/* Wuyang EV - shared stylesheet for subpages. Visual tokens match the v2.1 homepage. */
:root{
  --red:#e70013;--red-d:#c60011;--ink:#333333;--body:#595757;--soft:#f6f6f6;
  --soft2:#efefef;--line:#e5e5e5;--gray:#c3c3c3;--white:#ffffff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#fff;color:var(--ink);font-size:14px;line-height:1.75;
  font-family:Arial,"Helvetica Neue",Helvetica,"Microsoft YaHei","PingFang SC",sans-serif;
  -webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.wrap{max-width:1320px;margin:0 auto;padding:0 4%}
.h2{font-size:42px;font-weight:700;line-height:1.2;letter-spacing:-.01em}
.h3{font-size:24px;font-weight:700;line-height:1.35}
.kicker{display:inline-flex;align-items:center;gap:10px;color:var(--red);font-size:13px;font-weight:600;letter-spacing:.02em}
.kicker:before{content:"";width:24px;height:2px;background:var(--red)}
.center{text-align:center}
.muted{color:var(--body)}
.sec{padding:72px 0}
.sec.soft{background:var(--soft)}
.pill{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;
  text-transform:uppercase;letter-spacing:.07em;font-size:13px;font-weight:700;padding:14px 30px;
  cursor:pointer;transition:.18s;border:1px solid transparent;background:none}
.pill.red{background:var(--red);color:#fff;border-color:var(--red)}
.pill.red:hover{background:var(--red-d);border-color:var(--red-d)}
.pill.outline{background:transparent;color:var(--ink);border-color:var(--line)}
.pill.outline:hover{border-color:var(--red);color:var(--red)}

/* header - solid on subpages */
header.hd{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.hd .wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand .mark{width:38px;height:38px;border-radius:50%;background:var(--red);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px}
.brand b{display:block;font-size:18px;letter-spacing:.06em;line-height:1.1}
.brand span{display:block;font-size:9px;letter-spacing:.16em;color:var(--body)}
nav.main{display:flex;align-items:center;gap:12px;flex-wrap:nowrap;white-space:nowrap}
.nav-item{position:relative;display:flex;align-items:center;gap:3px}
nav.main .nav-item>a{font-size:12.5px;font-weight:600;white-space:nowrap}
nav.main .nav-item>a:hover,nav.main .nav-item[data-active]>a{color:var(--red)}
/* dropdown - matches reference: white card, red top rule, thin row dividers */
.sub-toggle{border:0;background:none;color:inherit;cursor:pointer;font-size:10px;line-height:1;
  padding:3px 1px;opacity:.8}
.sub-toggle:hover{opacity:1;color:var(--red)}
.submenu{display:none;position:absolute;top:100%;left:-16px;min-width:218px;background:#fff;
  border-top:2px solid var(--red);box-shadow:0 12px 32px rgba(0,0,0,.15);padding:4px 0;z-index:70}
.nav-item.has-sub:hover .submenu,.nav-item.has-sub.open .submenu{display:block}
.submenu a{display:block;padding:11px 20px;font-size:13px;color:var(--ink);
  border-bottom:1px solid var(--line);white-space:nowrap}
.submenu a:last-child{border-bottom:0}
.submenu a:hover{color:var(--red);background:#fff8f8}
.hd .right{display:flex;align-items:center;gap:12px}
.hd .tel{font-size:12px;font-weight:700;white-space:nowrap}
.hd .quote{background:var(--red);color:#fff;border:0;border-radius:999px;padding:10px 20px;
  font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;cursor:pointer}
.hd .quote:hover{background:var(--red-d)}
.hd .ico{width:34px;height:34px;border:0;background:none;cursor:pointer;display:flex;align-items:center;justify-content:center}
.hd .ico svg{width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:2}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang button{border:0;background:#fff;padding:7px 12px;font-size:11px;font-weight:700;cursor:pointer}
.lang button.on{background:var(--red);color:#fff}
.menu{display:none;border:0;background:none;font-size:22px;cursor:pointer}
.searchbar{display:none;border-top:1px solid var(--line);background:var(--soft);padding:14px 0}
.searchbar.on{display:block}
.searchbar .wrap{display:flex;gap:10px}
.searchbar input{flex:1;border:1px solid var(--line);background:#fff;padding:10px 16px;border-radius:999px;outline:none}
.searchbar input:focus{border-color:var(--red)}

/* page hero */
.phero{background:var(--soft);padding:52px 0 46px;border-bottom:1px solid var(--line)}
.phero h1{font-size:42px;font-weight:800;line-height:1.18;margin:12px 0 10px;letter-spacing:-.01em}
.phero p{color:var(--body);max-width:820px}
.crumb{font-size:12px;color:var(--body);display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumb a:hover{color:var(--red)}
.crumb i{font-style:normal;color:var(--gray)}
.lead{font-size:16px;color:var(--body);max-width:900px;margin:0 auto 30px}
.mt{margin-top:26px}
.mb{margin-bottom:26px}

/* generic grids */
.g1{display:grid;grid-template-columns:1fr;gap:12px}
.g1 .box{padding:16px 20px}
.g1 .box>div:first-child{font-size:11px}
.g1 .box>div:last-child{font-size:15px}
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.box{background:#fff;border:1px solid var(--line);padding:26px}
.box.soft{background:var(--soft);border:0}
.box h3{margin-bottom:10px}
.num{display:inline-block;width:34px;height:34px;border-radius:50%;background:var(--red);color:#fff;
  text-align:center;line-height:34px;font-weight:800;margin-bottom:14px}
.notice{background:#fff8f8;border-left:3px solid var(--red);padding:16px 20px;color:var(--body);font-size:13px;margin-top:24px}
.slot{border:1px dashed var(--gray);background:var(--soft);min-height:150px;display:flex;
  flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;gap:8px}
.slot b{font-size:13px;letter-spacing:.06em}
.slot span{font-size:12px;color:var(--body)}
.slot em{font-style:normal;color:var(--red);font-size:11px;font-weight:700;text-transform:uppercase}

/* product cards */
.tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 24px;
  font-size:13px;font-weight:700;cursor:pointer}
.tabs button.on{background:var(--red);border-color:var(--red);color:#fff}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pcard{display:block;cursor:pointer;text-align:center}
.pframe{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:12px;transition:.2s}
.pcard:hover .pframe{border-color:var(--red);box-shadow:0 8px 24px rgba(0,0,0,.07)}
.pframe img{width:100%;height:100%;object-fit:contain}
.pcard h3{font-size:16px;margin-top:14px;font-weight:700}
.pcard .meta{font-size:12px;color:var(--body);margin-top:4px;min-height:20px}
.empty{grid-column:1/-1;text-align:center;padding:60px 0;color:var(--body)}
.pag{display:flex;gap:8px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.pag button{border:1px solid var(--line);background:#fff;min-width:38px;height:38px;border-radius:6px;cursor:pointer;font-weight:700}
.pag button.on{background:var(--red);border-color:var(--red);color:#fff}

/* product detail layout */
.detail{display:grid;grid-template-columns:230px 1fr;gap:36px}
.sidenav{border:1px solid var(--line);align-self:start}
.sidenav h4{padding:16px 18px;border-bottom:1px solid var(--line);font-size:14px}
.sidenav a{display:block;padding:11px 18px;border-bottom:1px solid var(--line);font-size:13px;color:var(--body)}
.sidenav a:hover,.sidenav a.on{color:var(--red);background:#fff8f8}
.gallery{border:1px solid var(--line);border-radius:20px;padding:18px;background:#fff;
  display:flex;align-items:center;justify-content:center;min-height:340px}
.gallery img{width:100%;max-height:420px;object-fit:contain}
.thumbs{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap}
.thumbs a{border:1px solid var(--line);border-radius:12px;width:104px;height:82px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;padding:6px;background:#fff}
.thumbs a.on,.thumbs a:hover{border-color:var(--red)}
.thumbs img{width:100%;height:100%;object-fit:contain}
.kv{display:grid;grid-template-columns:150px 1fr;gap:0;margin-top:18px;border:1px solid var(--line)}
.kv div{padding:11px 16px;border-bottom:1px solid var(--line);font-size:13px}
.kv div:nth-child(odd){background:var(--soft);font-weight:700}
.kv div:last-child,.kv div:nth-last-child(2):nth-child(odd){border-bottom:0}
.specimg{margin-top:18px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.specimg img{width:100%}
.tbl{width:100%;border-collapse:collapse;margin-top:20px;font-size:13px}
.tbl th,.tbl td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.tbl th{background:var(--soft)}

/* inquiry forms */
.inq-form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;background:#fff;border:1px solid var(--line);padding:26px}
.inq-form label{display:block;font-size:12px;font-weight:700;margin-bottom:6px}
.inq-form .full{grid-column:1/-1}
.inq-form input,.inq-form select,.inq-form textarea{width:100%;border:1px solid var(--line);
  padding:11px 13px;outline:none;background:#fff;border-radius:4px}
.inq-form input:focus,.inq-form textarea:focus,.inq-form select:focus{border-color:var(--red)}
.inq-form textarea{min-height:100px;resize:vertical}
.inq-form .btn{grid-column:1/-1;background:var(--red);color:#fff;border:0;border-radius:999px;
  padding:14px 32px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;cursor:pointer}
.inq-form .btn:hover{background:var(--red-d)}
.inq-form .msg{grid-column:1/-1;font-size:13px;min-height:20px}
.inq-form .msg.ok{color:#137333}
.inq-form .msg.err{color:var(--red)}
.inq-note{grid-column:1/-1;font-size:12px;color:var(--body);background:var(--soft);padding:10px 14px}

/* floating inquiry widget */
.fq{position:fixed;right:22px;bottom:22px;width:318px;z-index:80;background:#fff;
  box-shadow:0 12px 40px rgba(0,0,0,.18);border-radius:10px;overflow:hidden}
.fq .head{background:var(--red);color:#fff;padding:12px 16px;display:flex;justify-content:space-between;
  align-items:center;font-size:13px;font-weight:700;letter-spacing:.03em}
.fq .head button{border:0;background:none;color:#fff;font-size:20px;line-height:1;cursor:pointer}
.fq .body{padding:14px 16px;max-height:60vh;overflow:auto}
.fq .body label{display:block;font-size:11px;font-weight:700;margin:8px 0 4px}
.fq .body input,.fq .body select,.fq .body textarea{width:100%;border:1px solid var(--line);
  padding:8px 10px;font-size:12px;outline:none;border-radius:4px}
.fq .body textarea{min-height:64px;resize:vertical}
.fq .body .btn{width:100%;margin-top:12px;background:var(--red);color:#fff;border:0;
  border-radius:999px;padding:11px;font-weight:700;text-transform:uppercase;font-size:12px;cursor:pointer}
.fq .fnote{font-size:11px;color:var(--body);margin-top:10px;line-height:1.5}
.fq.collapsed .body{display:none}
.fq-bubble{display:none;position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;
  background:var(--red);color:#fff;border:0;font-size:22px;cursor:pointer;z-index:80;
  box-shadow:0 8px 24px rgba(0,0,0,.22)}
.fq.collapsed+.fq-bubble{display:block}

/* footer */
footer{background:var(--soft);padding:56px 0 0;border-top:1px solid var(--line)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:38px}
.fgrid h4{font-size:14px;margin-bottom:16px}
.fgrid a,.fgrid p{display:block;font-size:13px;color:var(--body);margin-bottom:8px}
.fgrid a:hover{color:var(--red)}
.fb{font-size:20px;font-weight:800;letter-spacing:.06em}
.fsub{font-size:22px;font-weight:700;margin:14px 0 6px}
.fgrid .pill{margin-top:12px}
.fbot{border-top:1px solid var(--line);padding:18px 0;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:12px;color:var(--body)}

@media(max-width:1280px){
  .hd .tel{display:none}
  nav.main{gap:9px}
  nav.main .nav-item>a{font-size:12px}
}
@media(max-width:1080px){
  .g4,.pgrid{grid-template-columns:repeat(3,1fr)}
  .detail{grid-template-columns:1fr}
  .sidenav{display:none}
  nav.main{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;padding:18px 4%;border-bottom:1px solid var(--line);gap:14px}
  nav.main.on{display:flex}
  .menu{display:block}
  .hd .tel{display:none}
  .nav-item{width:100%;flex-wrap:wrap}
  .submenu{position:static;box-shadow:none;border-top:0;min-width:0;width:100%;padding:2px 0 6px 14px}
  .nav-item.has-sub:hover .submenu{display:none}
  .nav-item.has-sub.open .submenu,.nav-item.has-sub.open:hover .submenu{display:block}
  .submenu a{padding:9px 12px;font-size:12.5px}
}
@media(max-width:768px){
  .h2,.phero h1{font-size:30px}
  .g2,.g3,.g4,.pgrid,.fgrid{grid-template-columns:1fr}
  .sec{padding:48px 0}
  .inq-form{grid-template-columns:1fr}
  .fq{right:12px;left:12px;bottom:12px;width:auto}
  .fq-bubble{right:12px;bottom:12px}
  .hd .quote{display:none}
}

/* centered inquiry modal (REQUEST QUOTE) */
.inq-modal{display:none;position:fixed;inset:0;z-index:120;align-items:center;justify-content:center;padding:20px}
.inq-modal.on{display:flex}
.inq-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.inq-dialog{position:relative;background:#fff;width:min(620px,100%);max-height:90vh;overflow:auto;
  border-radius:12px;border-top:3px solid var(--red);box-shadow:0 24px 70px rgba(0,0,0,.3);padding:30px}
.inq-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.inq-head h3{font-size:26px;font-weight:800;margin-top:8px}
.inq-x{border:0;background:var(--soft);width:34px;height:34px;border-radius:50%;
  font-size:22px;line-height:1;cursor:pointer;color:var(--ink);flex:0 0 auto}
.inq-x:hover{background:var(--red);color:#fff}
.inq-lead{color:var(--body);margin:12px 0 20px}
.inq-modal .inq-form{padding:0;border:0;gap:12px}
@media(max-width:768px){
  .inq-dialog{padding:20px}
  .inq-modal .inq-form{grid-template-columns:1fr}
}