:root{
      --theme:#0B3D91;
      --theme-dark:#082b68;
      --ink:#15233b;
      --muted:#68758a;
      --line:#dfe6ef;
      --soft:#f4f7fb;
      --white:#fff;
      --shadow:0 18px 50px rgba(18,45,82,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f7f9fc;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#081a38;color:#cbd8ec;font-size:13px}
    .topbar .container{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;gap:22px}
    .topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--theme);font-weight:800;font-size:20px}
    .logo img{width:36px;height:36px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;justify-content:center;align-items:stretch;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;min-height:78px;padding:0 15px;font-size:15px;font-weight:600;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"";width:7px;height:7px;margin:0 0 4px 8px;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%) translateY(8px);visibility:hidden;opacity:0;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease}
    .dropdown-panel{width:230px;padding:12px;border-radius:12px}
    .dropdown-panel a{display:block;padding:10px 12px;border-radius:8px;font-size:14px}
    .dropdown-panel a:hover{background:var(--soft);color:var(--theme)}
    .mega-menu{width:720px;padding:22px;border-radius:16px}
    .nav-item:hover .dropdown-panel,.nav-item:focus-within .dropdown-panel,.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{visibility:visible;opacity:1;transform:translateX(-50%) translateY(0)}
    .nav-item:hover:after{content:"";position:absolute;left:0;right:0;top:100%;height:12px}
    .mega-heading{display:flex;justify-content:space-between;align-items:baseline;gap:18px;margin-bottom:15px}
    .mega-heading strong{font-size:17px}
    .mega-heading span{color:var(--muted);font-size:13px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mega-card{min-height:116px;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fbfcfe}
    .mega-card:hover{border-color:#9db4d8;background:#f2f6fc}
    .mega-card img{width:34px;height:34px;object-fit:contain;margin-bottom:7px}
    .mega-card strong,.mega-card small{display:block}
    .mega-card strong{font-size:14px;margin-bottom:3px}
    .mega-card small{color:var(--muted);font-size:11px;line-height:1.5}
    .mega-footer{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:16px;padding-top:13px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:600}
    .header-btns{display:flex;align-items:center;gap:13px;white-space:nowrap}
    .member-link{font-size:14px;color:var(--theme);font-weight:600}
    .account-link{padding:9px 16px;border-radius:8px;background:var(--theme);color:#fff;font-size:14px}
    .account-link:hover{background:var(--theme-dark)}
    .hamburger{display:none;width:42px;height:42px;padding:9px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer}
    .hamburger span{display:block;width:22px;height:2px;margin:4px auto;background:var(--ink);transition:.2s}
    .hamburger.active span:first-child{transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:last-child{transform:translateY(-6px) rotate(-45deg)}
    .drawer-overlay{position:fixed;inset:0;z-index:40;background:rgba(4,15,34,.48);opacity:0;visibility:hidden;transition:.25s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;z-index:41;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.28s;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:15px;padding:22px;border-bottom:1px solid var(--line)}
    .drawer-head strong{flex:1;color:var(--theme)}
    .drawer-head a{padding:7px 13px;border-radius:7px;background:var(--theme);color:#fff;font-size:13px}
    .drawer-close{border:0;background:none;font-size:28px;line-height:1;cursor:pointer;color:var(--muted)}
    .drawer-menu{padding:12px 22px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;color:var(--ink);font-weight:600;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px;font-weight:400}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 0 8px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:9px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:80px;background:#081a38;color:#cbd8ec}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding:54px 0 40px}
    .footer-brand strong{display:block;color:#fff;font-size:21px;margin-bottom:12px}
    .footer p{margin:7px 0;color:#9fb1cc;font-size:13px}
    .footer h3{margin:0 0 13px;color:#fff;font-size:15px}
    .footer-grid>div:not(.footer-brand) a,.footer-grid>div:not(.footer-brand) span{display:block;margin:8px 0;color:#9fb1cc;font-size:13px}
    .footer-grid a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#91a4c1}
    .productlist-main{padding:70px 0 0}
    .productlist-hero{text-align:center;max-width:780px;margin:0 auto 42px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:700;letter-spacing:2px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--theme)}
    .productlist-hero h1{margin:14px 0 13px;font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-1px}
    .productlist-hero p{margin:0;color:var(--muted);font-size:16px}
    .category-tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:0 auto 38px}
    .category-tabs a{padding:9px 18px;border:1px solid #cbd7e7;border-radius:99px;background:#fff;color:#53647b;font-size:14px}
    .category-tabs a:hover,.category-tabs a.active{border-color:var(--theme);background:var(--theme);color:#fff}
    .product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .product-card{display:flex;flex-direction:column;min-height:100%;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 24px rgba(20,48,86,.05);transition:.2s}
    .product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .product-cover{height:190px;background:linear-gradient(135deg,#dfeafb,#f7faff);overflow:hidden}
    .product-cover img{width:100%;height:100%;object-fit:cover}
    .product-body{display:flex;flex:1;flex-direction:column;padding:22px}
    .product-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}
    .product-body h2{margin:10px 0 8px;font-size:20px;line-height:1.35}
    .product-body p{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:14px;line-height:1.8;-webkit-box-orient:vertical;-webkit-line-clamp:3}
    .product-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:20px}
    .product-price{color:var(--theme);font-weight:700}
    .product-link{padding:8px 13px;border-radius:7px;background:#edf3fc;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:8px;margin-top:45px}
    .pagination a{min-width:36px;padding:7px 11px;border:1px solid var(--line);border-radius:7px;background:#fff;text-align:center;color:var(--muted);font-size:13px}
    .pagination a.current,.pagination a:hover{border-color:var(--theme);background:var(--theme);color:#fff}
    @media (max-width:960px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .product-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:620px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;flex-direction:column;padding:9px 0;gap:2px}
      .topbar-links{flex-wrap:wrap;gap:4px 14px}
      .header-inner{min-height:68px}
      .logo{font-size:17px}
      .logo img{width:31px;height:31px}
      .member-link{display:none}
      .productlist-main{padding-top:48px}
      .productlist-hero{margin-bottom:30px}
      .productlist-hero h1{font-size:38px}
      .product-grid{grid-template-columns:1fr}
      .product-cover{height:210px}
      .footer-grid{grid-template-columns:1fr;gap:25px;padding-top:38px}
      .footer-bottom{align-items:flex-start;flex-direction:column;gap:6px}
    }