/* ============================================================
   兴化市邦辉不锈钢经营部 · 官网首页样式
   配色参考不锈钢/机械设备行业：钢蓝 + 工业橙 + 清灰
   ============================================================ */
:root{
  --primary:#0f6ab8;
  --primary-2:#0a5aa0;
  --primary-dark:#0b3d6e;
  --primary-deep:#082b4f;
  --accent:#f59b2b;
  --accent-2:#ffb84d;
  --ink:#16222f;
  --text:#3a4654;
  --muted:#7d8a9a;
  --line:#e6edf5;
  --bg:#f5f8fc;
  --white:#ffffff;
  --shadow-sm:0 6px 24px rgba(11,61,110,.08);
  --shadow-md:0 14px 40px rgba(11,61,110,.14);
  --radius:14px;
  --header-h:76px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;transition:color .25s ease;}
ul,ol{list-style:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
/*.container{width:min(1240px,92%);margin:0 auto;}*/
.container{width:min(1400px,92%);margin:0 auto;}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 30px;border-radius:40px;font-size:15px;font-weight:600;
  transition:all .3s ease;border:1px solid transparent;white-space:nowrap;
}
.btn i{font-size:14px;transition:transform .3s ease;}
.btn:hover i{transform:translateX(4px);}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#3b2405;box-shadow:0 8px 22px rgba(245,155,43,.35);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(245,155,43,.5);}
.btn-ghost{
  background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);
  backdrop-filter:blur(4px);
}
.btn-ghost:hover{background:rgba(255,255,255,.25);}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:999;
  height:var(--header-h);
  background:rgba(6,20,38,.18);
  transition:background .35s ease,box-shadow .35s ease,height .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 4px 24px rgba(11,61,110,.1);
  height:66px;
  backdrop-filter:blur(10px);
}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;}

.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{
  width:46px;height:46px;flex:none;display:grid;place-items:center;
  border-radius:12px;font-size:24px;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 6px 16px rgba(245,155,43,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:19px;font-weight:700;color:#fff;letter-spacing:.5px;transition:color .35s ease;}
.brand-text em{font-size:10px;color:rgba(255,255,255,.72);letter-spacing:1.2px;text-transform:uppercase;transition:color .35s ease;}
.site-header.scrolled .brand-text strong{color:var(--ink);}
.site-header.scrolled .brand-text em{color:var(--muted);}

.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
  display:block;padding:9px 16px;font-size:15.5px;font-weight:500;color:#fff;
  position:relative;border-radius:8px;transition:color .25s ease,background .25s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:var(--accent-2);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.main-nav a:hover,.main-nav a.active{color:var(--accent-2);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.site-header.scrolled .main-nav a{color:var(--ink);}
.site-header.scrolled .main-nav a:hover,
.site-header.scrolled .main-nav a.active{color:var(--primary);}
.site-header.scrolled .main-nav a::after{background:var(--accent);}

.header-right{display:flex;align-items:center;gap:14px;}
.header-tel{display:flex;align-items:center;gap:8px;color:#fff;font-weight:600;font-size:15px;}
.header-tel i{
  width:34px;height:34px;display:grid;place-items:center;border-radius:50%;
  background:rgba(255,255,255,.16);font-size:16px;transition:all .3s ease;
}
.header-tel:hover i{background:var(--accent);color:#3b2405;transform:rotate(-12deg);}
.site-header.scrolled .header-tel{color:var(--primary);}
.site-header.scrolled .header-tel i{background:rgba(15,106,184,.1);}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;place-items:center;
  color:#fff;font-size:22px;background:rgba(255,255,255,.15);
}
.site-header.scrolled .nav-toggle{color:var(--ink);background:var(--bg);}

/* ============ Banner 轮播 ============ */
.banner{height:100vh;min-height:620px;position:relative;overflow:hidden;}
.banner-swiper{width:100%;height:100%;}
.banner-swiper .swiper-slide{position:relative;overflow:hidden;}
.banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.02);}
.swiper-slide-active .banner-bg{animation:kenburns 7.5s ease-out forwards;}
@keyframes kenburns{from{transform:scale(1.02);}to{transform:scale(1.14);}}
.banner-overlay{
  position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(6,20,38,.82) 0%,rgba(8,43,79,.55) 45%,rgba(8,43,79,.25) 100%);
}
.banner-content{
  position:relative;z-index:3;height:100%;display:flex;flex-direction:column;
  justify-content:center;align-items:flex-start;max-width:720px;margin-left:max(4%,calc((100% - 1240px)/2));
}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:30px;
  background:rgba(245,155,43,.16);border:1px solid rgba(255,184,77,.5);
  color:var(--accent-2);font-size:14px;font-weight:600;letter-spacing:1px;margin-bottom:22px;
}
.banner-tag i{font-size:16px;}
.banner-content h1{
  font-size:clamp(32px,5vw,58px);font-weight:800;color:#fff;line-height:1.2;
  letter-spacing:1px;margin-bottom:20px;
}
.banner-content h1 span{color:var(--accent-2);}
.banner-content p{font-size:clamp(15px,1.6vw,19px);color:rgba(255,255,255,.86);max-width:600px;margin-bottom:34px;}
.banner-btns{display:flex;flex-wrap:wrap;gap:16px;}

.banner-pagination{position:absolute;bottom:54px;left:50%;transform:translateX(-50%);z-index:5;}
.banner-pagination .swiper-pagination-bullet{
  width:28px;height:4px;border-radius:4px;background:rgba(255,255,255,.4);opacity:1;
  transition:all .3s ease;
}
.banner-pagination .swiper-pagination-bullet-active{width:46px;background:var(--accent-2);}

.banner-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  color:#fff;font-size:20px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  transition:all .3s ease;cursor:pointer;
}
.banner-nav:hover{background:var(--accent);border-color:var(--accent);color:#3b2405;}
.banner-prev{left:26px;}
.banner-next{right:26px;}

.banner-scroll{
  position:absolute;bottom:20px;left:50%;transform:translateX(-50%);z-index:5;
  display:flex;flex-direction:column;align-items:center;gap:4px;color:rgba(255,255,255,.8);font-size:12px;
}
.banner-scroll i{font-size:20px;animation:bounce 1.6s infinite;}
@keyframes bounce{0%,100%{transform:translateY(0);}50%{transform:translateY(6px);}}

/* ============ 区块通用 ============ */
.section{padding:96px 0;}
.section-head{text-align:center;max-width:680px;margin:0 auto 56px;}
.section-tag{
  display:inline-flex;align-items:center;gap:7px;padding:7px 18px;border-radius:30px;
  background:rgba(15,106,184,.08);color:var(--primary);font-size:14px;font-weight:600;margin-bottom:16px;
}
.section-tag i{font-size:15px;}
.section-title{font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--ink);letter-spacing:1px;margin-bottom:12px;}
.section-desc{color:var(--muted);font-size:15.5px;}

/* 滑入动画 */
.reveal{transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1);will-change:transform;}
html.js .reveal{opacity:0;}
html.js .reveal-up{transform:translateY(44px);}
html.js .reveal-left{transform:translateX(-56px);}
html.js .reveal-right{transform:translateX(56px);}
html.js .reveal-zoom{transform:scale(.88);}

/* ============ 推荐产品 ============ */
.products{background:var(--bg);}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.product-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .4s ease,box-shadow .4s ease;border:1px solid transparent;
}
.product-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-md);border-color:rgba(15,106,184,.12);}
.product-media{position:relative;display:block;height:230px;overflow:hidden;}
.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.product-card:hover .product-media img{transform:scale(1.1);}
.product-cat{
  position:absolute;top:16px;left:16px;padding:4px 14px;border-radius:20px;
  background:rgba(15,106,184,.9);color:#fff;font-size:12.5px;letter-spacing:1px;
}
.product-veil{
  position:absolute;left:0;right:0;bottom:-54px;height:54px;display:flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-size:14px;font-weight:600;
  transition:bottom .4s ease;
}
.product-card:hover .product-veil{bottom:0;}
.product-veil i{font-size:14px;}
.product-body{padding:20px 22px 24px;}
.product-body h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.product-body h3 a:hover{color:var(--primary);}
.product-body p{color:var(--muted);font-size:14px;}

/* ============ 我们的优势 ============ */
.advantage{position:relative;overflow:hidden;}
.advantage::before{
  content:"";position:absolute;right:-160px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,106,184,.08),transparent 70%);
}
.advantage::after{
  content:"";position:absolute;left:-140px;bottom:-160px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,155,43,.09),transparent 70%);
}
.advantage-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.advantage-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 30px;transition:all .4s ease;overflow:hidden;
}
.advantage-item::before{
  content:"";position:absolute;left:0;top:0;width:4px;height:0;background:linear-gradient(var(--accent),var(--accent-2));
  transition:height .4s ease;
}
.advantage-item:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:transparent;}
.advantage-item:hover::before{height:100%;}
.adv-icon{
  width:68px;height:68px;border-radius:16px;display:grid;place-items:center;font-size:32px;
  color:var(--primary);background:linear-gradient(135deg,rgba(15,106,184,.1),rgba(15,106,184,.04));
  margin-bottom:20px;transition:all .4s ease;
}
.adv-icon .iconfont{font-size: 40px;}
.advantage-item:hover .adv-icon{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));transform:rotateY(180deg);}
.advantage-item h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.advantage-item p{color:var(--muted);font-size:14.5px;}

/* ============ 公司介绍 ============ */
.about{background:var(--bg);}
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center;}
.about-media{position:relative;}
.about-img{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);}
.about-img img{width:100%;height:460px;object-fit:cover;transition:transform .6s ease;}
.about-img:hover img{transform:scale(1.05);}
.about-badge{
  position:absolute;right:20px;bottom:20px;background:rgba(255,255,255,.95);border-radius:16px;
  padding:16px 22px;text-align:center;box-shadow:0 10px 30px rgba(8,43,79,.2);
}
.about-badge strong{display:block;font-size:38px;font-weight:800;color:var(--primary);line-height:1;}
.about-badge strong em{font-style:normal;font-size:20px;color:var(--accent);}
.about-badge span{font-size:13px;color:var(--muted);}
.about-body .section-title{text-align:left;font-size:clamp(24px,3vw,34px);}
.about-text{margin:16px 0 0;color:var(--text);font-size:15.5px;}
.about-features{margin:24px 0 28px;display:grid;grid-template-columns:1fr;gap:12px;}
.about-features li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--ink);font-weight:500;}
.about-features i{color:var(--accent);font-size:18px;}

.stats{
  margin-top:76px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:linear-gradient(120deg,var(--primary-deep),var(--primary-dark));border-radius:20px;
  padding:42px 30px;position:relative;overflow:hidden;
}
.stats::before{
  content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 15%,rgba(245,155,43,.25),transparent 55%);
}
.stat-item{position:relative;text-align:center;color:#fff;padding:6px 10px;}
.stat-item>i{position:absolute;right:6px;top:-8px;font-size:30px;color:rgba(255,255,255,.14);}
.stat-num{font-size:42px;font-weight:800;line-height:1;color:var(--accent-2);}
.stat-num em{font-style:normal;font-size:26px;margin-left:2px;}
.stat-item p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.85);letter-spacing:1px;}

/* ============ 公司新闻 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:all .4s ease;border:1px solid transparent;}
.news-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-md);border-color:rgba(15,106,184,.12);}
.news-media{position:relative;display:block;height:210px;overflow:hidden;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.news-card:hover .news-media img{transform:scale(1.08);}
.news-date{
  position:absolute;left:16px;bottom:14px;display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:20px;background:rgba(8,43,79,.72);color:#fff;font-size:12.5px;
}
.news-date i{color:var(--accent-2);}
.news-body{padding:22px 24px 26px;}
.news-body h3{font-size:17.5px;font-weight:700;color:var(--ink);margin-bottom:10px;line-height:1.5;}
.news-body h3 a:hover{color:var(--primary);}
.news-body p{color:var(--muted);font-size:14px;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;}
.news-more i{transition:transform .3s ease;}
.news-more:hover{color:var(--accent);}
.news-more:hover i{transform:translateX(4px);}

/* ============ 底部 ============ */
.footer{background:var(--primary-deep);color:rgba(255,255,255,.78);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:44px;padding-bottom:48px;}
.footer h4{color:#fff;font-size:17px;font-weight:700;margin-bottom:22px;position:relative;padding-left:14px;}
.footer h4::before{content:"";position:absolute;left:0;top:2px;width:4px;height:18px;border-radius:3px;background:linear-gradient(var(--accent),var(--accent-2));}
.brand-light .brand-logo{background:linear-gradient(135deg,var(--accent),var(--accent-2));}
.brand-light .brand-text strong{color:#fff;font-size:18px;}
.brand-light .brand-text em{color:rgba(255,255,255,.55);}
.footer-brand p{margin:18px 0 22px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.65);}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:18px;
  background:rgba(255,255,255,.08);color:#fff;transition:all .3s ease;
}
.footer-social a:hover{background:var(--accent);color:#3b2405;transform:translateY(-4px);}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);transition:all .25s ease;display:inline-flex;align-items:center;gap:6px;}
.footer-col ul li a::before{content:"›";color:var(--accent-2);font-weight:700;}
.footer-col ul li a:hover{color:var(--accent-2);padding-left:4px;}
.footer-contact ul li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:14px;}
.footer-contact ul li i{color:var(--accent-2);font-size:16px;margin-top:4px;flex:none;line-height:20px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13.5px;color:rgba(255,255,255,.55);}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:26px;bottom:34px;z-index:998;width:48px;height:48px;border-radius:12px;
  display:grid;place-items:center;font-size:20px;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 10px 26px rgba(15,106,184,.35);
  opacity:0;visibility:hidden;transform:translateY(16px);transition:all .35s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#3b2405;transform:translateY(-4px);}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .products-grid{grid-template-columns:repeat(3,1fr);gap:22px;}
  .about-grid{gap:42px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
  .footer-contact{grid-column:1 / -1;}
}
@media (max-width:992px){
  .nav-toggle{display:grid;}
  .main-nav{
    position:fixed;top:var(--header-h);right:0;left:0;z-index:990;
    background:rgba(255,255,255,.98);box-shadow:0 16px 30px rgba(11,61,110,.14);
    max-height:0;overflow:hidden;transition:max-height .4s ease;
  }
  .site-header.scrolled .main-nav{top:66px;}
  .main-nav.open{max-height:420px;}
  .main-nav ul{flex-direction:column;align-items:stretch;padding:12px 4%;gap:0;}
  .main-nav a{color:var(--ink);padding:13px 16px;font-size:16px;border-radius:10px;}
  .main-nav a::after{display:none;}
  .main-nav a:hover,.main-nav a.active{background:rgba(15,106,184,.08);color:var(--primary);}
  .site-header.scrolled .main-nav a{color:var(--ink);}
  .header-tel span{display:none;}

  .products-grid{grid-template-columns:repeat(2,1fr);}
  .advantage-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card:last-child{grid-column:1 / -1;}
  .about-grid{grid-template-columns:1fr;}
  .about-img img{height:auto;max-height:420px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:32px 18px;}
  .banner-nav{display:none;}
}
@media (max-width:640px){
  .section{padding:68px 0;}
  .section-head{margin-bottom:40px;}
  .brand-text strong{font-size:16px;}
  .brand-text em{display:none;}
  .brand-logo{width:40px;height:40px;font-size:20px;border-radius:10px;}
  .products-grid{grid-template-columns:1fr;gap:20px;}
  .advantage-grid{grid-template-columns:1fr;gap:18px;}
  .news-grid{grid-template-columns:1fr;}
  .news-card:last-child{grid-column:auto;}
  .banner-content{max-width:100%;margin-left:4%;margin-right:4%;}
  .banner-content h1{font-size:30px;}
  .banner-btns .btn{padding:11px 22px;font-size:14px;}
  .banner-scroll{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);padding:32px 18px;}
  .stat-num{font-size:34px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-contact{grid-column:auto;}
  .footer-bottom-inner{justify-content:center;text-align:center;}
  .back-top{right:16px;bottom:20px;width:44px;height:44px;}
}

/* ============ 细节修正 ============ */
/* 锚点定位偏移，避免被固定导航遮挡 */
#products,#advantage,#about,#news,#contact{scroll-margin-top:84px;}
/* banner 滚动提示移到右下角，避免与分页器重叠 */
.banner-scroll{left:auto;right:32px;transform:none;align-items:center;}

html.js .reveal.in-view{opacity:1;transform:none;}
/* Swiper 未加载时的静态首屏兜底 */
.no-swiper .swiper-slide:not(:first-child){display:none;}
.no-swiper .banner-pagination,.no-swiper .banner-nav,.no-swiper .banner-scroll{display:none;}
/* ============================================================
   内页通用样式（页头 / 面包屑 / 各板块）
   ============================================================ */
.section-tight{padding:60px 0;}
.page-hero{position:relative;height:340px;background-size:cover;background-position:center;display:flex;align-items:center;overflow:hidden;}
.page-hero-sm{height:220px;}
.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,20,38,.88),rgba(8,43,79,.62));}
.page-hero-inner{position:relative;z-index:2;color:#fff;}
.page-hero-inner h1{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:2px;}
.breadcrumb{margin-top:14px;display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:14px;color:rgba(255,255,255,.8);}
.breadcrumb a{color:#fff;display:inline-flex;align-items:center;gap:6px;}
.breadcrumb a:hover{color:var(--accent-2);}
.breadcrumb i{font-size:12px;color:var(--accent-2);}
.breadcrumb span{color:rgba(255,255,255,.85);}

/* 查看更多 */
.section-more{margin-top:42px;text-align:center;}
.section-more a{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border-radius:40px;border:1px solid var(--primary);color:var(--primary);font-size:15px;font-weight:600;transition:all .3s ease;}
.section-more a:hover{background:var(--primary);color:#fff;gap:12px;}

/* 按钮变体 */
.btn-line{background:transparent;border:1px solid var(--primary);color:var(--primary);}
.btn-line:hover{background:var(--primary);color:#fff;}
.about-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px;}

/* 公司介绍内页 */
.intro-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center;}
.intro-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);}
.intro-img img{width:100%;height:440px;object-fit:cover;transition:transform .6s ease;}
.intro-img:hover img{transform:scale(1.05);}
.intro-body .section-title{text-align:left;font-size:clamp(24px,3vw,34px);}
.intro-body p{color:var(--text);font-size:15.5px;margin-top:16px;}

/* 发展历程 */
.timeline{position:relative;max-width:920px;margin:0 auto;padding-left:10px;}
.timeline::before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--primary),var(--accent));}
.timeline-item{position:relative;padding:0 0 34px 42px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{content:"";position:absolute;left:4px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--primary);box-shadow:0 0 0 4px rgba(15,106,184,.12);}
.timeline-year{display:inline-block;padding:2px 12px;border-radius:20px;background:rgba(245,155,43,.15);color:var(--accent);font-weight:700;font-size:14px;margin-bottom:8px;}
.timeline-item h3{font-size:18px;color:var(--ink);margin-bottom:4px;}
.timeline-item p{color:var(--muted);font-size:14.5px;}

/* 企业文化 */
.culture-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.culture-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 26px;text-align:center;transition:all .4s ease;}
.culture-item:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:transparent;}
.culture-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:16px;display:grid;place-items:center;font-size:28px;color:var(--primary);background:linear-gradient(135deg,rgba(15,106,184,.1),rgba(15,106,184,.04));}
.culture-icon .iconfont{font-size:35px;}
.culture-item h3{font-size:18px;color:var(--ink);margin-bottom:10px;}
.culture-item p{color:var(--muted);font-size:14px;}

/* 资质荣誉 */
.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.honor-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 22px;text-align:center;transition:all .4s ease;}
.honor-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.honor-item i{font-size:40px;color:var(--accent);}
.honor-item h3{font-size:16px;color:var(--ink);margin:14px 0 6px;}
.honor-item p{font-size:13px;color:var(--muted);}

/* 服务流程 */
.process-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;counter-reset:step;}
.process-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 18px 24px;text-align:center;transition:all .4s ease;}
.process-item::after{content:counter(step);counter-increment:step;position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:14px;display:grid;place-items:center;box-shadow:0 4px 10px rgba(15,106,184,.3);}
.process-item:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);}
.process-icon{width:58px;height:58px;margin:6px auto 14px;border-radius:14px;display:grid;place-items:center;font-size:26px;color:var(--primary);background:rgba(15,106,184,.08);}
.process-item h3{font-size:16px;color:var(--ink);margin-bottom:6px;}
.process-item p{font-size:13px;color:var(--muted);}

/* 分类筛选 */
.filter-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:42px;}
.filter-btn{padding:9px 22px;border-radius:30px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:14.5px;cursor:pointer;transition:all .3s ease;}
.filter-btn:hover{border-color:var(--primary);color:var(--primary);}
.filter-btn.active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(15,106,184,.25);}
.hide{display:none !important;}
@keyframes popIn{from{opacity:0;transform:scale(.92);}to{opacity:1;transform:scale(1);}}
.pop{animation:popIn .45s ease;}

/* 产品详情 */
.detail-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start;}
.detail-gallery{position:sticky;top:100px;}
.detail-main{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.detail-main .swiper-slide{height:420px;}
.detail-main img{width:100%;height:100%;object-fit:cover;}
.detail-thumbs{margin-top:12px;}
.detail-thumbs .swiper-slide{height:88px;border-radius:10px;overflow:hidden;cursor:pointer;opacity:.55;border:2px solid transparent;transition:all .3s ease;}
.detail-thumbs .swiper-slide-thumb-active{opacity:1;border-color:var(--primary);}
.detail-thumbs img{width:100%;height:100%;object-fit:cover;}
.detail-pagination{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);z-index:5;}
.detail-pagination .swiper-pagination-bullet{background:rgba(255,255,255,.75);opacity:1;}
.detail-pagination .swiper-pagination-bullet-active{background:var(--accent-2);}
.detail-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:#fff;background:rgba(0,0,0,.35);cursor:pointer;transition:all .3s ease;}
.detail-nav:hover{background:var(--accent);color:#3b2405;}
.detail-prev{left:14px;}
.detail-next{right:14px;}
.detail-title{font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--ink);margin:16px 0 12px;}
.detail-desc{color:var(--text);font-size:15px;margin-bottom:18px;}
.detail-features{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;margin-bottom:22px;}
.detail-features li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink);}
.detail-features i{color:var(--accent);}
.spec-table{width:100%;border-collapse:collapse;margin-bottom:24px;font-size:14px;}
.spec-table th,.spec-table td{padding:10px 14px;border:1px solid var(--line);text-align:left;}
.spec-table th{background:rgba(15,106,184,.06);color:var(--ink);width:38%;font-weight:600;}
.spec-table td{color:var(--text);}
.detail-actions{display:flex;flex-wrap:wrap;gap:14px;}
.detail-block{margin-top:56px;}
.block-title{font-size:24px;font-weight:800;color:var(--ink);margin-bottom:20px;padding-left:16px;border-left:4px solid var(--accent);}
.detail-paras p{color:var(--text);font-size:15px;margin-bottom:14px;line-height:2;}
.detail-tags{margin-top:18px;padding:16px 20px;background:var(--bg);border-radius:10px;font-size:14.5px;color:var(--ink);}
.detail-tags span{color:var(--muted);}
.detail-related{margin-top:56px;}

/* 新闻列表 */
.news-list{display:flex;flex-direction:column;gap:26px;}
.news-list-item{display:grid;grid-template-columns:300px 1fr;gap:26px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:all .4s ease;border:1px solid transparent;}
.news-list-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(15,106,184,.12);}
.news-list-item .news-media{height:100%;min-height:200px;}
.news-list-body{padding:26px 28px 26px 0;display:flex;flex-direction:column;justify-content:center;}
.news-list-body h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.news-list-body h3 a:hover{color:var(--primary);}
.news-list-body p{color:var(--muted);font-size:14.5px;margin-bottom:16px;}
.news-meta{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:13px;margin-bottom:10px;}
.news-meta i{color:var(--accent);margin-right:5px;}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:44px;}
.pagination a,.pagination span{min-width:40px;height:40px;padding:0 8px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;transition:all .3s ease;}
.pagination a:hover,.pagination span.current{background:var(--primary);color:#fff;border-color:var(--primary);}

/* 文章详情 */
.article{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:44px 48px;max-width:920px;margin:0 auto;}
.article-title{font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--ink);line-height:1.4;margin-bottom:16px;}
.article-meta{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:14px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:22px;}
.article-meta i{color:var(--accent);margin-right:5px;}
.article-lead{font-size:16px;color:var(--ink);font-weight:600;line-height:1.9;padding:16px 20px;background:var(--bg);border-left:4px solid var(--accent);border-radius:6px;margin-bottom:20px;}
.article-content p{font-size:15.5px;color:var(--text);line-height:2.1;margin-bottom:16px;text-indent:2em;}
.article-pager{display:flex;justify-content:space-between;gap:14px;margin-top:30px;padding-top:20px;border-top:1px solid var(--line);}
.pager-link{flex:1;font-size:14px;color:var(--text);padding:12px 16px;border:1px solid var(--line);border-radius:10px;transition:all .3s ease;display:flex;flex-direction:column;gap:4px;}
.pager-link span{font-size:12px;color:var(--muted);}
.pager-link:hover{border-color:var(--primary);color:var(--primary);}
.pager-link.disabled{opacity:.55;pointer-events:none;}

/* 图片展示 */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.gallery-item{position:relative;display:block;height:230px;border-radius:12px;overflow:hidden;cursor:pointer;}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.gallery-item:hover img{transform:scale(1.12);}
.gallery-caption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;background:linear-gradient(transparent,rgba(6,20,38,.88));color:#fff;font-size:14px;display:flex;align-items:center;gap:6px;transform:translateY(100%);transition:transform .4s ease;}
.gallery-item:hover .gallery-caption{transform:translateY(0);}
.gallery-caption i{color:var(--accent-2);}

/* 灯箱 */
.lightbox{position:fixed;inset:0;z-index:2000;display:none;align-items:center;justify-content:center;}
.lightbox.open{display:flex;}
.lightbox-mask{position:absolute;inset:0;background:rgba(6,16,30,.92);}
.lightbox-img{position:relative;z-index:2;max-width:88vw;max-height:84vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5);}
.lightbox-close,.lightbox-prev,.lightbox-next{position:absolute;z-index:3;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font-size:18px;cursor:pointer;transition:all .3s ease;}
.lightbox-close{top:26px;right:26px;}
.lightbox-close:hover{background:var(--accent);color:#3b2405;}
.lightbox-prev{left:22px;top:50%;transform:translateY(-50%);}
.lightbox-next{right:22px;top:50%;transform:translateY(-50%);}
.lightbox-prev:hover,.lightbox-next:hover{background:var(--accent);color:#3b2405;}

/* 行动号召 */
.cta-band{position:relative;background:linear-gradient(120deg,var(--primary-deep),var(--primary-dark));border-radius:20px;padding:52px 44px;display:flex;align-items:center;justify-content:space-between;gap:26px;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(245,155,43,.3),transparent 55%);}
.cta-band h2{position:relative;color:#fff;font-size:clamp(22px,3vw,30px);font-weight:800;}
.cta-band p{position:relative;color:rgba(255,255,255,.78);margin-top:8px;font-size:15px;}
.cta-band .btn{position:relative;flex:none;}

/* ============ 内页响应式 ============ */
@media (max-width:1080px){
  .gallery-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:992px){
  .intro-grid{grid-template-columns:1fr;gap:36px;}
  .intro-img img{height:auto;max-height:420px;}
  .culture-grid,.honor-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(3,1fr);gap:26px;}
  .detail-grid{grid-template-columns:1fr;gap:36px;}
  .detail-gallery{position:static;}
  .news-list-item{grid-template-columns:240px 1fr;}
}
@media (max-width:640px){
  .page-hero{height:260px;}
  .page-hero-sm{height:190px;}
  .culture-grid,.honor-grid{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:1fr 1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-item{height:160px;}
  .news-list-item{grid-template-columns:1fr;}
  .news-list-item .news-media{min-height:180px;}
  .news-list-body{padding:20px 22px 22px;}
  .detail-main .swiper-slide{height:270px;}
  .detail-features{grid-template-columns:1fr;}
  .article{padding:28px 20px;}
  .article-pager{flex-direction:column;}
  .cta-band{flex-direction:column;text-align:center;padding:40px 24px;}
  .section-tight{padding:44px 0;}
}
/* 修复：网格子项默认 min-width:auto 会导致 Swiper 百分比宽度无限放大 */
.detail-grid > *{min-width:0;}
.detail-gallery,.detail-info{min-width:0;}
.detail-main,.detail-thumbs{width:100%;max-width:100%;}

.pagination {
    display: inline-block;
    padding-left: 0;
    margin: 20px 0;
    border-radius: 4px; }
.pagination > li {
    display: inline; }
.pagination > li > a,
.pagination > li > span {
    position: relative;
    float: left;
    padding: 6px 12px;
    line-height: 1.42857;
    text-decoration: none;
    color: #337ab7;
    background-color: #fff;
    border: 1px solid #ddd;
    margin-left: -1px; }
.pagination > li:first-child > a,
.pagination > li:first-child > span {
    margin-left: 0;
    border-bottom-left-radius: 4px;
    border-top-left-radius: 4px; }
.pagination > li:last-child > a,
.pagination > li:last-child > span {
    border-bottom-right-radius: 4px;
    border-top-right-radius: 4px; }
.pagination > li > a:hover, .pagination > li > a:focus,
.pagination > li > span:hover,
.pagination > li > span:focus {
    z-index: 2;
    color: #23527c;
    background-color: #eeeeee;
    border-color: #ddd; }
.pagination > .active > a, .pagination > .active > a:hover, .pagination > .active > a:focus,
.pagination > .active > span,
.pagination > .active > span:hover,
.pagination > .active > span:focus {
    z-index: 3;
    color: #fff;
    background-color: #337ab7;
    border-color: #337ab7;
    cursor: default; }
    
    
/* ============ 联系我们 ============ */
.contact-info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.contact-info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;display:flex;gap:18px;align-items:flex-start;transition:all .4s ease;}
.contact-info-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent;}
.contact-info-card .ci-icon{width:56px;height:56px;flex:none;border-radius:14px;display:grid;place-items:center;font-size:26px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));}
.ci-icon .iconfont{font-size:35px;}
.contact-info-card h3{font-size:17px;color:var(--ink);margin-bottom:6px;}
.contact-info-card p{font-size:14.5px;color:var(--muted);line-height:1.7;word-break:break-all;}
.contact-info-card a{color:var(--primary);}

.contact-wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:36px;align-items:start;}
.contact-form{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:36px 34px;}
.contact-form .block-title{margin-bottom:22px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.contact-form input,.contact-form textarea{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;color:var(--text);background:#fff;transition:border .3s ease,box-shadow .3s ease;outline:none;margin-bottom:16px;box-sizing:border-box;}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,106,184,.12);}
.contact-form textarea{resize:vertical;min-height:130px;}
.form-tip{margin-top:10px;font-size:13px;color:var(--muted);}
.form-success{display:none;margin-top:14px;padding:12px 16px;border-radius:10px;background:rgba(16,185,129,.1);color:#0f9d6e;font-size:14px;border:1px solid rgba(16,185,129,.25);}
.form-success.show{display:block;}

.contact-aside{display:flex;flex-direction:column;gap:24px;}
.map-card{position:relative;border-radius:var(--radius);overflow:hidden;height:260px;background:linear-gradient(135deg,var(--primary-deep),var(--primary-2));display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;}
.map-pin{color:#fff;}
.map-pin i{font-size:56px;color:var(--accent-2);animation:bounce 2s infinite;}
.map-pin strong{display:block;font-size:18px;margin-top:10px;}
.map-pin span{font-size:14px;color:rgba(255,255,255,.82);display:block;margin-top:4px;line-height:1.7;}
.aside-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:26px 28px;}
.aside-card h3{font-size:17px;color:var(--ink);margin-bottom:16px;padding-left:14px;border-left:4px solid var(--accent);}
.aside-card ul li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text);margin-bottom:12px;}
.aside-card ul li:last-child{margin-bottom:0;}
.aside-card ul li i{color:var(--accent);margin-top:3px;flex:none;}

@media (max-width:992px){
  .contact-info-grid{grid-template-columns:repeat(2,1fr);}
  .contact-wrap{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .contact-info-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .contact-form{padding:26px 20px;}
}

/* 防止滑入动画(translateX)造成临时横向滚动条；clip 不会创建滚动容器，不影响 sticky */
html,body{overflow-x:clip;}


.footer-social {
    display: flex;
    gap: 24px;
    align-items: center;
}
/* 每个社交图标容器：相对定位，给二维码做定位基准 */
.social-item {
    position: relative;
    display: inline-flex;
    font-size: 24px;
    color: #fff;
    text-decoration: none;
}
/* 二维码盒子，默认隐藏，定位在图标下方 */
.social-qrcode {
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    margin-top:12px;
    width: 120px;
    height:120px;
    background:#fff;
    padding:8px;
    border-radius:6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    /* 隐藏 */
    opacity:0;
    visibility:hidden;
    transition: all 0.2s ease;
    z-index:99;
}
.social-qrcode img {
    width:100%;
    height:100%;
    object-fit:cover;
}
/* hover 显示二维码 */
.social-item:hover .social-qrcode{
    opacity:1;
    visibility:visible;
}