:root{--primary:#0B3D91;--ink:#17243a;--muted:#64748b;--line:#e3e9f1;--surface:#fff;--wash:#f4f7fb}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--wash);color:var(--ink);font-family:system-ui,-apple-system,"Noto Sans TC","Microsoft JhengHei",sans-serif;line-height:1.65}
    img{max-width:100%;height:auto}
    a{color:inherit;text-decoration:none}
    button{font:inherit}
    .container{width:min(1200px,calc(100% - 40px));margin-inline:auto}
    .topbar{background:#142b4d;color:#e8f0ff;font-size:.82rem}
    .topbar .container,.topbar-links{display:flex;align-items:center;justify-content:space-between;gap:16px}
    .topbar .container{min-height:38px}
    .topbar-links a:hover{color:#fff;text-decoration:underline}
    .header{position:relative;z-index:30;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{display:flex;align-items:center;gap:28px;min-height:78px}
    .logo{display:inline-flex;align-items:center;gap:10px;min-width:0;font-weight:800;color:var(--primary);white-space:nowrap}
    .logo img{width:38px;height:38px;object-fit:contain}
    .logo span{overflow:hidden;text-overflow:ellipsis;max-width:185px}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:inline-flex;align-items:center;gap:5px;padding:27px 9px;font-weight:650;font-size:.91rem;white-space:nowrap}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--primary)}
    .has-arrow::after{content:"";width:5px;height:5px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-left:3px;margin-top:-3px}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:0;display:none;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:0 20px 45px rgba(16,39,77,.15);z-index:40}
    .nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{display:block}
    .dropdown-panel{width:310px;padding:12px}
    .dropdown-panel>a{display:block;padding:10px 12px;border-radius:8px;font-size:.9rem}
    .dropdown-panel>a:hover,.mega-card:hover{background:#eff5ff;color:var(--primary)}
    .mega-menu{width:min(740px,calc(100vw - 48px));padding:20px;left:50%;transform:translateX(-50%)}
    .mega-heading{display:flex;justify-content:space-between;color:var(--primary);font-weight:750;padding-bottom:12px;border-bottom:1px solid var(--line)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:13px;max-height:390px;overflow:auto}
    .mega-card{display:flex;flex-direction:column;gap:5px;min-width:0;padding:13px;border:1px solid var(--line);border-radius:11px}
    .mega-card strong,.mega-card small{overflow-wrap:anywhere}
    .mega-card strong{font-size:.91rem}
    .mega-card small{color:var(--muted);font-size:.77rem;line-height:1.45}
    .mega-card img{width:27px;height:27px;object-fit:contain}
    .mega-footer{display:block;margin-top:12px;padding:11px 12px;border-radius:9px;background:#edf3fc;color:var(--primary);font-weight:700;text-align:center}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member-link{font-size:.87rem;font-weight:650;color:var(--primary)}
    .account-link{padding:9px 16px;border-radius:9px;background:var(--primary);color:#fff;font-size:.88rem;font-weight:700}
    .account-link:hover{background:#082c6a}
    .hamburger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:9px;background:#fff;padding:9px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--ink);margin:4px 0;transition:transform .2s,opacity .2s}
    .hamburger.active span:first-child{transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:last-child{transform:translateY(-6px) rotate(-45deg)}
    .drawer-overlay{position:fixed;inset:0;background:rgba(11,25,45,.55);z-index:60;visibility:hidden;opacity:0;transition:opacity .25s,visibility .25s}
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(380px,90vw);background:#fff;z-index:61;transform:translateX(105%);transition:transform .25s;overflow-y:auto;box-shadow:-12px 0 32px rgba(0,0,0,.12)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:17px 20px;border-bottom:1px solid var(--line);font-weight:700}
    .drawer-head a{color:var(--primary)}
    .drawer-close{border:0;background:transparent;font-size:30px;line-height:1;cursor:pointer}
    .drawer-menu{padding:13px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 4px;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;font-weight:700;color:var(--ink)}
    .drawer-toggle{cursor:pointer}
    .drawer-toggle::after{content:"+";float:right;color:var(--primary)}
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{display:none;padding:6px 0 10px 12px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:9px 5px;color:var(--muted);font-size:.9rem;overflow-wrap:anywhere}
    .drawer-submenu a:hover{color:var(--primary)}
    .footer{background:#142b4d;color:#dbe6f6;padding:56px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
    .footer h2,.footer h3{color:#fff;margin:0 0 15px}
    .footer h2{font-size:1.35rem}
    .footer h3{font-size:1rem}
    .footer p{margin:0;color:#b7c8e1;max-width:350px;font-size:.9rem}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li{margin:0 0 9px;overflow-wrap:anywhere}
    .footer-links a:hover{text-decoration:underline;color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;margin-top:42px;padding-top:19px;border-top:1px solid rgba(255,255,255,.17);font-size:.82rem;color:#b7c8e1}
    .article-page{padding:32px 0 80px}
    .article-page .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:22px;color:var(--muted);font-size:.88rem}
    .article-page .breadcrumb a:hover{color:var(--primary)}
    .article-page .article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:26px}
    .article-page .article-paper,.article-page .side-panel{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 28px rgba(21,45,78,.035)}
    .article-page .article-paper{min-width:0;padding:clamp(23px,4vw,50px)}
    .article-page .eyebrow{display:inline-block;padding:5px 12px;border-radius:30px;background:#eaf1fc;color:var(--primary);font-size:.82rem;font-weight:750}
    .article-page h1{margin:19px 0 17px;font-size:clamp(1.8rem,3.5vw,2.75rem);line-height:1.35;letter-spacing:-.025em;overflow-wrap:anywhere}
    .article-page .article-meta{display:flex;flex-wrap:wrap;gap:8px 19px;padding-bottom:26px;border-bottom:1px solid var(--line);font-size:.87rem;color:var(--muted)}
    .article-page .article-content{min-width:0;max-width:100%;overflow-x:auto;margin:30px 0;color:#334155;font-size:1.02rem;line-height:1.95;overflow-wrap:anywhere}
    .article-page .article-content img,.article-page .article-content video,.article-page .article-content iframe,.article-page .article-content table{max-width:100%}
    .article-page .article-content img{height:auto;border-radius:12px}
    .article-page .article-content h2,.article-page .article-content h3{color:var(--ink);line-height:1.4}
    .article-page .article-content a{color:var(--primary);text-decoration:underline}
    .article-page .article-tags{display:flex;flex-wrap:wrap;gap:9px;align-items:center;border-top:1px solid var(--line);padding-top:22px;font-size:.9rem}
    .article-page .article-tags strong{color:var(--muted)}
    .article-page .article-tags a{color:var(--primary);background:#edf3fc;border-radius:20px;padding:5px 11px}
    .article-page .article-pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:28px}
    .article-page .article-pager a{display:block;min-width:0;padding:16px;border:1px solid var(--line);border-radius:12px;overflow-wrap:anywhere}
    .article-page .article-pager a:hover{border-color:var(--primary);color:var(--primary)}
    .article-page .article-pager span{display:block;margin-bottom:5px;font-size:.81rem;color:var(--muted)}
    .article-page .side-panel{padding:23px}
    .article-page .side-panel h2{margin:0 0 10px;font-size:1.17rem}
    .article-page .side-panel p{margin:0 0 18px;color:var(--muted);font-size:.89rem}
    .article-page .side-panel>a{display:block;padding:12px 15px;background:var(--primary);color:#fff;text-align:center;border-radius:9px;font-weight:700}
    .article-page .related{margin-top:30px}
    .article-page .related h2{font-size:1.45rem;margin:0 0 16px}
    .article-page .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article-page .related-card{display:block;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff}
    .article-page .related-card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#e8eef5}
    .article-page .related-card div{padding:15px}
    .article-page .related-card strong{display:block;line-height:1.5;overflow-wrap:anywhere}
    .article-page .related-card small{display:block;margin-top:9px;color:var(--muted)}
    .article-page .related-card:hover{border-color:var(--primary)}
    @media(max-width:1100px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
    }
    @media(max-width:780px){
      .article-page .article-grid{grid-template-columns:1fr}
      .article-page .side-panel{order:2}
      .article-page .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media(max-width:520px){
      .container{width:min(100% - 28px,1200px)}
      .topbar .container{align-items:flex-start;flex-direction:column;gap:2px;padding-block:8px}
      .topbar-links{flex-wrap:wrap;gap:3px 14px}
      .header-inner{min-height:66px}
      .logo span{max-width:120px}
      .member-link{display:none}
      .account-link{padding:8px 11px}
      .article-page{padding:20px 0 55px}
      .article-page .article-paper{padding:21px}
      .article-page .article-pager,.article-page .related-grid,.footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
    }