:root{
      --primary:#0B3D91;
      --template-theme:{主题色};
      --primary-dark:#06285f;
      --primary-soft:#eaf2ff;
      --ink:#071a33;
      --muted:#607087;
      --line:#dce5f0;
      --surface:#ffffff;
      --page:#f4f8fc;
      --ice:#dceeff;
      --silver:#eef3f8;
      --success:#17835c;
      --shadow:0 18px 48px rgba(7,26,51,.10);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--page);
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.65;
      overflow-x:hidden;
    }
    body,button,input,select{font:inherit}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button{color:inherit}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dbe9ff;
      background:#061b39;
      border-bottom:1px solid rgba(255,255,255,.08);
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-contact{display:flex;align-items:center;gap:22px}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 30px rgba(7,26,51,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      min-width:170px;
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      color:var(--primary-dark);
      letter-spacing:.02em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{margin-left:auto;height:78px}
    .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;
      gap:7px;
      padding:0 12px;
      color:#243a55;
      font-size:15px;
      font-weight:650;
      white-space:nowrap;
      transition:.2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{
      color:var(--primary);
      background:var(--primary-soft);
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translate(-50%,10px);
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:0 24px 55px rgba(7,26,51,.16);
      transition:opacity .2s ease,transform .2s ease,visibility .2s;
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-8px;
      height:8px;
    }
    .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;
      pointer-events:auto;
      transform:translate(-50%,0);
    }
    .dropdown-panel{
      width:330px;
      padding:22px 22px 0;
    }
    .mega-menu{
      width:min(760px,calc(100vw - 40px));
      padding:24px 24px 0;
    }
    .nav-item:nth-last-child(-n+3) .mega-menu{left:auto;right:-90px;transform:translateY(10px)}
    .nav-item:nth-last-child(-n+3):hover>.mega-menu,
    .nav-item:nth-last-child(-n+3):focus-within>.mega-menu{transform:translateY(0)}
    .mega-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:26px;
    }
    .mega-column{min-width:0}
    .panel-title{
      margin:0 0 13px;
      color:var(--primary-dark);
      font-size:15px;
    }
    .panel-list{display:grid;gap:5px;margin:0}
    .panel-list a{
      display:block;
      padding:9px 11px;
      color:#435872;
      border-radius:9px;
      transition:.2s ease;
    }
    .panel-list a:hover{color:var(--primary);background:var(--primary-soft)}
    .mega-card{
      display:flex;
      align-items:center;
      gap:12px;
      padding:9px;
      margin-bottom:6px;
      border-radius:11px;
      transition:.2s ease;
    }
    .mega-card:hover{background:var(--primary-soft)}
    .mega-card img{
      flex:0 0 auto;
      width:44px;
      height:44px;
      object-fit:cover;
      border:1px solid var(--line);
      border-radius:10px;
      background:#fff;
    }
    .mega-card span{display:grid;min-width:0}
    .mega-card strong{
      overflow:hidden;
      color:#18324f;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card small{
      overflow:hidden;
      color:var(--muted);
      font-size:12px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-footer{
      display:block;
      margin:16px -24px 0;
      padding:13px 24px;
      color:var(--primary);
      background:#f4f8fd;
      border-top:1px solid var(--line);
      border-radius:0 0 18px 18px;
      text-align:right;
      font-size:13px;
      font-weight:700;
    }
    .dropdown-panel .mega-footer{margin:15px -22px 0;padding:12px 22px}

    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      margin-left:4px;
    }
    .member-btn,.open-account{
      display:inline-flex;
      min-height:40px;
      align-items:center;
      justify-content:center;
      padding:0 15px;
      border-radius:10px;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .member-btn{color:var(--primary);border:1px solid #b8cbea;background:#fff}
    .open-account{color:#fff;background:var(--primary);box-shadow:0 8px 20px rgba(11,61,145,.2)}
    .member-btn:hover{background:var(--primary-soft)}
    .open-account:hover{background:var(--primary-dark)}
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      padding:9px;
      border:0;
      border-radius:10px;
      background:var(--primary-soft);
      cursor:pointer;
    }
    .hamburger span{
      display:block;
      width:100%;
      height:2px;
      margin:5px 0;
      background:var(--primary);
      transition:.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;
      z-index:90;
      inset:0;
      visibility:hidden;
      opacity:0;
      background:rgba(2,13,29,.58);
      backdrop-filter:blur(3px);
      transition:.25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      z-index:100;
      top:0;
      right:0;
      width:min(390px,90vw);
      height:100vh;
      visibility:hidden;
      overflow-y:auto;
      transform:translateX(100%);
      background:#fff;
      box-shadow:-25px 0 60px rgba(7,26,51,.22);
      transition:.28s ease;
    }
    .mobile-drawer.open{visibility:visible;transform:translateX(0)}
    .drawer-head{
      position:sticky;
      z-index:2;
      top:0;
      display:flex;
      align-items:center;
      gap:10px;
      min-height:70px;
      padding:14px 20px;
      color:#fff;
      background:var(--primary-dark);
    }
    .drawer-head span{font-weight:700}
    .drawer-head a{
      margin-left:auto;
      padding:6px 12px;
      border:1px solid rgba(255,255,255,.35);
      border-radius:8px;
    }
    .drawer-close{
      width:36px;
      height:36px;
      padding:0;
      color:#fff;
      background:transparent;
      border:0;
      font-size:30px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:14px 20px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 8px;
      color:#17324f;
      background:none;
      border:0;
      border-bottom:1px solid var(--line);
      text-align:left;
      font-weight:700;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--primary);
      font-size:22px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:5px 0 10px 13px;
      border-bottom:1px solid var(--line);
    }
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{
      padding:9px 8px;
      color:var(--muted);
      border-radius:8px;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--primary);background:var(--primary-soft)}

    .productlist-main{min-height:680px}
    .productlist-main .product-hero{
      position:relative;
      overflow:hidden;
      padding:78px 0 70px;
      color:#fff;
      background:
        radial-gradient(circle at 18% 20%,rgba(91,170,255,.30),transparent 27%),
        radial-gradient(circle at 82% 10%,rgba(216,238,255,.18),transparent 26%),
        linear-gradient(145deg,#061a35 0%,#0B3D91 58%,#123769 100%);
    }
    .productlist-main .product-hero::before,
    .productlist-main .product-hero::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
    }
    .productlist-main .product-hero::before{
      width:360px;
      height:360px;
      top:-210px;
      left:-80px;
    }
    .productlist-main .product-hero::after{
      width:500px;
      height:500px;
      right:-240px;
      bottom:-360px;
    }
    .productlist-main .hero-inner{
      position:relative;
      z-index:1;
      max-width:850px;
      text-align:center;
    }
    .productlist-main .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:15px;
      padding:7px 13px;
      color:#dceeff;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.18);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .productlist-main .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      background:#8dcbff;
      border-radius:50%;
      box-shadow:0 0 0 5px rgba(141,203,255,.13);
    }
    .productlist-main .product-hero h1{
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.16;
      letter-spacing:-.03em;
    }
    .productlist-main .product-hero p{
      max-width:720px;
      margin:18px auto 0;
      color:#d9e7f8;
      font-size:17px;
    }
    .productlist-main .hero-tags{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px;
      margin-top:28px;
    }
    .productlist-main .hero-tags span{
      padding:8px 14px;
      color:#e9f4ff;
      background:rgba(4,26,57,.35);
      border:1px solid rgba(255,255,255,.15);
      border-radius:999px;
      font-size:13px;
    }

    .productlist-main .catalog-shell{
      position:relative;
      z-index:3;
      margin-top:-28px;
      padding-bottom:86px;
    }
    .productlist-main .category-panel{
      padding:24px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .productlist-main .category-heading{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:17px;
    }
    .productlist-main .category-heading h2{
      margin:0;
      color:var(--primary-dark);
      font-size:22px;
    }
    .productlist-main .category-heading p{
      margin: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;
      min-height:42px;
      align-items:center;
      padding:0 16px;
      color:#2b4767;
      background:#f5f8fc;
      border:1px solid var(--line);
      border-radius:11px;
      font-weight:700;
      transition:.2s ease;
    }
    .productlist-main .category-chip:hover{
      color:#fff;
      background:var(--primary);
      border-color:var(--primary);
      transform:translateY(-2px);
    }
    .productlist-main .catalog-toolbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      margin:42px 0 20px;
    }
    .productlist-main .catalog-title h2{
      margin:0;
      color:#0a2548;
      font-size:30px;
    }
    .productlist-main .catalog-title p{margin:5px 0 0;color:var(--muted)}
    .productlist-main .catalog-note{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:9px;
      padding:10px 14px;
      color:#36516f;
      background:#eaf2ff;
      border:1px solid #cfdef5;
      border-radius:12px;
      font-size:13px;
    }
    .productlist-main .catalog-note::before{
      content:"";
      width:8px;
      height:8px;
      background:var(--success);
      border-radius:50%;
    }
    .productlist-main .product-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:22px;
    }
    .productlist-main .product-card{
      min-width:0;
      overflow:hidden;
      display:flex;
      flex-direction:column;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 10px 30px rgba(7,26,51,.06);
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    }
    .productlist-main .product-card:hover{
      transform:translateY(-6px);
      border-color:#b8cceb;
      box-shadow:0 22px 46px rgba(7,26,51,.12);
    }
    .productlist-main .product-image{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/10;
      background:linear-gradient(145deg,#eaf3ff,#dce9f7);
    }
    .productlist-main .product-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .4s ease;
    }
    .productlist-main .product-card:hover .product-image img{transform:scale(1.045)}
    .productlist-main .product-badge{
      position:absolute;
      top:14px;
      left:14px;
      padding:6px 10px;
      color:#fff;
      background:rgba(6,40,95,.90);
      border:1px solid rgba(255,255,255,.2);
      border-radius:8px;
      backdrop-filter:blur(8px);
      font-size:12px;
      font-weight:700;
    }
    .productlist-main .product-body{
      flex:1;
      min-width:0;
      display:flex;
      flex-direction:column;
      padding:21px;
    }
    .productlist-main .product-body h3{
      margin:0;
      color:#102d50;
      font-size:20px;
      line-height:1.42;
    }
    .productlist-main .product-body h3 a:hover{color:var(--primary)}
    .productlist-main .product-summary{
      display:-webkit-box;
      overflow:hidden;
      min-height:75px;
      margin:11px 0 18px;
      color:var(--muted);
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
      line-height:1.65;
    }
    .productlist-main .product-meta{
      display:flex;
      flex-wrap:wrap;
      gap:7px 14px;
      margin-top:auto;
      padding-top:14px;
      color:#78879a;
      border-top:1px solid #e7edf4;
      font-size:12px;
    }
    .productlist-main .product-action{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:17px;
    }
    .productlist-main .product-price{
      color:var(--primary);
      font-size:15px;
      font-weight:800;
    }
    .productlist-main .detail-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--primary);
      font-size:14px;
      font-weight:800;
    }
    .productlist-main .detail-link::after{
      content:"→";
      transition:transform .2s ease;
    }
    .productlist-main .detail-link: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;
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 13px;
      color:#38516d;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      font-weight:700;
      transition:.2s ease;
    }
    .productlist-main .pagination a:hover,
    .productlist-main .pagination a.active,
    .productlist-main .pagination a.current{
      color:#fff;
      background:var(--primary);
      border-color:var(--primary);
    }
    .productlist-main .selection-guide{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      margin-top:48px;
    }
    .productlist-main .guide-card{
      padding:23px;
      background:linear-gradient(145deg,#fff,#f2f7fd);
      border:1px solid var(--line);
      border-radius:17px;
    }
    .productlist-main .guide-number{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--primary);
      border-radius:11px;
      font-weight:800;
    }
    .productlist-main .guide-card h3{margin:15px 0 7px;font-size:17px}
    .productlist-main .guide-card p{margin:0;color:var(--muted);font-size:14px}

    .footer{
      color:#c4d2e4;
      background:#06172f;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1fr;
      gap:42px;
      padding:58px 0 42px;
    }
    .footer-brand strong{display:block;margin-bottom:15px;color:#fff;font-size:22px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:15px}
    .footer p{margin:7px 0;color:#9eb0c7;font-size:14px}
    .footer-grid>div:not(.footer-brand) a{
      display:block;
      margin:8px 0;
      color:#b9c8da;
      font-size:14px;
    }
    .footer a:hover{color:#fff}
    .footer-bottom{
      padding:18px 0 22px;
      color:#879bb4;
      border-top:1px solid rgba(255,255,255,.09);
      font-size:13px;
      text-align:center;
    }

    @media (max-width:1100px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .productlist-main .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px,1200px)}
      .topbar-inner{min-height:44px;align-items:flex-start;flex-direction:column;justify-content:center;gap:1px;padding:5px 0}
      .topbar-contact{width:100%;justify-content:space-between;gap:8px;font-size:11px}
      .logo{min-width:0}
      .logo span{max-width:125px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .logo img{width:38px;height:38px}
      .member-btn{display:none}
      .open-account{min-height:38px;padding:0 12px}
      .productlist-main .product-hero{padding:58px 0 57px}
      .productlist-main .product-hero p{font-size:15px}
      .productlist-main .catalog-shell{margin-top:-20px;padding-bottom:64px}
      .productlist-main .category-panel{padding:19px}
      .productlist-main .category-heading{align-items:flex-start;flex-direction:column;gap:5px}
      .productlist-main .category-list{flex-wrap:nowrap;overflow-x:auto;padding-bottom:5px}
      .productlist-main .category-chip{flex:0 0 auto}
      .productlist-main .catalog-toolbar{align-items:flex-start;flex-direction:column;margin-top:32px}
      .productlist-main .catalog-title h2{font-size:25px}
      .productlist-main .product-grid{grid-template-columns:1fr}
      .productlist-main .selection-guide{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:26px;padding:45px 0 32px}
    }
    @media (max-width:430px){
      .open-account{display:none}
      .productlist-main .hero-tags span:nth-child(n+4){display:none}
    }