/* ============================================================
   深圳市智汉科技有限公司 zhihanece.com 前台样式 v25
   VI：科技蓝 #1660c9 + 商务金 #DAA520（点缀）
   ============================================================ */
:root {
  --blue: #1660c9;
  --blue-deep: #0b3d8f;
  --blue-light: #e8f1fd;
  --gold: #DAA520;
  --gold-light: #f7ecc8;
  --text: #2b3442;
  --text-light: #7a8798;
  --line: #e4e9f0;
  --bg-gray: #f5f8fb;
  --radius: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif; color: var(--text); font-size: 15px; background: #fff; }
a { text-decoration: none; color: inherit; transition: color .2s; }
a:hover { color: var(--blue); }
ul { list-style: none; }
img { max-width: 100%; }
/* v4.0 全站宽屏：主流科技企业官网宽度（1400px），窄屏仍自适应 */
.container { width: 1400px; max-width: 96%; margin: 0 auto; }

/* ---------- 主导航（融合 logo / 菜单 / 搜索）---------- */
.main-nav { background: #fff; box-shadow: 0 2px 10px rgba(11,61,143,.06); position: sticky; top: 0; z-index: 900; }
.main-nav-in { display: flex; align-items: center; height: 80px; gap: 18px; position: relative; }
.main-nav-in > .logo { flex: 0 0 auto; margin-right: 12px; }
.main-nav-in > .nav-list { flex: 1 1 auto; }
.main-nav-in > .nav-search { flex: 0 0 auto; }

.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff; font-weight: 700; font-size: 26px;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 0; position: relative; overflow: hidden;
  box-shadow: 0 4px 12px rgba(22,96,201,.25);
}
.logo-mark::after {
  content: ""; position: absolute; inset: -50% -50% auto auto;
  width: 28px; height: 28px;
  background: var(--gold); opacity: .85; border-radius: 50%;
  filter: blur(2px); transform: rotate(20deg);
}
.logo-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
  display: inline-block; margin: 4px 0 0 -3px;
  box-shadow: 0 0 0 2px rgba(218,165,32,.25);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text b { font-size: 22px; color: var(--blue-deep); letter-spacing: 2px; font-weight: 700; }
.logo-text b::after {
  content: ""; display: block; width: 26px; height: 2px;
  background: var(--gold); margin-top: 2px; border-radius: 2px;
}
.logo-text i { font-style: normal; font-size: 11.5px; color: var(--text-light); letter-spacing: 1px; margin-top: 2px; }
.logo:hover { color: inherit; }

.nav-list { display: flex; justify-content: center; }
.nav-item { position: relative; }
.nav-item > a { display: flex; align-items: center; gap: 4px; padding: 0 22px; height: 80px; font-size: 16px; font-weight: 500; color: var(--text); }
.nav-item > a .arrow { font-size: 11px; color: var(--text-light); font-style: normal; transition: transform .2s; }
.nav-item:hover > a, .nav-item.on > a { color: var(--blue); }
.nav-item:hover > a { background: linear-gradient(180deg, transparent 70%, var(--blue-light)); }
.nav-item.on > a::after {
  content: ""; position: absolute; left: 50%; bottom: 0;
  width: 24px; height: 2px; background: var(--gold); border-radius: 2px;
  transform: translateX(-50%);
}
.nav-item:hover .arrow { transform: rotate(180deg); }

/* mega 下拉（横排子项） */
.mega-menu, .drop-menu { position: absolute; top: 80px; left: 50%; transform: translateX(-50%); background: #fff; box-shadow: 0 12px 32px rgba(11,61,143,.14); border-top: 3px solid var(--blue); border-radius: 0 0 8px 8px; opacity: 0; visibility: hidden; transition: all .22s; z-index: 950; }
.nav-item:hover .mega-menu, .nav-item:hover .drop-menu { opacity: 1; visibility: visible; }
/* mega：每个系列为列，列内产品横排多列 */
.mega-menu { display: flex; padding: 20px 24px 22px; gap: 28px; min-width: 720px; max-width: 1100px; }
.mega-col { min-width: 150px; flex: 1; }
.mega-col-title { display: block; font-size: 15px; font-weight: 600; color: var(--blue-deep); padding-bottom: 10px; margin-bottom: 12px; border-bottom: 1px solid var(--line); }
.mega-col ul { display: flex; flex-wrap: wrap; gap: 8px 6px; }
.mega-col ul li a { display: inline-block; font-size: 13px; color: var(--text); padding: 5px 11px; background: var(--bg-gray); border-radius: 14px; line-height: 1.4; white-space: nowrap; transition: all .18s; }
.mega-col ul li a:hover { color: #fff; background: var(--blue); padding-left: 11px; }
.mega-col ul li a em { font-style: normal; font-size: 11px; color: var(--text-light); margin-left: 4px; }
.mega-col ul li a:hover em { color: rgba(255,255,255,.8); }
.mega-empty { font-size: 12.5px; color: var(--text-light); padding: 6px 0; }
/* mega-solu：方案条目横排多列 */
.mega-solu { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px; width: 560px; }
.mega-solu-item { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 18px; white-space: nowrap; }
.mega-solu-item b { font-size: 13.5px; color: var(--text); font-weight: 500; }
.mega-solu-item span { font-size: 11px; color: var(--text-light); padding-left: 6px; border-left: 1px solid var(--line); }
.mega-solu-item:hover { background: var(--blue-light); }
.mega-solu-item:hover b { color: var(--blue-deep); }
/* drop-menu：普通下拉横排 */
.drop-menu { display: flex; flex-direction: row; padding: 10px 12px; min-width: 200px; }
.drop-menu a { display: inline-block; padding: 8px 18px; font-size: 13.5px; color: var(--text); white-space: nowrap; border-radius: 16px; margin: 0 2px; transition: all .18s; }
.drop-menu a:hover { background: var(--blue-light); color: var(--blue); }

/* v2.9 三级下拉：二级分组（竖排）+ 三级子链接 */
.drop-group { display: flex; flex-direction: column; align-items: flex-start; padding: 4px 6px; margin: 0 4px; min-width: 132px; }
.drop-group-title { font-weight: 600; font-size: 13.5px; color: var(--p) !important; padding: 6px 12px !important; margin: 0 !important; border-radius: 6px !important; }
.drop-group-title:hover { background: var(--blue-light) !important; }
a.drop-sub { font-size: 12.8px; color: var(--pdd) !important; padding: 5px 12px 5px 22px !important; margin: 0 !important; border-radius: 6px !important; }
a.drop-sub::before { content: "·"; margin-right: 6px; color: var(--blue); font-weight: 700; }
a.drop-sub:hover { background: var(--blue-light) !important; color: var(--blue) !important; }

/* 导航搜索框（仿锐捷风格 + 金色焦点） */
/* v4.0 搜索：默认只显示方形图标按钮，鼠标移入 / 聚焦时向左展开输入框 */
.nav-search { position: relative; display: flex; align-items: center; justify-content: flex-end; width: 42px; height: 42px; background: var(--bg-gray); border: 1px solid var(--line); border-radius: 6px; padding: 0; overflow: hidden; transition: width .32s cubic-bezier(.22,.61,.36,1), border-color .2s, box-shadow .2s, background .2s; }
.nav-search:hover, .nav-search:focus-within { width: 268px; background: #fff; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-light); }
.nav-search-input { flex: 1 1 auto; width: 0; min-width: 0; border: 0; background: transparent; outline: none; font-size: 13.5px; color: var(--text); opacity: 0; padding: 0 0 0 14px; transition: opacity .2s .06s; }
.nav-search:hover .nav-search-input, .nav-search:focus-within .nav-search-input { width: 100%; min-width: 0; opacity: 1; }
.nav-search-input::placeholder { color: var(--text-light); }
.nav-search-btn { flex: 0 0 40px; width: 40px; height: 40px; border: 0; background: var(--blue); color: #fff; border-radius: 6px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: background .2s; }
.nav-search-btn:hover { background: var(--blue-deep); }
.nav-search-btn svg { display: block; }

/* ---------- 轮播 ---------- */
.hero { position: relative; height: 560px; background: linear-gradient(120deg, #0b3d8f, #1660c9); overflow: hidden; }
.hero-slides { height: 100%; position: relative; }
.hero-slide { position: absolute; inset: 0; display: flex; align-items: flex-end; background-size: cover; background-position: center; opacity: 0; transition: opacity .8s; }
.hero-slide.active { opacity: 1; }
.hero-caption { color: #fff; padding-bottom: 100px; max-width: 800px; }
.hero-caption h2 { font-size: 44px; font-weight: 600; letter-spacing: 2px; margin-bottom: 14px; text-shadow: 0 2px 12px rgba(0,0,0,.3); }
.hero-caption p { font-size: 19px; opacity: .92; letter-spacing: 1px; }
.hero-dots { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 10; }
.hero-dots span { width: 36px; height: 4px; background: rgba(255,255,255,.45); border-radius: 2px; cursor: pointer; transition: background .3s; }
.hero-dots span.on { background: #fff; }
.hero-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border: none; background: rgba(255,255,255,.25); color: #fff; font-size: 26px; cursor: pointer; border-radius: 50%; z-index: 10; transition: background .2s; }
.hero-arrow:hover { background: rgba(255,255,255,.45); }
.hero-prev { left: 30px; } .hero-next { right: 30px; }

/* ---------- 通用 section ---------- */
.section { padding: 64px 0; }
.section-gray { background: var(--bg-gray); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 34px; }
.section-head h2 { font-size: 28px; color: var(--blue-deep); position: relative; padding-left: 14px; }
.section-head h2::before { content: ""; position: absolute; left: 0; top: 5px; bottom: 5px; width: 4px; background: linear-gradient(180deg, var(--blue), var(--gold)); border-radius: 2px; }
.section-head p { font-size: 13px; color: var(--text-light); letter-spacing: 3px; margin-top: 6px; }
.more-link { font-size: 14px; color: var(--text-light); }
.more-link:hover { color: var(--blue); }

/* ---------- 首页产品系列 ---------- */
.series-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.series-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; display: flex; flex-direction: column; align-items: flex-start; transition: all .25s; }
.series-card:hover { border-color: var(--blue); box-shadow: 0 10px 28px rgba(22,96,201,.12); transform: translateY(-4px); }
.series-logo { height: 56px; display: flex; align-items: center; margin-bottom: 16px; }
.series-logo img { max-height: 56px; max-width: 180px; object-fit: contain; }
.series-logo-ph { font-size: 34px; color: var(--blue); }
.series-card h3 { font-size: 18px; color: var(--text); margin-bottom: 4px; }
.series-card em { font-style: normal; font-size: 12px; color: var(--text-light); letter-spacing: 1px; margin-bottom: 12px; }
.series-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; flex: 1; }
.series-count { font-size: 12.5px; color: var(--blue); margin-top: 14px; }

/* ---------- 解决方案卡片 ---------- */
/* v3.3 解决方案：两行三列，每框 385×485px 大图展示；悬停图片上拉（不超出框），标题与描述波浪上拉出现 */
.solu-grid { display: grid; grid-template-columns: repeat(3, 385px); gap: 22px; justify-content: center; }
.solu-card {
  position: relative; display: block; width: 385px; height: 485px; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--blue-deep);
  transition: box-shadow .3s, border-color .3s;
  /* v3.4 波浪式入场（配合 index.ejs 的 animation-delay 递增） */
  animation: soluWave .66s cubic-bezier(.22,.68,.36,1) both;
}
@keyframes soluWave {
  0%   { opacity: 0; transform: translateY(36px) scale(.965); }
  60%  { opacity: 1; }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@media (prefers-reduced-motion: reduce) { .solu-card { animation: none; } }
.solu-card:hover { border-color: var(--blue); box-shadow: 0 18px 40px rgba(11,61,143,.22); }
/* 图片比框高出 24%，悬停时向上平移，配合 overflow:hidden 全程不会露出框底 */
.solu-img {
  position: absolute; left: 0; right: 0; top: 0; height: 128%;
  background-size: cover; background-position: center; background-color: #cddff3;
  transition: transform .62s cubic-bezier(.22,.68,.36,1);
  display: flex; align-items: center; justify-content: center;
}
.solu-card:hover .solu-img { transform: translateY(-20%); }
.solu-img.no-img { background: linear-gradient(135deg, #dbe8f8 0%, #a9c8ea 50%, #6f9fd6 100%); }
.solu-ph { font-style: normal; font-size: 96px; font-weight: 700; color: rgba(255,255,255,.55); text-shadow: 0 8px 22px rgba(11,61,143,.25); }
.solu-mask {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,42,79,.90) 0%, rgba(6,42,79,.55) 34%, rgba(6,42,79,.05) 62%, rgba(6,42,79,0) 100%);
  transition: opacity .35s;
}
.solu-card:hover .solu-mask { opacity: .96; background: linear-gradient(to top, rgba(6,42,79,.94) 0%, rgba(6,42,79,.72) 40%, rgba(6,42,79,.22) 68%, rgba(6,42,79,.04) 100%); }
.solu-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 26px 24px; color: #fff; display: block; }
.solu-body em, .solu-body h3, .solu-body p, .solu-body .solu-more { display: block; }
.solu-body em {
  font-style: normal; font-size: 11.5px; letter-spacing: 1.2px; text-transform: uppercase;
  color: rgba(255,255,255,.70); transform: translateY(0); opacity: .9;
  transition: transform .5s cubic-bezier(.22,.68,.36,1) 0s, opacity .5s ease 0s;
}
.solu-body h3 { font-size: 21px; font-weight: 500; margin-top: 6px; line-height: 1.35; }
.solu-body p {
  font-size: 13.5px; color: rgba(255,255,255,.86); line-height: 1.75; margin-top: 12px;
  max-height: 0; opacity: 0; overflow: hidden;
  transform: translateY(26px);
  transition: max-height .5s ease, opacity .45s ease .10s, transform .55s cubic-bezier(.22,.68,.36,1) .10s, margin-top .5s ease;
}
.solu-more {
  font-weight: 400; font-size: 13px; color: var(--gold-light); margin-top: 0;
  max-height: 0; opacity: 0; overflow: hidden;
  transform: translateY(26px);
  transition: max-height .5s ease, opacity .45s ease .20s, transform .55s cubic-bezier(.22,.68,.36,1) .20s, margin-top .5s ease;
}
/* 悬停：标题英文轻微上移，描述与「了解方案」依次上拉淡入 —— 阶梯延迟形成波浪 */
.solu-card:hover .solu-body em { transform: translateY(-10px); opacity: 1; }
.solu-card:hover .solu-body h3 { transform: translateY(-8px); transition: transform .55s cubic-bezier(.22,.68,.36,1) .06s; }
.solu-card:hover .solu-body p { max-height: 120px; opacity: 1; transform: translateY(-4px); margin-top: 12px; }
.solu-card:hover .solu-more { max-height: 40px; opacity: 1; transform: translateY(0); margin-top: 14px; }
.solu-body h3 { transition: transform .55s cubic-bezier(.22,.68,.36,1); }
@media (prefers-reduced-motion: reduce) {
  .solu-img, .solu-body em, .solu-body h3, .solu-body p, .solu-more { transition: none; }
}

/* ---------- 首页新闻 ---------- */
.news-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.news-col-title { font-size: 17px; color: var(--blue-deep); padding-bottom: 12px; border-bottom: 2px solid var(--blue); margin-bottom: 8px; }
.home-news-item { display: flex; gap: 14px; padding: 14px 4px; border-bottom: 1px dashed var(--line); align-items: center; }
.home-news-item img { width: 110px; height: 68px; object-fit: cover; border-radius: 6px; flex: 0 0 110px; }
.home-news-item b { display: block; font-size: 15px; font-weight: 500; color: var(--text); line-height: 1.5; margin-bottom: 6px; }
.home-news-item:hover b { color: var(--blue); }
.home-news-item span { font-size: 12.5px; color: var(--text-light); }
.news-empty { padding: 30px 0; color: var(--text-light); font-size: 14px; }

/* ---------- 页面 banner / 面包屑 ---------- */
.page-banner { background: linear-gradient(120deg, #0b3d8f, #1660c9); color: #fff; padding: 58px 0; text-align: center; }
.page-banner h1 { font-size: 32px; letter-spacing: 3px; }
.page-banner p { font-size: 13px; letter-spacing: 5px; opacity: .75; margin-top: 10px; }
.page-crumb { font-size: 13px; color: var(--text-light); padding: 22px 0 6px; }
.page-crumb a { color: var(--text-light); }
.page-crumb a:hover { color: var(--blue); }

/* ---------- 产品页 ---------- */
.series-tabs { display: flex; flex-wrap: wrap; gap: 10px; padding: 16px 0 26px; }
.series-tabs a { padding: 8px 22px; border: 1px solid var(--line); border-radius: 20px; font-size: 14px; color: var(--text-light); }
.series-tabs a:hover { border-color: var(--blue); color: var(--blue); }
.series-tabs a.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.series-desc { font-size: 14px; color: var(--text-light); margin-bottom: 24px; line-height: 1.8; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding-bottom: 56px; }
.product-grid-sm { padding-bottom: 0; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s; }
.product-card:hover { border-color: var(--blue); box-shadow: 0 10px 28px rgba(22,96,201,.12); transform: translateY(-4px); }
.product-img { height: 210px; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: contain; padding: 14px; }
.product-img-ph { font-size: 44px; color: #c3d2e5; }
.product-body { padding: 18px 20px 22px; }
.product-body h3 { font-size: 17px; color: var(--text); }
.product-body em { font-style: normal; font-size: 12.5px; color: var(--blue); display: block; margin: 5px 0 10px; }
.product-body p { font-size: 13px; color: var(--text-light); line-height: 1.7; min-height: 44px; }
.product-more { display: inline-block; font-size: 13px; color: var(--blue); margin-top: 10px; }
.empty-tip { padding: 60px 0; text-align: center; color: var(--text-light); }

/* ---------- 产品详情 ---------- */
.pd-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; padding-bottom: 56px; }
.pd-head { display: flex; gap: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.pd-photo { flex: 0 0 360px; height: 300px; background: var(--bg-gray); border-radius: 8px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.pd-photo img { width: 100%; height: 100%; object-fit: contain; }
.pd-photo-ph { font-size: 60px; color: #c3d2e5; }
.pd-info h1 { font-size: 26px; color: var(--text); margin-bottom: 12px; }
.pd-model { display: block; font-style: normal; font-size: 15px; color: var(--blue); margin-bottom: 6px; }
.pd-series { display: inline-block; font-size: 12.5px; color: var(--text-light); background: var(--bg-gray); border-radius: 12px; padding: 3px 12px; margin-bottom: 14px; }
.pd-intro { font-size: 14.5px; color: var(--text-light); line-height: 1.9; }
.pd-btn { display: inline-block; margin-top: 22px; padding: 11px 34px; background: var(--blue); color: #fff; border-radius: 6px; font-size: 14.5px; }
.pd-btn:hover { background: var(--blue-deep); color: #fff; }
.pd-sec { margin-top: 36px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 34px; }
.pd-sec h2 { font-size: 20px; color: var(--blue-deep); padding-left: 12px; border-left: 4px solid var(--blue); margin-bottom: 20px; }
.pd-side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: sticky; top: 80px; }
.pd-side-card h3 { font-size: 17px; color: var(--blue-deep); margin-bottom: 16px; }
.pd-side-item { display: flex; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; }
.pd-side-item:hover { border-color: var(--blue); }
.pd-side-item img { width: 64px; height: 48px; object-fit: contain; }
.pd-side-item b { display: block; font-size: 14px; font-weight: 500; color: var(--text); }
.pd-side-item span { font-size: 12px; color: var(--text-light); }
.dl-list li { margin-bottom: 10px; }
.dl-list a { display: inline-block; padding: 9px 18px; background: var(--blue-light); color: var(--blue-deep); border-radius: 6px; font-size: 13.5px; }
.dl-list a:hover { background: var(--blue); color: #fff; }

/* ---------- 方案详情 ---------- */
.solu-article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 44px 50px; margin-bottom: 56px; }
.solu-cover { width: 100%; border-radius: 8px; margin-bottom: 26px; }
.solu-lead { font-size: 16px; color: var(--text); line-height: 1.9; padding: 18px 22px; background: var(--blue-light); border-radius: 8px; margin-bottom: 26px; }
.solu-page-grid { padding-bottom: 56px; }

/* ---------- 服务支持 ---------- */
.support-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding-bottom: 56px; }
.support-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: all .25s; }
.support-card:hover { border-color: var(--blue); box-shadow: 0 10px 28px rgba(22,96,201,.1); }
.support-card-head { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.support-icon { flex: 0 0 48px; height: 48px; background: var(--blue-light); color: var(--blue); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.support-card-head h3 { font-size: 17px; color: var(--text); }
.support-card-head em { font-style: normal; font-size: 12.5px; color: var(--text-light); }
.support-content { font-size: 14px; color: var(--text-light); }

/* ---------- 新闻列表/详情 ---------- */
.news-list { padding-bottom: 56px; }
.news-row { display: flex; gap: 22px; padding: 22px 10px; border-bottom: 1px solid var(--line); align-items: center; }
.news-row:hover { background: var(--bg-gray); }
.news-date { flex: 0 0 74px; text-align: center; }
.news-date b { display: block; font-size: 26px; color: var(--blue); line-height: 1.1; }
.news-date span { font-size: 12px; color: var(--text-light); }
.news-thumb { flex: 0 0 150px; width: 150px; height: 96px; border-radius: 8px; overflow: hidden; background: var(--bg-gray); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-brief h3 { font-size: 17px; color: var(--text); font-weight: 500; display: flex; align-items: center; gap: 8px; }
.news-row:hover .news-brief h3 { color: var(--blue); }
.hot-badge { font-style: normal; font-size: 11px; color: #fff; background: linear-gradient(90deg, var(--gold), #c8941a); border-radius: 4px; padding: 2px 7px; }
.news-brief p { font-size: 13.5px; color: var(--text-light); line-height: 1.7; margin: 8px 0 10px; }
.news-row-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.news-cat-badge { font-size: 12px; color: var(--blue); background: var(--blue-light); border-radius: 12px; padding: 3px 12px; }
.news-tag { font-size: 12px; color: var(--text-light); }
.news-article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 46px 52px; margin-bottom: 40px; }
.news-article h1 { font-size: 26px; color: var(--text); line-height: 1.5; margin-bottom: 16px; }
.news-meta { font-size: 13px; color: var(--text-light); padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 24px; display: flex; gap: 22px; align-items: center; }
.news-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.news-content { font-size: 15.5px; line-height: 2; color: var(--text); }
.news-content p { margin-bottom: 16px; }
.news-back { margin-top: 30px; }

/* ---------- 关于 ---------- */
.about-wrap { padding-bottom: 56px; }
.about-sec { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 40px; margin-bottom: 26px; }
.about-sec h2 { font-size: 21px; color: var(--blue-deep); padding-left: 12px; border-left: 4px solid var(--blue); margin-bottom: 18px; }
.about-sec p { font-size: 15px; color: var(--text-light); line-height: 2; margin-bottom: 12px; }
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.culture-item { background: var(--bg-gray); border-radius: 8px; padding: 24px; text-align: center; }
.culture-item b { display: block; font-size: 17px; color: var(--blue); margin-bottom: 10px; }
.culture-item p { font-size: 13.5px; margin: 0; }
.about-contact li { display: flex; padding: 10px 0; font-size: 15px; border-bottom: 1px dashed var(--line); }
.about-contact b { flex: 0 0 70px; color: var(--blue-deep); }
.about-contact span { color: var(--text-light); }

/* ---------- 方案分类筛选条 ---------- */
.solucat-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.solucat-bar a {
  padding: 8px 22px; border-radius: 20px; font-size: 14px; color: var(--text);
  background: #fff; border: 1px solid var(--line); transition: all .2s;
}
.solucat-bar a:hover { border-color: var(--blue); color: var(--blue); }
.solucat-bar a.on { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ---------- 关于我们：统计数字 + 在线留言 ---------- */
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 22px 0 6px; }
.about-stat { background: var(--bg-gray); border-radius: 8px; padding: 22px 10px; text-align: center; border-top: 3px solid var(--blue); }
.about-stat b { display: block; font-size: 28px; color: var(--blue-deep); font-weight: 700; }
.about-stat span { font-size: 13px; color: var(--text-light); }
.lead-form { position: relative; margin-top: 6px; }
.lead-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.lead-field label { display: block; font-size: 13.5px; color: var(--blue-deep); font-weight: 600; margin-bottom: 7px; }
.lead-field input, .lead-field select, .lead-field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid #ccd9e6; border-radius: 8px;
  font-size: 14px; font-family: inherit; outline: none; transition: border .2s; background: #fff;
}
.lead-field input:focus, .lead-field select:focus, .lead-field textarea:focus { border-color: var(--blue); }
.lead-field-wide { grid-column: 1 / -1; }
.btn-lead-submit {
  margin-top: 18px; padding: 12px 42px; border: none; border-radius: 8px; cursor: pointer;
  background: var(--blue); color: #fff; font-size: 15px; letter-spacing: 4px; transition: background .2s;
}
.btn-lead-submit:hover { background: var(--blue-deep); }
.btn-lead-submit:disabled { opacity: .6; cursor: not-allowed; }
.lead-tip { margin-left: 14px; font-size: 13.5px; }

/* ---------- 富文本 ---------- */
.rich-content h2 { font-size: 20px; color: var(--blue-deep); margin: 22px 0 12px; }
.rich-content h3 { font-size: 17px; color: var(--text); margin: 18px 0 10px; }
.rich-content p { margin-bottom: 14px; line-height: 1.9; }
.rich-content img { max-width: 100%; border-radius: 8px; margin: 10px 0; }
.rich-content table.re-table { border-collapse: collapse; width: 100%; margin: 14px 0; }
.rich-content table.re-table td, .rich-content table.re-table th { border: 1px solid var(--line); padding: 9px 14px; font-size: 14px; }

/* ---------- 页脚 ---------- */
.footer { background: #0b3d8f; color: rgba(255,255,255,.82); margin-top: 20px; }
.footer-in { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; padding: 54px 0 40px; }
.footer h3 { font-size: 16px; color: #fff; margin-bottom: 18px; }
.footer-about p { font-size: 13.5px; line-height: 1.9; opacity: .8; }
.footer-col ul li { font-size: 13.5px; margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,.78); }
.footer-col ul a:hover { color: #fff; }
/* v2.9 底部三级链接 */
.footer-sub-group { margin-bottom: 4px; }
.footer-sub-title { font-weight: 600; color: #fff !important; }
.footer-sub-list { padding-left: 12px; border-left: 1px dashed rgba(255,255,255,.28); margin: 6px 0 8px 2px; }
.footer-sub-list li { font-size: 12.6px; margin-bottom: 7px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); padding: 18px 0; font-size: 12.5px; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; opacity: .75; }
.footer-bottom a { color: rgba(255,255,255,.75); }
.footer-bottom a:hover { color: #fff; }
/* v4.6 页脚快捷与法律链接行 + 补充说明 */
.footer-links { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.footer-links .fl-sep { opacity: .4; font-style: normal; }
.footer-extra { margin-top: 8px; font-size: 12px; line-height: 1.8; color: rgba(255,255,255,.6); }
/* v2.8 动态底部分组：基于子项数自适应列宽 */
.footer-in { grid-template-columns: minmax(220px, 2fr) repeat(auto-fit, minmax(150px, 1fr)) minmax(180px, 1.4fr); }

/* ---------- 404 ---------- */
.notfound { text-align: center; padding: 110px 0 130px; }
.notfound h1 { font-size: 80px; color: var(--blue); }
.notfound p { color: var(--text-light); margin: 16px 0 28px; }

/* ---------- v2.8 多语言开关（搜索框左侧） ---------- */
.lang-switch {
  display: inline-flex; align-items: center; gap: 4px; height: 38px; padding: 0 14px;
  margin-right: 6px; border: 1px solid var(--line); border-radius: 22px; cursor: pointer;
  font-size: 13.5px; color: var(--text); user-select: none; background: var(--bg-gray);
  transition: border-color .2s, color .2s, box-shadow .2s, background .2s;
}
.lang-switch:hover { border-color: var(--blue-light); background: #fff; color: var(--blue); }
.lang-switch .lang-cur { font-weight: 600; }
.lang-switch .lang-sep { color: var(--text-light); }
.lang-switch .lang-alt { color: var(--text-light); }
.lang-switch:hover .lang-alt { color: var(--blue); }

/* ---------- v2.8 底部社交图标 + 悬停二维码 ---------- */
.footer-socials { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.social-item { position: relative; display: inline-flex; width: 58px; height: 58px; border-radius: 8px; background: rgba(255,255,255,.08); align-items: center; justify-content: center; cursor: pointer; transition: background .2s; overflow: visible; }
.social-item:hover { background: rgba(255,255,255,.16); }
.social-item .social-logo { width: 32px; height: 32px; object-fit: contain; display: block; filter: brightness(1.05); }
.social-item .social-qr {
  position: absolute; left: 50%; bottom: calc(100% + 10px); transform: translateX(-50%);
  background: #fff; padding: 6px; border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.25); opacity: 0; pointer-events: none; visibility: hidden;
  transition: opacity .2s, visibility .2s, transform .2s; z-index: 60;
}
.social-item .social-qr::after {
  content: ""; position: absolute; left: 50%; bottom: -7px; transform: translateX(-50%) rotate(45deg);
  width: 14px; height: 14px; background: #fff; border-radius: 2px;
}
.social-item .social-qr img { display: block; width: 100px; height: 100px; object-fit: contain; }
.social-item:hover .social-qr {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(-4px);
}
.footer-about p + .footer-socials { margin-top: 16px; }

/* ---------- 搜索页 ---------- */
.search-page { padding: 50px 0 70px; }
.search-form-bar { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px; display: flex; gap: 12px; align-items: center; box-shadow: 0 4px 18px rgba(11,61,143,.06); margin-bottom: 30px; }
.search-form-bar input { flex: 1; border: 0; outline: none; font-size: 16px; background: transparent; padding: 8px 4px; }
.search-form-bar button { padding: 10px 26px; background: var(--blue); color: #fff; border: 0; border-radius: 22px; font-size: 14.5px; cursor: pointer; transition: background .2s; }
.search-form-bar button:hover { background: var(--blue-deep); }
.search-hint { font-size: 14px; color: var(--text-light); padding: 0 4px 22px; }
.search-hint b { color: var(--gold); font-weight: 600; padding: 0 4px; }
.search-group { margin-bottom: 30px; }
.search-group-title { font-size: 15px; color: var(--blue-deep); padding: 6px 0 12px; border-bottom: 2px solid var(--blue); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.search-group-title i { font-style: normal; background: var(--blue-light); color: var(--blue); font-size: 12px; padding: 2px 10px; border-radius: 10px; }
.search-group-title b { font-weight: 500; }
.search-group-title em { font-style: normal; margin-left: auto; font-size: 12.5px; color: var(--text-light); font-weight: 400; }
.search-result-item { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 18px 22px; margin-bottom: 12px; transition: all .2s; }
.search-result-item:hover { border-color: var(--blue); box-shadow: 0 6px 20px rgba(22,96,201,.1); }
.search-result-item h3 { font-size: 16px; color: var(--text); margin-bottom: 6px; }
.search-result-item:hover h3 { color: var(--blue); }
.search-result-item p { font-size: 13.5px; color: var(--text-light); line-height: 1.8; margin-bottom: 6px; }
.search-result-item .meta { font-size: 12.5px; color: var(--text-light); }
.search-result-item mark { background: var(--gold-light); color: var(--blue-deep); padding: 0 2px; border-radius: 2px; }
.search-empty { padding: 60px 0; text-align: center; color: var(--text-light); font-size: 14px; }
.search-empty .big { font-size: 38px; color: var(--line); margin-bottom: 12px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .main-nav-in { gap: 10px; }
  .nav-item > a { padding: 0 16px; }
}
@media (max-width: 900px) {
  .main-nav-in { height: 60px; }
  .logo-text i { display: none; }
  .logo-text b { font-size: 18px; }
  .logo-mark { width: 36px; height: 36px; font-size: 22px; }
  .nav-list { display: none; }
  .main-nav-in > .nav-search { flex: 1; margin-left: 12px; width: auto; }
  .nav-search:hover, .nav-search:focus-within { width: auto; }
  .nav-search-input { width: 100%; opacity: 1; }
  .mega-menu, .drop-menu { top: 60px; }
  .section-head h2 { font-size: 22px; }
  .hero { height: 380px; }
  .hero-caption h2 { font-size: 28px; }
}
@media (max-width: 600px) {
  .container { width: 100%; padding: 0 16px; }
  .series-grid, .solu-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .news-cols, .support-list, .culture-grid { grid-template-columns: 1fr; }
  .lead-grid, .about-stats { grid-template-columns: 1fr; }
  .pd-wrap { grid-template-columns: 1fr; }
  .pd-head { flex-direction: column; }
  .pd-photo { flex: none; width: 100%; }
  .footer-in { grid-template-columns: 1fr; }
  .news-row { flex-wrap: wrap; }
  .search-form-bar { padding: 14px; }
  .search-form-bar button { padding: 8px 16px; font-size: 13.5px; }
}

/* ---------- v3.0 导航栏：高度 80px；LOGO 仅显示图片（220×50），不再显示中英文文字 ---------- */
.nav-logo { min-width: 220px; min-height: 50px; }
.nav-logo .nav-logo-img { width: 220px; height: 50px; object-fit: contain; object-position: left center; display: block; }
@media (max-width: 900px) {
  .nav-logo { min-width: 168px; min-height: 38px; }
  .nav-logo .nav-logo-img { width: 168px; height: 38px; }
}

/* ---------- v3.1 导航三级联动面板（产品 / 解决方案）---------- */
.mega-panel, .main-nav-in > .drop-menu {
  position: absolute; top: 80px; left: 0; right: 0;
  background: #fff; box-shadow: 0 18px 40px rgba(11,61,143,.16);
  border-top: 3px solid var(--blue); border-radius: 0 0 10px 10px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .2s, visibility .2s, transform .2s; z-index: 950;
}
.mega-panel.show, .main-nav-in > .drop-menu.show { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav-in > .drop-menu { left: 50%; right: auto; transform: translateX(-50%) translateY(-6px); }
.main-nav-in > .drop-menu.show { transform: translateX(-50%) translateY(0); }
.mega-panel { display: flex; min-height: 260px; }
.mp-col { padding: 18px 0; }
.mp-l1 { flex: 0 0 260px; background: #fafcff; border-right: 1px solid var(--line); border-radius: 0 0 0 8px; }
.mp-l2 { flex: 0 0 220px; border-right: 1px solid var(--line); }
.mp-l2-wide { flex: 1 1 auto; }
.mp-l3 { flex: 1 1 auto; padding: 18px 26px; }
.mega-l1, .mega-l2 { display: flex; align-items: center; gap: 10px; padding: 11px 22px; font-size: 14.5px; color: var(--text); cursor: pointer; transition: all .16s; }
.mega-l1 { font-weight: 500; }
.mega-l2 { font-size: 13.6px; color: var(--text-light); }
.mega-l1:hover, .mega-l1.on { background: #fff; color: var(--blue); box-shadow: inset 3px 0 0 var(--gold); }
.mega-l2:hover, .mega-l2.on { color: var(--blue); background: var(--blue-light); }
.mp-ico {
  width: 30px; height: 30px; flex: 0 0 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-style: normal; overflow: hidden;
}
.mp-ico img { width: 100%; height: 100%; object-fit: contain; }
.mp-ico em { font-style: normal; font-weight: 600; }
.mp-name { flex: 1 1 auto; }
.mp-arrow { font-style: normal; color: var(--text-light); font-size: 15px; }
.mega-l1.on .mp-arrow, .mega-l2.on .mp-arrow { color: var(--blue); }
.mp-pane2, .mp-pane3 { display: none; }
.mp-pane2.on, .mp-pane3.on { display: block; }
/* v3.2 三级产品以「列」呈现：单列最多 8 行，满 8 个自动排到下一列 */
.mp-l3 .mp-pane3.on { display: block; }
.mp-pgroup-wrap { display: flex; align-items: flex-start; gap: 0 26px; }
.mp-pgroup { flex: 1 1 0; min-width: 0; max-width: 300px; display: flex; flex-direction: column; }
.mp-l3 .mega-p {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 7px 10px; background: transparent; border-radius: 6px;
  font-size: 13.2px; max-width: 100%;
}
.mp-l3 .mega-p b { font-weight: 400; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mp-l3 .mega-p em { border-left: none; padding-left: 0; font-size: 11.5px; white-space: nowrap; }
.mp-l3 .mega-p:hover { background: var(--blue-light); color: var(--blue); }
.mp-l3 .mega-p:hover em { color: var(--blue); border-color: transparent; }
.mega-p {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 15px; background: var(--bg-gray); border-radius: 16px;
  font-size: 13px; color: var(--text); transition: all .16s; max-width: 100%;
}
.mega-p b { font-weight: 500; }
.mega-p em { font-style: normal; font-size: 11.5px; color: var(--text-light); border-left: 1px solid var(--line); padding-left: 8px; }
.mega-p:hover { background: var(--blue); color: #fff; }
.mega-p:hover em { color: rgba(255,255,255,.82); border-color: rgba(255,255,255,.35); }
.mega-p-sol { border-radius: 8px; padding: 12px 18px; width: 100%; }
.mp-more { display: block; width: 100%; margin-top: 6px; font-size: 13px; color: var(--blue); }
.mp-more:hover { color: var(--blue-deep); }

/* ---------- v3.1 轮播：文字与导航 LOGO 左对齐 + 向上移动出现 ---------- */
.hero-caption { max-width: none; }
.hero-caption h2, .hero-caption p { max-width: 820px; opacity: 0; }
.hero-slide.active .hero-caption h2 { animation: heroUp .85s cubic-bezier(.22,.68,.36,1) .12s both; }
.hero-slide.active .hero-caption p { animation: heroUp .85s cubic-bezier(.22,.68,.36,1) .32s both; }
@keyframes heroUp { from { opacity: 0; transform: translateY(46px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .hero-slide.active .hero-caption h2, .hero-slide.active .hero-caption p { animation: none; opacity: 1; }
}

/* ---------- v3.1 首页产品中心：图标 + 分类切换展示框 ---------- */
.pc-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.pc-tab {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 22px 12px 14px; background: #fff;
  border: 1px solid var(--line); border-radius: 30px;
  font-size: 15px; color: var(--text); transition: all .2s; cursor: pointer;
}
.pc-tab .pc-ico {
  width: 34px; height: 34px; flex: 0 0 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-style: normal; overflow: hidden;
}
.pc-tab .pc-ico img { width: 100%; height: 100%; object-fit: contain; }
.pc-tab:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.pc-tab.on { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(22,96,201,.22); }
.pc-tab.on .pc-ico { background: rgba(255,255,255,.22); }
.pc-panels { position: relative; }
.pc-panel { display: none; }
/* v3.3 面板整体不再做淡入，改为卡片逐个波浪式出现（见 .pc-card） */
.pc-panel.on { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pc-box {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 22px 18px; transition: all .22s;
}
.pc-box:hover { border-color: var(--blue); box-shadow: 0 12px 30px rgba(22,96,201,.13); transform: translateY(-3px); }
.pc-box h4 { font-size: 16px; color: var(--blue-deep); margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.pc-box h4 a:hover { color: var(--blue); }
.pc-list { list-style: none; }
.pc-list li { border-bottom: 1px dashed var(--line); }
.pc-list li:last-child { border-bottom: none; }
.pc-list a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 2px; font-size: 13.5px; color: var(--text); transition: all .16s; }
.pc-list a:hover { color: var(--blue); padding-left: 6px; }
.pc-list a b { font-weight: 400; }
.pc-list a em { font-style: normal; font-size: 12px; color: var(--text-light); white-space: nowrap; }
.pc-list a:hover em { color: var(--blue); }
.pc-empty { grid-column: 1 / -1; padding: 30px; text-align: center; color: var(--text-light); font-size: 14px; background: #fff; border: 1px dashed var(--line); border-radius: var(--radius); }
@media (max-width: 900px) {
  .pc-panel.on { grid-template-columns: repeat(2, 1fr); }
  .mega-panel { min-height: 0; }
}
@media (max-width: 600px) {
  .pc-panel.on { grid-template-columns: 1fr; }
}

/* ---------- v3.2 首页产品中心：一排「图标 + 文字」分类 + 图片卡片波浪式出现 ---------- */
.pc-tabs {
  display: flex; flex-wrap: nowrap; gap: 0; margin-bottom: 30px;
  border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none;
}
.pc-tabs::-webkit-scrollbar { display: none; }
.pc-tab {
  flex: 1 1 0; min-width: 118px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 16px 8px 14px; margin-bottom: -1px;
  background: none; border: none; border-bottom: 2px solid transparent; border-radius: 0;
  font-size: 14.5px; color: var(--text); cursor: pointer;
  transition: color .2s, border-color .2s; white-space: nowrap;
}
.pc-tab .pc-ico {
  width: 46px; height: 46px; flex: 0 0 46px; border-radius: 50%;
  background: linear-gradient(135deg, #7ea6dd 0%, var(--blue-deep) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-style: normal; overflow: hidden;
  transition: transform .25s, box-shadow .25s, background .25s;
}
.pc-tab .pc-ico img { width: 100%; height: 100%; object-fit: contain; }
.pc-tab .pc-ico em { font-style: normal; font-weight: 600; }
.pc-tab:hover { color: var(--blue); transform: none; }
.pc-tab:hover .pc-ico { transform: translateY(-4px); box-shadow: 0 10px 20px rgba(22,96,201,.24); }
.pc-tab.on {
  background: none; border-bottom-color: var(--blue); box-shadow: none;
  color: var(--blue); font-weight: 500;
}
.pc-tab.on .pc-ico {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  box-shadow: 0 10px 22px rgba(22,96,201,.30);
}

/* 图片卡片（二级子分类，不显示产品型号）v3.3：一行四张，卡片高度 350px */
.pc-panel.on { grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pc-card {
  position: relative; display: block; overflow: hidden; height: 350px;
  border-radius: var(--radius); background: #eef3fa;
  box-shadow: 0 4px 14px rgba(11,61,143,.07);
  animation: pcWave .62s cubic-bezier(.22,.68,.36,1) both;
  transition: box-shadow .25s;
}
.pc-card:hover { box-shadow: 0 16px 34px rgba(11,61,143,.20); }
@keyframes pcWave {
  0%   { opacity: 0; transform: translateY(38px) scale(.955); }
  55%  { opacity: 1; }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
.pc-card-img {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  background-color: #dfe9f6; transition: transform .5s cubic-bezier(.22,.68,.36,1);
}
.pc-card:hover .pc-card-img { transform: scale(1.07); }
.pc-card-img.no-img { background: linear-gradient(135deg, #dbe8f8 0%, #b9d2ee 55%, #9dc0e6 100%); }
.pc-card-ph {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 62px; font-weight: 700; color: rgba(255,255,255,.72); letter-spacing: 2px;
  text-shadow: 0 6px 18px rgba(11,61,143,.22);
}
.pc-card-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 18px 16px;
  background: linear-gradient(to top, rgba(6,42,79,.86) 0%, rgba(6,42,79,.45) 55%, rgba(6,42,79,0) 100%);
  color: #fff;
}
.pc-card-cap b { display: block; font-size: 16.5px; font-weight: 500; }
.pc-card-cap em { display: block; margin-top: 3px; font-style: normal; font-size: 11.5px; letter-spacing: .5px; color: rgba(255,255,255,.72); text-transform: uppercase; }
.pc-card-go {
  position: absolute; right: 16px; top: 14px; padding: 5px 12px; border-radius: 20px;
  background: rgba(255,255,255,.92); color: var(--blue-deep); font-size: 12px;
  opacity: 0; transform: translateY(-6px); transition: all .25s;
}
.pc-card:hover .pc-card-go { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .pc-card { animation: none; }
  .pc-card-img { transition: none; }
}
/* 一行四张时的降级：窄屏依次 3 / 2 / 1 列 */
@media (max-width: 1200px) { .pc-panel.on { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .pc-panel.on { grid-template-columns: repeat(2, 1fr); } .pc-card { height: 300px; } }
@media (max-width: 600px) {
  .pc-tab { min-width: 96px; font-size: 13.5px; padding: 12px 6px 10px; }
  .pc-tab .pc-ico { width: 38px; height: 38px; flex: 0 0 38px; font-size: 15px; }
  .pc-panel.on { grid-template-columns: 1fr; }
  .pc-card { height: 260px; }
}
.hero-caption.hero-center { text-align: center; }
.hero-caption.hero-center h2, .hero-caption.hero-center p { margin-left: auto; margin-right: auto; }

/* ---------- v3.3 导航三级菜单最右侧「推荐位」（180×200，图片 / ≤20s 视频）---------- */
.mp-l4 { flex: 0 0 224px; padding: 18px 22px; border-left: 1px solid var(--line); align-self: stretch; }
.mp-promo { display: none; }
.mp-promo.on { display: block; }
.mp-promo-box {
  position: relative; display: block; width: 180px; height: 200px;
  border-radius: 10px; overflow: hidden; background: var(--blue-light);
  box-shadow: 0 6px 16px rgba(11,61,143,.10); transition: box-shadow .25s;
}
a.mp-promo-box:hover { box-shadow: 0 12px 26px rgba(11,61,143,.22); }
.mp-promo-media { width: 100%; height: 100%; object-fit: cover; display: block; }
.mp-promo-ph {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 4px;
  background: linear-gradient(135deg, #dbe8f8 0%, #b9d2ee 55%, #9dc0e6 100%);
  color: rgba(255,255,255,.92); text-align: center;
}
.mp-promo-ph b { font-size: 34px; font-weight: 700; text-shadow: 0 6px 16px rgba(11,61,143,.22); }
.mp-promo-ph i { font-style: normal; font-size: 11px; letter-spacing: 1px; opacity: .85; }
.mp-promo-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 12px 10px;
  background: linear-gradient(to top, rgba(6,42,79,.88) 0%, rgba(6,42,79,.40) 60%, rgba(6,42,79,0) 100%);
  color: #fff; font-size: 13px; text-align: center; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.mp-promo-box.mp-promo-none { cursor: default; }

/* ---------- v3.3 解决方案 385×485 大图框：窄屏降级 ---------- */
@media (max-width: 1240px) {
  .solu-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .solu-card { width: auto; height: 460px; }
}
@media (max-width: 900px) {
  .solu-grid { grid-template-columns: repeat(2, 1fr); }
  .solu-card { height: 420px; }
}
@media (max-width: 600px) {
  .solu-grid { grid-template-columns: 1fr; }
  .solu-card { height: 360px; }
  .solu-ph { font-size: 72px; }
  .solu-body { padding: 20px; }
  .solu-body h3 { font-size: 18px; }
}

/* ===== v3.6 关于我们：公司概述 / 发展历程 / 文化与价值 / 使命与愿景 / 团体活动 ===== */
.page-banner-hasimg { background-size: cover; background-position: center; }
.ab-rich { font-size: 15px; color: var(--text-light); line-height: 2; }
.ab-rich p { margin-bottom: 12px; }
.ab-intro-grid { display: grid; grid-template-columns: 460px 1fr; gap: 34px; align-items: start; }
.ab-intro-nopic, .ab-split-nopic { grid-template-columns: 1fr; }
.ab-intro-img img { width: 100%; border-radius: 10px; display: block; }

.ab-timeline { position: relative; }
.ab-timeline::before { content: ''; position: absolute; left: 110px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--blue), #d6e4f6); }
.ab-tl-item { display: grid; grid-template-columns: 96px 1fr; gap: 28px; position: relative; padding-bottom: 30px; }
.ab-tl-item:last-child { padding-bottom: 0; }
.ab-tl-year { font-size: 18px; font-weight: 700; color: var(--blue-deep); text-align: right; padding-top: 2px; font-family: Arial, Helvetica, sans-serif; }
.ab-tl-body { position: relative; }
.ab-tl-body::before { content: ''; position: absolute; left: -23px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--blue); box-sizing: content-box; }
.ab-tl-body h3 { font-size: 16.5px; color: var(--text); margin-bottom: 8px; }
.ab-tl-img { margin: 10px 0 12px; }
.ab-tl-img img { max-width: 420px; width: 100%; border-radius: 8px; display: block; }
.ab-tl-body p { font-size: 14.5px; color: var(--text-light); line-height: 1.9; margin: 0; }

.ab-split-grid { display: grid; grid-template-columns: 480px 1fr; gap: 34px; align-items: center; }
.ab-split-img img { width: 100%; border-radius: 10px; display: block; }
.ab-mv { padding: 16px 20px; background: var(--bg-gray); border-left: 4px solid var(--blue); border-radius: 0 8px 8px 0; margin-bottom: 16px; }
.ab-mv:last-child { margin-bottom: 0; }
.ab-mv b { display: block; font-size: 16px; color: var(--blue-deep); margin-bottom: 6px; }

.ab-act-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ab-act { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; transition: transform .25s, box-shadow .25s; }
.ab-act:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(11, 60, 140, .12); }
.ab-act-img { height: 190px; background: var(--bg-gray); overflow: hidden; }
.ab-act-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ab-act-ph { display: flex; height: 100%; align-items: center; justify-content: center; color: #9fb0c4; font-size: 13px; }
.ab-act-body { padding: 16px 18px 20px; }
.ab-act-date { display: block; font-style: normal; font-size: 12.5px; color: #8fa2b8; margin-bottom: 6px; }
.ab-act-body h3 { font-size: 16px; color: var(--blue-deep); margin-bottom: 8px; }
.ab-act-body p { font-size: 13.5px; color: var(--text-light); line-height: 1.8; margin: 0; }

@media (max-width: 900px) {
  .ab-intro-grid, .ab-split-grid { grid-template-columns: 1fr; }
  .ab-act-grid { grid-template-columns: repeat(2, 1fr); }
  .ab-tl-item { grid-template-columns: 74px 1fr; gap: 20px; }
  .ab-timeline::before { left: 84px; }
  .ab-tl-body::before { left: -19px; }
}
@media (max-width: 600px) {
  .ab-act-grid { grid-template-columns: 1fr; }
  .ab-timeline::before { left: 7px; }
  .ab-tl-item { grid-template-columns: 1fr; gap: 6px; padding-left: 30px; padding-bottom: 24px; }
  .ab-tl-year { text-align: left; }
  .ab-tl-body::before { left: -30px; }
}

/* ===== v3.7 联系我们：总公司 + 地图标注 + 分公司 ===== */
.ct-wrap { padding-bottom: 56px; }
.about-sec[id] { scroll-margin-top: 96px; }
.ct-intro { font-size: 15px; color: var(--text-light); line-height: 2; margin: 0; }
.ct-hq-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 30px; align-items: stretch; }
.ct-map { width: 100%; height: 380px; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: var(--bg-gray); }
.ct-map iframe { width: 100%; height: 100%; border: 0; display: block; }
.ct-map-ph, .ct-map-link { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; text-align: center; padding: 20px; text-decoration: none; }
.ct-map-pin { font-size: 32px; color: var(--blue); line-height: 1; }
.ct-map-ph p { font-size: 13px; color: #8fa2b8; line-height: 1.8; margin: 0; }
.ct-map-link { border: 1px dashed #b9cde4; background: #f6f9fd; transition: background .2s, border-color .2s; }
.ct-map-link:hover { background: #eef4fb; border-color: var(--blue); }
.ct-map-link b { font-size: 15px; color: var(--blue-deep); }
.ct-map-link i { font-style: normal; font-size: 12.5px; color: #8fa2b8; }
.ct-branch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ct-bc { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
.ct-bc-img { height: 180px; background: var(--bg-gray); }
.ct-bc-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ct-bc-ph { display: flex; height: 100%; align-items: center; justify-content: center; color: #9fb0c4; font-size: 13px; }
.ct-bc-body { padding: 16px 18px 20px; }
.ct-bc-body h3 { font-size: 16px; color: var(--blue-deep); margin-bottom: 10px; }
.ct-bc-list { list-style: none; margin: 0; padding: 0; }
.ct-bc-list li { display: flex; gap: 8px; font-size: 13.5px; padding: 5px 0; color: var(--text-light); line-height: 1.6; }
.ct-bc-list b { flex: 0 0 36px; color: var(--blue-deep); font-weight: 600; }

/* ===== v3.7 全站在线留言弹窗（联系我们页不弹） ===== */
.lp-mask { position: fixed; inset: 0; background: rgba(10, 30, 60, .42); display: none; align-items: center; justify-content: center; z-index: 9999; padding: 20px; }
.lp-mask.show { display: flex; }
.lp-box { position: relative; width: 380px; max-width: 100%; background: #fff; border-radius: 14px; padding: 26px 26px 22px; box-shadow: 0 18px 50px rgba(8, 32, 66, .28); animation: lpIn .28s ease; }
@keyframes lpIn { from { opacity: 0; transform: translateY(16px) scale(.97); } to { opacity: 1; transform: none; } }
.lp-close { position: absolute; top: 10px; right: 14px; border: 0; background: transparent; font-size: 24px; line-height: 1; color: #9fb0c4; cursor: pointer; }
.lp-close:hover { color: var(--blue); }
.lp-box h3 { font-size: 18px; color: var(--blue-deep); margin-bottom: 6px; }
.lp-desc { font-size: 13px; color: #7a8ca0; line-height: 1.7; margin-bottom: 14px; }
.lp-form { display: grid; gap: 10px; }
.lp-form input, .lp-form textarea { width: 100%; padding: 9px 12px; border: 1px solid #ccd9e6; border-radius: 6px; font-size: 13.5px; font-family: inherit; }
.lp-form input:focus, .lp-form textarea:focus { outline: none; border-color: var(--blue); }
.lp-form textarea { resize: vertical; }
.lp-submit { padding: 10px; border: 0; border-radius: 6px; background: var(--blue); color: #fff; font-size: 14px; cursor: pointer; }
.lp-submit:hover { background: var(--blue-deep); }
.lp-tip { font-size: 12.5px; min-height: 16px; }

@media (max-width: 900px) {
  .ct-hq-grid { grid-template-columns: 1fr; }
  .ct-branch-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .ct-branch-grid { grid-template-columns: 1fr; }
  .ct-map { height: 300px; }
}

/* ---------- v3.8 首页新闻：左两张大图卡 + 右列表 ---------- */
.news-hero { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: stretch; }
.news-hero-cards { display: flex; gap: 20px; min-width: 0; }
/* v3.9：默认第一张展开 500px、第二张收缩 320px；鼠标移入哪张哪张展开（JS 切换 .wide） */
.nh-card { position: relative; flex: 0 0 320px; min-width: 0; height: 420px; border-radius: 14px; overflow: hidden; background: #eef2f8; transition: flex-basis .55s cubic-bezier(.22,.61,.36,1), box-shadow .5s; box-shadow: 0 6px 22px rgba(15,40,80,.10); }
.nh-card.wide { flex-basis: 500px; box-shadow: 0 14px 34px rgba(15,40,80,.18); }
/* 图片区：收缩态占 60% 高（等于上拉 2/5），展开态铺满；object-fit:cover 保证等比不拉伸、不溢出 */
.nh-media { position: absolute; top: 0; left: 0; right: 0; height: 60%; overflow: hidden; transition: height .55s cubic-bezier(.22,.61,.36,1); background: linear-gradient(135deg, #17427a, #2f6fb8); }
.nh-card.wide .nh-media { height: 100%; }
.nh-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nh-media .nh-nopic { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, #17427a, #2f6fb8); }
.nh-card .nh-tag { position: absolute; top: 16px; left: 16px; z-index: 3; background: rgba(255,255,255,.92); color: var(--blue-deep); font-size: 12px; font-style: normal; padding: 4px 12px; border-radius: 20px; font-weight: 600; letter-spacing: 1px; }
/* 展开态文案：图片底部渐变罩，只有标题与时间 */
.nh-cap { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 56px 22px 20px; background: linear-gradient(180deg, rgba(6,20,40,0) 0%, rgba(6,20,40,.72) 78%); color: #fff; opacity: 0; transition: opacity .35s; pointer-events: none; }
.nh-card.wide .nh-cap { opacity: 1; }
.nh-cap b { display: -webkit-box; font-size: 17px; font-weight: 600; line-height: 1.5; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.nh-cap .nh-date { display: inline-block; margin-top: 10px; font-size: 12.5px; opacity: .85; }
/* 收缩态文案：图片上拉后下方露出，标题 + 概要 + 时间 */
.nh-info { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; height: 40%; padding: 20px 20px 18px; background: #fff; opacity: 1; transition: opacity .3s; overflow: hidden; }
.nh-card.wide .nh-info { opacity: 0; pointer-events: none; }
.nh-info .nh-title { display: -webkit-box; font-size: 15.5px; font-weight: 600; color: var(--text); line-height: 1.5; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nh-info .nh-sum { margin-top: 8px; font-size: 13px; color: var(--text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nh-info .nh-date { display: inline-block; margin-top: 10px; font-size: 12.5px; color: var(--text-light); }
.news-hero-list { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 6px 22px; display: flex; flex-direction: column; justify-content: center; box-shadow: 0 6px 22px rgba(15,40,80,.06); }
.nl-item { display: block; padding: 15px 0; border-bottom: 1px solid var(--line); }
.nl-item:last-child { border-bottom: none; }
.nl-meta { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-light); }
.nl-meta svg { flex: 0 0 13px; }
.nl-badge { margin-left: auto; font-style: normal; background: #ff6a2b; color: #fff; font-size: 11px; line-height: 1; padding: 4px 9px; border-radius: 3px; font-weight: 500; }
.nl-item b { display: block; margin-top: 8px; font-size: 14.5px; font-weight: 500; color: var(--text); line-height: 1.55; }
.nl-item:hover b { color: var(--blue); }
@media (max-width: 1100px) {
  .news-hero { grid-template-columns: 1fr; }
  .nh-card { height: 380px; }
  .news-hero-list { padding: 4px 18px; }
}
@media (max-width: 720px) {
  .news-hero-cards { flex-direction: column; }
  .nh-card, .nh-card.wide { flex-basis: auto; width: 100%; }
}

/* ---------- v3.10 底部展示框：顶部金色使命+联系方式条 / 导航 / LOGO+slogan+新媒体图标 ---------- */
/* v4.0 底部配色：淡蓝底（与淡金色条搭配） */
.footer { background: #4f85bd; color: rgba(255,255,255,.9); margin-top: 30px; }
/* 顶部淡金色条：公司使命 + 电话/邮箱 一排（白字） */
.footer-strip { background: #d8b26b; }
.fm-row { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding: 26px 0; }
.fm-mission { font-size: 23px; line-height: 1.6; color: #fff; font-weight: 700; margin: 0; text-shadow: 0 1px 2px rgba(120,80,10,.28); }
.fm-contact { display: flex; flex-wrap: wrap; align-items: center; gap: 46px; }
.fm-contact b { font-size: 27px; font-weight: 700; color: #fff; letter-spacing: .5px; text-shadow: 0 1px 2px rgba(120,80,10,.28); }
/* 中部：左导航 + 右 LOGO/slogan/新媒体 */
.footer-top { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 50px; padding: 50px 0 38px; }
.footer-nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 26px; }
.fn-col h3 { font-size: 17px; color: #fff; margin-bottom: 16px; font-weight: 600; }
.fn-col h3 a { color: #fff; }
.fn-col h3 a:hover { color: #ffd98a; }
.fn-col ul li { margin-bottom: 11px; }
.fn-col ul a { font-size: 15px; color: rgba(255,255,255,.75); }
.fn-col ul a:hover { color: #fff; }
.footer-brand { text-align: right; }
.fb-logo { max-width: 210px; max-height: 62px; object-fit: contain; display: inline-block; }
.fb-slogan { margin-top: 20px; font-size: 19px; color: #fff; font-weight: 600; line-height: 1.6; }
/* v4.6 页脚公司简介（后台「底部内容设置 → 品牌与版权」） */
.fb-intro { margin-top: 12px; font-size: 13px; line-height: 1.9; color: rgba(255,255,255,.72); max-width: 420px; display: block; margin-left: auto; }
/* 新媒体图标：放在 LOGO+slogan 下方，右对齐 */
.footer-media { display: flex; gap: 22px; padding: 22px 0 0; flex-wrap: wrap; justify-content: flex-end; }
/* v4.0 新媒体：方形展示框 + 上传图片铺满（无缝隙），不显示中文名 */
.fm-item { position: relative; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.9); }
.fm-icon { position: relative; width: 46px; height: 46px; border-radius: 6px; overflow: hidden; background: rgba(255,255,255,.16); display: flex; align-items: center; justify-content: center; color: var(--mc, #fff); transition: transform .3s, box-shadow .3s; }
.fm-icon svg { width: 22px; height: 22px; }
.fm-icon img { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: cover; display: block; }
.fm-item:hover .fm-icon { transform: translateY(-3px); box-shadow: 0 8px 18px rgba(0,0,0,.25); }
/* 悬停二维码：向下弹出（容器必须显式宽度，否则被全局 img{max-width:100%} 压塌） */
.fm-qr { position: absolute; top: 54px; left: 50%; transform: translateX(-50%); width: 116px; box-sizing: border-box; background: #fff; padding: 8px; border-radius: 10px; box-shadow: 0 10px 26px rgba(0,0,0,.3); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; z-index: 5; }
.fm-item.has-qr:hover .fm-qr { opacity: 1; visibility: visible; }
.fm-qr img { width: 100px; height: 100px; max-width: none; object-fit: contain; display: block; }
.fm-qr::after { content: ''; position: absolute; top: -7px; left: 50%; margin-left: -7px; border: 7px solid transparent; border-bottom-color: #fff; }
/* ==================== v4.2 ==================== */
/* ---------- 1. 轮播 945px（高度含导航栏）+ 导航透明叠加 ---------- */
.hero-full { height: 945px; margin-top: -80px; }
.hero-full .hero-caption { padding-bottom: 140px; }
/* 透明态：导航无白底、菜单文字白色（叠在轮播图上） */
.main-nav.is-trans { background: transparent; box-shadow: none; }
.main-nav.is-trans .nav-item > a { color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,.35); }
.main-nav.is-trans .nav-item:hover > a { color: #fff; background: linear-gradient(180deg, transparent 62%, rgba(255,255,255,.24)); }
.main-nav.is-trans .nav-item.on > a { color: #fff; }
.main-nav.is-trans .lang-switch { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.45); color: #fff; }
.main-nav.is-trans .lang-switch .lang-sep, .main-nav.is-trans .lang-switch .lang-alt { color: rgba(255,255,255,.82); }
.main-nav.is-trans .nav-search { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.45); }
.main-nav.is-trans .nav-search-input { color: #fff; }
.main-nav.is-trans .nav-search-input::placeholder { color: rgba(255,255,255,.82); }
/* 悬停导航栏（或滚过轮播）→ 恢复原有白色导航样式 */
.main-nav.is-trans:hover, .main-nav.is-trans.is-solid { background: #fff; box-shadow: 0 2px 10px rgba(11,61,143,.06); }
.main-nav.is-trans:hover .nav-item > a, .main-nav.is-trans.is-solid .nav-item > a { color: var(--text); text-shadow: none; }
.main-nav.is-trans:hover .nav-item:hover > a, .main-nav.is-trans.is-solid .nav-item:hover > a { color: var(--blue); background: linear-gradient(180deg, transparent 70%, var(--blue-light)); }
.main-nav.is-trans:hover .nav-item.on > a, .main-nav.is-trans.is-solid .nav-item.on > a { color: var(--blue); background: none; }
.main-nav.is-trans:hover .lang-switch, .main-nav.is-trans.is-solid .lang-switch { background: var(--bg-gray); border-color: var(--line); color: var(--text); }
.main-nav.is-trans:hover .lang-switch .lang-sep, .main-nav.is-trans.is-solid .lang-switch .lang-sep,
.main-nav.is-trans:hover .lang-switch .lang-alt, .main-nav.is-trans.is-solid .lang-switch .lang-alt { color: var(--text-light); }
.main-nav.is-trans:hover .nav-search, .main-nav.is-trans.is-solid .nav-search { background: var(--bg-gray); border-color: var(--line); }
.main-nav.is-trans:hover .nav-search:hover, .main-nav.is-trans.is-solid .nav-search:hover { border-color: var(--gold); }
.main-nav.is-trans:hover .nav-search-input, .main-nav.is-trans.is-solid .nav-search-input { color: var(--text); }
.main-nav.is-trans:hover .nav-search-input::placeholder, .main-nav.is-trans.is-solid .nav-search-input::placeholder { color: var(--text-light); }
@media (max-width: 900px) { .hero-full { height: 420px; margin-top: -60px; } }

/* ---------- 2. 下拉菜单全宽屏（相对 .main-nav 定位）---------- */
.main-nav-in { position: static; }
.mega-panel { display: block; min-height: 300px; padding: 0; }
.mp-inner { display: flex; width: 1400px; max-width: 96%; margin: 0 auto; min-height: 300px; }
.mega-panel .mp-col { min-height: 300px; }
/* 一级 / 二级 / 三级字体加大 + 金色圆点点缀 */
.mega-l1 { font-size: 16.5px; padding: 13px 24px; }
.mega-l2 { font-size: 15px; padding: 12px 20px; }
.mega-p { font-size: 14px; padding: 9px 16px; }
.mp-l3 .mega-p { font-size: 14.2px; padding: 9px 12px; justify-content: flex-start; }
.mp-l3 .mega-p b { flex: 1 1 auto; }
.mega-l2::before, .mega-p::before {
  content: ""; flex: 0 0 7px; width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 0 2px rgba(218,165,32,.22);
}
.mega-l2 .mp-arrow { margin-left: auto; }
.mega-empty { padding-left: 22px; }

/* ---------- 3. 展示框标题：中文居中加大 + 蓝金横条 + 去英文 ---------- */
.section-head.sh-center { display: block; position: relative; text-align: center; margin-bottom: 44px; }
.section-head.sh-center h2 { font-size: 34px; padding-left: 0; letter-spacing: 1px; }
.section-head.sh-center h2::before { display: none; }
/* v5.25 首页展示框大标题下标识：与关于我们版块同款金色短横条（替换原蓝金渐变 120×4） */
.section-head.sh-center .sh-bar {
  display: block; width: 54px; height: 3px; margin: 14px auto 0; border-radius: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(218,165,32,.15));
}
.section-head.sh-center .more-link { position: absolute; right: 0; bottom: 8px; }
@media (max-width: 900px) {
  .section-head.sh-center h2 { font-size: 24px; }
  .section-head.sh-center .more-link { position: static; display: inline-block; margin-top: 14px; }
}

/* ---------- 4. 解决方案：一排四个 × 两排，比例 3:4，下拉时由叠放分散归位 ---------- */
.solu-grid { grid-template-columns: repeat(4, 1fr); gap: 22px; }
.solu-card {
  width: auto; height: auto; aspect-ratio: 3 / 4; animation: none;
  transform:
    translate(calc(var(--dx, 0px) * (1 - var(--p, 0))), calc(var(--dy, 0px) * (1 - var(--p, 0))))
    rotate(calc(var(--rot, 0deg) * (1 - var(--p, 0))))
    scale(calc(.92 + .08 * var(--p, 0)));
  box-shadow: 0 14px 34px rgba(11,61,143,.18);
  will-change: transform;
}
.solu-card:hover { box-shadow: 0 22px 46px rgba(11,61,143,.30); }
.solu-body h3 { font-size: 19px; }
@media (max-width: 1240px) { .solu-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .solu-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .solu-grid { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .solu-card { transform: none; } }

/* ---------- 5. 新闻：企业动态展开 600px / 收缩 400px，行业资讯框同步加宽 ---------- */
.news-hero { grid-template-columns: minmax(0, 1fr) 356px; gap: 24px; }
.nh-card { flex: 0 0 400px; height: 440px; }
.nh-card.wide { flex-basis: 600px; }
.news-hero-list { padding: 14px 26px; }
.nl-item { padding: 18px 0; }
.nl-item b { font-size: 15.5px; }
.nl-meta { font-size: 13px; }
@media (max-width: 1460px) {
  .nh-card { flex: 1 1 0; min-width: 0; }
  .nh-card.wide { flex: 1.5 1 0; }
}
@media (max-width: 1100px) {
  .news-hero { grid-template-columns: 1fr; }
  .nh-card, .nh-card.wide { flex: 0 0 400px; height: 400px; }
  .news-hero-list { padding: 10px 22px; }
}
@media (max-width: 720px) {
  .nh-card, .nh-card.wide { flex-basis: auto; width: 100%; }
}

@media (max-width: 1000px) {
  .footer-top { grid-template-columns: 1fr; gap: 34px; padding: 40px 0 30px; }
  .footer-brand { text-align: left; }
  .footer-media { justify-content: flex-start; }
  .fm-row { padding: 20px 0; gap: 18px; }
  .fm-mission { font-size: 19px; }
  .fm-contact { gap: 26px; }
  .fm-contact b { font-size: 20px; }
}

/* ==================== v4.3 ==================== */
/* ---------- 1. 导航：菜单字体加大；搜索去掉方框只留放大镜图标 ---------- */
.main-nav-in { height: 80px; }
.nav-item > a { height: 80px; font-size: 17px; }
/* 搜索：默认无边框无底色，仅放大镜图标 */
.nav-search {
  width: auto; height: auto; padding: 0; overflow: visible;
  background: none; border: 0; border-radius: 0; box-shadow: none;
}
.nav-search:hover, .nav-search:focus-within {
  width: 268px; background: #fff; border: 1px solid var(--gold); border-radius: 22px;
  box-shadow: 0 6px 20px rgba(11,61,143,.14);
}
.nav-search-input { font-size: 14px; padding: 0 0 0 16px; }
.nav-search:hover .nav-search-input, .nav-search:focus-within .nav-search-input { width: 100%; opacity: 1; }
.nav-search-btn {
  flex: 0 0 34px; width: 34px; height: 34px; border-radius: 50%;
  background: none; color: var(--text); transition: color .2s;
}
.nav-search-btn:hover { background: none; color: var(--blue); }
/* 透明导航态：图标为白色；悬停/固定后随导航恢复深色 */
.main-nav.is-trans .nav-search,
.main-nav.is-trans:hover .nav-search,
.main-nav.is-trans.is-solid .nav-search { background: none; border: 0; box-shadow: none; }
.main-nav.is-trans .nav-search-btn { color: #fff; }
.main-nav.is-trans:hover .nav-search-btn,
.main-nav.is-trans.is-solid .nav-search-btn { color: var(--text); }
.main-nav.is-trans .nav-search:hover, .main-nav.is-trans .nav-search:focus-within,
.main-nav.is-trans:hover .nav-search:hover, .main-nav.is-trans:hover .nav-search:focus-within,
.main-nav.is-trans.is-solid .nav-search:hover, .main-nav.is-trans.is-solid .nav-search:focus-within {
  background: #fff; border: 1px solid var(--gold); box-shadow: 0 6px 20px rgba(11,61,143,.14);
}

/* ---------- 2. 服务支持：与「解决方案」一致的两栏全宽面板 ---------- */
.mega-sup .mp-pane2.on { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 20px; padding: 22px 28px; }
.mega-p-sup {
  display: flex; align-items: baseline; gap: 10px; width: 100%;
  padding: 14px 18px; border-radius: 10px; background: var(--bg-gray); font-size: 15px;
}
.mega-p-sup b { font-size: 15px; font-weight: 500; white-space: nowrap; }
.mega-p-sup em { flex: 1 1 auto; border-left: 0; padding-left: 0; font-size: 12.5px; line-height: 1.6; white-space: normal; }
.mega-p-sup:hover { background: var(--blue); color: #fff; }
.mega-p-sup:hover em { color: rgba(255,255,255,.85); }

/* ---------- 3. 关于我们：全宽面板（左二级菜单 + 右图文展示卡） ---------- */
.mega-about .mp-l1-about { flex: 0 0 300px; background: #fafcff; border-right: 1px solid var(--line); }
.mega-about .mega-l1 { font-size: 17px; padding: 16px 28px; }
.mega-about .mega-l1::before {
  content: ""; flex: 0 0 7px; width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 0 2px rgba(218,165,32,.22);
}
.mp-about-show { flex: 1 1 auto; padding: 24px 28px; }
.mp-acard { display: none; gap: 26px; align-items: stretch; padding: 12px; border-radius: 12px; transition: background .2s; }
.mp-acard.on { display: flex; }
.mp-acard:hover { background: var(--blue-light); }
.mp-ac-img {
  flex: 0 0 320px; height: 196px; border-radius: 10px;
  background-size: cover; background-position: center; background-color: var(--bg-gray);
}
.mp-ac-img.no-img { background: linear-gradient(135deg, #0b3d8f 0%, #1660c9 55%, #86abdf 100%); }
.mp-ac-txt { flex: 1 1 auto; display: flex; flex-direction: column; justify-content: center; padding: 0 6px; }
.mp-ac-txt em { font-style: normal; font-size: 12px; letter-spacing: 2.5px; color: var(--text-light); text-transform: uppercase; }
.mp-ac-txt b { display: block; font-size: 23px; font-weight: 600; color: var(--blue-deep); margin: 10px 0 12px; }
.mp-ac-desc { font-size: 14.5px; line-height: 1.9; color: var(--text-light); }
.mp-ac-go { font-style: normal; margin-top: 16px; font-size: 14.5px; color: var(--blue); }
.mp-acard:hover .mp-ac-go { color: var(--blue-deep); }
@media (max-width: 1100px) {
  .mega-about .mp-l1-about { flex: 0 0 240px; }
  .mp-ac-img { flex: 0 0 240px; height: 170px; }
  .mp-ac-txt b { font-size: 20px; }
}

/* ---------- 5. 产品子分类展示框：随页面下拉 / 上拉波浪式滑入 ---------- */
.pc-anim .pc-card { animation: none; opacity: 0; }
.pc-anim .pc-card.pc-in { animation: pcWave2 .8s cubic-bezier(.22,.68,.36,1) var(--wdd, 0ms) both; }
@keyframes pcWave2 {
  0%   { opacity: 0; transform: translate(var(--wdx, 0px), 48px) scale(.95); }
  60%  { opacity: 1; }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .pc-anim .pc-card { opacity: 1; animation: none; }
}

/* ---------- 6. 底部配色：与 VI 主色（科技蓝 + 商务金）统一 ---------- */
.footer-strip { background: linear-gradient(100deg, #e7cb7c 0%, #d6a83e 52%, #c9992b 100%); }
.footer { background: linear-gradient(120deg, #2f6fb8 0%, #4f92d2 100%); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.18); }

/* ---------- 7. 新媒体图标：无方框、无悬停动效（悬停二维码保留） ---------- */
.fm-item { color: #fff; }
.fm-icon {
  width: 40px; height: 40px; border-radius: 0; background: none;
  overflow: visible; color: #fff; transition: none;
}
.fm-icon svg { width: 26px; height: 26px; }
.fm-icon img { position: static; width: 100%; height: 100%; max-width: none; object-fit: contain; }
.fm-item:hover .fm-icon { transform: none; box-shadow: none; }

/* ==================== v4.4 ==================== */
/* 首页新闻资讯：下拉进入视口时动态出现 —— 图一由左移入、图二由上落下、行业资讯列表由右移入 */
.news-hero [data-na] { opacity: 0; }
.news-hero [data-na="left"].na-in  { animation: naLeft .9s cubic-bezier(.22,.68,.36,1) var(--nad, 0ms) both; }
.news-hero [data-na="top"].na-in   { animation: naTop .9s cubic-bezier(.22,.68,.36,1) var(--nad, 0ms) both; }
.news-hero [data-na="right"].na-in { animation: naRight .9s cubic-bezier(.22,.68,.36,1) var(--nad, 0ms) both; }
@keyframes naLeft  { 0% { opacity: 0; transform: translateX(-110px); } 100% { opacity: 1; transform: none; } }
@keyframes naTop   { 0% { opacity: 0; transform: translateY(-90px); }  100% { opacity: 1; transform: none; } }
@keyframes naRight { 0% { opacity: 0; transform: translateX(110px); }  100% { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .news-hero [data-na] { opacity: 1; animation: none !important; }
}

/* ==================== v4.5 产品中心 / 产品详情 ==================== */
/* ---------- 产品中心：全宽 480px 页面横幅 ---------- */
.pc-banner {
  position: relative; width: 100%; height: 480px; overflow: hidden;
  background: linear-gradient(120deg, #0b3d8f, #1660c9) center/cover no-repeat;
  display: flex; align-items: center; justify-content: center; text-align: center; color: #fff;
}
.pc-banner-mask { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,28,64,.42) 0%, rgba(6,28,64,.28) 45%, rgba(6,28,64,.55) 100%); }
.pc-banner-txt { position: relative; z-index: 2; padding: 0 24px; will-change: transform, opacity; }
.pc-banner-txt h1 { font-size: 46px; font-weight: 700; letter-spacing: 4px; text-shadow: 0 6px 24px rgba(6,28,64,.35); }
.pc-banner-txt p { font-size: 14px; letter-spacing: 6px; opacity: .82; margin-top: 14px; text-transform: uppercase; }
.pc-banner-desc { display: block; max-width: 760px; margin: 22px auto 0; font-size: 15.5px; line-height: 1.9; opacity: .88; }

/* ---------- 产品中心：一级分类导航（悬停高亮，点击才切换） ---------- */
.pc-catnav {
  display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 8px;
  padding-bottom: 18px; border-bottom: 1px solid var(--line);
}
.pc-cat {
  padding: 13px 30px; border: 1px solid var(--line); border-radius: 30px; background: #fff;
  text-align: center; line-height: 1.4; transition: all .22s;
}
.pc-cat b { display: block; font-size: 17px; font-weight: 500; color: var(--text); }
.pc-cat em { display: block; font-style: normal; font-size: 11px; letter-spacing: 1.5px; color: var(--text-light); margin-top: 3px; text-transform: uppercase; }
.pc-cat:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(22,96,201,.10); }
.pc-cat:hover b { color: var(--blue); }
.pc-cat.on { background: linear-gradient(120deg, var(--blue-deep), var(--blue)); border-color: transparent; box-shadow: 0 10px 24px rgba(11,61,143,.22); }
.pc-cat.on b { color: #fff; }
.pc-cat.on em { color: rgba(255,255,255,.72); }

/* ---------- 产品中心：二级子分类展示框 ---------- */
.pc-stage { padding: 30px 0 60px; }
.pc-subgrid { display: none; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; animation: pcGridIn .5s ease both; }
.pc-subgrid.on { display: grid; }
.pc-list.hide { display: none; }
@keyframes pcGridIn { 0% { opacity: 0; transform: translateY(16px); } 100% { opacity: 1; transform: none; } }
.pc-subcard {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: all .28s;
}
.pc-subcard:hover { border-color: var(--blue); box-shadow: 0 14px 32px rgba(22,96,201,.14); transform: translateY(-6px); }
.pc-subcard-img { position: relative; height: 190px; background: var(--bg-gray); overflow: hidden; }
.pc-subcard-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s; }
.pc-subcard-img.noimg { background: linear-gradient(135deg, #0b3d8f 0%, #1660c9 55%, #86abdf 100%); }
.pc-subcard:hover .pc-subcard-img img { transform: scale(1.06); }
.pc-subcard-num { position: absolute; right: 12px; bottom: 12px; background: rgba(255,255,255,.94); color: var(--blue-deep); font-size: 12px; padding: 4px 12px; border-radius: 20px; font-weight: 600; }
.pc-subcard-b { padding: 20px 22px 24px; }
.pc-subcard-b b { display: block; font-size: 18px; font-weight: 600; color: var(--blue-deep); }
.pc-subcard-b p { font-size: 13.5px; color: var(--text-light); line-height: 1.8; margin-top: 10px; min-height: 48px; }
.pc-subcard-go { display: inline-block; margin-top: 12px; font-size: 14px; color: var(--blue); }
.pc-subcard:hover .pc-subcard-go { color: var(--gold); }

/* ---------- 产品中心：子分类产品列表 ---------- */
.pc-list-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 6px; }
.pc-list-head h2 { font-size: 28px; color: var(--blue-deep); }
.pc-back { font-size: 14px; color: var(--text-light); }
.pc-back:hover { color: var(--blue); }
.pc-list-desc { font-size: 14.5px; color: var(--text-light); line-height: 1.9; margin: 12px 0 4px; }
.pc-subchips { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 26px; }
.pc-subchips a { padding: 7px 20px; border: 1px solid var(--line); border-radius: 20px; font-size: 14px; color: var(--text-light); }
.pc-subchips a:hover { border-color: var(--blue); color: var(--blue); }
.pc-subchips a.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.pl-list { border-top: 1px solid var(--line); }
.pl-row { display: grid; grid-template-columns: 240px minmax(0, 1fr) 130px; gap: 26px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); transition: background .2s; }
.pl-row:hover { background: var(--bg-gray); }
.pl-img { width: 240px; height: 165px; border-radius: 8px; overflow: hidden; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; }
.pl-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pl-img-ph { font-size: 34px; color: #b9c6d6; }
.pl-body h3 { font-size: 20px; font-weight: 600; color: var(--blue-deep); }
.pl-body em { display: block; font-style: normal; font-size: 13px; color: var(--gold); margin: 6px 0 10px; }
.pl-body p { font-size: 14px; color: var(--text-light); line-height: 1.8; }
.pl-feats { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.pl-feats li { position: relative; padding-left: 14px; font-size: 13.5px; color: var(--text); }
.pl-feats li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.pl-go { font-size: 14px; color: var(--blue); white-space: nowrap; text-align: right; }
.pl-row:hover .pl-go { color: var(--gold); }

/* ---------- 产品详情：图集 + 右侧信息 ---------- */
.pdp-top { display: grid; grid-template-columns: minmax(0, 560px) minmax(0, 1fr); gap: 46px; padding: 10px 0 46px; }
.pdp-stage { height: 440px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.pdp-stage img { width: 100%; height: 100%; object-fit: contain; display: block; }
.pdp-stage-ph { font-size: 60px; color: #c6d2df; }
.pdp-thumbs { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.pdp-thumb { width: 92px; height: 72px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: #fff; overflow: hidden; cursor: pointer; transition: all .2s; }
.pdp-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pdp-thumb:hover { border-color: var(--blue); }
.pdp-thumb.on { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(22,96,201,.22); }
.pdp-info { padding-top: 6px; }
.pdp-info h1 { font-size: 32px; font-weight: 600; color: var(--blue-deep); line-height: 1.35; }
.pdp-model { display: inline-block; margin-top: 12px; font-style: normal; font-size: 15px; color: var(--text); background: var(--bg-gray); padding: 6px 16px; border-radius: 6px; }
.pdp-tag { display: inline-block; margin-left: 10px; font-size: 13px; color: var(--blue); border: 1px solid var(--blue-light); background: var(--blue-light); padding: 5px 14px; border-radius: 20px; }
.pdp-intro { font-size: 15px; color: var(--text-light); line-height: 1.95; margin-top: 18px; }
.pdp-feats { margin-top: 20px; }
.pdp-feats li { position: relative; padding-left: 22px; font-size: 15px; line-height: 2.1; color: var(--text); }
.pdp-feats li::before { content: ""; position: absolute; left: 4px; top: 14px; width: 7px; height: 7px; border-radius: 50%; background: linear-gradient(120deg, var(--gold), var(--blue)); }
.pdp-btns { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.pdp-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 150px; height: 48px; padding: 0 26px; border-radius: 26px; font-size: 15.5px; transition: all .22s; border: 1px solid transparent; cursor: pointer; font-family: inherit; }
.pdp-btn-main { background: linear-gradient(120deg, var(--blue-deep), var(--blue)); color: #fff; box-shadow: 0 10px 24px rgba(22,96,201,.22); }
.pdp-btn-main:hover { color: #fff; filter: brightness(1.08); }
.pdp-btn-gold { background: linear-gradient(120deg, #e7cb7c, #c9992b); color: #fff; box-shadow: 0 10px 24px rgba(201,153,43,.24); }
.pdp-btn-gold:hover { color: #fff; filter: brightness(1.06); }

/* ---------- 产品详情：概述 / 规格 / 资料下载 ---------- */
.pdp-tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); }
.pdp-tabs a { padding: 14px 34px; font-size: 16px; color: var(--text-light); border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all .2s; }
.pdp-tabs a:hover { color: var(--blue); }
.pdp-tabs a.on { color: var(--blue-deep); font-weight: 600; border-bottom-color: var(--gold); }
.pdp-panes { padding: 34px 0 50px; }
.pdp-pane { display: none; }
.pdp-pane.on { display: block; animation: pcGridIn .4s ease both; }
.pdp-doc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.pdp-doc-col { background: var(--bg-gray); border-radius: var(--radius); padding: 22px 24px 26px; }
.pdp-doc-col h3 { font-size: 16.5px; color: var(--blue-deep); padding-bottom: 12px; border-bottom: 1px solid #e0e7f0; }
.pdp-dl-list { margin-top: 12px; }
.pdp-dl-list li { margin-bottom: 12px; }
.pdp-dl-list a { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--text); line-height: 1.6; }
.pdp-dl-list a:hover { color: var(--blue); }
.pdp-dl-list i { flex: 0 0 22px; width: 22px; height: 22px; border-radius: 50%; background: var(--blue); color: #fff; font-style: normal; font-size: 12px; display: inline-flex; align-items: center; justify-content: center; }
.pdp-doc-none { margin-top: 12px; font-size: 13.5px; color: var(--text-light); }

/* ---------- 产品详情：相关配套产品 / 应用方案 ---------- */
.section-head.sh-left { margin-bottom: 26px; }
.section-head.sh-left h2 { font-size: 26px; padding-left: 0; }
.section-head.sh-left h2::before { display: none; }
.section-head.sh-left .sh-bar { display: block; width: 96px; height: 4px; margin-top: 12px; border-radius: 2px; background: linear-gradient(90deg, var(--blue) 0%, var(--gold) 100%); }
.pdp-rel { padding-bottom: 50px; }
.pd-rel-grid { padding-bottom: 0; }
.pd-sol-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.pd-sol-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s; }
.pd-sol-card:hover { border-color: var(--blue); box-shadow: 0 12px 30px rgba(22,96,201,.13); transform: translateY(-4px); }
.pd-sol-img { height: 170px; background: linear-gradient(135deg, #0b3d8f, #1660c9) center/cover no-repeat; }
.pd-sol-b { padding: 18px 22px 24px; }
.pd-sol-b em { font-style: normal; font-size: 11.5px; letter-spacing: 2px; color: var(--text-light); text-transform: uppercase; }
.pd-sol-b b { display: block; font-size: 18px; color: var(--blue-deep); margin: 8px 0 10px; }
.pd-sol-b p { font-size: 13.5px; color: var(--text-light); line-height: 1.8; }

/* ---------- 申请样品弹窗 ---------- */
.pdp-mask { position: fixed; inset: 0; z-index: 2000; background: rgba(9,26,50,.55); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all .22s; padding: 20px; }
.pdp-mask.show { opacity: 1; visibility: visible; }
.pdp-modal { position: relative; width: 420px; max-width: 100%; background: #fff; border-radius: 14px; padding: 30px 30px 26px; box-shadow: 0 24px 60px rgba(6,28,64,.32); transform: translateY(-10px); transition: transform .22s; }
.pdp-mask.show .pdp-modal { transform: none; }
.pdp-modal h3 { font-size: 21px; color: var(--blue-deep); }
.pdp-modal-sub { font-size: 13px; color: var(--text-light); margin: 8px 0 18px; }
.pdp-close { position: absolute; right: 14px; top: 10px; width: 30px; height: 30px; border: 0; background: none; font-size: 24px; color: var(--text-light); cursor: pointer; line-height: 1; }
.pdp-form { display: flex; flex-direction: column; gap: 12px; }
.pdp-form input, .pdp-form textarea { border: 1px solid var(--line); border-radius: 8px; padding: 11px 14px; font-size: 14px; font-family: inherit; color: var(--text); outline: none; transition: border-color .2s; resize: vertical; }
.pdp-form input:focus, .pdp-form textarea:focus { border-color: var(--blue); }
.pdp-submit { height: 44px; border: 0; border-radius: 22px; background: linear-gradient(120deg, var(--blue-deep), var(--blue)); color: #fff; font-size: 15px; cursor: pointer; }
.pdp-tip { font-size: 13px; min-height: 18px; }

@media (max-width: 1240px) {
  .pc-subgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pdp-top { grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: 32px; }
  .pdp-stage { height: 360px; }
  .pd-sol-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .pc-banner { height: 300px; }
  .pc-banner-txt h1 { font-size: 30px; letter-spacing: 2px; }
  .pc-subgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pl-row { grid-template-columns: 150px minmax(0, 1fr); }
  .pl-img { width: 150px; height: 110px; }
  .pl-go { display: none; }
  .pdp-top { grid-template-columns: 1fr; gap: 26px; }
  .pdp-stage { height: 300px; }
  .pdp-doc-grid { grid-template-columns: 1fr; }
  .pd-sol-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .pc-subgrid { grid-template-columns: 1fr; }
  .pc-catnav { gap: 8px; }
  .pc-cat { padding: 10px 18px; }
  .pc-cat b { font-size: 15px; }
}

/* ================= v4.7 产品热销/推荐标识 ================= */
.pbadge { display: inline-flex; align-items: center; font-style: normal; font-size: 12px; font-weight: 700; line-height: 1; padding: 4px 10px; border-radius: 4px; color: #fff; letter-spacing: .5px; box-shadow: 0 2px 6px rgba(0,0,0,.18); }
.pbadge-hot { background: linear-gradient(135deg, #e8443c, #c0392b); }
.pbadge-feat { background: linear-gradient(135deg, #f5b73d, #e0961a); }
.pl-img { position: relative; }
.pl-badges { position: absolute; left: 10px; top: 10px; display: flex; gap: 6px; }
.pdp-badges { display: inline-flex; gap: 8px; margin-left: 12px; vertical-align: 4px; }
.pdp-badges .pbadge { font-size: 13px; padding: 5px 12px; }

/* ================= v4.7 关于我们：板块宽幅背景（通栏、无边框、白字） ================= */
.about-sec.has-bg {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  border: none; border-radius: 0;
  padding: 64px max(2vw, calc((100vw - 1400px) / 2));
  background-size: cover; background-position: center;
  color: #fff; box-shadow: none;
}
.about-sec.has-bg h2 { color: #fff; border-left-color: #f5c451; }
.about-sec.has-bg .ab-rich, .about-sec.has-bg > .ab-intro-grid p, .about-sec.has-bg .ab-split-txt p { color: rgba(255,255,255,.94); }
.about-sec.has-bg .muted { color: rgba(255,255,255,.7); }
.about-sec.has-bg .about-stat { background: rgba(255,255,255,.12); border-top-color: #f5c451; }
.about-sec.has-bg .about-stat b { color: #fff; }
.about-sec.has-bg .about-stat span { color: rgba(255,255,255,.78); }
.about-sec.has-bg .ab-mv { background: rgba(255,255,255,.12); border-left-color: #f5c451; }
.about-sec.has-bg .ab-mv b { color: #f5c451; }
.about-sec.has-bg .ab-act { background: rgba(255,255,255,.97); }
.about-sec.has-bg .ab-act-body h3 { color: var(--blue-deep); }
.about-sec.has-bg .ab-act-body p { color: var(--text-light); }
.about-sec.has-bg .ab-tl-year { color: #fff; }
.about-sec.has-bg .ab-tl-item::before { background: rgba(255,255,255,.35); }
.about-sec.has-bg .ab-tl-dot { background: rgba(255,255,255,.95); border-color: #f5c451; }
.about-sec.has-bg .ab-tl-body h3 { color: #fff; }
.about-sec.has-bg .ab-tl-btn { background: rgba(255,255,255,.92); border-color: transparent; color: var(--blue-deep); }
.about-sec.has-bg .ab-tl-btn:hover { background: #f5c451; color: #22314a; }

/* ================= v4.7 发展历程横排时间线 ================= */
.ab-tl-hwrap { overflow: hidden; }
.ab-tl-h { display: flex; overflow-x: auto; scroll-behavior: smooth; padding: 4px 0 6px; scrollbar-width: thin; }
.ab-tl-h .ab-tl-item { display: block; flex: 0 0 320px; position: relative; padding: 4px 30px 6px 0; }
.ab-tl-h .ab-tl-item::before { content: ''; position: absolute; top: 44px; left: 0; right: 0; height: 2px; background: #d9e6f6; }
.ab-tl-h .ab-tl-item:last-child::before { right: -40px; }
.ab-tl-h .ab-tl-year { display: block; font-size: 20px; font-weight: 700; color: var(--blue-deep); text-align: left; margin-bottom: 26px; font-family: Arial, Helvetica, sans-serif; }
.ab-tl-h .ab-tl-dot { position: absolute; top: 38px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--blue); box-sizing: content-box; }
.ab-tl-h .ab-tl-body { position: static; padding-top: 24px; }
.ab-tl-h .ab-tl-body h3 { font-size: 16.5px; color: var(--text); margin-bottom: 8px; }
.ab-tl-h .ab-tl-img { margin: 10px 0 12px; }
.ab-tl-h .ab-tl-img img { max-width: 260px; width: 100%; border-radius: 8px; display: block; }
.ab-tl-h .ab-tl-body p { font-size: 14px; color: var(--text-light); line-height: 1.9; margin: 0; }
.ab-tl-nav { display: flex; gap: 10px; justify-content: flex-end; margin-top: 10px; }
.ab-tl-btn { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--blue); background: #fff; color: var(--blue); font-size: 16px; line-height: 1; cursor: pointer; transition: background .2s, color .2s, opacity .2s; }
.ab-tl-btn:hover:not([disabled]) { background: var(--blue); color: #fff; }
.ab-tl-btn[disabled] { opacity: .32; cursor: default; }
@media (max-width: 900px) {
  .ab-tl-h .ab-tl-item { flex: 0 0 270px; }
  .about-sec.has-bg { padding: 46px 5vw; }
}

/* ================= v4.8 ================= */
/* 首页产品卡：去掉渐变蓝占位，改为浅灰纯色 */
.pc-card-img.no-img { background: #eef2f7; }
.pc-card-ph { color: #a9b8ca; font-size: 34px; }

/* 产品中心一级分类导航：分类图片图标 */
.pc-cat { display: inline-flex; flex-direction: column; align-items: center; }
.pc-cat-ico {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; margin-bottom: 6px; border-radius: 9px;
  background: #f2f7fd; overflow: hidden; font-style: normal;
  font-weight: 700; font-size: 16px; color: var(--blue);
}
.pc-cat-ico img { width: 100%; height: 100%; object-fit: contain; }
.pc-cat.on .pc-cat-ico { background: rgba(255,255,255,.16); color: #fff; }

/* 导航「产品中心」下拉推荐位：主流科技官网风格（圆角大图 + 悬停缩放 + 底部标题条） */
.mp-l4 { flex: 0 0 248px; padding: 18px 22px; }
.mp-promo-box {
  width: 204px; height: 224px; border-radius: 14px;
  box-shadow: 0 8px 20px rgba(11,61,143,.12); transition: box-shadow .25s, transform .25s;
}
a.mp-promo-box:hover { box-shadow: 0 16px 34px rgba(11,61,143,.26); transform: translateY(-3px); }
.mp-promo-media { transition: transform .45s cubic-bezier(.22,.68,.36,1); }
a.mp-promo-box:hover .mp-promo-media { transform: scale(1.06); }
.mp-promo-ph {
  background: linear-gradient(160deg, #e8f0fa 0%, #d4e4f6 60%, #c2d8f0 100%);
  color: var(--blue-deep); gap: 6px; padding: 0 14px;
}
.mp-promo-ph-ico { font-style: normal; font-size: 26px; opacity: .55; line-height: 1; }
.mp-promo-ph b { font-size: 16px; font-weight: 600; text-shadow: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.mp-promo-ph-txt { font-style: normal; font-size: 11px; letter-spacing: 1px; color: #8fa8c4; }
.mp-promo-cap {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 24px 12px 9px; font-size: 13px;
  background: linear-gradient(to top, rgba(6,42,79,.90) 0%, rgba(6,42,79,.48) 62%, rgba(6,42,79,0) 100%);
}
.mp-promo-cap b { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mp-promo-cap i { font-style: normal; font-size: 11.5px; color: #ffd479; white-space: nowrap; opacity: 0; transform: translateX(-6px); transition: opacity .25s, transform .25s; }
a.mp-promo-box:hover .mp-promo-cap i { opacity: 1; transform: translateX(0); }
@media (max-width: 1240px) {
  .mp-l4 { flex: 0 0 232px; }
  .mp-promo-box { width: 188px; height: 208px; }
}

/* 产品详情：富文本（粘贴表格）横向滚动，不再挤坏下方区块 */
.pdp-pane .rich-content { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.pdp-pane .rich-content table { min-width: 100%; border-collapse: collapse; }
.pdp-pane .rich-content img { max-width: 100%; height: auto; }
@media (max-width: 900px) {
  .pdp-pane .rich-content table { min-width: 560px; }
}

/* ================= v4.9 ================= */
/* 首页产品中心分类图标：导航图标同步显示为 50px 直径圆形（大图自适应缩放） */
.pc-tab .pc-ico { width: 50px; height: 50px; flex: 0 0 50px; border-radius: 50%; }
.pc-tab { padding: 14px 8px 12px; }
@media (max-width: 600px) {
  .pc-tab .pc-ico { width: 42px; height: 42px; flex: 0 0 42px; }
}

/* ================= v5.0 ================= */
/* 分类图标框统一「无边框 + 透明底」：导航下拉 .mp-ico / 首页分类圆形 .pc-ico / 产品中心页 .pc-cat-ico */
.mp-ico,
.mega-l1:hover .mp-ico, .mega-l1.on .mp-ico,
.mega-l2:hover .mp-ico, .mega-l2.on .mp-ico {
  background: none; border: none; box-shadow: none;
}
.mp-ico { color: var(--blue); }
.mp-ico em { color: var(--blue); font-weight: 700; }

.pc-tab .pc-ico,
.pc-tab:hover .pc-ico,
.pc-tab.on .pc-ico {
  background: none; border: none; box-shadow: none;
}
.pc-tab .pc-ico em, .pc-tab:hover .pc-ico em, .pc-tab.on .pc-ico em { color: var(--blue); font-weight: 700; }
.pc-tab:hover .pc-ico { transform: translateY(-4px); }
.pc-tab.on .pc-ico { transform: translateY(-3px); }

.pc-cat-ico, .pc-cat.on .pc-cat-ico { background: none; border: none; }
.pc-cat-ico { color: var(--blue); }
.pc-cat.on .pc-cat-ico { color: #fff; }

/* 导航「产品中心」三级菜单推荐位：撑满右列高度、垂直居中（主流科技官网整列海报卡） */
.mp-l4 {
  flex: 0 0 260px; padding: 16px 20px;
  display: flex; flex-direction: column; justify-content: center;
}
.mp-l4 .mp-promo.on { display: flex; flex: 1 1 auto; min-height: 0; width: 100%; }
.mp-l4 .mp-promo.on .mp-promo-box { width: 100%; height: 100%; min-height: 268px; }
.mp-promo-box { width: 216px; height: 280px; }
.mp-l4 .mp-promo-cap { font-size: 13.5px; padding: 28px 14px 11px; }
@media (max-width: 1240px) {
  .mp-l4 { flex: 0 0 236px; padding: 14px 16px; }
  .mp-promo-box { width: 100%; min-height: 248px; height: auto; }
}

/* ---------- v4.9 前台标题中英文切换（html[data-lang] 由导航语言切换脚本写入） ---------- */
/* 中文：隐藏纯英文节点；英文：隐藏纯中文节点；任一语言激活时隐藏「中英并显」的副节点 */
html[data-lang="zh"] .i18n-en { display: none !important; }
html[data-lang="en"] .i18n-zh { display: none !important; }
html[data-lang] .i18n-alt { display: none !important; }

/* ================= v5.1 ================= */

/* 1) 首页产品中心展示框：底部前置渐变固定 50px 高，标题在渐变条内垂直居中 */
.pc-card-cap {
  height: 50px; padding: 0 62px 0 18px; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center;
  background: linear-gradient(to top, rgba(6,42,79,.92) 0%, rgba(6,42,79,.66) 46%, rgba(6,42,79,0) 100%);
}
.pc-card-cap b { font-size: 16.5px; line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* 渐变条仅 50px，英文副标题不再占位（中英文仍由 data-i18n-txt 在标题上切换） */
.pc-card-cap em { display: none !important; }

/* 1) 悬停时金色线条沿边框流动（conic-gradient 旋转 + 内镂空遮罩） */
@property --pcAng { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
.pc-card::after {
  content: ""; position: absolute; inset: 0; z-index: 3;
  border-radius: inherit; padding: 2px; pointer-events: none; opacity: 0;
  background: conic-gradient(from var(--pcAng),
    rgba(218,165,32,0) 0deg, rgba(218,165,32,0) 236deg,
    rgba(218,165,32,.35) 288deg, #f3c94f 330deg, #ffe9ac 348deg,
    rgba(255,233,172,.55) 354deg, rgba(218,165,32,0) 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  transition: opacity .25s;
}
.pc-card:hover::after { opacity: 1; animation: pcAngFlow 2.4s linear infinite; }
@keyframes pcAngFlow { from { --pcAng: 0deg; } to { --pcAng: 360deg; } }
/* 不支持遮罩合成的浏览器：悬停仍有一条金边 */
.pc-card:hover { box-shadow: 0 16px 34px rgba(11,61,143,.20), inset 0 0 0 1px rgba(218,165,32,.55); }
@media (prefers-reduced-motion: reduce) {
  .pc-card:hover::after { animation: none; }
}

/* 1) 「查看详情」→ 内置右箭头的圆形图标 */
.pc-card-go {
  position: absolute; right: 14px; bottom: 8px; top: auto; z-index: 4;
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.94); color: var(--blue-deep);
  box-shadow: 0 4px 12px rgba(6,42,79,.30);
  opacity: 0; transform: translateY(8px); transition: opacity .25s, transform .25s, background .25s, color .25s;
}
.pc-card:hover .pc-card-go { opacity: 1; transform: translateY(0); }
.pc-card-go:hover { background: var(--gold); color: #fff; }

/* 2) 导航三级菜单右侧推荐位：固定 3:4、最宽 220px、整列垂直居中，不随产品数量拉伸 */
.mp-l4 {
  flex: 0 0 260px; padding: 16px 20px;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
}
.mp-l4 .mp-promo.on { display: flex; flex: 0 0 auto; width: 100%; justify-content: center; }
.mp-l4 .mp-promo.on .mp-promo-box { width: 100%; max-width: 220px; height: auto; min-height: 0; aspect-ratio: 3 / 4; }
.mp-promo-box { width: 220px; max-width: 100%; height: auto; aspect-ratio: 3 / 4; }
@supports not (aspect-ratio: 3 / 4) {
  .mp-l4 .mp-promo.on .mp-promo-box { height: 293px; }
}
@media (max-width: 1240px) {
  .mp-l4 { flex: 0 0 236px; padding: 14px 16px; }
  .mp-l4 .mp-promo.on .mp-promo-box { max-width: 200px; }
}

/* 3) 首页每个展示框标题：上下间距统一 100px */
.section-head.sh-center { margin: 100px 0; }
@media (max-width: 900px) {
  .section-head.sh-center { margin: 56px 0; }
}

/* 4) 产品中心一级分类导航：默认立体（蓝 + 金），单个菜单栏悬停变为平面 */
.pc-catnav { gap: 18px; margin: 34px 0 10px; padding-bottom: 22px; }
.pc-cat {
  position: relative; padding: 14px 34px; border: 1px solid rgba(255,255,255,.28);
  border-radius: 30px; background: linear-gradient(165deg, #4f93da 0%, var(--blue) 46%, var(--blue-deep) 100%);
  box-shadow:
    0 9px 0 -3px rgba(7,38,84,.72),
    0 16px 28px rgba(11,61,143,.28),
    inset 0 1px 0 rgba(255,255,255,.55),
    inset 0 -7px 14px rgba(6,32,74,.28);
  transform: translateY(0);
  transition: transform .22s cubic-bezier(.22,.68,.36,1), box-shadow .22s, background .22s, border-color .22s;
}
.pc-cat b { color: #fff; font-weight: 600; text-shadow: 0 1px 2px rgba(6,32,74,.35); }
.pc-cat em { color: rgba(255,255,255,.72); }
.pc-cat:hover {
  transform: translateY(6px);
  background: #fff; border-color: var(--gold);
  box-shadow: 0 2px 0 0 rgba(218,165,32,.35), 0 6px 14px rgba(11,61,143,.10), inset 0 0 0 2px var(--gold);
}
.pc-cat:hover b { color: var(--blue-deep); text-shadow: none; }
.pc-cat:hover em { color: var(--gold); }
.pc-cat.on {
  background: linear-gradient(165deg, #f4d78d 0%, var(--gold) 48%, #c9961c 100%);
  border-color: rgba(255,255,255,.45);
  box-shadow:
    0 9px 0 -3px #a2741a,
    0 16px 28px rgba(150,110,20,.30),
    inset 0 1px 0 rgba(255,255,255,.60),
    inset 0 -7px 14px rgba(120,84,10,.22);
}
.pc-cat.on b { color: #fff; text-shadow: 0 1px 2px rgba(110,76,8,.35); }
.pc-cat.on em { color: rgba(255,255,255,.85); }
/* 选中项悬停同样变为平面（保留金色调，去掉立体厚度） */
.pc-cat.on:hover {
  transform: translateY(6px);
  background: #fffdf6; border-color: var(--gold);
  box-shadow: 0 2px 0 0 rgba(218,165,32,.35), 0 6px 14px rgba(11,61,143,.10), inset 0 0 0 2px var(--gold);
}
.pc-cat.on:hover b { color: var(--blue-deep); text-shadow: none; }
.pc-cat.on:hover em { color: var(--gold); }
@media (max-width: 900px) {
  .pc-catnav { gap: 10px; }
  .pc-cat { padding: 11px 22px; }
}

/* 5) 产品中心-产品列表：圆角长方形卡片，悬停 3D 卡片式 */
.pl-list { border-top: none; display: flex; flex-direction: column; gap: 28px; padding-top: 6px; }
/* 注：产品列表区块同时带 .pc-list 类，历史样式 `.pc-list a` 优先级更高，这里用 .pl-list 提升优先级 */
.pl-list .pl-row {
  display: grid; grid-template-columns: 200px 300px minmax(0, 1fr) 56px;
  align-items: center; justify-content: start; gap: 0; padding: 18px 22px;
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 4px 14px rgba(11,61,143,.05); font-size: 15px; color: var(--text);
  transition: transform .32s cubic-bezier(.22,.68,.36,1), box-shadow .32s, border-color .32s, background .32s;
}
.pl-list .pl-row:hover {
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  border-color: rgba(218,165,32,.60);
  color: var(--text); padding-left: 22px;
  transform: perspective(1000px) rotateX(2deg) translateY(-6px);
  box-shadow: 0 26px 46px rgba(11,61,143,.18), 0 0 0 1px rgba(218,165,32,.45);
}
.pl-img { width: 200px; height: 200px; border-radius: 14px; overflow: hidden; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; }
.pl-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s cubic-bezier(.22,.68,.36,1); }
.pl-row:hover .pl-img img { transform: scale(1.06); }
/* 徽标（推荐 / 热销）移到产品图右侧 */
.pl-mark { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; padding-left: 24px; }
.pl-mark .pbadge { font-size: 12.5px; padding: 5px 12px; border-radius: 20px; }
.pl-body { max-width: 500px; }
.pl-body h3 { font-size: 19px; font-weight: 600; color: var(--blue-deep); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-body em { display: block; font-style: normal; font-size: 13px; color: var(--gold); margin: 6px 0 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-body p { font-size: 14px; color: var(--text-light); line-height: 1.8; max-width: 500px; }
.pl-feats { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.pl-feats li { position: relative; padding-left: 14px; font-size: 13.5px; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 500px; }
.pl-feats li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
/* 列表卡片右侧：内置右箭头的圆形图标 */
.pl-go {
  justify-self: end; width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); background: #fff; color: var(--blue);
  transition: all .28s;
}
.pl-go svg { display: block; }
.pl-row:hover .pl-go { background: var(--gold); border-color: var(--gold); color: #fff; transform: translateX(4px); }

/* 5) 分页（每页 10 个产品） */
.pl-pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin: 44px 0 10px; }
.pl-pager a, .pl-pager span {
  min-width: 38px; height: 38px; padding: 0 12px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; border: 1px solid var(--line); background: #fff; color: var(--text);
  transition: all .2s;
}
.pl-pager a:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.pl-pager span.on { background: linear-gradient(165deg, var(--blue) 0%, var(--blue-deep) 100%); border-color: transparent; color: #fff; font-weight: 600; box-shadow: 0 8px 18px rgba(11,61,143,.22); }
.pl-pager span.dots { border: none; background: none; min-width: 20px; padding: 0; color: var(--text-light); }
.pl-count { text-align: center; font-size: 13px; color: var(--text-light); margin-bottom: 18px; }

@media (max-width: 1240px) {
  .pl-list .pl-row { grid-template-columns: 160px 180px minmax(0, 1fr) 56px; }
  .pl-img { width: 160px; height: 160px; }
  .pl-mark { padding-left: 16px; }
}
@media (max-width: 900px) {
  .pl-list .pl-row { grid-template-columns: 140px minmax(0, 1fr); gap: 16px; padding: 14px 16px; }
  .pl-list .pl-row:hover { padding-left: 16px; }
  .pl-img { width: 140px; height: 140px; }
  .pl-mark { grid-column: 1 / -1; flex-direction: row; padding-left: 0; }
  .pl-go { display: none; }
  .pl-body, .pl-body p, .pl-feats li { max-width: 100%; }
}

/* ================= v5.2 ================= */

/* 3) 产品中心一级分类导航：合并为一条居中长条（无独立圆角条），蓝金配色 + 立体质感 */
.pc-catnav {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0;
  width: fit-content; max-width: 100%;
  margin: 36px auto 14px; padding: 0;
  border: none; border-radius: 20px; overflow: hidden;
  box-shadow: 0 10px 0 -4px rgba(7,38,84,.55), 0 18px 32px rgba(11,61,143,.26);
}
.pc-cat {
  position: relative; padding: 17px 40px 15px;
  border: none; border-radius: 0;
  background: linear-gradient(180deg, #5a9ade 0%, var(--blue) 46%, var(--blue-deep) 100%);
  box-shadow: none;
}
.pc-cat + .pc-cat { border-left: 1px solid rgba(255,255,255,.22); }
.pc-cat b { color: #fff; font-weight: 600; text-shadow: 0 1px 2px rgba(6,32,74,.35); }
.pc-cat em { color: rgba(255,255,255,.72); }
/* 悬停：变平面（白底金环），不再单独下沉，保持长条完整 */
.pc-cat:hover, .pc-cat.on:hover {
  transform: none;
  background: #fff; border-color: transparent;
  box-shadow: inset 0 0 0 2px var(--gold);
}
.pc-cat:hover b, .pc-cat.on:hover b { color: var(--blue-deep); text-shadow: none; }
.pc-cat:hover em, .pc-cat.on:hover em { color: var(--gold); }
/* 选中：金色段 */
.pc-cat.on {
  background: linear-gradient(180deg, #f4d78d 0%, var(--gold) 48%, #c9961c 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.55), inset 0 -6px 12px rgba(120,84,10,.22);
}
.pc-cat.on b { color: #fff; text-shadow: 0 1px 2px rgba(110,76,8,.35); }
.pc-cat.on em { color: rgba(255,255,255,.85); }
@media (max-width: 900px) {
  .pc-catnav { border-radius: 14px; }
  .pc-cat { padding: 12px 22px 11px; }
  .pc-cat:first-child { border-radius: 14px 0 0 14px; }
  .pc-cat:last-child { border-radius: 0 14px 14px 0; }
}

/* 2) 首页产品中心展示框：一行四张 × 最多两排（后台可勾选展示的二级分类） */
.pc-panel.on { grid-auto-rows: minmax(0, auto); }

/* ================= v5.3 ================= */

/* 2) 首页产品卡：悬停金色线条只沿边框流动半圈（单次，不循环），流动后定格在金色弧线 */
.pc-card::after {
  background: conic-gradient(from var(--pcAng),
    #ffefc0 0deg, #f6ce5f 14deg, rgba(218,165,32,.62) 54deg,
    rgba(218,165,32,.26) 108deg, rgba(218,165,32,.06) 150deg,
    rgba(218,165,32,0) 172deg, rgba(218,165,32,0) 360deg);
}
.pc-card:hover::after { opacity: 1; animation: pcAngHalf 1.05s cubic-bezier(.3,.7,.35,1) 1 both; }
@keyframes pcAngHalf { from { --pcAng: -180deg; } to { --pcAng: 0deg; } }
@media (prefers-reduced-motion: reduce) { .pc-card:hover::after { animation: none; } }

/* 3) 产品中心一级分类导航：左右延伸到容器两边，无底部/外部阴影，悬停不出现黄色边框 */
.pc-catnav {
  display: flex; flex-wrap: nowrap; justify-content: stretch; gap: 0;
  width: 100%; max-width: 100%;
  margin: 36px 0 14px; padding: 0;
  border: none; border-radius: 20px; overflow: hidden; box-shadow: none;
}
.pc-cat { flex: 1 1 0; min-width: 0; padding: 17px 16px 15px; text-align: center; }
.pc-cat:hover, .pc-cat.on:hover {
  background: linear-gradient(180deg, #6ba6e3 0%, #3f7fc6 100%);
  box-shadow: none; border-color: transparent; transform: none;
}
.pc-cat:hover b, .pc-cat.on:hover b { color: #fff; text-shadow: 0 1px 2px rgba(6,32,74,.35); }
.pc-cat:hover em, .pc-cat.on:hover em { color: rgba(255,255,255,.78); }
.pc-cat.on:hover { background: linear-gradient(180deg, #f8e3ac 0%, #e0ac31 100%); }
.pc-cat.on:hover b { color: #fff; }
.pc-cat.on:hover em { color: rgba(255,255,255,.88); }
@media (max-width: 820px) {
  .pc-catnav { flex-wrap: wrap; border-radius: 14px; }
  .pc-cat { flex: 1 1 42%; padding: 12px 12px 11px; }
}

/* 4) 产品中心二级分类图框：无边框线 + 蓝色阴影；悬停轻微放大 + 细金色描边；图片 7:6 自适应高度 */
.pc-subcard {
  border: none; border-radius: 14px; background: #fff;
  box-shadow: 0 10px 26px rgba(22,96,201,.16), 0 2px 6px rgba(11,61,143,.05);
  transition: transform .3s cubic-bezier(.22,.68,.36,1), box-shadow .3s;
}
.pc-subcard:hover {
  border: none; transform: scale(1.03) translateY(0);
  box-shadow: 0 0 0 1px var(--gold), 0 16px 34px rgba(22,96,201,.22);
}
.pc-subcard-img { height: auto; aspect-ratio: 7 / 6; }
.pc-subcard-img.img-wide { aspect-ratio: 7 / 6; }
.pc-subcard-b { padding: 18px 22px 20px; }
.pc-subcard-b p { display: none; }

/* ================= v5.4 ================= */

/* 1) 首页产品卡：悬停金色线条沿边框完整流动「一圈」后消失（单次，不再循环） */
.pc-card:hover::after {
  opacity: 1;
  animation: pcAngFull 1.15s cubic-bezier(.3,.62,.36,1) 1 both,
             pcLineOut .3s ease-out 1.0s 1 forwards;
}
@keyframes pcAngFull { from { --pcAng: -360deg; } to { --pcAng: 0deg; } }
@keyframes pcLineOut { from { opacity: 1; } to { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .pc-card:hover::after { animation: none; opacity: 0; } }

/* 2) 产品中心一级分类导航：未悬停时图标为白色；悬停段变白底、文字蓝色且不加粗 */
.pc-cat-ico { color: #fff; }
.pc-cat-ico img { filter: brightness(0) invert(1); transition: filter .25s; }
.pc-cat:hover .pc-cat-ico img, .pc-cat.on:hover .pc-cat-ico img { filter: none; }
.pc-cat:hover, .pc-cat.on:hover {
  background: #fff; box-shadow: none; border-color: transparent; transform: none;
}
.pc-cat:hover b, .pc-cat.on:hover b { color: var(--blue); font-weight: 400; text-shadow: none; }
.pc-cat:hover em, .pc-cat.on:hover em { color: #8aa2bd; }
.pc-cat:hover .pc-cat-ico, .pc-cat.on:hover .pc-cat-ico { color: var(--blue); }

/* ===== v5.5 快速咨询弹窗：45s 延迟弹出 + 「×」改「−」缩小为右下角小浮钮 ===== */
.lp-mask .lp-mini { display: none; position: fixed; right: 22px; bottom: 26px; z-index: 10000; align-items: center; gap: 8px; border: 0; cursor: pointer; padding: 10px 16px; border-radius: 999px; background: linear-gradient(135deg, var(--blue, #1660c9), #2b7bef); color: #fff; font-size: 14px; line-height: 1; box-shadow: 0 10px 26px rgba(22, 96, 201, .35); transition: transform .2s, box-shadow .2s; }
.lp-mask .lp-mini i { font-style: normal; font-size: 16px; width: 18px; height: 18px; border: 1px solid rgba(255, 255, 255, .75); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }
.lp-mask .lp-mini:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(22, 96, 201, .45), 0 0 0 2px var(--gold, #e3b34c); }
/* 缩小态：隐藏弹窗本体，只留小浮钮，且不再有遮罩背景 */
.lp-mask.min { background: transparent; pointer-events: none; }
.lp-mask.min .lp-box { display: none; }
.lp-mask.min .lp-mini { display: inline-flex; pointer-events: auto; }
.lp-close { font-size: 22px; width: 30px; height: 30px; line-height: 30px; text-align: center; border-radius: 6px; }
.lp-close:hover { background: #eef3fa; }

/* ===== v5.8/v5.9 解决方案页：搜索框 + 左侧一级分类列 + 右侧方案橱窗 ===== */
.solu-search { max-width: 720px; margin: 6px auto 10px; }
.solu-search form { display: flex; align-items: center; gap: 14px; background: #fff; border: 1px solid #dde6f0; border-radius: 999px; padding: 5px 6px 5px 26px; box-shadow: 0 8px 26px rgba(11, 61, 143, .08); transition: box-shadow .25s, border-color .25s; }
.solu-search form:focus-within { border-color: var(--gold); box-shadow: 0 10px 30px rgba(218, 165, 32, .18); } /* v5.9 聚焦金边 */
.solu-search input { flex: 1; height: 44px; border: none; outline: none; background: transparent; font-size: 15px; color: #2c3e50; }
.solu-search input::placeholder { color: #a6b4c8; }
.solu-search button { flex: 0 0 46px; width: 46px; height: 46px; border: none; border-radius: 50%; background: var(--blue); color: #fff; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; transition: background .25s, transform .2s; }
.solu-search button:hover { background: var(--gold); transform: scale(1.06); }
.solu-search-hint { text-align: center; font-size: 14px; color: #4a5b70; margin: 4px 0 16px; }
.solu-search-hint b { color: var(--blue); }
.solu-search-hint a { margin-left: 12px; color: #93a3b8; font-size: 13px; text-decoration: underline; }
.solu-search-hint a:hover { color: var(--gold); }
.solu-layout { display: flex; align-items: flex-start; gap: 40px; padding-bottom: 56px; }
/* v5.9 左侧分类列：简约大气（无面板、无计数，选中金色竖条） */
.solu-side { flex: 0 0 208px; position: sticky; top: 100px; }
.solu-side-item { display: block; padding: 15px 14px 15px 19px; font-size: 16px; line-height: 1.5; color: #2c3e50; border-left: 3px solid transparent; border-bottom: 1px solid #eceff4; transition: color .2s, border-color .2s, background .2s; }
.solu-side-item:last-child { border-bottom: none; }
.solu-side-item:hover { color: var(--gold); }
.solu-side-item.on { border-left-color: var(--gold); color: #143a66; font-weight: 600; background: linear-gradient(90deg, rgba(218, 165, 32, .07), transparent 70%); }
.solu-main { flex: 1; min-width: 0; }
.solu-main .solu-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1240px) { .solu-main .solu-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) {
  .solu-layout { flex-direction: column; gap: 18px; }
  .solu-side { position: static; flex: none; width: 100%; display: flex; flex-wrap: wrap; }
  .solu-side-item { border-left: none; flex: 1 1 40%; border-bottom: none; }
  .solu-side-item.on { border-left-color: transparent; border-bottom: 2px solid var(--gold); }
}
@media (max-width: 700px) { .solu-main .solu-grid { grid-template-columns: 1fr; } .solu-search form { padding-left: 18px; } }

/* ===== v5.11 方案卡改「上图下文」：深色文字在白色底栏，浅色图不再影响可读性 =====
   v5.14 收窄作用域：仅作用于「解决方案页」(.solu-page-grid)，首页大分类框保持国庆前版式 */
.solu-page-grid .solu-card { background: #fff; display: flex; flex-direction: column; }
.solu-page-grid .solu-mask { display: none; } /* 旧版压字渐变遮罩废弃 */
.solu-page-grid .solu-img {
  position: relative; left: auto; right: auto; top: auto; height: 60%;
  flex: 0 0 60%; display: block; overflow: hidden;
  background-size: cover; background-position: center; background-color: #dce8f6;
  transition: transform .6s cubic-bezier(.22,.68,.36,1);
}
.solu-page-grid .solu-card:hover .solu-img { transform: scale(1.05); } /* 悬停图片轻微放大（替换旧上拉） */
.solu-page-grid .solu-body {
  position: static; flex: 1; min-height: 0; display: flex; flex-direction: column;
  padding: 16px 18px 15px; color: #22374e; background: #fff; border-top: 1px solid #eef2f7;
}
.solu-page-grid .solu-body em, .solu-page-grid .solu-body h3,
.solu-page-grid .solu-body p, .solu-page-grid .solu-body .solu-more { display: block; transform: none; }
.solu-page-grid .solu-body em { font-size: 11px; letter-spacing: 1px; color: #9aabc0; opacity: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.solu-page-grid .solu-body h3 {
  font-size: 18px; font-weight: 600; margin-top: 5px; line-height: 1.4;
  transition: color .25s; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.solu-page-grid .solu-body p {
  font-size: 13px; color: #5a6b80; line-height: 1.65; margin-top: 7px; opacity: 1;
  max-height: none; overflow: hidden; transform: none;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.solu-page-grid .solu-more {
  margin-top: auto; padding-top: 9px; font-size: 12.5px; font-weight: 600;
  max-height: none; opacity: 1; overflow: visible; transform: none;
  transition: transform .25s;
}
.solu-page-grid .solu-card:hover { border-color: rgba(218,165,32,.55); box-shadow: 0 18px 40px rgba(20,40,80,.14); }
.solu-page-grid .solu-card:hover .solu-more { transform: translateX(3px); }
.solu-page-grid .solu-card:hover .solu-body p { margin-top: 7px; }
@media (prefers-reduced-motion: reduce) { .solu-page-grid .solu-img, .solu-page-grid .solu-body h3 { transition: none; } }

/* ---------- v5.13 导航「解决方案」下拉：二级菜单最多 10 条 + 底部「查看全部」 ---------- */
.mega-sol .mp-pane2 { padding: 16px 20px 14px; }
.mega-sol .mp-more {
  display: block; margin-top: 10px; padding: 10px 18px 2px;
  border-top: 1px solid var(--line); font-size: 13px; color: var(--blue);
}
.mega-sol .mp-more:hover { color: var(--gold); }

/* ---------- v5.14 首页方案框 / 解决方案页样式细化（两者相互独立） ---------- */
/* A. 首页「解决方案」大分类介绍框：沿用国庆前（v3.x/v54）版式——大图 + 暗色渐变遮罩 + 悬停描述上拉
      与方案页二级卡互不干扰（方案页样式全部作用域为 .solu-page-grid） */
.solu-card-home { background: var(--blue-deep); }
.solu-card-home .solu-mask { display: block; }
.solu-card-home .solu-body {
  position: absolute; left: 0; right: 0; bottom: 0; display: block;
  padding: 26px 26px 24px; color: #fff; background: transparent; border-top: none; flex: none;
}
.solu-card-home .solu-body h3 { font-size: 21px; font-weight: 500; color: #fff; min-height: 0; -webkit-line-clamp: 3; }
.solu-card-home .solu-body em { font-size: 11.5px; color: rgba(255,255,255,.70); white-space: normal; }
.solu-card-home .solu-body p { font-size: 13.5px; color: rgba(255,255,255,.86); }
.solu-card-home .solu-more { color: var(--gold-light); font-weight: 400; }
.solu-card-home:hover .solu-body h3 { color: #fff; }   /* 首页悬停不改标题色，与方案页独立 */
.solu-card-home::after { content: none; }              /* 首页不启用金线绕边动画 */

/* B. 解决方案页 1) 左侧大分类菜单：悬停文字蓝 #1660C9；选中竖条由金色改蓝 #0E48A2，保留渐变金色底 */
.solu-side-item:hover { color: #1660C9; }
.solu-side-item.on {
  border-left-color: #0E48A2;
  background: linear-gradient(90deg, rgba(218,165,32,.16) 0%, rgba(218,165,32,0) 74%);
}
@media (max-width: 900px) {
  .solu-side-item.on { border-left-color: transparent; border-bottom: 2px solid #0E48A2; }
}
/* 「了解方案 →」固定蓝色，悬停与不悬停同色 */
.solu-page-grid .solu-more,
.solu-page-grid .solu-card:hover .solu-more { color: #1660C9; }

/* C. 解决方案页 2) 二级方案介绍框：标题默认金色，悬停转蓝 #0E48A2 + 金色线条绕边框一圈后消失 */
.solu-page-grid .solu-body h3 { color: var(--gold); }
.solu-page-grid .solu-card:hover .solu-body h3 { color: #0E48A2; }
.solu-page-grid .solu-card::after {
  content: ""; position: absolute; inset: 0; z-index: 4;
  border-radius: inherit; padding: 2px; pointer-events: none; opacity: 0;
  background: conic-gradient(from var(--pcAng),
    rgba(218,165,32,0) 0deg, rgba(218,165,32,0) 200deg, rgba(218,165,32,.30) 262deg,
    #f3c94f 322deg, #ffe9ac 348deg, rgba(255,233,172,.50) 356deg, rgba(218,165,32,0) 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  transition: opacity .25s;
}
.solu-page-grid .solu-card:hover::after {
  opacity: 1;
  animation: pcAngFull 1.15s cubic-bezier(.3,.62,.36,1) 1 both,
             pcLineOut .3s ease-out 1.0s 1 forwards;
}
@media (prefers-reduced-motion: reduce) { .solu-page-grid .solu-card:hover::after { animation: none; opacity: 0; } }

/* D. 解决方案页 3) 标题一行/两行时，标题与描述的行距间隔保持不变 */
.solu-page-grid .solu-body h3 { min-height: 2.8em; }  /* 18px × 1.4 × 2 行，占位固定 */
.solu-page-grid .solu-body p { margin-top: 7px; }

/* E. v5.14 修正：v3.3 全局悬停阶梯上拉（em -10px / h3 -8px / p -4px、more margin-top:14px）
      权重高于 .solu-page-grid 基础规则，会在方案页悬停时让标题上跳，破坏「行距间隔不变」，此处同权重归零 */
.solu-page-grid .solu-card:hover .solu-body em,
.solu-page-grid .solu-card:hover .solu-body h3,
.solu-page-grid .solu-card:hover .solu-body p { transform: none; }
.solu-page-grid .solu-card:hover .solu-body .solu-more { margin-top: auto; }

/* ================= v5.15 关于我们（重写）：蓝金 VI、大留白、滚动入场 ================= */
.ab2-hero { position: relative; min-height: 430px; display: flex; align-items: center; overflow: hidden;
  background: linear-gradient(120deg, #062a56 0%, #0b3d8f 45%, #1660c9 100%); color: #fff; }
.ab2-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .30; }
.ab2-hero-mask { position: absolute; inset: 0;
  background: radial-gradient(120% 120% at 18% 8%, rgba(218,165,32,.18) 0%, rgba(218,165,32,0) 62%),
              linear-gradient(90deg, rgba(6,42,86,.93) 0%, rgba(11,61,143,.74) 55%, rgba(22,96,201,.52) 100%); }
.ab2-hero-in { position: relative; z-index: 2; padding: 104px 0 78px; text-align: center; }
.ab2-eyebrow { display: inline-block; font-size: 12.5px; letter-spacing: 4px; color: #f7ecc8;
  padding: 6px 18px; border: 1px solid rgba(218,165,32,.55); border-radius: 999px; }
.ab2-hero h1 { margin: 24px 0 16px; font-size: 42px; font-weight: 700; letter-spacing: 1px; line-height: 1.35; }
.ab2-hero-desc { max-width: 780px; margin: 0 auto; font-size: 16px; line-height: 2; color: rgba(255,255,255,.9); }
.ab2-hero-nav { margin-top: 36px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.ab2-hero-nav a { padding: 9px 18px; border-radius: 999px; font-size: 13.5px; color: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.09); transition: .25s; }
.ab2-hero-nav a:hover { background: var(--gold); border-color: var(--gold); color: #0b3d8f; }

.ab2-sec { padding: 78px 0; }
.ab2-sec[id] { scroll-margin-top: 96px; }
.ab2-head { margin-bottom: 40px; }
.ab2-head-center { text-align: center; }
.ab2-kicker { display: block; font-size: 12px; letter-spacing: 3.5px; color: var(--gold);
  font-weight: 600; margin-bottom: 10px; }
.ab2-kicker-gold { color: #f7ecc8; }
.ab2-head h2 { font-size: 30px; color: var(--blue-deep); font-weight: 600; letter-spacing: .5px; position: relative; }
.ab2-head-center h2::after { content: ""; display: block; width: 54px; height: 3px; margin: 14px auto 0;
  background: linear-gradient(90deg, var(--gold), rgba(218,165,32,.15)); border-radius: 2px; }
.ab2-head:not(.ab2-head-center) h2::after { content: ""; display: block; width: 54px; height: 3px; margin-top: 14px;
  background: linear-gradient(90deg, var(--gold), rgba(218,165,32,.15)); border-radius: 2px; }
.ab2-sub { margin-top: 14px; font-size: 15px; color: var(--text-light); line-height: 1.9; }
.ab2-head-center .ab2-sub { max-width: 720px; margin-left: auto; margin-right: auto; }
.ab2-note { font-size: 13px; color: #9aa7b8; }

/* 公司简介 */
.ab2-profile { background: #fff; }
.ab2-profile-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: start; }
.ab2-profile-txt p { font-size: 15.5px; line-height: 2.05; color: var(--text-light); margin-bottom: 16px; }
.ab2-lead { font-size: 25px !important; line-height: 1.7 !important; color: var(--blue-deep) !important;
  font-weight: 600; padding-left: 18px; border-left: 4px solid var(--gold); margin-bottom: 22px !important; }
.ab2-profile-img { position: relative; border-radius: var(--radius); overflow: hidden; }
.ab2-profile-img img { display: block; width: 100%; height: 380px; object-fit: cover; }
.ab2-profile-img::after { content: ""; position: absolute; inset: 18px -18px -18px 18px;
  border: 2px solid rgba(218,165,32,.55); border-radius: var(--radius); pointer-events: none; }
.ab2-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 52px; }
.ab2-stat { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 12px; text-align: center; overflow: hidden; }
.ab2-stat::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(218,165,32,.2)); }
.ab2-stat b { display: block; font-size: 34px; font-weight: 700; color: var(--blue-deep); line-height: 1.2; }
.ab2-stat-lb { font-size: 13.5px; color: var(--text-light); }

/* 业务版图 */
.ab2-caps { background: var(--bg-gray); }
.ab2-cap-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.ab2-cap { position: relative; display: block; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 22px 24px; overflow: hidden; transition: .3s; }
.ab2-cap::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--gold), rgba(218,165,32,.25)); transition: width .4s; }
.ab2-cap:hover { transform: translateY(-6px); box-shadow: 0 18px 36px rgba(11,61,143,.13); border-color: rgba(218,165,32,.45); }
.ab2-cap:hover::before { width: 100%; }
.ab2-cap-idx { display: block; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--gold); margin-bottom: 12px; }
.ab2-cap h3 { font-size: 18px; color: var(--blue-deep); font-weight: 600; margin-bottom: 10px; }
.ab2-cap p { font-size: 13.5px; line-height: 1.85; color: var(--text-light); min-height: 52px; }
.ab2-cap-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 16px; }
.ab2-cap-tags em { font-style: normal; font-size: 12px; color: #5a6b80; background: var(--blue-light);
  padding: 3px 9px; border-radius: 4px; }
.ab2-cap-more { font-size: 13px; color: var(--blue); font-weight: 600; }
.ab2-cap:hover .ab2-cap-more { color: var(--gold); }

/* 发展历程 */
.ab2-tl { background: #fff; }
.ab2-tl-wrap { position: relative; padding: 10px 0; }
.ab2-tl-line { position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; margin-left: -1px;
  background: linear-gradient(180deg, rgba(22,96,201,0) 0%, var(--blue) 12%, var(--gold) 88%, rgba(218,165,32,0) 100%); }
.ab2-tl-item { position: relative; width: 50%; padding: 0 46px 30px 0; }
.ab2-tl-item.right { margin-left: 50%; padding: 0 0 30px 46px; }
.ab2-tl-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: 0 6px 18px rgba(11,61,143,.06); transition: .3s; }
.ab2-tl-card:hover { box-shadow: 0 16px 34px rgba(11,61,143,.14); border-color: rgba(218,165,32,.45); }
.ab2-tl-year { display: inline-block; font-size: 19px; font-weight: 700; color: var(--gold); letter-spacing: 1px; }
.ab2-tl-card h3 { font-size: 16.5px; color: var(--blue-deep); font-weight: 600; margin: 8px 0 8px; }
.ab2-tl-card p { font-size: 13.5px; line-height: 1.9; color: var(--text-light); }
.ab2-tl-dot { position: absolute; top: 26px; right: -7px; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--gold); box-shadow: 0 0 0 5px rgba(218,165,32,.16); }
.ab2-tl-item.right .ab2-tl-dot { right: auto; left: -7px; }

/* 技术积累 */
.ab2-tech { background: var(--bg-gray); }
.ab2-kpi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.ab2-kpi-item { background: linear-gradient(160deg, #fff 0%, #f7fafe 100%); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 18px; text-align: center; }
.ab2-kpi-item b { display: block; font-size: 32px; font-weight: 700; color: var(--blue-deep); }
.ab2-kpi-item span { font-size: 13.5px; color: var(--text-light); }
.ab2-fields { list-style: none; margin: 30px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 32px; }
.ab2-fields li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--text-light); line-height: 1.9; }
.ab2-fields li::before { content: ""; position: absolute; left: 0; top: 9px; width: 12px; height: 8px;
  border-left: 2px solid var(--gold); border-bottom: 2px solid var(--gold); transform: rotate(-45deg); }

/* 全球化服务 */
.ab2-global { position: relative; background: linear-gradient(115deg, #062a56 0%, #0b3d8f 55%, #12509f 100%); color: #fff; overflow: hidden; }
.ab2-global-bg { position: absolute; inset: 0; opacity: .5;
  background: radial-gradient(70% 90% at 85% 20%, rgba(218,165,32,.20) 0%, rgba(218,165,32,0) 60%); }
.ab2-global-in { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 46px; align-items: center; }
.ab2-global-txt h2 { font-size: 30px; font-weight: 600; margin: 12px 0 16px; }
.ab2-global-txt > p { font-size: 15px; line-height: 2; color: rgba(255,255,255,.88); }
.ab2-gkpi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 34px; }
.ab2-gkpi-item { border-left: 2px solid rgba(218,165,32,.7); padding-left: 14px; }
.ab2-gkpi-item b { display: block; font-size: 26px; font-weight: 700; color: #f7ecc8; }
.ab2-gkpi-item span { font-size: 13px; color: rgba(255,255,255,.78); }
.ab2-global-img img { display: block; width: 100%; border-radius: var(--radius); box-shadow: 0 22px 48px rgba(0,0,0,.28); }

/* 企业文化 */
.ab2-culture { background: linear-gradient(180deg, #fff 0%, #f7fafd 100%); }
.ab2-culture .ab2-head h2 { color: var(--blue-deep); }
.ab2-mv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.ab2-mv-item { background: linear-gradient(135deg, #0b3d8f 0%, #1660c9 100%); color: #fff;
  border-radius: var(--radius); padding: 34px 34px 30px; box-shadow: 0 16px 34px rgba(11,61,143,.18); }
.ab2-mv-tag { display: inline-block; font-size: 12.5px; letter-spacing: 3px; color: #f7ecc8;
  border: 1px solid rgba(218,165,32,.6); border-radius: 999px; padding: 5px 14px; }
.ab2-mv-item p { margin-top: 16px; font-size: 20px; line-height: 1.8; font-weight: 500; }
.ab2-values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 22px; }
.ab2-value { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px;
  border-top: 3px solid var(--gold); transition: .3s; }
.ab2-value:hover { transform: translateY(-5px); box-shadow: 0 16px 32px rgba(11,61,143,.12); }
.ab2-value b { display: block; font-size: 17px; color: var(--blue-deep); margin-bottom: 10px; }
.ab2-value p { font-size: 13.5px; line-height: 1.9; color: var(--text-light); }
.ab2-slogan { margin-top: 46px; text-align: center; }
.ab2-slogan span { display: inline-block; font-size: 22px; font-weight: 600; letter-spacing: 2px;
  color: var(--blue-deep); padding: 18px 40px; border-top: 1px solid rgba(218,165,32,.5);
  border-bottom: 1px solid rgba(218,165,32,.5); }

/* 资质荣誉 */
.ab2-certs { background: var(--bg-gray); }
.ab2-cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.ab2-cert { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px 22px; transition: .3s; }
.ab2-cert:hover { transform: translateY(-5px); box-shadow: 0 16px 32px rgba(11,61,143,.12); border-color: rgba(218,165,32,.45); }
.ab2-cert-ico { display: block; width: 34px; height: 34px; margin-bottom: 14px; border-radius: 8px;
  background: linear-gradient(135deg, var(--gold) 0%, #f0c65c 100%); position: relative; }
.ab2-cert-ico::after { content: ""; position: absolute; left: 11px; top: 9px; width: 12px; height: 7px;
  border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg); }
.ab2-cert h3 { font-size: 15.5px; color: var(--blue-deep); font-weight: 600; margin-bottom: 8px; }
.ab2-cert p { font-size: 13px; line-height: 1.85; color: var(--text-light); }

/* 团队活动 */
.ab2-acts { background: #fff; }
.ab2-act-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ab2-act { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .3s; }
.ab2-act:hover { transform: translateY(-5px); box-shadow: 0 16px 32px rgba(11,61,143,.12); border-color: rgba(218,165,32,.45); }
.ab2-act-img { height: 186px; overflow: hidden; }
.ab2-act-img img { width: 100%; height: 100%; object-fit: cover; }
.ab2-act-img.no-img { display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0b3d8f 0%, #1660c9 55%, #d9a53a 160%); }
.ab2-act-img.no-img span { font-size: 46px; font-weight: 700; color: rgba(255,255,255,.9); }
.ab2-act-body { padding: 18px 22px 22px; }
.ab2-act-body i { font-style: normal; font-size: 12.5px; color: var(--gold); letter-spacing: 1px; }
.ab2-act-body h3 { font-size: 16.5px; color: var(--blue-deep); font-weight: 600; margin: 8px 0 8px; }
.ab2-act-body p { font-size: 13.5px; line-height: 1.9; color: var(--text-light); }

/* 行动区 */
.ab2-cta { padding: 74px 0; text-align: center; color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(120deg, #062a56 0%, #0b3d8f 50%, #1660c9 100%); }
.ab2-cta::before { content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 100% at 50% 0%, rgba(218,165,32,.22) 0%, rgba(218,165,32,0) 65%); }
.ab2-cta .container { position: relative; z-index: 2; }
.ab2-cta h2 { font-size: 28px; font-weight: 600; }
.ab2-cta p { margin-top: 14px; font-size: 15px; color: rgba(255,255,255,.86); }
.ab2-cta-btns { margin-top: 30px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.ab2-btn { padding: 13px 32px; border-radius: 999px; font-size: 15px; font-weight: 600; transition: .25s; }
.ab2-btn.primary { background: var(--gold); color: #0b3d8f; }
.ab2-btn.primary:hover { background: #f0c65c; transform: translateY(-2px); }
.ab2-btn.ghost { border: 1px solid rgba(255,255,255,.55); color: #fff; }
.ab2-btn.ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

/* 滚动入场（JS 加 .in） */
.ab2-cap, .ab2-tl-item, .ab2-value, .ab2-cert, .ab2-act, .ab2-stat, .ab2-kpi-item, .ab2-gkpi-item {
  opacity: 0; transform: translateY(26px); transition: opacity .6s cubic-bezier(.22,.68,.36,1),
  transform .6s cubic-bezier(.22,.68,.36,1); transition-delay: var(--d, 0ms); }
.ab2-cap.in, .ab2-tl-item.in, .ab2-value.in, .ab2-cert.in, .ab2-act.in,
.ab2-stat.in, .ab2-kpi-item.in, .ab2-gkpi-item.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .ab2-cap, .ab2-tl-item, .ab2-value, .ab2-cert, .ab2-act, .ab2-stat, .ab2-kpi-item, .ab2-gkpi-item {
    opacity: 1; transform: none; transition: none; }
}

/* 响应式 */
@media (max-width: 1200px) {
  .ab2-cap-grid { grid-template-columns: repeat(3, 1fr); }
  .ab2-cert-grid { grid-template-columns: repeat(2, 1fr); }
  .ab2-values { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .ab2-hero { min-height: 340px; }
  .ab2-hero h1 { font-size: 30px; }
  .ab2-hero-in { padding: 74px 0 56px; }
  .ab2-sec { padding: 56px 0; }
  .ab2-profile-grid, .ab2-global-in { grid-template-columns: 1fr; gap: 32px; }
  .ab2-profile-img img { height: 280px; }
  .ab2-profile-img::after { display: none; }
  .ab2-stats, .ab2-kpi, .ab2-gkpi { grid-template-columns: repeat(2, 1fr); }
  .ab2-cap-grid { grid-template-columns: repeat(2, 1fr); }
  .ab2-fields { grid-template-columns: 1fr; }
  .ab2-mv { grid-template-columns: 1fr; }
  .ab2-act-grid { grid-template-columns: 1fr; }
  .ab2-tl-line { left: 16px; }
  .ab2-tl-item, .ab2-tl-item.right { width: 100%; margin-left: 0; padding: 0 0 26px 44px; }
  .ab2-tl-dot, .ab2-tl-item.right .ab2-tl-dot { left: 9px; right: auto; }
  .ab2-head h2 { font-size: 24px; }
  .ab2-slogan span { font-size: 18px; padding: 14px 22px; }
}

/* ============================================================
   v5.16 关于我们改版（ab516 段）—— 追加于文件最末尾
   1 去英文标题(HTML 已删)  2 简介图/视频  3 删业务版图  4 时间轴倒序+竖拉条
   5 技术四图文框悬停弹出+数字递增  6 删全球化  7 使命愿景 3:4 图文框
   8 资质荣誉（主证书轮播 + 分组悬停弹出 + 横拉条）  9 活动轮播
   ============================================================ */

/* ---------- 2. 公司简介：视频封面 + 播放键 ---------- */
.ab2-video { position: relative; cursor: pointer; overflow: hidden; border-radius: 14px; }
.ab2-video img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s; }
.ab2-video:hover img { transform: scale(1.04); }
.ab2-play {
  position: absolute; left: 50%; top: 50%; width: 74px; height: 74px; margin: -37px 0 0 -37px;
  border-radius: 50%; background: rgba(201, 162, 39, .92); box-shadow: 0 6px 24px rgba(11, 61, 143, .35);
  display: flex; align-items: center; justify-content: center; transition: transform .3s, background .3s;
}
.ab2-play::after {
  content: ''; display: block; margin-left: 6px;
  border-left: 20px solid #fff; border-top: 12px solid transparent; border-bottom: 12px solid transparent;
}
.ab2-video:hover .ab2-play { transform: scale(1.1); background: #C9A227; }
/* 播放弹窗 */
.ab2-vmodal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; }
.ab2-vmodal[hidden] { display: none; }
.ab2-vmodal-mask { position: absolute; inset: 0; background: rgba(4, 18, 42, .82); }
.ab2-vmodal-body { position: relative; width: min(920px, 92vw); z-index: 1; }
.ab2-vmodal-body video { width: 100%; max-height: 80vh; display: block; border-radius: 10px; background: #000; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.ab2-vmodal-close {
  position: absolute; right: 0; top: -46px; width: 36px; height: 36px; border: none; cursor: pointer;
  background: none; color: #fff; font-size: 32px; line-height: 36px; opacity: .8;
}
.ab2-vmodal-close:hover { opacity: 1; }

/* ---------- 3. 发展历程：倒序 + 右侧自绘竖直拉条 ---------- */
.ab2-tl-box { position: relative; }
.ab2-tl-scroll {
  max-height: 620px; overflow-y: auto; padding: 6px 34px 10px 6px; position: relative;
  scrollbar-width: none; -ms-overflow-style: none;
}
.ab2-tl-scroll::-webkit-scrollbar { display: none; }
.ab2-tl-bar {
  position: absolute; right: 2px; top: 4px; bottom: 4px; width: 9px;
  background: #E8EDF5; border-radius: 5px; cursor: pointer;
}
.ab2-tl-thumb {
  position: absolute; left: 0; top: 0; width: 100%; height: 60px; border-radius: 5px;
  background: linear-gradient(180deg, #1660C9, #C9A227); cursor: grab;
  box-shadow: 0 1px 4px rgba(11, 61, 143, .3);
}
.ab2-tl-thumb.drag { cursor: grabbing; background: linear-gradient(180deg, #0E48A2, #B8860B); }
.ab2-tl-thumb:hover { background: linear-gradient(180deg, #0E48A2, #B8860B); }

/* ---------- 4. 技术积累：4 个图文框（悬停向上弹出文字与数字） ---------- */
.ab2-tc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.ab2-tc {
  position: relative; overflow: hidden; border-radius: 14px; background: #fff; cursor: pointer;
  box-shadow: 0 6px 22px rgba(17, 43, 86, .08);
  opacity: 0; transform: translateY(26px);
  transition: opacity .6s cubic-bezier(.22, .68, .36, 1) var(--d, 0ms), transform .6s cubic-bezier(.22, .68, .36, 1) var(--d, 0ms), box-shadow .3s;
}
.ab2-tc.in { opacity: 1; transform: none; }
.ab2-tc:hover { box-shadow: 0 14px 34px rgba(11, 61, 143, .18); }
.ab2-tc-img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; transition: transform .6s cubic-bezier(.22, .68, .36, 1); }
.ab2-tc:hover .ab2-tc-img img { transform: scale(1.07); }
.ab2-tc-pop {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 46px 20px 18px;
  background: linear-gradient(180deg, rgba(11, 61, 143, 0) 0%, rgba(9, 44, 104, .55) 30%, rgba(7, 34, 82, .95) 78%);
  transform: translateY(101%); transition: transform .45s cubic-bezier(.22, .68, .36, 1);
}
.ab2-tc:hover .ab2-tc-pop, .ab2-tc.pop .ab2-tc-pop { transform: translateY(0); }
.ab2-tc-pop b {
  display: block; font-size: 34px; line-height: 1.1; color: #F2C14E; letter-spacing: .5px;
}
.ab2-tc-pop .ab2-tc-lb { display: block; margin-top: 6px; font-size: 16px; font-weight: 600; color: #fff; }
.ab2-tc-pop p { margin-top: 8px; font-size: 13px; line-height: 1.7; color: #C9D6EC; }

/* ---------- 5. 企业文化：使命 / 愿景 3:4 图文框 ---------- */
.ab2-mv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 3fr)); max-width: 900px; margin: 0 auto; gap: 26px; }
.ab2-mv-card {
  position: relative; overflow: hidden; border-radius: 14px; aspect-ratio: 3 / 4; cursor: default;
  box-shadow: 0 8px 26px rgba(17, 43, 86, .12);
  opacity: 0; transform: translateY(26px);
  transition: opacity .6s cubic-bezier(.22, .68, .36, 1) var(--d, 0ms), transform .6s cubic-bezier(.22, .68, .36, 1) var(--d, 0ms), box-shadow .3s;
}
.ab2-mv-card.in { opacity: 1; transform: none; }
.ab2-mv-card:hover { box-shadow: 0 16px 40px rgba(11, 61, 143, .22); }
.ab2-mv-img { position: absolute; inset: 0; }
.ab2-mv-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .7s cubic-bezier(.22, .68, .36, 1); }
.ab2-mv-card:hover .ab2-mv-img img { transform: scale(1.06); }
.ab2-mv-mask {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 60px 24px 24px;
  background: linear-gradient(180deg, rgba(6, 28, 66, 0) 0%, rgba(6, 28, 66, .55) 34%, rgba(5, 22, 54, .94) 100%);
  transition: padding .4s;
}
.ab2-mv-tag {
  display: inline-block; padding: 5px 16px; border-radius: 999px; font-size: 15px; font-weight: 700;
  color: #0B3D8F; background: linear-gradient(90deg, #F2C14E, #C9A227); letter-spacing: 2px;
}
.ab2-mv-mask p {
  margin-top: 12px; font-size: 14px; line-height: 1.8; color: #E8EEF9;
  opacity: 0; transform: translateY(14px); transition: opacity .45s .08s, transform .45s .08s;
}
.ab2-mv-card:hover .ab2-mv-mask { padding-top: 34px; }
.ab2-mv-card:hover .ab2-mv-mask p { opacity: 1; transform: none; }

/* ---------- 6. 资质荣誉：主证书轮播 + 分组悬停弹出 ---------- */
.ab2-caro { position: relative; display: flex; align-items: center; gap: 14px; }
.ab2-caro-clip { flex: 1; overflow: hidden; border-radius: 6px; }
.ab2-caro-track { display: flex; transition: transform .55s cubic-bezier(.22, .68, .36, 1); }
#certCaro .ab2-caro-track > * { flex: 0 0 calc(25% - 18px); }
#actCaro .ab2-caro-track > * { flex: 0 0 33.3333%; }
.ab2-certcard { margin: 0 9px; background: #fff; border-radius: 10px; overflow: hidden; border: 1px solid #E7EBF3; box-shadow: 0 4px 16px rgba(17, 43, 86, .06); transition: transform .3s, box-shadow .3s; }
.ab2-certcard:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(11, 61, 143, .16); }
.ab2-certcard img { width: 100%; aspect-ratio: 1200 / 850; object-fit: cover; display: block; }
.ab2-certcard figcaption { padding: 10px 12px; font-size: 14px; font-weight: 600; color: #0B3D8F; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* 大开口 <> 极简箭头 */
.ab2-arrow { flex: 0 0 44px; width: 44px; height: 44px; border: none; background: none; cursor: pointer; padding: 0; position: relative; }
.ab2-arrow i { display: block; width: 20px; height: 20px; position: absolute; left: 50%; top: 50%; border-left: 3px solid #0B3D8F; border-bottom: 3px solid #0B3D8F; transform: translate(-30%, -50%) rotate(45deg); transition: border-color .25s, transform .25s; }
.ab2-arrow.next i { transform: translate(-70%, -50%) rotate(-135deg); }
.ab2-arrow:hover i { border-color: #C9A227; }
.ab2-arrow.prev:hover i { transform: translate(-36%, -50%) rotate(45deg); }
.ab2-arrow.next:hover i { transform: translate(-64%, -50%) rotate(-135deg); }
/* 分组文字框 */
.ab2-cgtabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 34px 0 0; }
.ab2-cgtag {
  position: relative; padding: 16px 14px; text-align: center; cursor: pointer; background: #fff;
  border: 1px solid #E3E8F1; border-radius: 10px; overflow: hidden; transition: border-color .3s, box-shadow .3s;
  opacity: 0; transform: translateY(20px);
  transition: opacity .5s cubic-bezier(.22,.68,.36,1) var(--d,0ms), transform .5s cubic-bezier(.22,.68,.36,1) var(--d,0ms), border-color .3s, box-shadow .3s;
}
.ab2-cgtag.in { opacity: 1; transform: none; }
.ab2-cgtag::before { content: ''; position: absolute; left: 0; top: 0; right: 0; height: 3px; background: linear-gradient(90deg, #1660C9, #C9A227); transform: scaleX(0); transition: transform .3s; }
.ab2-cgtag span { display: block; font-size: 16px; font-weight: 700; color: #16325C; transition: color .3s; }
.ab2-cgtag em { display: block; margin-top: 4px; font-style: normal; font-size: 12px; color: #93A1B8; }
.ab2-cgtag:hover, .ab2-cgtag.on { border-color: #C9A227; box-shadow: 0 8px 22px rgba(11, 61, 143, .12); }
.ab2-cgtag:hover::before, .ab2-cgtag.on::before { transform: scaleX(1); }
.ab2-cgtag:hover span, .ab2-cgtag.on span { color: #0B3D8F; }
.ab2-cgtag.on em { color: #B8860B; }
/* 分组证书面板：默认 6 个，超出横向长条拉动 */
.ab2-cgpanels { margin-top: 18px; }
.ab2-cgpanel { display: none; }
.ab2-cgpanel.on { display: block; }
.ab2-cgscroll {
  display: flex; gap: 14px; overflow-x: auto; padding: 4px 2px 14px;
  scrollbar-width: thin; scrollbar-color: #C9A227 #E8EDF5;
}
.ab2-cgscroll::-webkit-scrollbar { height: 9px; }
.ab2-cgscroll::-webkit-scrollbar-track { background: #E8EDF5; border-radius: 5px; }
.ab2-cgscroll::-webkit-scrollbar-thumb { background: linear-gradient(90deg, #1660C9, #C9A227); border-radius: 5px; }
.ab2-cgscroll::-webkit-scrollbar-thumb:hover { background: linear-gradient(90deg, #0E48A2, #B8860B); }
.ab2-cgitem { flex: 0 0 calc((100% - 70px) / 6); margin: 0; border-radius: 8px; overflow: hidden; border: 1px solid #E7EBF3; background: #fff; transition: transform .3s, box-shadow .3s; }
.ab2-cgitem:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(11, 61, 143, .16); }
.ab2-cgitem img { width: 100%; aspect-ratio: 1200 / 850; object-fit: cover; display: block; }

/* ---------- 7. 视频弹窗响应 ---------- */
@media (max-width: 900px) {
  .ab2-tc-grid { grid-template-columns: repeat(2, 1fr); }
  .ab2-mv-grid { grid-template-columns: 1fr; max-width: 420px; }
  .ab2-cgtabs { grid-template-columns: repeat(2, 1fr); }
  #certCaro .ab2-caro-track > * { flex: 0 0 calc(50% - 18px); }
  #actCaro .ab2-caro-track > * { flex: 0 0 50%; }
  .ab2-cgitem { flex: 0 0 calc((100% - 42px) / 4); }
}
@media (max-width: 640px) {
  .ab2-tc-grid { grid-template-columns: 1fr; }
  #certCaro .ab2-caro-track > * { flex: 0 0 calc(100% - 18px); }
  #actCaro .ab2-caro-track > * { flex: 0 0 100%; }
  .ab2-cgitem { flex: 0 0 calc((100% - 14px) / 2); }
  .ab2-tl-scroll { max-height: 480px; padding-right: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .ab2-tc, .ab2-mv-card, .ab2-cgtag { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   v5.17 关于我们调整（ab517 段）—— 追加于文件最末尾
   1 触控板式灰色 3D 拉条  2 技术 3:4  3 文化三框  4 A4 证书金边+放大
   5 活动间距  6 全站苹方字体层级
   ============================================================ */

/* ---------- 1. 时间轴：触控板式拉条（短轨道垂直居中，灰色 3D） ---------- */
.ab2-tl-bar {
  top: 50%; bottom: auto; transform: translateY(-50%);
  height: 176px; width: 8px; right: 5px;
  background: linear-gradient(180deg, #c9cfd9 0%, #eef1f6 18%, #f6f8fb 50%, #e4e9f0 82%, #c4cad5 100%);
  border: 1px solid #b9c0cc; border-radius: 5px;
  box-shadow: inset 1px 1px 2px rgba(255, 255, 255, .9), inset -1px -1px 3px rgba(96, 108, 128, .28), 0 1px 2px rgba(17, 43, 86, .08);
}
.ab2-tl-thumb {
  height: 54px; width: 100%; cursor: grab; border-radius: 4px;
  background: linear-gradient(180deg, #fdfefe 0%, #e8ecf2 30%, #cdd4de 70%, #b7bfcb 100%);
  border: 1px solid #a9b2c0;
  box-shadow: inset 1px 1px 1px rgba(255, 255, 255, .95), 0 2px 4px rgba(58, 70, 90, .35), 0 1px 1px rgba(58, 70, 90, .2);
}
.ab2-tl-thumb:hover, .ab2-tl-thumb.drag {
  background: linear-gradient(180deg, #ffffff 0%, #eef2f7 30%, #d8dee8 70%, #c2cad6 100%);
  cursor: grabbing;
}

/* ---------- 2. 技术图文框 3:4（宽度不变） ---------- */
.ab2-tc-img img { aspect-ratio: 3 / 4; }

/* ---------- 3. 企业文化：使命/价值/愿景 三框 ---------- */
.ab2-mv-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 1160px; }
@media (max-width: 900px) {
  .ab2-mv-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; max-width: none; }
  .ab2-mv-tag { font-size: 12px; padding: 4px 10px; }
  .ab2-mv-mask p { font-size: 12px; }
}
@media (max-width: 640px) {
  .ab2-mv-grid { grid-template-columns: 1fr; max-width: 420px; }
}

/* ---------- 4. 证书：A4 比例 + 主证书金色渐变边框 + 点击放大 ---------- */
.ab2-certcard {
  border: none; padding: 3px; border-radius: 12px;
  background: linear-gradient(135deg, #B8860B 0%, #F2C14E 28%, #C9A227 50%, #E9D6A0 74%, #B8860B 100%);
  box-shadow: 0 4px 16px rgba(184, 134, 11, .22);
}
.ab2-certcard:hover { box-shadow: 0 12px 28px rgba(184, 134, 11, .34); }
.ab2-certcard img { aspect-ratio: 1200 / 850; border-radius: 9px 9px 0 0; }
.ab2-certcard figcaption { border-radius: 0 0 9px 9px; background: #fff; }
.ab2-cgitem img { aspect-ratio: 850 / 1200; }
/* 放大弹窗 */
.ab2-pmodal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; }
.ab2-pmodal[hidden] { display: none; }
.ab2-pmodal-mask { position: absolute; inset: 0; background: rgba(4, 18, 42, .84); }
.ab2-pmodal-body { position: relative; z-index: 1; max-width: 94vw; max-height: 92vh; display: flex; align-items: center; justify-content: center; }
.ab2-pmodal-body img { max-width: 94vw; max-height: 90vh; width: auto; display: block; border-radius: 8px; box-shadow: 0 24px 70px rgba(0, 0, 0, .55); border: 6px solid #fff; }
.ab2-pmodal-close {
  position: absolute; right: -14px; top: -52px; width: 40px; height: 40px; border: none; cursor: pointer;
  background: none; color: #fff; font-size: 36px; line-height: 40px; opacity: .85;
}
.ab2-pmodal-close:hover { opacity: 1; }

/* ---------- 5. 团队活动：加大间距 + 4:3 图 ---------- */
#actCaro .ab2-caro-track { padding: 4px 0 6px; }
#actCaro .ab2-caro-track > * { flex: 0 0 calc(33.3333% - 28px); margin: 0 14px; }
.ab2-act-img { height: auto; }
.ab2-act-img img, .ab2-act-img.no-img { aspect-ratio: 4 / 3; }
@media (max-width: 900px) {
  #actCaro .ab2-caro-track > * { flex: 0 0 calc(50% - 28px); }
}
@media (max-width: 640px) {
  #actCaro .ab2-caro-track > * { flex: 0 0 calc(100% - 28px); }
  .ab2-tl-bar { height: 120px; }
  .ab2-tl-thumb { height: 40px; }
}

/* ---------- 6. 全站中文字体：苹方（回退微软雅黑）+ 层级粗细 ---------- */
body, button, input, select, textarea,
h1, h2, h3, h4, h5, h6, p, a, span, li, td, th, label, em, b, strong, i, div, figcaption, figcaption * {
  font-family: "PingFang SC", "苹方-简", "PingFangSC-Regular", "Microsoft YaHei", "微软雅黑", "Helvetica Neue", Arial, sans-serif;
}
h1, h2 { font-weight: 600; letter-spacing: .3px; }
h3, h4, h5, h6 { font-weight: 600; }
.ab2-hero h1 { font-weight: 700; }
.nav-list a, .drop-menu a, .nav-item a { font-weight: 500; }
.ab2-lead, .ab2-sub, .ab2-hero-desc, .ab2-mv-mask p, .ab2-tc-pop p { font-weight: 400; }
p, li, td, input, textarea, .ab2-tl-card p, .ab2-act-body p, .ab2-value p { font-weight: 400; line-height: 1.75; }
b, strong, th, .ab2-tl-year, .ab2-certcard figcaption { font-weight: 600; }

/* ============================================================
   v5.19 导航搜索修复（ab519 段）—— 追加于文件最末尾
   透明导航态（首页顶部）下：点击输入框(focus-within)后搜索框变白底，
   但放大镜图标 / 输入文字 / 占位符仍是白色 → 白底白字不可见。
   此处让 focus-within 态下图标与文字恢复深色。
   ============================================================ */
.main-nav.is-trans .nav-search:focus-within .nav-search-btn,
.main-nav.is-trans:hover .nav-search:focus-within .nav-search-btn,
.main-nav.is-trans.is-solid .nav-search:focus-within .nav-search-btn { color: var(--text); }
.main-nav.is-trans .nav-search:focus-within .nav-search-input,
.main-nav.is-trans:hover .nav-search:focus-within .nav-search-input,
.main-nav.is-trans.is-solid .nav-search:focus-within .nav-search-input { color: var(--text); }
.main-nav.is-trans .nav-search:focus-within .nav-search-input::placeholder,
.main-nav.is-trans:hover .nav-search:focus-within .nav-search-input::placeholder,
.main-nav.is-trans.is-solid .nav-search:focus-within .nav-search-input::placeholder { color: var(--text-light); }

/* ============================================================
   v5.20 页脚顶部金色条：删除内容与内边距，只保留 20px 金色渐变条
   ============================================================ */
.footer-strip {
  height: 20px; min-height: 20px; padding: 0; overflow: hidden;
  background: linear-gradient(100deg, #F2C14E 0%, #C9A227 38%, #B8860B 62%, #E9D6A0 88%, #C9A227 100%);
}
.footer-strip .container, .footer-strip .fm-row { display: none; }

/* ============================================================
   v5.21 产品中心页改版（ab521 段）—— 追加于文件最末尾
   1 菜单框紧贴横幅 + 全宽融合背景  2 菜单项悬停浅蓝细边框
   3 二级分类卡去数量/查看文案 + 标题下移 + 圆圈箭头 + 苹方细金字悬停
   ============================================================ */

/* ---------- 1. 菜单框：紧贴横幅、两侧延伸全屏、颜色与横幅融合 ---------- */
.pc-catnav-wrap {
  background: linear-gradient(180deg, #08224e 0%, #0d3a80 58%, #eef3fa 118%);
  padding: 20px 0 30px;
}
.pc-catnav { margin: 0; padding-bottom: 0; }
/* 面包屑已下调至菜单框下方，压缩其顶部间距 */
.page-crumb { padding: 18px 0 6px; }

/* ---------- 2. 菜单项悬停：浅蓝色细边框（平面化，去金框） ---------- */
.pc-cat:hover, .pc-cat.on:hover {
  transform: translateY(6px);
  background: #fff;
  border: 1px solid #9cc6f2;
  box-shadow: 0 6px 14px rgba(11, 61, 143, .10);
}
.pc-cat:hover b, .pc-cat.on:hover b { color: var(--blue-deep); text-shadow: none; }
.pc-cat:hover em, .pc-cat.on:hover em { color: var(--blue); }

/* ---------- 3. 二级分类卡：去数量角标与「查看产品→」，标题下移 + 圆圈箭头 ---------- */
.pc-subcard-num, .pc-subcard-go { display: none; }
.pc-subcard-b { padding: 26px 22px 22px; }
.pc-subcard-t { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pc-subcard-t b {
  font-family: "PingFang SC", "苹方-简", "PingFangSC-Light", "Microsoft YaHei", "微软雅黑", sans-serif;
  font-weight: 300; font-size: 19px; letter-spacing: .5px;
  color: var(--blue-deep); transition: color .25s;
}
.pc-subcard:hover .pc-subcard-t b { color: var(--gold); }
/* 标题末尾圆圈内右箭头 */
.pc-subcard-arr {
  flex: 0 0 32px; width: 32px; height: 32px; border-radius: 50%;
  border: 1.5px solid #c9d6e8; color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .25s, color .25s, transform .25s;
}
.pc-subcard:hover .pc-subcard-arr { border-color: var(--gold); color: var(--gold); transform: translateX(3px); }
/* 悬停：去掉金色描边与外发光，仅保留轻微放大 */
.pc-subcard:hover {
  border: none; transform: scale(1.03);
  box-shadow: 0 10px 26px rgba(22, 96, 201, .16), 0 2px 6px rgba(11, 61, 143, .05);
}
@media (max-width: 820px) {
  .pc-catnav-wrap { padding: 14px 0 20px; }
  .pc-subcard-t b { font-size: 17px; }
}

/* ============================================================
   v5.22 产品中心/详情页微调（ab522 段）—— 追加于文件最末尾
   1 一级菜单框直角 + 全屏背景 #0B3E90→#1660C9 左→右渐变 + 底部间距 0
   2 二级分类按钮无边框 + 整条菜单蓝色下边框连接 + 悬停金字
   3 三级产品列表 .pl-body 左移 100px
   4 详情页按钮直角 + 悬停（技术支持白底蓝字蓝框 / 申请样品白底金字金框）
   ============================================================ */

/* ---------- 1. 一级分类菜单框：直角 + 全屏渐变背景 + 底部间距 0 ---------- */
.pc-catnav-wrap {
  background: linear-gradient(90deg, #0B3E90 0%, #1660C9 100%);
  padding: 20px 0 0;
}
.pc-catnav {
  border-radius: 0;
  box-shadow: none;
  margin: 0;
}

/* ---------- 2. 二级分类按钮：无边框 + 蓝色下边框整条连接 + 悬停金字 ---------- */
.pc-subchips {
  gap: 0;
  border-bottom: 2px solid var(--blue);
  border-radius: 0;
  margin: 14px 0 26px;
}
.pc-subchips a {
  border: none; border-radius: 0;
  padding: 9px 24px;
}
.pc-subchips a:hover { border: none; background: transparent; color: var(--gold); }
.pc-subchips a.on { background: var(--blue); border: none; border-radius: 0; color: #fff; }
.pc-subchips a.on:hover { background: var(--blue); color: var(--gold); }

/* ---------- 3. 三级产品列表正文框整体左移 100px（窄屏回落防溢出） ---------- */
.pl-body { margin-left: -100px; }
@media (max-width: 1180px) { .pl-body { margin-left: 0; } }

/* ---------- 4. 详情页按钮：直角 + 悬停换色 ---------- */
.pdp-btn { border-radius: 0; }
.pdp-btn-main:hover {
  background: #fff; color: var(--blue); border-color: var(--blue);
  filter: none; box-shadow: 0 6px 16px rgba(22, 96, 201, .15);
}
.pdp-btn-gold:hover {
  background: #fff; color: var(--gold); border-color: var(--gold);
  filter: none; box-shadow: 0 6px 16px rgba(201, 153, 43, .15);
}

/* 窄屏：菜单框保持直角 */
@media (max-width: 900px) {
  .pc-catnav, .pc-cat:first-child, .pc-cat:last-child { border-radius: 0; }
}

/* ============================================================
   v5.23 关于我们改版（ab523 段）—— 追加于文件最末尾
   1 企业文化三框：3:4 改 4:3 + 铺满内容区（下方四个价值观框已删除）
   2 资质荣誉主证书：去金色边框 + 字体变大变细 + 悬停微微放大且文字变金
   3 分组标签：去掉数量「N 项」与顶部渐变条动效
   4 各板块：清新淡雅的不同背景色
   ============================================================ */

/* ---------- 1. 企业文化：三框 4:3 + 铺满内容区 ---------- */
.ab2-mv-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: none;
  gap: 24px;
}
.ab2-mv-card { aspect-ratio: 4 / 3; border-radius: 12px; }
.ab2-mv-mask { padding: 52px 24px 24px; }
.ab2-mv-tag { font-size: 14px; padding: 5px 16px; letter-spacing: 2px; }
.ab2-mv-mask p { font-size: 14px; line-height: 1.85; }
@media (max-width: 900px) {
  .ab2-mv-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  .ab2-mv-mask { padding: 34px 12px 14px; }
  .ab2-mv-tag { font-size: 12px; padding: 4px 10px; }
  .ab2-mv-mask p { font-size: 12px; }
}
@media (max-width: 640px) {
  .ab2-mv-grid { grid-template-columns: 1fr; max-width: 420px; }
}

/* ---------- 2. 资质荣誉主证书：去金边 + 字体变大变细 + 悬停放大且变金 ---------- */
#certCaro .ab2-caro-track { padding: 8px 0; }
.ab2-certcard {
  border: 1px solid #E7EBF3;
  padding: 0;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(17, 43, 86, .06);
  transition: transform .35s cubic-bezier(.22, .68, .36, 1), box-shadow .35s;
}
.ab2-certcard:hover {
  position: relative;
  z-index: 2;
  transform: scale(1.035);
  box-shadow: 0 14px 30px rgba(11, 61, 143, .14);
}
.ab2-certcard img { aspect-ratio: 1200 / 850; border-radius: 10px 10px 0 0; }
.ab2-certcard figcaption {
  padding: 14px 12px;
  font-family: "PingFang SC", "苹方-简", "PingFangSC-Light", "Microsoft YaHei", "微软雅黑", sans-serif;
  font-weight: 300;
  font-size: 18px;
  letter-spacing: .5px;
  color: #16325C;
  background: #fff;
  border-radius: 0 0 10px 10px;
  transition: color .3s;
}
.ab2-certcard:hover figcaption { color: var(--gold); }

/* ---------- 3. 分组标签：去掉数量与顶部渐变条动效 ---------- */
.ab2-cgtag em { display: none; }
.ab2-cgtag::before { display: none; }

/* ---------- 4. 各板块：清新淡雅的不同背景 ---------- */
.ab2-profile { background: #ffffff; }
.ab2-tl      { background: #f7fafd; }
.ab2-tech    { background: #f3f8f5; }
.ab2-culture { background: #fdfbf6; }
.ab2-certs   { background: #f5f8fc; }
.ab2-acts    { background: #faf8fb; }

/* ============================================================
   v5.24 企业文化三框重做（ab524 段）—— 追加于文件最末尾
   1 标题（使命/价值/愿景）：字号大于板块标题 h2(30px)、白色、无边框无底色
   2 标题垂直居中 + 水平靠左，三框同一水平线
   3 悬停：半透明纯蓝图层 + 标题变金并移向中间
   4 描述文字：放大到两倍（14px→28px）并向上弹出
   ============================================================ */

/* ---------- 1&2. 遮罩铺满 + 垂直居中 + 内容靠左 ---------- */
.ab2-mv-mask {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 30px 28px;
  background: linear-gradient(180deg, rgba(6, 28, 66, .10) 0%, rgba(6, 28, 66, .34) 52%, rgba(5, 22, 54, .70) 100%);
  transition: background .45s ease;
}

/* 标题：白字、无边框、无底色，字号 34px（大于板块标题 30px） */
.ab2-mv-tag {
  display: block;
  align-self: flex-start;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: none;
  font-family: "PingFang SC", "苹方-简", "PingFangSC-Light", "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 34px;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 3px;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(4, 18, 42, .55);
  transition: color .35s ease, margin-left .55s cubic-bezier(.22, .68, .36, 1);
}

/* 描述文字：默认隐藏于下方，悬停时上弹并放大到两倍 */
.ab2-mv-mask p {
  margin: 16px 0 0;
  font-family: "PingFang SC", "苹方-简", "PingFangSC-Light", "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 28px;
  font-weight: 300;
  line-height: 1.55;
  color: #EAF1FB;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .4s ease .06s, transform .5s cubic-bezier(.22, .68, .36, 1) .06s;
}

/* ---------- 3&4. 悬停 ---------- */
/* 半透明纯蓝图层 */
.ab2-mv-card:hover .ab2-mv-mask {
  padding: 30px 28px;
  background: rgba(11, 61, 143, .62);
}
/* 标题变金 + 向中间移动（margin-left 百分比相对容器宽，可平滑过渡） */
.ab2-mv-card:hover .ab2-mv-tag {
  color: var(--gold);
  margin-left: 38%;
}
/* 描述文字上弹显示 */
.ab2-mv-card:hover .ab2-mv-mask p {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 响应式：窄屏逐级缩小字号，防溢出 ---------- */
@media (max-width: 1100px) {
  .ab2-mv-mask { padding: 24px 20px; }
  .ab2-mv-card:hover .ab2-mv-mask { padding: 24px 20px; }
  .ab2-mv-tag { font-size: 27px; letter-spacing: 2px; }
  .ab2-mv-mask p { font-size: 21px; }
}
@media (max-width: 900px) {
  .ab2-mv-mask { padding: 18px 14px; }
  .ab2-mv-card:hover .ab2-mv-mask { padding: 18px 14px; }
  .ab2-mv-tag { font-size: 21px; letter-spacing: 1px; }
  .ab2-mv-mask p { font-size: 16px; line-height: 1.5; margin-top: 10px; }
  .ab2-mv-card:hover .ab2-mv-tag { margin-left: 30%; }
}
@media (max-width: 640px) {
  .ab2-mv-tag { font-size: 30px; letter-spacing: 2px; }
  .ab2-mv-mask p { font-size: 20px; }
  .ab2-mv-card:hover .ab2-mv-tag { margin-left: 34%; }
}

/* ============================================================
   v5.25 企业文化三框微调（ab525 段）—— 追加于文件最末尾
   1 标题字号 34px -> 40px（继续加大）
   2 描述文字字号改为原来的 3/5（28px -> 17px）
   3 标题与描述字体统一为苹方-细（PingFangSC-Light）
   ============================================================ */
.ab2-mv-tag {
  font-family: "PingFangSC-Light", "PingFang SC", "苹方-简", "HelveticaNeue-Light",
               "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 40px;
  font-weight: 300;
  letter-spacing: 3px;
}
.ab2-mv-mask p {
  font-family: "PingFangSC-Light", "PingFang SC", "苹方-简", "HelveticaNeue-Light",
               "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 17px;
  font-weight: 300;
  line-height: 1.75;
  margin-top: 14px;
}
@media (max-width: 1100px) {
  .ab2-mv-tag { font-size: 32px; letter-spacing: 2px; }
  .ab2-mv-mask p { font-size: 15px; }
}
@media (max-width: 900px) {
  .ab2-mv-tag { font-size: 25px; letter-spacing: 1px; }
  .ab2-mv-mask p { font-size: 14px; line-height: 1.6; }
}
@media (max-width: 640px) {
  .ab2-mv-tag { font-size: 34px; letter-spacing: 2px; }
  .ab2-mv-mask p { font-size: 16px; }
}

/* ============================================================
   v5.26 企业文化三框对齐（ab526 段）—— 追加于文件最末尾
   三段描述字数不同（44 / 60 / 42 字）导致行数不同，居中后标题会有偏差。
   给描述文字块固定最小高度（按最多 3 行计算），使三框内容总高一致，
   配合 justify-content: center，标题与描述的起始位置即可完全对齐到同一水平线。
   ============================================================ */
.ab2-mv-mask p { min-height: 90px; }
@media (max-width: 1100px) {
  .ab2-mv-mask p { min-height: 79px; }
}
@media (max-width: 900px) {
  .ab2-mv-mask p { min-height: 68px; }
}
@media (max-width: 640px) {
  .ab2-mv-mask p { min-height: 0; }
}

/* ============================================================
   v5.27 产品中心二级/详情页微调
   1 二级菜单悬停只改文字颜色，无滑动
   2 产品列表横框直角 + 悬停无位移动画
   3 产品图 180×180 直角，左边缘距横框左边框 35px
   4 详情页缩略图 5 张时与大图等宽对齐
   ============================================================ */

/* 1) 二级菜单悬停：只变金色，禁止任何 transform */
.pc-subchips a:hover { transform: none !important; color: var(--gold) !important; }

/* 2) 产品列表横框：直角、无悬停滑动 */
.pl-list .pl-row {
  border-radius: 0;
  padding-left: 35px;
  grid-template-columns: 180px 300px minmax(0, 1fr) 56px;
}
.pl-list .pl-row:hover { transform: none; }

/* 3) 产品图：180×180 直角，靠左对齐 */
.pl-img { width: 180px; height: 180px; border-radius: 0; justify-content: flex-start; }

@media (max-width: 1240px) {
  .pl-list .pl-row { grid-template-columns: 180px 180px minmax(0, 1fr) 56px; }
  .pl-img { width: 180px; height: 180px; }
}
@media (max-width: 900px) {
  .pl-list .pl-row { padding-left: 16px; }
  .pl-img { width: 140px; height: 140px; justify-content: center; }
}

/* 4) 详情页缩略图：5 张时占满大图宽度并对齐两端 */
.pdp-thumbs:has(.pdp-thumb:nth-child(5):last-child) { justify-content: space-between; }
.pdp-thumbs:has(.pdp-thumb:nth-child(5):last-child) .pdp-thumb {
  flex: 1 1 0;
  max-width: calc((100% - 48px) / 5);
}

/* ============================================================
   v5.28 解决方案列表卡片改版
   1 卡片 338×455，图片区域 338×338
   2 悬停图片稍微放大，去除投影/外发光
   3 只保留标题 + "了解方案→"，描述文字隐藏
   4 标题苹方-简 19px #0B3D8F，悬停金色
   5 "了解方案→" 15px，悬停颜色不变
   ============================================================ */
.solu-page-grid {
  grid-template-columns: repeat(3, 338px);
  gap: 22px;
}
.solu-page-grid .solu-card {
  width: 338px;
  height: 455px;
  border-radius: 0;
  box-shadow: none;
  background: #fff;
}
.solu-page-grid .solu-card:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--blue);
}
.solu-page-grid .solu-img {
  height: 338px;
  transition: transform .45s cubic-bezier(.22,.68,.36,1);
}
.solu-page-grid .solu-card:hover .solu-img { transform: scale(1.06); }
.solu-page-grid .solu-body {
  position: static;
  height: calc(455px - 338px);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #0B3D8F;
  background: #fff;
}
.solu-page-grid .solu-body h3 {
  font-family: "PingFangSC-Light", "PingFang SC", "苹方-简", "Microsoft YaHei", sans-serif;
  font-size: 19px;
  font-weight: 400;
  color: #0B3D8F;
  line-height: 1.4;
  margin: 0;
}
.solu-page-grid .solu-card:hover .solu-body h3 { color: var(--gold); }
.solu-page-grid .solu-body .solu-more {
  display: inline-block;
  font-size: 15px;
  color: var(--text-light);
  margin-top: 0;
  opacity: 1;
  transform: none;
  max-height: none;
}
.solu-page-grid .solu-card:hover .solu-more { color: var(--text-light); }
@media (max-width: 1100px) {
  .solu-page-grid { grid-template-columns: repeat(2, 338px); }
}
@media (max-width: 740px) {
  .solu-page-grid { grid-template-columns: 1fr; }
  .solu-page-grid .solu-card { width: 100%; height: auto; }
  .solu-page-grid .solu-img { height: 338px; }
  .solu-page-grid .solu-body { height: auto; min-height: 117px; }
}

/* ============================================================
   v5.29 解决方案详情页改版
   1 顶部全屏横幅 1920×530，标题居中下方
   2 取消面包屑导航
   3 方案正文区去边框/去圆角
   ============================================================ */
.solu-hero {
  position: relative;
  height: 530px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}
.solu-hero-mask {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,28,66,.72) 0%, rgba(6,28,66,.28) 45%, rgba(6,28,66,.10) 100%);
}
.solu-hero .container {
  position: relative; z-index: 2;
  width: 100%; padding-bottom: 56px;
  text-align: center;
}
.solu-hero h1 {
  font-family: "PingFangSC-Light", "PingFang SC", "苹方-简", "Microsoft YaHei", sans-serif;
  font-size: 42px; font-weight: 300; color: #fff;
  text-shadow: 0 2px 16px rgba(4,18,42,.55);
  margin: 0;
}
.solu-article {
  border: none; border-radius: 0;
  background: transparent; padding: 44px 0;
  margin-bottom: 0;
}
.solu-article .solu-cover { display: none; }

/* ============================================================
   v5.30 新闻资讯改版（ab530 段）—— 追加于文件最末尾
   1 分类菜单：直角扁平标签栏（与产品中心二级菜单一致）
   2 新闻列表单框高度 209px；日 30px 金色 / 年月 15px
   3 图片、标题、描述、分类、标签相应增大
   ============================================================ */

/* ---------- 1. 新闻分类菜单：直角 + 蓝色下边框整条连接 + 悬停金字 ---------- */
.news-cats {
  display: flex; flex-wrap: wrap;
  gap: 0;
  border-bottom: 2px solid var(--blue);
  border-radius: 0;
  margin: 22px 0 30px;
}
.news-cats a {
  border: none; border-radius: 0;
  padding: 10px 26px;
  font-size: 16px;
  color: var(--text-light);
  background: transparent;
  transition: color .2s ease, background .2s ease;
}
.news-cats a:hover { background: transparent; color: var(--gold); transform: none; }
.news-cats a.on { background: var(--blue); border: none; border-radius: 0; color: #fff; }
.news-cats a.on:hover { background: var(--blue); color: var(--gold); }

/* ---------- 2. 新闻列表：单框 209px 高 ---------- */
.news-row {
  height: 209px;
  gap: 28px;
  padding: 0 14px;
  align-items: center;
}
.news-row:hover { background: var(--bg-gray); }

/* ---------- 3. 日期：日 30px 金色 / 年月 15px ---------- */
.news-date { flex: 0 0 96px; text-align: center; }
.news-date b {
  display: block;
  font-size: 30px;
  font-weight: 400;
  color: var(--gold);
  line-height: 1.1;
}
.news-date span {
  display: block;
  font-size: 15px;
  color: var(--text-light);
  margin-top: 4px;
}

/* ---------- 4. 新闻图片放大 ---------- */
.news-thumb {
  flex: 0 0 210px; width: 210px; height: 140px;
  border-radius: 0;
  overflow: hidden;
  background: var(--bg-gray);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 5. 标题 / 描述 / 分类 / 标签增大 ---------- */
.news-brief { min-width: 0; flex: 1; }
.news-brief h3 {
  font-size: 21px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.45;
  margin: 0 0 12px;
}
.news-row:hover .news-brief h3 { color: var(--blue); }
.news-brief p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
  margin: 0 0 14px;
}
.news-row-meta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.news-cat-badge {
  font-size: 14px;
  color: var(--blue);
  background: var(--blue-light);
  border-radius: 0;
  padding: 4px 14px;
}
.news-tag { font-size: 14px; color: var(--text-light); }
.hot-badge { font-size: 13px; }

/* ---------- 窄屏回落 ---------- */
@media (max-width: 900px) {
  .news-row { height: auto; min-height: 209px; padding: 20px 10px; flex-wrap: wrap; gap: 16px; }
  .news-thumb { flex: 0 0 160px; width: 160px; height: 106px; }
  .news-brief h3 { font-size: 18px; }
}

/* ============================================================
   v5.31 方案卡片修正（ab531 段）—— 追加于文件最末尾
   1 方案图片严格 1:1（修掉 v5.14 的 flex: 0 0 60% 压过 height 的问题）
   2 取消首页叠放遗留的 scale(.92)，卡片恢复真实 338×455
   3 列宽恢复 338px（修掉 .solu-main .solu-grid 的 1fr 覆盖）
   4 方案标题整体下移
   ============================================================ */

/* ---------- 3. 列宽恢复 338px（需 ≥ (0,2,0) 才能压过 .solu-main .solu-grid） ---------- */
.solu-main .solu-page-grid { grid-template-columns: repeat(3, 338px); }
@media (max-width: 1240px) { .solu-main .solu-page-grid { grid-template-columns: repeat(2, 338px); } }
@media (max-width: 740px)  { .solu-main .solu-page-grid { grid-template-columns: 1fr; } }

/* ---------- 2. 取消首页遗留的 scale(.92)，恢复 338×455 实际尺寸 ---------- */
.solu-page-grid .solu-card {
  transform: none;
  will-change: auto;
}

/* ---------- 1. 方案图片严格 1:1：flex-basis 与 height 同时给，避免 flex 压过 height ---------- */
.solu-page-grid .solu-img {
  flex: 0 0 338px;
  height: 338px;
  width: calc(100% + 2px);   /* 抵消卡片左右各 1px 边框，视觉严格 338×338 */
  margin-left: -1px;
  aspect-ratio: auto;
}

/* ---------- 4. 方案标题下移：上内边距 18px → 26px ---------- */
.solu-page-grid .solu-body {
  flex: 1 1 auto;
  min-height: 0;
  height: auto;
  padding: 26px 20px 16px;
}
.solu-page-grid .solu-body h3 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-height: 53px;          /* 19px × 1.4 × 2 行 */
  margin: 0;
}
.solu-page-grid .solu-body .solu-more {
  display: block;
  line-height: 1.2;
  margin-top: 0;
  padding-top: 0;            /* 清掉 v5.14 遗留的 9px，否则内容溢出被卡片裁切 */
}

/* ---------- 窄屏：卡片自适应，图片仍保持 1:1 ---------- */
@media (max-width: 740px) {
  .solu-page-grid .solu-card { width: 100%; height: auto; }
  .solu-page-grid .solu-img { flex: 0 0 auto; width: 100%; margin-left: 0; height: auto; aspect-ratio: 1 / 1; }
  .solu-page-grid .solu-body { padding: 24px 20px 18px; }
}

/* ============================================================
   v5.32 方案卡片再调整（ab532 段）—— 追加于文件最末尾
   1 卡片 320×445px；方案图片 320×300px
   2 图片底部 → 方案标题 30px
   3 「了解方案」→ 与卡片底部边距 20px
   4 「了解方案」微软雅黑-细；"→" 改为圆圈内大开口「>」
   ============================================================ */

/* ---------- 1. 卡片 320×445 / 列宽 320 ---------- */
.solu-main .solu-page-grid { grid-template-columns: repeat(3, 320px); }
@media (max-width: 1240px) { .solu-main .solu-page-grid { grid-template-columns: repeat(2, 320px); } }
@media (max-width: 740px)  { .solu-main .solu-page-grid { grid-template-columns: 1fr; } }
.solu-page-grid .solu-card { width: 320px; height: 445px; }

/* ---------- 2. 方案图片 320×300（flex-basis 与 height 必须同时给） ---------- */
.solu-page-grid .solu-img {
  flex: 0 0 300px;
  height: 300px;
  width: calc(100% + 2px);   /* 抵消卡片左右 1px 边框 → 视觉 320 */
  margin-left: -1px;
}

/* ---------- 3. 图片底 → 标题 30px（body border-top 1px + padding-top 29px）
            了解方案 → 卡片底 20px ---------- */
.solu-page-grid .solu-body {
  flex: 1 1 auto;
  min-height: 0;
  padding: 29px 20px 19px;   /* 19 + 卡片 1px 下边框 = 距卡片底边 20px */
}

/* ---------- 4. 「了解方案」微软雅黑-细 + 圆圈内大开口「>」 ---------- */
.solu-page-grid .solu-body .solu-more {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: "Microsoft YaHei Light", "Microsoft YaHei", "微软雅黑", "MSYH", sans-serif;
  font-weight: 300;
  font-size: 15px;
  line-height: 1.2;
  margin-top: 0;
  padding-top: 0;
}
.solu-page-grid .solu-body .solu-more-ico {
  flex: 0 0 19px;
  width: 19px;
  height: 19px;
  color: inherit;
  display: block;
}

/* ---------- 窄屏回落 ---------- */
@media (max-width: 740px) {
  .solu-page-grid .solu-card { width: 100%; height: auto; }
  .solu-page-grid .solu-img { flex: 0 0 auto; width: 100%; margin-left: 0; height: 300px; }
  .solu-page-grid .solu-body { padding: 29px 20px 20px; }
}

/* ============================================================
   v5.33 首页 / 服务支持 / 联系我们调整（ab533 段）—— 追加于文件最末尾
   1 首页产品分类卡片标题框 pc-card-cap：渐变 → 纯蓝 #136cfd；查看详情箭头同色
   2 首页「了解方案」微软雅黑 + 圆圈内大开口「>」图标
   3 服务支持分类菜单：扁平直角标签栏（同新闻页样式）
   4 联系我们：去除总公司联系信息与在线留言区块边框
   ============================================================ */

/* ---------- 1. pc-card-cap 纯蓝 + 箭头 #136cfd ---------- */
.pc-card-cap {
  background: #136cfd;                       /* 覆盖 v5.1 的渐变条 */
}
.pc-card-cap b, .pc-card-cap em { color: #fff; }
.pc-card-go { color: #136cfd; }              /* 圆形图标内的箭头 */
.pc-card-go:hover { background: var(--gold); color: #fff; }

/* ---------- 2. 首页「了解方案」微软雅黑 + 圆圈大开口图标 ---------- */
.solu-card-home .solu-more {
  font-family: "Microsoft YaHei", "微软雅黑", "MSYH", "PingFang SC", sans-serif;
  font-weight: 400;
}
.solu-card-home .solu-more-ico {
  display: inline-block;
  width: 17px; height: 17px;
  margin-left: 6px;
  vertical-align: -3px;
  color: inherit;
}

/* ---------- 3. 服务支持分类菜单：扁平直角标签栏 ---------- */
.support-cats {
  display: flex; flex-wrap: wrap;
  gap: 0;
  border-bottom: 2px solid var(--blue);
  border-radius: 0;
  margin: 22px 0 30px;
}
.support-cats a {
  border: none; border-radius: 0;
  padding: 10px 26px;
  font-size: 16px;
  color: var(--text-light);
  background: transparent;
  transition: color .2s ease, background .2s ease;
}
.support-cats a:hover { background: transparent; color: var(--gold); transform: none; }
.support-cats a.on { background: var(--blue); border: none; border-radius: 0; color: #fff; }
.support-cats a.on:hover { background: var(--blue); color: var(--gold); }

/* ---------- 4. 联系我们：去除区块边框 ---------- */
.ct-hq, .ct-lead { border: none; }

/* v5.24 ab524 团体活动：卡片可点击 + 一排活动图片弹窗（左右 < > 滑动） */
.ab2-act.has-imgs { cursor: pointer; }
.ab2-act.has-imgs .ab2-act-img { position: relative; }
.ab2-act-num {
  position: absolute; right: 10px; bottom: 10px; padding: 3px 9px; border-radius: 12px;
  background: rgba(11, 61, 143, .72); color: #fff; font-style: normal; font-size: 12px; letter-spacing: .5px;
}
.ab2-amodal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; }
.ab2-amodal[hidden] { display: none; }
.ab2-amodal-mask { position: absolute; inset: 0; background: rgba(8, 20, 38, .74); }
.ab2-amodal-body {
  position: relative; z-index: 1; width: min(1120px, 92vw); max-height: 88vh; overflow: auto;
  background: #fff; border-radius: 12px; padding: 26px 30px 24px; box-shadow: 0 30px 80px rgba(8, 24, 48, .38);
}
.ab2-amodal-close {
  position: absolute; top: 12px; right: 14px; width: 34px; height: 34px; border: none; border-radius: 50%;
  background: #f1f5fa; color: #4a5b70; font-size: 22px; line-height: 1; cursor: pointer; transition: all .18s;
}
.ab2-amodal-close:hover { background: #1660c9; color: #fff; }
.ab2-amodal-head { border-bottom: 1px solid #eef2f7; padding-bottom: 12px; margin-bottom: 18px; }
.ab2-amodal-head h3 { font-size: 20px; font-weight: 600; color: #16304f; margin: 0; }
.ab2-amodal-head i { display: block; margin-top: 5px; font-style: normal; font-size: 13px; color: #8b9aad; }
.ab2-amodal-strip { display: flex; align-items: center; gap: 14px; }
.ab2-amodal-clip { flex: 1; overflow-x: auto; overflow-y: hidden; scroll-behavior: smooth; padding-bottom: 6px; }
.ab2-amodal-track { display: flex; gap: 14px; }
.ab2-aitem {
  flex: 0 0 auto; width: 240px; height: 170px; border-radius: 8px; overflow: hidden;
  background: #eef3f9; border: 1px solid #e5ecf4;
}
.ab2-aitem img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ab2-astrip-arrow {
  flex: 0 0 40px; width: 40px; height: 40px; border: 1px solid #dbe6f2; border-radius: 50%;
  background: #fff; cursor: pointer; position: relative; transition: all .18s;
}
.ab2-astrip-arrow:hover { border-color: #1660c9; background: #1660c9; }
.ab2-astrip-arrow i {
  position: absolute; left: 50%; top: 50%; width: 11px; height: 11px;
  border-left: 2.5px solid #1660c9; border-bottom: 2.5px solid #1660c9;
  transform: translate(-30%, -50%) rotate(45deg); transition: border-color .18s;
}
.ab2-astrip-arrow.next i { transform: translate(-70%, -50%) rotate(-135deg); }
.ab2-astrip-arrow:hover i { border-color: #fff; }
.ab2-amodal-foot { margin-top: 16px; border-top: 1px solid #eef2f7; padding-top: 14px; }
.ab2-amodal-count { font-size: 13px; color: #8b9aad; }
.ab2-amodal-text { margin: 8px 0 0; font-size: 14px; line-height: 1.85; color: #54677d; }
@media (max-width: 768px) {
  .ab2-amodal-body { padding: 20px 16px 18px; }
  .ab2-aitem { width: 190px; height: 134px; }
  .ab2-astrip-arrow { flex: 0 0 34px; width: 34px; height: 34px; }
}

/* ================= v5.27 站内搜索结果卡修复 =================
 * .search-result-item 是 <a>，之前缺 display:block —— 内联元素边框逐行分段、
 * 垂直 padding 不占位，导致卡片塌陷、条目之间文字重叠。 */
.search-result-item { display: block; }
.search-result-item h3 { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.search-result-item mark { background: var(--gold-light); color: var(--blue-deep); padding: 0 2px; border-radius: 2px; }
.search-empty { display: block; }