/* Reset và biến cơ bản */
    :root {
      --primary-color: #e44d26; /* Màu cam đậm */
      --secondary-color: #333;
      --text-color: #333;
      --light-text-color: #fff;
      --background-color: #f4f7f6;
      --card-background: #fff;
      --border-color: #eee;
      --button-hover-color: #f66a42;
      --accent-color: #4CAF50; /* Xanh lá cho điểm nhấn */
      --shadow-light: rgba(0, 0, 0, 0.1);
      --shadow-medium: rgba(0, 0, 0, 0.2);
    }

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--text-color);
      background-color: var(--background-color);
      margin: 0;
      padding: 0;
    }

    .page-sao789taixiu {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    /* Hero Section */
    .page-sao789taixiu__hero-section {
      background-color: #0d1a26; /* Nền tối hơn cho phần hero */
      color: var(--light-text-color);
      text-align: center;
      padding: 10px 20px 60px; /* Padding top để tránh bị che bởi header */
      border-radius: 10px;
      margin-bottom: 40px;
      position: relative;
      overflow: hidden;
    }
    .page-sao789taixiu__hero-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }
    .page-sao789taixiu__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }
    .page-sao789taixiu__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      font-weight: 700;
      color: #ffd700; /* Vàng kim */
    }
    .page-sao789taixiu__hero-subtitle {
      font-size: 1.4em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: #f0f0f0;
    }
    .page-sao789taixiu__cta-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--light-text-color);
      padding: 15px 30px;
      border-radius: 8px;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 15px var(--shadow-medium);
      cursor: pointer; /* make it look clickable even without href */
      border: none;
    }
    .page-sao789taixiu__cta-button:hover {
      background-color: var(--button-hover-color);
      transform: translateY(-2px);
    }

    /* Floating Login Button */
    .page-sao789taixiu__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--accent-color);
      color: var(--light-text-color);
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 20px var(--shadow-medium);
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: pulse 2s infinite;
    }
    .page-sao789taixiu__floating-button:hover {
      background-color: #5cb85c;
      transform: scale(1.05);
      animation: none;
    }
    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* General Section Styling */
    .page-sao789taixiu__section {
      background-color: var(--card-background);
      padding: 40px;
      margin-bottom: 30px;
      border-radius: 10px;
      box-shadow: 0 2px 10px var(--shadow-light);
    }
    .page-sao789taixiu__section-title {
      font-size: 2.2em;
      color: var(--primary-color);
      margin-bottom: 25px;
      text-align: center;
      position: relative;
      padding-bottom: 10px;
    }
    .page-sao789taixiu__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: 0;
      width: 80px;
      height: 4px;
      background-color: var(--primary-color);
      border-radius: 2px;
    }

    /* Game List/Product Display */
    .page-sao789taixiu__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }
    .page-sao789taixiu__game-card {
      background-color: #f9f9f9;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px var(--shadow-light);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--border-color);
    }
    .page-sao789taixiu__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px var(--shadow-medium);
    }
    .page-sao789taixiu__game-card-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
    }
    .page-sao789taixiu__game-card-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .page-sao789taixiu__game-card-content {
      padding: 20px;
    }
    .page-sao789taixiu__game-card-title {
      font-size: 1.5em;
      margin-bottom: 10px;
      color: var(--secondary-color);
      font-weight: 600;
    }
    .page-sao789taixiu__game-card-description {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
    }
    .page-sao789taixiu__game-card-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--light-text-color);
      padding: 10px 20px;
      border-radius: 5px;
      font-size: 0.9em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease;
      cursor: pointer;
      border: none;
    }
    .page-sao789taixiu__game-card-button:hover {
      background-color: var(--button-hover-color);
    }

    /* Content Area */
    .page-sao789taixiu__content-area p {
      margin-bottom: 15px;
      font-size: 1.05em;
      color: #444;
    }
    .page-sao789taixiu__content-area ul {
      list-style: disc;
      padding-left: 25px;
      margin-bottom: 20px;
    }
    .page-sao789taixiu__content-area ul li {
      margin-bottom: 8px;
      color: #444;
    }
    .page-sao789taixiu__content-area strong {
      color: var(--primary-color);
    }
    .page-sao789taixiu__content-area h2 {
      font-size: 1.8em;
      color: var(--secondary-color);
      margin-top: 30px;
      margin-bottom: 15px;
    }
    .page-sao789taixiu__content-area h3 {
      font-size: 1.5em;
      color: var(--primary-color);
      margin-top: 25px;
      margin-bottom: 10px;
    }

    /* FAQ Section */
    .page-sao789taixiu__faq-section {
      background-color: var(--card-background);
      padding: 40px;
      margin-bottom: 30px;
      border-radius: 10px;
      box-shadow: 0 2px 10px var(--shadow-light);
    }
    .page-sao789taixiu__faq-item {
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 10px;
    }
    .page-sao789taixiu__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }
    .page-sao789taixiu__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 0;
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--secondary-color);
      transition: color 0.3s ease;
    }
    .page-sao789taixiu__faq-question:hover {
      color: var(--primary-color);
    }
    .page-sao789taixiu__faq-question h3 {
      margin: 0;
      font-size: 1.1em; /* Ensure h3 inside is not too big */
      font-weight: bold;
      color: inherit; /* Inherit color from parent */
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }
    .page-sao789taixiu__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      margin-left: 10px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click on parent */
    }
    .page-sao789taixiu__faq-item.active .page-sao789taixiu__faq-toggle {
      transform: rotate(45deg); /* Rotate plus to form a cross/minus */
    }
    .page-sao789taixiu__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: #555;
    }
    .page-sao789taixiu__faq-item.active .page-sao789taixiu__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-sao789taixiu {
        padding: 10px;
      }
      .page-sao789taixiu__hero-section {
        padding: 10px 15px 40px; /* Adjusted padding for mobile header */
      }
      .page-sao789taixiu__hero-title {
        font-size: 2em;
      }
      .page-sao789taixiu__hero-subtitle {
        font-size: 1.1em;
      }
      .page-sao789taixiu__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-sao789taixiu__floating-button {
        padding: 12px 20px;
        font-size: 0.9em;
        bottom: 15px;
        right: 15px;
      }
      .page-sao789taixiu__section {
        padding: 20px;
      }
      .page-sao789taixiu__section-title {
        font-size: 1.8em;
      }
      .page-sao789taixiu__game-grid {
        grid-template-columns: 1fr;
      }
      .page-sao789taixiu__game-card-title {
        font-size: 1.3em;
      }
      .page-sao789taixiu__content-area p,
      .page-sao789taixiu__content-area ul li {
        font-size: 0.95em;
      }
      .page-sao789taixiu__content-area h2 {
        font-size: 1.6em;
      }
      .page-sao789taixiu__content-area h3 {
        font-size: 1.3em;
      }
      .page-sao789taixiu__faq-question {
        font-size: 1em;
      }
      .page-sao789taixiu__faq-question h3 {
        font-size: 1em;
      }
      /* Image responsive optimization for mobile */
      .page-sao789taixiu__hero-image,
      .page-sao789taixiu__game-card-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-sao789taixiu__hero-image-container,
      .page-sao789taixiu__game-card-image-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }