:root {
  --color-bg: #faf6ee;
  --color-kraft: #d8c4a0;
  --color-yolk: #f2a93b;
  --color-yolk-dark: #d98c1f;
  --color-ink: #2e2620;
  --color-sage: #7c8f6e;
  --color-error: #c1443a;
  --font-display: "Georgia", "Noto Serif TC", serif;
  --font-body: "Helvetica Neue", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.6;
}

header.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 2px solid var(--color-kraft);
}

.site-header .logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 1px;
  color: var(--color-ink);
  text-decoration: none;
}

.site-header nav a {
  margin-left: 20px;
  color: var(--color-ink);
  text-decoration: none;
  font-size: 15px;
}

.site-header nav a:hover { color: var(--color-yolk-dark); }

main { max-width: 880px; margin: 0 auto; padding: 40px 24px 80px; }

h1 {
  font-family: var(--font-display);
  font-size: 34px;
  margin-bottom: 8px;
}

.subtitle { color: #6b6055; margin-top: 0; margin-bottom: 32px; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--color-kraft);
  border-radius: 6px;
  padding: 18px;
}

.product-card .egg-badge {
  display: inline-block;
  width: 34px; height: 42px;
  background: var(--color-yolk);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  margin-bottom: 10px;
}

.product-card h3 { margin: 0 0 6px; font-size: 17px; }
.product-card .price { color: var(--color-yolk-dark); font-weight: bold; font-size: 18px; }
.product-card p.desc { font-size: 13px; color: #6b6055; min-height: 36px; }

button, .btn {
  background: var(--color-yolk);
  color: var(--color-ink);
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button:hover, .btn:hover { background: var(--color-yolk-dark); }

form { max-width: 420px; }

label {
  display: block;
  font-size: 14px;
  margin: 14px 0 6px;
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-kraft);
  border-radius: 4px;
  font-size: 15px;
  font-family: var(--font-body);
}

.error-msg {
  color: var(--color-error);
  font-size: 14px;
  margin-top: 10px;
  min-height: 20px;
}

.success-msg { color: var(--color-sage); font-size: 14px; margin-top: 10px; }

.card-box {
  background: #fff;
  border: 1px solid var(--color-kraft);
  border-radius: 6px;
  padding: 28px;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}
.qty-row input { width: 70px; }