:root {
  --bg: #f3eee6;
  --bg-deep: #1f3d34;
  --ink: #1c1915;
  --muted: #5e584f;
  --line: #ddd4c6;
  --card: #fffaf4;
  --accent: #1f6b52;
  --accent-dark: #164c3b;
  --gold: #a6793c;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", "Songti SC", serif;
  --sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --shadow: 0 18px 40px rgba(31, 61, 52, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 480px at 100% -10%, rgba(166, 121, 60, 0.16), transparent 60%),
    var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}
img { max-width: 100%; }
a { color: inherit; }
.wrap { width: min(1080px, calc(100% - 32px)); margin-inline: auto; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: #fff;
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 12px; }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(243, 238, 230, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}
.brand span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-deep);
  color: #f3eadf;
  font-size: 0.85rem;
}
.nav__links { display: flex; gap: 18px; list-style: none; padding: 0; margin: 0; }
.nav__links a { text-decoration: none; color: var(--muted); font-size: 0.95rem; }
.nav__links a:hover { color: var(--ink); }
.nav__cta { display: flex; gap: 8px; }
.nav-toggle { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 650;
  border: 1px solid transparent;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-dark); }
.btn--ghost { background: transparent; border-color: #c9bfb0; color: var(--ink); }
.btn--light { background: #fff; color: var(--bg-deep); }
.btn--on-dark { background: transparent; border-color: #d7c7ae; color: #f6f1e8; }

.hero { padding: 56px 0 28px; }
.kicker {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; font-weight: 600; }
h1 { margin: 0 0 14px; font-size: clamp(2.4rem, 6vw, 4.6rem); letter-spacing: -0.04em; }
.lead { max-width: 42rem; margin: 0; color: var(--muted); font-size: 1.08rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; padding: 0; list-style: none; }
.hero__meta li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.7);
  color: var(--muted);
  font-size: 0.88rem;
}

.section { padding: 28px 0 10px; }
.section h2 { margin: 0 0 8px; font-size: clamp(1.7rem, 3vw, 2.3rem); }
.section > .wrap > p { max-width: 46rem; color: var(--muted); }

.grid { display: grid; gap: 14px; margin-top: 18px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 8px 0; font-size: 1.45rem; }
.card p { margin: 0; color: var(--muted); }
.card .en { color: var(--gold); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; }
.areas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.area {
  padding: 16px;
  border-radius: 16px;
  background: var(--bg-deep);
  color: #f6f1e8;
}
.area strong { display: block; font-family: var(--serif); font-size: 1.25rem; }
.area span { color: #d7c7ae; font-size: 0.9rem; }

.faq { display: grid; gap: 10px; margin-top: 16px; }
.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 16px;
}
.faq summary { cursor: pointer; font-weight: 650; }
.faq p { margin: 8px 0 0; color: var(--muted); }

.cta {
  margin: 34px auto 20px;
  padding: 28px;
  border-radius: 24px;
  background: var(--bg-deep);
  color: #f6f1e8;
}
.cta p { color: #d9cbb8; }
.cta .hero__actions { margin-top: 16px; }

.footer { padding: 10px 0 96px; color: var(--muted); font-size: 0.92rem; }
.footer a { color: var(--accent-dark); }
.notice {
  margin-top: 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--gold);
  background: rgba(255, 250, 244, 0.8);
}

.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(243, 238, 230, 0.96);
  border-top: 1px solid var(--line);
}
.dock .btn { flex: 1; }

@media (max-width: 800px) {
  .nav__links, .nav__cta { display: none; }
  .grid--3, .grid--2, .areas { grid-template-columns: 1fr; }
  .dock { display: flex; }
  .hero { padding-top: 36px; }
}