:root{
      --theme:#0B3D91;
      --aqua:#0891B2;
      --ink:#17202b;
      --muted:#667085;
      --line:#dce7ee;
      --soft:#f3f8fa;
      --white:#fff;
      --radius:18px;
      --shadow:0 16px 40px rgba(11,61,145,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:Inter,"Noto Sans TC","PingFang HK","Microsoft JhengHei",sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#17202b;color:#d9edf1;font-size:13px}
    .topbar .container{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;gap:20px}
    .topbar a:hover{color:#fff}
    .header{position:relative;z-index:30;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;color:var(--theme);font-size:20px}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;list-style:none;padding:0;margin:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:28px 12px;font-size:14px;font-weight:700;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--aqua)}
    .has-arrow:after{content:"⌄";font-size:14px;color:#83909b}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%) translateY(8px);width:300px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s ease}
    .mega-menu{width:min(680px,calc(100vw - 32px))}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .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>a:not(.mega-footer){display:block;padding:9px 10px;border-bottom:1px solid #edf2f5;font-size:14px}
    .dropdown-panel>a:hover,.mega-card:hover{color:var(--aqua);background:var(--soft)}
    .mega-title{margin:0 0 10px;color:var(--theme);font-size:13px;font-weight:800}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
    .mega-card{display:flex;flex-direction:column;gap:3px;padding:11px;border:1px solid var(--line);border-radius:12px;min-width:0}
    .mega-card strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card small{font-size:11px;color:var(--muted);line-height:1.45}
    .mega-card img{width:22px;height:22px;object-fit:contain}
    .mega-footer{display:block;margin-top:13px;padding-top:11px;border-top:1px solid var(--line);font-size:13px;color:var(--theme);font-weight:800}
    .header-btns{display:flex;align-items:center;gap:9px}
    .member-btn,.open-btn{border-radius:999px;padding:8px 14px;font-size:13px;font-weight:800}
    .member-btn{color:var(--theme);border:1px solid #b9d2e3}
    .open-btn{color:#fff;background:var(--theme)}
    .hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
    .hamburger span{display:block;width:23px;height:2px;margin:5px 0;background:var(--ink);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{display:none;position:fixed;inset:0;background:rgba(12,27,39,.48);z-index:50}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:-360px;width:min(360px,90vw);height:100vh;overflow:auto;background:#fff;z-index:60;transition:right .25s ease;box-shadow:-10px 0 30px rgba(0,0,0,.15)}
    .mobile-drawer.open{right:0}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--line);font-weight:800}
    .drawer-head>a{margin-left:auto;color:var(--theme)}
    .drawer-close{border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer;color:var(--muted)}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf2f5;background:transparent;text-align:left;font-weight:700;color:var(--ink);cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:var(--aqua)}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:4px 0 8px 14px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:70px;background:#17202b;color:#c9d9df;padding:52px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
    .footer-brand strong{font-size:21px;color:#fff}
    .footer p{margin:12px 0;font-size:13px;line-height:1.8}
    .footer h3{margin:0 0 14px;color:#fff;font-size:14px}
    .footer-grid>div:not(.footer-brand) a,.footer-grid>div:not(.footer-brand) span{display:block;margin:8px 0;color:#c9d9df;font-size:13px}
    .footer-grid a:hover{color:#6ed4e2}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:12px;color:#93aab3}
    .article-page{padding:58px 0 10px}
    .article-hero{max-width:900px;margin:0 auto 28px;text-align:center}
    .article-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:6px 13px;border-radius:999px;background:#e5f7fa;color:#087d99;font-size:13px;font-weight:800}
    .article-kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--aqua)}
    .article-title{margin:0;color:var(--ink);font-size:clamp(30px,5vw,56px);line-height:1.18;letter-spacing:-.03em}
    .article-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 20px;margin:18px 0;color:var(--muted);font-size:13px}
    .article-cover{width:100%;max-height:480px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);background:var(--soft)}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 270px;gap:42px;align-items:start;max-width:1120px;margin:38px auto 0}
    .article-content{min-width:0;max-width:100%;overflow-x:auto}
    .article-summary{margin:0 0 26px;padding:20px 22px;border-left:4px solid var(--aqua);border-radius:0 12px 12px 0;background:var(--soft);font-size:17px;color:#40515c}
    .article-body{min-width:0;max-width:100%;overflow-x:auto;font-size:16px;color:#33434d}
    .article-body img,.article-body table{max-width:100%}
    .article-body h2,.article-body h3{color:var(--theme);line-height:1.35;margin-top:32px}
    .article-body a{color:var(--aqua);text-decoration:underline}
    .article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
    .article-tags a{padding:6px 11px;border-radius:999px;background:#edf5f8;color:var(--theme);font-size:12px}
    .article-side{position:sticky;top:20px;padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(23,32,43,.05)}
    .article-side h2{margin:0 0 14px;font-size:16px;color:var(--theme)}
    .article-side p{font-size:13px;color:var(--muted);margin:0 0 15px}
    .article-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:1120px;margin:42px auto 0}
    .article-nav a{display:block;padding:17px;border:1px solid var(--line);border-radius:14px;background:#fff}
    .article-nav a:last-child{text-align:right}
    .article-nav small{display:block;color:var(--aqua);font-weight:800;margin-bottom:4px}
    .article-nav strong{font-size:14px}
    .related{max-width:1120px;margin:48px auto 0}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:15px;margin-bottom:16px}
    .section-heading h2{margin:0;color:var(--theme);font-size:25px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;transition:.2s}
    .related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .related-card img{display:block;width:100%;height:145px;object-fit:cover;background:var(--soft)}
    .related-card-body{padding:15px}
    .related-card h3{margin:0 0 8px;font-size:16px;line-height:1.4}
    .related-card p{margin:0;color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    @media (max-width:900px){
      .main-nav{display:none}
      .hamburger{display:block}
      .member-btn{display:none}
      .article-layout{grid-template-columns:1fr}
      .article-side{position:static}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:620px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .header-inner{min-height:66px;gap:10px}
      .logo{font-size:17px}
      .logo img{width:32px;height:32px}
      .open-btn{padding:7px 11px}
      .article-page{padding-top:35px}
      .article-title{font-size:32px}
      .article-meta{justify-content:flex-start}
      .article-layout{margin-top:25px}
      .article-nav{grid-template-columns:1fr}
      .article-nav a:last-child{text-align:left}
      .related-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }