:root{
      --theme:#0B3D91;
      --ink:#172033;
      --muted:#667085;
      --line:#e5e9f0;
      --paper:#f6f8fb;
      --white:#fff;
      --accent:#12a889;
      --shadow:0 14px 40px rgba(20,39,70,.09);
      --radius:8px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Noto Sans TC","Microsoft JhengHei",sans-serif;line-height:1.65}
    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:#101a2b;color:#cbd5e1;font-size:13px}
    .topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-contact{display:flex;gap:22px}
    .topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:800;font-size:18px;color:var(--theme)}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:stretch;gap:3px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:27px 12px;color:#344054;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);width:260px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s ease;z-index:30}
    .mega-menu{width:620px}
    .mega-wide{width:760px}
    .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{display:block;padding:9px 8px;border-bottom:1px solid #eef1f5;font-size:14px}
    .dropdown-panel a:hover{color:var(--theme);background:#f7f9fc}
    .dropdown-footer,.mega-footer{display:block!important;margin-top:12px!important;padding:10px 8px!important;color:var(--theme);font-weight:700}
    .mega-title{margin:0 0 14px;color:var(--theme);font-size:14px;font-weight:800}
    .mega-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
    .mega-card{display:flex;gap:10px;min-width:0;padding:10px;border:1px solid #edf0f4;border-radius:6px}
    .mega-card:hover{border-color:#b9c8e2;background:#f8faff}
    .mega-card>img{width:34px;height:34px;object-fit:contain;flex:0 0 34px}
    .mega-card-copy{min-width:0;display:grid;gap:2px}
    .mega-card-copy strong,.mega-card-copy span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card-copy strong{font-size:13px}
    .mega-card-copy span{font-size:11px;color:var(--muted)}
    .mega-category-list{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
    .mega-category-list a{padding:5px 9px;background:#f1f5fa;border-radius:4px;color:#475467;font-size:12px}
    .mega-category-list a:hover{background:#dfe9f8;color:var(--theme)}
    .header-btns{display:flex;align-items:center;gap:10px}
    .account-btn{padding:9px 14px;border:1px solid var(--theme);border-radius:5px;color:var(--theme);font-size:13px;font-weight:700;white-space:nowrap}
    .account-btn:hover{background:var(--theme);color:#fff}
    .hamburger{display:none;width:42px;height:40px;padding:9px;border:1px solid var(--line);background:#fff;border-radius:5px;cursor:pointer}
    .hamburger span{display:block;width:21px;height:2px;margin:4px auto;background:var(--ink);transition:.2s}
    .hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
    .drawer-overlay{position:fixed;inset:0;background:rgba(8,18,34,.48);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(380px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.25s ease;z-index:50;overflow-y:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line);color:var(--theme);font-weight:700}
    .drawer-head>a{margin-left:auto;color:var(--theme);font-size:13px}
    .drawer-close{border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer;color:#667085}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #edf0f4;background:transparent;text-align:left;color:#344054;font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--muted);font-size:18px}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:grid;max-height:0;overflow:hidden;transition:max-height .25s ease;padding-left:14px}
    .drawer-submenu.open{max-height:600px}
    .drawer-submenu a{padding:9px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:70px;background:#101a2b;color:#d0d8e5}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding:52px 0 40px}
    .footer .logo{color:#fff}
    .footer-brand p{max-width:310px;color:#9eabc0;font-size:14px}
    .footer h3{margin:0 0 16px;color:#fff;font-size:15px}
    .footer-links,.footer-contact{display:grid;gap:9px;font-size:13px}
    .footer-links a,.footer-contact a,.footer-contact span{color:#aab6c9}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);color:#8e9bb0;font-size:12px}
    .tag-index-page{min-height:560px;padding:72px 0 10px}
    .page-heading{text-align:center;max-width:680px;margin:0 auto 42px}
    .eyebrow{margin:0 0 10px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:1.6px}
    .page-heading h1{margin:0;color:#101828;font-size:clamp(30px,4vw,48px);line-height:1.2}
    .page-heading p{margin:18px 0 0;color:var(--muted);font-size:16px}
    .tag-cloud-panel{padding:36px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .tag-cloud{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px 12px}
    .tag-cloud a{display:inline-flex;align-items:center;gap:7px;padding:10px 15px;border:1px solid #dbe3ef;border-radius:5px;background:#f9fbfd;color:#344054;transition:.2s}
    .tag-cloud a:hover{border-color:var(--theme);background:#edf3fc;color:var(--theme);transform:translateY(-2px)}
    .tag-cloud a:nth-child(3n){font-size:20px;font-weight:700}
    .tag-cloud a:nth-child(3n+1){font-size:15px}
    .tag-cloud a:nth-child(3n+2){font-size:17px}
    .tag-count{color:var(--accent);font-size:12px}
    .tag-index-note{margin:28px 0 0;padding:18px 20px;border-left:3px solid var(--accent);background:#f2faf7;color:#52606d;font-size:14px}
    @media(max-width:1080px){
      .header-inner{gap:15px}.nav-link{padding-left:8px;padding-right:8px}.mega-wide{width:680px}
    }
    @media(max-width:860px){
      .main-nav{display:none}.hamburger{display:block}.footer-grid{grid-template-columns:repeat(2,1fr)}
      .header-inner{min-height:66px}.account-btn{display:none}
    }
    @media(max-width:600px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{align-items:flex-start;flex-direction:column;gap:2px;padding:8px 0}
      .topbar-contact{gap:12px;flex-wrap:wrap}
      .tag-index-page{padding:48px 0 0}.tag-cloud-panel{padding:22px 16px}
      .tag-cloud{gap:10px 8px}.tag-cloud a{padding:8px 10px}
      .footer-grid{grid-template-columns:1fr;gap:26px;padding:38px 0 28px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }