:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#072a65;
      --theme-light:#eaf1fc;
      --blue-soft:#f2f6fd;
      --ink:#172033;
      --muted:#667085;
      --line:#e3e8ef;
      --surface:#ffffff;
      --page:#f5f7fa;
      --shadow:0 16px 42px rgba(16,35,70,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--page);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",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{font:inherit}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dbe7fb;
      background:#061d43;
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-contact{display:flex;align-items:center;gap:20px}
    .topbar a{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 4px 18px rgba(16,35,70,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:160px;
      color:var(--theme);
      font-size:19px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{align-self:stretch;display:flex;align-items:stretch;margin-left:auto}
    .nav-list{
      display:flex;
      align-items:stretch;
      gap:2px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:stretch;
    }
    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      gap:7px;
      padding:0 13px;
      color:#263249;
      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;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      right:13px;
      bottom:15px;
      left:13px;
      height:2px;
      background:var(--theme);
      transform:scaleX(0);
      transition:transform .2s ease;
    }
    .nav-link:hover::after,.nav-item:focus-within>.nav-link::after{transform:scaleX(1)}
    .nav-link.has-arrow{padding-right:25px}
    .nav-link.has-arrow::before{
      content:"";
      position:absolute;
      right:11px;
      top:50%;
      width:6px;
      height:6px;
      margin-top:-5px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .nav-item:hover .nav-link.has-arrow::before,
    .nav-item:focus-within .nav-link.has-arrow::before{
      transform:translateY(3px) rotate(225deg);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:80;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translate(-50%,10px);
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:0 22px 50px rgba(13,37,76,.16);
      transition:opacity .18s ease,transform .18s ease,visibility .18s 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;
      pointer-events:auto;
      transform:translate(-50%,0);
    }
    .dropdown-panel{
      width:310px;
      padding:12px;
    }
    .dropdown-panel>a:not(.dropdown-footer){
      display:block;
      padding:10px 12px;
      overflow:hidden;
      color:#344054;
      border-radius:9px;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-panel>a:not(.dropdown-footer):hover{color:var(--theme);background:var(--theme-light)}
    .dropdown-footer,.mega-footer{
      display:block;
      margin-top:8px;
      padding:11px 13px;
      color:var(--theme);
      background:#eff5ff;
      border-radius:9px;
      font-size:14px;
      font-weight:750;
      text-align:center;
    }
    .mega-menu{
      width:min(900px,calc(100vw - 48px));
      padding:22px;
    }
    .nav-item:nth-child(4) .mega-menu{left:40%}
    .nav-item:nth-child(5) .mega-menu{left:10%}
    .nav-item:nth-child(6) .mega-menu{left:-120%}
    .mega-title{
      margin:0 0 13px;
      color:#15223a;
      font-size:15px;
      font-weight:800;
    }
    .mega-grid{display:grid;gap:12px}
    .mega-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
    .mega-card{
      min-width:0;
      display:flex;
      align-items:center;
      gap:11px;
      padding:12px;
      border:1px solid var(--line);
      border-radius:12px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#a9c2eb;
      box-shadow:0 10px 22px rgba(11,61,145,.09);
    }
    .mega-card>img{
      flex:0 0 auto;
      width:48px;
      height:48px;
      object-fit:cover;
      border-radius:10px;
      background:#edf2f8;
    }
    .mega-card>span{min-width:0;display:block}
    .mega-card strong{
      display:block;
      overflow:hidden;
      color:#1c2940;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card small{
      display:-webkit-box;
      margin-top:3px;
      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:4px 8px;
      margin-top:6px;
      color:#52617a;
      font-size:11px;
    }
    .mega-category-list{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:15px;
    }
    .mega-category-list a{
      padding:6px 11px;
      color:#344054;
      background:#f3f5f8;
      border-radius:999px;
      font-size:12px;
    }
    .mega-category-list a:hover{color:#fff;background:var(--theme)}
    .header-btns{display:flex;align-items:center;gap:10px}
    .account-entry{display:inline-flex;align-items:center}
    .open-account{
      display:inline-flex;
      min-height:40px;
      align-items:center;
      justify-content:center;
      padding:0 18px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-size:14px;
      font-weight:750;
      box-shadow:0 8px 18px rgba(11,61,145,.18);
      transition:background .2s ease,transform .2s ease;
    }
    .open-account:hover{background:var(--theme-dark);transform:translateY(-1px)}
    .hamburger{
      display:none;
      width:42px;
      height:42px;
      padding:9px;
      border:1px solid var(--line);
      border-radius:10px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      display:block;
      width:100%;
      height:2px;
      margin:5px 0;
      background:#172033;
      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(5,16,34,.56);
      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,90vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-18px 0 48px rgba(7,26,58,.18);
      transform:translateX(105%);
      transition:transform .25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      position:sticky;
      top:0;
      z-index:2;
      min-height:70px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 18px;
      background:#fff;
      border-bottom:1px solid var(--line);
    }
    .drawer-head>a{
      padding:8px 13px;
      color:#fff;
      background:var(--theme);
      border-radius:8px;
      font-size:14px;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      padding:0;
      color:#344054;
      background:#f2f4f7;
      border:0;
      border-radius:9px;
      font-size:28px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:12px 18px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      min-height:48px;
      align-items:center;
      padding:10px 4px;
      color:#25324a;
      background:transparent;
      border:0;
      border-bottom:1px solid #edf0f4;
      font-weight:700;
      text-align:left;
      cursor:pointer;
    }
    .drawer-toggle{position:relative}
    .drawer-toggle::after{
      content:"+";
      position:absolute;
      right:5px;
      color:var(--theme);
      font-size:20px;
      font-weight:500;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 0 9px 13px;
      border-bottom:1px solid #edf0f4;
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:8px 10px;
      color:#59677e;
      border-left:2px solid #dbe5f5;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme);background:#f5f8fd}

    .category-page{min-height:650px}
    .category-page .category-hero{
      position:relative;
      overflow:hidden;
      padding:72px 0 68px;
      color:#fff;
      background:
        radial-gradient(circle at 15% 18%,rgba(89,148,238,.34),transparent 30%),
        radial-gradient(circle at 86% 76%,rgba(47,104,197,.30),transparent 32%),
        linear-gradient(135deg,#071e47 0%,#0B3D91 58%,#134fa4 100%);
    }
    .category-page .category-hero::before,
    .category-page .category-hero::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
    }
    .category-page .category-hero::before{
      width:310px;
      height:310px;
      top:-175px;
      right:8%;
    }
    .category-page .category-hero::after{
      width:190px;
      height:190px;
      right:21%;
      bottom:-125px;
    }
    .category-page .breadcrumb{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin-bottom:20px;
      color:#d8e5fa;
      font-size:14px;
    }
    .category-page .breadcrumb a:hover{color:#fff;text-decoration:underline}
    .category-page .category-heading{
      position:relative;
      z-index:1;
      max-width:800px;
    }
    .category-page .category-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:12px;
      color:#d9e7fc;
      font-size:13px;
      font-weight:750;
      letter-spacing:.08em;
    }
    .category-page .category-kicker::before{
      content:"";
      width:8px;
      height:8px;
      background:#82b5ff;
      border-radius:50%;
      box-shadow:0 0 0 5px rgba(130,181,255,.16);
    }
    .category-page h1{
      margin:0;
      font-size:clamp(34px,5vw,56px);
      line-height:1.15;
      letter-spacing:-.025em;
    }
    .category-page .category-description{
      max-width:740px;
      margin:18px 0 0;
      color:#dce8fa;
      font-size:17px;
      line-height:1.85;
    }
    .category-page .category-toolbar{
      position:relative;
      z-index:3;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-top:-28px;
      padding:18px 22px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow);
    }
    .category-page .toolbar-title{
      display:flex;
      align-items:center;
      gap:11px;
      margin:0;
      color:#17233a;
      font-size:16px;
      font-weight:800;
    }
    .category-page .toolbar-title::before{
      content:"";
      width:5px;
      height:22px;
      background:var(--theme);
      border-radius:999px;
    }
    .category-page .toolbar-links{display:flex;flex-wrap:wrap;gap:8px}
    .category-page .toolbar-links a{
      padding:7px 12px;
      color:#526078;
      background:#f3f5f8;
      border-radius:999px;
      font-size:13px;
      transition:color .2s ease,background .2s ease;
    }
    .category-page .toolbar-links a:hover{color:#fff;background:var(--theme)}
    .category-page .article-section{padding:48px 0 78px}
    .category-page .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:22px;
    }
    .category-page .section-head h2{
      margin:0;
      color:#17233a;
      font-size:27px;
      line-height:1.25;
    }
    .category-page .section-head p{margin:6px 0 0;color:var(--muted);font-size:14px}
    .category-page .search-link{
      flex:0 0 auto;
      color:var(--theme);
      font-size:14px;
      font-weight:750;
    }
    .category-page .search-link:hover{text-decoration:underline}
    .category-page .article-list{display:grid;gap:20px}
    .category-page .article-card{
      display:grid;
      grid-template-columns:310px minmax(0,1fr);
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 8px 24px rgba(17,38,74,.055);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .category-page .article-card:hover{
      transform:translateY(-3px);
      border-color:#b9ccea;
      box-shadow:0 18px 36px rgba(17,38,74,.10);
    }
    .category-page .article-cover{
      position:relative;
      display:block;
      min-height:255px;
      overflow:hidden;
      background:#e9eef5;
    }
    .category-page .article-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .4s ease;
    }
    .category-page .article-card:hover .article-cover img{transform:scale(1.035)}
    .category-page .article-category{
      position:absolute;
      top:16px;
      left:16px;
      padding:6px 11px;
      color:#fff;
      background:rgba(11,61,145,.92);
      border:1px solid rgba(255,255,255,.25);
      border-radius:999px;
      box-shadow:0 5px 15px rgba(0,0,0,.15);
      font-size:12px;
      font-weight:750;
      backdrop-filter:blur(5px);
    }
    .category-page .article-body{
      min-width:0;
      display:flex;
      flex-direction:column;
      padding:25px 27px 23px;
    }
    .category-page .article-title{
      margin:0;
      color:#17233a;
      font-size:23px;
      line-height:1.42;
      letter-spacing:-.01em;
    }
    .category-page .article-title a{transition:color .2s ease}
    .category-page .article-title a:hover{color:var(--theme)}
    .category-page .article-summary{
      display:-webkit-box;
      margin:12px 0 15px;
      overflow:hidden;
      color:#5c687b;
      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:#788397;
      border-top:1px solid #edf0f4;
      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;
      background:#9aabc1;
      border-radius:50%;
    }
    .category-page .article-tags{
      margin-top:11px;
      color:#60708a;
      font-size:13px;
      overflow-wrap:anywhere;
    }
    .category-page .article-tags strong{color:#344054}
    .category-page .article-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      margin-top:14px;
    }
    .category-page .read-more{
      display:inline-flex;
      align-items:center;
      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;
      flex-wrap:wrap;
      align-items:center;
      justify-content:center;
      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:8px 13px;
      color:#46536a;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      font-size:14px;
      font-weight:700;
      transition:color .2s ease,background .2s ease,border-color .2s ease;
    }
    .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{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      margin-top:42px;
      padding:26px 30px;
      color:#fff;
      background:linear-gradient(135deg,#092e6e,#0B3D91);
      border-radius:18px;
      box-shadow:0 16px 38px rgba(11,61,145,.18);
    }
    .category-page .category-note h2{margin:0 0 5px;font-size:21px}
    .category-page .category-note p{margin:0;color:#dbe8fb;font-size:14px}
    .category-page .category-note a{
      flex:0 0 auto;
      display:inline-flex;
      min-height:44px;
      align-items:center;
      justify-content:center;
      padding:0 18px;
      color:var(--theme);
      background:#fff;
      border-radius:10px;
      font-size:14px;
      font-weight:800;
    }

    .footer{
      color:#cad5e7;
      background:#071a3a;
    }
    .footer-main{padding:58px 0 38px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr .85fr .85fr 1.15fr;
      gap:42px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:390px;
      margin:18px 0;
      color:#aebcd1;
      font-size:14px;
      line-height:1.85;
    }
    .footer-social{color:#aebcd1;font-size:14px}
    .footer h3{margin:5px 0 17px;color:#fff;font-size:16px}
    .footer-links,.footer-contact{display:grid;gap:10px}
    .footer-links a,.footer-contact a{
      color:#b9c6d9;
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover,.footer-contact a:hover{color:#fff;transform:translateX(2px)}
    .footer-contact span{color:#94a5bd;font-size:13px;line-height:1.7}
    .footer-bottom{
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8fa0b8;
      border-top:1px solid rgba(255,255,255,.10);
      font-size:13px;
    }
    .footer-bottom-links{display:flex;gap:18px}
    .footer-bottom-links a:hover{color:#fff}

    @media (max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .category-page .article-card{grid-template-columns:280px minmax(0,1fr)}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:820px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-welcome{display:none}
      .topbar-inner{justify-content:flex-end}
      .category-page .category-hero{padding:52px 0 58px}
      .category-page .category-toolbar{align-items:flex-start;flex-direction:column}
      .category-page .article-card{grid-template-columns:1fr}
      .category-page .article-cover{min-height:0;aspect-ratio:16/9}
      .category-page .article-body{padding:22px}
      .category-page .category-note{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:560px){
      .container{width:min(100% - 22px,1180px)}
      .topbar-inner{min-height:40px}
      .topbar-contact{width:100%;justify-content:space-between;gap:8px;font-size:11px}
      .header .logo{min-width:0}
      .header .logo span{max-width:125px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .header .account-entry,.header .open-account{display:none}
      .category-page .category-hero{padding:42px 0 50px}
      .category-page .category-description{font-size:15px}
      .category-page .category-toolbar{margin-top:-20px;padding:16px}
      .category-page .article-section{padding:38px 0 58px}
      .category-page .section-head{align-items:flex-start;flex-direction:column}
      .category-page .article-title{font-size:20px}
      .category-page .article-summary{-webkit-line-clamp:3}
      .category-page .article-meta{gap:7px 11px}
      .category-page .category-note{padding:23px 20px}
      .footer-main{padding:45px 0 30px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .footer-bottom{align-items:flex-start;flex-direction:column;padding:19px 0}
    }