:root {
  --sky: #006ef2;
  --navy: #0b1f4a;
  --ink: #122033;
  --muted: #5b6b80;
  --paper: #f6f8fc;
  --card: #ffffff;
  --line: #d8e2f0;
  --accent: #ff8a1e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 17px/1.7 "PingFang HK", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}

a { color: var(--sky); }
a:hover { color: #0056c4; }

.wrap { width: min(920px, calc(100% - 40px)); margin: 0 auto; }

.top {
  background: linear-gradient(180deg, #0078ff 0%, #0060e8 55%, #0a4cc4 100%);
  color: #fff;
  padding: 22px 0 56px;
}
.top a { color: #fff; }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 20, 60, 0.25);
}
.langs { display: flex; gap: 10px; font-size: 14px; }
.langs a {
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.35);
}
.langs a[aria-current="page"] { background: #fff; color: var(--sky); }

.hero { padding-top: 28px; }
.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.15;
}
.hero p { margin: 0; max-width: 36em; color: rgba(255,255,255,0.9); }
.hero .tag { margin-top: 10px; font-weight: 600; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 24px;
  margin: -28px auto 20px;
  box-shadow: 0 16px 40px rgba(12, 35, 80, 0.08);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 22px 0 8px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 18px 16px;
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.legal h2 {
  margin: 28px 0 8px;
  font-size: 22px;
  color: var(--navy);
}
.legal p, .legal li { color: #24344a; }
.legal ul { padding-left: 1.2em; }
.meta { color: var(--muted); font-size: 14px; }

.cta {
  display: inline-block;
  margin-top: 16px;
  background: var(--sky);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  padding: 11px 18px;
  border-radius: 999px;
}
.cta.ghost {
  background: transparent;
  color: var(--sky) !important;
  border: 1px solid var(--sky);
  margin-left: 8px;
}

footer {
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}
footer nav { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 8px; }