/**
 * 绿源水性涂料 — 绿色清新环保主题样式
 * 主色：白 + 浅绿(#7BBF7A) + 深绿(#2D6B3E) + 浅灰 + 木色
 * 风格：大留白、图文错落、环保生活杂志感
 * 圆角：大圆角（亲和力）
 * 依赖：Font Awesome 6, Swiper 11, AOS 2.3.4, jQuery 3.6
 */


/* ============================================================
   CSS 变量体系
   ============================================================ */
:root {
  /* 主色系 — 绿色环保 */
  --green-light: #7BBF7A;
  --green-light-hover: #68A867;
  --green-light-dim: rgba(123, 191, 122, 0.12);
  --green: #3D8B40;
  --green-dark: #2D6B3E;
  --green-darkest: #1B4332;
  --green-gradient: linear-gradient(135deg, #7BBF7A 0%, #3D8B40 50%, #2D6B3E 100%);
  --green-gradient-soft: linear-gradient(135deg, rgba(123, 191, 122, 0.08) 0%, rgba(45, 107, 62, 0.12) 100%);

  /* 辅助色 */
  --white: #FFFFFF;
  --off-white: #F8FAF8;
  --gray-50: #F5F7F5;
  --gray-100: #E8EDE8;
  --gray-200: #D0D8D0;
  --gray-300: #A8B3A8;
  --gray-500: #6B7A6B;
  --gray-700: #3D4A3D;
  --gray-900: #1A241A;
  --wood: #C4A882;
  --wood-light: #D9C5A0;
  --wood-dim: rgba(196, 168, 130, 0.15);

  /* 文字色阶 */
  --text-primary: #1A241A;
  --text-secondary: #3D4A3D;
  --text-muted: #6B7A6B;
  --text-light: #A8B3A8;
  --text-white: #FFFFFF;
  --text-white-muted: rgba(255, 255, 255, 0.8);

  /* 背景 */
  --bg-body: #FFFFFF;
  --bg-section: #F8FAF8;
  --bg-green: #2D6B3E;
  --bg-green-light: rgba(123, 191, 122, 0.08);
  --bg-card: #FFFFFF;

  /* 边框 */
  --border-light: rgba(0, 0, 0, 0.06);
  --border-medium: rgba(0, 0, 0, 0.1);
  --border-green: rgba(123, 191, 122, 0.3);

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-green: 0 4px 20px rgba(123, 191, 122, 0.15);

  /* 圆角 — 大圆角亲和力 */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* 间距 */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;

  /* 字体 — 思源黑体 + 系统后备 */
  --font-heading: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* 过渡 */
  --duration-fast: 0.2s;
  --duration-normal: 0.35s;
  --duration-slow: 0.5s;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* 容器 */
  --container-max: 1240px;
  --header-height: 72px;
}

/* ============================================================
   全局重置
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color var(--duration-fast) var(--ease-out); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================================
   排版
   ============================================================ */
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-light-dim);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: var(--space-sm);
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.6;
}

/* 区块标题组 — 统一间距，便于移动端整体收紧 */
.section-head { margin-bottom: var(--space-xl); }
.section-head--center { text-align: center; }
.section-head--center .section-subtitle { margin-left: auto; margin-right: auto; }
.section-head--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* 网格下方的居中按钮行 */
.grid-cta { text-align: center; margin-top: var(--space-lg); }

/* ============================================================
   按钮系统
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--green);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(61, 139, 64, 0.25);
}
.btn--primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(61, 139, 64, 0.35);
}
.btn--outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn--outline:hover {
  background: var(--green);
  color: var(--text-white);
  transform: translateY(-2px);
}
.btn--white {
  background: var(--white);
  color: var(--green-dark);
  box-shadow: var(--shadow-md);
}
.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn--lg {
  padding: 15px 36px;
  font-size: 1.05rem;
}

/* 脉冲动画按钮 */
.btn-pulse {
  animation: btnPulse 2.5s ease-in-out infinite;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 4px 14px rgba(61, 139, 64, 0.25); }
  50% { box-shadow: 0 8px 32px rgba(61, 139, 64, 0.5); }
}

/* ============================================================
   头部导航 Header
   ★ 13.3: nav__dropdown z-index 足够高
   ★ 13.4: hamburger 独立在 header__actions 外
   ★ 13.11: 白色实底 Header + 深色文字
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
  height: var(--header-height);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.97);
}
.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header__logo-icon {
  width: 40px; height: 40px;
  background: var(--green-gradient);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.2rem;
}
.header__logo-text {
  display: flex; flex-direction: column;
}
.header__logo-name {
  font-family: var(--font-heading);
  font-size: 1.15rem; font-weight: 700;
  color: var(--green-dark); line-height: 1.2;
}
.header__logo-sub {
  font-size: 0.65rem; color: var(--text-muted);
  letter-spacing: 0.06em; text-transform: uppercase;
}

/* 桌面导航 */
.header__nav {
  display: flex; align-items: center; gap: 4px;
}
.header__nav-link {
  padding: 8px 16px;
  font-size: 0.92rem; font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}
.header__nav-link:hover,
.header__nav-link.active {
  color: var(--green);
  background: var(--green-light-dim);
}
.header__nav-item {
  position: relative;
}

/* 下拉菜单 ★ 13.3 z-index */
.header__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 180px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  z-index: 60;
}
.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.header__dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
}
.header__dropdown a:hover {
  color: var(--green);
  background: var(--green-light-dim);
}

/* 右侧操作区 */
.header__actions {
  display: flex; align-items: center; gap: var(--space-xs);
}
.header__cta {
  padding: 8px 20px;
  background: var(--green);
  color: var(--text-white) !important;
  border-radius: var(--radius-full);
  font-size: 0.88rem; font-weight: 600;
  transition: all var(--duration-normal) var(--ease-out);
}
.header__cta:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(61, 139, 64, 0.3);
}

/* 汉堡菜单 ★ 13.4 独立于 header__actions */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: 110;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-out);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* 移动端侧滑菜单 */
.mobile-nav {
  position: fixed; top: 0; right: -320px; width: 300px; height: 100vh;
  background: var(--white); z-index: 105;
  box-shadow: -4px 0 24px rgba(0,0,0,0.1);
  transition: right var(--duration-normal) var(--ease-out);
  overflow-y: auto; padding: var(--space-md);
}
.mobile-nav.active { right: 0; }
.mobile-nav__overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 100;
  opacity: 0; visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}
.mobile-nav__overlay.active { opacity: 1; visibility: visible; }
.mobile-nav__link {
  display: block; padding: 12px 16px;
  font-size: 1rem; color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.mobile-nav__link:hover { background: var(--green-light-dim); color: var(--green); }
.mobile-nav__sub {
  padding-left: 20px; max-height: 0; overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-out);
}
.mobile-nav__sub.open { max-height: 300px; }
.mobile-nav__sub a {
  display: block; padding: 10px 16px;
  font-size: 0.9rem; color: var(--text-muted);
  border-radius: var(--radius-sm);
}
.mobile-nav__sub a:hover { color: var(--green); }

/* ============================================================
   首页 — Hero Banner
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: var(--gray-900);
}
.hero-swiper {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.hero__slide {
  width: 100%; height: 100%;
  background-size: cover; background-position: center;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(26, 36, 26, 0.45) 0%,
    rgba(26, 36, 26, 0.2) 40%,
    rgba(26, 36, 26, 0.55) 100%);
  z-index: 2;
}
.hero__content {
  position: absolute; inset: 0; z-index: 3;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 0 var(--space-md);
}
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}
.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-white-muted);
  margin-bottom: var(--space-lg);
  max-width: 640px;
  line-height: 1.6;
}
.hero__actions {
  display: flex; gap: var(--space-sm); flex-wrap: wrap;
  justify-content: center;
}
.hero__actions .btn--outline {
  border-color: rgba(255,255,255,0.5);
  color: var(--text-white);
}
.hero__actions .btn--outline:hover {
  background: var(--white);
  color: var(--green-dark);
  border-color: var(--white);
}
.hero-pagination {
  position: absolute; bottom: 40px; z-index: 4;
}
.hero-pagination .swiper-pagination-bullet {
  width: 10px; height: 10px;
  background: rgba(255,255,255,0.5);
  opacity: 1;
  transition: all var(--duration-normal);
}
.hero-pagination .swiper-pagination-bullet-active {
  background: var(--green-light);
  width: 28px; border-radius: 5px;
}

/* 滚动指示器 */
.hero__scroll {
  position: absolute; bottom: 80px; z-index: 4;
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  left: 50%; transform: translateX(-50%);
}
.hero__scroll span {
  font-size: 0.7rem; letter-spacing: 0.15em;
  color: rgba(255,255,255,0.6); text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, rgba(255,255,255,0.5), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: 0.5; }
  50% { transform: scaleY(0.3); opacity: 1; }
}

/* ============================================================
   通用区块
   ============================================================ */
.section {
  padding: var(--space-2xl) 0;
  position: relative;
}
.section--green {
  background: var(--green-gradient-soft);
}
.section--dark {
  background: var(--green-darkest);
  color: var(--text-white);
}

/* ============================================================
   环保数据统计 (模块2)
   ============================================================ */
.stats-section {
  background: var(--green-gradient-soft);
  padding: var(--space-xl) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}
.stat-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-out);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-green);
}
.stat-card__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}
.stat-card__number span {
  display: inline;
}
.stat-card__label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   产品分类卡片 (模块3)
   ============================================================ */
.product-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.cat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-green);
  border-color: var(--border-green);
}
.cat-card__icon {
  width: 64px; height: 64px;
  margin: 0 auto var(--space-sm);
  background: var(--green-light-dim);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: var(--green);
  transition: all var(--duration-normal) var(--ease-out);
}
.cat-card:hover .cat-card__icon {
  background: var(--green);
  color: white;
  transform: scale(1.1);
}
.cat-card__title {
  font-size: 1.1rem; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.cat-card__desc {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   产品卡片 (模块4)
   ============================================================ */
.product-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-green);
}
.product-card__image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-50);
}
.product-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.product-card:hover .product-card__image img {
  transform: scale(1.06);
}
.product-card__body {
  padding: var(--space-md);
}
.product-card__tag {
  display: inline-block;
  font-size: 0.72rem; font-weight: 600;
  color: var(--green);
  background: var(--green-light-dim);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xs);
}
.product-card__title {
  font-size: 1.1rem; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}
.product-card__specs {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: var(--space-sm);
}
.product-card__spec {
  font-size: 0.78rem; color: var(--text-muted);
  background: var(--gray-50);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.product-card__spec i { margin-right: 4px; color: var(--green); }

/* ============================================================
   绿色承诺 (模块5)
   ============================================================ */
.commitments {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.commit-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  transition: all var(--duration-normal) var(--ease-out);
}
.commit-card__icon {
  width: 72px; height: 72px;
  margin: 0 auto var(--space-sm);
  background: var(--green-light-dim);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: var(--green-dark);
  transition: all var(--duration-normal) var(--ease-out);
}
.commit-card:hover .commit-card__icon {
  background: var(--green);
  color: white;
  transform: rotateY(180deg);
}
.commit-card__title {
  font-size: 1.1rem; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.commit-card__desc {
  font-size: 0.88rem; color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   案例卡片 (模块6)
   ============================================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-green);
}
.case-card__image {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--gray-50);
}
.case-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.case-card:hover .case-card__image img {
  transform: scale(1.06);
}
.case-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(26,36,26,0.7) 100%);
}
.case-card__tag {
  position: absolute; top: 12px; left: 12px;
  background: var(--green);
  color: white;
  font-size: 0.7rem; font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}
.case-card__body {
  padding: var(--space-md);
}
.case-card__title {
  font-size: 1rem; font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

/* ============================================================
   认证荣誉 (模块7)
   ============================================================ */
.certs-section {
  background: var(--green-darkest);
  padding: var(--space-xl) 0;
}
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.cert-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--duration-normal) var(--ease-out);
}
.cert-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}
.cert-card__icon {
  font-size: 2.2rem;
  color: var(--green-light);
  margin-bottom: var(--space-sm);
}
.cert-card__name {
  font-size: 1rem; font-weight: 600;
  color: var(--text-white);
  margin-bottom: 4px;
}
.cert-card__desc {
  font-size: 0.8rem;
  color: var(--text-white-muted);
}

/* ============================================================
   新闻列表 (模块8)
   ============================================================ */
.news-mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.news-mini-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
}
.news-mini-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-green);
}
.news-mini-card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--gray-50);
}
.news-mini-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.news-mini-card:hover .news-mini-card__image img {
  transform: scale(1.05);
}
.news-mini-card__body {
  padding: var(--space-md);
}
.news-mini-card__date {
  font-size: 0.78rem; color: var(--text-light);
  margin-bottom: 4px;
}
.news-mini-card__title {
  font-size: 0.98rem; font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   CTA 区块 (模块9)
   ============================================================ */
.cta-section {
  background: var(--green-gradient);
  padding: var(--space-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.cta-section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--space-sm);
}
.cta-section .section-tag {
  background: rgba(255,255,255,0.15);
  color: white;
}
.cta-features {
  display: flex; justify-content: center; gap: var(--space-lg);
  margin-bottom: var(--space-lg); flex-wrap: wrap;
}
.cta-feature {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem; font-weight: 500;
}
.cta-feature i { color: var(--green-light); font-size: 1.1rem; }

/* ============================================================
   页脚 (模块10)
   ============================================================ */
.footer {
  background: var(--gray-900);
  color: var(--text-white-muted);
  padding-top: var(--space-2xl);
}
.footer__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.2fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.footer__brand-desc {
  font-size: 0.9rem; line-height: 1.7;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-md);
}
.footer__social {
  display: flex; gap: var(--space-xs);
}
.footer__social a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  transition: all var(--duration-fast) var(--ease-out);
}
.footer__social a:hover {
  background: var(--green);
  color: white;
  transform: translateY(-2px);
}
.footer__col-title {
  font-size: 1rem; font-weight: 600;
  color: var(--text-white);
  margin-bottom: var(--space-md);
  position: relative;
  padding-bottom: 12px;
}
.footer__col-title::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 28px; height: 2px;
  background: var(--green);
  border-radius: 1px;
}
.footer__links a {
  display: block; padding: 6px 0;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: all var(--duration-fast) var(--ease-out);
}
.footer__links a:hover { color: var(--green-light); padding-left: 6px; }
.footer__contact-item {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 12px;
  font-size: 0.88rem; color: rgba(255,255,255,0.55);
}
.footer__contact-item i {
  color: var(--green-light); margin-top: 3px; flex-shrink: 0;
}
.footer__qrcode {
  width: 100px; height: 100px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; color: rgba(255,255,255,0.35);
  text-align: center; line-height: 1.5;
  border: 1px solid rgba(255,255,255,0.1);
}

.footer__qr-text {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  margin-top: 10px;
}
/* 友情链接 */
.friend-links {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
}
.friend-links__label {
  font-size: 0.8rem; color: rgba(255,255,255,0.4);
  font-weight: 600; margin-right: 4px;
}
.friend-links a {
  font-size: 0.8rem; color: rgba(255,255,255,0.35);
  transition: color var(--duration-fast);
}
.friend-links a:hover { color: var(--green-light); }

/* 底部版权栏 */
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-md) 0;
}
.footer__bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: var(--space-xs);
  font-size: 0.8rem; color: rgba(255,255,255,0.35);
}
.footer__bottom a { color: rgba(255,255,255,0.35); }
.footer__bottom a:hover { color: var(--green-light); }

/* ============================================================
   返回顶部
   ============================================================ */
.back-top {
  position: fixed; bottom: 32px; right: 24px;
  width: 46px; height: 46px;
  background: var(--green);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(61, 139, 64, 0.35);
  z-index: 90;
  opacity: 0; visibility: hidden;
  transform: translateY(16px);
  transition: all var(--duration-normal) var(--ease-out);
}
.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--green-dark); transform: translateY(-2px); }

/* 在线客服按钮 */
.online-service {
  position: fixed; bottom: 90px; right: 24px;
  width: 46px; height: 46px;
  background: var(--green-light);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(123, 191, 122, 0.35);
  z-index: 90;
  animation: servicePulse 3s ease-in-out infinite;
  transition: all var(--duration-normal) var(--ease-out);
}
.online-service:hover {
  background: var(--green);
  transform: scale(1.1);
}
@keyframes servicePulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(123, 191, 122, 0.35); }
  50% { box-shadow: 0 4px 28px rgba(123, 191, 122, 0.65); }
}

/* ============================================================
   内页通用
   ============================================================ */
.inner-banner {
  position: relative;
  height: 320px;
  overflow: hidden;
  margin-top: var(--header-height);
}
.inner-banner__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.inner-banner__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(26,36,26,0.5) 0%, rgba(26,36,26,0.7) 100%);
}
.inner-banner__content {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  z-index: 2;
}
.inner-banner__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--space-xs);
}
.inner-banner__subtitle {
  font-size: 1rem;
  color: var(--text-white-muted);
}

/* 面包屑 */
.breadcrumb-bar {
  background: var(--gray-50);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 0;
}
.breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb i { margin: 0 6px; font-size: 0.65rem; color: var(--text-light); }

/* 内页布局 */
.page-layout {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-lg);
}

/* 侧边栏 */
.sidebar {
  flex-shrink: 0;
}
.sidebar__title {
  background: var(--green-gradient);
  color: white;
  padding: var(--space-md);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  text-align: center;
}
.sidebar__title h3 {
  font-size: 1.15rem; font-weight: 700;
}
.sidebar__title p {
  font-size: 0.75rem; opacity: 0.8; margin-top: 4px;
}
.sidebar__nav {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  overflow: hidden;
}
.sidebar__nav a {
  display: block;
  padding: 14px 20px;
  font-size: 0.92rem; color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}
.sidebar__nav a:last-child { border-bottom: none; }
.sidebar__nav a:hover,
.sidebar__nav a.active {
  color: var(--green);
  background: var(--green-light-dim);
  padding-left: 24px;
}
.sidebar__nav a.active::before {
  content: '';
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 20px;
  background: var(--green);
  border-radius: 0 2px 2px 0;
}

/* 主内容区 */
.main-content {
  min-width: 0;
}

/* ============================================================
   列表页 — 产品/案例/新闻 网格
   ============================================================ */
.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.list-grid-cols4 {
  grid-template-columns: repeat(4, 1fr);
}
.list-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
}
.list-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-green);
}
.list-card__image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-50);
}
.list-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.list-card:hover .list-card__image img { transform: scale(1.06); }
.list-card__body {
  padding: var(--space-md);
}
.list-card__title {
  font-size: 1rem; font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: var(--space-xs);
}
.list-card__meta {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: var(--space-xs);
}
.list-card__meta span {
  font-size: 0.75rem; color: var(--text-muted);
  background: var(--gray-50);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.list-card__date {
  font-size: 0.8rem; color: var(--text-light);
}
.list-card__desc {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   分页
   ============================================================ */
.pagination {
  display: flex; justify-content: center; align-items: center;
  gap: 6px; margin-top: var(--space-xl);
  flex-wrap: wrap;
}
.pagination a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px;
  padding: 0 12px;
  font-size: 0.88rem; color: var(--text-secondary);
  background: var(--white);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.pagination a:hover,
.pagination a.active {
  background: var(--green);
  color: white;
  border-color: var(--green);
}
.pagination a.active { font-weight: 600; }

/* 空状态 */
.empty-state {
  text-align: center; padding: var(--space-2xl) var(--space-md);
  color: var(--text-muted);
}
.empty-state i { font-size: 3rem; display: block; margin-bottom: var(--space-sm); opacity: 0.3; }
.empty-state p { font-size: 1rem; }

/* ============================================================
   产品详情页
   ============================================================ */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}
.product-detail__gallery {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-50);
}
.product-detail__gallery img {
  width: 100%; aspect-ratio: 4/3;
  object-fit: cover;
}
.product-detail__info h1 {
  font-size: 1.75rem; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.product-detail__info .product-card__tag {
  margin-bottom: var(--space-md);
}
/* 扩展字段表 */
.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}
.product-specs__item {
  background: var(--green-light-dim);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
}
.product-specs__item .label {
  font-size: 0.75rem; color: var(--text-muted);
  margin-bottom: 2px;
}
.product-specs__item .value {
  font-size: 0.95rem; font-weight: 600;
  color: var(--green-dark);
}

/* Tab 切换 */
.product-tabs {
  margin-top: var(--space-xl);
  border-top: 1px solid var(--border-light);
  padding-top: var(--space-lg);
}
.product-tabs__nav {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--border-light);
  margin-bottom: var(--space-md);
}
.product-tabs__nav button {
  padding: 10px 24px;
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--duration-fast) var(--ease-out);
}
.product-tabs__nav button:hover,
.product-tabs__nav button.active {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ============================================================
   详情页/单页 正文
   ============================================================ */
.detail__body {
  line-height: 1.9;
  color: var(--text-secondary);
}
.detail__body img { border-radius: var(--radius-md); margin: var(--space-md) 0; }
.detail__body h2 { font-size: 1.35rem; color: var(--text-primary); margin: var(--space-lg) 0 var(--space-sm); }
.detail__body h3 { font-size: 1.1rem; color: var(--text-primary); margin: var(--space-md) 0 var(--space-xs); }
.detail__body p { margin-bottom: var(--space-sm); }
.detail__body ul, .detail__body ol { padding-left: 1.5em; margin-bottom: var(--space-sm); }
.detail__body li { margin-bottom: 4px; }

/* 上一篇/下一篇 */
.prev-next {
  display: flex; justify-content: space-between;
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
  gap: var(--space-md);
}
.prev-next a {
  font-size: 0.88rem; color: var(--text-muted);
  transition: color var(--duration-fast);
}
.prev-next a:hover { color: var(--green); }

/* ============================================================
   联系页
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}
.contact-info__item {
  display: flex; gap: var(--space-sm);
  margin-bottom: var(--space-md);
}
.contact-info__icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  background: var(--green-light-dim);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--green);
  font-size: 1.1rem;
}
.contact-info__text h4 {
  font-size: 0.95rem; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.contact-info__text p {
  font-size: 0.88rem; color: var(--text-muted);
}

/* 询价表单 */
.inquiry-form {
  background: var(--white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}
.inquiry-form h3 {
  font-size: 1.25rem; font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}
.form-group {
  margin-bottom: var(--space-sm);
}
.form-group label {
  display: block;
  font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-primary);
  background: var(--off-white);
  transition: all var(--duration-fast) var(--ease-out);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-light-dim);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }

/* ============================================================
   搜索页
   ============================================================ */
.search-box {
  padding: var(--space-xl) 0;
}
.search-form-row {
  display: flex; gap: var(--space-sm);
  max-width: 600px; margin: 0 auto;
}
.search-input-wrap {
  flex: 1; position: relative;
}
.search-input-wrap i {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--text-light); font-size: 1rem;
}
.search-input-wrap input {
  width: 100%; padding: 14px 16px 14px 44px;
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  transition: all var(--duration-fast) var(--ease-out);
}
.search-input-wrap input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 4px var(--green-light-dim);
}
.search-result-item {
  display: flex; gap: var(--space-md);
  padding: var(--space-md);
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.search-result-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-green);
}
.search-result-item__thumb {
  width: 120px; height: 90px;
  border-radius: var(--radius-sm);
  overflow: hidden; flex-shrink: 0;
  background: var(--gray-50);
}
.search-result-item__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.search-result-item__info { flex: 1; }
.search-result-item__title {
  font-size: 1rem; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.search-result-item__date {
  font-size: 0.78rem; color: var(--text-light);
  margin-bottom: 4px;
}
.search-result-item__desc {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   绿色承诺页 — 特色布局
   ============================================================ */
.green-hero {
  background: var(--green-gradient-soft);
  padding: var(--space-xl) 0;
  text-align: center;
}
.green-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.green-metric {
  text-align: center;
  padding: var(--space-lg);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.green-metric__icon {
  font-size: 2rem; color: var(--green);
  margin-bottom: var(--space-sm);
}
.green-metric__title {
  font-size: 1.1rem; font-weight: 600;
  margin-bottom: var(--space-xs);
}
.green-metric__desc {
  font-size: 0.88rem; color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   技术参数页
   ============================================================ */
.tech-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-md);
}
.tech-table th, .tech-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}
.tech-table th {
  background: var(--green-light-dim);
  font-weight: 600;
  color: var(--green-dark);
  font-size: 0.9rem;
}
.tech-table td {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.tech-table tr:hover td {
  background: var(--off-white);
}

/* ============================================================
   响应式 — 平板 (≤1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .header__nav { display: none; }
  .header__actions { display: none; }
  .hamburger { display: flex; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .product-categories { grid-template-columns: repeat(2, 1fr); }
  .product-list { grid-template-columns: repeat(2, 1fr); }
  .commitments { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .news-mini { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .page-layout { grid-template-columns: 1fr; }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
  .green-metrics { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   响应式 — 手机 (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
    --space-2xl: 34px;
    --space-xl: 26px;
    --space-lg: 20px;
    --space-md: 14px;
  }
  .container { padding: 0 16px; }
  .section { padding: var(--space-2xl) 0; }
  .header__logo-icon { width: 34px; height: 34px; font-size: 1rem; }
  .header__logo-name { font-size: 1rem; }
  .header__logo-sub { font-size: 0.58rem; }

  /* ---------- 标题组 ---------- */
  .section-head { margin-bottom: 20px; }
  .section-head--row { align-items: center; }
  .section-title { font-size: 1.35rem; }
  .section-subtitle { font-size: 0.86rem; line-height: 1.6; }
  .section-tag { font-size: 0.68rem; padding: 4px 11px; }

  /* ---------- Hero ---------- */
  .hero { height: 56vh; min-height: 380px; max-height: 460px; }
  .hero__container, .hero__content { padding: 0 16px; }
  .hero__title { font-size: 1.9rem; margin-bottom: 10px; }
  .hero__subtitle { font-size: 0.9rem; margin-bottom: 20px; }
  .hero__actions { flex-direction: row; gap: 10px; }
  .hero__actions .btn { flex: 1 1 auto; justify-content: center; padding: 11px 18px; font-size: 0.88rem; }
  .hero-pagination { bottom: 18px; }
  .hero__scroll { display: none; }

