:root{
      --theme:#0B3D91;
      --ink:#172033;
      --muted:#64748b;
      --line:#e5eaf1;
      --soft:#f5f8fc;
      --white:#fff;
      --shadow:0 18px 48px rgba(24,51,92,.1);
      --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:auto}

    .topbar{background:#10213f;color:#dbe7fb;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:#dbe7fb;transition:color .2s}
    .topbar a:hover{color:#fff}

    .header{position:relative;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(15,37,72,.04)}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;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:4px;list-style:none;padding:0;margin:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:27px 12px;color:#26344d;font-size:14px;font-weight:650;white-space:nowrap}
    .nav-link:hover{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:calc(100% + 1px);left:50%;transform:translate(-50%,8px);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;padding:22px;box-shadow:var(--shadow);transition:.2s;z-index:30}
    .dropdown-panel{width:310px}
    .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;pointer-events:auto;transform:translate(-50%,0)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
    .panel-title{margin:0 0 13px;color:var(--theme);font-weight:800;font-size:15px}
    .panel-list{display:grid;gap:8px}
    .panel-list a{display:block;padding:7px 8px;border-radius:8px;color:#334155;font-size:13px}
    .panel-list a:hover{background:#eef4ff;color:var(--theme)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .mega-card{display:block;padding:10px;border:1px solid #edf0f5;border-radius:11px;background:#fbfcfe;transition:.2s}
    .mega-card:hover{border-color:#b9cdf0;background:#f4f8ff;transform:translateY(-2px)}
    .mega-card img{height:34px;width:48px;object-fit:contain;margin-bottom:7px}
    .mega-card strong{display:block;font-size:13px;margin-bottom:4px;color:#1e2d48}
    .mega-card small{display:block;color:var(--muted);font-size:11px;line-height:1.5}
    .mega-footer{display:inline-block;margin-top:17px;color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:8px}
    .member-btn,.open-btn{border-radius:9px;padding:8px 13px;font-size:13px;font-weight:700}
    .member-btn{color:var(--theme);background:#edf4ff}
    .open-btn{color:#fff;background:var(--theme)}
    .hamburger{display:none;width:42px;height:40px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--theme);margin:5px 0;border-radius:3px;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(6,20,42,.48);z-index:80}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);background:#fff;z-index:90;transform:translateX(105%);transition:transform .25s ease;overflow:auto;box-shadow:-15px 0 35px rgba(0,0,0,.14)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:19px;border-bottom:1px solid var(--line);font-weight:800;color:var(--theme)}
    .drawer-head>a{margin-left:auto;background:var(--theme);color:#fff;border-radius:7px;padding:5px 10px;font-size:13px}
    .drawer-close{border:0;background:transparent;color:#52627a;font-size:28px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 18px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 4px;border:0;border-bottom:1px solid #edf0f4;background:none;text-align:left;color:#26344d;font-weight:650;cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:var(--theme)}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:5px 0 8px 14px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 4px;color:var(--muted);font-size:14px}

    .tag-index-page{padding:64px 0 86px;min-height:580px}
    .tag-index-page .page-heading{text-align:center;max-width:720px;margin:0 auto 36px}
    .tag-index-page .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.08em}
    .tag-index-page .eyebrow:before{content:"";width:24px;height:2px;background:var(--theme)}
    .tag-index-page h1{font-size:clamp(32px,5vw,52px);line-height:1.2;margin:13px 0 12px;color:#142443}
    .tag-index-page .intro{margin:0;color:var(--muted);font-size:16px}
    .tag-index-page .tag-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
    .tag-index-page .panel-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:24px}
    .tag-index-page .panel-head h2{margin:0;font-size:22px;color:#1d2d4a}
    .tag-index-page .panel-head p{margin:0;color:var(--muted);font-size:13px}
    .tag-index-page .tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
    .tag-index-page .tag-cloud a{display:inline-flex;align-items:center;gap:8px;border:1px solid #dce5f2;border-radius:999px;background:#fbfdff;padding:11px 17px;color:#31527f;font-size:14px;transition:.2s}
    .tag-index-page .tag-cloud a:hover{color:#fff;background:var(--theme);border-color:var(--theme);transform:translateY(-2px)}
    .tag-index-page .tag-cloud em{font-style:normal;font-size:11px;color:#8a99ad;background:#eef3f9;padding:2px 7px;border-radius:99px}
    .tag-index-page .tag-cloud a:hover em{color:var(--theme);background:#fff}
    .tag-index-page .tag-note{display:flex;gap:12px;align-items:flex-start;margin-top:28px;padding:16px 18px;border-radius:12px;background:#f2f6fc;color:#596b84;font-size:13px}
    .tag-index-page .tag-note strong{color:var(--theme);white-space:nowrap}

    .footer{background:#101e37;color:#c7d3e5;padding:54px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
    .footer-brand strong{display:block;color:#fff;font-size:20px;margin-bottom:12px}
    .footer p{margin:8px 0;color:#9eafc7;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:#aebed4;font-size:13px}
    .footer-grid>div:not(.footer-brand) a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;color:#8fa1ba;font-size:12px}

    @media (max-width:1050px){
      .main-nav{display:none}
      .header-btns{margin-left:auto}
      .hamburger{display:block}
      .mega-menu{width:min(650px,calc(100vw - 40px))}
    }
    @media (max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;flex-direction:column;gap:0;padding:8px 0}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .logo{min-width:0}
      .member-btn{display:none}
      .open-btn{padding:7px 10px}
      .tag-index-page{padding:42px 0 60px}
      .tag-index-page .tag-panel{padding:22px 17px}
      .tag-index-page .panel-head{display:block}
      .tag-index-page .panel-head p{margin-top:6px}
      .tag-index-page .tag-cloud{gap:9px}
      .tag-index-page .tag-cloud a{padding:9px 12px;font-size:13px}
      .tag-index-page .tag-note{display:block}
      .tag-index-page .tag-note strong{display:block;margin-bottom:4px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }
    @media (max-width:430px){
      .header-inner{min-height:68px;gap:8px}
      .logo span{font-size:16px}
      .logo img{width:31px;height:31px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }