:root{
      --theme:#0B3D91;
      --theme-token:{主题色};
      --theme-dark:#06275f;
      --theme-soft:#eaf1ff;
      --ink:#101828;
      --muted:#667085;
      --line:#d9e2f0;
      --paper:#f6f8fc;
      --white:#fff;
      --accent:#ffcf33;
      --success:#178a57;
      --shadow:0 18px 50px rgba(11,61,145,.12);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.65;
      -webkit-font-smoothing:antialiased;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input,select{font:inherit}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      position:relative;
      z-index:70;
      color:#dce8ff;
      background:var(--theme-dark);
      font-size:13px;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar span:last-child{display:flex;align-items:center;gap:20px}
    .topbar a{transition:color .2s ease}
    .topbar a:hover{color:#fff}

    .header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid rgba(11,61,145,.12);
      box-shadow:0 8px 25px rgba(16,24,40,.04);
      backdrop-filter:blur(14px);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      min-width:180px;
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--theme);
      font-weight:900;
      letter-spacing:-.02em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .logo span{max-width:150px;line-height:1.2}
    .main-nav{flex:1;align-self:stretch}
    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      align-items:stretch;
      justify-content:center;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      height:100%;
      padding:0 13px;
      display:flex;
      align-items:center;
      gap:6px;
      color:#25324a;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
      transition:color .2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .nav-link.has-arrow::after{
      width:6px;
      height:6px;
      content:"";
      border-right:2px solid currentColor;
      border-bottom:2px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
      transition:transform .2s ease;
    }
    .nav-item:hover .nav-link.has-arrow::after,
    .nav-item:focus-within .nav-link.has-arrow::after{
      transform:rotate(225deg) translate(-1px,-1px);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:80;
      visibility:hidden;
      opacity:0;
      transform:translate(-50%,10px);
      pointer-events:none;
      background:#fff;
      border:1px solid var(--line);
      border-top:3px solid var(--theme);
      box-shadow:0 24px 55px rgba(16,24,40,.16);
      transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
    }
    .dropdown-panel::before,.mega-menu::before{
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:12px;
      content:"";
    }
    .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:translate(-50%,0);
      pointer-events:auto;
    }
    .dropdown-panel{
      width:330px;
      padding:20px;
      border-radius:0 0 16px 16px;
    }
    .mega-menu{
      width:min(760px,calc(100vw - 40px));
      padding:24px;
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:24px;
      border-radius:0 0 20px 20px;
    }
    .nav-item:nth-last-child(-n+3) .mega-menu{
      right:-120px;
      left:auto;
      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-section{min-width:0}
    .mega-section+.mega-section{
      padding-left:24px;
      border-left:1px solid var(--line);
    }
    .panel-title{
      margin-bottom:12px;
      color:var(--theme);
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
    }
    .panel-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:9px 10px;
      color:#344054;
      border-radius:9px;
      font-size:14px;
      transition:background .2s ease,color .2s ease;
    }
    .panel-link:hover{color:var(--theme);background:var(--theme-soft)}
    .panel-link small{color:var(--muted);white-space:nowrap}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px;
    }
    .mega-card{
      min-width:0;
      padding:12px;
      display:grid;
      grid-template-columns:auto 1fr;
      align-items:center;
      gap:4px 10px;
      color:#344054;
      border:1px solid #e6ebf3;
      border-radius:12px;
      transition:border-color .2s ease,background .2s ease,transform .2s ease;
    }
    .mega-card:hover{
      color:var(--theme);
      background:var(--theme-soft);
      border-color:#b7c9ec;
      transform:translateY(-2px);
    }
    .mega-card img{
      grid-row:1/3;
      width:34px;
      height:34px;
      padding:5px;
      object-fit:contain;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
    }
    .mega-card strong,.mega-card small{
      min-width:0;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .mega-card strong{font-size:14px;white-space:nowrap}
    .mega-card small{
      display:block;
      color:var(--muted);
      font-size:12px;
      line-height:1.45;
    }
    .mega-section p{
      margin:0 0 16px;
      color:var(--muted);
      font-size:14px;
    }
    .mega-footer{
      margin-top:12px;
      padding:10px 13px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-size:14px;
      font-weight:800;
      transition:background .2s ease,transform .2s ease;
    }
    .mega-footer:hover{background:var(--theme-dark);transform:translateY(-1px)}
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .member-btn,.open-btn{
      padding:10px 14px;
      border-radius:10px;
      font-size:14px;
      font-weight:800;
      transition:all .2s ease;
    }
    .member-btn{color:var(--theme);border:1px solid #adc2e9;background:#fff}
    .member-btn:hover{background:var(--theme-soft)}
    .open-btn{color:#fff;background:var(--theme);border:1px solid var(--theme)}
    .open-btn:hover{background:var(--theme-dark)}
    .hamburger{
      width:44px;
      height:44px;
      padding:10px;
      display:none;
      border:0;
      background:transparent;
      cursor:pointer;
    }
    .hamburger span{
      width:23px;
      height:2px;
      margin:5px auto;
      display:block;
      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:89;
      visibility:hidden;
      opacity:0;
      background:rgba(6,20,48,.58);
      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:90;
      width:min(390px,90vw);
      overflow-y:auto;
      color:var(--ink);
      background:#fff;
      box-shadow:-24px 0 60px rgba(6,20,48,.24);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:74px;
      padding:14px 18px;
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      background:var(--theme);
    }
    .drawer-head>a{
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.42);
      border-radius:8px;
      font-size:14px;
      font-weight:700;
    }
    .drawer-close{
      width:40px;
      height:40px;
      margin-left:auto;
      color:#fff;
      background:transparent;
      border:0;
      font-size:32px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:16px 18px 34px}
    .drawer-link,.drawer-toggle{
      width:100%;
      min-height:50px;
      padding:12px 4px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      text-align:left;
      background:transparent;
      border:0;
      border-bottom:1px solid #e8edf5;
      color:#25324a;
      font-weight:800;
      cursor:pointer;
    }
    .drawer-toggle::after{
      width:8px;
      height:8px;
      margin-right:5px;
      content:"";
      border-right:2px solid var(--theme);
      border-bottom:2px solid var(--theme);
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .drawer-toggle.active::after{transform:rotate(225deg)}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      background:#f7f9fc;
      transition:max-height .3s ease;
    }
    .drawer-submenu.open{max-height:700px}
    .drawer-submenu a{
      padding:10px 15px;
      display:block;
      color:#475467;
      border-bottom:1px solid #e9edf4;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme);background:var(--theme-soft)}

    .productlist-main{
      min-height:620px;
      overflow:hidden;
    }
    .productlist-main .product-hero{
      position:relative;
      padding:74px 0 62px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 18%,rgba(255,207,51,.28) 0 3px,transparent 4px),
        radial-gradient(circle at 88% 72%,rgba(255,255,255,.26) 0 5px,transparent 6px),
        linear-gradient(135deg,var(--theme-dark),var(--theme) 62%,#1768c4);
    }
    .productlist-main .product-hero::before{
      position:absolute;
      inset:0;
      content:"";
      opacity:.28;
      background-image:
        linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .productlist-main .product-hero::after{
      position:absolute;
      right:-70px;
      bottom:-130px;
      width:330px;
      height:330px;
      content:"";
      border:54px solid rgba(255,207,51,.18);
      border-radius:50%;
    }
    .productlist-main .hero-inner{
      position:relative;
      z-index:1;
      max-width:850px;
    }
    .productlist-main .breadcrumb{
      margin-bottom:18px;
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:#dbe8ff;
      font-size:14px;
    }
    .productlist-main .breadcrumb a:hover{color:#fff}
    .productlist-main .breadcrumb span[aria-hidden="true"]{opacity:.65}
    .productlist-main .hero-kicker{
      margin:0 0 12px;
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:#102247;
      background:var(--accent);
      border:2px solid #101828;
      box-shadow:4px 4px 0 #101828;
      padding:6px 12px;
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
      transform:rotate(-1deg);
    }
    .productlist-main .product-hero h1{
      margin:0;
      font-size:clamp(36px,5vw,62px);
      line-height:1.12;
      letter-spacing:-.045em;
    }
    .productlist-main .product-hero .lead{
      max-width:720px;
      margin:20px 0 0;
      color:#e7efff;
      font-size:17px;
    }
    .productlist-main .hero-tags{
      margin-top:26px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .productlist-main .hero-tags span{
      padding:7px 12px;
      color:#fff;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.32);
      border-radius:999px;
      font-size:13px;
      backdrop-filter:blur(8px);
    }

    .productlist-main .category-section{
      position:relative;
      z-index:3;
      margin-top:-28px;
    }
    .productlist-main .category-panel{
      padding:22px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow);
    }
    .productlist-main .category-head{
      margin-bottom:15px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .productlist-main .category-head h2{
      margin:0;
      color:var(--theme-dark);
      font-size:18px;
    }
    .productlist-main .category-head p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .productlist-main .category-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .productlist-main .category-link{
      padding:9px 15px;
      color:#344054;
      background:#f7f9fc;
      border:1px solid #dce4f1;
      border-radius:999px;
      font-size:14px;
      font-weight:700;
      transition:all .2s ease;
    }
    .productlist-main .category-link:hover{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
      transform:translateY(-2px);
    }

    .productlist-main .catalog-section{padding:70px 0 84px}
    .productlist-main .section-head{
      margin-bottom:30px;
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:30px;
    }
    .productlist-main .section-eyebrow{
      margin:0 0 5px;
      color:var(--theme);
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
    }
    .productlist-main .section-head h2{
      margin:0;
      color:var(--ink);
      font-size:clamp(28px,4vw,40px);
      line-height:1.2;
      letter-spacing:-.035em;
    }
    .productlist-main .section-head .section-copy{
      max-width:500px;
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .productlist-main .product-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:24px;
    }
    .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 10px 35px rgba(16,24,40,.06);
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    }
    .productlist-main .product-card:hover{
      border-color:#a9bfe7;
      box-shadow:0 22px 50px rgba(11,61,145,.15);
      transform:translateY(-7px);
    }
    .productlist-main .product-image{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:linear-gradient(135deg,#e8effc,#f9fbff);
      border-bottom:1px solid var(--line);
    }
    .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:var(--theme);
      border:2px solid #fff;
      border-radius:999px;
      box-shadow:0 5px 15px rgba(11,61,145,.24);
      font-size:12px;
      font-weight:800;
    }
    .productlist-main .product-body{
      min-width:0;
      padding:22px;
      display:flex;
      flex:1;
      flex-direction:column;
    }
    .productlist-main .product-body h3{
      margin:0 0 11px;
      color:#17233b;
      font-size:21px;
      line-height:1.35;
      letter-spacing:-.02em;
    }
    .productlist-main .product-body h3 a{
      transition:color .2s ease;
      overflow-wrap:anywhere;
    }
    .productlist-main .product-body h3 a:hover{color:var(--theme)}
    .productlist-main .product-summary{
      margin:0 0 19px;
      display:-webkit-box;
      overflow:hidden;
      color:#5b667a;
      font-size:14px;
      line-height:1.75;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .productlist-main .product-meta{
      margin-top:auto;
      padding-top:15px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:#7a8496;
      border-top:1px solid #e8edf4;
      font-size:12px;
    }
    .productlist-main .product-meta span{
      min-width:0;
      display:flex;
      align-items:center;
      gap:6px;
    }
    .productlist-main .product-meta span::before{
      width:7px;
      height:7px;
      flex:0 0 auto;
      content:"";
      background:var(--accent);
      border:1px solid #101828;
      border-radius:50%;
    }
    .productlist-main .product-actions{
      margin-top:17px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .productlist-main .product-price{
