/* 绿色生态风 —— 参考站点035（森林绿#259c64）。导航居左+顶部联系条… */
:root {
  --p: #259c64; --pd: #1e8555; --acc: #f97316;
  --tx: #1f2937; --txl: #6b7280; --bg: #f3faf4;
  --card: #ffffff; --card2: #f8fafc; --line: #e5e9f2; --white: #ffffff;
  --shadow: 0 4px 18px rgba(30,64,120,.08);
  --radius: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; color: var(--tx); background: var(--bg); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s; }
.container { width: min(1200px, 92%); margin: 0 auto; }

/* ===== 头部（Logo位置/导航排版差异由 h-* 类控制） ===== */
.topbar { background: var(--pd); color: rgba(255,255,255,.9); font-size: 12.5px; }
.topbar-inner { display: flex; justify-content: space-between; height: 34px; align-items: center; }
.topbar a { color: #fff; }
.site-header { background: var(--white); box-shadow: 0 2px 12px rgba(30,64,120,.07); position: sticky; top: 0; z-index: 100; }
  .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo strong { font-size: 22px; color: var(--p); }
.main-nav { flex: 1; }
.h-nav-left .main-nav { order: 0; }
.nav-toggle { display: none; }
.nav-list { display: flex; gap: 2px; list-style: none; justify-content: flex-end; }
.h-nav-left .nav-list { justify-content: flex-start; }
.h-nav-center .nav-list { justify-content: center; }
.nav-list > li { position: relative; }
.nav-list > li > a { display: block; padding: 24px 17px; font-size: 15.5px; font-weight: 600; color: var(--tx); }
.nav-list > li > a:hover, .nav-list > li > a.active { color: var(--p); box-shadow: inset 0 -3px 0 var(--p); }
.nav-sub { display: none; position: absolute; top: 100%; left: 0; background: var(--card); box-shadow: var(--shadow); list-style: none; min-width: 150px; border-radius: 0 0 8px 8px; z-index: 50; }
.nav-list > li:hover .nav-sub { display: block; }
.nav-sub a { display: block; padding: 11px 18px; font-size: 14px; white-space: nowrap; }
.nav-sub a:hover { background: var(--bg); color: var(--p); }
.header-tel { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.tel-icon { width: 38px; height: 38px; border-radius: 50%; background: var(--p); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.header-tel em { font-style: normal; font-weight: 800; color: var(--p); display: block; line-height: 1.2; }
.header-tel small { color: var(--txl); font-size: 12px; }
/* Logo 居中版式 */
.h-logo-center .header-band { padding: 18px 0; text-align: center; background: var(--white); border-bottom: 1px solid var(--line); }
.h-logo-center .header-nav-band { background: var(--white); box-shadow: 0 2px 10px rgba(30,64,120,.06); }
.h-logo-center .nav-band-inner { display: flex; align-items: center; justify-content: center; }
.h-logo-center .nav-list { justify-content: center; }
.h-logo-center .nav-list > li > a { padding: 14px 17px; }
.header-tel-mini { display: none; }

/* ===== Banner（通栏/卡片差异由 body.t-full / t-card 控制） ===== */
.banner { position: relative; height: 500px; overflow: hidden;  }
.banner-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity .8s; }
.banner-slide.active { opacity: 1; }
.banner-slide::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,25,53,.62), rgba(8,25,53,.18));  }
.banner-caption { position: relative; height: 100%; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; color: #fff; }
.banner-caption h2 { font-size: 38px; font-weight: 800; letter-spacing: 1px; text-shadow: 0 2px 12px rgba(0,0,0,.35); }
.banner-caption p { font-size: 18px; margin: 14px 0 28px; color: rgba(255,255,255,.92); }
.banner-dots { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 5; }
.banner-dots .dot { width: 34px; height: 5px; border: 0; border-radius: 3px; background: rgba(255,255,255,.45); cursor: pointer; }
.banner-dots .dot.active { background: var(--acc); }

/* ===== 按钮 ===== */
.btn-primary { display: inline-block; background: var(--p); color: #fff; padding: 12px 30px; border-radius: 6px; font-size: 15px; font-weight: 600; border: 0; cursor: pointer; }
.btn-primary:hover { background: var(--pd); color: #fff; }
.btn-ghost { display: inline-block; border: 1.5px solid var(--p); color: var(--p); padding: 10px 26px; border-radius: 6px; font-size: 14px; background: transparent; cursor: pointer; }
.btn-ghost:hover { background: var(--p); color: #fff; }
.btn-block { width: 100%; }

/* ===== 通用区块 ===== */
.section { padding: 64px 0; }
.section:nth-of-type(even) { background: var(--white); }
.sec-head { text-align: center; margin-bottom: 44px; }
.sec-head h2 { font-size: 30px; font-weight: 800; }
.sec-head span { display: block; font-size: 13px; color: var(--txl); letter-spacing: 4px; text-transform: uppercase; margin-top: 4px; }
.sec-head i { display: block; width: 56px; height: 3px; background: var(--acc); margin: 14px auto 0; border-radius: 2px; }
.intro-split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px; align-items: center; max-width: 1080px; margin: 0 auto; }
.intro-img img { border-radius: 12px; width: 100%; box-shadow: var(--shadow); }
.intro-body h3 { font-size: 21px; margin-bottom: 12px; }
.intro-body .intro-text { font-size: 15px; color: var(--txl); line-height: 2; margin-bottom: 24px; }
.biz-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.biz-card { display: flex; align-items: center; gap: 20px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s; }
.biz-card:hover { transform: translateY(-5px); box-shadow: 0 12px 28px rgba(30,64,120,.13); }
.biz-icon { width: 66px; height: 66px; border-radius: 16px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.biz-icon svg { width: 36px; height: 36px; }
.biz-icon.ic-0 { background: linear-gradient(135deg, var(--p), var(--pd)); }
.biz-icon.ic-1 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.biz-icon.ic-2 { background: linear-gradient(135deg, #10b981, #059669); }
.biz-icon.ic-3 { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.biz-text h3 { font-size: 17px; margin-bottom: 6px; }
.biz-text p { font-size: 13px; color: var(--txl); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 产品/案例卡片（列数由 body.t-cols-* 控制） */
.prod-grid { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
body.t-cols-2 .prod-grid { grid-template-columns: repeat(2, 1fr); }
body.t-cols-4 .prod-grid { grid-template-columns: repeat(4, 1fr); }
.prod-grid-list { grid-template-columns: repeat(3, 1fr); }
body.t-cols-2 .prod-grid-list { grid-template-columns: repeat(2, 1fr); }
body.t-cols-4 .prod-grid-list { grid-template-columns: repeat(4, 1fr); }
.related-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)) !important; }
.prod-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .25s; }
.prod-card:hover { transform: translateY(-6px); }
.prod-img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg); }
.prod-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.prod-card:hover .prod-img img { transform: scale(1.05); }
.prod-info { padding: 18px; }
.prod-info h3 { font-size: 16.5px; margin-bottom: 6px; }
.prod-info p { font-size: 13px; color: var(--txl); min-height: 38px; }
.prod-price { display: inline-block; margin-top: 10px; color: #d4380d; font-weight: 700; }
.prod-region { display: block; margin-top: 8px; font-size: 12.5px; color: var(--p); }
.sec-more { text-align: center; margin-top: 34px; }
.sec-more a { color: var(--p); font-weight: 600; }
.case-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.case-card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .25s; }
.case-card:hover { transform: translateY(-6px); }
.case-img { aspect-ratio: 16 / 9; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; }
.case-info { padding: 18px; }
.case-region { font-size: 12.5px; color: var(--p); font-weight: 600; }
.case-info h3 { font-size: 16px; margin: 6px 0; }
.case-info p { font-size: 13px; color: var(--txl); }
.case-client { display: block; margin-top: 10px; font-size: 12.5px; color: var(--txl); }

/* 首页产品 2x4、案例 4 列 */
.sec-products .prod-grid { grid-template-columns: repeat(4, 1fr); }
.sec-cases .case-grid { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1100px) { .sec-products .prod-grid, .sec-cases .case-grid { grid-template-columns: repeat(2, 1fr); } }
/* 首页新闻 */
.news-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 30px; }
.news-feature { display: block; border-radius: var(--radius); overflow: hidden; position: relative; box-shadow: var(--shadow); }
.news-feature img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.news-feature-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 40px 24px 20px; background: linear-gradient(transparent, rgba(0,0,0,.78)); color: #fff; }
.news-feature-info h3 { font-size: 19px; margin-bottom: 8px; }
.news-feature-info p { font-size: 13.5px; color: rgba(255,255,255,.85); }
.news-feature-info time { font-size: 12.5px; color: rgba(255,255,255,.7); }
.news-list-side { list-style: none; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 20px; }
.news-list-side li { border-bottom: 1px dashed var(--line); }
.news-list-side li:last-child { border-bottom: 0; }
.news-list-side a { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 8.5px 0; font-size: 13px; }
.news-list-side a:hover .news-title { color: var(--p); }
.news-list-side .news-title { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-list-side time { flex-shrink: 0; font-size: 12px; color: var(--txl); }

/* 服务保障 */
.svc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.svc-item { background: var(--card2); border-radius: var(--radius); padding: 30px 26px; position: relative; overflow: hidden; }
.svc-item span { font-size: 40px; font-weight: 800; color: rgba(37,99,184,.12); position: absolute; top: 10px; right: 18px; }
.svc-item h3 { font-size: 17px; margin-bottom: 8px; color: var(--p); }
.svc-item p { font-size: 13.5px; color: var(--txl); }

/* ===== 内页 ===== */
.page-banner { background: linear-gradient(120deg, var(--pd), var(--p) 60%, #259c64cc); color: #fff; padding: 52px 0; text-align: center; }
.page-banner h1 { font-size: 32px; font-weight: 800; }
.page-banner p { margin-top: 8px; color: rgba(255,255,255,.85); font-size: 14.5px; }
.page-banner.slim { padding: 34px 0; }
.page-banner.slim h1 { font-size: 24px; }
.page-body { display: grid; grid-template-columns: 260px 1fr; gap: 30px; padding: 40px 0 60px; align-items: start; }
.page-body > .page-content:only-child { grid-column: 1 / -1; }
.page-sidebar { background: var(--white); border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; position: sticky; top: 90px; }
.page-sidebar h3 { background: var(--p); color: #fff; padding: 16px 22px; font-size: 17px; }
.page-sidebar ul { list-style: none; padding: 8px 0; }
.page-sidebar ul a { display: block; padding: 12px 22px; font-size: 14.5px; border-left: 3px solid transparent; }
.page-sidebar ul a:hover, .page-sidebar ul a.active { color: var(--p); background: var(--bg); border-left-color: var(--p); font-weight: 600; }
.page-sidebar ul a.sub { font-size: 13.5px; }
.page-sidebar ul a.sub::before { content: "·"; margin-right: 6px; color: var(--txl); }
.side-contact { border-top: 1px solid var(--line); padding: 18px 22px; }
.side-contact h4 { font-size: 14px; color: var(--txl); margin-bottom: 6px; }
.side-tel { font-size: 22px; font-weight: 800; color: var(--p); }
.page-content { background: var(--white); border-radius: var(--radius); border: 1px solid var(--line); padding: 30px; min-width: 0; }
.breadcrumb { font-size: 13px; color: var(--txl); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--p); }
.crumb-sep { margin: 0 8px; }
.crumb-cur { color: var(--p); }
.content-title { font-size: 26px; margin-bottom: 20px; line-height: 1.4; }
.rich-text p { margin-bottom: 14px; }
.rich-text h2 { font-size: 20px; margin: 26px 0 12px; padding-left: 12px; border-left: 4px solid var(--p); }
.rich-text h3 { font-size: 17px; margin: 20px 0 10px; }
.rich-text img { border-radius: 8px; margin: 14px 0; }
.rich-text em { font-style: normal; color: var(--p); font-weight: 600; }
.geo-box { margin-top: 30px; background: #eef4fd; border: 1px dashed #b6ccf0; border-radius: 8px; padding: 16px 20px; font-size: 13.5px; color: var(--txl); }
.geo-box strong { color: var(--p); }
.geo-box a { color: var(--p); text-decoration: underline; }
.search-bar { display: flex; margin-bottom: 24px; max-width: 480px; }
.search-bar input { flex: 1; border: 1px solid var(--line); border-right: 0; border-radius: 6px 0 0 6px; padding: 11px 16px; font-size: 14px; outline: none; background: var(--card2); color: var(--tx); }
.search-bar button { background: var(--p); color: #fff; border: 0; padding: 0 26px; border-radius: 0 6px 6px 0; cursor: pointer; }
.search-bar.inline { max-width: 280px; margin: 0; }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 36px; }
.pagination a { min-width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; background: var(--white); padding: 0 6px; }
.pagination a.cur, .pagination a:hover { background: var(--p); color: #fff; border-color: var(--p); }
.detail-head { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 28px; }
.detail-img img { border-radius: 10px; width: 100%; }
.detail-info h1 { font-size: 26px; margin-bottom: 10px; }
.detail-subtitle { color: var(--txl); margin-bottom: 14px; }
.detail-price strong { color: #d4380d; font-size: 22px; }
.detail-region { color: var(--p); font-size: 14px; margin-bottom: 20px; }
.detail-actions { display: flex; gap: 12px; }
.param-table { width: 100%; border-collapse: collapse; }
.param-table th, .param-table td { border: 1px solid var(--line); padding: 11px 16px; font-size: 14px; text-align: left; }
.param-table th { width: 110px; background: var(--card2); color: var(--txl); }
.detail-block { margin-top: 34px; }
.detail-block h2 { font-size: 20px; margin-bottom: 16px; padding-left: 12px; border-left: 4px solid var(--p); }
.detail-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.detail-gallery img { border-radius: 8px; aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.detail-nav { display: flex; justify-content: space-between; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); align-items: center; }
.detail-meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 24px; }
.dm-item { background: var(--card2); border-radius: 8px; padding: 14px 18px; }
.dm-item span { display: block; font-size: 12.5px; color: var(--txl); }
.news-tabs { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-bottom: 26px; border-bottom: 2px solid var(--line); padding-bottom: 14px; }
.news-tabs a { padding: 8px 18px; border-radius: 6px; font-size: 14.5px; }
.news-tabs a.active { background: var(--p); color: #fff; }
.news-tabs .search-bar { margin-left: auto; }
.news-body-grid { display: grid; grid-template-columns: 1fr 250px; gap: 26px; }
.news-list-main { list-style: none; }
.news-item { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.news-cover { width: 200px; flex-shrink: 0; border-radius: 8px; overflow: hidden; }
.news-cover img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.news-item-body { min-width: 0; }
.news-title { font-size: 17px; font-weight: 700; display: block; }
.news-title:hover { color: var(--p); }
.news-summary { font-size: 13.5px; color: var(--txl); margin: 8px 0; }
.news-item-meta { display: flex; gap: 16px; font-size: 12.5px; color: var(--txl); }
.news-side { background: var(--card2); border-radius: 10px; padding: 20px; height: fit-content; }
.news-side h3 { font-size: 16px; margin-bottom: 12px; padding-left: 10px; border-left: 3px solid var(--acc); }
.news-side ul { list-style: none; }
.news-side li { padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; }
.news-side li a:hover { color: var(--p); }
.news-meta { display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--txl); padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.news-meta a { color: var(--p); }
.pn-nav { display: flex; flex-direction: column; gap: 8px; margin-top: 26px; font-size: 14px; }
.pn-nav a:hover { color: var(--p); }
.related-news { list-style: none; }
.related-news li { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.related-news li a:hover { color: var(--p); }
.related-news time { color: var(--txl); font-size: 12.5px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--white); }
.faq-q { width: 100%; text-align: left; padding: 16px 20px; font-size: 15.5px; font-weight: 600; background: var(--white); color: var(--tx); border: 0; cursor: pointer; display: flex; justify-content: space-between; gap: 12px; }
.faq-q::after { content: "＋"; color: var(--p); font-size: 18px; }
.faq-item.open .faq-q { background: var(--card2); color: var(--p); }
.faq-item.open .faq-q::after { content: "－"; }
.faq-a { display: none; padding: 4px 20px 18px; font-size: 14px; color: var(--txl); background: var(--card2); }
.faq-item.open .faq-a { display: block; }
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 34px; }
.contact-info h2, .contact-form h2 { font-size: 21px; margin-bottom: 20px; padding-left: 12px; border-left: 4px solid var(--p); }
.contact-list { list-style: none; }
.contact-list li { display: flex; gap: 14px; padding: 11px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; }
.ci-label { width: 110px; flex-shrink: 0; color: var(--txl); }
.map-box { margin-top: 24px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.map-canvas { height: 300px; background: linear-gradient(135deg, #ddebfb, #c8ddf5); position: relative; transition: transform .3s; overflow: hidden; }
.map-canvas::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px); background-size: 42px 42px; }
.map-pin { position: absolute; left: 50%; top: 42%; transform: translate(-50%, -100%); font-size: 40px; z-index: 2; }
.map-label { position: absolute; left: 50%; top: 52%; transform: translateX(-50%); background: var(--white); border-radius: 8px; padding: 12px 18px; box-shadow: 0 6px 18px rgba(0,0,0,.14); text-align: center; min-width: 240px; z-index: 2; }
.map-label strong { color: var(--p); }
.map-label p { font-size: 12.5px; color: var(--txl); margin-top: 3px; }
.map-tools { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: var(--white); border-top: 1px solid var(--line); }
.map-btn { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 6px; background: var(--card2); color: var(--tx); cursor: pointer; }
.map-nav { margin-left: auto; color: var(--p); font-size: 14px; font-weight: 600; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13.5px; color: var(--txl); margin-bottom: 6px; }
.form-row input, .form-row textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 11px 14px; font-size: 14px; outline: none; font-family: inherit; background: var(--card2); color: var(--tx); }
.form-row input:focus, .form-row textarea:focus { border-color: var(--p); background: var(--white); }
.form-success { background: #f0faf1; border: 1px solid #b7e4c7; color: #1a7f37; padding: 22px; border-radius: 8px; text-align: center; }
.form-tip { font-size: 12.5px; color: var(--txl); margin-top: 12px; }
.empty-tip { padding: 40px; text-align: center; color: var(--txl); }

/* ===== 页脚 ===== */
.site-footer { background: #16233b; color: #c8d3e6; margin-top: 40px; }
.footer-grid { display: grid; gap: 34px; padding: 52px 0 38px; }
.site-footer.foot-4 .footer-grid { grid-template-columns: 1.3fr .8fr 1.2fr 1fr; }
.site-footer.foot-3 .footer-grid { grid-template-columns: 1.2fr .8fr 1.3fr; }
.site-footer.foot-2 .footer-grid { grid-template-columns: 1fr 1.4fr; }
.f-logo { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.f-col h4 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.f-col p { font-size: 13px; line-height: 1.9; }
.f-col ul { list-style: none; }
.f-col ul a { font-size: 13.5px; display: block; padding: 5px 0; }
.f-col ul a:hover { color: #fff; }
.f-btn { display: inline-block; margin-top: 10px; background: var(--acc); color: #1f2937; font-weight: 700; font-size: 13.5px; padding: 10px 20px; border-radius: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); text-align: center; padding: 16px 0; font-size: 12.5px; color: #8fa0bd; }
.footer-bottom a { color: #8fa0bd; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .page-body { grid-template-columns: 220px 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .prod-grid, .prod-grid-list { grid-template-columns: repeat(2, 1fr); }
  body.t-cols-4 .prod-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .biz-grid { grid-template-columns: 1fr; }
  .intro-split { grid-template-columns: 1fr; }
  .header-tel, .topbar, .header-tel-mini { display: none !important; }
  .nav-toggle { display: block; background: none; border: 1px solid var(--line); border-radius: 6px; font-size: 20px; padding: 6px 12px; cursor: pointer; color: var(--tx); }
  .nav-list { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); flex-direction: column; gap: 0; box-shadow: var(--shadow); padding: 8px 0; }
  .nav-list.open { display: flex; }
  .nav-list > li > a { padding: 13px 22px; box-shadow: none !important; }
  .nav-sub { position: static; display: block; box-shadow: none; background: var(--card2); }
  .h-nav-center .nav-band-inner { justify-content: space-between; padding: 10px 0; }
  .h-nav-center .nav-list { position: absolute; top: 100%; }
  .banner { height: 320px; }
  .banner-caption h2 { font-size: 24px; }
  .banner-caption p { font-size: 14px; }
  .section { padding: 44px 0; }
  .page-body { grid-template-columns: 1fr; }
  .page-sidebar { display: none; }
  .detail-head, .contact-grid { grid-template-columns: 1fr; }
  .news-body-grid { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; }
  .news-cover { width: 100%; }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr !important; gap: 26px; }
  .sec-head h2 { font-size: 24px; }
  .content-title { font-size: 21px; }
  .prod-grid, .prod-grid-list, body.t-cols-4 .prod-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}
@media (max-width: 480px) {
  .site-footer .footer-grid { grid-template-columns: 1fr !important; }
  .case-grid { grid-template-columns: 1fr; }
}
/* ===== 首页差异化布局变体（五套模板复用，配色随主题） ===== */
.idx-intro { padding: 70px 0; background: var(--white); }
.idx-intro .container { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; }
.idx-intro.center .container { grid-template-columns: 1fr; max-width: 860px; text-align: center; }
.idx-intro.band .container { grid-template-columns: 1.4fr 0.6fr; align-items: center; }
.idx-intro .i-img img { width: 100%; border-radius: 16px; box-shadow: var(--shadow); }
.idx-intro .i-text { color: var(--txl); font-size: 15px; line-height: 2; margin-bottom: 6px; }
.idx-intro .sec-head.left { text-align: left; margin-bottom: 18px; }
.idx-intro .sec-head.left i { margin: 12px 0 0; }
.idx-stats { display: flex; gap: 44px; margin-top: 26px; }
.idx-stats.col { flex-direction: column; gap: 22px; background: var(--bg); border-radius: 16px; padding: 34px 30px; }
.idx-stats b { display: block; font-size: 30px; color: var(--p); font-weight: 800; }
.idx-stats span { font-size: 13px; color: var(--txl); }
.idx-biz-flat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.idx-biz-flat .f-item { text-align: center; padding: 30px 18px; border-radius: 14px; transition: transform .25s, box-shadow .25s; background: var(--bg); }
.idx-biz-flat .f-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); background: var(--white); }
.idx-biz-flat .f-icon { width: 72px; height: 72px; margin: 0 auto 16px; border-radius: 20px; display: flex; align-items: center; justify-content: center; }
.idx-biz-flat .f-icon svg { width: 38px; height: 38px; }
.idx-biz-flat .f-icon.ic-0 { background: linear-gradient(135deg, var(--p), var(--pd)); }
.idx-biz-flat .f-icon.ic-1 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.idx-biz-flat .f-icon.ic-2 { background: linear-gradient(135deg, #10b981, #059669); }
.idx-biz-flat .f-icon.ic-3 { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.idx-biz-flat .f-item h3 { font-size: 17px; margin-bottom: 6px; }
.idx-biz-flat .f-item p { font-size: 13px; color: var(--txl); }
.idx-biz-flat.slim { grid-template-columns: repeat(4, 1fr); }
.idx-biz-flat.slim .f-item { background: var(--white); border: 1px solid var(--line); }
.idx-biz-flat.glass .f-item { background: rgba(255,255,255,.05); border: 1px solid var(--line); }
.biz-band { background: var(--white); }
.idx-prod-4 { grid-template-columns: repeat(4, 1fr) !important; }
.idx-prod-3 { grid-template-columns: repeat(3, 1fr) !important; }
.idx-prod-2 { grid-template-columns: repeat(2, 1fr) !important; }
.idx-prod-4.compact .prod-info { padding: 14px; }
.idx-news-split { display: grid; grid-template-columns: 1.4fr 1fr; gap: 30px; }
.idx-news-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.idx-news-grid3 .n-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .25s; box-shadow: var(--shadow); }
.idx-news-grid3 .n-card:hover { transform: translateY(-5px); }
.idx-news-grid3 .n-img img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.idx-news-grid3 .n-body { padding: 18px; }
.idx-news-grid3 .n-body time { font-size: 12.5px; color: var(--txl); }
.idx-news-grid3 .n-body h3 { font-size: 16px; margin: 8px 0; }
.idx-news-grid3 .n-body p { font-size: 13px; color: var(--txl); }
.idx-case-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.idx-case-4 .c-item { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .25s; }
.idx-case-4 .c-item:hover { transform: translateY(-5px); }
.idx-case-4 .c-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.idx-case-4 .c-body { padding: 13px 15px 15px; }
.idx-case-4 .c-body span { font-size: 12px; color: var(--p); }
.idx-case-4 .c-body h3 { font-size: 14px; margin-top: 5px; }
.idx-case-4 .c-cap { position: absolute; bottom: 0; left: 0; right: 0; padding: 34px 14px 14px; background: linear-gradient(transparent, rgba(0,0,0,.8)); color: #fff; }
.idx-case-4 .c-cap span { font-size: 12px; opacity: .9; }
.idx-case-4 .c-cap h3 { font-size: 14.5px; margin-top: 4px; color: #fff; }
.idx-case-4.glass .c-item { border: 1px solid var(--line); background: var(--card); }
.idx-case-4.glass .c-body h3 { color: var(--tx); }
.idx-case-rows { display: flex; flex-direction: column; gap: 26px; }
.idx-case-rows .row { display: grid; grid-template-columns: 1fr 1fr; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.idx-case-rows .row .r-img img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
.idx-case-rows .row.rev .r-img { order: 2; }
.idx-case-rows .r-body { padding: 30px 34px; display: flex; flex-direction: column; justify-content: center; }
.idx-case-rows .r-body h3 { font-size: 19px; margin: 8px 0 10px; }
.idx-case-rows .r-body p { font-size: 14px; color: var(--txl); line-height: 1.8; }
.idx-case-rows .r-more { margin-top: 14px; color: var(--p); font-weight: 600; font-size: 14px; }
.idx-case-22 { grid-template-columns: repeat(2, 1fr) !important; gap: 26px !important; }
.idx-news-list { max-width: 900px; margin: 0 auto; }
.idx-news-list .n-item { display: flex; gap: 20px; align-items: center; padding: 18px 0; border-bottom: 1px dashed var(--line); }
.idx-news-list .n-date { width: 74px; text-align: center; flex-shrink: 0; background: var(--bg); border-radius: 12px; padding: 10px 0; }
.idx-news-list .n-date b { display: block; font-size: 24px; color: var(--p); }
.idx-news-list .n-date span { font-size: 12px; color: var(--txl); }
.idx-news-list .n-txt h3 { font-size: 16px; margin-bottom: 4px; }
.idx-news-list .n-txt p { font-size: 13px; color: var(--txl); }
.idx-news-center { list-style: none; max-width: 820px; margin: 0 auto; }
.idx-news-center li { border-bottom: 1px dashed var(--line); }
.idx-news-center a { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 15px 4px; font-size: 14.5px; }
.idx-news-center a:hover .news-title { color: var(--p); }
.idx-news-center .news-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.idx-news-center time { flex-shrink: 0; color: var(--txl); font-size: 13px; }
.airy { padding: 90px 0; }
@media (max-width: 1024px) {
  .idx-intro .container, .idx-intro.band .container { grid-template-columns: 1fr; }
  .idx-biz-flat, .idx-prod-4, .idx-case-4, .idx-news-grid3 { grid-template-columns: repeat(2, 1fr) !important; }
  .idx-news-split { grid-template-columns: 1fr; }
  .idx-case-rows .row { grid-template-columns: 1fr; }
  .idx-case-rows .row.rev .r-img { order: 0; }
}
@media (max-width: 620px) {
  .idx-biz-flat, .idx-prod-4, .idx-prod-3, .idx-prod-2, .idx-case-4, .idx-case-22, .idx-news-grid3 { grid-template-columns: 1fr !important; }
  .idx-stats { gap: 24px; }
}

/* ===== 本模板专属布局特征 ===== */

/* tpl03 布局特征：左对齐侧标式标题、卡片左色条、Banner左文案 */
.sec-head { text-align: left; margin-bottom: 36px; }
.sec-head span { letter-spacing: 2px; }
.sec-head i { margin: 14px 0 0; width: 40px; border-radius: 0 4px 4px 0; }
.banner-caption { align-items: flex-start; text-align: left; }
.banner-caption h2 { border-left: 6px solid var(--acc); padding-left: 18px; }
.prod-card, .biz-card, .case-card { border-left: 3px solid var(--p); }
.biz-card { display: flex; flex-direction: column; }
.page-banner { text-align: left; }
.page-banner .container { padding-left: 6%; }