/* Reset và các biến cơ bản */
    :root {
      --page-xvipwinapp__primary-color: #e44d26; /* Màu cam đỏ */
      --page-xvipwinapp__secondary-color: #333;
      --page-xvipwinapp__accent-color: #ffcc00; /* Vàng */
      --page-xvipwinapp__text-color: #333;
      --page-xvipwinapp__background-light: #f9f9f9;
      --page-xvipwinapp__background-dark: #2c3e50; /* Xám xanh đậm */
      --page-xvipwinapp__white: #fff;
      --page-xvipwinapp__border-color: #ddd;
      --page-xvipwinapp__shadow: rgba(0, 0, 0, 0.1);
      --page-xvipwinapp__max-width: 1200px;
      --page-xvipwinapp__mobile-padding: 15px;
      --page-xvipwinapp__desktop-padding: 20px;
    }

    /* Các kiểu chung cho trang */
    .page-xvipwinapp {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-xvipwinapp__text-color);
      background-color: var(--page-xvipwinapp__background-light);
      overflow-x: hidden;
    }

    .page-xvipwinapp__container {
      max-width: var(--page-xvipwinapp__max-width);
      margin: 0 auto;
      padding: 0 var(--page-xvipwinapp__desktop-padding);
    }

    /* Tiêu đề */
    .page-xvipwinapp__main-title {
      font-size: 2.5em;
      color: var(--page-xvipwinapp__primary-color);
      text-align: center;
      margin-bottom: 20px;
      font-weight: 700;
      line-height: 1.2;
    }

    .page-xvipwinapp__section-title {
      font-size: 2em;
      color: var(--page-xvipwinapp__secondary-color);
      text-align: center;
      margin-top: 40px;
      margin-bottom: 25px;
      font-weight: 600;
    }

    .page-xvipwinapp__subsection-title {
      font-size: 1.5em;
      color: var(--page-xvipwinapp__primary-color);
      margin-top: 30px;
      margin-bottom: 15px;
      font-weight: 600;
    }

    /* Đoạn văn bản */
    .page-xvipwinapp__paragraph {
      margin-bottom: 1em;
      text-align: justify;
    }

    /* Nút hành động */
    .page-xvipwinapp__button {
      display: inline-block;
      background-color: var(--page-xvipwinapp__primary-color);
      color: var(--page-xvipwinapp__white);
      padding: 12px 25px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
      text-align: center;
    }

    .page-xvipwinapp__button:hover {
      background-color: #c74320;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-xvipwinapp__hero-section {
      position: relative;
      background-color: var(--page-xvipwinapp__background-dark);
      color: var(--page-xvipwinapp__white);
      text-align: center;
      padding: 10px 0 50px; /* Added padding-top for fixed header */
      overflow: hidden;
    }

    .page-xvipwinapp__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 10px;
      box-shadow: 0 8px 16px var(--page-xvipwinapp__shadow);
      object-fit: cover;
      width: 100%; /* Ensure image takes full width of its container */
      max-width: 800px; /* Limit max width for desktop */
    }

    .page-xvipwinapp__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px var(--page-xvipwinapp__desktop-padding);
    }

    /* Nút đăng nhập nổi bật */
    .page-xvipwinapp__floating-button-wrapper {
        position: sticky; /* Use sticky for mobile-first, then fixed for desktop */
        bottom: 20px;
        width: 100%;
        display: flex;
        justify-content: center;
        z-index: 1000; /* Ensure it's above other content */
        padding: 0 var(--page-xvipwinapp__mobile-padding);
        box-sizing: border-box;
    }
    .page-xvipwinapp__floating-button {
      background: linear-gradient(90deg, #ff8c00, #ff4500); /* Gradient for appeal */
      color: var(--page-xvipwinapp__white);
      padding: 15px 30px;
      border-radius: 50px; /* Pill shape */
      font-size: 1.2em;
      font-weight: bold;
      text-transform: uppercase;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      animation: page-xvipwinapp__pulse 2s infinite;
      text-decoration: none;
      display: block; /* Make it a block for better click area */
      max-width: 300px; /* Limit width */
      width: 100%;
      text-align: center;
      border: none;
      cursor: pointer;
    }

    .page-xvipwinapp__floating-button:hover {
      background: linear-gradient(90deg, #ff4500, #ff8c00);
      animation: none;
      transform: translateY(-3px);
    }

    @keyframes page-xvipwinapp__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Các phần giới thiệu */
    .page-xvipwinapp__info-section {
      padding: 40px 0;
      background-color: var(--page-xvipwinapp__white);
      border-bottom: 1px solid var(--page-xvipwinapp__border-color);
    }

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

    .page-xvipwinapp__info-card {
      background-color: var(--page-xvipwinapp__background-light);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 10px var(--page-xvipwinapp__shadow);
      text-align: center;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      height: 100%;
      box-sizing: border-box;
    }

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

    .page-xvipwinapp__info-card-icon {
      width: 100%;
      height: auto;
      margin-bottom: 15px;
      object-fit: contain;
      min-width: 200px; /* Enforce min size for actual gallery image */
      min-height: 200px;
      max-width: 250px; /* A reasonable max-width for "icon-like" images */
    }
    
    .page-xvipwinapp__info-card-title {
      font-size: 1.3em;
      color: var(--page-xvipwinapp__primary-color);
      margin-bottom: 10px;
      font-weight: 600;
    }

    /* Hướng dẫn tải app */
    .page-xvipwinapp__download-section {
      padding: 40px 0;
      background-color: var(--page-xvipwinapp__background-light);
    }

    .page-xvipwinapp__download-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
    }

    .page-xvipwinapp__step-item {
      display: flex;
      align-items: flex-start;
      background-color: var(--page-xvipwinapp__white);
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px var(--page-xvipwinapp__shadow);
      box-sizing: border-box;
    }

    .page-xvipwinapp__step-number {
      background-color: var(--page-xvipwinapp__primary-color);
      color: var(--page-xvipwinapp__white);
      border-radius: 50%;
      width: 35px;
      height: 35px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.1em;
      flex-shrink: 0;
      margin-right: 15px;
    }

    .page-xvipwinapp__step-content {
      flex-grow: 1;
    }

    .page-xvipwinapp__step-content h3 {
      margin-top: 0;
      color: var(--page-xvipwinapp__secondary-color);
      font-size: 1.2em;
    }

    .page-xvipwinapp__download-buttons {
      text-align: center;
      margin-top: 40px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
    }

    .page-xvipwinapp__download-link {
      background-color: var(--page-xvipwinapp__accent-color);
      color: var(--page-xvipwinapp__secondary-color);
      padding: 12px 25px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      display: flex;
      align-items: center;
      gap: 10px;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-xvipwinapp__download-link:hover {
      background-color: #e6b800;
      transform: translateY(-2px);
    }
    
    .page-xvipwinapp__download-link img {
      width: 30px;
      height: 30px;
      min-width: 200px; /* Enforce min size for actual gallery image */
      min-height: 200px;
      object-fit: contain;
    }

    /* Danh mục trò chơi */
    .page-xvipwinapp__games-section {
      padding: 40px 0;
      background-color: var(--page-xvipwinapp__white);
    }

    .page-xvipwinapp__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-xvipwinapp__game-card {
      background-color: var(--page-xvipwinapp__background-light);
      border-radius: 10px;
      box-shadow: 0 4px 10px var(--page-xvipwinapp__shadow);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box;
      display: flex;
      flex-direction: column;
    }

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

    .page-xvipwinapp__game-card-image {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
      min-width: 200px;
      min-height: 200px;
    }

    .page-xvipwinapp__game-card-content {
      padding: 15px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-xvipwinapp__game-card-title {
      font-size: 1.2em;
      color: var(--page-xvipwinapp__secondary-color);
      margin-bottom: 10px;
      font-weight: 600;
    }

    /* Lý do chọn Xvip Win */
    .page-xvipwinapp__why-choose-section {
      padding: 40px 0;
      background-color: var(--page-xvipwinapp__background-dark);
      color: var(--page-xvipwinapp__white);
    }

    .page-xvipwinapp__why-choose-section .page-xvipwinapp__section-title {
      color: var(--page-xvipwinapp__white);
    }

    .page-xvipwinapp__why-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
      list-style: none;
      padding: 0;
    }

    .page-xvipwinapp__why-item {
      background-color: rgba(255, 255, 255, 0.1);
      padding: 20px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      gap: 15px;
      box-sizing: border-box;
    }

    .page-xvipwinapp__why-item-icon {
      width: 40px;
      height: 40px;
      object-fit: contain;
      flex-shrink: 0;
      min-width: 200px; /* Enforce min size for actual gallery image */
      min-height: 200px;
    }

    .page-xvipwinapp__why-item-text {
      font-size: 1.1em;
    }

    /* FAQ Section */
    .page-xvipwinapp__faq-section {
      padding: 40px 0;
      background-color: var(--page-xvipwinapp__background-light);
    }

    .page-xvipwinapp__faq-list {
      margin-top: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      list-style: none;
      padding: 0;
    }

    .page-xvipwinapp__faq-item {
      background-color: var(--page-xvipwinapp__white);
      border: 1px solid var(--page-xvipwinapp__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px var(--page-xvipwinapp__shadow);
    }

    .page-xvipwinapp__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: var(--page-xvipwinapp__white);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-xvipwinapp__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-xvipwinapp__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-xvipwinapp__secondary-color);
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-xvipwinapp__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-xvipwinapp__primary-color);
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle icon from blocking click */
      transition: transform 0.3s ease;
    }

    .page-xvipwinapp__faq-item.active .page-xvipwinapp__faq-toggle {
      transform: rotate(45deg); /* Change + to X (rotated +) */
    }

    .page-xvipwinapp__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.3s ease;
      color: var(--page-xvipwinapp__text-color);
    }

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

    /* Call to Action cuối trang */
    .page-xvipwinapp__cta-section {
      padding: 50px 0;
      background-color: var(--page-xvipwinapp__primary-color);
      color: var(--page-xvipwinapp__white);
      text-align: center;
    }

    .page-xvipwinapp__cta-section h2 {
      color: var(--page-xvipwinapp__white);
      margin-bottom: 20px;
      font-size: 2em;
    }

    .page-xvipwinapp__cta-section p {
      font-size: 1.1em;
      margin-bottom: 30px;
    }

    /* Responsive cho di động */
    @media (max-width: 768px) {
      .page-xvipwinapp__container {
        padding: 0 var(--page-xvipwinapp__mobile-padding);
      }

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

      .page-xvipwinapp__section-title {
        font-size: 1.7em;
      }

      .page-xvipwinapp__subsection-title {
        font-size: 1.3em;
      }

      .page-xvipwinapp__hero-section {
        padding-top: 10px; /* Adjust padding for mobile fixed header */
        padding-bottom: 30px;
      }

      .page-xvipwinapp__info-grid,
      .page-xvipwinapp__games-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-xvipwinapp__info-card,
      .page-xvipwinapp__game-card,
      .page-xvipwinapp__step-item,
      .page-xvipwinapp__why-item,
      .page-xvipwinapp__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-xvipwinapp__download-buttons {
        flex-direction: column;
        align-items: center;
      }

      .page-xvipwinapp__faq-answer {
        padding: 0 15px; /* Adjust padding for mobile */
      }
      .page-xvipwinapp__faq-item.active .page-xvipwinapp__faq-answer {
        padding: 15px 15px !important; /* Adjust padding for mobile */
      }

      .page-xvipwinapp__floating-button-wrapper {
        padding: 0 var(--page-xvipwinapp__mobile-padding);
      }

      /* Ensure all images are responsive */
      .page-xvipwinapp__hero-image,
      .page-xvipwinapp__info-card-icon,
      .page-xvipwinapp__download-link img,
      .page-xvipwinapp__game-card-image,
      .page-xvipwinapp__why-item-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-xvipwinapp__info-card-icon,
      .page-xvipwinapp__download-link img,
      .page-xvipwinapp__why-item-icon {
          min-width: 200px !important; /* Maintain minimum size */
          min-height: 200px !important; /* Maintain minimum size */
      }
    }

    @media (min-width: 769px) {
        .page-xvipwinapp__floating-button-wrapper {
            position: fixed; /* Fixed for desktop */
            bottom: 30px;
            right: 30px; /* Position to the right for desktop */
            width: auto;
            max-width: 300px;
            padding: 0;
        }
        .page-xvipwinapp__floating-button {
            width: auto;
            min-width: 250px;
        }
    }