/* Tổng quan */
    :root {
      --page-456win-apk-primary-color: #0a4f8f; /* Deep Blue */
      --page-456win-apk-secondary-color: #f7a800; /* Gold */
      --page-456win-apk-accent-color: #e53935; /* Red for emphasis/buttons */
      --page-456win-apk-text-color: #333333;
      --page-456win-apk-light-text-color: #ffffff;
      --page-456win-apk-background-light: #f4f7f6;
      --page-456win-apk-background-dark: #1a1a2e; /* Dark background for some sections */
      --page-456win-apk-border-radius: 8px;
      --page-456win-apk-spacing-medium: 20px;
      --page-456win-apk-spacing-large: 40px;
      --page-456win-apk-font-family: 'Arial', sans-serif;
    }

    .page-456win-apk {
      font-family: var(--page-456win-apk-font-family);
      color: var(--page-456win-apk-text-color);
      line-height: 1.6;
      background-color: var(--page-456win-apk-background-light);
    }

    /* Tiêu đề chung */
    .page-456win-apk h1,
    .page-456win-apk h2,
    .page-456win-apk h3 {
      color: var(--page-456win-apk-primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-456win-apk h1 {
      font-size: 2.5em;
      text-align: center;
      padding-bottom: 10px;
      color: var(--page-456win-apk-light-text-color); /* H1 inside hero */
    }

    .page-456win-apk h2 {
      font-size: 2em;
      text-align: center;
      margin-top: var(--page-456win-apk-spacing-large);
      margin-bottom: var(--page-456win-apk-spacing-medium);
    }

    .page-456win-apk h3 {
      font-size: 1.5em;
      margin-top: var(--page-456win-apk-spacing-medium);
    }

    /* Phần chính của trang */
    .page-456win-apk__main-content {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--page-456win-apk-spacing-medium);
    }

    /* Hero Section */
    .page-456win-apk__hero-section {
      background: linear-gradient(135deg, var(--page-456win-apk-primary-color), #002d5a);
      color: var(--page-456win-apk-light-text-color);
      padding: var(--page-456win-apk-spacing-large) var(--page-456win-apk-spacing-medium);
      text-align: center;
      position: relative;
      overflow: hidden;
      padding-top: 10px; /* Adjust for shared header offset */
    }

    .page-456win-apk__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('[GALLERY:pattern:1920x1080:abstract,geometric]');
      background-size: cover;
      opacity: 0.1;
      z-index: 0;
    }

    .page-456win-apk__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-456win-apk__hero-description {
      font-size: 1.2em;
      margin-bottom: var(--page-456win-apk-spacing-medium);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-456win-apk__download-button {
      display: inline-block;
      background-color: var(--page-456win-apk-secondary-color);
      color: var(--page-456win-apk-light-text-color);
      padding: 15px 30px;
      border-radius: var(--page-456win-apk-border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      margin-top: 15px;
    }

    .page-456win-apk__download-button:hover {
      background-color: #e69d00;
      transform: translateY(-3px);
    }

    /* Các phần nội dung */
    .page-456win-apk__section {
      padding: var(--page-456win-apk-spacing-large) var(--page-456win-apk-spacing-medium);
      background-color: var(--page-456win-apk-background-light);
      text-align: center;
    }

    .page-456win-apk__section--dark {
      background-color: var(--page-456win-apk-background-dark);
      color: var(--page-456win-apk-light-text-color);
    }

    .page-456win-apk__section--dark h2,
    .page-456win-apk__section--dark h3 {
      color: var(--page-456win-apk-secondary-color);
    }

    .page-456win-apk__section-description {
      max-width: 800px;
      margin: 0 auto 30px auto;
      font-size: 1.1em;
    }

    /* Lưới tính năng */
    .page-456win-apk__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--page-456win-apk-spacing-medium);
      max-width: 1000px;
      margin: 0 auto;
      text-align: left;
    }

    .page-456win-apk__feature-item {
      background-color: var(--page-456win-apk-light-text-color);
      padding: var(--page-456win-apk-spacing-medium);
      border-radius: var(--page-456win-apk-border-radius);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      box-sizing: border-box; /* Required for list items */
    }

    .page-456win-apk__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-456win-apk__feature-icon {
      width: 100px; /* Min 200x200 requirement met by image placeholder, actual display size can be smaller */
      height: 100px;
      margin-bottom: 15px;
      object-fit: contain;
    }

    .page-456win-apk__feature-title {
      color: var(--page-456win-apk-primary-color);
      margin-bottom: 10px;
    }

    /* Lưới trò chơi */
    .page-456win-apk__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--page-456win-apk-spacing-medium);
      max-width: 1100px;
      margin: 0 auto;
    }

    .page-456win-apk__game-card {
      background-color: var(--page-456win-apk-light-text-color);
      border-radius: var(--page-456win-apk-border-radius);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Required for list items */
    }

    .page-456win-apk__game-card:hover {
      transform: translateY(-5px);
    }

    .page-456win-apk__image-container {
        width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-456win-apk__game-image {
      width: 100%;
      height: 200px; /* Ensure minimum height for images */
      object-fit: cover;
      display: block;
    }

    .page-456win-apk__game-info {
      padding: 15px;
    }

    .page-456win-apk__game-title {
      font-size: 1.2em;
      color: var(--page-456win-apk-primary-color);
      margin-bottom: 10px;
    }

    /* Hướng dẫn tải */
    .page-456win-apk__download-steps {
      max-width: 800px;
      margin: 0 auto;
      text-align: left;
    }

    .page-456win-apk__step-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 25px;
      gap: 15px;
      box-sizing: border-box; /* Required for list items */
    }

    .page-456win-apk__step-number {
      background-color: var(--page-456win-apk-secondary-color);
      color: var(--page-456win-apk-light-text-color);
      width: 40px;
      height: 40px;
      min-width: 40px;
      min-height: 40px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-weight: bold;
      font-size: 1.2em;
    }

    .page-456win-apk__step-content h3 {
      margin-top: 0;
      margin-bottom: 5px;
      color: var(--page-456win-apk-primary-color);
    }

    .page-456win-apk__step-content p {
      margin-top: 0;
    }

    /* Nút đăng ký/đăng nhập nổi */
    .page-456win-apk__floating-buttons {
      position: fixed;
      bottom: var(--page-456win-apk-spacing-medium);
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      width: calc(100% - var(--page-456win-apk-spacing-medium) * 2);
      max-width: 400px;
      justify-content: center;
    }

    .page-456win-apk__floating-button {
      flex: 1;
      background-color: var(--page-456win-apk-accent-color);
      color: var(--page-456win-apk-light-text-color);
      padding: 12px 20px;
      border-radius: var(--page-456win-apk-border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      text-align: center;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-456win-apk__floating-button--login {
      background-color: var(--page-456win-apk-primary-color);
    }

    .page-456win-apk__floating-button:hover {
      transform: translateY(-3px);
      filter: brightness(1.1);
    }

    /* FAQ Section */
    .page-456win-apk__faq-section {
      padding: var(--page-456win-apk-spacing-large) var(--page-456win-apk-spacing-medium);
      max-width: 900px;
      margin: 0 auto;
      text-align: left;
    }

    .page-456win-apk__faq-item {
      background-color: var(--page-456win-apk-light-text-color);
      border-radius: var(--page-456win-apk-border-radius);
      margin-bottom: 10px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      overflow: hidden;
    }

    .page-456win-apk__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #eaf1f7;
      border-bottom: 1px solid #dce4eb;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-456win-apk__faq-question:hover {
      background-color: #e0e8f0;
    }

    .page-456win-apk__faq-question h3 {
      margin: 0;
      color: var(--page-456win-apk-primary-color);
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-456win-apk__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-456win-apk-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-456win-apk__faq-item.active .page-456win-apk__faq-toggle {
      transform: rotate(45deg);
    }

    .page-456win-apk__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;
      opacity: 0;
      background-color: var(--page-456win-apk-light-text-color);
      color: var(--page-456win-apk-text-color);
    }

    .page-456win-apk__faq-item.active .page-456win-apk__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 20px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-456win-apk h1 {
        font-size: 2em;
      }

      .page-456win-apk h2 {
        font-size: 1.7em;
      }

      .page-456win-apk h3 {
        font-size: 1.3em;
      }

      .page-456win-apk__hero-description {
        font-size: 1em;
      }

      .page-456win-apk__download-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-456win-apk__main-content {
        padding: 10px;
      }

      .page-456win-apk__section {
        padding: var(--page-456win-apk-spacing-medium) 10px;
      }

      /* List item mobile responsiveness */
      .page-456win-apk__features-grid,
      .page-456win-apk__games-grid {
        grid-template-columns: 1fr;
        gap: 15px;
      }

      .page-456win-apk__feature-item,
      .page-456win-apk__game-card,
      .page-456win-apk__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 15px !important; /* Adjust padding for mobile */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-456win-apk__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .page-456win-apk__step-number {
        margin-bottom: 10px;
      }

      .page-456win-apk__game-image {
        height: 180px;
      }

      /* Image responsive */
      .page-456win-apk img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-456win-apk__image-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }

      .page-456win-apk__floating-buttons {
        bottom: 10px;
        gap: 10px;
        width: calc(100% - 20px);
      }

      .page-456win-apk__floating-button {
        padding: 10px 15px;
        font-size: 0.9em;
      }

      .page-456win-apk__faq-question {
        padding: 12px 15px;
      }

      .page-456win-apk__faq-question h3 {
        font-size: 1em;
      }

      .page-456win-apk__faq-answer {
        padding: 0 15px;
      }

      .page-456win-apk__faq-item.active .page-456win-apk__faq-answer {
        padding: 15px 15px !important;
      }
    }