/* TOPFENG Pump 2026 visual refresh
   Direction: precision industrial / technical B2B.
   This stylesheet intentionally departs from the houseware site's rounded navy/orange card language. */

:root{
  --navy:#0e2838;
  --navy-light:#173f52;
  --orange:#ff7a1a;
  --orange-dark:#db5e00;
  --orange-light:#fff3e8;
  --gray-50:#f3f6f7;
  --gray-100:#e9eef0;
  --gray-200:#d8e1e4;
  --gray-300:#bcc9ce;
  --gray-600:#63747c;
  --gray-700:#40535c;
  --gray-800:#1b2b32;
  --white:#ffffff;
  --steel:#2f6672;
  --steel-soft:#dcebed;
  --ink:#0a171d;
  --shadow-sm:0 1px 0 rgba(8,24,32,.06);
  --shadow:0 14px 34px rgba(8,30,40,.08);
  --shadow-lg:0 24px 60px rgba(7,26,35,.12);
  --radius:3px;
  --radius-lg:5px;
  --max:1280px;
}

body{
  font-family:"Manrope","Segoe UI",Arial,sans-serif;
  color:var(--gray-800);
  background:#fff;
  letter-spacing:-.01em;
}

.container{max-width:var(--max);padding-left:32px;padding-right:32px}
.section{padding:96px 0;scroll-margin-top:92px}
.section-label{
  position:relative;
  padding-left:34px;
  font-size:11px;
  letter-spacing:2.8px;
  color:var(--steel);
  margin-bottom:14px;
}
.section-label::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:22px;height:2px;
  background:var(--orange);
  transform:translateY(-50%);
}
.section-title{
  color:var(--ink);
  font-size:42px;
  line-height:1.08;
  letter-spacing:-.035em;
  max-width:760px;
}
.section-desc{color:var(--gray-600);font-size:15px;max-width:720px}
.section-head{margin-bottom:12px}

/* Header — compact industrial navigation */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid #dce4e7;
  box-shadow:none;
}
.header-inner{height:82px;padding:0 32px}
.site-logo img{height:38px}
.main-nav{gap:6px}
.main-nav a{
  position:relative;
  padding:30px 13px 26px;
  border-radius:0;
  color:#3d5059;
  font-size:13px;
  letter-spacing:.01em;
}
.main-nav a:hover{background:transparent;color:var(--ink)}
.main-nav a::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:18px;
  height:2px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--ink)}
.header-actions .btn-primary{
  background:var(--ink);
  border:1px solid var(--ink);
  border-radius:2px;
  padding:12px 22px;
  letter-spacing:.02em;
}
.header-actions .btn-primary:hover{background:var(--orange);border-color:var(--orange)}

/* Buttons — less rounded, more engineered */
.btn{border-radius:2px;padding:11px 22px;letter-spacing:.01em}
.btn-lg{padding:14px 28px;font-size:14px}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark)}
.btn-outline{border:1px solid #809198;color:var(--ink);background:#fff}
.btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-white{background:var(--ink);color:#fff}
.btn-white:hover{background:var(--steel)}
.btn-outline-light{color:var(--ink);border:1px solid #8c9ca2;background:transparent}
.btn-outline-light:hover{background:#fff;border-color:#fff;color:var(--ink)}

/* Home hero — light technical editorial composition */
.hero{
  background:
    linear-gradient(90deg,#f3f6f7 0%,#f3f6f7 64%,#e7eef0 64%,#e7eef0 100%);
  color:var(--ink);
  padding:108px 0 0;
  min-height:650px;
  border-bottom:1px solid #d6e0e3;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0 0 0 64%;
  width:auto;height:auto;
  border-radius:0;
  background:
    linear-gradient(rgba(47,102,114,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,102,114,.08) 1px,transparent 1px);
  background-size:42px 42px;
}
.hero::after{
  content:"FLOW / PRESSURE / CONTROL";
  position:absolute;
  right:40px;
  top:116px;
  width:auto;height:auto;
  border-radius:0;
  background:none;
  color:rgba(14,40,56,.22);
  font-size:11px;
  font-weight:800;
  letter-spacing:3px;
  writing-mode:vertical-rl;
}
.hero-inner{padding-bottom:0}
.hero-inner::before{
  content:"01  /  WATER SYSTEMS";
  display:block;
  color:var(--steel);
  font-size:11px;
  font-weight:800;
  letter-spacing:2.4px;
  margin-bottom:24px;
}
.hero h1{
  max-width:820px;
  color:var(--ink);
  font-size:58px;
  line-height:1.02;
  letter-spacing:-.045em;
  margin-bottom:26px;
}
.hero h1 span{color:var(--steel);display:inline}
.hero p{color:#50636c;max-width:700px;font-size:16px;line-height:1.75}
.hero-btns{margin-bottom:60px}
.hero-stats{
  margin:0 -32px 0;
  gap:0;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--ink);
  border-top:4px solid var(--orange);
}
.hero-stat{
  text-align:left;
  padding:24px 30px 26px;
  border-right:1px solid rgba(255,255,255,.12);
}
.hero-stat:last-child{border-right:0}
.hero-stat-num{font-size:28px;color:#fff;line-height:1}
.hero-stat-label{font-size:10px;color:rgba(255,255,255,.55);letter-spacing:1.7px;margin-top:8px}

/* Page intros — editorial band instead of houseware cards */
.site-header + .section,
.site-header + .about-section{
  border-bottom:1px solid var(--gray-200);
}
.site-header + .section .section-head,
.site-header + .about-section .section-head{max-width:920px}

/* About */
.about-section{background:#fff}
.about-grid{grid-template-columns:.9fr 1.1fr;gap:76px;align-items:center}
.about-image{border-radius:2px;box-shadow:none;border:1px solid var(--gray-200);position:relative}
.about-image::after{
  content:"NINGBO / CN";
  position:absolute;
  left:0;bottom:0;
  padding:10px 14px;
  background:var(--ink);
  color:#fff;
  font-size:10px;
  letter-spacing:2px;
}
.features-list{gap:0 28px;margin-top:30px;border-top:1px solid var(--gray-200)}
.feature-item{padding:20px 0;border-bottom:1px solid var(--gray-200)}
.feature-icon{width:38px;height:38px;border-radius:2px;background:var(--steel-soft)}
.feature-icon svg{width:18px;height:18px;color:var(--steel)}
.feature-content strong{font-size:13px;color:var(--ink)}

/* Categories — architectural photo tiles */
.cat-grid{gap:16px;margin-top:44px}
.cat-card{height:270px;border-radius:2px;box-shadow:none;border:1px solid var(--gray-200)}
.cat-card:hover{transform:none;box-shadow:none;border-color:#97aab1}
.cat-card:hover .cat-card-bg{transform:scale(1.025)}
.cat-overlay{
  background:linear-gradient(to top,rgba(8,23,29,.94) 0%,rgba(8,23,29,.58) 52%,rgba(8,23,29,.08) 100%);
  padding:24px;
}
.cat-overlay h3{font-size:18px;letter-spacing:-.02em}
.cat-overlay .arrow{color:#ffb274;font-size:11px;letter-spacing:.08em;text-transform:uppercase}

/* Product cards — technical catalogue */
.products-section,.why-section,.inquiry-wrap{background:#f3f6f7}
.products-grid{gap:18px;margin-top:44px}
.product-card{
  border-radius:2px;
  border:1px solid #d5dfe2;
  box-shadow:none;
  position:relative;
}
.product-card::before{content:"";position:absolute;left:-1px;top:-1px;width:4px;height:44px;background:var(--steel);z-index:2}
.product-card:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(8,30,40,.08);border-color:#a8b8be}
.product-img{background:#f7f9fa;border-bottom:1px solid var(--gray-200)}
.product-img img{padding:18px}
.product-info{padding:18px 18px 20px}
.product-info .cat-tag{font-size:9px;letter-spacing:1.6px;color:var(--steel)}
.product-info h3{font-size:14px;color:var(--ink);min-height:40px}
.product-info .p-id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;color:#788990}
.product-info .p-specs{font-size:11px}
.product-info .inq{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--steel)}
.product-info .inq:hover{color:var(--orange)}

/* Filter toolbar */
.filter-btn{border-radius:2px;padding:9px 14px;font-size:11px;letter-spacing:.03em;background:#fff}
.filter-btn.active{background:var(--ink);border-color:var(--ink)}
.search-box input{border-radius:2px;height:40px}

/* Why us — left aligned capability matrix */
.why-grid{gap:0;margin-top:42px;border-top:1px solid #cbd7db;border-left:1px solid #cbd7db}
.why-card{text-align:left;padding:30px 28px;border-right:1px solid #cbd7db;border-bottom:1px solid #cbd7db;background:#fff}
.why-icon{width:40px;height:40px;border-radius:2px;background:var(--ink);margin:0 0 22px}
.why-icon svg{width:18px;height:18px;color:#fff}
.why-card h3{font-size:15px;color:var(--ink)}
.why-card p{font-size:12px;line-height:1.75}

/* Factory gallery — less lifestyle, more documentary */
.factory-gallery{gap:10px;grid-template-rows:260px 260px}
.gallery-item{border-radius:1px;box-shadow:none;border:1px solid var(--gray-200)}
.gallery-item:hover{transform:none;box-shadow:none}
.gallery-label{left:0;bottom:0;border-radius:0;background:rgba(8,23,29,.88);font-size:9px;letter-spacing:1.7px;padding:8px 11px}

/* Facts / OEM / certifications */
.facts-grid,.oem-grid{gap:12px}
.fact-card,.oem-card{border-radius:2px;box-shadow:none;border:1px solid var(--gray-200);text-align:left;padding:26px;background:#fff}
.fact-num,.oem-value{font-size:28px;color:var(--steel)}
.fact-label,.oem-label{text-transform:uppercase;letter-spacing:.08em;font-size:10px;color:#687b84}
.oem-note{font-size:11px}
.cert-box{border-radius:2px;border:1px solid #cad7db;box-shadow:none;padding:34px;border-left:5px solid var(--steel)}
.cert-badge{border-radius:2px;background:#eef4f5;border-color:#cbdadd;color:var(--ink)}
.cert-badge svg{color:var(--steel)}

/* CTA — strong closing band */
.cta-section{
  background:var(--ink);
  text-align:left;
  position:relative;
  overflow:hidden;
}
.cta-section::after{
  content:"";
  position:absolute;
  right:-80px;top:-100px;
  width:360px;height:360px;
  border:1px solid rgba(255,255,255,.12);
  transform:rotate(45deg);
}
.cta-section .section-label{color:#ffb274}
.cta-section .section-title{color:#fff;margin:0 0 14px;max-width:720px}
.cta-section .section-desc{color:rgba(255,255,255,.62);margin:0 0 28px;max-width:660px}
.cta-btns{justify-content:flex-start}
.cta-section .btn-outline{background:transparent;border-color:#6f858e;color:#fff}
.cta-section .btn-outline:hover{background:#fff;color:var(--ink)}

/* Product detail */
.breadcrumb{padding:28px 0 18px;font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.pd-grid{gap:64px}
.pd-main-img{border-radius:2px;background:#f6f8f9}
.pd-thumb{border-radius:1px}
.pd-cat{color:var(--steel);font-size:10px;letter-spacing:2px}
.pd-name{font-size:36px;color:var(--ink);letter-spacing:-.035em}
.pd-id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}
.pd-feature{border-radius:2px;background:var(--steel-soft);color:#285864;padding:8px 12px;font-size:10px}
.detail-title{font-size:26px;color:var(--ink);letter-spacing:-.025em}
.spec-table{border-radius:2px}
.spec-table th{background:#eef3f5;color:#52656e;font-size:12px}
.spec-table td{font-size:13px}
.inquiry-box{border-radius:2px;border:1px solid #cbd8dc;background:#fff}

/* Forms & contact */
.form-group input,.form-group select,.form-group textarea{border-radius:2px;background:#fff;border-color:#c8d3d7}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--steel);box-shadow:0 0 0 2px rgba(47,102,114,.08)}
.contact-grid{gap:28px}
.contact-info,.contact-form-card{border-radius:2px;box-shadow:none;border-color:#ccd8dc}
.contact-info{background:var(--ink);color:#fff}
.contact-info h3,.contact-info .ci-value{color:#fff}
.contact-info .ci-label{color:rgba(255,255,255,.52)}
.contact-info .ci-icon{border-radius:2px;background:rgba(255,255,255,.09)}
.contact-info .ci-icon svg{color:#ffad6a}
.contact-info .ci-value a:hover{color:#ffad6a}

/* Blog */
.blog-grid{gap:18px}
.blog-card{border-radius:2px;box-shadow:none}
.blog-card:hover{transform:none;box-shadow:0 14px 30px rgba(8,30,40,.08)}
.blog-card-body{padding:26px}
.blog-card-body .cat-tag{color:var(--steel);font-size:9px;letter-spacing:1.8px}
.blog-card-body h3{color:var(--ink)}

/* Footer */
.site-footer{
  background:#07151c;
  padding:68px 0 28px;
  border-top:5px solid var(--orange);
}
.footer-grid{grid-template-columns:1.65fr 1fr 1fr 1.35fr;gap:54px}
.site-footer h4{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:#fff}
.footer-about p,.footer-links a,.footer-contact p{font-size:12px}
.footer-links a{border-bottom:1px solid rgba(255,255,255,.06);padding:7px 0;color:rgba(255,255,255,.55)}
.footer-links a:hover{color:#ffad6a}
.footer-bottom{color:rgba(255,255,255,.34);font-size:10px;letter-spacing:.04em}

/* Privacy */
.privacy-hero{
  background:#edf2f4;
  color:var(--ink);
  padding:84px 0 72px;
  border-bottom:1px solid var(--gray-200);
  position:relative;
  overflow:hidden;
}
.privacy-hero::after{
  content:"LEGAL / PRIVACY";
  position:absolute;
  right:32px;top:32px;
  color:#9aabb1;
  font-size:10px;
  letter-spacing:2.6px;
}
.privacy-hero .section-label{color:var(--steel)}
.privacy-hero h1{color:var(--ink);font-size:52px;letter-spacing:-.04em}
.privacy-hero p{color:#586b73;max-width:760px}
.privacy-wrap{background:#fff}
.privacy-card{border:0;border-left:1px solid #cbd7db;border-radius:0;box-shadow:none;padding:8px 0 24px 48px;max-width:900px;margin:0}
.privacy-card h2{color:var(--ink);font-size:24px}
.privacy-card h3{color:var(--steel)}
.privacy-contact{border-radius:0;background:#edf3f4;border-left:4px solid var(--steel)}

/* Responsive */
@media(max-width:1024px){
  .hero{background:#f3f6f7}
  .hero::before{display:none}
  .hero::after{display:none}
  .hero h1{font-size:50px;max-width:800px}
  .hero-stats{margin-left:-32px;margin-right:-32px}
  .products-grid{grid-template-columns:repeat(3,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
  .container{padding-left:20px;padding-right:20px}
  .section{padding:68px 0}
  .section-title{font-size:32px}
  .header-inner{height:70px;padding:0 20px}
  .main-nav{top:70px;border-radius:0;padding:12px 20px}
  .main-nav a{padding:11px 8px}
  .main-nav a::after{display:none}
  .hero{padding:70px 0 0;min-height:auto}
  .hero h1{font-size:38px}
  .hero p{font-size:15px}
  .hero-btns{margin-bottom:42px}
  .hero-stats{grid-template-columns:1fr 1fr;margin-left:-20px;margin-right:-20px}
  .hero-stat{padding:20px;border-bottom:1px solid rgba(255,255,255,.1)}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .features-list{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .factory-gallery{grid-template-columns:1fr 1fr;grid-template-rows:220px 180px 180px}
  .factory-gallery .gallery-item:first-child{grid-column:1/3;grid-row:auto}
  .why-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .privacy-card{padding-left:22px}
  .privacy-hero h1{font-size:38px}
}

@media(max-width:520px){
  .hero h1{font-size:34px}
  .products-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-stat-num{font-size:24px}
}


/* GEO V1 — entity-first, answer-first technical content */
.geo-entity-section{background:#fff;border-bottom:1px solid var(--gray-200)}
.geo-entity-head{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:42px 70px;align-items:end;margin-bottom:42px}
.geo-entity-head .section-label,.geo-entity-head .section-title{grid-column:1}
.geo-entity-head .section-title{margin-bottom:0}
.geo-answer{grid-column:2;grid-row:1/3;font-size:16px;line-height:1.9;color:#40535c;border-left:3px solid var(--orange);padding:4px 0 4px 28px}
.geo-answer strong{color:var(--ink)}
.geo-scope-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #cbd7db;border-left:1px solid #cbd7db}
.geo-scope-card{padding:28px 26px 30px;background:#f8fafb;border-right:1px solid #cbd7db;border-bottom:1px solid #cbd7db;min-height:220px;transition:background .18s ease}
.geo-scope-card:hover{background:#eef4f5}
.geo-scope-card>span{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--orange);font-size:11px;margin-bottom:34px}
.geo-scope-card h3{font-size:17px;color:var(--ink);margin-bottom:10px;letter-spacing:-.02em}
.geo-scope-card p{font-size:12px;line-height:1.75;color:var(--gray-600)}
.geo-buyer-guide{margin-top:28px;background:var(--ink);color:#fff;display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;padding:38px 42px;border-top:4px solid var(--orange)}
.geo-buyer-guide h3{font-size:24px;line-height:1.25;letter-spacing:-.025em;margin-top:8px}
.geo-kicker{display:block;font-size:9px;text-transform:uppercase;letter-spacing:2px;color:var(--steel);font-weight:800;margin-bottom:8px}
.geo-buyer-guide .geo-kicker{color:#ffad6a}
.geo-metric-list{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.geo-metric-list>div{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.geo-metric-list strong{display:block;font-size:12px;margin-bottom:4px}
.geo-metric-list span{display:block;font-size:11px;line-height:1.55;color:rgba(255,255,255,.58)}

.pd-geo-section{background:#fff;padding-top:30px}
.pd-geo-answer{max-width:980px;border-left:4px solid var(--orange);padding:4px 0 4px 28px;margin-bottom:30px}
.pd-geo-answer h2{font-size:28px;color:var(--ink);letter-spacing:-.03em;margin-bottom:10px}
.pd-geo-answer p{font-size:15px;line-height:1.85;color:#40535c}
.pd-selection-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #cad7db;border-left:1px solid #cad7db;margin-bottom:32px}
.pd-selection-card{padding:20px 18px;border-right:1px solid #cad7db;border-bottom:1px solid #cad7db;background:#f5f8f9}
.pd-selection-card span{display:block;font-size:9px;text-transform:uppercase;letter-spacing:1.4px;color:#6b7d84;margin-bottom:7px}
.pd-selection-card strong{display:block;font-size:14px;line-height:1.45;color:var(--ink)}
.pd-b2b-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.pd-b2b-grid>div{border:1px solid #d5dfe2;padding:26px;background:#fff}
.pd-b2b-grid h3,.pd-buyer-questions h3{font-size:20px;color:var(--ink);letter-spacing:-.02em;margin-bottom:9px}
.pd-b2b-grid p{font-size:13px;color:var(--gray-600);line-height:1.78}
.pd-buyer-questions{background:#eef4f5;border-left:4px solid var(--steel);padding:26px 28px}
.pd-question-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.pd-question-grid>div{background:#fff;padding:18px;border:1px solid #d5dfe2}
.pd-question-grid strong{display:block;font-size:12px;color:var(--ink);margin-bottom:7px}
.pd-question-grid p{font-size:12px;color:var(--gray-600);line-height:1.65}

@media(max-width:900px){
  .geo-entity-head{grid-template-columns:1fr;gap:12px}
  .geo-entity-head .section-label,.geo-entity-head .section-title,.geo-answer{grid-column:1;grid-row:auto}
  .geo-answer{margin-top:12px}
  .geo-scope-grid{grid-template-columns:1fr 1fr}
  .geo-buyer-guide{grid-template-columns:1fr;gap:24px}
  .pd-selection-grid{grid-template-columns:1fr 1fr}
  .pd-b2b-grid{grid-template-columns:1fr}
  .pd-question-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .geo-scope-grid{grid-template-columns:1fr}
  .geo-buyer-guide{padding:28px 22px}
  .geo-metric-list{grid-template-columns:1fr}
  .pd-selection-grid{grid-template-columns:1fr}
  .pd-geo-answer{padding-left:18px}
  .pd-buyer-questions{padding:22px 18px}
}

/* GEO V1.1 — mobile-first usability pass */
html,body{max-width:100%;overflow-x:hidden}
img{max-width:100%;height:auto}
button,input,select,textarea{font:inherit}

@media(max-width:768px){
  .container{width:100%;padding-left:18px;padding-right:18px}
  .site-header{backdrop-filter:none}
  .header-inner{height:66px;padding:0 18px;position:relative}
  .site-logo img{height:29px;width:auto;max-width:190px}
  .hamburger{display:flex;width:42px;height:42px;align-items:center;justify-content:center;gap:5px}
  .hamburger span{width:23px}
  .main-nav{top:66px;left:0;right:0;width:100%;max-height:calc(100vh - 66px);overflow-y:auto;padding:10px 18px 18px;background:#fff}
  .main-nav.open{display:flex}
  .main-nav a{width:100%;padding:13px 4px;border-bottom:1px solid var(--gray-100);font-size:15px}
  .header-actions{gap:6px}
  .header-actions .btn{display:none}

  .section{padding:58px 0}
  .section-title{font-size:30px;line-height:1.13}
  .section-desc{font-size:14px}
  .hero{padding-top:56px}
  .hero h1{font-size:35px;line-height:1.06}
  .hero-btns{display:grid;grid-template-columns:1fr;gap:10px}
  .hero-btns .btn{width:100%;text-align:center}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-stat{min-width:0}

  .products-grid{grid-template-columns:1fr}
  .product-info h3{min-height:0}
  .cat-card{height:235px}
  .factory-gallery{display:grid;grid-template-columns:1fr;grid-template-rows:none}
  .factory-gallery .gallery-item:first-child{grid-column:auto}
  .gallery-item{min-height:210px}

  .breadcrumb{padding:18px 0 12px;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;font-size:9px}
  .pd-grid{grid-template-columns:1fr;gap:24px}
  .pd-main-img{min-height:0;padding:10px}
  .pd-main-img img{width:100%;height:auto;max-height:430px;object-fit:contain}
  .pd-thumbs{display:flex;grid-template-columns:none;gap:8px;overflow-x:auto;padding:2px 0 10px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}
  .pd-thumb{flex:0 0 70px;width:70px;height:70px;scroll-snap-align:start}
  .pd-name{font-size:29px;line-height:1.12}
  .pd-shortdesc{font-size:14px;line-height:1.65}
  .pd-features{gap:6px}
  .pd-feature{font-size:10px;padding:7px 9px}
  .pd-btns{display:grid;grid-template-columns:1fr;gap:10px;margin-top:22px}
  .pd-btns .btn{width:100%;text-align:center}

  .detail-section{padding:46px 0}
  .detail-title{font-size:23px}
  .pd-geo-section{padding-top:20px}
  .pd-geo-answer{padding-left:16px;margin-bottom:22px}
  .pd-geo-answer h2{font-size:24px;line-height:1.18}
  .pd-geo-answer p{font-size:14px;line-height:1.75}
  .pd-selection-grid{grid-template-columns:1fr 1fr;margin-bottom:22px}
  .pd-selection-card{padding:14px 12px}
  .pd-selection-card strong{font-size:12px}
  .pd-b2b-grid{grid-template-columns:1fr;gap:12px}
  .pd-b2b-grid>div{padding:20px}
  .pd-b2b-grid h3{font-size:18px}

  .spec-table{table-layout:fixed;width:100%}
  .spec-table th,.spec-table td{padding:11px 10px;font-size:12px;vertical-align:top;overflow-wrap:anywhere;word-break:normal}
  .spec-table th{width:36%}
  .detail-cols{grid-template-columns:1fr;gap:34px}
  .app-list li,.acc-list li{font-size:13px;line-height:1.65}
  .cert-box{padding:22px 18px}
  .cert-model,.cert-numbers{overflow-wrap:anywhere}

  .inquiry-wrap{padding:46px 0}
  .inquiry-box,.contact-form-card,.contact-info{padding:22px 18px}
  .form-row{grid-template-columns:1fr;gap:0}
  .form-group input,.form-group select,.form-group textarea{width:100%;min-width:0;font-size:16px}
  .form-submit .btn,.inquiry-box .btn{width:100%}

  .geo-entity-head{grid-template-columns:1fr}
  .geo-answer{padding-left:18px;font-size:14px}
  .geo-scope-grid{grid-template-columns:1fr}
  .geo-scope-card{min-height:0;padding:22px 20px}
  .geo-scope-card>span{margin-bottom:18px}
  .geo-buyer-guide{grid-template-columns:1fr;padding:26px 20px}
  .geo-metric-list{grid-template-columns:1fr}

  .privacy-hero{padding:58px 0 48px}
  .privacy-hero h1{font-size:36px}
  .privacy-card{padding-left:18px;padding-right:0}
  .privacy-card h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{display:block;line-height:1.7}
}

