:root {
      --primary-color: #f7b200; /* Gold/Yellow */
      --secondary-color: #0d47a1; /* Dark Blue */
      --tertiary-color: #1a237e; /* Even Darker Blue */
      --text-color: #e0e0e0; /* Light Grey */
      --heading-color: #ffffff; /* White */
      --background-dark: #121212; /* Very Dark Grey */
      --background-light: #212121; /* Slightly Lighter Dark Grey */
      --border-color: #333;
      --button-hover-color: #ffc107; /* Lighter Gold */
      --shadow-color: rgba(0, 0, 0, 0.5);
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-color);
      background-color: var(--background-dark);
      margin: 0;
      padding: 0;
    }

    .page-yy777-app-download {
      max-width: 1200px;
      margin: 0 auto;
      padding: 10px 15px 40px; /* Decorative top padding, rely on body for header offset */
      box-sizing: border-box;
    }

    .page-yy777-app-download__hero-section {
      text-align: center;
      padding: 60px 20px;
      background-color: var(--background-light);
      border-radius: 10px;
      margin-bottom: 40px;
      box-shadow: 0 8px 16px var(--shadow-color);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .page-yy777-app-download__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8));
      z-index: 1;
    }

    .page-yy777-app-download__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
    }

    .page-yy777-app-download__hero-title {
      font-size: 3em;
      color: var(--heading-color);
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px var(--shadow-color);
    }

    .page-yy777-app-download__hero-subtitle {
      font-size: 1.3em;
      color: var(--text-color);
      margin-bottom: 30px;
    }

    .page-yy777-app-download__download-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--tertiary-color);
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-yy777-app-download__download-button:hover {
      background-color: var(--button-hover-color);
      transform: translateY(-3px);
    }

    .page-yy777-app-download__section {
      background-color: var(--background-light);
      padding: 40px 30px;
      margin-bottom: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 8px var(--shadow-color);
    }

    .page-yy777-app-download__section-title {
      font-size: 2.2em;
      color: var(--primary-color);
      margin-bottom: 25px;
      text-align: center;
      text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    }

    .page-yy777-app-download__section-text {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-yy777-app-download__feature-list,
    .page-yy777-app-download__step-list,
    .page-yy777-app-download__game-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-yy777-app-download__feature-item,
    .page-yy777-app-download__step-item,
    .page-yy777-app-download__game-item {
      background-color: var(--background-dark);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      border-left: 5px solid var(--primary-color);
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-yy777-app-download__feature-item:hover,
    .page-yy777-app-download__step-item:hover,
    .page-yy777-app-download__game-item:hover {
      transform: translateY(-5px);
    }

    .page-yy777-app-download__item-title {
      font-size: 1.5em;
      color: var(--heading-color);
      margin-bottom: 10px;
      text-align: left;
    }

    .page-yy777-app-download__item-description {
      font-size: 1em;
      color: var(--text-color);
      text-align: left;
    }

    .page-yy777-app-download__image-wrapper {
      text-align: center;
      margin: 30px 0;
    }

    .page-yy777-app-download__image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 5px 15px var(--shadow-color);
      display: block;
      margin: 0 auto;
    }

    /* FAQ Section */
    .page-yy777-app-download__faq-section {
      background-color: var(--background-light);
      padding: 40px 30px;
      margin-bottom: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 8px var(--shadow-color);
    }

    .page-yy777-app-download__faq-title {
      font-size: 2.2em;
      color: var(--primary-color);
      margin-bottom: 25px;
      text-align: center;
      text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    }

    .page-yy777-app-download__faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
      background-color: var(--background-dark);
    }

    .page-yy777-app-download__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--secondary-color);
      cursor: pointer;
      user-select: none;
      color: var(--heading-color);
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-yy777-app-download__faq-question:hover {
      background-color: var(--tertiary-color);
    }

    .page-yy777-app-download__faq-question h3 {
      margin: 0;
      color: var(--heading-color);
      font-size: 1.2em; /* Ensure consistent font size */
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-yy777-app-download__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-yy777-app-download__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Adjust padding for answer */
      color: var(--text-color);
      background-color: var(--background-dark);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-yy777-app-download__faq-item.active .page-yy777-app-download__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px !important; /* Restore padding */
      opacity: 1;
    }

    .page-yy777-app-download__faq-item.active .page-yy777-app-download__faq-toggle {
      transform: rotate(45deg); /* Changes '+' to 'x' or similar, visually indicates open */
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-yy777-app-download {
        padding: 10px 10px 30px;
      }

      .page-yy777-app-download__hero-title {
        font-size: 2.2em;
      }

      .page-yy777-app-download__hero-subtitle {
        font-size: 1em;
      }

      .page-yy777-app-download__download-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-yy777-app-download__section-title {
        font-size: 1.8em;
      }

      .page-yy777-app-download__section-text {
        font-size: 0.95em;
      }

      .page-yy777-app-download__feature-list,
      .page-yy777-app-download__step-list,
      .page-yy777-app-download__game-list {
        grid-template-columns: 1fr;
        gap: 15px;
      }

      .page-yy777-app-download__feature-item,
      .page-yy777-app-download__step-item,
      .page-yy777-app-download__game-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-yy777-app-download__feature-list,
      .page-yy777-app-download__step-list,
      .page-yy777-app-download__game-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-yy777-app-download__item-title {
        font-size: 1.3em;
      }

      .page-yy777-app-download__item-description {
        font-size: 0.9em;
      }

      .page-yy777-app-download__image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-yy777-app-download__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }

      .page-yy777-app-download__faq-question {
        padding: 12px 15px;
        font-size: 1.1em;
      }

      .page-yy777-app-download__faq-question h3 {
        font-size: 1.1em;
      }

      .page-yy777-app-download__faq-answer {
        padding: 0 15px;
        font-size: 0.95em;
      }

      .page-yy777-app-download__faq-item.active .page-yy777-app-download__faq-answer {
        padding: 15px !important;
      }
    }