:root{--theme:#0B3D91;--ink:#172238;--muted:#68758a;--line:#dfe6ef;--paper:#f7f9fc;--white:#fff}
    *{box-sizing:border-box}
    html,body{margin:0;padding:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#f5f7fa}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{height:38px;background:#12213b;color:#dce7f7;font-size:13px}
    .topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
    .topbar a{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;font-size:18px;font-weight:800;color:var(--theme)}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:stretch;justify-content:center;gap:3px;list-style:none;padding:0;margin:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;min-height:76px;padding:0 14px;font-size:15px;font-weight:600;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;margin:0 0 3px 8px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%) translateY(8px);width:330px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;box-shadow:0 18px 40px #1524401c;opacity:0;visibility:hidden;transition:.2s}
    .mega-menu{width:620px}
    .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;transform:translateX(-50%) translateY(0)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .menu-title{margin:0 0 12px;color:var(--theme);font-weight:800;font-size:14px}
    .menu-list{display:grid;gap:9px}
    .menu-list a{display:block;line-height:1.5;font-size:14px}
    .menu-list a:hover,.mega-card:hover{color:var(--theme)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .mega-card{min-width:0;padding:10px;border:1px solid var(--line);border-radius:8px;font-size:13px;line-height:1.45}
    .mega-card img{width:28px;height:28px;object-fit:contain;margin-bottom:6px}
    .mega-card small{color:var(--muted);font-size:11px}
    .mega-footer{display:block;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member,.open-account{padding:10px 14px;border-radius:6px;font-size:13px}
    .member{color:var(--theme);border:1px solid #b9cae4}
    .open-account{background:var(--theme);color:#fff}
    .hamburger{display:none;width:40px;height:38px;background:none;border:1px solid var(--line);border-radius:6px;padding:8px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--theme);margin:4px 0}
    .drawer-overlay{display:none;position:fixed;inset:0;background:#07142699;z-index:40}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(350px,88vw);background:#fff;z-index:50;transform:translateX(100%);transition:.25s;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:15px;padding:18px;border-bottom:1px solid var(--line);font-weight:700}
    .drawer-head span{flex:1}
    .drawer-head a{padding:7px 11px;background:var(--theme);color:#fff;border-radius:5px;font-size:13px}
    .drawer-close{border:0;background:none;font-size:28px;color:var(--muted);cursor:pointer}
    .drawer-menu{padding:10px 18px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #edf0f5;background:none;text-align:left;color:var(--ink);font-size:15px}
    .drawer-toggle{cursor:pointer;font-weight:600}
    .drawer-toggle:after{content:"＋";float:right;color:var(--theme)}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:4px 0 7px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:9px 0;color:var(--muted);font-size:14px}
    .tag-page{padding:54px 0 75px;min-height:520px}
    .tag-heading{padding:34px 40px;margin-bottom:26px;background:linear-gradient(135deg,#fff,#edf4ff);border:1px solid #dbe6f5;border-radius:14px}
    .eyebrow{margin:0 0 10px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.12em}
    .tag-heading h1{margin:0;font-size:36px;line-height:1.25}
    .tag-heading p{margin:12px 0 0;color:var(--muted);font-size:15px}
    .tag-meta{display:flex;align-items:center;justify-content:space-between;margin:0 0 18px;color:var(--muted);font-size:14px}
    .tag-meta strong{color:var(--theme)}
    .tag-articles{display:grid;gap:16px}
    .tag-article{display:grid;grid-template-columns:230px 1fr;gap:22px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:.2s}
    .tag-article:hover{border-color:#a9c1e4;box-shadow:0 10px 24px #183b6810;transform:translateY(-2px)}
    .tag-cover{height:145px;overflow:hidden;border-radius:8px;background:#eaf0f8}
    .tag-cover img{width:100%;height:100%;object-fit:cover}
    .tag-article h2{margin:2px 0 9px;font-size:20px;line-height:1.4}
    .tag-article h2 a:hover{color:var(--theme)}
    .summary{margin:0 0 13px;color:#5b687b;font-size:14px;line-height:1.8}
    .article-info{display:flex;flex-wrap:wrap;gap:7px 15px;color:#8290a2;font-size:12px}
    .article-info b{color:var(--theme);font-weight:500}
    .article-tags{margin-top:12px;color:var(--theme);font-size:12px}
    .read-link{display:inline-block;margin-top:12px;color:var(--theme);font-size:13px;font-weight:700}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:32px}
    .pagination a{min-width:34px;padding:9px 12px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-size:13px}
    .pagination a:hover,.pagination a.active{background:var(--theme);border-color:var(--theme);color:#fff}
    .footer{padding:48px 0 0;background:#101d32;color:#c5d0df}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer h3{margin:0 0 17px;color:#fff;font-size:16px}
    .footer p{margin:0 0 10px;font-size:13px;line-height:1.9}
    .footer-grid a{display:block;margin:0 0 10px;color:#c5d0df;font-size:13px}
    .footer-grid a:hover{color:#fff}
    .footer-bottom{margin-top:38px;padding:18px 0;border-top:1px solid #ffffff1c;color:#91a0b5;font-size:12px;text-align:center}
    @media(max-width:980px){
      .main-nav{display:none}.hamburger{display:block}.header-inner{justify-content:space-between}.header-btns{margin-left:auto}.nav-list{display:none}
      .mega-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:680px){
      .container{width:min(100% - 28px,1180px)}
      .topbar{height:auto;padding:9px 0}.topbar .container{display:block;line-height:1.8}
      .topbar .container span{display:block}
      .logo{min-width:0}.logo span{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .member{display:none}.open-account{padding:9px 10px}
      .tag-page{padding:30px 0 50px}.tag-heading{padding:25px 22px}.tag-heading h1{font-size:28px}
      .tag-article{grid-template-columns:1fr;gap:14px}.tag-cover{height:180px}.tag-article h2{font-size:18px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:420px){
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
      .tag-cover{height:155px}
    }