/* Tổng quan */
    .page-gemwin {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8f9fa;
      padding-bottom: 80px; /* Để chừa chỗ cho nút nổi */
    }

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

    /* Tiêu đề chính */
    .page-gemwin-main-heading {
      text-align: center;
      color: #0056b3;
      margin-bottom: 25px;
      font-size: 2.5em;
      font-weight: bold;
      line-height: 1.2;
    }
    @media (max-width: 768px) {
      .page-gemwin-main-heading {
        font-size: 1.8em;
      }
    }

    /* Logo */
    .page-gemwin-logo-wrapper {
      text-align: center;
      margin: 20px 0 30px;
    }
    .page-gemwin-logo {
      max-width: 250px;
      height: auto;
      display: inline-block;
    }
    @media (max-width: 768px) {
      .page-gemwin-logo {
        max-width: 180px;
      }
    }

    /* Nút CTA chung */
    .page-gemwin-cta-button {
      display: inline-block;
      background-color: #ff4500;
      color: #fff;
      padding: 12px 25px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-align: center;
      border: none;
      cursor: pointer;
    }
    .page-gemwin-cta-button:hover {
      background-color: #e03e00;
      transform: translateY(-2px);
    }

    /* Phần giới thiệu */
    .page-gemwin-hero-section {
      text-align: center;
      background: linear-gradient(135deg, #e0f7fa 0%, #ffffff 100%);
      padding: 40px 15px;
      border-radius: 10px;
      margin-bottom: 30px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    }
    .page-gemwin-hero-section p {
      font-size: 1.1em;
      margin-bottom: 25px;
      color: #555;
    }
    .page-gemwin-hero-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }
    @media (max-width: 576px) {
      .page-gemwin-hero-buttons {
        flex-direction: column;
        align-items: center;
      }
    }

    /* Các phần nội dung */
    .page-gemwin-section {
      background-color: #fff;
      padding: 30px;
      border-radius: 10px;
      margin-bottom: 30px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }
    .page-gemwin-section-title {
      color: #0056b3;
      font-size: 2em;
      margin-bottom: 20px;
      text-align: center;
      border-bottom: 2px solid #e0f7fa;
      padding-bottom: 10px;
    }
    @media (max-width: 768px) {
      .page-gemwin-section-title {
        font-size: 1.6em;
      }
    }

    /* Lưới trò chơi */
    .page-gemwin-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      margin-top: 25px;
    }
    .page-gemwin-game-card {
      background-color: #f0f8ff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
      text-align: center;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      text-decoration: none;
      color: inherit;
      display: block;
    }
    .page-gemwin-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
    }
    .page-gemwin-game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
      border-bottom: 1px solid #e0e0e0;
    }
    .page-gemwin-game-card-title {
      font-weight: bold;
      padding: 15px 10px;
      color: #0056b3;
      font-size: 1.1em;
    }

    /* Danh sách tính năng/lợi ích */
    .page-gemwin-feature-list {
      list-style: none;
      padding: 0;
      margin: 20px 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 15px;
    }
    .page-gemwin-feature-list li {
      background-color: #e6f7ff;
      padding: 15px;
      border-left: 5px solid #007bff;
      border-radius: 5px;
      font-size: 1.05em;
      color: #333;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .page-gemwin-feature-list li strong {
      color: #0056b3;
    }

    /* Nhà cung cấp & Thanh toán */
    .page-gemwin-providers-payments-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 30px;
    }
    @media (min-width: 768px) {
      .page-gemwin-providers-payments-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    .page-gemwin-providers-payments-list {
      list-style: none;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }
    .page-gemwin-providers-payments-list li {
      background-color: #f2f2f2;
      padding: 8px 15px;
      border-radius: 5px;
      font-weight: 500;
      color: #444;
      border: 1px solid #ddd;
    }
    .page-gemwin-providers-payments-list h3 {
      text-align: center;
      color: #0056b3;
      margin-bottom: 15px;
      font-size: 1.5em;
    }

    /* Tải ứng dụng */
    .page-gemwin-app-download-section {
      text-align: center;
      background-color: #e0f7fa;
      padding: 40px 15px;
      border-radius: 10px;
      margin-bottom: 30px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    }
    .page-gemwin-app-download-section p {
      font-size: 1.1em;
      margin-bottom: 25px;
      color: #555;
    }
    .page-gemwin-app-qr-code {
      max-width: 180px;
      height: auto;
      margin: 0 auto 20px;
      border: 5px solid #fff;
      border-radius: 5px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    /* Nút nổi (floating buttons) */
    .page-gemwin-floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      background-color: rgba(0, 0, 0, 0.7);
      padding: 10px 20px;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }
    .page-gemwin-floating-buttons .page-gemwin-cta-button {
      padding: 10px 20px;
      font-size: 1em;
      border-radius: 25px;
      background-color: #28a745; /* Đăng ký */
    }
    .page-gemwin-floating-buttons .page-gemwin-cta-button:first-child {
      background-color: #007bff; /* Đăng nhập */
    }
    .page-gemwin-floating-buttons .page-gemwin-cta-button:first-child:hover {
      background-color: #0056b3;
    }
    .page-gemwin-floating-buttons .page-gemwin-cta-button:hover {
      background-color: #218838;
    }
    @media (max-width: 576px) {
      .page-gemwin-floating-buttons {
        gap: 10px;
        padding: 8px 15px;
      }
      .page-gemwin-floating-buttons .page-gemwin-cta-button {
        font-size: 0.9em;
        padding: 8px 15px;
      }
    }

    /* Banner khuyến mãi nổi */
    .page-gemwin-floating-promo {
      position: fixed;
      top: 50%;
      right: 0;
      transform: translateY(-50%);
      background-color: #ffc107;
      color: #333;
      padding: 10px 15px;
      border-radius: 10px 0 0 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
      z-index: 999;
      font-size: 0.9em;
      font-weight: bold;
      text-decoration: none;
      transition: right 0.3s ease;
    }
    .page-gemwin-floating-promo:hover {
      right: -5px;
    }
    .page-gemwin-floating-promo span {
      display: block;
      text-align: center;
    }
    .page-gemwin-floating-promo strong {
      color: #dc3545;
      font-size: 1.1em;
    }
    @media (max-width: 768px) {
      .page-gemwin-floating-promo {
        padding: 8px 10px;
        font-size: 0.8em;
      }
    }