:root {
  --bg: #f4f2e9;
  --surface: #fcfbf7;
  --surface-alt: #eef2e8;
  --text: #243229;
  --text-muted: #56645a;
  --primary: #2f5d46;
  --primary-strong: #254a38;
  --accent: #7d996f;
  --line: #d4ddcf;
  --success: #3e7a50;
  --warning: #b8863d;
  --danger: #9a4a3f;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;

  --fs-h1: clamp(1.85rem, 1.5rem + 2vw, 3rem);
  --fs-h2: clamp(1.35rem, 1.2rem + 1vw, 2rem);
  --fs-h3: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
  --fs-body: 1rem;
  --fs-caption: 0.92rem;

  --shadow-soft: 0 12px 30px rgba(37, 74, 56, 0.08);
  --shadow-button: 0 8px 16px rgba(37, 74, 56, 0.18);
  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.65;
  font-size: var(--fs-body);
  background-image: radial-gradient(rgba(63, 98, 73, 0.035) 1px, transparent 1px);
  background-size: 16px 16px;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0;
  color: var(--text-muted);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.25;
  color: var(--text);
  letter-spacing: 0.01em;
}

h1 {
  font-size: var(--fs-h1);
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: var(--space-6) 0;
}

.section-heading {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--accent);
}

.grid {
  display: grid;
  gap: var(--space-3);
}

.muted {
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-7) 0;
  }

  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}