/* ================================================================
   contact.css — Contact页专有样式
   ================================================================ */

/* ============ Contact Banner ============ */
.contact-banner{
  position:relative;
  background:var(--c-navy);
  padding:72px 0 64px;
  overflow:hidden;
}
.contact-banner::before{
  content:"";position:absolute;top:0;right:0;width:0;height:0;
  border-style:solid;border-width:0 200px 200px 0;
  border-color:transparent rgba(196,150,91,.18) transparent transparent;
}
.contact-banner::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-gold),transparent);
}
.contact-banner .wrap{position:relative;z-index:2}
.contact-banner .kicker{
  color:var(--c-gold);font-size:12.5px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.contact-banner .kicker::before{content:"";width:34px;height:2px;background:var(--c-gold)}
.contact-banner h1{
  color:#fff;font-size:44px;font-weight:800;letter-spacing:-.01em;line-height:1.15;
  margin-bottom:16px;
}
.contact-banner h1 em{color:var(--c-gold);font-style:normal}
.contact-banner p{color:#aeb9c6;font-size:16px;max-width:620px;line-height:1.75}

/* ============ 联系信息卡片 ============ */
.contact-info{padding:84px 0}
.contact-info .grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.contact-info .card{
  background:#fff;border:1px solid var(--c-line);padding:36px 28px;
  position:relative;transition:var(--t);
}
.contact-info .card::before{
  content:"";position:absolute;top:0;left:0;width:36px;height:3px;background:var(--c-gold);
  transition:var(--t);
}
.contact-info .card:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(15,26,40,.10);
  border-color:transparent;
}
.contact-info .card:hover::before{width:56px}
.contact-info .card .ic{
  width:52px;height:52px;background:var(--c-navy);color:var(--c-gold);
  display:flex;align-items:center;justify-content:center;font-size:22px;
  margin-bottom:20px;position:relative;
}
.contact-info .card .ic::after{
  content:"";position:absolute;top:0;right:0;width:0;height:0;
  border-style:solid;border-width:0 10px 10px 0;
  border-color:transparent var(--c-gold) transparent transparent;
}
.contact-info .card h3{
  font-size:17px;color:var(--c-navy);margin-bottom:10px;
  font-weight:700;letter-spacing:.02em;
}
.contact-info .card p{color:var(--c-mute);font-size:14px;line-height:1.7}
.contact-info .card a{color:var(--c-mute);transition:var(--t)}
.contact-info .card a:hover{color:var(--c-gold)}
.contact-info .wa-icon{background:#25D366;color:#fff;font-weight:800;font-size:20px}
.contact-info .wa-icon::after{border-color:transparent #25D366 transparent transparent}

/* ============ 联系表单区域 ============ */
.contact-form{padding:32px 0 84px}

/* ============ Inquiry Section Header ============ */
.inq-header{padding:0 0 24px}
.inq-header .label{
  color:var(--c-gold);font-size:12.5px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.inq-header .label::before{content:"";width:34px;height:2px;background:var(--c-gold)}
.inq-header h2{
  font-size:34px;color:var(--c-navy);margin-bottom:0;font-weight:800;letter-spacing:-.01em;
}
.inq-header h2 em{color:var(--c-gold);font-style:normal}
.contact-form .grid{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
}
.contact-form .form-wrap{
  background:#fff;border:1px solid var(--c-line);padding:48px;
  position:relative;
  display:flex;flex-direction:column;
}
.contact-form .form-wrap form{
  flex:1;display:flex;flex-direction:column;
}
.contact-form .form-wrap::before{
  content:"";position:absolute;top:0;left:0;width:48px;height:3px;background:var(--c-gold);
}
.contact-form .form-wrap::after{
  content:"";position:absolute;bottom:0;right:0;width:48px;height:3px;background:var(--c-gold);
}
.contact-form h2{
  font-size:28px;color:var(--c-navy);margin-bottom:32px;font-weight:800;letter-spacing:-.01em;
}
.contact-form .field{margin-bottom:20px}
.contact-form .field label{
  display:block;font-size:13px;font-weight:600;color:var(--c-navy);
  margin-bottom:8px;letter-spacing:.02em;text-transform:uppercase;
}
.contact-form .field label .req{
  color:var(--c-gold);
  margin-left:5px;
  font-size:15px;
  font-weight:800;
  vertical-align:middle;
  line-height:1;
}
.contact-form .field input,
.contact-form .field select,
.contact-form .field textarea{
  width:100%;padding:14px 16px;border:1.5px solid var(--c-line);
  font-size:15px;font-family:inherit;color:var(--c-text);
  background:#fafbfc;transition:var(--t);outline:none;
}
.contact-form .field input:focus,
.contact-form .field select:focus,
.contact-form .field textarea:focus{
  border-color:var(--c-gold);background:#fff;
  box-shadow:0 0 0 3px rgba(196,150,91,.12);
}
.contact-form .field textarea{resize:vertical;min-height:140px}
.contact-form .field.has-error input,
.contact-form .field.has-error select,
.contact-form .field.has-error textarea{
  border-color:#d45454;background:#fff5f5;
}
.contact-form .field.has-error label{color:#d45454}
.contact-form .field .err-msg{
  display:none;color:#d45454;font-size:12.5px;margin-top:6px;
  font-weight:500;
}
.contact-form .field.has-error .err-msg{display:block}
.contact-form .row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form .submit-wrap{margin-top:auto;padding-top:28px}
.contact-form .btn-submit{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--c-gold);color:#0f1a28;border:none;
  padding:16px 40px;font-size:15px;font-weight:700;letter-spacing:.04em;
  cursor:pointer;font-family:inherit;
  clip-path:polygon(0 0,100% 0,96% 100%,0 100%);
  transition:var(--t);
}
.contact-form .btn-submit:hover{background:var(--c-gold-d);color:#fff}
.contact-form .btn-submit .arrow{font-size:18px}

/* 右侧信息面板 */
.contact-form .side-info{
  background:var(--c-navy);padding:48px;color:#fff;position:relative;
  display:flex;flex-direction:column;justify-content:space-between;
}
.contact-form .side-info::before{
  content:"";position:absolute;top:0;right:0;width:0;height:0;
  border-style:solid;border-width:0 80px 80px 0;
  border-color:transparent rgba(196,150,91,.2) transparent transparent;
}
.contact-form .side-info h3{
  font-size:22px;color:#fff;margin-bottom:8px;font-weight:800;
}
.contact-form .side-info .sub{color:#9aa6b5;margin-bottom:32px;font-size:14px}
.contact-form .side-info .info-list{margin-bottom:36px}
.contact-form .side-info .info-list li{
  display:flex;gap:14px;padding:18px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.contact-form .side-info .info-list li:last-child{border-bottom:none}
.contact-form .side-info .info-list .ic{
  width:40px;height:40px;background:rgba(196,150,91,.15);color:var(--c-gold);
  display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;
}
.contact-form .side-info .info-list .txt h4{
  font-size:14px;color:#fff;margin-bottom:4px;font-weight:600;
}
.contact-form .side-info .info-list .txt span{color:#9aa6b5;font-size:13.5px}
.contact-form .side-info .response{
  background:rgba(196,150,91,.1);border:1px solid rgba(196,150,91,.3);
  padding:20px;display:flex;align-items:center;gap:14px;
}
.contact-form .side-info .response .ic{
  width:44px;height:44px;background:var(--c-gold);color:#0f1a28;
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.contact-form .side-info .response .txt{color:#fff;font-size:14px}
.contact-form .side-info .response .txt b{color:var(--c-gold);font-weight:700}

/* ============ 地图区域 ============ */
.contact-map{padding:0 0 84px}
.contact-map .label{
  color:var(--c-gold);font-size:12.5px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.contact-map .label::before{content:"";width:34px;height:2px;background:var(--c-gold)}
.contact-map h2{
  font-size:34px;color:var(--c-navy);margin-bottom:24px;font-weight:800;letter-spacing:-.01em;
}
.contact-map h2 em{color:var(--c-gold);font-style:normal}
.contact-map .map-frame{
  background:#e6ebf0;border:1px solid var(--c-line);
  position:relative;overflow:hidden;min-height:420px;
  display:flex;align-items:center;justify-content:center;
}
.contact-map .map-frame::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(135deg,rgba(27,42,62,.04) 0%,transparent 50%),
    repeating-linear-gradient(0deg,transparent,transparent 29px,#d5dce3 29px,#d5dce3 30px),
    repeating-linear-gradient(90deg,transparent,transparent 29px,#d5dce3 29px,#d5dce3 30px);
}
.contact-map .map-placeholder{
  position:relative;z-index:2;text-align:center;padding:40px;
}
.contact-map .map-placeholder .pin{
  width:64px;height:64px;background:var(--c-gold);color:#0f1a28;
  display:flex;align-items:center;justify-content:center;font-size:28px;
  margin:0 auto 20px;position:relative;
}
.contact-map .map-placeholder .pin::after{
  content:"";position:absolute;top:0;right:0;width:0;height:0;
  border-style:solid;border-width:0 14px 14px 0;
  border-color:transparent var(--c-navy) transparent transparent;
}
.contact-map .map-placeholder h3{
  font-size:20px;color:var(--c-navy);margin-bottom:8px;font-weight:700;
}
.contact-map .map-placeholder p{color:var(--c-mute);font-size:14px;margin-bottom:6px}
.contact-map .map-placeholder a{color:var(--c-gold);font-weight:600;font-size:14px}
.contact-map .map-placeholder a:hover{text-decoration:underline}

/* ============ FAQ 板块 ============ */
.contact-faq{padding:84px 0;background:var(--c-bg)}
.contact-faq .head{text-align:center;margin-bottom:48px}
.contact-faq .head .kicker{
  color:var(--c-gold);font-size:12.5px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;margin-bottom:14px;
}
.contact-faq .head h2{
  font-size:34px;color:var(--c-navy);font-weight:800;letter-spacing:-.01em;
}
.contact-faq .head h2 em{color:var(--c-gold);font-style:normal}
.contact-faq .faq-list{max-width:820px;margin:0 auto}
.contact-faq .faq-item{
  background:#fff;border:1px solid var(--c-line);margin-bottom:12px;
  transition:var(--t);
}
.contact-faq .faq-item.open{border-color:var(--c-gold);box-shadow:0 8px 24px rgba(15,26,40,.08)}
.contact-faq .faq-q{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 28px;cursor:pointer;
}
.contact-faq .faq-q h4{
  font-size:16px;color:var(--c-navy);font-weight:700;
  text-align:left;letter-spacing:.01em;
}
.contact-faq .faq-q .toggle{
  width:32px;height:32px;background:var(--c-bg);color:var(--c-navy);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  flex-shrink:0;transition:var(--t);
}
.contact-faq .faq-item.open .faq-q .toggle{background:var(--c-gold);color:#0f1a28;transform:rotate(45deg)}
.contact-faq .faq-a{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
}
.contact-faq .faq-item.open .faq-a{max-height:300px}
.contact-faq .faq-a p{
  padding:0 28px 22px;color:var(--c-mute);font-size:14.5px;line-height:1.8;
}

/* ============ CTA ============ */
.contact-cta{
  background:var(--c-navy);padding:72px 0;
  position:relative;overflow:hidden;
}
.contact-cta::before{
  content:"";position:absolute;top:0;left:0;width:0;height:0;
  border-style:solid;border-width:180px 0 0 180px;
  border-color:transparent transparent transparent rgba(196,150,91,.15);
}
.contact-cta .wrap{position:relative;z-index:2;text-align:center}
.contact-cta h2{
  color:#fff;font-size:38px;font-weight:800;letter-spacing:-.01em;margin-bottom:14px;
}
.contact-cta h2 em{color:var(--c-gold);font-style:normal}
.contact-cta p{color:#aeb9c6;font-size:16px;margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto;line-height:1.7}
.contact-cta .btn-primary{
  display:inline-block;background:var(--c-gold);color:#0f1a28;
  padding:18px 48px;font-size:15px;font-weight:700;letter-spacing:.04em;
  clip-path:polygon(0 0,100% 0,96% 100%,0 100%);
  transition:var(--t);
}
.contact-cta .btn-primary:hover{background:var(--c-gold-d);color:#fff}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .contact-info .grid{grid-template-columns:repeat(2,1fr)}
  .contact-form .grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .contact-banner{padding:52px 0 44px}
  .contact-banner h1{font-size:30px}
  .contact-banner p{font-size:14px}
  .contact-info{padding:56px 0}
  .contact-info .grid{grid-template-columns:1fr}
  .contact-form{padding:24px 0 56px}
  .contact-form .form-wrap,.contact-form .side-info{padding:32px 24px}
  .contact-form .row-2{grid-template-columns:1fr}
  .contact-form h2{margin-bottom:24px}
  .contact-map{padding:0 0 56px}
  .contact-map h2{font-size:24px}
  .contact-faq{padding:56px 0}
  .contact-faq .head h2{font-size:24px}
  .contact-faq .faq-q{padding:18px 20px}
  .contact-faq .faq-q h4{font-size:15px}
  .contact-faq .faq-a p{padding:0 20px 18px}
  .contact-cta{padding:56px 0}
  .contact-cta h2{font-size:26px}
  .contact-cta .btn-primary{padding:15px 32px;font-size:14px}
}

/* ============ Message Sent Success 页 ============ */
.success-hero{
  position:relative;background:var(--c-navy);padding:80px 0 72px;overflow:hidden;
}
.success-hero::before{
  content:"";position:absolute;top:0;right:0;width:0;height:0;
  border-style:solid;border-width:0 200px 200px 0;
  border-color:transparent rgba(196,150,91,.18) transparent transparent;
}
.success-hero::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-gold),transparent);
}
.success-hero .wrap{position:relative;z-index:2;text-align:center}
.success-hero .check-icon{
  width:96px;height:96px;background:var(--c-gold);color:#0f1a28;
  display:flex;align-items:center;justify-content:center;font-size:48px;font-weight:800;
  margin:0 auto 28px;position:relative;
}
.success-hero .check-icon::after{
  content:"";position:absolute;top:0;right:0;width:0;height:0;
  border-style:solid;border-width:0 16px 16px 0;
  border-color:transparent var(--c-navy) transparent transparent;
}
.success-hero h1{
  color:#fff;font-size:40px;font-weight:800;letter-spacing:-.01em;line-height:1.15;
  margin-bottom:16px;
}
.success-hero h1 em{color:var(--c-gold);font-style:normal}
.success-hero p{color:#aeb9c6;font-size:16px;max-width:560px;margin:0 auto 24px;line-height:1.75}
.success-hero .response-info{
  display:inline-flex;align-items:center;gap:12px;
  background:rgba(196,150,91,.12);border:1px solid rgba(196,150,91,.3);
  padding:14px 28px;color:var(--c-gold);font-size:14.5px;font-weight:600;
}
.success-hero .response-info .ic{font-size:20px}
.success-hero .actions{
  display:flex;justify-content:center;gap:16px;margin-top:32px;flex-wrap:wrap;
}
.success-hero .btn-back{
  display:inline-block;background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.25);
  padding:14px 36px;font-size:14.5px;font-weight:600;letter-spacing:.04em;
  transition:var(--t);
}
.success-hero .btn-back:hover{border-color:var(--c-gold);color:var(--c-gold)}

/* Related Products */
.success-related{padding:84px 0;background:var(--c-bg)}
.success-related .head{text-align:center;margin-bottom:48px}
.success-related .head .kicker{
  color:var(--c-gold);font-size:12.5px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;margin-bottom:14px;
}
.success-related .head h2{
  font-size:34px;color:var(--c-navy);font-weight:800;letter-spacing:-.01em;
}
.success-related .head h2 em{color:var(--c-gold);font-style:normal}
.success-related .grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.success-related .card{
  background:#fff;border:1px solid var(--c-line);transition:var(--t);
  display:flex;flex-direction:column;
}
.success-related .card:hover{
  transform:translateY(-4px);box-shadow:0 16px 40px rgba(15,26,40,.10);
  border-color:transparent;
}
.success-related .card .ph{
  position:relative;overflow:hidden;background:#e6ebf0;
  aspect-ratio:4/3;
}
.success-related .card .ph img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s ease;
}
.success-related .card:hover .ph img{transform:scale(1.05)}
.success-related .card .ph .tag{
  position:absolute;top:12px;left:12px;background:var(--c-navy);color:var(--c-gold);
  font-size:11px;font-weight:700;padding:5px 10px;letter-spacing:.08em;text-transform:uppercase;
}
.success-related .card .info{padding:20px 20px 24px;flex:1;display:flex;flex-direction:column}
.success-related .card .info h3{
  font-size:16px;color:var(--c-navy);font-weight:700;margin-bottom:8px;
  line-height:1.35;
}
.success-related .card .info p{
  color:var(--c-mute);font-size:13px;line-height:1.6;margin-bottom:14px;flex:1;
}
.success-related .card .info .bottom{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--c-line);
}
.success-related .card .info .price{
  color:var(--c-gold);font-size:15px;font-weight:700;
}
.success-related .card .info .view{
  font-size:12.5px;color:var(--c-navy);font-weight:600;letter-spacing:.04em;
  transition:var(--t);
}
.success-related .card .info .view:hover{color:var(--c-gold)}

/* Success page responsive */
@media(max-width:1024px){
  .success-related .grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .success-hero{padding:56px 0 52px}
  .success-hero .check-icon{width:76px;height:76px;font-size:36px;margin-bottom:20px}
  .success-hero h1{font-size:26px}
  .success-hero p{font-size:14px}
  .success-related{padding:56px 0}
  .success-related .grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .success-related .head h2{font-size:24px}
}

/* ============ Message Inquiry 页 — 产品信息面板 ============ */
/* 替换 .side-info 的 "Why Contact Us?"，展示产品主图、标题和关键信息 */
.product-panel{
  background:var(--c-navy);padding:48px;color:#fff;position:relative;
  display:flex;flex-direction:column;
}
.product-panel::before{
  content:"";position:absolute;top:0;right:0;width:0;height:0;
  border-style:solid;border-width:0 80px 80px 0;
  border-color:transparent rgba(196,150,91,.2) transparent transparent;
}
.product-panel .pp-label{
  color:var(--c-gold);font-size:12px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:10px;
}
.product-panel .pp-label::before{content:"";width:24px;height:2px;background:var(--c-gold)}
.product-panel .pp-img{
  width:100%;aspect-ratio:4/3;background:#0a1320;overflow:hidden;
  margin-bottom:20px;position:relative;
}
.product-panel .pp-img img{
  width:100%;height:100%;object-fit:cover;display:block;
}
.product-panel .pp-img::after{
  content:"";position:absolute;top:0;left:0;width:0;height:0;
  border-style:solid;border-width:24px 24px 0 0;
  border-color:var(--c-gold) transparent transparent transparent;
}
.product-panel .pp-cat{
  display:inline-block;background:rgba(196,150,91,.15);color:var(--c-gold);
  font-size:11.5px;font-weight:700;padding:5px 12px;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:12px;
}
.product-panel h3{
  font-size:20px;color:#fff;font-weight:700;line-height:1.35;margin-bottom:14px;
}
.product-panel .pp-specs{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  padding:18px 20px;margin-bottom:20px;
}
.product-panel .pp-specs .row{
  display:flex;justify-content:space-between;gap:12px;
  padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:13.5px;
}
.product-panel .pp-specs .row:last-child{border-bottom:none}
.product-panel .pp-specs .row .k{color:#9aa6b5;flex-shrink:0}
.product-panel .pp-specs .row .v{color:#fff;font-weight:600;text-align:right}
.product-panel .pp-price{
  background:rgba(196,150,91,.1);border:1px solid rgba(196,150,91,.3);
  padding:18px 20px;display:flex;align-items:baseline;justify-content:space-between;gap:12px;
}
.product-panel .pp-price .lbl{color:#9aa6b5;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase}
.product-panel .pp-price .val{color:var(--c-gold);font-size:22px;font-weight:800}
.product-panel .pp-price .unit{color:#9aa6b5;font-size:13px}

/* 表单中固定 Product Category 显示框 */
.contact-form .field.cat-fixed{
  position:relative;
}
.contact-form .field.cat-fixed .cat-display{
  display:flex;align-items:center;justify-content:space-between;
  width:100%;padding:14px 16px;border:1.5px solid var(--c-line);
  background:#fafbfc;font-size:15px;color:var(--c-text);line-height:1.2;
}
.contact-form .field.cat-fixed .cat-display .lock{
  color:var(--c-mute);font-size:13px;display:flex;align-items:center;gap:6px;
}
.contact-form .field.cat-fixed .cat-display .lock::before{
  content:"🔒";font-size:14px;
}
.contact-form .field.cat-fixed input[type="hidden"]{display:none}

/* 响应式 */
@media(max-width:768px){
  .product-panel{padding:32px 24px}
  .product-panel h3{font-size:17px}
  .product-panel .pp-specs,.product-panel .pp-price{padding:14px 16px}
}