.resource-intro {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 250, 255, 0.98) 100%);
  border-radius: 22px;
  padding: 30px 34px;
  box-shadow: 0 14px 36px rgba(33, 71, 123, 0.08);
}

.resource-intro h2 {
  margin: 0 0 10px;
  font-size: 30px;
  color: #15253b;
}

.resource-intro p {
  margin: 0;
  color: #5a6b7f;
  line-height: 1.9;
}

.resource-section {
  margin-top: 28px;
}

.resource-section-head {
  margin-bottom: 16px;
}

.resource-section-head h3 {
  margin: 0 0 8px;
  font-size: 24px;
  color: #15253b;
}

.resource-section-head p {
  margin: 0;
  color: #66768a;
  line-height: 1.8;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.resource-more {
  margin-top: 18px;
}

.resource-more-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #eef6ff 0%, #dfedff 100%);
  color: #2f8fe7;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
  list-style: none;
}

.resource-more-toggle::-webkit-details-marker {
  display: none;
}

.resource-more-toggle::after {
  content: "＋";
  margin-left: 8px;
  font-size: 16px;
  line-height: 1;
}

.resource-more[open] .resource-more-toggle::after {
  content: "－";
}

.resource-more-toggle:hover {
  color: #247bd0;
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(47, 143, 231, 0.14);
}

.resource-grid-more {
  margin-top: 18px;
}

.resource-card {
  background: rgba(255, 255, 255, 0.98);
  border-radius: 20px;
  padding: 22px 22px 20px;
  box-shadow: 0 12px 30px rgba(35, 73, 123, 0.07);
  border: 1px solid rgba(229, 237, 247, 0.9);
}

.resource-card h4 {
  margin: 10px 0 10px;
  font-size: 18px;
  line-height: 1.5;
}

.resource-card h4 a {
  color: #17283d;
  text-decoration: none;
  transition: color 0.2s ease;
}

.resource-card h4 a:hover {
  color: #2f8fe7;
}

.resource-card p {
  margin: 0;
  color: #5c6d82;
  line-height: 1.85;
  font-size: 14px;
}

.resource-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 5px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ebf6ff 0%, #dceeff 100%);
  color: #378fdf;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.featured-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 248, 255, 0.98) 100%);
}

@media (max-width: 768px) {
  .resource-intro {
    padding: 24px 22px;
    border-radius: 18px;
  }

  .resource-intro h2 {
    font-size: 26px;
  }

  .resource-section-head h3 {
    font-size: 21px;
  }

  .resource-grid {
    grid-template-columns: 1fr;
  }
}