/* ==========================================================================
   盐城市科蕴电气有限公司 官网样式
   配色取自企业 LOGO：深蓝 #0C588E / 亮蓝 #027FC6 / 橙 #F37122
   ========================================================================== */

:root{
  --brand:#0C588E;
  --brand-d:#083F68;
  --brand-d2:#062F4E;
  --brand-l:#027FC6;
  --brand-xl:#E9F2F9;
  --accent:#F37122;
  --accent-d:#d85f16;
  --ink:#16222E;
  --text:#42566B;
  --muted:#8496A8;
  --line:#E3E9EF;
  --bg:#F4F7FA;
  --white:#fff;
  --shadow-s:0 2px 10px rgba(12,60,100,.06);
  --shadow-m:0 8px 28px rgba(12,60,100,.10);
  --shadow-l:0 16px 44px rgba(12,60,100,.16);
  --radius:4px;
  --container:1200px;
  --header-h:82px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--white);color:var(--text);
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",Arial,sans-serif;
  font-size:15px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:700;line-height:1.35;margin:0}
p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand-l);outline-offset:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:999}
.skip-link:focus{left:0}

/* 图标：用 CSS 画的简单符号，避免引入字体文件 */
.ic{display:inline-block;width:14px;height:14px;vertical-align:-2px;margin-right:6px;background:currentColor;
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center;-webkit-mask-size:contain;mask-size:contain}
.ic-tel{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15 15 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25 11.4 11.4 0 0 0 3.6.58 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1 11.4 11.4 0 0 0 .58 3.6 1 1 0 0 1-.25 1z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15 15 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25 11.4 11.4 0 0 0 3.6.58 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1 11.4 11.4 0 0 0 .58 3.6 1 1 0 0 1-.25 1z'/%3E%3C/svg%3E")}
.ic-mob{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 2h10a2 2 0 0 1 2 2v16a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm4 16h2v2h-2z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 2h10a2 2 0 0 1 2 2v16a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm4 16h2v2h-2z'/%3E%3C/svg%3E")}
.ic-mail{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 5h18v14H3zm2 2v.2l7 5 7-5V7z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 5h18v14H3zm2 2v.2l7 5 7-5V7z'/%3E%3C/svg%3E")}
.ic-addr{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a7 7 0 0 1 7 7c0 5-7 13-7 13S5 14 5 9a7 7 0 0 1 7-7zm0 4.5A2.5 2.5 0 1 0 12 11a2.5 2.5 0 0 0 0-4.5z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a7 7 0 0 1 7 7c0 5-7 13-7 13S5 14 5 9a7 7 0 0 1 7-7zm0 4.5A2.5 2.5 0 1 0 12 11a2.5 2.5 0 0 0 0-4.5z'/%3E%3C/svg%3E")}
.ic-msg{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 4h16v12H8l-4 4z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 4h16v12H8l-4 4z'/%3E%3C/svg%3E")}
.ic-top{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 4l8 8h-5v8H9v-8H4z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 4l8 8h-5v8H9v-8H4z'/%3E%3C/svg%3E")}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-d2);color:rgba(255,255,255,.82);font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:38px}
.tb-welcome{opacity:.9}
.tb-links{display:flex;gap:22px;align-items:center}
.tb-links a{color:var(--accent)}
.tb-links a:hover{color:#fff}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.is-stuck{box-shadow:var(--shadow-m)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}
.brand-logo{width:56px;height:56px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:21px;color:var(--brand);letter-spacing:.5px;font-weight:700}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.6px}

.main-nav>ul{display:flex;gap:4px;height:var(--header-h);align-items:center}
.nav-item{position:relative}
.nav-item>a{display:block;padding:0 20px;height:var(--header-h);line-height:var(--header-h);
  font-size:16px;color:var(--ink);font-weight:500;position:relative}
.nav-item>a::after{content:"";position:absolute;left:20px;right:20px;bottom:16px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-item:hover>a,.nav-item.is-active>a{color:var(--brand)}
.nav-item:hover>a::after,.nav-item.is-active>a::after{transform:scaleX(1)}
.nav-item.is-active>a{font-weight:700}
.dropdown{position:absolute;left:0;top:100%;min-width:150px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-m);opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;padding:6px 0}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 18px;font-size:14px;color:var(--text);white-space:nowrap}
.dropdown a:hover{background:var(--brand-xl);color:var(--brand)}

.nav-toggle{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--brand);transition:.25s}

/* ---------- 首页大图 ---------- */
.hero{position:relative;min-height:540px;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(115deg,#072F4E 0%,#0C588E 48%,#1274B0 100%)}
.hero-bg{position:absolute;inset:0;background:url(/assets/img/banner.jpg) center/cover no-repeat;opacity:.20}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,47,78,.92) 0%,rgba(6,47,78,.55) 45%,rgba(6,47,78,.15) 100%)}
.hero-inner{position:relative;z-index:2;padding:96px 0 108px;color:#fff;max-width:760px}
.hero-tag{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--accent);
  border:1px solid rgba(243,113,34,.55);padding:5px 14px;margin-bottom:22px}
.hero h1{color:#fff;font-size:44px;line-height:1.28;letter-spacing:1px;margin-bottom:20px}
.hero h1 em{font-style:normal;color:#8FD3F5}
.hero-lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.84);max-width:640px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 30px;
  font-size:15px;border-radius:var(--radius);transition:.22s;font-weight:500}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d);transform:translateY(-2px);box-shadow:0 8px 20px rgba(243,113,34,.32)}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.btn-line{border:1px solid var(--brand);color:var(--brand)}
.btn-line:hover{background:var(--brand);color:#fff}
.btn-sm{height:38px;padding:0 20px;font-size:14px}

/* 首页快捷入口 */
.quick-links{position:relative;z-index:3;margin-top:-56px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;box-shadow:var(--shadow-l);border-radius:var(--radius);overflow:hidden}
.quick-item{padding:26px 24px;border-right:1px solid var(--line);display:flex;gap:14px;align-items:center;transition:.25s}
.quick-item:last-child{border-right:0}
.quick-item:hover{background:var(--brand-xl)}
.quick-num{font-size:30px;font-weight:700;color:var(--brand-l);opacity:.35;line-height:1}
.quick-item h4{font-size:16px;margin-bottom:2px}
.quick-item span{font-size:12px;color:var(--muted)}

/* ---------- 区块通用 ---------- */
.section{padding:78px 0}
.section.bg{background:var(--bg)}
.section-head{text-align:center;margin-bottom:46px}
.section-head .en{display:block;font-size:13px;letter-spacing:3px;color:var(--brand-l);text-transform:uppercase;margin-bottom:8px}
.section-head h2{font-size:32px;letter-spacing:1px}
.section-head .bar{width:52px;height:3px;background:var(--accent);margin:16px auto 0;border-radius:2px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px}
.section-head.left{text-align:left}
.section-head.left .bar{margin-left:0}

/* ---------- 关于我们 ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.about-pic{position:relative}
.about-pic img{border-radius:var(--radius);box-shadow:var(--shadow-m)}
.about-pic .badge{position:absolute;left:0;bottom:0;background:var(--brand);color:#fff;padding:18px 26px;border-radius:0 var(--radius) 0 0}
.about-pic .badge strong{display:block;font-size:26px;line-height:1.2}
.about-pic .badge span{font-size:12px;opacity:.75}
.about-text h3{font-size:26px;margin-bottom:16px}
.about-text .lead{font-size:16px;color:var(--text);margin-bottom:18px}
.about-text p{margin-bottom:14px}
.about-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
.about-point{background:var(--bg);padding:16px 18px;border-left:3px solid var(--brand-l);border-radius:0 var(--radius) var(--radius) 0}
.about-point h5{font-size:15px;margin-bottom:4px}
.about-point span{font-size:13px;color:var(--muted)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.stat{background:linear-gradient(140deg,var(--brand),var(--brand-l));color:#fff;padding:28px 22px;border-radius:var(--radius);text-align:center}
.stat strong{display:block;font-size:36px;line-height:1.1;margin-bottom:6px}
.stat span{font-size:14px;opacity:.85}

/* ---------- 业务/产品卡 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.biz-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.28s;display:flex;min-height:210px}
.biz-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:transparent}
.biz-card .biz-ico{flex:0 0 92px;background:linear-gradient(150deg,var(--brand),var(--brand-l));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:30px;font-weight:700;letter-spacing:1px}
.biz-body{padding:26px 24px}
.biz-body h3{font-size:20px;margin-bottom:10px}
.biz-body p{font-size:14px;color:var(--muted);margin-bottom:14px}
.biz-more{font-size:14px;color:var(--brand-l)}
.biz-more::after{content:" ?";transition:.2s;display:inline-block}
.biz-card:hover .biz-more::after{transform:translateX(4px)}

