:root {
  --green-950: #0e1f16;
  --green-900: #14291d;
  --green-800: #1b3a28;
  --green-700: #234d34;
  --green-600: #2f6445;
  --green-500: #3d7c57;
  --green-100: #e4efe7;
  --green-50: #f1f6f2;
  --cream: #faf7f0;
  --paper: #ffffff;
  --gold: #b98a3e;
  --gold-light: #d7b577;
  --gold-pale: #f3e8d3;
  --ink: #1d2a22;
  --muted: #5f6f66;
  --line: #e4e2da;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  --shadow-sm: 0 2px 10px rgba(20, 41, 29, 0.07);
  --shadow-md: 0 10px 30px rgba(20, 41, 29, 0.10);
  --shadow-lg: 0 20px 50px rgba(20, 41, 29, 0.16);
  --radius: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--green-700); text-decoration: none; }
a:hover { color: var(--green-500); }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.35; font-weight: 600; }
p { margin-bottom: 0.8rem; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section-tint { background: linear-gradient(180deg, var(--green-50), var(--cream)); }
.center-btn { text-align: center; margin-top: 36px; }
.kicker {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.sec-head h2 { font-size: clamp(28px, 3.4vw, 40px); color: var(--green-900); }
.sec-head h2::after {
  content: "";
  display: block;
  width: 52px;
  height: 3px;
  margin: 18px auto 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
}
.sec-sub { color: var(--muted); margin-top: 12px; font-size: 15px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-gold { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: #fff; box-shadow: 0 8px 20px rgba(185, 138, 62, 0.35); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(185, 138, 62, 0.45); color: #fff; }
.btn-dark { background: var(--green-800); color: #fff; }
.btn-dark:hover { background: var(--green-700); transform: translateY(-2px); color: #fff; }
.btn-outline { border-color: var(--green-700); color: var(--green-800); background: transparent; }
.btn-outline:hover { background: var(--green-800); color: #fff; }
.btn-ghost { border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: #fff; }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(20, 41, 29, 0.08); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 46px; height: 46px; object-fit: contain; border-radius: 50%; box-shadow: 0 0 0 2px var(--gold-pale); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--serif); font-size: 22px; color: var(--green-900); letter-spacing: 0.06em; }
.brand-text em { font-style: normal; font-size: 11px; color: var(--gold); letter-spacing: 0.18em; }
.site-nav { margin-left: auto; }
.site-nav ul { display: flex; gap: 4px; }
.site-nav a {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  color: var(--ink);
  border-radius: 8px;
  transition: all 0.2s;
}
.site-nav a:hover { color: var(--green-700); background: var(--green-50); }
.site-nav a.active { color: var(--green-800); background: var(--green-100); font-weight: 600; }
.header-cta { margin-left: 4px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--green-900); border-radius: 2px; transition: 0.25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  background:
    radial-gradient(1100px 520px at 78% 18%, rgba(215, 181, 119, 0.22), transparent 60%),
    radial-gradient(900px 600px at 10% 90%, rgba(61, 124, 87, 0.35), transparent 65%),
    linear-gradient(135deg, var(--green-950) 0%, var(--green-800) 55%, var(--green-700) 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    radial-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 34px 34px, 68px 68px;
  background-position: 0 0, 17px 17px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  padding-top: 92px;
  padding-bottom: 128px;
}
.hero-kicker {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--gold-light);
  border: 1px solid rgba(215, 181, 119, 0.45);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.22;
  margin-bottom: 22px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.hero-lead { font-size: 17px; color: rgba(255, 255, 255, 0.88); margin-bottom: 30px; line-height: 1.9; }
.hero-lead strong { color: var(--gold-light); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 6px 13px;
  border-radius: 999px;
}
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-product {
  width: min(430px, 92%);
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.45));
  animation: float 6s ease-in-out infinite;
}
.hero-seal {
  position: absolute;
  top: 2%;
  right: 4%;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 25%, #f0ddb6, var(--gold) 70%);
  color: #4a2f0a;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
  border: 3px solid rgba(255, 245, 220, 0.75);
  outline: 1px dashed rgba(74, 47, 10, 0.5);
  outline-offset: 4px;
  animation: float 6s ease-in-out infinite 0.8s;
}
.hero-seal span { font-family: var(--serif); font-size: 19px; font-weight: 700; letter-spacing: 0.08em; }
.hero-seal em { font-style: normal; font-size: 8.5px; letter-spacing: 0.14em; margin-top: 2px; }
.hero-wave {
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 64px;
  background: var(--cream);
  clip-path: ellipse(120% 100% at 50% 100%);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---------- Stats ---------- */
.stats-band { background: var(--green-900); color: #fff; position: relative; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 44px 24px;
  text-align: center;
}
.stat strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(30px, 3.4vw, 44px);
  color: var(--gold-light);
  line-height: 1.2;
}
.stat span { font-size: 14px; color: rgba(255, 255, 255, 0.78); letter-spacing: 0.06em; }
.stat + .stat { border-left: 1px solid rgba(255, 255, 255, 0.12); }

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--gold-pale); }
.feature-card .fi {
  position: absolute;
  top: 12px;
  right: 18px;
  font-family: var(--serif);
  font-size: 52px;
  font-weight: 700;
  color: rgba(20, 41, 29, 0.06);
  line-height: 1;
}
.feature-card h3 { font-size: 19px; color: var(--green-900); margin-bottom: 10px; }
.feature-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 0; }

/* ---------- Product sections ---------- */
.product-featured {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
  background: var(--paper);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 40px;
}
.pf-visual { position: relative; background: linear-gradient(160deg, var(--green-100), var(--cream)); min-height: 420px; display: flex; align-items: center; justify-content: center; }
.pf-visual img { width: 82%; max-height: 460px; object-fit: contain; }
.pf-badge {
  position: absolute;
  top: 22px;
  left: 22px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(185, 138, 62, 0.4);
}
.pf-copy { padding: 48px 48px 48px 0; }
.pf-copy h3 { font-size: 32px; color: var(--green-900); margin-bottom: 14px; }
.pf-lead { color: var(--muted); font-size: 15.5px; }
.pf-points { margin: 18px 0 26px; }
.pf-points li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 9px;
  font-size: 15px;
}
.pf-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
}
.pf-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.sku-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sku-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  transition: all 0.3s ease;
}
.sku-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.sku-card img { width: 100%; max-width: 200px; margin: 0 auto 14px; border-radius: 10px; }
.sku-card h4 { font-size: 20px; color: var(--green-900); }
.sku-card p { color: var(--muted); font-size: 13.5px; margin-bottom: 6px; }
.sku-card strong { color: var(--gold); font-size: 19px; font-family: var(--serif); }

/* ---------- Product grid / cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.product-img { position: relative; background: linear-gradient(160deg, var(--green-50), #fff); padding: 26px; display: flex; align-items: center; justify-content: center; }
.product-img img { width: 100%; max-width: 250px; aspect-ratio: 1; object-fit: contain; }
.badge-main {
  position: absolute;
  top: 14px;
  left: 14px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
}
.product-info { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.product-series { font-size: 12.5px; color: var(--gold); letter-spacing: 0.1em; margin-bottom: 4px; }
.product-info h3 { font-size: 21px; color: var(--green-900); margin-bottom: 8px; }
.product-desc {
  font-size: 13.5px;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.product-feats { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.product-feats li { font-size: 12px; color: var(--green-700); background: var(--green-50); border: 1px solid var(--green-100); padding: 3px 10px; border-radius: 999px; }
.product-meta { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 16px; }
.price { font-family: var(--serif); font-size: 24px; color: var(--green-800); font-weight: 700; }
.price em { font-style: normal; font-size: 13px; color: var(--muted); font-family: var(--sans); }
.net { font-size: 12.5px; color: var(--muted); }
.product-info .btn { align-self: flex-start; margin-top: auto; }

/* ---------- Honors ---------- */
.honor-strip { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.honor-mini {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
  transition: all 0.3s ease;
}
.honor-mini:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.honor-mini img { height: 120px; object-fit: contain; margin: 0 auto 10px; }
.honor-mini span { font-size: 12.5px; color: var(--muted); }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.cert-card img { width: 100%; height: 230px; object-fit: contain; background: #fff; padding: 14px; }
.cert-card figcaption { padding: 14px 16px 16px; border-top: 1px solid var(--line); }
.cert-card h3 { font-size: 15px; color: var(--green-900); margin-bottom: 4px; }
.cert-card p { font-size: 12px; color: var(--muted); margin-bottom: 0; }
.award-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.award-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: 10px;
  padding: 22px 24px;
  transition: all 0.3s ease;
}
.award-card:hover { box-shadow: var(--shadow-sm); transform: translateX(3px); }
.award-card h3 { font-size: 17px; color: var(--green-900); margin-bottom: 6px; }
.award-card p { font-size: 13.5px; color: var(--muted); margin: 0; }
.tip-note {
  margin-top: 28px;
  padding: 14px 18px;
  background: var(--gold-pale);
  border-radius: 10px;
  font-size: 13px;
  color: #6d5323;
}
.tip-note a { color: var(--green-700); text-decoration: underline; }

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.news-img { overflow: hidden; }
.news-img img { width: 100%; height: 100%; min-height: 190px; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-img img { transform: scale(1.05); }
.news-body { padding: 22px 24px; display: flex; flex-direction: column; }
.news-meta { font-size: 12.5px; color: var(--gold); letter-spacing: 0.06em; margin-bottom: 6px; }
.news-body h3 { font-size: 18px; line-height: 1.45; margin-bottom: 8px; }
.news-body h3 a { color: var(--green-900); }
.news-body h3 a:hover { color: var(--green-600); }
.news-body p { font-size: 13.5px; color: var(--muted); margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq-section { background: var(--paper); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 12px;
  background: #fff;
  overflow: hidden;
  transition: box-shadow 0.25s;
}
.faq-item[open] { box-shadow: var(--shadow-sm); border-color: var(--gold-pale); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--green-900);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i {
  width: 28px;
  height: 28px;
  flex: none;
  border-radius: 50%;
  background: var(--green-50);
  position: relative;
  transition: transform 0.3s;
}
.faq-item summary i::before, .faq-item summary i::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1.8px;
  background: var(--green-700);
  transform: translate(-50%, -50%);
}
.faq-item summary i::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] summary i { transform: rotate(45deg); background: var(--gold-pale); }
.faq-body { padding: 0 22px 20px; color: var(--muted); font-size: 14.5px; }

/* ---------- CTA ---------- */
.cta-section { background: var(--green-900); color: #fff; }
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-inner .kicker { color: var(--gold-light); }
.cta-inner h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 8px; }
.cta-inner p { color: rgba(255, 255, 255, 0.82); margin: 0; }

/* ---------- Page hero (inner) ---------- */
.page-hero {
  background:
    radial-gradient(800px 300px at 85% 0%, rgba(215, 181, 119, 0.16), transparent 60%),
    linear-gradient(160deg, var(--green-900), var(--green-800));
  color: #fff;
  padding: 76px 0 68px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 14px; }
.page-hero p { color: rgba(255, 255, 255, 0.85); max-width: 720px; margin: 0 auto; }
.page-hero-green { background: radial-gradient(700px 260px at 15% 0%, rgba(215, 181, 119, 0.2), transparent 55%), linear-gradient(160deg, #16301f, var(--green-800)); }
.page-hero-article { padding: 64px 0 56px; }
.page-hero-article .kicker { color: var(--gold-light); }
.article-org { font-size: 13px; opacity: 0.75; margin-top: 16px !important; }

/* ---------- Product detail ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: start;
}
.pd-visual { position: sticky; top: 96px; }
.pd-visual > img {
  width: 100%;
  background: linear-gradient(160deg, var(--green-100), #fff);
  border-radius: 18px;
  padding: 26px;
  box-shadow: var(--shadow-md);
}
.pd-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 14px; }
.pd-thumbs img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); cursor: pointer; transition: 0.2s; }
.pd-thumbs img:hover { border-color: var(--gold); }
.pd-info .kicker { color: var(--gold); }
.pd-info h2 { font-size: 32px; color: var(--green-900); margin-bottom: 12px; }
.pd-lead { color: var(--muted); font-size: 15.5px; }
.pd-points { margin: 20px 0; }
.pd-points li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 11px;
  font-size: 14.5px;
  color: var(--ink);
}
.pd-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-weight: 700;
}
.pd-points strong { color: var(--green-800); }
.pd-specs { margin: 24px 0; overflow-x: auto; }
.pd-specs table, .article-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.pd-specs th, .pd-specs td, .article-table th, .article-table td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.pd-specs th, .article-table th { background: var(--green-50); color: var(--green-900); font-weight: 600; }
.pd-specs tr:nth-child(even) td, .article-table tr:nth-child(even) td { background: #fbfbf8; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Trust / brewing / audience ---------- */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trust-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  transition: all 0.3s;
}
.trust-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.trust-card img { height: 150px; object-fit: contain; margin: 0 auto 12px; }
.trust-card h3 { font-size: 16px; color: var(--green-900); margin-bottom: 6px; }
.trust-card p { font-size: 12.5px; color: var(--muted); margin: 0; }
.brew-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.brew-step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  position: relative;
}
.brew-step > span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-700), var(--green-600));
  color: #fff;
  font-family: var(--serif);
  font-size: 19px;
  margin-bottom: 14px;
}
.brew-step h3 { font-size: 18px; color: var(--green-900); margin-bottom: 8px; }
.brew-step p { font-size: 13.5px; color: var(--muted); margin: 0; }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.audience-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green-600);
  border-radius: 10px;
  padding: 20px 22px;
}
.audience-card h3 { font-size: 16.5px; color: var(--green-900); margin-bottom: 6px; }
.audience-card p { font-size: 13px; color: var(--muted); margin: 0; }

/* ---------- About ---------- */
.home-garden {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hg-visual { position: relative; }
.hg-visual img { border-radius: 18px; box-shadow: var(--shadow-lg); width: 100%; }
.hg-caption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(20, 41, 29, 0.82);
  color: #fff;
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  letter-spacing: 0.06em;
}
.hg-copy .kicker { color: var(--gold); }
.hg-copy h2 { font-size: 30px; color: var(--green-900); margin-bottom: 16px; }
.hg-copy p { color: var(--muted); font-size: 15px; }
.garden-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.garden-item { margin: 0; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-sm); }
.garden-item img { width: 100%; height: 210px; object-fit: cover; transition: transform 0.5s ease; }
.garden-item:hover img { transform: scale(1.05); }
.factory-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.factory-item {
  margin: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.factory-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.factory-item img { width: 100%; height: 220px; object-fit: cover; }
.factory-item figcaption { padding: 12px 16px; font-size: 14px; color: var(--green-900); font-weight: 600; }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.video-card {
  margin: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.video-card video { width: 100%; height: 260px; object-fit: cover; background: #0f1d15; display: block; }
.video-card figcaption { padding: 12px 16px; font-size: 14.5px; color: var(--green-900); font-weight: 600; }
.about-intro { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.about-copy .kicker { color: var(--gold); }
.about-copy h2 { font-size: 30px; color: var(--green-900); margin-bottom: 16px; }
.about-copy p { color: var(--muted); font-size: 15px; }
.about-img img { border-radius: 18px; box-shadow: var(--shadow-lg); }
.about-img-wide img { border-radius: 18px; margin-top: 48px; box-shadow: var(--shadow-md); max-height: 480px; width: 100%; object-fit: cover; }
.geo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.geo-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  transition: 0.3s;
}
.geo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.geo-card h3 { font-size: 16.5px; color: var(--green-900); margin-bottom: 8px; }
.geo-card p { font-size: 13px; color: var(--muted); margin: 0; }
.organic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.organic-item {
  display: flex;
  gap: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
}
.organic-item > span {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}
.organic-item h3 { font-size: 16px; color: var(--green-900); margin-bottom: 5px; }
.organic-item p { font-size: 13px; color: var(--muted); margin: 0; }
.pest-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pest-card {
  background: var(--paper);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  border: 1px solid var(--line);
  transition: 0.3s;
}
.pest-card img { width: 100%; height: 150px; object-fit: cover; border-radius: 8px; margin-bottom: 14px; }
.pest-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pest-card h3 { font-size: 17px; color: var(--green-900); margin-bottom: 8px; }
.pest-card p { font-size: 13px; color: var(--muted); margin: 0; }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.promise-card {
  background: linear-gradient(160deg, var(--green-900), var(--green-800));
  color: #fff;
  border-radius: 14px;
  padding: 30px;
  position: relative;
  overflow: hidden;
}
.promise-card::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(215, 181, 119, 0.15);
}
.promise-card span { font-size: 12px; letter-spacing: 0.2em; color: var(--gold-light); }
.promise-card h3 { font-size: 20px; margin: 8px 0 10px; }
.promise-card p { font-size: 13.5px; color: rgba(255, 255, 255, 0.82); margin: 0; }

/* ---------- Articles ---------- */
.article-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 44px; align-items: start; }
.article-body {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 44px 46px;
  box-shadow: var(--shadow-sm);
  font-size: 15.5px;
}
.article-body p { color: #33413a; margin-bottom: 1.1rem; }
.article-body h2 {
  font-size: 23px;
  color: var(--green-900);
  margin: 34px 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--green-100);
}
.article-body ul { list-style: disc; padding-left: 22px; margin-bottom: 1.1rem; }
.article-body li { margin-bottom: 7px; }
.article-body b, .article-body strong { color: var(--green-800); }
.article-body .article-table { margin: 18px 0 8px; }
.article-note {
  margin-top: 26px;
  padding: 16px 18px;
  background: var(--green-50);
  border-left: 4px solid var(--green-600);
  border-radius: 8px;
}
.article-note p { margin: 0; font-size: 13.5px; color: var(--muted); }
.article-aside { position: sticky; top: 96px; }
.article-aside h3 {
  font-size: 17px;
  color: var(--green-900);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--green-100);
}
.article-aside li { margin-bottom: 9px; font-size: 13.5px; }
.article-aside li a { color: var(--muted); }
.article-aside li a:hover { color: var(--green-700); }
.aside-cta {
  margin-top: 22px;
  background: linear-gradient(160deg, var(--green-900), var(--green-800));
  color: #fff;
  border-radius: 12px;
  padding: 22px;
}
.aside-cta h4 { font-size: 16px; margin-bottom: 6px; }
.aside-cta p { font-size: 13px; color: rgba(255, 255, 255, 0.8); margin-bottom: 14px; }

/* ---------- Contact ---------- */
.qr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 860px; margin: 0 auto; }
.qr-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 22px;
  text-align: center;
  transition: all 0.3s ease;
}
.qr-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.qr-card img { width: 180px; height: 180px; object-fit: contain; margin: 0 auto 16px; border-radius: 10px; border: 1px solid var(--line); }
.qr-card h3 { font-size: 17px; color: var(--green-900); margin-bottom: 6px; }
.qr-card p { font-size: 13px; color: var(--muted); margin: 0; }
.contact-wrap { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; align-items: start; }
.contact-info { background: linear-gradient(170deg, var(--green-900), var(--green-800)); color: #fff; border-radius: 16px; padding: 34px; }
.contact-info h2 { font-size: 24px; margin-bottom: 20px; }
.contact-list li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
}
.contact-list li span { color: rgba(255, 255, 255, 0.68); flex: none; }
.contact-list li a { color: var(--gold-light); }
.contact-note {
  margin-top: 24px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  padding: 20px;
}
.contact-note h3 { font-size: 16px; margin-bottom: 6px; color: var(--gold-light); }
.contact-note p { font-size: 13px; color: rgba(255, 255, 255, 0.82); margin: 0; }
.contact-form-wrap {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 34px;
  box-shadow: var(--shadow-sm);
}
.contact-form-wrap h2 { font-size: 24px; color: var(--green-900); margin-bottom: 22px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13.5px; font-weight: 600; color: var(--green-900); margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 14.5px;
  font-family: var(--sans);
  color: var(--ink);
  background: #fdfdfb;
  transition: border-color 0.2s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--green-600);
  background: #fff;
}
.form-tip { font-size: 12.5px; color: var(--muted); margin-top: 12px; text-align: center; }
.form-result {
  margin-top: 20px;
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: 12px;
  padding: 20px;
}
.form-result h3 { font-size: 17px; color: var(--green-900); margin-bottom: 6px; }
.form-result p { font-size: 13.5px; color: var(--muted); }
.form-result textarea {
  width: 100%;
  margin: 10px 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13.5px;
  background: #fff;
  resize: vertical;
}
.form-result-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-950); color: rgba(255, 255, 255, 0.75); padding: 60px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-col h3 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.footer-about p { font-size: 13.5px; color: rgba(255, 255, 255, 0.62); }
.footer-col ul li { margin-bottom: 9px; font-size: 14px; }
.footer-col ul a { color: rgba(255, 255, 255, 0.7); }
.footer-col ul a:hover { color: var(--gold-light); }
.footer-contact li { color: rgba(255, 255, 255, 0.7); }
.footer-contact a { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 24px 26px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.45);
  text-align: center;
}
.footer-bottom p { margin-bottom: 4px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; padding-top: 64px; padding-bottom: 90px; }
  .hero-copy { order: 1; }
  .hero-actions, .hero-tags { justify-content: center; }
  .hero-visual { order: 0; margin-top: 10px; }
  .hero-product { width: min(300px, 70%); }
  .hero-seal { top: 0; right: 8%; }
  .feature-grid, .product-grid, .organic-grid, .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .product-featured { grid-template-columns: 1fr; }
  .pf-copy { padding: 20px 32px 36px; }
  .pf-visual { min-height: 340px; }
  .honor-strip { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-grid, .geo-grid, .pest-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; }
  .pd-visual { position: static; }
  .about-intro, .contact-wrap { grid-template-columns: 1fr; }
  .home-garden { grid-template-columns: 1fr; }
  .garden-gallery, .factory-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid, .qr-grid { grid-template-columns: repeat(3, 1fr); }
  .article-wrap { grid-template-columns: 1fr; }
  .article-aside { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .stat:nth-child(3) { border-left: 0; }
}
@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: 12px 20px 20px;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 2px; }
  .site-nav a { padding: 12px 14px; font-size: 16px; }
  .nav-toggle { display: flex; margin-left: auto; }
  .header-cta { display: none; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card { grid-template-columns: 1fr; }
  .news-img img { min-height: 160px; }
  .sku-grid, .brew-grid, .audience-grid { grid-template-columns: 1fr; }
  .video-grid, .qr-grid { grid-template-columns: 1fr; }
  .garden-gallery, .factory-grid { grid-template-columns: repeat(2, 1fr); }
  .article-body { padding: 28px 22px; }
  .section { padding: 60px 0; }
}
@media (max-width: 560px) {
  .feature-grid, .product-grid, .organic-grid, .promise-grid,
  .cert-grid, .trust-grid, .geo-grid, .pest-grid, .award-grid,
  .garden-gallery, .factory-grid, .video-grid, .qr-grid { grid-template-columns: 1fr; }
  .honor-strip { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .container { padding: 0 18px; }
  .cta-inner { flex-direction: column; text-align: center; }
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .hero-product, .hero-seal { animation: none; }
}

/* ============================================================
   UI v2.0 视觉升级（Phase 1 视觉系统 + 首页首屏）
   基调：东方雅致 · 现代商务（延续深绿 × 米金，加强质感）
   ============================================================ */
:root {
  --cream: #f8f4ea;
  --paper: #fffdf8;
  --green-950: #0a1c13;
  --green-900: #12291c;
  --green-800: #1a3826;
  --green-700: #225032;
  --gold: #b8893b;
  --gold-deep: #96692c;
  --gold-light: #d8b878;
  --gold-pale: #f2e6cd;
  --ink: #1c2a21;
  --muted: #5d6b61;
  --line: #e5dfd2;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

body { background: var(--cream); }
h1, h2, h3, h4 { letter-spacing: 0.02em; }

/* ---------- 小标题与区块标题装饰 ---------- */
.kicker { letter-spacing: 0.32em; }
.kicker::before { content: "◆"; font-size: 9px; margin-right: 8px; vertical-align: 2px; color: var(--gold); }
.sec-head h2::after {
  width: 68px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold) 70%, transparent);
  position: relative;
}
.sec-head h2::after::before { content: ""; }

/* ---------- 页头升级 ---------- */
.site-header {
  background: rgba(255, 253, 248, 0.92);
  border-bottom: 1px solid var(--line);
}
.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold) 70%, transparent);
  opacity: 0.9;
}
.brand-logo {
  box-shadow: 0 0 0 2px var(--gold-pale), 0 0 0 4px rgba(184, 137, 59, 0.25);
}
.brand-text strong { letter-spacing: 0.14em; }
.brand-text em { letter-spacing: 0.22em; }
.site-nav a.active {
  color: var(--green-800);
  background: var(--gold-pale);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--gold);
}
.site-nav a:not(.active):hover { color: var(--green-800); background: rgba(184, 137, 59, 0.08); }
.header-cta { letter-spacing: 0.08em; }

/* ---------- 按钮升级 ---------- */
.btn { letter-spacing: 0.06em; }
.btn-gold {
  background: linear-gradient(135deg, #e2c389 0%, var(--gold) 55%, var(--gold-deep) 100%);
  box-shadow: 0 8px 22px rgba(150, 105, 44, 0.35);
}
.btn-gold:hover { box-shadow: 0 12px 28px rgba(150, 105, 44, 0.45); }
.btn-dark { background: linear-gradient(135deg, var(--green-700), var(--green-900)); }

/* ---------- 首页首屏 v2 ---------- */
.hero {
  min-height: min(92vh, 860px);
  display: flex;
  align-items: center;
  background:
    linear-gradient(100deg, rgba(10, 28, 19, 0.90) 0%, rgba(10, 28, 19, 0.74) 36%, rgba(10, 28, 19, 0.38) 70%, rgba(10, 28, 19, 0.16) 100%),
    url("../img/garden-05.jpg") center 32% / cover no-repeat;
}
.hero::before {
  opacity: 0.55;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    radial-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px);
}
.hero-inner {
  width: 100%;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 48px;
  padding-top: 112px;
  padding-bottom: 150px;
}
.hero-kicker {
  border-color: rgba(216, 184, 120, 0.55);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(6px);
  padding: 8px 18px;
}
.kicker-orn { font-size: 9px; color: var(--gold-light); margin: 0 4px; vertical-align: 2px; }
.hero h1 {
  font-size: clamp(40px, 5.2vw, 66px);
  letter-spacing: 0.05em;
  text-shadow: 0 6px 30px rgba(0, 0, 0, 0.35);
}
.hero h1 em { font-style: normal; color: var(--gold-light); }
.hero-lead { font-size: 18px; color: rgba(255, 255, 255, 0.9); }
.hero-tags li {
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(6px);
  border-color: rgba(255, 255, 255, 0.18);
}

/* 产品徽章圆环 */
.hero-medallion {
  position: relative;
  width: min(480px, 94%);
  aspect-ratio: 1;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.medallion-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 26%, rgba(255, 255, 255, 0.16), rgba(10, 28, 19, 0.58) 72%);
  border: 1px solid rgba(216, 184, 120, 0.55);
  box-shadow: inset 0 0 70px rgba(0, 0, 0, 0.38), 0 34px 80px rgba(0, 0, 0, 0.42);
}
.medallion-ring::before {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  border: 1px dashed rgba(216, 184, 120, 0.5);
}
.medallion-ring::after {
  content: "";
  position: absolute;
  inset: 28px;
  border-radius: 50%;
  border: 1px solid rgba(216, 184, 120, 0.26);
}
.hero-product {
  position: relative;
  z-index: 1;
  width: min(382px, 80%);
  filter: drop-shadow(0 26px 44px rgba(0, 0, 0, 0.52));
}
.hero-seal {
  z-index: 2;
  top: 5%;
  right: 7%;
  width: 104px;
  height: 104px;
}
.hero-badge {
  position: absolute;
  z-index: 2;
  bottom: 9%;
  left: 3%;
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: 0.14em;
  text-align: center;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(10, 28, 19, 0.55);
  border: 1px solid rgba(216, 184, 120, 0.45);
  border-radius: 10px;
  padding: 10px 16px;
  backdrop-filter: blur(6px);
}

/* 下滑指示 */
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  width: 24px;
  height: 42px;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  border-radius: 14px;
}
.hero-scroll span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 9px;
  margin-left: -2px;
  border-radius: 3px;
  background: var(--gold-light);
  animation: scrollDot 1.9s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { opacity: 0; transform: translateY(0); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translateY(16px); }
}

/* 首屏入场动画 */
.hero-copy > * { opacity: 0; animation: riseIn 0.9s var(--ease) forwards; }
.hero-copy > *:nth-child(1) { animation-delay: 0.06s; }
.hero-copy > *:nth-child(2) { animation-delay: 0.18s; }
.hero-copy > *:nth-child(3) { animation-delay: 0.30s; }
.hero-copy > *:nth-child(4) { animation-delay: 0.42s; }
.hero-copy > *:nth-child(5) { animation-delay: 0.54s; }
.hero-visual { opacity: 0; animation: riseIn 1s var(--ease) 0.32s forwards; }
@keyframes riseIn {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 数字条升级 ---------- */
.stats-band {
  position: relative;
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 36px 0;
}
.stats-band::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 140px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat strong {
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 600;
  color: var(--green-800);
  display: block;
  letter-spacing: 0.04em;
  line-height: 1.25;
}
.stat span { font-size: 13px; color: var(--muted); letter-spacing: 0.14em; }
.stat + .stat { border-left: 1px solid var(--line); }

/* ---------- 页脚升级 ---------- */
.site-footer { position: relative; }
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold) 70%, transparent);
}

/* ---------- 滚动渐入增强 ---------- */
.reveal { transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; padding-top: 76px; padding-bottom: 118px; }
  .hero-actions, .hero-tags { justify-content: center; }
  .hero-visual { margin-top: 36px; }
  .hero-medallion { width: min(360px, 84%); }
  .hero-product { width: min(290px, 76%); }
  .hero-seal { width: 84px; height: 84px; }
  .hero-badge { display: none; }
  .hero-scroll { display: none; }
}
@media (max-width: 560px) {
  .hero { min-height: auto; }
  .hero h1 { font-size: 34px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat + .stat { border-left: 0; }
  .stat:nth-child(even) { border-left: 1px solid var(--line); }
  .stat { padding: 8px 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-copy > *, .hero-visual, .hero-scroll span, .hero-product, .hero-seal { opacity: 1; animation: none; }
}

/* ============================================================
   资讯中心 3 列布局（2 行 × 3 列，上图下文卡片）
   ============================================================ */
.news-grid { grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card { display: flex; flex-direction: column; }
.news-img img { width: 100%; height: 175px; min-height: 175px; object-fit: cover; }
.news-body { padding: 20px 22px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 { font-size: 16.5px; line-height: 1.5; margin-bottom: 8px; }
.news-body p { font-size: 13.5px; color: var(--muted); margin-bottom: 0; }

@media (max-width: 960px) {
  .news-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .news-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   首屏文字排版精修（第二版）
   ============================================================ */
.hero-copy { position: relative; padding-left: 28px; }
.hero-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold-light) 0%, rgba(216, 184, 120, 0.25) 72%, transparent);
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 0;
  background: none;
  padding: 0;
  font-size: 12.5px;
  letter-spacing: 0.34em;
  color: var(--gold-light);
  backdrop-filter: none;
}
.hero-kicker::before,
.hero-kicker::after { content: ""; width: 26px; height: 1px; }
.hero-kicker::before { background: linear-gradient(90deg, transparent, rgba(216, 184, 120, 0.75)); }
.hero-kicker::after { background: linear-gradient(90deg, rgba(216, 184, 120, 0.75), transparent); }
.kicker-orn { display: none; }

.hero h1 { letter-spacing: 0.06em; line-height: 1.28; }
.hero-rule {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 2px 0 22px;
}
.hero-rule::before,
.hero-rule::after { content: ""; height: 1px; width: 44px; }
.hero-rule::before { background: linear-gradient(90deg, var(--gold-light), transparent); }
.hero-rule::after { background: linear-gradient(90deg, transparent, var(--gold-light)); }
.hero-rule span { width: 7px; height: 7px; transform: rotate(45deg); background: var(--gold-light); flex: none; }

.hero-lead { font-size: 17px; line-height: 2.05; color: rgba(255, 255, 255, 0.88); }
.lead-tag {
  display: inline-block;
  margin-left: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-light);
  border: 1px solid rgba(216, 184, 120, 0.5);
  border-radius: 999px;
  padding: 2px 11px;
  vertical-align: 2px;
}

.hero-tags { align-items: center; }
.hero-tags li {
  background: none;
  border: 0;
  padding: 0 14px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.78);
  backdrop-filter: none;
}
.hero-tags li + li { border-left: 1px solid rgba(216, 184, 120, 0.35); border-radius: 0; }

@media (max-width: 900px) {
  .hero-copy { padding-left: 0; text-align: center; }
  .hero-copy::before { display: none; }
  .hero-rule { justify-content: center; }
  .hero-rule::before, .hero-rule::after { width: 30px; }
}
@media (max-width: 560px) {
  .hero-tags { flex-wrap: wrap; }
  .hero-tags li { padding: 6px 10px; }
  .hero-tags li + li { border-left: 0; }
}

/* ============================================================
   Phase 3：品牌溯源页 / 画廊灯箱 / 荣誉筛选 / 文章阅读体验
   ============================================================ */
.trace-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.trace-img img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.trace-intro p { color: var(--muted); }
.trace-intro .btn { margin-top: 8px; }

.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 30px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold-light), rgba(216, 184, 120, 0.15));
}
.tl-item { position: relative; display: flex; gap: 26px; margin-bottom: 30px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--gold);
  box-shadow: 0 0 0 4px var(--gold-pale);
}
.tl-year { flex: none; width: 78px; font-family: var(--serif); font-size: 21px; color: var(--gold-deep); padding-top: 2px; }
.tl-card { flex: 1; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; transition: all 0.3s var(--ease); }
.tl-card:hover { border-color: var(--gold-pale); box-shadow: var(--shadow-sm); }
.tl-card h3 { font-size: 17px; margin-bottom: 6px; color: var(--green-900); }
.tl-card p { font-size: 14px; color: var(--muted); margin-bottom: 0; }

.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.flow-card { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; transition: all 0.3s var(--ease); }
.flow-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.flow-card img { width: 100%; height: 170px; object-fit: cover; }
.flow-card h3 { font-size: 17px; margin: 16px 18px 6px; color: var(--green-900); }
.flow-card p { font-size: 13.5px; color: var(--muted); margin: 0 18px 20px; }
.flow-num {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--serif);
  font-size: 15px;
  color: #fff;
  background: rgba(10, 28, 19, 0.72);
  border: 1px solid rgba(216, 184, 120, 0.5);
  border-radius: 999px;
  padding: 2px 11px;
  backdrop-filter: blur(4px);
}

.trace-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 30px; }
.trace-item { margin: 0; cursor: zoom-in; overflow: hidden; border-radius: 12px; }
.trace-item img { width: 100%; height: 210px; object-fit: cover; transition: transform 0.5s var(--ease); }
.trace-item:hover img { transform: scale(1.05); }

/* ---------- 画廊灯箱 ---------- */
.lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(8, 18, 13, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 24px;
}
.lb-overlay.open { display: flex; }
.lb-img { max-width: min(1080px, 92vw); max-height: 82vh; object-fit: contain; border-radius: 8px; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6); }
.lb-caption { color: rgba(255, 255, 255, 0.85); margin-top: 16px; font-size: 14px; letter-spacing: 0.06em; text-align: center; }
.lb-close, .lb-prev, .lb-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: rgba(255, 255, 255, 0.24); }
.lb-close { top: 22px; right: 22px; }
.lb-prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 22px; top: 50%; transform: translateY(-50%); }
.garden-item img, .cert-card img, .trace-item img { cursor: zoom-in; }
@media (max-width: 760px) {
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
}

/* ---------- 荣誉筛选 ---------- */
.filter-group { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 34px; }
.filter-group .chip {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--green-800);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 8px 17px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.filter-group .chip:hover { border-color: var(--gold); color: var(--gold-deep); }
.filter-group .chip.active {
  background: linear-gradient(135deg, #e2c389, var(--gold));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(150, 105, 44, 0.28);
}
.cert-card { cursor: zoom-in; }

/* ---------- 文章阅读体验 ---------- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--gold-light), var(--gold));
  z-index: 300;
}
.article-wrap { max-width: 860px; }
.article-body h2 {
  font-size: 26px;
  color: var(--green-900);
  margin: 40px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.article-body h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.article-body h3 { font-size: 19px; color: var(--green-800); margin: 28px 0 10px; }
.article-body p { line-height: 2; color: #35463b; margin-bottom: 18px; }
.article-body blockquote {
  border-left: 3px solid var(--gold);
  background: var(--gold-pale);
  padding: 14px 18px;
  margin: 20px 0;
  color: #5d4a22;
  border-radius: 0 10px 10px 0;
}
.article-body ul, .article-body ol { margin: 0 0 18px 1.4em; color: #35463b; line-height: 1.9; }
.article-toc {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 26px;
}
.article-toc h4 { font-size: 14px; letter-spacing: 0.18em; color: var(--gold-deep); margin-bottom: 10px; }
.article-toc a {
  display: inline-block;
  margin: 0 12px 6px 0;
  font-size: 13.5px;
  color: var(--green-700);
  border-bottom: 1px dashed transparent;
}
.article-toc a:hover { color: var(--gold-deep); border-bottom-color: var(--gold); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .trace-hero { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr 1fr; }
  .trace-gallery { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .flow-grid, .trace-gallery { grid-template-columns: 1fr; }
  .tl-item { flex-direction: column; gap: 8px; }
  .tl-year { width: auto; }
}

