:root {
      --page-au88online-primary-color: #e44d26; /* Cam đỏ */
      --page-au88online-secondary-color: #ff7f50; /* Cam san hô */
      --page-au88online-accent-color: #ffd700; /* Vàng kim */
      --page-au88online-text-color: #333;
      --page-au88online-light-text-color: #f8f8f8;
      --page-au88online-background-color: #f5f5f5;
      --page-au88online-dark-background-color: #2c3e50; /* Xám xanh đậm */
      --page-au88online-border-color: #ddd;
    }

    .page-au88online {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-au88online-text-color);
      background-color: var(--page-au88online-background-color);
      padding: 0;
      margin: 0;
      overflow-x: hidden;
    }

    .page-au88online__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
      box-sizing: border-box;
    }

    .page-au88online__section--dark {
      background-color: var(--page-au88online-dark-background-color);
      color: var(--page-au88online-light-text-color);
    }

    .page-au88online__hero-section {
      position: relative;
      width: 100%;
      min-height: 350px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: var(--page-au88online-light-text-color);
      overflow: hidden;
      padding-top: 10px; /* For fixed header */
      box-sizing: border-box;
    }

    .page-au88online__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6);
    }

    .page-au88online__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      max-width: 800px;
    }

    .page-au88online__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      color: var(--page-au88online-accent-color);
    }

    .page-au88online__hero-subtitle {
      font-size: 1.3em;
      margin-bottom: 25px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-au88online__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-au88online-primary-color);
      color: var(--page-au88online-light-text-color);
      border: none;
      border-radius: 8px;
      font-size: 1.1em;
      cursor: pointer;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.2s ease;
      font-weight: bold;
    }

    .page-au88online__button:hover {
      background-color: var(--page-au88online-secondary-color);
      transform: translateY(-2px);
    }

    .page-au88online__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      padding: 15px 25px;
      background-color: var(--page-au88online-accent-color);
      color: var(--page-au88online-dark-background-color);
      border-radius: 50px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      font-size: 1.2em;
      font-weight: bold;
      animation: page-au88online-pulse 1.5s infinite;
      text-decoration: none;
      text-align: center;
      display: flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
      min-width: 150px;
      box-sizing: border-box;
    }

    .page-au88online__floating-button:hover {
      background-color: #ffd700;
      animation: none;
      transform: scale(1.05);
    }

    @keyframes page-au88online-pulse {
      0% {
        transform: scale(1);
      }
      50% {
        transform: scale(1.05);
      }
      100% {
        transform: scale(1);
      }
    }

    .page-au88online__heading {
      text-align: center;
      font-size: 2.2em;
      margin-bottom: 30px;
      color: var(--page-au88online-primary-color);
      position: relative;
    }

    .page-au88online__heading::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-au88online-accent-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-au88online__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-au88online__game-card {
      background-color: #fff;
      border-radius: 12px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      box-sizing: border-box;
      border: 1px solid var(--page-au88online-border-color);
    }

    .page-au88online__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-au88online__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-au88online__game-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-au88online__game-title {
      font-size: 1.5em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-au88online-dark-background-color);
    }

    .page-au88online__game-description {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-au88online__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-au88online__feature-item {
      background-color: #fff;
      border-radius: 12px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      text-align: center;
      border: 1px solid var(--page-au88online-border-color);
      box-sizing: border-box;
    }

    .page-au88online__feature-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 20px;
      display: block;
      margin-left: auto;
      margin-right: auto;
      object-fit: cover;
    }

    .page-au88online__feature-title {
      font-size: 1.4em;
      color: var(--page-au88online-primary-color);
      margin-bottom: 10px;
    }

    .page-au88online__feature-description {
      font-size: 1em;
      color: #555;
    }

    .page-au88online__cta-section {
      text-align: center;
      padding: 60px 20px;
      background: linear-gradient(135deg, var(--page-au88online-primary-color) 0%, var(--page-au88online-secondary-color) 100%);
      color: var(--page-au88online-light-text-color);
      border-radius: 15px;
      margin: 40px auto;
      max-width: 1000px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .page-au88online__cta-title {
      font-size: 2.5em;
      margin-bottom: 20px;
      color: var(--page-au88online-accent-color);
    }

    .page-au88online__cta-text {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-au88online__faq-container {
      max-width: 900px;
      margin: 40px auto;
      border-radius: 12px;
      background-color: #fff;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      border: 1px solid var(--page-au88online-border-color);
    }

    .page-au88online__faq-item {
      border-bottom: 1px solid #eee;
    }

    .page-au88online__faq-item:last-child {
      border-bottom: none;
    }

    .page-au88online__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #f9f9f9;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-au88online__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-au88online__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-au88online-dark-background-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-au88online__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-au88online-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-au88online__faq-item.active .page-au88online__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-au88online__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: #fff;
      opacity: 0;
      color: #555;
    }

    .page-au88online__faq-item.active .page-au88online__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-au88online__faq-answer p {
      margin: 0;
      padding-bottom: 10px;
    }

    .page-au88online__image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-au88online__image-responsive {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
    }

    @media (max-width: 768px) {
      .page-au88online__hero-title {
        font-size: 2em;
      }

      .page-au88online__hero-subtitle {
        font-size: 1em;
      }

      .page-au88online__heading {
        font-size: 1.8em;
      }

      .page-au88online__section {
        padding: 30px 15px;
      }

      .page-au88online__game-grid {
        grid-template-columns: 1fr;
      }

      .page-au88online__features-grid {
        grid-template-columns: 1fr;
      }

      .page-au88online__cta-title {
        font-size: 1.8em;
      }

      .page-au88online__cta-text {
        font-size: 1em;
      }

      .page-au88online__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      /* List item mobile responsiveness */
      .page-au88online__game-card,
      .page-au88online__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important; /* Adjust padding for smaller screens */
      }

      .page-au88online__game-description,
      .page-au88online__feature-description {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-au88online__game-image,
      .page-au88online__feature-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-au88online__faq-question,
      .page-au88online__faq-answer {
        padding-left: 15px !important;
        padding-right: 15px !important;
      }
    }