/* CSS Styles for u88 page */
    :root {
      --page-u88-primary-color: #FF5733; /* Cam rực rỡ cho các nút CTA */
      --page-u88-secondary-color: #007bff; /* Xanh dương cho các hành động phụ */
      --page-u88-text-color: #333333; /* Xám đậm cho văn bản chính */
      --page-u88-heading-color: #1a1a1a; /* Xám đen cho tiêu đề */
      --page-u88-background-light: #ffffff; /* Nền trắng */
      --page-u88-background-grey: #f8f9fa; /* Nền xám nhạt */
      --page-u88-border-color: #e0e0e0; /* Viền xám nhạt */
    }

    .page-u88 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-u88-text-color);
      background-color: var(--page-u88-background-light);
      padding: 20px 0;
    }

    .page-u88 .page-u88-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-u88 h1, .page-u88 h2, .page-u88 h3, .page-u88 h4 {
      color: var(--page-u88-heading-color);
      margin-bottom: 15px;
      line-height: 1.3;
    }

    .page-u88 h1 {
      font-size: 2.5em;
      text-align: center;
      margin-bottom: 25px;
      color: var(--page-u88-primary-color);
    }
    @media (max-width: 768px) {
      .page-u88 h1 {
        font-size: 2em;
      }
    }

    .page-u88 h2 {
      font-size: 2em;
      border-bottom: 2px solid var(--page-u88-border-color);
      padding-bottom: 10px;
      margin-top: 40px;
      margin-bottom: 20px;
    }
    @media (max-width: 768px) {
      .page-u88 h2 {
        font-size: 1.6em;
      }
    }

    .page-u88 h3 {
      font-size: 1.5em;
      margin-top: 30px;
      margin-bottom: 15px;
      color: var(--page-u88-secondary-color);
    }
    @media (max-width: 768px) {
      .page-u88 h3 {
        font-size: 1.3em;
      }
    }

    .page-u88 p {
      margin-bottom: 15px;
    }

    .page-u88 ul {
      list-style-type: disc;
      margin-left: 20px;
      margin-bottom: 15px;
    }

    .page-u88 ol {
      list-style-type: decimal;
      margin-left: 20px;
      margin-bottom: 15px;
    }

    .page-u88 li {
      margin-bottom: 8px;
    }

    .page-u88 .page-u88-button {
      display: inline-block;
      background-color: var(--page-u88-primary-color);
      color: #ffffff;
      padding: 12px 25px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      text-align: center;
      white-space: nowrap; /* Ngăn văn bản xuống dòng */
    }

    .page-u88 .page-u88-button:hover {
      background-color: #e64a2b; /* Cam đậm hơn một chút */
    }

    .page-u88 .page-u88-button-secondary {
      background-color: var(--page-u88-secondary-color);
      color: #ffffff;
    }

    .page-u88 .page-u88-button-secondary:hover {
      background-color: #0056b3; /* Xanh đậm hơn một chút */
    }

    /* Hero Section */
    .page-u88-hero {
      background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('[GALLERY:background:u88,hero,banner]') center center no-repeat;
      background-size: cover;
      color: #ffffff;
      padding: 80px 0;
      text-align: center;
      margin-bottom: 40px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-u88-hero h1 {
      color: #ffffff;
      font-size: 3.5em;
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }
    @media (max-width: 768px) {
      .page-u88-hero h1 {
        font-size: 2.5em;
      }
    }

    .page-u88-hero p {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 30px auto;
      line-height: 1.5;
    }

    .page-u88-hero .page-u88-button {
      font-size: 1.1em;
      padding: 15px 35px;
    }

    /* Section Styling */
    .page-u88-section {
      background-color: var(--page-u88-background-light);
      padding: 30px 0;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-u88-section.page-u88-grey-bg {
      background-color: var(--page-u88-background-grey);
    }

    /* USP Grid */
    .page-u88-usp-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-u88-usp-item {
      background-color: var(--page-u88-background-light);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      text-align: center;
      transition: transform 0.3s ease;
    }

    .page-u88-usp-item:hover {
      transform: translateY(-5px);
    }

    .page-u88-usp-item img {
      width: 60px;
      height: 60px;
      margin-bottom: 15px;
    }

    .page-u88-usp-item h3 {
      font-size: 1.3em;
      margin-top: 0;
      color: var(--page-u88-primary-color);
    }

    /* Game Categories */
    .page-u88-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-u88-game-card {
      background-color: var(--page-u88-background-light);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-u88-game-card:hover {
      transform: translateY(-7px);
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
    }

    .page-u88-game-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    .page-u88-game-card-content {
      padding: 20px;
    }

    .page-u88-game-card-content h3 {
      margin-top: 0;
      margin-bottom: 10px;
      font-size: 1.4em;
      color: var(--page-u88-heading-color);
    }

    .page-u88-game-card-content p {
      font-size: 0.95em;
      color: var(--page-u88-text-color);
      margin-bottom: 15px;
    }

    .page-u88-game-card-content .page-u88-button {
      width: 100%;
      box-sizing: border-box;
      padding: 10px 15px;
      font-size: 0.95em;
    }

    /* How-to Sections */
    .page-u88-step {
      display: flex;
      align-items: flex-start;
      margin-bottom: 25px;
    }

    .page-u88-step-icon {
      flex-shrink: 0;
      width: 40px;
      height: 40px;
      background-color: var(--page-u88-primary-color);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.2em;
      margin-right: 15px;
    }

    .page-u88-step-content h4 {
      margin-top: 0;
      margin-bottom: 5px;
      color: var(--page-u88-heading-color);
      font-size: 1.2em;
    }

    .page-u88-step-content p {
      margin-bottom: 0;
    }

    /* App Download Section */
    .page-u88-app-download {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 30px;
      margin-top: 30px;
      justify-content: center;
    }

    .page-u88-app-download .page-u88-qr-code {
      width: 180px;
      height: 180px;
      border: 5px solid var(--page-u88-primary-color);
      border-radius: 10px;
      overflow: hidden;
    }

    .page-u88-app-download .page-u88-qr-code img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .page-u88-app-links {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .page-u88-app-links .page-u88-button {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-width: 200px;
    }

    .page-u88-app-links .page-u88-button img {
      width: 24px;
      height: 24px;
    }

    /* FAQ Section */
    .page-u88-faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--page-u88-border-color);
      border-radius: 8px;
      overflow: hidden;
    }

    .page-u88-faq-question {
      background-color: var(--page-u88-background-grey);
      padding: 15px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: var(--page-u88-heading-color);
      transition: background-color 0.3s ease;
    }

    .page-u88-faq-question:hover {
      background-color: #e9ecef;
    }

    .page-u88-faq-question::after {
      content: '+';
      font-size: 1.5em;
      transition: transform 0.3s ease;
    }

    .page-u88-faq-question.active::after {
      content: '-';
      transform: rotate(180deg);
    }

    .page-u88-faq-answer {
      padding: 15px 20px;
      background-color: var(--page-u88-background-light);
      border-top: 1px solid var(--page-u88-border-color);
      display: none;
    }

    .page-u88-faq-answer p {
      margin-bottom: 0;
    }

    /* Floating Ad Menu */
    .page-u88-floating-ad {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-u88-primary-color);
      color: #ffffff;
      padding: 15px 20px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      display: flex;
      align-items: center;
      gap: 15px;
      animation: page-u88-pulse 2s infinite;
    }

    .page-u88-floating-ad .page-u88-button {
      background-color: #ffffff;
      color: var(--page-u88-primary-color);
      padding: 8px 15px;
      border-radius: 5px;
      font-size: 0.9em;
    }

    .page-u88-floating-ad .page-u88-button:hover {
      background-color: #f0f0f0;
    }

    @keyframes page-u88-pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.03); }
      100% { transform: scale(1); }
    }

    @media (max-width: 600px) {
      .page-u88-floating-ad {
        flex-direction: column;
        text-align: center;
        right: 10px;
        left: 10px;
        bottom: 10px;
        padding: 10px;
      }
      .page-u88-floating-ad p {
        margin-bottom: 10px;
      }
    }