
    /* Tổng quan */
    .page-69vn {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: #333;
      background-color: #f0f2f5;
      line-height: 1.6;
      padding-bottom: 80px; /* Để tránh nút nổi bị che */
    }

    .page-69vn .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Tiêu đề chính */
    .page-69vn h1, .page-69vn h2, .page-69vn h3 {
      color: #2c3e50;
      text-align: center;
      margin-bottom: 20px;
    }

    .page-69vn h1 {
      font-size: 2.2em;
      margin-top: 30px;
      padding-bottom: 10px;
      border-bottom: 2px solid #e74c3c;
      display: inline-block;
      width: auto;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-69vn h2 {
      font-size: 1.8em;
      color: #e74c3c;
      margin-top: 40px;
    }

    .page-69vn h3 {
      font-size: 1.4em;
      color: #3498db;
      margin-top: 30px;
    }

    /* Logo và Banner */
    .page-69vn__hero {
      background: linear-gradient(135deg, #e74c3c, #c0392b);
      color: #fff;
      padding: 40px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
      margin-bottom: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-69vn__logo {
      display: block;
      margin: 0 auto 20px;
      width: 120px;
      height: 120px;
      object-fit: contain;
      border-radius: 50%;
      background-color: rgba(255, 255, 255, 0.9);
      padding: 10px;
      box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
    }

    .page-69vn__hero h1 {
      color: #fff;
      font-size: 2.8em;
      margin-bottom: 15px;
      border-bottom: none;
      display: block;
    }

    .page-69vn__hero p {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
      padding: 0 15px;
    }

    /* Nút đăng ký/đăng nhập nổi */
    .page-69vn__floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: space-around;
      padding: 10px 15px;
      background-color: rgba(44, 62, 80, 0.95);
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      box-sizing: border-box;
    }

    .page-69vn__floating-buttons a {
      flex: 1;
      margin: 0 5px;
      padding: 12px 0;
      border-radius: 25px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      text-align: center;
      transition: background-color 0.3s ease, transform 0.2s ease;
      color: #fff; /* Đảm bảo văn bản hiển thị rõ ràng */
    }

    .page-69vn__floating-buttons .btn-register {
      background-color: #e74c3c;
    }

    .page-69vn__floating-buttons .btn-login {
      background-color: #3498db;
    }

    .page-69vn__floating-buttons a:hover {
      transform: translateY(-2px);
      opacity: 0.9;
    }

    /* Phần giới thiệu chung */
    .page-69vn__intro {
      background-color: #fff;
      padding: 30px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .page-69vn__intro p {
      text-align: center;
      font-size: 1.1em;
      color: #555;
    }

    /* Danh mục sản phẩm/trò chơi */
    .page-69vn__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-bottom: 40px;
    }

    .page-69vn__game-card {
      background-color: #fff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .page-69vn__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-69vn__game-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-69vn__game-card h3 {
      margin: 15px 0 10px;
      font-size: 1.3em;
      color: #2c3e50;
      padding: 0 15px;
    }

    .page-69vn__game-card h3 a {
      text-decoration: none;
      color: inherit;
      transition: color 0.3s ease;
    }

    .page-69vn__game-card h3 a:hover {
      color: #e74c3c;
    }

    .page-69vn__game-card p {
      font-size: 0.95em;
      color: #777;
      padding: 0 15px 15px;
      flex-grow: 1;
    }

    .page-69vn__game-card .page-69vn__cta-button {
      display: block;
      width: calc(100% - 30px);
      margin: 0 15px 15px;
      padding: 10px 0;
      background-color: #28a745;
      color: #fff;
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-69vn__game-card .page-69vn__cta-button:hover {
      background-color: #218838;
    }

    /* Lợi ích khi chơi tại 69vn. */
    .page-69vn__benefits {
      background-color: #ecf0f1;
      padding: 40px 0;
      margin-bottom: 30px;
      border-radius: 8px;
    }

    .page-69vn__benefits-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-69vn__benefit-item {
      background-color: #fff;
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      text-align: center;
    }

    .page-69vn__benefit-item img {
      width: 60px;
      height: 60px;
      margin-bottom: 15px;
      object-fit: contain;
    }

    .page-69vn__benefit-item h3 {
      font-size: 1.2em;
      color: #2c3e50;
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-69vn__benefit-item p {
      font-size: 0.95em;
      color: #666;
    }

    /* Hướng dẫn nhanh */
    .page-69vn__quick-guide {
      background-color: #fff;
      padding: 30px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .page-69vn__guide-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }

    .page-69vn__guide-list li {
      background-color: #f9f9f9;
      border: 1px solid #ddd;
      border-left: 5px solid #3498db;
      padding: 15px 20px;
      border-radius: 5px;
      font-size: 1.05em;
      color: #333;
      transition: border-color 0.3s ease;
    }

    .page-69vn__guide-list li:hover {
      border-left-color: #e74c3c;
    }

    .page-69vn__guide-list li strong {
      color: #2c3e50;
    }

    .page-69vn__guide-list li a {
      color: #3498db;
      text-decoration: none;
      font-weight: bold;
    }

    .page-69vn__guide-list li a:hover {
      text-decoration: underline;
    }

    /* Nhà cung cấp game và thanh toán */
    .page-69vn__partners {
      background-color: #ecf0f1;
      padding: 40px 0;
      border-radius: 8px;
    }

    .page-69vn__partner-logos {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-69vn__partner-logos img {
      height: 50px;
      width: auto;
      object-fit: contain;
      filter: grayscale(80%);
      transition: filter 0.3s ease;
    }

    .page-69vn__partner-logos img:hover {
      filter: grayscale(0%);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-69vn h1 {
        font-size: 2em;
      }
      .page-69vn h2 {
        font-size: 1.6em;
      }
      .page-69vn__hero h1 {
        font-size: 2.2em;
      }
      .page-69vn__hero p {
        font-size: 1em;
      }
      .page-69vn__game-categories {
        grid-template-columns: 1fr;
      }
      .page-69vn__floating-buttons {
        padding: 8px 10px;
      }
      .page-69vn__floating-buttons a {
        font-size: 1em;
        padding: 10px 0;
      }
      .page-69vn__benefits-grid,
      .page-69vn__guide-list {
        grid-template-columns: 1fr;
      }
      .page-69vn__partner-logos img {
        height: 40px;
      }
    }
  