:root {
  --ink: #241c14;
  --muted: #6d6256;
  --paper: #f3eee4;
  --card: #fffdf8;
  --green: #1a6840;
  --green-deep: #10281b;
  --gold: #b8893e;
  --gold-soft: #e7d3a4;
  --line: rgba(36, 28, 20, 0.12);
  --shadow: 0 18px 50px rgba(36, 28, 20, 0.08);
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% -10%, rgba(184, 137, 62, 0.16), transparent 32%),
    var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.ribbon {
  background: var(--green-deep);
  color: #f4ead7;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.14em;
  padding: 8px 16px;
}

.site-head {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(243, 238, 228, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.head-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand img { height: 58px; width: auto; }
.nav { display: flex; gap: 22px; margin-left: auto; font-size: 15px; }
.nav a { position: relative; padding: 6px 0; color: #3c342b; }
.nav a[aria-current="page"] { color: var(--green); font-weight: 700; }
.nav a[aria-current="page"]::after,
.nav a:hover::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--gold);
}
.bag {
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 14px;
  white-space: nowrap;
}

.hero {
  margin: 28px auto 10px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 620px;
  background:
    radial-gradient(circle at 78% 42%, rgba(231, 211, 164, 0.28), transparent 36%),
    linear-gradient(145deg, #163526 0%, #1e6a3d 48%, #0e2418 100%);
  color: #f7f1e6;
  border-radius: 32px;
  overflow: hidden;
  position: relative;
}
.hero-copy { padding: 72px 64px; align-self: center; }
.eyebrow {
  margin: 0 0 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-soft);
  font-size: 13px;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: 0.01em; }
.hero h1 { font-size: 68px; line-height: 1.12; margin: 0 0 18px; }
.dek { font-size: 18px; max-width: 36em; color: rgba(247, 241, 230, 0.86); margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f4ead2;
  color: #1a2a1c;
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  cursor: pointer;
  font-weight: 700;
}
.btn:hover { transform: translateY(-1px); }
.btn-line { background: transparent; color: #f7f1e6; border: 1px solid rgba(247, 241, 230, 0.45); }
.btn-green { background: var(--green); color: white; }
.hero-visual { position: relative; display: grid; place-items: center; }
.hero-visual img { height: 520px; width: auto; filter: drop-shadow(0 30px 40px rgba(0,0,0,.35)); }
.seal {
  position: absolute;
  right: 48px;
  bottom: 54px;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  border: 1px solid rgba(231, 211, 164, 0.7);
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--serif);
  line-height: 1.25;
  color: var(--gold-soft);
  background: rgba(16, 40, 27, 0.35);
}
.year-mark {
  position: absolute;
  left: 28px;
  top: 28px;
  writing-mode: vertical-rl;
  letter-spacing: 0.35em;
  font-size: 13px;
  color: rgba(247, 241, 230, 0.55);
}

.fact-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 22px auto 8px;
}
.fact {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
}
.fact b { display: block; font-family: var(--serif); font-size: 26px; color: var(--green); font-weight: 600; }
.fact span { color: var(--muted); font-size: 14px; }

.section { padding: 64px 0 10px; }
.section h2 { font-size: 40px; margin: 0 0 8px; }
.section .intro { color: var(--muted); max-width: 40em; margin: 0 0 26px; }

.oil-grid, .shop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.oil {
  background: var(--card);
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.shot {
  height: 280px;
  background:
    radial-gradient(circle at 50% 80%, rgba(184, 137, 62, 0.2), transparent 55%),
    linear-gradient(#f7f1e4, #efe4cf);
  display: grid;
  place-items: center;
}
.shot img { height: 240px; width: auto; }
.oil-body, .shop-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.oil h3, .shop-body h3 { margin: 0; font-size: 22px; }
.meta { color: var(--muted); font-size: 14px; margin: 0; }
.price { font-family: var(--serif); font-size: 28px; color: var(--green); margin: 4px 0; }
.oil .btn, .shop-body .btn { margin-top: auto; align-self: flex-start; }

.split-ways { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.way {
  border-radius: 24px;
  padding: 32px;
  min-height: 220px;
}
.way.dark { background: var(--green-deep); color: #f7f1e6; }
.way.light { background: white; border: 1px solid var(--line); }
.way h3 { margin: 0 0 8px; font-size: 30px; }
.way p { margin: 0; }

.feature {
  margin: 56px auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  background: white;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.feature img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
.feature-copy { padding: 42px; }
.feature-copy h2 { font-size: 36px; margin: 8px 0 12px; }

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { margin: 10px 0 4px; color: #3d342b; }

.en-band {
  margin: 48px auto 20px;
  background: #1b3f2b;
  color: #f7f1e6;
  border-radius: 28px;
  padding: 36px 40px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}
.en-band p { margin: 0; max-width: 46em; }
.en-band a { color: var(--gold-soft); border-bottom: 1px solid var(--gold-soft); }

.crumbs { color: var(--muted); font-size: 14px; padding-top: 26px; }
.crumbs a { border-bottom: 1px solid transparent; }
.crumbs a:hover { border-bottom-color: var(--gold); }

.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  padding: 18px 0 40px;
  align-items: center;
}
.stage {
  background:
    radial-gradient(circle at 50% 75%, rgba(184, 137, 62, 0.25), transparent 50%),
    linear-gradient(#f8f3e8, #efe3cc);
  border-radius: 28px;
  min-height: 560px;
  display: grid;
  place-items: center;
}
.stage img { height: 480px; width: auto; }
.product h1 { font-size: 44px; line-height: 1.2; margin: 8px 0; }
.specs { width: 100%; border-collapse: collapse; margin: 18px 0 22px; }
.specs th, .specs td { text-align: left; padding: 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.specs th { width: 88px; color: var(--muted); font-weight: 500; }

.page-hero { padding: 42px 0 10px; }
.page-hero h1 { font-size: 52px; margin: 0 0 10px; }
.page-hero p { color: var(--muted); max-width: 40em; }

.shop-grid { grid-template-columns: repeat(3, 1fr); }
.pack {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green);
  border: 1px solid rgba(26, 104, 64, 0.35);
  border-radius: 999px;
  padding: 2px 8px;
}

.recipe-layout { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 28px; padding-bottom: 48px; }
.recipe-layout img { width: 100%; border-radius: 24px; }
.panel { background: white; border-radius: 24px; padding: 28px; border: 1px solid var(--line); }
.panel h2 { margin-top: 0; }
.panel li { margin: 6px 0; }
.byline { color: var(--muted); }

.timeline { border-left: 2px solid var(--gold-soft); margin: 10px 0 28px; padding-left: 22px; }
.timeline div { margin: 0 0 18px; }
.timeline strong { display: block; font-family: var(--serif); font-size: 22px; color: var(--green); }

.checkout { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 22px; padding: 28px 0 56px; }
.pay-card {
  display: block;
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 16px 14px 46px;
  margin-bottom: 12px;
  position: relative;
  cursor: pointer;
}
.pay-card input { position: absolute; left: 16px; top: 20px; }
.pay-card strong { display: block; font-size: 18px; }
.pay-card p { margin: 4px 0 0; color: var(--muted); }
.summary {
  background: white;
  border-radius: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  align-self: start;
}
.note {
  background: #f6efe0;
  border-radius: 12px;
  padding: 12px 14px;
  color: #3d342b;
}

.site-foot { margin-top: 40px; background: var(--green-deep); color: #f4ead7; }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  padding: 42px 0 28px;
}
.site-foot a { color: var(--gold-soft); }
.wordmark {
  font-family: var(--serif);
  font-size: 72px;
  line-height: 1;
  opacity: 0.18;
  margin: 0;
}
.legal { border-top: 1px solid rgba(244, 234, 215, 0.15); padding: 14px 0 22px; font-size: 13px; color: rgba(244, 234, 215, 0.7); }

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: var(--green-deep);
  color: white;
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: 0.2s ease;
  z-index: 30;
}
.toast.show { opacity: 1; transform: none; pointer-events: auto; }
.toast a { color: var(--gold-soft); margin-left: 8px; }

.sitemap a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
.en h1, .en h2 { font-family: var(--serif); }

@media (max-width: 900px) {
  .hero, .product, .feature, .recipe-layout, .checkout, .split-ways, .en-band, .foot-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 46px; }
  .hero-copy { padding: 36px 24px 10px; }
  .hero-visual img, .stage img { height: 360px; }
  .fact-row, .oil-grid, .shop-grid { grid-template-columns: 1fr 1fr; }
  .head-inner { flex-wrap: wrap; padding: 8px 0 12px; }
  .nav { gap: 14px; font-size: 14px; }
  .page-hero h1, .section h2 { font-size: 34px; }
}
@media (max-width: 640px) {
  .fact-row, .oil-grid, .shop-grid { grid-template-columns: 1fr; }
}