/* Tổng quan */
    :root {
      --page-win55__primary-color: #e0b300; /* Vàng hổ phách */
      --page-win55__secondary-color: #ff4500; /* Đỏ cam */
      --page-win55__dark-bg: #1a1a1a; /* Nền tối */
      --page-win55__light-text: #f0f0f0; /* Chữ sáng */
      --page-win55__gray-text: #cccccc; /* Chữ xám */
      --page-win55__border-color: #333333; /* Màu viền */
      --page-win55__hover-color: #ffd700; /* Vàng khi hover */
    }

    .page-win55 {
      font-family: 'Arial', sans-serif;
      color: var(--page-win55__light-text);
      background-color: var(--page-win55__dark-bg);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Tiêu đề chung */
    .page-win55 h1,
    .page-win55 h2,
    .page-win55 h3 {
      color: var(--page-win55__primary-color);
      text-align: center;
      margin-bottom: 20px;
    }

    .page-win55 h1 {
      font-size: 2.5em;
      margin-top: 20px;
    }

    .page-win55 h2 {
      font-size: 2em;
      margin-top: 40px;
    }

    .page-win55 h3 {
      font-size: 1.5em;
      margin-top: 30px;
    }

    /* Các phần chung */
    .page-win55__section {
      padding: 40px 15px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-win55__section--dark {
      background-color: #222222;
    }

    .page-win55__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Nút hành động */
    .page-win55__button {
      display: inline-block;
      background-color: var(--page-win55__primary-color);
      color: var(--page-win55__dark-bg);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-win55__button:hover {
      background-color: var(--page-win55__hover-color);
      color: #333333;
    }

    /* Phần Hero */
    .page-win55__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:1920x1080:win55,casino,sports,background]') center center / cover no-repeat;
      padding: 10px 15px 80px; /* 10px top padding for fixed header offset, 80px bottom for content */
      text-align: center;
      position: relative;
      min-height: 500px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .page-win55__hero-section h1 {
      font-size: 3em;
      color: var(--page-win55__primary-color);
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-win55__hero-section p {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 30px;
      color: var(--page-win55__light-text);
    }

    .page-win55__hero-buttons {
      display: flex;
      gap: 20px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* Nút đăng ký/đăng nhập nổi */
    .page-win55__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-win55__floating-button {
      background-color: var(--page-win55__secondary-color);
      color: var(--page-win55__light-text);
      padding: 10px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease;
      text-align: center;
      min-width: 100px;
    }

    .page-win55__floating-button:hover {
      background-color: #ff6347; /* Đỏ cam nhạt hơn */
    }

    /* Phần sản phẩm/game */
    .page-win55__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-win55__product-card {
      background-color: #2a2a2a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border: 1px solid var(--page-win55__border-color);
    }

    .page-win55__product-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
    }

    .page-win55__product-card-image {
      width: 100%;
      height: 200px; /* Minimum height for product image */
      object-fit: cover;
      display: block;
    }

    .page-win55__product-card-content {
      padding: 20px;
    }

    .page-win55__product-card-title {
      font-size: 1.3em;
      color: var(--page-win55__primary-color);
      margin-bottom: 10px;
    }

    .page-win55__product-card-description {
      font-size: 0.95em;
      color: var(--page-win55__gray-text);
      margin-bottom: 20px;
    }

    /* Phần khuyến mãi */
    .page-win55__promotion-item {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 25px;
      margin-bottom: 20px;
      text-align: left;
      border: 1px solid var(--page-win55__border-color);
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .page-win55__promotion-item-icon {
      flex-shrink: 0;
      width: 200px; /* Min size */
      height: 200px; /* Min size */
      object-fit: contain;
      border-radius: 5px;
    }

    .page-win55__promotion-item-content h3 {
      text-align: left;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-win55__secondary-color);
    }

    .page-win55__promotion-item-content p {
      color: var(--page-win55__gray-text);
      margin-bottom: 10px;
    }

    /* Phần lý do chọn */
    .page-win55__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-win55__feature-card {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
      text-align: center;
      border: 1px solid var(--page-win55__border-color);
    }

    .page-win55__feature-card-icon {
      width: 200px; /* Min size */
      height: 200px; /* Min size */
      margin-bottom: 15px;
      object-fit: contain;
    }

    .page-win55__feature-card-title {
      font-size: 1.2em;
      color: var(--page-win55__primary-color);
      margin-bottom: 10px;
    }

    .page-win55__feature-card-description {
      color: var(--page-win55__gray-text);
      font-size: 0.95em;
    }

