/* Bắt đầu CSS cho trang Game MV66 */
    .page-mv66game {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f4f7f6;
      overflow-x: hidden;
    }

    .page-mv66game__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    /* Hero Section */
    .page-mv66game__hero-section {
      position: relative;
      width: 100%;
      min-height: 400px; /* Đảm bảo chiều cao đủ */
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      background-color: #002244;
      color: #fff;
      padding-top: 10px; /* Để tránh bị che bởi header cố định */
      padding-bottom: 50px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-mv66game__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.6;
      z-index: 1;
      max-width: 100%;
    }

    .page-mv66game__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      padding: 20px;
      background: rgba(0, 0, 0, 0.4);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      box-sizing: border-box;
    }

    .page-mv66game__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      font-weight: bold;
      color: #ffd700; /* Vàng kim */
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-mv66game__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      line-height: 1.5;
      color: #eee;
    }

    .page-mv66game__cta-button {
      display: inline-block;
      background-color: #007bff; /* Xanh dương */
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 123, 255, 0.4);
      border: none;
      cursor: pointer;
    }

    .page-mv66game__cta-button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    /* Floating Promo Button */
    .page-mv66game__floating-promo {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #dc3545; /* Đỏ */
      color: #fff;
      padding: 10px 20px;
      border-radius: 30px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: center;
      cursor: pointer;
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: pulse 2s infinite;
      box-sizing: border-box;
    }

    .page-mv66game__floating-promo:hover {
      background-color: #c82333;
      transform: scale(1.05);
    }

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

    .page-mv66game__floating-promo-text {
      font-weight: bold;
      margin-right: 10px;
      font-size: 1.1em;
    }

    .page-mv66game__floating-promo-button {
      background-color: #ffc107; /* Vàng */
      color: #333;
      padding: 8px 15px;
      border-radius: 20px;
      font-weight: bold;
      border: none;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }

    .page-mv66game__floating-promo-button:hover {
      background-color: #e0a800;
    }

    /* Section Styling */
    .page-mv66game__section {
      padding: 60px 0;
      background-color: #fff;
      margin-bottom: 20px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      border-radius: 8px;
    }

    .page-mv66game__section--alt {
      background-color: #e9ecef;
    }

    .page-mv66game__section-title {
      font-size: 2.5em;
      color: #002244;
      text-align: center;
      margin-bottom: 40px;
      position: relative;
    }

    .page-mv66game__section-title::after {
      content: '';
      display: block;
      width: 80px;
      height: 4px;
      background-color: #007bff;
      margin: 15px auto 0;
      border-radius: 2px;
    }

    /* Game Grid */
    .page-mv66game__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      padding: 0 20px;
    }

    .page-mv66game__game-card {
      background-color: #fff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
      box-sizing: border-box;
    }

    .page-mv66game__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-mv66game__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-mv66game__game-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-mv66game__game-title {
      font-size: 1.5em;
      color: #002244;
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-mv66game__game-description {
      font-size: 0.95em;
      color: #555;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    /* Promotion Cards */
    .page-mv66game__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      padding: 0 20px;
    }

    .page-mv66game__promo-card {
      background-color: #007bff;
      color: #fff;
      padding: 30px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
      transition: transform 0.3s ease, background-color 0.3s ease;
      box-sizing: border-box;
    }

    .page-mv66game__promo-card:hover {
      transform: translateY(-5px);
      background-color: #0056b3;
    }

    .page-mv66game__promo-icon {
      font-size: 3em;
      margin-bottom: 15px;
      color: #ffd700;
    }

    .page-mv66game__promo-title {
      font-size: 1.8em;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-mv66game__promo-text {
      font-size: 1.1em;
      line-height: 1.4;
    }

    /* Steps List */
    .page-mv66game__steps-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      padding: 0 20px;
      list-style: none;
      margin: 0;
    }

    .page-mv66game__step-item {
      background-color: #fff;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      text-align: center;
      position: relative;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-mv66game__step-item:hover {
      transform: translateY(-5px);
    }

    .page-mv66game__step-number {
      background-color: #002244;
      color: #fff;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2em;
      font-weight: bold;
      margin: -60px auto 20px; /* Di chuyển số lên trên */
      border: 5px solid #fff;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    .page-mv66game__step-title {
      font-size: 1.8em;
      color: #002244;
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-mv66game__step-description {
      font-size: 1em;
      color: #555;
    }

    /* Benefits Grid */
    .page-mv66game__benefits-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      padding: 0 20px;
    }

    .page-mv66game__benefit-item {
      background-color: #fff;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-mv66game__benefit-item:hover {
      transform: translateY(-5px);
    }

    .page-mv66game__benefit-icon {
      font-size: 3em;
      color: #007bff;
      margin-bottom: 15px;
    }

    .page-mv66game__benefit-title {
      font-size: 1.8em;
      color: #002244;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-mv66game__benefit-text {
      font-size: 1em;
      color: #555;
    }

    /* FAQ Section */
    .page-mv66game__faq-section {
      padding: 60px 0;
      background-color: #e9ecef;
      margin-bottom: 20px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      border-radius: 8px;
    }

    .page-mv66game__faq-container {
      max-width: 900px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .page-mv66game__faq-item {
      background-color: #fff;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-mv66game__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #002244;
      color: #fff;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-mv66game__faq-question:hover {
      background-color: #003366;
    }

    .page-mv66game__faq-title {
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      color: #fff;
    }

    .page-mv66game__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
      color: #ffd700;
    }

    .page-mv66game__faq-item.active .page-mv66game__faq-toggle {
      transform: rotate(45deg); /* Chuyển dấu '+' thành 'x' hoặc '-' */
    }

    .page-mv66game__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      background-color: #f8f9fa;
      color: #333;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      box-sizing: border-box;
    }

    .page-mv66game__faq-item.active .page-mv66game__faq-answer {
      max-height: 2000px !important; /* Đảm bảo đủ cao cho mọi nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-mv66game__faq-answer p {
      margin-bottom: 1em;
    }

    .page-mv66game__faq-answer p:last-child {
      margin-bottom: 0;
    }

    /* Responsive Design */
    @media (max-width: 992px) {
      .page-mv66game__hero-title {
        font-size: 2.5em;
      }
      .page-mv66game__hero-description {
        font-size: 1.1em;
      }
      .page-mv66game__section-title {
        font-size: 2em;
      }
      .page-mv66game__game-grid,
      .page-mv66game__promo-grid,
      .page-mv66game__steps-list,
      .page-mv66game__benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      }
    }

    @media (max-width: 768px) {
      .page-mv66game__hero-section {
        min-height: 350px;
        padding-top: 10px !important; /* Đảm bảo khoảng cách trên di động */
      }
      .page-mv66game__hero-title {
        font-size: 2em;
      }
      .page-mv66game__hero-description {
        font-size: 1em;
      }
      .page-mv66game__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }
      .page-mv66game__section {
        padding: 40px 0;
      }
      .page-mv66game__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }
      .page-mv66game__game-grid,
      .page-mv66game__promo-grid,
      .page-mv66game__steps-list,
      .page-mv66game__benefits-grid {
        grid-template-columns: 1fr; /* Một cột trên di động */
        padding: 0 15px;
      }
      .page-mv66game__game-card,
      .page-mv66game__promo-card,
      .page-mv66game__step-item,
      .page-mv66game__benefit-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important; /* Giảm padding */
      }
      .page-mv66game__game-image {
        height: 180px;
      }
      .page-mv66game__game-title,
      .page-mv66game__promo-title,
      .page-mv66game__step-title,
      .page-mv66game__benefit-title {
        font-size: 1.4em;
      }
      .page-mv66game__floating-promo {
        bottom: 15px;
        right: 15px;
        padding: 8px 15px;
      }
      .page-mv66game__floating-promo-text {
        font-size: 1em;
      }
      .page-mv66game__floating-promo-button {
        padding: 6px 12px;
        font-size: 0.9em;
      }
      .page-mv66game__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }
      .page-mv66game__faq-answer {
        padding: 0 20px;
      }
      .page-mv66game__faq-item.active .page-mv66game__faq-answer {
        padding: 15px 20px !important;
      }
      .page-mv66game__container {
        padding: 15px;
      }
      .page-mv66game__step-number {
        width: 50px;
        height: 50px;
        font-size: 1.8em;
        margin: -50px auto 15px;
      }
    }

    @media (max-width: 480px) {
      .page-mv66game__hero-title {
        font-size: 1.8em;
      }
      .page-mv66game__hero-description {
        font-size: 0.9em;
      }
      .page-mv66game__cta-button {
        padding: 10px 20px;
        font-size: 1em;
      }
      .page-mv66game__section-title {
        font-size: 1.6em;
      }
      .page-mv66game__game-image {
        height: 160px;
      }
    }