:root{
  --bg:#F5F8FF;--surface:#FFFFFF;--ink:#1E2340;--muted:#5B6280;
  --sky:#63C3F1;--sky-soft:#C6F1FC;--lilac:#E6E8FD;--line:#DDE4F5;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans TC",-apple-system,"PingFang TC",sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}

header{position:sticky;top:0;z-index:10;background:rgba(245,248,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:18px}
.brand img{width:36px;height:36px;border-radius:10px}
nav{display:flex;gap:22px;font-size:15px}
nav a{text-decoration:none;color:var(--muted)}
nav a:hover{color:var(--ink)}

.hero{padding:80px 0 72px;background:radial-gradient(ellipse at 75% 40%,var(--sky-soft) 0%,transparent 55%),radial-gradient(ellipse at 10% 90%,var(--lilac) 0%,transparent 50%)}
.hero .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;color:#2B8CC4;background:#E3F5FD;padding:4px 12px;border-radius:999px;margin-bottom:18px}
h1{font-size:44px;line-height:1.3;font-weight:800;letter-spacing:.01em}
h1 span{color:#2B9AD6}
.lead{margin-top:18px;font-size:18px;color:var(--muted);max-width:30em}
.cta{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 22px;border-radius:12px;text-decoration:none;font-weight:600;font-size:15px}
.btn.primary{background:var(--ink);color:#fff}
.btn.ghost{border:1px solid var(--line);background:var(--surface)}
.hero-art{justify-self:center}
.hero-art img{width:min(340px,80vw);border-radius:48px;box-shadow:0 30px 60px -20px rgba(43,140,196,.35)}

section{padding:72px 0}
h2{font-size:28px;font-weight:800;margin-bottom:10px}
.sub{color:var(--muted);margin-bottom:36px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px}
.card .ico{width:40px;height:40px;border-radius:12px;background:var(--sky-soft);display:grid;place-items:center;font-size:20px;margin-bottom:14px}
.card h3{font-size:18px;margin-bottom:6px}
.card p{color:var(--muted);font-size:15px}

.about{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
dl.info{display:grid;grid-template-columns:140px 1fr;gap:12px 20px;max-width:640px}
dl.info dt{color:var(--muted)}
dl.info dd{font-weight:500}

footer{padding:36px 0;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{text-decoration:none;margin-left:18px}
footer a:hover{color:var(--ink)}

/* legal pages */
.legal{max-width:760px;margin:0 auto;padding:56px 20px 80px}
.legal h1{font-size:32px;margin-bottom:6px}
.legal .date{color:var(--muted);margin-bottom:32px}
.legal h2{font-size:20px;margin:32px 0 8px}
.legal p,.legal li{color:#333955}
.legal ul{padding-left:1.4em;margin:6px 0}

@media (max-width:780px){
  .hero{padding:48px 0}
  .hero .wrap{grid-template-columns:1fr;gap:32px}
  .hero-art{order:-1}
  .hero-art img{width:180px;border-radius:32px}
  h1{font-size:32px}
  .grid{grid-template-columns:1fr}
  nav{gap:14px;font-size:14px}
  nav a.hide-sm{display:none}
  dl.info{grid-template-columns:1fr;gap:2px}
  dl.info dd{margin-bottom:10px}
  footer a{margin:0 16px 0 0}
}