/* 基础样式定义 */
body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
  color: #ffffff;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  max-width: 1200px;
  width: 90%;
  margin: 20px auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.header {
  text-align: center;
  padding: 40px 0;
  background: linear-gradient(45deg, #8e2de2, #4a00e0);
  width: 100%;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.header h1 {
  font-size: 3rem;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.content-box {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

.content-box h2 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: #00ffff;
}

.content-box p {
  font-size: 1rem;
  color: #dcdcdc;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.image-grid img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.image-grid img:hover {
  transform: scale(1.05);
}

.code-block {
  background: #1E1E1E;
  color: #00FF00;
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.table-container {
  overflow-x: auto;
}

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

table th, table td {
  padding: 10px;
  border: 1px solid #444;
  text-align: left;
  color: #ccc;
}

table th {
  background-color: #333;
  color: #fff;
}

.button {
  display: inline-block;
  background: linear-gradient(90deg, #00c6ff, #0072ff);
  color: #000;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: transform 0.3s ease;
}

.button:hover {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
  }

  .header h1 {
    font-size: 2rem;
  }

  .content-box h2 {
    font-size: 1.5rem;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 1.5s ease-in-out;
}