* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
:root {
  --bg: #f6f1ea;
  --bg-soft: #efe7dc;
  --white: #ffffff;
  --text: #241b17;
  --muted: #5f5148;
  --brand: #8f243f;
  --brand-dark: #741d33;
  --line: #ddd0c4;
  --shadow: 0 16px 36px rgba(22, 14, 9, 0.08);
  --shadow-soft: 0 10px 24px rgba(22, 14, 9, 0.06);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang HK", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
}
a { color: inherit; text-decoration: none; }
img { width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.align-start { align-items: start; }
.eyebrow {
  display: inline-block; padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--brand); background: rgba(255,255,255,.72); font-size: 13px; line-height: 1; margin-bottom: 18px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-width: 128px; padding: 13px 24px;
  border-radius: 999px; font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: .25s ease;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-secondary { background: rgba(255,255,255,.86); border: 1px solid var(--line); color: var(--text); }
.btn-secondary:hover { background: #fff; }
.btn-full { width: 100%; }
.site-header {
  position: sticky; top: 0; z-index: 40; background: rgba(246,241,234,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(36,27,23,.06);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-en { font-size: 22px; font-weight: 700; }
.brand-divider { width: 1px; height: 18px; background: rgba(36,27,23,.18); }
.brand-zh { font-size: 18px; font-weight: 600; }
.nav-links { display: flex; flex-wrap: wrap; gap: 22px; }
.nav-links a { font-size: 15px; color: #4b4039; }
.nav-links a:hover { color: var(--brand); }
.hero-grid, .split-layout, .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.split-layout--reverse { direction: rtl; }
.split-layout--reverse > * { direction: ltr; }
.hero-copy h1, .section-heading h2, .section-copy h2 {
  margin: 0 0 18px; font-size: clamp(40px, 5vw, 68px); line-height: 1.08; letter-spacing: -0.03em;
}
.section-copy h2 { font-size: clamp(34px, 4vw, 56px); }
.hero-text, .section-heading p, .section-copy p, .product-content p, .contact-list li { color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-visual img, .section-visual img, .ingredient-main img, .ingredient-strip img, .product-media img, .share-card img, .culture-grid img, .visual-grid img {
  border-radius: var(--radius-xl); box-shadow: var(--shadow); object-fit: cover;
}
.hero-visual img { aspect-ratio: 4 / 5; }
.section-heading { max-width: 860px; margin: 0 auto 44px; text-align: center; }
.card-surface, .contact-panel, .product-card {
  background: rgba(255,255,255,.84); border: 1px solid rgba(36,27,23,.06); border-radius: 24px; box-shadow: var(--shadow);
}
.card-surface, .contact-panel { padding: 30px; }
.tall-visual img { aspect-ratio: 4 / 5; }
.wide-visual img { aspect-ratio: 4 / 3; }
.ingredient-layout {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start;
}
.ingredient-main img { aspect-ratio: 4 / 5; }
.ingredient-side h3, .culture-copy h3 { margin: 0 0 14px; font-size: 30px; line-height: 1.2; }
.ingredient-strip { grid-column: 1 / 3; }
.ingredient-strip img { aspect-ratio: 16 / 6; }
.bullet-list { margin: 20px 0 0; padding-left: 22px; color: var(--muted); }
.bullet-list li { margin-bottom: 8px; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.product-card { overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: 0 20px 42px rgba(22,14,9,.1); }
.product-media img { aspect-ratio: 4 / 5; border-radius: 0; box-shadow: none; }
.product-content { padding: 22px 22px 28px; }
.product-label { margin: 0 0 10px; color: var(--brand); font-size: 13px; }
.product-content h3 { margin: 0 0 12px; font-size: 20px; }
.sharing-visual { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; }
.share-card img { aspect-ratio: 4 / 5; }
.share-card--tall img { aspect-ratio: 4 / 6; }
.culture-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; align-items: start;
}
.culture-main { grid-row: span 2; }
.culture-main img { aspect-ratio: 4 / 5; }
.culture-copy { min-height: 100%; }
.culture-grid > figure:nth-of-type(2) img,
.culture-grid > figure:nth-of-type(3) img,
.culture-grid > figure:nth-of-type(4) img { aspect-ratio: 4 / 4; }
.visual-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.visual-grid img { aspect-ratio: 4 / 5; }
.contact-form { display: grid; gap: 16px; }
.contact-form label { display: grid; gap: 8px; font-size: 14px; color: #4f443d; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; font-size: 14px;
  background: #fffdfb; color: var(--text); outline: none;
}
.contact-form textarea { resize: vertical; min-height: 126px; }
.form-msg { margin: 2px 0 0; min-height: 22px; font-size: 14px; color: var(--brand); }
.site-footer { background: #171717; color: rgba(255,255,255,.84); padding: 64px 0 28px; }
.footer-inner {
  width: min(1180px, calc(100% - 48px)); margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px;
}
.footer-brand h3, .footer-links h4, .footer-contact h4 { margin: 0 0 14px; color: #fff; }
.footer-tagline { margin: 0 0 12px; color: #f1d7c6; }
.footer-desc { margin: 0; color: rgba(255,255,255,.7); }
.footer-links ul, .footer-contact ul, .contact-list { list-style: none; padding: 0; }
.footer-links li, .footer-contact li { margin-bottom: 10px; }
.footer-bottom {
  width: min(1180px, calc(100% - 48px)); margin: 30px auto 0; padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  color: rgba(255,255,255,.58); font-size: 13px;
}
.age-gate { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 1000; }
.age-gate__backdrop { position: absolute; inset: 0; background: rgba(20,16,14,.74); }
.age-gate__card {
  position: relative; width: min(460px, 100%); background: var(--white); border-radius: 24px; padding: 30px 24px;
  text-align: center; box-shadow: 0 18px 50px rgba(0,0,0,.18);
}
.age-gate__actions { display: flex; justify-content: center; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.whatsapp-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 35; background: #1da851; color: #fff; padding: 14px 18px;
  border-radius: 999px; font-size: 14px; font-weight: 700; box-shadow: 0 12px 30px rgba(29,168,81,.32);
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (max-width: 1024px) {
  .hero-grid, .split-layout, .contact-grid, .product-grid, .footer-inner, .culture-grid, .ingredient-layout, .visual-grid { grid-template-columns: 1fr; }
  .sharing-visual { grid-template-columns: 1fr 1fr; }
  .ingredient-strip { grid-column: auto; }
}
@media (max-width: 768px) {
  .container, .footer-inner, .footer-bottom { width: min(100% - 32px, 1180px); }
  .nav { flex-direction: column; align-items: flex-start; padding: 16px 0; }
  .nav-links { gap: 14px; }
  .section { padding: 72px 0; }
  .hero-copy h1, .section-heading h2, .section-copy h2 { font-size: 40px; }
  .sharing-visual { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .whatsapp-float { right: 16px; bottom: 16px; }
}
