body {
      margin: 0;
      display: flex;
      height: 100vh;
      font-family: sans-serif;
    }
    .sidebar {
      width: 200px;
      background: #222;
      color: white;
      display: flex;
      flex-direction: column;
      padding: 10px;
    }
    .sidebar button {
      margin: 5px 0;
      padding: 10px;
      background: #444;
      border: none;
      color: white;
      cursor: pointer;
    }
    .sidebar button:hover {
      background: #666;
    }
    .content {
      flex: 1;
      overflow: hidden;
    }
    iframe {
      width: 100%;
      height: 100%;
      border: none;
    }

    .sidebar button.active {
  background-color: #e0be98;
  color: white;
  font-weight: bold;
  
}
.logo {
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 12px; /* 控制 logo 和文字之间的间距 */
}

.logo img {
  width: 40px;
  height: auto;
}

.logo-text {
  color: #ffffff;
  font-size: 16px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
}


.spacer {
  flex-grow: 1;
}

.github-link {
  display: flex;
  justify-content: center;
  padding: 12px;
}

.avatar-icon {
  width: 48px;
  height: 48px;

  transition: transform 0.2s ease;
}

.avatar-icon:hover {
  transform: scale(1.05);
}