:root{
  --theme:#0B3D91;
  --template-theme:{主题色};
  --theme-dark:#072b67;
  --theme-soft:#edf3fc;
  --ink:#121826;
  --muted:#667085;
  --line:#dfe5ee;
  --paper:#ffffff;
  --canvas:#f5f7fb;
  --accent:#d92d20;
  --radius:18px;
  --shadow:0 18px 50px rgba(11,61,145,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--canvas);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body,button,input,select,textarea{font:inherit}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}

.topbar{
  color:#dce8ff;
  background:#061d46;
  font-size:13px;
}
.topbar .container{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.topbar .contact{display:flex;align-items:center;gap:20px}
.topbar a{transition:color .2s ease}
.topbar a:hover{color:#fff}

.header{
  position:relative;
  z-index:50;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(16,24,40,.04);
}
.header-inner{
  min-height:76px;
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  min-width:180px;
  display:flex;
  align-items:center;
  gap:11px;
  color:var(--theme);
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
}
.logo img{
  width:42px;
  height:42px;
  object-fit:contain;
  border-radius:10px;
}
.main-nav{margin-left:auto;align-self:stretch}
.nav-list{
  height:100%;
  display:flex;
  align-items:stretch;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-item{position:relative;display:flex;align-items:center}
.nav-link{
  height:100%;
  display:flex;
  align-items:center;
  padding:0 13px;
  color:#344054;
  font-size:15px;
  font-weight:650;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover,.nav-item:focus-within>.nav-link{
  color:var(--theme);
  background:var(--theme-soft);
}
.has-arrow::after{
  content:"";
  width:6px;
  height:6px;
  margin:-3px 0 0 8px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg);
}
.dropdown-panel,.mega-menu{
  position:absolute;
  top:100%;
  right:0;
  z-index:60;
  visibility:hidden;
  opacity:0;
  transform:translateY(8px);
  pointer-events:none;
  background:#fff;
  border:1px solid var(--line);
  border-radius:0 0 18px 18px;
  box-shadow:0 24px 60px rgba(16,24,40,.16);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.dropdown-panel::before,.mega-menu::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:-10px;
  height:10px;
}
.nav-item:hover>.dropdown-panel,
.nav-item:hover>.mega-menu,
.nav-item:focus-within>.dropdown-panel,
.nav-item:focus-within>.mega-menu{
  visibility:visible;
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}
.dropdown-panel{
  width:340px;
  padding:12px;
}
.dropdown-panel>a:not(.mega-footer){
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:11px 12px;
  border-radius:10px;
}
.dropdown-panel>a:not(.mega-footer):hover{background:var(--theme-soft)}
.dropdown-panel strong{
  overflow:hidden;
  color:#1d2939;
  font-size:14px;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.dropdown-panel small,.mega-card small{
  color:var(--muted);
  font-size:12px;
  line-height:1.55;
}
.mega-menu{
  width:min(720px,calc(100vw - 40px));
  padding:18px;
}
.nav-item:nth-last-child(-n+3) .mega-menu{right:0}
.mega-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
}
.mega-grid+.mega-grid{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.mega-grid>a:not(.mega-card){
  padding:9px 10px;
  color:#344054;
  border-radius:9px;
  font-size:13px;
  font-weight:650;
}
.mega-grid>a:not(.mega-card):hover{color:var(--theme);background:var(--theme-soft)}
.mega-card{
  min-width:0;
  display:grid;
  grid-template-columns:auto 1fr;
  align-content:start;
  gap:3px 9px;
  padding:12px;
  border:1px solid #e9edf4;
  border-radius:12px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.mega-card:hover{
  transform:translateY(-2px);
  border-color:#a9bfe5;
  box-shadow:0 10px 25px rgba(11,61,145,.09);
}
.mega-card img{
  grid-row:1/3;
  width:34px;
  height:34px;
  object-fit:contain;
  border-radius:8px;
}
.mega-card strong{
  min-width:0;
  overflow:hidden;
  color:#1d2939;
  font-size:13px;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.mega-card small{
  grid-column:1/-1;
  display:-webkit-box;
  overflow:hidden;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
}
.mega-card img+strong,.mega-card img+strong+small{grid-column:2}
.mega-footer{
  display:block;
  margin-top:14px;
  padding:11px 13px;
  color:#fff;
  background:var(--theme);
  border-radius:10px;
  text-align:center;
  font-size:13px;
  font-weight:750;
}
.mega-footer:hover{background:var(--theme-dark)}
.header-btns{
  display:flex;
  align-items:center;
  gap:9px;
}
.member-btn,.account-btn{
  padding:9px 14px;
  border-radius:9px;
  font-size:14px;
  font-weight:750;
  white-space:nowrap;
}
.member-btn{color:var(--theme);border:1px solid #b7c7e4;background:#fff}
.account-btn{color:#fff;background:var(--theme);border:1px solid var(--theme)}
.member-btn:hover{background:var(--theme-soft)}
.account-btn:hover{background:var(--theme-dark)}
.hamburger{
  width:42px;
  height:42px;
  display:none;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  padding:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
}
.hamburger span{
  width:20px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer-overlay{
  position:fixed;
  inset:0;
  z-index:90;
  visibility:hidden;
  opacity:0;
  background:rgba(5,15,35,.55);
  backdrop-filter:blur(3px);
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer-overlay.open{visibility:visible;opacity:1}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  z-index:100;
  width:min(390px,90vw);
  overflow-y:auto;
  background:#fff;
  box-shadow:-20px 0 60px rgba(0,0,0,.18);
  transform:translateX(105%);
  transition:transform .28s ease;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{
  min-height:72px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 18px;
  color:#fff;
  background:var(--theme);
}
.drawer-head strong{margin-right:auto}
.drawer-head>a{
  padding:7px 12px;
  border:1px solid rgba(255,255,255,.45);
  border-radius:8px;
  font-size:14px;
}
.drawer-close{
  width:38px;
  height:38px;
  padding:0;
  color:#fff;
  background:transparent;
  border:0;
  font-size:30px;
  line-height:1;
  cursor:pointer;
}
.drawer-menu{padding:12px 18px 28px}
.drawer-link,.drawer-toggle{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 4px;
  color:#1d2939;
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  text-align:left;
  font-weight:750;
  cursor:pointer;
}
.drawer-toggle::after{
  content:"+";
  color:var(--theme);
  font-size:20px;
  font-weight:400;
}
.drawer-toggle.active::after{content:"−"}
.drawer-submenu{
  display:none;
  padding:7px 0 10px 14px;
  border-bottom:1px solid var(--line);
}
.drawer-submenu.open{display:block}
.drawer-submenu a{
  display:block;
  padding:9px 8px;
  color:var(--muted);
  border-radius:7px;
  font-size:14px;
}
.drawer-submenu a:hover{color:var(--theme);background:var(--theme-soft)}

.productlist-main{min-height:650px}
.productlist-main .product-intro{
  position:relative;
  overflow:hidden;
  padding:72px 0 64px;
  color:#fff;
  background:
    radial-gradient(circle at 88% 18%,rgba(255,255,255,.17) 0 3px,transparent 4px),
    radial-gradient(circle at 76% 70%,rgba(255,255,255,.12) 0 90px,transparent 91px),
    linear-gradient(125deg,#061d46 0%,#0B3D91 58%,#1b5fb7 100%);
}
.productlist-main .product-intro::before{
  content:"";
  position:absolute;
  width:340px;
  height:340px;
  right:-120px;
  top:-170px;
  border:1px solid rgba(255,255,255,.2);
  border-radius:50%;
}
.productlist-main .product-intro::after{
  content:"";
  position:absolute;
  left:6%;
  bottom:-120px;
  width:260px;
  height:260px;
  border:55px solid rgba(255,255,255,.045);
  border-radius:50%;
}
.productlist-main .intro-inner{position:relative;z-index:1}
.productlist-main .breadcrumb{
  display:flex;
  align-items:center;
  gap:9px;
  margin-bottom:20px;
  color:#cddcff;
  font-size:14px;
}
.productlist-main .breadcrumb span{opacity:.65}
.productlist-main .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:12px;
  color:#dce8ff;
  font-size:13px;
  font-weight:800;
  letter-spacing:.16em;
}
.productlist-main .eyebrow::before{
  content:"";
  width:26px;
  height:3px;
  background:#fff;
  border-radius:3px;
}
.productlist-main h1{
  max-width:850px;
  margin:0;
  font-size:clamp(36px,6vw,68px);
  line-height:1.08;
  letter-spacing:-.035em;
}
.productlist-main .intro-copy{
  max-width:720px;
  margin:20px 0 0;
  color:#dce8ff;
  font-size:17px;
}
.productlist-main .catalog-shell{padding:54px 0 78px}
.productlist-main .category-panel{
  margin-bottom:34px;
  padding:24px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 10px 35px rgba(16,24,40,.05);
}
.productlist-main .category-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:18px;
}
.productlist-main .category-head h2,
.productlist-main .section-heading h2{
  margin:0;
  color:#172033;
  font-size:25px;
  line-height:1.25;
}
.productlist-main .category-head p,
.productlist-main .section-heading p{
  margin:5px 0 0;
  color:var(--muted);
  font-size:14px;
}
.productlist-main .category-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.productlist-main .category-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 15px;
  color:#27364f;
  background:#f8fafc;
  border:1px solid #dfe6f0;
  border-radius:999px;
  font-size:14px;
  font-weight:750;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.productlist-main .category-chip::after{content:"→";color:var(--theme)}
.productlist-main .category-chip:hover{
  color:var(--theme);
  background:var(--theme-soft);
  border-color:#a9bfe5;
  transform:translateY(-1px);
}
.productlist-main .section-heading{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:22px;
}
.productlist-main .section-count{
  padding:7px 11px;
  color:var(--theme);
  background:var(--theme-soft);
  border-radius:999px;
  font-size:13px;
  font-weight:800;
}
.productlist-main .product-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.productlist-main .product-card{
  min-width:0;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 12px 34px rgba(16,24,40,.055);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.productlist-main .product-card:hover{
  transform:translateY(-5px);
  border-color:#b7c9e9;
  box-shadow:var(--shadow);
}
.productlist-main .product-image{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,#eaf1fb,#f9fbff);
}
.productlist-main .product-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.productlist-main .product-card:hover .product-image img{transform:scale(1.035)}
.productlist-main .product-badge{
  position:absolute;
  top:14px;
  left:14px;
  padding:6px 10px;
  color:#fff;
  background:rgba(6,29,70,.88);
  border:1px solid rgba(255,255,255,.2);
  border-radius:999px;
  backdrop-filter:blur(8px);
  font-size:12px;
  font-weight:800;
}
.productlist-main .product-body{
  min-width:0;
  flex:1;
  display:flex;
  flex-direction:column;
  padding:21px;
}
.productlist-main .product-title{
  margin:0 0 10px;
  color:#182230;
  font-size:19px;
  line-height:1.4;
}
.productlist-main .product-title a:hover{color:var(--theme)}
.productlist-main .product-summary{
  display:-webkit-box;
  min-height:72px;
  margin:0 0 18px;
  overflow:hidden;
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:3;
}
.productlist-main .product-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  margin-top:auto;
  padding-top:15px;
  color:#7a8699;
  border-top:1px solid #edf0f5;
  font-size:12px;
}
.productlist-main .product-price{color:var(--accent);font-weight:800}
.productlist-main .product-action{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:17px;
}
.productlist-main .product-action>a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--theme);
  font-size:14px;
  font-weight:800;
}
.productlist-main .product-action>a::after{
  content:"→";
  transition:transform .2s ease;
}
.productlist-main .product-action>a:hover::after{transform:translateX(4px)}
.productlist-main .pagination{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:8px;
  margin-top:42px;
}
.productlist-main .pagination a{
  min-width:42px;
  height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 13px;
  color:#344054;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  font-size:14px;
  font-weight:750;
}
.productlist-main .pagination a:hover,
.productlist-main .pagination a.active,
.productlist-main .pagination a.current{
  color:#fff;
  background:var(--theme);
  border-color:var(--theme);
}
.productlist-main .catalog-note{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:42px;
}
.productlist-main .note-card{
  padding:20px;
  background:#eef3fb;
  border:1px solid #d7e1f1;
  border-radius:14px;
}
.productlist-main .note-card strong{
  display:block;
  margin-bottom:5px;
  color:var(--theme);
}
.productlist-main .note-card p{margin:0;color:#5f6d82;font-size:13px}

.footer{
  color:#c9d5e8;
  background:#071a3b;
  border-top:4px solid var(--theme);
}
.footer>.container{padding-top:54px}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr 1fr;
  gap:42px;
  padding-bottom:42px;
}
.footer-brand{
  margin-bottom:12px;
  color:#fff;
  font-size:22px;
  font-weight:850;
}
.footer h3{
  margin:0 0 15px;
  color:#fff;
  font-size:15px;
}
.footer p{margin:8px 0;color:#aebdd4;font-size:14px}
.footer-grid>div>a{
  display:block;
  width:max-content;
  max-width:100%;
  margin:8px 0;
  color:#b9c7db;
  font-size:14px;
}
.footer-grid>div>a:hover{color:#fff}
.footer-bottom{
  padding:20px 0 24px;
  color:#97a8c1;
  border-top:1px solid rgba(255,255,255,.11);
  font-size:13px;
  text-align:center;
}

@media (max-width:1080px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .header-inner{min-height:70px}
  .logo{margin-right:auto}
  .productlist-main .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .container{width:min(100% - 28px,1180px)}
  .topbar .container{
    min-height:42px;
    align-items:flex-start;
    flex-direction:column;
    justify-content:center;
    gap:0;
    padding:6px 0;
  }
  .topbar .contact{flex-wrap:wrap;gap:2px 14px}
  .logo{min-width:0}
  .logo span{
    max-width:150px;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
  .member-btn{display:none}
  .account-btn{padding:8px 11px}
  .productlist-main .product-intro{padding:52px 0 48px}
  .productlist-main h1{font-size:40px}
  .productlist-main .intro-copy{font-size:15px}
  .productlist-main .catalog-shell{padding:36px 0 56px}
  .productlist-main .category-panel{padding:18px}
  .productlist-main .category-head,
  .productlist-main .section-heading{align-items:flex-start;flex-direction:column;gap:10px}
  .productlist-main .product-grid{grid-template-columns:1fr}
  .productlist-main .product-summary{min-height:auto}
  .productlist-main .catalog-note{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:480px){
  .header-btns{gap:6px}
  .account-btn{display:none}
  .productlist-main h1{font-size:34px}
  .productlist-main .category-chip{width:100%;justify-content:space-between}
  .footer-grid{grid-template-columns:1fr}
}