:root {
      --page-tt88login-primary-color: #007bff;
      --page-tt88login-secondary-color: #6c757d;
      --page-tt88login-accent-color: #ffc107;
      --page-tt88login-dark-bg: #212529;
      --page-tt88login-light-bg: #f8f9fa;
      --page-tt88login-text-color: #343a40;
      --page-tt88login-white: #ffffff;
      --page-tt88login-shadow: rgba(0, 0, 0, 0.1);
      --page-tt88login-border-radius: 8px;
    }

    .page-tt88login {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-tt88login-text-color);
      background-color: var(--page-tt88login-light-bg);
      padding: 0;
      margin: 0;
      overflow-x: hidden;
    }

    .page-tt88login__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-tt88login__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-tt88login-white);
      border-radius: var(--page-tt88login-border-radius);
      box-shadow: 0 4px 8px var(--page-tt88login-shadow);
      text-align: center;
    }

    .page-tt88login__section--dark {
      background-color: var(--page-tt88login-dark-bg);
      color: var(--page-tt88login-white);
    }

    .page-tt88login__section-title {
      font-size: 2.5em;
      color: var(--page-tt88login-primary-color);
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-tt88login__section--dark .page-tt88login__section-title {
      color: var(--page-tt88login-accent-color);
    }

    .page-tt88login__section-subtitle {
      font-size: 1.2em;
      color: var(--page-tt88login-secondary-color);
      margin-bottom: 30px;
    }

    .page-tt88login__section--dark .page-tt88login__section-subtitle {
      color: var(--page-tt88login-light-bg);
    }

    /* Hero Section */
    .page-tt88login__hero-section {
      background: linear-gradient(135deg, #0056b3, #007bff);
      color: var(--page-tt88login-white);
      padding: 60px 20px 40px; /* Mobile padding-top to clear fixed header */
      text-align: center;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 300px;
    }

    .page-tt88login__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      border-radius: var(--page-tt88login-border-radius);
      margin-bottom: 20px;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }

    .page-tt88login__hero-title {
      font-size: 2.2em;
      margin-bottom: 15px;
      color: var(--page-tt88login-accent-color);
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-tt88login__hero-description {
      font-size: 1.1em;
      margin-bottom: 30px;
      max-width: 800px;
      opacity: 0.9;
    }

    .page-tt88login__btn {
      display: inline-block;
      background-color: var(--page-tt88login-accent-color);
      color: var(--page-tt88login-dark-bg);
      padding: 12px 25px;
      border-radius: 50px;
      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-tt88login__btn:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    .page-tt88login__btn--primary {
      background-color: var(--page-tt88login-primary-color);
      color: var(--page-tt88login-white);
    }

    .page-tt88login__btn--primary:hover {
      background-color: #0056b3;
    }

    /* Floating Login Button */
    .page-tt88login__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #dc3545; /* Red accent for urgency */
      color: var(--page-tt88login-white);
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      animation: page-tt88login-pulse 2s infinite;
      text-decoration: none;
      white-space: nowrap;
      display: block;
      max-width: 90%;
      box-sizing: border-box;
    }

    .page-tt88login__floating-button:hover {
      background-color: #c82333;
      animation: none;
    }

    @keyframes page-tt88login-pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    /* Game Categories */
    .page-tt88login__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-tt88login__game-card {
      background-color: var(--page-tt88login-light-bg);
      border-radius: var(--page-tt88login-border-radius);
      box-shadow: 0 2px 10px 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;
      justify-content: space-between;
    }

    .page-tt88login__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-tt88login__game-card-image {
      width: 100%;
      max-width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-tt88login__game-card-content {
      padding: 20px;
    }

    .page-tt88login__game-card-title {
      font-size: 1.5em;
      margin-bottom: 10px;
      color: var(--page-tt88login-primary-color);
      font-weight: bold;
    }

    .page-tt88login__game-card-description {
      font-size: 0.95em;
      color: var(--page-tt88login-secondary-color);
      margin-bottom: 15px;
    }

    /* How-to Guide */
    .page-tt88login__guide-step {
      display: flex;
      align-items: flex-start;
      margin-bottom: 30px;
      text-align: left;
      gap: 20px;
    }

    .page-tt88login__guide-step-number {
      font-size: 2em;
      font-weight: bold;
      color: var(--page-tt88login-accent-color);
      flex-shrink: 0;
      width: 40px;
      height: 40px;
      line-height: 40px;
      border-radius: 50%;
      background-color: var(--page-tt88login-primary-color);
      color: var(--page-tt88login-white);
      text-align: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-tt88login__guide-step-content {
      flex-grow: 1;
    }

    .page-tt88login__guide-step-title {
      font-size: 1.3em;
      color: var(--page-tt88login-primary-color);
      margin-top: 0;
      margin-bottom: 5px;
      font-weight: bold;
    }

    .page-tt88login__guide-step-text {
      font-size: 1em;
      color: var(--page-tt88login-text-color);
    }

    /* Promotions */
    .page-tt88login__promo-card {
      background-color: #fff3cd;
      border: 1px solid #ffeeba;
      border-radius: var(--page-tt88login-border-radius);
      padding: 25px;
      margin-bottom: 20px;
      text-align: center;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      color: #856404;
    }

    .page-tt88login__promo-title {
      font-size: 1.8em;
      color: #856404;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-tt88login__promo-description {
      font-size: 1.1em;
      margin-bottom: 20px;
    }

    /* App Download */
    .page-tt88login__app-download-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 30px;
    }

    .page-tt88login__app-image {
      width: 100%;
      max-width: 400px;
      height: auto;
      border-radius: var(--page-tt88login-border-radius);
      box-shadow: 0 4px 10px var(--page-tt88login-shadow);
    }

    .page-tt88login__app-buttons {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
    }

    .page-tt88login__app-btn {
      background-color: var(--page-tt88login-primary-color);
      color: var(--page-tt88login-white);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: none;
      cursor: pointer;
    }

    .page-tt88login__app-btn:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    /* FAQ Section */
    .page-tt88login__faq-section {
      text-align: left;
    }

    .page-tt88login__faq-item {
      background-color: var(--page-tt88login-white);
      border: 1px solid #e0e0e0;
      border-radius: var(--page-tt88login-border-radius);
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-tt88login__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #f2f2f2;
      border-bottom: 1px solid #e0e0e0;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-tt88login__faq-question:hover {
      background-color: #e6e6e6;
    }

    .page-tt88login__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-tt88login-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-tt88login__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-tt88login-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-tt88login__faq-item.active .page-tt88login__faq-toggle {
      transform: rotate(45deg);
    }

    .page-tt88login__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 0.3s ease;
      color: var(--page-tt88login-text-color);
    }

    .page-tt88login__faq-item.active .page-tt88login__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 20px !important;
      opacity: 1;
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-tt88login__hero-section {
        padding-top: 80px; /* Desktop padding-top to clear fixed header */
        min-height: 400px;
      }
      .page-tt88login__hero-title {
        font-size: 3.5em;
      }
      .page-tt88login__hero-description {
        font-size: 1.2em;
      }
      .page-tt88login__section-title {
        font-size: 3em;
      }
      .page-tt88login__game-card-image {
        height: 220px;
      }
      .page-tt88login__guide-step {
        align-items: center;
      }
      .page-tt88login__app-download-section {
        flex-direction: row;
        justify-content: center;
        text-align: left;
      }
      .page-tt88login__app-image {
        max-width: 500px;
      }
    }

    @media (max-width: 768px) {
      .page-tt88login__container {
        padding: 10px;
      }
      .page-tt88login__hero-title {
        font-size: 2em;
      }
      .page-tt88login__hero-description {
        font-size: 1em;
      }
      .page-tt88login__btn {
        padding: 10px 20px;
        font-size: 1em;
      }
      .page-tt88login__section {
        padding: 30px 15px;
      }
      .page-tt88login__section-title {
        font-size: 2em;
      }
      .page-tt88login__section-subtitle {
        font-size: 1em;
      }
      .page-tt88login__game-grid {
        grid-template-columns: 1fr;
      }
      .page-tt88login__guide-step {
        flex-direction: column;
        text-align: center;
        align-items: center;
      }
      .page-tt88login__guide-step-number {
        margin-bottom: 10px;
      }
      .page-tt88login__guide-step-title {
        font-size: 1.1em;
      }
      .page-tt88login__app-download-section {
        flex-direction: column;
      }
      .page-tt88login__app-image {
        max-width: 100%;
        height: auto;
      }
      .page-tt88login__app-buttons {
        flex-direction: column;
        width: 100%;
      }
      .page-tt88login__app-btn {
        width: 100%;
        box-sizing: border-box;
      }
      .page-tt88login__faq-question {
        padding: 12px 15px;
      }
      .page-tt88login__faq-question h3 {
        font-size: 1.1em;
      }
      .page-tt88login__faq-answer {
        padding: 0 15px;
      }
      .page-tt88login__faq-item.active .page-tt88login__faq-answer {
        padding: 15px 15px !important;
      }
      .page-tt88login__floating-button {
        font-size: 1.1em;
        padding: 12px 25px;
      }
      /* Ensure images are responsive */
      .page-tt88login img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
      }
      .page-tt88login__hero-image,
      .page-tt88login__game-card-image,
      .page-tt88login__app-image {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
      }
    }