/* CSS cho trang nex88 */
    .page-nex88 {
      font-family: 'Arial', sans-serif;
      color: #333;
      background-color: #f0f2f5;
      line-height: 1.6;
      padding-bottom: 80px; /* Khoảng trống cho nút đăng nhập cố định */
    }

    .page-nex88 .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Hero Section */
    .page-nex88 .hero-section {
      text-align: center;
      background-color: #fff;
      padding: 20px 0;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
      margin-bottom: 20px;
    }

    .page-nex88 .hero-image {
      width: 100%;
      max-width: 800px;
      height: auto;
      display: block;
      margin: 0 auto 20px auto;
      border-radius: 8px;
      object-fit: contain; /* Đảm bảo hình ảnh không bị kéo giãn */
    }

    .page-nex88 .hero-content h1 {
      font-size: 2.2em;
      color: #0056b3; /* Màu xanh đậm cho tiêu đề */
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-nex88 .hero-content p {
      font-size: 1.1em;
      color: #555;
      margin-bottom: 20px;
    }

    .page-nex88 .btn-primary {
      display: inline-block;
      background-color: #ff4d4d; /* Màu đỏ nổi bật */
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }

    .page-nex88 .btn-primary:hover {
      background-color: #e60000;
    }

    /* General Section Styling */
    .page-nex88 section {
      background-color: #fff;
      padding: 30px 20px;
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .page-nex88 section h2 {
      font-size: 1.8em;
      color: #0056b3;
      text-align: center;
      margin-bottom: 25px;
      position: relative;
    }

    .page-nex88 section h2::after {
      content: '';
      display: block;
      width: 60px;
      height: 3px;
      background-color: #ff4d4d;
      margin: 10px auto 0;
    }

    .page-nex88 section p {
      margin-bottom: 15px;
      text-align: justify;
    }

    /* Game Categories / Product Display */
    .page-nex88 .game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 15px;
      text-align: center;
    }

    .page-nex88 .game-item {
      background-color: #f9f9f9;
      border-radius: 8px;
      padding: 15px;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      text-decoration: none;
      color: #333;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 150px;
    }

    .page-nex88 .game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    }

    .page-nex88 .game-item img {
      width: 80px;
      height: 80px;
      object-fit: contain;
      margin-bottom: 10px;
      border-radius: 5px;
    }

    .page-nex88 .game-item span {
      font-weight: bold;
      font-size: 1em;
      color: #0056b3;
    }

    /* Promotions / Offers */
    .page-nex88 .promo-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .page-nex88 .promo-item {
      display: flex;
      align-items: center;
      background-color: #f9f9f9;
      border-radius: 8px;
      padding: 15px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    }

    .page-nex88 .promo-item img {
      width: 100px;
      height: 100px;
      object-fit: cover;
      border-radius: 5px;
      margin-right: 15px;
    }

    .page-nex88 .promo-content h3 {
      font-size: 1.3em;
      color: #ff4d4d;
      margin-bottom: 5px;
    }

    .page-nex88 .promo-content p {
      font-size: 0.95em;
      color: #666;
      text-align: left;
    }

    /* Providers / Payment Methods */
    .page-nex88 .logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      gap: 10px;
      justify-items: center;
      align-items: center;
    }

    .page-nex88 .logo-grid img {
      width: 100%;
      max-width: 100px;
      height: 60px;
      object-fit: contain;
      padding: 5px;
      border: 1px solid #eee;
      border-radius: 5px;
      background-color: #fff;
    }

    /* FAQ Section */
    .page-nex88 .faq-item {
      background-color: #f9f9f9;
      border: 1px solid #eee;
      border-radius: 8px;
      margin-bottom: 10px;
    }

    .page-nex88 .faq-question {
      padding: 15px;
      font-weight: bold;
      color: #0056b3;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .page-nex88 .faq-answer {
      padding: 0 15px 15px 15px;
      color: #555;
      display: none; /* Ẩn theo mặc định */
    }

    .page-nex88 .faq-question::after {
      content: '+';
      font-size: 1.2em;
      transition: transform 0.3s ease;
    }

    .page-nex88 .faq-question.active::after {
      content: '-';
      transform: rotate(180deg);
    }

    .page-nex88 .faq-question.active + .faq-answer {
      display: block;
    }

    /* Sticky Login Button */
    .page-nex88 .sticky-login-btn {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: #007bff; /* Màu xanh dương */
      color: #fff;
      text-align: center;
      padding: 15px 0;
      font-size: 1.2em;
      font-weight: bold;
      box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
      z-index: 1000;
      text-decoration: none;
      transition: background-color 0.3s ease;
    }

    .page-nex88 .sticky-login-btn:hover {
      background-color: #0056b3;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-nex88 .hero-content h1 {
        font-size: 1.8em;
      }

      .page-nex88 .hero-content p {
        font-size: 1em;
      }

      .page-nex88 section h2 {
        font-size: 1.5em;
      }

      .page-nex88 .game-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }

      .page-nex88 .promo-item {
        flex-direction: column;
        text-align: center;
      }

      .page-nex88 .promo-item img {
        margin-right: 0;
        margin-bottom: 10px;
      }
    }

    @media (max-width: 480px) {
      .page-nex88 .hero-content h1 {
        font-size: 1.5em;
      }

      .page-nex88 section h2 {
        font-size: 1.3em;
      }

      .page-nex88 .game-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }

      .page-nex88 .game-item img {
        width: 60px;
        height: 60px;
      }

      .page-nex88 .game-item span {
        font-size: 0.9em;
      }

      .page-nex88 .sticky-login-btn {
        font-size: 1.1em;
        padding: 12px 0;
      }
    }