body {
  font-family: "Prompt", sans-serif;
  margin: 0; padding: 0;
  background: #f4f6f9;
  color: #333;
}
.navbar {
  background: linear-gradient(90deg, #2c3e50, #2980b9);
  padding: 10px;
}
.navbar ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; justify-content: center;
}
.navbar li {
  margin: 0 15px;
}
.navbar a {
  color: white; text-decoration: none;
  font-weight: bold; transition: 0.3s;
}
.navbar a:hover { color: #f1c40f; }

.container { padding: 30px; text-align: center; }

.title {
  font-size: 2.5em; color: #2c3e50;
}

.card-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}
.card {
  background: white;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}
.card:hover { transform: scale(1.05); background: #ecf6ff; }

footer {
  margin-top: 30px;
  padding: 15px;
  background: #2c3e50;
  color: white;
  text-align: center;
}

/* อนิเมะชัน */
.floating {
  width: 150px;
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}