/* Tổng thể */
    .page-78windangnhap {
      font-family: 'Arial', sans-serif;
      background-color: #000000; /* Nền đen */
      color: #FFFFFF; /* Chữ trắng */
      line-height: 1.6;
      padding-bottom: 80px; /* Đảm bảo không bị nút nổi che */
    }

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

    .page-778windangnhap__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-78windangnhap__title {
      color: #FFD700; /* Tiêu đề vàng */
      margin-bottom: 20px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-78windangnhap__subtitle {
      color: #FFFFFF;
      margin-bottom: 30px;
      font-size: 1.2em;
    }

    .page-78windangnhap__button {
      display: inline-block;
      background-color: #FFD700; /* Nút vàng */
      color: #000000; /* Chữ đen trên nút */
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-78windangnhap__button:hover {
      background-color: #e6c200;
    }

    /* Hero Section */
    .page-78windangnhap__hero-section {
      position: relative;
      padding-top: 140px; /* An toàn cho header cố định */
      background-color: #000000;
      overflow: hidden;
    }

    .page-78windangnhap__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 30px;
    }

    .page-78windangnhap__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
    }

    .page-78windangnhap__hero-content {
      padding: 20px 15px 40px;
    }

    .page-78windangnhap__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      color: #FFD700;
    }

    .page-78windangnhap__hero-description {
      font-size: 1.1em;
      margin-bottom: 30px;
      color: #FFFFFF;
    }

    /* Nút đăng nhập nổi */
    .page-78windangnhap__floating-login-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: #FFD700;
      color: #000000;
      padding: 15px 25px;
      border-radius: 50px;
      text-align: center;
      font-weight: bold;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
      animation: page-78windangnhap__pulse 2s infinite;
      text-decoration: none;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .page-78windangnhap__floating-login-button:hover {
      background-color: #e6c200;
      transform: scale(1.05);
    }

    @keyframes page-78windangnhap__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.03); }
      100% { transform: scale(1); }
    }

    /* Giới thiệu 78win */
    .page-78windangnhap__about-section {
      background-color: #0a0a0a;
    }

    .page-78windangnhap__about-text {
      font-size: 1.1em;
      text-align: left;
      margin-bottom: 20px;
      color: #E0E0E0;
    }

    .page-78windangnhap__about-features {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-78windangnhap__feature-item {
      background-color: #1a1a1a;
      padding: 20px;
      border-radius: 8px;
      flex: 1 1 calc(33% - 40px);
      min-width: 280px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      text-align: left;
    }

    .page-78windangnhap__feature-item h3 {
      color: #FFD700;
      margin-top: 0;
      margin-bottom: 10px;
      font-size: 1.4em;
    }

    .page-78windangnhap__feature-item p {
      color: #CCCCCC;
    }

    /* Danh mục trò chơi */
    .page-78windangnhap__games-section {
      background-color: #000000;
    }

    .page-78windangnhap__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-78windangnhap__game-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;
      text-align: center;
      padding-bottom: 15px;
    }

    .page-78windangnhap__game-card:hover {
      transform: translateY(-5px);
    }

    .page-78windangnhap__game-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Chiều cao cố định cho hình ảnh trò chơi */
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #2a2a2a; /* Nền cho hình ảnh */
    }

    .page-78windangnhap__game-image {
      max-width: 100%;
      height: auto;
      object-fit: cover; /* Đảm bảo ảnh không bị méo */
      display: block;
    }

    .page-78windangnhap__game-card h3 {
      color: #FFD700;
      font-size: 1.5em;
      margin: 15px 10px 10px;
    }

    .page-78windangnhap__game-card p {
      color: #CCCCCC;
      padding: 0 10px;
      font-size: 0.95em;
    }

    /* Nhà cung cấp */
    .page-78windangnhap__providers-section {
      background-color: #0a0a0a;
    }

    .page-78windangnhap__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-items: center;
    }

    .page-78windangnhap__provider-logo-wrapper {
      width: 100%;
      max-width: 200px; /* Kích thước tối đa cho logo nhà cung cấp */
      overflow: hidden;
      box-sizing: border-box;
      background-color: #1a1a1a;
      border-radius: 8px;
      padding: 10px;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100px; /* Chiều cao cố định cho logo */
      transition: transform 0.3s ease;
    }

    .page-78windangnhap__provider-logo-wrapper:hover {
      transform: scale(1.05);
    }

    .page-78windangnhap__provider-logo {
      max-width: 100%;
      max-height: 80px; /* Đảm bảo logo vừa vặn */
      height: auto;
      display: block;
      object-fit: contain;
    }

    /* FAQ Section */
    .page-78windangnhap__faq-section {
      background-color: #000000;
    }

    .page-78windangnhap__faq-list {
      margin-top: 30px;
      text-align: left;
    }

    .page-78windangnhap__faq-item {
      background-color: #1a1a1a;
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
    }

    .page-78windangnhap__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      cursor: pointer;
      user-select: none;
      background-color: #2a2a2a;
      border-radius: 8px;
      transition: background-color 0.3s ease;
    }

    .page-78windangnhap__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-78windangnhap__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: #FFD700;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
    }

    .page-78windangnhap__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: #FFD700;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
    }

    .page-78windangnhap__faq-item.active .page-78windangnhap__faq-toggle {
      transform: rotate(45deg);
    }

    .page-78windangnhap__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #E0E0E0;
    }

    .page-78windangnhap__faq-item.active .page-78windangnhap__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Lời kêu gọi hành động cuối cùng */
    .page-78windangnhap__cta-section {
      background-color: #0a0a0a;
      padding: 60px 0;
    }

    .page-78windangnhap__cta-title {
      font-size: 2.2em;
      margin-bottom: 20px;
      color: #FFD700;
    }

    .page-78windangnhap__cta-description {
      font-size: 1.1em;
      margin-bottom: 30px;
      color: #FFFFFF;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-78windangnhap__hero-section {
        padding-top: 100px; /* An toàn cho header di động */
      }

      .page-78windangnhap__hero-title {
        font-size: 2.2em;
      }

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

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

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

      .page-78windangnhap__feature-item {
        flex-basis: 100%;
      }

      .page-78windangnhap__games-grid {
        grid-template-columns: 1fr;
      }

      .page-78windangnhap__provider-logo-wrapper {
        max-width: 120px;
        height: 80px;
        padding: 8px;
      }

      .page-78windangnhap__provider-logo {
        max-height: 60px;
      }

      .page-78windangnhap__faq-question {
        padding: 15px;
      }

      .page-78windangnhap__faq-question h3 {
        font-size: 1em;
      }

      .page-78windangnhap__faq-answer {
        padding: 15px 15px !important; /* responsive padding for FAQ */
      }

      .page-78windangnhap__floating-login-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 0.9em;
      }

      /* 强制图片响应式 */
      .page-78windangnhap img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-78windangnhap__hero-image-wrapper,
      .page-78windangnhap__game-image-wrapper,
      .page-78windangnhap__provider-logo-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }