/* ============================================================
   Product detail — unified SEO / GEO optimized layout
   One clean, modern B2B design for every product page:
   white cards, blue primary / orange accent, clear semantic
   sections that are equally easy for users, Google and
   AI / GEO engines to read and extract.
   ============================================================ */

.ptfe-product-detail{background:#fff;}

/* ---------- Breadcrumb ---------- */
.ptfe-product-detail .ptfe-breadcrumb{background:transparent;border-bottom:none;position:static;padding:22px 0 0;}
.ptfe-product-detail .ptfe-breadcrumb .ptfe-container{padding:0;}

/* ---------- 1. Hero overview ---------- */
.ptfe-pd-body{padding:6px 20px 56px;}
.ptfe-pd-hero{margin-top:22px;}
.ptfe-pd-hero-inner{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;background:#fff;border:1px solid var(--ptfe-line);border-radius:16px;padding:32px;box-shadow:var(--ptfe-shadow);}
.ptfe-pd-media{position:relative;border-radius:12px;overflow:hidden;background:var(--ptfe-bg);border:1px solid var(--ptfe-line);}
.ptfe-pd-media img{display:block;width:100%;height:auto;border-radius:12px;}
.ptfe-pd-info{min-width:0;}
.ptfe-pd-badge{display:inline-block;background:var(--ptfe-bg-alt);color:var(--ptfe-primary);font-weight:700;font-size:.7rem;letter-spacing:1.2px;text-transform:uppercase;padding:6px 14px;border-radius:30px;margin-bottom:16px;}
.ptfe-pd-title{font-size:2.15rem;line-height:1.22;margin-bottom:14px;letter-spacing:-.3px;}
.ptfe-pd-brief{font-size:1.05rem;color:var(--ptfe-muted);line-height:1.75;max-width:58ch;}
.ptfe-pd-meta-row{padding:14px 0;border-top:1px dashed var(--ptfe-line);border-bottom:1px dashed var(--ptfe-line);margin:20px 0;display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;}
.ptfe-pd-sku{font-family:var(--ptfe-font-head);font-size:.76rem;font-weight:700;letter-spacing:.5px;color:var(--ptfe-muted);text-transform:uppercase;background:var(--ptfe-bg);border:1px solid var(--ptfe-line);padding:4px 12px;border-radius:20px;display:inline-block;}
.ptfe-pd-hero-cta{margin:4px 0 0;}
.ptfe-pd-hero-cta .ptfe-inquiry-buttons{margin:0;}

/* ---------- 2. Supply & delivery facts ---------- */
.ptfe-pd-supply-section .ptfe-pd-supply{margin-top:2px;}
.ptfe-pd-supply{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0;}
.ptfe-pd-supply-item{background:var(--ptfe-bg);border:1px solid var(--ptfe-line);border-radius:12px;padding:16px 18px;transition:border-color .2s,box-shadow .2s;}
.ptfe-pd-supply-item:hover{border-color:var(--ptfe-primary);box-shadow:var(--ptfe-shadow);}
.ptfe-pd-supply-label{display:block;font-family:var(--ptfe-font-head);font-weight:700;font-size:.74rem;text-transform:uppercase;letter-spacing:.9px;color:var(--ptfe-primary);margin-bottom:6px;}
.ptfe-pd-supply-value{display:block;font-size:.92rem;color:var(--ptfe-dark);line-height:1.55;}

/* ---------- 3. Sections & headings ---------- */
.ptfe-pd-section{margin-top:52px;}
.ptfe-pd-section-title{font-size:1.55rem;margin-bottom:20px;position:relative;padding-bottom:12px;}
.ptfe-pd-section-title::after{content:"";position:absolute;left:0;bottom:0;width:72px;height:3px;background:linear-gradient(90deg,var(--ptfe-primary),var(--ptfe-accent));border-radius:2px;}
.ptfe-pd-desc{font-size:1.02rem;line-height:1.9;color:var(--ptfe-text);}
.ptfe-pd-desc h2,.ptfe-pd-desc h3,.ptfe-pd-desc h4{margin-top:1.4em;color:var(--ptfe-dark);}
.ptfe-pd-desc img{max-width:100%;height:auto;border-radius:10px;margin:20px 0;box-shadow:var(--ptfe-shadow);}
.ptfe-pd-desc ul,.ptfe-pd-desc ol{margin-left:1.4em;}

/* ---------- 4. Specification table ---------- */
.ptfe-spec-table-wrap{border-radius:12px;overflow:hidden;box-shadow:var(--ptfe-shadow);border:1px solid var(--ptfe-line);}
.ptfe-spec-table{width:100%;border-collapse:collapse;background:#fff;margin:0;}
.ptfe-spec-table th{background:var(--ptfe-primary);color:#fff;text-align:left;width:30%;font-weight:600;font-size:.9rem;}
.ptfe-spec-table th,.ptfe-spec-table td{border:1px solid var(--ptfe-line);padding:12px 16px;font-size:.92rem;vertical-align:top;}
.ptfe-spec-table td{color:var(--ptfe-text);background:#fff;}
.ptfe-spec-table tbody tr:nth-child(even) td{background:var(--ptfe-bg);}
.ptfe-spec-table tr:hover td{background:var(--ptfe-bg-alt);}

/* ---------- 5. Applications ---------- */
.ptfe-check-list{list-style:none;margin:0 0 24px;}
.ptfe-check-list li{padding-left:30px;position:relative;margin-bottom:12px;font-size:.98rem;color:var(--ptfe-text);}
.ptfe-check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--ptfe-green);font-weight:700;background:var(--ptfe-bg-alt);width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;}
.ptfe-pd-apps{columns:2;column-gap:40px;}

/* ---------- 6. Quote CTA band ---------- */
.ptfe-pd-inquiry-band{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--ptfe-primary-darker),var(--ptfe-primary) 60%,#0d6fd8);border-radius:16px;padding:52px 40px;margin-top:56px;text-align:center;color:#fff;}
.ptfe-pd-inquiry-band::before{content:"";position:absolute;right:-110px;top:-110px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.14),transparent 70%);}
.ptfe-pd-inquiry-band::after{content:"";position:absolute;left:-70px;bottom:-130px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(245,130,31,.22),transparent 70%);}
.ptfe-pd-inquiry-inner{position:relative;z-index:2;}
.ptfe-pd-inquiry-band h2{color:#fff;font-size:1.9rem;margin-bottom:10px;}
.ptfe-pd-inquiry-band p{color:#dbe6f5;font-size:1.02rem;max-width:640px;margin:0 auto 8px;}
.ptfe-pd-inquiry-band .ptfe-inquiry-buttons{justify-content:center;}

/* ---------- 7. Related products ---------- */
.ptfe-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:24px;}

/* ---------- 8. Manufacturer E-E-A-T ---------- */
.ptfe-pd-manufacturer{background:linear-gradient(135deg,var(--ptfe-bg) 0%,#ffffff 70%);border:1px solid var(--ptfe-line);border-radius:16px;padding:40px;margin-top:56px;box-shadow:var(--ptfe-shadow);}
.ptfe-pd-manufacturer-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:38px;align-items:center;}
.ptfe-pd-manufacturer-body h2{font-size:1.5rem;margin:8px 0 14px;}
.ptfe-pd-manufacturer-body p{color:var(--ptfe-muted);font-size:.97rem;line-height:1.8;}
.ptfe-pd-manufacturer-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.ptfe-pd-manufacturer-links a{font-weight:600;font-size:.88rem;color:var(--ptfe-primary);background:#fff;border:1px solid var(--ptfe-line);border-radius:30px;padding:7px 16px;transition:all .2s;}
.ptfe-pd-manufacturer-links a:hover{border-color:var(--ptfe-primary);box-shadow:var(--ptfe-shadow);}
.ptfe-pd-manufacturer .ptfe-inquiry-buttons{margin:0;justify-content:flex-end;}
.ptfe-pd-manufacturer .ptfe-btn{width:100%;}

/* ---------- 9. FAQ ---------- */
.ptfe-faq-grid{max-width:860px;margin:0 auto;padding-top:4px;}
.ptfe-faq-item{background:#fff;border:1px solid var(--ptfe-line);border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:var(--ptfe-shadow);transition:border-color .2s;}
.ptfe-faq-item[open]{border-color:var(--ptfe-primary);}
.ptfe-faq-item summary{cursor:pointer;padding:16px 20px;font-family:var(--ptfe-font-head);font-weight:600;color:var(--ptfe-dark);list-style:none;position:relative;padding-right:44px;font-size:.98rem;}
.ptfe-faq-item summary::-webkit-details-marker{display:none;}
.ptfe-faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--ptfe-primary);transition:transform .2s;}
.ptfe-faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.ptfe-faq-item p{padding:0 20px 18px;color:var(--ptfe-muted);}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .ptfe-pd-hero-inner{grid-template-columns:1fr;gap:28px;padding:24px;}
  .ptfe-pd-title{font-size:1.8rem;}
  .ptfe-pd-manufacturer-inner{grid-template-columns:1fr;gap:28px;}
  .ptfe-pd-manufacturer .ptfe-inquiry-buttons{justify-content:flex-start;}
}
@media (max-width:600px){
  .ptfe-pd-body{padding:2px 14px 44px;}
  .ptfe-pd-hero{margin-top:14px;}
  .ptfe-pd-hero-inner{padding:18px;gap:20px;border-radius:12px;}
  .ptfe-pd-title{font-size:1.5rem;}
  .ptfe-pd-brief{font-size:.98rem;}
  .ptfe-pd-section{margin-top:40px;}
  .ptfe-pd-section-title{font-size:1.3rem;}
  .ptfe-pd-supply{grid-template-columns:1fr;gap:12px;}
  .ptfe-pd-apps{columns:1;}
  .ptfe-pd-inquiry-band{padding:38px 22px;}
  .ptfe-pd-inquiry-band h2{font-size:1.5rem;}
  .ptfe-pd-manufacturer{padding:26px 20px;}
  .ptfe-pd-manufacturer .ptfe-btn{width:auto;}
  .ptfe-spec-table th{width:42%;}
}