:root{
  --bg:#f6f8fc;
  --card:#fff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --brand:#16a34a;
  --brand-dark:#15803d;
  --brand-soft:#ecfdf5;
  --accent:#2563eb;
  --shadow:0 10px 30px rgba(15,23,42,.06);
  --radius:16px;
  --max:880px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;line-height:1.65}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:20px 16px 48px}
.site-header{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:14px 16px;margin:-4px -4px 20px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.85);backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:10;
}
.logo{font-size:20px;font-weight:900;color:var(--text);text-decoration:none}
.logo span{color:var(--brand)}
.site-nav{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:13px;font-weight:700}
.site-nav a{color:var(--muted);text-decoration:none;padding:4px 0}
.site-nav a:hover,.site-nav a.active{color:var(--brand);text-decoration:none}
.hero{
  background:linear-gradient(135deg,#ecfdf5 0%,#fff 55%,#eff6ff 100%);
  border:1px solid #bbf7d0;border-radius:var(--radius);padding:28px 24px;margin-bottom:18px;box-shadow:var(--shadow);
}
.hero h1{margin:0 0 8px;font-size:clamp(26px,5vw,34px);line-height:1.2}
.hero p{margin:0;color:var(--muted);font-size:15px;max-width:62ch}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;margin-bottom:14px;box-shadow:var(--shadow)}
.card h2{margin:0 0 12px;font-size:18px}
.card h3{margin:18px 0 8px;font-size:15px}
.card p,.card li{font-size:14px;color:#334155}
.card ul,.card ol{padding-left:1.25rem;margin:8px 0}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.tile{background:var(--brand-soft);border:1px solid #bbf7d0;border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:10px}
/* 與 parking.html 底欄 .fabBtn 一致 */
.audience-fab{
  width:50px;height:50px;border-radius:14px;border:none;
  display:grid;place-items:center;font-weight:900;font-size:24px;line-height:1;
  flex-shrink:0;
}
.audience-fab.gray{background:#f3f4f6;color:#111;border:1px solid #e5e7eb}
.audience-fab.dark{background:#111;color:#fff}
.audience-fab > span{
  display:flex;align-items:center;justify-content:center;
  width:100%;height:100%;font-size:24px;line-height:1;
  overflow:hidden;border-radius:inherit;
}
.audience-fab > span > svg{width:100%;height:100%;display:block}
.tile h3{margin:0 0 6px;font-size:15px}
.tile p{margin:0;font-size:13px;color:var(--muted)}
.steps{counter-reset:step;display:grid;gap:10px}
.step{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.step::before{
  counter-increment:step;content:counter(step);
  width:28px;height:28px;border-radius:999px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex-shrink:0;
}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.btn-row--hero{
  flex-wrap:nowrap;
  align-items:stretch;
  gap:8px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 16px;border-radius:12px;font-size:14px;font-weight:800;text-decoration:none;border:1px solid transparent;
}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark);text-decoration:none}
.btn.secondary{background:#fff;border-color:var(--line);color:var(--text)}
.btn.secondary:hover{text-decoration:none;border-color:#cbd5e1}
.btn-row--hero .btn--enter-app{
  flex:1.55 1 0;
  min-width:0;
  padding:14px 18px;
  font-size:16px;
  font-weight:900;
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(22,163,74,.28);
}
.btn-row--hero .btn--faded{
  flex:0.85 1 0;
  min-width:0;
  padding:10px 8px;
  font-size:12px;
  font-weight:700;
  opacity:.55;
  color:#64748b;
  border-color:#e2e8f0;
  background:#f8fafc;
}
.btn-row--hero .btn--faded:hover{
  opacity:.78;
  border-color:#cbd5e1;
  text-decoration:none;
}
.note{font-size:12px;color:var(--muted);margin-top:10px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:#f8fafc;font-weight:800}
.site-footer{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);text-align:left}
.site-footer a{color:var(--accent);text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.merchant-footer__block{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:14px;
  box-shadow:var(--shadow);
}
.merchant-footer__title{font-size:15px;font-weight:900;color:var(--text);margin-bottom:10px;text-align:center}
.merchant-footer__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px 16px;font-size:13px;line-height:1.55;color:#334155}
.merchant-footer__label{display:block;font-size:11px;font-weight:800;color:var(--muted);margin-bottom:2px}
.merchant-footer__nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 12px;margin:12px 0 8px;font-size:12px;font-weight:700}
.merchant-footer__nav a{color:var(--muted)}
.merchant-footer__copy{text-align:center;font-size:11px;color:var(--muted);margin-top:8px}
.merchant-info-list{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.merchant-info-list li{font-size:14px;color:#334155}
.merchant-info-list strong{display:inline-block;min-width:6.5em;color:var(--text)}
.platform-intro{font-size:14px;color:#334155;line-height:1.7}
@media (max-width:640px){
  .site-header{align-items:flex-start}
  .site-nav{width:100%}
}