@media(max-width:420px){
  .container{padding-left:15px;padding-right:15px}
  .header-inner{padding:0 15px}
  .site-logo img{height:26px;max-width:170px}
  .hero h1{font-size:31px}
  .hero-stat{padding:17px 15px}
  .hero-stat-num{font-size:22px}
  .section-title{font-size:27px}
  .pd-name{font-size:26px}
  .pd-selection-grid{grid-template-columns:1fr}
  .pd-thumb{flex-basis:64px;width:64px;height:64px}
  .spec-table th,.spec-table td{padding:10px 8px;font-size:11px}
  .spec-table th{width:34%}
}


/* GEO V1.2 — faster product gallery + compact mobile product UI */
.name-mobile,.label-mobile{display:none}
.pd-main-img img{transition:opacity .12s ease}
@media(max-width:768px){
  .name-full,.label-full{display:none!important}
  .name-mobile,.label-mobile{display:inline!important}
  .pd-name{font-size:25px;line-height:1.08;letter-spacing:-.025em;margin-bottom:7px}
  .pd-geo-answer h2{font-size:23px;line-height:1.12;letter-spacing:-.025em}
  .pd-grid{gap:18px}
  .pd-main-img{aspect-ratio:1;background:#f7f9fa;border-color:#dfe6e8;padding:4px}
  .pd-main-img img{max-height:none;padding:4px}
  .pd-thumbs{margin-top:8px;padding-bottom:6px;gap:7px}
  .pd-thumb{flex:0 0 58px;width:58px;height:58px;border-width:1px;border-radius:3px}
  .pd-thumb img{padding:2px}
  .pd-feature{white-space:nowrap;flex:0 0 auto;font-size:10px;padding:6px 8px}
  .pd-features{display:flex;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:5px;margin-right:-18px;padding-right:18px;scrollbar-width:none}
  .pd-features::-webkit-scrollbar{display:none}
  .pd-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}
  .pd-btns .btn{width:auto;min-height:44px;justify-content:center;padding:10px 12px;font-size:14px;line-height:1;border-width:1px}
  .pd-divider{margin:18px 0}
  .pd-shortdesc{margin-bottom:0}
}
@media(max-width:420px){
  .pd-name{font-size:23px}
  .pd-geo-answer h2{font-size:22px}
  .pd-thumb{flex-basis:54px;width:54px;height:54px}
  .pd-btns .btn{font-size:13px;padding:9px 8px;min-height:42px}
}


/* GEO V1.3 — mobile gallery width fix + reliable compact CTAs */
.pd-btn-mobile{display:none}
@media(max-width:768px){
  .pd-grid,.pd-grid>* ,.pd-gallery{min-width:0;max-width:100%;width:100%}
  .pd-gallery{overflow:hidden}
  .pd-main-img{
    width:100%;
    height:min(88vw,380px);
    aspect-ratio:auto;
    padding:8px;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
  }
  .pd-main-img img{
    display:block;
    width:100%;
    height:100%;
    max-width:100%;
    max-height:100%;
    object-fit:contain;
    object-position:center;
    padding:0;
  }
  .pd-thumbs{
    width:100%;
    max-width:100%;
    min-width:0;
    overflow-x:auto;
    overflow-y:hidden;
    overscroll-behavior-x:contain;
  }
  .pd-name,.pd-id,.pd-shortdesc{max-width:100%;overflow-wrap:anywhere}
  .pd-btn-desktop{display:none!important}
  .pd-btn-mobile{display:inline-flex!important}
  .pd-btns{
    display:grid!important;
    grid-template-columns:1fr 1fr!important;
    gap:8px!important;
    width:100%;
    margin-top:14px;
  }
  .pd-btns .pd-btn-mobile{
    min-width:0;
    width:100%!important;
    height:46px;
    min-height:46px;
    padding:0 10px!important;
    margin:0;
    justify-content:center;
    align-items:center;
    text-align:center;
    font-size:14px!important;
    font-weight:800;
    line-height:1!important;
    white-space:nowrap;
  }
}
@media(max-width:420px){
  .pd-main-img{height:min(86vw,350px);padding:6px}
  .pd-btns .pd-btn-mobile{height:44px;min-height:44px;font-size:13px!important}
}