    /* Đối tác và thanh toán */
    .page-win55__partners-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-items: center;
      align-items: center;
    }

    .page-win55__partner-logo {
      width: 200px; /* Minimum size */
      height: 100px; /* Minimum size */
      object-fit: contain;
      filter: grayscale(80%) brightness(150%);
      transition: filter 0.3s ease;
    }

    .page-win55__partner-logo:hover {
      filter: grayscale(0%) brightness(100%);
    }

    /* FAQ Section */
    .page-win55__faq-section {
      background-color: #222222;
      padding: 60px 15px;
    }

    .page-win55__faq-title {
      color: var(--page-win55__primary-color);
      text-align: center;
      margin-bottom: 40px;
    }

    .page-win55__faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .page-win55__faq-item {
      background-color: #2a2a2a;
      margin-bottom: 15px;
      border-radius: 8px;
      border: 1px solid var(--page-win55__border-color);
      overflow: hidden;
    }

    .page-win55__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      cursor: pointer;
      user-select: none;
      background-color: #333333;
      color: var(--page-win55__light-text);
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-win55__faq-question:hover {
      background-color: #444444;
    }

    .page-win55__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-win55__light-text);
      text-align: left;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-win55__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
      color: var(--page-win55__primary-color);
    }

    .page-win55__faq-item.active .page-win55__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-win55__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-win55__gray-text);
      opacity: 0;
    }

    .page-win55__faq-item.active .page-win55__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px !important;
      opacity: 1;
    }

    .page-win55__faq-answer p {
      margin-bottom: 10px;
      text-align: left;
    }

    .page-win55__faq-answer ul {
      list-style-type: disc;
      margin-left: 20px;
      text-align: left;
    }

    .page-win55__faq-answer li {
      margin-bottom: 5px;
    }

    /* Phần mạng xã hội */
    .page-win55__social-links {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
      flex-wrap: wrap;
    }

    .page-win55__social-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 50px; /* Minimum size */
      height: 50px; /* Minimum size */
      background-color: #333333;
      border-radius: 50%;
      color: var(--page-win55__light-text);
      font-size: 1.8em;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
    }

    .page-win55__social-link img {
      width: 35px; /* Minimum size for icon within circle */
      height: 35px; /* Minimum size for icon within circle */
      object-fit: contain;
    }

    .page-win55__social-link:hover {
      background-color: var(--page-win55__primary-color);
      transform: translateY(-5px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-win55 h1 {
        font-size: 2.2em;
      }

      .page-win55 h2 {
        font-size: 1.8em;
      }

      .page-win55 h3 {
        font-size: 1.3em;
      }

      .page-win55__hero-section {
        min-height: 400px;
        padding-bottom: 60px;
      }

      .page-win55__hero-section p {
        font-size: 1em;
      }

      .page-win55__hero-buttons {
        flex-direction: column;
        gap: 15px;
      }

      .page-win55__button {
        width: 80%;
        max-width: 300px;
        margin: 0 auto;
      }

      .page-win55__floating-buttons {
        bottom: 15px;
        right: 15px;
      }

      .page-win55__floating-button {
        padding: 8px 15px;
        min-width: 90px;
        font-size: 0.9em;
      }

      .page-win55__product-grid,
      .page-win55__features-grid,
      .page-win55__partners-grid {
        grid-template-columns: 1fr;
      }

      .page-win55__promotion-item {
        flex-direction: column;
        text-align: center;
      }

      .page-win55__promotion-item-icon {
        margin-bottom: 15px;
      }

      .page-win55__promotion-item-content h3,
      .page-win55__promotion-item-content p {
        text-align: center;
      }

      .page-win55__faq-question {
        padding: 15px;
      }

      .page-win55__faq-question h3 {
        font-size: 1em;
      }

      .page-win55__faq-answer {
        padding: 0 15px;
      }

      .page-win55__faq-item.active .page-win55__faq-answer {
        padding: 15px !important;
      }

      /* List item responsive adjustments */
      .page-win55 ul, .page-win55 ol {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 10px !important; /* Adjust padding to avoid double padding with section */
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-win55 ul li, .page-win55 ol li {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 8px 5px !important; /* Adjust padding */
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      
      .page-win55__social-link {
        width: 45px;
        height: 45px;
        font-size: 1.5em;
      }
      .page-win55__social-link img {
        width: 30px;
        height: 30px;
      }

      .page-win55__partner-logo {
        width: 150px;
        height: 80px;
      }

      .page-win55__product-card-image,
      .page-win55__feature-card-icon,
      .page-win55__promotion-item-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }