:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#062860;
      --theme-light:#eaf1fc;
      --silver:#d9e0ea;
      --ink:#10213b;
      --muted:#64748b;
      --line:#dfe6ef;
      --surface:#ffffff;
      --page:#f4f7fb;
      --success:#16825d;
      --radius:16px;
      --shadow:0 14px 38px rgba(11,61,145,.1);
    }

    *{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;
      -webkit-font-smoothing:antialiased;
    }
    body.drawer-lock{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{color:inherit}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dce8fb;
      background:#061d43;
      border-bottom:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-contact{display:flex;align-items:center;gap:20px}
    .topbar-contact a{transition:color .2s ease}
    .topbar-contact 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 4px 16px rgba(15,36,68,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:26px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      flex:0 0 auto;
      gap:11px;
      color:var(--theme-dark);
      font-size:19px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:9px;
    }
    .main-nav{align-self:stretch;margin-left:auto}
    .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{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:6px;
      padding:0 13px;
      color:#253650;
      font-size:15px;
      font-weight:600;
      white-space:nowrap;
      transition:color .2s ease,background .2s ease;
    }
    .nav-link:hover,
    .nav-item:focus-within>.nav-link{
      color:var(--theme);
      background:#f4f7fc;
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin-top:-4px;
      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{
      margin-top:3px;
      transform:rotate(225deg);
    }

    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      z-index:80;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(9px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s;
    }
    .dropdown-panel::before,
    .mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:12px;
    }
    .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;
      transform:translateY(0);
    }
    .dropdown-panel{
      left:0;
      width:330px;
      padding:18px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 14px 14px;
      box-shadow:0 24px 52px rgba(17,39,76,.16);
    }
    .dropdown-title{
      margin:0 0 10px;
      color:var(--theme);
      font-size:13px;
      font-weight:800;
    }
    .news-link{
      display:block;
      padding:10px 0;
      overflow:hidden;
      color:#263750;
      border-bottom:1px solid #edf1f6;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .news-link:hover{color:var(--theme)}
    .dropdown-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin:14px -18px -18px;
      padding:13px 18px;
      color:#fff;
      background:var(--theme);
      border-radius:0 0 13px 13px;
      font-size:14px;
      font-weight:700;
    }

    .mega-menu{
      left:50%;
      width:min(1000px,calc(100vw - 40px));
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:0 26px 58px rgba(12,34,69,.18);
      transform:translate(-50%,9px);
    }
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .mega-layout{
      display:grid;
      grid-template-columns:240px minmax(0,1fr);
      min-height:300px;
    }
    .mega-side{
      padding:26px;
      color:#eaf2ff;
      background:linear-gradient(145deg,var(--theme-dark),var(--theme));
      border-radius:0 0 0 17px;
    }
    .mega-side h3{margin:0 0 9px;color:#fff;font-size:19px}
    .mega-side p{margin:0 0 20px;color:#d5e4fb;font-size:13px;line-height:1.75}
    .mega-categories{display:flex;flex-direction:column;gap:7px}
    .mega-categories a{
      padding:8px 10px;
      color:#edf5ff;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
      border-radius:8px;
      font-size:13px;
    }
    .mega-categories a:hover{background:rgba(255,255,255,.18)}
    .mega-content{min-width:0;padding:22px}
    .mega-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      margin-bottom:15px;
    }
    .mega-head strong{font-size:16px}
    .mega-footer{color:var(--theme);font-size:13px;font-weight:700}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      min-height:104px;
      padding:13px;
      background:#f8fafc;
      border:1px solid #e7edf4;
      border-radius:11px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#b7c9e7;
      box-shadow:0 9px 22px rgba(11,61,145,.09);
    }
    .mega-card img{
      width:38px;
      height:38px;
      margin-bottom:9px;
      object-fit:contain;
      border-radius:7px;
    }
    .mega-card.video-card img,
    .mega-card.product-card img{
      width:100%;
      height:72px;
      object-fit:cover;
    }
    .mega-card strong{
      display:block;
      overflow:hidden;
      font-size:13px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card p{
      display:-webkit-box;
      margin:5px 0 0;
      overflow:hidden;
      color:var(--muted);
      font-size:12px;
      line-height:1.45;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .mega-meta{
      display:flex;
      flex-wrap:wrap;
      gap:3px 8px;
      margin-top:7px;
      color:#718096;
      font-size:11px;
    }

    .header-btns{
      display:flex;
      align-items:center;
      flex:0 0 auto;
      gap:9px;
    }
    .header-btns>a,
    .header-btns>button,
    .header-btns>*:not(.hamburger){
      white-space:nowrap;
    }
    .open-account{
      display:inline-flex;
      min-height:40px;
      align-items:center;
      justify-content:center;
      padding:0 18px;
      color:#fff;
      background:var(--theme);
      border-radius:8px;
      font-size:14px;
      font-weight:700;
      box-shadow:0 7px 18px rgba(11,61,145,.2);
    }
    .open-account:hover{background:var(--theme-dark)}
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      padding:0;
      background:#f2f5fa;
      border:1px solid var(--line);
      border-radius:9px;
      cursor:pointer;
    }
    .hamburger span{
      width:20px;
      height:2px;
      background:var(--theme-dark);
      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(4,17,39,.58);
      transition:opacity .25s ease,visibility .25s;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:100;
      width:min(390px,90vw);
      height:100vh;
      overflow-y:auto;
      color:var(--ink);
      background:#fff;
      box-shadow:-20px 0 50px rgba(5,23,53,.2);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:74px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 18px;
      color:#fff;
      background:linear-gradient(135deg,var(--theme-dark),var(--theme));
    }
    .drawer-head a{font-weight:700}
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      padding:0;
      color:#fff;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.25);
      border-radius:50%;
      font-size:25px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:10px 18px 28px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      min-height:49px;
      display:flex;
      align-items:center;
      padding:0;
      text-align:left;
      background:none;
      border:0;
      border-bottom:1px solid #e8edf4;
      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{
      max-height:0;
      overflow:hidden;
      background:#f6f8fc;
      transition:max-height .3s ease;
    }
    .drawer-submenu.open{max-height:900px}
    .drawer-submenu a{
      display:block;
      padding:10px 14px;
      color:#52627a;
      border-bottom:1px solid #e7ecf3;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme)}

    .category-page{min-height:620px}
    .category-page .category-hero{
      position:relative;
      overflow:hidden;
      padding:74px 0 68px;
      color:#fff;
      background:
        radial-gradient(circle at 15% 25%,rgba(255,255,255,.15),transparent 28%),
        radial-gradient(circle at 86% 10%,rgba(153,188,240,.24),transparent 24%),
        linear-gradient(135deg,#061f4c 0%,#0B3D91 62%,#315fa9 100%);
    }
    .category-page .category-hero::after{
      content:"";
      position:absolute;
      right:-90px;
      bottom:-170px;
      width:380px;
      height:380px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:50%;
      box-shadow:0 0 0 45px rgba(255,255,255,.04),0 0 0 90px rgba(255,255,255,.025);
    }
    .category-page .breadcrumb{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:17px;
      color:#d8e6fb;
      font-size:14px;
    }
    .category-page .breadcrumb a:hover{color:#fff}
    .category-page .category-heading{
      position:relative;
      z-index:1;
      max-width:800px;
      margin:0 auto;
      text-align:center;
    }
    .category-page .category-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:12px;
      padding:6px 13px;
      color:#eaf2ff;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.2);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .category-page .category-heading h1{
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.18;
      letter-spacing:-.035em;
    }
    .category-page .category-heading p{
      max-width:710px;
      margin:17px auto 0;
      color:#dce8fa;
      font-size:16px;
      line-height:1.9;
    }

    .category-page .category-toolbar{
      position:relative;
      z-index:3;
      margin-top:-30px;
    }
    .category-page .toolbar-inner{
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:14px 20px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      box-shadow:var(--shadow);
    }
    .category-page .toolbar-title{
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:800;
    }
    .category-page .toolbar-title::before{
      content:"";
      width:5px;
      height:24px;
      background:linear-gradient(var(--theme),#6d91c9);
      border-radius:99px;
    }
    .category-page .toolbar-links{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:8px;
    }
    .category-page .toolbar-links a{
      padding:7px 12px;
      color:#516077;
      background:#f4f7fb;
      border:1px solid #e5eaf1;
      border-radius:999px;
      font-size:13px;
      font-weight:600;
    }
    .category-page .toolbar-links a:hover{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
    }

    .category-page .article-section{padding:52px 0 76px}
    .category-page .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:23px;
    }
    .category-page .section-head h2{margin:0;font-size:27px;line-height:1.25}
    .category-page .section-head p{margin:5px 0 0;color:var(--muted);font-size:14px}
    .category-page .result-note{
      color:#708098;
      font-size:13px;
      white-space:nowrap;
    }
    .category-page .article-list{display:grid;gap:20px}
    .category-page .article-card{
      min-width:0;
      display:grid;
      grid-template-columns:320px minmax(0,1fr);
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 8px 28px rgba(14,43,86,.05);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .category-page .article-card:hover{
      transform:translateY(-3px);
      border-color:#b9cae5;
      box-shadow:0 15px 34px rgba(11,61,145,.1);
    }
    .category-page .article-cover{
      position:relative;
      min-height:250px;
      overflow:hidden;
      background:#dfe7f3;
    }
    .category-page .article-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .category-page .article-card:hover .article-cover img{transform:scale(1.035)}
    .category-page .article-category{
      position:absolute;
      top:16px;
      left:16px;
      max-width:calc(100% - 32px);
      padding:6px 11px;
      overflow:hidden;
      color:#fff;
      background:rgba(6,40,96,.9);
      border:1px solid rgba(255,255,255,.25);
      border-radius:999px;
      font-size:12px;
      font-weight:700;
      text-overflow:ellipsis;
      white-space:nowrap;
      backdrop-filter:blur(7px);
    }
    .category-page .article-body{
      min-width:0;
      display:flex;
      flex-direction:column;
      padding:25px 27px 23px;
    }
    .category-page .article-title{
      margin:0 0 10px;
      color:#12223a;
      font-size:23px;
      line-height:1.45;
    }
    .category-page .article-title a:hover{color:var(--theme)}
    .category-page .article-summary{
      display:-webkit-box;
      min-height:76px;
      margin:0 0 16px;
      overflow:hidden;
      color:#58677c;
      font-size:15px;
      line-height:1.72;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .category-page .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:7px 17px;
      margin-bottom:12px;
      color:#728097;
      font-size:13px;
    }
    .category-page .article-meta span{
      display:inline-flex;
      align-items:center;
      gap:5px;
    }
    .category-page .article-meta span::before{
      content:"";
      width:5px;
      height:5px;
      flex:0 0 auto;
      background:#91a2bb;
      border-radius:50%;
    }
    .category-page .article-tags{
      min-height:26px;
      margin-bottom:15px;
      color:#476a9f;
      font-size:13px;
      word-break:break-word;
    }
    .category-page .article-tags::before{
      content:"标签：";
      color:#718096;
    }
    .category-page .article-actions{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-top:auto;
      padding-top:14px;
      border-top:1px solid #edf1f5;
    }
    .category-page .article-author{
      min-width:0;
      overflow:hidden;
      color:#6c7b90;
      font-size:13px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .category-page .article-author::before{content:"作者："}
    .category-page .read-more{
      display:inline-flex;
      align-items:center;
      flex:0 0 auto;
      gap:8px;
      color:var(--theme);
      font-size:14px;
      font-weight:800;
    }
    .category-page .read-more::after{
      content:"→";
      transition:transform .2s ease;
    }
    .category-page .read-more:hover::after{transform:translateX(4px)}

    .category-page .pagination{
      display:flex;
      align-items:center;
      justify-content:center;
      flex-wrap:wrap;
      gap:8px;
      margin-top:38px;
    }
    .category-page .pagination a{
      min-width:42px;
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:7px 13px;
      color:#44536a;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
      font-size:14px;
      font-weight:700;
      box-shadow:0 4px 12px rgba(13,40,80,.04);
    }
    .category-page .pagination a:hover,
    .category-page .pagination a.active,
    .category-page .pagination a.current{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
    }

    .category-page .category-note{padding:0 0 76px}
    .category-page .note-panel{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      align-items:center;
      gap:28px;
      padding:31px 35px;
      color:#eaf2ff;
      background:linear-gradient(125deg,#071f49,var(--theme));
      border-radius:18px;
      box-shadow:0 18px 40px rgba(11,61,145,.18);
    }
    .category-page .note-panel h2{margin:0 0 7px;color:#fff;font-size:24px}
    .category-page .note-panel p{max-width:760px;margin:0;color:#d5e3f8;font-size:14px}
    .category-page .note-panel a{
      min-width:128px;
      display:inline-flex;
      min-height:44px;
      align-items:center;
      justify-content:center;
      padding:0 18px;
      color:var(--theme-dark);
      background:#fff;
      border-radius:9px;
      font-weight:800;
    }

    .footer{
      color:#c9d5e7;
      background:#07182f;
      border-top:4px solid var(--theme);
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1.1fr;
      gap:44px;
      padding-top:58px;
      padding-bottom:45px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:390px;
      margin:18px 0 17px;
      color:#aebdd2;
      font-size:14px;
      line-height:1.85;
    }
    .footer-social{color:#fff}
    .footer h3{
      margin:4px 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,
    .footer-contact{
      display:flex;
      flex-direction:column;
      align-items:flex-start;
      gap:9px;
      font-size:14px;
    }
    .footer-links a,
    .footer-contact a{transition:color .2s ease,transform .2s ease}
    .footer-links a:hover,
    .footer-contact a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .footer-contact span{color:#91a3bc}
    .footer-bottom{
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#91a3bc;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    @media (max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .footer-main{grid-template-columns:1.4fr 1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }

    @media (max-width:820px){
      .container{width:min(100% - 28px,1200px)}
      .topbar-welcome{display:none}
      .topbar-inner{justify-content:center}
      .category-page .category-hero{padding:58px 0 60px}
      .category-page .toolbar-inner{
        align-items:flex-start;
        flex-direction:column;
      }
      .category-page .toolbar-links{justify-content:flex-start}
      .category-page .article-card{grid-template-columns:1fr}
      .category-page .article-cover{min-height:230px;max-height:340px}
      .category-page .note-panel{grid-template-columns:1fr}
      .category-page .note-panel a{justify-self:start}
      .footer-main{grid-template-columns:1fr 1fr;gap:34px}
      .footer-brand{grid-column:1/-1}
    }

    @media (max-width:560px){
      .container{width:min(100% - 22px,1200px)}
      .topbar-contact{width:100%;justify-content:space-between;gap:8px}
      .topbar-contact a{font-size:11px}
      .logo span{max-width:125px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .logo img{width:37px;height:37px}
      .header-btns>*:not(.hamburger):not(.open-account){display:none}
      .open-account{min-height:38px;padding:0 13px}
      .category-page .category-heading h1{font-size:34px}
      .category-page .category-heading p{font-size:14px}
      .category-page .category-toolbar{margin-top:-22px}
      .category-page .toolbar-links a{font-size:12px}
      .category-page .article-section{padding-top:40px}
      .category-page .section-head{align-items:flex-start;flex-direction:column}
      .category-page .article-cover{min-height:205px}
      .category-page .article-body{padding:20px 18px}
      .category-page .article-title{font-size:19px}
      .category-page .article-summary{min-height:73px;font-size:14px}
      .category-page .article-actions{align-items:flex-start;flex-direction:column}
      .category-page .note-panel{padding:25px 22px}
      .footer-main{grid-template-columns:1fr;padding-top:44px}
      .footer-brand{grid-column:auto}
      .footer-bottom{
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        padding:17px 0;
      }
    }