:root {
  --bg: #fff;
  --text: #111;
  --muted: #6b7280;
  --card: #f9fafb;
  --border: #e5e7eb;
  --brand: #2563eb;
  --brand-ink: #1d4ed8;
  --ink: #0f172a;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Noto Sans Thai", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

.container { max-width: 920px; margin: 0 auto; padding: 24px; }
h1 { margin: 0 0 8px; font-size: 2rem; letter-spacing: 0.2px; }
h2 { margin: 0 0 10px; font-size: 1.2rem; }
.muted { color: var(--muted); }

.lead { margin-top: 6px; color: #1f2937; }

.hero {
  background: conic-gradient(from 180deg at 0% 0%, #eef2ff, #ffffff);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-top: 20px;
  padding: 20px 18px;
}
.hero__eyebrow {
  display: inline-block;
  background: #e0e7ff;
  color: var(--brand-ink);
  border: 1px solid #c7d2fe;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  margin-bottom: 8px;
}
.divider { margin: 0 6px; color: #9ca3af; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 10px 0 24px;
}

.summary { margin: 0; padding-left: 20px; }
.summary li { margin: 4px 0; }

.accordion { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.accordion__header {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  background: #fff;
  border: none;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
}
.accordion__header:first-of-type { border-top: none; }
.accordion__header[aria-expanded="true"] { background: #f1f5ff; }
.accordion__icon { transition: transform .2s ease; }
.accordion__header[aria-expanded="true"] .accordion__icon { transform: rotate(90deg); }

.accordion__panel {
  padding: 0 16px 14px 16px;
  background: #fff;
  border-top: 1px solid var(--border);
}

address { font-style: normal; }
a { color: var(--brand-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

.footer { border-top: 1px solid var(--border); margin-top: 24px; padding-top: 16px; color: var(--muted); }