/* =========================================================
 * style.css — 桌面端样式（1920 设计稿 1:1 还原）
 * 页面间同名类通过 body[data-page] 作用域隔离
 * 移动端适配见 mobile.css（≤1024px）
 * ========================================================= */

/* ========== 基础重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  color: #333;
  background: #fff;
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul, li { list-style: none; }
button { font-family: inherit; }

/* 桌面 1920 设计稿：低于 1920 由 js/app.js 缩放铺满；超过 1920 时整体居中 */
.page-wrapper { width: 1920px; position: relative; margin: 0 auto; }
.container { width: 1620px; margin: 0 auto; position: relative; }
main { display: block; }

/* 通用标题 */
.en-title {
  font-size: 14px;
  color: #2272CB;
  letter-spacing: 2px;
  font-weight: normal;
}
.cn-title {
  font-size: 30px;
  color: #333;
  font-weight: bold;
  margin-top: 4px;
}

/* ========== 顶部导航 ========== */
.header {
  width: 100%;
  background: #fff;
  border-bottom: 1px solid #eee;
}
.nav-wrap {
  height: 115px;
  display: flex;
  align-items: center;
}
.logo img { height: 80px; }
.nav {
  margin-left: auto;
  margin-right: 50px;
  display: flex;
  gap: 45px;
}
.nav a {
  font-size: 16px;
  color: #333;
  position: relative;
  padding: 6px 0;
}
.nav a.active,
.nav a:hover { color: #2272CB; }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background: #2272CB;
}
.nav-toggle { display: none; }

/* 语言切换菜单：悬停展开 */
.lang-menu-wrap { position: relative; }
.lang-btn {
  border: 1px solid #2272CB;
  color: #2272CB;
  padding: 6px 22px;
  border-radius: 22px;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
}
.lang-btn:hover { background: #2272CB; color: #fff; }
.lang-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  border-radius: 4px;
  min-width: 120px;
  padding: 6px 0;
}
.lang-menu a {
  display: block;
  padding: 8px 18px;
  color: #333;
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
}
.lang-menu a:hover { color: #2272CB; background: #f2f7ff; }
.lang-menu-wrap:hover .lang-menu,
.lang-menu-wrap.open .lang-menu { display: block; }

/* ========== Banner（默认 879px，首页/产品 886px） ========== */
.banner {
  position: relative;
  width: 100%;
  height: 879px;
  overflow: hidden;
}
body[data-page="home"] .banner,
body[data-page="products"] .banner,
body[data-page="product-detail"] .banner { height: 886px; }
.banner-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* 首页轮播图：多张背景图叠放 + 淡入切换 + 圆点指示 */
.banner-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.banner-slider .zl-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease;
}
.banner-slider .zl-slide.is-active { opacity: 1; }
.banner-dots {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 3;
}
.banner-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .55);
  cursor: pointer;
  transition: background .3s;
}
.banner-dots span.is-active { background: #2272CB; }
.banner-text {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding-top: 295px;
  z-index: 2;
}
.banner-text h1 {
  font-size: 44px;
  color: #fff;
  font-weight: bold;
  letter-spacing: 2px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .5);
}
.banner-text p {
  font-size: 28px;
  color: #fff;
  margin-top: 25px;
  line-height: 1.5;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .5);
}
.banner-btn {
  display: inline-block;
  margin-top: 40px;
  padding: 12px 38px;
  background: #fff;
  color: #2272CB;
  border-radius: 30px;
  font-size: 15px;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(0, 0, 0, .15);
}
.banner-btn:hover { background: #2272CB; color: #fff; }

/* ========== 订阅区 ========== */
.subscribe {
  background: linear-gradient(135deg, #D6ECFE 0%, #EAF5FF 50%, #F5FBFF 100%);
  padding: 70px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.subscribe::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle, rgba(34, 114, 203, .08) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}
.subscribe .container { position: relative; z-index: 1; }
.sub-title {
  font-size: 32px;
  color: #2272CB;
  font-weight: bold;
}
.sub-desc {
  font-size: 16px;
  color: #555;
  margin: 18px 0 35px;
}
.sub-form {
  display: flex;
  justify-content: center;
  gap: 0;
}
.sub-form input {
  width: 460px;
  height: 50px;
  border: none;
  padding: 0 25px;
  font-size: 14px;
  color: #999;
  outline: none;
  border-radius: 4px 0 0 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .06);
}
.sub-form button {
  width: 130px;
  height: 50px;
  border: none;
  background: #2272CB;
  color: #fff;
  font-size: 15px;
  cursor: pointer;
  border-radius: 0 4px 4px 0;
}
.sub-form button:hover { background: #1a5fb0; }
.sub-form button:disabled { opacity: .6; cursor: default; }
.sub-msg {
  height: 20px;
  margin-top: 14px;
  text-align: center;
  font-size: 14px;
  color: #2272CB;
}

/* ========== 页脚 ========== */
.footer {
  position: relative;
  background: #101115;
  color: #b0b0b0;
  overflow: hidden;
}
.footer-top {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 35px 0;
  border-bottom: 1px solid #2a2a2a;
}
.wx-left .wx-tip {
  font-size: 18px;
  color: #fff;
  line-height: 1.4;
}
.wx-left .wx-scan {
  font-size: 14px;
  color: #888;
  margin-top: 8px;
  line-height: 1.4;
}
.wx-left { margin-top: -6px; }
.wx-qr {
  display: flex;
  gap: 15px;
  align-items: center;
}
.wx-qr img {
  width: 90px;
  height: 90px;
  background: #fff;
  padding: 5px;
  border-radius: 4px;
}
.footer-main {
  position: relative;
  z-index: 1;
  display: flex;
  padding: 50px 0;
  gap: 80px;
}
.footer-contact { width: 520px; flex-shrink: 0; }
.footer-logo {
  height: 70px;
  margin-bottom: 20px;
}
.footer-contact p {
  font-size: 14px;
  color: #999;
  line-height: 2;
}
.footer-nav {
  flex: 1;
  display: flex;
  justify-content: space-between;
}
.footer-col h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 18px;
  font-weight: normal;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: #888;
  margin-bottom: 12px;
}
.footer-col a:hover { color: #2272CB; }
.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid #2a2a2a;
  text-align: center;
  padding: 20px 0;
  background: #0a0a0c;
}
.footer-bottom p {
  font-size: 13px;
  color: #777;
}

/* ========== 联系方式侧栏卡片（内页共用） ========== */
.cs-card {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}
.cs-head {
  background: linear-gradient(135deg, #2272cb 0%, #1a5bb0 100%);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  padding: 20px 24px;
}
.cs-body { padding: 8px 24px 16px; }
.cs-item {
  display: flex;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px dashed #e5e5e5;
  font-size: 15px;
  line-height: 1.6;
}
.cs-item:last-child { border-bottom: none; }
.cs-label {
  color: #999;
  flex-shrink: 0;
  min-width: 88px;
  margin-right: 12px;
}
.cs-value {
  color: #333;
  word-break: break-all;
}

/* ========== 回到顶部按钮 ========== */
.back-top {
  position: fixed;
  right: 40px;
  bottom: 80px;
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  background: #2272CB;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(34, 114, 203, .35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s, transform .3s, visibility .3s, background .2s;
  z-index: 900;
}
.back-top.on {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover { background: #1a5fb0; }

/* =========================================================
 * 首页
 * ========================================================= */
/* ---- 关于我们 ---- */
body[data-page="home"] .about {
  background: #E5EEF9;
  padding: 80px 0 90px;
}
body[data-page="home"] .about-wrap {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}
body[data-page="home"] .about-left { width: 800px; flex-shrink: 0; }
body[data-page="home"] .about-left .about-slogan {
  font-size: 18px;
  color: #2272CB;
  margin: 18px 0 25px;
  font-weight: bold;
}
body[data-page="home"] .about-desc {
  font-size: 15px;
  color: #555;
  line-height: 1.9;
  text-indent: 2em;
}
body[data-page="home"] .about-cert {
  margin: 30px 0 25px;
  width: 788px;
}
body[data-page="home"] .about-right {
  flex: 1;
  position: relative;
}
body[data-page="home"] .about-right-img {
  width: 100%;
  border-radius: 6px;
}
body[data-page="home"] .data-cards {
  position: absolute;
  top: 55px;
  left: 180px;
  width: 566px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .12);
}
body[data-page="home"] .data-card {
  padding: 32px 20px;
  text-align: center;
}
body[data-page="home"] .data-card.white { background: #fff; }
body[data-page="home"] .data-card.white .num { color: #2272CB; }
body[data-page="home"] .data-card.white .label { color: #666; }
body[data-page="home"] .data-card.blue { background: #2272CB; }
body[data-page="home"] .data-card.blue .num { color: #fff; }
body[data-page="home"] .data-card.blue .label { color: rgba(255, 255, 255, .85); }
body[data-page="home"] .data-card .num {
  font-size: 38px;
  font-weight: bold;
}
body[data-page="home"] .data-card .label {
  font-size: 14px;
  margin-top: 8px;
}

/* ---- 全系产品展示 ---- */
body[data-page="home"] .products {
  background: #fff;
  padding: 80px 0 90px;
}
body[data-page="home"] .products-wrap {
  display: flex;
  align-items: center;
  gap: 60px;
}
body[data-page="home"] .products-left { flex: 1; }
body[data-page="home"] .products-left .products-slogan {
  font-size: 18px;
  color: #2272CB;
  margin: 18px 0 30px;
}
.more-link {
  display: inline-block;
  padding: 8px 30px;
  border: 1px solid #2272CB;
  color: #2272CB;
  border-radius: 4px;
  font-size: 14px;
}
.more-link:hover { background: #2272CB; color: #fff; }
body[data-page="home"] .products-right { width: 660px; flex-shrink: 0; }
body[data-page="home"] .products-right img { width: 100%; }

/* 产品分类导航（首页胶囊） */
body[data-page="home"] .cat-nav-wrap { margin-top: 55px; }
body[data-page="home"] .cat-nav {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 4px;
  padding: 0 20px;
}
body[data-page="home"] .cat-nav li {
  font-size: 16px;
  color: #555;
  cursor: pointer;
  padding: 10px 0;
  position: relative;
}
body[data-page="home"] .cat-nav li.active {
  color: #2272CB;
  font-weight: bold;
}
body[data-page="home"] .cat-line {
  height: 2px;
  background: #E3EDF8;
  position: relative;
  margin-top: 4px;
}
body[data-page="home"] .cat-line::before {
  content: "";
  position: absolute;
  left: 20px;
  width: 150px;
  height: 2px;
  background: #2272CB;
}

/* 首页产品卡片 */
body[data-page="home"] .product-cards {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: nowrap;
}
body[data-page="home"] .product-card {
  width: 308px;
  flex-shrink: 0;
  background: #f5f7fa;
  border-radius: 6px;
  overflow: hidden;
  text-align: center;
  padding-bottom: 25px;
  transition: box-shadow .3s;
}
body[data-page="home"] .product-card:hover { box-shadow: 0 8px 30px rgba(0, 0, 0, .1); }
body[data-page="home"] .product-card img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: #fff;
  padding: 30px;
}
body[data-page="home"] .product-card h3 {
  font-size: 16px;
  color: #333;
  margin: 20px 0 15px;
}
.card-more {
  display: inline-block;
  padding: 6px 24px;
  border: 1px solid #2272CB;
  color: #2272CB;
  border-radius: 3px;
  font-size: 13px;
}
.card-more:hover { background: #2272CB; color: #fff; }

/* ---- 新闻资讯 ---- */
body[data-page="home"] .news {
  background: #F8F9FB;
  padding: 80px 0 90px;
}
body[data-page="home"] .news-wrap {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}
body[data-page="home"] .news-left {
  width: 320px;
  flex-shrink: 0;
}
body[data-page="home"] .news-left .news-slogan {
  font-size: 16px;
  color: #888;
  margin: 10px 0 30px;
}
body[data-page="home"] .news-list {
  flex: 1;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: nowrap;
}
body[data-page="home"] .news-card {
  width: 400px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow .3s;
}
body[data-page="home"] .news-card:hover { box-shadow: 0 8px 30px rgba(0, 0, 0, .1); }
body[data-page="home"] .news-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
body[data-page="home"] .news-card .news-date {
  display: block;
  font-size: 22px;
  color: #2272CB;
  font-weight: bold;
  padding: 20px 25px 0;
}
body[data-page="home"] .news-card h3 {
  font-size: 16px;
  color: #333;
  margin: 12px 25px;
  line-height: 1.5;
}
body[data-page="home"] .news-card p {
  font-size: 13px;
  color: #888;
  line-height: 1.8;
  padding: 0 25px 25px;
}

/* ---- 场景展示（首页：图上遮罩标题） ---- */
body[data-page="home"] .scene {
  background: #fff;
  padding: 80px 0 90px;
}
body[data-page="home"] .scene-wrap {
  display: flex;
  gap: 50px;
  align-items: flex-start;
}
body[data-page="home"] .scene-left {
  width: 320px;
  flex-shrink: 0;
}
body[data-page="home"] .scene-left .scene-slogan {
  font-size: 16px;
  color: #888;
  margin: 10px 0 30px;
}
body[data-page="home"] .scene-list {
  flex: 1;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: nowrap;
}
body[data-page="home"] .scene-item {
  width: 290px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
body[data-page="home"] .scene-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
body[data-page="home"] .scene-item p {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, .55);
  color: #fff;
  text-align: center;
  padding: 12px 0;
  font-size: 15px;
}

/* =========================================================
 * 走进中连（about）
 * ========================================================= */
body[data-page="about"] .banner-text { padding-top: 440px; }
body[data-page="about"] .banner-sub {
  font-size: 24px;
  color: #fff;
  margin-top: 20px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .5);
}
body[data-page="about"] .banner-tags {
  display: flex;
  gap: 60px;
  margin-top: 35px;
}
body[data-page="about"] .b-tag {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
body[data-page="about"] .b-tag span {
  font-size: 18px;
  color: #fff;
  font-weight: bold;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .45);
}

/* 关于我们 + 联系方式侧栏 */
body[data-page="about"] .about-section {
  background: linear-gradient(180deg, #E5EEF9 0%, #F3F7FC 45%, #FCFDFE 100%);
  padding: 105px 0 0;
}
body[data-page="about"] .about-wrap {
  width: 1770px;
  margin-left: 150px;
  display: flex;
  gap: 31px;
  align-items: flex-start;
}
body[data-page="about"] .about-left {
  width: 842px;
  flex-shrink: 0;
  margin-top: 77px;
}
body[data-page="about"] .en-title { margin-top: 37px; }
body[data-page="about"] .about-left .about-slogan {
  font-size: 18px;
  color: #333;
  margin-top: 36px;
  font-weight: bold;
}
body[data-page="about"] .about-desc {
  font-size: 15px;
  color: #555;
  line-height: 1.9;
  text-indent: 2em;
  margin-top: 25px;
}
body[data-page="about"] .about-right {
  position: relative;
  width: 894px;
  flex-shrink: 0;
}
body[data-page="about"] .photo-bg {
  position: absolute;
  top: 26px;
  left: 0;
  width: 894px;
  height: 780px;
  object-fit: cover;
}
body[data-page="about"] .contact-sidebar {
  position: relative;
  width: 379px;
  margin-left: 430px;
  z-index: 1;
}

/* 场景展示 / 检测设备（图下图注） */
body[data-page="about"] .section-slogan {
  font-size: 18px;
  color: #333;
  margin-top: 36px;
  font-weight: bold;
}
body[data-page="about"] .scene-section {
  background: #fff;
  padding: 96px 0 110px;
}
body[data-page="about"] .section-head { margin-bottom: 60px; }
body[data-page="about"] .scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
body[data-page="about"] .scene-item {
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .04);
}
body[data-page="about"] .scene-item img {
  width: 100%;
  height: 299px;
  object-fit: cover;
}
body[data-page="about"] .scene-item p {
  text-align: center;
  font-size: 17px;
  color: #333;
  height: 85px;
  line-height: 85px;
}
body[data-page="about"] .equip-section {
  background: #F8F9FB;
  padding: 91px 0 105px;
}
body[data-page="about"] .equip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  margin-top: 52px;
}
body[data-page="about"] .equip-item {
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .04);
  transition: box-shadow .3s;
}
body[data-page="about"] .equip-item:hover { box-shadow: 0 8px 30px rgba(0, 0, 0, .1); }
body[data-page="about"] .equip-item img {
  width: 100%;
  height: 332px;
  object-fit: cover;
}
body[data-page="about"] .equip-item p {
  text-align: center;
  font-size: 17px;
  color: #333;
  height: 52px;
  line-height: 52px;
}

/* =========================================================
 * 产品中心（products）
 * ========================================================= */
body[data-page="products"] .category {
  background: #fff;
  padding: 50px 0 60px;
}
.category .cat-wrap {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.category .cat-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  font-size: 16px;
  color: #555;
}
.category .cat-row a {
  cursor: pointer;
  padding: 6px 0;
  text-align: left;
  white-space: nowrap;
  transition: color 0.2s;
  border-bottom: 2px solid transparent;
  text-decoration: none;
  color: inherit;
}
.category .cat-row a.active {
  color: #2272CB;
  border-bottom: 2px solid #2272CB;
}
.category .cat-row a:hover { color: #2272CB; }
.cat-empty {
  width: 100%;
  padding: 60px 0;
  text-align: center;
  font-size: 16px;
  color: #999;
}

body[data-page="products"] .product-section {
  background: #fff;
  padding: 0 0 80px;
}
body[data-page="products"] .product-layout {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}
body[data-page="products"] .product-list {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px 22px;
}
body[data-page="products"] .product-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 4px;
  padding: 18px 18px 22px;
  text-align: center;
  transition: box-shadow 0.3s, border-color 0.3s;
}
body[data-page="products"] .product-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, .08);
  border-color: #ddd;
}
body[data-page="products"] .card-img {
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
}
body[data-page="products"] .card-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
body[data-page="products"] .product-card h3 {
  font-size: 15px;
  color: #333;
  font-weight: normal;
  margin-top: 14px;
  line-height: 1.4;
}
body[data-page="products"] .card-more {
  border: none;
  padding: 0;
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: #2272CB;
}
body[data-page="products"] .card-more:hover { color: #1a5fb0; text-decoration: underline; }

/* 产品中心右侧联系方式侧栏 */
body[data-page="products"] .contact-sidebar,
body[data-page="news"] .contact-sidebar,
body[data-page="news-detail"] .contact-sidebar,
body[data-page="contact"] .contact-sidebar,
body[data-page="recruit"] .contact-sidebar {
  width: 379px;
  flex-shrink: 0;
}

/* =========================================================
 * 产品详情（product-detail）
 * ========================================================= */
body[data-page="product-detail"] .category {
  background: #F8F9FB;
  padding: 40px 0;
}
body[data-page="product-detail"] .category .cat-wrap { gap: 25px; }

body[data-page="product-detail"] .product-main {
  background: #F8F9FB;
  padding: 50px 0;
}
body[data-page="product-detail"] .product-wrap {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}
body[data-page="product-detail"] .product-img-box {
  width: 650px;
  flex-shrink: 0;
  background: #fff;
  border: 1px solid #eee;
  padding: 15px;
  text-align: center;
  position: relative;
}
body[data-page="product-detail"] .main-img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* 主图悬停放大预览（京东/淘宝风格，仅精确指针设备） */
.zoom-lens {
  position: absolute; z-index: 3; pointer-events: none;
  background: rgba(255, 196, 0, .25);
  border: 2px solid #ffc400;
  display: none;
}
.zoom-lens.on { display: block; }
.zoom-panel {
  position: fixed; z-index: 9999; pointer-events: none;
  background-color: #fff;
  background-repeat: no-repeat;
  border: 1px solid #ddd;
  box-shadow: 0 4px 18px rgba(0, 0, 0, .18);
  display: none;
}
.zoom-panel.on { display: block; }
@media (hover: none), (pointer: coarse) {
  .zoom-lens, .zoom-panel { display: none !important; }
}

body[data-page="product-detail"] .product-info {
  flex: 1;
  background: #fff;
  border: 1px solid #eee;
  padding: 30px;
}
body[data-page="product-detail"] .product-name {
  font-size: 28px;
  color: #333;
  font-weight: bold;
  padding-bottom: 20px;
  border-bottom: 2px solid #2272CB;
  margin-bottom: 25px;
}
body[data-page="product-detail"] .product-meta p {
  font-size: 15px;
  color: #555;
  line-height: 2.2;
  margin-bottom: 12px;
}
body[data-page="product-detail"] .product-brief { color: #777 !important; }

/* 产品详情右侧联系方式卡片 */
body[data-page="product-detail"] .contact-card {
  width: 379px;
  flex-shrink: 0;
  background: #fff;
  border: 1px solid #eee;
  padding: 25px;
}
body[data-page="product-detail"] .contact-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: bold;
  color: #333;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}
body[data-page="product-detail"] .contact-head img {
  width: 27px;
  height: 28px;
}
body[data-page="product-detail"] .contact-tip {
  font-size: 15px;
  color: #2272CB;
  font-weight: bold;
  margin: 12px 0 6px;
}
body[data-page="product-detail"] .contact-item {
  padding: 12px 0;
  border-bottom: 1px dashed #eee;
}
body[data-page="product-detail"] .contact-item:last-child { border-bottom: none; }
body[data-page="product-detail"] .contact-item p {
  font-size: 13px;
  color: #666;
  line-height: 1.8;
}
body[data-page="product-detail"] .qr-row {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 8px 0;
}
body[data-page="product-detail"] .qr-box {
  display: flex;
  justify-content: center;
}
body[data-page="product-detail"] .qr-box img {
  width: 96px;
  height: 96px;
}

/* 缩略图列表 */
body[data-page="product-detail"] .thumb-bar {
  background: #F8F9FB;
  padding: 0 0 40px;
}
body[data-page="product-detail"] .thumb-wrap {
  display: flex;
  gap: 42px;
}
body[data-page="product-detail"] .thumb {
  width: 203px;
  height: 78px;
  flex-shrink: 0;
  background: #fff;
  border: 2px solid #eee;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s;
}
body[data-page="product-detail"] .thumb.active { border-color: #2272CB; }
body[data-page="product-detail"] .thumb:hover { border-color: #2272CB; }
body[data-page="product-detail"] .thumb img {
  max-width: 90%;
  max-height: 90%;
}

/* 商品详情 Tabs + 内容 */
body[data-page="product-detail"] .detail-tabs {
  background: #fff;
  border-bottom: 1px solid #eee;
  padding: 30px 0 0;
}
body[data-page="product-detail"] .tab {
  display: inline-block;
  padding: 12px 60px;
  font-size: 18px;
  color: #333;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}
body[data-page="product-detail"] .tab.active {
  color: #2272CB;
  border-bottom-color: #2272CB;
  font-weight: bold;
}
body[data-page="product-detail"] .detail-content {
  background: #fff;
  padding: 40px 0 60px;
}
body[data-page="product-detail"] .detail-content p {
  font-size: 15px;
  color: #666;
  line-height: 2.2;
  margin-bottom: 15px;
}

/* =========================================================
 * 新闻列表 / 详情（news / news-detail）
 * ========================================================= */
body[data-page="news"] .banner-text,
body[data-page="news-detail"] .banner-text { padding-top: 290px; }
body[data-page="news"] .banner-text p,
body[data-page="news-detail"] .banner-text p {
  font-size: 22px;
  margin-top: 15px;
  line-height: 1.4;
}

body[data-page="news"] .news-section,
body[data-page="news-detail"] .news-section {
  background: #fff;
  padding: 60px 0 70px;
}
body[data-page="news"] .news-layout,
body[data-page="news-detail"] .news-layout {
  display: flex;
  gap: 100px;
  align-items: flex-start;
}
body[data-page="news"] .news-main,
body[data-page="news-detail"] .news-main { flex: 1; }
.news-title-top {
  font-size: 30px;
  color: #333;
  font-weight: bold;
}
.news-en {
  font-size: 14px;
  color: #2272CB;
  letter-spacing: 2px;
  margin-top: 6px;
}
.news-sub {
  font-size: 22px;
  color: #333;
  font-weight: bold;
  margin-top: 30px;
  padding-bottom: 12px;
  border-bottom: 2px solid #2272CB;
  display: inline-block;
}

/* 新闻列表项 */
.news-list-items { display: flex; flex-direction: column; gap: 30px; margin-top: 40px; }
.news-list-item {
  display: flex; gap: 24px; padding: 24px;
  border: 1px solid #eee; border-radius: 4px;
  text-decoration: none; color: #333; transition: box-shadow .3s;
}
.news-list-item:hover { box-shadow: 0 8px 30px rgba(0, 0, 0, .08); }
.news-list-item img { width: 300px; height: 200px; object-fit: cover; flex-shrink: 0; }
.item-info { display: flex; flex-direction: column; justify-content: center; }
.item-date { color: #999; font-size: 13px; margin-bottom: 10px; }
.item-info h4 { font-size: 20px; color: #222; margin-bottom: 12px; }
.item-info h4:hover { color: #2272CB; }
.item-info p {
  color: #777; font-size: 14px; line-height: 1.8;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* 新闻详情文章 */
.news-article { margin-top: 40px; }
.article-title {
  font-size: 24px;
  color: #333;
  font-weight: bold;
  line-height: 1.4;
  text-align: center;
  padding-top: 25px;
  border-top: 1px solid #eee;
}
.article-date {
  font-size: 14px;
  color: #999;
  text-align: center;
  margin-top: 15px;
  padding-bottom: 25px;
  border-bottom: 1px solid #eee;
}
.article-summary {
  font-size: 15px;
  color: #666;
  line-height: 1.8;
  margin-top: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
  white-space: pre-line;
}
.article-body { margin-top: 30px; }
.article-body p {
  font-size: 15px;
  color: #555;
  line-height: 2;
  margin-bottom: 20px;
  text-indent: 2em;
}
.article-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 40px;
  padding-top: 25px;
  border-top: 1px solid #eee;
}
.nav-prev-next p {
  font-size: 14px;
  color: #666;
  line-height: 2;
}
.back-list {
  display: inline-block;
  padding: 8px 25px;
  background: #eee;
  color: #333;
  font-size: 14px;
  border-radius: 4px;
}
.back-list:hover { background: #2272CB; color: #fff; }

/* =========================================================
 * 联系中连（contact）
 * ========================================================= */
body[data-page="contact"] .info-section {
  background: #fff;
  padding: 70px 0 0;
}
body[data-page="contact"] .info-layout {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}
body[data-page="contact"] .company-info {
  flex: 1;
  padding-top: 30px;
}
body[data-page="contact"] .info-title {
  font-size: 30px;
  color: #333;
  font-weight: bold;
}
body[data-page="contact"] .info-en {
  font-size: 14px;
  color: #2272CB;
  letter-spacing: 2px;
  margin-top: 6px;
}
body[data-page="contact"] .info-sub {
  font-size: 22px;
  color: #333;
  font-weight: bold;
  margin-top: 40px;
  padding-bottom: 15px;
  border-bottom: 2px solid #2272CB;
  display: inline-block;
}
body[data-page="contact"] .info-detail { margin-top: 25px; }
body[data-page="contact"] .info-detail p {
  font-size: 15px;
  color: #555;
  line-height: 2.4;
}
body[data-page="contact"] .map-img {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 35px;
}

/* =========================================================
 * 人才招聘（recruit）
 * ========================================================= */
body[data-page="recruit"] .recruit-section {
  background: #fff;
  padding: 60px 0 70px;
}
body[data-page="recruit"] .recruit-layout {
  display: flex;
  gap: 100px;
  align-items: flex-start;
}
body[data-page="recruit"] .recruit-main { flex: 1; }
body[data-page="recruit"] .recruit-title {
  font-size: 30px;
  color: #333;
  font-weight: bold;
}
body[data-page="recruit"] .recruit-en {
  font-size: 14px;
  color: #2272CB;
  letter-spacing: 2px;
  margin-top: 6px;
}
body[data-page="recruit"] .recruit-sub {
  font-size: 22px;
  color: #333;
  font-weight: bold;
  margin-top: 30px;
  padding-bottom: 12px;
  border-bottom: 2px solid #2272CB;
  display: inline-block;
}
body[data-page="recruit"] .job-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}
body[data-page="recruit"] .job-card {
  background: #fff;
  padding: 45px 25px 35px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .08);
  display: flex;
  flex-direction: column;
  min-height: 420px;
}
body[data-page="recruit"] .job-name {
  font-size: 18px;
  color: #333;
  font-weight: bold;
  margin-bottom: 12px;
}
body[data-page="recruit"] .job-meta {
  font-size: 14px;
  color: #7A7A7A;
  margin-bottom: 18px;
}
body[data-page="recruit"] .job-desc {
  font-size: 13px;
  color: #999;
  line-height: 2.2;
  margin-bottom: 20px;
  flex: 1;
}
body[data-page="recruit"] .job-desc p { margin: 0; }
body[data-page="recruit"] .job-tel {
  font-size: 14px;
  color: #333;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 3px solid #2272CB;
  text-align: center;
}