:root {
      --page-hi88-primary-color: #e44d26; /* Một màu cam đỏ nổi bật */
      --page-hi88-secondary-color: #333;
      --page-hi88-accent-color: #ffcc00; /* Vàng sáng cho điểm nhấn */
      --page-hi88-text-color: #333;
      --page-hi88-light-text-color: #f8f8f8;
      --page-hi88-bg-color-light: #f4f7f6;
      --page-hi88-bg-color-dark: #2a2a2a;
      --page-hi88-border-radius: 8px;
      --page-hi88-box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-hi88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-hi88-text-color);
      background-color: var(--page-hi88-bg-color-light);
      overflow-x: hidden;
    }

    /* Hero Section */
    .page-hi88__hero-section {
      background-color: #2a2a2a; /* Nền tối cho banner */
      text-align: center;
      padding: 10px 0 40px; /* Thêm padding-top để tránh bị header che */
      position: relative;
      overflow: hidden;
    }

    .page-hi88__hero-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        margin-bottom: 20px;
    }

    .page-hi88__hero-image {
      max-width: 100%;
      height: auto;
      border-radius: var(--page-hi88-border-radius);
      display: block;
      margin: 0 auto;
    }

    .page-hi88__hero-content {
      position: relative;
      z-index: 1;
      padding: 0 15px;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-hi88__hero-title {
      color: var(--page-hi88-accent-color);
      font-size: 2.5em;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-hi88__hero-subtitle {
      color: var(--page-hi88-light-text-color);
      font-size: 1.2em;
      margin-bottom: 30px;
    }

    .page-hi88__cta-button {
      display: inline-block;
      background-color: var(--page-hi88-primary-color);
      color: #fff;
      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;
      box-shadow: var(--page-hi88-box-shadow);
    }

    .page-hi88__cta-button:hover {
      background-color: #c73c1d;
      transform: translateY(-3px);
    }

    /* Floating Login Button */
    .page-hi88__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-hi88-accent-color);
      color: var(--page-hi88-secondary-color);
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.0em;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      animation: page-hi88-pulse 2s infinite;
    }

    .page-hi88__floating-button:hover {
      background-color: #ffdd44;
      transform: scale(1.05);
    }

    @keyframes page-hi88-pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.03); }
      100% { transform: scale(1); }
    }

    /* General Section Styling */
    .page-hi88__section {
      padding: 40px 15px;
      margin-bottom: 20px;
      background-color: #fff;
      border-radius: var(--page-hi88-border-radius);
      box-shadow: var(--page-hi88-box-shadow);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-hi88__section-title {
      color: var(--page-hi88-primary-color);
      font-size: 2em;
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-hi88__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-hi88-accent-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    /* About Section */
    .page-hi88__about-content {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .page-hi88__about-text p {
      margin-bottom: 15px;
      font-size: 1.1em;
      color: var(--page-hi88-secondary-color);
    }

    .page-hi88__about-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-hi88__about-image {
      max-width: 100%;
      height: auto;
      border-radius: var(--page-hi88-border-radius);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    /* Game Categories */
    .page-hi88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
    }

    .page-hi88__game-card {
      background-color: var(--page-hi88-bg-color-dark);
      border-radius: var(--page-hi88-border-radius);
      padding: 15px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-shadow: var(--page-hi88-box-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-hi88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    }

    .page-hi88__game-card-link {
      text-decoration: none;
      color: inherit;
      display: block;
    }

    .page-hi88__game-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        margin-bottom: 10px;
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100px; /* Kích thước cố định cho logo game */
    }

    .page-hi88__game-image {
      width: 100%; /* Đảm bảo hình ảnh lấp đầy wrapper */
      height: 100%;
      object-fit: contain; /* Giữ tỷ lệ và không cắt xén */
      border-radius: var(--page-hi88-border-radius);
    }

    .page-hi88__game-card-title {
      color: var(--page-hi88-accent-color);
      font-size: 1.1em;
      font-weight: bold;
      margin-top: 10px;
    }

    /* Promotions Section */
    .page-hi88__promotions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }

    .page-hi88__promo-card {
      background-color: var(--page-hi88-bg-color-dark);
      color: var(--page-hi88-light-text-color);
      border-radius: var(--page-hi88-border-radius);
      box-shadow: var(--page-hi88-box-shadow);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease;
    }

    .page-hi88__promo-card:hover {
      transform: translateY(-5px);
    }

    .page-hi88__promo-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        height: 200px; /* Kích thước cố định cho hình ảnh khuyến mãi */
    }

    .page-hi88__promo-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .page-hi88__promo-content {
      padding: 20px;
    }

    .page-hi88__promo-title {
      color: var(--page-hi88-accent-color);
      font-size: 1.4em;
      margin-bottom: 10px;
    }

    .page-hi88__promo-description {
      font-size: 0.95em;
      margin-bottom: 20px;
    }

    .page-hi88__promo-button {
      display: inline-block;
      background-color: var(--page-hi88-primary-color);
      color: #fff;
      padding: 10px 20px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-hi88__promo-button:hover {
      background-color: #c73c1d;
    }

    /* Login/Download Section */
    .page-hi88__action-cards {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
    }

    .page-hi88__action-card {
      flex: 1 1 calc(50% - 20px);
      background-color: var(--page-hi88-primary-color);
      color: #fff;
      padding: 30px;
      border-radius: var(--page-hi88-border-radius);
      text-align: center;
      box-shadow: var(--page-hi88-box-shadow);
      transition: transform 0.3s ease;
      min-width: 280px;
    }

    .page-hi88__action-card:hover {
      transform: translateY(-5px);
    }

    .page-hi88__action-card-title {
      font-size: 1.8em;
      margin-bottom: 15px;
      color: var(--page-hi88-accent-color);
    }

    .page-hi88__action-card-description {
      font-size: 1.1em;
      margin-bottom: 25px;
    }

    .page-hi88__action-button {
      display: inline-block;
      background-color: var(--page-hi88-accent-color);
      color: var(--page-hi88-primary-color);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.05em;
      transition: background-color 0.3s ease;
    }

    .page-hi88__action-button:hover {
      background-color: #ffeb80;
    }

    /* FAQ Section */
    .page-hi88__faq-list {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .page-hi88__faq-item {
      background-color: #f0f0f0;
      border-radius: var(--page-hi88-border-radius);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    .page-hi88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-hi88-primary-color);
      color: var(--page-hi88-light-text-color);
      cursor: pointer;
      font-size: 1.1em;
      font-weight: bold;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-hi88__faq-question:hover {
      background-color: #c73c1d;
    }

    .page-hi88__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-hi88__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click on parent */
    }

    .page-hi88__faq-item.active .page-hi88__faq-toggle {
      transform: rotate(45deg);
    }

    .page-hi88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: #fff;
      color: var(--page-hi88-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-hi88__faq-item.active .page-hi88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-hi88__faq-answer p {
      margin: 0;
    }

    /* Responsive Design */
    @media (min-width: 768px) {
      .page-hi88__about-content {
        flex-direction: row;
        align-items: center;
      }

      .page-hi88__about-text {
        flex: 2;
        padding-right: 30px;
      }

      .page-hi88__about-image-wrapper {
        flex: 1;
        min-width: 300px;
      }

      .page-hi88__hero-title {
        font-size: 3.5em;
      }

      .page-hi88__hero-subtitle {
        font-size: 1.4em;
      }

      .page-hi88__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }

      .page-hi88__promotions-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      }

      .page-hi88__action-card {
        flex: 1 1 calc(33% - 20px);
      }
    }

    @media (max-width: 768px) {
      .page-hi88__hero-section {
        padding-top: 10px; /* Mobile padding for hero */
      }

      .page-hi88__hero-title {
        font-size: 2em;
      }

      .page-hi88__hero-subtitle {
        font-size: 1em;
      }

      .page-hi88__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-hi88__floating-button {
        padding: 10px 15px;
        font-size: 0.9em;
        bottom: 15px;
        right: 15px;
      }

      .page-hi88__section {
        padding: 30px 10px;
        margin-bottom: 15px;
      }

      .page-hi88__section-title {
        font-size: 1.8em;
        margin-bottom: 20px;
      }

      .page-hi88__about-text p {
        font-size: 1em;
      }

      .page-hi88__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }

      .page-hi88__game-image-wrapper {
        height: 80px;
      }

      .page-hi88__game-card-title {
        font-size: 0.9em;
      }

      .page-hi88__promo-image-wrapper {
        height: 150px;
      }

      .page-hi88__promo-title {
        font-size: 1.2em;
      }

      .page-hi88__action-card {
        padding: 20px;
      }

      .page-hi88__action-card-title {
        font-size: 1.5em;
      }

      .page-hi88__action-card-description {
        font-size: 1em;
      }

      .page-hi88__action-button {
        padding: 10px 20px;
        font-size: 0.95em;
      }

      .page-hi88__faq-question {
        font-size: 1em;
        padding: 12px 15px;
      }

      .page-hi88__faq-question h3 {
        font-size: 1em;
      }

      .page-hi88__faq-answer {
        padding: 15px 15px !important; /* Adjust padding for mobile */
      }
    }

    /* All images must be responsive */
    .page-hi88 img {
      max-width: 100%;
      height: auto;
      display: block; /* Remove extra space below images */
    }

    /* Ensure image containers are also responsive */
    .page-hi88__hero-image-wrapper,
    .page-hi88__about-image-wrapper,
    .page-hi88__game-image-wrapper,
    .page-hi88__promo-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    @media (max-width: 768px) {
      .page-hi88 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-hi88__hero-image-wrapper,
      .page-hi88__about-image-wrapper,
      .page-hi88__game-image-wrapper,
      .page-hi88__promo-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }