/* Tổng quan */
    .page-88ag {
      font-family: 'Arial', sans-serif;
      color: #fff; /* Màu chữ trắng */
      background-color: #000; /* Màu nền đen */
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Đảm bảo nội dung không bị che bởi header cố định */
    .page-88ag__hero-section {
      padding-top: 160px; /* An toàn cho header cố định */
      position: relative;
      overflow: hidden;
      text-align: center;
      background-color: #000;
    }

    .page-88ag__hero-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-88ag__hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: contain; /* Giữ tỷ lệ ảnh */
      max-width: 100%; /* Đảm bảo ảnh không vượt quá kích thước khung chứa */
      margin: 0 auto;
    }

    .page-88ag__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
      margin-top: -50px; /* Dịch lên để chồng lên ảnh một chút */
    }

    .page-88ag__hero-title {
      font-size: 2.8em;
      color: #FFD700; /* Màu vàng */
      margin-bottom: 10px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-88ag__hero-description {
      font-size: 1.2em;
      color: #FFF;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Nút đăng nhập/đăng ký nổi */
    .page-88ag__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      display: flex;
      gap: 15px;
      width: 90%;
      max-width: 400px;
      justify-content: center;
    }

    .page-88ag__button {
      display: block;
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      text-align: center;
      white-space: nowrap;
      flex: 1;
      min-width: 120px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .page-88ag__button--login {
      background-color: #FFD700; /* Vàng */
      color: #000;
    }

    .page-88ag__button--login:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }

    .page-88ag__button--register {
      background-color: #008000; /* Xanh lá */
      color: #FFF;
    }

    .page-88ag__button--register:hover {
      background-color: #006400;
      transform: translateY(-2px);
    }

    /* Các phần nội dung chung */
    .page-88ag__section {
      padding: 40px 20px;
      text-align: center;
      background-color: #1a1a1a;
      margin-bottom: 15px;
      border-radius: 8px;
    }

    .page-88ag__section-title {
      font-size: 2.2em;
      color: #FFD700;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-88ag__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: 0;
      width: 80px;
      height: 3px;
      background-color: #FFD700;
      border-radius: 2px;
    }

    .page-88ag__text {
      font-size: 1.1em;
      color: #fff;
      margin-bottom: 20px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Ưu đãi hấp dẫn */
    .page-88ag__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-88ag__promotion-card {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      text-align: left;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-88ag__promotion-card:hover {
      transform: translateY(-5px);
    }

    .page-88ag__promotion-card-title {
      font-size: 1.5em;
      color: #FFD700;
      margin-bottom: 15px;
    }

    .page-88ag__promotion-card-text {
      color: #ccc;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .page-88ag__promotion-card-link {
      display: inline-block;
      background-color: #FFD700;
      color: #000;
      padding: 10px 20px;
      border-radius: 25px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.95em;
      transition: background-color 0.3s ease;
    }

    .page-88ag__promotion-card-link:hover {
      background-color: #e6c200;
    }

    /* Sảnh game nổi bật */
    .page-88ag__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-88ag__game-card {
      background-color: #2a2a2a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease;
      text-decoration: none;
      color: #fff;
      display: flex;
      flex-direction: column;
      height: 100%; /* Đảm bảo chiều cao đồng nhất */
    }

    .page-88ag__game-card:hover {
      transform: translateY(-5px);
    }

    .page-88ag__game-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-88ag__game-image {
      width: 100%;
      height: 150px; /* Chiều cao cố định cho ảnh game */
      object-fit: cover;
      display: block;
    }

    .page-88ag__game-title {
      font-size: 1.2em;
      color: #FFD700;
      padding: 15px;
      text-align: center;
      flex-grow: 1; /* Đảm bảo tiêu đề chiếm hết không gian còn lại */
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* Nhà cung cấp */
    .page-88ag__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: 20px;
      max-width: 1000px;
      margin: 0 auto;
      align-items: center;
      justify-items: center;
    }

    .page-88ag__provider-item {
      background-color: #2a2a2a;
      border-radius: 8px;
      padding: 10px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 80px; /* Chiều cao cố định cho logo */
    }

    .page-88ag__provider-item:hover {
      transform: scale(1.05);
    }

    .page-88ag__provider-logo-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100%;
    }

    .page-88ag__provider-logo {
      max-width: 80%;
      max-height: 80%;
      object-fit: contain;
      display: block;
    }

    /* Tại sao chọn 88ag */
    .page-88ag__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-88ag__feature-card {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      text-align: center;
    }

    .page-88ag__feature-icon-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        margin-bottom: 20px;
    }

    .page-88ag__feature-icon {
      width: 80px;
      height: 80px;
      object-fit: contain;
      margin-bottom: 20px;
    }

    .page-88ag__feature-title {
      font-size: 1.4em;
      color: #FFD700;
      margin-bottom: 15px;
    }

    .page-88ag__feature-description {
      color: #ccc;
    }

    /* Câu hỏi thường gặp (FAQ) */
    .page-88ag__faq-container {
      max-width: 900px;
      margin: 0 auto;
      text-align: left;
    }

    .page-88ag__faq-item {
      background-color: #2a2a2a;
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    }

    .page-88ag__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #3a3a3a;
      color: #FFD700;
      cursor: pointer;
      font-size: 1.2em;
      font-weight: bold;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-88ag__faq-question:hover {
      background-color: #4a4a4a;
    }

    .page-88ag__faq-question h3 {
      margin: 0;
      color: #FFD700;
      font-size: 1em; /* Điều chỉnh kích thước font cho h3 */
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
    }

    .page-88ag__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: #FFD700;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn span chặn sự kiện click */
    }

    .page-88ag__faq-item.active .page-88ag__faq-toggle {
      transform: rotate(45deg); /* Xoay dấu + thành X hoặc dấu trừ */
    }

    .page-88ag__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: #2a2a2a;
      color: #ccc;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-88ag__faq-item.active .page-88ag__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px !important;
      opacity: 1;
    }

    /* Tham gia ngay */
    .page-88ag__cta-section {
      background-color: #000;
      padding: 60px 20px;
    }

    .page-88ag__cta-title {
      font-size: 2.5em;
      color: #FFD700;
      margin-bottom: 20px;
    }

    .page-88ag__cta-text {
      font-size: 1.2em;
      color: #fff;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-88ag__cta-button {
      display: inline-block;
      background-color: #FFD700;
      color: #000;
      padding: 15px 40px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.3em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-88ag__cta-button:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }


    /* Responsive */
    @media (max-width: 1024px) {
      .page-88ag__hero-title {
        font-size: 2.5em;
      }
      .page-88ag__section-title {
        font-size: 2em;
      }
      .page-88ag__promotion-grid,
      .page-88ag__game-grid,
      .page-88ag__feature-grid,
      .page-88ag__provider-grid {
        gap: 20px;
      }
    }

    @media (max-width: 768px) {
      .page-88ag__hero-section {
        padding-top: 120px; /* Điều chỉnh cho di động */
      }
      .page-88ag__hero-title {
        font-size: 2em;
      }
      .page-88ag__hero-description {
        font-size: 1em;
      }
      .page-88ag__section {
        padding: 30px 15px;
      }
      .page-88ag__section-title {
        font-size: 1.8em;
      }
      .page-88ag__text {
        font-size: 1em;
      }
      .page-88ag__floating-buttons {
        gap: 10px;
        width: 95%;
      }
      .page-88ag__button {
        padding: 10px 15px;
        font-size: 1em;
      }
      .page-88ag__promotion-grid,
      .page-88ag__game-grid,
      .page-88ag__feature-grid {
        grid-template-columns: 1fr;
      }
      .page-88ag__provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      }
      .page-88ag__game-image {
        height: 120px;
      }
      .page-88ag__faq-question {
        font-size: 1.1em;
        padding: 12px 15px;
      }
      .page-88ag__faq-answer {
        padding: 15px !important;
      }
      .page-88ag__cta-title {
        font-size: 2em;
      }
      .page-88ag__cta-text {
        font-size: 1em;
      }
      .page-88ag__cta-button {
        padding: 12px 30px;
        font-size: 1.1em;
      }

      /* Responsive image optimization for mobile */
      .page-88ag__hero-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-88ag__game-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-88ag__provider-logo {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-88ag__feature-icon {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-88ag__hero-image-wrapper,
      .page-88ag__game-image-wrapper,
      .page-88ag__provider-logo-wrapper,
      .page-88ag__feature-icon-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-88ag__hero-title {
        font-size: 1.8em;
      }
      .page-88ag__floating-buttons {
        flex-direction: column;
        max-width: 90%;
      }
      .page-88ag__button {
        width: 100%;
      }
      .page-88ag__section-title {
        font-size: 1.6em;
      }
      .page-88ag__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      }
      .page-88ag__provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
      }
      .page-88ag__faq-question {
        font-size: 1em;
      }
      .page-88ag__cta-title {
        font-size: 1.8em;
      }
    }