/* ===========================================================
   联兴试模 · 官网样式  v2 —— 蓝白工业风
   =========================================================== */
:root{
  --primary:#1266DE;
  --primary-deep:#0C4CAF;
  --primary-2:#3E8BFF;
  --navy:#0A2B57;
  --navy-2:#071E3D;
  --bg:#F6F9FD;
  --bg-2:#EEF4FB;
  --surface:#FFFFFF;
  --line:#E3EAF4;
  --line-strong:#C9D8EC;
  --ink:#12243D;
  --muted:#5C6C82;
  --dim:#8494A8;
  --gold:#C88A18;
  --gold-soft:#FDF3DF;
  --soft:#EAF2FE;
  --radius:16px;
  --radius-sm:11px;
  --maxw:1200px;
  --shadow:0 14px 40px rgba(15,60,135,.10);
  --shadow-sm:0 6px 18px rgba(15,60,135,.08);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--navy)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(18,102,222,.18)}

/* ---------- 通用 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--bg-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--primary);
  text-transform:uppercase;margin-bottom:16px;font-weight:700;
  background:var(--soft);border:1px solid rgba(18,102,222,.16);
  padding:5px 14px;border-radius:999px;
}
.center .eyebrow{background:var(--soft)}
.h2{font-size:clamp(25px,3vw,36px);letter-spacing:-.015em}
.h3{font-size:20px}
.lead{color:var(--muted);font-size:16px;max-width:760px;margin-top:14px}
.sec-head{margin-bottom:48px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:12px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:.22s;
}
.btn--primary{
  background:linear-gradient(135deg,var(--primary-2),var(--primary) 55%,var(--primary-deep));
  color:#fff;box-shadow:0 8px 22px rgba(18,102,222,.28);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(18,102,222,.38)}
.btn--ghost{border-color:var(--line-strong);color:var(--primary);background:#fff}
.btn--ghost:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn--sm{padding:9px 20px;font-size:14px}

.arrow::after{content:"→";transition:.2s}
.btn:hover .arrow::after{transform:translateX(3px)}

/* ---------- 顶栏 ---------- */
.topbar{
  background:linear-gradient(90deg,var(--navy-2),var(--navy) 60%,#0D3A78);
  font-size:13px;color:#B9CCE6;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:16px}
.topbar b{color:#fff;font-weight:500}
.topbar span{white-space:nowrap}
.topbar .hot{color:#7EB6FF;font-weight:700}

header.site{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand img{height:40px;width:auto}
.brand .bt{display:flex;flex-direction:column;line-height:1.25}
.brand .bt strong{font-size:17px;letter-spacing:.02em;color:var(--navy)}
.brand .bt em{font-style:normal;font-size:10.5px;color:var(--dim);letter-spacing:.09em}
nav.main{display:flex;align-items:center;gap:4px}
nav.main a{
  padding:9px 16px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:.2s;white-space:nowrap;font-weight:500;
}
nav.main a:hover{color:var(--primary);background:var(--soft)}
nav.main a.active{color:#fff;background:linear-gradient(135deg,var(--primary-2),var(--primary-deep))}
.header-cta{display:flex;align-items:center;gap:10px}
.burger{display:none;background:#fff;border:1px solid var(--line-strong);color:var(--navy);
  width:42px;height:38px;border-radius:10px;cursor:pointer;font-size:18px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--navy-2)}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(6,26,54,.94) 8%,rgba(8,38,84,.82) 52%,rgba(10,55,120,.62) 100%);
}
.hero .wrap{position:relative;padding:118px 24px 92px}
.hero h1{font-size:clamp(30px,4.6vw,56px);letter-spacing:-.02em;max-width:16em;color:#fff}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,#8FC3FF,#3E8BFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .sub{margin-top:22px;font-size:clamp(15px,1.4vw,18px);color:#C2D4EC;max-width:44em}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.tag{
  font-size:13.5px;padding:7px 16px;border-radius:999px;
  border:1px solid rgba(160,195,255,.35);color:#D9E7FA;
  background:rgba(255,255,255,.07);backdrop-filter:blur(4px);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero .btn--ghost{background:rgba(255,255,255,.06);border-color:rgba(180,210,255,.45);color:#fff}
.hero .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.14);box-shadow:none}

/* 首页 Hero 右侧咨询卡 */
.hero-grid{display:grid;grid-template-columns:1.45fr .85fr;gap:56px;align-items:center;position:relative}
.hero-card{
  background:rgba(255,255,255,.09);border:1px solid rgba(170,205,255,.28);
  border-radius:20px;padding:30px 28px;backdrop-filter:blur(10px);
  box-shadow:0 20px 50px rgba(3,18,40,.35);
}
.hero-card .cap{
  display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:700;
  color:#9CC4F8;border:1px solid rgba(170,205,255,.35);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.hero-card h3{color:#fff;font-size:18px;margin-bottom:6px}
.hero-card .note{color:#9FB8D8;font-size:13px;margin-bottom:18px}
.hero-card .row{display:flex;align-items:baseline;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.hero-card .row span{color:#8FAED4;font-size:13px;flex:0 0 62px}
.hero-card .row a,.hero-card .row b{color:#fff;font-size:18px;font-weight:700;letter-spacing:.01em}
.hero-card .row a:hover{color:#9CC4F8}
.hero-card .qr{display:flex;gap:16px;align-items:center;margin-top:20px}
.hero-card .qr img{width:104px;height:104px;border-radius:12px;background:#fff;padding:6px}
.hero-card .qr p{font-size:13px;color:#BFD3EC;line-height:1.7}
.hero-card .qr p b{display:block;color:#fff;font-size:14.5px;font-weight:700;margin-bottom:4px}

/* ---------- 数据带 ---------- */
.stats{
  background:linear-gradient(120deg,var(--navy-2) 0%,#0C3B7E 55%,#1266DE 130%);
  color:#fff;
}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:38px 24px;border-right:1px solid rgba(255,255,255,.14);text-align:center}
.stat:last-child{border-right:0}
.stat .num{font-size:clamp(27px,3.4vw,42px);font-weight:800;color:#fff;letter-spacing:-.02em}
.stat .num small{font-size:.5em;font-weight:700;margin:0 3px;color:#EAF3FF}
.stat .lb{margin-top:6px;font-size:13.5px;color:#AFC8E8}

/* ---------- 卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;transition:.25s;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary-2),var(--primary-deep));
  opacity:0;transition:.25s;
}
.card:hover{border-color:rgba(18,102,222,.35);transform:translateY(-5px);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card .ico{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:46px;height:46px;padding:0 15px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary-2),var(--primary-deep));
  color:#fff;font-size:16px;font-weight:700;letter-spacing:.02em;
  margin-bottom:18px;box-shadow:0 6px 14px rgba(18,102,222,.25);
}
.card .ico small{font-size:.78em;margin-left:1px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.card ul{margin-top:14px;display:grid;gap:7px}
.card ul li{color:var(--muted);font-size:14px;padding-left:17px;position:relative}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:50%;background:var(--primary-2);opacity:.9}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split--rev .split-txt{order:2}
.split img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.kv{display:grid;gap:14px;margin-top:26px}
.kv .row{display:grid;grid-template-columns:104px 1fr;gap:16px;
  padding-bottom:14px;border-bottom:1px dashed var(--line-strong)}
.kv .row dt{color:var(--dim);font-size:14px}
.kv .row dd{margin:0;font-size:15px}

/* ---------- 相册 ---------- */
.gallery{display:grid;gap:18px}
.gallery.cols-3{grid-template-columns:repeat(3,1fr)}
.gallery.cols-4{grid-template-columns:repeat(4,1fr)}
.gallery.cols-2{grid-template-columns:repeat(2,1fr)}
.gallery figure{margin:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);position:relative;box-shadow:var(--shadow-sm)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.5s;aspect-ratio:4/3}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:30px 16px 13px;
  font-size:14px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(6,26,54,.86));
}
.gallery figure.wide img{aspect-ratio:16/7}
.gallery figure.fit{background:#fff}
.gallery figure.fit img{object-fit:contain;background:#fff;aspect-ratio:16/10}

/* ---------- 设备筛选 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  padding:8px 20px;border-radius:999px;border:1.5px solid var(--line-strong);
  background:#fff;color:var(--muted);font-size:14px;cursor:pointer;
  font-family:inherit;transition:.2s;font-weight:500;
}
.chip:hover{color:var(--primary);border-color:var(--primary)}
.chip.on{background:linear-gradient(135deg,var(--primary-2),var(--primary-deep));border-color:transparent;color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(18,102,222,.25)}
.tablewrap{
  border:1px solid var(--line);border-radius:var(--radius);overflow:auto;background:#fff;box-shadow:var(--shadow-sm);
}
table.eq{width:100%;border-collapse:collapse;min-width:820px;font-size:14.5px}
table.eq th{
  position:sticky;top:0;background:var(--soft);color:var(--navy);
  font-weight:700;font-size:13px;letter-spacing:.04em;
  padding:14px 16px;text-align:left;white-space:nowrap;border-bottom:2px solid rgba(18,102,222,.25);
}
table.eq td{padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap;color:#3D4E63}
table.eq tr:last-child td{border-bottom:0}
table.eq tbody tr:hover{background:var(--soft)}
table.eq .model{color:var(--navy);font-weight:700}
.type{display:inline-block;font-size:12.5px;padding:3px 10px;border-radius:6px;font-weight:600}
.type--1{background:#EDF1F7;color:#5C6C82}
.type--2{background:var(--gold-soft);color:var(--gold)}
.type--3{background:var(--soft);color:var(--primary)}
.type--t{background:#E3F7F5;color:#0E8C82}
.table-note{margin-top:14px;color:var(--dim);font-size:13.5px}
.counter{color:var(--muted);font-size:14px;margin-bottom:14px}
.counter b{color:var(--primary);font-size:17px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:12px}
.step{padding:0 18px;position:relative}
.step::after{
  content:"";position:absolute;top:22px;right:-6px;width:12px;height:12px;
  border-top:2px solid var(--line-strong);border-right:2px solid var(--line-strong);
  transform:rotate(45deg);
}
.step:last-child::after{display:none}
.step .n{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  color:#fff;font-weight:800;margin-bottom:16px;
  background:linear-gradient(135deg,var(--primary-2),var(--primary-deep));
  box-shadow:0 6px 14px rgba(18,102,222,.25);
}
.step h4{font-size:16px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
  box-shadow:var(--shadow-sm);transition:.25s;
}
.contact-card:hover{box-shadow:var(--shadow);border-color:rgba(18,102,222,.3)}
.contact-card .site{
  display:inline-block;font-size:12.5px;letter-spacing:.1em;color:var(--primary);
  background:var(--soft);border:1px solid rgba(18,102,222,.16);
  padding:4px 13px;border-radius:999px;margin-bottom:18px;font-weight:700;
}
.contact-card h3{font-size:20px;margin-bottom:6px}
.contact-card .en{color:var(--dim);font-size:13px;margin-bottom:20px}
.contact-list{display:grid;gap:14px}
.contact-list .it{display:grid;grid-template-columns:64px 1fr;gap:14px;font-size:15px}
.contact-list .it span{color:var(--dim);font-size:13.5px;padding-top:1px}
.contact-list .it b{font-weight:500;color:#2A3C55}
.contact-list a{color:var(--primary);font-weight:600}

.qr-block{display:flex;gap:22px;flex-wrap:wrap;margin-top:32px;align-items:flex-start}
.qr-block .q{
  text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 14px 10px;box-shadow:var(--shadow-sm);
}
.qr-block img{width:132px;height:132px;border-radius:8px}
.qr-block .q p{margin-top:8px;font-size:13px;color:var(--muted);font-weight:500}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(120deg,var(--navy-2) 0%,#0C3B7E 55%,var(--primary) 130%);
  border-radius:22px;color:#fff;
  padding:56px 52px;display:flex;flex-wrap:wrap;gap:28px;
  align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;box-shadow:0 18px 44px rgba(12,59,126,.30);
}
.cta::before{
  content:"";position:absolute;right:-100px;top:-140px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(93,160,255,.35),transparent 70%);
}
.cta h2{font-size:clamp(22px,2.6vw,30px);color:#fff;position:relative}
.cta p{color:#BBD2EF;margin-top:12px;max-width:46em;position:relative}
.cta .acts{display:flex;gap:14px;flex-wrap:wrap;position:relative}
.cta .btn--ghost{background:rgba(255,255,255,.08);border-color:rgba(180,210,255,.5);color:#fff}
.cta .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.16);box-shadow:none}

/* ---------- 页脚 ---------- */
footer.site{border-top:1px solid var(--line);background:var(--navy-2);padding:66px 0 30px;margin-top:0}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
footer h4{font-size:15px;margin-bottom:16px;color:#fff}
footer p,footer li,footer a{color:#9FB4CF;font-size:14px}
footer li{margin-bottom:9px}
footer a:hover{color:#fff}
footer .about p{line-height:1.8}
footer .brand{margin-bottom:16px}
footer .brand img{background:#fff;padding:5px 10px;border-radius:9px;height:46px}
footer .brand .bt strong{color:#fff}
footer .brand .bt em{color:#7C93B4}
footer .bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:#6E84A5;font-size:13px;
}

/* ---------- 页头（内页） ---------- */
.pagehead{
  position:relative;padding:80px 0 64px;background:linear-gradient(115deg,var(--navy-2) 0%,#0C3B7E 60%,#1255B8 120%);
  border-bottom:none;overflow:hidden;color:#fff;
}
.pagehead::before{
  content:"";position:absolute;right:-120px;top:-140px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(93,160,255,.28),transparent 70%);
}
.pagehead::after{
  content:"";position:absolute;left:-80px;bottom:-160px;width:340px;height:340px;
  border-radius:50%;background:radial-gradient(circle,rgba(18,102,222,.20),transparent 70%);
}
.pagehead .wrap{position:relative}
.pagehead h1{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.02em;color:#fff}
.pagehead p{color:#BBD2EF;margin-top:14px;max-width:60em}
.crumb{font-size:13.5px;color:#8CA6C8;margin-bottom:16px}
.crumb a:hover{color:#fff}

/* ---------- 提示条 ---------- */
.notice{
  border-left:4px solid var(--gold);background:var(--gold-soft);
  padding:16px 20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#7A5A10;font-size:14.5px;margin-top:26px;
}
.notice a{color:var(--primary);font-weight:600}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .step::after{display:none}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  nav.main{
    position:absolute;left:0;right:0;top:74px;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:12px;gap:2px;display:none;
    box-shadow:var(--shadow);
  }
  nav.main.open{display:flex}
  .burger{display:block}
  /* 顶栏：两条信息改为可换行，避免 nowrap 撑破视口（768 档实测溢出 29px） */
  .topbar .wrap{flex-wrap:wrap;height:auto;min-height:34px;padding:6px 18px;
    gap:4px 18px;justify-content:flex-start;align-items:center}
  .topbar span{white-space:normal;overflow-wrap:anywhere;min-width:0}
  .topbar .wrap span:nth-child(n+3){display:none}
  .split{grid-template-columns:1fr;gap:32px}
  .split--rev .split-txt{order:0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .gallery.cols-4{grid-template-columns:repeat(2,1fr)}
  .section{padding:70px 0}
  .hero .wrap{padding:80px 24px 62px}
  .cta{padding:38px 28px}
}
@media(max-width:620px){
  /* 小屏兜底：杜绝横向滚动条 */
  html{overflow-x:hidden}
  /* grid/flex 子项允许收缩（默认 min-width:auto 会被长文本/表格撑宽） */
  .contact-grid>*,.contact-list .it>*,.qr-block>*,.hero-card>*,.split>*,.grid-2>*,.grid-3>*,.grid-4>*{min-width:0}
  /* 长英文串（邮箱、型号）允许断行 */
  .contact-list a,.contact-list b,footer li,footer p,footer a,.hero-card .row a,.card p{overflow-wrap:anywhere}
  .stats .grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid rgba(255,255,255,.14)}
  .stat:nth-child(2n){border-right:0}
  .brand .bt em{display:none}
  .gallery.cols-3{grid-template-columns:1fr}
  .header-cta .btn{display:none}
  /* 顶栏：信息行折叠 + 允许换行（避免 nowrap 撑破视口） */
  .topbar .wrap span:nth-child(n+2){display:none}
  .topbar .wrap{justify-content:flex-start;height:auto;min-height:34px;font-size:12.5px;padding:6px 18px;gap:10px}
  .topbar span{white-space:normal;overflow-wrap:anywhere}
  /* CTA 按钮加大触摸区 */
  .btn{min-height:42px}
  .chip{min-height:38px}
}

/* ---------- 小屏（xs 480） ---------- */
@media(max-width:480px){
  body{font-size:15.5px;-webkit-text-size-adjust:100%}
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:42px 0}
  .pagehead{padding:60px 0 48px}
  .pagehead h1{font-size:26px;line-height:1.3}
  .pagehead p{font-size:14.5px}
  .crumb{font-size:12.5px;margin-bottom:12px}
  .h2{font-size:24px}
  .h3{font-size:17px}
  .lead{font-size:14.5px}
  .sec-head{margin-bottom:32px}
  .eyebrow{font-size:11.5px;padding:4px 11px;margin-bottom:12px}

  /* 顶栏 */
  header.site .wrap{height:60px;gap:6px}
  .brand img{height:34px}
  .brand{gap:9px}
  .brand .bt strong{font-size:15px}
  .burger{width:40px;height:36px;font-size:16px}
  nav.main{top:60px;padding:10px}
  nav.main a{padding:11px 14px;font-size:14.5px}
  .topbar{font-size:12px}

  /* Hero */
  .hero .wrap{padding:60px 20px 48px}
  .hero h1{font-size:27px;line-height:1.28;max-width:14em}
  .hero .sub{font-size:14.5px;margin-top:16px}
  .hero-tags{gap:8px;margin-top:22px}
  .tag{font-size:12.5px;padding:6px 12px}
  .hero-actions{gap:10px;margin-top:30px}
  .btn{padding:12px 22px;font-size:14.5px;min-height:44px}
  .btn--sm{padding:10px 18px;font-size:13.5px;min-height:38px}

  /* 咨询卡 */
  .hero-card{padding:22px 20px;border-radius:16px}
  .hero-card .cap{font-size:11px;padding:3px 10px;margin-bottom:14px}
  .hero-card h3{font-size:16px}
  .hero-card .note{font-size:12.5px;margin-bottom:14px}
  .hero-card .row{padding:9px 0;gap:10px}
  .hero-card .row span{flex:0 0 54px;font-size:12.5px}
  .hero-card .row a,.hero-card .row b{font-size:15.5px}
  .hero-card .qr{flex-direction:row;gap:12px;margin-top:16px;align-items:center}
  .hero-card .qr img{width:78px;height:78px;padding:4px}
  .hero-card .qr p{font-size:12px;line-height:1.6}
  .hero-card .qr p b{font-size:13px;margin-bottom:3px}

  /* 数据带 */
  .stats .grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:24px 10px;border-right:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .stat .num{font-size:24px}
  .stat .lb{font-size:12px}

  /* 卡片 */
  .card{padding:24px 20px}
  .card h3{font-size:16.5px;margin-bottom:8px}
  .card p{font-size:13.5px}
  .card .ico{min-width:40px;height:40px;padding:0 12px;font-size:14px;margin-bottom:14px}

  /* 图文分栏 */
  .split{gap:28px}
  .kv{margin-top:18px}
  .kv .row{grid-template-columns:80px 1fr;gap:12px;padding-bottom:12px}
  .kv .row dt{font-size:13px}
  .kv .row dd{font-size:14px}

  /* 步骤 */
  .step{padding:0 6px}
  .step .n{width:40px;height:40px;font-size:14px;margin-bottom:12px;border-radius:12px}
  .step h4{font-size:14.5px;margin-bottom:6px}
  .step p{font-size:13px}

  /* 相册 */
  .gallery{gap:12px}
  .gallery.cols-3,.gallery.cols-4{grid-template-columns:1fr}
  .gallery.cols-2{grid-template-columns:1fr}
  .gallery figcaption{font-size:12.5px;padding:24px 12px 10px}

  /* 设备表 */
  .filters{gap:8px;margin-bottom:18px;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:4px}
  .filters::-webkit-scrollbar{display:none}
  .chip{padding:7px 14px;font-size:13px;white-space:nowrap;flex-shrink:0}
  table.eq{min-width:720px;font-size:13.5px}
  table.eq th{padding:11px 12px;font-size:12.5px}
  table.eq td{padding:10px 12px}
  .tablewrap{position:relative;-webkit-overflow-scrolling:touch}
  .tablewrap::after{
    content:"← 左右滑动 →";position:sticky;right:0;bottom:0;
    display:block;text-align:center;font-size:11.5px;color:var(--dim);
    background:linear-gradient(0deg,var(--bg) 60%,transparent);padding:6px 0 2px;pointer-events:none;
  }
  .table-note{font-size:12.5px;margin-top:12px}

  /* 联系 */
  .contact-card{padding:26px 22px}
  .contact-card h3{font-size:17px}
  .contact-card .en{font-size:12.5px;margin-bottom:16px}
  .contact-list{gap:12px}
  .contact-list .it{grid-template-columns:52px 1fr;gap:10px;font-size:14px}
  .contact-list .it span{font-size:12.5px}
  .qr-block{gap:14px;margin-top:24px}
  .qr-block img{width:108px;height:108px}
  .qr-block .q{padding:10px 10px 8px}
  .qr-block .q p{font-size:12px}

  /* CTA */
  .cta{padding:30px 22px;border-radius:18px;gap:18px}
  .cta h2{font-size:19px;line-height:1.4}
  .cta p{font-size:13.5px;margin-top:8px}
  .cta .acts{gap:10px;width:100%}
  .cta .acts .btn{flex:1;justify-content:center}

  /* 页脚 */
  footer.site{padding:48px 0 24px;margin-top:0}
  footer .cols{grid-template-columns:1fr;gap:26px}
  footer h4{font-size:14.5px;margin-bottom:12px}
  footer p,footer li,footer a{font-size:13.5px}
  footer .about p{line-height:1.75}
  footer .bottom{margin-top:30px;padding-top:18px;font-size:12px;gap:8px}

  /* 提示条 */
  .notice{padding:14px 16px;font-size:13.5px}

  /* 滚动行为：iOS 平滑 */
  .tablewrap,.filters{scrollbar-width:none}
}

/* ---------- 触摸设备：统一最小点击区 ---------- */
@media(hover:none) and (pointer:coarse){
  .btn,.chip,.cat-item,.tg,.nav-item,.filter-pill{min-height:44px}
  .card{cursor:default}
}

/* ---------- 折叠屏/横屏小高度 ---------- */
@media(max-height:500px) and (orientation:landscape){
  .hero .wrap{padding:40px 24px 30px}
  .hero h1{font-size:24px}
  .hero .sub{margin-top:12px}
}