
    /* CSS cho trang FIVE88 */
    :root {
      --page-five88vip-primary-bg: #1a1a1a;
      --page-five88vip-secondary-bg: #2a2a2a;
      --page-five88vip-text-color: #f0f0f0;
      --page-five88vip-heading-color: #ffcc00;
      --page-five88vip-accent-color: #ffcc00;
      --page-five88vip-button-bg: linear-gradient(90deg, #ffcc00, #ffa500);
      --page-five88vip-button-text: #1a1a1a;
      --page-five88vip-link-color: #00aaff;
      --page-five88vip-border-color: #3a3a3a;
    }

    .page-five88vip {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-five88vip-primary-bg);
      color: var(--page-five88vip-text-color);
      line-height: 1.6;
      padding-bottom: 80px; /* Đảm bảo không bị che bởi nút nổi */
    }

    .page-five88vip .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 15px;
    }

    .page-five88vip .hero-banner {
      position: relative;
      width: 100%;
      height: 250px; /* Chiều cao cố định cho di động */
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      overflow: hidden;
      margin-bottom: 20px;
    }

    .page-five88vip .hero-banner img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
    }

    .page-five88vip .hero-content {
      position: relative;
      z-index: 1;
      background: rgba(0, 0, 0, 0.6);
      padding: 15px 20px;
      border-radius: 10px;
      max-width: 90%;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-five88vip .hero-content h1 {
      color: var(--page-five88vip-heading-color);
      font-size: 2.2em;
      margin-bottom: 10px;
      line-height: 1.2;
    }

    .page-five88vip .hero-content p {
      font-size: 1.1em;
      color: var(--page-five88vip-text-color);
      margin-bottom: 20px;
    }

    .page-five88vip .btn-primary {
      display: inline-block;
      background: var(--page-five88vip-button-bg);
      color: var(--page-five88vip-button-text);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: all 0.3s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-five88vip .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    }

    .page-five88vip .section {
      padding: 30px 0;
      background-color: var(--page-five88vip-secondary-bg);
      border-radius: 10px;
      margin-bottom: 20px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .page-five88vip .section:nth-of-type(even) {
      background-color: var(--page-five88vip-primary-bg);
    }

    .page-five88vip h2 {
      color: var(--page-five88vip-heading-color);
      font-size: 2em;
      text-align: center;
      margin-bottom: 25px;
      position: relative;
      padding-bottom: 10px;
    }
    
    .page-five88vip h2::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--page-five88vip-accent-color);
      border-radius: 2px;
    }

    .page-five88vip h3 {
      color: var(--page-five88vip-heading-color);
      font-size: 1.5em;
      margin-bottom: 15px;
      text-align: center;
    }

    .page-five88vip p {
      margin-bottom: 15px;
      text-align: justify;
    }

    .page-five88vip .game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }

    .page-five88vip .game-card {
      background-color: var(--page-five88vip-primary-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease;
      border: 1px solid var(--page-five88vip-border-color);
    }

    .page-five88vip .game-card:hover {
      transform: translateY(-5px);
    }

    .page-five88vip .game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
    }

    .page-five88vip .game-card .game-title {
      padding: 10px;
      font-weight: bold;
      color: var(--page-five88vip-text-color);
      font-size: 1.1em;
    }
    
    .page-five88vip .game-card .game-title a {
        color: var(--page-five88vip-text-color);
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .page-five88vip .game-card .game-title a:hover {
        color: var(--page-five88vip-accent-color);
    }

    .page-five88vip .advantage-list {
      list-style: none;
      padding: 0;
      margin: 20px 0;
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
    }

    .page-five88vip .advantage-list li {
      background-color: var(--page-five88vip-primary-bg);
      padding: 15px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      border-left: 5px solid var(--page-five88vip-accent-color);
    }

    .page-five88vip .advantage-list li strong {
      color: var(--page-five88vip-heading-color);
    }

    .page-five88vip .advantage-list li::before {
      content: '✓';
      color: var(--page-five88vip-accent-color);
      font-weight: bold;
      font-size: 1.2em;
      margin-right: 5px;
    }

    .page-five88vip .floating-promo-btn {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      background: var(--page-five88vip-button-bg);
      color: var(--page-five88vip-button-text);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      text-align: center;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
      animation: pulse 2s infinite;
      white-space: nowrap; /* Ngăn nút xuống dòng */
    }

    .page-five88vip .floating-promo-btn:hover {
      animation: none;
      transform: translateX(-50%) translateY(-3px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

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

    .page-five88vip .payment-providers,
    .page-five88vip .game-providers,
    .page-five88vip .social-media-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      margin-top: 20px;
    }

    .page-five88vip .payment-providers img,
    .page-five88vip .game-providers img,
    .page-five88vip .social-media-links img {
      height: 40px;
      width: auto;
      object-fit: contain;
      filter: grayscale(80%) brightness(150%);
      transition: filter 0.3s ease;
    }
    
    .page-five88vip .social-media-links a img:hover {
        filter: grayscale(0%) brightness(100%);
    }

    .page-five88vip .payment-providers img:hover,
    .page-five88vip .game-providers img:hover {
      filter: grayscale(0%) brightness(100%);
    }

    .page-five88vip .faq-item {
      background-color: var(--page-five88vip-primary-bg);
      border: 1px solid var(--page-five88vip-border-color);
      border-radius: 8px;
      margin-bottom: 10px;
      overflow: hidden;
    }

    .page-five88vip .faq-question {
      padding: 15px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: var(--page-five88vip-heading-color);
      font-size: 1.1em;
    }

    .page-five88vip .faq-question::after {
      content: '+';
      font-size: 1.5em;
      transition: transform 0.3s ease;
    }

    .page-five88vip .faq-question.active::after {
      content: '-';
      transform: rotate(180deg);
    }

    .page-five88vip .faq-answer {
      padding: 0 15px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease-out;
      color: var(--page-five88vip-text-color);
    }

    .page-five88vip .faq-answer p {
      padding-bottom: 15px;
      margin-bottom: 0;
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-five88vip .hero-banner {
        height: 350px;
      }
      .page-five88vip .hero-content h1 {
        font-size: 3em;
      }
      .page-five88vip .hero-content p {
        font-size: 1.2em;
      }
      .page-five88vip h2 {
        font-size: 2.5em;
      }
      .page-five88vip .game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }
      .page-five88vip .advantage-list {
        grid-template-columns: repeat(2, 1fr);
      }
      .page-five88vip .floating-promo-btn {
        font-size: 1.3em;
        padding: 18px 40px;
      }
    }

    @media (min-width: 1024px) {
      .page-five88vip .hero-banner {
        height: 450px;
      }
      .page-five88vip .hero-content h1 {
        font-size: 3.5em;
      }
      .page-five88vip .game-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
      .page-five88vip .advantage-list {
        grid-template-columns: repeat(3, 1fr);
      }
    }
  