:root{
      --theme:#0B3D91;
      --ink:#142033;
      --muted:#6b778b;
      --line:#dfe6ef;
      --soft:#f4f7fb;
      --white:#fff;
      --shadow:0 16px 40px rgba(16,42,80,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f7f9fc;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#0c1d38;color:#dce8fa;font-size:13px}
    .topbar .container{min-height:38px;display:flex;align-items:center;justify-content:space-between}
    .topbar a{color:#dce8fa;margin-left:20px}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--theme);font-weight:800;font-size:19px}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:block;padding:26px 13px;color:#25344b;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"⌄";font-size:12px;margin-left:5px;color:#8490a3}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%);width:280px;padding:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 12px 12px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
    .mega-menu{width:720px}
    .nav-item:hover .dropdown-panel,.nav-item:focus-within .dropdown-panel,.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .dropdown-panel>a:not(.mega-footer){display:block;padding:9px 4px;border-bottom:1px solid #edf1f6;font-size:14px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mega-card{display:block;padding:12px;border:1px solid #e5ebf3;border-radius:9px;background:#fbfcfe;min-height:108px}
    .mega-card:hover{border-color:#a9bddb;background:#f3f7fc}
    .mega-card img{width:36px;height:36px;object-fit:contain;margin-bottom:7px}
    .mega-card strong{display:block;font-size:13px;margin-bottom:4px}
    .mega-card small{display:block;color:var(--muted);font-size:11px;line-height:1.55}
    .mega-footer{display:block;text-align:center;color:var(--theme);font-weight:700;font-size:13px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
    .header-btns{display:flex;align-items:center;gap:14px;white-space:nowrap}
    .account-link{padding:8px 15px;border-radius:6px;background:var(--theme);color:#fff;font-size:13px}
    .hamburger{display:none;width:40px;height:38px;padding:8px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--theme);margin:5px 0;transition:.2s}
    .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;background:rgba(5,18,38,.5);opacity:0;visibility:hidden;z-index:40;transition:.2s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(360px,88vw);background:#fff;z-index:41;transform:translateX(100%);transition:.25s;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:19px;border-bottom:1px solid var(--line);font-weight:700}
    .drawer-head>a{margin-left:auto;color:var(--theme);font-size:14px}
    .drawer-close{border:0;background:transparent;font-size:29px;line-height:1;color:#6d7787;cursor:pointer}
    .drawer-menu{padding:8px 18px 25px}
    .drawer-link,.drawer-toggle{width:100%;display:block;padding:13px 0;border:0;border-bottom:1px solid #edf1f6;background:none;text-align:left;color:var(--ink);cursor:pointer;font-size:15px}
    .drawer-toggle:after{content:"＋";float:right;color:#8b98aa}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:4px 0 8px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:13px}
    .footer{margin-top:70px;background:#0d1d36;color:#d8e2f0;padding:48px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:16px}
    .footer p{margin:0 0 10px;color:#aebed3;font-size:13px}
    .footer a{display:block;color:#aebed3;font-size:13px;margin:7px 0}
    .footer a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:32px;padding-top:17px;color:#9cafc8;font-size:12px}
    .tag-page{padding:62px 0 10px;min-height:520px}
    .tag-page .page-heading{text-align:center;margin-bottom:35px}
    .tag-page .eyebrow{display:inline-block;color:var(--theme);font-size:13px;font-weight:700;letter-spacing:.12em;margin-bottom:8px}
    .tag-page h1{margin:0;color:#10233f;font-size:clamp(28px,4vw,44px);line-height:1.25}
    .tag-page .intro{max-width:680px;margin:13px auto 0;color:var(--muted);font-size:15px}
    .tag-summary{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 25px rgba(28,55,94,.05)}
    .tag-summary strong{color:var(--theme);font-size:18px}
    .tag-summary span{font-size:13px;color:var(--muted)}
    .tag-articles{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .tag-article-card{display:flex;gap:17px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 25px rgba(28,55,94,.05);transition:.2s}
    .tag-article-card:hover{transform:translateY(-3px);border-color:#a9bddb;box-shadow:var(--shadow)}
    .tag-article-card img{width:145px;height:112px;flex:0 0 145px;object-fit:cover;border-radius:8px;background:#eaf0f7}
    .tag-article-body{min-width:0}
    .tag-article-body h2{margin:0 0 7px;font-size:17px;line-height:1.45}
    .tag-article-body h2 a:hover{color:var(--theme)}
    .tag-article-body p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 9px;color:var(--muted);font-size:13px;line-height:1.65}
    .tag-meta{display:flex;flex-wrap:wrap;gap:8px;color:#8390a2;font-size:11px}
    .tag-meta a{color:var(--theme)}
    .tag-more{display:inline-block;margin-top:10px;color:var(--theme);font-size:13px;font-weight:700}
    .pagination{display:flex;justify-content:center;gap:8px;margin-top:35px;flex-wrap:wrap}
    .pagination a{min-width:36px;padding:6px 11px;border:1px solid var(--line);background:#fff;border-radius:6px;text-align:center;font-size:13px;color:#53647b}
    .pagination a:hover,.pagination a.active{background:var(--theme);border-color:var(--theme);color:#fff}
    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{display:block;padding:8px 0}
      .topbar .contact{display:block}
      .topbar a{margin:0 14px 0 0}
      .header-inner{height:68px;gap:10px}
      .logo{font-size:16px}
      .logo img{width:32px;height:32px}
      .account-link{padding:7px 10px;font-size:12px}
      .tag-page{padding-top:42px}
      .tag-summary{display:block}
      .tag-summary span{display:block;margin-top:5px}
      .tag-articles{grid-template-columns:1fr}
      .tag-article-card{display:block}
      .tag-article-card img{width:100%;height:170px;margin-bottom:13px}
      .footer-grid{grid-template-columns:1fr;gap:22px}
    }