:root {
  --green: #24513d;
  --green-deep: #17392c;
  --cream: #f3efe6;
  --paper: #fbfaf7;
  --gold: #c9aa68;
  --red: #b94d3e;
  --ink: #202a24;
  --muted: #6d776f;
  --line: rgba(32, 42, 36, .16);
  --max: 1240px;
  --space: clamp(5rem, 10vw, 9rem);
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.7;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
figure { margin: 0; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  min-height: 78px; padding: 0 clamp(1.25rem, 4vw, 4rem);
  background: rgba(251, 250, 247, .95); border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.brand { display: flex; align-items: baseline; gap: .6rem; color: var(--green-deep); white-space: nowrap; }
.brand span { font-size: .74rem; letter-spacing: .16em; }
.brand strong { font: 600 1.22rem/1.1 Georgia, "Noto Serif SC", serif; letter-spacing: .08em; }
.site-nav { display: flex; align-items: center; gap: clamp(.9rem, 2vw, 2rem); color: #455249; font-size: .81rem; }
.site-nav a { position: relative; padding: .35rem 0; }
.site-nav a:not(.nav-buy)::after { position: absolute; right: 0; bottom: -5px; left: 0; height: 1px; background: var(--green); content: ""; transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav-buy { padding: .5rem .95rem !important; color: var(--paper); background: var(--green); border: 1px solid var(--green); border-radius: 999px; }
.nav-buy:hover { background: var(--green-deep); }
.menu-toggle { display: none; border: 0; background: none; color: var(--green); font: inherit; }

.hero { display: grid; grid-template-columns: minmax(0, .83fr) minmax(0, 1.17fr); min-height: min(780px, calc(100svh - 78px)); color: var(--paper); background: var(--green); }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(3rem, 8vw, 8rem) clamp(2rem, 7vw, 7rem); }
.hero h1 { margin: .4rem 0 1.6rem; font: 500 clamp(3.2rem, 7vw, 7.8rem)/1.08 Georgia, "Noto Serif SC", serif; letter-spacing: -.045em; }
.hero h1 em, .page-intro h1 em, h2 em { color: #d6bd83; font-style: normal; }
.hero-note { max-width: 19rem; margin: 0 0 2rem; color: rgba(251, 250, 247, .76); font-size: 1rem; }
.hero-image { min-height: 500px; }
.image-frame { position: relative; overflow: hidden; background: #d7ddd4; }
.image-frame img { position: absolute; inset: 0; transition: transform .75s cubic-bezier(.2, .7, .2, 1); }
.image-frame:hover img { transform: scale(1.035); }
.eyebrow { margin: 0 0 1.1rem; color: var(--gold); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 1.7rem; width: max-content; min-width: 10.5rem; padding: .78rem 1.05rem; border: 1px solid transparent; border-radius: 999px; font-size: .83rem; transition: background .25s ease, color .25s ease, transform .25s ease; }
.button:hover { transform: translateY(-2px); }
.button-light { color: var(--green-deep); background: var(--paper); }
.button-light:hover { background: #fff; }
.button-dark { color: var(--paper); background: var(--green); }
.button-dark:hover { background: var(--green-deep); }
.button-outline { color: var(--green); border-color: var(--green); background: transparent; }
.button-outline:hover { color: var(--paper); background: var(--green); }

.section { max-width: var(--max); margin: 0 auto; padding: var(--space) clamp(1.25rem, 4vw, 3rem); }
.section-label { display: flex; align-items: center; gap: .75rem; margin-bottom: 2.6rem; color: var(--muted); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; }
.section-label span:first-child { color: var(--red); font: 1.05rem Georgia, serif; letter-spacing: 0; }
.section-label.light { color: rgba(251, 250, 247, .57); }
.section-label.light span:first-child { color: #e3c272; }
.split-grid { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); align-items: center; gap: clamp(2rem, 7vw, 8rem); }
.split-grid > div:first-child, .other-preview-grid > div:first-child { padding-left: 6vw; }
.origin-section h2, .other-preview h2 { font-size: clamp(2.2rem, 4.4vw, 4.7rem); line-height: 1.15; font-weight: 500; letter-spacing: -.045em; }
.lead { max-width: 33rem; margin: 1.5rem 0 2rem; color: var(--muted); font-size: 1rem; }
.text-link { display: inline-flex; align-items: center; gap: .7rem; padding-bottom: .25rem; color: var(--green); border-bottom: 1px solid var(--green); font-size: .85rem; }
.section-dark { max-width: none; padding-right: clamp(1.25rem, 8vw, 9rem); padding-left: clamp(1.25rem, 8vw, 9rem); color: var(--paper); background: var(--green-deep); }
.section-dark .section-intro { color: rgba(251, 250, 247, .68); }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 3rem; max-width: var(--max); margin: 0 auto 3.8rem; }
.section-heading-row h2, .product-feature h2, .pack-proof h2 { margin: 0; font-size: clamp(2.2rem, 4vw, 4.6rem); font-weight: 500; line-height: 1.12; letter-spacing: -.045em; }
.section-intro { max-width: 22rem; margin: 0; color: var(--muted); font-size: .96rem; }
.image-strip { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 1rem; max-width: var(--max); margin: 0 auto; }
.image-strip .image-frame { min-height: clamp(280px, 36vw, 520px); }
.image-strip .offset { margin-top: 4.5rem; }
.evidence-section { max-width: none; background: var(--cream); }
.evidence-section > .section-label, .evidence-section > .section-heading-row, .evidence-grid { max-width: var(--max); margin-right: auto; margin-left: auto; }
.evidence-grid { display: grid; grid-template-columns: 1.35fr .8fr .8fr; gap: 1rem; }
.evidence-card { position: relative; display: block; min-height: 320px; overflow: hidden; background: #e5e2da; }
.evidence-card.large { min-height: 470px; }
.evidence-card img { object-fit: cover; }
.evidence-card span { position: absolute; right: 1rem; bottom: 1rem; padding: .35rem .6rem; color: var(--paper); background: rgba(22, 55, 43, .9); font-size: .74rem; }
.other-preview-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: clamp(2rem, 7vw, 8rem); }
.other-preview .image-frame { min-height: 500px; }
.closing-cta { padding: var(--space) 1.25rem; text-align: center; background: var(--cream); }
.closing-cta h2 { margin: 0 auto 2rem; font-size: clamp(2.7rem, 6vw, 6.8rem); font-weight: 500; line-height: 1.07; letter-spacing: -.05em; }
.cta-actions { display: flex; justify-content: center; gap: .8rem; flex-wrap: wrap; }
.compact { padding-bottom: calc(var(--space) * 1.2); }
.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.4rem clamp(1.25rem, 4vw, 4rem); color: #7b857e; background: var(--paper); border-top: 1px solid var(--line); font-size: .72rem; letter-spacing: .08em; }
.site-footer a { color: var(--green); }

.page-intro { max-width: var(--max); margin: 0 auto; padding: clamp(6rem, 13vw, 12rem) clamp(1.25rem, 4vw, 3rem) clamp(4rem, 8vw, 7rem); }
.page-intro h1 { max-width: 58rem; margin: 0; font: 500 clamp(3.3rem, 8vw, 8.4rem)/1.03 Georgia, "Noto Serif SC", serif; letter-spacing: -.06em; }
.intro-copy { max-width: 32rem; margin: 2.3rem 0 0 8vw; color: var(--muted); font-size: 1.02rem; }
.tall { min-height: 600px; }
.product-origin, .product-feature, .package-grid, .village-visual, .location-section, .other-feature { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: clamp(2rem, 8vw, 9rem); }
.product-origin-image { min-height: 600px; }
.product-origin-copy h2, .package-grid h2 { font-size: clamp(2.3rem, 4vw, 4.7rem); font-weight: 500; line-height: 1.1; letter-spacing: -.045em; }
.product-feature { grid-template-columns: .8fr 1.2fr; }
.feature-images { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 1rem; }
.feature-images .image-frame { min-height: 560px; }
.feature-images .small { min-height: 270px; }
.package-grid { align-items: start; }
.package-grid > .image-frame { min-height: 680px; }
.package-detail { height: 230px; margin-top: 2rem; }
.image-mosaic { display: grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 1rem; max-width: var(--max); margin: 0 auto; }
.image-mosaic .image-frame { min-height: 300px; }
.image-mosaic .wide { grid-column: span 2; min-height: 420px; }
.certificate-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; max-width: var(--max); margin: 0 auto; }
.certificate-card { display: block; background: var(--cream); }
.certificate-card img { height: 360px; padding: 1rem; object-fit: contain; }
.certificate-card span { display: block; padding: 1rem; color: var(--green); font-size: .76rem; }
.pack-proof { max-width: none; background: var(--cream); }
.pack-proof > .section-heading-row, .pack-proof > .split-grid { max-width: var(--max); margin-right: auto; margin-left: auto; }
.pack-proof .split-grid { grid-template-columns: 1fr 1fr; padding: 0; }
.pack-proof .image-frame { min-height: 480px; }
.data-band { padding: clamp(3.5rem, 7vw, 6rem) 1.25rem; color: var(--paper); text-align: center; background: var(--green); }
.data-band .eyebrow { color: #ddc37f; }
.stat-row { display: flex; justify-content: center; gap: clamp(2rem, 9vw, 8rem); flex-wrap: wrap; }
.stat-row div { display: flex; flex-direction: column; gap: .25rem; }
.stat-row strong { font: 500 clamp(2.2rem, 5vw, 4.5rem) Georgia, serif; }
.stat-row span { color: rgba(251, 250, 247, .7); font-size: .76rem; letter-spacing: .12em; }
.village-visual { grid-template-columns: 1.4fr .6fr; align-items: end; }
.village-visual .wide { min-height: 620px; }
.village-caption { padding-bottom: 1rem; }
.village-strip .image-frame { min-height: 500px; }
.location-section { grid-template-columns: .8fr 1.2fr; }
.location-section h2 { font-size: clamp(2.5rem, 5vw, 5.5rem); font-weight: 500; line-height: 1.08; }
.map-card { position: relative; display: flex; flex-direction: column; justify-content: end; min-height: 350px; padding: 2rem; overflow: hidden; color: var(--green-deep); background: linear-gradient(135deg, #e6dfd3 0 18%, transparent 18% 21%, #d7dfd7 21% 48%, transparent 48% 50%, #e9e2d6 50% 72%, #cfdacc 72%); }
.map-card::before { position: absolute; inset: 14% 26% 18% 10%; border: 1px solid rgba(22, 55, 43, .24); border-radius: 50%; content: ""; transform: rotate(-20deg); }
.map-card span, .map-card strong { position: relative; }
.map-card span { font-size: .73rem; letter-spacing: .14em; }
.map-card strong { font: 500 2.5rem Georgia, "Noto Serif SC", serif; }
.map-card i { position: absolute; top: 1.5rem; right: 1.5rem; font-style: normal; font-size: 1.4rem; }
.other-feature .image-frame { min-height: 620px; }
.other-feature h2, .note-section h2 { font-size: clamp(2.4rem, 5vw, 5.2rem); font-weight: 500; line-height: 1.08; letter-spacing: -.05em; }
.note-section { padding-top: 4rem; padding-bottom: var(--space); border-top: 1px solid var(--line); }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }
.hero[data-reveal], .page-intro[data-reveal] { opacity: 1; transform: none; }

@media (max-width: 920px) {
  .site-header { min-height: 68px; }
  .menu-toggle { display: block; cursor: pointer; }
  .site-nav { position: absolute; top: 68px; right: 1rem; left: 1rem; display: none; flex-direction: column; align-items: stretch; gap: .35rem; padding: 1rem; background: var(--paper); border: 1px solid var(--line); box-shadow: 0 14px 32px rgba(20, 45, 33, .1); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .7rem .4rem; }
  .nav-buy { text-align: center; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { min-height: 500px; padding: 5rem 1.25rem; }
  .hero-image { min-height: 52vh; }
  .split-grid, .other-preview-grid, .product-origin, .product-feature, .package-grid, .village-visual, .location-section, .other-feature { grid-template-columns: 1fr; gap: 2.6rem; }
  .split-grid > div:first-child, .other-preview-grid > div:first-child { padding-left: 0; }
  .section-heading-row { display: block; }
  .section-intro { margin-top: 1.5rem; }
  .image-strip, .evidence-grid, .image-mosaic, .certificate-grid { grid-template-columns: 1fr 1fr; }
  .image-strip .offset { margin-top: 0; }
  .evidence-card.large, .image-mosaic .wide { min-height: 320px; }
  .other-preview .image-frame, .product-origin-image, .package-grid > .image-frame, .village-visual .wide, .other-feature .image-frame { min-height: 420px; }
  .feature-images { grid-template-columns: 1fr 1fr; }
  .feature-images .image-frame { min-height: 380px; }
  .feature-images .small { min-height: 220px; }
  .pack-proof .split-grid { padding: 0; }
  .page-intro { padding-top: 6rem; }
  .intro-copy { margin-left: 0; }
  .tall { min-height: 460px; }
}
@media (max-width: 560px) {
  .brand span { font-size: .66rem; }
  .brand strong { font-size: 1.05rem; }
  .hero h1 { font-size: 3.3rem; }
  .section { padding-top: 5.2rem; padding-bottom: 5.2rem; }
  .image-strip, .evidence-grid, .image-mosaic, .certificate-grid { grid-template-columns: 1fr; }
  .image-strip .image-frame, .evidence-card.large, .evidence-card, .image-mosaic .image-frame, .image-mosaic .wide { min-height: 320px; }
  .hero-copy { min-height: 460px; }
  .hero-image { min-height: 380px; }
  .page-intro h1 { font-size: 3.4rem; }
  .product-origin-image, .package-grid > .image-frame, .other-feature .image-frame, .village-visual .wide { min-height: 340px; }
  .feature-images { grid-template-columns: 1fr; }
  .feature-images .image-frame, .feature-images .small { min-height: 340px; }
  .site-footer { display: block; line-height: 2; }
  .site-footer span { display: block; }
  .stat-row { justify-content: flex-start; }
  .stat-row div { min-width: 40%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  [data-reveal] { opacity: 1; transform: none; }
}
