:root{
  --dark:#07111f;--green:#22c55e;--green-dark:#16a34a;--text:#111827;--muted:#6b7280;
  --bg:#f5f7fb;--card:#ffffff;--line:#e5e7eb;--warning-bg:#fff7ed;--warning-border:#fed7aa;--warning-text:#9a3412;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}
.topbar{background:#020617;color:#cbd5e1;padding:10px 8%;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
header{background:var(--dark);color:white;padding:20px 8%;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10;box-shadow:0 6px 18px rgba(0,0,0,.16)}
.logo{font-size:25px;font-weight:800;letter-spacing:.2px}.logo span{color:var(--green)}
nav a{margin-left:18px;color:white;font-size:15px;opacity:.92}nav a:hover{color:#86efac}
.hero{background:linear-gradient(135deg,#08111f,#172942);color:white;padding:95px 8%;display:grid;grid-template-columns:1.2fr .8fr;gap:35px;align-items:center}
.hero h1{font-size:54px;line-height:1.08;margin-bottom:18px;max-width:780px}.hero p{color:#cbd5e1;font-size:18px;max-width:720px}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:30px}.hero-card h3{color:#86efac;margin-bottom:14px;font-size:22px}.hero-card ul{list-style:none}.hero-card li{margin:10px 0;color:#e5e7eb}
.container{max-width:1180px;margin:auto;padding:64px 20px}.section-title{text-align:center;margin-bottom:38px}.section-title h2{font-size:34px;color:#0f172a;margin-bottom:10px}.section-title p{color:var(--muted)}
.btn{display:inline-block;background:var(--green);color:white;padding:14px 24px;border-radius:9px;font-weight:700;margin-top:22px;border:0;cursor:pointer}.btn:hover{background:var(--green-dark)}
.btn-outline{background:transparent;border:1px solid #94a3b8;color:white;margin-left:10px}.btn-small{padding:10px 16px;margin-top:12px;font-size:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:24px}.card,.box,.product-box,.section{background:var(--card);padding:28px;border-radius:16px;border:1px solid var(--line);box-shadow:0 10px 25px rgba(0,0,0,.045)}
.card{transition:.25s;overflow:hidden}.card:hover{transform:translateY(-6px);box-shadow:0 16px 35px rgba(0,0,0,.09)}
.product-img{width:100%;height:165px;object-fit:cover;border-radius:14px;margin-bottom:18px;background:#eef2ff;border:1px solid #e5e7eb}
.card h2,.card h3,.box h2,.section h2{color:#0f172a;margin-bottom:12px}.card p,.box p,.section p{color:var(--muted);font-size:14px;margin-bottom:12px}
.tag{display:inline-block;background:#dcfce7;color:#166534;padding:6px 12px;border-radius:20px;font-size:12px;font-weight:700;margin-bottom:16px}
.product-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.link{color:var(--green-dark);font-weight:700;font-size:14px}
.notice{margin-top:35px;background:var(--warning-bg);border:1px solid var(--warning-border);color:var(--warning-text);padding:22px;border-radius:14px;font-size:14px}
footer{background:var(--dark);color:#9ca3af;text-align:center;padding:35px 20px;font-size:14px}footer a{color:#cbd5e1;margin:0 8px}
.product-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start}.product-box h1{font-size:44px;margin-bottom:10px}.product-subtitle{color:var(--muted);margin-bottom:20px}
.product-main-image{width:100%;height:285px;object-fit:cover;border-radius:18px;border:1px solid var(--line);margin-bottom:24px;background:#eef2ff}
.spec-table{width:100%;border-collapse:collapse;margin-top:18px;background:white;border-radius:12px;overflow:hidden}.spec-table th,.spec-table td{padding:15px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.spec-table th{width:34%;background:#f9fafb;color:#374151}
ul.checklist{list-style:none;margin:12px 0}ul.checklist li{margin:10px 0;color:#374151}.faq-item{margin-bottom:18px}.faq-item h3{color:#0f172a;margin-bottom:8px}.faq-item p{color:#4b5563}
.coa-table{width:100%;border-collapse:collapse;margin-top:20px;background:white;border-radius:12px;overflow:hidden}.coa-table th,.coa-table td{padding:16px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.coa-table th{background:#0f172a;color:white}.status{color:var(--green-dark);font-weight:700}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:20px}.breadcrumb a{color:var(--green-dark)}
@media(max-width:900px){
  header{flex-direction:column;gap:15px}nav{text-align:center}nav a{display:inline-block;margin:5px 8px}.hero{grid-template-columns:1fr;padding:70px 6%}.hero h1{font-size:38px}.product-layout{grid-template-columns:1fr}.product-main-image{height:220px}
}


.search-panel{
  background:white;
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
  margin-bottom:30px;
}
.search-row{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  align-items:center;
}
.search-input{
  flex:1;
  min-width:260px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:10px;
  font-size:15px;
}
.filter-btn{
  padding:11px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#f9fafb;
  cursor:pointer;
  font-weight:700;
  color:#374151;
}
.filter-btn.active,
.filter-btn:hover{
  background:#dcfce7;
  color:#166534;
  border-color:#86efac;
}
.product-count{
  margin-top:14px;
  color:var(--muted);
  font-size:14px;
}
.no-results{
  display:none;
  text-align:center;
  padding:36px;
  background:white;
  border:1px solid var(--line);
  border-radius:16px;
  color:var(--muted);
}


/* V9 professional upgrade */
.pro-section{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;margin-top:44px}.pro-image{width:100%;border-radius:22px;border:1px solid var(--line);box-shadow:0 16px 35px rgba(0,0,0,.08);background:white}.trust-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-top:-35px;position:relative;z-index:2}.trust-item{background:white;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 10px 25px rgba(0,0,0,.06)}.trust-item strong{display:block;font-size:18px;color:#0f172a;margin-bottom:6px}.trust-item span{color:var(--muted);font-size:14px}.category-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;margin:28px 0 42px}.category-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 10px 25px rgba(0,0,0,.045)}.category-card h3{margin-bottom:8px;color:#0f172a}.category-card p{color:var(--muted);font-size:14px}.process-img{width:100%;border-radius:20px;border:1px solid var(--line);margin-top:22px}.mobile-cta{display:none}@media(max-width:900px){.pro-section{grid-template-columns:1fr}.trust-strip{margin-top:20px}.mobile-cta{display:block;position:fixed;bottom:12px;left:12px;right:12px;z-index:99;text-align:center;background:#22c55e;color:white;padding:14px 16px;border-radius:999px;font-weight:800;box-shadow:0 12px 30px rgba(0,0,0,.22)}body{padding-bottom:70px}}


/* V10 quote form + policy pages */
.form-wrap{
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:28px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.form-field{
  display:flex;
  flex-direction:column;
  gap:7px;
}
.form-field label{
  font-weight:700;
  color:#0f172a;
  font-size:14px;
}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  padding:13px 14px;
  border:1px solid var(--line);
  border-radius:10px;
  font-size:15px;
  font-family:Arial,Helvetica,sans-serif;
}
.form-field textarea{
  min-height:130px;
  resize:vertical;
}
.full-row{
  grid-column:1 / -1;
}
.quote-preview{
  margin-top:22px;
  background:#f8fafc;
  border:1px dashed #cbd5e1;
  border-radius:14px;
  padding:18px;
  color:#334155;
  white-space:pre-wrap;
  font-size:14px;
}
.policy-content{
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:34px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
}
.policy-content h2{
  margin-top:24px;
  margin-bottom:10px;
  color:#0f172a;
}
.policy-content p,
.policy-content li{
  color:#4b5563;
  margin-bottom:10px;
}
.policy-content ul{
  padding-left:22px;
}
.action-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:16px;
}
@media(max-width:900px){
  .form-grid{
    grid-template-columns:1fr;
  }
}


/* V11 catalog table */
.catalog-toolbar{
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
  margin-bottom:24px;
}
.catalog-search{
  width:100%;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:10px;
  font-size:15px;
}
.catalog-table-wrap{
  overflow-x:auto;
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
}
.catalog-table{
  width:100%;
  border-collapse:collapse;
  min-width:860px;
}
.catalog-table th,
.catalog-table td{
  padding:16px;
  border-bottom:1px solid var(--line);
  text-align:left;
  font-size:14px;
}
.catalog-table th{
  background:#0f172a;
  color:#ffffff;
  position:sticky;
  top:0;
}
.catalog-table tr:hover{
  background:#f8fafc;
}
.catalog-note{
  background:#f0fdf4;
  border:1px solid #bbf7d0;
  color:#166534;
  border-radius:14px;
  padding:18px;
  margin:22px 0;
}
.mini-btn{
  display:inline-block;
  background:#22c55e;
  color:white;
  padding:8px 12px;
  border-radius:8px;
  font-weight:700;
  font-size:13px;
  white-space:nowrap;
}
.download-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:16px;
}


/* V12 multilingual */
.lang-switch{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-left:14px;
  padding:7px 10px;
  border:1px solid rgba(255,255,255,.35);
  border-radius:999px;
  font-size:13px;
  color:white;
}
.lang-switch:hover{background:rgba(255,255,255,.08);color:#86efac}
.lang-note{
  background:#eff6ff;
  border:1px solid #bfdbfe;
  color:#1e3a8a;
  border-radius:14px;
  padding:18px;
  margin:22px 0;
}
.zh .hero h1{font-size:50px}
.zh nav a{font-size:14px}
@media(max-width:900px){
  .lang-switch{margin-left:8px;margin-top:5px}
  .zh .hero h1{font-size:36px}
}


/* V13 SEO landing pages */
.seo-hero-note{
  margin-top:18px;
  padding:16px 18px;
  border:1px solid rgba(255,255,255,.20);
  border-radius:14px;
  color:#dbeafe;
  background:rgba(255,255,255,.07);
}
.breadcrumbs{
  font-size:14px;
  color:var(--muted);
  margin-bottom:18px;
}
.breadcrumbs a{color:var(--green-dark);font-weight:700}
.seo-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:18px;
  margin-top:22px;
}
.seo-list a{
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px;
  box-shadow:0 10px 22px rgba(0,0,0,.04);
}
.seo-list strong{display:block;color:#0f172a;margin-bottom:6px}
.seo-list span{font-size:14px;color:var(--muted)}
.error-page{
  min-height:64vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.error-card{
  background:white;
  border:1px solid var(--line);
  border-radius:22px;
  padding:44px;
  max-width:720px;
  box-shadow:0 14px 34px rgba(0,0,0,.08);
}
.error-card h1{font-size:62px;color:#0f172a;margin-bottom:8px}


/* V14 resources / knowledge center */
.resource-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:22px;
}
.resource-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:26px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
  transition:.25s;
}
.resource-card:hover{
  transform:translateY(-5px);
  box-shadow:0 16px 35px rgba(0,0,0,.085);
}
.resource-card h3{
  color:#0f172a;
  margin-bottom:10px;
}
.resource-card p{
  color:var(--muted);
  font-size:14px;
  margin-bottom:12px;
}
.article-layout{
  display:grid;
  grid-template-columns:1fr 280px;
  gap:28px;
  align-items:start;
}
.article-content{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:34px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
}
.article-content h2{
  margin-top:28px;
  margin-bottom:10px;
  color:#0f172a;
}
.article-content p,
.article-content li{
  color:#4b5563;
  margin-bottom:12px;
}
.article-content ul{
  padding-left:22px;
}
.article-sidebar{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px;
  position:sticky;
  top:110px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
}
.article-sidebar a{
  display:block;
  color:#16a34a;
  font-weight:700;
  margin:10px 0;
  font-size:14px;
}
.resource-badge{
  display:inline-block;
  background:#eff6ff;
  color:#1d4ed8;
  border:1px solid #bfdbfe;
  border-radius:999px;
  padding:7px 12px;
  font-size:12px;
  font-weight:800;
  margin-bottom:16px;
}
@media(max-width:900px){
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{position:static}
}


/* V15 conversion upgrade */
.floating-whatsapp{
  position:fixed;
  right:18px;
  bottom:88px;
  z-index:120;
  background:#22c55e;
  color:white;
  width:58px;
  height:58px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  font-size:26px;
  font-weight:900;
  box-shadow:0 16px 35px rgba(0,0,0,.24);
}
.floating-whatsapp:hover{
  background:#16a34a;
  color:white;
}
.cta-band{
  background:linear-gradient(135deg,#07111f,#12233d);
  color:white;
  border-radius:22px;
  padding:34px;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:24px;
  align-items:center;
  margin:44px 0;
}
.cta-band h2{
  font-size:30px;
  margin-bottom:10px;
}
.cta-band p{
  color:#cbd5e1;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:flex-end;
}
.template-box{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
}
.template-text{
  background:#f8fafc;
  border:1px dashed #cbd5e1;
  border-radius:14px;
  padding:16px;
  white-space:pre-wrap;
  color:#334155;
  font-size:14px;
  margin-top:12px;
}
.copy-btn{
  background:#0f172a;
  color:white;
  border:0;
  padding:10px 14px;
  border-radius:9px;
  font-weight:800;
  cursor:pointer;
  margin-top:12px;
}
.copy-btn:hover{background:#1e293b}
.qr-card{
  background:white;
  border:1px solid var(--line);
  border-radius:22px;
  padding:32px;
  text-align:center;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
}
.qr-box{
  width:260px;
  height:260px;
  margin:18px auto;
  border:1px solid var(--line);
  border-radius:18px;
  background:#f8fafc;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px;
}
.qr-box svg{width:100%;height:100%}
.step-timeline{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:18px;
  margin-top:24px;
}
.timeline-item{
  background:white;
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px;
  box-shadow:0 10px 25px rgba(0,0,0,.045);
}
.timeline-num{
  width:42px;
  height:42px;
  border-radius:999px;
  background:#dcfce7;
  color:#166534;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  margin-bottom:12px;
}
@media(max-width:900px){
  .cta-band{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .floating-whatsapp{right:14px;bottom:86px;width:54px;height:54px}
}


/* V16 buyer support upgrade */
.support-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.support-card{background:white;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 10px 25px rgba(0,0,0,.045);transition:.25s}
.support-card:hover{transform:translateY(-5px);box-shadow:0 16px 35px rgba(0,0,0,.085)}
.support-card h3{color:#0f172a;margin-bottom:10px}.support-card p{color:var(--muted);font-size:14px;margin-bottom:14px}
.process-steps{counter-reset:step;display:grid;gap:18px}
.process-step{background:white;border:1px solid var(--line);border-radius:18px;padding:24px;display:grid;grid-template-columns:58px 1fr;gap:18px;align-items:start;box-shadow:0 10px 25px rgba(0,0,0,.045)}
.process-step::before{counter-increment:step;content:counter(step);width:48px;height:48px;background:#dcfce7;color:#166534;border-radius:999px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px}
.doc-checklist{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.doc-item{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:20px}.doc-item strong{color:#0f172a;display:block;margin-bottom:8px}.doc-item span{color:#64748b;font-size:14px}
.warning-card{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:18px;padding:24px;margin-top:24px}