:root {
      --page-j88-primary-color: #FFD700; /* Vàng kim */
      --page-j88-secondary-color: #FFFFFF; /* Trắng */
      --page-j88-text-color: #E0E0E0; /* Xám nhạt */
      --page-j88-dark-bg: #000000; /* Đen */
      --page-j88-darker-bg: #1a1a1a; /* Đen nhạt hơn */
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      background-color: var(--page-j88-dark-bg);
      color: var(--page-j88-text-color);
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    .page-j88 {
      max-width: 100%;
      margin: 0 auto;
      background-color: var(--page-j88-dark-bg);
      color: var(--page-j88-text-color);
      padding-top: 120px; /* Cho khoảng trống cho header cố định */
    }

    @media (max-width: 768px) {
      .page-j88 {
        padding-top: 100px; /* Điều chỉnh cho thiết bị di động */
      }
    }

    .page-j88__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      text-align: center;
      background-color: var(--page-j88-darker-bg);
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-j88__section-title {
      color: var(--page-j88-primary-color);
      font-size: 2.5em;
      margin-bottom: 30px;
      text-transform: uppercase;
      letter-spacing: 1px;
      font-weight: bold;
    }

    .page-j88__section-title span {
      color: var(--page-j88-secondary-color);
    }

    .page-j88__hero-section {
      background-color: var(--page-j88-dark-bg);
      text-align: center;
      padding: 0; /* Nội dung bên trong sẽ có padding */
      margin-bottom: 20px;
    }

    .page-j88__hero-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px; /* Khoảng cách giữa ảnh và nội dung */
    }

    .page-j88__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    .page-j88__hero-content {
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-j88__hero-title {
      font-size: 3em;
      color: var(--page-j88-primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-j88__hero-description {
      font-size: 1.2em;
      color: var(--page-j88-text-color);
      margin-bottom: 30px;
    }

    .page-j88__hero-cta {
      display: inline-block;
      background-color: var(--page-j88-primary-color);
      color: var(--page-j88-dark-bg);
      padding: 15px 30px;
      border-radius: 50px;
      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-j88__hero-cta:hover {
      background-color: #e6c200;
      transform: translateY(-3px);
    }

    .page-j88__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      width: calc(100% - 40px);
      max-width: 400px;
      justify-content: center;
    }

    .page-j88__button {
      flex: 1;
      background-color: var(--page-j88-primary-color);
      color: var(--page-j88-dark-bg);
      padding: 12px 15px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      text-align: center;
      transition: background-color 0.3s ease, transform 0.3s ease;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-j88__button--register {
      background-color: #007bff; /* Màu xanh cho đăng ký */
      color: var(--page-j88-secondary-color);
    }

    .page-j88__button:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }

    .page-j88__button--register:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-j88__about-content {
      max-width: 900px;
      margin: 0 auto;
      color: var(--page-j88-text-color);
    }

    .page-j88__about-content p {
      margin-bottom: 15px;
      font-size: 1.1em;
      text-align: left;
    }

    .page-j88__game-grid,
    .page-j88__promo-grid,
    .page-j88__provider-grid,
    .page-j88__payment-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-j88__game-card,
    .page-j88__promo-card,
    .page-j88__provider-item,
    .page-j88__payment-item {
      background-color: var(--page-j88-darker-bg);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-decoration: none;
      color: var(--page-j88-text-color);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 15px;
    }

    .page-j88__game-card:hover,
    .page-j88__promo-card:hover,
    .page-j88__provider-item:hover,
    .page-j88__payment-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    }

    .page-j88__game-image,
    .page-j88__promo-image,
    .page-j88__provider-logo,
    .page-j88__payment-logo {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: contain;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .page-j88__game-image {
        max-height: 150px; /* Giới hạn chiều cao cho ảnh game */
        object-fit: cover;
    }

    .page-j88__provider-logo,
    .page-j88__payment-logo {
        max-height: 80px; /* Giới hạn chiều cao cho logo nhà cung cấp/thanh toán */
        object-fit: contain;
    }

    .page-j88__game-title,
    .page-j88__promo-title {
      font-size: 1.2em;
      color: var(--page-j88-secondary-color);
      font-weight: bold;
      margin-bottom: 5px;
      text-align: center;
    }

    .page-j88__promo-description {
      font-size: 0.9em;
      color: var(--page-j88-text-color);
      text-align: center;
    }

    .page-j88__feature-list {
      list-style: none;
      padding: 0;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-j88__feature-item {
      background-color: var(--page-j88-darker-bg);
      margin-bottom: 15px;
      padding: 20px;
      border-left: 5px solid var(--page-j88-primary-color);
      border-radius: 8px;
      text-align: left;
      transition: background-color 0.3s ease;
    }

    .page-j88__feature-item:hover {
      background-color: #2a2a2a;
    }

    .page-j88__feature-item h3 {
      color: var(--page-j88-secondary-color);
      margin-top: 0;
      margin-bottom: 10px;
      font-size: 1.5em;
    }

    .page-j88__feature-item p {
      color: var(--page-j88-text-color);
      font-size: 1em;
    }

    .page-j88__faq-section {
      text-align: left;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-j88__faq-item {
      background-color: var(--page-j88-darker-bg);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-j88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: #2a2a2a;
      transition: background-color 0.3s ease;
    }

    .page-j88__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-j88__faq-question h3 {
      color: var(--page-j88-secondary-color);
      margin: 0;
      font-size: 1.3em;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
    }

    .page-j88__faq-toggle {
      color: var(--page-j88-primary-color);
      font-size: 1.8em;
      font-weight: bold;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn icon chặn sự kiện click */
    }

    .page-j88__faq-item.active .page-j88__faq-toggle {
      transform: rotate(45deg); /* Xoay dấu + thành X hoặc - */
      color: var(--page-j88-secondary-color);
    }

    .page-j88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: var(--page-j88-text-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-j88__faq-item.active .page-j88__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-j88__final-cta {
      padding: 50px 20px;
      background-color: var(--page-j88-darker-bg);
      text-align: center;
      border-radius: 8px;
    }

    .page-j88__final-cta h2 {
      color: var(--page-j88-primary-color);
      font-size: 2.2em;
      margin-bottom: 20px;
    }

    .page-j88__final-cta p {
      color: var(--page-j88-text-color);
      font-size: 1.1em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
      .page-j88__section-title {
        font-size: 2em;
      }
      .page-j88__hero-title {
        font-size: 2.5em;
      }
      .page-j88__game-grid,
      .page-j88__promo-grid,
      .page-j88__provider-grid,
      .page-j88__payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      }
    }

    @media (max-width: 768px) {
      .page-j88__section {
        padding: 30px 15px;
      }
      .page-j88__section-title {
        font-size: 1.8em;
      }
      .page-j88__hero-title {
        font-size: 2em;
      }
      .page-j88__hero-description {
        font-size: 1em;
      }
      .page-j88__hero-cta {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-j88__game-grid,
      .page-j88__promo-grid,
      .page-j88__provider-grid,
      .page-j88__payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-j88__game-title,
      .page-j88__promo-title {
        font-size: 1.1em;
      }
      .page-j88__feature-item h3 {
        font-size: 1.3em;
      }
      .page-j88__faq-question h3 {
        font-size: 1.1em;
      }
      .page-j88__faq-toggle {
        font-size: 1.5em;
      }
      .page-j88__faq-question,
      .page-j88__faq-answer {
        padding-left: 15px;
        padding-right: 15px;
      }
      .page-j88__floating-buttons {
        gap: 10px;
        bottom: 15px;
      }
      .page-j88__button {
        padding: 10px 12px;
        font-size: 0.9em;
      }
    }

    @media (max-width: 480px) {
      .page-j88__section-title {
        font-size: 1.5em;
      }
      .page-j88__hero-title {
        font-size: 1.8em;
      }
      .page-j88__game-grid,
      .page-j88__promo-grid,
      .page-j88__provider-grid,
      .page-j88__payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }
      .page-j88__floating-buttons {
        flex-direction: column;
        width: 90%;
        max-width: 300px;
      }
      .page-j88__button {
        width: 100%;
      }
    }