/* ======= 顶部导航栏（内联，与 products.html 统一） ======= */
:root{
  --nav-red:#D8402A;
  --nav-red-deep:#AE2B16;
  --nav-red-soft:#FDEDE6;
  --nav-ink:#241A12;
  --nav-ink-2:#6E5D4E;
  --nav-line:#E9DED2;
}
.top-bar{background:var(--nav-ink);color:#fff;font-size:12px;padding:8px 0;font-family:'Inter',Arial,Helvetica,sans-serif}
.top-bar-inner{max-width:1650px;margin:0 auto;padding:0 70px;display:flex;justify-content:space-between;align-items:center}
.top-bar-left{display:flex;gap:24px;align-items:center}
.top-bar a{color:#fff;text-decoration:none;opacity:.85;transition:opacity .15s;display:inline-flex;align-items:center;gap:6px;line-height:normal}
.top-bar a:hover{opacity:1}
.top-bar-right{display:flex;gap:16px;align-items:center}
.top-bar-right a{opacity:.6}
  .top-bar-right a:hover{opacity:1}
.top-bar svg{width:14px;height:14px}
.main-nav{background:#fff;border-bottom:1px solid var(--nav-line);position:sticky;top:0;z-index:1000;box-shadow:0 1px 4px rgba(168,72,38,.04);font-family:'Inter',Arial,Helvetica,sans-serif}
.main-nav-inner{max-width:1650px;margin:0 auto;padding:0 70px;display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-icon{width:36px;height:36px;flex:none}
.logo-text{line-height:1.1;font-size:16px;font-weight:700;color:var(--nav-ink)}
.logo-text small{display:block;font-size:10px;font-weight:600;color:var(--nav-ink-2);letter-spacing:.05em;text-transform:uppercase;margin-top:2px}
.menu{display:flex;align-items:center;gap:4px;list-style:none}
.menu-item{position:relative}
.menu-link{display:flex;align-items:center;gap:5px;padding:8px 14px;font-size:15px;font-weight:500;color:var(--nav-ink);text-decoration:none;border-radius:8px;transition:color .15s,background .15s;cursor:pointer}
.menu-link:hover,.menu-item:hover>.menu-link{color:var(--nav-red);background:var(--nav-red-soft)}
.menu-link.active{color:var(--nav-red)}
.menu-arrow{width:10px;height:10px;transition:transform .2s}
.menu-item:hover>.menu-link .menu-arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:240px;background:#fff;border:1px solid var(--nav-line);border-radius:12px;box-shadow:0 12px 32px rgba(36,26,18,.1);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s,transform .18s,visibility .18s;list-style:none}
.menu-item:hover>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{display:block;padding:10px 14px;font-size:14px;font-weight:500;color:var(--nav-ink);text-decoration:none;border-radius:8px;transition:background .12s,color .12s;white-space:nowrap}
.dropdown li a:hover{background:var(--nav-red-soft);color:var(--nav-red)}
.dropdown.products{min-width:260px;max-height:480px;overflow-y:auto}
.cta-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:var(--nav-red);color:#fff;font-size:14px;font-weight:700;text-decoration:none;border-radius:100px;transition:background .15s,transform .15s,box-shadow .15s;box-shadow:0 4px 14px rgba(216,64,42,.25)}
.cta-btn:hover{background:var(--nav-red-deep);transform:translateY(-1px);box-shadow:0 6px 20px rgba(216,64,42,.35)}
.cta-btn svg{width:16px;height:16px}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.hamburger span{display:block;width:24px;height:2px;background:var(--nav-ink);border-radius:1px;transition:.2s}
@media (max-width:1024px){
  .menu{gap:0}
  .menu-link{padding:8px 10px;font-size:13px}
  .top-bar-left{gap:14px;font-size:11px}
  .top-bar-inner{padding:0 30px}
  .main-nav-inner{padding:0 30px}
}
@media (max-width:768px){
  .top-bar-inner{flex-direction:column;gap:6px}
  .top-bar-left{flex-wrap:wrap;justify-content:center}
  .menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--nav-line);flex-direction:column;padding:12px 24px 24px;gap:0;box-shadow:0 8px 24px rgba(36,26,18,.08)}
  .menu.open{display:flex}
  .menu-item{width:100%}
  .menu-link{width:100%;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--nav-line);border-radius:0}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:16px;display:none}
  .menu-item.open>.dropdown{display:block}
  .hamburger{display:flex}
  .cta-btn{padding:10px 18px;font-size:12px}
  .main-nav-inner{height:60px}
}

/* ======= Contact 页专用样式 ======= */
.contact-page{background:#fff}
.contact-layout{display:flex;flex-wrap:wrap;gap:40px;margin-top:8px}
.contact-info{width:calc(38% - 20px);box-sizing:border-box}
.contact-form-col{width:calc(62% - 20px);box-sizing:border-box}
.contact-info-card{background:#fff;border:1px solid #e9ecef;border-radius:8px;padding:26px 28px;margin-bottom:20px}
.contact-info-card h3{margin:0 0 16px;font-size:19px;font-weight:600;color:var(--fontcolor)}
.contact-info-row{display:flex;align-items:flex-start;gap:14px;padding:13px 0;border-bottom:1px dashed #eef1f4}
.contact-info-row:last-child{border-bottom:none}
.contact-info-row .ci-ic{width:40px;height:40px;border-radius:10px;background:var(--color-soft);display:flex;align-items:center;justify-content:center;flex:none}
.contact-info-row .ci-ic svg{width:19px;height:19px;stroke:var(--color)}
.contact-info-row .ci-tx{min-width:0}
.contact-info-row .ci-tx b{display:block;font-size:13px;font-weight:500;color:var(--summarycolor);text-transform:uppercase;letter-spacing:.4px;margin-bottom:2px}
.contact-info-row .ci-tx span,.contact-info-row .ci-tx a{font-size:15px;color:var(--fontcolor);line-height:1.55;word-break:break-word}
.contact-info-row .ci-tx a{text-decoration:none;transition:color .15s}
.contact-info-row .ci-tx a:hover{color:var(--color)}
.contact-form-card{background:#fff;border:1px solid #e9ecef;border-radius:8px;padding:30px 32px}
.contact-form-card h3{margin:0 0 8px;font-size:21px;font-weight:600;color:var(--fontcolor)}
.contact-form-card .cf-sub{margin:0 0 22px;font-size:14px;color:var(--summarycolor);line-height:1.7}
.contact-form-card .wmkcfeedback button.send-btn{width:auto;padding:0 38px;border-radius:100px}
.contact-tips{margin-top:44px}
.contact-tips h2{font-size:24px;font-weight:600;color:var(--fontcolor);margin:0 0 6px}
.contact-tips .ct-sub{margin:0 0 24px;font-size:14px;color:var(--summarycolor)}
.tips-grid{display:flex;flex-wrap:wrap;gap:24px}
.tips-card{width:calc(33.333% - 16px);box-sizing:border-box;background:#fff;border:1px solid #e9ecef;border-radius:8px;padding:24px 24px 22px;transition:all .2s}
.tips-card:hover{border-color:var(--color);box-shadow:0 8px 24px rgba(2,152,52,.08);transform:translateY(-2px)}
.tips-card .tc-ic{width:44px;height:44px;border-radius:12px;background:var(--color-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.tips-card .tc-ic svg{width:22px;height:22px;stroke:var(--color)}
.tips-card h3{margin:0 0 8px;font-size:16px;font-weight:600;color:var(--fontcolor)}
.tips-card p{margin:0;font-size:14px;line-height:1.75;color:var(--summarycolor)}
@media (max-width:900px){
  .contact-info{width:100%}
  .contact-form-col{width:100%}
  .tips-card{width:100%}
}
@media (max-width:768px){
  .contact-form-card{padding:22px 20px}
  .contact-info-card{padding:20px}
}

.contact-us .contact-page-title { margin-bottom: 16px; }