:root {
  --bg: #f6f4ef;
  --card: #fff;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --accent: #0b6e4f;
  --accent-soft: #e6f3ee;
  --line: #e2ddd3;
  --warn: #8a5a00;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(26, 26, 26, 0.06);
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Helvetica Neue", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
.wrap { width: min(920px, 92vw); margin: 0 auto; }
.top {
  border-bottom: 1px solid var(--line);
  background: rgba(246, 244, 239, 0.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
}
.logo { font-weight: 700; letter-spacing: 0.02em; }
.badge {
  font-size: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
}
.hero { padding: 48px 0 28px; }
.eyebrow { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
.hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.25;
  margin: 0 0 16px;
  font-weight: 700;
}
.hero h1 strong { color: var(--accent); }
.lead { font-size: 1.05rem; color: var(--muted); max-width: 42rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--accent); color: #fff; }
.btn.ghost { background: var(--card); color: var(--ink); border-color: var(--line); }
.fine { font-size: 13px; color: var(--muted); }
.lang-note { font-size: 12px; color: #888; margin-top: 8px; }
.block { padding: 36px 0; border-top: 1px solid var(--line); }
.block h2 { margin: 0 0 16px; font-size: 1.35rem; }
.sub { color: var(--muted); margin-top: -8px; }
.cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.cards li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.cards h3 { margin: 0 0 8px; font-size: 1.05rem; }
.cards p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
.steps span {
  flex: 0 0 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}
.steps.compact li { font-size: 0.95rem; }
.video-slot {
  background: #111;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  position: relative;
  min-height: 200px;
}
.video-slot video {
  width: 100%;
  display: block;
  max-height: 420px;
  background: #111;
}
.video-slot video.is-missing { display: none; }
.slot-hint {
  margin: 0;
  padding: 48px 24px;
  color: #ddd;
  text-align: center;
  font-size: 0.95rem;
}
.slot-hint code { color: #9fefc7; }
.cta-block { text-align: center; }
.cta-block .btn { margin: 8px 0 16px; }
.disclaimer {
  text-align: left;
  background: #fff8e8;
  border: 1px solid #f0d9a0;
  color: var(--warn);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 0.92rem;
}
.foot {
  padding: 28px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 560px) {
  .hero { padding-top: 28px; }
  .cta-row .btn { width: 100%; }
}