:root{
      --theme:#0B3D91;
      --ink:#172033;
      --muted:#667085;
      --line:#e5eaf1;
      --paper:#f7f9fc;
      --white:#fff;
      --shadow:0 18px 48px rgba(13,37,72,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans TC","Microsoft JhengHei",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:#10213d;color:#dbe7f7;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{color:#dbe7f7}
    .header{position:relative;z-index:20;background:rgba(255,255,255,.96);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;min-width:max-content;font-size:19px;font-weight:800;color:var(--theme)}
    .logo img{width:36px;height:36px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:5px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:26px 12px;font-size:15px;font-weight:650;white-space:nowrap}
    .nav-link:hover{color:var(--theme)}
    .has-arrow:after{content:"⌄";font-size:13px;color:#8290a5}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%) translateY(8px);width:300px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s ease;pointer-events:none}
    .mega-menu{width:650px}
    .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);pointer-events:auto}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;height:12px;top:-12px}
    .dropdown-panel>a:not(.mega-footer){display:block;padding:9px 10px;border-radius:8px;font-size:14px}
    .dropdown-panel>a:not(.mega-footer):hover{background:#eef4fc;color:var(--theme)}
    .mega-heading{display:flex;justify-content:space-between;padding:4px 5px 12px;color:var(--theme);font-size:13px;font-weight:800}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;max-height:390px;overflow:auto}
    .mega-card{display:flex;flex-direction:column;gap:2px;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fbfcfe}
    .mega-card:hover{border-color:#9db7dd;background:#f2f7ff}
    .mega-card img{width:24px;height:24px;object-fit:contain;margin-bottom:3px}
    .mega-card strong{font-size:13px;color:var(--ink)}
    .mega-card small{font-size:11px;color:var(--muted);line-height:1.5}
    .mega-footer{display:block;margin-top:12px;padding-top:11px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:750}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member-link{color:var(--theme);font-size:14px;font-weight:700}
    .account-link{padding:9px 15px;border-radius:9px;background:var(--theme);color:#fff;font-size:14px;font-weight:700}
    .hamburger{display:none;width:42px;height:42px;padding:9px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:5px 0;background:var(--theme);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(7,19,39,.48);opacity:0;visibility:hidden;z-index:40;transition:.2s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(390px,88vw);background:#fff;z-index:41;transform:translateX(105%);transition:.25s ease;overflow:auto;box-shadow:-15px 0 45px rgba(0,0,0,.16)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:14px;padding:20px;border-bottom:1px solid var(--line);font-weight:800;color:var(--theme)}
    .drawer-head>a{margin-left:auto;padding:6px 12px;background:var(--theme);color:#fff;border-radius:7px;font-size:13px}
    .drawer-close{border:0;background:transparent;color:#64748b;font-size:28px;line-height:1;cursor:pointer}
    .drawer-menu{padding:10px 20px 28px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;color:var(--ink);font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:#8a98ab}
    .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;padding:54px 0 20px;background:#10213d;color:#ced9e9}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer h2,.footer h3{margin:0 0 13px;color:#fff}
    .footer h2{font-size:21px}
    .footer h3{font-size:15px}
    .footer p{margin:0;color:#aebbd0;font-size:14px}
    .footer-links{margin:0;padding:0;list-style:none}
    .footer-links li{margin:7px 0;font-size:13px;color:#aebbd0}
    .footer-links a:hover{color:#fff}
    .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:#91a2bc}
    .tag-page{padding:64px 0 10px}
    .tag-heading{text-align:center;margin-bottom:38px}
    .tag-kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;background:#e6eef9;color:var(--theme);font-size:13px;font-weight:800}
    .tag-kicker:before{content:"#";font-size:17px}
    .tag-heading h1{margin:17px 0 8px;font-size:clamp(30px,5vw,52px);letter-spacing:.02em;color:#142846}
    .tag-heading p{margin:0;color:var(--muted);font-size:15px}
    .tag-heading strong{color:var(--theme)}
    .tag-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}
    .tag-articles{display:grid;gap:18px}
    .tag-article-card{display:grid;grid-template-columns:230px minmax(0,1fr);gap:20px;padding:17px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 25px rgba(22,45,80,.05)}
    .tag-article-card:hover{border-color:#a4badb;box-shadow:var(--shadow)}
    .tag-article-cover{height:165px;border-radius:12px;overflow:hidden;background:#eaf0f7}
    .tag-article-cover img{width:100%;height:100%;object-fit:cover}
    .tag-article-body{min-width:0;display:flex;flex-direction:column}
    .tag-article-label{color:var(--theme);font-size:12px;font-weight:800}
    .tag-article-body h2{margin:5px 0 7px;font-size:21px;line-height:1.4}
    .tag-article-body h2 a:hover{color:var(--theme)}
    .tag-article-body p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:0 0 12px;color:#68758a;font-size:14px}
    .tag-meta{display:flex;flex-wrap:wrap;gap:10px;color:#8995a7;font-size:12px}
    .tag-meta span+span:before{content:"·";margin-right:10px;color:#c3cbd6}
    .tag-chip{display:inline-block;margin-top:auto;padding-top:10px;color:var(--theme);font-size:12px}
    .tag-chip:before{content:"# "}
    .tag-side{position:sticky;top:20px;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
    .tag-side h2{margin:0 0 14px;font-size:18px}
    .tag-side p{margin:0;color:var(--muted);font-size:13px}
    .tag-side-line{height:1px;margin:18px 0;background:var(--line)}
    .tag-side a{display:inline-block;margin:4px 4px 4px 0;padding:5px 10px;border-radius:999px;background:#f0f4f9;color:#53647b;font-size:12px}
    .tag-side a:hover{background:#dce8f7;color:var(--theme)}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:32px}
    .pagination a{display:inline-flex;min-width:38px;height:38px;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#5e6d83;font-size:13px}
    .pagination a:hover,.pagination a.active{border-color:var(--theme);background:var(--theme);color:#fff}
    @media (max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .account-link{display:none}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
      .tag-layout{grid-template-columns:1fr}
      .tag-side{position:static}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;flex-direction:column;gap:2px;padding:8px 0}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .header-inner{min-height:68px;gap:12px}
      .logo span{font-size:16px}
      .member-link{display:none}
      .tag-page{padding:42px 0 0}
      .tag-heading{margin-bottom:25px}
      .tag-heading h1{font-size:34px}
      .tag-article-card{grid-template-columns:1fr;gap:14px;padding:13px}
      .tag-article-cover{height:190px}
      .tag-article-body h2{font-size:19px}
      .footer{margin-top:48px;padding-top:38px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{align-items:flex-start;flex-direction:column;gap:5px}
    }