/* ==========================================================================
   河南合信矿山机械 · 液压支架千斤顶 / 立柱
   www.qianjinding.cc  —— 2026-10 改版
   ========================================================================== */
:root{
  --navy:#0b1a2a;
  --navy2:#14344f;
  --navy3:#1d4666;
  --red:#c8102e;
  --red-d:#9e0c23;
  --red-l:#fdf2f4;
  --ink:#16212c;
  --body:#3d4c5a;
  --muted:#5f7183;
  --faint:#8b9aa8;
  --line:#e2e9f0;
  --line2:#eef3f8;
  --bg:#f5f8fa;
  --mono:"Consolas","SF Mono","Roboto Mono","Courier New",monospace;
  --shadow:0 12px 30px rgba(11,26,42,.08);
  --shadow-lg:0 24px 56px rgba(11,26,42,.14);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--body);background:#fff;line-height:1.75;font-size:15.5px;
  overflow-x:clip;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
.wrap{width:min(1180px,92vw);margin:0 auto;}
.wrap>.col,.grid>*,.split>*{min-width:0;}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--navy);color:#96abc0;font-size:13px;letter-spacing:.2px;}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:38px;gap:14px;}
.topbar a{color:#d6e3ef;}
.topbar a:hover{color:#fff;}
.topbar .tb-r{display:flex;align-items:center;gap:18px;}
.topbar .tb-r a.hi{color:#ffd7dc;font-weight:700;border-bottom:1px solid rgba(255,138,151,.5);padding-bottom:1px;}
.topbar .tb-l b{color:#e9f1f8;font-weight:600;}

/* ---------- 导航 ---------- */
header.site{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);
  backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .2s;}
header.site.scrolled{box-shadow:0 6px 24px rgba(11,26,42,.09);}
nav.main .wrap{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:22px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand img{height:42px;width:auto;}
.brand .bt strong{display:block;font-size:17px;letter-spacing:.3px;line-height:1.22;color:var(--navy);white-space:nowrap;}
.brand .bt em{display:block;font-style:normal;font-size:10px;letter-spacing:1.4px;color:var(--faint);text-transform:uppercase;}
.navlinks{display:flex;align-items:center;gap:2px;font-size:14.6px;}
.navlinks>a,.navlinks>.has-sub>a{display:block;padding:10px 13px;color:#28353f;border-radius:6px;position:relative;white-space:nowrap;}
.navlinks>a:hover,.navlinks>.has-sub>a:hover,.navlinks>.has-sub:hover>a{color:var(--red);background:#fbfcfe;}
.navlinks .has-sub{position:relative;}
.navlinks .has-sub>a::after{content:"";display:inline-block;width:5px;height:5px;margin-left:6px;vertical-align:2px;
  border-right:1.6px solid #9aa9b7;border-bottom:1.6px solid #9aa9b7;transform:rotate(45deg);transition:.2s;}
.navlinks .has-sub:hover>a::after{transform:rotate(225deg) translate(-1px,-1px);border-color:var(--red);}
.navlinks a.on{color:var(--red);font-weight:700;}
.navlinks a.on::before{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--red);border-radius:2px;}
.sub{position:absolute;left:-14px;top:calc(100% + 8px);min-width:560px;background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:var(--shadow-lg);padding:16px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:.18s;display:grid;grid-template-columns:1fr 1fr;gap:2px 18px;}
.sub.wide{min-width:660px;grid-template-columns:1fr 1fr 1fr;}
.sub.narrow{min-width:330px;grid-template-columns:1fr;}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:translateY(0);}
.sub a{display:block;padding:8px 10px;border-radius:6px;font-size:14px;color:#2d3b48;line-height:1.45;}
.sub a:hover{background:var(--red-l);color:var(--red);}
.sub a b{display:block;font-weight:600;}
.sub a span{display:block;font-size:11.6px;color:var(--faint);letter-spacing:.2px;}
.sub a:hover span{color:#c9808c;}
.sub .sh{grid-column:1/-1;font-family:var(--mono);font-size:10.5px;letter-spacing:1.6px;color:#b3c0cc;
  padding:8px 10px 4px;border-top:1px solid var(--line2);margin-top:6px;}
.sub .sh:first-child{border-top:0;margin-top:0;padding-top:2px;}
.nav-cta{display:inline-flex;align-items:center;gap:7px;background:var(--red);color:#fff!important;font-weight:700;
  padding:10px 18px!important;border-radius:6px;box-shadow:0 8px 18px rgba(200,16,46,.22);white-space:nowrap;}
.nav-cta:hover{background:var(--red-d);color:#fff!important;}
.burger{display:none;width:44px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.burger span{display:block;width:19px;height:2px;background:var(--navy);border-radius:2px;transition:.2s;}
body.nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.nav-open .burger span:nth-child(2){opacity:0;}
body.nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 抽屉 ---------- */
.mask{position:fixed;inset:0;background:rgba(8,18,28,.5);opacity:0;visibility:hidden;transition:.22s;z-index:90;}
body.nav-open .mask{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);background:#fff;z-index:95;
  transform:translateX(102%);transition:transform .26s cubic-bezier(.4,0,.2,1);overflow-y:auto;
  display:flex;flex-direction:column;box-shadow:-18px 0 50px rgba(8,18,28,.24);}
body.nav-open .drawer{transform:translateX(0);}
.drawer .dh{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);}
.drawer .dh strong{font-size:15px;color:var(--navy);}
.drawer .dx{width:34px;height:34px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;
  font-size:17px;line-height:1;color:#4d5c6a;display:flex;align-items:center;justify-content:center;}
.drawer .db{padding:6px 0 22px;flex:1;}
.dgrp{padding:12px 18px 4px;}
.dgrp>h4{font-family:var(--mono);font-size:10.5px;letter-spacing:1.6px;color:#b0bdc9;font-weight:700;margin-bottom:6px;}
.dgrp a{display:block;padding:9px 12px;font-size:14.4px;color:#28353f;border-radius:7px;}
.dgrp a:hover{background:var(--red-l);color:var(--red);}
.dgrp a.top{font-weight:700;color:var(--navy);}
.dgrp .sub2{display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:2px 0 6px;}
.dgrp .sub2 a{font-size:13.4px;padding:7px 10px;color:#4a5a68;}
.drawer .df{padding:16px 18px;border-top:1px solid var(--line);background:var(--bg);}
.drawer .df .btn{width:100%;}
.drawer .df p{font-size:12.4px;color:var(--muted);margin-top:10px;text-align:center;}

/* ---------- 面包屑 ---------- */
.crumb{background:var(--bg);border-bottom:1px solid var(--line);font-size:12.8px;color:var(--faint);}
.crumb .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:7px;min-height:42px;}
.crumb a{color:#6b7d8d;}
.crumb a:hover{color:var(--red);}
.crumb i{font-style:normal;color:#c3ceda;}

/* ---------- 页头 ---------- */
.pagehead{background:linear-gradient(150deg,#0b1a2a 0%,#14344f 62%,#0a1d2c 100%);color:#e7eff7;position:relative;overflow:hidden;}
.pagehead::after{content:"";position:absolute;inset:0;opacity:.1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.2) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.2) 1px,transparent 1px);
  background-size:56px 56px;}
.pagehead .wrap{position:relative;z-index:2;padding:44px 0 46px;}
.pagehead .kick{display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:2.2px;color:#ff9ca7;
  background:rgba(200,16,46,.16);border:1px solid rgba(255,140,152,.3);padding:4px 12px;border-radius:999px;margin-bottom:14px;}
.pagehead h1{font-size:33px;line-height:1.32;letter-spacing:.3px;color:#fff;font-weight:800;}
.pagehead h1 em{font-style:normal;color:#ff8a97;}
.pagehead p{margin-top:12px;color:#b9cbda;font-size:15px;line-height:1.9;max-width:800px;}
.pagehead .metas{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;list-style:none;}
.pagehead .metas li{font-size:12.8px;color:#cfdeeb;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);padding:4px 11px;border-radius:5px;font-family:var(--mono);letter-spacing:.3px;}

/* ---------- 通用块 ---------- */
section{padding:64px 0;}
section.tight{padding:44px 0;}
.alt{background:var(--bg);}
.sec-head{max-width:800px;margin-bottom:32px;}
.sec-head .kicker{display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:2.4px;color:var(--red);
  font-weight:700;margin-bottom:8px;}
.sec-head h2{font-size:28px;line-height:1.36;letter-spacing:.2px;color:var(--navy);font-weight:800;}
.sec-head p{color:var(--muted);margin-top:10px;font-size:15.2px;}
.sec-head.between{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none;}
.more{font-size:13.6px;color:var(--red);font-weight:700;white-space:nowrap;padding-bottom:4px;}
.more:hover{text-decoration:underline;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:6px;
  font-size:15px;font-weight:700;transition:.17s;border:1px solid transparent;cursor:pointer;}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 10px 24px rgba(200,16,46,.26);}
.btn-primary:hover{background:var(--red-d);transform:translateY(-1px);}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.62);}
.btn-line{border-color:#cfdae5;color:var(--navy);background:#fff;}
.btn-line:hover{border-color:var(--navy);box-shadow:var(--shadow);}

/* ---------- 首页 HERO ---------- */
.hero{position:relative;color:#e9f0f7;overflow:hidden;
  background:radial-gradient(760px 400px at 88% 12%,rgba(200,16,46,.22),transparent 62%),
             linear-gradient(150deg,#0b1a2a 0%,#123450 58%,#09161f 100%);}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.12;
  background-image:linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:54px 54px;}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center;padding:56px 0 58px;}
.hero .eyebrow{display:inline-block;font-size:12.5px;letter-spacing:2.1px;color:#ff9ca7;background:rgba(200,16,46,.16);
  border:1px solid rgba(255,140,152,.32);padding:5px 13px;border-radius:999px;margin-bottom:16px;}
.hero h1{font-size:37px;line-height:1.34;letter-spacing:.3px;font-weight:800;margin-bottom:15px;}
.hero h1 span{color:#ff8a97;}
.hero .lead{color:#c2d3e2;font-size:15.6px;line-height:1.9;max-width:600px;}
.hero .lead b{color:#fff;}
.hero-tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px;}
.hero-tags li{font-size:12.8px;color:#d7e4f1;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  padding:4px 11px;border-radius:4px;}
.btns{display:flex;gap:12px;flex-wrap:wrap;}
.hero-card{position:relative;border-radius:10px;overflow:hidden;border:1px solid rgba(255,255,255,.2);box-shadow:0 26px 60px rgba(0,0,0,.45);}
.hero-card img{width:100%;height:min(452px,52vw);object-fit:cover;object-position:center 55%;}
.hero-card .cap{position:absolute;left:0;right:0;bottom:0;padding:26px 18px 13px;font-size:12.4px;color:#e6eef6;
  background:linear-gradient(transparent,rgba(6,15,24,.88));letter-spacing:.3px;}
.hero-card .badge{position:absolute;left:14px;top:14px;background:var(--red);color:#fff;font-size:12.4px;font-weight:700;
  padding:5px 11px;border-radius:4px;letter-spacing:.5px;}

/* ---------- 数据条 ---------- */
.stats{background:#08141f;color:#cbdae7;border-top:1px solid rgba(255,255,255,.07);}
.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr);padding:22px 0;}
.stats .st{text-align:center;border-right:1px solid rgba(255,255,255,.09);padding:4px 8px;}
.stats .st:last-child{border-right:0;}
.stats .n{font-size:22px;font-weight:800;color:#fff;letter-spacing:.4px;font-family:var(--mono);}
.stats .n i{font-style:normal;color:#ff8a97;font-size:13px;margin-left:2px;font-family:inherit;}
.stats .t{font-size:12.6px;color:#93a8bb;margin-top:2px;}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:16px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:20px 20px 18px;transition:.18s;
  display:flex;flex-direction:column;position:relative;overflow:hidden;}
.card:hover{border-color:#c8d6e3;box-shadow:var(--shadow);transform:translateY(-2px);}
.card .no{font-family:var(--mono);font-size:11px;letter-spacing:1.4px;color:#b9c6d3;font-weight:700;}
.card h3{font-size:17.2px;color:var(--navy);margin:5px 0 7px;line-height:1.4;font-weight:800;}
.card h3 em{font-style:normal;font-size:12px;color:var(--faint);font-weight:400;margin-left:6px;font-family:var(--mono);}
.card p{font-size:13.6px;color:var(--muted);line-height:1.78;flex:1;}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;}
.card .tags span{font-family:var(--mono);font-size:11.4px;color:#5d7386;background:#f2f6fa;border:1px solid #e6eef5;
  padding:2px 7px;border-radius:3px;letter-spacing:.2px;}
.card .go{margin-top:13px;font-size:12.8px;color:var(--red);font-weight:700;letter-spacing:.2px;}
.card .go::after{content:" →";}
.card:hover .go{text-decoration:underline;}
.card.media{padding:0;}
.card.media .fig{flex:0 0 auto;aspect-ratio:3/4;overflow:hidden;background:#0e1c29;position:relative;}
.card.media .fig img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.card.media:hover .fig img{transform:scale(1.04);}
.card.media .bd{padding:15px 17px 16px;display:flex;flex-direction:column;flex:1;}
.card.media h3{margin-top:0;font-size:16.4px;}
.card.media .cap{font-size:12.4px;color:var(--muted);line-height:1.7;flex:1;}
.card .idx-chip{position:absolute;left:11px;top:11px;background:rgba(9,22,36,.72);color:#fff;font-family:var(--mono);
  font-size:11px;padding:3px 8px;border-radius:3px;letter-spacing:.5px;z-index:2;}

/* ---------- 产品行（品类总览） ---------- */
.groups{border-top:1px solid var(--line);}
.grp{display:grid;grid-template-columns:250px 1fr;gap:30px;padding:26px 0 28px;border-bottom:1px solid var(--line);}
.grp-l .idx{font-family:var(--mono);font-size:11.5px;font-weight:700;color:#b9c6d3;letter-spacing:1.6px;}
.grp-l h3{font-size:19.5px;color:var(--navy);margin:5px 0 7px;line-height:1.4;}
.grp-l h3 a:hover{color:var(--red);}
.grp-l p{font-size:13.4px;color:var(--muted);line-height:1.8;}
.grp-l .cnt{display:inline-block;margin-top:9px;font-family:var(--mono);font-size:11.6px;color:var(--red);
  border:1px solid #f2cfd6;background:var(--red-l);border-radius:4px;padding:2px 8px;}
.items{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;}
.item{display:grid;grid-template-columns:220px 1fr;gap:0 18px;align-items:center;padding:12px 18px;
  border-bottom:1px solid var(--line2);transition:.14s;}
.item:last-child{border-bottom:0;}
.item:hover{background:#fbfcfe;box-shadow:inset 3px 0 0 var(--red);}
.item h4{font-size:15.2px;color:var(--navy);line-height:1.4;margin-bottom:2px;}
.item h4 a:hover{color:var(--red);}
.item .spec{font-family:var(--mono);font-size:11.4px;color:#93a2b1;letter-spacing:.3px;}
.item p{font-size:13.4px;color:#4c5b6a;line-height:1.72;border-left:1px solid var(--line2);padding-left:18px;}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#fff;}
table.tbl{width:100%;border-collapse:collapse;font-size:13.8px;min-width:600px;}
table.tbl th,table.tbl td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line2);vertical-align:top;}
table.tbl thead th{background:#f6f9fc;color:var(--navy);font-weight:700;font-size:13.2px;white-space:nowrap;
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1;}
table.tbl tbody tr:hover{background:#fbfcfe;}
table.tbl tbody tr:last-child td{border-bottom:0;}
table.tbl td.code{font-family:var(--mono);font-size:12.8px;color:#1f4b6e;letter-spacing:.2px;white-space:nowrap;}
table.tbl td.num{font-family:var(--mono);text-align:right;white-space:nowrap;color:#41525f;}
table.tbl .nm{color:#22303c;font-weight:600;}
table.tbl .sp{font-family:var(--mono);font-size:12.4px;color:#7d8d9b;white-space:nowrap;}
.tbl-note{font-size:12.6px;color:var(--faint);margin-top:10px;line-height:1.7;}

/* ---------- 型号索引 ---------- */
.alpha{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:22px;}
.alpha a{font-family:var(--mono);font-size:12.4px;padding:5px 10px;border:1px solid var(--line);border-radius:5px;
  color:#41525f;background:#fff;}
.alpha a:hover,.alpha a.on{background:var(--navy);border-color:var(--navy);color:#fff;}
.mlist{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;}
.mlist a{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:9px 12px;font-family:var(--mono);font-size:12.8px;color:#25333f;transition:.14s;}
.mlist a:hover{border-color:#bfd0e0;color:var(--red);box-shadow:0 6px 16px rgba(11,26,42,.07);}
.mlist a i{font-style:normal;font-size:11px;color:#a3b1be;}
.mlist a:hover i{color:var(--red);}

/* ---------- 规格/参数块 ---------- */
.split{display:grid;grid-template-columns:1.03fr .97fr;gap:42px;align-items:start;}
.split.wide{grid-template-columns:1.32fr .68fr;gap:38px;}
.points{list-style:none;display:grid;gap:8px;margin-top:16px;}
.points li{position:relative;padding-left:20px;font-size:13.8px;color:#48596a;line-height:1.75;}
.points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;background:var(--red);
  border-radius:1px;transform:rotate(45deg);}
.points li b{color:var(--navy);}
table.kv{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);}
table.kv th,table.kv td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
table.kv th{width:136px;background:#f7fafc;color:var(--navy);font-weight:700;white-space:nowrap;}
table.kv tr:last-child th,table.kv tr:last-child td{border-bottom:0;}
table.kv td{color:#41505f;}
table.kv td b{font-family:var(--mono);color:var(--navy);}
.fig{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff;}
.fig img{width:100%;height:auto;}
.fig figcaption{font-size:12.5px;color:var(--muted);padding:11px 16px;border-top:1px solid var(--line);line-height:1.7;}
.note{font-size:12.8px;color:var(--faint);margin-top:14px;line-height:1.75;}

/* ---------- 流程步骤 ---------- */
.steps{list-style:none;counter-reset:s;display:grid;gap:0;}
.steps li{position:relative;padding:0 0 20px 50px;counter-increment:s;}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;width:36px;height:36px;
  border-radius:50%;background:#fff;border:1px solid #d6dfe9;color:var(--red);font-family:var(--mono);font-size:12.4px;
  font-weight:700;display:flex;align-items:center;justify-content:center;}
.steps li::after{content:"";position:absolute;left:18px;top:40px;bottom:0;width:1px;background:#e0e7ef;}
.steps li:last-child{padding-bottom:0;}
.steps li:last-child::after{display:none;}
.steps h4{font-size:16px;color:var(--navy);margin-bottom:3px;}
.steps p{font-size:13.8px;color:var(--muted);line-height:1.8;}
.proc{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.proc li{font-size:12.8px;color:#33414f;background:#fff;border:1px solid var(--line);border-radius:4px;padding:6px 11px;position:relative;}
.proc li:not(:last-child)::after{content:"";position:absolute;right:-6px;top:50%;width:4px;height:4px;
  border-top:1px solid #c7d2dd;border-right:1px solid #c7d2dd;transform:translateY(-50%) rotate(45deg);}

/* ---------- 提示条 ---------- */
.callout{background:linear-gradient(160deg,#0b1a2a,#123450 72%,#09161f);color:#dbe6f1;border-radius:10px;
  padding:30px 28px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;}
.callout h3{color:#fff;font-size:21px;margin-bottom:6px;}
.callout p{color:#b6c9da;font-size:14.2px;max-width:640px;}
.callout .btn{white-space:nowrap;}
.tip{background:#fffaf3;border:1px solid #f2e2ca;border-left:3px solid #d99b2b;border-radius:5px;
  padding:13px 16px;font-size:13.4px;color:#6b5636;line-height:1.8;}
.tip b{color:#8a5a12;}

/* ---------- 图集 ---------- */
.gallery{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.gallery figure{flex:0 0 calc((100% - 42px)/4);border:1px solid var(--line);border-radius:8px;overflow:hidden;
  background:#fff;aspect-ratio:3/4;position:relative;}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.gallery figure:hover img{transform:scale(1.05);}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:20px 12px 10px;font-size:12px;color:#e7eff7;
  background:linear-gradient(transparent,rgba(6,15,24,.85));letter-spacing:.2px;}

/* ---------- 联系 ---------- */
.contact{background:linear-gradient(160deg,#0b1a2a,#123450 72%,#09161f);color:#dbe6f1;}
.contact .wrap{display:grid;grid-template-columns:1fr 400px;gap:42px;align-items:center;}
.contact h2{font-size:28px;color:#fff;margin-bottom:11px;}
.contact p{color:#c2d3e2;max-width:560px;}
.info{list-style:none;display:grid;gap:10px;margin-top:18px;}
.info li{font-size:14.6px;color:#dbe6f1;}
.info li b{color:#fff;}
.info li span{color:#8fa4b8;font-size:12.6px;margin-left:8px;}
.contact-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:9px;padding:24px 22px;}
.contact-card h3{color:#fff;font-size:18px;margin-bottom:3px;}
.contact-card small{color:#a9c0d6;font-size:12.6px;display:block;margin-bottom:13px;}
.contact-card .tel{display:block;font-family:var(--mono);font-size:22px;font-weight:700;color:#fff;letter-spacing:.4px;margin-bottom:6px;}
.contact-card .btn{width:100%;margin-top:10px;}

/* ---------- 页脚 ---------- */
footer.site{background:#06101a;color:#8fa4ba;font-size:13.4px;padding:40px 0 24px;}
footer.site .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:28px;
  border-bottom:1px solid rgba(255,255,255,.08);}
footer.site h4{color:#dce8f3;font-size:14px;margin-bottom:11px;letter-spacing:.4px;}
footer.site ul{list-style:none;display:grid;gap:7px;}
footer.site a{color:#a9bccf;}
footer.site a:hover{color:#fff;text-decoration:underline;}
footer.site .about p{font-size:13px;line-height:1.85;color:#89a0b5;max-width:320px;}
footer.site .bar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding-top:18px;
  font-size:12.6px;color:#6f8399;}
footer.site .bar .fnav{display:flex;gap:16px;flex-wrap:wrap;}

#toTop{position:fixed;right:20px;bottom:24px;width:43px;height:43px;border-radius:50%;background:var(--navy);
  color:#fff;display:none;align-items:center;justify-content:center;border:0;cursor:pointer;
  box-shadow:0 8px 20px rgba(12,32,53,.3);z-index:70;font-size:16px;}
#toTop.show{display:flex;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .navlinks{gap:0;font-size:14px;}
  .navlinks>a,.navlinks>.has-sub>a{padding:10px 9px;}
  .mlist{grid-template-columns:repeat(3,1fr);}
  .g4{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1040px){
  .navlinks{display:none;}
  .burger{display:flex;}
  footer.site .cols{grid-template-columns:1fr 1fr;}
}
@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:28px;padding:40px 0 44px;}
  .hero h1{font-size:31px;}
  .hero-card{max-width:560px;}
  .hero-card img{height:330px;}
  .grp{grid-template-columns:1fr;gap:14px;}
  .split,.callout,.contact .wrap{grid-template-columns:1fr;gap:26px;}
  .stats .wrap{grid-template-columns:repeat(3,1fr);row-gap:16px;}
  .stats .st:nth-child(3){border-right:0;}
  .g3,.g4{grid-template-columns:repeat(2,1fr);}
  .gallery figure{flex:0 0 calc((100% - 28px)/3);}
  section{padding:48px 0;}
}
@media (max-width:720px){
  .pagehead h1{font-size:26px;}
  .pagehead .wrap{padding:32px 0 34px;}
  .sec-head h2{font-size:23px;}
  .sec-head.between{flex-direction:column;align-items:flex-start;gap:8px;}
  .mlist{grid-template-columns:repeat(2,1fr);}
  .item{grid-template-columns:1fr;gap:5px;padding:11px 15px;}
  .item p{border-left:0;padding-left:0;}
  .gallery figure{flex:0 0 calc((100% - 14px)/2);}
  .topbar .wrap{flex-wrap:wrap;justify-content:center;padding:6px 0;row-gap:2px;font-size:12.2px;}
  .topbar .tb-r{gap:12px;}
  .brand .bt strong{font-size:15px;}
  .brand .bt em{font-size:9.2px;letter-spacing:1px;}
  .brand img{height:36px;}
  footer.site .cols{grid-template-columns:1fr;gap:22px;}
}
@media (max-width:560px){
  .hero h1{font-size:25px;}
  .hero-card img{height:270px;}
  .btns .btn{width:100%;}
  .g2,.g3,.g4{grid-template-columns:1fr;}
  .stats .wrap{grid-template-columns:repeat(2,1fr);}
  .stats .st:nth-child(3){border-right:1px solid rgba(255,255,255,.09);}
  .stats .st:nth-child(2n){border-right:0;}
  table.kv th{width:98px;padding:10px 11px;font-size:13.2px;}
  table.kv td{padding:10px 11px;font-size:13.2px;}
  .callout .btn{width:100%;}
}

/* ---------- 主机厂芯片 ---------- */
.oemgrid{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;}
.oemchip{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:14px 8px;font-size:14.2px;font-weight:700;color:#2e3d4c;transition:.16s;text-align:center;}
.oemchip:hover{border-color:#c1cfdd;color:var(--red);box-shadow:0 10px 22px rgba(12,32,53,.07);transform:translateY(-1px);}
.mlink-off{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#f8fafc;
  border:1px solid var(--line2);border-radius:6px;padding:9px 12px;font-family:var(--mono);font-size:12.8px;color:#7c8c9b;}
.mlink-off i{font-style:normal;font-size:11px;color:#b3c0cc;}
@media (max-width:1180px){.oemgrid{grid-template-columns:repeat(5,1fr);}}
@media (max-width:720px){.oemgrid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:480px){.oemgrid{grid-template-columns:repeat(2,1fr);}}

/* ---------- 型号详情 ---------- */
.mrow{display:grid;grid-template-columns:1fr 322px;gap:28px;align-items:start;}
.mrow>*{min-width:0;}
.mtop{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;align-items:center;}
.mtype{background:var(--navy);color:#fff;font-size:12.4px;font-weight:700;padding:5px 12px;border-radius:4px;letter-spacing:.4px;}
.mchip{font-family:var(--mono);font-size:11.8px;color:#5d7386;background:#f2f6fa;border:1px solid #e6eef5;
  padding:4px 10px;border-radius:4px;}
table.mtbl tbody tr.grprow td{background:#f4f8fb;color:var(--navy);font-weight:700;font-size:13px;
  border-top:1px solid var(--line);padding:8px 14px;letter-spacing:.3px;}
table.mtbl tbody tr.grprow td span{font-family:var(--mono);font-size:11.2px;color:#93a2b1;font-weight:400;margin-left:8px;}
table.mtbl tbody tr.grprow:hover td{background:#f4f8fb;}
.mside{display:grid;gap:14px;position:sticky;top:92px;}
.mcard{background:#fff;border:1px solid var(--line);border-radius:9px;padding:17px 18px;}
.mcard h3{font-size:15.4px;color:var(--navy);margin-bottom:11px;font-weight:800;}
.mcard table.kv{font-size:13.2px;border:0;}
.mcard table.kv th,.mcard table.kv td{padding:7px 0;border-bottom:1px dashed var(--line2);background:none;display:table-cell;}
.mcard table.kv th{width:88px;font-weight:600;color:var(--muted);}
.mnote{font-size:12.8px;color:var(--muted);line-height:1.85;}
.cchips{display:flex;flex-wrap:wrap;gap:7px;}
.cchips a{display:inline-flex;align-items:center;gap:6px;font-size:12.8px;color:#33455a;background:#f6f9fc;
  border:1px solid var(--line);border-radius:5px;padding:5px 10px;transition:.14s;}
.cchips a:hover{background:var(--red-l);border-color:#f0cdd4;color:var(--red);}
.cchips a span{font-family:var(--mono);font-size:11px;color:#9aabba;}
.cchips a:hover span{color:#c9808c;}
.mser{border:1px solid var(--line);border-radius:8px;background:#fff;margin-bottom:10px;overflow:hidden;}
.mser summary{padding:13px 17px;cursor:pointer;font-size:14.6px;color:var(--navy);display:flex;
  align-items:center;justify-content:space-between;gap:14px;list-style:none;}
.mser summary::-webkit-details-marker{display:none;}
.mser summary b{font-family:var(--mono);font-size:14px;letter-spacing:.4px;}
.mser summary span{font-size:12.4px;color:var(--faint);font-weight:400;}
.mser summary::after{content:"+";font-size:16px;color:#b6c3cf;margin-left:auto;}
.mser[open] summary::after{content:"−";}
.mser[open] summary{border-bottom:1px solid var(--line2);background:#fbfcfe;}
.mser .mlist{padding:14px 16px 16px;}
@media (max-width:1040px){.mrow{grid-template-columns:1fr;}.mside{position:static;}}

/* ---------- 技术页 ---------- */
.tlayout{display:grid;grid-template-columns:1fr 300px;gap:34px;align-items:start;}
.tlayout>*{min-width:0;}
.tart{font-size:15.2px;}
.tlead{font-size:16.2px;line-height:1.95;color:#33424f;padding:18px 20px;background:#f7fafc;
  border-left:3px solid var(--red);border-radius:0 6px 6px 0;margin-bottom:26px;}
.tsec{margin-bottom:30px;}
.tsec h2{font-size:20px;color:var(--navy);margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line);
  font-weight:800;}
.tsec h2::before{content:"";display:inline-block;width:4px;height:15px;background:var(--red);margin-right:9px;
  vertical-align:-1px;border-radius:1px;}
.tart p{margin-bottom:12px;line-height:1.95;color:#3c4a59;}
.tstd{background:#f7fafc;border:1px solid var(--line);border-radius:8px;padding:16px 20px;margin-top:8px;}
.tstd h3{font-size:14.4px;color:var(--navy);margin-bottom:8px;font-family:var(--mono);letter-spacing:.6px;}
.tstd ul{list-style:none;display:grid;gap:5px;font-size:13.4px;color:#546575;}
.tstd li::before{content:"·";color:var(--red);font-weight:700;margin-right:7px;}
.tside{display:grid;gap:14px;position:sticky;top:92px;}
.toc{display:grid;gap:2px;}
.toc a{font-size:13.4px;color:#3d4c5a;padding:7px 10px;border-radius:5px;display:flex;justify-content:space-between;
  align-items:baseline;gap:8px;line-height:1.5;}
.toc a:hover{background:var(--red-l);color:var(--red);}
.toc a span{font-size:11.4px;color:#a9b7c4;}
.toc a:hover span{color:#c9808c;}
@media (max-width:1040px){.tlayout{grid-template-columns:1fr;}.tside{position:static;}}

/* ---------- 联系页 ---------- */
.clayout{display:grid;grid-template-columns:1fr 380px;gap:36px;align-items:start;}
.cinfo{list-style:none;display:grid;gap:0;}
.cinfo li{display:grid;grid-template-columns:100px 1fr;gap:12px;align-items:baseline;padding:14px 0;
  border-bottom:1px solid var(--line2);font-size:15px;}
.cinfo li span{font-size:12.8px;color:var(--faint);letter-spacing:.4px;}
.cinfo li a,.cinfo li b{color:var(--navy);font-weight:700;}
.cinfo li a:hover{color:var(--red);}
.ccard{background:linear-gradient(160deg,#0b1a2a,#123450);border-radius:10px;padding:28px 26px;color:#dbe6f1;
  box-shadow:var(--shadow-lg);}
.ccard h3{color:#fff;font-size:19px;margin-bottom:6px;}
.ccard p{font-size:13.4px;color:#a9c0d6;margin-bottom:16px;}
.ccard .tel{display:block;font-family:var(--mono);font-size:24px;font-weight:700;color:#fff;letter-spacing:.5px;
  margin-bottom:16px;}
.ccard .btn{width:100%;margin-bottom:9px;}
.ccard .btn-line{background:transparent;border-color:rgba(255,255,255,.3);color:#fff;}
.ccard .btn-line:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);}
@media (max-width:1040px){.clayout{grid-template-columns:1fr;}}

/* ---------- 移动端表格 ---------- */
.tbl-scroll{display:none;font-size:12px;color:var(--faint);text-align:center;margin-top:8px;letter-spacing:.5px;}
.tbl-wrap{-webkit-overflow-scrolling:touch;}
@media (max-width:720px){
  table.tbl{min-width:0;font-size:12.3px;}
  table.tbl th,table.tbl td{padding:8px 7px;}
  table.tbl td.code{font-size:11.4px;white-space:normal;word-break:break-all;width:32%;}
  table.tbl .nm{font-size:12.3px;}
  table.tbl td.sp,table.tbl .sp{font-size:11.2px;white-space:normal;}
  .tbl-scroll{display:block;}
  .mtop{gap:6px;}
  .mchip{font-size:11px;padding:3px 8px;}
  table.mtbl thead th:nth-child(1){width:29%;}
  table.mtbl thead th:nth-child(2){width:auto;}
  table.mtbl thead th:nth-child(3){width:76px;}
  table.mtbl thead th:nth-child(4){width:52px;}
  table.mtbl td.code{width:29%;}
  table.mtbl td.nm{word-break:keep-all;}
}

/* ==========================================================================
   微信二维码（首页板块 / 联系页 / 型号页侧栏）
   数据来自后台 /admin，前端由 wechat.js 覆盖默认值
   ========================================================================== */
.wxsec{display:grid;grid-template-columns:1fr 1.02fr;gap:46px;align-items:center;}
.wxcopy .kicker{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--red);
  font-weight:700;margin-bottom:10px;}
.wxcopy h2{font-size:29px;line-height:1.32;color:var(--navy);letter-spacing:-.3px;margin-bottom:14px;}
.wxcopy h2 em{font-style:normal;color:var(--red);}
.wxcopy p{font-size:15px;color:var(--muted);margin-bottom:16px;}
.wxcopy ul{list-style:none;display:grid;gap:9px;}
.wxcopy li{position:relative;padding-left:22px;font-size:14px;color:var(--body);}
.wxcopy li::before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:2px;
  background:var(--red);opacity:.75;}

.wxgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.wxcard{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px 15px 15px;
  text-align:center;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;}
.wxcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.wxcard .q{width:100%;aspect-ratio:1/1;border-radius:11px;overflow:hidden;background:#f7fafc;
  border:1px solid var(--line2);margin-bottom:11px;}
.wxcard .q img{width:100%;height:100%;object-fit:contain;}
.wxcard h4{font-size:14.5px;color:var(--navy);font-weight:700;letter-spacing:.2px;}
.wxcard .wid{font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:3px;word-break:break-all;}
.wxcard .wnote{font-size:12.2px;color:var(--faint);margin-top:7px;line-height:1.55;}

/* 联系页大卡 */
.wxbig{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.wxbig .wxcard{padding:22px 20px 18px;}
.wxbig .q{max-width:250px;margin:0 auto 14px;}
.wxbig h4{font-size:16px;}
.wxbig .wnote{font-size:13px;margin-top:9px;}
.wxnote{margin-top:20px;padding:14px 17px;background:var(--bg);border-left:3px solid var(--red);
  border-radius:0 8px 8px 0;font-size:13.5px;color:var(--body);line-height:1.75;}
.wxnote b{color:var(--navy);}

/* 型号页侧栏小卡 */
.wxmini{background:#fff;border:1px solid var(--line);border-radius:13px;padding:15px;text-align:center;}
.wxmini h3{font-size:13.5px;color:var(--navy);margin-bottom:10px;}
.wxmini .q{width:112px;height:112px;margin:0 auto 9px;border-radius:9px;overflow:hidden;
  border:1px solid var(--line2);background:#f7fafc;}
.wxmini .q img{width:100%;height:100%;object-fit:contain;}
.wxmini .wnote{font-size:11.8px;color:var(--faint);line-height:1.55;}
.wxmini .wid{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-top:5px;}

@media (max-width:980px){
  .wxsec{grid-template-columns:1fr;gap:26px;}
  .wxcopy h2{font-size:24px;}
}
@media (max-width:560px){
  .wxbig{grid-template-columns:1fr;gap:16px;}
  .wxgrid{gap:11px;}
  .wxcard{padding:12px 11px 12px;border-radius:12px;}
  .wxcard h4{font-size:13.2px;}
  .wxcard .wid,.wxcard .wnote{font-size:11.2px;}
}