:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#072b68;
      --theme-soft:#eaf1fc;
      --accent:#d81b60;
      --text:#182235;
      --muted:#687386;
      --line:#e4e9f1;
      --surface:#fff;
      --page:#f5f7fa;
      --shadow:0 14px 38px rgba(18,38,72,.09);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:var(--page);
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      line-height:1.65;
    }
    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(1200px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dce8ff;
      background:#061d47;
      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:80;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 20px rgba(20,39,73,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--theme);
      font-size:20px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .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;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{position:relative;display:flex;align-items:stretch}
    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      gap:6px;
      padding:0 13px;
      color:#26334a;
      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:var(--theme-soft);
    }
    .nav-link.has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px 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%;
      z-index:90;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(8px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 24px 55px rgba(16,36,70,.16);
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-10px;
      height:10px;
    }
    .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:320px;
      padding:16px;
      border-radius:0 0 15px 15px;
    }
    .dropdown-title{
      display:block;
      margin:2px 8px 9px;
      color:var(--muted);
      font-size:12px;
      font-weight:700;
    }
    .dropdown-panel>a:not(.dropdown-main){
      display:block;
      padding:9px 8px;
      overflow:hidden;
      color:#29364b;
      font-size:14px;
      white-space:nowrap;
      text-overflow:ellipsis;
      border-radius:7px;
    }
    .dropdown-panel>a:not(.dropdown-main):hover{color:var(--theme);background:var(--theme-soft)}
    .dropdown-main,.mega-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-top:10px;
      padding:11px 13px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-size:14px;
      font-weight:700;
    }
    .mega-menu{
      left:50%;
      width:min(960px,calc(100vw - 48px));
      padding:22px;
      border-radius:0 0 18px 18px;
      transform:translate(-50%,8px);
    }
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .nav-item:nth-last-child(-n+3) .mega-menu{left:auto;right:-120px;transform:translateY(8px)}
    .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-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      padding-bottom:15px;
      border-bottom:1px solid var(--line);
    }
    .mega-head strong{color:var(--theme-dark);font-size:18px}
    .mega-head span{color:var(--muted);font-size:13px;text-align:right}
    .mega-categories{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}
    .mega-categories a{
      padding:6px 12px;
      color:var(--theme);
      background:var(--theme-soft);
      border-radius:999px;
      font-size:13px;
      font-weight:650;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:16px;
    }
    .mega-card{
      min-width:0;
      padding:14px;
      background:#f8fafc;
      border:1px solid #e8edf4;
      border-radius:12px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#b8c9e7;
      box-shadow:0 9px 22px rgba(23,52,97,.08);
    }
    .mega-card-top{display:flex;align-items:center;gap:10px;min-width:0}
    .mega-card-top img{
      flex:0 0 auto;
      width:38px;
      height:38px;
      object-fit:contain;
      background:#fff;
      border-radius:8px;
    }
    .mega-card-top>div,.mega-card-top strong{min-width:0}
    .mega-card strong{
      display:block;
      overflow:hidden;
      color:#1d2a40;
      font-size:14px;
      white-space:nowrap;
      text-overflow:ellipsis;
    }
    .mega-card p{
      display:-webkit-box;
      margin:9px 0 0;
      overflow:hidden;
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .mega-rating,.mega-video-duration{
      display:block;
      color:var(--accent);
      font-size:12px;
      font-weight:700;
    }
    .mega-meta{
      display:flex;
      flex-wrap:wrap;
      gap:5px 10px;
      margin-top:10px;
      color:var(--muted);
      font-size:11px;
    }
    .mega-video-card{display:grid;grid-template-columns:90px minmax(0,1fr);gap:11px}
    .mega-video-card>img{
      width:90px;
      height:65px;
      object-fit:cover;
      border-radius:8px;
    }
    .mega-video-copy{min-width:0}
    .mega-video-copy p{margin-top:4px}
    .mega-footer{justify-content:center}

    .header-btns{display:flex;align-items:center;gap:9px;margin-left:4px}
    .member-entry{white-space:nowrap}
    .member-entry a,.account-entry{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:39px;
      padding:0 15px;
      border-radius:9px;
      font-size:14px;
      font-weight:700;
    }
    .member-entry a{
      color:var(--theme);
      background:#fff;
      border:1px solid #b8c9e7;
    }
    .account-entry{color:#fff;background:var(--theme)}
    .account-entry:hover{background:var(--theme-dark)}
    .hamburger{
      display:none;
      width:42px;
      height:42px;
      padding:9px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
      cursor:pointer;
    }
    .hamburger span{
      display:block;
      width:100%;
      height:2px;
      margin:5px 0;
      background:var(--theme);
      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:120;
      visibility:hidden;
      opacity:0;
      background:rgba(4,15,36,.58);
      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:130;
      width:min(390px,90vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(5,24,57,.22);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      position:sticky;
      top:0;
      z-index:2;
      min-height:72px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 18px;
      color:#fff;
      background:var(--theme);
    }
    .drawer-head>a,.drawer-head .member-entry a{
      display:inline-flex;
      padding:7px 11px;
      color:#fff;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.28);
      border-radius:8px;
      font-size:13px;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#fff;
      background:transparent;
      border:0;
      font-size:30px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:12px 18px 28px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 5px;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      color:#223049;
      font-weight:700;
      text-align:left;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--theme);
      font-size:21px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 0 8px 13px;
      border-left:2px solid var(--theme-soft);
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:9px 10px;
      color:var(--muted);
      font-size:14px;
      border-radius:7px;
    }
    .drawer-submenu a:hover{color:var(--theme);background:var(--theme-soft)}

    .category-page{min-width:0}
    .category-page .category-hero{
      position:relative;
      overflow:hidden;
      padding:68px 0 62px;
      color:#fff;
      background:
        radial-gradient(circle at 82% 12%,rgba(216,27,96,.22),transparent 29%),
        linear-gradient(135deg,#061d47 0%,#0B3D91 63%,#164ea6 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:310px;height:310px;right:7%;top:-180px}
    .category-page .category-hero::after{width:180px;height:180px;right:18%;bottom:-125px}
    .category-page .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:18px;
      color:#c9d8f4;
      font-size:14px;
    }
    .category-page .breadcrumb a:hover{color:#fff}
    .category-page .category-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
      color:#ffd4e4;
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .category-page .category-kicker::before{
      content:"";
      width:25px;
      height:3px;
      background:#f04a86;
      border-radius:99px;
    }
    .category-page .category-hero h1{
      max-width:800px;
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.18;
      letter-spacing:-.02em;
    }
    .category-page .category-hero p{
      max-width:750px;
      margin:18px 0 0;
      color:#dce7fa;
      font-size:17px;
      line-height:1.9;
    }
    .category-page .category-stats{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:25px;
    }
    .category-page .category-stats span{
      padding:7px 13px;
      color:#e7effd;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.18);
      border-radius:999px;
      font-size:13px;
      backdrop-filter:blur(7px);
    }

    .category-page .content-section{padding:52px 0 76px}
    .category-page .content-toolbar{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:24px;
    }
    .category-page .section-heading h2{
      margin:0;
      color:#142139;
      font-size:27px;
      line-height:1.3;
    }
    .category-page .section-heading p{margin:6px 0 0;color:var(--muted);font-size:14px}
    .category-page .topic-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}
    .category-page .topic-links a{
      padding:7px 12px;
      color:#435069;
      background:#fff;
      border:1px solid var(--line);
      border-radius:999px;
      font-size:13px;
    }
    .category-page .topic-links a:hover{color:var(--theme);border-color:#aebfdd}

    .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(22,44,80,.05);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .category-page .article-card:hover{
      transform:translateY(-3px);
      border-color:#bdcae0;
      box-shadow:var(--shadow);
    }
    .category-page .article-cover{
      position:relative;
      min-height:250px;
      overflow:hidden;
      background:#dfe7f4;
    }
    .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;
      left:16px;
      top:16px;
      max-width:calc(100% - 32px);
      padding:6px 11px;
      overflow:hidden;
      color:#fff;
      background:rgba(216,27,96,.94);
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
      text-overflow:ellipsis;
      box-shadow:0 6px 16px rgba(116,9,49,.2);
    }
    .category-page .article-body{
      min-width:0;
      display:flex;
      flex-direction:column;
      padding:25px 28px 23px;
    }
    .category-page .article-body h2{
      margin:0;
      color:#17243a;
      font-size:23px;
      line-height:1.45;
    }
    .category-page .article-body h2 a:hover{color:var(--theme)}
    .category-page .article-summary{
      display:-webkit-box;
      margin:12px 0 14px;
      overflow:hidden;
      color:#596579;
      font-size:15px;
      line-height:1.85;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .category-page .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px 17px;
      margin-top:auto;
      color:#7a8495;
      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:#a9b6c9;
      border-radius:50%;
    }
    .category-page .article-tags{
      margin-top:13px;
      color:#627089;
      font-size:13px;
      overflow-wrap:anywhere;
    }
    .category-page .article-tags strong{color:#34435a}
    .category-page .article-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-top:17px;
      padding-top:15px;
      border-top:1px solid #edf0f5;
    }
    .category-page .article-author{
      min-width:0;
      overflow:hidden;
      color:#687386;
      font-size:13px;
      white-space:nowrap;
      text-overflow:ellipsis;
    }
    .category-page .read-more{
      flex:0 0 auto;
      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;
      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:#445169;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
      font-size:14px;
      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 .category-note{
      margin-top:44px;
      padding:24px 28px;
      color:#506078;
      background:#edf3fc;
      border-left:4px solid var(--theme);
      border-radius:4px 14px 14px 4px;
      font-size:14px;
    }
    .category-page .category-note strong{display:block;margin-bottom:4px;color:var(--theme-dark);font-size:16px}

    .footer{color:#cbd7eb;background:#071b3d}
    .footer-main{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1.15fr;
      gap:42px;
      padding-top:58px;
      padding-bottom:42px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{max-width:390px;margin:18px 0;color:#aebbd0;font-size:14px}
    .footer h2{margin:3px 0 16px;color:#fff;font-size:16px}
    .footer-links,.footer-contact{display:grid;gap:9px}
    .footer-links a,.footer-contact span{color:#aebbd0;font-size:14px}
    .footer a:hover{color:#fff}
    .footer-social{display:flex;flex-wrap:wrap;gap:10px 16px;font-size:13px}
    .footer-contact a{color:#dce7f8}
    .footer-bottom{
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8494ad;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }
    .footer-bottom-links{display:flex;gap:18px}

    @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:290px minmax(0,1fr)}
    }
    @media (max-width:850px){
      .topbar-welcome{display:none}
      .topbar-inner{justify-content:center}
      .category-page .content-toolbar{align-items:flex-start;flex-direction:column}
      .category-page .topic-links{justify-content:flex-start}
      .category-page .article-card{grid-template-columns:1fr}
      .category-page .article-cover{min-height:0;aspect-ratio:16/8}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media (max-width:620px){
      .container{width:min(100% - 28px,1200px)}
      .topbar-contact{width:100%;justify-content:space-between;gap:10px}
      .topbar-contact a{font-size:12px}
      .logo span{max-width:125px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
      .member-entry{display:none}
      .account-entry{min-height:38px;padding:0 12px}
      .category-page .category-hero{padding:46px 0 44px}
      .category-page .category-hero p{font-size:15px}
      .category-page .content-section{padding:38px 0 56px}
      .category-page .article-cover{aspect-ratio:16/10}
      .category-page .article-body{padding:20px}
      .category-page .article-body h2{font-size:20px}
      .category-page .article-summary{-webkit-line-clamp:3}
      .category-page .article-footer{align-items:flex-start;flex-direction:column}
      .category-page .read-more{width:100%;justify-content:space-between}
      .category-page .category-note{padding:20px}
      .footer-main{grid-template-columns:1fr;gap:30px;padding-top:44px}
      .footer-bottom{align-items:flex-start;flex-direction:column;padding-top:20px;padding-bottom:20px}
    }