@charset "utf-8";
:root{
  --blue:#0BA5EC;      /* 天蓝主色 */
  --blue-d:#0B6BA8;    /* 深天蓝 */
  --blue-l:#E8F6FE;    /* 极浅天蓝底 */
  --blue-m:#0284C7;    /* hover */
  --text:#33475B; --gray:#7A8DA1; --line:#DCEAF5;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  color:var(--text);font-size:14px;line-height:1.8;background:#fff;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit;}
img{display:block;max-width:100%;}
ul{list-style:none;}
.wrap{width:1200px;margin:0 auto;}
.clear{clear:both;}

/* ============ header ============ */
.header{height:90px;background:#fff;box-shadow:0 2px 12px rgba(10,61,98,.07);
  position:sticky;top:0;z-index:999;}
.header .wrap{height:90px;display:flex;align-items:center;justify-content:space-between;}
.logo{font-size:26px;font-weight:700;color:var(--blue);letter-spacing:1px;white-space:nowrap;}
.logo small{display:block;font-size:11px;color:var(--gray);font-weight:400;letter-spacing:2px;}
.nav{display:flex;align-items:center;gap:30px;}
.nav a{font-size:15px;color:#444;padding:8px 0;border-bottom:2px solid transparent;transition:.25s;}
.nav a:hover,.nav a.on{color:var(--blue);border-color:var(--blue);}
.btn{display:inline-block;background:var(--blue);color:#fff !important;padding:11px 24px;
  border-radius:4px;font-size:14px;transition:.25s;border:1px solid var(--blue);}
.btn:hover{background:var(--blue-m);border-color:var(--blue-m);transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(14,165,233,.32);}
.btn-o{background:transparent;border:1px solid #fff;color:#fff !important;}
.btn-o:hover{background:#fff;color:var(--blue) !important;}
/* 导航右侧：与其余导航项完全一致的纯文字样式，默认同为深灰，hover 才变蓝 */
.btn-ghost{background:none;border:none;padding:8px 0;color:#444 !important;
  font-size:15px;border-bottom:2px solid transparent;border-radius:0;transition:.25s;}
.btn-ghost:hover{background:none;color:var(--blue) !important;border-bottom-color:var(--blue);}

/* ============ banner ============ */
.banner{height:560px;position:relative;overflow:hidden;background:#0B6BA8;}
/* ---------- 轮播 ---------- */
.slider{position:absolute;inset:0;}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;
  background-position:center;background-size:cover;background-repeat:no-repeat;
  /* 关键：三张轮播是叠在一起的，非当前张虽然 opacity:0 但仍占在最上层，
     会拦截点击 —— 用户看到的是第 1 张，鼠标却点在看不见的第 3 张上。 */
  pointer-events:none;visibility:hidden;}
.slide.active{opacity:1;pointer-events:auto;visibility:visible;}
.slide::after{content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(3,105,161,.72) 0%,rgba(14,165,233,.52) 30%,
    rgba(56,189,248,.30) 58%,rgba(125,211,252,.12) 80%,rgba(186,230,253,0) 100%);}
.slide .txt{position:absolute;left:0;right:0;top:50%;transform:translateY(-52%);z-index:2;}
.slide .txt .wrap{color:#fff;max-width:720px;padding-left:36px;}
.slide h1{font-size:54px;font-weight:800;line-height:1.28;margin-bottom:20px;letter-spacing:2px;
  text-shadow:0 2px 10px rgba(0,26,58,.6),0 6px 30px rgba(0,26,58,.45);}
.slide .eyebrow{display:inline-block;font-size:13px;letter-spacing:3px;color:#BAE6FD;
  margin-bottom:18px;padding-left:14px;border-left:3px solid #7DD3FC;
  text-shadow:0 2px 8px rgba(0,26,58,.6);}
.slide .sub{font-size:17px;color:#fff;margin-bottom:32px;line-height:2.05;max-width:520px;
  text-shadow:0 2px 10px rgba(0,26,58,.65);}
.slide .btns a{margin-right:16px;padding:14px 34px;font-size:15px;border-radius:3px;
  box-shadow:0 8px 22px rgba(0,30,70,.3);}
.slider-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:6;width:46px;height:46px;
  border-radius:50%;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);
  color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
  font-size:20px;transition:.25s;backdrop-filter:blur(3px);}
.slider-nav:hover{background:rgba(255,255,255,.32);}
.slider-prev{left:26px;} .slider-next{right:26px;}
.slider-dots{position:absolute;left:0;right:0;bottom:34px;z-index:6;text-align:center;}
.slider-dots span{display:inline-block;width:30px;height:3px;margin:0 5px;background:rgba(255,255,255,.38);
  cursor:pointer;transition:.3s;border-radius:2px;}
.slider-dots span.on{background:#fff;width:46px;}
.banner .txt{position:relative;z-index:3;color:#fff;max-width:660px;padding-left:6px;}
.banner .eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:3px;
  color:rgba(255,255,255,.8);margin-bottom:20px;text-transform:uppercase;}
.banner .eyebrow::before{content:"";width:34px;height:2px;background:#7DD3FC;display:block;}
.banner h1{font-size:58px;font-weight:800;line-height:1.25;margin-bottom:22px;letter-spacing:3px;
  text-shadow:0 2px 10px rgba(0,26,58,.65),0 6px 30px rgba(0,26,58,.45);}
.banner .sub{font-size:17px;color:#fff;margin-bottom:34px;line-height:2.1;
  max-width:520px;letter-spacing:.5px;text-shadow:0 2px 10px rgba(0,26,58,.60);}
.banner .eyebrow{text-shadow:0 2px 8px rgba(0,26,58,.6);}
.banner .btns a{margin-right:16px;padding:14px 34px;font-size:15px;border-radius:3px;
  box-shadow:0 8px 22px rgba(0,30,70,.28);}
.banner .btns a.btn-o{backdrop-filter:blur(2px);}
.pbanner{height:230px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:#fff;position:relative;overflow:hidden;
  background:#0BA5EC url(../img/banner-bg.svg) center/cover no-repeat;
  background-position:center 30%;}
.pbanner::before{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,165,233,.58) 0%,rgba(56,189,248,.55) 100%);}
.pbanner h1,.pbanner .crumb{position:relative;z-index:2;}
.pbanner h1{font-size:36px;font-weight:700;letter-spacing:2px;}
.crumb{font-size:13px;color:rgba(255,255,255,.7);margin-top:10px;}
.crumb a:hover{color:#fff;}

/* ============ 数据条 ============ */
.stats{background:#fff;margin-top:-45px;position:relative;z-index:5;border-radius:8px;
  box-shadow:0 12px 34px rgba(10,61,98,.12);display:grid;grid-template-columns:repeat(4,1fr);}
.stats div{padding:28px 10px;text-align:center;border-right:1px solid var(--line);}
.stats div:last-child{border-right:none;}
.stats b{display:block;font-size:34px;color:var(--blue);font-weight:700;line-height:1.2;}
.stats span{font-size:13px;color:var(--gray);}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.light{background:var(--blue-l);}
.dark{background:var(--blue-d);color:#fff;}
.dark .sec-title h2,.dark .sec-title p{color:#fff;}
.sec-title{text-align:center;margin-bottom:46px;}
.sec-title h2{font-size:32px;font-weight:700;color:#123A52;padding-bottom:14px;position:relative;}
.sec-title h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:52px;height:3px;background:var(--blue);border-radius:2px;}
.sec-title p{margin-top:14px;color:var(--gray);font-size:14px;}

/* 网格 */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid6{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* 卡片 */
.card{background:#fff;border-radius:8px;border:1px solid var(--line);overflow:hidden;transition:.3s;}
.card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(30,111,217,.16);border-color:var(--blue);}
.card img{width:100%;height:186px;object-fit:cover;background:#F5FBFF;}
.card .info{padding:16px 18px 20px;}
.card h3{font-size:16px;font-weight:600;margin-bottom:8px;color:#123A52;}
.card .spec{font-size:12px;color:var(--gray);line-height:1.7;margin-bottom:12px;}
.card .more{font-size:13px;color:var(--blue);}
.card .more:hover{text-decoration:underline;}

/* 图标卡 */
.icard{background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px 26px;transition:.3s;}
.icard:hover{border-color:var(--blue);box-shadow:0 10px 26px rgba(30,111,217,.12);transform:translateY(-4px);}
.icard .ico{width:68px;height:68px;border-radius:14px;background:var(--blue-l);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.icard .ico svg{width:36px;height:36px;}
/* 业务卡配图模式：顶部大图 */
.icard.haspic{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.icard.haspic .ic-pic{width:100%;height:190px;overflow:hidden;background:#F5FBFF;}
.icard.haspic .ic-pic img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s ease;}
.icard.haspic:hover .ic-pic img{transform:scale(1.07);}
.icard.haspic .ic-body{padding:22px 24px 26px;}
.icard.haspic h3{font-size:18px;}
.icard h3{font-size:17px;margin-bottom:10px;color:#123A52;}
.icard p{font-size:13px;color:var(--gray);line-height:1.9;}

/* 关于我们 左图右文 */
.about-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.about-row img{width:100%;border-radius:10px;}
.about-txt h2{font-size:30px;margin-bottom:18px;color:#123A52;}
.about-txt p{color:#666;margin-bottom:14px;line-height:2;}
.about-txt .btn{margin-top:14px;}

/* 分类标签 */
.tabs{display:flex;gap:12px;justify-content:center;margin-bottom:36px;flex-wrap:wrap;}
.tabs span{padding:9px 24px;border-radius:22px;background:#fff;border:1px solid var(--line);
  font-size:14px;cursor:pointer;transition:.25s;color:#555;}
.tabs span.on{background:var(--blue);border-color:var(--blue);color:#fff;}
.tabs span:hover{border-color:var(--blue);color:var(--blue);}
.tabs span.on:hover{color:#fff;}
/* 新闻中心：分类筛选（a 标签静态跳转，不依赖 JS） */
.tabs a{padding:9px 24px;border-radius:22px;background:#fff;border:1px solid var(--line);
  font-size:14px;transition:.25s;color:#555;text-decoration:none;}
.tabs a.on{background:var(--blue);border-color:var(--blue);color:#fff;}
.tabs a:hover{border-color:var(--blue);color:var(--blue);}
.tabs a.on:hover{color:#fff;}
/* 新闻中心：分页导航 */
.pager{display:flex;gap:8px;justify-content:center;align-items:center;
  margin:44px 0 8px;flex-wrap:wrap;}
.pager .pg{padding:9px 16px;border-radius:4px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:#555;text-decoration:none;transition:.2s;min-width:40px;text-align:center;}
.pager .pg:hover{border-color:var(--blue);color:var(--blue);}
.pager .pg.on{background:var(--blue);border-color:var(--blue);color:#fff;}
.pager .pg.off{color:#bbb;background:#f7f9fc;cursor:default;}
.pager .pg.off:hover{border-color:var(--line);color:#bbb;}

/* 新闻列表 */
.news-item{display:grid;grid-template-columns:220px 1fr;gap:24px;background:#fff;
  border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:20px;transition:.3s;}
.news-item:hover{border-color:var(--blue);box-shadow:0 8px 22px rgba(30,111,217,.12);}
.news-item img{width:100%;height:150px;object-fit:cover;}
.news-item .n-txt{padding:20px 24px;}
.news-item h3{font-size:17px;margin-bottom:10px;color:#123A52;}
.news-item .date{font-size:12px;color:var(--gray);margin-bottom:8px;}
.news-item p{font-size:13px;color:#777;line-height:1.9;}

/* 案例 */
.case-main{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;}
.case-main .big img{width:100%;height:430px;object-fit:cover;border-radius:8px;}
.case-side{display:grid;grid-template-rows:repeat(3,1fr);gap:22px;}
.case-side img{width:100%;height:128px;object-fit:cover;border-radius:8px;}
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:40px;}
.logos div{height:64px;background:#fff;border:1px solid var(--line);border-radius:6px;
  display:flex;align-items:center;justify-content:center;overflow:hidden;padding:8px;
  display:flex;align-items:center;justify-content:center;color:#aaa;font-size:13px;}

/* CTA */
.cta{background:linear-gradient(135deg,#0BA5EC 0%,#0B6BA8 100%);text-align:center;padding:66px 0;color:#fff;}
.cta h2{font-size:30px;margin-bottom:12px;}
.cta p{margin-bottom:26px;color:rgba(255,255,255,.85);}

/* 页面正文区 */
.page{padding:60px 0;}
.side-layout{display:grid;grid-template-columns:220px 1fr;gap:40px;}
.sidemenu{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px 0;align-self:start;}
.sidemenu a{display:block;padding:12px 24px;font-size:14px;color:#555;border-left:3px solid transparent;}
.sidemenu a.on,.sidemenu a:hover{color:var(--blue);background:var(--blue-l);border-left-color:var(--blue);}
.content h2{font-size:26px;margin-bottom:20px;color:#123A52;padding-left:12px;border-left:4px solid var(--blue);}
.content p{margin-bottom:16px;color:#555;line-height:2.1;}
.content img{margin:20px 0;border-radius:8px;}
/* 富文本正文排版 */
.content h3{font-size:20px;margin:30px 0 14px;color:#123A52;font-weight:600;
  padding-left:12px;border-left:3px solid var(--blue);}
.content h4{font-size:17px;margin:24px 0 10px;color:#333;font-weight:600;}
.content ul,.content ol{margin:0 0 18px;padding-left:26px;}
.content li{margin-bottom:8px;color:#555;line-height:2;}
.content blockquote{margin:18px 0;padding:14px 20px;border-left:3px solid var(--blue);
  background:var(--blue-l);color:#456;line-height:2;border-radius:0 6px 6px 0;}
.content a{color:var(--blue);text-decoration:underline;}
.content strong,.content b{font-weight:700;color:#333;}
.content hr{border:none;border-top:1px solid var(--line);margin:28px 0;}
.content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;}
.content th{background:var(--blue-l);padding:10px 12px;text-align:left;color:var(--blue);
  border:1px solid var(--line);font-weight:600;}
.content td{padding:10px 12px;border:1px solid var(--line);color:#555;}
.content img{max-width:100%;height:auto;}

/* 资质荣誉 */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.honor{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;text-align:center;transition:.3s;}
.honor:hover{border-color:var(--blue);transform:translateY(-4px);}
/* 原来是 cover —— 证书内容会被裁掉，看不全。
   改成 contain：整张证书完整可见（有留白但信息不丢），
   要看细节再点击放大。 */
.honor img{width:100%;height:200px;object-fit:contain;border-radius:6px;margin-bottom:12px;
  background:#F7FAFC;}
.honor p{font-size:13px;color:#666;}

/* 技术 */
.tech-item{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:56px;}
.tech-item:nth-child(even) .tech-img{order:2;}
.tech-img{border-radius:10px;overflow:hidden;}
.tech-img img{width:100%;height:290px;object-fit:cover;}
.tech-txt h3{font-size:24px;margin-bottom:14px;color:#123A52;}
.tech-txt .num{font-size:44px;color:var(--blue-l);font-weight:700;line-height:1;}
.tech-txt p{color:#666;line-height:2.1;}
.tech-txt ul{margin-top:14px;}
.tech-txt li{padding-left:18px;position:relative;color:#666;margin-bottom:6px;}
.tech-txt li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--blue);}
.dark .tech-txt h3,.dark .tech-txt p,.dark .tech-txt li{color:#fff;}
.dark .tech-txt .num{color:rgba(255,255,255,.18);}

/* 联系我们 */
.contact-box{display:grid;grid-template-columns:1.5fr 1fr;gap:32px;}
.map-box{height:470px;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#EDF6FC;}
.info-list{background:var(--blue-l);border-radius:10px;padding:30px 26px;}
.info-list h3{font-size:19px;margin-bottom:20px;color:#123A52;}
.info-list li{margin-bottom:18px;padding-bottom:18px;border-bottom:1px dashed #D3E5F5;}
.info-list li:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.info-list .lb{font-size:13px;color:var(--blue);font-weight:600;display:block;margin-bottom:4px;}
.info-list .vl{font-size:15px;color:#333;line-height:1.8;}
.qr{display:flex;gap:16px;margin-top:20px;}
.qr div{flex:1;text-align:center;}
.qr img{width:100%;border-radius:6px;background:#fff;padding:6px;}
.qr span{font-size:12px;color:var(--gray);display:block;margin-top:6px;}

/* 表单 */
.form-wrap{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:10px;padding:40px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.fgroup{margin-bottom:20px;}
.fgroup label{display:block;font-size:13px;color:#555;margin-bottom:8px;}
.fgroup label i{color:#e0453a;font-style:normal;}
.fgroup input,.fgroup select,.fgroup textarea{width:100%;border:1px solid var(--line);
  border-radius:5px;padding:11px 14px;font-size:14px;font-family:inherit;color:#333;transition:.25s;background:#fff;}
.fgroup input:focus,.fgroup textarea:focus,.fgroup select:focus{outline:none;border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(30,111,217,.1);}
.fgroup textarea{height:120px;resize:vertical;}
.form-sub{text-align:center;margin-top:8px;}
.form-sub .btn{padding:13px 52px;font-size:15px;border:none;cursor:pointer;}
.tips{background:var(--blue-l);border-radius:8px;padding:18px 22px;margin-bottom:26px;
  font-size:13px;color:#456;line-height:1.9;}

/* 浮动客服 */
.fixed-srv{position:fixed;right:22px;bottom:110px;z-index:900;display:flex;flex-direction:column;gap:12px;}
.fixed-srv a{width:52px;height:52px;border-radius:50%;background:var(--brand);color:#fff;
  box-shadow:0 8px 22px rgba(11,36,64,.22);
  display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;
  box-shadow:0 6px 16px rgba(30,111,217,.35);transition:.25s;}
.fixed-srv a:hover{background:var(--blue-m);transform:translateY(-3px);}
.fixed-srv .top{background:#fff;color:#888;border:1px solid var(--line);}

/* ============ footer ============ */
.footer{background:var(--blue-d);color:#C8DCE9;padding:60px 0 0;margin-top:0;}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;}
.footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:600;}
.footer p,.footer li{font-size:13px;line-height:2.1;color:#A8C4D8;}
.footer a{color:#A8C4D8;transition:.2s;}
.footer a:hover{color:#fff;}
.footer .f-logo{font-size:22px;color:#fff;font-weight:700;margin-bottom:14px;}
.footer .qrp{display:flex;gap:12px;margin-top:12px;}
.footer .qrp img{width:76px;height:76px;background:#fff;border-radius:6px;padding:4px;}
.copyright{border-top:1px solid rgba(255,255,255,.1);text-align:center;padding:20px 0;
  font-size:13px;color:#9DB2C6;}
.copyright a{color:#9DB2C6;}

@media (max-width:1200px){
  .wrap{width:96%;}
  .grid4,.honor-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1200px){
  .slide .txt .wrap{padding-left:5%;}
  .slide h1{font-size:40px;}
}
@media (max-width:640px){
  .pager{gap:6px;margin:32px 0 4px;}
  .pager .pg{padding:8px 12px;font-size:13px;min-width:34px;}
  .tabs a{padding:7px 16px;font-size:13px;}
}
@media (max-width:900px){
  .slide .txt .wrap{padding-left:20px;padding-right:20px;}
  .slide h1{font-size:30px;}
  .slide .sub{font-size:15px;}
  .slide .btns a{padding:11px 22px;font-size:14px;}

  .grid4,.grid3,.grid6,.honor-grid,.grid2,.about-row,.tech-item,.contact-box,.case-main,.side-layout,.form-row,.stats{grid-template-columns:1fr;}
  .nav{display:none;}
  .banner h1{font-size:30px;}
  .footer .cols{grid-template-columns:1fr 1fr;}
  .news-item{grid-template-columns:1fr;}
}

/* 富文本正文（产品说明等） */
.rich{font-size:15px;line-height:2;color:#555;}
.rich p{margin-bottom:14px;}
.rich h3{font-size:19px;margin:24px 0 12px;color:#123A52;font-weight:600;
  padding-left:12px;border-left:3px solid var(--blue);}
.rich h4{font-size:16px;margin:20px 0 10px;color:#333;font-weight:600;}
.rich ul,.rich ol{margin:0 0 16px;padding-left:26px;}
.rich li{margin-bottom:8px;line-height:1.9;}
.rich img{max-width:100%;height:auto;border-radius:8px;margin:12px 0;display:block;}
.rich a{color:var(--blue);text-decoration:underline;}
.rich strong,.rich b{font-weight:700;color:#333;}
.rich blockquote{margin:16px 0;padding:12px 18px;border-left:3px solid var(--blue);
  background:var(--blue-l);color:#456;border-radius:0 6px 6px 0;}
.rich table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;}
.rich th{background:var(--blue-l);padding:10px 12px;text-align:left;color:var(--blue);
  border:1px solid var(--line);}
.rich td{padding:10px 12px;border:1px solid var(--line);}
/* 无封面图时改为单列 */
.about-row.noimg{grid-template-columns:1fr;}

/* 图标位改用图片 */
.ico.pic{padding:0;background:none;overflow:hidden;}
.ico.pic img{width:100%;height:100%;object-fit:cover;display:block;}

/* ==================================================================
   v2 视觉升级：去模板化 + 动效
   ================================================================== */
:root{
  --ink:#0C4A6E;          /* 深天蓝（标题/深底），不再是藏青 */
  --ink-2:#0B6BA8;
  --brand:#0BA5EC;        /* 天蓝主色 */
  --brand-2:#38BDF8;      /* 亮天蓝 */
  --brand-3:#7DD3FC;      /* 极亮天蓝 */
  --aqua:#22D3EE;         /* 水青（强调） */
  --aqua-l:#E0FBFF;
  --paper:#F5FBFF;
  --mute:#7A8DA1;
  --hair:#DCEAF5;
  --ease:cubic-bezier(.22,.61,.36,1);
  /* 兼容旧变量 */
  --blue:#0BA5EC; --blue-m:#0284C7; --blue-d:#0B6BA8; --blue-l:#E8F6FE;
  --gray:#7A8DA1; --line:#DCEAF5;
}

/* ---------- 滚动渐入 ---------- */
[data-reveal]{opacity:0;transform:translateY(34px);
  transition:opacity .9s var(--ease),transform .9s var(--ease);will-change:opacity,transform;}
[data-reveal="left"]{transform:translateX(-42px);}
[data-reveal="right"]{transform:translateX(42px);}
[data-reveal="zoom"]{transform:scale(.94);}
[data-reveal].in{opacity:1;transform:none;}

/* ---------- 图片遮幕揭幕 ---------- */
[data-mask]{position:relative;overflow:hidden;}
[data-mask] img,.img-mask img{opacity:0;transform:scale(1.08);
  transition:opacity 1.1s var(--ease),transform 1.3s var(--ease);}
[data-mask] img.unmasked,.img-mask img.unmasked{opacity:1;transform:none;}

/* ---------- 标题逐行升起 ---------- */
[data-lines] .ln{display:block;overflow:hidden;}
[data-lines] .ln i{display:block;font-style:normal;
  transform:translateY(105%);opacity:0;
  transition:transform .95s var(--ease),opacity .7s var(--ease);}
[data-lines].shown .ln i{transform:none;opacity:1;}

/* ---------- 跟随光效 ---------- */
[data-glow]{position:relative;}
[data-glow]::after{content:"";position:absolute;inset:0;pointer-events:none;
  border-radius:inherit;opacity:0;transition:opacity .35s;
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),
    rgba(11,99,197,.10),transparent 62%);}
[data-glow]:hover::after{opacity:1;}

/* ---------- header：滚动后变紧凑 ---------- */
.header{transition:height .3s var(--ease),box-shadow .3s var(--ease);}
.header.shrink{height:70px;box-shadow:0 6px 22px rgba(11,36,64,.10);}
.header.shrink .wrap{height:70px;}
.header.shrink .logo{font-size:22px;}
.header .logo{transition:font-size .3s var(--ease);}

/* ---------- banner 增强 ---------- */
.banner{background:var(--ink);}
.slide{transform:scale(1.06);}
.slide.active{transform:scale(1);
  transition:opacity 1.1s var(--ease),transform 7s linear;}
.slide::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(3,105,161,.30) 0%,transparent 34%,transparent 64%,rgba(3,105,161,.38) 100%);}
.slide .txt{z-index:3;}
.slide h1{font-weight:800;letter-spacing:1px;}
.slide .eyebrow{border-left-color:var(--aqua);color:#A5F3FC;}
/* 首个按钮：白底蓝字，在深底上更跳 */
.slide .btns a:first-child{background:#fff;color:var(--blue-m) !important;border-color:#fff;
  box-shadow:0 10px 30px rgba(3,105,161,.35);}
.slide .btns a:first-child:hover{background:var(--brand-2);border-color:var(--brand-2);color:#fff !important;}
.slide .btns a{transition:transform .3s var(--ease),background .3s,color .3s,border-color .3s;}
.slide .btns a:hover{transform:translateY(-3px);}
/* 滚动提示 */
.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:6;
  width:26px;height:42px;border:1px solid rgba(255,255,255,.55);border-radius:14px;}
.scroll-hint::after{content:"";position:absolute;left:50%;top:8px;margin-left:-2px;
  width:4px;height:8px;border-radius:2px;background:#fff;animation:sh 1.8s infinite;}
@keyframes sh{0%{opacity:0;transform:translateY(0)}30%{opacity:1}70%{opacity:0;transform:translateY(16px)}100%{opacity:0}}

/* ---------- 数据条：改深色渐变 + 分隔发光 ---------- */
.stats{position:relative;margin-top:-56px;border-radius:4px;
  background:linear-gradient(100deg,#0369A1 0%,#0BA5EC 34%,#22D3EE 66%,#10B981 100%);
  box-shadow:0 22px 54px rgba(6,95,140,.28);}
.stats div{padding:40px 12px;border-right:1px solid rgba(255,255,255,.16);position:relative;text-align:center;}
.stats div:last-child{border-right:none;}
/* 数字：参考同行做法，做到很大；实测最长项仅占格子 ~40%，不会挤 */
.stats b{font-size:38px;color:#fff;font-weight:900;letter-spacing:-1px;line-height:.95;
  font-variant-numeric:tabular-nums;display:block;
  white-space:nowrap;
  text-align:center;
  text-shadow:0 8px 30px rgba(3,80,120,.40);}
/* 关键：数字 span 必须继承 b 的字号，且必须 inline
   —— 否则 .stats span{display:block} 会让它独占一行，造成"折行" */
.stats b em,.stats b span,.stats b sup{font-style:normal;color:#fff;
  font-weight:900;letter-spacing:-1px;
  font-size:inherit !important;display:inline !important;}
/* 说明：小字细体，与数字形成强烈对比 */
.stats span{display:block;margin-top:16px;font-size:16px;color:rgba(255,255,255,.85);
  letter-spacing:1px;font-weight:400;
  white-space:nowrap;                 /* 说明文字也不折行 */
  text-align:center;}
/* 数字后的单位（如“万吨”）小一号；+ 号做右上角上标 */
.stats b .st-tail{font-style:normal;font-size:.30em;font-weight:700;
  margin-left:.06em;letter-spacing:0;color:rgba(255,255,255,.92);}
.stats b sup{font-size:.32em;font-weight:800;vertical-align:super;
  margin-left:.02em;color:#FFFFFF;line-height:1;opacity:.95;}
/* 顶部圆弧装饰线（呼应你截图里的那道弧） */
.stats::before{content:"";position:absolute;left:50%;top:-26px;transform:translateX(-50%);
  width:230px;height:52px;border:1px solid rgba(255,255,255,.22);border-bottom:none;
  border-radius:230px 230px 0 0;pointer-events:none;}
.stats::after{content:"";position:absolute;left:50%;top:-26px;transform:translateX(-50%);
  width:150px;height:34px;border:1px solid rgba(255,255,255,.14);border-bottom:none;
  border-radius:150px 150px 0 0;pointer-events:none;}

/* ---------- 新版板块标题：左对齐 + 编号 + eyebrow ---------- */
.sec-head{margin-bottom:52px;position:relative;}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:4px;color:var(--blue);font-weight:600;margin-bottom:14px;}
.sec-head .eyebrow::before{content:"";width:30px;height:2px;
  background:linear-gradient(90deg,var(--blue),var(--aqua));}
.sec-head h2{font-size:38px;font-weight:800;color:var(--ink);letter-spacing:-.5px;line-height:1.25;}
.sec-head .lead{margin-top:14px;color:var(--mute);font-size:15px;line-height:2;max-width:620px;}
.sec-head .idx{position:absolute;right:0;top:-16px;font-size:96px;font-weight:800;
  color:rgba(14,165,233,.10);line-height:1;letter-spacing:-4px;pointer-events:none;
  font-family:Arial,Helvetica,sans-serif;}
.sec-head.center{text-align:center;}
.sec-head.center .lead{margin-left:auto;margin-right:auto;}
.sec-head.center .eyebrow{justify-content:center;}

/* 保留旧 sec-title 兼容，但升级外观 */
.sec-title h2{font-size:36px;font-weight:800;color:var(--ink);letter-spacing:-.5px;}
.sec-title h2::after{width:44px;height:3px;background:linear-gradient(90deg,var(--brand),var(--aqua));}
.sec-title p{color:var(--mute);font-size:15px;}

/* ---------- 卡片质感 ---------- */
.card{border-radius:6px;border-color:var(--hair);background:#fff;}
.card:hover{transform:translateY(-8px);box-shadow:0 20px 44px rgba(11,36,64,.14);border-color:transparent;}
.card .info{padding:18px 20px 22px;}
.card h3{font-size:17px;font-weight:700;letter-spacing:-.2px;}
.card .spec{color:var(--mute);}
.card .more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13px;}
.card .more::after{content:"→";transition:transform .3s var(--ease);display:inline-block;}
.card:hover .more::after{transform:translateX(5px);}

.icard{border-radius:6px;border-color:var(--hair);}
.icard:hover{border-color:transparent;box-shadow:0 20px 44px rgba(11,36,64,.13);transform:translateY(-6px);}
.icard.haspic .ic-pic{height:200px;}
.icard.haspic::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--aqua));
  transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease);z-index:2;}
.icard.haspic{position:relative;}
.icard.haspic:hover::before{transform:scaleX(1);}
.icard.haspic h3{font-size:19px;font-weight:700;letter-spacing:-.2px;}
.icard p{color:var(--mute);}

/* ---------- 关于我们：图带偏移色块 ---------- */
.about-row{position:relative;}
.about-row .ar-img{position:relative;}
.about-row .ar-img::after{content:"";position:absolute;left:-18px;bottom:-18px;
  width:58%;height:58%;border:3px solid var(--brand-2);z-index:-1;border-radius:4px;}
.about-txt h2{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:-.5px;}
.about-txt p{color:var(--mute);line-height:2.1;}

/* ---------- CTA：斜切 + 水波 ---------- */
.cta{position:relative;overflow:hidden;
  background:linear-gradient(112deg,#0BA5EC 0%,#38BDF8 58%,#7DD3FC 130%);padding:78px 0;}
.cta::before{content:"";position:absolute;left:-10%;right:-10%;bottom:-60%;height:150%;
  background:radial-gradient(ellipse at 50% 100%,rgba(255,255,255,.13),transparent 62%);}
.cta h2{font-size:36px;font-weight:800;letter-spacing:-.5px;position:relative;}
.cta p{color:rgba(255,255,255,.82);font-size:15px;position:relative;}
/* 关键：.cta::before 是绝对定位的装饰层，会盖住没设 position 的子元素。
   按钮原来 position:static，被盖住 → 点不动。给整块内容抬到装饰层之上。 */
.cta .wrap{position:relative;z-index:2;}
.cta a,.cta .btn{position:relative;z-index:3;pointer-events:auto;}

/* ---------- 新闻列表：左侧竖线 + 箭头 ---------- */
.news-item{position:relative;border-color:var(--hair);border-radius:6px;}
.news-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--brand),var(--aqua));
  transform:scaleY(0);transform-origin:top;transition:transform .45s var(--ease);}
.news-item:hover::before{transform:scaleY(1);}
.news-item:hover{border-color:transparent;box-shadow:0 16px 38px rgba(11,36,64,.12);transform:translateY(-4px);}

/* ---------- 案例：hover 遮罩 + 放大 ---------- */
.case-main .big,.case-side a{position:relative;overflow:hidden;border-radius:6px;display:block;}
.case-main .big img,.case-side img{transition:transform .8s var(--ease);}
.case-main .big:hover img,.case-side a:hover img{transform:scale(1.06);}
.case-main .big::after,.case-side a::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(3,105,161,.68) 100%);
  opacity:0;transition:opacity .4s;}
.case-main .big:hover::after,.case-side a:hover::after{opacity:1;}

/* ---------- logo 墙 ---------- */
.logos div{border-radius:4px;border-color:var(--hair);color:#9DB2C6;font-size:13px;
  transition:.3s var(--ease);}
.logos div:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px);
  box-shadow:0 10px 24px rgba(11,36,64,.09);}

/* ---------- 页脚 ---------- */
.footer{background:linear-gradient(120deg,#0284C7 0%,#0B6BA8 62%,#0C4A6E 100%);
  color:rgba(255,255,255,.66);padding:66px 0 0;}
.footer .f-logo{font-size:22px;font-weight:800;color:#fff;letter-spacing:1px;}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.5px;}
.footer ul li a{color:rgba(255,255,255,.58);transition:.25s;line-height:2.1;font-size:13px;}
.footer ul li a:hover{color:var(--aqua);padding-left:5px;}
.footer .qrp img{width:92px;height:92px;background:#fff;padding:5px;border-radius:5px;}
.footer .copyright{border-top:1px solid rgba(255,255,255,.16);
  margin-top:44px;padding:22px 0;color:rgba(255,255,255,.46);font-size:13px;text-align:center;}

/* ---------- 内页 banner ---------- */
.pbanner{height:250px;
  background:linear-gradient(112deg,#0284C7 0%,#0BA5EC 55%,#38BDF8 130%);}
.pbanner h1{font-weight:800;letter-spacing:1px;}

/* ---------- 固定客服 ---------- */
.fixed-srv a{transition:transform .3s var(--ease);}
.fixed-srv a:hover{transform:translateY(-3px);}

/* ---------- 移动端收敛 ---------- */
@media (max-width:768px){
  .sec-head h2{font-size:27px;}
  .sec-head .idx{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stats b{font-size:30px;}
  .slide h1{font-size:30px;}
  .cta h2{font-size:25px;}
}

/* 深色区标题与其装饰编号 */
.dark .sec-head h2{color:#fff;}
.dark .sec-head .lead{color:rgba(255,255,255,.62);}
.dark .sec-head .eyebrow{color:#67E8F9;}
.dark .sec-head .eyebrow::before{background:#67E8F9;}
.dark .sec-head .idx{color:rgba(255,255,255,.075);}
/* 深色区 eyebrow 序号位：居中时编号放右下 */
.sec-head.center .idx{right:0;left:0;margin:0 auto;text-align:center;top:auto;bottom:-8px;}

/* ==================================================================
   v3：轮播视差 + 服务流程时间轴
   ================================================================== */

/* ---------- 轮播：背景层独立，可做视差 ---------- */
.banner{overflow:hidden;}
.slide{overflow:hidden;}
.slide .s-bg{position:absolute;inset:-6% -4%;z-index:0;
  background-position:center;background-size:cover;background-repeat:no-repeat;
  transform:scale(1.07);will-change:transform;}
.slide.active .s-bg{animation:kb 8s linear forwards;}
@keyframes kb{from{transform:scale(1.07) translate3d(0,0,0)}to{transform:scale(1.16) translate3d(0,-2.4%,0)}}
/* 文字层由 JS 做视差（inline transform），
   入场动画放到内部子元素上，避免两者抢同一个 transform */
.slide .txt{will-change:transform,opacity;}
.slide.active .txt .wrap > *{animation:txtIn .95s var(--ease) both;}
.slide.active .txt .eyebrow{animation-delay:.05s;}
.slide.active .txt h1{animation-delay:.16s;}
.slide.active .txt .sub{animation-delay:.30s;}
.slide.active .txt .btns{animation-delay:.44s;}
@keyframes txtIn{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
/* 视差开关：JS 会把 --py 写进 .slide */
.slide .s-bg{transform:scale(1.07) translate3d(0,var(--py,0px),0);}
.slide.active .s-bg{animation:none;transition:transform .12s linear;}
@media (prefers-reduced-motion:reduce){
  .slide.active .s-bg{animation:none;transform:scale(1.07);}
  
}

/* ---------- 服务流程时间轴 ---------- */
.process-sec{position:relative;background:linear-gradient(115deg,#F0FAFF 0%,#E8F6FE 60%,#E0FBFF 130%);}
.process{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:34px;padding-top:6px;}
/* 底层灰线 + 彩色进度线 */
.pc-line{position:absolute;left:0;right:0;top:26px;height:2px;background:#D6ECF9;
  z-index:0;border-radius:2px;overflow:hidden;}
.pc-line i{display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--brand),var(--aqua));
  box-shadow:0 0 14px rgba(34,211,238,.55);transition:width .25s linear;}
.pc-item{position:relative;z-index:1;text-align:center;padding-top:0;}
.pc-dot{width:54px;height:54px;margin:0 auto 20px;border-radius:50%;
  background:#fff;border:2px solid #D6ECF9;
  display:flex;align-items:center;justify-content:center;
  color:#9DB2C6;font-weight:800;font-size:16px;
  transition:.55s var(--ease);}
.pc-item h3{margin-bottom:10px;font-size:18px;font-weight:700;
  color:#9DB2C6;transition:.55s var(--ease);letter-spacing:-.2px;}
.pc-item p{font-size:13px;line-height:2;color:#A8BCcf;
  transition:.55s var(--ease);max-width:230px;margin:0 auto;}
/* 点亮态 */
.pc-item.on .pc-dot{background:linear-gradient(140deg,var(--brand-2),var(--brand));
  border-color:transparent;color:#fff;transform:scale(1.14);
  box-shadow:0 10px 26px rgba(14,165,233,.42);}
.pc-item.on h3{color:var(--ink);}
.pc-item.on p{color:var(--mute);}
/* 未点亮时压暗 */
.pc-item{opacity:.55;transition:opacity .55s var(--ease);}
.pc-item.on{opacity:1;}
.pc-img{margin-top:18px;border-radius:6px;overflow:hidden;}
.pc-img img{width:100%;height:110px;object-fit:cover;}
@media (max-width:900px){
  .process{grid-template-columns:repeat(2,1fr);gap:30px;}
  .pc-line{display:none;}
}
@media (max-width:520px){
  .process{grid-template-columns:1fr;}
}

/* ============ 悬浮客服：放大 + 图标 ============ */
.fixed-srv a{width:auto;min-width:74px;height:74px;border-radius:12px;padding:10px 8px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:13px;line-height:1.35;letter-spacing:.5px;}
.fixed-srv a b{font-size:15px;font-weight:700;}
.fixed-srv a i{display:block;width:20px;height:20px;margin-bottom:1px;
  background:currentColor;opacity:.95;}
/* 用 CSS 画三个小图标 */
.fi-tel{-webkit-mask:no-repeat center/contain;mask:no-repeat center/contain;
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23000'%3E%3Cpath d='M6.6 10.8c1.2 2.4 3.2 4.4 5.6 5.6l2.1-2.1c.3-.3.7-.4 1-.2 1.1.4 2.3.6 3.5.6.6 0 1 .4 1 1V19c0 .6-.4 1-1 1C10.6 20 4 13.4 4 5c0-.6.4-1 1-1h3.3c.6 0 1 .4 1 1 0 1.2.2 2.4.6 3.5.1.4 0 .8-.3 1l-2 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' fill='%23000'%3E%3Cpath d='M6.6 10.8c1.2 2.4 3.2 4.4 5.6 5.6l2.1-2.1c.3-.3.7-.4 1-.2 1.1.4 2.3.6 3.5.6.6 0 1 .4 1 1V19c0 .6-.4 1-1 1C10.6 20 4 13.4 4 5c0-.6.4-1 1-1h3.3c.6 0 1 .4 1 1 0 1.2.2 2.4.6 3.5.1.4 0 .8-.3 1l-2 2z'/%3E%3C/svg%3E");}
.fi-msg{-webkit-mask:no-repeat center/contain;mask:no-repeat center/contain;
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23000'%3E%3Cpath d='M20 2H4c-1.1 0-2 .9-2 2v18l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23000'%3E%3Cpath d='M20 2H4c-1.1 0-2 .9-2 2v18l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2z'/%3E%3C/svg%3E");}
.fi-top{-webkit-mask:no-repeat center/contain;mask:no-repeat center/contain;
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23000'%3E%3Cpath d='M12 4l8 8h-5v8H9v-8H4l8-8z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23000'%3E%3Cpath d='M12 4l8 8h-5v8H9v-8H4l8-8z'/%3E%3C/svg%3E");}
.fixed-srv .top{color:var(--blue-m);}
.fixed-srv .top i{opacity:.8;}

/* ============ 编号专题导航（1-6） ============ */
.topics{background:#fff;}
.tp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.tp-item{position:relative;display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--hair);border-radius:8px;
  padding:26px 26px;transition:.35s var(--ease);overflow:hidden;}
.tp-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--brand),var(--aqua));
  transform:scaleY(0);transform-origin:top;transition:transform .45s var(--ease);}
.tp-item:hover::before{transform:scaleY(1);}
.tp-item:hover{border-color:transparent;transform:translateY(-5px);
  box-shadow:0 18px 40px rgba(11,165,236,.15);}
.tp-n{flex-shrink:0;width:62px;height:62px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;letter-spacing:-.5px;
  color:var(--brand);background:var(--blue-l);
  border:2px solid transparent;transition:.35s var(--ease);
  font-family:Arial,Helvetica,sans-serif;}
.tp-item:hover .tp-n{background:linear-gradient(140deg,var(--brand-2),var(--brand));
  color:#fff;transform:scale(1.08);box-shadow:0 8px 20px rgba(14,165,233,.35);}
.tp-txt{flex:1;min-width:0;}
.tp-txt h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px;
  letter-spacing:-.2px;transition:.3s;}
.tp-item:hover .tp-txt h3{color:var(--blue-m);}
.tp-txt p{font-size:13px;color:var(--mute);line-height:1.8;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.tp-arrow{flex-shrink:0;font-size:20px;color:var(--brand);opacity:.35;
  transition:.35s var(--ease);}
.tp-item:hover .tp-arrow{opacity:1;transform:translateX(6px);}
@media (max-width:1000px){.tp-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:620px){.tp-grid{grid-template-columns:1fr;}.tp-txt p{white-space:normal;}}

/* ==================================================================
   v4：价值主张通栏 + 案例参数（参考同行站的信息密度）
   ================================================================== */

/* ---------- 价值主张通栏 ---------- */
.manifest{position:relative;min-height:420px;display:flex;align-items:center;
  overflow:hidden;background:#0B6BA8;}
.mf-bg{position:absolute;inset:-8% 0;background-position:center;background-size:cover;
  will-change:transform;transform:scale(1.12);}
.mf-mask{position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(3,105,161,.90) 0%,rgba(14,165,233,.72) 46%,
    rgba(56,189,248,.48) 100%);}
.mf-inner{position:relative;z-index:2;color:#fff;padding:80px 0;}
.mf-en{display:inline-block;font-size:13px;letter-spacing:6px;color:#A5E4FF;
  font-weight:600;margin-bottom:18px;}
.mf-inner h2{font-size:52px;font-weight:800;line-height:1.28;letter-spacing:2px;
  margin-bottom:20px;text-shadow:0 3px 18px rgba(3,105,161,.5);}
.mf-inner > p{font-size:17px;color:rgba(255,255,255,.88);line-height:2.1;
  max-width:560px;margin-bottom:32px;}
.mf-btns a{margin-right:14px;padding:14px 34px;font-size:15px;border-radius:3px;
  box-shadow:0 10px 28px rgba(3,105,161,.35);}
.mf-btns a:first-child{background:#fff;color:var(--blue-m) !important;border-color:#fff;}
.mf-btns a:first-child:hover{background:var(--brand-2);color:#fff !important;border-color:var(--brand-2);}

/* ---------- 案例：类型标签 + 参数 ---------- */
.cc-tag{position:absolute;left:14px;top:14px;z-index:3;
  background:rgba(255,255,255,.94);color:var(--blue-m);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:3px;
  letter-spacing:.5px;box-shadow:0 4px 14px rgba(3,105,161,.22);}
.cc-img{position:relative;overflow:hidden;}
.cc-img img{width:100%;height:186px;object-fit:cover;}
.cc-param{display:flex;gap:18px;padding:12px 14px;margin:10px 0 12px;
  background:var(--blue-l);border-radius:5px;}
.cc-param span{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0;}
.cc-param i{font-style:normal;font-size:11px;color:var(--mute);letter-spacing:.5px;}
.cc-param b{font-size:14px;color:var(--blue-m);font-weight:700;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* 大案例：叠加浮层 */
.case-main .big{position:relative;}
.big-case{position:relative;display:block;overflow:hidden;border-radius:8px;height:430px;}
.case-main .big .big-case img{width:100%;height:100%;object-fit:cover;}
.bc-over{position:absolute;left:0;right:0;bottom:0;padding:34px 34px 30px;
  background:linear-gradient(180deg,transparent 0%,rgba(3,105,161,.88) 62%,rgba(3,105,161,.95) 100%);
  color:#fff;}
.bc-over .cc-tag{position:static;display:inline-block;margin-bottom:12px;
  background:rgba(255,255,255,.95);}
.bc-over h3{font-size:26px;font-weight:800;letter-spacing:-.3px;margin-bottom:14px;
  text-shadow:0 2px 12px rgba(0,40,80,.4);}
.bc-param{display:flex;gap:40px;}
.bc-param span{display:flex;flex-direction:column;gap:3px;}
.bc-param i{font-style:normal;font-size:12px;color:rgba(255,255,255,.7);letter-spacing:.5px;}
.bc-param b{font-size:21px;font-weight:800;color:#fff;letter-spacing:-.2px;}

/* 侧边小案例浮层 */
.side-case{position:relative;display:block;overflow:hidden;border-radius:8px;}
.sc-over{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,transparent,rgba(3,105,161,.90));color:#fff;
  transform:translateY(8px);opacity:.92;transition:.35s var(--ease);}
.side-case:hover .sc-over{transform:none;opacity:1;}
.sc-over h4{font-size:15px;font-weight:700;margin-bottom:4px;}
.sc-over span{font-size:12px;color:rgba(255,255,255,.75);}

/* ---------------- 次要按钮（浅色区用） ---------------- */
.btn-o2{background:transparent;border:1px solid var(--brand);color:var(--brand) !important;}
.btn-o2:hover{background:var(--brand);color:#fff !important;transform:translateY(-2px);}

@media (max-width:768px){
  .mf-inner h2{font-size:30px;letter-spacing:1px;}
  .mf-inner > p{font-size:15px;}
  .bc-over{padding:22px 20px;}
  .bc-over h3{font-size:20px;}
  .bc-param{gap:22px;}
  .bc-param b{font-size:17px;}
}

/* ---------- 内页 banner 支持背景图 ---------- */
.pbanner{background-size:cover;background-position:center;background-repeat:no-repeat;}
/* 有图时：加一层压深遮罩保证白字可读；无图时保持纯渐变 */
.pbanner:not(.noimg)::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(3,105,161,.62) 0%,rgba(14,165,233,.66) 100%);}
.pbanner h1,.pbanner .crumb{position:relative;z-index:2;}
.pbanner h1{text-shadow:0 3px 14px rgba(3,105,161,.5);}

/* ---------- Logo 图片 ---------- */
.logo img{display:block;height:48px;width:auto;object-fit:contain;
  transition:height .3s var(--ease);}
.header.shrink .logo img{height:38px;}
.f-logo img{display:block;height:38px;width:auto;object-fit:contain;
  filter:brightness(0) invert(1);opacity:.92;}
/* 有图时 footer 的英文小字仍保留 */
.f-logo{display:flex;align-items:center;}

/* 产品页筛选栏（可点击） */
.pf-tabs{margin:22px 0 6px;}
.pf-tabs span{cursor:pointer;user-select:none;transition:.2s;}
.pf-tabs span:hover{color:#0284C7;border-color:#7DD3FC;}
.pf-tabs span.on{background:linear-gradient(120deg,#0BA5EC,#38BDF8);color:#fff;border-color:transparent;}

/* 联系我们页地图 */
.map-box{position:relative;overflow:hidden;border-radius:8px;}
.map-box img{width:100%;height:100%;object-fit:cover;display:block;}
.map-fallback{min-height:320px;background:#EAF4FB;}
.map-open{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);
  background:linear-gradient(120deg,#0BA5EC,#38BDF8);color:#fff;padding:11px 24px;
  border-radius:24px;font-size:14px;text-decoration:none;box-shadow:0 8px 22px rgba(14,165,233,.35);}
.map-open:hover{filter:brightness(1.08);}
#bmap,#amap{min-height:420px;}

/* ==================================================================
   移动端优化（≤900px）
   ================================================================== */
.mnav-btn{display:none;}
/* 关键：移动端菜单只在 ≤900px 出现。
   它的 position/transform 等全写在媒体查询里，
   桌面端若只靠 transform 移出屏幕，元素仍占位且文字可见。 */
.mnav{display:none !important;}
.mnav-mask{display:none !important;}

@media (max-width:900px){
  /* ---------- 1. 汉堡菜单 ---------- */
  .mnav-btn{display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:0;border:none;background:transparent;cursor:pointer;
    position:absolute;right:2%;top:50%;transform:translateY(-50%);z-index:60;}
  .mnav-btn span{display:block;width:24px;height:2px;background:#123A52;border-radius:2px;
    transition:.28s var(--ease);}
  .mnav-btn.on span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .mnav-btn.on span:nth-child(2){opacity:0;transform:scaleX(.4);}
  .mnav-btn.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .header .wrap{position:relative;}

  .mnav{display:block !important;
    position:fixed;top:0;right:0;bottom:0;width:78%;max-width:320px;z-index:55;
    background:#fff;box-shadow:-8px 0 32px rgba(8,60,100,.16);
    transform:translateX(105%);transition:transform .3s var(--ease);
    overflow-y:auto;}
  .mnav.open{transform:none;}
  .mnav-inner{padding:88px 22px 30px;display:flex;flex-direction:column;}
  .mnav-inner a{padding:15px 4px;font-size:16px;color:#33475B;
    border-bottom:1px solid #EDF3F8;text-decoration:none;}
  .mnav-inner a.on{color:#0284C7;font-weight:600;}
  .mnav-cta{margin-top:20px;background:linear-gradient(120deg,#0BA5EC,#38BDF8);
    color:#fff !important;border:none !important;border-radius:26px;text-align:center;font-weight:600;}
  .mnav-tel{margin-top:12px;font-size:15px;color:#0284C7 !important;border:none !important;}
  .mnav-mask{display:block !important;
    position:fixed;inset:0;background:rgba(8,40,70,.42);z-index:54;opacity:0;
    pointer-events:none;transition:opacity .3s;}
  .mnav-mask.on{opacity:1;pointer-events:auto;}

  /* ---------- 2. 修横向溢出 ---------- */
  .banner,.slide{overflow:hidden;}
  .slide .s-bg{inset:0;}              /* 移动端不再用负 inset 撑宽 */
  /* 装饰圆：移动端直接隐藏（它本来就是露出一部分的装饰，
     小屏下反而造成容器 scrollWidth 变大，去掉更干净） */
  .cta::before{display:none;}
  .ar-img,.big-case,.cc-img,.manifest{overflow:hidden;}
  .ar-img img,.big-case img{width:100%;height:100%;object-fit:cover;display:block;}
  .manifest{overflow:hidden;}
  .slide .txt .wrap{max-width:100%;padding-left:20px;padding-right:20px;}
  html,body{overflow-x:hidden;}
  .stats{overflow:hidden;}

  /* ---------- 3. 数据条：2 列 ---------- */
  .stats{grid-template-columns:repeat(2,1fr) !important;}
  .stats div{padding:26px 8px;}
  .stats div:nth-child(5){grid-column:1 / -1;border-right:none;border-top:1px solid rgba(255,255,255,.16);}
  .stats b{font-size:44px !important;letter-spacing:-1px;}
  .stats span{font-size:14px;margin-top:10px;letter-spacing:0;}

  /* ---------- 4. 文字层级重排 ---------- */
  body{font-size:15px;line-height:1.85;}
  .sec-head h2{font-size:25px !important;line-height:1.35;}
  .sec-head .lead{font-size:14px;line-height:1.9;margin-top:12px;}
  .slide h1{font-size:27px !important;line-height:1.35;}
  .slide .sub{font-size:14px;line-height:1.8;}
  .slide .eyebrow{font-size:11px;letter-spacing:3px;}
  .cta h2{font-size:24px !important;line-height:1.4;}
  .mf-inner h2{font-size:26px !important;line-height:1.4;}
  .pbanner h1{font-size:24px !important;}
  .pbanner{min-height:170px !important;padding:44px 0 34px !important;}
  .rich{font-size:15px;line-height:1.95;}
  .rich h3{font-size:17px;margin:20px 0 10px;}

  /* ---------- 5. 各种栅格降列 ---------- */
  .grid2,.grid3,.grid4,.grid6,.honor-grid,.about-row,.tech-item,
  .contact-box,.case-main,.side-layout,.form-row{grid-template-columns:1fr !important;gap:18px;}
  .process{grid-template-columns:1fr !important;gap:0;}
  .pc-line{display:none;}
  .logos{grid-template-columns:repeat(2,1fr) !important;gap:12px;}
  .logos div{height:64px !important;font-size:12px;}
  .tp-grid{grid-template-columns:1fr !important;}

  /* ---------- 6. 触摸目标 ≥44px ---------- */
  .btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;
    padding:12px 22px;font-size:15px;}
  /* 筛选栏：同样换行平铺，避免"后面还有但看不见" */
  .pf-tabs{display:flex !important;flex-wrap:wrap !important;overflow-x:visible !important;
    gap:8px;padding-bottom:2px;margin:18px 0 10px;}
  .pf-tabs span{flex:0 1 auto;min-height:40px;padding:9px 15px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:22px;font-size:14px;white-space:nowrap;}

  /* ---------- 7. 间距收紧 ---------- */
  .page{padding:30px 0 44px;}
  section{padding-top:48px !important;padding-bottom:48px !important;}
  /* 侧边菜单：不横滑，改成自动换行平铺，全部标签一眼可见 */
  .sidemenu{display:flex !important;flex-wrap:wrap !important;overflow-x:visible !important;
    gap:9px;padding-bottom:2px;margin-bottom:20px;}
  .sidemenu a{flex:1 1 calc(50% - 5px);min-width:0;min-height:44px;
    display:flex;align-items:center;justify-content:center;text-align:center;
    padding:11px 10px;border:1px solid #DCE7F1;border-radius:10px;
    white-space:normal;word-break:break-word;font-size:14px;line-height:1.4;}
  .sidemenu a.on{background:linear-gradient(120deg,#0BA5EC,#38BDF8);color:#fff;border-color:transparent;}
  .footer .cols{grid-template-columns:1fr !important;gap:22px;}

  /* ---------- 8. 地图 ---------- */
  #bmap,#amap{min-height:280px;}
  .map-fallback{min-height:240px;}
}

/* 超小屏 ≤380px */
@media (max-width:380px){
  .stats b{font-size:38px !important;}
  .slide h1{font-size:24px !important;}
  .sec-head h2{font-size:22px !important;}
  .mnav{width:86%;}
}

/* 合作客户：原图显示，不做任何灰度/透明处理，保留品牌原本配色 */
.logos div img{max-width:100%;max-height:100%;object-fit:contain;
  filter:none;opacity:1;transition:transform .3s var(--ease);}
.logos div:hover img{filter:none;opacity:1;transform:scale(1.06);}

/* ==================================================================
   首页：发展历程时间轴
   ================================================================== */
.tl-sec{background:#fff;}
.timeline{position:relative;margin-top:46px;
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;}
/* 中轴虚线 */
.timeline::before{content:"";position:absolute;left:50%;top:10px;bottom:10px;width:0;
  border-left:2px dashed #C7DFF2;transform:translateX(-50%);}
.tl-item{position:relative;display:flex;gap:20px;padding:22px 34px 34px;}
.tl-item:nth-child(even){padding-left:44px;}
.tl-item:nth-child(odd){padding-right:44px;}
/* 节点圆点在轴上 */
.tl-item::after{content:"";position:absolute;top:34px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid #0BA5EC;box-shadow:0 0 0 4px rgba(11,165,236,.14);z-index:2;}
.tl-item:nth-child(odd)::after{right:-7px;}
.tl-item:nth-child(even)::after{left:-7px;}

.tl-no{flex:0 0 auto;width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg,#0BA5EC,#22D3EE);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(11,165,236,.28);}
/* 奇数项：编号在右（贴近轴），偶数项：编号在左 */
.tl-item:nth-child(odd){flex-direction:row-reverse;text-align:right;}
.tl-item:nth-child(odd) .tl-body{text-align:right;}
.tl-item:nth-child(odd) ul{list-style:none;padding:0;}
.tl-item:nth-child(odd) .tl-btn{align-self:flex-end;}

.tl-pic{flex:0 0 auto;width:96px;height:96px;border-radius:50%;overflow:hidden;
  border:3px solid #fff;box-shadow:0 10px 24px rgba(8,60,100,.16);background:#EAF4FB;}
.tl-pic img{width:100%;height:100%;object-fit:cover;display:block;}

.tl-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.tl-year{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;
  color:#0BA5EC;background:rgba(11,165,236,.10);padding:4px 12px;border-radius:20px;
  align-self:flex-start;margin-bottom:8px;}
.tl-item:nth-child(odd) .tl-year{align-self:flex-end;}
.tl-body h3{font-size:19px;font-weight:700;color:#123A52;margin-bottom:10px;line-height:1.4;}
.tl-body h3 i{display:block;font-style:normal;font-size:11px;letter-spacing:2px;
  color:#9DB2C6;font-weight:600;margin-top:4px;}
.tl-body ul{list-style:none;margin:0 0 14px;padding:0;}
.tl-body ul li{position:relative;font-size:14px;color:#5A7183;line-height:1.85;
  padding-left:14px;margin-bottom:4px;}
.tl-body ul li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;
  border-radius:50%;background:#38BDF8;}
.tl-item:nth-child(odd) .tl-body ul li{padding-left:0;padding-right:14px;}
.tl-item:nth-child(odd) .tl-body ul li::before{left:auto;right:0;}
.tl-btn{align-self:flex-start;display:inline-block;padding:8px 18px;border-radius:22px;
  border:1px solid #0BA5EC;color:#0BA5EC;font-size:13px;text-decoration:none;transition:.25s var(--ease);}
.tl-btn:hover{background:#0BA5EC;color:#fff;}

/* ==================================================================
   首页：合作伙伴无缝滚动跑马灯
   ================================================================== */
.pm-sec{background:linear-gradient(180deg,#F6FBFF 0%,#fff 100%);}
.pm-wrap{position:relative;margin-top:34px;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);}
.pm-track{display:flex;width:max-content;animation:pm-scroll 38s linear infinite;}
.pm-row{display:flex;flex-shrink:0;}
.pm-item{flex:0 0 auto;width:var(--pmw,240px);height:var(--pmh,140px);margin:0 12px;
  background:#fff;border:1px solid #E4EEF7;border-radius:12px;
  display:flex;align-items:center;justify-content:center;padding:10px;overflow:hidden;
  transition:.3s var(--ease);}
.pm-item:hover{border-color:#38BDF8;box-shadow:0 12px 26px rgba(11,165,236,.16);transform:translateY(-4px);}
/* 首页跑马灯：原图多大显示多大，只限制不超过卡片（不拉伸、不发虚） */
.pm-item img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;}
.pm-item span{font-size:17px;color:#7A8FA3;text-align:center;line-height:1.5;}
@keyframes pm-scroll{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
.pm-wrap:hover .pm-track{animation-play-state:paused;}
@media (prefers-reduced-motion:reduce){
  .pm-track{animation:none;}
}

/* ---------- 移动端 ---------- */
@media (max-width:900px){
  .timeline{grid-template-columns:1fr;}
  .timeline::before{left:23px;transform:none;}
  .tl-item{flex-direction:row !important;text-align:left !important;padding:16px 0 26px 62px;}
  .tl-item:nth-child(odd),.tl-item:nth-child(even){padding-left:62px;padding-right:0;}
  .tl-item::after{left:16px !important;right:auto !important;}
  .tl-item:nth-child(odd) .tl-body{text-align:left;}
  .tl-item:nth-child(odd) .tl-year{align-self:flex-start;}
  .tl-item:nth-child(odd) .tl-btn{align-self:flex-start;}
  .tl-item:nth-child(odd) .tl-body ul li{padding-left:14px;padding-right:0;}
  .tl-item:nth-child(odd) .tl-body ul li::before{left:0;right:auto;}
  .tl-no{width:40px;height:40px;font-size:15px;}
  .tl-pic{width:72px;height:72px;}
  .tl-body h3{font-size:17px;}
  .pm-item{width:var(--pmmw,180px);height:var(--pmmh,110px);margin:0 10px;padding:9px;}
}

/* ==================================================================
   知名客户页（clients.html）：LOGO 墙放大
   原来格子只有 64px 高，LOGO 被压到 48px，太小。
   这里放大到 150px 高，LOGO 可显示到约 130px。
   ================================================================== */
.logos.big-logos{grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px;}
.logos.big-logos div{height:150px !important;padding:16px;border-radius:8px;
  border-color:#DCE7F1;background:#fff;}
.logos.big-logos div:hover{border-color:#38BDF8;box-shadow:0 12px 26px rgba(11,165,236,.14);
  transform:translateY(-3px);}
.logos.big-logos div img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;}
.logos.big-logos div span,.logos.big-logos div{font-size:15px;}
@media (max-width:900px){
  .logos.big-logos{grid-template-columns:repeat(2,1fr);gap:12px;}
  .logos.big-logos div{height:112px !important;padding:12px;}
}

/* ==================================================================
   图片点击放大（lightbox）
   ================================================================== */
/* 可放大提示 */
.zoomable{position:relative;cursor:zoom-in;}
.z-tip{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.9);
  background:rgba(6,40,70,.82);color:#fff;font-size:13px;padding:7px 16px;border-radius:20px;
  opacity:0;transition:.25s var(--ease);pointer-events:none;white-space:nowrap;z-index:3;}
.zoomable:hover .z-tip{opacity:1;transform:translate(-50%,-50%) scale(1);}
@media (hover:none){.z-tip{display:none;}}

/* 弹层 */
/* 默认隐藏主要靠 HTML 内联 style="display:none"（见 generator.js lightBox），
   这里的 display:none 只是双保险 —— 关键是不能让显隐只依赖本文件，
   否则 CSS 未同步时遮罩会铺满全屏盖住整页。 */
.zbox{position:fixed;inset:0;z-index:9999;background:rgba(6,22,38,.92);
  display:none;align-items:center;justify-content:center;padding:56px 20px;}
.zbox.on{display:flex;}
.zbox-fig{margin:0;max-width:min(1100px,92vw);max-height:88vh;
  display:flex;flex-direction:column;align-items:center;gap:14px;}
/* 证书/资质图往往是矢量或高清图，缩略图里被 cover 裁切看不全。
   这里改成「高度优先撑满 80vh」，让放大后能看清全部内容。
   位图若原图偏小会略软，但总比看不清内容强。 */
.zbox-fig img{width:auto;height:80vh;max-width:92vw;object-fit:contain;
  border-radius:6px;background:#fff;box-shadow:0 24px 60px rgba(0,0,0,.5);}
.zbox-fig figcaption{color:#fff;font-size:15px;text-align:center;opacity:.9;line-height:1.6;}
.zbox-close{position:absolute;right:22px;top:18px;width:44px;height:44px;border:none;
  border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:28px;cursor:pointer;
  line-height:1;transition:.2s;}
.zbox-close:hover{background:rgba(255,255,255,.28);}
.zbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;
  border:none;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;
  font-size:32px;cursor:pointer;line-height:1;transition:.2s;}
.zbox-nav:hover{background:rgba(255,255,255,.28);}
.zbox-prev{left:18px;} .zbox-next{right:18px;}
.zbox-count{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);
  color:rgba(255,255,255,.7);font-size:13px;letter-spacing:1px;}
@media (max-width:900px){
  .zbox{padding:64px 12px;}
  .zbox-nav{width:42px;height:42px;font-size:26px;}
  .zbox-prev{left:6px;} .zbox-next{right:6px;}
  .zbox-fig img{width:auto;height:auto;max-height:70vh;max-width:92vw;}
}