:root {
  --green: #29927a;
  --dark-green: #1a6b53;
  --text: #333;
  --gray: #888;
  --light-gray: #f5f5f5;
  --white: #fff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: system-ui, -apple-system, sans-serif; color: var(--text); line-height: 1.6; }
a { text-decoration: none; color: inherit; }

/* ── Header ── */
.header {
  background: var(--white);
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { width: 160px; height: auto; }
.logo-text { font-size: 13px; color: var(--gray); line-height: 1.4; }

.nav { display: flex; gap: 40px; }
.nav a { font-size: 15px; color: var(--text); transition: color .2s; }
.nav a:hover, .nav a.active { color: var(--green); }

.header-search { margin-left: 20px; }
.header-search-form {
  display: flex;
  align-items: center;
  background: var(--light-gray);
  border-radius: 20px;
  padding: 4px 4px 4px 16px;
  transition: box-shadow .2s;
}
.header-search-form:focus-within {
  box-shadow: 0 0 0 2px var(--green);
}
.header-search-input {
  border: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  outline: none;
  width: 160px;
  transition: width .2s;
}
.header-search-input::placeholder {
  color: var(--gray);
}
.header-search-input:focus {
  width: 200px;
}
.header-search-btn {
  border: none;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .2s, transform .1s;
}
.header-search-btn:hover {
  background: #2a8a5e;
}
.header-search-btn:active {
  transform: scale(.95);
}

/* ── Banner ── */
.banner {
  height: 600px;
  position: relative;
  overflow: hidden;
  background: #222;
}
.banner-slide {
  position: absolute;
  inset: 0;
  background: center/cover no-repeat;
  opacity: 0;
  transition: opacity .8s ease;
}
.banner-slide.active { opacity: 1; }
.banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1;
}
.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  z-index: 2;
  width: 100%;
}
.banner-content h1 { font-size: 52px; font-weight: 700; margin-bottom: 16px; }
.banner-content p { font-size: 28px; font-weight: 400; }
.banner-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 10px;
}
.banner-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,.5);
  cursor: pointer;
  transition: background .2s;
}
.banner-dots span.active { background: #fff; }
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  background: rgba(0,0,0,.3);
  color: #fff;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  transition: background .2s;
}
.banner-arrow:hover { background: rgba(0,0,0,.6); }
.banner-arrow.left { left: 20px; }
.banner-arrow.right { right: 20px; }

/* ── Section Base ── */
.section { max-width: 1200px; margin: 0 auto; padding: 80px 20px; }
.section-title {
  text-align: center;
  margin-bottom: 60px;
}
.section-title h2 { font-size: 42px; color: var(--text); margin-bottom: 8px; }
.section-title span { font-size: 14px; color: var(--gray); letter-spacing: 2px; }

/* ── About ── */
.about {
  background: linear-gradient(180deg, #b8d8ce 0%, #29927a 100%);
  padding: 80px 20px;
}
.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.about-img {
  height: 420px;
  overflow: hidden;
  border-radius: 12px;
}
.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about-text h2 { font-size: 42px; color: #fff; margin-bottom: 8px; font-weight: 700; text-align: center; }
.about-text > span { font-size: 14px; color: rgba(255,255,255,.6); letter-spacing: 2px; display: block; margin-bottom: 32px; text-align: center; }
.about-text p { font-size: 16px; line-height: 2; color: rgba(255,255,255,.85); margin-bottom: 20px; }
.about-checkmarks { display: flex; flex-direction: column; gap: 12px; }
.checkmark-item { display: flex; align-items: center; gap: 10px; font-size: 15px; color: rgba(255,255,255,.9); }
.checkmark-item::before {
  content: '✔';
  color: #4ade80;
  font-size: 16px;
  flex-shrink: 0;
}
.about-stats { background: #fff; }
.about-stats-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid #e8e8e8; }
.stat { text-align: center; padding: 40px 20px; border-right: 1px solid #e8e8e8; }
.stat:last-child { border-right: none; }
.stat-num { font-size: 48px; font-weight: 700; color: var(--green); font-family: 'Trebuchet MS', sans-serif; }
.stat-label { font-size: 13px; color: var(--gray); margin-top: 8px; }

/* ── Products ── */
.products { background: var(--light-gray); padding: 50px 0; }
.product-carousel { position: relative; max-width: 1200px; margin: 0 auto; padding: 0 60px; overflow: hidden; }
.product-track {
  display: flex;
  gap: 24px;
  transition: transform 1.5s ease;
}
.product-card {
  flex: 0 0 calc(33.333% - 16px);
  min-width: calc(33.333% - 16px);
  background: var(--white);
  cursor: pointer;
  border-radius: 10px;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,.1); }
.product-img { height: 220px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.product-card:hover .product-img img { transform: scale(1.04); }
.product-name { padding: 16px; text-align: center; font-size: 14px; color: var(--text); font-weight: 500; }
.product-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.9);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
  transition: background .2s;
  z-index: 2;
}
.product-arrow:hover { background: var(--white); box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.product-arrow.left { left: 8px; }
.product-arrow.right { right: 8px; }

/* ── Knowledge ── */
.knowledge { background: var(--white); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card { border-radius: 12px; overflow: hidden; background: var(--light-gray); transition: box-shadow .25s; cursor: pointer; }
.news-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,.08); }
.news-img { height: 200px; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.news-card:hover .news-img img { transform: scale(1.04); }
.news-body { padding: 20px; }
.news-title { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.news-desc { font-size: 13px; color: var(--gray); margin-bottom: 12px; }
.news-date { font-size: 12px; color: #aaa; }

/* ── Quote Banner ── */
.quote-banner {
  height: 433px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  background: center/cover no-repeat fixed;
  position: relative;
}
.quote-banner-1 { background-image: url('../images/-52806.jpg'); }
.quote-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
}
.quote-banner .container { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; gap: 16px; }
.quote-banner p { font-size: 28px; font-weight: 400; line-height: 1.8; }
.quote-banner .quote { font-size: 80px; color: var(--green); line-height: 1; flex-shrink: 0; }

/* ── Full Image ── */
.full-img { width: 100%; max-height: 600px; overflow: hidden; }
.full-img img { width: 100%; height: 100%; object-fit: cover; }
.full-img-full { max-height: none; }

/* ── Bottom Bar ── */
.bottom-bar {
  background: #fff;
  text-align: center;
  padding: 8px 20px;
  font-size: 12px;
  color: #989898;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.bottom-row { display: flex; justify-content: center; align-items: center; gap: 8px; flex-wrap: wrap; }
.bottom-bar a { color: #989898; text-decoration: none; }
.bottom-bar a:hover { color: #666; }
.bottom-bar .divider { color: #ccc; }
.ga-icon { width: 12px; height: 12px; vertical-align: middle; display: inline; margin-right: 5px; }

/* ── Footer ── */
.footer { background: var(--green); }
.footer-inner { max-width: 1200px; margin: 0 auto; height: 239px; position: relative; }
.footer-company { position: absolute; top: 11px; left: 0; right: 0; text-align: center; font-size: 26px; color: #fff; font-weight: bold; }
.footer-desc { position: absolute; top: 73px; left: 0; right: 0; text-align: center; font-size: 18px; color: rgba(255,255,255,.9); }
.footer-contact { position: absolute; top: 140px; display: flex; justify-content: center; gap: 80px; width: 100%; }
.footer-contact-item { display: flex; align-items: center; gap: 6px; font-size: 14px; color: rgba(255,255,255,.85); }
.footer-contact-item a { color: rgba(255,255,255,.85); text-decoration: none; }

/* ── 关于我们页 ── */
.about-hero {
  background: linear-gradient(180deg, #fff 0%, #29927a 100%);
  padding: 60px 20px 0;
}
.about-hero-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.about-company-name {
  display: block;
  font-family: "Source Han Sans", "Microsoft YaHei", "微软雅黑", system-ui, sans-serif;
  font-size: 42px;
  font-weight: 700;
  color: #000;
  margin-bottom: 16px;
}
.about-company-en {
  display: block;
  font-family: system-ui, "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 24px;
  color: #000;
  margin-bottom: 40px;
}
.about-intro {
  font-family: "Open Sans", system-ui, "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 18px;
  line-height: 1.75;
  color: #000;
  max-width: 1000px;
  margin: 0 auto;
  text-align: justify;
}

.about-stats-white { background: #fff; }
.about-stats-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); }
.about-stat { text-align: center; padding: 40px 20px; }
.about-stat-num {
  font-family: "Trebuchet MS", Helvetica, sans-serif;
  font-size: 54px;
  font-weight: 400;
  color: #555;
  display: block;
}
.about-stat-label {
  font-family: "Source Han Sans", Geneva, sans-serif;
  font-size: 14px;
  color: #aaa;
  margin-top: 12px;
  display: block;
}

.about-mission {
  background: #fff;
  padding: 80px 20px;
}
.about-mission-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-mission-img { overflow: hidden; height: 455px; }
.about-mission-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-mission-title {
  font-family: "Source Han Sans", "Microsoft YaHei", "微软雅黑", system-ui, sans-serif;
  font-size: 34px;
  font-weight: 700;
  color: #444;
  display: inline;
  margin-bottom: 40px;
}
.about-mission-title .quote-mark {
  font-family: "Arial Black", "Arial", sans-serif;
  font-size: 84px;
  color: #29927a;
  vertical-align: -0.5em;
  margin-left: 8px;
}
.about-mission-text p {
  font-family: "Open Sans", system-ui, "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 3;
  color: #000;
  text-align: justify;
}
/* ── 产品中心页 ── */
.cpzx-hero {
  height: 329px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: center/cover no-repeat;
  background-image: url('../images/banner3.png');
  position: relative;
}
.cpzx-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.4);
}
.cpzx-hero-inner { position: relative; z-index: 1; text-align: center; }
.cpzx-title {
  font-family: "Source Han Sans", "Microsoft YaHei", "微软雅黑", system-ui, sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.cpzx-subtitle {
  font-family: system-ui, "Microsoft YaHei", sans-serif;
  font-size: 18px;
  color: rgba(255,255,255,.8);
  letter-spacing: 4px;
}

.product-center {
  background: #f5f5f5;
  padding: 40px 20px 80px;
}
.product-center-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
.product-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.sidebar-title {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: cadetblue;
}
/* 一级分类：天生突出，绿色底白字 */
.cat-item.top-cat > a {
  display: block;
  padding: 13px 20px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: #29927a;
  border-left: 3px solid #1a6b55;
  border-bottom: 1px solid rgba(255,255,255,.15);
  transition: background .15s;
}
.cat-item.top-cat > a:hover { background: #236b5a; }
.cat-item.top-cat.active > a { background: #1f5c4b; }

/* 二级分类：保持原样 */
.sub-cat-list { background: #fafafa; }
.sub-cat-item > a {
  display: block;
  padding: 10px 20px 10px 32px;
  font-size: 13px;
  color: #666;
  border-bottom: 1px solid #f0f0f0;
  transition: background .15s;
}
.sub-cat-item > a:hover { background: #f0f0f0; color: #333; }
.sub-cat-item.active > a { color: #29927a; font-weight: 700; background: #e8f5f2; }


.product-main { flex: 1; min-width: 0; }
.product-main-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.product-main-title { font-size: 18px; font-weight: 700; color: #222; }
.product-main-count { font-size: 13px; color: #999; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  transition: box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
  transform: translateY(-2px);
}
.product-card-img {
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: #f5f5f5;
}
.product-card-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card-body { padding: 14px; flex: 1; }
.product-card-name {
  font-size: 13px;
  font-weight: 700;
  color: #333;
  line-height: 1.4;
  margin-bottom: 6px;
}
.product-card-meta {
  font-size: 12px;
  color: #888;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-pagination {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 40px;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  font-size: 14px;
  color: #666;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  transition: all .15s;
}
.page-btn:hover { border-color: #29927a; color: #29927a; }
.page-btn.active { background: #29927a; color: #fff; border-color: #29927a; }
.page-ellipsis { display: inline-flex; align-items: center; height: 36px; color: #999; padding: 0 4px; }

@media (max-width: 960px) {
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .product-related-grid { grid-template-columns: repeat(2, 1fr); }
  .product-center-inner { flex-direction: column; }
  .product-sidebar { width: 100%; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { height: auto; padding: 30px 20px; }
  .footer-contact { position: static; flex-direction: column; gap: 12px; align-items: center; margin-top: 20px; }
}
/* ── 知识中心页 ── */
.zszx-hero {
  height: 350px;
  position: relative;
  overflow: hidden;
  background: center/cover no-repeat;
  background-image: url('../images/banner2.jpg');
}
.zszx-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.4);
}
.zszx-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.zszx-title {
  font-family: "Source Han Sans", "Microsoft YaHei", "微软雅黑", system-ui, sans-serif;
  font-size: 54px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.zszx-subtitle {
  font-family: system-ui, "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 18px;
  color: rgba(255,255,255,.8);
  letter-spacing: 3px;
}

/* ── 联系我们页 ── */
.lxwm-hero {
  background: #fff;
  padding: 40px 20px 20px;
  text-align: center;
}
.lxwm-title {
  font-family: "Source Han Sans", "Microsoft YaHei", "微软雅黑", system-ui, sans-serif;
  font-size: 42px;
  font-weight: 700;
  color: #29927a;
  margin-bottom: 8px;
}
.lxwm-subtitle {
  font-family: system-ui, "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 14px;
  color: #888;
  letter-spacing: 2px;
  display: block;
}

.lxwm-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px 80px;
  display: flex;
  justify-content: center;
}
.lxwm-left {
  display: flex;
  flex-direction: row;
  gap: 40px;
  align-items: flex-start;
  max-width: 100%;
}
.lxwm-photo {
  width: 400px;
  overflow: hidden;
  flex-shrink: 0;
}
.lxwm-photo img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .3s;
}
.lxwm-photo:hover img { transform: scale(1.02); }
.lxwm-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  min-width: 300px;
}
.lxwm-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.lxwm-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: #000;
  font-family: system-ui, "Microsoft YaHei", "微软雅黑", sans-serif;
  line-height: 1.6;
}
.lxwm-info-icon {
  font-size: 10px;
  color: #29927a;
  flex-shrink: 0;
  margin-top: 3px;
}
.lxwm-info-list li a { color: #000; text-decoration: none; }
.lxwm-info-list li a:hover { color: #29927a; }
.lxwm-qr {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.lxwm-qr img {
  width: 180px;
  height: auto;
  display: block;
}
.lxwm-right iframe { display: block; }

/* ── 文章详情页 ── */
.article-breadcrumb {
  background: #f8f8f8;
  border-bottom: 1px solid #eee;
}
.article-breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  font-size: 13px;
  color: #888;
}
.article-breadcrumb-inner a { color: #888; text-decoration: none; }
.article-breadcrumb-inner a:hover { color: #29927a; }
.article-breadcrumb-inner span { color: #aaa; }

.article-wrap {
  background: #fff;
  padding: 50px 20px 80px;
}
.article-inner {
  max-width: 860px;
  margin: 0 auto;
}
.article-title {
  font-size: 30px;
  font-weight: 800;
  color: #222;
  text-align: center;
  margin-bottom: 0;
  line-height: 1.35;
  font-family: "Noto Sans CJK", "Microsoft YaHei", system-ui, sans-serif;
  letter-spacing: -0.5px;
}
.article-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 16px 0 32px;
  padding-bottom: 28px;
  border-bottom: 2px solid #f0f0f0;
  position: relative;
}
.article-meta-bar::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: #29927a;
}
.article-cat {
  background: #29927a;
  color: #fff;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 500;
}
.article-date, .article-views {
  font-size: 13px;
  color: #999;
}
.article-cover {
  margin-bottom: 28px;
  text-align: center;
}
.article-cover img {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
}
.article-body {
  font-size: 15px;
  line-height: 2;
  color: #444;
  font-family: "Microsoft YaHei", system-ui, sans-serif;
}
.article-body p {
  margin-bottom: 20px;
  text-align: justify;
}
.article-body h2 {
  font-size: 18px;
  font-weight: 700;
  color: #29927a;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e8e8e8;
}
.article-body strong { color: #333; font-weight: 700; }

.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin: 0 auto 60px;
  padding: 24px 0 0;
  border-top: 1px solid #eee;
  flex-wrap: wrap;
  max-width: 860px;
}
.article-prev, .article-next {
  font-size: 14px;
  color: #888;
  text-decoration: none;
  transition: color .2s;
  max-width: 45%;
  line-height: 1.5;
}
.article-prev:hover, .article-next:hover { color: #29927a; }
.article-next-disabled { color: #ccc; pointer-events: none; }

/* ── 产品详情页 ── */
.product-hero-img {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  background: #f5f5f5;
}
.product-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-detail-title {
  background: #fff;
  padding: 30px 20px 10px;
  text-align: center;
}
.product-detail-title h1 {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 28px;
  font-weight: 700;
  color: #333;
  font-family: "Microsoft YaHei", system-ui, sans-serif;
}
.product-detail-content {
  background: #fff;
  padding: 20px 20px 40px;
}
.product-detail-inner {
  max-width: 860px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 2;
  color: #444;
  font-family: "Microsoft YaHei", system-ui, sans-serif;
}
.product-detail-inner p {
  margin-bottom: 20px;
  text-align: justify;
}
/* ── 产品详情页布局调整 ── */
.product-detail-hero {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
  align-items: start;
}

.product-detail-img {
  flex-shrink: 0;
  width: 400px;
  max-width: 400px;
}

.product-detail-img img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  display: block;
}

.product-detail-summary {
  flex: 1;
  min-width: 0;
  padding: 0;
  background: transparent;
}

.product-detail-subtitle {
  font-size: 18px;
  font-weight: 700;
  color: #29927a;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #e8e8e8;
}

.product-detail-summary-content {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
  margin-bottom: 16px;
}

/* 产品说明标题样式 */
.product-content-wrapper {
  background: #fff;
  padding: 32px 0;
}

.product-content-title {
  font-size: 20px;
  font-weight: 700;
  color: #333;
  text-align: center;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 3px solid #29927a;
  letter-spacing: 2px;
}

.product-related {
  background: #f9f9f9;
  padding: 40px 20px;
  border-top: 1px solid #eee;
}
.product-related-inner { max-width: 1200px; margin: 0 auto; }
.product-related-title {
  font-size: 18px;
  font-weight: 700;
  color: #333;
  margin-bottom: 24px;
}
.product-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.product-related-item {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  transition: box-shadow .2s;
}
.product-related-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); }
.product-related-img { height: 150px; overflow: hidden; }
.product-related-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.product-related-item:hover .product-related-img img { transform: scale(1.04); }
.product-related-name { padding: 14px; font-size: 13px; color: #333; font-weight: 500; text-align: center; }

.zszx-list-wrap {
  background: #fff;
  padding: 0 20px 80px;
}
.zszx-list {
  max-width: 1200px;
  margin: 0 auto;
}
.article-list { list-style: none; }
.article-item {
  display: flex;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid #eee;
}
.article-item:first-child { border-top: 1px solid #eee; }
.article-img-link {
  flex-shrink: 0;
  width: 116px;
  height: 88px;
  overflow: hidden;
  display: block;
}
.article-img-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s;
}
.article-item:hover .article-img-link img { transform: scale(1.04); }
.article-body {
  flex: 1;
  padding-left: 16px;
  min-height: 88px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.article-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: #333;
  margin-bottom: 6px;
  line-height: 1.4;
}
.article-body h3 a { color: #333; text-decoration: none; transition: color .2s; }
.article-body h3 a:hover { color: #29927a; }
.article-body p { font-size: 13px; color: #888; margin-bottom: 8px; line-height: 1.5; }
.article-meta { display: flex; align-items: center; gap: 16px; font-size: 12px; color: #aaa; }

.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a { display: inline-block; padding: 6px 14px; font-size: 13px; color: #888; border: 1px solid #e0e0e0; border-radius: 4px; transition: background .2s, color .2s; }
.pagination a:hover, .pagination a.active { background: #29927a; color: #fff; border-color: #29927a; }
.pagination a.page-prev, .pagination a.page-next { padding: 6px 16px; }

@media (max-width: 640px) {
  .nav { gap: 20px; }
  .nav a { font-size: 13px; }
  .banner h1 { font-size: 32px; }
  .banner-content p { font-size: 18px; }
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats-grid .stat:nth-child(2) { border-right: none; }
  .about-stats-grid .stat:nth-child(1), .about-stats-grid .stat:nth-child(2) { border-bottom: 1px solid #e8e8e8; }
  .section-title h2 { font-size: 28px; }
}

/* 搜索框样式 */
.product-main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
}

.product-main-title-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.product-search-box {
  flex-shrink: 0;
}

.search-form {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  padding: 6px 12px;
  transition: border-color .2s, box-shadow .2s;
  width: 280px;
}

.search-form:focus-within {
  border-color: #29927a;
  box-shadow: 0 0 0 3px rgba(41, 146, 122, 0.1);
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 13px;
  color: #333;
  background: transparent;
  min-width: 0;
}

.search-input::placeholder {
  color: #aaa;
}

.search-clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: none;
  background: #f0f0f0;
  color: #666;
  font-size: 16px;
  border-radius: 50%;
  cursor: pointer;
  transition: background .2s, color .2s;
  flex-shrink: 0;
  padding: 0;
  line-height: 1;
}

.search-clear:hover {
  background: #e0e0e0;
  color: #333;
}

.search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: #29927a;
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
  transition: background .2s;
  flex-shrink: 0;
  padding: 0;
}

.search-btn:hover {
  background: #247a68;
}

.search-btn:active {
  background: #1f6b5c;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .product-main-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .product-main-title-group {
    width: 100%;
  }

  .product-search-box {
    width: 100%;
  }

  .search-form {
    width: 100%;
  }

  .header-search {
    display: none;
  }

  /* 产品详情页移动端适配 */
  .product-detail-hero {
    flex-direction: column;
    gap: 20px;
  }

  .product-detail-img {
    width: 100%;
    max-width: 100%;
  }

  .product-detail-summary {
    padding: 0;
  }

  .product-content-title {
    font-size: 18px;
    margin-bottom: 16px;
  }
}

/* ── 产品详情页表格 ── */
.product-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px auto;
  font-size: 14px;
  border: 1px solid #e0e0e0;
}

.product-body table th,
.product-body table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border: 1px solid #e0e0e0;
}

/* 第一列样式：固定宽度，绿色底色，居中 */
.product-body table th:first-child,
.product-body table td:first-child {
  width: 140px;
  min-width: 140px;
  max-width: 140px;
  background: #29927a;
  color: #fff;
  font-weight: 500;
  text-align: center;
  vertical-align: middle;
}

/* 第二列样式：浅灰色，离边框有距离 */
.product-body table th:nth-child(2),
.product-body table td:nth-child(2) {
  background: #f5f5f5;
  color: #333;
  padding-left: 20px;
  padding-right: 20px;
}

/* 表头样式 */
.product-body table th {
  font-weight: 600;
  font-size: 13px;
}

/* 表格行悬停效果 */
.product-body table tr:hover td:not(:first-child) {
  background: #ebebeb;
}

/* 响应式设计：小屏幕下表格 */
@media (max-width: 640px) {
  .product-body table {
    font-size: 13px;
  }

  .product-body table th:first-child,
  .product-body table td:first-child {
    width: 100px;
    min-width: 100px;
    max-width: 100px;
    padding: 8px 10px;
  }

  .product-body table th:nth-child(2),
  .product-body table td:nth-child(2) {
    padding: 8px 12px;
  }
}