/* Tổng quan */
    .page-mb66 {
      font-family: 'Roboto', sans-serif;
      color: #e0e0e0;
      background-color: #1a1a2e;
      line-height: 1.6;
      padding-bottom: 50px; /* Đảm bảo chân trang không bị che */
    }

    .page-mb66__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-mb66__section {
      padding: 60px 0;
      text-align: center;
    }

    .page-mb66__section--dark {
      background-color: #16213e;
    }

    .page-mb66__section-title {
      font-size: 2.5em;
      color: #e94560;
      margin-bottom: 40px;
      font-weight: 700;
      text-transform: uppercase;
    }

    .page-mb66__section-title span {
      color: #0f3460;
    }

    .page-mb66__text-center {
      text-align: center;
    }

    /* Hero Section */
    .page-mb66__hero-section {
      position: relative;
      padding-top: 120px; /* Khoảng cách cho header cố định */
      background-color: #0f3460;
      color: #ffffff;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 600px;
    }

    .page-mb66__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-mb66__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 10px;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }

    .page-mb66__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
      max-width: 900px;
      text-align: center;
    }

    .page-mb66__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      font-weight: 900;
      color: #e94560;
      line-height: 1.2;
    }

    .page-mb66__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      color: #e0e0e0;
    }

    .page-mb66__cta-button {
      display: inline-block;
      background-color: #e94560;
      color: #ffffff;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
    }

    .page-mb66__cta-button:hover {
      background-color: #ff6b82;
      transform: translateY(-3px);
    }

    /* Floating Login Button */
    .page-mb66__floating-login {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
    }

    .page-mb66__floating-login-button {
      background-color: #0f3460;
      color: #ffffff;
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      display: flex;
      align-items: center;
      gap: 10px;
      transition: background-color 0.3s ease, transform 0.3s ease;
    }

    .page-mb66__floating-login-button:hover {
      background-color: #1a1a2e;
      transform: scale(1.05);
    }

    .page-mb66__floating-login-button img {
      width: 24px;
      height: 24px;
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* About Section */
    .page-mb66__about-content {
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      align-items: center;
      text-align: left;
    }

    .page-mb66__about-text {
      flex: 1;
      min-width: 300px;
      color: #e0e0e0;
    }

    .page-mb66__about-text h3 {
      color: #e94560;
      font-size: 1.8em;
      margin-bottom: 20px;
    }

    .page-mb66__about-image-wrapper {
      flex: 1;
      min-width: 300px;
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      text-align: center;
    }

    .page-mb66__about-image {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    /* Game Categories Section */
    .page-mb66__game-categories-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .page-mb66__game-card {
      background-color: #0f3460;
      border-radius: 10px;
      padding: 25px;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .page-mb66__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-mb66__game-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
    }

    .page-mb66__game-card-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
    }

    .page-mb66__game-card-title {
      font-size: 1.5em;
      color: #e94560;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .page-mb66__game-card-description {
      font-size: 0.95em;
      color: #e0e0e0;
    }

    /* Promotions Section */
    .page-mb66__promotions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
    }

    .page-mb66__promo-card {
      background-color: #1a1a2e;
      border-radius: 10px;
      padding: 25px;
      text-align: left;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      border: 1px solid #e94560;
      transition: transform 0.3s ease;
    }

    .page-mb66__promo-card:hover {
      transform: translateY(-5px);
    }

    .page-mb66__promo-card-title {
      font-size: 1.6em;
      color: #e94560;
      margin-bottom: 15px;
      font-weight: 700;
    }

    .page-mb66__promo-card-description {
      font-size: 1em;
      color: #e0e0e0;
      margin-bottom: 20px;
    }

    .page-mb66__promo-card-button {
      display: inline-block;
      background-color: #e94560;
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-mb66__promo-card-button:hover {
      background-color: #ff6b82;
    }

    /* Why Choose mb66 Section */
    .page-mb66__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .page-mb66__feature-item {
      background-color: #0f3460;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      text-align: center;
    }

    .page-mb66__feature-icon-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
      display: flex;
      justify-content: center;
    }

    .page-mb66__feature-icon {
      width: 80px; /* Adjust size as per the new requirement, min 200px */
      height: 80px; /* Will be replaced by larger images */
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
    }

    .page-mb66__feature-title {
      font-size: 1.4em;
      color: #e94560;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .page-mb66__feature-description {
      font-size: 0.95em;
      color: #e0e0e0;
    }

    /* Game Providers Section */
    .page-mb66__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

    .page-mb66__provider-logo-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      background-color: #1a1a2e;
      border-radius: 8px;
      padding: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100px; /* Fixed height for logos */
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-mb66__provider-logo-wrapper:hover {
      transform: scale(1.05);
      box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
    }

    .page-mb66__provider-logo {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      height: auto;
      display: block;
    }

    /* App Download Section */
    .page-mb66__app-download-content {
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      align-items: center;
      justify-content: center;
      text-align: left;
    }

    .page-mb66__app-download-text {
      flex: 1;
      min-width: 300px;
      color: #e0e0e0;
    }

    .page-mb66__app-download-text h3 {
      color: #e94560;
      font-size: 1.8em;
      margin-bottom: 20px;
    }

    .page-mb66__download-buttons {
      display: flex;
      gap: 15px;
      margin-top: 20px;
      flex-wrap: wrap;
    }

    .page-mb66__download-button {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background-color: #e94560;
      color: #ffffff;
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-mb66__download-button:hover {
      background-color: #ff6b82;
      transform: translateY(-2px);
    }

    .page-mb66__download-button img {
      width: 24px;
      height: 24px;
      max-width: 100%;
      height: auto;
      display: block;
    }

    .page-mb66__app-image-wrapper {
      flex: 1;
      min-width: 300px;
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      text-align: center;
    }

    .page-mb66__app-image {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    /* FAQ Section */
    .page-mb66__faq-list {
      margin-top: 40px;
      text-align: left;
    }

    .page-mb66__faq-item {
      background-color: #0f3460;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      overflow: hidden;
    }

    .page-mb66__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #1a1a2e;
      color: #e94560;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-mb66__faq-question:hover {
      background-color: #2a2a4a;
    }

    .page-mb66__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click */
      flex-grow: 1;
    }

    .page-mb66__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-mb66__faq-item.active .page-mb66__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-mb66__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #e0e0e0;
      font-size: 1em;
      text-align: justify;
    }

    .page-mb66__faq-item.active .page-mb66__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Contact Section */
    .page-mb66__contact-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-mb66__contact-item {
      background-color: #0f3460;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      text-align: center;
    }

    .page-mb66__contact-icon-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
      display: flex;
      justify-content: center;
    }

    .page-mb66__contact-icon {
      width: 60px; /* Will be replaced by larger images */
      height: 60px; /* Will be replaced by larger images */
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
    }

    .page-mb66__contact-title {
      font-size: 1.4em;
      color: #e94560;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .page-mb66__contact-info {
      font-size: 1em;
      color: #e0e0e0;
      word-break: break-all; /* For long URLs/emails */
    }

    .page-mb66__contact-info a {
      color: #e94560;
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-mb66__contact-info a:hover {
      color: #ff6b82;
      text-decoration: underline;
    }

    /* Responsive adjustments */
    @media (max-width: 992px) {
      .page-mb66__hero-title {
        font-size: 2.8em;
      }
      .page-mb66__hero-subtitle {
        font-size: 1.3em;
      }
      .page-mb66__section-title {
        font-size: 2em;
      }
      .page-mb66__about-content,
      .page-mb66__app-download-content {
        flex-direction: column;
      }
      .page-mb66__about-text,
      .page-mb66__app-download-text {
        text-align: center;
      }
    }

    @media (max-width: 768px) {
      .page-mb66__hero-section {
        padding-top: 100px; /* Điều chỉnh cho mobile header */
        min-height: 450px;
      }
      .page-mb66__hero-title {
        font-size: 2.2em;
      }
      .page-mb66__hero-subtitle {
        font-size: 1.1em;
      }
      .page-mb66__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-mb66__section {
        padding: 40px 0;
      }
      .page-mb66__section-title {
        font-size: 1.8em;
      }
      .page-mb66__game-card,
      .page-mb66__promo-card,
      .page-mb66__feature-item,
      .page-mb66__contact-item {
        padding: 20px;
      }
      .page-mb66__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }
      .page-mb66__faq-answer {
        padding: 0 20px;
      }
      .page-mb66__faq-item.active .page-mb66__faq-answer {
        padding: 15px 20px !important;
      }
      .page-mb66__floating-login {
        bottom: 15px;
        right: 15px;
      }
      .page-mb66__floating-login-button {
        padding: 12px 20px;
        font-size: 0.95em;
      }

      /* Responsive image optimization with !important */
      .page-mb66__hero-image,
      .page-mb66__about-image,
      .page-mb66__game-card-image,
      .page-mb66__feature-icon,
      .page-mb66__provider-logo,
      .page-mb66__app-image,
      .page-mb66__download-button img,
      .page-mb66__floating-login-button img,
      .page-mb66__contact-icon {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-mb66__hero-image-wrapper,
      .page-mb66__about-image-wrapper,
      .page-mb66__game-card-image-wrapper,
      .page-mb66__feature-icon-wrapper,
      .page-mb66__provider-logo-wrapper,
      .page-mb66__app-image-wrapper,
      .page-mb66__contact-icon-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-mb66__hero-title {
        font-size: 1.8em;
      }
      .page-mb66__hero-subtitle {
        font-size: 1em;
      }
      .page-mb66__section-title {
        font-size: 1.5em;
      }
      .page-mb66__download-buttons {
        flex-direction: column;
        align-items: center;
      }
      .page-mb66__download-button {
        width: 80%;
        justify-content: center;
      }
    }