:root{
      --theme:#0B3D91;
      --theme-template:{主题色};
      --theme-dark:#06265e;
      --theme-deep:#071832;
      --theme-soft:#eaf1fc;
      --accent:#3e79d6;
      --silver:#cbd5e1;
      --ink:#15233b;
      --muted:#64748b;
      --line:#e3eaf3;
      --surface:#ffffff;
      --page:#f5f8fc;
      --success:#17845b;
      --radius:18px;
      --shadow:0 18px 45px rgba(15,44,87,.10);
    }
    *{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:1.7;
      -webkit-font-smoothing:antialiased;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dce9ff;
      background:var(--theme-deep);
      font-size:13px;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar span:last-child{display:flex;align-items:center;gap:22px}
    .topbar a{color:#dce9ff;transition:color .2s ease}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 24px rgba(20,52,95,.05);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:26px;
    }
    .logo{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--theme);
      font-size:19px;
      font-weight:800;
      white-space:nowrap;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{flex:1;align-self:stretch}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      justify-content:center;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      min-height:76px;
      display:flex;
      align-items:center;
      padding:0 13px;
      color:#273750;
      font-size:15px;
      font-weight:650;
      white-space:nowrap;
      transition:color .2s ease,background .2s ease;
    }
    .nav-link:hover,
    .nav-item:focus-within>.nav-link{
      color:var(--theme);
      background:#f5f8fd;
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin:0 0 4px 7px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .nav-item:hover>.has-arrow::after,
    .nav-item:focus-within>.has-arrow::after{
      transform:translateY(3px) rotate(225deg);
    }
    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:60;
      visibility:hidden;
      opacity:0;
      transform:translate(-50%,10px);
      pointer-events:none;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:0 24px 55px rgba(10,35,75,.16);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    }
    .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;
      transform:translate(-50%,0);
      pointer-events:auto;
    }
    .dropdown-panel{
      width:310px;
      padding:12px;
    }
    .dropdown-panel>a:not(.mega-footer){
      display:block;
      padding:10px 12px;
      overflow:hidden;
      color:#33445e;
      border-radius:9px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-panel>a:not(.mega-footer):hover{color:var(--theme);background:var(--theme-soft)}
    .mega-menu{
      width:min(780px,calc(100vw - 32px));
      padding:22px 22px 0;
    }
    .nav-item:nth-last-child(-n+3) .mega-menu{left:auto;right:-80px;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:210px minmax(0,1fr);
      gap:24px;
    }
    .mega-grid h4{margin:0 0 10px;color:var(--theme);font-size:17px}
    .mega-grid p{margin:0 0 12px;color:var(--muted);font-size:14px}
    .mega-grid>div:first-child>a{
      display:block;
      padding:6px 0;
      color:#41536d;
      font-size:14px;
    }
    .mega-grid>div:first-child>a:hover{color:var(--theme)}
    .mega-cards{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px;
    }
    .mega-card{
      min-width:0;
      min-height:68px;
      display:grid;
      grid-template-columns:auto minmax(0,1fr);
      align-content:center;
      column-gap:10px;
      padding:11px 12px;
      border:1px solid var(--line);
      border-radius:11px;
      background:#fbfdff;
      transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      border-color:#a9c3eb;
      transform:translateY(-2px);
      box-shadow:0 8px 22px rgba(11,61,145,.09);
    }
    .mega-card img{
      grid-row:1/3;
      width:34px;
      height:34px;
      align-self:center;
      object-fit:contain;
      border-radius:8px;
    }
    .mega-card b{
      min-width:0;
      overflow:hidden;
      color:#233550;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card small{
      min-width:0;
      overflow:hidden;
      color:var(--muted);
      font-size:12px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-footer{
      display:block;
      margin:18px -22px 0;
      padding:12px 22px;
      color:var(--theme);
      background:#f3f7fd;
      border-top:1px solid var(--line);
      border-radius:0 0 16px 16px;
      font-size:14px;
      font-weight:700;
      text-align:right;
    }
    .dropdown-panel .mega-footer{margin:8px -12px -12px}

    .header-btns{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:9px;
    }
    .member-btn,
    .open-btn{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 15px;
      border-radius:9px;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .member-btn{
      color:var(--theme);
      background:var(--theme-soft);
      border:1px solid #cddcf3;
    }
    .open-btn{
      color:#fff;
      background:var(--theme);
      box-shadow:0 8px 18px rgba(11,61,145,.22);
    }
    .open-btn:hover{background:var(--theme-dark)}
    .hamburger{
      width:42px;
      height:40px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      padding:0;
      border:1px solid var(--line);
      border-radius:9px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      width:19px;
      height:2px;
      background:var(--theme);
      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:90;
      visibility:hidden;
      opacity:0;
      background:rgba(3,16,38,.62);
      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:100;
      width:min(390px,88vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(5,25,58,.22);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 18px;
      color:#fff;
      background:linear-gradient(135deg,var(--theme-dark),var(--theme));
    }
    .drawer-head>a{
      padding:7px 13px;
      border:1px solid rgba(255,255,255,.35);
      border-radius:8px;
      font-size:14px;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      padding:0;
      color:#fff;
      background:rgba(255,255,255,.12);
      border:0;
      border-radius:9px;
      font-size:27px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:12px 16px 30px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      min-height:48px;
      display:flex;
      align-items:center;
      padding:0 12px;
      color:#253751;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      text-align:left;
      font-weight:700;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      margin-left:auto;
      color:var(--theme);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 0 9px 13px;
      border-bottom:1px solid var(--line);
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:8px 12px;
      color:var(--muted);
      border-radius:8px;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme);background:var(--theme-soft)}

    .ea-content-stack{
      min-width:0;
      padding:30px 0 74px;
    }
    .ea-content-stack .product-container{
      width:min(1200px,calc(100% - 40px));
      margin:0 auto;
    }
    .ea-content-stack .breadcrumbs{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:22px;
      color:var(--muted);
      font-size:14px;
    }
    .ea-content-stack .breadcrumbs a{color:var(--theme);font-weight:650}
    .ea-content-stack .breadcrumbs i{font-style:normal;color:#a6b1c1}
    .ea-content-stack .product-hero{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:minmax(300px,440px) minmax(0,1fr);
      gap:46px;
      align-items:center;
      padding:42px;
      background:
        radial-gradient(circle at 92% 5%,rgba(63,121,214,.14),transparent 30%),
        linear-gradient(145deg,#fff,#f8fbff);
      border:1px solid #dce6f3;
      border-radius:26px;
      box-shadow:var(--shadow);
    }
    .ea-content-stack .product-hero::before{
      content:"";
      position:absolute;
      top:-90px;
      right:-70px;
      width:260px;
      height:260px;
      border:1px solid rgba(11,61,145,.12);
      border-radius:50%;
      box-shadow:0 0 0 35px rgba(11,61,145,.035),0 0 0 70px rgba(11,61,145,.025);
      pointer-events:none;
    }
    .ea-content-stack .product-image-wrap{
      position:relative;
      z-index:1;
      min-height:330px;
      display:flex;
      align-items:center;
      justify-content:center;
      padding:28px;
      background:linear-gradient(155deg,#eef4fd,#fff);
      border:1px solid #d9e4f3;
      border-radius:20px;
    }
    .ea-content-stack .product-image-wrap img{
      width:100%;
      max-height:310px;
      object-fit:contain;
      border-radius:13px;
    }
    .ea-content-stack .product-image-wrap::after{
      content:"产品资料";
      position:absolute;
      left:16px;
      bottom:16px;
      padding:5px 10px;
      color:#fff;
      background:rgba(7,24,50,.82);
      border-radius:7px;
      font-size:12px;
      letter-spacing:.08em;
    }
    .ea-content-stack .product-summary{
      position:relative;
      z-index:1;
      min-width:0;
    }
    .ea-content-stack .category-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      margin-bottom:14px;
      padding:5px 11px;
      color:var(--theme);
      background:var(--theme-soft);
      border:1px solid #cfddf2;
      border-radius:999px;
      font-size:13px;
      font-weight:750;
    }
    .ea-content-stack .category-badge::before{
      content:"";
      width:7px;
      height:7px;
      background:var(--theme);
      border-radius:50%;
      box-shadow:0 0 0 4px rgba(11,61,145,.10);
    }
    .ea-content-stack .product-summary h1{
      margin:0 0 18px;
      color:#102442;
      font-size:clamp(30px,4vw,48px);
      line-height:1.2;
      letter-spacing:-.025em;
      overflow-wrap:anywhere;
    }
    .ea-content-stack .lead{
      margin:0;
      color:#52657f;
      font-size:17px;
      line-height:1.85;
      overflow-wrap:anywhere;
    }
    .ea-content-stack .product-meta{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:10px;
      margin:25px 0;
    }
    .ea-content-stack .meta-item{
      min-width:0;
      padding:13px 14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:12px;
    }
    .ea-content-stack .meta-item span{
      display:block;
      margin-bottom:2px;
      color:#8491a4;
      font-size:12px;
    }
    .ea-content-stack .meta-item strong{
      display:block;
      overflow:hidden;
      color:#273a57;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .ea-content-stack .summary-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
    }
    .ea-content-stack .primary-action,
    .ea-content-stack .secondary-action{
      min-height:45px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 19px;
      border-radius:10px;
      font-size:14px;
      font-weight:750;
    }
    .ea-content-stack .primary-action{
      color:#fff;
      background:var(--theme);
      box-shadow:0 10px 22px rgba(11,61,145,.22);
    }
    .ea-content-stack .primary-action:hover{background:var(--theme-dark)}
    .ea-content-stack .secondary-action{
      color:var(--theme);
      background:#fff;
      border:1px solid #bed0ea;
    }
    .ea-content-stack .detail-grid{
      min-width:0;
      display:grid;
      grid-template-columns:minmax(0,1fr) 300px;
      gap:26px;
      align-items:start;
      margin-top:28px;
    }
    .ea-content-stack .product-article,
    .ea-content-stack .side-card{
      min-width:0;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:0 13px 34px rgba(20,52,95,.07);
    }
    .ea-content-stack .product-article{padding:34px}
    .ea-content-stack .section-heading{
      display:flex;
      align-items:center;
      gap:12px;
      margin:0 0 24px;
      color:#142a4a;
      font-size:24px;
      line-height:1.35;
    }
    .ea-content-stack .section-heading::before{
      content:"";
      width:5px;
      height:25px;
      flex:0 0 auto;
      background:linear-gradient(var(--accent),var(--theme));
      border-radius:5px;
    }
    .ea-content-stack .product-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#374963;
      font-size:16px;
      line-height:1.9;
      overflow-wrap:anywhere;
    }
    .ea-content-stack .product-body img,
    .ea-content-stack .product-body video,
    .ea-content-stack .product-body iframe{
      max-width:100%;
      height:auto;
      border-radius:12px;
    }
    .ea-content-stack .product-body table{
      width:100%;
      max-width:100%;
      border-collapse:collapse;
    }
    .ea-content-stack .product-body th,
    .ea-content-stack .product-body td{
      padding:11px;
      border:1px solid var(--line);
      text-align:left;
    }
    .ea-content-stack .product-body a{color:var(--theme);text-decoration:underline}
    .ea-content-stack .product-body h2,
    .ea-content-stack .product-body h3{
      color:#172d4d;
      line-height:1.4;
    }
    .ea-content-stack .notice{
      margin-top:28px;
      padding:17px 19px;
      color:#5c6573;
      background:#f7f9fc;
      border-left:4px solid var(--theme);
      border-radius:0 10px 10px 0;
      font-size:14px;
    }
    .ea-content-stack .product-sidebar{
      display:grid;
      gap:18px;
      min-width:0;
    }
    .ea-content-stack .side-card{padding:22px}
    .ea-content-stack .side-card h2{
      margin:0 0 16px;
      color:#172d4d;
      font-size:19px;
    }
    .ea-content-stack .info-list{
      display:grid;
      gap:0;
      margin:0;
    }
    .ea-content-stack .info-list div{
      display:grid;
      grid-template-columns:78px minmax(0,1fr);
      gap:10px;
      padding:11px 0;
      border-bottom:1px solid var(--line);
    }
    .ea-content-stack .info-list div:last-child{border-bottom:0}
    .ea-content-stack .info-list dt{color:#8491a4;font-size:13px}
    .ea-content-stack .info-list dd{
      min-width:0;
      margin:0;
      color:#334761;
      font-size:13px;
      font-weight:700;
      overflow-wrap:anywhere;
    }
    .ea-content-stack .safety-card{
      color:#dce9ff;
      background:linear-gradient(145deg,var(--theme-deep),var(--theme));
      border-color:transparent;
    }
    .ea-content-stack .safety-card h2{color:#fff}
    .ea-content-stack .safety-card p{margin:0;color:#d6e4fa;font-size:14px}
    .ea-content-stack .related-section{margin-top:30px}
    .ea-content-stack .related-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:17px;
    }
    .ea-content-stack .related-head h2{margin:0;color:#142a4a;font-size:27px}
    .ea-content-stack .related-head p{margin:0;color:var(--muted);font-size:14px}
    .ea-content-stack .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .ea-content-stack .related-card{
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:17px;
      box-shadow:0 10px 28px rgba(20,52,95,.06);
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .ea-content-stack .related-card:hover{
      transform:translateY(-4px);
      border-color:#b8cbea;
      box-shadow:0 16px 36px rgba(11,61,145,.11);
    }
    .ea-content-stack .related-image{
      height:180px;
      padding:18px;
      background:linear-gradient(150deg,#edf3fc,#fbfdff);
    }
    .ea-content-stack .related-image img{
      width:100%;
      height:100%;
      object-fit:contain;
      border-radius:10px;
    }
    .ea-content-stack .related-body{padding:18px}
    .ea-content-stack .related-body h3{
      margin:0 0 9px;
      overflow:hidden;
      color:#203552;
      font-size:17px;
      line-height:1.45;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .ea-content-stack .related-body p{
      min-height:48px;
      display:-webkit-box;
      margin:0 0 13px;
      overflow:hidden;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .ea-content-stack .related-meta{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding-top:12px;
      color:#8793a5;
      border-top:1px solid var(--line);
      font-size:12px;
    }

    .footer{
      color:#c8d6ea;
      background:#07172e;
    }
    .footer .container{padding-top:56px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr 1fr 1fr 1.2fr;
      gap:42px;
      padding-bottom:38px;
    }
    .footer h4{
      margin:0 0 16px;
      color:#fff;
      font-size:16px;
    }
    .footer-brand strong{
      display:block;
      margin-bottom:12px;
      color:#fff;
      font-size:22px;
    }
    .footer p{margin:6px 0;color:#9eb0c8;font-size:14px}
    .footer-grid>div>a{
      display:block;
      width:max-content;
      max-width:100%;
      margin:8px 0;
      color:#b8c8dd;
      font-size:14px;
      overflow-wrap:anywhere;
    }
    .footer-grid>div>a:hover{color:#fff}
    .footer-bottom{
      min-height:68px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:16px 0;
      color:#8297b2;
      border-top:1px solid rgba(255,255,255,.10);
      font-size:13px;
    }

    @media (max-width:1100px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-inner{gap:16px}
      .header-btns{margin-left:auto}
      .ea-content-stack .product-hero{gap:30px;padding:32px}
    }
    @media (max-width:900px){
      .ea-content-stack .product-hero{
        grid-template-columns:1fr;
        align-items:stretch;
      }
      .ea-content-stack .product-image-wrap{min-height:280px}
      .ea-content-stack .detail-grid{grid-template-columns:1fr}
      .ea-content-stack .product-sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}
      .ea-content-stack .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:680px){
      .container,
      .ea-content-stack .product-container{width:min(100% - 28px,1200px)}
      .topbar .container{
        min-height:42px;
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        gap:1px;
        padding:6px 0;
      }
      .topbar span:last-child{gap:12px;flex-wrap:wrap}
      .header-inner{min-height:68px}
      .logo img{width:37px;height:37px}
      .logo span{max-width:125px;overflow:hidden;text-overflow:ellipsis}
      .member-btn{display:none}
      .open-btn{min-height:37px;padding:0 12px}
      .ea-content-stack{padding-top:20px;padding-bottom:52px}
      .ea-content-stack .breadcrumbs{margin-bottom:14px}
      .ea-content-stack .product-hero{gap:24px;padding:20px;border-radius:19px}
      .ea-content-stack .product-image-wrap{min-height:220px;padding:20px}
      .ea-content-stack .product-summary h1{font-size:29px}
      .ea-content-stack .lead{font-size:15px}
      .ea-content-stack .product-meta{grid-template-columns:1fr}
      .ea-content-stack .summary-actions>a{width:100%}
      .ea-content-stack .product-article{padding:22px 18px}
      .ea-content-stack .product-sidebar{grid-template-columns:1fr}
      .ea-content-stack .related-head{align-items:flex-start;flex-direction:column;gap:4px}
      .ea-content-stack .related-grid{grid-template-columns:1fr}
      .ea-content-stack .related-image{height:200px}
      .footer .container{padding-top:42px}
      .footer-grid{grid-template-columns:1fr;gap:27px}
      .footer-bottom{align-items:flex-start;flex-direction:column;justify-content:center}
    }
    @media (max-width:390px){
      .logo span{display:none}
      .open-btn{padding:0 10px}
      .ea-content-stack .product-hero{padding:16px}
      .ea-content-stack .product-image-wrap{min-height:190px}
    }