/* ============================================================
   果然鲜 · 全站样式
   Design tokens → base → layout → components → pages → motion
   ============================================================ */

:root {
  /* color */
  --green-900: #1d3a1f;
  --green-700: #2b5e2e;
  --green-600: #35793a;
  --green-500: #4c9a51;
  --green-100: #e4f0e2;
  --green-50:  #f1f7ef;
  --orange-600: #d9531e;
  --orange-500: #ef6b2c;
  --orange-100: #fdeadd;
  --cream: #fbf7ee;
  --paper: #fffdf8;
  --ink: #23301f;
  --muted: #5f6d5b;
  --line: #e7e2d4;

  /* type */
  --font-display: "Baloo 2", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Baloo 2", sans-serif;

  /* shape */
  --r-lg: 28px;
  --r-md: 20px;
  --r-sm: 12px;

  /* shadow */
  --sh-1: 0 2px 10px rgba(35, 48, 31, .06);
  --sh-2: 0 12px 34px rgba(35, 48, 31, .10);
  --sh-3: 0 24px 60px rgba(35, 48, 31, .16);

  --ease: cubic-bezier(.22, .8, .3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--green-900);
}

.container {
  width: min(1180px, 100% - 48px);
  margin-inline: auto;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 253, 248, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--sh-1);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}
.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--sh-1);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  color: var(--green-900);
  line-height: 1.1;
}
.brand-name small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--orange-500);
}
.main-nav { display: flex; gap: 6px; }
.main-nav a {
  position: relative;
  padding: 8px 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--muted);
  border-radius: 999px;
  transition: color .25s var(--ease), background .25s var(--ease);
}
.main-nav a:hover { color: var(--green-700); background: var(--green-50); }
.main-nav a.active { color: #fff; background: var(--green-600); }
.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--orange-600);
  white-space: nowrap;
}
.header-phone svg { flex: none; }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  width: 20px; height: 2px;
  background: var(--green-900);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--orange-500);
  color: #fff;
  box-shadow: 0 10px 24px rgba(239, 107, 44, .35);
}
.btn-primary:hover { background: var(--orange-600); transform: translateY(-2px); box-shadow: 0 16px 32px rgba(239, 107, 44, .42); }
.btn-ghost {
  background: rgba(255,255,255,.14);
  color: #fff;
  border-color: rgba(255,255,255,.55);
}
.btn-ghost:hover { background: rgba(255,255,255,.26); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--green-700);
  border-color: var(--green-600);
}
.btn-outline:hover { background: var(--green-600); color: #fff; transform: translateY(-2px); }

/* ---------- section scaffolding ---------- */
.section { padding: 96px 0; }
.section-tight { padding: 72px 0; }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--orange-500);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 3px;
  border-radius: 2px;
  background: var(--orange-500);
}
.section-head.center .eyebrow::after {
  content: "";
  width: 26px; height: 3px;
  border-radius: 2px;
  background: var(--orange-500);
}
.section-title { font-size: clamp(30px, 4vw, 44px); }
.section-desc { margin-top: 16px; color: var(--muted); font-size: 17px; }

/* ---------- hero (home) ---------- */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: heroDrift 18s var(--ease) forwards;
}
@keyframes heroDrift { to { transform: scale(1); } }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(78deg, rgba(20, 38, 16, .82) 8%, rgba(20, 38, 16, .45) 48%, rgba(20, 38, 16, .05) 78%);
}
.hero-content { max-width: 620px; padding: 96px 0; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  margin-bottom: 26px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .12em;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(6px);
}
.hero-tag i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #8be26d;
  box-shadow: 0 0 0 4px rgba(139, 226, 109, .25);
}
.hero h1 {
  font-size: clamp(40px, 5.6vw, 64px);
  color: #fff;
  letter-spacing: .01em;
}
.hero h1 em {
  font-style: normal;
  color: #ffb063;
}
.hero p {
  margin: 22px 0 38px;
  font-size: 18px;
  line-height: 1.9;
  color: rgba(255,255,255,.88);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- stats strip ---------- */
.stats-strip {
  position: relative;
  z-index: 2;
  margin-top: -64px;
}
.stats-card {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-2);
  overflow: hidden;
}
.stat-item {
  padding: 34px 24px;
  text-align: center;
}
.stat-item + .stat-item { border-left: 1px solid var(--line); }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.4vw, 44px);
  font-weight: 800;
  color: var(--green-700);
  line-height: 1.1;
}
.stat-num small { font-size: .55em; color: var(--orange-500); margin-left: 2px; }
.stat-label { margin-top: 6px; font-size: 15px; color: var(--muted); }

/* ---------- product cards ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-1);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--sh-3); }
.product-thumb {
  position: relative;
  aspect-ratio: 1 / .84;
  overflow: hidden;
}
.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.product-card:hover .product-thumb img { transform: scale(1.07); }
.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--orange-500);
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(239, 107, 44, .4);
}
.product-badge.green { background: var(--green-600); box-shadow: 0 6px 16px rgba(53, 121, 58, .4); }
.product-body { padding: 24px 26px 28px; }
.product-name { font-size: 21px; }
.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 10px 0 12px;
  font-size: 14px;
  color: var(--muted);
}
.product-meta b { color: var(--orange-600); font-weight: 700; }
.product-desc { font-size: 15px; color: var(--muted); line-height: 1.7; }

/* ---------- feature cards ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 34px 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-2);
  border-color: var(--green-500);
}
.feature-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 20px;
  border-radius: 18px;
  background: var(--green-100);
  color: var(--green-700);
}
.feature-card:nth-child(even) .feature-icon { background: var(--orange-100); color: var(--orange-600); }
.feature-card h3 { font-size: 20px; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--muted); line-height: 1.75; }

/* ---------- split section ---------- */
.split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.reverse { grid-template-columns: 1fr 1.05fr; }
.split-media { position: relative; }
.split-media img {
  width: 100%;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-2);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.split-media .float-chip {
  position: absolute;
  right: -18px;
  bottom: 32px;
  padding: 18px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-2);
}
.float-chip .num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  color: var(--orange-500);
  line-height: 1.1;
}
.float-chip .txt { font-size: 13px; color: var(--muted); }
.split-body h2 { font-size: clamp(28px, 3.4vw, 40px); }
.split-body > p { margin: 18px 0 8px; color: var(--muted); }
.check-list { margin: 22px 0 34px; display: grid; gap: 14px; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 16px;
}
.check-list svg { flex: none; margin-top: 4px; color: var(--green-600); }

/* ---------- news cards ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-1);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--sh-3); }
.news-thumb { aspect-ratio: 16 / 9; overflow: hidden; }
.news-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-body { padding: 24px 26px 28px; }
.news-date {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--orange-500);
}
.news-body h3 {
  margin: 10px 0 10px;
  font-size: 19px;
  line-height: 1.5;
}
.news-body p { font-size: 15px; color: var(--muted); line-height: 1.7; }

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  padding: 72px 64px;
  color: #fff;
  background: linear-gradient(115deg, var(--green-700), var(--green-600) 55%, var(--green-500));
  isolation: isolate;
}
.cta-banner::before,
.cta-banner::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  z-index: -1;
}
.cta-banner::before {
  width: 340px; height: 340px;
  right: -90px; top: -120px;
  background: rgba(255, 176, 99, .22);
}
.cta-banner::after {
  width: 220px; height: 220px;
  right: 140px; bottom: -130px;
  background: rgba(255, 255, 255, .1);
}
.cta-banner h2 { color: #fff; font-size: clamp(28px, 3.6vw, 40px); max-width: 560px; }
.cta-banner p { margin: 16px 0 32px; max-width: 520px; color: rgba(255,255,255,.85); }
.cta-banner .btn-primary { box-shadow: 0 12px 30px rgba(0,0,0,.25); }

/* ---------- page hero (sub pages) ---------- */
.page-hero {
  position: relative;
  padding: 120px 0 96px;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  background: var(--green-900);
}
.page-hero img.bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(80deg, rgba(20, 38, 16, .85), rgba(20, 38, 16, .45));
}
.page-hero h1 { color: #fff; font-size: clamp(36px, 4.6vw, 54px); }
.page-hero p { margin-top: 16px; max-width: 560px; color: rgba(255,255,255,.85); font-size: 18px; }
.breadcrumb {
  margin-bottom: 18px;
  font-size: 14px;
  letter-spacing: .06em;
  color: rgba(255,255,255,.7);
}
.breadcrumb b { color: #ffb063; font-weight: 600; }

/* ---------- about page ---------- */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-intro img { border-radius: var(--r-lg); box-shadow: var(--sh-2); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.about-intro h2 { font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 18px; }
.about-intro p { color: var(--muted); margin-bottom: 14px; }

.timeline { position: relative; max-width: 760px; margin-inline: auto; padding-left: 36px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(var(--green-500), var(--orange-500));
}
.timeline-item { position: relative; padding: 0 0 40px 28px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -36px; top: 8px;
  width: 19px; height: 19px;
  border-radius: 50%;
  background: var(--paper);
  border: 5px solid var(--green-600);
  box-shadow: var(--sh-1);
}
.timeline-item:nth-child(even)::before { border-color: var(--orange-500); }
.timeline-year {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--green-700);
}
.timeline-item h3 { margin: 4px 0 8px; font-size: 19px; }
.timeline-item p { color: var(--muted); font-size: 15px; }

.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-card {
  padding: 30px 26px;
  text-align: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
}
.honor-card .medal {
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--orange-100);
  color: var(--orange-600);
}
.honor-card h3 { font-size: 17px; margin-bottom: 6px; }
.honor-card p { font-size: 13px; color: var(--muted); }

/* ---------- products page ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
}
.filter-btn {
  padding: 10px 24px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--muted);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: all .25s var(--ease);
}
.filter-btn:hover { color: var(--green-700); border-color: var(--green-500); }
.filter-btn.active {
  color: #fff;
  background: var(--green-600);
  border-color: var(--green-600);
  box-shadow: 0 8px 20px rgba(53, 121, 58, .3);
}
.product-card.is-hidden { display: none; }
.spec-table {
  width: 100%;
  margin-top: 14px;
  border-collapse: collapse;
  font-size: 14px;
}
.spec-table td {
  padding: 8px 0;
  border-top: 1px dashed var(--line);
  color: var(--muted);
}
.spec-table td:last-child { text-align: right; color: var(--ink); font-weight: 600; }

/* ---------- farm page ---------- */
.farm-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-1);
  margin-bottom: 32px;
}
.farm-card:nth-child(even) { direction: rtl; }
.farm-card > * { direction: ltr; }
.farm-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.farm-card-body { padding: 44px 48px; }
.farm-card-body .region {
  display: inline-block;
  padding: 4px 14px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--green-700);
  background: var(--green-100);
  border-radius: 999px;
}
.farm-card-body h3 { font-size: 26px; margin-bottom: 12px; }
.farm-card-body p { color: var(--muted); font-size: 15px; }
.farm-facts { display: flex; gap: 32px; margin-top: 24px; }
.farm-facts .num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--orange-500);
  line-height: 1.15;
}
.farm-facts .txt { font-size: 13px; color: var(--muted); }

/* ---------- news page ---------- */
.news-list { display: grid; gap: 24px; max-width: 880px; margin-inline: auto; }
.news-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.news-row:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.news-row .thumb {
  border-radius: var(--r-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.news-row .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-row h3 { font-size: 20px; margin: 8px 0 10px; }
.news-row p { font-size: 15px; color: var(--muted); }

/* ---------- contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
.contact-card {
  padding: 40px 42px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
}
.contact-item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--line);
}
.contact-item:last-child { border-bottom: 0; }
.contact-item .ic {
  display: grid;
  place-items: center;
  flex: none;
  width: 50px; height: 50px;
  border-radius: 16px;
  background: var(--green-100);
  color: var(--green-700);
}
.contact-item h3 { font-size: 17px; margin-bottom: 4px; }
.contact-item p { color: var(--muted); font-size: 15px; }
.contact-item p b { color: var(--ink); font-size: 17px; }
.contact-side img { width: 100%; border-radius: var(--r-lg); box-shadow: var(--sh-2); aspect-ratio: 4/3; object-fit: cover; }
.contact-note {
  margin-top: 24px;
  padding: 26px 30px;
  border-radius: var(--r-md);
  background: var(--green-50);
  border: 1px solid var(--green-100);
}
.contact-note h3 { font-size: 18px; margin-bottom: 8px; }
.contact-note p { font-size: 15px; color: var(--muted); }

/* ---------- footer ---------- */
.site-footer {
  margin-top: 96px;
  background: var(--green-900);
  color: rgba(255,255,255,.72);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 72px 0 56px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-brand img { width: 44px; height: 44px; border-radius: 50%; }
.footer-brand .name { font-family: var(--font-display); font-size: 22px; font-weight: 800; color: #fff; }
.footer-brand .name small { display: block; font-size: 10px; letter-spacing: .18em; color: #ffb063; font-weight: 600; }
.footer-main p { font-size: 14px; line-height: 1.9; }
.footer-col h4 { color: #fff; font-size: 17px; margin-bottom: 20px; }
.footer-col ul { display: grid; gap: 12px; font-size: 14px; }
.footer-col a { transition: color .25s var(--ease); }
.footer-col a:hover { color: #ffb063; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { flex: none; margin-top: 4px; color: #ffb063; }
.footer-bottom {
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: 13px;
  text-align: center;
  color: rgba(255,255,255,.45);
}

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .split.reverse, .about-intro, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse .split-media { order: -1; }
  .split-media .float-chip { right: 16px; }
}
@media (max-width: 760px) {
  .section { padding: 64px 0; }
  .main-nav {
    position: absolute;
    top: 76px; left: 0; right: 0;
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 16px 24px 24px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--sh-2);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; }
  .nav-toggle { display: flex; }
  .header-phone { display: none; }
  .stats-card { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3) { border-left: 0; }
  .stat-item:nth-child(n+3) { border-top: 1px solid var(--line); }
  .product-grid, .news-grid, .feature-grid, .honor-grid { grid-template-columns: 1fr; }
  .farm-card { grid-template-columns: 1fr; }
  .farm-card img { min-height: 220px; }
  .farm-card-body { padding: 30px 26px; }
  .news-row { grid-template-columns: 1fr; }
  .cta-banner { padding: 48px 28px; }
  .footer-main { grid-template-columns: 1fr; gap: 36px; padding: 56px 0 40px; }
  .hero { min-height: 560px; }
}