body {
      margin: 0;
      font-family: 'Inter', sans-serif;
      background: linear-gradient(to right, #4e5d6c, #000033);
      color: #0C2B8B;
    }
 
    .main {
      padding: 40px;
    }
   .highlight {
  display: flex;
  flex-wrap: wrap;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(15px);
  border-radius: 16px;
  padding: 20px;
  color: white;
  gap: 20px;
}
    .highlight::-webkit-scrollbar {
      width: 5px;
		background-color: #393838;
    }
    .highlight::-webkit-scrollbar-thumb {
      background-color: rgba(0,0,0,0.3);
      border-radius: 2px;
		 
    }
    .highlight::-webkit-scrollbar-track {
      background: transparent;
		background-color: #333030;
		
    }
    .highlight-left {
      flex: 1.5;
    }
    .highlight-right {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 10px;
		 transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .highlight-content {
      display: flex;
      margin-bottom: 20px;
    }
    .highlight img {
      height: 350px;
      border-radius: 8px;
      margin-right: 20px;
    }
    .book-item {
      background: rgba(255,255,255,0.5);
      border-radius: 12px;
      padding: 10px;
      display: flex;
      align-items: center;
      color: black;
		
		cursor: pointer;
		
    }
    .book-item img {
      height: 100px;
		
      margin-right:  50px;
		margin-left: 10px
    }

    .categories {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
      margin: 30px 40px;
      background: white;
      padding: 20px;
      border-radius: 16px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    .category {
      text-align: center;
      color: #444;
      width: 120px;
      margin: 15px;
      padding: 15px;
      border-radius: 12px;
      background: rgba(240, 240, 240, 0.8);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
    }
    .category:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    }
    .category img {
      height: 48px;
      margin-bottom: 10px;
    }
    .btn {
      padding: 10px 20px;
      background: #00b36b;
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      margin-top: 10px;
    }
	  .book-item {
  min-height: 120px;
  box-sizing: border-box;
	min-width: 550px;
	margin-right: 10px;	  
}
.highlight-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 460px; /* cố định chiều cao thay vì max-height */
  overflow-y: auto;
  padding-right: 5px;
}
.highlight-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 460px; /* cố định chiều cao thay vì max-height */
  overflow-y: auto;
  padding-right: 5px;
}
.book-item a
{
	text-decoration: none;
	color: black;
	margin-top: 100px;
	
}
.book-item div 
{
	margin-top: 5px;
		margin-bottom: 5px;
}


    .book-section1 {
      background: white;
      padding: 20px;
      border-radius: 12px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.1);
      margin: 40px;
    }
    .book-section1 h2 {
      margin-bottom: 20px;
		color: black ;
		font-size : 30px;
		 text-align: left;
    }
    .book-list {
      display: flex;
      overflow-x: auto;
      gap: 20px;
      padding-bottom: 10px;
    }
    .book-item1 {
      min-width: 250px;
      background: #e0e0e0;
      border-radius: 8px;
      padding: 15px;
      text-align: center;
      flex-shrink: 0;
		
    }
    .book-item1 img {
      height: 250px;
      margin-bottom: 10px;
		border-radius: 12px;
    }
    .book-item1 h3 {
      font-size: 16px;
      margin: 0 0 8px;
    }
    .book-item1 p {
      font-size: 14px;
      color: #555;
      margin: 0;
    }
    .book-scroll1 {
      position: relative;
    }
    .book-scroll1::after {
     
      position: absolute;
      right: -10px;
      top: 50%;
      transform: translateY(-50%);
      background: white;
      border-radius: 50%;
      padding: 5px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.2);
      cursor: pointer;
    }
.chat-bubble {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #4CAF50;
      color: white;
      padding: 10px 15px;
      border-radius: 20px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      cursor: pointer;
      z-index: 9999;
    }

    .chat-box {
      display: none;
      position: fixed;
      bottom: 70px;
      right: 20px;
      width: 300px;
      background: white;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      overflow: hidden;
      z-index: 10000;
    }

    .chat-box textarea {
      width: 100%;
      padding: 10px;
      border: none;
      border-top: 1px solid #ccc;
      resize: none;
      height: 60px;
    }

    .chat-box .chat-header {
      background: #4CAF50;
      color: white;
      padding: 10px;
      font-weight: bold;
    }

 footer {
      background: #2b3478;
      color: white;
      padding: 40px 20px;
      font-family: Arial, sans-serif;
    }

    .footer-container {
      max-width: 100%;
      margin: auto;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      align-items: flex-start;
      gap: 20px;
    }

    .footer-left {
      display: flex;
      align-items: flex-start;
      gap: 20px;
    }

    .footer-left img {
      height: 200px;
    }

    .footer-info {
      font-size: 16px;
      line-height: 1.6;
    }

    .footer-info strong {
      font-size: 20px;
      display: block;
      margin-bottom: 10px;
    }

    .footer-map iframe {
      width: 300px;
      height: 200px;
      border: none;
    }
.swiper {
      width: 90%;
      max-width: 1100px;
      height: 500px;
	color: white; 
    }

    .swiper-slide {
      background-position: center;
      background-size: cover;
      width: 300px;
      height: 400px;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    }

    .swiper-slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    h2 {
      text-align: center;
      color: white;
		font-size: 60px
    }