@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500&display=swap');

body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, #1E1E1E, #333333);
  color: #fff;
  line-height: 1.6;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 3rem;
  font-weight: bold;
  background: linear-gradient(to right, #00BFFF, #8A2BE2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

h1::after {
  content: "这是一个网页样式设计参考";
  display: block;
  font-size: 1rem;
  color: #ccc;
  margin-top: 10px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 20px;
  transition: transform 0.3s ease;
  position: relative;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 15px;
}

code {
  display: block;
  background: rgba(0, 0, 0, 0.5);
  padding: 10px;
  border-radius: 5px;
  color: #00FF7F;
  font-family: 'Courier New', Courier, monospace;
  overflow-x: auto;
}

pre {
  background: rgba(0, 0, 0, 0.6);
  padding: 15px;
  border-radius: 10px;
  margin: 15px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th, td {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 10px;
  text-align: left;
}

th {
  background: rgba(0, 191, 255, 0.2);
}

tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.05);
}

.button {
  display: inline-block;
  padding: 10px 20px;
  background: linear-gradient(45deg, #FFA500, #FFD700);
  color: #fff;
  border-radius: 25px;
  font-weight: bold;
  text-decoration: none;
  transition: transform 0.3s ease, background 0.3s ease;
}

.button:hover {
  transform: scale(1.1);
  background: linear-gradient(45deg, #FFD700, #FFA500);
}

@media (max-width: 768px) {
  .card {
    backdrop-filter: none;
    background: rgba(255, 255, 255, 0.2);
  }
  
  h1 {
    font-size: 2rem;
  }
  
  code, pre {
    font-size: 0.9rem;
  }
}