:root {
  color-scheme: light;
  --ink: #17233d;
  --muted: #526079;
  --paper: #fffdf8;
  --mist: #edf3f5;
  --gold: #d99b26;
  --coral: #df6549;
  --line: #d7dfe4;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.75;
}

a { color: #1f5e78; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.96);
}

.nav {
  width: min(1080px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--gold);
  box-shadow: inset 0 0 0 4px #f6cf74;
  font-family: Georgia, serif;
  font-size: 22px;
}

.nav-links { display: flex; gap: 20px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--ink); }

.hero {
  background: var(--mist);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  width: min(1080px, calc(100% - 40px));
  min-height: 430px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  align-items: center;
  gap: 64px;
  padding: 72px 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

h1, h2, h3 { line-height: 1.25; letter-spacing: 0; }
h1 { max-width: 760px; margin: 0; font-size: clamp(40px, 6vw, 68px); }
h2 { margin: 0 0 18px; font-size: 30px; }
h3 { margin: 0 0 8px; font-size: 19px; }

.lead { max-width: 700px; margin: 24px 0 0; color: var(--muted); font-size: 19px; }

.seal {
  width: min(100%, 280px);
  aspect-ratio: 1;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border: 3px solid var(--ink);
  background: var(--gold);
  box-shadow: 14px 14px 0 var(--coral);
}

.seal span {
  max-width: 5em;
  text-align: center;
  font-family: "Noto Serif TC", "PMingLiU", serif;
  font-size: 34px;
  font-weight: 900;
  line-height: 1.35;
}

main section,
.page-main {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.feature {
  padding-top: 20px;
  border-top: 4px solid var(--gold);
}

.feature p, .page-main p, .page-main li { color: var(--muted); }

.notice {
  padding: 24px 28px;
  border-left: 5px solid var(--coral);
  background: #fff3ee;
}

.page-title {
  padding: 54px 0 18px;
  border-bottom: 1px solid var(--line);
}

.page-title h1 { font-size: clamp(34px, 5vw, 54px); }
.updated { color: var(--muted); font-size: 14px; }
.page-main section { width: auto; padding: 28px 0; border-bottom: 1px solid var(--line); }
.page-main ul { padding-left: 1.25em; }

footer {
  background: var(--ink);
  color: #fff;
}

.footer-inner {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

footer a { color: #fff; }

@media (max-width: 760px) {
  .nav { align-items: flex-start; padding: 16px 0; }
  .nav-links { flex-direction: column; gap: 4px; text-align: right; }
  .hero-inner { grid-template-columns: 1fr; gap: 42px; padding: 56px 0 70px; }
  .seal { width: 210px; }
  .feature-grid { grid-template-columns: 1fr; }
}