:root {
      --page-sx666app-bg-color: #000000;
      --page-sx666app-text-color-light: #ffffff;
      --page-sx666app-text-color-accent: #ffcc00; /* Yellow */
      --page-sx666app-button-bg: #ffcc00;
      --page-sx666app-button-text: #000000;
      --page-sx666app-border-color: #333333;
      --page-sx666app-card-bg: #1a1a1a;
      --page-sx666app-faq-header-bg: #222222;
    }

    .page-sx666app {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-sx666app-bg-color);
      color: var(--page-sx666app-text-color-light);
      line-height: 1.6;
      padding-bottom: 80px; /* Space for floating button */
    }

    .page-sx666app__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-sx666app__hero-section {
      background-color: var(--page-sx666app-bg-color);
      text-align: center;
      padding: 150px 0 40px; /* Safe area for fixed header */
      position: relative;
      overflow: hidden;
    }

    .page-sx666app__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto 20px;
      border-radius: 10px;
      box-shadow: 0 0 20px rgba(255, 204, 0, 0.3);
    }

    .page-sx666app__hero-content h1 {
      font-size: 2.8em;
      color: var(--page-sx666app-text-color-accent);
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-sx666app__hero-content p {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-sx666app__button {
      display: inline-block;
      background-color: var(--page-sx666app-button-bg);
      color: var(--page-sx666app-button-text);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-sx666app__button:hover {
      background-color: #e6b800;
      transform: translateY(-3px);
    }

    .page-sx666app__section {
      padding: 60px 0;
      border-bottom: 1px solid var(--page-sx666app-border-color);
    }

    .page-sx666app__section-title {
      font-size: 2.2em;
      color: var(--page-sx666app-text-color-accent);
      text-align: center;
      margin-bottom: 40px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
    }

    .page-sx666app__subsection-title {
      font-size: 1.8em;
      color: var(--page-sx666app-text-color-light);
      margin-top: 30px;
      margin-bottom: 20px;
      text-align: center;
    }

    .page-sx666app__benefits-grid,
    .page-sx666app__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-sx666app__card {
      background-color: var(--page-sx666app-card-bg);
      padding: 25px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      border: 1px solid var(--page-sx666app-border-color);
    }

    .page-sx666app__card:hover {
      transform: translateY(-5px);
    }

    .page-sx666app__card-icon {
      max-width: 100px;
      height: auto;
      margin-bottom: 15px;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-sx666app__card-title {
      font-size: 1.4em;
      color: var(--page-sx666app-text-color-accent);
      margin-bottom: 10px;
    }

    .page-sx666app__card-text {
      font-size: 0.95em;
      color: var(--page-sx666app-text-color-light);
    }

    .page-sx666app__download-steps {
      display: flex;
      flex-direction: column;
      gap: 40px;
      margin-top: 30px;
    }

    .page-sx666app__step-item {
      display: flex;
      align-items: center;
      gap: 30px;
      background-color: var(--page-sx666app-card-bg);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      border: 1px solid var(--page-sx666app-border-color);
    }

    .page-sx666app__step-item:nth-child(even) {
      flex-direction: row-reverse;
    }

    .page-sx666app__step-image-wrapper {
      flex: 1;
      min-width: 250px;
      max-width: 400px;
      text-align: center;
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-sx666app__step-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    .page-sx666app__step-content {
      flex: 2;
    }

    .page-sx666app__step-content h3 {
      font-size: 1.6em;
      color: var(--page-sx666app-text-color-accent);
      margin-bottom: 15px;
    }

    .page-sx666app__step-content p {
      font-size: 1em;
      color: var(--page-sx666app-text-color-light);
    }

    .page-sx666app__game-card {
      background-color: var(--page-sx666app-card-bg);
      padding: 20px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      border: 1px solid var(--page-sx666app-border-color);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }

    .page-sx666app__game-card:hover {
      transform: translateY(-5px);
    }

    .page-sx666app__game-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
    }

    .page-sx666app__game-card-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
    }

    .page-sx666app__game-card-title {
      font-size: 1.3em;
      color: var(--page-sx666app-text-color-accent);
      margin-bottom: 10px;
    }

    .page-sx666app__game-card-description {
      font-size: 0.9em;
      color: var(--page-sx666app-text-color-light);
      flex-grow: 1;
      margin-bottom: 15px;
    }

    .page-sx666app__faq-list {
      margin-top: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-sx666app__faq-item {
      background-color: var(--page-sx666app-card-bg);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--page-sx666app-border-color);
    }

    .page-sx666app__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: var(--page-sx666app-faq-header-bg);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-sx666app__faq-question:hover {
      background-color: #333333;
    }

    .page-sx666app__faq-question h3 {
      font-size: 1.1em;
      color: var(--page-sx666app-text-color-light);
      margin: 0;
      pointer-events: none; /* Prevent h3 text from blocking click event */
    }

    .page-sx666app__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-sx666app-text-color-accent);
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-sx666app__faq-item.active .page-sx666app__faq-toggle {
      transform: rotate(45deg); /* Visually change + to X or - */
    }

    .page-sx666app__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-sx666app-text-color-light);
    }

    .page-sx666app__faq-item.active .page-sx666app__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-sx666app__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      background-color: #e6b800; /* Slightly darker yellow for contrast */
      color: #000000;
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.05em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.3s ease;
      white-space: nowrap;
      border: 2px solid var(--page-sx666app-text-color-light); /* Added border for contrast */
    }

    .page-sx666app__floating-button:hover {
      background-color: #ffcc00;
      transform: translateX(-50%) translateY(-3px);
    }

    /* Responsive Styles */
    @media (max-width: 768px) {
      .page-sx666app__hero-section {
        padding-top: 120px; /* Adjust for mobile fixed header */
        padding-bottom: 30px;
      }

      .page-sx666app__hero-content h1 {
        font-size: 2em;
      }

      .page-sx666app__hero-content p {
        font-size: 1em;
      }

      .page-sx666app__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-sx666app__section {
        padding: 40px 0;
      }

      .page-sx666app__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }

      .page-sx666app__subsection-title {
        font-size: 1.5em;
      }

      .page-sx666app__benefits-grid,
      .page-sx666app__game-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-sx666app__step-item {
        flex-direction: column !important; /* Override even/odd for mobile */
        text-align: center;
      }

      .page-sx666app__step-image-wrapper {
        min-width: unset;
        max-width: 100%;
        margin-bottom: 20px;
      }

      .page-sx666app__step-content h3 {
        font-size: 1.4em;
      }

      .page-sx666app__faq-question {
        padding: 15px 20px;
      }

      .page-sx666app__faq-question h3 {
        font-size: 1em;
      }

      .page-sx666app__faq-answer {
        padding: 0 20px;
      }

      .page-sx666app__faq-item.active .page-sx666app__faq-answer {
        padding: 15px 20px !important;
      }

      .page-sx666app__floating-button {
        font-size: 0.9em;
        padding: 10px 20px;
        bottom: 15px;
      }

      /* Image responsive optimization for mobile */
      .page-sx666app img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-sx666app__image-container,
      .page-sx666app__step-image-wrapper,
      .page-sx666app__game-card-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }