/* ============================================================
   旭日蓝天官网 — 蓝白企业风格
   设计依据：用户提供的高保真效果图（蓝白主色、卡片化布局）
   ============================================================ */
:root{
  --blue-950:#052C63;
  --blue-900:#0A3A82;
  --blue-800:#0E4B9E;
  --blue-700:#1358B8;
  --blue-600:#1B6BE0;
  --blue-500:#3B8BF2;
  --blue-300:#8DBBF6;
  --blue-200:#C9DFFA;
  --blue-100:#E7F1FD;
  --blue-50:#F3F8FE;
  --ink:#17233D;
  --ink-2:#43536B;
  --ink-3:#6C7C92;
  --line:#E2EAF5;
  --white:#fff;
  --shadow:0 6px 24px rgba(11,58,130,.10);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

.container{max-width:1240px;margin:0 auto;padding:0 24px}
.container.wide{max-width:1440px}

/* ---------- 导航 ---------- */
.navbar{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:32px;height:76px}
.brand{flex-shrink:0;display:flex;align-items:center}
.brand-logo{height:44px;width:auto}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-item{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  border-radius:8px;
  transition:color .2s,background .2s;
  white-space:nowrap;
}
.nav-item:hover,.nav-item.active{color:var(--blue-600);background:var(--blue-50)}
.has-drop{display:flex;align-items:center}
.has-drop .nav-link{display:block}
.dropdown{
  position:absolute;top:100%;left:0;
  min-width:260px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:8px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s,transform .2s,visibility .2s;
  z-index:110;
}
.has-drop:hover .dropdown,.has-drop:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:block;padding:9px 12px;
  font-size:14px;color:var(--ink-2);
  border-radius:6px;
}
.dropdown a:hover{background:var(--blue-50);color:var(--blue-600)}
.nav-phone{
  display:flex;align-items:center;gap:8px;
  color:var(--blue-700);font-weight:700;font-size:17px;
  flex-shrink:0;
}
.nav-phone a:hover{color:var(--blue-500)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ---------- 视图切换 ---------- */
.view{display:none}
.view.active{display:block}

/* ---------- 轮播 ---------- */
.hero-carousel{position:relative;overflow:hidden;background:var(--blue-100)}
.hero-track{display:flex;transition:transform .6s ease}
.hero-slide{flex:0 0 100%}
.hero-slide img{width:100%;height:auto;max-height:720px;object-fit:cover}
.hero-dots{
  position:absolute;bottom:20px;left:50%;transform:translateX(-50%);
  display:flex;gap:10px;z-index:5;
}
.hero-dots button{
  width:10px;height:10px;border-radius:50%;
  background:rgba(255,255,255,.6);
  transition:.3s;
}
.hero-dots button.on{background:var(--blue-600);width:26px;border-radius:5px}
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.85);
  color:var(--blue-700);font-size:26px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 10px rgba(0,0,0,.12);
  z-index:5;transition:.2s;
}
.hero-arrow:hover{background:var(--blue-600);color:#fff}
.hero-prev{left:18px}
.hero-next{right:18px}

/* ---------- 轮播右上角固定小图 ---------- */
.hero-corner{
  position:absolute;top:0;right:0;z-index:6;
  width:240px;
  box-shadow:-6px 0 24px rgba(4,18,42,.22);
  border-bottom-left-radius:12px;
  overflow:hidden;
  transition:transform .25s;
}
.hero-corner:hover{transform:translateY(-4px)}
.hero-corner img{width:100%;height:auto;display:block}

/* ---------- 通用 section ---------- */
.section{padding:72px 0}
.sec-head{text-align:center;margin-bottom:44px}
.sec-title{
  font-size:32px;font-weight:900;color:var(--blue-900);
  letter-spacing:1px;
}
.sec-title::after{
  content:"";display:block;width:52px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,var(--blue-600),var(--blue-300));
  margin:14px auto 0;
}
.sec-sub{margin-top:12px;color:var(--ink-3);font-size:15px}
.sec-head.light .sec-title{color:#fff}
.sec-head.light .sec-sub{color:rgba(255,255,255,.75)}
.sec-more{text-align:center;margin-top:40px}
.btn-primary{
  display:inline-block;padding:12px 32px;
  background:var(--blue-600);color:#fff;font-weight:700;
  border-radius:999px;transition:.25s;
}
.btn-primary:hover{background:var(--blue-800);transform:translateY(-2px)}
.btn-text{color:var(--blue-600);font-weight:700;font-size:14px}
.btn-text i{display:inline-block;transition:transform .2s}
.btn-text:hover i{transform:translateX(4px)}
.btn-text.light{color:#fff}

/* ---------- 产品卡片 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod-card{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .25s,box-shadow .25s;
  display:flex;flex-direction:column;
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.prod-img{aspect-ratio:16/10;overflow:hidden;background:var(--blue-50)}
.prod-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.prod-card:hover .prod-img img{transform:scale(1.05)}
.prod-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.prod-body h3{font-size:18px;font-weight:700;color:var(--ink)}
.prod-body p{font-size:14px;color:var(--ink-3)}
.prod-body .btn-text{margin-top:auto}
.prod-list-row{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-bottom:26px}
.prod-list .prod-card{flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 10px rgba(0,40,100,.06)}
.prod-list .prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.prod-list .prod-img{width:100%;aspect-ratio:1/1;background:#fff}
.prod-list .prod-img img{width:100%;height:100%;object-fit:contain}
.prod-list .prod-body{padding:14px 18px 18px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px}
.prod-list .prod-body h3{font-size:20px;font-weight:700;color:var(--blue-900)}
.prod-list .feat{color:var(--blue-600);font-weight:500;font-size:13px;border:none;background:none;border-radius:0;padding:0}
.prod-list .btn-text{color:var(--blue-600);font-weight:700}
.prod-list .prod-card-f25{width:80%;margin:0 auto}

/* ---------- 行业应用（蓝底） ---------- */
.sec-industry-blue{
  background:#fff;
  color:var(--blue-800);
}
.indus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.indus-item{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);
  padding:24px;min-height:220px;
  display:flex;flex-direction:column;gap:12px;
  transition:background .25s;
}
.indus-item:hover{background:rgba(255,255,255,.16)}
.indus-item h4{font-size:20px;font-weight:700;display:flex;align-items:baseline;gap:10px}
.indus-item h4 span{font-size:12px;font-weight:400;color:rgba(255,255,255,.6);text-transform:lowercase}
.indus-item p{font-size:14px;color:rgba(255,255,255,.85);flex:1}
.indus-item .btn-text{margin-top:auto}

/* ---------- 赋能场景：6 行业卡并排（1920×1080 设计图版，默认城市管理高亮，悬停切换行业卡） ---------- */
.section.sec-industry-blue{padding:0}
.isw-wrap{position:relative}
.isw-tabs{
  display:grid;grid-template-columns:repeat(6,1fr);gap:10px;
  margin:0 auto 22px;max-width:1080px;
}
.isw-tab{
  background:#fff;color:var(--blue-800);
  border:none;border-radius:10px;padding:10px 8px;
  display:flex;flex-direction:column;align-items:center;gap:2px;
  cursor:pointer;transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  box-shadow:0 2px 8px rgba(8,42,94,.12);
}
.isw-tab b{font-size:15px;font-weight:700}
.isw-tab span{font-size:10px;font-weight:400;color:var(--blue-500);text-transform:lowercase}
.isw-tab:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(8,42,94,.22)}
.isw-tab.on{
  background:linear-gradient(135deg,var(--blue-800),var(--blue-600));
  color:#fff;box-shadow:0 8px 24px rgba(8,42,94,.35);
}
.isw-tab.on span{color:rgba(255,255,255,.75)}
/* 6 卡并排，全宽，卡高与行业图同比例（320:1081），选中卡完整显示整张行业图 */
.isw-cards{
  display:grid;grid-template-columns:repeat(6,1fr);gap:0;
  width:100vw;margin-left:calc(50% - 50vw);
}
.isw-card{
  position:relative;overflow:hidden;height:56.3vw;
  background:#fff;color:var(--blue-800);
  transition:background .3s ease, color .3s ease;
}
.isw-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .35s ease;
}
.isw-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(9,45,100,.18) 0%,rgba(9,45,100,.58) 62%,rgba(9,45,100,.82) 100%);
  opacity:0;transition:opacity .35s ease;
}
.isw-card-body{
  position:relative;height:100%;
  display:flex;flex-direction:column;align-items:center;
  text-align:center;
  padding:18.6vw 16px 14px;
  transition:opacity .3s ease;
}
.isw-card h4{font-size:24px;font-weight:700;display:flex;flex-direction:column;align-items:center;gap:4px}
.isw-card h4 span{font-size:11px;font-weight:400;color:var(--blue-400);text-transform:lowercase;letter-spacing:.5px}
.isw-card.on h4 span{color:rgba(255,255,255,.65)}
.isw-card h4::after{
  content:"";display:block;width:24px;height:3px;border-radius:2px;
  background:var(--sky-400);margin:12px auto 0;
}
.isw-card ul{
  list-style:none;margin:3vw 0 12px;flex:1;
  display:flex;flex-direction:column;align-items:center;gap:8px;
}
.isw-card ul li{
  font-size:12px;line-height:1.5;color:var(--ink-3);
}
.isw-card.on ul li{color:rgba(255,255,255,.92)}
.isw-more{
  display:none;align-self:center;
  padding:9px 26px;border-radius:8px;
  background:linear-gradient(135deg,var(--blue-700),var(--blue-500));
  color:#fff;font-size:13px;font-weight:600;
}
.isw-card.on{background:#0b3b86;color:#fff}
.isw-card.on img{opacity:1}
.isw-card.on .isw-mask{opacity:0}
.isw-card.on .isw-card-body{opacity:0}

/* ---------- 商城上新 ---------- */
.sec-mall{padding:8px 0 72px}
.mall-img,.partners-img{width:100%;height:auto}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.news-card-big{
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;padding:0;background:var(--white);
  display:flex;flex-direction:column;
}
.news-img{height:250px;overflow:hidden}
.news-img img{width:100%;height:100%;object-fit:cover}
.news-card-big .news-meta{padding:18px 22px 0}
.news-card-big h3,.news-card-big p{padding:0 22px}
.news-card-big h3{margin-top:6px;font-size:19px;font-weight:700}
.news-card-big p{margin-top:8px;font-size:14px;color:var(--ink-3);flex:1}
.news-card-big .btn-text{margin:16px 22px 22px}
.news-side{display:flex;flex-direction:column;gap:20px}
.news-item{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;background:var(--white);
  display:flex;flex-direction:column;gap:8px;
}
.news-item.blue-card{background:linear-gradient(135deg,var(--blue-800),var(--blue-600));border:none}
.news-item.blue-card h3{color:#fff}
.news-item.blue-card p{color:rgba(255,255,255,.85)}
.news-item.blue-card .news-meta{color:rgba(255,255,255,.7)}
.news-item h3{font-size:16px;font-weight:700;line-height:1.5}
.news-item p{font-size:13px;color:var(--ink-3)}
.news-item .btn-text{margin-top:4px}
.news-meta{color:var(--blue-500);font-size:13px;font-weight:500}
.news-item + .news-item{display:grid;grid-template-columns:130px 1fr;align-items:center;gap:16px}
.news-img-sm{height:90px;overflow:hidden;border-radius:8px}
.news-img-sm img{width:100%;height:100%;object-fit:cover}
.news-item-body h3{font-size:15px}

/* ---------- 合作伙伴 ---------- */
.sec-partners{padding:0}
.sec-partners img{width:100%;height:auto;display:block}

/* ---------- 页面 Hero ---------- */
.page-hero{position:relative;line-height:0}
.page-hero img{width:100%;height:auto}
.page-hero.short img{max-height:560px;object-fit:cover}
.page-hero.solid{
  background:linear-gradient(135deg,var(--blue-900),var(--blue-700));
  padding:90px 0;color:#fff;
}
.page-hero.solid h1{font-size:40px;font-weight:900}
.page-hero.solid h1 span{display:block;font-size:16px;font-weight:500;color:var(--blue-200);margin-top:8px;letter-spacing:2px}
.page-hero.solid p{margin-top:14px;font-size:17px;color:rgba(255,255,255,.8)}

/* ---------- 数据栏 ---------- */
.sec-stats{
  background:linear-gradient(135deg,var(--blue-800),var(--blue-600));
  padding:56px 0;
}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;color:#fff}
.stat-num{font-size:52px;font-weight:900;line-height:1.1}
.stat-num small{font-size:20px;font-weight:700}
.stat-label{margin-top:10px;font-size:15px;color:rgba(255,255,255,.85)}

/* ---------- 关于我们 ---------- */
.sec-about-intro{background:var(--white)}
.about-cols{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start}
.block-title{
  font-size:22px;font-weight:900;color:var(--blue-900);
  padding-left:14px;border-left:4px solid var(--blue-600);
  margin-bottom:18px;
}
.company-name{font-size:17px;color:var(--blue-700);margin-bottom:12px}
.about-text p{font-size:15px;color:var(--ink-2);margin-bottom:14px;text-align:justify}
.about-badges{display:flex;flex-direction:column;gap:14px;padding-top:6px}
.badge{
  display:flex;align-items:center;gap:10px;
  background:var(--blue-50);border:1px solid var(--blue-200);
  color:var(--blue-800);font-size:14px;font-weight:500;
  border-radius:10px;padding:12px 16px;
}
.badge svg{flex-shrink:0;color:var(--blue-600)}
.factory-img{width:100%;border-radius:var(--radius);margin-top:36px;box-shadow:var(--shadow)}

/* ---------- 业务模块 ---------- */
.sec-modules{background:var(--blue-50)}
.module-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  position:relative;
}
.module{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px;
  text-align:center;transition:transform .25s,box-shadow .25s;
}
.module:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.module-num{
  font-size:14px;font-weight:900;color:var(--blue-600);
  background:var(--blue-100);border-radius:999px;
  display:inline-block;padding:4px 14px;margin-bottom:14px;
}
.module h4{font-size:17px;font-weight:700;margin-bottom:8px}
.module p{font-size:13px;color:var(--ink-3)}

/* ---------- 企业风采 ---------- */
.factory-carousel{position:relative;border-radius:var(--radius);box-shadow:var(--shadow)}
.factory-row{overflow:hidden}
.factory-track{display:flex;transition:transform .45s ease}
.factory-slide{flex:0 0 33.3333%;padding:0 8px;background:transparent}
.factory-slide img{width:100%;height:400px;object-fit:cover;display:block;cursor:zoom-in;border-radius:10px;transition:transform .35s ease}
.factory-slide img:hover{transform:scale(1.03)}
.factory-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.9);color:var(--blue-700);
  font-size:24px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(0,0,0,.15);z-index:3;
}
.factory-prev{left:14px}.factory-next{right:14px}

/* ---------- 产品中心 ---------- */
.series-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.series-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;background:var(--white);
  border-top:4px solid var(--blue-600);
  display:flex;flex-direction:column;gap:8px;
  transition:box-shadow .25s;
}
.series-card:hover{box-shadow:var(--shadow)}
.series-card h4{font-size:18px;font-weight:700;color:var(--blue-900)}
.series-card p{font-size:13px;color:var(--ink-3);flex:1}
.series-card a{font-size:13px;color:var(--blue-600);font-weight:700}

.sec-prod-list,.sec-detail{background:var(--blue-50)}
.prod-list-cols{display:grid;grid-template-columns:250px 1fr;gap:32px;align-items:start}
.prod-side{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;position:sticky;top:96px;
}
.prod-side h3{
  font-size:16px;font-weight:700;color:var(--blue-900);
  padding-bottom:12px;border-bottom:2px solid var(--blue-100);margin-bottom:10px;
}
.prod-side li{
  padding:10px 12px;border-radius:8px;font-size:14px;
  color:var(--ink-2);cursor:pointer;display:flex;justify-content:space-between;
}
.prod-side li:hover{background:var(--blue-50);color:var(--blue-600)}
.prod-side li.active{background:var(--blue-600);color:#fff}
.prod-side li span{font-size:12px;opacity:.7}

/* ---------- 产品详情 ---------- */
.prod-detail-cols{display:grid;grid-template-columns:250px 1fr;gap:32px;align-items:start}
#detailSide{max-height:none;overflow:visible}
#detailSide h3{text-align:left}
.detail-group summary{font-size:13px;color:var(--blue-600);padding:8px 14px;font-weight:700;text-align:left;cursor:pointer;list-style:none;display:block;border-radius:6px}
.detail-group summary::-webkit-details-marker{display:none}
.detail-group summary:hover{background:var(--blue-50)}
.detail-group[open] summary{color:var(--blue-900);font-weight:700}
.detail-group ul{list-style:none;margin:0;padding:0 0 4px}
.detail-group li{padding:0;margin:0;display:block;border-radius:0}
.detail-group li a{display:block;padding:6px 12px;font-size:13px;line-height:1.5;color:var(--ink-2);text-decoration:none;border-radius:6px;white-space:nowrap;text-align:left}
.detail-group li a:hover{background:var(--blue-50);color:var(--blue-600)}
.detail-group li a.active{background:var(--blue-600);color:#fff;font-weight:600}
.detail-visual{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.detail-visual img{width:100%}
.detail-copy{margin:28px 0}
.detail-copy h3{font-size:24px;font-weight:900;color:var(--blue-900);margin-bottom:12px}
.detail-copy p{font-size:15px;color:var(--ink-2);text-align:justify}
.detail-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 28px;margin-top:26px}
.detail-panel .detail-copy{margin:0 0 22px}
.detail-copy .feat{color:var(--blue-600);font-weight:500;border:none;background:none;border-radius:0;padding:0;margin:0 0 12px;font-size:15px}
.detail-three{border-radius:var(--radius);overflow:hidden;margin-bottom:28px}
.detail-three img{width:100%}
.spec-table-wrap{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.spec-table-wrap h3{font-size:20px;font-weight:900;color:var(--blue-900);margin-bottom:18px}
.spec-table{width:100%;border-collapse:collapse}
.spec-table td{
  border:1px solid var(--line);padding:13px 16px;
  font-size:14px;
}
.spec-table td:nth-child(odd){background:var(--blue-50);color:var(--ink-2);font-weight:500;width:22%}
.spec-table td:nth-child(even){color:var(--ink);font-weight:700;width:28%}

/* ---------- 星云平台 ---------- */
.platform-dash{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:28px}
.platform-dash img{width:100%}
.platform-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.platform-cols.single{grid-template-columns:1fr}
.platform-block{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
}
.platform-block h3{
  font-size:18px;font-weight:800;color:var(--blue-900);
  padding-left:12px;border-left:4px solid var(--blue-600);margin-bottom:14px;
}
.platform-block p{font-size:14px;color:var(--ink-2);margin-bottom:10px;text-align:justify}
.platform-block p:last-child{margin-bottom:0}

/* ---------- 集团/学院通用 ---------- */
.sec-company{background:var(--white)}
.company-cols{display:grid;grid-template-columns:420px 1fr;gap:40px;align-items:center;margin-bottom:36px}
.company-cols.single{grid-template-columns:1fr;gap:0}
.company-cols.rev{grid-template-columns:1fr 1fr}
.company-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.company-img img{width:100%;height:100%;object-fit:cover}
.company-text p{font-size:15px;color:var(--ink-2);margin-bottom:14px;text-align:justify}
.company-text .strong{color:var(--blue-700);font-weight:700}
.company-info ul li{
  padding:9px 0 9px 22px;position:relative;font-size:15px;color:var(--ink-2);
}
.company-info ul li::before{
  content:"";position:absolute;left:2px;top:18px;
  width:8px;height:8px;border-radius:2px;background:var(--blue-600);
}
.contact-list li{padding-left:0 !important}
.contact-list li::before{display:none}
.contact-list strong{color:var(--ink)}
.core-banner{
  width:100vw;margin-left:calc(50% - 50vw);
  background:linear-gradient(rgba(8,30,66,.88),rgba(8,30,66,.88)),url('assets/media_trucks.jpg') center/cover;
  padding:56px 0;margin-top:36px;
}
.core-banner-inner{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
  max-width:1200px;margin:0 auto;padding:0 24px;
}
.core-banner .core-item{text-align:center;color:#fff}
.core-banner .core-item h4{font-size:22px;font-weight:700;margin-bottom:6px}
.core-banner .core-item span{font-size:12px;color:rgba(255,255,255,.75)}
.case-layout{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start}
.case-list-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.case-list-side .block-title{margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.case-side-item{display:block;width:100%;text-align:left;background:none;border:none;border-bottom:1px dashed var(--line);padding:10px 0;cursor:pointer;font-size:13px;color:var(--ink-2);line-height:1.4;font-family:inherit}
.case-side-item:last-child{border-bottom:none}
.case-side-item:hover{color:var(--blue-600)}
.case-side-item.active{color:var(--blue-600);font-weight:700}
.case-gallery{background:#f7f9fc;border-radius:var(--radius);padding:28px}
.case-gallery-title{text-align:center;font-size:15px;font-weight:600;color:var(--ink-2);margin-bottom:20px}
.case-gallery-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.case-gallery-grid img{width:100%;height:180px;object-fit:cover;border-radius:6px;cursor:zoom-in}
.case-area{margin-top:16px}
.case-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-item{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--white);transition:box-shadow .25s;
}
.case-item:hover{box-shadow:var(--shadow)}
.case-item img{width:100%;height:170px;object-fit:cover}
.case-item p{padding:14px 16px;font-size:14px;color:var(--ink-2);font-weight:500}
.case-simple li{
  padding:13px 16px;background:var(--white);
  border:1px solid var(--line);border-radius:10px;
  margin-bottom:10px;font-size:15px;color:var(--ink-2);
  padding-left:40px;position:relative;
}
.case-simple li::before{
  content:"";position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:10px;height:10px;border-radius:50%;background:var(--blue-600);
}

/* ---------- 飞行学院 ---------- */
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:10px 0 36px}
.adv{
  background:var(--blue-50);border:1px solid var(--blue-200);
  border-radius:var(--radius);padding:24px;
}
.adv h4{font-size:16px;font-weight:700;color:var(--blue-800);margin-bottom:8px}
.adv p{font-size:14px;color:var(--ink-2);text-align:justify}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--white);transition:box-shadow .25s;
}
.feat:hover{box-shadow:var(--shadow)}
.feat img{width:100%;height:170px;object-fit:cover}
.feat h4{padding:16px 18px 0;font-size:16px;font-weight:700;color:var(--blue-900)}
.feat p{padding:8px 18px 18px;font-size:13px;color:var(--ink-3)}

/* ---------- 行业应用页 ---------- */
.sec-industry-page{background:var(--white);padding-bottom:0}
.industry-tabs{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:40px;
}
.industry-tabs button{
  padding:10px 22px;border-radius:999px;
  border:1px solid var(--blue-200);color:var(--blue-700);
  font-size:15px;font-weight:500;background:var(--white);
  transition:.2s;
}
.industry-tabs button:hover{border-color:var(--blue-600)}
.industry-tabs button.active{background:var(--blue-600);color:#fff;border-color:var(--blue-600)}
.ind-panel{display:none}
.ind-panel.active{display:block;animation:fadeIn .4s}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.panel-title{
  font-size:26px;font-weight:900;color:var(--blue-900);margin-bottom:10px;
}
.panel-title span{display:block;font-size:16px;font-weight:500;color:var(--blue-600);margin-top:6px}
.panel-desc{font-size:15px;color:var(--ink-2);max-width:900px;margin-bottom:26px;text-align:justify}
.ind-photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px}
.ind-photo-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;transition:transform .3s}
.ind-photo-grid img:hover{transform:scale(1.02)}
.map-area{margin-top:30px;background:var(--blue-50);border-radius:var(--radius);padding:30px}
.map-img{width:100%;border-radius:10px;margin-bottom:22px}
.map-info{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.map-item h4{
  font-size:16px;font-weight:700;color:var(--blue-800);
  padding-left:12px;border-left:4px solid var(--blue-600);margin-bottom:10px;
}
.map-item p{font-size:14px;color:var(--ink-2)}

/* ---------- 新闻页 ---------- */
.sec-news-page{background:var(--white)}
.news-page-cols{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start}
.news-sidebar{
  background:var(--blue-50);border:1px solid var(--blue-200);
  border-radius:var(--radius);padding:20px;position:sticky;top:96px;
  max-height:800px;overflow-y:auto;
}
.news-sidebar h3{
  font-size:16px;font-weight:800;color:var(--blue-900);
  padding-bottom:10px;border-bottom:2px solid var(--blue-200);margin-bottom:10px;
}
.news-sidebar li{
  padding:9px 0;border-bottom:1px dashed var(--blue-200);
  font-size:14px;color:var(--ink-2);
}
.news-sidebar li a:hover{color:var(--blue-600)}
.news-sidebar li:last-child{border-bottom:none}
.news-article{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:34px 38px;
}
.news-article h1{font-size:28px;font-weight:900;color:var(--ink);line-height:1.4}
.news-article .news-meta{margin:10px 0 22px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.news-article p{font-size:15px;color:var(--ink-2);margin-bottom:16px;text-align:justify}
.news-article img{width:100%;border-radius:10px;margin:20px 0;box-shadow:var(--shadow)}

/* ---------- 联系我们 ---------- */
.sec-contact{background:var(--blue-50)}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:44px}
.contact-card{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;text-align:center;
}
.contact-card h4{
  font-size:15px;font-weight:700;color:var(--blue-800);
  margin-bottom:12px;display:inline-block;
  border-bottom:2px solid var(--blue-200);padding-bottom:6px;
}
.contact-card p{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px}
.workshop-area{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.workshop-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:20px}
.workshop-links a{
  padding:8px 20px;border-radius:999px;font-size:14px;font-weight:500;
  border:1px solid var(--blue-200);color:var(--blue-700);
}
.workshop-links a.active{background:var(--blue-600);color:#fff;border-color:var(--blue-600)}
.workshop-links h4{font-size:16px;font-weight:700;color:var(--blue-900);margin-left:auto}
.workshop-links p{font-size:13px;color:var(--ink-3);width:100%}
.workshop-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.workshop-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px}

/* ---------- 页脚（设计图版：底部.png + 透明热区链接） ---------- */
.footer{position:relative;line-height:0}
.footer-bg{position:relative;width:100%}
.footer-bg-img{width:100%;height:auto;display:block}
.footer-hot{position:absolute;inset:0}
.hot{position:absolute;display:block;border-radius:4px;transition:background .2s}
.hot:hover{background:rgba(255,255,255,.14)}
.hot-logo{left:12%;top:24%;width:17%;height:20%}
.hot-phone{left:13%;top:53%;width:16%;height:10%}
.hot-a1,.hot-p1{top:37.5%;height:7.5%}
.hot-a2,.hot-p2{top:45%;height:7.5%}
.hot-a3{top:52.5%;height:7.5%}
.hot-a4{top:60%;height:7.5%}
.hot-p4{top:39%;height:7.5%}
.hot-a1,.hot-a2,.hot-a3,.hot-a4{left:33%;width:9%}
.hot-p4{left:44%;width:9%}

/* ---------- 首页：集团介绍（1920×1080 满幅设计图 + 厂房独立层悬停放大） ---------- */
.sec-group-intro{padding:0;background:var(--white)}
.group-intro-design{
  position:relative;overflow:hidden;
}
.group-intro-design > img{width:100%;height:auto;display:block}
/* 厂房独立图层：悬停时只放大厂房，数字/标签区完全不动 */
.group-intro-design .g-factory{
  position:absolute;left:17.2%;top:30.6%;width:35.4%;height:41.7%;
  border-radius:4px;
  transition:transform .4s ease, box-shadow .4s ease;
  cursor:default;
}
/* 旧版集团介绍（保留兼容，未被引用） */
.group-intro-cols{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.group-intro-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.group-intro-img img{width:100%;height:100%;object-fit:cover}
.group-intro-text .company-name{margin-bottom:16px}
.group-intro-text p{font-size:15px;color:var(--ink-2);margin-bottom:14px;text-align:justify}
.group-intro-text .btn-primary{margin-top:8px}

/* ---------- 首页：新闻三模块 ---------- */
.news-grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:26px;align-items:stretch}
.news-card-blue{
  background:linear-gradient(135deg,var(--blue-800),var(--blue-600));
  border-radius:var(--radius);padding:26px;color:#fff;
  display:flex;flex-direction:column;gap:10px;
}
.news-card-blue .news-meta{color:rgba(255,255,255,.7)}
.news-card-blue h3{font-size:19px;font-weight:700;line-height:1.5}
.news-card-blue p{font-size:14px;color:rgba(255,255,255,.85);flex:1}
.news-card-blue .btn-text{margin-top:auto}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-list .news-row{flex:1}
.news-row{
  display:flex;gap:14px;align-items:stretch;
  border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;background:var(--white);transition:box-shadow .25s;
}
.news-row:hover{box-shadow:var(--shadow)}
.news-row img{width:104px;height:78px;object-fit:cover;border-radius:8px;flex-shrink:0}
.news-row h4{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row span{display:block;margin-top:6px;font-size:12px;color:var(--ink-3)}

/* ---------- 全屏预览 ---------- */
.lightbox-tip{text-align:center;margin-top:14px;font-size:13px;color:var(--ink-3)}
.lightbox{
  position:fixed;inset:0;z-index:200;
  background:rgba(4,18,42,.94);
  display:flex;align-items:center;justify-content:center;
  flex-direction:column;gap:14px;padding:40px;
}
.lightbox[hidden]{display:none}
.lightbox img{max-width:92vw;max-height:82vh;object-fit:contain;border-radius:8px;box-shadow:0 10px 50px rgba(0,0,0,.5)}
.lightbox-close{
  position:absolute;top:22px;right:30px;
  width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.12);color:#fff;font-size:26px;
  display:flex;align-items:center;justify-content:center;transition:.2s;
}
.lightbox-close:hover{background:rgba(255,255,255,.28)}
.lightbox-cap{color:rgba(255,255,255,.85);font-size:15px}
.video-overlay{
  position:fixed;inset:0;z-index:210;
  background:rgba(4,18,42,.96);
  display:flex;align-items:center;justify-content:center;padding:40px;
}
.video-overlay[hidden]{display:none}
.video-overlay video{max-width:92vw;max-height:86vh;width:auto;background:#000;border-radius:10px;box-shadow:0 10px 50px rgba(0,0,0,.6)}
.video-close{
  position:absolute;top:22px;right:30px;
  width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.12);color:#fff;font-size:26px;
  display:flex;align-items:center;justify-content:center;transition:.2s;cursor:pointer;z-index:2;
}
.video-close:hover{background:rgba(255,255,255,.28)}

/* ---------- 产品中心 4.1 全部产品 ---------- */
.prod-all-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod-mini{
  position:relative;border-radius:var(--radius);overflow:hidden;
  display:block;aspect-ratio:16/11;
}
.prod-mini img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.prod-mini:hover img{transform:scale(1.06)}
.prod-mini span{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(transparent,rgba(4,18,42,.82));
  color:#fff;font-size:15px;font-weight:600;
  padding:34px 18px 14px;
}

/* ---------- 产品中心 4.3 热门系列（带图） ---------- */
.series-card .series-img{height:120px;overflow:hidden;border-radius:8px;margin-bottom:10px}
.series-card .series-img img{width:100%;height:100%;object-fit:cover}

/* ---------- 一管六平台 ---------- */
.p6-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}

/* ---------- 子公司详情 ---------- */
.subs-detail .subs-head{display:flex;align-items:center;gap:24px;margin-bottom:30px}
.subs-detail .subs-head img{width:150px;height:150px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.subs-detail .subs-head h2{font-size:28px;font-weight:900;color:var(--blue-900)}
.subs-detail .subs-head p{font-size:14px;color:var(--ink-3);margin-top:6px}
.subs-detail .subs-body p{font-size:15px;color:var(--ink-2);text-align:justify;margin-bottom:14px}

/* ---------- 飞行学院风采 ---------- */
.gallery-area{margin-top:44px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;cursor:zoom-in;transition:transform .3s}
.gallery-grid img:hover{transform:scale(1.02)}

/* ---------- 联系我们：车间/营地切换 ---------- */
.workshop-tabs{display:flex;gap:12px;margin-bottom:20px}
.workshop-tabs button{
  padding:9px 24px;border-radius:999px;
  border:1px solid var(--blue-200);color:var(--blue-700);
  font-size:15px;font-weight:500;background:var(--white);transition:.2s;
}
.workshop-tabs button:hover{border-color:var(--blue-600)}
.workshop-tabs button.active{background:var(--blue-600);color:#fff;border-color:var(--blue-600)}
.workshop-gallery{display:none;grid-template-columns:repeat(4,1fr);gap:16px}
.workshop-gallery.active{display:grid;animation:fadeIn .3s}
.workshop-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;cursor:zoom-in;transition:transform .3s}
.workshop-gallery img:hover{transform:scale(1.02)}

/* ---------- 联系我们：在线留言 ---------- */
.message-area{
  margin-top:40px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);padding:34px;
}
.message-form .form-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:18px}
.message-form label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600;color:var(--ink-2)}
.message-form input,.message-form textarea{
  font-family:inherit;font-size:14px;color:var(--ink);
  border:1px solid var(--line);border-radius:10px;padding:11px 14px;
  transition:border-color .2s;background:var(--blue-50);
  resize:vertical;
}
.message-form input:focus,.message-form textarea:focus{outline:none;border-color:var(--blue-600);background:var(--white)}
.message-form .form-full{margin-bottom:18px}
.message-form .btn-primary{margin-top:4px}
.form-tip{margin-top:14px;font-size:14px;font-weight:600}
.form-tip.ok{color:#16a34a}
.form-tip.err{color:#dc2626}

/* ---------- 新闻导航选中 ---------- */
.news-sidebar li.active a{color:var(--blue-600);font-weight:700}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:26px;bottom:30px;z-index:90;
  width:44px;height:44px;border-radius:50%;
  background:var(--blue-600);color:#fff;font-size:20px;
  box-shadow:0 4px 14px rgba(11,58,130,.35);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:.3s;
}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:var(--blue-800)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .prod-list-cols{grid-template-columns:200px 1fr}
  .module-grid,.map-info{grid-template-columns:repeat(2,1fr)}
  .core-row{grid-template-columns:repeat(3,1fr)}
  .company-cols{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-menu{
    position:fixed;inset:76px 0 auto 0;
    flex-direction:column;align-items:stretch;
    background:var(--white);padding:16px 20px 24px;
    box-shadow:0 10px 30px rgba(0,0,0,.1);
    transform:translateY(-130%);transition:transform .3s;
    gap:2px;
  }
  .nav-menu.open{transform:none}
  .nav-item{padding:12px 10px}
  .dropdown{position:static;box-shadow:none;border:none;padding:0 0 0 16px;opacity:1;visibility:visible;transform:none;display:none}
  .has-drop.open .dropdown{display:block}
  .nav-phone{display:none}
  .nav-toggle{display:flex}
  .hero-arrow{display:none}
  .hero-corner{width:84px}
  .prod-grid,.indus-grid,.feat-grid,.news-grid,.platform-cols,.series-row,.adv-grid,.contact-cards,.case-list,.ind-photo-grid,.workshop-grid,.news-grid3,.prod-all-grid,.p6-grid,.gallery-grid,.workshop-gallery,.group-intro-cols{grid-template-columns:1fr}
  .message-form .form-row{grid-template-columns:1fr}
  .subs-detail .subs-head{flex-direction:column;align-items:flex-start}
  .prod-list-row{grid-template-columns:1fr}
  .prod-list .prod-card{flex-direction:column}
  .prod-list .prod-img{width:100%;aspect-ratio:16/10}
  .news-page-cols{grid-template-columns:1fr}
  .news-sidebar{position:static}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:28px}
  .stat-num{font-size:40px}
  .section{padding:52px 0}
  .sec-title{font-size:26px}
  .company-cols.rev{grid-template-columns:1fr}
  .core-row{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-qr{grid-template-columns:repeat(4,1fr)}
  .isw-tabs{grid-template-columns:repeat(3,1fr);gap:8px}
  .isw-cards{grid-template-columns:repeat(3,1fr);width:auto;margin-left:0}
  .isw-card{height:auto;min-height:320px}
  .isw-card-body{padding:24% 16px 14px}
}
@media (max-width:520px){
  .footer-inner{grid-template-columns:1fr}
  .module-grid,.map-info{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .page-hero.solid h1{font-size:28px}
  .news-item + .news-item{grid-template-columns:1fr}
  .news-row img{width:84px;height:66px}
  .factory-slide{flex-basis:50%}
  .factory-slide img{height:220px}
  .hero-corner{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

.series-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.series-card{position:relative;border-radius:0;overflow:hidden;display:block;transition:transform .3s}
.series-card:hover{transform:translateY(-4px)}
.series-card img{width:100%;height:auto;display:block}
.series-card .series-info{display:none}
.prod-all-grid{grid-template-columns:repeat(3,1fr)!important}
.prod-mini{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 12px;
  text-align:center;display:block}
.prod-mini img{height:140px;object-fit:contain;margin-bottom:12px}
.prod-mini span{font-size:13px;color:var(--ink-2);font-weight:500}

.xy-gallery{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.xy-gallery img{width:100%;border-radius:10px;box-shadow:var(--shadow);cursor:zoom-in}

/* ---------- 赋能场景：左按钮+右大图 ---------- */
.sec-scene{background:#fff;padding:0}
.scene-wrap{display:flex;align-items:stretch;min-height:620px}
.scene-tabs{flex:1;display:flex;align-items:center;justify-content:space-around;padding:60px 30px;gap:0}
.scene-tab{flex:1;text-align:center;cursor:pointer;padding:20px 8px;transition:.25s}
.scene-tab h4{font-size:28px;font-weight:800;color:#2a3a5c;line-height:1.1}
.scene-tab h4 span{display:block;font-size:13px;font-weight:500;color:#8a94a6;margin-top:8px;letter-spacing:1px}
.scene-tab i{display:block;width:24px;height:3px;background:#2563eb;margin:20px auto;border-radius:2px}
.scene-tab p{font-size:13px;color:#6b7585;line-height:1.9;margin-top:16px}
.scene-tab.active h4{color:#2563eb}
.scene-visual{width:420px;flex-shrink:0;position:relative;overflow:hidden}
.scene-visual img{width:100%;height:100%;object-fit:cover;display:block;transition:opacity .3s}
@media(max-width:1200px){
  .scene-wrap{flex-direction:column}
  .scene-tabs{flex-wrap:wrap;min-height:auto;padding:30px 10px}
  .scene-tab{flex:0 0 30%;padding:16px 6px}
  .scene-tab h4{font-size:20px}
  .scene-tab p{font-size:12px;line-height:1.7}
  .scene-visual{width:100%;height:380px}
}

/* ---------- 传媒企业介绍：左图右文 ---------- */
.media-intro{display:flex;gap:50px;align-items:flex-start;padding:40px 0}
.media-intro-img{flex:0 0 380px}
.media-intro-img img{width:100%;border-radius:4px;display:block}
.media-intro-text{flex:1}
.media-intro-text .block-title{margin-bottom:20px}
.media-intro-text p{line-height:1.9;color:#445; margin-bottom:14px}
.media-intro-bottom{display:flex;gap:60px;margin-top:30px;padding-top:25px;border-top:1px solid #eef}
.media-intro-col h4{font-size:16px;color:#2563eb;margin-bottom:12px;font-weight:700}
.media-intro-col ul{list-style:none;padding:0}
.media-intro-col ul li{padding-left:16px;position:relative;line-height:2;color:#445;font-size:14px}
.media-intro-col ul li:before{content:'•';position:absolute;left:0;color:#2563eb;font-weight:bold}
.media-intro-col .contact-list li:before{content:none}
@media(max-width:900px){
  .media-intro{flex-direction:column}
  .media-intro-img{flex:none;width:100%}
  .media-intro-bottom{flex-direction:column;gap:25px}
}

/* 学院特点：图标替代图片 */
.feat-icon{display:none}
.feat img{display:none}

/* 集团介绍和合作伙伴全屏 */
.sec-group-intro .container,
.sec-partners .container{max-width:none;padding:0}

/* 业务版图全屏无缝 */
.sec-industry-page .map-area{
  width:100vw;margin:0 calc(50% - 50vw);padding:0;max-width:none;
  background:transparent;border-radius:0;
}
.sec-industry-page .map-area .map-img{width:100%;height:auto;display:block;margin:0;padding:0;border-radius:0}

/* 产品模型网格：一行2个 图+名字 */
.prod-series-title{font-size:24px;font-weight:700;color:var(--blue-900);text-align:center;margin:48px 0 24px}
.prod-series-title:first-child{margin-top:0}
.prod-model-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;width:100%;max-width:1240px;margin:0 auto}
.prod-model{background:#fff;border-radius:12px;padding:28px 20px 24px;text-align:center;box-shadow:0 4px 20px rgba(0,40,100,.08);transition:transform .3s,box-shadow .3s}
.prod-model:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,60,140,.16)}
.prod-model img{width:100%;height:auto;display:block}
.prod-model h4{font-size:20px;font-weight:700;color:var(--blue-900);margin-top:16px}
@media(max-width:900px){.prod-model-grid{grid-template-columns:1fr}}

/* 产品卡片v2：设计稿整图 */
.prod-cards-v2{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;width:100%;max-width:1600px;margin:0 auto}
.sec-prod-all .container{max-width:1240px;margin:0 auto;padding:0 24px}
.prod-card-v2{display:block;border-radius:0;overflow:hidden;transition:transform .3s}
.prod-card-v2:hover{transform:translateY(-4px)}
.prod-card-v2 img{width:100%;height:auto;display:block}
@media(max-width:900px){.prod-cards-v2{grid-template-columns:1fr;max-width:480px}}

/* 行业面板：标题描述区居中限宽，文字居左 */
.ind-panel{max-width:1100px;margin:0 auto;text-align:left}
.ind-panel .ind-photo-grid{max-width:1100px;margin-left:auto;margin-right:auto}

/* 学院风采下方全屏大图 */
.academy-wide{width:100%;margin:56px 0 0;padding:0}
.academy-wide img{display:block;width:100%;height:auto}
#view-academy > .section{padding-bottom:0}
/* banner轮播上的CAAC广告图 */
.hero-slide{position:relative}
.hero-ad{
  position:absolute;right:40px;top:50%;transform:translateY(-50%);
  width:360px;height:auto;z-index:5;pointer-events:none;
  filter:drop-shadow(0 8px 24px rgba(0,0,0,.25));
}
@media(max-width:900px){.hero-ad{width:160px;right:12px}}

/* 子公司产业介绍：卡片网格 */
.industry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:28px 0 8px}
.industry-card{background:#fff;border:1px solid #e6edf6;border-radius:14px;padding:22px 24px;box-shadow:0 4px 16px rgba(2,32,71,.06);transition:transform .3s,box-shadow .3s}
.industry-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(2,50,120,.12)}
.industry-card h3{font-size:17px;font-weight:700;color:var(--blue-900,#061f4a);margin:0 0 14px;padding-left:12px;border-left:4px solid #0a5cff;line-height:1.3}
.industry-card ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.industry-card li{padding:6px 14px;background:#f2f6fc;border-radius:8px;font-size:13.5px;color:#33415e;line-height:1.5}
@media(max-width:900px){.industry-grid{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto}}