/* Page-specific CSS for số đỏ 66 */
    :root {
      --page-sodo66-primary-color: #C0392B; /* Đỏ đô */
      --page-sodo66-secondary-color: #F39C12; /* Cam */
      --page-sodo66-text-dark: #333333;
      --page-sodo66-text-light: #FFFFFF;
      --page-sodo66-background-dark: #2C3E50; /* Xám xanh đậm */
      --page-sodo66-background-light: #ECF0F1; /* Xám nhạt */
      --page-sodo66-accent-color: #27AE60; /* Xanh lá */
    }

    .page-sodo66 {
      font-family: 'Arial', sans-serif;
      color: var(--page-sodo66-text-dark);
      background-color: var(--page-sodo66-background-light);
      line-height: 1.6;
      padding-top: 0; /* Header placeholder will handle top padding */
    }

    /* Safe zone for banner, considering floating header/menu */
    .page-sodo66-hero-section {
      position: relative;
      padding-top: 160px; /* Adjust for floating header/menu */
      background-color: var(--page-sodo66-background-dark);
      color: var(--page-sodo66-text-light);
      text-align: center;
      overflow: hidden; /* Ensure image doesn't overflow */
    }

    .page-sodo66-hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-sodo66-hero-image {
      display: block; /* Ensure image is not inline */
      max-width: 100%;
      height: auto;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      object-fit: contain; /* Maintain aspect ratio */
      width: 100%; /* Occupy full width of its container */
      max-height: 400px; /* Limit height for aesthetic */
    }

    .page-sodo66-hero-content h1 {
      font-size: 2.5em;
      margin-top: 20px;
      margin-bottom: 10px;
      color: var(--page-sodo66-secondary-color);
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    .page-sodo66-hero-content p {
      font-size: 1.1em;
      max-width: 700px;
      margin: 0 auto 30px auto;
      color: var(--page-sodo66-text-light);
    }

    .page-sodo66-button {
      display: inline-block;
      background-color: var(--page-sodo66-primary-color);
      color: var(--page-sodo66-text-light);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-sodo66-button:hover {
      background-color: #E74C3C; /* Slightly lighter red */
      transform: translateY(-2px);
    }

    .page-sodo66-floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-sodo66-accent-color);
      color: var(--page-sodo66-text-light);
      padding: 15px 25px;
      border-radius: 50px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      font-weight: bold;
      font-size: 1.2em;
      text-decoration: none;
      text-align: center;
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: page-sodo66-pulse 2s infinite;
    }

    .page-sodo66-floating-button:hover {
      background-color: #2ECC71;
      transform: scale(1.05);
    }

    @keyframes page-sodo66-pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.03); }
      100% { transform: scale(1); }
    }

    .page-sodo66-section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-sodo66-section h2 {
      font-size: 2em;
      color: var(--page-sodo66-primary-color);
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-sodo66-section h2::after {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: 0;
      width: 60px;
      height: 3px;
      background-color: var(--page-sodo66-secondary-color);
      border-radius: 2px;
    }

    .page-sodo66-section p {
      font-size: 1em;
      margin-bottom: 20px;
      color: var(--page-sodo66-text-dark);
    }

    .page-sodo66-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-sodo66-card {
      background-color: var(--page-sodo66-text-light);
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      padding: 20px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      align-items: center;
      min-height: 180px;
    }

    .page-sodo66-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-sodo66-card img {
      max-width: 80px;
      height: auto;
      margin-bottom: 15px;
      object-fit: contain;
    }
    
    .page-sodo66-card a {
      text-decoration: none;
      color: var(--page-sodo66-primary-color);
      font-weight: bold;
      font-size: 1.1em;
      transition: color 0.3s ease;
    }

    .page-sodo66-card a:hover {
      color: var(--page-sodo66-secondary-color);
    }

    .page-sodo66-game-provider-grid {
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

    .page-sodo66-game-provider-card img {
      max-width: 100px;
      height: auto;
      margin: 0;
    }

    .page-sodo66-game-provider-card {
      padding: 10px;
      min-height: auto;
    }

    .page-sodo66-promo-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
      text-align: left;
    }

    .page-sodo66-promo-list li {
      background-color: var(--page-sodo66-text-light);
      border-left: 5px solid var(--page-sodo66-primary-color);
      padding: 15px 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      font-size: 1.1em;
      color: var(--page-sodo66-text-dark);
    }

    .page-sodo66-promo-list li strong {
      color: var(--page-sodo66-primary-color);
    }

    .page-sodo66-advantages-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      text-align: left;
    }

    .page-sodo66-advantages-list li {
      background-color: var(--page-sodo66-text-light);
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      gap: 15px;
      font-size: 1em;
      color: var(--page-sodo66-text-dark);
    }

    .page-sodo66-advantages-list li::before {
      content: '✔';
      color: var(--page-sodo66-accent-color);
      font-size: 1.5em;
      line-height: 1;
    }

    .page-sodo66-payment-grid {
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

    .page-sodo66-payment-card {
      padding: 10px;
    }

    .page-sodo66-payment-card img {
      max-width: 90px;
      height: auto;
      margin: 0;
    }

    .page-sodo66-faq-item {
      background-color: var(--page-sodo66-text-light);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      text-align: left;
    }

    .page-sodo66-faq-question {
      padding: 15px 20px;
      background-color: var(--page-sodo66-background-dark);
      color: var(--page-sodo66-text-light);
      font-weight: bold;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background-color 0.3s ease;
    }

    .page-sodo66-faq-question:hover {
      background-color: #34495E;
    }

    .page-sodo66-faq-question::after {
      content: '+';
      font-size: 1.5em;
      transition: transform 0.3s ease;
    }

    .page-sodo66-faq-question.active::after {
      content: '-';
      transform: rotate(180deg);
    }

    .page-sodo66-faq-answer {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease-out;
      color: var(--page-sodo66-text-dark);
      background-color: var(--page-sodo66-text-light);
    }

    .page-sodo66-faq-answer p {
      padding: 15px 0;
      margin: 0;
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-sodo66-hero-content h1 {
        font-size: 3.5em;
      }
      .page-sodo66-section h2 {
        font-size: 2.5em;
      }
      .page-sodo66-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
      .page-sodo66-promo-list {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      }
      .page-sodo66-floating-button {
        padding: 18px 30px;
        font-size: 1.3em;
        bottom: 30px;
        right: 30px;
      }
    }

    @media (min-width: 1024px) {
      .page-sodo66-hero-content {
        padding: 40px;
      }
      .page-sodo66-hero-image {
        max-height: 500px;
      }
      .page-sodo66-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      }
      .page-sodo66-game-provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
    }