:root{--theme:#0B3D91;--cyan:#0891B2;--cyan-dark:#08738d;--ink:#18212b;--muted:#647384;--line:#d9e8ec;--pale:#f1fbfc;--white:#fff;--shadow:0 18px 45px rgba(11,61,145,.1)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f8fbfc;font-family:"Noto Sans TC","PingFang HK","Microsoft JhengHei",Arial,sans-serif;line-height:1.65}
    body,button,input{font:inherit}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#101820;color:#d7e5e9;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:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:26px}
    .logo{display:flex;align-items:center;gap:10px;min-width:180px;color:var(--theme);font-size:19px;font-weight:800}
    .logo img{width:42px;height:42px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:27px 11px;color:#263746;font-size:14px;font-weight:700}
    .nav-link:hover{color:var(--cyan)}
    .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:calc(100% - 5px);left:50%;display:none;min-width:270px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);transform:translateX(-50%)}
    .mega-menu{left:auto;right:-100px;width:650px;transform:none}
    .nav-item:hover .dropdown-panel,.nav-item:hover .mega-menu,.nav-item:focus-within .dropdown-panel,.nav-item:focus-within .mega-menu{display:block}
    .dropdown-panel>a{display:block;padding:10px 12px;border-radius:8px;font-size:14px}
    .dropdown-panel>a:hover,.mega-card:hover{background:var(--pale);color:var(--cyan-dark)}
    .mega-title{margin:2px 4px 10px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.05em}
    .mega-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
    .mega-card{display:grid;grid-template-columns:auto 1fr;gap:3px 9px;align-items:center;padding:10px;border-radius:9px}
    .mega-card img{grid-row:1/3;width:30px;height:30px;object-fit:contain}
    .mega-card strong{overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}
    .mega-card small{grid-column:2;color:var(--muted);font-size:12px}
    .mega-card:not(:has(img)) strong,.mega-card:not(:has(img)) small{grid-column:1/-1}
    .mega-footer{display:block;margin-top:10px;padding:10px 12px;color:#fff;background:var(--theme);border-radius:9px;text-align:center;font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:9px}
    .member-btn,.open-btn{padding:9px 14px;border-radius:8px;font-size:13px;font-weight:800;white-space:nowrap}
    .member-btn{color:var(--theme);border:1px solid #b6c7e2}
    .open-btn{color:#fff;background:var(--theme)}
    .hamburger{display:none;width:43px;height:43px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:9px;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:5px 0;background:var(--ink);transition:.25s}
    .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;z-index:199;visibility:hidden;background:rgba(7,18,27,.55);opacity:0;transition:.25s}
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{position:fixed;top:0;right:0;z-index:200;width:min(390px,90vw);height:100vh;padding:20px;background:#fff;box-shadow:-15px 0 40px rgba(0,0,0,.18);overflow-y:auto;transform:translateX(105%);transition:.3s}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line)}
    .drawer-head>a{padding:8px 12px;color:#fff;background:var(--theme);border-radius:7px;font-size:13px}
    .drawer-close{margin-left:auto;padding:0;background:none;border:0;font-size:31px;line-height:1;cursor:pointer}
    .drawer-menu{padding-top:13px}
    .drawer-link,.drawer-toggle,.drawer-submenu a{display:block;width:100%;padding:13px 10px;border:0;border-bottom:1px solid #edf2f4;background:none;text-align:left;font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:5px 0 8px 13px;background:#f7fbfc}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{padding:9px 10px;color:var(--muted);font-size:14px;font-weight:500}
    .tag-page{min-height:640px}
    .tag-page .tag-hero{padding:72px 0 54px;background:linear-gradient(135deg,#ecfbfd 0%,#fff 53%,#eaf1fb 100%);border-bottom:1px solid var(--line);text-align:center}
    .tag-page .tag-kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 15px;padding:7px 13px;color:var(--cyan-dark);background:#fff;border:1px solid #bce6ed;border-radius:999px;font-size:13px;font-weight:800}
    .tag-page .tag-kicker:before{content:"";width:8px;height:8px;background:var(--cyan);border-radius:50%;box-shadow:0 0 0 5px rgba(8,145,178,.12)}
    .tag-page h1{margin:0;color:#14222d;font-size:clamp(34px,5vw,58px);line-height:1.15}
    .tag-page .tag-intro{max-width:720px;margin:17px auto 0;color:var(--muted);font-size:17px}
    .tag-page .tag-count{display:inline-block;margin-top:22px;padding:9px 16px;color:#fff;background:var(--theme);border-radius:9px;font-weight:800}
    .tag-page .tag-content{padding:60px 0 80px}
    .tag-page .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}
    .tag-page .section-head h2{margin:0;font-size:28px}
    .tag-page .section-head p{margin:0;color:var(--muted)}
    .tag-page .article-list{display:grid;gap:22px}
    .tag-page .article-card{display:grid;grid-template-columns:310px minmax(0,1fr);min-width:0;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 28px rgba(20,49,69,.06);transition:.25s}
    .tag-page .article-card:hover{border-color:#9fd8e2;box-shadow:var(--shadow);transform:translateY(-2px)}
    .tag-page .article-cover{min-height:230px;background:#dcecef;overflow:hidden}
    .tag-page .article-cover img{width:100%;height:100%;object-fit:cover;transition:.35s}
    .tag-page .article-card:hover .article-cover img{transform:scale(1.035)}
    .tag-page .article-body{min-width:0;padding:25px 28px}
    .tag-page .article-label{display:inline-block;margin-bottom:10px;padding:5px 10px;color:var(--cyan-dark);background:var(--pale);border-radius:999px;font-size:12px;font-weight:800}
    .tag-page .article-title{margin:0 0 10px;font-size:23px;line-height:1.35}
    .tag-page .article-title a:hover{color:var(--cyan-dark)}
    .tag-page .article-summary{display:-webkit-box;margin:0 0 17px;overflow:hidden;color:#526576;-webkit-box-orient:vertical;-webkit-line-clamp:3}
    .tag-page .article-meta{display:flex;flex-wrap:wrap;gap:7px 17px;margin-bottom:13px;color:#71818e;font-size:13px}
    .tag-page .article-tags{margin:0 0 18px;color:var(--muted);font-size:13px}
    .tag-page .read-more{display:inline-flex;align-items:center;gap:7px;color:var(--theme);font-weight:800}
    .tag-page .read-more:after{content:"→";transition:.2s}
    .tag-page .read-more:hover:after{transform:translateX(4px)}
    .tag-page .pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:38px}
    .tag-page .pagination a{display:inline-flex;min-width:42px;height:42px;align-items:center;justify-content:center;padding:0 13px;background:#fff;border:1px solid var(--line);border-radius:8px;font-weight:700}
    .tag-page .pagination a:hover,.tag-page .pagination a.active,.tag-page .pagination a.current{color:#fff;background:var(--theme);border-color:var(--theme)}
    .footer{padding:58px 0 0;color:#ccdae0;background:#111b23}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:42px}
    .footer h3{margin:0 0 14px;color:#fff;font-size:15px}
    .footer strong{color:#fff;font-size:21px}
    .footer p{color:#aebdc5;font-size:14px}
    .footer a,.footer span{display:block;margin:8px 0;color:#bdcbd2;font-size:14px}
    .footer a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:25px;margin-top:45px;padding:20px 0;border-top:1px solid #2a3740}
    .footer-bottom span{margin:0;font-size:12px}
    @media(max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
    }
    @media(max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-links{flex-wrap:wrap;gap:2px 14px}
      .logo{min-width:0}
      .logo span{display:none}
      .member-btn{display:none}
      .tag-page .tag-hero{padding:54px 0 42px}
      .tag-page .tag-content{padding:42px 0 60px}
      .tag-page .section-head{align-items:flex-start;flex-direction:column;gap:6px}
      .tag-page .article-card{grid-template-columns:1fr}
      .tag-page .article-cover{min-height:210px;max-height:260px}
      .tag-page .article-body{padding:21px}
      .tag-page .article-title{font-size:20px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{align-items:flex-start;flex-direction:column;gap:4px}
    }
    @media(max-width:500px){
      .open-btn{display:none}
      .footer-grid{grid-template-columns:1fr;gap:25px}
    }