      color:var(--theme);
      font-size:15px;
      font-weight:900;
    }
    .productlist-main .product-cta{
      padding:9px 14px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-size:13px;
      font-weight:800;
      transition:background .2s ease,transform .2s ease;
    }
    .productlist-main .product-cta::after{content:"→";font-size:16px}
    .productlist-main .product-cta:hover{
      background:var(--theme-dark);
      transform:translateX(2px);
    }
    .productlist-main .pagination{
      margin-top:42px;
      display:flex;
      align-items:center;
      justify-content:center;
      flex-wrap:wrap;
      gap:8px;
    }
    .productlist-main .pagination a{
      min-width:42px;
      height:42px;
      padding:0 13px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#344054;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      font-size:14px;
      font-weight:800;
      transition:all .2s ease;
    }
    .productlist-main .pagination a:hover,
    .productlist-main .pagination a.active,
    .productlist-main .pagination a.current{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
      transform:translateY(-2px);
    }
    .productlist-main .selection-guide{
      padding:0 0 84px;
    }
    .productlist-main .guide-panel{
      padding:36px;
      color:#fff;
      background:#101828;
      border-radius:24px;
      box-shadow:var(--shadow);
    }
    .productlist-main .guide-panel h2{
      margin:0 0 8px;
      font-size:29px;
    }
    .productlist-main .guide-panel>p{
      margin:0;
      color:#cbd5e1;
    }
    .productlist-main .guide-grid{
      margin-top:26px;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .productlist-main .guide-item{
      padding:20px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.13);
      border-radius:15px;
    }
    .productlist-main .guide-item strong{
      margin-bottom:7px;
      display:block;
      color:var(--accent);
      font-size:16px;
    }
    .productlist-main .guide-item p{
      margin:0;
      color:#cbd5e1;
      font-size:13px;
    }

    .footer{
      padding:58px 0 0;
      color:#c5d0e3;
      background:#071b42;
    }
    .footer-grid{
      padding-bottom:42px;
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr 1fr;
      gap:42px;
    }
    .footer-brand{
      margin-bottom:14px;
      display:inline-block;
      color:#fff;
      font-size:23px;
      font-weight:900;
    }
    .footer p{
      margin:7px 0;
      color:#aebbd1;
      font-size:14px;
    }
    .footer h3{
      margin:0 0 16px;
      color:#fff;
      font-size:16px;
    }
    .footer-grid>div>a:not(.footer-brand){
      width:fit-content;
      margin:9px 0;
      display:block;
      color:#c5d0e3;
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-grid>div>a:not(.footer-brand):hover{
      color:#fff;
      transform:translateX(3px);
    }
    .footer-bottom{
      padding:20px 0;
      color:#95a5c0;
      border-top:1px solid rgba(255,255,255,.12);
      text-align:center;
      font-size:13px;
    }

    @media (max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{gap:16px}
      .header-btns{margin-left:auto}
      .productlist-main .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:820px){
      .container{width:min(100% - 30px,1180px)}
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar span:last-child{flex-wrap:wrap;gap:4px 14px}
      .header-inner{min-height:68px}
      .logo{min-width:0}
      .logo img{width:38px;height:38px}
      .member-btn{display:none}
      .productlist-main .product-hero{padding:56px 0 52px}
      .productlist-main .category-head{align-items:flex-start;flex-direction:column;gap:4px}
      .productlist-main .catalog-section{padding:58px 0 68px}
      .productlist-main .section-head{align-items:flex-start;flex-direction:column;gap:12px}
      .productlist-main .guide-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
    }
    @media (max-width:620px){
      .container{width:min(100% - 24px,1180px)}
      .logo span{max-width:125px;font-size:14px}
      .open-btn{display:none}
      .hamburger{padding-right:2px}
      .productlist-main .product-hero h1{font-size:36px}
      .productlist-main .product-hero .lead{font-size:15px}
      .productlist-main .category-section{margin-top:-20px}
      .productlist-main .category-panel{padding:17px}
      .productlist-main .product-grid{grid-template-columns:1fr}
      .productlist-main .product-card{border-radius:16px}
      .productlist-main .guide-panel{padding:25px 20px}
      .productlist-main .guide-panel h2{font-size:24px}
      .footer-grid{grid-template-columns:1fr;gap:28px}
    }