:root {
  color-scheme: light;
  --ink: #141816;
  --muted: #5e5a54;
  --line: #d8d0c2;
  --bg: #f3efe6;
  --paper: #fffdf8;
  --bar: #141816;
  --accent: #9a4a1c;
  --accent2: #c45c26;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 17px/1.65 "Helvetica Neue", "PingFang TC", "Noto Sans TC", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: inherit; }
.top {
  background: var(--bar);
  color: #f4f1ea;
}
.top-in, .wrap, footer .foot-in {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}
nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1rem;
  padding: 0.95rem 0;
}
nav .mark {
  letter-spacing: 0.22em;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  margin-right: auto;
}
nav a:not(.mark) {
  color: rgba(244,241,234,.72);
  text-decoration: none;
  font-size: 0.92rem;
}
nav a:not(.mark):hover,
nav a.here { color: #fff; }
.hero {
  padding: 3.2rem 0 2.4rem;
}
.kicker {
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}
h1 { font-size: clamp(1.85rem, 4.4vw, 2.4rem); line-height: 1.22; margin: 0 0 1rem; }
h2 { font-size: 1.12rem; margin: 0 0 0.55rem; }
p { margin: 0 0 1rem; }
.lead { font-size: 1.06rem; max-width: 38rem; }
.grid { display: grid; gap: 1rem; margin: 1.5rem 0 0; }
@media (min-width: 680px) {
  .grid.two { grid-template-columns: 1fr 1fr; }
  .grid.three { grid-template-columns: 1fr 1fr 1fr; }
}
.card, .step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.15rem 1.2rem 1.2rem;
}
.card p:last-child, .step p:last-child { margin-bottom: 0; }
.step .n {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.8rem 0 0;
}
.cta a {
  display: inline-block;
  padding: 0.75rem 1.15rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
.cta .pri { background: var(--accent); color: #fff; }
.cta .pri:hover { background: var(--accent2); }
.cta .sec { border: 1px solid var(--ink); }
.cta .sec:hover { background: var(--paper); }
.band {
  margin-top: 2.4rem;
  padding-top: 0.2rem;
}
footer {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding: 1.4rem 0 2.6rem;
  color: var(--muted);
  font-size: 0.86rem;
}
footer a { color: var(--ink); }