/* ============================================================
   维科美拓 VicoMeter · 工业水分检测专家  —  站点主样式
   主色：深蓝科技色  强调：品牌绿 197F3B
   ============================================================ */
:root{
  --navy:#0A2A52;          /* 主深蓝 */
  --navy-2:#123E77;        /* 深蓝辅 */
  --navy-3:#07203F;        /* 最深（页脚） */
  --tech:#1C8BD4;          /* 科技蓝点缀 */
  --tech-soft:#E8F2FB;
  --brand:#197F3B;         /* 品牌绿：CTA / 强调 */
  --brand-2:#25A05A;
  --brand-soft:#E9F5EC;
  --ink:#12212E;
  --muted:#5C6E7E;
  --line:#E3EAF1;
  --bg:#F5F8FB;
  --white:#fff;
  --warn:#C2410C;
  --grad-navy:linear-gradient(135deg,#07203F 0%,#0A2A52 45%,#123E77 100%);
  --grad-brand:linear-gradient(135deg,#197F3B 0%,#25A05A 100%);
  --radius:12px;--radius-lg:18px;
  --shadow:0 8px 26px rgba(10,42,82,.08);
  --shadow-lg:0 18px 48px rgba(10,42,82,.14);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  font-size:15px;line-height:1.75;color:var(--ink);background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s,background .18s,border-color .18s}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35}
p{margin:0 0 .9em}
table{border-collapse:collapse;width:100%}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.hide{display:none!important}

/* ---------------- 顶部信息条 ---------------- */
.topbar{background:var(--navy-3);color:#B9CCE0;font-size:13px;line-height:38px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar a{color:#B9CCE0}
.topbar a:hover{color:#fff}
.topbar .tb-l span+span{margin-left:18px}
.topbar .tb-r{display:flex;align-items:center;gap:16px}
.topbar .tb-tel{color:#fff;font-weight:700}
.topbar .tb-tel i{color:var(--brand-2)}

/* ---------------- 头部 + 导航 ---------------- */
.header{background:#fff;box-shadow:0 1px 0 var(--line);position:relative;z-index:60}
.header-main{display:flex;align-items:center;gap:24px;padding:14px 0}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo img{height:46px;width:auto}
.logo-txt strong{display:block;font-size:20px;letter-spacing:.5px;color:var(--navy);line-height:1.2}
.logo-txt em{display:block;font-style:normal;font-size:11px;letter-spacing:2.4px;color:var(--muted);text-transform:uppercase}
.header-search{margin-left:auto;flex:1;max-width:420px;position:relative}
.header-search input{
  width:100%;height:42px;border:1px solid var(--line);background:var(--bg);
  border-radius:22px;padding:0 46px 0 18px;outline:none;color:var(--ink)
}
.header-search input:focus{border-color:var(--tech);background:#fff;box-shadow:0 0 0 3px var(--tech-soft)}
.header-search button{
  position:absolute;right:4px;top:4px;width:34px;height:34px;border:0;border-radius:50%;
  background:var(--navy);color:#fff;cursor:pointer
}
.header-search button:hover{background:var(--brand)}
.header-cta{flex:none;display:flex;gap:10px;align-items:center}
.header-tel{text-align:right;line-height:1.25}
.header-tel em{display:block;font-style:normal;font-size:11px;color:var(--muted)}
.header-tel strong{font-size:19px;color:var(--navy);letter-spacing:.4px}

/* 主导航 */
/* 吸顶：nav 已移出 .header 成为 body 直属兄弟，sticky 才有效 */
.nav{background:var(--navy);position:sticky;top:0;z-index:80;transition:box-shadow .2s}
.nav.stuck{box-shadow:0 4px 18px rgba(7,32,63,.28)}
.nav>.wrap{display:flex;align-items:center;gap:0;min-height:60px}
/* 桌面端必须显式 flex：不写的话 .nav-menu 会退化成块级，导航项竖排堆叠 */
.nav-menu{display:flex;align-items:center;flex-wrap:nowrap;min-width:0;gap:2px}
.nav-item{position:relative;flex:none}
.nav-item>a{
  display:block;padding:9px 24px;line-height:42px;color:#DCE7F2;font-size:16px;font-weight:600;white-space:nowrap;
  border-radius:7px;transition:background .18s,color .18s
}
.nav-item:hover>a,.nav-item.on>a{background:var(--brand);color:#fff}
.nav-item:first-child>a{padding-left:20px}
.nav-spacer{margin-left:auto;display:flex;align-items:center;gap:8px;color:#9DB6D0;font-size:13px;padding-right:2px}

/* Mega 下拉 */
.mega{
  position:absolute;left:0;top:100%;min-width:760px;background:#fff;border-radius:0 0 var(--radius) var(--radius);
  box-shadow:var(--shadow-lg);padding:22px 26px;display:none;z-index:70;border-top:3px solid var(--brand)
}
.nav-item:hover .mega{display:block}
.mega-cols{display:flex;flex-wrap:wrap;gap:8px 34px}
.mega-col{min-width:200px;flex:1 1 200px;max-width:340px}
.mega-col>h4{font-size:14px;color:var(--navy);margin-bottom:8px;padding-bottom:7px;border-bottom:1px solid var(--line)}
.mega-col>h4 a{color:var(--navy)}
.mega-col>h4 a:hover{color:var(--brand)}
.mega-col ul li a{display:block;font-size:13.5px;color:var(--muted);padding:3px 0}
.mega-col ul li a:hover{color:var(--brand);padding-left:4px}
.mega-cta{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);display:flex;gap:12px;align-items:center;font-size:13px;color:var(--muted)}
.mega-cta a{color:var(--brand);font-weight:700}

/* 产品 mega：复刻老站结构（左侧 6 个一级分类 tab / 右侧组列 + 细分） */
.mega.mega-product{min-width:1000px;padding:0;overflow:hidden}
.mg-wrap{display:flex;align-items:stretch}
.mg-side{flex:0 0 196px;background:linear-gradient(180deg,#F7FAFD 0%,#EFF5FA 100%);border-right:1px solid var(--line);padding:16px 0}
.mg-side ul{list-style:none;margin:0;padding:0}
.mg-side ul li a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 16px;font-size:14px;font-weight:600;color:var(--ink);line-height:1.4;border-left:3px solid transparent}
.mg-side ul li a span{font-size:12px;font-weight:700;color:var(--muted);background:#fff;border-radius:20px;padding:1px 8px;min-width:26px;text-align:center}
.mg-side ul li a:hover{color:var(--brand);background:#fff}
.mg-side ul li a.on{color:var(--brand);background:#fff;border-left-color:var(--brand)}
.mg-side ul li a.on span{color:var(--brand);background:var(--brand-soft)}
.mg-all{display:block;margin:10px 16px 0;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;font-weight:700;color:var(--brand)}
.mg-main{flex:1 1 auto;min-width:0;padding:20px 26px 18px;max-height:66vh;overflow-y:auto}
.mg-pane{display:none}
.mg-pane.on{display:block}
.mg-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;padding-bottom:11px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.mg-head h3{font-size:17px;margin:0}
.mg-head h3 a{color:var(--navy)}
.mg-head h3 a:hover{color:var(--brand)}
.mg-head .mg-en{font-size:12px;color:var(--muted);letter-spacing:.4px}
.mg-head .mg-cnt{margin-left:auto;font-size:12.5px;font-weight:700;color:var(--brand);background:var(--brand-soft);border-radius:20px;padding:2px 11px}
.mg-cols{column-count:3;column-gap:30px}
.mg-col{break-inside:avoid;page-break-inside:avoid;margin-bottom:15px}
.mg-col>h4{font-size:13.5px;color:var(--navy);margin:0 0 5px;display:flex;align-items:center;gap:6px;line-height:1.4}
.mg-col>h4 a{color:var(--navy)}
.mg-col>h4 a:hover{color:var(--brand)}
.mg-col>h4 em{font-style:normal;font-size:11px;font-weight:700;color:var(--muted);background:#F1F5F9;border-radius:20px;padding:0 6px}
.mg-kids{list-style:none;margin:0;padding:0 0 0 9px;border-left:2px solid #EDF2F7}
.mg-kids li a{display:block;font-size:13px;color:var(--muted);padding:2.5px 0;line-height:1.45}
.mg-kids li a:hover{color:var(--brand)}

/* 移动端导航按钮 */
.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{
  content:"";display:block;height:2px;background:#fff;border-radius:2px;margin:0 auto;width:22px;transition:.2s
}
.nav-toggle::before{transform:translateY(-7px)}
.nav-toggle::after{transform:translateY(5px)}

/* ---------------- 通用按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 26px;
  border-radius:22px;font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;white-space:nowrap
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(25,127,59,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-outline{border-color:var(--line);color:var(--navy);background:#fff}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{height:34px;padding:0 16px;font-size:13px;border-radius:17px}
.btn-lg{height:52px;padding:0 34px;font-size:16.5px;border-radius:26px}

/* ---------------- 首屏 Hero ---------------- */
.hero{
  position:relative;background:var(--grad-navy);color:#fff;overflow:hidden;padding:64px 0 0
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:52px 52px
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(28,139,212,.34),rgba(28,139,212,0) 68%)
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-bottom:56px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  border-radius:20px;padding:6px 16px;font-size:13.5px;margin-bottom:20px;color:#D9E8F6
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(37,160,90,.25)}
.hero h1{font-size:44px;letter-spacing:-.5px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:#6FC6F5}
.hero-sub{font-size:16.5px;color:#BFD4E8;max-width:620px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-notes{display:flex;gap:26px;flex-wrap:wrap;font-size:13.5px;color:#A9C3DA}
.hero-notes span{display:flex;align-items:center;gap:7px}
.hero-notes svg{flex:none}

/* Hero 右侧：机型速查卡 */
.hero-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);
  padding:24px;backdrop-filter:blur(4px)
}
.hero-card>h3{font-size:16px;color:#fff;margin-bottom:4px}
.hero-card>p{font-size:13px;color:#A9C3DA;margin-bottom:16px}
.hero-card-list li{border-top:1px solid rgba(255,255,255,.12)}
.hero-card-list li:first-child{border-top:0}
.hero-card-list a{display:flex;align-items:center;gap:12px;padding:11px 0;color:#E4EEF8;font-size:14.5px}
.hero-card-list a:hover{color:#fff;padding-left:4px}
.hero-card-list .num{
  flex:none;width:30px;height:30px;border-radius:8px;background:rgba(28,139,212,.24);color:#8FD4FF;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700
}
.hero-card-list .cnt{margin-left:auto;font-size:12px;color:#8FA9C2}

/* Hero 底部数据条 */
.hero-stats{background:rgba(0,0,0,.22);border-top:1px solid rgba(255,255,255,.1)}
.hero-stats ul{display:grid;grid-template-columns:repeat(4,1fr)}
.hero-stats li{padding:22px 10px;text-align:center;border-left:1px solid rgba(255,255,255,.1)}
.hero-stats li:first-child{border-left:0}
.hero-stats strong{display:block;font-size:30px;color:#fff;line-height:1.15}
.hero-stats strong em{font-style:normal;font-size:16px;color:#8FD4FF;margin-left:2px}
.hero-stats span{font-size:13px;color:#A9C3DA}

/* ---------------- 通用区块 ---------------- */
.sec{padding:64px 0}
.sec.bg{background:var(--bg)}
.sec.navy{background:var(--navy);color:#fff}
.sec-head{margin-bottom:34px}
.sec-head.center{text-align:center}
.sec-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--brand);
  text-transform:uppercase;margin-bottom:10px
}
.sec.navy .sec-head .kicker{color:#6FC6F5}
.sec-head h2{font-size:31px;letter-spacing:-.3px;color:var(--navy)}
.sec.navy .sec-head h2{color:#fff}
.sec-head p{margin-top:12px;color:var(--muted);max-width:760px}
.sec-head.center p{margin-left:auto;margin-right:auto}
.sec.navy .sec-head p{color:#BFD4E8}
.sec-head .more{margin-top:14px}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-head.split .more{margin-top:0}

/* ---------------- 分类网格 ---------------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  position:relative;overflow:hidden;transition:.2s
}
.cat-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);opacity:0;transition:.2s
}
.cat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent}
.cat-card:hover::before{opacity:1}
.cat-card .cc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}
.cat-card h3{font-size:19.5px;color:var(--navy)}
.cat-card h3 a:hover{color:var(--brand)}
.cat-card .cc-en{font-size:11.5px;color:var(--muted);letter-spacing:.8px;text-transform:uppercase;margin-top:4px}
.cat-card .cc-cnt{
  flex:none;background:var(--tech-soft);color:var(--navy-2);font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:14px;white-space:nowrap
}
.cat-card .cc-lead{font-size:13.5px;color:var(--brand);font-weight:600;margin-bottom:10px}
.cat-card .cc-desc{font-size:13.5px;color:var(--muted);margin:0 0 16px;min-height:44px}
.cat-card .cc-sub{display:flex;flex-wrap:wrap;gap:8px}
.cat-card .cc-sub a{
  font-size:12.5px;color:var(--navy-2);background:var(--bg);border:1px solid var(--line);
  border-radius:14px;padding:3px 11px
}
.cat-card .cc-sub a:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}

/* ---------------- 主线专题 ---------------- */
.focus-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.focus-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.2s
}
.focus-card:hover{border-color:var(--tech);box-shadow:var(--shadow)}
.focus-card .fc-ico{
  width:44px;height:44px;border-radius:12px;background:var(--navy);color:#8FD4FF;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:14px
}
.focus-card:nth-child(2) .fc-ico{background:#0E5A8A}
.focus-card:nth-child(3) .fc-ico{background:#12735A}
.focus-card:nth-child(4) .fc-ico{background:#8A5A0E}
.focus-card h3{font-size:17px;color:var(--navy);margin-bottom:8px}
.focus-card h3 a:hover{color:var(--brand)}
.focus-card p{font-size:13.5px;color:var(--muted);margin-bottom:12px;min-height:42px}
.focus-card .fc-link{font-size:13.5px;font-weight:700;color:var(--brand)}
.focus-card .fc-link:hover{text-decoration:underline}

/* ---------------- 行业方案 ---------------- */
.ind-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.ind-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;text-align:center;transition:.2s
}
.ind-card:hover{background:var(--navy);border-color:var(--navy);transform:translateY(-3px)}
.ind-card:hover h3,.ind-card:hover p{color:#fff}
.ind-card .ic-ico{
  width:40px;height:40px;margin:0 auto 12px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700
}
.ind-card:hover .ic-ico{background:rgba(255,255,255,.16);color:#8FD4FF}
.ind-card h3{font-size:15.5px;color:var(--navy);margin-bottom:6px}
.ind-card p{font-size:12.5px;color:var(--muted);margin:0}

/* ---------------- 推荐产品（横向） ---------------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.2s;display:flex;flex-direction:column
}
.prod-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent}
.prod-card .pc-img{background:var(--bg);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:16px}
.prod-card .pc-img img{max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.prod-card .pc-body{padding:18px;flex:1;display:flex;flex-direction:column}
.prod-card .pc-model{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-soft);
  border-radius:4px;padding:2px 9px;margin-bottom:9px;align-self:flex-start
}
.prod-card h3{font-size:15.5px;color:var(--navy);margin-bottom:8px;line-height:1.5}
.prod-card h3 a:hover{color:var(--brand)}
.prod-card .pc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:12px}
.prod-card .pc-tags span{font-size:12px;color:var(--muted);background:var(--bg);border-radius:4px;padding:2px 8px}

/* ---------------- 服务保障 ---------------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.svc-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:24px}
.svc-card .sc-n{font-size:13px;font-weight:700;color:#6FC6F5;letter-spacing:1px;margin-bottom:10px}
.svc-card h3{font-size:17px;color:#fff;margin-bottom:8px}
.svc-card p{font-size:13.5px;color:#BFD4E8;margin:0}

/* ---------------- 新闻 ---------------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.2s;display:flex;flex-direction:column}
.news-card:hover{border-color:var(--tech);box-shadow:var(--shadow)}
.news-card .nc-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.news-card .nc-tag{background:var(--tech-soft);color:var(--navy-2);border-radius:4px;padding:2px 8px;font-weight:600}
.news-card h3{font-size:16px;color:var(--navy);margin-bottom:10px;line-height:1.55}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{font-size:13.5px;color:var(--muted);margin:0}
.news-card .nc-more{margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand)}

/* 新闻列表（栏目页） */
.news-list li{border-bottom:1px dashed var(--line);padding:20px 0;display:flex;gap:22px;align-items:flex-start}
.news-list li:first-child{padding-top:0}
.news-list .nl-date{
  flex:none;width:74px;text-align:center;background:var(--bg);border-radius:10px;padding:8px 0;line-height:1.25
}
.news-list .nl-date strong{display:block;font-size:22px;color:var(--navy)}
.news-list .nl-date span{font-size:12px;color:var(--muted)}
.news-list .nl-body h3{font-size:16.5px;color:var(--navy);margin-bottom:7px}
.news-list .nl-body h3 a:hover{color:var(--brand)}
.news-list .nl-body p{font-size:13.5px;color:var(--muted);margin:0}
.news-list .nl-tags{margin-top:8px;font-size:12.5px;color:var(--muted)}
.news-list .nl-tags a{color:var(--tech)}

/* ---------------- 面包屑 ---------------- */
.crumb{background:var(--bg);border-bottom:1px solid var(--line);font-size:13.5px;color:var(--muted);line-height:46px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb i{margin:0 8px;font-style:normal;color:#B4C2CE}

/* 栏目 banner */
.banner{background:var(--grad-navy);color:#fff;padding:42px 0;position:relative;overflow:hidden}
.banner::after{
  content:"";position:absolute;right:-100px;top:-80px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(28,139,212,.3),rgba(28,139,212,0) 70%)
}
.banner .wrap{position:relative;z-index:2}
.banner h1{font-size:31px;margin-bottom:8px}
.banner p{color:#BFD4E8;margin:0;max-width:820px;font-size:14.5px}

/* ---------------- 布局：侧栏 + 主体 ---------------- */
.layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:34px;align-items:start;padding:38px 0 60px}
.layout>*{min-width:0}
/* 主栏在前的页面（产品详情 / 新闻与方案文章 / 技术支持 / 关于我们 / 联系我们等）：
   主栏占宽列、侧栏 300px 居右。侧栏在前的列表页仍走上面的 260px+1fr。
   靠子元素顺序自动区分，一条规则全覆盖，无需逐页 data-page 打补丁。 */
.layout:has(>div:first-child){grid-template-columns:minmax(0,1fr) 300px}
.side{position:sticky;top:16px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:18px}
.side-box>h3{
  background:var(--navy);color:#fff;font-size:16px;padding:15px 20px;margin:0
}
.side-nav li{border-bottom:1px solid var(--line)}
.side-nav li:last-child{border-bottom:0}
.side-nav a{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;font-size:14.5px;color:var(--ink)}
.side-nav a:hover{background:var(--bg);color:var(--brand)}
.side-nav a.on{background:var(--brand-soft);color:var(--brand);font-weight:700;box-shadow:inset 3px 0 0 var(--brand)}
.side-nav .sub a{padding-left:34px;font-size:13.5px;color:var(--muted)}
.side-nav .sub a.on{color:var(--brand)}
.side-contact{background:var(--navy);color:#fff;border-radius:var(--radius);padding:22px 20px}
.side-contact h3{font-size:16px;margin-bottom:6px}
.side-contact p{font-size:13px;color:#BFD4E8;margin-bottom:14px}
.side-contact .sc-tel{font-size:22px;font-weight:700;color:#fff;letter-spacing:.4px;margin-bottom:4px}
.side-contact .sc-tel:hover{color:#8FD4FF}
.side-contact .btn{width:100%;margin-top:12px}

/* ---------------- 产品列表（表格化） ---------------- */
.plist-toolbar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:14px 18px;margin-bottom:18px;font-size:13.5px;color:var(--muted)
}
.plist-toolbar .on{color:var(--brand);font-weight:700;border-bottom:2px solid var(--brand);padding-bottom:2px}
.plist-toolbar .sep{color:var(--line)}
.subsec{margin-bottom:34px}
.subsec>.sh{
  display:flex;align-items:baseline;gap:12px;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--line)
}
.subsec>.sh h2{font-size:20px;color:var(--navy);position:relative;padding-left:14px}
.subsec>.sh h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--grad-brand)}
.subsec>.sh span{font-size:13px;color:var(--muted)}
.subsec>.sh .sh-more{margin-left:auto;font-size:13.5px;font-weight:700;color:var(--brand)}

.prod-rows{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.prod-row{
  display:grid;grid-template-columns:132px 1fr auto;gap:20px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)
}
.prod-row:last-child{border-bottom:0}
.prod-row:hover{background:var(--bg)}
.prod-row .pr-img{
  width:132px;height:98px;background:var(--bg);border-radius:8px;display:flex;align-items:center;justify-content:center;padding:8px
}
.prod-row .pr-img img{max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.prod-row h3{font-size:16px;color:var(--navy);margin-bottom:6px}
.prod-row h3 a:hover{color:var(--brand)}
.prod-row .pr-model{font-size:12.5px;font-weight:700;color:var(--brand);margin-bottom:6px}
.prod-row p{font-size:13.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prod-row .pr-act{display:flex;flex-direction:column;gap:8px;align-items:stretch;min-width:130px}

/* ---------------- 产品详情 ---------------- */
.pd{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:34px;align-items:start;padding:34px 0 60px}
.pd-gallery{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px}
.pd-main-img{
  background:var(--bg);border-radius:var(--radius);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:20px;margin-bottom:14px
}
.pd-main-img img{max-height:100%;object-fit:contain;mix-blend-mode:multiply}
/* 缩略图：恒一行；超出容器时内部横向滚动（不折行、不撑破版心） */
.pd-thumbs{
  display:flex;gap:12px;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;
  padding:2px 0 4px;scrollbar-width:none;-webkit-overflow-scrolling:touch
}
.pd-thumbs::-webkit-scrollbar{display:none}
/* 等分铺满一行：左右边缘与主图对齐，图片再多也不会折行/溢出 */
.pd-thumbs button{
  flex:1 1 0;min-width:0;max-width:84px;aspect-ratio:1/1;height:auto;
  border:2px solid var(--line);border-radius:8px;background:var(--bg);
  padding:5px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:border-color .16s,box-shadow .16s,transform .16s
}
.pd-thumbs button:hover{border-color:var(--tech);transform:translateY(-1px)}
.pd-thumbs button.on{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.pd-thumbs img{width:100%;height:100%;object-fit:contain;display:block;mix-blend-mode:multiply}
.pd-info h1{font-size:26px;color:var(--navy);margin-bottom:10px}
.pd-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.pd-badges span{font-size:12.5px;background:var(--brand-soft);color:var(--brand);border-radius:14px;padding:4px 12px;font-weight:600}
.pd-summary{font-size:14.5px;color:var(--muted);margin-bottom:20px}
.pd-quick{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:18px}
.pd-quick table{font-size:14px}
.pd-quick th,.pd-quick td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.pd-quick tr:last-child th,.pd-quick tr:last-child td{border-bottom:0}
.pd-quick th{background:var(--bg);color:var(--muted);font-weight:400;width:110px;white-space:nowrap}
.pd-quick td{color:var(--ink);font-weight:600}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap}
.pd-actions .btn{flex:1;min-width:150px}
.pd-trust{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px;font-size:13px;color:var(--muted)}
.pd-trust span{display:flex;align-items:center;gap:6px}

/* 详情页 tab */
.tabs{border-bottom:2px solid var(--line);display:flex;gap:8px;margin:44px 0 26px;flex-wrap:wrap}
.tabs button{
  border:0;background:transparent;padding:12px 22px;font-size:16px;font-weight:700;color:var(--muted);
  cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px
}
.tabs button.on{color:var(--brand);border-bottom-color:var(--brand)}
.tab-pane{display:none}
.tab-pane.on{display:block}

/* 规格表 */
.spec-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.spec-table table{font-size:14px}
.spec-table td{padding:11px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table tr:nth-child(odd){background:var(--bg)}
.spec-table tr:last-child td{border-bottom:0}
.spec-table td:first-child{color:var(--muted);width:190px;white-space:nowrap}
.spec-table td:last-child{color:var(--ink);font-weight:600;white-space:nowrap}
.spec-table td:last-child.long{white-space:normal;font-weight:400}
/* 由两列表转成的表格：mono 列不换行 */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.table-scroll table{min-width:560px;font-size:13.5px}
.table-scroll th,.table-scroll td{padding:10px 14px;border:1px solid var(--line);vertical-align:top;white-space:nowrap}
.table-scroll td.wrap-cell{white-space:normal;min-width:220px}
.table-scroll th{background:var(--bg);color:var(--navy);font-weight:700}
.table-scroll tbody tr:nth-child(even){background:#FBFDFE}

/* 富文本正文 */
.rich{font-size:15.5px;line-height:1.9;color:#243544}
.rich h2,.rich h3{color:var(--navy);margin:28px 0 12px;font-size:20px}
.rich strong{color:var(--navy)}
.rich img{border-radius:var(--radius);margin:16px auto;max-width:100%}
.rich p{margin:0 0 1em}
.rich table{margin:18px 0;font-size:14px;border:1px solid var(--line)}
.rich table td,.rich table th{border:1px solid var(--line);padding:9px 12px;white-space:nowrap}
.rich .tbl-scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.rich .tbl-scroll>table{margin:18px 0 8px}
.rich table.kv{width:auto;min-width:min(560px,100%);border-collapse:collapse}
.rich table.kv td{white-space:normal;line-height:1.6}
.rich table.kv td:first-child{color:var(--navy);font-weight:700;background:var(--bg);white-space:nowrap}
.rich .video-dead{margin:18px 0;padding:18px 20px;border:1px dashed var(--line);border-radius:var(--radius);background:var(--bg);font-size:14px;color:var(--muted)}
.rich .video-dead strong{display:block;color:var(--navy);margin-bottom:4px}
.rich .video-dead a{color:var(--tech);font-weight:600}
.rich ul,.rich ol{margin:0 0 1em 1.3em;padding:0}
.rich ul li{list-style:disc;margin-bottom:6px}
.rich ol li{list-style:decimal;margin-bottom:6px}
.rich a{color:var(--tech);font-weight:600}
.rich a:hover{text-decoration:underline}
.article-head{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:26px}
.article-head h1{font-size:26px;color:var(--navy);margin-bottom:12px}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.article-summary{background:var(--bg);border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;padding:16px 20px;font-size:14.5px;color:var(--muted);margin-bottom:26px}

/* ---------------- 表格：优势 / 对比 ---------------- */
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.adv-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.adv-item .ai-n{
  flex:none;width:38px;height:38px;border-radius:10px;background:var(--navy);color:#8FD4FF;
  display:flex;align-items:center;justify-content:center;font-weight:700
}
.adv-item h3{font-size:16px;color:var(--navy);margin-bottom:4px}
.adv-item p{font-size:13.5px;color:var(--muted);margin:0}

/* ---------------- 关于我们 · 品牌简介（ab-*，build-data.js extractAbout 输出） ---------------- */
.ab-title{font-size:22px;color:var(--navy);margin:0 0 16px}
.rich .ab-h{font-size:19px;margin:30px 0 14px;padding-bottom:10px;position:relative}
.rich .ab-h::after{content:"";position:absolute;left:0;bottom:0;width:46px;height:3px;border-radius:2px;background:var(--brand)}
.ab-photo img{display:block;margin:18px auto}
/* 登山背景图区块：老站是绝对定位背景层，新站改 CSS background + 深蓝遮罩保证文字可读 */
.ab-hero{margin:26px 0 30px;border-radius:var(--radius);overflow:hidden;position:relative;
  background:url('/assets/img/u/images/vicometer/huaxue.jpg') center/cover no-repeat}
.ab-hero::before{content:"";position:absolute;inset:0;background:rgba(7,32,63,.55)}
.ab-hero-in{position:relative;padding:40px 30px 34px;color:#fff;text-align:center}
.rich .ab-hero-in h2{color:#fff;font-size:20px;margin:0 0 24px;padding-bottom:14px;position:relative}
.rich .ab-hero-in h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:46px;height:3px;border-radius:2px;background:#E45858}
.ab-hero-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ab-hero-item img{width:54px;height:54px;object-fit:contain;display:block;margin:0 auto 10px}
.ab-hero-item p{margin:0;font-size:14px;font-weight:600;line-height:1.5}

/* ---------------- 资质 / 证书 ---------------- */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
.cert-card:hover{box-shadow:var(--shadow);border-color:var(--tech)}
.cert-card .cc-img{background:var(--bg);aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;padding:10px}
.cert-card .cc-img img{max-height:100%;object-fit:contain}
.cert-card h3{font-size:13.5px;color:var(--navy);padding:12px 14px;line-height:1.5;margin:0;font-weight:600}
.cert-card h3 a{color:inherit;text-decoration:none}
.cert-card h3 a:hover{color:var(--brand)}
/* 证书扫描件缺失时的降级卡（老站原图已被其自身删除） */
.cert-card .cc-img-ph{flex-direction:column;gap:8px;background:linear-gradient(160deg,#F2F6FA 0%,#E7EFF7 100%);border-bottom:1px dashed var(--line)}
.cert-card .cc-img-ph .cc-ph-t{font-size:26px;font-weight:800;color:var(--navy);opacity:.16;letter-spacing:4px}
.cert-card .cc-img-ph .cc-ph-s{font-size:12.5px;color:var(--muted);letter-spacing:.5px}
.cert-card .cc-img-ph:hover{background:linear-gradient(160deg,var(--brand-soft) 0%,#DCEFE2 100%)}
.cert-card .cc-img-ph:hover .cc-ph-t{color:var(--brand);opacity:.3}
/* 证书 / 专利详情页 */
.cert-figure{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center;margin:22px 0}
.cert-figure>img{max-width:100%;max-height:620px;object-fit:contain;margin:0 auto}
.cert-figure .cc-img-ph{min-height:340px;border:1px dashed var(--line);border-radius:var(--radius)}
.cert-cap{font-size:13.5px;color:var(--muted);margin:16px 0 0}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list a{display:block;padding:10px 20px;font-size:13.5px;color:var(--ink);line-height:1.5}
.side-list a:hover{background:var(--bg);color:var(--brand)}
.side-more{display:block;padding:12px 20px;font-size:13.5px;font-weight:700;color:var(--brand);background:var(--brand-soft);text-align:center}
.side-more:hover{background:#DCEFE2}
/* 上一篇 / 下一篇 */
.art-nav{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.art-nav>a,.art-nav>span{flex:1;min-width:210px;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;font-size:14px;color:var(--ink);line-height:1.55;background:#fff}
.art-nav>a:hover{border-color:var(--tech);color:var(--brand);box-shadow:var(--shadow)}
.art-nav .an-prev span,.art-nav .an-next span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px;font-weight:600;letter-spacing:.5px}
.art-nav .an-next{text-align:right}
.art-nav .dis{color:var(--muted);opacity:.6}

/* ---------------- 技术支持 ---------------- */
.sup-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.sup-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.2s}
.sup-card:hover{border-color:var(--brand);box-shadow:var(--shadow)}
.sup-card h3{font-size:18px;color:var(--navy);margin-bottom:8px}
.sup-card p{font-size:13.5px;color:var(--muted);margin:0 0 14px}
.sup-card .sc-n{font-size:12.5px;color:var(--brand);font-weight:700;letter-spacing:1px;margin-bottom:8px}
.dl-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.dl-list li{display:flex;align-items:center;gap:14px;padding:15px 20px;border-bottom:1px solid var(--line)}
.dl-list li:last-child{border-bottom:0}
.dl-list li:hover{background:var(--bg)}
.dl-list .dl-ico{
  flex:none;width:36px;height:36px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700
}
.dl-list .dl-t{flex:1;min-width:0}
.dl-list .dl-t h3{font-size:15px;color:var(--navy);margin-bottom:3px}
.dl-list .dl-t span{font-size:12.5px;color:var(--muted)}

/* ---------------- 表单 ---------------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--navy);font-weight:600;margin-bottom:7px}
.field label em{color:#D92D20;font-style:normal;margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 14px;outline:none;background:#fff;color:var(--ink)
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--tech);box-shadow:0 0 0 3px var(--tech-soft)}
.field .err{display:none;color:#D92D20;font-size:12.5px;margin-top:5px}
.field.bad input,.field.bad select,.field.bad textarea{border-color:#D92D20}
.field.bad .err{display:block}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:14px}
.form-ok{background:var(--brand-soft);border:1px solid var(--brand);color:var(--brand);border-radius:var(--radius);padding:16px 20px;font-weight:600;margin-bottom:20px}

/* 在线留言页：与全站「侧栏左」布局相反 —— 表单主栏（左 1fr）+ 联系侧栏（右 300px） */
[data-page="inquiry"] .layout{grid-template-columns:minmax(0,1fr) 300px}
/* 留言页里侧栏的「在线留言」按钮指向本页，冗余隐藏 */
[data-page="inquiry"] .side-contact .btn{display:none}
/* 表单卡头：明确这是本页主操作 */
.fc-head{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.fc-head h2{font-size:20px;color:var(--navy);margin-bottom:6px}
.fc-head p{font-size:13.5px;color:var(--muted);margin:0}
.fc-head em{color:#D92D20;font-style:normal}
/* 提交后流程 4 步卡 */
.steps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.qstep{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px 18px}
.qstep .q-n{display:inline-block;font-size:12px;font-weight:800;color:var(--brand);background:var(--brand-soft);border-radius:20px;padding:2px 12px;margin-bottom:10px;letter-spacing:1px}
.qstep h3{font-size:16px;color:var(--navy);margin-bottom:6px}
.qstep p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.65}

/* ---------------- 页脚 ---------------- */
.footer{background:var(--navy-3);color:#9DB6D0;padding:52px 0 0;font-size:13.5px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:38px}
.footer h3{font-size:16px;color:#fff;margin-bottom:16px}
.footer .f-brand .logo-txt strong{color:#fff}
.footer .f-brand .logo-txt em{color:#7C94AC}
.footer .f-brand p{margin:16px 0 0;line-height:1.9}
.footer li{margin-bottom:9px}
.footer a:hover{color:#fff}
.footer .f-contact li{display:flex;gap:10px;margin-bottom:12px}
.footer .f-contact .fk{color:#7C94AC;flex:none}
.footer .f-contact .fv{color:#fff;font-weight:600}
.footer .f-contact .fv.big{font-size:19px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.footer-badges span{border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:3px 12px;font-size:12px;color:#B9CCE0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#7C94AC
}
.footer-bottom a{color:#9DB6D0}

/* 悬浮咨询 */
.float-bar{position:fixed;right:18px;bottom:26px;z-index:90;display:flex;flex-direction:column;gap:10px}
.float-bar a,.float-bar button{
  width:52px;height:52px;border-radius:50%;border:0;background:#fff;box-shadow:var(--shadow-lg);cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:var(--navy);font-weight:700;gap:1px
}
.float-bar .fb-tel{background:var(--grad-brand);color:#fff}
.float-bar a:hover,.float-bar button:hover{transform:translateY(-2px)}
.float-bar svg{width:20px;height:20px}

/* 微信客服弹层（悬浮栏内） */
.fb-wx{position:relative}
.fb-wx>a{color:var(--brand)}
.fb-wx-pop{position:absolute;right:calc(100% + 12px);bottom:0;width:180px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:14px 16px;text-align:center;opacity:0;visibility:hidden;transform:translateX(8px);transition:all .18s;z-index:91}
.fb-wx:hover .fb-wx-pop{opacity:1;visibility:visible;transform:none}
.fb-wx-pop::after{content:"";position:absolute;left:100%;bottom:20px;border:6px solid transparent;border-left-color:#fff}
.fb-wx-pop img{display:block;width:148px;height:148px;margin:0 auto 8px;border-radius:4px}
.fb-wx-pop p{margin:0;font-size:12px;color:var(--muted)}
.fb-wx-pop a{display:inline-block;margin-top:8px;font-size:12.5px;color:var(--brand);font-weight:600;text-decoration:none}
.fb-wx-pop a:hover{text-decoration:underline}
@media (max-width:980px){.fb-wx-pop{display:none}} /* 移动端点图标直接打开客服链接 */

/* 分页 */
.pager{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.pager a,.pager span{
  min-width:38px;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--ink)
}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager .on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}
.pager .dis{color:#B4C2CE;background:var(--bg)}

/* 空状态 */
.empty{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:44px 20px;text-align:center;color:var(--muted)}
.empty strong{display:block;color:var(--navy);font-size:17px;margin-bottom:8px}

/* 询价侧栏（产品页） */
.inq-mini{background:var(--navy);border-radius:var(--radius-lg);padding:24px;color:#fff}
.inq-mini h3{font-size:18px;margin-bottom:6px}
.inq-mini p{font-size:13px;color:#BFD4E8;margin-bottom:16px}
.inq-mini .field label{color:#DCE7F2}
.inq-mini .field input,.inq-mini .field select,.inq-mini .field textarea{
  background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#fff
}
.inq-mini .field input::placeholder,.inq-mini .field textarea::placeholder{color:#8FA9C2}
.inq-mini .field input:focus,.inq-mini .field textarea:focus{background:rgba(255,255,255,.16);border-color:#8FD4FF;box-shadow:none}

/* 关联产品 */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rel-card{border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-align:center;background:#fff}
.rel-card:hover{border-color:var(--brand);box-shadow:var(--shadow)}
.rel-card .rc-img{aspect-ratio:4/3;background:var(--bg);border-radius:8px;display:flex;align-items:center;justify-content:center;padding:8px;margin-bottom:10px}
.rel-card .rc-img img{max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.rel-card h3{font-size:13.5px;color:var(--navy);margin-bottom:4px}
.rel-card span{font-size:12px;color:var(--brand);font-weight:700}

/* 时间轴（关于我们） */
.tl{position:relative;padding-left:28px}
.tl::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:var(--line)}
.tl-item{position:relative;margin-bottom:24px}
.tl-item::before{content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.tl-item h3{font-size:16.5px;color:var(--navy);margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--muted);margin:0}

/* ---------------- 响应式 ---------------- */
@media (max-width:1180px){
  .ind-grid{grid-template-columns:repeat(4,1fr)}
  .prod-grid,.focus-grid,.svc-grid,.sup-grid,.cert-grid,.rel-grid{grid-template-columns:repeat(3,1fr)}
  /* 必须 minmax(0,1fr)：裸 1fr 的 min-content 会被缩略图行撑破版心 */
  .pd{grid-template-columns:minmax(0,1fr)}
  .pd-gallery,.pd-thumbs,.pd-info{min-width:0}
  .mega{min-width:660px}
}
@media (max-width:980px){
  .cat-grid,.news-grid,.adv-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid,.ind-grid,.svc-grid,.sup-grid,.cert-grid,.rel-grid,.focus-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:36px}
  .header-search{display:none}
  .layout,.layout:has(>div:first-child){grid-template-columns:minmax(0,1fr)}
  .side{position:static}
  .footer-top{grid-template-columns:repeat(2,1fr)}
  .hero-stats ul{grid-template-columns:repeat(2,1fr)}
  .hero-stats li:nth-child(3){border-left:0}
  /* 移动端导航 */
  .nav-toggle{display:block}
  .nav>.wrap{justify-content:space-between;height:52px}
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:100%;background:var(--navy-2);
    max-height:calc(100vh - 160px);overflow-y:auto;padding:8px 0 18px;z-index:80
  }
  .nav-menu.open{display:block}
  .nav-spacer{display:none}
  .nav-item{width:100%}
  .nav-item>a{padding:13px 20px;line-height:1.5;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-item:hover>a,.nav-item.on>a{background:rgba(25,127,59,.35)}
  .mega{
    position:static;display:none;min-width:0;width:100%;box-shadow:none;border-radius:0;padding:10px 20px 16px;
    background:rgba(0,0,0,.16);border-top:0
  }
  .nav-item.open .mega{display:block}
  .nav-item:hover .mega{display:none}
  .nav-item.open:hover .mega{display:block}
  .mega-col{max-width:none;flex:1 1 100%}
  .mega-col>h4{color:#fff;border-bottom-color:rgba(255,255,255,.18)}
  .mega-col>h4 a{color:#fff}
  .mega-col ul li a{color:#BFD4E8}
  /* 产品 mega 移动端：取消左右分栏，改成顺序展开全部内容 */
  .mega.mega-product{min-width:0}
  .mg-wrap{display:block}
  .mg-side{flex:none;border-right:0;border-bottom:1px solid rgba(255,255,255,.16);background:transparent;padding:6px 0 10px}
  .mg-side ul li a{color:#fff;padding:9px 14px;border-left-width:0}
  .mg-side ul li a:hover,.mg-side ul li a.on{background:rgba(255,255,255,.08);color:#fff}
  .mg-side ul li a span{background:rgba(255,255,255,.14);color:#DCE8F4}
  .mg-all{margin:8px 14px 0;border-top-color:rgba(255,255,255,.18)}
  .mg-main{padding:14px;max-height:none;overflow:visible}
  .mg-pane{display:block;margin-bottom:20px;padding-bottom:16px;border-bottom:1px dashed rgba(255,255,255,.16)}
  .mg-pane:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
  .mg-head{border-bottom-color:rgba(255,255,255,.18)}
  .mg-head h3 a{color:#fff}
  .mg-head .mg-en{color:#A9C3DA}
  .mg-head .mg-cnt{background:rgba(255,255,255,.14);color:#fff}
  .mg-cols{column-count:1}
  .mg-col>h4 a{color:#fff}
  .mg-col>h4 em{background:rgba(255,255,255,.14);color:#DCE8F4}
  .mg-kids{border-left-color:rgba(255,255,255,.18)}
  .mg-kids li a{color:#BFD4E8}
  .prod-row{grid-template-columns:100px 1fr;gap:14px}
  .prod-row .pr-img{width:100px;height:80px}
  .prod-row .pr-act{grid-column:1/-1;flex-direction:row}
  .prod-row .pr-act .btn{flex:1}
}
@media (max-width:640px){
  .wrap{padding:0 15px}
  .sec{padding:44px 0}
  .hero{padding-top:38px}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15px}
  .sec-head h2{font-size:23px}
  .banner h1{font-size:23px}
  .cat-grid,.news-grid,.adv-grid,.prod-grid,.ind-grid,.svc-grid,.sup-grid,.cert-grid,.rel-grid,.focus-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  /* 品牌简介登山区块：移动端换竖版背景(huaxue1)，图标改 2 列 */
  .ab-hero{background-image:url('/assets/img/u/images/vicometer/huaxue1.jpg');background-position:center 30%}
  .ab-hero-in{padding:30px 20px 26px}
  .ab-hero-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .ab-title{font-size:19px}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .form-row{grid-template-columns:1fr}
  .topbar{display:none}
  .header-main{padding:10px 0;gap:12px}
  .logo img{height:38px}
  .logo-txt strong{font-size:17px}
  .logo-txt em{letter-spacing:1.6px;font-size:10px}
  .header-tel{display:none}
  .hero-actions .btn{flex:1}
  .pd-gallery{padding:14px}
  /* 窄屏：缩略图保持 62px（太小看不清），一行内横向滑动 */
  .pd-thumbs{gap:10px}
  .pd-thumbs button{flex:0 0 auto;width:62px;height:62px;max-width:none;padding:4px}
  .pd-info h1{font-size:21px}
  .article-head h1{font-size:21px}
  .news-list li{gap:14px}
  .news-list .nl-date{width:60px}
  .tabs button{padding:10px 14px;font-size:15px}
  .spec-table td:first-child{width:120px;white-space:normal}
  .spec-table td:last-child{white-space:normal}
  .float-bar{right:12px;bottom:16px}
  .float-bar a,.float-bar button{width:46px;height:46px;font-size:10px}
  .prod-card .pc-img{aspect-ratio:16/10}
}
@media print{
  .header,.nav,.footer,.float-bar,.crumb,.pd-actions,.inq-mini,.tabs{display:none!important}
  .pd{grid-template-columns:1fr}
  .spec-table{page-break-inside:avoid}
}