:root {
  color: #2c2c2a;
  background: #f7f6f2;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body.parenting-body {
  margin: 0;
  min-width: 320px;
}

.parenting-site-nav {
  align-items: center;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(44, 44, 42, .12);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 14px clamp(18px, 5vw, 72px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.parenting-brand,
.parenting-nav-links a {
  color: #245d4e;
  font-weight: 700;
  text-decoration: none;
}

.parenting-brand { font-size: 20px; }

.parenting-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.parenting-nav-links a:hover,
.parenting-brand:hover { text-decoration: underline; }

.parenting-container {
  margin: 0 auto;
  max-width: 1120px;
  padding: 42px clamp(18px, 4vw, 56px) 72px;
}

.parenting-hero {
  background: #fff;
  border: 1px solid rgba(44, 44, 42, .1);
  border-radius: 18px;
  padding: clamp(28px, 5vw, 54px);
}

.parenting-kicker {
  color: #4c7564;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.parenting-hero h1,
.parenting-section h2 {
  color: #264238;
  line-height: 1.2;
}

.parenting-hero h1 {
  font-size: clamp(34px, 5vw, 52px);
  margin: 0 0 16px;
}

.parenting-hero p {
  color: #5f5e5a;
  font-size: 17px;
  line-height: 1.8;
  margin: 0;
  max-width: 720px;
}

.parenting-section { margin-top: 46px; }

.parenting-section h2 {
  font-size: 24px;
  margin: 0 0 16px;
}

.parenting-card-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.parenting-card {
  background: #fff;
  border: 1px solid rgba(44, 44, 42, .1);
  border-radius: 14px;
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 190px;
  padding: 21px;
  text-decoration: none;
}

.parenting-card:hover {
  border-color: #699684;
  box-shadow: 0 8px 24px rgba(46, 76, 64, .1);
}

.parenting-card-label {
  color: #4c7564;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}

.parenting-card h3 {
  color: #264238;
  font-size: 19px;
  line-height: 1.35;
  margin: 0 0 8px;
}

.parenting-card p {
  color: #5f5e5a;
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}

.parenting-card span:last-child {
  color: #245d4e;
  font-size: 14px;
  font-weight: 700;
  margin-top: auto;
  padding-top: 16px;
}

.parenting-note {
  background: #faeeda;
  border-radius: 12px;
  color: #633806;
  font-size: 14px;
  line-height: 1.7;
  margin-top: 42px;
  padding: 16px 18px;
}

/* These styles are injected into the self-contained tool pages. */
body > .parenting-site-nav {
  margin-bottom: 20px;
}

@media (max-width: 600px) {
  .parenting-site-nav { align-items: flex-start; flex-direction: column; gap: 10px; }
  .parenting-nav-links { gap: 10px 14px; }
  .parenting-container { padding-top: 28px; }
}

@media print {
  .parenting-site-nav { display: none !important; }
}