:root {
      --page-topcasino-primary-color: #e44d26; /* Cam đậm */
      --page-topcasino-secondary-color: #f7931e; /* Cam sáng */
      --page-topcasino-accent-color: #4CAF50; /* Xanh lá cây */
      --page-topcasino-dark-bg: #1a1a1a; /* Nền tối */
      --page-topcasino-light-text: #ffffff; /* Chữ sáng */
      --page-topcasino-gray-text: #cccccc; /* Chữ xám */
      --page-topcasino-card-bg: #2a2a2a; /* Nền thẻ */
      --page-topcasino-border-color: #333333; /* Màu viền */
      --page-topcasino-button-hover: #ff6600; /* Hover nút */
    }

    .page-topcasino {
      font-family: 'Arial', sans-serif;
      color: var(--page-topcasino-light-text);
      background-color: var(--page-topcasino-dark-bg);
      line-height: 1.6;
      padding: 0;
      margin: 0;
      overflow-x: hidden; /* Prevent horizontal scroll */
    }

    .page-topcasino a {
      color: var(--page-topcasino-secondary-color);
      text-decoration: none;
    }

    .page-topcasino a:hover {
      text-decoration: underline;
      color: var(--page-topcasino-primary-color);
    }

    .page-topcasino h1, .page-topcasino h2, .page-topcasino h3 {
      color: var(--page-topcasino-light-text);
      text-align: center;
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-topcasino h1 {
      font-size: 2.2em;
      padding-top: 20px;
    }

    .page-topcasino h2 {
      font-size: 1.8em;
      border-bottom: 2px solid var(--page-topcasino-primary-color);
      display: inline-block;
      padding-bottom: 5px;
      margin-top: 40px;
    }

    .page-topcasino h3 {
      font-size: 1.4em;
      color: var(--page-topcasino-secondary-color);
    }

    .page-topcasino p {
      margin-bottom: 15px;
      color: var(--page-topcasino-gray-text);
    }

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

    .page-topcasino-banner {
      position: relative;
      width: 100%;
      background-color: #000;
      text-align: center;
      padding-bottom: 20px; /* Space for text below banner */
      overflow: hidden;
    }

    .page-topcasino-banner img {
      width: 100%;
      height: auto;
      max-height: 400px; /* Limit height for desktop */
      object-fit: cover;
      display: block;
      margin: 0 auto;
    }

    .page-topcasino-banner-text {
      padding: 15px 10px;
      background: linear-gradient(to bottom, rgba(0,0,0,0.6), rgba(0,0,0,0.8));
      color: var(--page-topcasino-light-text);
      font-size: 1.1em;
    }

    .page-topcasino-banner-text h1 {
      margin-top: 0;
      font-size: 1.8em; /* Adjusted for mobile */
      color: var(--page-topcasino-light-text);
    }

    .page-topcasino-banner-text p {
      font-size: 0.9em;
      color: var(--page-topcasino-gray-text);
    }

    .page-topcasino-floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-topcasino-accent-color);
      color: var(--page-topcasino-light-text);
      padding: 12px 20px;
      border-radius: 50px;
      text-align: center;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      animation: page-topcasino-pulse 2s infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      white-space: nowrap;
    }

    .page-topcasino-floating-button:hover {
      background-color: var(--page-topcasino-button-hover);
      transform: scale(1.05);
      animation: none;
    }

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

    .page-topcasino-section {
      padding: 30px 0;
      margin-bottom: 20px;
    }

    .page-topcasino-section:nth-of-type(odd) {
      background-color: #222222;
    }

    .page-topcasino-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-topcasino-card {
      background-color: var(--page-topcasino-card-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      text-align: center;
      padding-bottom: 20px;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .page-topcasino-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      border-bottom: 1px solid var(--page-topcasino-border-color);
    }

    .page-topcasino-card h3 {
      margin: 15px 10px 10px;
      color: var(--page-topcasino-secondary-color);
      font-size: 1.2em;
    }

    .page-topcasino-card p {
      font-size: 0.9em;
      color: var(--page-topcasino-gray-text);
      padding: 0 15px;
      flex-grow: 1;
    }

    .page-topcasino-card .page-topcasino-btn {
      display: inline-block;
      background-color: var(--page-topcasino-primary-color);
      color: var(--page-topcasino-light-text);
      padding: 10px 20px;
      border-radius: 5px;
      margin-top: 15px;
      transition: background-color 0.3s ease;
    }

    .page-topcasino-card .page-topcasino-btn:hover {
      background-color: var(--page-topcasino-button-hover);
      text-decoration: none;
    }

    .page-topcasino-game-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 15px;
      margin-top: 30px;
      text-align: center;
    }

    .page-topcasino-game-item {
      background-color: var(--page-topcasino-card-bg);
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      transition: transform 0.2s ease;
    }

    .page-topcasino-game-item:hover {
      transform: translateY(-3px);
    }

    .page-topcasino-game-item img {
      width: 80px;
      height: 80px;
      object-fit: contain;
      margin-bottom: 10px;
    }

    .page-topcasino-game-item p {
      margin: 0;
      font-weight: bold;
      color: var(--page-topcasino-light-text);
      font-size: 0.95em;
    }

    .page-topcasino-faq-item {
      background-color: var(--page-topcasino-card-bg);
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
    }

    .page-topcasino-faq-question {
      padding: 15px 20px;
      background-color: #333333;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: var(--page-topcasino-light-text);
      font-size: 1.1em;
      border-bottom: 1px solid var(--page-topcasino-border-color);
    }

    .page-topcasino-faq-question:hover {
      background-color: #444444;
    }

    .page-topcasino-faq-question span {
      transition: transform 0.3s ease;
    }

    .page-topcasino-faq-question.active span {
      transform: rotate(180deg);
    }

    .page-topcasino-faq-answer {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease-out;
      background-color: var(--page-topcasino-card-bg);
      color: var(--page-topcasino-gray-text);
    }

    .page-topcasino-faq-answer.active {
      max-height: 200px; /* Adjust as needed */
      padding: 15px 20px;
    }

    .page-topcasino-payment-providers,
    .page-topcasino-game-providers {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-topcasino-provider-item {
      background-color: var(--page-topcasino-card-bg);
      padding: 15px;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      width: 120px;
    }

    .page-topcasino-provider-item img {
      max-width: 80px;
      height: auto;
      margin-bottom: 5px;
      filter: grayscale(100%);
      transition: filter 0.3s ease;
    }

    .page-topcasino-provider-item:hover img {
      filter: grayscale(0%);
    }

    .page-topcasino-provider-item p {
      font-size: 0.85em;
      margin: 0;
      color: var(--page-topcasino-light-text);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-topcasino h1 {
        font-size: 1.8em;
      }
      .page-topcasino h2 {
        font-size: 1.5em;
      }
      .page-topcasino h3 {
        font-size: 1.1em;
      }
      .page-topcasino-floating-button {
        padding: 10px 15px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }
      .page-topcasino-grid {
        grid-template-columns: 1fr;
      }
      .page-topcasino-game-list {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-topcasino-provider-item {
        width: 100px;
        padding: 10px;
      }
      .page-topcasino-provider-item img {
        max-width: 60px;
      }
    }