html, body {
  height: 100%;
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.container {
  background: #fff;
  padding: 40px 30px;
  max-width: 550px;
  width: 90%;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

h1 {
  margin-bottom: 1rem;
  font-size: 2rem;
  color: #333;
}

p {
  font-size: 15px;
  color: #555;
  line-height: 1.6;
}

.badge {
  margin-top: 20px;
  display: inline-block;
  background: #007bff;
  color: white;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer {
  position: absolute;
  bottom: 20px;
  width: 100%;
  text-align: center;
  font-size: 12px;
  color: #888;
}

.quick-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 30px;
}

.quick-nav a {
  color: #007bff;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  padding: 0 10px;
  position: relative;
}

.quick-nav a:hover {
  color: #0056b3;
  text-decoration: underline;
}

.quick-nav a:not(:last-child)::after {
  content: "|";
  color: #ccc;
  margin-left: 10px;
  position: relative;
  top: 0;
}

.hover-preview {
  position: relative;
  display: inline-block;
}

.preview-thumb {
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  margin-left: 12px;
  background: #fff;
  border: 1px solid #ddd;
  padding: 6px;
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  display: none;
  z-index: 100;
  width: 150px;
}

.preview-thumb img {
  width: 100%;
  border-radius: 4px;
}

.hover-preview:hover .preview-thumb {
  display: block;
}

.env-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #facc15;
  color: #1f2937;
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 4px;
  font-weight: bold;
  font-family: monospace;
}

@media only screen and (max-width: 768px) {
  h1 {
    font-size: 1.5rem;
  }

  .container {
    padding: 30px 20px;
  }

  .be-frame-minimized {
    transform: scale(0.6);
    position: absolute;
    top: 0;
    right: 0;
  }

  .parent-element {
    position: relative;
  }
}