:root {
      --page-mb66-primary-color: #e44d26; /* Cam đỏ */
      --page-mb66-secondary-color: #333; /* Xám đen */
      --page-mb66-accent-color: #f7b731; /* Vàng cam */
      --page-mb66-text-color: #333;
      --page-mb66-background-color: #f0f2f5; /* Xám nhạt */
      --page-mb66-light-text: #fff;
      --page-mb66-border-color: #ddd;
    }

    .page-mb66 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-mb66-text-color);
      background-color: var(--page-mb66-background-color);
    }

    /* Fixed Header Padding */
    .page-mb66__hero-section {
      padding-top: 120px; /* Default for desktop */
    }

    @media (max-width: 768px) {
      .page-mb66__hero-section {
        padding-top: 100px; /* Adjusted for mobile */
      }
    }

    .page-mb66__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-mb66__section {
      background-color: #fff;
      margin-bottom: 20px;
      padding: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      text-align: center;
    }

    .page-mb66__section--dark {
      background-color: var(--page-mb66-secondary-color);
      color: var(--page-mb66-light-text);
    }

    .page-mb66__title {
      color: var(--page-mb66-primary-color);
      font-size: 2.5em;
      margin-bottom: 20px;
      text-align: center;
      text-transform: uppercase;
    }

    .page-mb66__section--dark .page-mb66__title {
      color: var(--page-mb66-accent-color);
    }

    .page-mb66__subtitle {
      color: var(--page-mb66-secondary-color);
      font-size: 1.8em;
      margin-bottom: 15px;
      text-align: center;
    }

    .page-mb66__section--dark .page-mb66__subtitle {
      color: var(--page-mb66-light-text);
    }

    .page-mb66__text {
      font-size: 1.1em;
      line-height: 1.8;
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-mb66__button {
      display: inline-block;
      background-color: var(--page-mb66-primary-color);
      color: var(--page-mb66-light-text);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      font-size: 1.1em;
      border: none;
      cursor: pointer;
    }

    .page-mb66__button:hover {
      background-color: #c94020;
    }

    /* Hero Section */
    .page-mb66__hero-section {
      position: relative;
      background-color: #222;
      color: #fff;
      text-align: center;
      padding: 40px 20px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .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: 8px;
    }

    .page-mb66__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-mb66__hero-title {
      font-size: 3em;
      color: var(--page-mb66-accent-color);
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-mb66__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: #eee;
    }

    /* Floating Login Button */
    .page-mb66__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-mb66-primary-color);
      color: var(--page-mb66-light-text);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, background-color 0.3s ease;
      font-size: 1.2em;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-mb66__floating-button:hover {
      background-color: #c94020;
      transform: translateY(-3px);
    }

    /* Game Categories */
    .page-mb66__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-mb66__category-card {
      background-color: #fff;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .page-mb66__category-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-mb66__category-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
    }

    .page-mb66__category-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-mb66__category-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-mb66__category-title {
      font-size: 1.5em;
      color: var(--page-mb66-primary-color);
      margin-bottom: 10px;
      text-decoration: none;
      font-weight: bold;
    }

    .page-mb66__category-title a {
      color: var(--page-mb66-primary-color);
      text-decoration: none;
    }

    .page-mb66__category-title a:hover {
      text-decoration: underline;
    }

    .page-mb66__category-description {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
      text-align: justify;
    }

    /* Game Providers */
    .page-mb66__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-items: center;
    }

    .page-mb66__provider-item {
      text-align: center;
      background-color: #fff;
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      transition: transform 0.2s ease;
    }

    .page-mb66__provider-item:hover {
      transform: translateY(-3px);
    }

    .page-mb66__provider-logo-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 100px; /* Standardized height for logos */
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 10px;
    }

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

    .page-mb66__provider-name {
      font-weight: bold;
      color: var(--page-mb66-secondary-color);
      font-size: 1em;
    }

    /* Payment Methods */
    .page-mb66__payment-methods-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-mb66__payment-method-item {
      background-color: #fff;
      padding: 15px 25px;
      border-radius: 5px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      font-weight: bold;
      color: var(--page-mb66-secondary-color);
      transition: background-color 0.2s ease;
      min-width: 120px;
      text-align: center;
    }

    .page-mb66__payment-method-item:hover {
      background-color: var(--page-mb66-background-color);
    }

    /* FAQ Section */
    .page-mb66__faq-list {
      margin-top: 30px;
      text-align: left;
    }

    .page-mb66__faq-item {
      background-color: #fff;
      border: 1px solid var(--page-mb66-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-mb66__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #f9f9f9;
      font-weight: bold;
      color: var(--page-mb66-secondary-color);
      font-size: 1.1em;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-mb66__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-mb66-secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

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

    .page-mb66__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 10px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .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 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #555;
    }

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

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-mb66__container {
        padding: 15px;
      }

      .page-mb66__section {
        padding: 20px;
      }

      .page-mb66__title {
        font-size: 2em;
      }

      .page-mb66__subtitle {
        font-size: 1.5em;
      }

      .page-mb66__hero-title {
        font-size: 2.2em;
      }

      .page-mb66__hero-description {
        font-size: 1em;
      }

      .page-mb66__floating-button {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }

      .page-mb66__game-categories {
        grid-template-columns: 1fr;
      }

      .page-mb66__category-image-wrapper {
        height: 180px;
      }

      .page-mb66__providers-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }

      .page-mb66__provider-logo-wrapper {
        height: 80px;
      }

      .page-mb66__provider-logo {
        max-height: 80px;
      }

      .page-mb66__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-mb66__faq-question h3 {
        font-size: 1em;
      }

      .page-mb66__faq-answer {
        padding: 0 15px;
      }

      .page-mb66__faq-item.active .page-mb66__faq-answer {
        padding: 15px 15px !important;
      }

      /* Responsive image optimization */
      .page-mb66 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-mb66__hero-image-wrapper,
      .page-mb66__category-image-wrapper,
      .page-mb66__provider-logo-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }