/* Tổng thể */
    .page-78win {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: #f0f0f0;
      background-color: #1a1a1a;
      line-height: 1.6;
      padding-bottom: 80px; /* Để tránh nội dung bị che bởi nút nổi */
    }

    .page-78win__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-78win__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-78win__section--dark {
      background-color: #2c2c2c;
    }

    .page-78win__heading {
      color: #ffc107;
      font-size: 2.5em;
      margin-bottom: 20px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-78win__sub-heading {
      color: #ffffff;
      font-size: 1.8em;
      margin-bottom: 15px;
    }

    .page-78win__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #cccccc;
    }

    /* Nút CTA chung */
    .page-78win__button {
      display: inline-block;
      background-color: #007bff;
      color: #ffffff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-78win__button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-78win__button--primary {
      background-color: #ffc107;
      color: #1a1a1a;
    }

    .page-78win__button--primary:hover {
      background-color: #e0a800;
      color: #000000;
    }

    /* Hero Section */
    .page-78win__hero-section {
      position: relative;
      width: 100%;
      height: 450px; /* Chiều cao cố định cho banner */
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      overflow: hidden;
      padding-top: 10px; /* Để tránh bị che bởi header cố định */
    }

    .page-78win__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
    }

    .page-78win__hero-content {
      position: relative;
      z-index: 2;
      color: #ffffff;
      padding: 20px;
      background-color: rgba(0, 0, 0, 0.6);
      border-radius: 10px;
      max-width: 90%;
    }

    .page-78win__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      color: #ffc107;
      line-height: 1.2;
    }

    .page-78win__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: #e0e0e0;
    }

    /* Nút nổi đăng nhập/khuyến mãi */
    .page-78win__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #e63946; /* Màu đỏ nổi bật */
      color: #ffffff;
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      text-align: center;
      text-decoration: none; /* đảm bảo không có gạch chân */
    }

    .page-78win__floating-button:hover {
      background-color: #c92a37;
      transform: scale(1.05);
    }

    /* Giới thiệu 78win8 */
    .page-78win__about-content {
      text-align: left;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .page-78win__about-text {
      margin-bottom: 15px;
      color: #cccccc;
    }

    /* Danh mục trò chơi */
    .page-78win__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-78win__game-card {
      background-color: #333333;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%; /* Đảm bảo các thẻ có cùng chiều cao */
    }

    .page-78win__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    }

    .page-78win__game-image {
      width: 100%;
      height: 200px; /* Chiều cao cố định cho ảnh trò chơi */
      object-fit: cover;
      border-bottom: 3px solid #ffc107;
    }

    .page-78win__game-title {
      font-size: 1.5em;
      color: #ffc107;
      padding: 15px 10px 5px;
    }

    .page-78win__game-description {
      font-size: 0.95em;
      color: #cccccc;
      padding: 0 15px 15px;
      flex-grow: 1; /* Để mô tả chiếm không gian còn lại */
    }

    .page-78win__game-button-wrapper {
      padding: 15px;
      background-color: #2c2c2c;
      border-top: 1px solid #444444;
    }

    /* Ưu đãi & Khuyến mãi */
    .page-78win__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-78win__promotion-card {
      background-color: #333333;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
      padding: 20px;
    }

    .page-78win__promotion-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    }

    .page-78win__promotion-title {
      font-size: 1.6em;
      color: #ffc107;
      margin-bottom: 10px;
    }

    .page-78win__promotion-text {
      color: #cccccc;
      margin-bottom: 15px;
    }

    /* Hướng dẫn */
    .page-78win__guide-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 30px;
    }

    .page-78win__guide-step {
      background-color: #333333;
      border-radius: 10px;
      padding: 25px;
      flex: 1 1 calc(33% - 30px); /* 3 cột trên desktop */
      min-width: 280px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      text-align: center;
    }

    .page-78win__guide-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      object-fit: contain;
    }

    .page-78win__guide-title {
      font-size: 1.4em;
      color: #ffc107;
      margin-bottom: 10px;
    }

    .page-78win__guide-description {
      color: #cccccc;
    }

    /* FAQ */
    .page-78win__faq-list {
      margin-top: 30px;
      text-align: left;
    }

    .page-78win__faq-item {
      background-color: #2c2c2c;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-78win__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #3a3a3a;
      cursor: pointer;
      user-select: none;
      color: #ffffff;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-78win__faq-question:hover {
      background-color: #4a4a4a;
    }

    .page-78win__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Ngăn chặn sự kiện click trên h3 */
      flex-grow: 1;
    }

    .page-78win__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      margin-left: 15px;
      color: #ffc107;
      pointer-events: none; /* Ngăn chặn sự kiện click trên toggle */
    }

    .page-78win__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: #cccccc;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 1em;
    }

    .page-78win__faq-item.active .page-78win__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px !important;
      opacity: 1;
    }

    /* Responsive */
    @media (max-width: 992px) {
      .page-78win__hero-title {
        font-size: 2.5em;
      }

      .page-78win__hero-description {
        font-size: 1.1em;
      }

      .page-78win__game-grid,
      .page-78win__promotion-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      }

      .page-78win__guide-step {
        flex: 1 1 calc(50% - 30px); /* 2 cột trên tablet */
      }
    }

    @media (max-width: 768px) {
      .page-78win__hero-section {
        height: 350px;
        padding-top: 10px !important; /* Quan trọng để đảm bảo không bị che trên di động */
      }

      .page-78win__hero-title {
        font-size: 2em;
      }

      .page-78win__hero-description {
        font-size: 1em;
      }

      .page-78win__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-78win__heading {
        font-size: 2em;
      }

      .page-78win__sub-heading {
        font-size: 1.5em;
      }

      .page-78win__text {
        font-size: 1em;
      }

      .page-78win__game-grid,
      .page-78win__promotion-grid {
        grid-template-columns: 1fr;
      }

      .page-78win__guide-step {
        flex: 1 1 100%; /* 1 cột trên di động */
      }

      .page-78win__faq-question {
        font-size: 1.1em;
        padding: 12px 15px;
      }

      .page-78win__faq-answer {
        padding: 0 15px;
      }

      .page-78win__faq-item.active .page-78win__faq-answer {
        padding: 15px !important;
      }
    }

    /* Hình ảnh responsive */
    .page-78win__image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-78win__image-container img {
      max-width: 100%;
      height: auto;
      display: block; /* Loại bỏ khoảng trống dưới ảnh */
    }

    @media (max-width: 768px) {
      .page-78win__image-container img {
        max-width: 100% !important;
        height: auto !important;
      }
    }