/* Extracted from mega-products.html. Keep static HTML structure separate from runtime CSS. */
:root{
  --bg:#fafaf8;--bg-2:#f2f1ed;--bg-3:#e8e6df;
  --ink:#0a0a0a;--muted:#6b6b68;--muted-2:#9a9a95;
  --line:#dcdad3;--accent:#c8372a;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.55;font-size:15px;overflow-x:hidden;}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}

/* ── Keyboard accessibility (focus-visible) ── */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
button:focus:not(:focus-visible),
a:focus:not(:focus-visible){outline:none;}
.display{font-family:'Archivo',sans-serif;letter-spacing:-0.035em;line-height:.92;}
.label{font-family:'Archivo',sans-serif;font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:inline-flex;align-items:center;gap:10px;}
.label::before{content:'◆';color:var(--accent);font-size:8px;}
.container{max-width:1480px;margin:0 auto;padding:0 40px;}

/* ══ NAV ══ */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(250,250,248,0.96);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);color:var(--ink);}
.nav-inner{max-width:1480px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:40px;padding:22px 40px;}
.logo{font-family:'Archivo',sans-serif;font-size:22px;font-weight:800;letter-spacing:-.02em;color:inherit;text-decoration:none;}
.logo span{color:var(--accent);}
.nav-links{display:flex;gap:28px;list-style:none;justify-self:start;}
.nav-links a{text-decoration:none;color:inherit;font-size:13px;font-weight:500;opacity:.7;transition:opacity .2s;}
.nav-links a:hover,.nav-links a.active{opacity:1;}
.nav-links a.active{color:var(--accent);}
.nav-right{display:flex;gap:14px;align-items:center;}
.ghost-link{font-size:12px;opacity:.7;color:inherit;}
.cta-btn{font-family:'Archivo',sans-serif;font-weight:600;letter-spacing:.12em;text-transform:uppercase;border:none;cursor:pointer;padding:12px 20px;background:var(--accent);color:#fff;font-size:11px;transition:.2s;}
.cta-btn:hover{background:#dd4934;}

/* ══ PAGE HERO (compact) ══ */
.page-hero{
  padding:160px 0 80px;
  background:var(--ink);color:#fff;
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse 1200px 600px at 75% 25%, rgba(200,55,42,0.22), transparent 55%),
    radial-gradient(ellipse 800px 400px at 15% 85%, rgba(200,55,42,0.08), transparent 60%);
  pointer-events:none;
  z-index:0;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero .breadcrumb{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);
  margin-bottom:28px;
}
.page-hero .breadcrumb a{color:rgba(255,255,255,.5);transition:color .2s;}
.page-hero .breadcrumb a:hover{color:#fff;}
.page-hero .breadcrumb span{color:rgba(255,255,255,.8);}
.page-hero h1{
  font-family:'Archivo',sans-serif;font-size:clamp(44px,6vw,88px);
  font-weight:200;letter-spacing:-0.035em;line-height:.92;margin-bottom:20px;
}
.page-hero h1 strong{font-weight:800;}
.page-hero p{max-width:600px;font-size:17px;line-height:1.65;color:rgba(255,255,255,.75);}

/* ══ FILTER BAR ══ */
.filter-bar{
  position:sticky;top:68px;z-index:50;
  background:var(--bg);border-bottom:1px solid var(--line);
  padding:18px 0;
}
.sub-filter-bar{position:sticky;top:135px;z-index:49;}
.filter-inner{
  max-width:1480px;margin:0 auto;padding:0 40px;
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;
}
.filter-tabs{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.filter-btn{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;
  padding:10px 18px;border:1px solid var(--line);
  background:transparent;color:var(--muted);cursor:pointer;
  transition:.25s;
}
.filter-btn:hover{border-color:var(--ink);color:var(--ink);}
.filter-btn.active{background:var(--ink);color:#fff;border-color:var(--ink);}
.filter-count{
  margin-left:auto;
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}

/* ══ PRODUCT GRID ══ */
.products-section{padding:64px 0 120px;}
.product-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.product-card{
  position:relative; cursor:pointer;
  transition:transform .55s cubic-bezier(.25,.8,.25,1);
}
.product-card:hover{transform:translateY(-6px);}
.product-card .img-wrap{
  position:relative; overflow:hidden;
  aspect-ratio:3/4; background:var(--bg-2);
  margin-bottom:18px;
  transition:box-shadow .5s ease;
}
.product-card:hover .img-wrap{
  box-shadow:0 20px 40px -16px rgba(0,0,0,.25),
             0 6px 12px -6px rgba(200,55,42,.12);
}
.product-card .img-wrap img{
  width:100%; height:100%; object-fit:cover;
  transition:transform 1s cubic-bezier(.25,.8,.25,1),
             filter .6s ease;
  will-change:transform;
}
.product-card:hover .img-wrap img{
  transform:scale(1.08);
  filter:brightness(1.05) saturate(1.05);
}
.product-card .img-wrap::after{
  content:'';
  position:absolute;
  left:0; bottom:0;
  width:0; height:2px;
  background:var(--accent);
  transition:width .7s cubic-bezier(.25,.8,.25,1);
  z-index:2;
}
.product-card:hover .img-wrap::after{width:100%;}
.product-card .badge{
  position:absolute;top:14px;left:14px;
  font-family:'Archivo',sans-serif;font-size:9px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;
  padding:6px 10px;background:var(--accent);color:#fff;
}
.product-card .sku{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  margin-bottom:6px;
}
.product-card h3{
  font-family:'Archivo',sans-serif;font-size:18px;font-weight:700;
  letter-spacing:-0.01em;margin-bottom:8px;line-height:1.2;
}
.product-card .meta{
  font-size:13px;color:var(--muted);line-height:1.6;
}
.product-card .meta strong{color:var(--ink);font-weight:600;}
.product-card .tags{
  display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;
}
.product-card .view-link{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--accent);
  margin-top:12px;display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s;
}
.product-card:hover .view-link{gap:10px;}
.product-card .tag{
  font-family:'Archivo',sans-serif;font-size:9px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;
  padding:5px 8px;border:1px solid var(--line);color:var(--muted);
}

/* ══ BOTTOM CTA ══ */
.bottom-cta{
  background:var(--ink);color:#fff;
  padding:100px 0;text-align:center;
}
.bottom-cta h2{
  font-family:'Archivo',sans-serif;font-size:clamp(32px,4vw,64px);
  font-weight:200;letter-spacing:-0.035em;line-height:.95;
  margin-bottom:20px;
}
.bottom-cta h2 strong{font-weight:800;}
.bottom-cta p{
  max-width:560px;margin:0 auto 40px;
  font-size:16px;color:rgba(255,255,255,.7);line-height:1.7;
}
.bottom-cta .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn-white{
  font-family:'Archivo',sans-serif;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;border:none;cursor:pointer;
  padding:18px 30px;background:#fff;color:var(--ink);font-size:12px;
  display:inline-flex;align-items:center;gap:10px;transition:.2s;
}
.btn-white:hover{background:var(--accent);color:#fff;}
.btn-outline{
  font-family:'Archivo',sans-serif;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;cursor:pointer;
  padding:18px 30px;background:transparent;color:#fff;
  border:1px solid rgba(255,255,255,.3);font-size:12px;transition:.2s;
}
.btn-outline:hover{background:#fff;color:var(--ink);}

/* ══ FOOTER ══ */
footer{background:#0b0b0b;color:#fff;padding:78px 0 34px;}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;padding-bottom:54px;border-bottom:1px solid #262626;}
.foot-logo{font-family:'Archivo',sans-serif;font-size:30px;font-weight:800;letter-spacing:-.02em;margin-bottom:20px;}
.foot-logo span{color:var(--accent);}
.foot-desc{font-size:13px;color:#b8b8b1;max-width:360px;line-height:1.8;margin-bottom:18px;}
.foot-top h5{font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#8d8d87;margin-bottom:18px;}
.foot-top ul{list-style:none;display:grid;gap:10px;}
.foot-top a,.foot-top li{font-size:13px;color:#d7d7d1;text-decoration:none;}
.foot-bot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:24px;font-size:11px;color:#8f8f89;}
.foot-legal{padding-top:14px;font-size:11px;color:#8f8f89;display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:center;}
.foot-legal a{color:#8f8f89;text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s;}
.foot-legal a:hover{border-bottom-color:#c8372a;color:#c8372a;}
.foot-legal .sep{opacity:.5;}






/* ══ PRODUCT HOOK (副钩子) ══ */
.product-card .hook{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--accent);
  margin-top:4px;margin-bottom:6px;display:flex;align-items:center;gap:6px;
}
.product-card .hook::before{content:'◆';font-size:7px;}

/* ══ SORT DROPDOWN ══ */
.sort-wrap{
  position:relative;margin-right:10px;
}
.sort-wrap select{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;
  padding:10px 34px 10px 16px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
  -webkit-appearance:none;-moz-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230a0a0a' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat:no-repeat;background-position:right 12px center;
}

/* ══ RESULT COUNT BAR ══ */
.products-intro{
  max-width:760px;padding:8px 0 36px;
  font-size:15px;line-height:1.75;color:var(--muted);
  border-bottom:1px solid var(--line);margin-bottom:32px;
}
.products-intro p{margin:0;}
.products-intro strong{color:var(--ink);font-weight:600;}
@media (max-width:880px){
  .products-intro{font-size:14px;padding:4px 0 28px;margin-bottom:24px;}
}

.result-bar{
  padding:20px 0 0;margin-bottom:-20px;
  font-family:'Archivo',sans-serif;font-size:12px;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}
.result-bar strong{color:var(--ink);font-weight:700;}

/* ══ SUB-FILTER ROW (contextual feature filters) ══ */
.sub-filter-bar{
  background:var(--bg-2);border-bottom:1px solid var(--line);
  padding:0;max-height:0;overflow:hidden;
  transition:max-height 0.4s ease, padding 0.4s ease;
}
.sub-filter-bar.open{
  max-height:200px;padding:14px 0;
}
.sub-filter-inner{
  max-width:1480px;margin:0 auto;padding:0 40px;
  display:flex;gap:8px;flex-wrap:wrap;align-items:center;
}
.sub-filter-label{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  margin-right:8px;
}
.sub-filter-btn{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;
  padding:7px 13px;border:1px solid var(--line);
  background:#fff;color:var(--muted);cursor:pointer;
  transition:.2s;
}
.sub-filter-btn:hover{border-color:var(--ink);color:var(--ink);}
.sub-filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);}
.sub-filter-clear{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  cursor:pointer;border-bottom:1px solid transparent;margin-left:6px;
  padding:7px 4px;background:transparent;border-top:none;border-left:none;border-right:none;
}
.sub-filter-clear:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* ══ SEARCH BOX ══ */
.search-wrap{
  position:relative;display:flex;align-items:center;
  margin-left:auto;
}
.search-wrap input{
  width:240px;padding:11px 16px 11px 38px;
  font-family:'Inter',sans-serif;font-size:13px;
  border:1px solid var(--line);background:#fff;
  outline:none;transition:border-color .2s;
}
.search-wrap input:focus{border-color:var(--ink);}
.search-wrap::before{
  content:'⌕';position:absolute;left:14px;
  color:var(--muted);font-size:14px;pointer-events:none;
}

/* ══ LOAD MORE ══ */
.load-more-wrap{
  display:flex;flex-direction:column;align-items:center;
  margin-top:60px;gap:16px;
}
.load-more-btn{
  font-family:'Archivo',sans-serif;font-size:12px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;
  padding:18px 40px;background:transparent;color:var(--ink);
  border:1px solid var(--ink);cursor:pointer;transition:.25s;
}
.load-more-btn:hover{background:var(--ink);color:#fff;}
.load-more-info{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}

/* ══ CATEGORY DESCRIPTION (SEO) ══ */
.cat-desc{
  padding:80px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--bg-2);
}
.cat-desc-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;
}
.cat-desc h2{
  font-family:'Archivo',sans-serif;font-size:clamp(28px,3.5vw,48px);
  font-weight:300;letter-spacing:-0.03em;line-height:.95;margin-bottom:20px;
}
.cat-desc h2 strong{font-weight:800;}
.cat-desc p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.cat-desc .specs-mini{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border:1px solid var(--line);margin-top:28px;
}
.cat-desc .spec-item{
  padding:18px 20px;border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
}
.cat-desc .spec-item:nth-child(2n){border-right:none;}
.cat-desc .spec-item .k{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;
}
.cat-desc .spec-item .v{font-size:14px;font-weight:600;color:var(--ink);}

/* ══ CATEGORY FAQ ══ */
.cat-faq{padding:80px 0;background:var(--ink);color:#fff;}
.cat-faq h2{
  font-family:'Archivo',sans-serif;font-size:clamp(28px,3.5vw,48px);
  font-weight:300;letter-spacing:-0.03em;line-height:.95;margin-bottom:48px;color:#fff;
}
.cat-faq h2 strong{font-weight:800;}
.cat-faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.cat-faq-item{background:#151515;border:1px solid #282828;padding:28px;transition:border-color .3s;}
.cat-faq-item:hover{border-color:var(--accent);}
.cat-faq-item h4{
  font-family:'Archivo',sans-serif;font-size:20px;font-weight:700;
  letter-spacing:-0.01em;line-height:1.15;margin-bottom:12px;color:#fff;
}
.cat-faq-item p{font-size:14px;color:#bcbcb7;line-height:1.75;}

/* ══ RESPONSIVE ══ */
@media(max-width:1100px){
  .nav-links{display:none;}
  .product-grid{grid-template-columns:repeat(3,1fr);}
  .foot-top{grid-template-columns:1fr 1fr;}
    .cat-desc-inner{grid-template-columns:1fr;}
    .search-wrap input{width:100%;}
    .sub-filter-bar{top:auto;position:relative;}
    .sub-filter-inner{padding:0 20px;}
    .filter-tabs{order:2;}
    .search-wrap{order:1;width:100%;margin-left:0;margin-bottom:14px;}
    .cat-faq-grid{grid-template-columns:1fr;}
    .cat-desc .specs-mini{grid-template-columns:1fr;}
    .cat-desc .spec-item{border-right:none !important;}
}
@media(max-width:720px){
  .product-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .page-hero{padding:130px 0 60px;}
  .page-hero h1{font-size:36px;}
  .container{padding:0 20px;}
  .nav-inner{padding:18px 20px;}
  .filter-inner{padding:0 20px;}
  .foot-top{grid-template-columns:1fr;}
}

/* ══ WHATSAPP ══ */
.wa-btn{
  position:fixed;bottom:28px;right:28px;z-index:999;
  width:60px;height:60px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(37,211,102,0.4);
  transition:transform .3s;
}
.wa-btn:hover{transform:scale(1.1);}

  /* ── Mobile hamburger menu ── */
  .nav-burger{
    display:none;
    background:none;border:none;cursor:pointer;
    padding:8px;width:40px;height:40px;
    flex-direction:column;gap:5px;justify-content:center;align-items:center;
    color:inherit;
  }
  .nav-burger span{
    display:block;height:2px;width:24px;background:currentColor;
    transition:transform .3s ease, opacity .3s ease;
  }
  .nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-burger.open span:nth-child(2){opacity:0;}
  .nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  @media(max-width:1100px){
    nav, nav#nav{
      background:rgba(250,250,248,.96) !important;
      backdrop-filter:blur(16px);
      border-bottom:1px solid var(--line);
      color:var(--ink) !important;
    }
    .nav-inner{grid-template-columns:auto 1fr auto;padding:18px 24px;gap:20px;}
    .nav-burger{display:flex;}
    .lang-btn{display:none;}
    .nav-links{
      display:flex !important;
      position:absolute;top:100%;left:0;right:0;
      background:var(--bg);
      border-top:1px solid var(--line);border-bottom:1px solid var(--line);
      flex-direction:column;gap:0;
      padding:0;margin:0;
      max-height:0;overflow:hidden;
      transition:max-height .35s ease;
    }
    .nav-links.open{max-height:520px;}
    .nav-links li{list-style:none;border-bottom:1px solid var(--line);}
    .nav-links li:last-child{border-bottom:none;}
    .nav-links a{
      display:block;padding:16px 24px;
      opacity:1 !important;color:var(--ink);
      font-size:14px;font-weight:500;
    }
  }


  /* Skip-to-content link for keyboard / screen reader users */
  .skip-link{
    position:absolute;
    top:-100px;
    left:8px;
    background:var(--ink);
    color:#fff;
    padding:12px 20px;
    text-decoration:none;
    font-size:14px;
    font-weight:600;
    border-radius:4px;
    z-index:9999;
    transition:top 0.2s;
  }
  .skip-link:focus{top:8px;outline:2px solid var(--accent);outline-offset:2px;}

  
/* ═══ Catalog gate modal ═══ */
.cgm-overlay{
  position:fixed;inset:0;z-index:9997;
  background:rgba(10,10,10,.78);backdrop-filter:blur(4px);
  display:none;align-items:center;justify-content:center;
  padding:24px;
}
.cgm-overlay.is-open{display:flex;}
.cgm-modal{
  background:#fafaf8;color:#0a0a0a;
  width:100%;max-width:520px;
  padding:44px 44px 36px;position:relative;
  font-family:'Inter',sans-serif;
  box-shadow:0 24px 80px rgba(0,0,0,.4);
  max-height:92vh;overflow-y:auto;
}
.cgm-modal .cgm-close{
  position:absolute;top:14px;right:14px;
  background:transparent;border:none;cursor:pointer;
  width:36px;height:36px;font-size:22px;color:#6b6b68;
  display:flex;align-items:center;justify-content:center;
}
.cgm-modal .cgm-close:hover{color:#c8372a;}
.cgm-modal .cgm-eyebrow{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:#6b6b68;
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
}
.cgm-modal .cgm-eyebrow::before{content:'◆';color:#c8372a;font-size:8px;}
.cgm-modal h3{
  font-family:'Archivo',sans-serif;font-size:28px;font-weight:800;
  letter-spacing:-.02em;line-height:1.1;margin-bottom:12px;color:#0a0a0a;
}
.cgm-modal .cgm-lead{
  font-size:14px;line-height:1.6;color:#6b6b68;margin-bottom:24px;
}
.cgm-form .cgm-row{margin-bottom:14px;}
.cgm-form label{
  display:block;font-family:'Archivo',sans-serif;font-size:10px;
  font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#6b6b68;margin-bottom:6px;
}
.cgm-form input{
  width:100%;padding:13px 14px;border:1px solid #dcdad3;
  background:#fff;font-family:'Inter',sans-serif;font-size:14px;
  color:#0a0a0a;outline:none;transition:border-color .2s ease;
}
.cgm-form input:focus{border-color:#0a0a0a;}
.cgm-form .cgm-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.cgm-form .cgm-submit{
  width:100%;margin-top:8px;padding:16px 24px;
  background:#0a0a0a;color:#fff;border:none;cursor:pointer;
  font-family:'Archivo',sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  transition:background .2s ease;
}
.cgm-form .cgm-submit:hover{background:#c8372a;}
.cgm-form .cgm-submit:disabled{opacity:.6;cursor:wait;}
.cgm-form .cgm-fineprint{
  font-size:12px;color:#9a9a95;margin-top:14px;text-align:center;line-height:1.5;
}
.cgm-form .cgm-fineprint a{color:#6b6b68;text-decoration:underline;}
/* Success state */
.cgm-success{display:none;text-align:center;padding:8px 0;}
.cgm-modal.is-success .cgm-form{display:none;}
.cgm-modal.is-success .cgm-success{display:block;}
.cgm-success .cgm-check{
  width:64px;height:64px;border-radius:50%;background:#0a0a0a;color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:32px;margin-bottom:20px;
}
.cgm-success h4{
  font-family:'Archivo',sans-serif;font-size:22px;font-weight:800;
  letter-spacing:-.01em;margin-bottom:10px;color:#0a0a0a;
}
.cgm-success p{font-size:14px;color:#6b6b68;line-height:1.6;margin-bottom:24px;}
.cgm-success .cgm-dl{
  display:inline-flex;align-items:center;gap:12px;
  padding:18px 32px;background:#c8372a;color:#fff;
  font-family:'Archivo',sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;text-decoration:none;
  border:none;cursor:pointer;
}
.cgm-success .cgm-dl:hover{background:#dd4934;}
/* Dual CTA: PDF download + Online catalog */
.cgm-success .cgm-actions{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:8px;
}
.cgm-success .cgm-dl-secondary{
  display:inline-flex;align-items:center;gap:12px;
  padding:18px 32px;background:transparent;color:#141413;
  border:1.5px solid #141413;
  font-family:'Archivo',sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;text-decoration:none;
  cursor:pointer;transition:all .2s;
}
.cgm-success .cgm-dl-secondary:hover{background:#141413;color:#fff;}
.cgm-success .cgm-or{
  font-size:11px;color:#8d8d87;letter-spacing:.16em;text-transform:uppercase;
  margin:14px 0 4px;
}
.cgm-error{
  display:none;background:#fdf0ee;border-left:3px solid #c8372a;
  padding:12px 14px;font-size:13px;color:#0a0a0a;margin-top:12px;
}
.cgm-error.is-visible{display:block;}
@media (max-width:560px){
  .cgm-modal{padding:36px 26px 28px;}
  .cgm-modal h3{font-size:24px;}
}

  /* Download Catalog button */
  .catalog-dl-btn{
    display:inline-flex;
    align-items:center;
    gap:16px;
    background:var(--ink);
    color:#fff;
    padding:18px 28px;
    border-radius:6px;
    text-decoration:none;
    margin-top:24px;
    transition:background 0.2s,transform 0.2s;
    border:1px solid var(--ink);
  }
  .catalog-dl-btn:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-1px);}
  .catalog-dl-icon{
    font-size:22px;width:40px;height:40px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,0.12);border-radius:4px;flex-shrink:0;
  }
  .catalog-dl-text{display:flex;flex-direction:column;line-height:1.3;}
  .catalog-dl-text strong{font-size:15px;font-weight:600;letter-spacing:0;}
  .catalog-dl-text small{font-size:12px;opacity:0.7;letter-spacing:0.04em;margin-top:3px;}

/* Reveal-on-scroll animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease;}
.reveal.in{opacity:1;transform:none;}
.reveal.delay-1{transition-delay:.08s;}
.reveal.delay-2{transition-delay:.16s;}
.reveal.delay-3{transition-delay:.24s;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}}


  /* ══ QUOTE DRAWER (shared component) ══ */
  .mqd-launcher {
    position:fixed;bottom:100px;right:28px;z-index:998;
    display:flex;align-items:center;gap:10px;
    padding:14px 20px 14px 18px;border-radius:50px;
    background:#0a0a0a;color:#fff;border:none;cursor:pointer;
    font-family:'Archivo',sans-serif;font-size:12px;font-weight:700;
    letter-spacing:.12em;text-transform:uppercase;
    box-shadow:0 6px 24px rgba(0,0,0,.25);
    transition:transform .25s ease, background .25s ease;
  }
  
  .mqd-launcher:hover {
    transform:translateY(-2px);background:#c8372a;
  }
  
  .mqd-launcher svg {
    flex-shrink:0;
  }
  
  .mqd-launcher .mqd-pulse {
    position:absolute;top:10px;right:10px;
    width:10px;height:10px;border-radius:50%;background:#c8372a;
  }
  
  .mqd-launcher .mqd-pulse::after {
    content:'';position:absolute;inset:0;border-radius:50%;background:#c8372a;
    animation:mqd-pulse 1.8s ease-out infinite;
  }
  
  @keyframes mqd-pulse {
    0%{transform:scale(1);opacity:.7;}
    100%{transform:scale(2.6);opacity:0;}
  }
  
  @media(max-width:720px) {
    .mqd-launcher{
      bottom:96px;right:20px;padding:12px 16px;font-size:11px;
    }
    .mqd-launcher span.mqd-label-long{display:none;}
  }
  
  .mqd-backdrop {
    position:fixed;inset:0;z-index:1000;background:rgba(10,10,10,.55);
    backdrop-filter:blur(4px);opacity:0;pointer-events:none;
    transition:opacity .35s ease;
  }
  
  .mqd-backdrop.mqd-open {
    opacity:1;pointer-events:auto;
  }
  
  .mqd-drawer {
    position:fixed;top:0;right:0;bottom:0;z-index:1001;
    width:480px;max-width:100vw;background:#fafaf8;
    transform:translateX(100%);transition:transform .4s cubic-bezier(.4,0,.2,1);
    display:flex;flex-direction:column;
    box-shadow:-12px 0 40px rgba(0,0,0,.2);
  }
  
  .mqd-drawer.mqd-open {
    transform:translateX(0);
  }
  
  .mqd-drawer-head {
    padding:28px 32px 20px;border-bottom:1px solid #dcdad3;
    display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  }
  
  .mqd-drawer-head h3 {
    font-family:'Archivo',sans-serif;font-size:24px;font-weight:800;
    letter-spacing:-.02em;line-height:1.15;color:#0a0a0a;margin:0 0 8px;
  }
  
  .mqd-drawer-head p {
    font-family:'Inter',sans-serif;font-size:13px;color:#6b6b68;
    line-height:1.55;margin:0;
  }
  
  .mqd-close {
    width:36px;height:36px;border-radius:50%;border:1px solid #dcdad3;
    background:#fff;cursor:pointer;display:flex;align-items:center;
    justify-content:center;flex-shrink:0;font-size:18px;color:#0a0a0a;
    transition:background .2s;
  }
  
  .mqd-close:hover {
    background:#f2f1ed;
  }
  
  .mqd-form {
    flex:1;overflow-y:auto;padding:24px 32px 32px;
  }
  
  .mqd-form .mqd-row {
    display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px;
  }
  
  .mqd-form .mqd-row.mqd-full {
    grid-template-columns:1fr;
  }
  
  .mqd-form label {
    font-family:'Archivo',sans-serif;font-size:10px;font-weight:700;
    letter-spacing:.12em;text-transform:uppercase;color:#6b6b68;
    display:block;margin-bottom:6px;
  }
  
  .mqd-form input,
  .mqd-form textarea,
  .mqd-form select {
    width:100%;padding:12px 14px;background:#fff;border:1px solid #dcdad3;
    font-family:'Inter',sans-serif;font-size:14px;color:#0a0a0a;
    border-radius:0;outline:none;transition:border-color .2s;
  }
  
  .mqd-form input:focus,
  .mqd-form textarea:focus,
  .mqd-form select:focus {
    border-color:#0a0a0a;
  }
  
  .mqd-form textarea {
    min-height:90px;resize:vertical;
  }
  
  .mqd-form .mqd-hint {
    font-size:11px;color:#9a9a95;margin-top:4px;
  }
  
  .mqd-form .mqd-submit {
    width:100%;padding:16px;margin-top:8px;background:#0a0a0a;color:#fff;
    border:none;font-family:'Archivo',sans-serif;font-size:12px;font-weight:700;
    letter-spacing:.14em;text-transform:uppercase;cursor:pointer;
    transition:background .2s;
  }
  
  .mqd-form .mqd-submit:hover {
    background:#c8372a;
  }
  
  .mqd-form .mqd-privacy {
    font-size:11px;color:#6b6b68;line-height:1.6;
    margin-top:14px;text-align:center;
  }
  
  .mqd-form .mqd-privacy strong {
    color:#0a0a0a;
  }
  
  .mqd-form .mqd-hp {
    position:absolute;left:-10000px;top:auto;
    width:1px;height:1px;overflow:hidden;
  }
  
  .mqd-trust-row {
    display:flex;flex-wrap:wrap;gap:6px;margin-top:14px;
  }
  
  .mqd-trust-chip {
    font-family:'Archivo',sans-serif;font-size:9px;font-weight:700;
    letter-spacing:.1em;text-transform:uppercase;color:#6b6b68;
    padding:5px 10px;background:#f2f1ed;border:1px solid #e8e6df;
  }
  
  @media(max-width:520px) {
    .mqd-drawer{width:100vw;}
    .mqd-drawer-head{padding:22px 22px 16px;}
    .mqd-drawer-head h3{font-size:21px;}
    .mqd-form{padding:20px 22px 28px;}
    .mqd-form .mqd-row{grid-template-columns:1fr;}
  }
  
  body.mqd-locked {
    overflow:hidden;
  }

  /* ══ FILE UPLOAD (inquiry forms) ══ */
  .file-upload{
    margin-bottom:14px;padding:18px;
    border:2px dashed var(--line);background:#fff;
    text-align:center;cursor:pointer;transition:.2s;
    display:block;
  }
  .file-upload:hover{border-color:var(--accent);background:var(--bg-2);}
  .file-upload input[type=file]{display:none;}
  .file-upload .upload-icon{font-size:24px;margin-bottom:6px;}
  .file-upload .upload-text{
    font-family:'Archivo',sans-serif;font-size:12px;font-weight:600;
    letter-spacing:.08em;text-transform:uppercase;color:var(--ink);
    margin-bottom:4px;
  }
  .file-upload .upload-hint{font-size:11px;color:var(--muted);}
  .file-upload .upload-nda{
    font-size:11px;color:var(--accent);margin-top:10px;
    padding-top:10px;border-top:1px dashed var(--line);
    font-weight:600;letter-spacing:0.01em;line-height:1.5;
    max-width:380px;margin-left:auto;margin-right:auto;
  }
  .file-upload.has-file{border-color:var(--accent);border-style:solid;background:var(--bg-2);}
  .file-upload.has-file .upload-text{color:var(--accent);}

/* ═══ 全站按钮 shine sweep ═══ */
.btn-primary,.btn-secondary,.btn-dark,.cta-btn,.btn-light{
  position:relative; overflow:hidden; isolation:isolate;
  transition:background .4s ease, color .4s ease, transform .4s cubic-bezier(.25,.8,.25,1), border-color .4s ease;
}
.btn-primary::before,.btn-secondary::before,.btn-dark::before,.cta-btn::before,.btn-light::before{
  content:'';
  position:absolute;
  top:0; left:-100%;
  width:55%; height:100%;
  background:linear-gradient(100deg, transparent 0%, rgba(255,255,255,.28) 40%, rgba(255,255,255,.45) 50%, rgba(255,255,255,.28) 60%, transparent 100%);
  transform:skewX(-18deg);
  transition:left .7s cubic-bezier(.3,.7,.4,1);
  pointer-events:none;
  z-index:-1;
}
.btn-primary:hover::before,.btn-secondary:hover::before,
.btn-dark:hover::before,.cta-btn:hover::before,.btn-light:hover::before{left:160%;}
.btn-primary:hover,.btn-secondary:hover,.btn-dark:hover,.btn-light:hover{transform:translateY(-1px);}



/* ═══ PRODUCTS PAGE MOBILE FINE-TUNE ═══ */
@media(max-width:720px){
  .product-grid{grid-template-columns:1fr 1fr !important; gap:14px !important;}
  .product-card .img-wrap{height:200px !important;}
  .product-card .info{padding:14px 12px !important;}
  .product-card h3{font-size:13px !important;}
  .product-card .sku{font-size:9px !important;}
  
  .specs-mini{grid-template-columns:1fr !important;}
  .spec-item{padding:16px 18px !important;}
  .spec-item .k{font-size:10px !important;}
  .spec-item .v{font-size:13px !important;}
  
  .filter-inner{gap:10px !important;}
  .filter-btn{font-size:10px !important; padding:8px 14px !important;}
  .result-bar{font-size:10px !important;}
  
  .cat-intro{grid-template-columns:1fr !important; gap:28px !important;}
}


/* ═══════════════════════════════════════════════════════════════
   MOBILE SAFETY NET — declared last to override any earlier rules.
═══════════════════════════════════════════════════════════════ */
@media(max-width:1100px){
  /* Section headings */
  .sec-head{grid-template-columns:1fr !important; gap:28px !important; margin-bottom:48px !important;}
  .sec-head h2{font-size:clamp(36px, 7vw, 56px) !important;}
  .sec-head p{max-width:100% !important;}
  
  /* Common grids → 2 col */
  .caps-grid, .service-grid, .faq-grid, .trust-grid, .cases-grid, 
  .cert-band-grid, .cs-aggregate-inner, .qff-grid,
  .product-grid, .related-grid, .team-grid, .factory-grid, .fn-grid{
    grid-template-columns:1fr 1fr !important;
  }
  /* Common grids → 1 col */
  .cats-grid, .craft-grid, .fac-grid, .proc-grid, .detail-grid, .cs-grid,
  .svc-visual-row, .how-grid, .options-grid, .ins-grid, .rp-grid{
    grid-template-columns:1fr !important;
  }
  /* Cat card resets */
  .cat-1,.cat-2,.cat-3,.cat-4,.cat-5,.cat-6{grid-column:span 1 !important;}
  .craft-1,.craft-2,.craft-3,.craft-4,.craft-5,.craft-6{grid-column:span 1 !important;}
  
  /* Contact / hero */
  .contact-inner{grid-template-columns:1fr !important; gap:40px !important;}
  
  /* Footer */
  .foot-top{grid-template-columns:1fr 1fr !important;}
  
  /* Container */
  .nav-inner, .container{padding-left:24px !important; padding-right:24px !important;}
  /* nav-links: mobile menu uses max-height toggle, not display:none */
  
  /* Page hero headlines */
  .page-hero h1, .hero h1{font-size:clamp(36px, 9vw, 64px) !important;}
  .page-hero .hero-lead, .page-hero p.sub{max-width:100% !important;}
}

@media(max-width:720px){
  /* ═══ GLOBAL ═══ */
  section{padding:64px 0 !important;}
  .container{padding-left:18px !important; padding-right:18px !important;}
  .sec-head{margin-bottom:28px !important; gap:14px !important;}
  .sec-head h2{font-size:32px !important; line-height:1.05 !important;}
  .sec-head p{font-size:14px !important; line-height:1.6 !important;}
  .label, .label-light{font-size:10px !important;}
  
  /* ═══ PAGE HERO ═══ */
  .page-hero{padding:100px 0 64px !important; min-height:auto !important;}
  .page-hero h1{font-size:clamp(34px, 10vw, 48px) !important; line-height:1.0 !important;}
  .page-hero p.sub{font-size:14px !important; line-height:1.55 !important;}
  .page-hero .breadcrumb{font-size:10px !important;}
  
  /* ═══ GRIDS — full-size cards → 1 col ═══ */
  .caps-grid, .service-grid, .cases-grid, .trust-grid, .cs-grid,
  .svc-visual-row, .how-grid, .ins-grid, .rp-grid{
    grid-template-columns:1fr !important;
  }
  /* Small tiles stay 2x2 */
  .faq-grid, .cert-band-grid, .team-grid, .factory-grid, .fn-grid,
  .foot-top, .cs-aggregate-inner, .qff-grid,
  .product-grid, .related-grid{
    grid-template-columns:1fr 1fr !important;
  }
  
  /* ═══ CARDS — shorter ═══ */
  .cap-cell, .caps-card{min-height:auto !important; padding:24px 22px !important;}
  .cap-cell h3, .caps-card h3{font-size:22px !important;}
  .cap-cell p, .caps-card p{font-size:14px !important;}
  .craft-cell{min-height:auto !important;}
  .craft-info h4{font-size:20px !important;}
  .fac-card h3{font-size:20px !important;}
  .proc-step{
    min-height:auto !important;
    padding:28px 22px 32px !important;
    border-right:none !important; border-bottom:1px solid #292929 !important;
  }
  .proc-step h4{font-size:19px !important;}
  .proc-step p{font-size:14px !important;}
  
  /* ═══ CS-CARD (case-studies page) ═══ */
  .cs-card .cs-body{padding:24px 20px 20px !important;}
  .cs-card h2{font-size:20px !important;}
  .cs-card p{font-size:14px !important;}
  
  /* ═══ FAQ ═══ */
  .faq-item{padding:22px 20px !important;}
  .faq-item h4{font-size:18px !important;}
  .faq-item p{font-size:14px !important;}
  
  /* ═══ CTA BRIDGE ═══ */
  .cta-bridge{padding:60px 0 !important;}
  .cta-bridge-inner{grid-template-columns:1fr !important; gap:32px !important;}
  .cta-bridge h2{font-size:28px !important;}
  .cta-bridge-lead{font-size:14px !important;}
  
  /* ═══ FLOATING BUTTONS — slimmer ═══ */
  .mqd-launcher{
    padding:10px 14px !important; font-size:11px !important;
    letter-spacing:0.08em !important; gap:6px !important;
    box-shadow:0 2px 12px rgba(0,0,0,0.18) !important;
  }
  .mqd-launcher svg{width:14px !important; height:14px !important;}
  .mqd-launcher .mqd-label-long{display:none !important;}
  .mqd-launcher .mqd-pulse{width:5px !important; height:5px !important;}
  .wa-float{width:48px !important; height:48px !important;}
  .wa-float svg{width:20px !important; height:20px !important;}
  
  /* ═══ FOOTER — compact ═══ */
  .foot-top{gap:28px 20px !important; padding-bottom:36px !important;}
  .foot-top > div:first-child{grid-column:1 / -1;}
  .foot-top h5{font-size:10px !important; margin-bottom:12px !important;}
  .foot-top a, .foot-top li{font-size:12px !important;}
  .foot-desc{font-size:13px !important;}
  .foot-addr{font-size:12px !important;}
  .foot-bot{flex-direction:column !important; gap:8px !important; font-size:10px !important;}
  
  /* ═══ FORMS — mobile friendly ═══ */
  .form-row{grid-template-columns:1fr !important;}
  .contact-form{padding:0 !important;}
}


/* ═══ UNIVERSAL CARD HOVER (subtle lift + accent glow) ═══ */
.how-cell, .svc-card, .team-card, .factory-card, .facility-card,
.proc-step, .cert-band-card, .faq-item, .svc-visual-card,
.ins-card, .qff-card {
  transition: transform .45s cubic-bezier(.25,.8,.25,1),
              box-shadow .45s cubic-bezier(.25,.8,.25,1),
              border-color .35s ease !important;
}
.how-cell:hover, .svc-card:hover, .team-card:hover, 
.factory-card:hover, .cert-band-card:hover,
.ins-card:hover, .qff-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px -12px rgba(0,0,0,.08),
              0 4px 8px -4px rgba(200,55,42,.06);
}
/* Cards with top accent border: hover intensifies it */
.how-cell:hover, .svc-card:hover {
  border-top-color: var(--accent) !important;
  box-shadow: 0 14px 36px -12px rgba(0,0,0,.1),
              0 -2px 0 0 var(--accent);
}
/* Number turns accent color on hover */
.how-cell:hover .how-num,
.svc-card:hover .svc-num {
  color: var(--accent);
  transform: translateX(4px);
  transition: transform .35s ease, color .35s ease;
}
/* Process steps: subtle left-border accent on hover */
.proc-step:hover {
  background: rgba(200,55,42,.02);
}
.proc-step:hover .time {
  color: var(--accent) !important;
}
/* FAQ items already have hover, just enhance shadow */
.faq-item:hover {
  box-shadow: 0 8px 24px -8px rgba(0,0,0,.06);
}

/* ═══ Spec grid value accent ═══ */
.spec-item .v{
  color:var(--ink);
  font-weight:600;
}
.spec-item:hover{
  background:rgba(200,55,42,.03);
  transition:background .3s ease;
}