/* ============ Base ============ */
:root{--orange:#eb6100;--orange-dark:#c95200;--dark:#1d1d1f;--dark-2:#2a2a2d;--dark-3:#333336;--gray-bg:#f6f6f6;--light:#fff;--text:#222;--text-gray:#666;--border:#e6e6e6;}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Helvetica Neue",Helvetica,Arial,"Microsoft YaHei",sans-serif;color:var(--text);background:#fff;line-height:1.6;overflow-x:hidden;}
a{text-decoration:none;color:inherit;}ul{list-style:none;}img{max-width:100%;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ Header (two-row: logo + language / navbar) ============ */
.site-header{position:sticky;top:0;z-index:1000;background:var(--dark);box-shadow:0 2px 8px rgba(0,0,0,.25);}
.header-top{background:var(--dark);}
.header-top-inner{max-width:1280px;margin:0 auto;padding:24px 24px 20px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.header-top-right{flex:none;display:flex;align-items:center;}
.header-navbar{background:var(--dark-2);border-top:1px solid #3a3a3e;}
.header-navbar-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;min-height:52px;}
.lang-switch{display:flex;align-items:center;gap:12px;}
.lang-switch-title{font-size:11px;color:#aaa;letter-spacing:1.5px;text-transform:uppercase;white-space:nowrap;}
.lang-switch-select{padding:7px 12px;font-size:13px;color:#222;background:#fff;border:1px solid rgba(255,255,255,.25);border-radius:4px;cursor:pointer;outline:none;min-width:130px;transition:border-color .18s ease,box-shadow .18s ease;}
.lang-switch-select:hover,.lang-switch-select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(235,97,0,.15);}
.lang-switch-select option{font-size:13px;color:#333;background:#fff;}
.lang-switch-edit{margin-left:0;display:block;width:100%;}
@media (max-width:768px){.lang-switch-title{display:none;}}
.logo{display:flex;flex-direction:column;line-height:1.1;}
.logo .logo-name{font-size:26px;font-weight:800;color:#fff;letter-spacing:1px;}
.logo .logo-name sup{font-size:11px;font-weight:400;color:#bbb;top:-.8em;}
.logo .logo-sub{font-size:11px;color:#ff9a4d;letter-spacing:1.5px;text-transform:uppercase;}
/* Logo image (headerLogo editable): keeps the same visual height as the old text logo */
.logo .logo-img{display:block;height:44px;width:auto;max-width:280px;object-fit:contain;margin-left:18px;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav>ul>li{position:relative;}
.main-nav>ul>li>a{display:block;padding:14px 18px;color:#e8e8e8;font-size:14px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;border-radius:4px;transition:color .2s,background .2s;}
.main-nav>ul>li>a:hover{color:#fff;background:var(--dark-3);}
.main-nav>ul>li.has-drop>a::after{content:"▾";margin-left:6px;font-size:11px;color:#ff9a4d;}
.dropdown{position:absolute;top:100%;left:0;min-width:560px;background:#fff;border:1px solid var(--border);border-top:3px solid var(--orange);box-shadow:0 12px 30px rgba(0,0,0,.14);border-radius:0 0 6px 6px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .22s ease;padding:18px 6px 14px;z-index:100;}
.main-nav>ul>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown .group{padding:0 16px 10px;}
.dropdown .group-title{font-size:13px;font-weight:800;color:var(--orange);letter-spacing:.5px;padding-bottom:6px;border-bottom:1px solid #f0f0f0;margin-bottom:8px;}
.dropdown .group ul{display:flex;flex-wrap:wrap;gap:2px;}
.dropdown .group ul li{flex:1 1 45%;}
.dropdown .group ul li a{display:block;padding:5px 8px;font-size:13.5px;color:var(--text);border-radius:3px;transition:background .15s,color .15s;}
.dropdown .group ul li a:hover{background:#fff3ea;color:var(--orange);}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px;}
.nav-toggle span{width:24px;height:3px;background:#fff;border-radius:2px;}
.mobile-nav{display:none;background:var(--dark-2);border-top:1px solid #3a3a3e;max-height:0;overflow:hidden;transition:max-height .35s ease;}
.mobile-nav.open{max-height:560px;overflow-y:auto;}
.mobile-nav a{display:block;padding:12px 24px;color:#e8e8e8;font-size:15px;border-bottom:1px solid #333;}
.mobile-nav .m-group{padding:10px 24px;background:var(--dark-3);}
.mobile-nav .m-group-title{font-size:13px;font-weight:700;color:var(--orange);margin-bottom:4px;}
.mobile-nav .m-group a{display:inline-block;padding:6px 10px;font-size:13.5px;color:#ccc;border:none;}

/* ============ Breadcrumb ============ */
.breadcrumb{background:var(--gray-bg);border-bottom:1px solid var(--border);padding:12px 0;}
.breadcrumb .crumb{font-size:13px;color:#888;}
.breadcrumb a{color:var(--orange);}
.breadcrumb a:hover{text-decoration:underline;}
.breadcrumb .sep{margin:0 8px;color:#bbb;}
.breadcrumb .cur{color:#444;font-weight:600;}

/* ============ Product Detail ============ */
.detail{max-width:1280px;margin:0 auto;padding:40px 24px 20px;display:flex;gap:48px;align-items:flex-start;}
.gallery{flex:0 0 46%;}
.gallery .main-img{border:1px solid var(--border);border-radius:8px;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center;cursor:zoom-in;height:480px;}
.gallery .main-img img{width:100%;height:100%;object-fit:contain;}
.thumb-list{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.thumb-list .thumb{width:76px;height:76px;border:2px solid var(--border);border-radius:6px;overflow:hidden;cursor:pointer;background:#fff;transition:border-color .2s;padding:0;}
.thumb-list .thumb img{width:100%;height:100%;object-fit:cover;}
.thumb-list .thumb.active{border-color:var(--orange);}
.thumb-list .thumb:hover{border-color:var(--orange);}

.info{flex:1;min-width:0;}
.info .p-title{font-size:26px;font-weight:800;color:var(--text);line-height:1.35;margin-bottom:18px;}
.info .info-list{list-style:none;}
.info .info-list li{display:flex;align-items:baseline;padding:9px 0;border-bottom:1px dashed #eee;font-size:14.5px;}
.info .info-list li label{width:110px;color:#888;font-weight:600;}
.info .info-list li p{color:var(--text);font-weight:600;}
.info .btn-row{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}
.btn-inquiry{display:inline-block;padding:13px 44px;border-radius:4px;background:var(--orange);color:#fff;font-size:15px;font-weight:800;letter-spacing:1px;transition:background .2s;}
.btn-inquiry:hover{background:var(--orange-dark);}
.btn-wish{display:inline-block;padding:13px 40px;border-radius:4px;background:#fff;border:2px solid var(--orange);color:var(--orange);font-size:15px;font-weight:800;letter-spacing:1px;transition:all .2s;}
.btn-wish:hover{background:#fff3ea;}
.info .share{display:flex;align-items:center;gap:12px;margin-top:26px;font-size:13px;color:#888;}
.info .share .s-icons{display:flex;gap:8px;}
.info .share .s-icons span{width:32px;height:32px;border-radius:50%;background:var(--gray-bg);border:1px solid var(--border);color:#666;display:flex;align-items:center;justify-content:center;font-size:15px;cursor:pointer;transition:all .2s;}
.info .share .s-icons span:hover{background:var(--orange);color:#fff;border-color:var(--orange);}

/* ============ Description ============ */
.desc-wrap{max-width:1280px;margin:0 auto;padding:40px 24px 10px;}
.desc-tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:24px;}
.desc-tabs .tab{padding:12px 26px;font-size:15px;font-weight:700;color:#888;border-bottom:3px solid transparent;margin-bottom:-2px;cursor:pointer;transition:color .2s;}
.desc-tabs .tab.on{color:var(--orange);border-bottom-color:var(--orange);}
.desc-table{width:100%;border-collapse:collapse;background:#fff;}
.desc-table th,.desc-table td{border:1px solid #ddd;padding:12px 16px;font-size:14px;vertical-align:middle;text-align:left;}
.desc-table th{background:var(--gray-bg);font-weight:700;width:200px;}
.desc-table .label{background:#fafafa;font-weight:700;width:200px;}
.desc-table ul{list-style:none;}
.desc-table ul li{padding:2px 0;font-size:14px;}
.desc-table ul li::before{content:"• ";color:var(--orange);font-weight:800;}
.desc-table .icon-row img{max-height:40px;width:auto;margin:0 4px;display:inline-block;}
.desc-table .dtable{width:100%;border-collapse:collapse;margin-top:4px;}
.desc-table .dtable th,.desc-table .dtable td{border:1px solid #ddd;padding:9px 14px;text-align:center;font-size:14px;background:#fff;}
.desc-table .dtable th{background:#fafafa;}
.keyword{max-width:1280px;margin:0 auto;padding:26px 24px 0;}
.keyword .k-label{font-size:13px;color:#999;margin-bottom:8px;}
.keyword .k-list{display:flex;gap:8px;flex-wrap:wrap;}
.keyword .k-list a{display:inline-block;padding:6px 14px;border:1px solid var(--border);border-radius:16px;font-size:13px;color:#777;transition:all .2s;}
.keyword .k-list a:hover{border-color:var(--orange);color:var(--orange);}

/* ============ Related 产品中心 ============ */
.related{max-width:1280px;margin:0 auto;padding:50px 24px 70px;}
.related h2{font-size:24px;font-weight:800;color:var(--text);border-left:4px solid var(--orange);padding-left:14px;margin-bottom:28px;}
.related-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.rel-card{background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:box-shadow .25s,transform .25s;text-align:center;}
.rel-card:hover{box-shadow:0 10px 24px rgba(0,0,0,.12);transform:translateY(-4px);}
.rel-card .r-img{background:var(--gray-bg);overflow:hidden;}
.rel-card .r-img img{width:100%;height:auto;transition:transform .4s;}
.rel-card:hover .r-img img{transform:scale(1.05);}
.rel-card .r-name{font-size:13.5px;font-weight:700;color:var(--text);padding:12px 10px 14px;line-height:1.5;}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:#c9c9cd;padding:56px 0 0;}
.footer-top{max-width:1080px;margin:0 auto;padding:0 24px;text-align:center;}
.footer-logo{max-width:340px;margin:0 auto 34px;}
.footer-logo img{width:100%;height:auto;}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 28px;max-width:860px;margin:0 auto;text-align:left;}
.contact-card{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border:1px solid #3c3c40;border-radius:8px;background:#242427;}
.contact-card .c-icon{width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;}
.contact-card .c-label{font-size:12px;color:#8f8f95;text-transform:uppercase;letter-spacing:1px;}
.contact-card .c-value{font-size:15px;color:#f2f2f4;font-weight:600;margin-top:2px;}
.footer-bottom{margin-top:48px;border-top:1px solid #35353a;background:#161618;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;}
.footer-bottom .keep{font-size:14px;letter-spacing:2px;color:#e8e8e8;font-weight:700;}
.btn-join{display:inline-block;padding:10px 34px;border-radius:4px;background:var(--orange);color:#fff;font-size:14px;font-weight:800;letter-spacing:2px;transition:background .2s;}
.btn-join:hover{background:var(--orange-dark);}
.footer-copy{max-width:1080px;margin:0 auto;padding:18px 24px 26px;font-size:12px;color:#7c7c82;text-align:center;}

/* Floating */
.float-join{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:900;writing-mode:vertical-rl;background:var(--orange);color:#fff;padding:16px 8px;font-size:14px;font-weight:800;letter-spacing:3px;cursor:pointer;border-radius:8px 0 0 8px;box-shadow:-4px 0 14px rgba(0,0,0,.2);}
.float-badge{position:fixed;right:22px;bottom:96px;z-index:900;width:64px;height:64px;border-radius:50%;background:var(--dark);border:3px solid var(--orange);color:var(--orange);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-size:9px;font-weight:800;line-height:1.2;letter-spacing:.5px;cursor:pointer;box-shadow:0 8px 22px rgba(0,0,0,.35);}
.float-chat{position:fixed;right:26px;bottom:26px;z-index:900;width:56px;height:56px;border-radius:50%;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 22px rgba(235,97,0,.45);font-size:24px;}
.float-chat .dot{position:absolute;top:-2px;right:-2px;width:18px;height:18px;border-radius:50%;background:#e53935;color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:800;}

/* Responsive */
@media (max-width:1024px){.main-nav{display:none;}.nav-toggle{display:flex;}.mobile-nav{display:block;}.detail{flex-direction:column;gap:24px;padding:28px 16px 20px;}.gallery{flex:none;width:100%;}.related-grid{grid-template-columns:repeat(3,1fr);gap:12px;}.contact-grid{grid-template-columns:1fr;}.desc-wrap{padding:28px 16px 10px;}.keyword{padding:20px 16px 0;}.related{padding:36px 16px 56px;}}
@media (max-width:640px){
  /* page paddings */
  .detail{padding:18px 12px 10px;gap:18px;}
  .desc-wrap{padding:20px 12px 10px;}
  .keyword{padding:16px 12px 0;}
  .related{padding:28px 12px 46px;}
  .breadcrumb{padding:10px 0;}
  .breadcrumb .crumb{font-size:12.5px;}
  .breadcrumb .sep{margin:0 5px;}
  /* gallery */
  .gallery .main-img{height:300px;cursor:default;}
  .thumb-list{gap:8px;margin-top:10px;}
  .thumb-list .thumb{width:60px;height:60px;}
  /* info column */
  .info .p-title{font-size:20px;margin-bottom:12px;}
  .info .info-list li{font-size:13.5px;}
  .info .info-list li label{flex:0 0 96px;width:96px;}
  .info .btn-row{gap:10px;margin-top:20px;}
  .btn-row .btn-inquiry,.btn-row .btn-wish{flex:1 1 auto;text-align:center;padding-left:12px;padding-right:12px;}
  .info .share{flex-wrap:wrap;gap:8px;margin-top:18px;}
  /* description tabs: horizontal scroll instead of wrapping/overflow */
  .desc-tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:16px;}
  .desc-tabs .tab{flex:0 0 auto;white-space:nowrap;padding:10px 16px;font-size:14px;}
  /* spec tables wider than the screen become horizontally scrollable */
  .desc-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .desc-table th,.desc-table .label{width:110px;}
  .desc-table th,.desc-table td{padding:10px 12px;font-size:13.5px;}
  /* related products */
  .related h2{font-size:20px;margin-bottom:18px;}
  .related-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  /* header (embedded in this file) */
  .header-top-inner{padding:14px 12px 10px;}
  .header-navbar-inner{padding:0 12px;min-height:46px;}
  .logo .logo-name{font-size:22px;}
  .logo .logo-img{height:36px;max-width:200px;margin-left:0;}
  .lang-switch-select{min-width:104px;padding:6px 10px;}
  .mobile-nav a{padding:11px 16px;}
  .mobile-nav .m-group{padding:10px 16px;}
  /* footer (embedded in this file) */
  .site-footer{padding:40px 0 0;}
  .footer-top{padding:0 14px;}
  .footer-logo{max-width:260px;margin-bottom:24px;}
  .footer-bottom{padding:16px 14px;justify-content:center;text-align:center;}
  .footer-copy{padding:14px 14px 22px;}
  /* floating widgets: keep clear of the right edge on small screens */
  .float-badge{right:14px;bottom:88px;width:56px;height:56px;}
  .float-chat{right:16px;bottom:22px;width:50px;height:50px;font-size:21px;}
}

/* Bootstrap Icons in footer contact cards */
.contact-card .c-icon .bi{font-size:19px;line-height:1;}.contact-card .c-icon-edit{flex:0 0 auto;min-width:220px;padding:2px 0;}