  text-decoration: none;
  color: var(--ink);
  padding: 8px 10px;
  border-left: 3px solid transparent;
  font-size: 14px;
}

.rail a:hover,
.rail a.is-on {
  border-left-color: var(--gold);
  background: rgba(196, 163, 90, 0.16);
  color: var(--olive);
}

.folio {
  max-width: 820px;
  padding: 42px 56px 80px;
}

.issue {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 10px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin: 0 0 16px;
}

.lede {
  font-size: 1.12rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  padding: 11px 18px;
  border: 1px solid var(--olive);
  background: var(--olive);
  color: #f7f1e3;
}

.btn:hover { color: #fff; background: #314a2e; }

.btn-ghost {
  background: transparent;
  color: var(--olive);
}

.spin {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(247, 241, 227, 0.35);
  border-top-color: #f7f1e3;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.btn-ghost .spin {
  border-color: rgba(63, 93, 59, 0.25);
  border-top-color: var(--olive);
}

@keyframes spin { to { transform: rotate(360deg); } }

.ribbon {
  margin: 36px 0;
  padding: 18px 20px;
  background: #fff8e6;
  border: 1px solid var(--gold);
  border-left-width: 8px;
}

.ribbon h2 { margin: 0 0 8px; color: var(--olive); font-size: 1.25rem; }

article {
  padding: 8px 0 28px;
  border-bottom: 1px solid var(--rule);
}

article h2 {
  font-size: 1.7rem;
  margin: 28px 0 12px;
}

.pull {
  margin: 20px 0;
  padding: 8px 0 8px 18px;
  border-left: 3px solid var(--gold);
  font-family: Georgia, serif;
  font-size: 1.15rem;
  color: var(--olive);
}

.folio p { margin: 0 0 14px; color: var(--ink); }

.faq-list dt {
  font-family: Georgia, serif;
  font-size: 1.15rem;
  margin-top: 20px;
  color: var(--olive);
}

.faq-list dd { margin: 8px 0 0; }

.cta-end {
  margin-top: 36px;
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--rule);
}

.site-foot {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 2px solid var(--ink);
  font-size: 14px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .edition { display: block; }
  .rail {
    position: sticky;
    top: 0;
    height: auto;
    z-index: 5;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding: 12px;
  }
  .rail nav {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
  }
  .rail a { white-space: nowrap; border-left: 0; border-bottom: 3px solid transparent; }
  .rail a:hover,
  .rail a.is-on { border-bottom-color: var(--gold); }
  .folio { padding: 24px 18px 56px; }
}