/* Tổng thể */
    .page-winvn22 {
      font-family: 'Arial', sans-serif;
      background-color: #000000;
      color: #ffffff;
      line-height: 1.6;
      padding: 20px 0;
      overflow-x: hidden; /* Ngăn chặn tràn ngang */
    }

    .page-winvn22__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-winvn22 h1,
    .page-winvn22 h2,
    .page-winvn22 h3 {
      color: #ffd700; /* Màu vàng */
      text-align: center;
      margin-bottom: 25px;
      font-weight: bold;
    }

    .page-winvn22 h1 {
      font-size: 2.8em;
      margin-top: 40px;
    }

    .page-winvn22 h2 {
      font-size: 2.2em;
      margin-top: 30px;
    }

    .page-winvn22 h3 {
      font-size: 1.8em;
      margin-top: 25px;
    }

    .page-winvn22 p {
      margin-bottom: 15px;
      text-align: justify;
    }

    /* Hero Section */
    .page-winvn22__hero-section {
      position: relative;
      text-align: center;
      padding-top: 10px; /* An toàn cho header cố định */
      margin-bottom: 40px;
      box-sizing: border-box;
    }

    .page-winvn22__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 10px;
      object-fit: cover;
      filter: none; /* Đảm bảo không có filter màu */
    }

    .page-winvn22__hero-content {
      margin-top: 20px;
      padding: 0 15px;
    }

    .page-winvn22__hero-content p {
      font-size: 1.1em;
      color: #e0e0e0;
      text-align: center;
    }

    /* Nút Đăng Nhập Nổi */
    .page-winvn22__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #ffd700; /* Màu vàng */
      color: #000000;
      padding: 15px 25px;
      border-radius: 30px;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
      z-index: 1000;
      transition: transform 0.3s ease, background-color 0.3s ease;
      text-align: center;
      display: block;
      max-width: 250px; /* Giới hạn chiều rộng cho di động */
      cursor: pointer; /* Thêm con trỏ để gợi ý click */
    }

    .page-winvn22__floating-button:hover {
      background-color: #e0b800;
      transform: translateX(-50%) translateY(-5px);
    }

    /* Phần Giới Thiệu */
    .page-winvn22__intro-section {
      background-color: #1a1a1a;
      padding: 40px 0;
      margin-bottom: 40px;
      border-radius: 10px;
    }

    /* Danh Mục Trò Chơi */
    .page-winvn22__game-categories {
      padding: 40px 0;
      margin-bottom: 40px;
    }

    .page-winvn22__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      justify-content: center;
      align-items: stretch; /* Đảm bảo các item có chiều cao bằng nhau */
    }

    .page-winvn22__game-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%; /* Đảm bảo item chiếm toàn bộ chiều cao trong grid */
      box-sizing: border-box;
    }

    .page-winvn22__game-item:hover {
      transform: translateY(-5px);
    }

    .page-winvn22__game-item-image {
      width: 100%;
      height: 200px; /* Chiều cao cố định cho hình ảnh */
      object-fit: cover;
      filter: none; /* Đảm bảo không có filter màu */
      border-bottom: 2px solid #ffd700;
    }

    .page-winvn22__game-item-content {
      padding: 20px;
      flex-grow: 1; /* Cho phép nội dung mở rộng */
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-winvn22__game-item-content h3 {
      font-size: 1.4em;
      color: #ffd700;
      margin-top: 0;
      margin-bottom: 10px;
      text-align: center;
    }

    .page-winvn22__game-item-content p {
      font-size: 0.95em;
      color: #cccccc;
      text-align: center;
      margin-bottom: 15px;
    }

    /* Phần Hướng Dẫn */
    .page-winvn22__guide-section {
      padding: 40px 0;
      margin-bottom: 40px;
      background-color: #1a1a1a;
      border-radius: 10px;
    }

    .page-winvn22__guide-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
    }

    .page-winvn22__step-item {
      background-color: #000000;
      border: 2px solid #ffd700;
      border-radius: 10px;
      padding: 25px;
      text-align: center;
      width: calc(33% - 20px);
      min-width: 280px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      box-sizing: border-box;
    }

    .page-winvn22__step-item h3 {
      font-size: 1.5em;
      color: #ffd700;
      margin-top: 0;
      margin-bottom: 15px;
    }

    .page-winvn22__step-item p {
      color: #e0e0e0;
      font-size: 1em;
      text-align: center;
    }

    /* Phần Khuyến Mãi */
    .page-winvn22__promo-section {
      padding: 40px 0;
      margin-bottom: 40px;
    }

    .page-winvn22__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
    }

    .page-winvn22__promo-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-winvn22__promo-card:hover {
      transform: translateY(-5px);
    }

    .page-winvn22__promo-image {
      width: 100%;
      height: 250px;
      object-fit: cover;
      filter: none; /* Đảm bảo không có filter màu */
    }

    .page-winvn22__promo-content {
      padding: 20px;
    }

    .page-winvn22__promo-content h3 {
      font-size: 1.5em;
      color: #ffd700;
      margin-top: 0;
      margin-bottom: 10px;
      text-align: left; /* Đặt lại text-align cho h3 trong card */
    }

    .page-winvn22__promo-content p {
      color: #e0e0e0;
      font-size: 0.95em;
      text-align: left; /* Đặt lại text-align cho p trong card */
    }

    /* FAQ Section */
    .page-winvn22__faq-section {
      padding: 40px 0;
      background-color: #1a1a1a;
      border-radius: 10px;
    }

    .page-winvn22__faq-item {
      margin-bottom: 15px;
      border: 1px solid #333333;
      border-radius: 8px;
      overflow: hidden;
    }

    .page-winvn22__faq-question {
      background-color: #2a2a2a;
      padding: 15px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-winvn22__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-winvn22__faq-question h3 {
      color: #ffd700;
      margin: 0;
      font-size: 1.2em;
      text-align: left;
      flex-grow: 1;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
    }

    .page-winvn22__faq-toggle {
      color: #ffd700;
      font-size: 1.8em;
      font-weight: bold;
      margin-left: 15px;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
      transition: transform 0.3s ease;
    }

    .page-winvn22__faq-item.active .page-winvn22__faq-toggle {
      transform: rotate(45deg); /* Chuyển dấu '+' thành 'x' hoặc '-' */
    }

    .page-winvn22__faq-answer {
      background-color: #000000;
      color: #e0e0e0;
      max-height: 0;
      overflow: hidden;
      padding: 0 15px; /* Padding ban đầu bằng 0 */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      box-sizing: border-box;
    }

    .page-winvn22__faq-item.active .page-winvn22__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important; /* Padding khi mở */
      opacity: 1;
    }

    .page-winvn22__faq-answer p {
      margin: 0;
      text-align: left;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-winvn22__container {
        padding: 0 10px;
      }

      .page-winvn22 h1 {
        font-size: 2em;
        margin-top: 20px;
      }

      .page-winvn22 h2 {
        font-size: 1.8em;
      }

      .page-winvn22 h3 {
        font-size: 1.4em;
      }

      .page-winvn22__hero-section {
        padding-top: 10px; /* An toàn cho header cố định trên di động */
        margin-bottom: 20px;
      }

      .page-winvn22__hero-content p {
        font-size: 1em;
      }

      .page-winvn22__floating-button {
        bottom: 15px;
        font-size: 1em;
        padding: 12px 20px;
        max-width: 90%;
      }

      .page-winvn22__game-grid {
        grid-template-columns: 1fr;
      }

      .page-winvn22__game-item-image {
        height: 180px;
      }

      .page-winvn22__step-item {
        width: 100%;
        min-width: unset;
      }

      .page-winvn22__promo-grid {
        grid-template-columns: 1fr;
      }

      .page-winvn22__promo-image {
        height: 200px;
      }

      .page-winvn22__faq-question {
        padding: 12px 15px;
      }

      .page-winvn22__faq-question h3 {
        font-size: 1.1em;
      }

      .page-winvn22__faq-toggle {
        font-size: 1.5em;
      }

      .page-winvn22__faq-answer {
        padding: 0 10px;
      }

      .page-winvn22__faq-item.active .page-winvn22__faq-answer {
        padding: 15px 10px !important;
      }

      /* Đảm bảo tất cả hình ảnh và container của chúng có chiều rộng 100% trên di động */
      .page-winvn22 img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-winvn22__game-item-image,
      .page-winvn22__promo-image {
        max-width: 100% !important;
        height: auto !important; /* Đảm bảo hình ảnh không bị kéo dãn */
        box-sizing: border-box !important;
      }

      /* List item mobile responsiveness */
      .page-winvn22 ul,
      .page-winvn22 ol {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-winvn22 ul li,
      .page-winvn22 ol li {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 10px !important; /* Giảm padding để tránh tràn */
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }