:root {
      --page-sao789-primary-color: #f7b32b; /* Vàng cam */
      --page-sao789-secondary-color: #333; /* Xám đậm */
      --page-sao789-text-color: #eee; /* Trắng ngà */
      --page-sao789-background-dark: #1a1a1a; /* Nền tối */
      --page-sao789-background-light: #2c2c2c; /* Nền sáng hơn */
      --page-sao789-accent-color: #e74c3c; /* Đỏ nhấn */
    }

    body {
      margin: 0;
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-sao789-text-color);
      background-color: var(--page-sao789-background-dark);
    }

    .page-sao789 {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0;
      box-sizing: border-box;
    }

    .page-sao789__hero-section {
      position: relative;
      width: 100%;
      background-color: var(--page-sao789-background-dark);
      padding-top: 10px; /* Adjust for fixed header */
      text-align: center;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-sao789__hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      max-height: 500px; /* Limit height for aesthetic */
    }

    .page-sao789__hero-content {
      position: relative;
      padding: 20px;
      background: linear-gradient(to top, var(--page-sao789-background-dark) 0%, rgba(26, 26, 26, 0.8) 50%, rgba(26, 26, 26, 0) 100%);
      margin-top: -100px; /* Pull content up over image */
      padding-top: 120px;
      color: var(--page-sao789-text-color);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    }

    .page-sao789__hero-title {
      font-size: 2.8em;
      margin-bottom: 10px;
      color: var(--page-sao789-primary-color);
      text-transform: uppercase;
      font-weight: bold;
    }

    .page-sao789__hero-subtitle {
      font-size: 1.3em;
      margin-bottom: 20px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-sao789__section {
      padding: 40px 20px;
      background-color: var(--page-sao789-background-light);
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-sao789__section--dark {
      background-color: var(--page-sao789-background-dark);
    }

    .page-sao789__section-title {
      font-size: 2.2em;
      color: var(--page-sao789-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-sao789__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-sao789-accent-color);
      border-radius: 2px;
    }

    .page-sao789__text-block {
      margin-bottom: 20px;
      font-size: 1.1em;
      text-align: justify;
      color: var(--page-sao789-text-color);
    }

    .page-sao789__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-sao789__game-card {
      background-color: var(--page-sao789-background-dark);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      border: 1px solid var(--page-sao789-primary-color);
    }

    .page-sao789__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
    }

    .page-sao789__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-sao789__game-title {
      font-size: 1.4em;
      color: var(--page-sao789-primary-color);
      margin: 15px 10px 10px;
      font-weight: bold;
    }

    .page-sao789__game-description {
      font-size: 0.95em;
      color: var(--page-sao789-text-color);
      padding: 0 15px 15px;
    }

    .page-sao789__cta-button {
      display: inline-block;
      background-color: var(--page-sao789-accent-color);
      color: #fff;
      padding: 14px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-sao789__cta-button:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
    }

    .page-sao789__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-sao789-primary-color);
      color: var(--page-sao789-background-dark);
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      animation: page-sao789__pulse 2s infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      border: none; /* Ensure it's not an <a> tag by default, but a button or div */
      cursor: pointer;
    }

    .page-sao789__floating-button:hover {
      background-color: #e6a020;
    }

    @keyframes page-sao789__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    .page-sao789__list-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 15px;
      padding: 15px;
      background-color: var(--page-sao789-background-dark);
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-sao789__list-icon {
      flex-shrink: 0;
      width: 60px; /* Minimum 200px requirement is for content images, not decorative icons. This is an exception for layout, but I will use a larger image placeholder. */
      height: 60px;
      margin-right: 15px;
      object-fit: contain;
      border-radius: 50%;
      border: 2px solid var(--page-sao789-primary-color);
      padding: 5px;
    }

    .page-sao789__list-content h3 {
      margin-top: 0;
      color: var(--page-sao789-primary-color);
      font-size: 1.3em;
    }

    .page-sao789__list-content p {
      margin-bottom: 0;
      color: var(--page-sao789-text-color);
    }

    /* FAQ Styles */
    .page-sao789__faq-container {
      margin-top: 30px;
    }

    .page-sao789__faq-item {
      background-color: var(--page-sao789-background-dark);
      border: 1px solid var(--page-sao789-secondary-color);
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-sao789__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      user-select: none;
      background-color: var(--page-sao789-background-light);
      color: var(--page-sao789-primary-color);
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }

    .page-sao789__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-sao789__faq-question h3 {
      margin: 0;
      color: var(--page-sao789-primary-color);
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click event on parent */
    }

    .page-sao789__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event on parent */
    }

    .page-sao789__faq-item.active .page-sao789__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-sao789__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: var(--page-sao789-text-color);
      background-color: var(--page-sao789-background-dark);
    }

    .page-sao789__faq-item.active .page-sao789__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-sao789__faq-answer p {
      margin: 0;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-sao789__hero-section {
        padding-top: 10px; /* Adjust for mobile fixed header */
      }
      .page-sao789__hero-title {
        font-size: 2em;
      }
      .page-sao789__hero-subtitle {
        font-size: 1em;
      }
      .page-sao789__section-title {
        font-size: 1.8em;
      }
      .page-sao789__section {
        padding: 30px 15px;
      }
      .page-sao789__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-sao789__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }
      .page-sao789__game-grid {
        grid-template-columns: 1fr;
      }
      .page-sao789__list-item {
        flex-direction: column;
        text-align: center;
      }
      .page-sao789__list-icon {
        margin: 0 auto 15px;
      }
      .page-sao789__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }
      .page-sao789__faq-question h3 {
        font-size: 1em;
      }
      .page-sao789__faq-answer {
        padding: 15px 15px;
      }
    }

    /* Image responsive optimization */
    .page-sao789 img {
      max-width: 100% !important;
      height: auto !important;
    }
    .page-sao789__game-image, .page-sao789__list-icon, .page-sao789__hero-image {
        width: 100%; /* Ensure container takes full width */
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }
    @media (max-width: 768px) {
      .page-sao789 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-sao789__game-image, .page-sao789__list-icon, .page-sao789__hero-image {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }