.blog-detail-container {
  max-width: 1500px;
  margin: 40px auto;
  padding: 20px;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  font-family: Arial, sans-serif;
}

.blog-detail-container h1 {
  font-size: 28px;
  color: #003366;
  margin-bottom: 20px;
  text-align: center;
  word-wrap: break-word;
}

.blog-detail-container img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 20px;
  object-fit: cover;
}

.blog-content {
  font-size: 16px;
  color: #333;
  line-height: 1.6;
  white-space: pre-line;
}

/* ===== Responsive cho điện thoại ===== */
@media (max-width: 768px) {
  .blog-detail-container {
    margin: 20px 10px;
    padding: 15px;
  }

  .blog-detail-container h1 {
    font-size: 22px;
    margin-bottom: 16px;
  }

  .blog-content {
    font-size: 15px;
    line-height: 1.5;
  }

  #zalo-chat img {
    width: 45px;
    height: auto;
  }

  #scrollTopBtn {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
}
