:root{
      --theme:#0B3D91;
      --ink:#172033;
      --muted:#667085;
      --line:#e5eaf2;
      --paper:#f6f8fc;
      --white:#fff;
      --shadow:0 14px 40px rgba(20,43,83,.09);
      --radius:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.6}
    body.drawer-locked{overflow:hidden}
    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:#10213d;color:#dce7fb;font-size:13px}
    .topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}
    .topbar-contact{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:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;font-size:18px;color:#15294b}
    .logo img{width:36px;height:36px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:3px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:block;padding:27px 14px;font-size:14px;font-weight:600;color:#334155}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .has-arrow:after{content:"";display:inline-block;width:6px;height:6px;margin:0 0 3px 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%);visibility:hidden;opacity:0;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease}
    .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;pointer-events:auto}
    .dropdown-panel{width:270px;padding:12px;border-radius:0 0 14px 14px}
    .dropdown-panel a{display:block;padding:10px 12px;border-radius:8px;font-size:14px}
    .dropdown-panel a:hover{background:#f1f5fb;color:var(--theme)}
    .dropdown-all,.mega-footer{display:block!important;margin-top:8px;padding:10px 12px!important;border-top:1px solid var(--line);color:var(--theme);font-weight:700}
    .mega-menu{width:720px;padding:20px;border-radius:0 0 18px 18px}
    .mega-menu-video,.mega-menu-products{width:780px}
    .mega-title{margin:0 0 14px;color:#1f3e73;font-size:14px;font-weight:800}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .mega-card{display:flex;gap:10px;padding:10px;border:1px solid #edf0f5;border-radius:10px;background:#fbfcfe}
    .mega-card:hover{border-color:#bfd0ec;background:#f5f8fd}
    .mega-card img{width:42px;height:42px;object-fit:cover;border-radius:8px;background:#eef3fb}
    .mega-card strong{display:block;font-size:13px}
    .mega-card p,.mega-card small{display:block;margin:2px 0 0;color:var(--muted);font-size:11px;line-height:1.4}
    .mega-categories{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
    .mega-categories a{padding:6px 11px;border-radius:20px;background:#f0f4fa;color:#38557f;font-size:12px}
    .mega-categories a:hover{background:#dce8f9;color:var(--theme)}
    .header-btns{display:flex;align-items:center;gap:12px}
    .member-entry{font-size:13px;color:var(--theme);font-weight:700}
    .header-account{padding:8px 15px;border-radius:8px;background:var(--theme);color:#fff;font-size:13px;font-weight:700}
    .hamburger{display:none;width:42px;height:38px;padding:8px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:4px 0;background:#253858;transition:.2s}
    .hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

    .drawer-overlay{position:fixed;inset:0;z-index:40;background:rgba(9,22,45,.48);opacity:0;visibility:hidden;transition:.25s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;z-index:41;width:min(380px,88vw);background:#fff;transform:translateX(100%);transition:.3s;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line)}
    .member-drawer{margin-right:auto;color:var(--theme);font-weight:800}
    .drawer-head a{padding:6px 12px;border-radius:7px;background:var(--theme);color:#fff;font-size:13px}
    .drawer-close{border:0;background:transparent;font-size:27px;line-height:1;color:#64748b;cursor:pointer}
    .drawer-menu{padding:12px 20px 28px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #eef1f5;background:none;text-align:left;color:#263a5d;font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:#8190a8;font-size:20px;font-weight:400}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 0 8px 14px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:#65738b;font-size:14px}

    .productlist-main{padding:58px 0 80px}
    .page-heading{text-align:center;max-width:760px;margin:0 auto 34px}
    .eyebrow{display:inline-flex;padding:5px 12px;border-radius:20px;background:#e8f0fc;color:var(--theme);font-size:12px;font-weight:800;letter-spacing:.08em}
    .page-heading h1{margin:14px 0 10px;font-size:clamp(30px,4vw,48px);line-height:1.2;color:#142b50}
    .page-heading p{margin:0;color:var(--muted);font-size:15px}
    .category-bar{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:0 auto 36px}
    .category-bar a{padding:9px 17px;border:1px solid #dce5f1;border-radius:24px;background:#fff;color:#49617f;font-size:14px;transition:.2s}
    .category-bar a:hover,.category-bar 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-width:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 7px 24px rgba(35,56,93,.05);transition:.25s}
    .product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c5d5ed}
    .product-cover{height:190px;background:#edf3fb;overflow:hidden}
    .product-cover img{width:100%;height:100%;object-fit:cover;transition:.35s}
    .product-card:hover .product-cover img{transform:scale(1.04)}
    .product-body{display:flex;flex:1;flex-direction:column;padding:20px}
    .product-meta{display:flex;justify-content:space-between;gap:10px;color:#8491a6;font-size:12px}
    .product-body h2{margin:9px 0 8px;font-size:20px;line-height:1.35;color:#183763}
    .product-summary{display:-webkit-box;overflow:hidden;margin:0 0 17px;color:#667085;font-size:14px;line-height:1.7;-webkit-box-orient:vertical;-webkit-line-clamp:3}
    .product-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid #edf0f4}
    .product-price{color:#bd7212;font-weight:800;font-size:14px}
    .product-link{color:var(--theme);font-size:14px;font-weight:800}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:42px}
    .pagination a{min-width:38px;padding:7px 12px;border:1px solid #dce5f1;border-radius:8px;background:#fff;text-align:center;color:#53647f;font-size:14px}
    .pagination a:hover,.pagination a.current,.pagination a.active{background:var(--theme);border-color:var(--theme);color:#fff}

    .footer{background:#10213d;color:#c6d2e6}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px;padding:54px 0 42px}
    .footer .logo{color:#fff;margin-bottom:16px}
    .footer .logo img{background:#fff;border-radius:7px}
    .footer p{margin:0;color:#aebdd2;font-size:13px}
    .footer h3{margin:3px 0 16px;color:#fff;font-size:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#b6c5da;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-contact p{margin:8px 0}
    .footer-contact a{color:#d8e6fb}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);color:#8fa2bd;font-size:12px}

    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{justify-content:space-between}
      .header-btns{margin-left:auto}
      .product-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{height:auto;min-height:38px;gap:8px;padding:7px 0;align-items:flex-start}
      .topbar-contact{flex-direction:column;gap:0;text-align:right;font-size:11px}
      .member-entry{display:none}
      .header-account{padding:7px 10px;font-size:12px}
      .productlist-main{padding:40px 0 58px}
      .page-heading{margin-bottom:25px}
      .page-heading h1{font-size:31px}
      .product-grid{grid-template-columns:1fr;gap:16px}
      .product-cover{height:180px}
      .footer-main{grid-template-columns:1fr 1fr;gap:30px;padding:40px 0 30px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:5px}
    }
    @media(max-width:420px){
      .footer-main{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .category-bar{justify-content:flex-start}
      .category-bar a{font-size:13px;padding:8px 13px}
    }