/* Tổng thể */
    .page-bl555app {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f9f9f9;
      padding: 0;
      margin: 0;
      overflow-x: hidden;
    }

    /* Hero Section */
    .page-bl555app__hero-section {
      position: relative;
      width: 100%;
      min-height: 350px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: #fff;
      padding-top: 10px; /* Cho khoảng cách với header cố định */
      background-color: #002e6d; /* Fallback màu nền */
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-bl555app__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
      max-width: 100%;
    }

    .page-bl555app__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
      background: rgba(0, 0, 0, 0.4);
      border-radius: 10px;
    }

    .page-bl555app__hero-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: #ffd700;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    .page-bl555app__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 25px;
      color: #e0e0e0;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    .page-bl555app__cta-button {
      display: inline-block;
      background-color: #ff4500;
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      cursor: pointer;
      border: none;
    }

    .page-bl555app__cta-button:hover {
      background-color: #e03e00;
    }

    /* Phần giới thiệu */
    .page-bl555app__intro-section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 20px auto;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-bl555app__section-title {
      font-size: 2em;
      color: #002e6d;
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-bl555app__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: #ff4500;
      border-radius: 2px;
    }

    .page-bl555app__intro-text {
      text-align: center;
      font-size: 1.1em;
      color: #555;
      margin-bottom: 30px;
    }

    /* Các tính năng nổi bật */
    .page-bl555app__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-bl555app__feature-item {
      background-color: #f0f8ff;
      padding: 25px;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-bl555app__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    }

    .page-bl555app__feature-icon {
      width: 100px;
      height: 100px;
      margin-bottom: 15px;
      border-radius: 50%;
      object-fit: cover;
      max-width: 100%;
    }

    .page-bl555app__feature-title {
      font-size: 1.3em;
      color: #002e6d;
      margin-bottom: 10px;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    .page-bl555app__feature-description {
      font-size: 0.95em;
      color: #666;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    /* Hướng dẫn tải app */
    .page-bl555app__download-section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 20px auto;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-bl555app__download-steps {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 30px;
      margin-top: 30px;
    }

    .page-bl555app__step-item {
      flex: 1;
      min-width: 280px;
      max-width: 350px;
      background-color: #e6f7ff;
      padding: 25px;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      box-sizing: border-box;
    }

    .page-bl555app__step-number {
      font-size: 2em;
      font-weight: bold;
      color: #ff4500;
      margin-bottom: 15px;
    }

    .page-bl555app__step-title {
      font-size: 1.2em;
      color: #002e6d;
      margin-bottom: 10px;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    .page-bl555app__step-description {
      font-size: 0.95em;
      color: #666;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    .page-bl555app__qr-code {
      width: 200px;
      height: 200px;
      margin-top: 20px;
      object-fit: contain;
      max-width: 100%;
    }

    /* Game Categories */
    .page-bl555app__game-section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 20px auto;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-bl555app__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-bl555app__game-card {
      background-color: #f8f8f8;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .page-bl555app__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    }

    .page-bl555app__game-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
      max-width: 100%;
    }

    .page-bl555app__game-info {
      padding: 15px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      width: 100%;
    }

    .page-bl555app__game-title {
      font-size: 1.2em;
      color: #002e6d;
      margin-bottom: 10px;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    .page-bl555app__game-description {
      font-size: 0.9em;
      color: #666;
      margin-bottom: 15px;
      flex-grow: 1;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    /* FAQ Section */
    .page-bl555app__faq-section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 20px auto;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-bl555app__faq-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-bl555app__faq-item {
      margin-bottom: 10px;
      border: 1px solid #eee;
      border-radius: 5px;
      overflow: hidden;
      background-color: #fdfdfd;
    }

    .page-bl555app__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #002e6d;
      color: #fff;
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
      box-sizing: border-box;
    }

    .page-bl555app__faq-question:hover {
      background-color: #003a8a;
    }

    .page-bl555app__faq-question h3 {
      margin: 0;
      padding: 0;
      font-size: 1.1em;
      color: #fff;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
      flex-grow: 1;
      text-align: left;
    }

    .page-bl555app__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      pointer-events: none; /* Ngăn chặn biểu tượng chặn sự kiện click */
      transition: transform 0.3s ease;
    }

    .page-bl555app__faq-item.active .page-bl555app__faq-toggle {
      transform: rotate(45deg); /* Biểu tượng xoay khi mở */
    }

    .page-bl555app__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: #fff;
      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-bl555app__faq-item.active .page-bl555app__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa nội dung */
      padding: 20px 20px !important;
      opacity: 1;
    }

    /* Floating Login Button */
    .page-bl555app__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #ff4500;
      color: #fff;
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background-color 0.3s ease;
      cursor: pointer;
      border: none;
      text-align: center;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    .page-bl555app__floating-button:hover {
      background-color: #e03e00;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-bl555app__hero-section {
        min-height: 300px;
        padding-top: 10px; /* Cho khoảng cách với header cố định */
      }

      .page-bl555app__hero-title {
        font-size: 1.8em;
      }

      .page-bl555app__hero-subtitle {
        font-size: 1em;
      }

      .page-bl555app__section-title {
        font-size: 1.7em;
      }

      .page-bl555app__intro-text,
      .page-bl555app__feature-description,
      .page-bl555app__step-description,
      .page-bl555app__game-description,
      .page-bl555app__faq-answer {
        font-size: 0.9em;
      }

      .page-bl555app__features-grid,
      .page-bl555app__game-grid {
        grid-template-columns: 1fr;
      }

      .page-bl555app__feature-item,
      .page-bl555app__step-item,
      .page-bl555app__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-bl555app__download-steps {
        flex-direction: column;
        align-items: center;
      }

      .page-bl555app__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }
      
      .page-bl555app__faq-question h3 {
        font-size: 1em;
      }

      .page-bl555app__faq-answer {
        padding: 0 15px;
      }

      .page-bl555app__faq-item.active .page-bl555app__faq-answer {
        padding: 15px 15px !important;
      }

      .page-bl555app__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 18px;
        font-size: 1em;
      }

      /* Image responsive */
      .page-bl555app__hero-background,
      .page-bl555app__feature-icon,
      .page-bl555app__qr-code,
      .page-bl555app__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-bl555app__hero-background-container,
      .page-bl555app__feature-icon-container,
      .page-bl555app__qr-code-container,
      .page-bl555app__game-image-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }