:root {
      --page-viva88bong88-primary-color: #e44d26; /* Màu cam đậm */
      --page-viva88bong88-secondary-color: #f7b731; /* Màu vàng cam */
      --page-viva88bong88-dark-color: #2c3e50; /* Màu xanh đậm */
      --page-viva88bong88-light-color: #ecf0f1; /* Màu xám nhạt */
      --page-viva88bong88-text-color: #34495e; /* Màu chữ chính */
      --page-viva88bong88-white: #ffffff;
      --page-viva88bong88-border-radius: 8px;
      --page-viva88bong88-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-viva88bong88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-viva88bong88-text-color);
      background-color: var(--page-viva88bong88-light-color);
      padding-bottom: 80px; /* Space for fixed footer/floating button */
    }

    .page-viva88bong88__hero-section {
      position: relative;
      width: 100%;
      min-height: 300px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: var(--page-viva88bong88-white);
      overflow: hidden;
      padding: 10px 20px 40px; /* Padding-top for fixed header */
      box-sizing: border-box;
    }

    .page-viva88bong88__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6);
    }

    .page-viva88bong88__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-viva88bong88__hero-title {
      font-size: 2.5em;
      margin-bottom: 10px;
      color: var(--page-viva88bong88-white);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-viva88bong88__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 20px;
      color: var(--page-viva88bong88-white);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    }

    .page-viva88bong88__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-viva88bong88-primary-color);
      color: var(--page-viva88bong88-white);
      padding: 15px 25px;
      border-radius: 50px;
      text-align: center;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: var(--page-viva88bong88-shadow);
      z-index: 1000;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.3s ease;
      text-decoration: none; /* Ensure no underline */
    }

    .page-viva88bong88__floating-button:hover {
      background-color: var(--page-viva88bong88-secondary-color);
      transform: translateY(-3px);
    }

    .page-viva88bong88__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      background-color: var(--page-viva88bong88-white);
      border-radius: var(--page-viva88bong88-border-radius);
      box-shadow: var(--page-viva88bong88-shadow);
      margin-top: 20px;
    }

    .page-viva88bong88__section-title {
      font-size: 2em;
      color: var(--page-viva88bong88-dark-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-viva88bong88__section-title::after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: var(--page-viva88bong88-primary-color);
      border-radius: 2px;
    }

    .page-viva88bong88__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-viva88bong88__card {
      background-color: var(--page-viva88bong88-light-color);
      border-radius: var(--page-viva88bong88-border-radius);
      box-shadow: var(--page-viva88bong88-shadow);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-viva88bong88__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-viva88bong88__card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      max-width: 100%;
      height: auto;
      display: block;
    }

    .page-viva88bong88__card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .page-viva88bong88__card-title {
      font-size: 1.3em;
      color: var(--page-viva88bong88-primary-color);
      margin-bottom: 10px;
    }

    .page-viva88bong88__card-description {
      font-size: 0.95em;
      color: var(--page-viva88bong88-text-color);
    }

    .page-viva88bong88__button {
      display: inline-block;
      background-color: var(--page-viva88bong88-primary-color);
      color: var(--page-viva88bong88-white);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      margin-top: 20px;
    }

    .page-viva88bong88__button:hover {
      background-color: var(--page-viva88bong88-secondary-color);
    }

    .page-viva88bong88__text-content {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-align: left;
    }

    .page-viva88bong88__text-content p {
      margin-bottom: 15px;
    }

    .page-viva88bong88__text-content ul {
      list-style: disc;
      padding-left: 20px;
      margin-bottom: 15px;
    }

    .page-viva88bong88__text-content li {
      margin-bottom: 8px;
    }

    .page-viva88bong88__faq-section {
      background-color: var(--page-viva88bong88-white);
      padding: 40px 20px;
      max-width: 1200px;
      margin: 20px auto;
      border-radius: var(--page-viva88bong88-border-radius);
      box-shadow: var(--page-viva88bong88-shadow);
    }

    .page-viva88bong88__faq-title {
      font-size: 2em;
      color: var(--page-viva88bong88-dark-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-viva88bong88__faq-title::after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: var(--page-viva88bong88-primary-color);
      border-radius: 2px;
    }

    .page-viva88bong88__faq-item {
      margin-bottom: 15px;
      border: 1px solid #ddd;
      border-radius: var(--page-viva88bong88-border-radius);
      overflow: hidden;
      background-color: var(--page-viva88bong88-light-color);
    }

    .page-viva88bong88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-viva88bong88-primary-color);
      color: var(--page-viva88bong88-white);
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-viva88bong88__faq-question:hover {
      background-color: var(--page-viva88bong88-secondary-color);
    }

    .page-viva88bong88__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-viva88bong88__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent toggle icon from blocking click */
      transition: transform 0.3s ease;
    }

    .page-viva88bong88__faq-item.active .page-viva88bong88__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar, or - if using a minus sign initially */
    }

    .page-viva88bong88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      background-color: var(--page-viva88bong88-white);
      color: var(--page-viva88bong88-text-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    }

    .page-viva88bong88__faq-item.active .page-viva88bong88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-viva88bong88__hero-title {
        font-size: 2em;
      }

      .page-viva88bong88__hero-subtitle {
        font-size: 1em;
      }

      .page-viva88bong88__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-viva88bong88__section {
        padding: 25px 15px;
        margin-top: 15px;
      }

      .page-viva88bong88__section-title {
        font-size: 1.7em;
        margin-bottom: 25px;
      }

      .page-viva88bong88__grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-viva88bong88__card-title {
        font-size: 1.2em;
      }

      .page-viva88bong88__card-description {
        font-size: 0.9em;
      }

      .page-viva88bong88__text-content {
        font-size: 1em;
      }

      .page-viva88bong88__text-content ul {
        padding-left: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-viva88bong88__text-content li {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-viva88bong88__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-viva88bong88__faq-question h3 {
        font-size: 1em;
      }

      .page-viva88bong88__faq-answer {
        padding: 15px 15px !important;
      }
    }

    @media (max-width: 480px) {
      .page-viva88bong88__hero-title {
        font-size: 1.8em;
      }

      .page-viva88bong88__hero-subtitle {
        font-size: 0.9em;
      }

      .page-viva88bong88__floating-button {
        padding: 10px 18px;
        font-size: 0.9em;
        bottom: 10px;
        right: 10px;
      }

      .page-viva88bong88__section-title {
        font-size: 1.5em;
      }
    }