  /* ---------- 内页 Banner / 面包屑 ---------- */
  .inner-banner { height: 190px; }
  .inner-banner__title { font-size: 1.5rem; }
  .inner-banner__subtitle { font-size: 0.88rem; }
  .breadcrumb { padding: 9px 16px; font-size: 0.76rem; }

  /* ---------- 横滑轨道通用规则 ---------- */
  .product-categories,
  .product-list--scroll,
  .commitments,
  .case-grid--scroll,
  .certs-grid,
  .news-mini--scroll,
  .green-metrics {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    /* 左右出血到屏幕边缘，让下一张露出一角作为滑动提示 */
    margin-left: -16px;
    margin-right: -16px;
    padding: 2px 16px 10px;
    scroll-padding-left: 16px;
  }
  .product-categories::-webkit-scrollbar,
  .product-list--scroll::-webkit-scrollbar,
  .commitments::-webkit-scrollbar,
  .case-grid--scroll::-webkit-scrollbar,
  .certs-grid::-webkit-scrollbar,
  .news-mini--scroll::-webkit-scrollbar,
  .green-metrics::-webkit-scrollbar { display: none; }

  .product-categories > *,
  .product-list--scroll > *,
  .commitments > *,
  .case-grid--scroll > *,
  .certs-grid > *,
  .news-mini--scroll > *,
  .green-metrics > * {
    flex-grow: 0;
    flex-shrink: 0;
    scroll-snap-align: start;
  }
  .product-categories > * { flex-basis: 46%; }
  .product-list--scroll > * { flex-basis: 74%; }
  .commitments > * { flex-basis: 72%; }
  .case-grid--scroll > * { flex-basis: 76%; }
  .certs-grid > * { flex-basis: 50%; }
  .news-mini--scroll > * { flex-basis: 78%; }
  .green-metrics > * { flex-basis: 72%; }

  /* ---------- 横滑指示点（由 main.js 注入） ---------- */
  .hscroll-dots { display: flex; justify-content: center; gap: 5px; margin-top: 2px; }
  .hscroll-dots span {
    width: 6px; height: 6px; border-radius: 50%;
    background: rgba(0,0,0,0.14);
    transition: all var(--duration-fast) var(--ease-out);
  }
  .hscroll-dots span.on {
    width: 18px; border-radius: 3px; background: var(--green);
  }

  /* ---------- 环保数据 ---------- */
  .stats-section { padding: 20px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 16px 10px; }
  .stat-card__number { font-size: 1.65rem; margin-bottom: 2px; }
  .stat-card__label { font-size: 0.76rem; }

  /* ---------- 产品分类卡 ---------- */
  .cat-card { padding: 20px 12px; }
  .cat-card__icon { width: 46px; height: 46px; font-size: 1.15rem; margin-bottom: 10px; }
  .cat-card__title { font-size: 0.92rem; margin-bottom: 4px; }
  .cat-card__desc { font-size: 0.74rem; line-height: 1.5; }

  /* ---------- 产品卡 ---------- */
  .product-card__body { padding: 12px; }
  .product-card__tag { font-size: 0.64rem; padding: 2px 8px; margin-bottom: 6px; }
  .product-card__title { font-size: 0.92rem; }
  .product-card__specs { gap: 6px; margin-top: 6px; font-size: 0.7rem; }
  .product-card__spec { padding: 3px 7px; }

  /* ---------- 绿色承诺卡 ---------- */
  .commit-card { padding: 18px 12px; }
  .commit-card__icon { width: 48px; height: 48px; font-size: 1.15rem; margin-bottom: 10px; }
  .commit-card__title { font-size: 0.95rem; margin-bottom: 5px; }
  .commit-card__desc { font-size: 0.78rem; line-height: 1.6; }

  /* ---------- 案例卡 ---------- */
  .case-card__body { padding: 12px; }
  .case-card__title { font-size: 0.92rem; }
  .case-card__tag { font-size: 0.64rem; padding: 2px 8px; }

  /* ---------- 认证卡 ---------- */
  .certs-section { padding: 26px 0; }
  .cert-card { padding: 16px 10px; }
  .cert-card__icon { width: 42px; height: 42px; font-size: 1rem; margin-bottom: 8px; }
  .cert-card__name { font-size: 0.85rem; margin-bottom: 3px; }
  .cert-card__desc { font-size: 0.7rem; line-height: 1.5; }

  /* ---------- 新闻卡 ---------- */
  .news-mini-card__body { padding: 12px; }
  .news-mini-card__date { font-size: 0.68rem; margin-bottom: 3px; }
  .news-mini-card__title { font-size: 0.88rem; line-height: 1.5; }

  /* ---------- 网格下方按钮行 ---------- */
  .grid-cta { margin-top: 18px; }
  .grid-cta .btn { width: 100%; justify-content: center; }

  /* ---------- 列表页：目录型 → 2 列，便于扫全 ---------- */
  .page-layout { grid-template-columns: 1fr; padding: 20px 16px; gap: 18px; }
  .sidebar { display: none; }
  .list-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .list-card__body { padding: 11px; }
  .list-card__title { font-size: 0.88rem; }
  .filter-bar { gap: 6px; padding-bottom: 10px; }
  .filter-bar a { padding: 6px 12px; font-size: 0.76rem; }
  .pagination { margin-top: 22px; }
  .pagination a { min-width: 34px; height: 34px; font-size: 0.78rem; }

  /* ---------- 详情页 ---------- */
  .product-detail { grid-template-columns: 1fr; gap: 20px; }
  .product-specs { grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 14px 0; }
  .product-specs__item { padding: 10px; }
  .detail__body { font-size: 0.88rem; line-height: 1.8; }
  .detail__body p { margin-bottom: 12px; }
  .detail__body h2 { font-size: 1.15rem; margin: 20px 0 10px; }
  .detail__body h3 { font-size: 1rem; margin: 16px 0 6px; }
  .detail__body img { margin: 14px 0; }
  /* 参数表在窄屏被压成很多行 → 给最小宽度让它横向滚动 */
  .tech-table { min-width: 620px; }
  .tech-table th, .tech-table td { padding: 9px 11px; font-size: 0.78rem; }

  /* ---------- 联系 / 询价 ---------- */
  .contact-grid { grid-template-columns: 1fr; gap: 22px; }
  .contact-info__item { padding: 12px; gap: 10px; }
  .contact-info__icon { width: 38px; height: 38px; font-size: 0.9rem; }
  .form-row { grid-template-columns: 1fr; }
  .form-group { margin-bottom: 14px; }

  /* ---------- CTA ---------- */
  .cta-section { padding: 34px 0; }
  .cta-section__title { font-size: 1.3rem; }
  .cta-features { flex-direction: column; align-items: center; gap: 8px; }
  .cta-section .btn { width: 100%; justify-content: center; }

  /* ---------- 搜索页 ---------- */
  .search-result-item { flex-direction: column; gap: 10px; padding: 12px; }
  .search-result-item__thumb { width: 100%; height: 140px; }

  /* ---------- Footer：四列改两列 + 通栏 ---------- */
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px 18px;
    padding: 26px 16px 20px;
  }
  .footer__grid > div:first-child { grid-column: 1 / -1; }
  .footer__brand-desc { font-size: 0.78rem; line-height: 1.6; margin: 10px 0; }
  .footer__social a { width: 32px; height: 32px; font-size: 0.82rem; }
  .footer__col-title { font-size: 0.86rem; margin-bottom: 10px; }
  .footer__links { gap: 6px; }
  .footer__links a { font-size: 0.78rem; }
  .footer__contact-item { font-size: 0.76rem; margin-bottom: 7px; gap: 8px; }
  /* 关注我们：通栏 + 二维码与说明横向排布 */
  .footer__grid > div:last-child {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .footer__grid > div:last-child .footer__col-title { display: none; }
  .footer__qrcode { width: 74px; height: 74px; flex-shrink: 0; font-size: 0.64rem; }
  .footer__qr-text { font-size: 0.74rem; margin-top: 0; }
  .footer__bottom-inner { flex-direction: column; text-align: center; padding: 0 16px; font-size: 0.72rem; }
}

/* ============================================================
   动画工具类
   ============================================================ */
[data-aos] { transition-timing-function: var(--ease-out); }

/* 懒加载图片占位 */
.lazy-img {
  background: var(--gray-50);
  transition: opacity 0.4s ease;
}
.lazy-img.loaded {
  background: transparent;
}

/* 数字滚动 */
.countup { display: inline; }

/* 卡片浮动微动 */
.float-hover {
  transition: transform var(--duration-normal) var(--ease-out);
}
.float-hover:hover {
  transform: translateY(-4px);
}