:root {
      --primary-color: #FFD700; /* Gold */
      --secondary-color: #333333; /* Dark Grey */
      --accent-color: #FF4500; /* OrangeRed */
      --text-color: #FFFFFF; /* White */
      --background-dark: #1A1A1A; /* Very Dark Grey */
      --background-light: #2C2C2C; /* Darker Grey */
      --border-color: #555555;
      --button-bg: #007BFF; /* Blue */
      --button-hover: #0056b3; /* Darker Blue */
      --gap-small: 15px;
      --gap-medium: 30px;
      --gap-large: 60px;
    }

    /* Base styles for the page content */
    .page-yy777-app-download-old-version {
      background-color: var(--background-dark);
      color: var(--text-color);
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      padding: var(--gap-medium) 0;
      overflow-x: hidden;
      max-width: 100%;
    }

    /* Ensure body padding-top is handled by shared.css for header offset */
    /* Add a small decorative padding to the first section */
    .page-yy777-app-download-old-version__hero-section {
        padding-top: 10px; /* Small decorative padding */
    }

    .page-yy777-app-download-old-version__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--gap-small);
      box-sizing: border-box;
    }

    .page-yy777-app-download-old-version__section {
      padding: var(--gap-large) 0;
      text-align: center;
    }

    .page-yy777-app-download-old-version__section:nth-of-type(even) {
      background-color: var(--background-light);
    }

    .page-yy777-app-download-old-version__heading {
      color: var(--primary-color);
      font-size: 2.8em;
      margin-bottom: var(--gap-small);
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-yy777-app-download-old-version__subheading {
      color: var(--accent-color);
      font-size: 1.8em;
      margin-bottom: var(--gap-medium);
    }

    .page-yy777-app-download-old-version__paragraph {
      font-size: 1.1em;
      margin-bottom: var(--gap-small);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: #E0E0E0;
    }

    .page-yy777-app-download-old-version__button {
      background-color: var(--button-bg);
      color: var(--text-color);
      padding: 15px 30px;
      border: none;
      border-radius: 5px;
      font-size: 1.2em;
      cursor: pointer;
      transition: background-color 0.3s ease;
      margin-top: var(--gap-medium);
      text-decoration: none;
      display: inline-block;
      font-weight: bold;
    }

    .page-yy777-app-download-old-version__button:hover {
      background-color: var(--button-hover);
    }

    .page-yy777-app-download-old-version__image-wrapper {
      margin: var(--gap-medium) auto;
      width: 100%;
      max-width: 800px;
      overflow: hidden;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      box-sizing: border-box;
    }

    .page-yy777-app-download-old-version__image {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Feature/Benefit List */
    .page-yy777-app-download-old-version__feature-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: var(--gap-medium);
      list-style: none;
      padding: 0;
      margin: var(--gap-medium) 0;
    }

    .page-yy777-app-download-old-version__feature-item {
      background-color: var(--background-light);
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: var(--gap-medium);
      width: calc(33% - var(--gap-medium));
      box-sizing: border-box;
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-yy777-app-download-old-version__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-yy777-app-download-old-version__feature-title {
      color: var(--primary-color);
      font-size: 1.4em;
      margin-bottom: var(--gap-small);
    }

    .page-yy777-app-download-old-version__feature-description {
      color: #CCCCCC;
    }

    /* Step-by-step guide */
    .page-yy777-app-download-old-version__step-list {
      list-style: none;
      padding: 0;
      margin: var(--gap-medium) 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--gap-medium);
    }

    .page-yy777-app-download-old-version__step-item {
      background-color: var(--background-light);
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: var(--gap-medium);
      text-align: left;
      box-sizing: border-box;
      position: relative;
      padding-left: 60px;
    }

    .page-yy777-app-download-old-version__step-number {
      position: absolute;
      left: var(--gap-small);
      top: var(--gap-medium);
      background-color: var(--accent-color);
      color: var(--text-color);
      width: 35px;
      height: 35px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-weight: bold;
      font-size: 1.2em;
    }

    .page-yy777-app-download-old-version__step-title {
      color: var(--primary-color);
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-yy777-app-download-old-version__step-description {
      color: #CCCCCC;
    }

    /* External link styling for promotion */
    .page-yy777-app-download-old-version__promo-link {
      color: var(--primary-color);
      text-decoration: underline;
      font-weight: bold;
    }

    .page-yy777-app-download-old-version__promo-link:hover {
      color: var(--accent-color);
    }

    /* FAQ Section Styles */
    .page-yy777-app-download-old-version__faq-container {
      margin-top: var(--gap-medium);
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
      text-align: left;
    }

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

    .page-yy777-app-download-old-version__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      user-select: none;
      background-color: var(--secondary-color);
      transition: background-color 0.3s ease;
    }

    .page-yy777-app-download-old-version__faq-question:hover {
      background-color: #444444;
    }

    .page-yy777-app-download-old-version__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--primary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-yy777-app-download-old-version__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-yy777-app-download-old-version__faq-item.active .page-yy777-app-download-old-version__faq-toggle {
      transform: rotate(45deg); /* Plus to X (minus visually) */
    }

    .page-yy777-app-download-old-version__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-yy777-app-download-old-version__faq-item.active .page-yy777-app-download-old-version__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Mobile Responsiveness */
    @media (max-width: 1024px) {
      .page-yy777-app-download-old-version__heading {
        font-size: 2.2em;
      }
      .page-yy777-app-download-old-version__subheading {
        font-size: 1.6em;
      }
      .page-yy777-app-download-old-version__feature-item {
        width: calc(49% - var(--gap-small));
      }
    }

    @media (max-width: 768px) {
      .page-yy777-app-download-old-version__heading {
        font-size: 1.8em;
      }
      .page-yy777-app-download-old-version__subheading {
        font-size: 1.4em;
      }
      .page-yy777-app-download-old-version__paragraph {
        font-size: 1em;
      }
      .page-yy777-app-download-old-version__button {
        padding: 12px 25px;
        font-size: 1.1em;
      }
      .page-yy777-app-download-old-version__feature-list,
      .page-yy777-app-download-old-version__step-list {
        flex-direction: column;
        gap: var(--gap-small);
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-yy777-app-download-old-version__feature-item,
      .page-yy777-app-download-old-version__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-yy777-app-download-old-version__step-item {
        padding-left: 50px !important;
      }
      .page-yy777-app-download-old-version__step-number {
        left: 15px;
        top: 15px;
      }
      .page-yy777-app-download-old-version__image-wrapper {
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-yy777-app-download-old-version__image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-yy777-app-download-old-version__faq-question {
        padding: 12px 15px;
      }
      .page-yy777-app-download-old-version__faq-question h3 {
        font-size: 1.1em;
      }
      .page-yy777-app-download-old-version__faq-toggle {
        font-size: 1.5em;
      }
      .page-yy777-app-download-old-version__faq-answer {
        padding: 15px !important;
      }
    }

    @media (max-width: 480px) {
      .page-yy777-app-download-old-version__heading {
        font-size: 1.5em;
      }
      .page-yy777-app-download-old-version__subheading {
        font-size: 1.2em;
      }
      .page-yy777-app-download-old-version__button {
        padding: 10px 20px;
        font-size: 1em;
      }
    }