body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f5f7fa;
  color: #222;
}

.container {
  padding: 24px;
}

h1 {
  margin-bottom: 16px;
}

h2 {
  margin-top: 28px;
  margin-bottom: 14px;
  color: #1f3c88;
  border-left: 5px solid #1f3c88;
  padding-left: 10px;
}

/* 5 link / hàng */
.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.card {
  background: white;
  border-radius: 12px;
  border: 1px solid #ddd;
  padding: 14px;
  text-decoration: none;
  color: inherit;
  text-align: center;
  transition: 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 18px rgba(0,0,0,0.1);
}

.title {
  font-weight: bold;
  margin-bottom: 10px;
}

.card img {
  width: 56px;
  height: 56px;
  margin: 8px 0;
}

.link {
  font-size: 12px;
  color: #666;
  word-break: break-all;
}

/* Responsive */
@media (max-width: 1200px) {
  .grid-5 { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 600px) {
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
}