:root{
  --theme:#0B3D91;
  --ink:#172033;
  --muted:#667085;
  --line:#e7ebf2;
  --soft:#f5f7fb;
  --white:#fff;
  --shadow:0 16px 44px rgba(20,42,86,.10);
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#f7f9fc;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.topbar{background:#101a2d;color:#d9e2f2;font-size:13px}
.topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar a{color:#fff;margin-left:18px}
.header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{height:78px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:10px;min-width:190px;font-weight:800;font-size:18px;color:var(--theme)}
.logo img{width:34px;height:34px;object-fit:contain}
.main-nav{flex:1}
.nav-list{display:flex;align-items:center;justify-content:center;gap:4px;list-style:none;padding:0;margin:0}
.nav-item{position:relative}
.nav-link{display:block;padding:25px 13px;font-size:14px;color:#344054;white-space:nowrap}
.nav-link:hover,.nav-link:focus{color:var(--theme)}
.has-arrow:after{content:"";display:inline-block;width:6px;height:6px;margin:0 0 3px 7px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg)}
.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:310px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
.mega-menu{width:560px}
.nav-item:after{content:"";position:absolute;top:100%;left:0;right:0;height:14px}
.nav-item:hover .dropdown-panel,.nav-item:focus-within .dropdown-panel,
.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto}
.panel-title{margin:0 0 13px;color:var(--theme);font-weight:800;font-size:15px}
.panel-list{display:grid;gap:5px}
.panel-list a{display:block;padding:7px 8px;border-radius:8px;font-size:13px}
.panel-list a:hover{background:var(--soft);color:var(--theme)}
.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.mega-card{display:block;min-height:78px;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fbfcfe}
.mega-card:hover{border-color:#a9bee9;background:#f4f7fd}
.mega-card img{width:25px;height:25px;object-fit:contain;margin-bottom:5px}
.mega-card strong{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-card small{display:block;color:var(--muted);font-size:11px;line-height:1.45;margin-top:3px}
.mega-footer{display:block;margin-top:15px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--theme);font-weight:700}
.header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
.member,.open-account{font-size:13px;border-radius:8px;padding:8px 12px}
.member{color:var(--theme);border:1px solid #c9d7f2}
.open-account{color:#fff;background:var(--theme)}
.hamburger{display:none;border:0;background:none;padding:7px;cursor:pointer}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
.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{display:none;position:fixed;inset:0;background:rgba(4,13,29,.55);z-index:40}
.drawer-overlay.open{display:block}
.mobile-drawer{position:fixed;z-index:41;top:0;right:0;width:min(380px,88vw);height:100vh;overflow:auto;background:#fff;transform:translateX(100%);transition:.28s;padding-bottom:30px}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{height:70px;display:flex;align-items:center;gap:16px;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-head a:first-child{color:var(--theme);font-weight:800;margin-right:auto}
.drawer-head a:nth-child(2){font-size:13px;color:#fff;background:var(--theme);padding:6px 10px;border-radius:6px}
.drawer-close{border:0;background:none;font-size:30px;color:#475467;cursor:pointer}
.drawer-menu{padding:12px 20px}
.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;font:inherit;color:var(--ink);cursor:pointer}
.drawer-toggle:after{content:"+";float:right;color:var(--muted);font-size:20px;line-height:1}
.drawer-toggle.active:after{content:"−"}
.drawer-submenu{display:none;padding:5px 0 8px 14px;border-bottom:1px solid var(--line)}
.drawer-submenu.open{display:block}
.drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:13px}
.footer{margin-top:70px;background:#101a2d;color:#c6d0df}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:42px;padding:54px 0 38px}
.footer-brand{font-size:13px}
.footer-brand img{width:40px;height:40px;object-fit:contain;margin-bottom:10px}
.footer-brand strong{display:block;color:#fff;font-size:18px}
.footer h3{margin:0 0 14px;color:#fff;font-size:15px}
.footer-grid>div:not(.footer-brand) a{display:block;margin:6px 0;font-size:13px;color:#c6d0df}
.footer-grid a:hover{color:#fff}
.footer p{font-size:13px;color:#aab6c8}
.footer-bottom{padding:18px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#9aa8bb}
.productlist-main{padding:64px 0 0}
.page-intro{text-align:center;max-width:760px;margin:0 auto 35px}
.eyebrow{display:inline-block;margin-bottom:10px;padding:4px 12px;border-radius:20px;background:#e8eefb;color:var(--theme);font-size:12px;font-weight:700}
.page-intro h1{margin:0 0 12px;font-size:clamp(30px,5vw,48px);line-height:1.2;letter-spacing:-.04em}
.page-intro p{margin:0;color:var(--muted);font-size:15px}
.category-strip{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:0 auto 34px}
.category-strip a{padding:9px 18px;border:1px solid var(--line);border-radius:30px;background:#fff;color:#475467;font-size:13px}
.category-strip a:hover,.category-strip a.active{background:var(--theme);border-color:var(--theme);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 24px rgba(19,43,81,.05);transition:.2s}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b9c9e7}
.product-cover{height:190px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef3fd,#dce8fc);overflow:hidden}
.product-cover img{width:100%;height:100%;object-fit:cover}
.product-cover img[src=""]{display:none}
.product-body{display:flex;flex-direction:column;flex:1;padding:20px}
.product-meta{display:flex;justify-content:space-between;gap:10px;color:#8390a5;font-size:12px;margin-bottom:8px}
.product-body h2{margin:0 0 8px;font-size:19px;line-height:1.4}
.product-summary{display:block;min-height:52px;margin:0 0 16px;color:var(--muted);font-size:13px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.product-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.product-price{color:#c17a12;font-weight:800;font-size:14px}
.product-link{padding:7px 12px;border-radius:7px;background:#edf2fc;color:var(--theme);font-size:13px;font-weight:700}
.product-link:hover{background:var(--theme);color:#fff}
.pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:7px;margin-top:42px}
.pagination a{min-width:36px;padding:7px 11px;border:1px solid var(--line);border-radius:7px;background:#fff;text-align:center;color:#526074;font-size:13px}
.pagination a.active,.pagination a:hover{background:var(--theme);color:#fff;border-color:var(--theme)}
@media(max-width:1050px){
  .nav-list{gap:0}
  .nav-link{padding-left:8px;padding-right:8px}
  .logo{min-width:150px}
  .header-inner{gap:12px}
}
@media(max-width:820px){
  .topbar .container{height:auto;min-height:38px;padding-top:6px;padding-bottom:6px;align-items:flex-start;flex-direction:column;gap:0}
  .topbar a{margin-left:0;margin-right:14px}
  .main-nav{display:none}
  .hamburger{display:block}
  .member{display:none}
  .header-inner{height:68px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .product-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .container{width:min(100% - 28px,1180px)}
  .productlist-main{padding-top:42px}
  .page-intro h1{font-size:32px}
  .product-grid{grid-template-columns:1fr}
  .product-cover{height:210px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer{margin-top:48px}
}