/* ============================================================
   青岛美翔仓储设备有限公司 - 官网改版模板
   配色：工业蓝 #0f4c81 / 活力橙 #f47a1e / 浅灰 #f4f6f9
   ============================================================ */

:root {
  --blue: #0f4c81;
  --blue-dark: #0a2f5a;
  --blue-deep: #082342;
  --orange: #f47a1e;
  --orange-dark: #d96a12;
  --bg: #f4f6f9;
  --border: #e4eaf0;
  --text: #1c2b3a;
  --text2: #5f6d7c;
  --white: #ffffff;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; text-decoration: none; transition: color .25s; }
a:hover { color: var(--orange); }
img { max-width: 100%; border: 0; display: block; }
ul, ol { list-style: none; }

.container { width: 1400px; max-width: 94%; margin: 0 auto; }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-block;
  padding: 10px 28px;
  border: 0;
  border-radius: 4px;
  font-size: 15px;
  cursor: pointer;
  transition: all .25s;
  text-align: center;
}
.btn-orange {
  background: var(--orange);
  color: #fff;
}
.btn-orange:hover { background: var(--orange-dark); color: #fff; }
.btn-blue {
  background: var(--blue);
  color: #fff;
}
.btn-blue:hover { background: var(--blue-dark); color: #fff; }
.btn-line {
  border: 1px solid #fff;
  color: #fff;
  background: transparent;
}
.btn-line:hover { background: rgba(255,255,255,.15); color: #fff; }

/* ---------- 顶部欢迎条 ---------- */
.topbar {
  background: var(--blue-dark);
  color: #c7d5e5;
  font-size: 13px;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 34px;
}
.topbar a { color: #c7d5e5; }
.topbar a:hover { color: #fff; }
.topbar .tb-phone strong {
  color: var(--orange);
  font-size: 15px;
  margin-left: 4px;
  font-family: Arial, sans-serif;
}

/* ---------- 头部导航 ---------- */
.header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 999;
  transition: box-shadow .3s;
}
.header.scrolled { box-shadow: 0 4px 16px rgba(10,47,90,.12); }
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
  flex-wrap: nowrap;
}
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img { height: 54px; width: auto; }
.logo .logo-text { display: flex; flex-direction: column; gap: 2px; }
.logo .logo-text .en { white-space: nowrap; }
@media (max-width: 1360px) {
  .logo img { height: 44px; }
  .logo .logo-text .cn { font-size: 17px; letter-spacing: 0.5px; }
  .logo .logo-text .en { font-size: 9px; }
  .nav > li > a { padding: 0 10px; font-size: 15px; }
  .hd-search input { width: 90px; }
}
.logo .logo-text .cn {
  font-size: 20px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 1px;
  line-height: 1.2;
  white-space: nowrap;
}
.logo .logo-text .en {
  font-size: 10px;
  color: var(--text2);
  letter-spacing: 0.5px;
}
.logo .logo-text .cn em { color: var(--orange); font-style: normal; }

/* 主导航 */
.nav { display: flex; align-items: center; flex-wrap: nowrap; }
.nav > li { position: relative; }
.nav > li > a {
  display: block;
  padding: 0 16px;
  line-height: 76px;
  white-space: nowrap;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  position: relative;
}
.nav > li > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 14px;
  width: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--orange);
  transform: translateX(-50%);
  transition: width .25s;
}
.nav > li:hover > a,
.nav > li.active > a { color: var(--blue); }
.nav > li:hover > a::after,
.nav > li.active > a::after { width: 26px; }

/* 下拉子菜单 */
.nav > li .subnav {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 176px;
  background: #fff;
  border-top: 3px solid var(--orange);
  box-shadow: 0 8px 24px rgba(10,47,90,.15);
  opacity: 0;
  visibility: hidden;
  transition: all .25s;
  z-index: 99;
}
.nav > li:hover .subnav { opacity: 1; visibility: visible; }
.nav > li .subnav a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.nav > li .subnav li:last-child a { border-bottom: 0; }
.nav > li .subnav a:hover {
  background: var(--bg);
  color: var(--blue);
  padding-left: 22px;
}

/* 头部搜索 */
.hd-search {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  margin-left: 18px;
  background: var(--bg);
}
.hd-search input {
  border: 0;
  outline: 0;
  background: transparent;
  padding: 7px 4px 7px 14px;
  width: 130px;
  font-size: 13px;
  color: var(--text);
}
.hd-search button {
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 7px 12px;
  color: var(--text2);
  font-size: 15px;
}
.hd-search button:hover { color: var(--orange); }

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transition: all .3s;
}

/* ---------- 首页幻灯片 ---------- */
.mx-slider {
  position: relative;
  height: 600px;
  overflow: hidden;
  background: linear-gradient(120deg, var(--blue-dark) 0%, var(--blue) 60%, #2a6db3 100%);
}
.mx-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .8s;
}
.mx-slide.on { opacity: 1; z-index: 2; }
.mx-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(10,47,90,.78) 0%, rgba(10,47,90,.38) 55%, rgba(10,47,90,.12) 100%);
}
.mx-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mx-slide-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  z-index: 3;
  pointer-events: none;
}
.mx-slide-text h2 {
  color: #fff;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 2px;
  text-shadow: 0 2px 12px rgba(8,35,66,.5);
  margin-bottom: 12px;
}
.mx-slide-text p {
  color: rgba(255,255,255,.92);
  font-size: 17px;
  letter-spacing: 1px;
  text-shadow: 0 1px 8px rgba(8,35,66,.5);
}
.mx-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  line-height: 46px;
  text-align: center;
  color: #fff;
  font-size: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  cursor: pointer;
  z-index: 5;
  user-select: none;
  transition: background .25s;
}
.mx-arrow:hover { background: var(--orange); }
.mx-arrow.prev { left: 24px; }
.mx-arrow.next { right: 24px; }
.mx-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}
.mx-dots i {
  width: 26px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,.45);
  cursor: pointer;
  transition: background .25s;
}
.mx-dots i.on { background: var(--orange); }

/* ---------- 栏目区块标题 ---------- */
.sec {
  padding: 70px 0;
}
.sec-tit { text-align: center; margin-bottom: 44px; }
.sec-tit h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 2px;
}
.sec-tit h2 span { color: var(--blue); }
.sec-tit .line {
  width: 46px;
  height: 4px;
  border-radius: 2px;
  background: var(--orange);
  margin: 14px auto;
}
.sec-tit p {
  color: var(--text2);
  font-size: 14px;
  letter-spacing: 1px;
}

/* ---------- 首页产品分类导航（蓝色块风格） ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.cat-item {
  background: var(--blue);
  color: #fff;
  border-radius: 6px;
  padding: 17px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .5px;
  text-align: left;
  transition: all .25s;
  box-shadow: 0 3px 10px rgba(15,76,129,.18);
}
.cat-item .arr {
  flex: none;
  font-size: 16px;
  opacity: .7;
  transition: transform .25s;
}
.cat-item:hover {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 8px 20px rgba(244,122,30,.35);
  transform: translateY(-3px);
}
.cat-item:hover .arr { transform: translateX(4px); }

/* ---------- 客户案例卡片 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.case-card:hover {
  box-shadow: 0 12px 28px rgba(15,76,129,.14);
  transform: translateY(-5px);
  border-color: transparent;
}
.case-card .pic {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, #dfe8f2, #c3d4e6);
}
.case-card .pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.case-card:hover .pic img { transform: scale(1.06); }
.case-card .pic .mask {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(transparent, rgba(10,47,90,.75));
  color: #fff;
  font-size: 13px;
  text-align: center;
  padding: 26px 0 10px;
  opacity: 0;
  transition: opacity .3s;
}
.case-card:hover .pic .mask { opacity: 1; }
.case-card .info {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.case-card .info h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.case-card:hover .info h3 { color: var(--blue); }
.case-card .info p {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.case-card .info .date { font-size: 12px; color: #9aa7b5; }

/* ---------- 产品卡片 ---------- */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.prod-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.prod-card:hover {
  box-shadow: 0 12px 28px rgba(15,76,129,.14);
  transform: translateY(-5px);
  border-color: transparent;
}
.prod-card .pic {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, #dfe8f2, #c3d4e6);
}
.prod-card .pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.prod-card:hover .pic img { transform: scale(1.06); }
.prod-card .pic .tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--orange);
  color: #fff;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 3px;
}
.prod-card .info {
  padding: 16px 16px 18px;
  text-align: center;
}
.prod-card .info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.prod-card:hover .info h3 { color: var(--blue); }
.prod-card .info p {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sec-more { text-align: center; margin-top: 40px; }

/* ---------- 首页优势 ---------- */
.adv-section { background: #fff; }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.adv-item {
  background: var(--bg);
  border-radius: 8px;
  padding: 34px 24px;
  text-align: center;
  border-bottom: 3px solid transparent;
  transition: all .3s;
}
.adv-item:hover {
  border-bottom-color: var(--orange);
  box-shadow: 0 10px 24px rgba(15,76,129,.10);
  transform: translateY(-4px);
}
.adv-item .ico {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s;
}
.adv-item:hover .ico { background: var(--orange); }
.adv-item .ico svg { width: 30px; height: 30px; }
.adv-item h3 {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 8px;
}
.adv-item p { font-size: 13px; color: var(--text2); }

/* ---------- 首页关于我们 ---------- */
.about-wrap {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 46px;
  align-items: center;
}
.about-visual {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  border-radius: 12px;
  padding: 44px 36px;
  color: #fff;
}
.about-visual .num-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px 18px;
  margin-bottom: 8px;
}
.about-visual .num b {
  display: block;
  font-size: 40px;
  font-weight: 700;
  color: var(--orange);
  font-family: Arial, sans-serif;
  line-height: 1.1;
}
.about-visual .num b sup { font-size: 18px; }
.about-visual .num span { font-size: 14px; color: #c7d5e5; }
.about-visual .slogan {
  border-top: 1px solid rgba(255,255,255,.18);
  margin-top: 26px;
  padding-top: 18px;
  font-size: 14px;
  color: #c7d5e5;
  letter-spacing: 1px;
}
.about-txt h3 {
  font-size: 26px;
  color: var(--text);
  margin-bottom: 6px;
}
.about-txt .sub {
  color: var(--orange);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 18px;
}
.about-txt p { color: var(--text2); margin-bottom: 12px; }
.about-txt .ops {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 首页新闻 ---------- */
.news-home {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.news-home .col h3.col-t {
  font-size: 20px;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.news-home .col h3.col-t a { font-size: 13px; font-weight: 400; color: var(--text2); }
.news-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--border);
  align-items: flex-start;
}
.news-item .date {
  flex: none;
  width: 64px;
  text-align: center;
  background: var(--bg);
  border-radius: 6px;
  padding: 8px 0;
}
.news-item .date b {
  display: block;
  font-size: 22px;
  color: var(--blue);
  font-family: Arial, sans-serif;
  line-height: 1.2;
}
.news-item .date span { font-size: 12px; color: var(--text2); }
.news-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-item:hover h4 { color: var(--blue); }
.news-item p {
  font-size: 13px;
  color: var(--text2);
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 首页咨询横幅 ---------- */
.cta-band {
  background: linear-gradient(110deg, var(--blue-deep), var(--blue));
  color: #fff;
  padding: 46px 0;
}
.cta-band .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.cta-band h3 { font-size: 24px; letter-spacing: 1px; }
.cta-band h3 b { color: var(--orange); }
.cta-band p { color: #c7d5e5; margin-top: 6px; font-size: 14px; }
.cta-band .phone {
  font-size: 34px;
  font-weight: 700;
  color: var(--orange);
  font-family: Arial, sans-serif;
}
.cta-band .ops { display: flex; gap: 14px; align-items: center; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--blue-deep);
  color: #a9bccf;
  padding: 56px 0 0;
  font-size: 14px;
}
.footer .f-grid {
  display: grid;
  grid-template-columns: 3fr 2fr 2fr 3fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer h4 {
  color: #fff;
  font-size: 17px;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--orange);
}
.footer .f-about p { margin-bottom: 10px; }
.footer ul li { margin-bottom: 9px; }
.footer ul li a { color: #a9bccf; }
.footer ul li a:hover { color: var(--orange); }
.footer .f-contact li {
  display: flex;
  gap: 8px;
  line-height: 1.7;
}
.footer .f-contact li b { color: #d4e0ec; font-weight: 600; flex: none; }
.footer .f-contact .tel {
  color: var(--orange);
  font-size: 20px;
  font-weight: 700;
  font-family: Arial, sans-serif;
}
.f-bottom {
  border-top: 1px solid rgba(255,255,255,.10);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: #7e93a9;
}
.f-bottom a { color: #7e93a9; }
.f-bottom a:hover { color: var(--orange); }
.f-bottom .icp { margin-left: 12px; }

/* ---------- 内页横幅 ---------- */
.page-banner {
  background: linear-gradient(110deg, var(--blue-dark) 0%, var(--blue) 70%, #2a6db3 100%);
  color: #fff;
  padding: 52px 0;
}
.page-banner h1 {
  font-size: 28px;
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.page-banner p { color: #c7d5e5; font-size: 14px; }
.crumb {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  font-size: 13px;
  color: var(--text2);
}
.crumb .container { display: flex; align-items: center; flex-wrap: wrap; }
.crumb a { color: var(--text2); }
.crumb a:hover { color: var(--blue); }
.crumb .sep { margin: 0 8px; color: #b9c6d3; }

/* ---------- 内页布局 ---------- */
.page-wrap {
  padding: 40px 0 70px;
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 30px;
  align-items: start;
  align-content: start;
}
.page-wrap > .sidebar { grid-column: 1; grid-row: 1; }
.page-wrap > .sb-contact { grid-column: 1; grid-row: 2; }
.page-wrap > .main-box { grid-column: 2; grid-row: 1 / span 2; }
@media (max-width: 992px) {
  .page-wrap > .sidebar,
  .page-wrap > .sb-contact,
  .page-wrap > .main-box { grid-column: 1; grid-row: auto; }
  .page-wrap > .main-box { grid-row: auto; }
}

/* 侧边栏 */
.sidebar { background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.sidebar .sb-tit {
  background: var(--blue);
  color: #fff;
  padding: 14px 18px;
  font-size: 17px;
  letter-spacing: 1px;
}
.sidebar ul li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.sidebar ul li:last-child a { border-bottom: 0; }
.sidebar ul li a::before {
  content: "";
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: transparent;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: background .25s;
}
.sidebar ul li a:hover,
.sidebar ul li a.active {
  background: var(--bg);
  color: var(--blue);
}
.sidebar ul li a:hover::before,
.sidebar ul li a.active::before { background: var(--orange); }
.sidebar ul li a .arr { color: #b9c6d3; font-size: 12px; }

.sb-contact {
  margin-top: 24px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  border-radius: 8px;
  padding: 24px 20px;
  color: #c7d5e5;
  font-size: 13px;
}
.sb-contact .t {
  color: #fff;
  font-size: 17px;
  margin-bottom: 4px;
}
.sb-contact .tel {
  color: var(--orange);
  font-size: 22px;
  font-weight: 700;
  font-family: Arial, sans-serif;
  margin: 6px 0 12px;
}
.sb-contact p { line-height: 1.8; }

/* 内页正文区 */
.main-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
}

/* ---------- 产品列表筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.filter-bar a {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  font-size: 13px;
  color: var(--text2);
  background: var(--bg);
}
.filter-bar a:hover { color: var(--blue); border-color: var(--blue); }
.filter-bar a.active {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

/* ---------- 产品详情 ---------- */
.prod-detail {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 36px;
  margin-bottom: 34px;
}
.prod-view {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(135deg, #dfe8f2, #c3d4e6);
}
.prod-view .mainimg {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.prod-thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 12px;
}
.prod-thumbs img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 2px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color .25s;
}
.prod-thumbs img:hover,
.prod-thumbs img.on { border-color: var(--orange); }
.prod-info h1 {
  font-size: 24px;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.4;
}
.prod-info .desc {
  color: var(--text2);
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border);
  margin-bottom: 16px;
}
.meta-row {
  display: flex;
  gap: 8px;
  padding: 9px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
}
.meta-row .k {
  flex: none;
  width: 88px;
  color: var(--text2);
}
.meta-row .v { color: var(--text); }
.prod-info .ops { margin-top: 24px; display: flex; gap: 14px; }

.rich {
  color: var(--text);
  font-size: 15px;
  line-height: 2;
  word-break: break-word;
}
.rich img { max-width: 100%; margin: 10px auto; }
.rich p { margin-bottom: 12px; }
.rich h2, .rich h3 { color: var(--blue); margin: 18px 0 10px; }

.page-nav {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text2);
}
.page-nav p { margin-bottom: 6px; }
.page-nav a { color: var(--blue); }
.page-nav a:hover { color: var(--orange); }

/* ---------- 新闻列表 ---------- */
.news-list {}
.news-li {
  display: flex;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--border);
}
.news-li:first-child { padding-top: 0; }
.news-li .date {
  flex: none;
  width: 84px;
  text-align: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 0;
  align-self: flex-start;
}
.news-li .date b {
  display: block;
  font-size: 26px;
  color: var(--blue);
  font-family: Arial, sans-serif;
  line-height: 1.2;
}
.news-li .date span { font-size: 12px; color: var(--text2); }
.news-li h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}
.news-li:hover h3 { color: var(--blue); }
.news-li .desc {
  font-size: 14px;
  color: var(--text2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-li .more {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--orange);
}

/* ---------- 单页(关于/联系) ---------- */
.page-tit {
  font-size: 24px;
  color: var(--text);
  text-align: center;
  margin-bottom: 24px;
}

/* 联系我们信息卡 */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}
.contact-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 20px;
  text-align: center;
}
.contact-card .ico {
  width: 52px;
  height: 52px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-card .ico svg { width: 24px; height: 24px; }
.contact-card h4 { font-size: 16px; margin-bottom: 6px; color: var(--text); }
.contact-card p { font-size: 14px; color: var(--text2); }

/* ---------- 留言表单 ---------- */
.msg-form { max-width: 860px; }
.form-row.full { grid-template-columns: 1fr; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-item label {
  display: block;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 6px;
}
.form-item label i { color: #d9534f; font-style: normal; margin-left: 2px; }
.form-item input,
.form-item textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  outline: 0;
  background: var(--bg);
  transition: border-color .25s, background .25s;
}
.form-item input:focus,
.form-item textarea:focus {
  border-color: var(--blue);
  background: #fff;
}
.form-item textarea { min-height: 120px; resize: vertical; }
.form-item .code-row { display: flex; gap: 12px; }
.form-item .code-row input { flex: 1; }
.form-item .code-row img {
  height: 42px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid var(--border);
}

/* ---------- 分页 ---------- */
.pagebar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}
.pagebar a, .pagebar span {
  min-width: 38px;
  height: 38px;
  line-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: center;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  display: inline-block;
}
.pagebar span, .pagebar a:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.pagebar a:hover { color: #fff; }

/* ---------- 搜索结果 ---------- */
.search-box {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 30px;
}
.search-box input {
  width: 320px;
  border: 1px solid var(--border);
  border-right: 0;
  border-radius: 4px 0 0 4px;
  padding: 10px 16px;
  outline: 0;
  font-size: 14px;
  background: #fff;
}
.search-box input:focus { border-color: var(--blue); }
.search-box button {
  border: 0;
  background: var(--blue);
  color: #fff;
  padding: 0 26px;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  font-size: 14px;
}
.search-box button:hover { background: var(--blue-dark); }

.empty-tip {
  text-align: center;
  color: var(--text2);
  padding: 50px 0;
  font-size: 15px;
}

/* ---------- 返回顶部 ---------- */
.backtop {
  position: fixed;
  right: 26px;
  bottom: 40px;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  text-align: center;
  line-height: 44px;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
  z-index: 998;
  box-shadow: 0 6px 16px rgba(10,47,90,.3);
}
.backtop.show { opacity: 1; visibility: visible; }
.backtop:hover { background: var(--orange); }

/* ---------- 图片占位(演示用) ---------- */
.img-ph {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #52708f;
  font-size: 15px;
  letter-spacing: 2px;
  background: repeating-linear-gradient(45deg, #d8e2ee, #d8e2ee 12px, #cdd9e7 12px, #cdd9e7 24px);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1100px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-detail { grid-template-columns: 1fr; }
  .hd-search { display: none; }
}
@media (max-width: 992px) {
  .nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 6%;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform .3s;
    z-index: 998;
  }
  .nav.open { transform: translateX(0); }
  .nav > li > a { line-height: 52px; border-bottom: 1px solid var(--border); padding: 0; }
  .nav > li > a::after { display: none; }
  .nav > li .subnav {
    position: static;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border-top: 0;
    display: none;
    transform: none;
  }
  .nav > li:hover .subnav { display: block; }
  .nav-toggle { display: flex; }
  .page-wrap { grid-template-columns: 1fr; }
  .about-wrap { grid-template-columns: 1fr; }
  .news-home { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .footer .f-grid { grid-template-columns: 1fr 1fr; }
  .contact-cards { grid-template-columns: 1fr 1fr; }
  .mx-slider { height: 360px; }
  .mx-slide-text h2 { font-size: 28px; }
}
@media (max-width: 640px) {
  .topbar .tb-welcome { display: none; }
  .topbar .container { justify-content: center; }
  .header .container { height: 64px; }
  .nav { top: 64px; }
  .logo .logo-text .cn { font-size: 19px; }
  .mx-slider { height: 260px; }
  .mx-slide-text h2 { font-size: 21px; }
  .mx-slide-text p { font-size: 13px; }
  .mx-arrow { display: none; }
  .sec { padding: 46px 0; }
  .sec-tit h2 { font-size: 23px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-item { padding: 13px 14px; font-size: 14px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .case-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .cta-band .container { flex-direction: column; text-align: center; }
  .footer .f-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .main-box { padding: 20px; }
  .prod-thumbs { grid-template-columns: repeat(4, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .news-li .date { width: 68px; }
  .about-visual .num b { font-size: 30px; }
  .page-banner h1 { font-size: 22px; }
}