:root {
  --paper: #f4f0e6;
  --paper-2: #ebe4d4;
  --card: #fffdf8;
  --ink: #17211c;
  --muted: #3a433c;
  --line: #d8d0c2;
  --pine: #0e6844;
  --pine-dark: #084a30;
  --rust: #b42318;
  --shadow: 0 18px 40px rgba(23, 33, 28, 0.08);
  --sans: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(14, 104, 68, 0.08), transparent 60%),
    linear-gradient(180deg, #f7f4ec 0%, var(--paper) 280px);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
}
a { color: var(--pine-dark); }
img { max-width: 100%; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  z-index: 10;
}
.skip:focus { top: 12px; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
main { min-height: 52vh; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(244, 240, 230, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}
.brand {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.brand small {
  display: block;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--muted);
  font-size: 12px;
}
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav a {
  color: var(--ink);
  text-decoration: none;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
}
.nav a[aria-current="page"] {
  background: var(--ink);
  color: #fff;
}

.hero { padding: 56px 0 28px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 40px;
  align-items: end;
}
.kicker {
  margin: 0 0 12px;
  color: var(--pine);
  font-weight: 700;
  letter-spacing: 0.04em;
}
h1, h2, h3 { font-family: var(--sans); line-height: 1.25; font-weight: 700; letter-spacing: 0.04em; }
h1 { font-size: clamp(48px, 7vw, 76px); margin: 0 0 16px; letter-spacing: 0.02em; }
h1 .name-num { margin-right: 0.2em; letter-spacing: 0.04em; }
.lede { font-size: 20px; max-width: 38rem; margin: 0 0 24px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}
.btn-primary { background: var(--pine); color: #fff; }
.btn-primary:hover { background: var(--pine-dark); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.note { color: var(--muted); font-size: 14px; max-width: 40rem; }

.sheet {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 22px 88px 18px 22px;
  transform: rotate(1.5deg);
  position: relative;
}
.sheet ol, .sheet ul { margin: 8px 0 0; padding: 0; list-style: none; }
.sheet li {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}
.sheet li:last-child { border-bottom: 0; }
.box {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  flex: none;
}
.box.on { background: var(--pine); border-color: var(--pine); }
.stamp {
  position: absolute;
  right: 16px;
  top: 16px;
  width: 64px;
  height: 64px;
  border: 2px solid var(--rust);
  color: var(--rust);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--sans);
  font-weight: 700;
  transform: rotate(12deg);
  background: rgba(255, 253, 248, 0.85);
}

.band { padding: 18px 0 48px; }
.band h2 { font-size: 34px; margin: 0 0 8px; }
.section-lead { margin-top: 0; color: var(--muted); }

.grid-3, .grid-2 { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: 1.1fr 0.9fr; }
.card, .price, .fact, .ui {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
}
.card h3, .price h3, .ui h3 { margin: 0 0 8px; font-size: 24px; }
.card p, .price p { margin: 0; color: var(--muted); }

.fare {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.fare a {
  color: inherit;
  text-decoration: none;
  padding: 22px 8px;
  display: block;
}
.fare a + a { border-left: 1px solid var(--line); }
.fare span { display: block; color: var(--muted); font-size: 14px; }
.fare strong {
  font-family: var(--sans);
  font-size: 48px;
  font-weight: 700;
}
.fare em { font-style: normal; color: var(--muted); margin-left: 4px; }
.fare small { display: block; color: var(--pine-dark); margin-top: 6px; }

.facts { width: 100%; border-collapse: collapse; }
.facts th, .facts td {
  text-align: left;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.facts th { width: 9em; color: var(--muted); font-weight: 500; }

.price, #open { scroll-margin-top: 96px; }
.price { display: flex; flex-direction: column; gap: 8px; }
.price .amount {
  font-family: var(--sans);
  font-size: 46px;
  margin: 0;
  color: var(--ink);
}
.price .amount span { font-size: 16px; color: var(--muted); margin-left: 4px; }
.price ul { margin: 0; padding-left: 18px; }
.price .btn { margin-top: auto; }

.steps { margin: 0; padding-left: 20px; }
.steps li { margin: 8px 0; }

.ui-list { margin: 0; padding: 0; list-style: none; }
.ui-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}
.bar { height: 8px; background: var(--paper-2); border-radius: 99px; overflow: hidden; margin: 8px 0 14px; }
.bar i { display: block; height: 100%; width: 0; background: var(--pine); }
.bar i.w60 { width: 60%; }
.caption { font-size: 13px; color: var(--muted); margin: 10px 0 0; }

.prose { max-width: 46rem; }
.prose h2 { font-size: 28px; margin-top: 32px; }
.prose h1 { font-size: clamp(36px, 5vw, 56px); }
.page-hero { padding: 42px 0 10px; }
.page-hero h1 { font-size: clamp(36px, 5vw, 56px); }
.page-hero p { color: var(--muted); max-width: 40rem; }
.page-hero .kicker { color: var(--pine); max-width: none; }
.prose p { color: var(--ink); max-width: 46rem; }
.note a, .prose a { overflow-wrap: anywhere; }
.prose a, .note a { text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--pine);
  outline-offset: 3px;
}

.site-footer {
  margin-top: 64px;
  border-top: 1px solid var(--ink);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}
.site-footer p { margin: 4px 0; }
.site-footer a { color: var(--ink); }
.legal-links { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px; }

@media (max-width: 860px) {
  .hero-grid, .grid-3, .grid-2, .fare { grid-template-columns: 1fr; }
  .fare a + a { border-left: 0; border-top: 1px solid var(--line); }
  .sheet { transform: none; }
  h1 { font-size: 48px; }
  .page-hero h1 { font-size: 36px; }
  .site-header .wrap { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .nav { gap: 2px 4px; }
  .nav a { padding: 0 8px; font-size: 15px; }
  .facts, .facts tbody, .facts tr, .facts th, .facts td { display: block; width: auto; }
  .facts th { padding-bottom: 0; }
  .price .amount, .fare strong { font-size: 36px; }
  .sheet { padding-right: 72px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sheet { transform: none; }
}