.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);border-color:transparent}
.p-thumb{position:relative;aspect-ratio:4/3;background:#F0F4F8;overflow:hidden}
.p-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.p-card:hover .p-thumb img{transform:scale(1.07)}
.p-tag{position:absolute;left:0;top:12px;background:var(--accent);color:#fff;font-size:12px;padding:3px 10px;border-radius:0 var(--radius) var(--radius) 0}
.p-tag.new{background:var(--brand-l)}
.p-body{padding:18px 18px 20px;flex:1;display:flex;flex-direction:column}
.p-body h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.p-body .cat{font-size:12px;color:var(--brand-l);margin-bottom:8px}
.p-body .txt{font-size:13px;color:var(--muted);flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.adv-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;transition:.28s;position:relative;overflow:hidden}
.adv-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:.3s}
.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.adv-card:hover::before{transform:scaleX(1)}
.adv-ico{width:52px;height:52px;border-radius:50%;background:var(--brand-xl);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin-bottom:16px}
.adv-card h3{font-size:17px;margin-bottom:8px}
.adv-card p{font-size:13.5px;color:var(--muted)}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.n-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.28s;display:flex;flex-direction:column;gap:12px}
.n-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:transparent}
.n-card h3{font-size:17px;line-height:1.6;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.n-card p{font-size:13.5px;color:var(--muted);flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.n-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);padding-top:12px;border-top:1px dashed var(--line)}
.n-meta .date{color:var(--brand-l)}

.list-pager{display:flex;justify-content:center;gap:8px;margin-top:44px}

/* ---------- 分类切换 ---------- */
.cat-tabs{display:flex;justify-content:center;gap:10px;margin-bottom:40px;flex-wrap:wrap}
.cat-tab{padding:9px 26px;border:1px solid var(--line);border-radius:100px;font-size:15px;color:var(--text);background:#fff;transition:.2s}
.cat-tab:hover{border-color:var(--brand-l);color:var(--brand-l)}
.cat-tab.is-on{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 联系我们 CTA ---------- */
.cta{background:linear-gradient(115deg,var(--brand-d2),var(--brand));color:#fff;padding:56px 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.05)}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;position:relative;z-index:2}
.cta h3{color:#fff;font-size:26px;margin-bottom:8px}
.cta p{color:rgba(255,255,255,.78);font-size:15px}
.cta-tel{font-size:30px;font-weight:700;color:#fff;letter-spacing:1px}
.cta-tel small{display:block;font-size:12px;font-weight:400;opacity:.7;letter-spacing:1px}

/* ---------- 内页横幅 ---------- */
.page-banner{background:linear-gradient(115deg,var(--brand-d2),var(--brand) 60%,var(--brand-l));color:#fff;padding:56px 0 34px;position:relative}
.page-banner h1{color:#fff;font-size:32px;letter-spacing:1px}
.page-banner p{color:rgba(255,255,255,.75);margin-top:6px}
.crumb{margin-top:16px;font-size:13px;color:rgba(255,255,255,.6)}
.crumb a{color:rgba(255,255,255,.85)}
.crumb a:hover{color:var(--accent)}
.crumb span,.crumb em{margin:0 6px;font-style:normal}

/* ---------- 文章 / 正文 ---------- */
.prose{font-size:15.5px;line-height:2;color:#3D4E60}
.prose p{margin-bottom:16px}
.prose img,.prose figure{margin:22px 0;border-radius:var(--radius);overflow:hidden}
.prose img{width:100%;height:auto}
.prose h3,.prose h4{font-size:19px;margin:26px 0 12px}
.prose a{color:var(--brand-l)}
.prose a:hover{color:var(--accent)}
.prose strong{color:var(--ink)}

.article{max-width:900px;margin:0 auto}
.article-head{text-align:center;padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.article-head h1{font-size:30px;line-height:1.45;margin-bottom:14px}
.article-meta{display:flex;justify-content:center;gap:22px;font-size:13.5px;color:var(--muted);flex-wrap:wrap}
.article-meta .date{color:var(--brand-l)}
.article-body{padding-bottom:20px}
.article-foot{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px}
.article-foot a{color:var(--brand)}

.related{margin-top:56px}
.related h3{font-size:20px;margin-bottom:20px;padding-left:12px;border-left:4px solid var(--accent)}

/* ---------- 内容页（公司简介等） ---------- */
.page-body{background:var(--bg);padding:52px 0}
.page-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px 44px;box-shadow:var(--shadow-s)}
.culture-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:8px}
.culture-item{background:var(--bg);border-left:3px solid var(--brand-l);padding:18px 20px;border-radius:0 var(--radius) var(--radius) 0}
.culture-item h4{font-size:16px;margin-bottom:6px;color:var(--brand)}
.culture-item p{font-size:14px;color:var(--text)}

/* ---------- 职位 ---------- */
.job-list{display:grid;gap:16px}
.job-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;transition:.25s;flex-wrap:wrap}
.job-card:hover{transform:translateX(4px);box-shadow:var(--shadow-m);border-color:transparent}
.job-card h3{font-size:18px;margin-bottom:8px}
.job-card .tags{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.job-card .tags span{background:var(--bg);padding:3px 12px;border-radius:100px}
.job-card .go{color:var(--brand-l);font-size:14px;white-space:nowrap}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:start}
.contact-list{display:grid;gap:14px}
.contact-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;transition:.25s}
.contact-item:hover{box-shadow:var(--shadow-m);border-color:transparent}
.contact-ico{width:48px;height:48px;flex:0 0 48px;border-radius:var(--radius);background:var(--brand-xl);
  color:var(--brand);display:flex;align-items:center;justify-content:center}
.contact-ico .ic{width:20px;height:20px;margin:0}
.contact-item h4{font-size:15px;color:var(--muted);font-weight:400;margin-bottom:4px}
.contact-item p{font-size:16px;color:var(--ink);font-weight:600;line-height:1.6}
.map-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.map-box img{border-radius:var(--radius);width:100%}
.map-box figcaption{margin-top:14px;font-size:13px;color:var(--muted);text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-d2);color:rgba(255,255,255,.72)}
.footer-top{display:grid;grid-template-columns:1.6fr .9fr .9fr .9fr 1.2fr;gap:34px;padding:56px 0 44px}
.foot-logo{display:flex;gap:14px;align-items:center;margin-bottom:18px}
.foot-logo img{width:52px;height:52px;object-fit:contain;background:#fff;border-radius:var(--radius);padding:4px}
.foot-logo strong{display:block;color:#fff;font-size:16px}
.foot-logo em{font-style:normal;font-size:11px;opacity:.55;letter-spacing:.5px}
.foot-desc{font-size:13.5px;line-height:1.9;margin-bottom:18px}
.foot-contact li{display:flex;align-items:flex-start;font-size:13.5px;margin-bottom:9px}
.foot-contact .ic{opacity:.65;margin-top:5px}
.foot-col h3{color:#fff;font-size:16px;margin-bottom:18px;position:relative;padding-bottom:10px}
.foot-col h3::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--accent)}
.foot-links li{margin-bottom:11px;font-size:13.5px}
.foot-links a:hover{color:var(--accent)}
.foot-map img{border-radius:var(--radius);opacity:.85;width:100%}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
.fb-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.fb-links{display:flex;gap:20px}
.fb-links a:hover{color:var(--accent)}

/* ---------- 右侧浮动条 ---------- */
.float-bar{position:fixed;right:12px;bottom:60px;z-index:90;display:flex;flex-direction:column;gap:1px;
  box-shadow:var(--shadow-m);border-radius:var(--radius);overflow:hidden}
.fb-item{background:#fff;color:var(--text);font-size:12px;padding:9px 8px;display:flex;flex-direction:column;
  align-items:center;gap:4px;width:56px;transition:.2s}
.fb-item .ic{margin:0;width:16px;height:16px;color:var(--brand)}
.fb-item:hover{background:var(--brand);color:#fff}
.fb-item:hover .ic{color:#fff}
.fb-top{opacity:0;visibility:hidden}
.fb-top.is-on{opacity:1;visibility:visible}

/* ---------- 提示条 ---------- */
.notice{margin-top:18px;background:var(--brand-xl);border-left:4px solid var(--brand-l);padding:14px 18px;
  font-size:13.5px;color:var(--text);border-radius:0 var(--radius) var(--radius) 0}
.notice b{color:var(--brand)}

/* ---------- 404 ---------- */
.err404{padding:110px 0;text-align:center}
.err404 .code{font-size:96px;font-weight:700;color:var(--brand-xl);line-height:1}
.err404 h2{font-size:26px;margin:12px 0 14px}
.err404 p{color:var(--muted);margin-bottom:28px}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* ========================= 响应式 ========================= */
@media (max-width:1100px){
  .nav-item>a{padding:0 13px;font-size:15px}
  .nav-item>a::after{left:13px;right:13px}
  .brand-text strong{font-size:18px}
  .product-grid,.adv-grid{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1.5fr 1fr 1fr;gap:30px}
  .foot-map{display:none}
}
@media (max-width:900px){
  :root{--header-h:66px}
  .topbar-inner{height:auto;padding:6px 0;flex-direction:column;gap:2px;text-align:center}
  .tb-links{gap:14px;font-size:12px;flex-wrap:wrap;justify-content:center}
  .nav-toggle{display:flex}
  .main-nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-l);max-height:0;overflow:hidden;transition:max-height .3s}
  .main-nav.is-open{max-height:70vh;overflow-y:auto}
  .main-nav>ul{display:block;height:auto}
  .nav-item>a{height:auto;line-height:1.6;padding:13px 20px;border-bottom:1px solid var(--line)}
  .nav-item>a::after{display:none}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;display:none;
    background:var(--bg);padding:0}
  .nav-item.is-open .dropdown{display:block}
  .dropdown a{padding:10px 34px;font-size:14px}
  .hero{min-height:auto}
  .hero-inner{padding:64px 0 92px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:15px}
  .quick-links{margin-top:-40px}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .quick-item{border-bottom:1px solid var(--line)}
  .section{padding:54px 0}
  .section-head h2{font-size:25px}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:34px}
  .biz-grid{grid-template-columns:1fr}
  .product-grid,.news-grid,.adv-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .page-card{padding:26px 20px}
  .culture-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-top{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:560px){
  .product-grid,.news-grid,.adv-grid,.stats{grid-template-columns:1fr}
  .about-points{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .hero h1{font-size:25px}
  .brand-text em{display:none}
  .brand-logo{width:42px;height:42px}
  .float-bar{bottom:auto;top:50%;transform:translateY(-50%);right:0}
  .fb-item{width:44px;padding:8px 4px;font-size:11px}
  .article-head h1{font-size:23px}
  .page-banner h1{font-size:24px}
  .footer-top{grid-template-columns:1fr}
  .cta-tel{font-size:24px}
}

/* ========================= 施工状况 / 合作单位 ========================= */
.block-title{font-size:21px;margin:38px 0 18px;padding-left:13px;position:relative;color:var(--ink)}
.block-title::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--accent)}

/* 年度工程表格 */
.eng-records{margin-top:8px}
.eng-year{display:flex;align-items:baseline;gap:12px;margin:30px 0 12px}
.eng-year-num{font-size:30px;font-weight:800;color:var(--brand);letter-spacing:1px}
.eng-year-label{font-size:14px;color:var(--muted)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
.eng-table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
.eng-table th,.eng-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.eng-table thead th{background:var(--brand-xl);color:var(--brand-d);font-weight:700}
.eng-table tbody tr:nth-child(even){background:#FBFCFE}
.eng-table tbody tr:last-child td{border-bottom:0}
.eng-table tbody tr:hover{background:var(--brand-xl)}

/* 工程案例图集 */
.case-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:6px}
.case-item{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-s);transition:transform .25s,box-shadow .25s}
.case-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.case-item img{width:100%;height:170px;object-fit:cover}
.case-item figcaption{padding:10px 12px;font-size:13.5px;color:var(--text);text-align:center;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 合作单位 logo 墙（按行业分组） */
.partner-group{margin-top:28px}
.partner-group:first-of-type{margin-top:12px}
.partner-group-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;
  padding-bottom:10px;border-bottom:2px solid var(--line)}
.partner-group-ic{flex:0 0 auto;width:42px;height:42px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff;
  box-shadow:0 4px 12px rgba(28,66,134,.25)}
.partner-group-ic svg{width:23px;height:23px}
.partner-group-tit{font-size:18px;font-weight:700;color:var(--ink)}
.partner-group-cnt{margin-left:auto;font-size:13px;font-weight:600;color:var(--brand);
  background:#eef3fb;padding:4px 12px;border-radius:20px;white-space:nowrap}
.partner-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:8px}
.partner-card{display:flex;align-items:center;justify-content:center;
  min-height:72px;padding:12px 14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);font-size:16px;font-weight:600;letter-spacing:.5px;
  color:var(--brand);text-align:center;line-height:1.3;cursor:default;
  transition:border-color .2s,box-shadow .2s,transform .2s,color .2s}
.partner-card:hover{border-color:var(--accent);color:var(--accent);
  box-shadow:0 6px 18px rgba(232,116,33,.16);transform:translateY(-3px)}

@media (max-width:900px){
  .case-gallery{grid-template-columns:repeat(2,1fr)}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .case-item img{height:150px}
}
@media (max-width:560px){
  .case-gallery,.partner-grid{grid-template-columns:repeat(2,1fr)}
  .eng-year-num{font-size:25px}
  .partner-card{font-size:14px;min-height:60px;padding:10px}
}