:root {
      --page-mv88apk-primary-color: #f7b32b; /* Vàng cam */
      --page-mv88apk-secondary-color: #2c3e50; /* Xám xanh đậm */
      --page-mv88apk-accent-color: #e74c3c; /* Đỏ */
      --page-mv88apk-text-light: #ecf0f1; /* Trắng xám */
      --page-mv88apk-text-dark: #34495e; /* Xám đậm */
      --page-mv88apk-background-dark: #1c2833; /* Rất đậm */
      --page-mv88apk-background-medium: #2c3e50; /* Xám xanh đậm */
      --page-mv88apk-border-color: #34495e;
    }

    .page-mv88apk {
      font-family: 'Arial', sans-serif;
      color: var(--page-mv88apk-text-light);
      background-color: var(--page-mv88apk-background-dark);
      line-height: 1.6;
      padding-bottom: 80px; /* Space for footer placeholder */
    }

    .page-mv88apk__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    /* Fixed Header Spacing for Hero Section */
    .page-mv88apk__hero-section {
      padding-top: 10px; /* Adjust as needed for fixed header */
      position: relative;
      background-color: var(--page-mv88apk-background-medium);
      text-align: center;
      padding-bottom: 40px;
    }

    .page-mv88apk__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8));
      z-index: 1;
    }

    .page-mv88apk__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-mv88apk__hero-section img {
      width: 100%;
      height: auto;
      display: block;
      margin-bottom: 20px;
      border-radius: 10px;
      object-fit: cover;
      max-height: 500px;
    }

    .page-mv88apk__hero-section h1 {
      color: var(--page-mv88apk-primary-color);
      font-size: 2.8em;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    }

    .page-mv88apk__hero-section p {
      font-size: 1.2em;
      color: var(--page-mv88apk-text-light);
      margin-bottom: 30px;
    }

    .page-mv88apk__button {
      display: inline-block;
      background-color: var(--page-mv88apk-primary-color);
      color: var(--page-mv88apk-background-dark);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-mv88apk__button:hover {
      background-color: #ffd700; /* Vàng sáng hơn */
      transform: translateY(-2px);
    }

    .page-mv88apk__external-link {
      color: var(--page-mv88apk-primary-color);
      text-decoration: underline;
      margin-top: 15px;
      display: block;
      font-size: 1.1em;
      transition: color 0.3s ease;
    }

    .page-mv88apk__external-link:hover {
      color: #ffd700;
    }

    .page-mv88apk__section {
      background-color: var(--page-mv88apk-background-medium);
      margin-bottom: 30px;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    }

    .page-mv88apk__section h2 {
      color: var(--page-mv88apk-primary-color);
      font-size: 2em;
      margin-bottom: 20px;
      text-align: center;
      border-bottom: 2px solid var(--page-mv88apk-border-color);
      padding-bottom: 10px;
    }

    .page-mv88apk__section h3 {
      color: var(--page-mv88apk-text-light);
      font-size: 1.5em;
      margin-bottom: 15px;
    }

    .page-mv88apk__section p {
      color: var(--page-mv88apk-text-light);
      margin-bottom: 15px;
    }

    .page-mv88apk__image-wrapper {
      text-align: center;
      margin: 20px 0;
    }

    .page-mv88apk__image-wrapper img {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    }

    .page-mv88apk__download-guide-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-mv88apk__download-step {
      background-color: var(--page-mv88apk-background-dark);
      padding: 25px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 2px 5px rgba(0,0,0,0.4);
      transition: transform 0.3s ease;
    }

    .page-mv88apk__download-step:hover {
      transform: translateY(-5px);
    }

    .page-mv88apk__download-step h3 {
      color: var(--page-mv88apk-primary-color);
      font-size: 1.6em;
      margin-bottom: 15px;
    }

    .page-mv88apk__download-step p {
      color: var(--page-mv88apk-text-light);
      margin-bottom: 15px;
    }

    .page-mv88apk__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-mv88apk__game-card {
      background-color: var(--page-mv88apk-background-dark);
      padding: 20px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 2px 5px rgba(0,0,0,0.4);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-mv88apk__game-card:hover {
      transform: translateY(-5px);
    }

    .page-mv88apk__game-card img {
      max-width: 100%;
      height: 180px; /* Fixed height for consistency */
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
    }

    .page-mv88apk__game-card h3 {
      color: var(--page-mv88apk-primary-color);
      font-size: 1.4em;
      margin-bottom: 10px;
    }

    .page-mv88apk__game-card p {
      color: var(--page-mv88apk-text-light);
      font-size: 0.95em;
    }

    /* Floating Button */
    .page-mv88apk__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-mv88apk-accent-color);
      color: var(--page-mv88apk-text-light);
      padding: 15px 25px;
      border-radius: 50px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.4);
      animation: page-mv88apk__pulse 1.5s infinite;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      text-align: center;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background-color 0.3s ease;
    }

    .page-mv88apk__floating-button:hover {
      background-color: #c0392b; /* Đỏ đậm hơn */
    }

    @keyframes page-mv88apk__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* FAQ Section */
    .page-mv88apk__faq-section {
      background-color: var(--page-mv88apk-background-medium);
      margin-bottom: 30px;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    }

    .page-mv88apk__faq-section h2 {
      color: var(--page-mv88apk-primary-color);
      font-size: 2em;
      margin-bottom: 20px;
      text-align: center;
      border-bottom: 2px solid var(--page-mv88apk-border-color);
      padding-bottom: 10px;
    }

    .page-mv88apk__faq-item {
      background-color: var(--page-mv88apk-background-dark);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    }

    .page-mv88apk__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: var(--page-mv88apk-background-dark);
      cursor: pointer;
      user-select: none;
      border-bottom: 1px solid var(--page-mv88apk-border-color);
      transition: background-color 0.3s ease;
    }

    .page-mv88apk__faq-question:hover {
      background-color: #263440; /* Slightly lighter dark background */
    }

    .page-mv88apk__faq-question h3 {
      margin: 0;
      color: var(--page-mv88apk-text-light);
      font-size: 1.3em;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-mv88apk__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-mv88apk-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-mv88apk__faq-item.active .page-mv88apk__faq-toggle {
      transform: rotate(45deg);
    }

    .page-mv88apk__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: var(--page-mv88apk-text-light);
      background-color: var(--page-mv88apk-background-dark);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-mv88apk__faq-item.active .page-mv88apk__faq-answer {
      max-height: 2000px !important; /* Use !important to ensure override */
      padding: 20px 25px !important; /* Use !important to ensure override */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-mv88apk__container {
        padding: 15px;
      }

      .page-mv88apk__hero-section {
        padding-top: 10px; /* Adjust for mobile fixed header */
      }

      .page-mv88apk__hero-section h1 {
        font-size: 2em;
      }

      .page-mv88apk__hero-section p {
        font-size: 1em;
      }

      .page-mv88apk__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-mv88apk__section {
        padding: 20px;
      }

      .page-mv88apk__section h2 {
        font-size: 1.8em;
      }

      .page-mv88apk__section h3 {
        font-size: 1.3em;
      }

      .page-mv88apk__download-guide-steps,
      .page-mv88apk__game-grid {
        grid-template-columns: 1fr; /* Stack columns on mobile */
        gap: 20px;
      }

      .page-mv88apk__game-card img {
        height: 150px; /* Adjust height for mobile */
      }

      .page-mv88apk__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      /* List item responsive requirements */
      .page-mv88apk__download-step,
      .page-mv88apk__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-mv88apk__faq-question {
        padding: 15px 20px;
      }

      .page-mv88apk__faq-question h3 {
        font-size: 1.1em;
      }

      .page-mv88apk__faq-toggle {
        font-size: 1.5em;
      }

      .page-mv88apk__faq-answer {
        padding: 0 20px;
      }

      .page-mv88apk__faq-item.active .page-mv88apk__faq-answer {
        padding: 15px 20px !important;
      }

      .page-mv88apk__image-wrapper img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-mv88apk__hero-section h1 {
        font-size: 1.8em;
      }
      .page-mv88apk__section h2 {
        font-size: 1.6em;
      }
      .page-mv88apk__floating-button {
        font-size: 0.9em;
        padding: 10px 15px;
      }
    }