:root{
      --theme:#0B3D91;
      --theme-token:{主题色};
      --theme-dark:#072861;
      --theme-soft:#edf4ff;
      --gold:#d7ae58;
      --scarlet:#b61d2c;
      --ink:#111827;
      --muted:#64748b;
      --line:#dfe6ef;
      --surface:#ffffff;
      --page:#f5f7fb;
      --shadow:0 18px 45px rgba(15,23,42,.1);
      --radius:18px;
    }

    *{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{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dbe7ff;
      background:#06162f;
      border-bottom:1px solid rgba(255,255,255,.08);
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-contact{display:flex;align-items:center;gap:22px}
    .topbar a{transition:color .2s ease}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:60;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 4px 18px rgba(15,23,42,.04);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:#0b2450;
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .logo span{max-width:180px;line-height:1.25}
    .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%;
      display:flex;
      align-items:center;
      padding:0 13px;
      color:#26364d;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
      transition:color .2s ease,background .2s ease;
    }
    .nav-link:hover,
    .nav-item:focus-within>.nav-link{
      color:var(--theme);
      background:var(--theme-soft);
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin-left:7px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
      transition:transform .2s ease;
    }
    .nav-item:hover .has-arrow::after,
    .nav-item:focus-within .has-arrow::after{
      transform:rotate(225deg) translate(-1px,-1px);
    }
    .nav-item::after{
      content:"";
      position:absolute;
      top:100%;
      left:0;
      width:100%;
      height:14px;
      pointer-events:none;
    }
    .nav-item:hover::after,
    .nav-item:focus-within::after{pointer-events:auto}

    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      z-index:80;
      visibility:hidden;
      opacity:0;
      transform:translateY(12px);
      pointer-events:none;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:0 24px 55px rgba(15,23,42,.16);
      transition:opacity .2s ease,transform .2s ease,visibility .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;
      transform:translateY(0);
      pointer-events:auto;
    }
    .dropdown-panel{
      left:0;
      width:340px;
      padding:20px;
    }
    .dropdown-title{
      margin:0 0 12px;
      color:#0f2345;
      font-weight:800;
    }
    .dropdown-list{display:grid;gap:5px}
    .dropdown-list a{
      padding:10px 12px;
      overflow:hidden;
      color:#475569;
      background:#f7f9fc;
      border-radius:9px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-list a:hover{color:var(--theme);background:var(--theme-soft)}
    .dropdown-more,
    .mega-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-top:14px;
      padding:11px 14px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-weight:700;
    }
    .dropdown-more:hover,
    .mega-footer:hover{background:var(--theme-dark)}

    .mega-menu{
      left:50%;
      width:min(980px,calc(100vw - 50px));
      padding:22px;
      transform:translate(-50%,12px);
    }
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .mega-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:16px;
      padding-bottom:13px;
      border-bottom:1px solid var(--line);
    }
    .mega-head strong{color:#0c2856;font-size:18px}
    .mega-head span{color:var(--muted);font-size:13px}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      display:grid;
      grid-template-columns:48px minmax(0,1fr);
      align-items:center;
      gap:5px 12px;
      padding:12px;
      background:#f8fafc;
      border:1px solid #edf1f6;
      border-radius:12px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#b9cbed;
      box-shadow:0 10px 24px rgba(11,61,145,.1);
    }
    .mega-card img{
      grid-row:1/4;
      width:48px;
      height:48px;
      object-fit:contain;
      border-radius:9px;
      background:#fff;
    }
    .mega-card img.cover{object-fit:cover}
    .mega-card strong{
      min-width:0;
      overflow:hidden;
      color:#15243b;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card p{
      grid-column:2;
      margin:0;
      overflow:hidden;
      color:var(--muted);
      font-size:12px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-meta{
      grid-column:2;
      display:flex;
      flex-wrap:wrap;
      gap:3px 10px;
      color:#718096;
      font-size:11px;
    }
    .mega-categories{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:14px;
    }
    .mega-categories a{
      padding:6px 11px;
      color:#29425f;
      background:#edf3fb;
      border-radius:999px;
      font-size:12px;
    }
    .mega-categories a:hover{color:#fff;background:var(--theme)}
    .mega-videos{left:20%}
    .mega-tools{left:-65%}
    .mega-products{left:-170%}

    .header-btns{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:9px;
    }
    .member-entry{display:flex;align-items:center}
    .member-entry a,
    .account-entry{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:7px 14px;
      border-radius:9px;
      font-size:14px;
      font-weight:700;
    }
    .member-entry a{
      color:var(--theme);
      border:1px solid #adc3e8;
      background:#fff;
    }
    .account-entry{color:#fff;background:var(--theme)}
    .member-entry a:hover{background:var(--theme-soft)}
    .account-entry: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;
      color:inherit;
      background:#f3f6fa;
      border:0;
      border-radius:10px;
    }
    .hamburger span{
      width:20px;
      height:2px;
      background:#14243b;
      border-radius:4px;
      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(2,8,23,.62);
      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,90vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(0,0,0,.2);
      transform:translateX(105%);
      transition:transform .25s 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:#071d43;
    }
    .drawer-head>a,
    .drawer-head>span,
    .drawer-head .member-entry a{
      padding:6px 10px;
      color:#fff;
      border:1px solid rgba(255,255,255,.25);
      border-radius:8px;
      font-size:13px;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#fff;
      background:rgba(255,255,255,.1);
      border:0;
      border-radius:9px;
      font-size:27px;
      line-height:1;
    }
    .drawer-menu{padding:14px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      min-height:48px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:10px 13px;
      color:#1f3048;
      background:transparent;
      border:0;
      border-bottom:1px solid #edf1f5;
      text-align:left;
      font-weight:700;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--theme);
      font-size:21px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 7px 10px 18px;
      background:#f7f9fc;
      border-radius:0 0 10px 10px;
    }
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{
      padding:9px 8px;
      color:#56657a;
      border-bottom:1px dashed #dbe2eb;
      font-size:14px;
    }
    .drawer-submenu a:last-child{border-bottom:0}

    .category-page{min-height:620px}
    .category-page .category-hero{
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        radial-gradient(circle at 82% 18%,rgba(215,174,88,.2),transparent 25%),
        linear-gradient(125deg,#06152e 0%,#0b3d91 58%,#071d43 100%);
    }
    .category-page .category-hero::before,
    .category-page .category-hero::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.11);
      border-radius:50%;
    }
    .category-page .category-hero::before{
      width:360px;
      height:360px;
      right:-100px;
      top:-180px;
    }
    .category-page .category-hero::after{
      width:180px;
      height:180px;
      right:110px;
      bottom:-120px;
    }
    .category-page .category-hero-inner{
      position:relative;
      z-index:1;
      padding:58px 0 62px;
    }
    .category-page .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:18px;
      color:#cad9f1;
      font-size:14px;
    }
    .category-page .breadcrumb a:hover{color:#fff}
    .category-page .category-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 12px;
      color:#ffe4a8;
      background:rgba(0,0,0,.22);
      border:1px solid rgba(215,174,88,.4);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .category-page .category-label::before{
      content:"";
      width:7px;
      height:7px;
      background:var(--scarlet);
      border-radius:50%;
      box-shadow:0 0 0 4px rgba(182,29,44,.2);
    }
    .category-page .category-title{
      max-width:820px;
      margin:15px 0 12px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.16;
      letter-spacing:-.025em;
    }
    .category-page .category-description{
      max-width:760px;
      margin:0;
      color:#dbe7f7;
      font-size:17px;
    }
    .category-page .category-summary{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:25px;
    }
    .category-page .category-summary span{
      padding:7px 12px;
      color:#eaf1ff;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.14);
      border-radius:9px;
      font-size:13px;
    }

    .category-page .content-section{padding:54px 0 72px}
    .category-page .section-heading{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:24px;
    }
    .category-page .section-heading h2{
      margin:0;
      color:#102442;
      font-size:28px;
      line-height:1.3;
    }
    .category-page .section-heading p{
      margin:5px 0 0;
      color:var(--muted);
    }
    .category-page .section-mark{
      flex:0 0 auto;
      padding:7px 12px;
      color:var(--theme);
      background:var(--theme-soft);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .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:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 8px 24px rgba(15,23,42,.045);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .category-page .article-card:hover{
      transform:translateY(-3px);
      border-color:#b8c9e7;
      box-shadow:var(--shadow);
    }
    .category-page .article-cover{
      position:relative;
      min-height:252px;
      overflow:hidden;
      background:#dfe7f2;
    }
    .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 .cover-category{
      position:absolute;
      left:16px;
      bottom:16px;
      max-width:calc(100% - 32px);
      padding:6px 11px;
      overflow:hidden;
      color:#fff;
      background:rgba(6,21,46,.86);
      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(8px);
    }
    .category-page .article-body{
      min-width:0;
      display:flex;
      flex-direction:column;
      padding:24px 27px;
    }
    .category-page .article-kicker{
      display:flex;
      align-items:center;
      gap:8px;
      margin-bottom:7px;
      color:var(--theme);
      font-size:12px;
      font-weight:800;
    }
    .category-page .article-kicker::before{
      content:"";
      width:18px;
      height:2px;
      background:var(--scarlet);
    }
    .category-page .article-title{
      margin:0 0 10px;
      color:#13233a;
      font-size:23px;
      line-height:1.4;
    }
    .category-page .article-title a:hover{color:var(--theme)}
    .category-page .article-summary{
      display:-webkit-box;
      margin:0 0 16px;
      overflow:hidden;
      color:#5d6b7d;
      font-size:15px;
      line-height:1.8;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .category-page .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:7px 17px;
      margin-top:auto;
      padding-top:14px;
      color:#718096;
      border-top:1px solid #edf1f5;
      font-size:13px;
    }
    .category-page .article-meta span{
      display:inline-flex;
      align-items:center;
      min-width:0;
    }
    .category-page .article-tags{
      margin-top:11px;
      color:#6c7788;
      font-size:13px;
      overflow-wrap:anywhere;
    }
    .category-page .article-tags strong{color:#35465d}
    .category-page .article-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      margin-top:15px;
    }
    .category-page .read-more{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:9px 15px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-size:14px;
      font-weight:700;
    }
    .category-page .read-more::after{
      content:"→";
      transition:transform .2s ease;
    }
    .category-page .read-more:hover{background:var(--theme-dark)}
    .category-page .read-more:hover::after{transform:translateX(3px)}

    .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:#35465d;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
      font-weight:700;
    }
    .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 .information-note{
      margin-top:34px;
      padding:20px 23px;
      color:#536174;
      background:#eef4fd;
      border-left:4px solid var(--theme);
      border-radius:0 12px 12px 0;
      font-size:14px;
    }
    .category-page .information-note strong{color:#173767}

    .footer{
      color:#c8d5e8;
      background:#06152e;
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1.1fr;
      gap:42px;
      padding-top:56px;
      padding-bottom:46px;
    }
    .footer .logo{color:#fff}
    .footer .logo img{background:#fff}
    .footer-brand p{
      max-width:420px;
      margin:17px 0 0;
      color:#9eb0c7;
      font-size:14px;
    }
    .footer h3{
      margin:4px 0 16px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,
    .footer-contact{display:grid;gap:9px}
    .footer-links a,
    .footer-contact a{
      color:#adbed2;
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover,
    .footer-contact a:hover{color:#fff;transform:translateX(2px)}
    .footer-social{
      color:#adbed2;
      overflow-wrap:anywhere;
      font-size:14px;
    }
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
    .footer-bottom-inner{
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8295ad;
      font-size:13px;
    }

    @media (max-width:1100px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .category-page .article-card{grid-template-columns:285px minmax(0,1fr)}
      .footer-main{grid-template-columns:1.4fr 1fr 1fr}
      .footer-main>div:last-child{grid-column:1/-1}
    }

    @media (max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{
        padding:7px 0;
        align-items:flex-start;
        flex-direction:column;
        gap:2px;
      }
      .topbar-contact{
        width:100%;
        align-items:flex-start;
        flex-direction:column;
        gap:1px;
      }
      .member-entry{display:none}
      .logo span{max-width:130px;font-size:14px}
      .account-entry{padding:6px 11px}
      .category-page .category-hero-inner{padding:42px 0 47px}
      .category-page .category-title{font-size:36px}
      .category-page .category-description{font-size:15px}
      .category-page .content-section{padding:39px 0 55px}
      .category-page .section-heading{align-items:flex-start;flex-direction:column}
      .category-page .section-heading h2{font-size:24px}
      .category-page .article-card{grid-template-columns:1fr}
      .category-page .article-cover{min-height:210px;aspect-ratio:16/9}
      .category-page .article-body{padding:21px}
      .category-page .article-title{font-size:20px}
      .category-page .article-summary{-webkit-line-clamp:3}
      .category-page .article-actions{justify-content:flex-start}
      .footer-main{grid-template-columns:1fr;gap:28px;padding-top:43px}
      .footer-main>div:last-child{grid-column:auto}
      .footer-bottom-inner{
        padding:16px 0;
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        gap:3px;
      }
    }

    @media (max-width:420px){
      .header-inner{gap:10px}
      .logo img{width:37px;height:37px}
      .account-entry{font-size:13px}
      .category-page .category-title{font-size:31px}
      .category-page .article-cover{min-height:190px}
      .category-page .article-meta{gap:6px 11px}
    }