/* ============================================================
   泰州华热电气有限公司 - 内页专用样式（neiye.css）
   适用：关于我们 / 产品列表 / 产品详情 / 新闻列表 / 新闻详情 /
        图片列表 / 在线留言 / 联系我们
   说明：本文件仅包含内页板块样式，不含通用头部、底部样式
        （头部、底部、按钮等通用样式见 style.css）
   ============================================================ */

/* ============================================================
   内页 Banner / 面包屑
   ============================================================ */
.sub-hero { position: relative; height: 380px; display: flex; align-items: center; overflow: hidden; }
.sub-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.06); }
.sub-hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(7,31,61,.92) 0%, rgba(7,31,61,.55) 100%),
              linear-gradient(0deg, rgba(7,31,61,.55) 0%, transparent 55%);
}
.sub-hero-inner { position: relative; z-index: 2; color: #fff; padding-top: 30px; }
.sub-hero-inner h1 { font-size: 42px; font-weight: 900; margin-bottom: 14px; letter-spacing: 1px; }
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 15px; color: rgba(255,255,255,.7); }
.breadcrumb a { color: rgba(255,255,255,.72); transition: color .3s; }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb .sep { color: rgba(255,255,255,.4); }
.breadcrumb .current { color: var(--orange); }

.page-body { padding: 70px 0 96px; background: var(--bg); }
.page-body.plain { background: #fff; }

/* ---------- 侧栏 + 内容布局 ---------- */
.layout { display: grid; grid-template-columns: 290px 1fr; gap: 34px; align-items: start; }
.layout-single { max-width: 1080px; margin: 0 auto; }
.side-col { display: flex; flex-direction: column; gap: 26px; position: sticky; top: 92px; }
.side-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.side-box-title {
  padding: 16px 22px; font-size: 16px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  display: flex; align-items: center; gap: 8px;
}
.side-menu li a {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 13px 22px; font-size: 15px; color: var(--ink);
  border-top: 1px solid var(--line); transition: all .25s;
}
.side-menu li:first-child a { border-top: none; }
.side-menu li a i { color: var(--blue-600); transition: all .25s; font-size: 13px; }
.side-menu li a:hover, .side-menu li a.active { background: var(--blue-100); color: var(--blue-700); padding-left: 27px; }
.side-menu li a:hover i, .side-menu li a.active i { color: var(--orange); }
.side-box-body { padding: 22px; }

.side-contact { background: linear-gradient(160deg, var(--blue-800), var(--blue-900)); border: none; }
.side-contact .side-box-body { padding: 24px; }
.side-contact ul { display: flex; flex-direction: column; gap: 12px; font-size: 14px; color: rgba(255,255,255,.85); }
.side-contact ul li { display: flex; gap: 10px; align-items: flex-start; }
.side-contact ul li i { color: var(--orange); margin-top: 4px; }
.side-contact .btn { margin-top: 20px; width: 100%; }

.content-col { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; min-width: 0; }

/* ---------- 分页 ---------- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 46px; flex-wrap: wrap; }
.page-link {
  min-width: 42px; height: 42px; padding: 0 12px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 8px; font-size: 14.5px;
  color: var(--muted); background: #fff; transition: all .25s;
}
.page-link:hover { border-color: var(--blue-600); color: var(--blue-600); }
.page-link.active { background: var(--blue-700); border-color: var(--blue-700); color: #fff; }
.page-link.disabled { opacity: .45; pointer-events: none; }

/* ============================================================
   关于我们
   ============================================================ */
.block-title { font-size: 32px; font-weight: 900; color: var(--blue-800); margin-bottom: 22px; line-height: 1.4; }
.about-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-intro-grid img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }
.about-text p { margin-bottom: 16px; color: #42526a; line-height: 2.05; font-size: 15.5px; }

.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.culture-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 26px; text-align: center; transition: all .3s; }
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.culture-card .ci {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: #fff; background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
}
.culture-card h3 { font-size: 19px; font-weight: 800; color: var(--blue-800); margin-bottom: 10px; }
.culture-card p { font-size: 14px; color: var(--muted); line-height: 1.9; }

.stage-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.stage-list { position: relative; padding-left: 34px; }
.stage-list::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--blue-600), var(--orange)); }
.stage-item { position: relative; padding-bottom: 28px; }
.stage-item:last-child { padding-bottom: 0; }
.stage-item::before { content: ""; position: absolute; left: -30px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--blue-600); }
.stage-item h4 { font-size: 17px; font-weight: 800; color: var(--blue-800); margin-bottom: 6px; }
.stage-item p { font-size: 14.5px; color: var(--muted); line-height: 1.85; }

.workshop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.workshop-card { position: relative; border-radius: var(--radius); overflow: hidden; display: block; }
.workshop-card img { width: 100%; height: 280px; object-fit: cover; transition: transform .5s; }
.workshop-card:hover img { transform: scale(1.08); }
.workshop-card span { position: absolute; left: 0; right: 0; bottom: 0; padding: 42px 20px 14px; color: #fff; font-weight: 700; font-size: 15px; background: linear-gradient(0deg, rgba(7,31,61,.85), transparent); }

.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .3s; }
.honor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.honor-card img { aspect-ratio: 3 / 4; width: 100%; object-fit: cover; }
.honor-card p { padding: 14px; font-size: 14.5px; font-weight: 700; color: var(--blue-800); text-align: center; }

.cta-band { background: linear-gradient(135deg, var(--blue-700), var(--blue-900)); padding: 56px 0; text-align: center; color: #fff; }
.cta-band h2 { font-size: 30px; font-weight: 900; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.8); margin-bottom: 28px; font-size: 15.5px; }
.cta-band .btn + .btn { margin-left: 14px; }

/* ============================================================
   产品详情
   ============================================================ */
.detail-top { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; margin-bottom: 52px; }
.detail-top > * { min-width: 0; }
.detail-gallery { width: 100%; }
.detail-gallery .swiper { width: 100%; }
.detail-gallery .swiper-main { border-radius: 10px; overflow: hidden; aspect-ratio: 4 / 3; background: #f2f5f9; }
.detail-gallery .swiper-main img { width: 100%; height: 100%; object-fit: cover; }
.detail-thumbs { margin-top: 12px; overflow: hidden; }
.detail-thumbs .swiper-slide { width: 96px; height: 72px; border-radius: 8px; overflow: hidden; opacity: .6; cursor: pointer; }
.detail-thumbs .swiper-slide-thumb-active { opacity: 1; box-shadow: 0 0 0 2px var(--orange); }
.detail-thumbs .swiper-slide img { width: 100%; height: 100%; object-fit: cover; }

.detail-info h1 { font-size: 28px; font-weight: 900; color: var(--blue-800); margin-bottom: 14px; line-height: 1.4; }
.detail-summary { color: var(--muted); font-size: 15px; line-height: 1.9; margin-bottom: 20px; }
.detail-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.detail-features li { display: flex; gap: 10px; font-size: 14.5px; align-items: flex-start; }
.detail-features li i { color: var(--orange); margin-top: 5px; }
.detail-meta { border-top: 1px dashed var(--line); padding-top: 18px; display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: var(--muted); margin-bottom: 26px; }
.detail-meta div { display: flex; gap: 8px; align-items: flex-start; }
.detail-meta i { color: var(--blue-600); margin-top: 4px; }
.detail-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.tabs { border-top: 1px solid var(--line); }
.tab-nav { display: flex; gap: 4px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tab-btn { padding: 15px 30px; font-size: 16px; font-weight: 700; color: var(--muted); border-bottom: 3px solid transparent; margin-bottom: -1px; transition: all .25s; background: none; }
.tab-btn.active { color: var(--blue-700); border-bottom-color: var(--orange); }
.tab-pane { display: none; padding: 34px 2px 10px; }
.tab-pane.active { display: block; animation: fadeIn .35s ease; }
.tab-pane p { margin-bottom: 16px; color: var(--ink); line-height: 2; font-size: 15px; }
.tab-pane img { border-radius: 10px; margin: 18px 0; max-width: 100%; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); font-size: 14.5px; }
.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 12px 18px; text-align: left; }
.spec-table th { background: var(--blue-100); color: var(--blue-800); font-weight: 700; width: 26%; white-space: nowrap; }
.spec-table tr:nth-child(even) td { background: #fafbfd; }

.related { margin-top: 60px; }
.related h3 { font-size: 22px; font-weight: 900; color: var(--blue-800); margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
.related h3::before { content: ""; width: 5px; height: 22px; background: var(--orange); border-radius: 3px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.related-card { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; transition: all .3s; }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.related-card img { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; }
.related-card p { padding: 12px 14px; font-size: 14.5px; font-weight: 700; color: var(--blue-800); }

/* ============================================================
   新闻列表 / 详情
   ============================================================ */
.news-list { display: flex; flex-direction: column; gap: 28px; }
.news-item { display: grid; grid-template-columns: 240px 1fr; gap: 26px; padding-bottom: 28px; border-bottom: 1px dashed var(--line); }
.news-item:last-child { border-bottom: none; padding-bottom: 0; }
.news-item-thumb { position: relative; border-radius: 10px; overflow: hidden; aspect-ratio: 4 / 3; }
.news-item-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-item:hover .news-item-thumb img { transform: scale(1.07); }
.news-item-body h3 { font-size: 19px; font-weight: 800; color: var(--blue-800); margin-bottom: 10px; line-height: 1.5; transition: color .25s; }
.news-item:hover h3 { color: var(--blue-600); }
.news-item-body p { color: var(--muted); font-size: 14.5px; line-height: 1.9; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item-meta { display: flex; gap: 18px; font-size: 13.5px; color: #8a97a8; align-items: center; flex-wrap: wrap; }
.news-item-meta span { display: inline-flex; align-items: center; gap: 6px; }
.news-item-meta i { color: var(--blue-600); }
.news-item-more { margin-left: auto; color: var(--blue-600); font-weight: 700; font-size: 14px; display: inline-flex; gap: 6px; align-items: center; }
.news-item-more i { transition: transform .25s; }
.news-item-more:hover i { transform: translateX(4px); }

.article-head { text-align: center; margin-bottom: 30px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.article-head h1 { font-size: 30px; font-weight: 900; color: var(--blue-900); line-height: 1.5; margin-bottom: 18px; }
.article-meta { display: flex; justify-content: center; gap: 22px; font-size: 14px; color: #8a97a8; flex-wrap: wrap; }
.article-meta span { display: inline-flex; gap: 6px; align-items: center; }
.article-meta i { color: var(--blue-600); }
.article-body { font-size: 16px; line-height: 2.05; color: #334155; }
.article-body p { margin-bottom: 22px; text-indent: 2em; }
.article-body h2 { font-size: 22px; font-weight: 800; color: var(--blue-800); margin: 34px 0 18px; text-indent: 0; }
.article-body img { border-radius: 10px; margin: 26px auto; max-width: 100%; }
.article-tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 30px 0; }
.article-tags a { padding: 6px 16px; border-radius: 20px; background: var(--blue-100); color: var(--blue-700); font-size: 13.5px; }
.article-tags a:hover { background: var(--orange); color: #fff; }
.article-share { display: flex; align-items: center; gap: 10px; justify-content: center; margin: 24px 0; font-size: 14px; color: var(--muted); }
.article-share a { width: 38px; height: 38px; border-radius: 50%; background: var(--blue-100); color: var(--blue-700); display: flex; align-items: center; justify-content: center; transition: all .25s; }
.article-share a:hover { background: var(--orange); color: #fff; }
.article-nav { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); padding-top: 22px; font-size: 14.5px; flex-wrap: wrap; }
.article-nav a { color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
.article-nav a:hover { color: var(--blue-600); }

/* ============================================================
   图片列表（灯箱）
   ============================================================ */
.gallery-filter { display: flex; justify-content: center; gap: 10px; margin-bottom: 42px; flex-wrap: wrap; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gallery-item { position: relative; border-radius: 12px; overflow: hidden; display: block; }
.gallery-item img { width: 100%; height: 280px; object-fit: cover; transition: transform .6s; }
.gallery-item.tall img { height: 380px; }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-zoom { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(7,31,61,.5); opacity: 0; transition: opacity .3s; color: #fff; font-size: 30px; }
.gallery-item:hover .gallery-zoom { opacity: 1; }
.gallery-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 18px 14px; color: #fff; font-size: 15px; font-weight: 700; background: linear-gradient(0deg, rgba(7,31,61,.85), transparent); }

.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(3,10,22,.92); display: none; align-items: center; justify-content: center; padding: 40px; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 80vh; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.lightbox-close { position: absolute; top: 20px; right: 28px; color: #fff; font-size: 34px; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; }
.lightbox-caption { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; color: rgba(255,255,255,.8); font-size: 15px; }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); color: #fff; font-size: 32px; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: background .25s; }
.lightbox-nav:hover { background: rgba(255,255,255,.15); }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* ============================================================
   表单（在线留言）
   ============================================================ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 24px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 14.5px; font-weight: 700; color: var(--blue-800); }
.form-group label .req { color: #e54848; margin-left: 2px; }
.field { position: relative; display: flex; align-items: center; }
.field i { position: absolute; left: 14px; color: #9aa8ba; font-size: 16px; pointer-events: none; }
.form-control {
  width: 100%; border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px 12px 42px; font-size: 15px; font-family: inherit;
  color: var(--ink); background: #fbfcfe; outline: none; transition: all .25s;
}
.form-control.plain { padding-left: 14px; }
textarea.form-control { min-height: 150px; resize: vertical; }
select.form-control { appearance: none; }
.form-control:focus { border-color: var(--blue-600); background: #fff; box-shadow: 0 0 0 3px rgba(27,111,216,.12); }
.form-group.has-error .form-control { border-color: #e54848; background: #fff7f7; }
.form-error { font-size: 13px; color: #e54848; display: none; }
.form-group.has-error .form-error { display: block; }
.form-actions { display: flex; gap: 16px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.form-actions .btn { min-width: 150px; }
.form-note { font-size: 13.5px; color: #8a97a8; }

/* ============================================================
   联系我们
   ============================================================ */
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 50px; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 26px; text-align: center; transition: all .3s; }
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(27,111,216,.3); }
.contact-card .ci { width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--blue-100); color: var(--blue-700); font-size: 26px; transition: all .3s; }
.contact-card:hover .ci { background: var(--orange); color: #fff; }
.contact-card h3 { font-size: 17px; font-weight: 800; color: var(--blue-800); margin-bottom: 8px; }
.contact-card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }

.map-wrap { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); height: 460px; background: var(--blue-100); }
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-fallback { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: var(--blue-800); font-size: 16px; text-align: center; padding: 20px; }
.map-fallback i { font-size: 48px; color: var(--blue-600); }

.contact-cta {
  margin-top: 42px; background: linear-gradient(135deg, var(--blue-800), var(--blue-900));
  border-radius: var(--radius); padding: 42px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  color: #fff; flex-wrap: wrap;
}
.contact-cta h3 { font-size: 24px; font-weight: 900; margin-bottom: 6px; }
.contact-cta p { color: rgba(255,255,255,.75); font-size: 15px; }

/* ============================================================
   内页响应式
   ============================================================ */
@media (max-width: 1280px) {
  .main-nav a { padding: 10px 12px; font-size: 14.5px; }
  .culture-grid, .honor-grid, .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; }
  .side-col { position: static; }
  .detail-top { grid-template-columns: 1fr; gap: 30px; }
  .news-item { grid-template-columns: 1fr; gap: 16px; }
  .about-intro-grid, .stage-wrap { grid-template-columns: 1fr; gap: 32px; }
  .gallery-grid, .workshop-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .sub-hero { height: 300px; }
  .sub-hero-inner h1 { font-size: 30px; }
  .content-col { padding: 24px 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .article-head h1 { font-size: 23px; }
  .block-title { font-size: 26px; }
}
@media (max-width: 560px) {
  .culture-grid, .honor-grid, .contact-cards, .gallery-grid, .workshop-grid, .related-grid { grid-template-columns: 1fr; }
  .gallery-item img, .gallery-item.tall img { height: 260px; }
  .map-wrap { height: 340px; }
  .lightbox-nav { width: 44px; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}

/* ============================================================
   内页通用基础（变量 / 主体宽度 / 按钮 / 板块标题 / 滚动显现）
   说明：以下为内页内容区所需的通用基础样式，
        与 style.css 保持一致（头部、底部骨架样式仍在 style.css）
   ============================================================ */
:root {
  --blue-900: #071F3D;
  --blue-800: #0B3B6F;
  --blue-700: #0E4DA4;
  --blue-600: #1B6FD8;
  --blue-100: #EAF2FC;
  --orange: #FFA11E;
  --orange-dark: #F08A00;
  --ink: #1E2A3A;
  --muted: #5E6E82;
  --line: #E4EAF2;
  --bg: #F4F7FB;
  --white: #FFFFFF;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(7, 31, 61, .10);
  --shadow-lg: 0 18px 50px rgba(7, 31, 61, .18);
  --font: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

/* 主体宽度：1500px */
.container {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 30px;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .5px;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn i { font-size: 15px; transition: transform .3s ease; }
.btn:hover i { transform: translateX(4px); }
.btn-accent {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: #fff;
  box-shadow: 0 8px 24px rgba(240, 138, 0, .35);
}
.btn-accent:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(240, 138, 0, .45); }
.btn-line {
  border: 1px solid var(--blue-700);
  color: var(--blue-700);
  background: transparent;
}
.btn-line:hover { background: var(--blue-700); color: #fff; transform: translateY(-3px); }
.btn-sm { padding: 10px 22px; font-size: 15px; }

/* 板块标题（内页内容区通用） */
.section { padding: 96px 0; }
.ab_yx .section-head { max-width: 640px; margin-bottom: 52px; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 30px;
  background: var(--blue-100);
  color: var(--blue-700);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.ab_yx .section-head h2 {
  font-size: 40px;
  font-weight: 900;
  color: var(--blue-800);
  line-height: 1.25;
  position: relative;
  padding-bottom: 16px;
}
.ab_yx .section-head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--orange), var(--orange-dark));
}
.ab_yx .section-head p { margin-top: 16px; color: var(--muted); font-size: 16px; }

/* 滚动显现动画（内页卡片滑入） */
.reveal { opacity: 0; transform: translateY(46px); transition: opacity .8s ease, transform .8s ease; transition-delay: var(--d, 0s); will-change: opacity, transform; }
.reveal.left { transform: translateX(-60px); }
.reveal.right { transform: translateX(60px); }
.reveal.zoom { transform: scale(.9); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   产品卡片（产品列表页，首页同款）
   ============================================================ */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(27, 111, 216, .35); }
.product-media { position: relative; overflow: hidden; aspect-ratio: 4 / 3; }
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.product-card:hover .product-media img { transform: scale(1.08); }
.product-tag {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 2;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  box-shadow: 0 4px 12px rgba(11, 59, 111, .4);
}
.product-mask {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(7, 31, 61, .45);
  opacity: 0;
  transition: opacity .4s ease;
}
.product-card:hover .product-mask { opacity: 1; }
.btn-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  background: var(--orange);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  transform: translateY(16px);
  transition: transform .4s ease, background .3s ease;
}
.product-card:hover .btn-more { transform: translateY(0); }
.btn-more:hover { background: var(--orange-dark); }
.product-body { padding: 24px 26px 26px; }
.product-body h3 { font-size: 19px; font-weight: 800; color: var(--blue-800); margin-bottom: 10px; transition: color .3s ease; }
.product-card:hover .product-body h3 { color: var(--blue-600); }
.product-body p { font-size: 14.5px; color: var(--muted); line-height: 1.8; margin-bottom: 16px; }
.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--blue-600);
  transition: color .3s ease;
}
.product-link i { transition: transform .3s ease; }
.product-link:hover { color: var(--orange-dark); }
.product-link:hover i { transform: translateX(5px); }

/* 产品卡片在窄屏下的列数 */
@media (max-width: 1280px) { .product-grid { gap: 24px; } }
@media (max-width: 1024px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .product-grid { grid-template-columns: 1fr; } }

/* ============================================================
   分类筛选按钮（图片列表等）
   ============================================================ */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.filter-btn {
  padding: 9px 22px; border-radius: 30px; border: 1px solid var(--line);
  background: #fff; font-size: 14.5px; color: var(--muted); transition: all .25s;
}
.filter-btn:hover { border-color: var(--blue-600); color: var(--blue-600); }
.filter-btn.active { background: var(--blue-700); border-color: var(--blue-700); color: #fff; }


.pagination {
    display: inline-block;
    padding-left: 0;
    margin: 20px 0;
    border-radius: 4px; }
.pagination > li {
    display: inline; }
.pagination > li > a,
.pagination > li > span {
    position: relative;
    float: left;
    padding: 6px 12px;
    line-height: 1.42857;
    text-decoration: none;
    color: #337ab7;
    background-color: #fff;
    border: 1px solid #ddd;
    margin-left: -1px; }
.pagination > li:first-child > a,
.pagination > li:first-child > span {
    margin-left: 0;
    border-bottom-left-radius: 4px;
    border-top-left-radius: 4px; }
.pagination > li:last-child > a,
.pagination > li:last-child > span {
    border-bottom-right-radius: 4px;
    border-top-right-radius: 4px; }
.pagination > li > a:hover, .pagination > li > a:focus,
.pagination > li > span:hover,
.pagination > li > span:focus {
    z-index: 2;
    color: #23527c;
    background-color: #eeeeee;
    border-color: #ddd; }
.pagination > .active > a, .pagination > .active > a:hover, .pagination > .active > a:focus,
.pagination > .active > span,
.pagination > .active > span:hover,
.pagination > .active > span:focus {
    z-index: 3;
    color: #fff;
    background-color: #337ab7;
    border-color: #337ab7;
    cursor: default; }