.bec-wrap{max-width:1180px;margin:0 auto;padding:32px 18px;font-family:Inter,Arial,sans-serif;color:#172033}.bec-lang{text-align:right;margin-bottom:12px}.bec-lang a{display:inline-block;margin-left:8px;padding:6px 10px;border:1px solid #d7deea;border-radius:999px;text-decoration:none;color:#153b6f}.bec-hero{background:linear-gradient(135deg,#f7fbff,#eef5ff);border:1px solid #dbe7f5;border-radius:28px;padding:70px 44px;margin:22px 0;box-shadow:0 18px 50px rgba(20,54,96,.08)}.bec-kicker{display:inline-block;color:#b2262e;font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:12px;margin-bottom:12px}.bec-hero h1{font-size:48px;line-height:1.05;margin:0 0 18px;color:#102a4c}.bec-hero p{font-size:19px;line-height:1.7;max-width:760px;color:#41516b}.bec-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.bec-btn{display:inline-block;background:#123e73;color:#fff!important;padding:13px 20px;border-radius:12px;text-decoration:none;border:none;cursor:pointer;font-weight:700}.bec-btn.secondary{background:#fff;color:#123e73!important;border:1px solid #cbd8e8}.bec-section{background:#fff;border:1px solid #e4eaf2;border-radius:24px;padding:34px;margin:22px 0;box-shadow:0 10px 30px rgba(30,55,90,.05)}.bec-section h1,.bec-section h2,.bec-wrap h2{color:#102a4c}.bec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:20px}.bec-card{border:1px solid #e4eaf2;border-radius:22px;padding:24px;background:#fff;box-shadow:0 10px 24px rgba(30,55,90,.05)}.bec-card h3{margin:10px 0;color:#102a4c}.bec-card p{color:#526174;line-height:1.55}.bec-card a{font-weight:700;color:#123e73;text-decoration:none}.bec-tag{display:inline-block;background:#fff2f2;color:#a91f2a;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700}.bec-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:22px 0}.bec-stats div{background:#102a4c;color:#fff;border-radius:20px;padding:24px}.bec-stats strong{display:block;font-size:28px}.bec-stats span{opacity:.85}.bec-form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.bec-form input,.bec-form select,.bec-form textarea{width:100%;padding:13px;border:1px solid #d4deeb;border-radius:12px;margin-bottom:12px;box-sizing:border-box}.bec-success{background:#ecfff4;border:1px solid #b9e7c8;color:#155c2c;padding:14px;border-radius:12px;margin-bottom:16px}.bec-error{background:#fff0f0;border:1px solid #f0b8b8;color:#812121;padding:14px;border-radius:12px;margin-bottom:16px}.bec-table{width:100%;border-collapse:collapse}.bec-table th,.bec-table td{border-bottom:1px solid #e2e8f0;padding:10px;text-align:left}@media(max-width:700px){.bec-hero{padding:38px 24px}.bec-hero h1{font-size:34px}}

.bec-lang{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;margin-bottom:16px}.bec-lang a{display:inline-block;padding:7px 12px;border:1px solid #d7deea;border-radius:999px;text-decoration:none;color:#153b6f;background:#fff}.bec-lang a.active{background:#123e73;color:#fff!important;border-color:#123e73}.bec-detail-list{display:grid;grid-template-columns:1fr;gap:10px;margin:24px 0}.bec-detail-list div{display:grid;grid-template-columns:220px 1fr;gap:14px;border-top:1px solid #e4eaf2;padding:12px 0}.bec-detail-list strong{color:#102a4c}.bec-detail-list span{color:#526174}.bec-single .bec-section h1{font-size:42px;margin-top:8px}@media(max-width:700px){.bec-detail-list div{grid-template-columns:1fr}.bec-lang{justify-content:flex-start}.bec-single .bec-section h1{font-size:32px}}
.bec-product-hero-img{margin:18px 0 24px;border-radius:22px;overflow:hidden;border:1px solid #e4eaf2;background:#f7fbff}.bec-product-hero-img img{width:100%;height:auto;display:block;max-height:420px;object-fit:cover}.bec-media-block{margin-top:30px}.bec-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:14px 0 24px}.bec-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;border:1px solid #e4eaf2;background:#f7fbff}.bec-downloads{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}.bec-detail-list span{white-space:pre-line}.bec-media-block iframe{max-width:100%;border-radius:16px}

/* v1.4 Visitor interaction / inquiry system */
.bec-inquiry-box{margin-top:34px;padding:26px;border:1px solid #dbe4f0;border-radius:20px;background:linear-gradient(180deg,#ffffff 0%,#f8fbff 100%);box-shadow:0 12px 34px rgba(15,59,120,.08)}
.bec-inquiry-box h2{margin-top:6px;margin-bottom:8px;color:#0f3b78}
.bec-context-form{margin-top:18px}
.bec-quick-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:14px}
.bec-quick-actions label{display:flex;align-items:center;gap:8px;padding:12px;border:1px solid #dbe4f0;border-radius:12px;background:#fff;font-weight:700;color:#0f3b78;cursor:pointer}
.bec-quick-actions input{width:auto;margin:0}
.bec-success{padding:14px 16px;border-radius:12px;background:#ecfdf3;border:1px solid #bbf7d0;color:#166534;margin-bottom:16px;font-weight:700}
.bec-error{padding:14px 16px;border-radius:12px;background:#fff1f2;border:1px solid #fecdd3;color:#9f1239;margin-bottom:16px;font-weight:700}
@media (max-width:900px){.bec-quick-actions{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.bec-quick-actions{grid-template-columns:1fr}.bec-inquiry-box{padding:18px}}

/* v1.5 interaction improvements */
.bec-quick-actions label.active,
.bec-quick-actions label:has(input:checked){
  background:#0f3b78;
  color:#fff;
  border-color:#0f3b78;
  box-shadow:0 8px 24px rgba(15,59,120,.14);
}
.bec-quick-actions label.active input,
.bec-quick-actions label:has(input:checked) input{ accent-color:#fff; }
.bec-form select,
.bec-form input,
.bec-form textarea{
  width:100%;
  min-height:48px;
}
.bec-form select{
  border:1px solid #d6e1f0;
  border-radius:12px;
  padding:0 16px;
  background:#fff;
  font:inherit;
}
.bec-form select:required:invalid{ color:#64748b; }
.bec-top-request{ cursor:pointer; }


/* v1.6 company product layout */
.bec-company-products{margin-top:34px;padding-top:24px;border-top:1px solid #e4eaf2}
.bec-company-products h2{margin-bottom:8px;color:#102a4c}
.bec-muted{color:#64748b;background:#f8fbff;border:1px dashed #cbd8e8;border-radius:14px;padding:16px}
.bec-card-img{display:block;margin:-8px -8px 16px -8px;border-radius:16px;overflow:hidden;background:#f7fbff;border:1px solid #e4eaf2}
.bec-card-img img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.bec-product-card .bec-tag{margin-bottom:8px}

/* v1.7 UI refinement: compact inquiry form, better margins, mobile ready */
.bec-wrap{max-width:1120px;padding:26px 22px;}
.bec-section{padding:28px;margin:20px 0;}
.bec-inquiry-box{max-width:1120px;margin:30px auto 0;padding:28px 30px;border-radius:22px;overflow:hidden;}
.bec-inquiry-box .bec-kicker{font-size:12px;letter-spacing:.12em;margin-bottom:8px;}
.bec-inquiry-box h2{font-size:clamp(28px,3.4vw,44px);line-height:1.12;margin:8px 0 14px;max-width:900px;}
.bec-inquiry-box p{font-size:16px;line-height:1.65;margin:0 0 20px;color:#334155;}
.bec-quick-actions{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0 16px;}
.bec-quick-actions label{min-height:58px;display:flex;align-items:center;justify-content:flex-start;gap:10px;padding:12px 15px;border-radius:14px;font-size:15px;line-height:1.25;}
.bec-quick-actions input[type="radio"]{flex:0 0 18px;width:18px!important;height:18px!important;min-height:0!important;padding:0!important;margin:0!important;appearance:auto!important;}
.bec-form-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
.bec-form input:not([type="radio"]):not([type="checkbox"]),
.bec-form select,
.bec-form textarea{font-size:15px;min-height:46px;padding:11px 14px!important;border-radius:13px!important;margin:0!important;}
.bec-form textarea{min-height:112px;resize:vertical;grid-column:1/-1;}
.bec-form .bec-btn, .bec-context-form button{margin-top:14px;padding:12px 20px!important;border-radius:13px!important;font-size:15px!important;min-width:150px;}
.bec-actions .bec-top-request{padding:12px 18px!important;border-radius:14px!important;font-size:15px;line-height:1.2;}
.bec-detail-list div{padding:14px 0;grid-template-columns:230px 1fr;}
.bec-card{padding:20px;}

@media(max-width:900px){
  .bec-wrap{padding:22px 15px;}
  .bec-inquiry-box{padding:22px 18px;margin-top:24px;}
  .bec-quick-actions{grid-template-columns:1fr 1fr;}
  .bec-form-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  .bec-wrap{padding:18px 12px;}
  .bec-section{padding:20px;margin:16px 0;border-radius:18px;}
  .bec-inquiry-box{padding:18px 14px;border-radius:18px;}
  .bec-inquiry-box h2{font-size:28px;}
  .bec-inquiry-box p{font-size:15px;}
  .bec-quick-actions{grid-template-columns:1fr;gap:9px;}
  .bec-quick-actions label{min-height:52px;padding:11px 13px;}
  .bec-form-grid{grid-template-columns:1fr;}
  .bec-form textarea{min-height:120px;}
  .bec-context-form button,.bec-form .bec-btn{width:100%;}
  .bec-actions{display:grid;grid-template-columns:1fr;}
  .bec-actions .bec-top-request{width:100%;text-align:center;}
  .bec-detail-list div{grid-template-columns:1fr;gap:4px;}
}