/* ============================================================
   文章页：正文占满宽度，相关资讯移至文末，字号加大
   ============================================================ */
.article-wrap { grid-template-columns: 1fr; }
.article-body { font-size: 16.5px; }
.article-body p { font-size: 16.5px; }
.article-aside {
  position: static;
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 12px 32px;
  align-items: start;
  padding: 24px 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.article-aside h3 { grid-column: 1; margin-bottom: 0; }
.article-aside ul { grid-column: 1; list-style: none; padding-left: 0; margin-bottom: 0; }
.article-aside .aside-cta { grid-column: 2; grid-row: 1 / span 2; }
@media (max-width: 720px) {
  .article-aside { grid-template-columns: 1fr; }
  .article-aside ul, .article-aside .aside-cta { grid-column: auto; grid-row: auto; }
}

/* ============================================================
   产品中心：2 卡区块居中（避免三列网格缺角）
   ============================================================ */
.product-grid.grid-center {
  grid-template-columns: repeat(2, minmax(0, 400px));
  justify-content: center;
}
@media (max-width: 960px) {
  .product-grid.grid-center { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .product-grid.grid-center { grid-template-columns: 1fr; }
}

/* ============================================================
   产品中心升级：系列导航 / 主推横幅 / 卡片细节
   ============================================================ */
#series-jihutang, #series-yuanshanhu, #series-nantai, #series-nantai-shi, #series-corp { scroll-margin-top: 132px; }

/* A. 系列导航 */
.series-nav {
  position: sticky;
  top: 74px;
  z-index: 90;
  background: rgba(248, 244, 234, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.series-nav-inner { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.series-nav .chip {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--green-800);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 8px 18px;
  border-radius: 999px;
  transition: all 0.25s var(--ease);
}
.series-nav .chip:hover {
  border-color: var(--gold);
  color: var(--gold-deep);
  background: var(--gold-pale);
}

/* B. 主推横幅 */
.featured-product { padding-top: 56px; }
.fp-wrap {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 48px;
  align-items: center;
  background: var(--paper);
  border: 1px solid rgba(184, 137, 59, 0.4);
  border-radius: 18px;
  padding: 40px 44px;
  box-shadow: 0 18px 50px rgba(20, 41, 29, 0.10);
  position: relative;
  overflow: hidden;
}
.fp-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold) 70%, transparent);
}
.fp-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.fp-img { width: min(360px, 90%); filter: drop-shadow(0 22px 36px rgba(20, 41, 29, 0.28)); }
.fp-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: #fff;
  background: linear-gradient(135deg, #e2c389, var(--gold));
  padding: 7px 16px;
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(150, 105, 44, 0.35);
}
.fp-info h2 { font-size: 32px; color: var(--green-900); margin-bottom: 12px; }
.fp-desc { color: var(--muted); line-height: 1.9; margin-bottom: 16px; max-width: 52ch; }
.fp-info .product-feats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.fp-info .product-feats li {
  font-size: 12.5px;
  color: var(--green-800);
  background: var(--green-50);
  border: 1px solid var(--line);
  padding: 5px 12px;
  border-radius: 999px;
}
.fp-meta { display: flex; align-items: baseline; gap: 16px; margin-bottom: 22px; }
.fp-meta .price { font-family: var(--serif); font-size: 30px; color: var(--gold-deep); font-weight: 600; }
.fp-meta .price em { font-style: normal; font-size: 14px; color: var(--muted); margin-left: 2px; }
.fp-meta .net { font-size: 13.5px; color: var(--muted); }
.fp-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* C. 卡片细节 */
.product-info { display: flex; flex-direction: column; flex: 1; }
.product-specs { display: flex; flex-wrap: wrap; gap: 6px; margin: 2px 0 12px; }
.product-specs span {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--green-700);
  background: var(--gold-pale);
  border: 1px solid rgba(184, 137, 59, 0.25);
  border-radius: 999px;
  padding: 3px 10px;
}
.product-meta { margin-top: auto; }
.product-actions { display: flex; gap: 8px; margin-top: 14px; }
.product-actions .btn { flex: 1; }
@media (hover: hover) and (pointer: fine) {
  .product-card .btn-call { display: none; }
  .product-card:hover .btn-call { display: inline-flex; }
}

/* 响应式 */
@media (max-width: 960px) {
  .fp-wrap { grid-template-columns: 1fr; text-align: center; padding: 34px 28px; }
  .fp-visual { margin-bottom: 8px; }
  .fp-info .product-feats, .fp-actions { justify-content: center; }
  .fp-desc { margin-left: auto; margin-right: auto; }
}
@media (max-width: 620px) {
  .series-nav { top: 62px; }
  .fp-img { width: min(280px, 86%); }
  .fp-info h2 { font-size: 26px; }
}

/* ============================================================
   产品中心：类型/系列筛选（E）+ 企业采购升级（D）
   ============================================================ */
.corp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.corp-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.corp-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.corp-img { overflow: hidden; }
.corp-img img { width: 100%; height: 190px; object-fit: cover; transition: transform 0.5s var(--ease); }
.corp-card:hover .corp-img img { transform: scale(1.05); }
.corp-card h3 { font-size: 18px; margin: 18px 20px 8px; color: var(--green-900); }
.corp-card p { font-size: 14px; color: var(--muted); margin: 0 20px 22px; }

@media (max-width: 900px) {
  .corp-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .corp-grid { grid-template-columns: 1fr; }
  .filter-row { gap: 6px; }
  .product-filter .chip { padding: 6px 12px; font-size: 12.5px; }
}