/* Tổng thể */
    .page-bl55 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: #e0e0e0;
      background-color: #1a1a2e;
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-bl55__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-bl55__section {
      padding: 60px 0;
      text-align: center;
      position: relative;
    }

    .page-bl55__section--dark {
      background-color: #0f0f1a;
    }

    .page-bl55__section-title {
      font-size: 2.8em;
      margin-bottom: 40px;
      color: #ffcc00; /* Vàng nổi bật */
      position: relative;
      padding-bottom: 10px;
      display: inline-block;
    }

    .page-bl55__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: #e60073; /* Hồng tím nổi bật */
      border-radius: 2px;
    }

    .page-bl55__text {
      font-size: 1.1em;
      color: #cccccc;
      margin-bottom: 20px;
    }

    /* Hero Section */
    .page-bl55__hero-section {
      background: linear-gradient(135deg, #0f0f1a, #1a1a2e);
      padding-top: 10px; /* Small padding, assuming body has main offset */
      padding-bottom: 80px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 500px;
      position: relative;
      overflow: hidden;
    }

    .page-bl55__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      filter: brightness(0.4); /* Làm tối nền để chữ nổi bật */
    }

    .page-bl55__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      padding: 20px;
    }

    .page-bl55__hero-title {
      font-size: 3.8em;
      color: #ffcc00;
      margin-bottom: 20px;
      line-height: 1.2;
      text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    }

    .page-bl55__hero-subtitle {
      font-size: 1.6em;
      color: #ffffff;
      margin-bottom: 30px;
      text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
    }

    .page-bl55__button {
      display: inline-block;
      background-color: #e60073;
      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;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-bl55__button:hover {
      background-color: #ff3399;
      transform: translateY(-3px);
    }

    /* Game Categories */
    .page-bl55__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-bl55__game-card {
      background-color: #2a2a4a;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-bl55__game-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 12px 25px rgba(0, 0, 0, 0.6);
    }

    .page-bl55__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      border-bottom: 4px solid #e60073;
      max-width: 100%; /* Responsive image */
      box-sizing: border-box; /* Responsive image */
    }

    .page-bl55__game-title {
      font-size: 1.8em;
      color: #ffcc00;
      margin: 20px 0 10px;
      padding: 0 15px;
    }

    .page-bl55__game-description {
      font-size: 1em;
      color: #cccccc;
      padding: 0 15px;
    }

    /* Promotions */
    .page-bl55__promotions-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-bl55__promotion-item {
      background-color: #2a2a4a;
      border-radius: 15px;
      padding: 30px;
      text-align: left;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-bl55__promotion-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    }

    .page-bl55__promotion-title {
      font-size: 1.6em;
      color: #ffcc00;
      margin-bottom: 15px;
    }

    .page-bl55__promotion-description {
      font-size: 1em;
      color: #cccccc;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .page-bl55__promotion-date {
      font-size: 0.9em;
      color: #999999;
      text-align: right;
    }

    /* Why Choose BL55 */
    .page-bl55__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-bl55__feature-item {
      background-color: #2a2a4a;
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
    }

    .page-bl55__feature-icon {
      width: 100px;
      height: 100px;
      margin-bottom: 20px;
      object-fit: contain;
      max-width: 100%; /* Responsive image */
      box-sizing: border-box; /* Responsive image */
    }

    .page-bl55__feature-title {
      font-size: 1.5em;
      color: #ffcc00;
      margin-bottom: 10px;
    }

    .page-bl55__feature-description {
      font-size: 1em;
      color: #cccccc;
    }

    /* Call to Action */
    .page-bl55__cta-section {
      background-color: #e60073;
      padding: 80px 20px;
      text-align: center;
      border-radius: 20px;
      margin: 40px auto;
      max-width: 900px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .page-bl55__cta-title {
      font-size: 2.5em;
      color: #ffffff;
      margin-bottom: 20px;
      text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
    }

    .page-bl55__cta-text {
      font-size: 1.2em;
      color: #ffe0f0;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* FAQ Section */
    .page-bl55__faq-list {
      margin-top: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      text-align: left;
    }

    .page-bl55__faq-item {
      background-color: #2a2a4a;
      margin-bottom: 15px;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-bl55__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: #3b3b6b;
      color: #ffcc00;
      font-size: 1.3em;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-bl55__faq-question h3 {
      margin: 0;
      font-size: 1em; /* Adjust to fit parent font size */
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-bl55__faq-question:hover {
      background-color: #4c4c8c;
    }

    .page-bl55__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: #e60073;
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-bl55__faq-item.active .page-bl55__faq-toggle {
      transform: rotate(45deg); /* Change + to X (or rotate to -) */
    }

    .page-bl55__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: #cccccc;
      font-size: 1.05em;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      text-align: justify;
    }

    .page-bl55__faq-item.active .page-bl55__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-bl55__container {
        padding: 15px;
      }

      .page-bl55__section {
        padding: 40px 0;
      }

      .page-bl55__section-title {
        font-size: 2em;
      }

      .page-bl55__hero-title {
        font-size: 2.5em;
      }

      .page-bl55__hero-subtitle {
        font-size: 1.2em;
      }

      .page-bl55__button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-bl55__games-grid,
      .page-bl55__promotions-list,
      .page-bl55__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-bl55__game-card,
      .page-bl55__promotion-item,
      .page-bl55__feature-item {
        margin: 0 auto; /* Center single column items */
        width: 100%; /* Ensure full width */
        box-sizing: border-box !important;
      }

      /* List item responsive requirements */
      .page-bl55__games-grid > *,
      .page-bl55__promotions-list > *,
      .page-bl55__features-grid > * {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 15px !important; /* Adjust padding for mobile */
        padding-right: 15px !important; /* Adjust padding for mobile */
      }

      .page-bl55__games-grid,
      .page-bl55__promotions-list,
      .page-bl55__features-grid {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-bl55__game-description,
      .page-bl55__promotion-description,
      .page-bl55__feature-description,
      .page-bl55__text,
      .page-bl55__cta-text,
      .page-bl55__faq-answer {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-bl55__game-image,
      .page-bl55__feature-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-bl55__cta-title {
        font-size: 1.8em;
      }

      .page-bl55__cta-text {
        font-size: 1em;
      }

      .page-bl55__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
      }

      .page-bl55__faq-answer {
        padding: 15px 20px;
      }

      .page-bl55__faq-toggle {
        font-size: 1.5em;
      }
    }
    @media (max-width: 480px) {
        .page-bl55__hero-title {
            font-size: 2em;
        }
        .page-bl55__hero-subtitle {
            font-size: 1em;
        }
        .page-bl55__section-title {
            font-size: 1.8em;
        }
        .page-bl55__game-title {
            font-size: 1.5em;
        }
        .page-bl55__promotion-title {
            font-size: 1.3em;
        }
        .page-bl55__feature-title {
            font-size: 1.2em;
        }
    }