:root {
      --page-tf88vi-primary-color: #e44d26; /* Orange-red */
      --page-tf88vi-secondary-color: #333;
      --page-tf88vi-accent-color: #007bff; /* Blue */
      --page-tf88vi-text-color: #333;
      --page-tf88vi-light-bg: #f8f9fa;
      --page-tf88vi-dark-bg: #212529;
      --page-tf88vi-white: #fff;
      --page-tf88vi-border-color: #dee2e6;
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-tf88vi-text-color);
      margin: 0;
      padding: 0;
      background-color: var(--page-tf88vi-light-bg);
      direction: ltr;
    }

    .page-tf88vi__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-tf88vi__section {
      padding: 60px 0;
      text-align: center;
    }

    .page-tf88vi__section--dark {
      background-color: var(--page-tf88vi-dark-bg);
      color: var(--page-tf88vi-white);
    }

    .page-tf88vi__section-title {
      font-size: 2.5em;
      margin-bottom: 30px;
      color: var(--page-tf88vi-secondary-color);
    }

    .page-tf88vi__section--dark .page-tf88vi__section-title {
      color: var(--page-tf88vi-white);
    }

    .page-tf88vi__button {
      display: inline-block;
      background-color: var(--page-tf88vi-primary-color);
      color: var(--page-tf88vi-white);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-tf88vi__button:hover {
      background-color: #ff6a40;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-tf88vi__hero-section {
      position: relative;
      background-color: #1a1a1a;
      color: var(--page-tf88vi-white);
      text-align: center;
      padding-top: 100px; /* Adjust for fixed header */
      padding-bottom: 80px;
      overflow: hidden;
    }

    .page-tf88vi__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.4;
      z-index: 0;
    }

    .page-tf88vi__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
    }

    .page-tf88vi__hero-title {
      font-size: 3em;
      margin-bottom: 20px;
      line-height: 1.2;
      color: var(--page-tf88vi-white);
    }

    .page-tf88vi__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 40px;
      font-weight: normal;
      color: #ccc;
    }

    /* Floating Login Button */
    .page-tf88vi__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #ffc107; /* Yellow accent */
      color: var(--page-tf88vi-dark-bg);
      padding: 12px 25px;
      border-radius: 50px;
      font-weight: bold;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      display: none; /* Hidden by default, shown for mobile */
      text-decoration: none;
      font-size: 1em;
      animation: page-tf88vi__pulse 2s infinite;
      border: none;
      cursor: pointer;
    }

    .page-tf88vi__floating-button:hover {
      background-color: #e0a800;
      transform: scale(1.05);
    }

    @keyframes page-tf88vi__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* About Section */
    .page-tf88vi__about-content {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 30px;
      text-align: left;
    }

    .page-tf88vi__about-text {
      flex: 1;
      min-width: 300px;
    }

    .page-tf88vi__about-image {
      flex: 1;
      min-width: 300px;
      text-align: center;
    }

    .page-tf88vi__about-image img {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    }

    /* Game Categories */
    .page-tf88vi__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-tf88vi__game-card {
      background-color: var(--page-tf88vi-white);
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .page-tf88vi__game-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    }

    .page-tf88vi__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

    .page-tf88vi__game-card-content {
      padding: 20px;
      flex-grow: 1;
    }

    .page-tf88vi__game-card-title {
      font-size: 1.5em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-tf88vi-primary-color);
    }

    .page-tf88vi__game-card-description {
      font-size: 0.95em;
      color: #555;
    }

    /* Promotions Section */
    .page-tf88vi__promo-card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-tf88vi__promo-card {
      background-color: var(--page-tf88vi-white);
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      padding: 30px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-tf88vi__promo-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    }

    .page-tf88vi__promo-card-icon {
      font-size: 3em;
      color: var(--page-tf88vi-primary-color);
      margin-bottom: 20px;
    }

    .page-tf88vi__promo-card-title {
      font-size: 1.8em;
      margin-bottom: 15px;
      color: var(--page-tf88vi-secondary-color);
    }

    .page-tf88vi__promo-card-description {
      font-size: 1em;
      color: #666;
      margin-bottom: 20px;
    }

    /* Guide Section */
    .page-tf88vi__guide-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 40px;
    }

    .page-tf88vi__guide-step {
      flex: 1;
      min-width: 280px;
      max-width: 350px;
      background-color: var(--page-tf88vi-white);
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      padding: 30px;
      text-align: center;
      position: relative;
    }

    .page-tf88vi__guide-step-number {
      position: absolute;
      top: -20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-tf88vi-primary-color);
      color: var(--page-tf88vi-white);
      width: 50px;
      height: 50px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 1.8em;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-tf88vi__guide-step-title {
      font-size: 1.5em;
      margin-top: 20px;
      margin-bottom: 15px;
      color: var(--page-tf88vi-secondary-color);
    }

    .page-tf88vi__guide-step-description {
      font-size: 1em;
      color: #666;
    }

    /* USP Section */
    .page-tf88vi__usp-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-tf88vi__usp-item {
      background-color: var(--page-tf88vi-white);
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      padding: 30px;
      text-align: left;
      display: flex;
      align-items: flex-start;
      gap: 20px;
    }

    .page-tf88vi__usp-icon {
      font-size: 2.5em;
      color: var(--page-tf88vi-primary-color);
      flex-shrink: 0;
    }

    .page-tf88vi__usp-content h3 {
      font-size: 1.5em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-tf88vi-secondary-color);
    }

    .page-tf88vi__usp-content p {
      font-size: 1em;
      color: #555;
    }

    /* FAQ Section */
    .page-tf88vi__faq-container {
      max-width: 800px;
      margin: 40px auto 0 auto;
      text-align: left;
    }

    .page-tf88vi__faq-item {
      background-color: var(--page-tf88vi-white);
      border: 1px solid var(--page-tf88vi-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .page-tf88vi__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #f0f0f0;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-tf88vi-secondary-color);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-tf88vi__faq-question:hover {
      background-color: #e9e9e9;
    }

    .page-tf88vi__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-tf88vi-secondary-color);
      pointer-events: none; /* Prevents text from blocking click event */
    }

    .page-tf88vi__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      color: var(--page-tf88vi-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevents icon from blocking click event */
    }

    .page-tf88vi__faq-item.active .page-tf88vi__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-tf88vi__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: var(--page-tf88vi-white);
      color: #555;
    }

    .page-tf88vi__faq-item.active .page-tf88vi__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-tf88vi__faq-answer p {
      margin: 0;
    }

    /* Call to Action Final */
    .page-tf88vi__cta-final {
      background-color: var(--page-tf88vi-primary-color);
      color: var(--page-tf88vi-white);
      padding: 50px 0;
      text-align: center;
    }

    .page-tf88vi__cta-final h2 {
      font-size: 2.2em;
      margin-bottom: 20px;
      color: var(--page-tf88vi-white);
    }

    .page-tf88vi__cta-final p {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Responsive adjustments */
    @media (max-width: 992px) {
      .page-tf88vi__hero-title {
        font-size: 2.5em;
      }
      .page-tf88vi__hero-subtitle {
        font-size: 1.3em;
      }
      .page-tf88vi__section-title {
        font-size: 2em;
      }
    }

    @media (max-width: 768px) {
      .page-tf88vi__hero-section {
        padding-top: 80px; /* Adjust for mobile fixed header */
        padding-bottom: 60px;
      }
      .page-tf88vi__hero-title {
        font-size: 2em;
      }
      .page-tf88vi__hero-subtitle {
        font-size: 1.1em;
      }
      .page-tf88vi__section {
        padding: 40px 0;
      }
      .page-tf88vi__section-title {
        font-size: 1.8em;
      }
      .page-tf88vi__about-content {
        flex-direction: column;
      }
      .page-tf88vi__about-text,
      .page-tf88vi__about-image {
        min-width: unset;
        width: 100%;
      }
      .page-tf88vi__floating-button {
        display: block; /* Show floating button on mobile */
        padding: 10px 20px;
        font-size: 0.9em;
        bottom: 15px;
        right: 15px;
      }
      .page-tf88vi__game-grid,
      .page-tf88vi__promo-card-grid,
      .page-tf88vi__guide-steps,
      .page-tf88vi__usp-grid {
        grid-template-columns: 1fr;
      }
      .page-tf88vi__guide-step {
        max-width: 100%;
      }
      .page-tf88vi__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }
      .page-tf88vi__faq-question h3 {
        font-size: 1em;
      }
      .page-tf88vi__faq-toggle {
        font-size: 1.3em;
      }
      .page-tf88vi__faq-answer {
        padding: 15px !important;
      }
      .page-tf88vi__cta-final h2 {
        font-size: 1.8em;
      }
      .page-tf88vi__cta-final p {
        font-size: 1em;
      }
    }

    /* Ensure all images are responsive */
    .page-tf88vi img {
      max-width: 100% !important;
      height: auto !important;
      display: block;
    }

    .page-tf88vi__image-wrapper {
      width: 100% !important;
      max-width: 100% !important;
      overflow: hidden !important;
      box-sizing: border-box !important;
    }

    @media (max-width: 768px) {
      .page-tf88vi img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-tf88vi__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
      }
    }