/* ============================================================
   村工厂官网主题样式
   纯自然·无添加·山野珍品
   规范：禁止渐变色，全部使用纯色
   ============================================================ */

:root {
  --green:        #2D5A1B;
  --green-dark:   #1E3E12;
  --green-light:  #4A7C35;
  --green-pale:   #EAF2E3;
  --brown:        #7A5C38;
  --brown-light:  #A07848;
  --gold:         #C8941A;
  --gold-light:   #E0B040;
  --cream:        #FAF7F0;
  --warm:         #F2EBD8;
  --white:        #FFFFFF;
  --dark:         #1A1A14;
  --text:         #3A3A2E;
  --muted:        #7A7A68;
  --border:       #DDD6C4;
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:    0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg:    0 12px 48px rgba(0,0,0,0.13);
  --radius:       4px;
  --radius-lg:    10px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s; }
ul, ol { list-style: none; }

/* ─── 工具类 ─── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.section-pad { padding: 96px 0; }
.section-pad-sm { padding: 64px 0; }
.section-bg-cream { background: var(--cream); }
.section-bg-warm  { background: var(--warm); }
.section-bg-green { background: var(--green); }
.section-bg-dark  { background: var(--dark); }

.text-green  { color: var(--green); }
.text-gold   { color: var(--gold); }
.text-white  { color: var(--white); }
.text-muted  { color: var(--muted); }
.text-center { text-align: center; }

.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--green);
  border-top: 2px solid var(--green);
  padding-top: 6px;
  margin-bottom: 16px;
}
.tag-gold { color: var(--gold); border-color: var(--gold); }
.tag-white { color: rgba(255,255,255,.7); border-color: rgba(255,255,255,.4); }

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.25;
  letter-spacing: -0.5px;
}
.section-title-white { color: var(--white); }

.section-sub {
  font-size: 17px;
  color: var(--muted);
  margin-top: 16px;
  max-width: 560px;
}
.section-sub-white { color: rgba(255,255,255,.65); }

.divider {
  width: 48px;
  height: 3px;
  background: var(--green);
  margin: 24px 0;
}
.divider-gold  { background: var(--gold); }
.divider-white { background: rgba(255,255,255,.5); }
.divider-center { margin: 24px auto; }

/* ─── 按钮 ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .2s;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-green {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-green:hover { background: var(--green-dark); border-color: var(--green-dark); color: var(--white); }
.btn-outline-green {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn-outline-green:hover { background: var(--green); color: var(--white); }
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline-white:hover { background: var(--white); color: var(--green); border-color: var(--white); }
.btn-gold { background: var(--gold); color: var(--white); border-color: var(--gold); }
.btn-gold:hover { background: #b08018; border-color: #b08018; color: var(--white); }

/* ─── 顶部公告条 ─── */
.topbar {
  background: var(--green-dark);
  color: rgba(255,255,255,.8);
  font-size: 13px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.topbar a { color: rgba(255,255,255,.7); }
.topbar a:hover { color: var(--white); }
.topbar-links { display: flex; gap: 20px; }
.topbar-icons { display: flex; gap: 12px; }
.topbar-icon {
  width: 26px; height: 26px;
  background: rgba(255,255,255,.12);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  transition: background .2s;
}
.topbar-icon:hover { background: rgba(255,255,255,.25); }

/* ─── 导航 ─── */
.navbar {
  position: sticky;
  top: 0; z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  height: 72px;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-icon {
  width: 44px; height: 44px;
  background: var(--green);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
}
.logo-icon svg { width: 26px; height: 26px; fill: var(--white); }
.logo-name { font-size: 22px; font-weight: 800; color: var(--green); letter-spacing: -0.5px; }
.logo-slogan { font-size: 11px; color: var(--muted); letter-spacing: 1px; margin-top: 1px; }
.navbar-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: block;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: all .2s;
}
.nav-link:hover, .nav-link.active { color: var(--green); background: var(--green-pale); }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 8px 0;
  display: none;
  z-index: 100;
}
.nav-item:hover .nav-dropdown { display: block; }
.nav-dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text);
}
.nav-dropdown a:hover { background: var(--cream); color: var(--green); }
.navbar-cta { display: flex; align-items: center; gap: 12px; }
.navbar-tel { font-size: 15px; font-weight: 700; color: var(--green); }
.navbar-tel-label { font-size: 11px; color: var(--muted); }
.navbar-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }

/* ─── HERO ─── */
.hero {
  background: var(--green-dark);
  min-height: 640px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero-bg-pattern {
  position: absolute; inset: 0;
  opacity: .04;
  background-image: repeating-linear-gradient(0deg, transparent, transparent 60px, rgba(255,255,255,.5) 60px, rgba(255,255,255,.5) 61px),
                    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(255,255,255,.5) 60px, rgba(255,255,255,.5) 61px);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 0;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow::before {
  content: '';
  width: 32px; height: 2px;
  background: var(--gold);
}
.hero-title {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.hero-title em { font-style: normal; color: var(--gold); }
.hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,.7);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-badges {
  display: flex;
  gap: 24px;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.hero-badge { text-align: center; }
.hero-badge-num { font-size: 28px; font-weight: 800; color: var(--white); }
.hero-badge-label { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 2px; }
.hero-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.hero-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform .3s, background .3s;
}
.hero-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.11); }
.hero-card:first-child { grid-row: span 2; }
.hero-card-icon { font-size: 36px; margin-bottom: 16px; }
.hero-card-name { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.hero-card-desc { font-size: 13px; color: rgba(255,255,255,.55); line-height: 1.6; }

/* ─── 统计数据带 ─── */
.stats-bar {
  background: var(--green);
  padding: 0;
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 40px 32px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.15);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-size: 42px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat-unit { font-size: 20px; color: rgba(255,255,255,.7); }
.stat-label { font-size: 14px; color: rgba(255,255,255,.6); margin-top: 6px; }

/* ─── 品牌理念 ─── */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.philosophy-card {
  background: var(--white);
  padding: 56px 44px;
  transition: background .25s;
}
.philosophy-card:hover { background: var(--cream); }
.philosophy-icon {
  width: 64px; height: 64px;
  background: var(--green-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 28px;
}
.philosophy-title { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 14px; }
.philosophy-text { font-size: 15px; color: var(--muted); line-height: 1.8; }

/* ─── 产品分类 ─── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.category-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
  cursor: pointer;
}
.category-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.category-thumb {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px;
  position: relative;
  overflow: hidden;
}
.category-thumb-herbs    { background: #EAF4E2; }
.category-thumb-flowers  { background: #FDF0F5; }
.category-thumb-seeds    { background: #FDF6E8; }
.category-thumb-special  { background: #EEF4FD; }
.category-thumb-food     { background: #FDF4EA; }
.category-thumb-mountain { background: #EDF5F0; }
.category-body { padding: 28px; }
.category-name { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.category-desc { font-size: 14px; color: var(--muted); margin-bottom: 16px; line-height: 1.65; }
.category-count { font-size: 13px; font-weight: 600; color: var(--green); }
.category-arrow {
  width: 36px; height: 36px;
  background: var(--green-pale);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--green);
  font-size: 16px;
  transition: background .2s, color .2s;
  float: right;
  margin-top: -28px;
}
.category-card:hover .category-arrow { background: var(--green); color: var(--white); }

/* ─── 精选产品 ─── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.product-thumb {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  background: var(--cream);
  position: relative;
}
.product-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--green);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
}
.product-badge-gold { background: var(--gold); }
.product-body { padding: 20px; }
.product-origin { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.product-name { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.product-desc { font-size: 13px; color: var(--muted); margin-bottom: 14px; line-height: 1.6; }
.product-footer { display: flex; align-items: center; justify-content: space-between; }
.product-price { font-size: 20px; font-weight: 800; color: var(--green); }
.product-price-unit { font-size: 12px; font-weight: 400; color: var(--muted); }
.product-btn {
  padding: 8px 18px;
  background: var(--green-pale);
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.product-btn:hover { background: var(--green); color: var(--white); }

/* ─── 关于我们 ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-img-block {
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  font-weight: 800;
}
.about-img-block-main {
  grid-row: span 2;
  min-height: 360px;
  background: var(--green-pale);
}
.about-img-block-small {
  min-height: 168px;
  background: var(--warm);
}
.about-img-block-dark {
  background: var(--green);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  flex-direction: column;
  gap: 6px;
  padding: 24px;
}
.about-img-block-dark span { font-size: 38px; font-weight: 800; color: var(--gold); }
.about-features { margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--cream);
  border-radius: var(--radius);
}
.about-feature-icon {
  width: 40px; height: 40px; min-width: 40px;
  background: var(--green-pale);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.about-feature-title { font-size: 15px; font-weight: 600; color: var(--dark); margin-bottom: 3px; }
.about-feature-text { font-size: 13px; color: var(--muted); }

/* ─── 认证资质 ─── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.cert-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 20px;
  text-align: center;
  transition: box-shadow .2s, transform .2s;
}
.cert-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.cert-icon { font-size: 40px; margin-bottom: 14px; }
.cert-name { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.cert-desc { font-size: 13px; color: var(--muted); }

/* ─── 从山野到餐桌 ─── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 56px;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.process-step {
  text-align: center;
  padding: 0 16px;
  position: relative; z-index: 1;
}
.process-num {
  width: 64px; height: 64px;
  background: var(--white);
  border: 3px solid var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--green);
  margin: 0 auto 20px;
}
.process-step.active .process-num { background: var(--green); color: var(--white); }
.process-icon { font-size: 28px; margin-bottom: 10px; }
.process-name { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.process-desc { font-size: 13px; color: var(--muted); line-height: 1.65; }

/* ─── 时令推荐 ─── */
.seasonal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 56px;
}
.seasonal-featured {
  background: var(--green);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 440px;
  position: relative;
  overflow: hidden;
}
.seasonal-featured-bg {
  position: absolute;
  top: 0; right: 0;
  font-size: 200px;
  line-height: 1;
  opacity: .12;
  user-select: none;
}
.seasonal-featured-tag { font-size: 11px; font-weight: 700; letter-spacing: 3px; color: var(--gold); margin-bottom: 14px; }
.seasonal-featured-title { font-size: 32px; font-weight: 800; color: var(--white); margin-bottom: 16px; }
.seasonal-featured-desc { font-size: 15px; color: rgba(255,255,255,.65); margin-bottom: 32px; line-height: 1.7; }
.seasonal-list { display: flex; flex-direction: column; gap: 16px; }
.seasonal-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: box-shadow .2s;
}
.seasonal-item:hover { box-shadow: var(--shadow-md); }
.seasonal-item-icon { font-size: 40px; min-width: 56px; text-align: center; }
.seasonal-item-name { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.seasonal-item-info { font-size: 13px; color: var(--muted); }
.seasonal-item-price { font-size: 18px; font-weight: 800; color: var(--green); margin-left: auto; white-space: nowrap; }

/* ─── 用户评价 ─── */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: box-shadow .25s, transform .25s;
}
.review-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.review-stars { color: var(--gold); font-size: 16px; letter-spacing: 2px; margin-bottom: 16px; }
.review-quote { font-size: 15px; color: var(--text); line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.review-quote::before { content: '"'; font-size: 40px; color: var(--border); float: left; line-height: 1; margin-right: 8px; margin-top: 4px; }
.review-user { display: flex; align-items: center; gap: 14px; }
.review-avatar {
  width: 48px; height: 48px;
  background: var(--green-pale);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--green);
}
.review-name { font-size: 15px; font-weight: 700; color: var(--dark); }
.review-location { font-size: 13px; color: var(--muted); }

/* ─── 新闻资讯 ─── */
.news-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 24px;
  margin-top: 56px;
}
.news-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-thumb {
  height: 220px;
  display: flex; align-items: center; justify-content: center;
  font-size: 64px;
}
.news-thumb-a { background: #E8F4EA; }
.news-thumb-b { background: #FDF6E8; }
.news-thumb-c { background: #EAF0FA; }
.news-body { padding: 28px; }
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.news-cat {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--green);
  background: var(--green-pale);
  padding: 3px 10px;
  border-radius: 20px;
}
.news-date { font-size: 13px; color: var(--muted); }
.news-title { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 10px; line-height: 1.5; }
.news-excerpt { font-size: 14px; color: var(--muted); line-height: 1.65; }
.news-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--green); margin-top: 14px; }
.news-link:hover { color: var(--green-dark); }

/* ─── CTA Banner ─── */
.cta-section {
  background: var(--green);
  padding: 80px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-title { font-size: clamp(24px, 3.5vw, 36px); font-weight: 800; color: var(--white); }
.cta-desc { font-size: 16px; color: rgba(255,255,255,.65); margin-top: 10px; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; }

/* ─── 合作品牌 ─── */
.partners-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.partner-item {
  font-size: 16px;
  font-weight: 700;
  color: var(--muted);
  padding: 12px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all .2s;
}
.partner-item:hover { border-color: var(--green); color: var(--green); }

/* ─── 页脚 ─── */
.footer { background: var(--dark); color: rgba(255,255,255,.65); }
.footer-main { padding: 72px 0 48px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
}
.footer-brand-name { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 4px; }
.footer-brand-slogan { font-size: 12px; letter-spacing: 2px; color: rgba(255,255,255,.35); margin-bottom: 20px; }
.footer-about { font-size: 14px; line-height: 1.8; margin-bottom: 28px; }
.footer-contacts { display: flex; flex-direction: column; gap: 10px; }
.footer-contact-item { font-size: 14px; display: flex; align-items: center; gap: 10px; }
.footer-contact-icon { font-size: 16px; opacity: .7; }
.footer-col-title { font-size: 15px; font-weight: 700; color: var(--white); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.5); transition: color .2s; }
.footer-links a:hover { color: var(--white); }
.footer-social-row { display: flex; gap: 12px; margin-top: 8px; }
.footer-social {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: background .2s;
}
.footer-social:hover { background: var(--green); }
.footer-qr {
  width: 80px; height: 80px;
  background: rgba(255,255,255,.1);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
  margin-bottom: 8px;
}
.footer-qr-label { font-size: 12px; color: rgba(255,255,255,.35); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,.3);
}
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: rgba(255,255,255,.8); }

/* ─── 回到顶部 ─── */
.back-top {
  position: fixed;
  right: 32px; bottom: 32px;
  width: 48px; height: 48px;
  background: var(--green);
  color: var(--white);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  z-index: 999;
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-4px); background: var(--green-dark); }

/* ─── 响应式 ─── */
@media (max-width: 1100px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 900px) {
  .section-pad { padding: 64px 0; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .philosophy-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-steps::before { display: none; }
  .seasonal-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .topbar-links { display: none; }
  .navbar-menu { display: none; }
  .navbar-toggle { display: block; }
  .navbar-tel { display: none; }
  .hero-title { font-size: 32px; }
  .categories-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .cta-actions { flex-direction: column; width: 100%; }
  .about-features { grid-template-columns: 1fr; }
}