.tank-supplier-page{
  background:#f6f8fb;
}
.tank-supplier-page .page-hero{
  background:
    radial-gradient(circle at 12% 18%, rgba(18,119,155,.13), transparent 34%),
    linear-gradient(135deg,#f9fbfd 0%,#eef3f7 54%,#ffffff 100%);
  border-bottom:1px solid rgba(12,37,64,.08);
}
.tank-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(340px,.72fr);
  gap:34px;
  align-items:center;
}
.tank-hero-copy h1{
  margin:10px 0 8px;
  color:#102842;
  letter-spacing:-.03em;
}
.tank-subtitle{
  display:block;
  direction:ltr;
  color:#557086;
  font-family:Inter,Vazirmatn,sans-serif;
  font-size:18px;
  margin-top:10px;
  font-weight:650;
}
.tank-lead{
  color:#41556a;
  font-size:17px;
  line-height:2.15;
  max-width:880px;
}
.tank-hero-panel{
  background:rgba(255,255,255,.82);
  border:1px solid rgba(12,37,64,.1);
  border-radius:28px;
  padding:16px;
  box-shadow:0 24px 54px rgba(10,37,64,.1);
}
.tank-hero-panel img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:22px;
  display:block;
}
.tank-hero-badges,.tank-chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}
.tank-chip{
  border:1px solid rgba(12,37,64,.12);
  background:#fff;
  color:#31485e;
  border-radius:999px;
  padding:8px 12px;
  font-size:13px;
  font-weight:650;
}
.tank-category-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.tank-category-card{
  display:flex;
  flex-direction:column;
  min-height:100%;
  background:#fff;
  border:1px solid rgba(12,37,64,.1);
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 16px 38px rgba(12,37,64,.06);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.tank-category-card:hover{
  transform:translateY(-3px);
  border-color:rgba(14,124,159,.28);
  box-shadow:0 22px 48px rgba(12,37,64,.1);
}
.tank-card-image{
  display:block;
  background:#eef3f7;
  padding:14px;
}
.tank-card-image img{
  width:100%;
  height:190px;
  object-fit:cover;
  border-radius:18px;
  display:block;
}
.tank-card-body{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.tank-card-body h3{
  margin:0;
  color:#102842;
  font-size:20px;
}
.tank-card-body h3 a{
  color:inherit;
  text-decoration:none;
}
.tank-card-en{
  direction:ltr;
  text-align:right;
  color:#708194;
  font-family:Inter,Vazirmatn,sans-serif;
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.tank-card-body p{
  color:#53677a;
  line-height:2;
  margin:0;
}
.tank-mini-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:auto;
}
.tank-mini-list span{
  background:#f3f6f9;
  border:1px solid rgba(12,37,64,.08);
  border-radius:12px;
  padding:6px 9px;
  color:#40556a;
  font-size:12px;
  font-weight:650;
}
.tank-card-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:8px;
}
.tank-card-actions .btn{
  flex:1;
  min-width:130px;
  justify-content:center;
}
.tank-panel{
  background:#fff;
  border:1px solid rgba(12,37,64,.1);
  border-radius:24px;
  padding:26px;
  box-shadow:0 14px 34px rgba(12,37,64,.05);
}
.tank-panel.dark{
  background:linear-gradient(135deg,#0a2540,#123b5a);
  color:#fff;
}
.tank-panel.dark h2,.tank-panel.dark h3{color:#fff}
.tank-panel.dark p,.tank-panel.dark li{color:rgba(255,255,255,.82)}
.tank-check-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 18px;
  padding:0;
  margin:18px 0 0;
  list-style:none;
}
.tank-check-list li{
  position:relative;
  padding-right:22px;
  color:#43586c;
  line-height:1.9;
}
.tank-check-list li:before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:#0e7c9f;
  position:absolute;
  right:0;
  top:13px;
}
.tank-spec-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border:1px solid rgba(12,37,64,.12);
  border-radius:18px;
  background:#fff;
}
.tank-spec-table th,.tank-spec-table td{
  padding:14px 16px;
  border-bottom:1px solid rgba(12,37,64,.08);
  vertical-align:top;
  line-height:1.9;
}
.tank-spec-table th{
  background:#102842;
  color:#fff;
  font-weight:750;
}
.tank-spec-table tr:last-child td{border-bottom:0}
.tank-spec-table td:first-child{
  font-weight:750;
  color:#102842;
  width:28%;
}
.tank-text-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.tank-text-card{
  background:#fff;
  border:1px solid rgba(12,37,64,.1);
  border-radius:18px;
  padding:18px;
  min-height:126px;
}
.tank-text-card h3{margin:0 0 8px;color:#102842;font-size:17px}
.tank-text-card p{margin:0;color:#52677a;line-height:1.9}
.tank-related-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tank-related-links a{
  border:1px solid rgba(12,37,64,.12);
  background:#fff;
  border-radius:14px;
  padding:10px 14px;
  color:#102842;
  text-decoration:none;
  font-weight:750;
}
.tank-datasheet-box{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:22px;
  background:linear-gradient(135deg,#ffffff,#eef6f9);
  border:1px solid rgba(14,124,159,.16);
  border-radius:24px;
  padding:26px;
}
.tank-datasheet-box p{margin:6px 0 0;color:#53677a;line-height:1.9}
@media (max-width:980px){
  .tank-hero-grid,.tank-category-grid{grid-template-columns:1fr}
  .tank-text-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tank-check-list{grid-template-columns:1fr}
}
@media (max-width:640px){
  .tank-hero-panel{padding:10px;border-radius:20px}
  .tank-hero-panel img{border-radius:16px}
  .tank-card-image img{height:170px}
  .tank-text-grid{grid-template-columns:1fr}
  .tank-datasheet-box{display:block}
  .tank-datasheet-box .btn{margin-top:16px;width:100%;justify-content:center}
}