/* Tổng quan */
    .page-mo {
      font-family: 'Arial', sans-serif;
      color: #FFFFFF; /* Màu chữ chính */
      background-color: #000000; /* Màu nền chính */
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    .page-mo__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-mo__section--dark {
      background-color: #1a1a1a;
    }

    .page-mo__heading-primary {
      font-size: 2.8em;
      color: #FFD700; /* Màu vàng nổi bật */
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .page-mo__heading-secondary {
      font-size: 2em;
      color: #FFD700;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-mo__heading-secondary::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background-color: #FFD700;
      border-radius: 2px;
    }

    .page-mo__text {
      font-size: 1.1em;
      margin-bottom: 15px;
      color: #FFFFFF;
    }

    .page-mo__button {
      display: inline-block;
      background-color: #FFD700;
      color: #000000;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-mo__button:hover {
      background-color: #e0b800;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-mo__hero-section {
      position: relative;
      padding-top: 150px; /* An toàn cho header cố định */
      padding-bottom: 60px;
      text-align: center;
      background-color: #000000;
    }

    .page-mo__hero-image {
      width: 100%;
      height: auto;
      max-height: 500px;
      object-fit: cover;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 5px 15px rgba(255, 215, 0, 0.2);
    }

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

    .page-mo__game-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-mo__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
    }

    .page-mo__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      border-bottom: 3px solid #FFD700;
    }

    .page-mo__game-card-title {
      font-size: 1.4em;
      color: #FFD700;
      margin: 15px 10px 0;
      font-weight: bold;
    }

    /* Promotions Section */
    .page-mo__promo-card {
      background: linear-gradient(45deg, #222222, #000000);
      border: 2px solid #FFD700;
      border-radius: 15px;
      padding: 30px;
      margin: 30px auto;
      max-width: 800px;
      box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
    }

    .page-mo__promo-title {
      font-size: 2.2em;
      color: #FFD700;
      margin-bottom: 15px;
    }

    .page-mo__promo-description {
      font-size: 1.2em;
      color: #FFFFFF;
      margin-bottom: 25px;
    }

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

    .page-mo__provider-logo {
      width: 100%;
      height: 100px; /* Đảm bảo kích thước tối thiểu */
      object-fit: contain;
      background-color: #1a1a1a;
      padding: 10px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
    }

    .page-mo__provider-logo:hover {
      transform: scale(1.05);
      border: 1px solid #FFD700;
    }

    /* Why Choose Section */
    .page-mo__features-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      text-align: left;
    }

    .page-mo__feature-item {
      background-color: #1a1a1a;
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      border-left: 5px solid #FFD700;
    }

    .page-mo__feature-item-title {
      font-size: 1.3em;
      color: #FFD700;
      margin-bottom: 10px;
    }

    .page-mo__feature-item-text {
      color: #FFFFFF;
    }

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

    .page-mo__instruction-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
      text-align: center;
      transition: background-color 0.3s ease;
    }

    .page-mo__instruction-card:hover {
      background-color: #2a2a2a;
    }

    .page-mo__instruction-icon {
      width: 80px;
      height: 80px;
      object-fit: contain;
      margin-bottom: 15px;
      filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
    }

    .page-mo__instruction-title {
      font-size: 1.4em;
      color: #FFD700;
      margin-bottom: 10px;
    }

    .page-mo__instruction-text {
      color: #FFFFFF;
      font-size: 1em;
      margin-bottom: 20px;
    }

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

    .page-mo__faq-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      overflow: hidden;
    }

    .page-mo__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px;
      background-color: #2a2a2a;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      border-left: 5px solid transparent;
    }

    .page-mo__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-mo__faq-item.active .page-mo__faq-question {
      border-left-color: #FFD700;
    }

    .page-mo__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: #FFD700;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-mo__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: #FFD700;
      line-height: 1;
      pointer-events: none; /* Prevent toggle from blocking click event */
      transition: transform 0.3s ease;
    }

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

    .page-mo__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #CCCCCC;
    }

    .page-mo__faq-item.active .page-mo__faq-answer {
      max-height: 2000px !important; /* Use !important as required */
      padding: 20px !important; /* Use !important as required */
      opacity: 1;
    }

    /* Floating Login Button */
    .page-mo__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #FFD700;
      color: #000000;
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
      z-index: 1000;
      transition: transform 0.3s ease, background-color 0.3s ease;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-mo__floating-button:hover {
      background-color: #e0b800;
      transform: translateY(-3px);
    }

    .page-mo__floating-button-icon {
      width: 24px;
      height: 24px;
      object-fit: contain;
      filter: invert(1); /* Keep icon white on yellow background */
    }

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

      .page-mo__hero-section {
        padding-top: 100px; /* Adjusted for mobile header */
        padding-bottom: 40px;
      }

      .page-mo__hero-image {
        max-height: 300px;
      }

      .page-mo__heading-primary {
        font-size: 2em;
      }

      .page-mo__heading-secondary {
        font-size: 1.6em;
      }

      .page-mo__text {
        font-size: 1em;
      }

      .page-mo__button {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-mo__game-grid,
      .page-mo__providers-grid,
      .page-mo__features-list,
      .page-mo__instruction-grid {
        grid-template-columns: 1fr;
      }

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

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

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

      .page-mo__feature-item-title {
        font-size: 1.1em;
      }

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

      .page-mo__faq-question {
        padding: 15px;
      }

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

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

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

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

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

    /* All images must be responsive */
    .page-mo img {
      max-width: 100%;
      height: auto;
      box-sizing: border-box;
    }
    @media (max-width: 768px) {
      .page-mo img {
        max-width: 100% !important;
        height: auto !important;
      }
    }
    /* Image containers */
    .page-mo__image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }