:root {
      --page-hello88-primary-color: #e44d26; /* Cam đậm */
      --page-hello88-secondary-color: #f7931e; /* Cam nhạt */
      --page-hello88-text-dark: #333333;
      --page-hello88-text-light: #ffffff;
      --page-hello88-bg-light: #f5f5f5;
      --page-hello88-bg-dark: #2c3e50; /* Xám xanh đậm */
      --page-hello88-accent-color: #007bff; /* Xanh dương */
      --page-hello88-border-radius: 8px;
    }

    .page-hello88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-hello88-text-dark);
      background-color: var(--page-hello88-bg-light);
    }

    .page-hello88__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-hello88-text-light);
      border-radius: var(--page-hello88-border-radius);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-hello88__section--dark {
      background-color: var(--page-hello88-bg-dark);
      color: var(--page-hello88-text-light);
      text-align: center;
    }

    .page-hello88__section-title {
      font-size: 2.5em;
      color: var(--page-hello88-primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-weight: bold;
    }

    .page-hello88__section-title--light {
      color: var(--page-hello88-text-light);
    }

    .page-hello88__section-subtitle {
      font-size: 1.8em;
      color: var(--page-hello88-accent-color);
      text-align: center;
      margin-bottom: 20px;
    }

    .page-hello88__text-center {
      text-align: center;
    }

    /* Hero Section */
    .page-hello88__hero-section {
      padding-top: 120px; /* For fixed header */
      position: relative;
      overflow: hidden;
      background-color: var(--page-hello88-bg-dark);
      color: var(--page-hello88-text-light);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      min-height: 500px;
    }

    .page-hello88__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-hello88__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: var(--page-hello88-border-radius);
    }

    .page-hello88__hero-content {
      position: relative;
      z-index: 1;
      padding: 0 20px 40px;
      max-width: 900px;
    }

    .page-hello88__hero-title {
      font-size: 3.5em;
      margin-bottom: 15px;
      color: var(--page-hello88-secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-hello88__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-hello88__cta-button {
      display: inline-block;
      background-color: var(--page-hello88-primary-color);
      color: var(--page-hello88-text-light);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    }

    .page-hello88__cta-button:hover {
      background-color: var(--page-hello88-secondary-color);
      transform: translateY(-3px);
    }

    /* Floating Login Button */
    .page-hello88__floating-login-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-hello88-accent-color);
      color: var(--page-hello88-text-light);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      transition: background-color 0.3s ease, transform 0.3s ease;
      animation: page-hello88__pulse 2s infinite;
    }

    .page-hello88__floating-login-button:hover {
      background-color: #0056b3;
      transform: scale(1.05);
    }

    @keyframes page-hello88__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Game Categories Section */
    .page-hello88__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-hello88__game-card {
      background-color: var(--page-hello88-bg-light);
      border-radius: var(--page-hello88-border-radius);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .page-hello88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    }

    .page-hello88__game-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-hello88__game-card-image {
      width: 100%;
      height: 200px; /* Fixed height for consistent cards */
      object-fit: cover;
      display: block;
    }

    .page-hello88__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-hello88__game-card-title {
      font-size: 1.5em;
      color: var(--page-hello88-primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-hello88__game-card-title a {
      text-decoration: none;
      color: var(--page-hello88-primary-color);
    }

    .page-hello88__game-card-title a:hover {
      color: var(--page-hello88-secondary-color);
    }

    .page-hello88__game-card-description {
      font-size: 0.95em;
      color: var(--page-hello88-text-dark);
      margin-bottom: 15px;
    }

    .page-hello88__game-card-button {
      display: inline-block;
      background-color: var(--page-hello88-accent-color);
      color: var(--page-hello88-text-light);
      padding: 10px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      margin-top: auto; /* Push button to bottom */
    }

    .page-hello88__game-card-button:hover {
      background-color: #0056b3;
    }

    /* Game Providers Section */
    .page-hello88__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      align-items: center;
      justify-items: center;
    }

    .page-hello88__provider-item {
      text-align: center;
      padding: 15px;
      background-color: var(--page-hello88-text-light);
      border-radius: var(--page-hello88-border-radius);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .page-hello88__provider-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .page-hello88__provider-logo-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 10px;
    }

    .page-hello88__provider-logo {
      max-width: 100%;
      height: 80px; /* Fixed height for logos */
      object-fit: contain;
      display: block;
      margin: 0 auto;
    }

    .page-hello88__provider-name {
      font-size: 1em;
      font-weight: bold;
      color: var(--page-hello88-text-dark);
    }

    /* Why Choose Section */
    .page-hello88__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-hello88__feature-card {
      background-color: var(--page-hello88-text-light);
      padding: 30px;
      border-radius: var(--page-hello88-border-radius);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-hello88__feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    }

    .page-hello88__feature-icon-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
    }

    .page-hello88__feature-icon {
      width: 100px;
      height: 100px;
      object-fit: contain;
      margin: 0 auto 15px;
      display: block;
    }

    .page-hello88__feature-title {
      font-size: 1.4em;
      color: var(--page-hello88-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-hello88__feature-description {
      font-size: 0.95em;
      color: var(--page-hello88-text-dark);
    }

    /* FAQ Section */
    .page-hello88__faq-list {
      margin-top: 30px;
    }

    .page-hello88__faq-item {
      background-color: var(--page-hello88-text-light);
      border: 1px solid #e0e0e0;
      border-radius: var(--page-hello88-border-radius);
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }

    .page-hello88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #f9f9f9;
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-hello88-text-dark);
      transition: background-color 0.3s ease;
    }

    .page-hello88__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-hello88__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-hello88__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      color: var(--page-hello88-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-hello88__faq-item.active .page-hello88__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-hello88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-hello88-text-dark);
      font-size: 0.95em;
    }

    .page-hello88__faq-item.active .page-hello88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show content */
      padding: 20px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-hello88__hero-section {
        padding-top: 100px; /* Adjust for mobile fixed header */
        min-height: 400px;
      }

      .page-hello88__hero-title {
        font-size: 2.5em;
      }

      .page-hello88__hero-description {
        font-size: 1em;
      }

      .page-hello88__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-hello88__section {
        padding: 30px 15px;
      }

      .page-hello88__section-title {
        font-size: 2em;
      }

      .page-hello88__section-subtitle {
        font-size: 1.5em;
      }

      .page-hello88__game-categories,
      .page-hello88__provider-grid,
      .page-hello88__feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-hello88__game-card-image {
        height: 180px;
      }

      .page-hello88__floating-login-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-hello88__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-hello88__faq-answer {
        padding: 0 15px;
      }

      .page-hello88__faq-item.active .page-hello88__faq-answer {
        padding: 15px !important;
      }
      
      /* Image responsive styles for mobile */
      .page-hello88__hero-image,
      .page-hello88__game-card-image,
      .page-hello88__provider-logo,
      .page-hello88__feature-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-hello88__hero-image-wrapper,
      .page-hello88__game-card-image-wrapper,
      .page-hello88__provider-logo-wrapper,
      .page-hello88__feature-icon-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }