/* Tổng quan */
    body {
      margin: 0;
      font-family: 'Arial', sans-serif;
      background-color: #000000; /* Nền đen */
      color: #FFFFFF; /* Chữ trắng */
      line-height: 1.6;
    }

    .page-123bcom {
      background-color: #000000;
      color: #FFFFFF;
      overflow-x: hidden;
    }

    .page-123bcom__section-title {
      font-size: 2.5em;
      color: #FFD700; /* Chữ vàng */
      text-align: center;
      margin-bottom: 20px;
      padding-top: 20px;
      font-weight: bold;
    }

    .page-123bcom__section-description {
      font-size: 1.1em;
      text-align: center;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      padding: 0 15px;
    }

    /* Thiết lập chung cho hình ảnh responsive */
    .page-123bcom img {
      max-width: 100%;
      height: auto;
      display: block; /* Loại bỏ khoảng trắng dưới ảnh */
      object-fit: cover;
    }

    .page-123bcom__cta-btn {
      display: inline-block;
      background-color: #FFD700; /* Nút CTA màu vàng */
      color: #000000; /* Chữ đen trên nút vàng */
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-123bcom__cta-btn:hover {
      background-color: #e0b800;
      transform: translateY(-2px);
    }

    /* Nút đăng nhập nổi */
    .page-123bcom__floating-login-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #FFD700; /* Nút vàng */
      color: #000000; /* Chữ đen */
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      text-align: center;
      white-space: nowrap;
      display: flex;
      align-items: center;
      justify-content: center;
      line-height: 1.2;
    }

    .page-123bcom__floating-login-btn:hover {
      background-color: #e0b800;
      transform: scale(1.05);
    }

    /* Hero Section */
    .page-123bcom__hero-section {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding-top: 160px; /* An toàn cho header cố định */
      min-height: 600px;
      padding-bottom: 50px;
    }

    .page-123bcom__hero-image {
      width: 100%;
      max-width: 1200px; /* Giới hạn kích thước ảnh hero */
      height: auto;
      margin-bottom: 40px;
      border-radius: 10px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-123bcom__hero-content {
      max-width: 900px;
      padding: 0 20px;
      margin-bottom: 40px;
    }

    .page-123bcom__hero-title {
      font-size: 3.5em;
      color: #FFD700;
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .page-123bcom__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: #FFFFFF;
    }

    .page-123bcom__hero-cta-btn {
      margin-top: 20px;
    }

    /* Game Categories Section */
    .page-123bcom__game-categories {
      padding: 60px 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-123bcom__category-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
    }

    .page-123bcom__category-item {
      background-color: #1a1a1a; /* Nền hơi xám đen */
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-123bcom__category-item:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    }

    .page-123bcom__category-item a {
      text-decoration: none;
      color: inherit;
      display: block;
      padding-bottom: 20px; /* Padding dưới cho tiêu đề */
    }

    .page-123bcom__category-img {
      width: 100%;
      height: 200px; /* Chiều cao cố định cho ảnh */
      object-fit: cover;
      border-bottom: 3px solid #FFD700; /* Viền vàng dưới ảnh */
    }

    .page-123bcom__category-title {
      font-size: 1.5em;
      color: #FFD700;
      text-align: center;
      margin-top: 20px;
      padding: 0 15px;
    }

    /* Why Choose Us Section */
    .page-123bcom__why-choose-us {
      padding: 60px 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-123bcom__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .page-123bcom__feature-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease;
    }

    .page-123bcom__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-123bcom__feature-icon {
      width: 100px; /* Kích thước ảnh tính năng */
      height: 100px;
      margin-bottom: 20px;
      border-radius: 50%; /* Ảnh tròn */
      border: 3px solid #FFD700;
    }

    .page-123bcom__feature-title {
      font-size: 1.6em;
      color: #FFD700;
      margin-bottom: 15px;
    }

    .page-123bcom__feature-text {
      font-size: 1em;
      color: #FFFFFF;
    }

    /* Game Providers Section */
    .page-123bcom__game-providers {
      padding: 60px 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-123bcom__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 20px;
      justify-items: center;
      align-items: center;
    }

    .page-123bcom__provider-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      padding: 15px;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 80px; /* Chiều cao cố định cho logo nhà cung cấp */
      width: 100%;
      max-width: 150px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-123bcom__provider-item:hover {
      transform: scale(1.08);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    }

    .page-123bcom__provider-item img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
    }

    /* FAQ Section */
    .page-123bcom__faq-section {
      padding: 60px 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-123bcom__faq-list {
      margin-top: 30px;
    }

    .page-123bcom__faq-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
      overflow: hidden;
    }

    .page-123bcom__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: #2a2a2a; /* Nền câu hỏi hơi sáng hơn */
      border-bottom: 1px solid #333;
      transition: background-color 0.3s ease;
    }

    .page-123bcom__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-123bcom__faq-question-text {
      font-size: 1.25em;
      color: #FFD700;
      margin: 0;
      pointer-events: none; /* Ngăn chặn sự kiện click trên H3 */
    }

    .page-123bcom__faq-toggle {
      font-size: 1.8em;
      color: #FFD700;
      font-weight: bold;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn sự kiện click trên toggle icon */
    }

    .page-123bcom__faq-item.active .page-123bcom__faq-toggle {
      transform: rotate(45deg); /* Biểu tượng xoay khi mở */
      content: '−'; /* Thay đổi nội dung thành dấu trừ */
    }

    .page-123bcom__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #CCCCCC;
    }

    .page-123bcom__faq-item.active .page-123bcom__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-123bcom__faq-answer p {
      margin: 0;
      font-size: 1em;
      line-height: 1.6;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-123bcom__hero-title {
        font-size: 3em;
      }
      .page-123bcom__hero-description {
        font-size: 1.2em;
      }
      .page-123bcom__section-title {
        font-size: 2em;
      }
    }

    @media (max-width: 768px) {
      .page-123bcom__hero-section {
        padding-top: 120px !important; /* Điều chỉnh cho mobile header */
        min-height: auto;
      }

      .page-123bcom__hero-image {
        margin-bottom: 30px;
      }

      .page-123bcom__hero-title {
        font-size: 2.5em;
      }

      .page-123bcom__hero-description {
        font-size: 1.1em;
      }

      .page-123bcom__cta-btn {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-123bcom__floating-login-btn {
        padding: 10px 15px;
        font-size: 0.9em;
        bottom: 15px;
        right: 15px;
      }

      .page-123bcom__section-title {
        font-size: 1.8em;
      }

      .page-123bcom__section-description {
        font-size: 1em;
      }

      .page-123bcom__category-grid,
      .page-123bcom__features-grid,
      .page-123bcom__provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
      }

      .page-123bcom__category-img {
        height: 150px;
      }

      .page-123bcom__category-title {
        font-size: 1.3em;
      }

      .page-123bcom__feature-icon {
        width: 80px;
        height: 80px;
      }

      .page-123bcom__feature-title {
        font-size: 1.4em;
      }

      .page-123bcom__faq-question {
        padding: 15px 20px;
      }

      .page-123bcom__faq-question-text {
        font-size: 1.1em;
      }

      .page-123bcom__faq-toggle {
        font-size: 1.5em;
      }

      .page-123bcom__faq-answer {
        padding: 0 20px;
      }

      .page-123bcom__faq-item.active .page-123bcom__faq-answer {
        padding: 15px 20px !important;
      }

      /* Đảm bảo hình ảnh responsive trên mobile */
      .page-123bcom__hero-image,
      .page-123bcom__category-img,
      .page-123bcom__feature-icon,
      .page-123bcom__provider-item img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-123bcom__provider-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-123bcom__hero-title {
        font-size: 2em;
      }
      .page-123bcom__hero-description {
        font-size: 1em;
      }
      .page-123bcom__section-title {
        font-size: 1.6em;
      }
      .page-123bcom__category-grid,
      .page-123bcom__features-grid,
      .page-123bcom__provider-grid {
        grid-template-columns: 1fr; /* Một cột duy nhất */
      }
      .page-123bcom__provider-item {
        max-width: 250px; /* Giới hạn chiều rộng cho item provider */
        margin: 0 auto;
      }
    }