/* Youcheng Pipe — shared site styles (header / footer / buttons / layout)
   Used by index.html, products.html and product.html */

:root{
  --steel:#143C5C; --steel-dk:#0C2438; --steel-md:#1E5080; --steel-bg:#EEF3F8;
  --accent:#E87722; --accent-dk:#C85F10;
  --ink:#1B2A36; --gray:#5B6B78; --line:#E2E8EF;
  --white:#fff; --radius:14px;
  --shadow:0 10px 30px rgba(12,36,56,.10);
  --shadow-lg:0 18px 50px rgba(12,36,56,.16);
  --hd:74px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);line-height:1.6;background:#fff;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
.kicker{font-size:13px;font-weight:700;letter-spacing:3px;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
h2.stitle{font-size:clamp(26px,3.4vw,40px);line-height:1.25;color:var(--steel-dk);margin-bottom:14px;font-weight:800}
.ssub{color:var(--gray);max-width:720px;font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:8px;font-weight:700;font-size:15px;border:2px solid transparent;cursor:pointer;transition:.2s}
.btn-p{background:var(--accent);color:#fff}
.btn-p:hover{background:var(--accent-dk);transform:translateY(-2px)}
.btn-o{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-o:hover{background:rgba(255,255,255,.12)}
.btn-s{background:var(--steel);color:#fff}
.btn-s:hover{background:var(--steel-md)}
.btn-g{background:var(--steel-bg);color:var(--steel-dk);border-color:var(--line)}
.btn-g:hover{background:#E2EAF3}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-block{width:100%}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:22px;height:var(--hd)}
header .hd{max-width:1380px;padding:0 28px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;min-width:0}
.brand img{height:44px;width:auto}
.brand .bn{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand .bn b{font-size:15px;color:var(--steel-dk);letter-spacing:.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand .bn span{font-size:11px;color:var(--gray);letter-spacing:2px}
nav.main{display:flex;gap:3px;margin-left:auto;flex-shrink:0}
nav.main a{padding:9px 12px;font-size:14.5px;font-weight:600;color:var(--ink);border-radius:8px;white-space:nowrap}
nav.main a:hover{color:var(--steel);background:var(--steel-bg)}
nav.main a.cur{color:var(--accent)}
.hd-right{display:flex;align-items:center;gap:12px;flex-shrink:0;margin-left:8px}
/* language toggle — never shrink, never clip */
.lang-t{display:inline-flex;flex:0 0 auto;border:1.5px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.lang-t button{border:0;background:transparent;padding:7px 13px;font-size:13px;font-weight:700;cursor:pointer;color:var(--gray);white-space:nowrap;line-height:1.2;min-width:46px;transition:.15s}
.lang-t button:hover{color:var(--steel-dk);background:var(--steel-bg)}
.lang-t button.on{background:var(--steel);color:#fff}
.hd-cta{padding:10px 20px;font-size:14px;white-space:nowrap}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex:0 0 auto}
.burger svg{width:26px;height:26px;stroke:var(--steel-dk)}

/* ---------- page header (inner pages) ---------- */
.phead{position:relative;padding:64px 0 54px;background:var(--steel-dk);color:#fff;overflow:hidden}
.phead .phbg{position:absolute;inset:0;background:url('banner-about.jpg') center/cover no-repeat;opacity:.38}
.phead::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(9,26,40,.94) 0%,rgba(12,36,56,.80) 45%,rgba(12,36,56,.52) 100%)}
.phead .container{position:relative;z-index:2}
.phead h1{font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.15;margin-bottom:12px}
.phead p{color:rgba(255,255,255,.86);max-width:640px;font-size:16px}
.crumb{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{opacity:.5}

/* ---------- footer ---------- */
footer{background:var(--steel-dk);color:rgba(255,255,255,.72);padding:64px 0 22px}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.ft-brand .fcard{display:inline-flex;background:#fff;border-radius:10px;padding:8px 12px;margin-bottom:16px}
.ft-brand .fcard img{height:38px}
footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px}
footer ul{list-style:none}
footer ul li{margin-bottom:10px;font-size:14px;line-height:1.5}
footer ul li a:hover{color:var(--accent)}
.ft-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}

/* ---------- WhatsApp float ---------- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;background:#25D366;color:#fff;display:flex;align-items:center;gap:9px;padding:12px 18px;border-radius:50px;font-weight:700;font-size:14px;box-shadow:0 8px 24px rgba(37,211,102,.4);transition:.2s}
.wa-float:hover{transform:translateY(-3px)}
.wa-float svg{width:20px;height:20px;fill:#fff}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1100px){
  nav.main a{padding:9px 10px;font-size:14px}
  .hd{gap:16px}
  .brand .bn b{max-width:170px}
}
@media(max-width:1024px){
  .ft-grid{grid-template-columns:1fr 1fr;gap:32px}
  .brand .bn b{max-width:150px}
}
@media(max-width:1120px){
  nav.main{display:none}
  .burger{display:block}
  .hd-cta{display:none}
  nav.main{position:fixed;inset:var(--hd) 0 auto 0;background:#fff;flex-direction:column;padding:14px 20px 22px;border-bottom:1px solid var(--line);display:none;box-shadow:var(--shadow-lg);max-height:calc(100vh - var(--hd));overflow-y:auto;z-index:60}
  nav.main.open{display:flex}
  nav.main a{padding:12px 6px;font-size:15.5px;border-bottom:1px solid var(--line)}
}
@media(max-width:768px){
  section{padding:62px 0}
  .hd{gap:10px}
  .brand{flex:1;min-width:0}
  .brand .bn{display:none}
  .brand img{height:38px}
  .hd-right{gap:8px}
  .lang-t button{padding:6px 10px;min-width:40px;font-size:12.5px}
  .phead{padding:46px 0 40px}
  .ft-grid{grid-template-columns:1fr;gap:26px}
  .wa-float{right:14px;bottom:14px;padding:10px 15px;font-size:13px}
}
@media(max-width:380px){
  .brand img{height:32px}
  .hd-cta,.hd .btn{font-size:13px}
}

/* =====================================================================
   Shared list-page styles (products / news / projects)
   ===================================================================== */
/* ---------- sticky filter bar ---------- */
.filters{position:sticky;top:var(--hd);z-index:40;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 14px rgba(12,36,56,.05)}
.filters .container{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.fbtn{border:1.5px solid var(--line);background:#fff;border-radius:30px;padding:8px 18px;font-size:14px;font-weight:600;color:var(--gray);cursor:pointer;transition:.18s;white-space:nowrap}
.fbtn:hover{border-color:var(--steel-md);color:var(--steel-dk)}
.fbtn.on{background:var(--steel);border-color:var(--steel);color:#fff}
.fcount{margin-left:auto;font-size:13.5px;color:var(--gray)}

/* ---------- card grid ---------- */
.plist{padding:52px 0 88px}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.22s;box-shadow:0 2px 10px rgba(12,36,56,.04)}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#CFDBE7}
.pimg{position:relative;aspect-ratio:4/3;background:#DCE4ED center/cover no-repeat;overflow:hidden;transition:transform .45s ease}
.pcard:hover .pimg{transform:scale(1.04)}
.pimg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,36,56,0) 45%,rgba(12,36,56,.42) 100%)}
.pcat{position:absolute;left:14px;top:14px;z-index:2;background:rgba(9,26,40,.82);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:1px;padding:5px 11px;border-radius:20px;text-transform:uppercase}
.pbody{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.pbody h3{font-size:18.5px;color:var(--steel-dk);font-weight:750;line-height:1.32;margin-bottom:8px}
.pbody .pd{font-size:14px;color:var(--gray);line-height:1.6}
.pbody .ps{margin-top:12px;font-size:12.5px;color:var(--steel);background:var(--steel-bg);border-radius:7px;padding:9px 12px;line-height:1.55}
.pfoot{margin-top:16px;padding-top:15px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px}
.pfoot .pr{font-size:13px;color:var(--gray)}
.pfoot .pr b{color:var(--accent);font-size:15px}
.pmore{margin-left:auto;font-size:13.5px;font-weight:700;color:var(--steel);display:inline-flex;align-items:center;gap:6px}
.pcard:hover .pmore{color:var(--accent)}
.pmore svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2.2}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tag{font-size:11.5px;background:var(--steel-bg);color:var(--steel-md);border-radius:5px;padding:4px 9px;font-weight:600}
.empty{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--gray)}
.empty svg{width:54px;height:54px;stroke:#B9C6D3;fill:none;stroke-width:1.6;margin:0 auto 16px}

/* ---------- news card extras ---------- */
.ndate{font-size:12.5px;color:var(--gray);display:flex;align-items:center;gap:7px;margin-bottom:8px}
.ndate i{width:4px;height:4px;border-radius:50%;background:var(--accent);display:inline-block}
.ncard .pbody .pd{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pcat.c-company{background:var(--accent)}
.pcat.c-tech{background:var(--steel-md)}
.pcat.c-industry{background:#2F6E4E}
.pcat.c-heating{background:#B4471F}
.pcat.c-water{background:#1E6E8C}
.pcat.c-municipal{background:#4A5A8C}
.pcat.c-overseas{background:#8C6A1E}

/* ---------- CTA strip ---------- */
.cta-strip{background:linear-gradient(120deg,var(--steel-dk) 0%,var(--steel-md) 100%);color:#fff;padding:56px 0;text-align:center}
.cta-strip h3{font-size:clamp(22px,2.8vw,32px);font-weight:800;margin-bottom:10px}
.cta-strip p{color:rgba(255,255,255,.82);margin-bottom:24px;max-width:760px;margin-left:auto;margin-right:auto}
.cta-strip .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

@media(max-width:1024px){ .pgrid{grid-template-columns:repeat(2,1fr)} }
@media(max-width:700px){ .pgrid{grid-template-columns:1fr} .fcount{margin-left:0;width:100%} }

/* =====================================================================
   Article / project detail pages
   ===================================================================== */
.art-wrap{display:grid;grid-template-columns:1fr 300px;gap:44px;padding:56px 0 80px;align-items:start}
.art-main{min-width:0}
.art-head{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:30px}
.art-head h1{font-size:clamp(24px,3.2vw,36px);line-height:1.28;color:var(--steel-dk);font-weight:800;margin:12px 0 14px}
.art-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13.5px;color:var(--gray);align-items:center}
.art-meta .badge{background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px}
.art-cover{width:100%;border-radius:var(--radius);margin-bottom:26px;display:block;pointer-events:none;-webkit-user-drag:none;user-select:none}
.art-body p{font-size:16px;line-height:1.95;color:#33454F;margin-bottom:20px}
.art-body p:first-child{font-size:17.5px;color:var(--ink);font-weight:600}
.art-body h4{font-size:19px;color:var(--steel-dk);margin:30px 0 12px;font-weight:750}
.art-body ul{margin:0 0 20px 22px}
.art-body li{font-size:15.5px;line-height:1.9;color:#33454F;margin-bottom:8px}
.art-share{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.art-share span{font-size:13.5px;color:var(--gray)}
.art-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.art-nav a{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--steel-bg);transition:.2s;display:block}
.art-nav a:hover{border-color:var(--steel-md);background:#E7EEF6}
.art-nav .nk{font-size:12.5px;color:var(--gray);display:block;margin-bottom:5px}
.art-nav .nv{font-size:15px;font-weight:700;color:var(--steel-dk);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-nav .next{text-align:right}
/* side */
.art-side{position:sticky;top:calc(var(--hd) + 20px)}
.sbox{background:var(--steel-bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:20px}
.sbox h4{font-size:15px;color:var(--steel-dk);margin-bottom:14px;letter-spacing:.4px}
.slist{list-style:none}
.slist li{display:flex;gap:11px;padding:11px 0;border-bottom:1px dashed #D5DEE8}
.slist li:last-child{border-bottom:0}
.slist .sn{width:72px;height:54px;border-radius:6px;background:#DCE4ED center/cover no-repeat;flex:0 0 auto}
.slist .st{font-size:13.5px;font-weight:650;color:var(--steel-dk);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.slist .sd{font-size:11.5px;color:var(--gray);margin-top:3px}
.sbox.dark{background:var(--steel-dk);border-color:var(--steel-dk);color:#fff}
.sbox.dark h4{color:#fff}
.sbox.dark p{font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.7;margin-bottom:16px}
/* project detail */
.jhero{position:relative;height:420px;background:#0C2438 center/cover no-repeat}
.jhero::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,26,40,.92) 0%,rgba(9,26,40,.45) 55%,rgba(9,26,40,.30) 100%)}
.jhero .container{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:34px;color:#fff}
.jhero h1{font-size:clamp(24px,3.4vw,40px);font-weight:800;line-height:1.2;margin-bottom:12px;max-width:900px}
.jhero .jtag{display:inline-flex;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:5px 13px;border-radius:20px;margin-bottom:14px;align-self:flex-start}
.jhero .jsub{color:rgba(255,255,255,.85);max-width:760px;font-size:16px}
.jfacts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:-46px 0 44px;position:relative;z-index:3}
.jfact{background:#fff;padding:20px 18px}
.jfact .jk{font-size:12px;color:var(--gray);letter-spacing:.5px;margin-bottom:6px}
.jfact .jv{font-size:15px;font-weight:700;color:var(--steel-dk);line-height:1.4}
.jmetrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:34px}
.jmetric{background:var(--steel-bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center}
.jmetric .mv2{font-size:clamp(20px,2.6vw,28px);font-weight:800;color:var(--accent);line-height:1.2}
.jmetric .ml{font-size:13px;color:var(--gray);margin-top:6px}
.jgal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.jgal a{display:block;aspect-ratio:4/3;background:#DCE4ED center/cover no-repeat;border-radius:10px;border:1px solid var(--line);transition:.2s}
.jgal a:hover{transform:translateY(-3px);box-shadow:var(--shadow)}

@media(max-width:1024px){
  .art-wrap{grid-template-columns:1fr;gap:32px}
  .art-side{position:static}
  .jfacts{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .jhero{height:320px}
  .jmetrics{grid-template-columns:1fr}
  .jgal{grid-template-columns:1fr 1fr}
  .art-nav{grid-template-columns:1fr}
  .art-nav .next{text-align:left}
}

/* ---------- back button ---------- */
.backbtn{display:inline-flex;align-items:center;gap:8px;border:1.5px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.10);border-radius:30px;padding:8px 18px;font-size:13.5px;font-weight:700;transition:.2s;white-space:nowrap}
.backbtn:hover{background:var(--accent);border-color:var(--accent)}
.backbtn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.4}
.phead-row{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap}

/* ---------- product navigation strip (detail page) ---------- */
.pnav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:var(--hd);z-index:35}
.pnav .container{display:flex;align-items:center;gap:10px;padding-top:12px;padding-bottom:12px;overflow-x:auto;scrollbar-width:none}
.pnav .container::-webkit-scrollbar{display:none}
.pnav .pnl{font-size:12px;font-weight:800;letter-spacing:1.5px;color:var(--gray);text-transform:uppercase;flex:0 0 auto;padding-right:6px;border-right:1px solid var(--line);margin-right:4px}
.pnav a{flex:0 0 auto;font-size:13.5px;font-weight:650;color:var(--steel-dk);border:1.5px solid var(--line);border-radius:30px;padding:7px 15px;white-space:nowrap;transition:.18s;background:#fff}
.pnav a:hover{border-color:var(--steel-md);color:var(--steel);background:var(--steel-bg)}
.pnav a.on{background:var(--steel);border-color:var(--steel);color:#fff}
.pnav a.back{border-color:var(--accent);color:var(--accent)}
.pnav a.back:hover{background:var(--accent);color:#fff}
/* prev / next at the end of a detail page */
.pnav2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:36px 0 0}
.pnav2 a{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--steel-bg);transition:.2s;display:block}
.pnav2 a:hover{border-color:var(--steel-md);background:#E7EEF6}
.pnav2 a.next{text-align:right}
.pnav2 .nk{font-size:12.5px;color:var(--gray);display:block;margin-bottom:5px}
.pnav2 .nv{font-size:15px;font-weight:700;color:var(--steel-dk);line-height:1.4}
@media(max-width:640px){ .pnav2{grid-template-columns:1fr} .pnav2 a.next{text-align:left} }

/* =====================================================================
   新闻列表 / 业绩列表 / 产品详情补充样式（PHP 版共用）
   ===================================================================== */
/* ---------- news list ---------- */
.ngrid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.22s;box-shadow:0 2px 10px rgba(12,36,56,.04)}
.ncard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#CFDBE7}
.ncard .pimg{aspect-ratio:16/9}
.ncard:hover .pimg{transform:scale(1.04)}
.nbody{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.nbody h3{font-size:18px;color:var(--steel-dk);font-weight:750;line-height:1.36;margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nbody h3 a{color:inherit;text-decoration:none}
.nbody h3 a:hover{color:var(--accent)}
.pmore{color:var(--accent);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;text-decoration:none}
.pmore svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2}
.pmore:hover{color:var(--steel-dk)}
.lead .lbody h2 a{color:inherit;text-decoration:none}
.lead .lbody h2 a:hover{color:var(--accent)}
.nbody .pd{font-size:14px;color:var(--gray);line-height:1.65}
.nfoot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px}
.lead{display:grid;grid-template-columns:1.15fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:34px;background:#fff;box-shadow:0 2px 10px rgba(12,36,56,.04)}
.lead-in{display:grid;grid-template-columns:1.15fr 1fr;gap:0}
.lead .limg{background:#DCE4ED center/cover no-repeat;min-height:380px}
.lead .lbody{padding:30px 32px;display:flex;flex-direction:column;justify-content:center}
.lead .lbody h2{font-size:clamp(20px,2.4vw,27px);line-height:1.3;color:var(--steel-dk);font-weight:800;margin:10px 0 12px}
.lead .lbody p{color:var(--gray);font-size:15px;line-height:1.75}
@media(max-width:900px){ .lead{grid-template-columns:1fr} .lead-in{grid-template-columns:1fr} .lead .limg{min-height:220px} .lead .lbody{padding:24px} }
@media(max-width:1024px){ .ngrid{grid-template-columns:repeat(2,1fr)} }
@media(max-width:700px){ .ngrid{grid-template-columns:1fr} }

/* ---------- project list ---------- */
.jcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.22s;box-shadow:0 2px 10px rgba(12,36,56,.04)}
.jcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#CFDBE7}
.jcard .pimg{aspect-ratio:16/10}
.jcard:hover .pimg{transform:scale(1.04)}
.jloc{position:absolute;right:14px;top:14px;z-index:2;background:rgba(255,255,255,.94);color:var(--steel-dk);font-size:11.5px;font-weight:700;padding:5px 11px;border-radius:20px}
.jcard .jbody{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.jcard .jbody h3{font-size:17.5px;color:var(--steel-dk);font-weight:750;line-height:1.38;margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.jcard .jbody .pd{font-size:13.8px;color:var(--gray);line-height:1.62;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.jsum{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:34px}
.jsum div{background:var(--steel-bg);border-radius:12px;padding:18px;text-align:center}
.jsum b{display:block;font-size:clamp(20px,2.6vw,28px);color:var(--accent);font-weight:800;line-height:1.2}
.jsum span{font-size:12.5px;color:var(--gray)}
.jnote{margin-top:14px;font-size:12.5px;color:var(--gray);line-height:1.6;padding:12px 14px;background:#F6F8FA;border-radius:8px;border-left:3px solid var(--line)}
/* 首页/列表通用的 业绩卡（横向图左文右） */
section#projects .jcard{display:grid;grid-template-columns:1fr}
@media(max-width:1024px){ .jsum{grid-template-columns:repeat(2,1fr)} }
@media(max-width:700px){ .jcard{grid-template-columns:1fr} }

/* ---------- product detail extras ---------- */
.spec-line{margin-top:14px;font-size:13px;color:var(--steel-dk);background:var(--steel-bg);border-radius:8px;padding:11px 14px;line-height:1.6}
.pv-hl{list-style:none;margin:16px 0 0;padding:0}
.pv-hl li{position:relative;padding-left:22px;font-size:14px;color:#33454F;line-height:1.7;margin-bottom:8px}
.pv-hl li::before{content:"";position:absolute;left:6px;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.qty-label{font-size:13.5px;color:var(--gray);font-weight:700}
.thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumbs .thumb{width:76px;height:56px;border-radius:7px;background:#DCE4ED center/cover no-repeat;border:2px solid transparent;cursor:pointer;transition:.18s}
.thumbs .thumb:hover{border-color:var(--steel-md)}
.thumbs .thumb.on{border-color:var(--accent)}
.pfig figure{margin:22px 0}
.pfig img{width:100%;border-radius:12px;border:1px solid var(--line)}
.pfig figcaption{margin-top:8px;font-size:13px;color:var(--gray);text-align:center}
.lang-t a{display:inline-block}
.lang-t a.on{background:var(--steel);color:#fff}

/* fix: 分类徽章与地区标签在窄卡上重叠 —— 地区标签挪到图片左下 */
.jcard .jloc{top:auto;bottom:12px;left:14px;right:auto;max-width:70%}
.jcard .pcat{max-width:60%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}