:root{
      --theme:#0B3D91;
      --theme-dark:#082b67;
      --ink:#172033;
      --muted:#697386;
      --line:#e4e9f1;
      --surface:#ffffff;
      --soft:#f4f7fb;
      --accent:#e2a93b;
      --shadow:0 16px 45px rgba(16,38,76,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f7f9fc;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","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:#101b32;color:#d9e3f4;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .topbar-links{display:flex;gap:20px}
    .topbar a{color:#eaf1ff}
    .topbar a:hover{color:#fff}

    .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;min-width:190px;color:var(--theme);font-weight:800;font-size:19px}
    .logo img{width:38px;height:38px;object-fit:contain;border-radius:10px}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:stretch;justify-content:center;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:27px 13px;font-size:14px;font-weight:700;color:#354056;white-space:nowrap}
    .nav-link:hover,.nav-link:focus-within{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);width:310px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s ease;z-index:30}
    .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)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .panel-title{margin:0 0 12px;color:var(--theme);font-size:14px;font-weight:800}
    .panel-list{display:grid;gap:7px}
    .panel-list a{display:block;padding:7px 0;color:#4d596d;font-size:13px;border-bottom:1px solid #edf0f5}
    .panel-list a:hover,.mega-card:hover strong{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:12px;background:#fbfcfe}
    .mega-card img{width:34px;height:34px;object-fit:contain;margin-bottom:7px;border-radius:8px}
    .mega-card strong{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-card small{display:block;color:var(--muted);font-size:10px;line-height:1.45;margin-top:3px}
    .mega-footer{display:block;margin-top:14px;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:9px}
    .member-btn,.open-btn{padding:8px 13px;border-radius:8px;font-size:13px;font-weight:700;white-space:nowrap}
    .member-btn{color:var(--theme);border:1px solid #cbd8ee}
    .open-btn{color:#fff;background:var(--theme)}
    .member-btn:hover{background:#f1f5fc}
    .open-btn:hover{background:var(--theme-dark)}
    .hamburger{display:none;width:42px;height:40px;padding:8px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer}
    .hamburger span{display:block;width:22px;height:2px;margin:4px auto;background:var(--theme);transition:.2s}

    .drawer-overlay{position:fixed;inset:0;background:rgba(6,18,40,.52);opacity:0;visibility:hidden;transition:.2s;z-index:40}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(360px,88vw);height:100vh;overflow:auto;background:#fff;transform:translateX(100%);transition:.25s ease;z-index:50;box-shadow:-12px 0 35px rgba(0,0,0,.18)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--line);font-weight:800;color:var(--theme)}
    .drawer-head>a{margin-left:auto;color:#fff;background:var(--theme);padding:5px 10px;border-radius:7px;font-size:13px}
    .drawer-close{border:0;background:none;font-size:27px;color:#657087;cursor:pointer;line-height:1}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf0f5;background:none;text-align:left;color:#26344c;font-weight:700;cursor:pointer}
    .drawer-group{border-bottom:1px solid #edf0f5}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px;font-weight:400}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:3px 0 9px 14px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:13px}

    .tag-page{padding:60px 0 80px}
    .tag-page .tag-hero{text-align:center;margin-bottom:34px}
    .tag-page .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.08em}
    .tag-page .eyebrow:before{content:"";width:22px;height:2px;background:var(--accent)}
    .tag-page h1{margin:10px 0 8px;font-size:clamp(30px,5vw,52px);line-height:1.2;letter-spacing:-.04em}
    .tag-page .intro{max-width:650px;margin:0 auto;color:var(--muted);font-size:15px}
    .tag-summary{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:18px}
    .tag-summary span{padding:6px 13px;border:1px solid #d9e2f1;border-radius:999px;color:#52627c;background:#fff;font-size:13px}
    .tag-summary strong{color:var(--theme)}
    .tag-article-list{display:grid;gap:18px;max-width:940px;margin:0 auto}
    .tag-article-card{display:grid;grid-template-columns:245px 1fr;gap:24px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(17,42,82,.05);transition:.2s}
    .tag-article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .tag-article-card .cover{min-height:175px;overflow:hidden;border-radius:12px;background:#e8eef8}
    .tag-article-card .cover img{width:100%;height:100%;min-height:175px;object-fit:cover}
    .tag-article-card .article-body{min-width:0;padding:4px 4px 2px 0}
    .article-kicker{display:flex;align-items:center;gap:10px;color:var(--theme);font-size:12px;font-weight:800}
    .article-kicker:after{content:"";height:1px;flex:1;background:#dce5f2}
    .tag-article-card h2{margin:8px 0 7px;font-size:21px;line-height:1.35}
    .tag-article-card h2 a:hover{color:var(--theme)}
    .article-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:0;color:#68758a;font-size:14px;line-height:1.75}
    .article-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:13px;color:#7b8799;font-size:12px}
    .article-meta b{color:#46556d;font-weight:700}
    .article-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;color:var(--theme);font-size:12px}
    .article-tags span{padding:3px 8px;border-radius:5px;background:#eff4fb}
    .read-link{display:inline-flex;margin-top:12px;color:var(--theme);font-size:13px;font-weight:800}
    .read-link:after{content:"→";margin-left:7px;transition:.2s}
    .read-link:hover:after{transform:translateX(4px)}
    .tag-pagination{display:flex;justify-content:center;gap:7px;flex-wrap:wrap;margin-top:34px}
    .tag-pagination a{min-width:38px;padding:7px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#536078;text-align:center;font-size:13px}
    .tag-pagination a:hover,.tag-pagination a.active{color:#fff;background:var(--theme);border-color:var(--theme)}

    .footer{padding:55px 0 0;background:#101b32;color:#c5d0e3}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:35px;padding-bottom:38px}
    .footer-brand strong{display:block;color:#fff;font-size:20px;margin-bottom:12px}
    .footer p{margin:7px 0;color:#9eacc2;font-size:13px}
    .footer h3{margin:0 0 13px;color:#fff;font-size:14px}
    .footer-grid>div:not(.footer-brand) a{display:block;margin:7px 0;color:#aebbd0;font-size:13px}
    .footer-grid a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);color:#8998b0;font-size:12px}

    @media(max-width:980px){
      .main-nav{display:none}
      .header-inner{height:68px}
      .header-btns{margin-left:auto}
      .hamburger{display:block}
      .logo{min-width:0}
      .mega-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:680px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;flex-direction:column;gap:0;padding:7px 0}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .member-btn{display:none}
      .open-btn{padding:7px 10px}
      .tag-page{padding:42px 0 60px}
      .tag-article-card{grid-template-columns:1fr;gap:15px;padding:13px}
      .tag-article-card .cover,.tag-article-card .cover img{min-height:190px;height:190px}
      .tag-article-card h2{font-size:19px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:420px){
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .tag-summary{justify-content:flex-start}
    }