/* CSS cho trang Hi88 */
    :root {
      --page-hi88-primary: #0056b3; /* Xanh đậm */
      --page-hi88-secondary: #ffc107; /* Vàng */
      --page-hi88-text-dark: #333;
      --page-hi88-text-light: #fff;
      --page-hi88-bg-light: #f8f9fa;
      --page-hi88-bg-dark: #212529;
      --page-hi88-border-color: #dee2e6;
    }

    .page-hi88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-hi88-text-dark);
      background-color: var(--page-hi88-bg-light);
      padding: 20px 0;
    }

    .page-hi88 .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-hi88 .hero-section {
      background-color: var(--page-hi88-primary);
      color: var(--page-hi88-text-light);
      padding: 60px 20px;
      text-align: center;
      border-radius: 8px;
      margin-bottom: 30px;
      position: relative;
      overflow: hidden;
    }

    .page-hi88 .hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('[GALLERY:background:hi88,banner,hero]');
      background-size: cover;
      background-position: center;
      opacity: 0.2;
      z-index: 0;
    }

    .page-hi88 .hero-content {
      position: relative;
      z-index: 1;
    }

    .page-hi88 .hero-section h1 {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-hi88-text-light);
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }
    @media (max-width: 768px) {
      .page-hi88 .hero-section h1 {
        font-size: 2em;
      }
    }

    .page-hi88 .hero-section p {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-hi88 .btn-primary {
      display: inline-block;
      background-color: var(--page-hi88-secondary);
      color: var(--page-hi88-primary);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-hi88 .btn-primary:hover {
      background-color: #e0a800; /* Darker yellow */
      transform: translateY(-2px);
    }

    .page-hi88 .section-title {
      font-size: 2.2em;
      color: var(--page-hi88-primary);
      text-align: center;
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-hi88 .section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-hi88-secondary);
      border-radius: 2px;
    }

    .page-hi88 .content-section {
      background-color: var(--page-hi88-text-light);
      padding: 40px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      margin-bottom: 30px;
    }

    .page-hi88 .content-section h2 {
      font-size: 1.8em;
      color: var(--page-hi88-primary);
      margin-bottom: 20px;
      border-left: 5px solid var(--page-hi88-secondary);
      padding-left: 15px;
    }
    .page-hi88 .content-section h3 {
      font-size: 1.5em;
      color: var(--page-hi88-primary);
      margin-top: 25px;
      margin-bottom: 15px;
    }

    .page-hi88 .feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-hi88 .feature-card {
      background-color: var(--page-hi88-bg-light);
      border: 1px solid var(--page-hi88-border-color);
      border-radius: 8px;
      padding: 25px;
      text-align: center;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-hi88 .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    }

    .page-hi88 .feature-card img {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      border-radius: 50%;
      object-fit: cover;
      border: 3px solid var(--page-hi88-secondary);
    }

    .page-hi88 .feature-card h3 {
      font-size: 1.3em;
      color: var(--page-hi88-primary);
      margin-bottom: 10px;
    }

    .page-hi88 .game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-hi88 .game-card {
      background-color: var(--page-hi88-bg-dark);
      color: var(--page-hi88-text-light);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      text-align: center;
      text-decoration: none;
    }
    .page-hi88 .game-card:hover {
      transform: translateY(-8px);
    }

    .page-hi88 .game-card img {
      width: 100%;
      height: 150px;
      object-fit: cover;
      display: block;
    }

    .page-hi88 .game-card h4 {
      font-size: 1.1em;
      padding: 15px 10px;
      margin: 0;
      color: var(--page-hi88-secondary);
    }

    .page-hi88 .cta-section {
      text-align: center;
      padding: 50px 20px;
      background-color: var(--page-hi88-primary);
      color: var(--page-hi88-text-light);
      border-radius: 8px;
      margin-top: 30px;
    }

    .page-hi88 .cta-section h2 {
      color: var(--page-hi88-secondary);
      font-size: 2.5em;
      margin-bottom: 20px;
    }

    .page-hi88 .cta-section p {
      font-size: 1.2em;
      margin-bottom: 30px;
    }

    .page-hi88 .faq-section .faq-item {
      margin-bottom: 15px;
      border-bottom: 1px solid var(--page-hi88-border-color);
      padding-bottom: 15px;
    }

    .page-hi88 .faq-section .faq-question {
      font-weight: bold;
      color: var(--page-hi88-primary);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.1em;
    }
    .page-hi88 .faq-section .faq-question::after {
      content: '+';
      font-size: 1.2em;
      margin-left: 10px;
    }
    .page-hi88 .faq-section .faq-question.active::after {
      content: '-';
    }

    .page-hi88 .faq-section .faq-answer {
      margin-top: 10px;
      padding-left: 20px;
      color: var(--page-hi88-text-dark);
      display: none;
    }

    .page-hi88 .floating-promo {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-hi88-secondary);
      color: var(--page-hi88-primary);
      padding: 10px 15px;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      text-decoration: none;
      font-weight: bold;
      display: flex;
      align-items: center;
      gap: 8px;
      z-index: 1000;
      transition: transform 0.3s ease, opacity 0.3s ease;
      opacity: 0;
      transform: translateY(20px);
    }
    .page-hi88 .floating-promo.show {
      opacity: 1;
      transform: translateY(0);
    }
    .page-hi88 .floating-promo:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }
    .page-hi88 .floating-promo svg {
      fill: var(--page-hi88-primary);
      width: 20px;
      height: 20px;
    }

    @media (max-width: 768px) {
      .page-hi88 .content-section {
        padding: 20px;
      }
      .page-hi88 .section-title {
        font-size: 1.8em;
      }
      .page-hi88 .content-section h2 {
        font-size: 1.5em;
      }
      .page-hi88 .feature-grid {
        grid-template-columns: 1fr;
      }
      .page-hi88 .game-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      }
      .page-hi88 .cta-section h2 {
        font-size: 1.8em;
      }
      .page-hi88 .floating-promo {
        bottom: 10px;
        right: 10px;
        padding: 8px 12px;
        font-size: 0.9em;
      }
    }