:root{
  --blue:#1B75BC;
  --blue-dark:#0F5490;
  --red:#E60012;
  --ink:#1f2d3d;
  --gray:#6b7a8d;
  --bg:#ffffff;
  --bg-soft:#f4f7fb;
  --line:#e3e9f0;
  --shadow:0 6px 24px rgba(15,84,144,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Segoe UI","Helvetica Neue","Microsoft JhengHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== top bar ===== */
.topbar{background:var(--blue-dark);color:#dbe9f7;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar span{margin-right:18px}
.lang-switch button{background:none;border:1px solid rgba(255,255,255,.5);color:#fff;padding:2px 10px;border-radius:3px;cursor:pointer;font-size:12px;margin-left:6px;transition:.2s}
.lang-switch button.active{background:var(--red);border-color:var(--red)}

/* ===== header ===== */
header.site{position:sticky;top:0;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06);z-index:100}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo img{height:42px;display:block}
nav.main ul{display:flex;gap:6px}
nav.main a{display:block;padding:10px 16px;font-weight:600;font-size:15px;color:var(--ink);border-radius:4px;transition:.2s}
nav.main a:hover,nav.main a.active{color:#fff;background:var(--blue)}
.btn-quote{background:var(--red);color:#fff!important;padding:10px 20px;border-radius:4px;font-weight:700;font-size:14px;margin-left:10px}
.btn-quote:hover{background:#c50010}
.nav-toggle{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px;margin-left:10px}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.nav-toggle.on i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.on i:nth-child(2){opacity:0}
.nav-toggle.on i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== hero (home) ===== */
.hero{position:relative;height:480px;overflow:hidden;background:linear-gradient(120deg,#0F5490 0%,#1B75BC 55%,#3E96D8 100%)}
.hero .pattern{position:absolute;inset:0;opacity:.12;
  background-image:radial-gradient(circle at 20% 30%,#fff 2px,transparent 2px),radial-gradient(circle at 70% 60%,#fff 2px,transparent 2px),radial-gradient(circle at 45% 80%,#fff 2px,transparent 2px);
  background-size:220px 220px}
.hero .wrap{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center}
.hero .kicker{color:#ffd6d9;font-weight:700;letter-spacing:3px;font-size:14px;text-transform:uppercase;margin-bottom:14px}
.hero h1{color:#fff;font-size:46px;line-height:1.2;max-width:720px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:#ff5c5c}
.hero p{color:#e8f1fa;max-width:640px;font-size:17px;margin-bottom:30px}
.hero .actions a{display:inline-block;padding:13px 30px;border-radius:4px;font-weight:700;margin-right:14px;transition:.2s}
.hero .a1{background:#fff;color:var(--blue-dark)}
.hero .a1:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.2)}
.hero .a2{border:2px solid rgba(255,255,255,.8);color:#fff}
.hero .a2:hover{background:rgba(255,255,255,.15)}

/* ===== subpage banner ===== */
.page-hero{position:relative;height:220px;overflow:hidden;background:linear-gradient(120deg,#0F5490,#1B75BC 60%,#3E96D8);display:flex;align-items:center}
.page-hero .pattern{position:absolute;inset:0;opacity:.12;
  background-image:radial-gradient(circle at 25% 40%,#fff 2px,transparent 2px),radial-gradient(circle at 70% 65%,#fff 2px,transparent 2px);background-size:200px 200px}
.page-hero .wrap{position:relative}
.page-hero h1{color:#fff;font-size:36px;margin-bottom:6px}
.page-hero .crumb{color:#cfe2f3;font-size:14px}
.page-hero .crumb a:hover{color:#fff}

/* ===== section base ===== */
section.block{padding:80px 0}
section.block.soft{background:var(--bg-soft)}
section.block.tight{padding:56px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 50px}
.sec-head .en-tag{display:inline-block;color:var(--red);font-weight:800;letter-spacing:3px;font-size:12px;text-transform:uppercase;margin-bottom:10px}
.sec-head h2{font-size:34px;margin-bottom:12px}
.sec-head h2 b{color:var(--blue)}
.sec-head p{color:var(--gray)}
.sec-head.left{text-align:left;margin-left:0}

/* ===== product categories ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.25s;box-shadow:var(--shadow)}
.cat-card:hover{transform:translateY(-6px);border-color:var(--blue)}
.cat-card .visual{height:190px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eaf3fb,#d7e8f7)}
.cat-card .body{padding:24px}
.cat-card h3{font-size:20px;margin-bottom:8px;color:var(--blue-dark)}
.cat-card p{color:var(--gray);font-size:14.5px;margin-bottom:16px}
.cat-card .more{color:var(--red);font-weight:700;font-size:14px}
.cat-card:hover .more{text-decoration:underline}
.cat-card ul.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.cat-card ul.tags li{font-size:12px;background:var(--bg-soft);border:1px solid var(--line);color:var(--blue-dark);padding:2px 10px;border-radius:20px}

/* ===== spec table ===== */
.spec-card{background:#fff;border-radius:10px;box-shadow:var(--shadow);overflow:hidden}
.spec-card .bar{background:var(--blue-dark);color:#fff;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.spec-card .bar a{color:#ffd6d9;font-size:13px;font-weight:600}
table.spec{width:100%;border-collapse:collapse;font-size:14.5px}
table.spec th{background:var(--bg-soft);text-align:left;padding:13px 24px;color:var(--blue-dark);border-bottom:2px solid var(--blue);white-space:nowrap}
table.spec td{padding:13px 24px;border-bottom:1px solid var(--line)}
table.spec tr:hover td{background:#f7fafd}
.pn{font-weight:700;color:var(--ink)}

/* products page: search + tabs */
.filter-row{display:flex;gap:14px;margin-bottom:26px;flex-wrap:wrap;align-items:center}
.filter-row input[type=text]{flex:1;min-width:240px;padding:11px 16px;border:1px solid var(--line);border-radius:6px;font-size:15px;outline:none}
.filter-row input[type=text]:focus{border-color:var(--blue)}
.tabs{display:flex;gap:8px;flex-wrap:wrap}
.tabs button{padding:10px 20px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer;font-size:14px;font-weight:600;color:var(--ink);transition:.2s}
.tabs button.active{background:var(--blue);border-color:var(--blue);color:#fff}
.no-result{padding:30px;text-align:center;color:var(--gray);display:none}

/* ===== strengths ===== */
.str-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.str{background:#fff;border-radius:10px;padding:30px 24px;text-align:center;border:1px solid var(--line);transition:.25s}
.str:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.str .ico{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#3E96D8);display:flex;align-items:center;justify-content:center}
.str .ico svg{width:30px;height:30px;stroke:#fff}
.str h4{font-size:17px;margin-bottom:8px}
.str p{color:var(--gray);font-size:13.5px}

/* ===== about page ===== */
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center}
.about-grid .txt h3{font-size:26px;color:var(--blue-dark);margin-bottom:16px}
.about-grid .txt p{color:var(--gray);margin-bottom:14px}
.about-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.stat{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:24px;text-align:center}
.stat b{display:block;font-size:32px;color:var(--blue)}
.stat span{font-size:13.5px;color:var(--gray)}
.vm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.vm{background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px;box-shadow:var(--shadow)}
.vm h4{color:var(--blue-dark);font-size:19px;margin-bottom:10px}
.vm p{color:var(--gray);font-size:14.5px}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:30px}
.timeline:before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;background:var(--line);border-radius:2px}
.tl-item{position:relative;padding:0 0 30px 26px}
.tl-item:before{content:"";position:absolute;left:-29px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.tl-item b{color:var(--blue-dark);font-size:17px}
.tl-item p{color:var(--gray);font-size:14.5px}

/* ===== quality page ===== */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cert{background:#fff;border:1px solid var(--line);border-radius:10px;padding:34px 22px;text-align:center;transition:.25s}
.cert:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.cert .badge{width:84px;height:100px;margin:0 auto 16px;background:linear-gradient(150deg,#eaf3fb,#d7e8f7);border:1px solid var(--line);border-radius:6px 26px 6px 6px;display:flex;align-items:center;justify-content:center}
.cert .badge svg{width:40px;height:40px;stroke:var(--blue)}
.cert h4{font-size:16px;margin-bottom:6px}
.cert p{color:var(--gray);font-size:13px}
.flow{display:flex;flex-wrap:wrap;gap:0;justify-content:center;align-items:stretch;margin-top:10px}
.flow .step{flex:1;min-width:150px;background:#fff;border:1px solid var(--line);padding:24px 18px;text-align:center;position:relative;transition:.2s}
.flow .step:first-child{border-radius:8px 0 0 8px}
.flow .step:last-child{border-radius:0 8px 8px 0}
.flow .step:hover{background:var(--bg-soft)}
.flow .num{width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.flow h5{font-size:15px;margin-bottom:6px}
.flow p{font-size:12.5px;color:var(--gray)}
.flow .step:not(:last-child):after{content:"";position:absolute;right:-9px;top:50%;transform:translateY(-50%);border:9px solid transparent;border-left-color:#c6d5e3;z-index:2}

/* ===== news page ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.news-card .thumb{height:160px;background:linear-gradient(135deg,#eaf3fb,#d7e8f7);display:flex;align-items:center;justify-content:center}
.news-card .thumb svg{width:64px;height:64px;stroke:var(--blue)}
.news-card .body{padding:22px;flex:1;display:flex;flex-direction:column}
.news-card .date{font-size:12.5px;color:var(--red);font-weight:700;margin-bottom:8px}
.news-card h4{font-size:17px;margin-bottom:10px;line-height:1.45}
.news-card p{color:var(--gray);font-size:14px;flex:1}
.news-card .more{margin-top:14px;color:var(--blue);font-weight:700;font-size:13.5px}
.news-card:hover .more{text-decoration:underline}

/* ===== contact page ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;align-items:start}
.info-card{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:30px}
.info-card h4{color:var(--blue-dark);font-size:18px;margin-bottom:18px}
.info-item{display:flex;gap:14px;margin-bottom:18px}
.info-item .ico{flex:none;width:44px;height:44px;border-radius:8px;background:var(--blue);display:flex;align-items:center;justify-content:center}
.info-item .ico svg{width:22px;height:22px;stroke:#fff}
.info-item b{display:block;font-size:14px;margin-bottom:2px}
.info-item span{color:var(--gray);font-size:14px}
.info-item span a{color:var(--blue)}
.info-item span a:hover{text-decoration:underline}
form.inquiry{background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px;box-shadow:var(--shadow)}
form.inquiry h4{color:var(--blue-dark);font-size:18px;margin-bottom:18px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-group{margin-bottom:16px}
.f-group label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
.f-group input,.f-group textarea,.f-group select{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:6px;font-size:14.5px;font-family:inherit;outline:none;transition:.2s}
.f-group input:focus,.f-group textarea:focus,.f-group select:focus{border-color:var(--blue)}
.f-group textarea{min-height:120px;resize:vertical}
form.inquiry .submit{background:var(--red);color:#fff;border:none;padding:13px 34px;border-radius:6px;font-weight:700;font-size:15px;cursor:pointer;transition:.2s}
form.inquiry .submit:hover{background:#c50010}
.form-note{font-size:12.5px;color:var(--gray);margin-top:12px}
.map-box{margin-top:0;height:320px;border-radius:10px;border:1px solid var(--line);background:linear-gradient(135deg,#eaf3fb,#d7e8f7);display:flex;align-items:center;justify-content:center;color:var(--gray);font-size:14px}

/* ===== CTA ===== */
.cta{background:linear-gradient(120deg,var(--blue-dark),var(--blue));padding:56px 0}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:28px;margin-bottom:6px}
.cta p{color:#cfe2f3}
.cta a{background:var(--red);color:#fff;padding:14px 34px;border-radius:4px;font-weight:700;white-space:nowrap}
.cta a:hover{background:#c50010}

/* ===== footer ===== */
footer.site{background:#0d2b47;color:#9db4c9;padding:60px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
footer.site img{height:36px;margin-bottom:16px}
footer.site h5{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px}
footer.site li{margin-bottom:9px}
footer.site a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center;font-size:13px;color:#7189a0}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}

@media(max-width:960px){
  .cat-grid,.str-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:flex}
  nav.main{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;box-shadow:0 12px 24px rgba(0,0,0,.12);padding:8px 0;z-index:120}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;gap:0}
  nav.main a{padding:14px 24px;border-radius:0;font-size:15px}
  nav.main a:hover,nav.main a.active{background:var(--bg-soft);color:var(--blue-dark)}
  .hero h1{font-size:32px}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .vm-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .cat-grid,.str-grid,.foot-grid,.cert-grid,.news-grid{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
}

/* =========================================================
   Product parameter filter
   ========================================================= */
.pf-cats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.pf-cat{
  display:flex;align-items:center;gap:10px;padding:12px 18px;
  background:#fff;border:1px solid var(--line);border-radius:8px;cursor:pointer;
  font-size:14px;font-weight:600;color:var(--ink);transition:.2s;font-family:inherit;
}
.pf-cat:hover{border-color:#b9d3ea;background:#fbfdff}
.pf-cat.on{background:var(--blue);border-color:var(--blue);color:#fff}
.pf-cat span{font-size:11.5px;font-weight:600;color:var(--gray);background:var(--bg-soft);border-radius:20px;padding:1px 8px}
.pf-cat.on span{background:rgba(255,255,255,.2);color:#fff}

.pf-layout{display:grid;grid-template-columns:276px 1fr;gap:26px;align-items:start}
.pf-side{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  position:sticky;top:92px;max-height:calc(100vh - 120px);overflow:auto;
}
.pf-side-head{
  position:sticky;top:0;z-index:3;display:flex;align-items:center;justify-content:space-between;
  padding:15px 18px;background:#fff;border-bottom:1px solid var(--line);
}
.pf-side-head b{font-size:13.5px;letter-spacing:.02em}
.pf-clear{
  background:none;border:none;color:var(--red);font-size:12px;font-weight:600;
  cursor:pointer;font-family:inherit;padding:2px;opacity:.9;
}
.pf-clear:disabled{color:#b7c1cc;cursor:default}
.pf-group{border-bottom:1px solid #eef2f7}
.pf-group:last-child{border-bottom:none}
.pf-g-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:13px 18px;background:none;border:none;cursor:pointer;font-family:inherit;
  font-size:12.5px;font-weight:600;color:var(--ink);text-align:left;letter-spacing:.01em;
}
.pf-g-head i{font-style:normal;font-size:10px;color:#9aa7b4;transition:transform .2s}
.pf-group.closed .pf-g-head i{transform:rotate(-90deg)}
.pf-g-body{padding:0 18px 12px}
.pf-group.closed .pf-g-body{display:none}
.pf-g-search{
  width:100%;border:1px solid var(--line);border-radius:5px;padding:6px 9px;
  font-size:12px;font-family:inherit;margin-bottom:8px;outline:none;color:var(--ink);
}
.pf-g-search:focus{border-color:var(--blue)}
.pf-opts{max-height:232px;overflow:auto;margin:0 -2px}
.pf-opt{
  display:flex;align-items:center;gap:8px;padding:5px 2px;font-size:12.5px;
  color:#455263;cursor:pointer;line-height:1.4;border-radius:4px;
}
.pf-opt:hover{color:var(--blue-dark)}
.pf-opt input{margin:0;accent-color:var(--blue);cursor:pointer;flex:none;width:14px;height:14px}
.pf-opt em{font-style:normal;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pf-opt .c{margin-left:auto;font-size:11px;color:#a4b0bd;flex:none;font-variant-numeric:tabular-nums}
.pf-opt.zero .c{color:#d3dade}
.pf-opt.zero em{color:#b3bdc7}
.pf-more{
  background:none;border:none;color:var(--blue);font-size:12px;font-weight:600;
  cursor:pointer;font-family:inherit;padding:6px 0 0;
}
.pf-more:hover{text-decoration:underline}

.pf-main{min-width:0}
.pf-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.pf-search{position:relative;flex:1;min-width:220px}
.pf-search input{
  width:100%;padding:11px 36px 11px 14px;border:1px solid var(--line);border-radius:6px;
  font-size:14px;font-family:inherit;outline:none;color:var(--ink);background:#fff;
}
.pf-search input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(27,117,188,.08)}
.pf-search svg{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:15px;height:15px;stroke:#9aa7b4;fill:none;stroke-width:2}
.pf-meta{font-size:13px;color:var(--gray);white-space:nowrap}
.pf-meta b{color:var(--ink);font-size:15px;font-variant-numeric:tabular-nums}
.pf-toggle{display:none}

.pf-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.pf-chip{
  display:inline-flex;align-items:center;gap:7px;padding:4px 10px;border-radius:20px;
  background:#eaf3fb;border:1px solid #cde3f5;color:var(--blue-dark);
  font-size:12px;cursor:pointer;font-family:inherit;line-height:1.5;
}
.pf-chip:hover{background:#dcecf9}
.pf-chip b{font-weight:600}
.pf-chip span{opacity:.55}
.pf-chip i{font-style:normal;font-size:13px;line-height:1}

.pf-tablebox{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:auto;max-height:76vh}
table.pf{width:100%;border-collapse:collapse;font-size:13px;min-width:720px}
table.pf th{
  position:sticky;top:0;z-index:2;background:var(--bg-soft);text-align:left;
  padding:12px 16px;font-size:11px;letter-spacing:.04em;text-transform:uppercase;
  color:var(--blue-dark);font-weight:700;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.pf td{padding:11px 16px;border-bottom:1px solid #f0f4f9;color:#4a5666;white-space:nowrap}
table.pf tbody tr:hover td{background:#f8fbff}
table.pf td.m{font-family:Consolas,"Courier New",monospace;font-size:12.5px;font-weight:600}
table.pf td.m a{color:var(--ink);text-decoration:none}
table.pf td.m a:hover{color:var(--blue);text-decoration:underline}
table.pf td.dash{color:#c3ccd6}
.pf-empty{padding:60px 20px;text-align:center;color:var(--gray);font-size:14px}

.pf-pager{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:22px;flex-wrap:wrap}
.pf-pager button{
  min-width:34px;height:34px;padding:0 10px;border:1px solid var(--line);background:#fff;
  border-radius:6px;cursor:pointer;font-size:13px;color:var(--ink);font-family:inherit;transition:.2s;
}
.pf-pager button:hover:not(:disabled){border-color:var(--blue);color:var(--blue)}
.pf-pager button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.pf-pager button:disabled{opacity:.4;cursor:default}
.pf-pager .dots{color:#a4b0bd;padding:0 4px}
.pf-note{margin-top:22px;font-size:12.5px;color:var(--gray);line-height:1.8}

@media(max-width:980px){
  .pf-layout{grid-template-columns:1fr}
  .pf-toggle{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--line);background:#fff;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;color:var(--ink)}
  .pf-side{
    position:fixed;inset:0 0 0 auto;width:320px;max-width:88vw;z-index:200;
    max-height:none;border-radius:0;border:none;transform:translateX(100%);
    transition:transform .3s ease;box-shadow:-8px 0 30px rgba(10,30,50,.16);
  }
  .pf-side.open{transform:none}
  .pf-mask{position:fixed;inset:0;background:rgba(10,20,30,.4);z-index:150;opacity:0;pointer-events:none;transition:.3s}
  .pf-mask.open{opacity:1;pointer-events:auto}
  .pf-side-close{display:inline-flex}
}
@media(min-width:981px){ .pf-side-close{display:none !important} }
.pf-side-close{
  background:none;border:none;font-size:20px;line-height:1;color:var(--gray);cursor:pointer;padding:0 2px;
}

@media(max-width:420px){
  .btn-quote{display:none}
  .pf-meta{font-size:12px}
}

/* =========================================================
   Product detail page
   ========================================================= */
.pd{padding:34px 0 90px;background:#fff}
.pd-crumb{font-size:12.5px;color:var(--gray);margin-bottom:26px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.pd-crumb a{color:var(--gray)}
.pd-crumb a:hover{color:var(--blue)}
.pd-crumb span.sep{color:#c3ccd6}
.pd-crumb b{color:var(--ink);font-weight:600}

.pd-top{display:grid;grid-template-columns:1fr 1.05fr;gap:54px;align-items:start}

.pd-media{
  position:relative;background:linear-gradient(160deg,#fbfcfe 0%,#eef4fa 60%,#e6eef7 100%);
  border:1px solid #eef2f7;border-radius:4px;aspect-ratio:1/1;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.pd-media img{
  width:86%;height:86%;object-fit:contain;mix-blend-mode:multiply;
  filter:contrast(1.02);
}
.pd-media .ghost{
  position:absolute;left:0;right:0;bottom:22px;text-align:center;
  font-size:14px;letter-spacing:.34em;color:#b9c6d4;font-weight:500;
}

.pd-info{min-width:0;padding-top:4px}
.pd-badges{display:flex;gap:8px;margin-bottom:16px}
.pd-badge{font-size:12px;padding:4px 12px;border-radius:20px;background:#f0f3f7;color:#4a5666;border:1px solid #e3e9f0}
.pd-stock{font-size:12px;padding:4px 12px;border-radius:20px;background:#e8f6ec;color:#1c7c3c;border:1px solid #cdebd6;font-weight:600}
.pd-badge.cat{background:#eaf3fb;border-color:#cde3f5;color:var(--blue-dark);font-weight:600}

.pd-info h1{
  font-size:clamp(24px,2.6vw,32px);line-height:1.2;letter-spacing:-.01em;
  font-weight:700;margin-bottom:14px;word-break:break-all;
}
.pd-info h1 small{display:block;font-size:13px;font-weight:500;color:var(--gray);letter-spacing:0;margin-top:8px}
.pd-desc{font-size:14.5px;line-height:1.85;color:#5a6570;max-width:560px;margin-bottom:26px}

.pd-facts{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.pd-fact{padding:12px 16px;border-left:1px solid var(--line)}
.pd-fact:first-child{border-left:none}
.pd-fact span{display:block;font-size:11px;color:#9aa7b4;margin-bottom:4px;letter-spacing:.04em}
.pd-fact b{font-size:14px;font-weight:700;color:var(--ink);word-break:break-all}

.pd-ds{
  display:flex;align-items:center;gap:14px;margin-top:18px;padding:14px 16px;
  background:#fafbfd;border:1px solid var(--line);border-radius:4px;flex-wrap:wrap;
}
.pd-ds .ico{
  width:38px;height:44px;border-radius:3px;background:var(--blue-dark);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;
  letter-spacing:.06em;flex:none;
}
.pd-ds .meta{flex:1 1 220px;min-width:180px}
.pd-ds .meta b{display:block;font-size:13px;color:var(--ink);margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pd-ds .meta span{font-size:11.5px;color:#9aa7b4}
.pd-ds .acts{display:flex;gap:8px;flex-wrap:wrap}
.pd-btn{
  display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:3px;
  font-size:12.5px;font-weight:600;cursor:pointer;border:1px solid var(--line);background:#fff;
  color:var(--ink);font-family:inherit;transition:.2s;white-space:nowrap;
}
.pd-btn:hover{border-color:#b9cde0;background:#f7fbff}
.pd-btn.primary{background:var(--blue-dark);border-color:var(--blue-dark);color:#fff}
.pd-btn.primary:hover{background:var(--blue);border-color:var(--blue)}
.pd-btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}

.pd-share{margin-top:26px}
.pd-share .lbl{font-size:11.5px;letter-spacing:.1em;color:#9aa7b4;text-transform:uppercase;margin-bottom:10px}
.pd-share .btns{display:flex;gap:8px;flex-wrap:wrap}
.pd-share a,.pd-share button{
  display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border:1px solid var(--line);
  border-radius:3px;background:#fff;font-size:12.5px;color:#4a5666;cursor:pointer;
  font-family:inherit;transition:.2s;text-decoration:none;
}
.pd-share a:hover,.pd-share button:hover{border-color:#b9cde0;background:#f7fbff;color:var(--blue-dark)}
.pd-share svg{width:14px;height:14px;fill:currentColor}

.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-top:64px;padding-top:44px;border-top:1px solid var(--line)}
.pd-block h3{
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);
  font-weight:700;margin-bottom:6px;
}
.pd-block .h3line{height:1px;background:var(--ink);opacity:.85;margin-bottom:4px}
table.kv{width:100%;border-collapse:collapse}
table.kv th,table.kv td{
  text-align:left;padding:13px 0;border-bottom:1px solid #eef2f7;font-size:13.5px;vertical-align:top;
}
table.kv th{width:42%;color:#7a8794;font-weight:400}
table.kv td{font-weight:600;color:var(--ink)}
.pd-feats{list-style:none;margin:18px 0 34px}
.pd-feats li{position:relative;padding-left:20px;margin-bottom:12px;font-size:13.5px;line-height:1.7;color:#4a5666}
.pd-feats li:before{content:"";position:absolute;left:0;top:7px;width:8px;height:8px;background:var(--red);border-radius:1px}
.pd-tags{display:flex;flex-wrap:wrap;gap:8px}
.pd-tags span{font-size:12.5px;padding:7px 12px;background:#f2f5f9;border:1px solid #e6ecf2;border-radius:3px;color:#4a5666}

.pd-rel{margin-top:70px;padding-top:40px;border-top:1px solid var(--line)}
.pd-rel h3{font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;margin-bottom:22px}
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.rel-card{
  display:flex;align-items:center;gap:14px;padding:16px;border-left:1px solid var(--line);
  transition:.2s;background:#fff;min-width:0;
}
.rel-card:first-child{border-left:none}
.rel-card:hover{background:#f8fbff}
.rel-thumb{
  width:64px;height:64px;flex:none;border-radius:3px;background:#f4f8fc;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.rel-thumb img{width:88%;height:88%;object-fit:contain;mix-blend-mode:multiply}
.rel-card .txt{min-width:0}
.rel-card b{display:block;font-size:12.5px;color:var(--ink);margin-bottom:4px;word-break:break-all;line-height:1.35}
.rel-card span{font-size:11.5px;color:#8a97a4;line-height:1.4;display:block}
.pd-missing{padding:120px 0;text-align:center}
.pd-missing h2{font-size:26px;margin-bottom:12px}
.pd-missing p{color:var(--gray);margin-bottom:24px}

.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);
  background:#0d2b47;color:#fff;font-size:13px;padding:11px 20px;border-radius:4px;
  opacity:0;pointer-events:none;transition:.3s;z-index:500;
}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media(max-width:980px){
  .pd-top{grid-template-columns:1fr;gap:34px}
  .pd-grid{grid-template-columns:1fr;gap:40px;margin-top:44px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .rel-card:nth-child(3){border-left:none}
  .rel-card{border-top:1px solid var(--line)}
  .rel-card:nth-child(1),.rel-card:nth-child(2){border-top:none}
}
@media(max-width:560px){
  .pd-facts{grid-template-columns:1fr 1fr}
  .pd-fact:nth-child(3){border-left:none;border-top:1px solid var(--line);grid-column:1/-1}
  .rel-grid{grid-template-columns:1fr}
  .rel-card{border-left:none!important;border-top:1px solid var(--line)!important}
  .rel-card:first-child{border-top:none!important}
}

/* =========================================================
   Datasheet (A4 print view)
   ========================================================= */
.ds-page{background:#eef1f4;padding:34px 16px 60px;min-height:100vh}
.ds-sheet{
  width:210mm;min-height:297mm;margin:0 auto;background:#fff;padding:18mm 16mm;
  box-shadow:0 10px 40px rgba(15,40,70,.14);color:#1b2733;position:relative;
}
.ds-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2px solid var(--blue-dark);padding-bottom:14px}
.ds-head img{height:34px}
.ds-head .t{text-align:right;font-size:10px;color:#7a8794;line-height:1.7}
.ds-title{margin:26px 0 18px}
.ds-title .k{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);font-weight:700}
.ds-title h1{font-size:22px;margin:6px 0 4px;word-break:break-all}
.ds-title p{font-size:11.5px;color:#7a8794}
.ds-body{display:grid;grid-template-columns:1fr 62mm;gap:12mm;margin-top:18px}
.ds-body h4{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#4a5666;margin-bottom:6px;border-bottom:1px solid #dfe5ec;padding-bottom:5px}
.ds-body table{width:100%;border-collapse:collapse;font-size:11px}
.ds-body th,.ds-body td{text-align:left;padding:6px 0;border-bottom:1px solid #eef2f7;vertical-align:top}
.ds-body th{width:45%;color:#7a8794;font-weight:400}
.ds-body td{font-weight:600}
.ds-photo{border:1px solid #e8edf3;background:#fafcfe;padding:8px;display:flex;align-items:center;justify-content:center;height:62mm}
.ds-photo img{max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.ds-cols{display:grid;grid-template-columns:1fr 1fr;gap:12mm;margin-top:10mm}
.ds-cols h4{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#4a5666;margin-bottom:8px;border-bottom:1px solid #dfe5ec;padding-bottom:5px}
.ds-feats{list-style:none;margin:0;padding:0}
.ds-feats li{position:relative;padding-left:14px;margin-bottom:6px;font-size:10.5px;line-height:1.6;color:#3d4a57}
.ds-feats li:before{content:"";position:absolute;left:0;top:5px;width:5px;height:5px;background:#D8121F}
.ds-tags{display:flex;flex-wrap:wrap;gap:6px}
.ds-tags span{font-size:9.5px;padding:4px 9px;border:1px solid #e2e8ef;background:#f7f9fb;border-radius:2px;color:#4a5666}
.ds-note{margin-top:10mm;border:1px solid #e2e8ef;background:#fafbfd;padding:10px 12px}
.ds-note h4{font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#4a5666;margin-bottom:6px}
.ds-note p{font-size:9px;line-height:1.7;color:#5f6b78;margin:0}
.ds-foot{position:absolute;left:16mm;right:16mm;bottom:12mm;border-top:1px solid #dfe5ec;padding-top:8px;display:flex;justify-content:space-between;font-size:9px;color:#93a0ad}
.ds-bar{width:210mm;margin:0 auto 16px;display:flex;justify-content:flex-end;gap:10px}
.ds-bar button,.ds-bar a{
  padding:9px 18px;font-size:12.5px;border-radius:3px;border:1px solid #cfd8e2;background:#fff;
  color:#1b2733;cursor:pointer;font-family:inherit;text-decoration:none;font-weight:600;
}
.ds-bar .primary{background:var(--blue-dark);border-color:var(--blue-dark);color:#fff}

@media print{
  @page{size:A4;margin:0}
  body{background:#fff}
  .ds-page{padding:0;background:#fff}
  .ds-bar,.topbar,header.site,footer.site{display:none!important}
  .ds-sheet{box-shadow:none;width:auto;min-height:auto;margin:0;padding:16mm}
}
@media(max-width:820px){
  .ds-sheet{width:auto;padding:20px}
  .ds-bar{width:auto;justify-content:center}
  .ds-body{grid-template-columns:1fr;gap:20px}
  .ds-foot{position:static;margin-top:24px}
}

/* =========================================================
   Asia distributors
   ========================================================= */
.dist-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.dist-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:34px 34px 28px;transition:.35s var(--ease,cubic-bezier(.22,.61,.36,1));
}
.dist-card:before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--blue);
  transition:width .45s ease;
}
.dist-card:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(15,84,144,.10);border-color:#cfe3f5}
.dist-card:hover:before{width:100%}
.dist-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.dist-no{font-size:11px;letter-spacing:.18em;color:#b7c1cc;font-weight:600}
.dist-region{
  font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;font-weight:700;
  color:var(--blue-dark);background:#eaf3fb;border:1px solid #cde3f5;border-radius:20px;padding:4px 12px;
}
.dist-card h3{font-size:17px;line-height:1.45;letter-spacing:-.012em;color:var(--ink);margin-bottom:6px}
.dist-cn{font-size:13px;color:#8a97a4;margin-bottom:22px;letter-spacing:.02em}
.dist-rows{border-top:1px solid var(--line)}
.dist-row{
  display:grid;grid-template-columns:62px 1fr;gap:16px;align-items:baseline;
  padding:11px 0;border-bottom:1px solid #f0f3f7;
}
.dist-row:last-child{border-bottom:none;padding-bottom:0}
.dist-row>span{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#a4b0bd}
.dist-row p{font-size:13.5px;line-height:1.65;color:#4a5666}
.dist-row a{color:var(--blue);font-weight:600}
.dist-row a:hover{text-decoration:underline}

@media(max-width:900px){
  .dist-grid{grid-template-columns:1fr;gap:18px}
  .dist-card{padding:26px 22px 22px}
  .dist-row{grid-template-columns:1fr;gap:2px}
}