:root {
      --page-tc-88-primary-color: #e44d26; /* Cam đỏ */
      --page-tc-88-secondary-color: #333; /* Xám đậm */
      --page-tc-88-accent-color: #f7b731; /* Vàng cam */
      --page-tc-88-background-light: #f4f4f4; /* Nền sáng */
      --page-tc-88-background-dark: #2a2a2a; /* Nền tối */
      --page-tc-88-text-light: #fff; /* Chữ sáng */
      --page-tc-88-text-dark: #333; /* Chữ tối */
      --page-tc-88-border-radius: 8px;
      --page-tc-88-padding-section: 40px 20px;
      --page-tc-88-transition-speed: 0.3s ease;
    }

    .page-tc-88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-tc-88-text-dark);
      background-color: var(--page-tc-88-background-light);
    }

    /* Fixed header offset handling - small padding for aesthetic */
    .page-tc-88__hero-section {
        padding-top: 10px; /* Small decorative padding, main offset from body is assumed */
    }

    .page-tc-88__section {
      padding: var(--page-tc-88-padding-section);
      margin-bottom: 20px;
      background-color: #fff;
      border-radius: var(--page-tc-88-border-radius);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      text-align: center;
    }

    .page-tc-88__section--dark {
      background-color: var(--page-tc-88-background-dark);
      color: var(--page-tc-88-text-light);
    }

    .page-tc-88__section--dark h2,
    .page-tc-88__section--dark h3,
    .page-tc-88__section--dark p {
      color: var(--page-tc-88-text-light);
    }

    .page-tc-88__heading {
      font-size: 2.5em;
      color: var(--page-tc-88-primary-color);
      margin-bottom: 20px;
      text-align: center;
    }

    .page-tc-88__sub-heading {
      font-size: 1.8em;
      color: var(--page-tc-88-secondary-color);
      margin-bottom: 15px;
      text-align: center;
    }

    .page-tc-88__text {
      font-size: 1.1em;
      margin-bottom: 15px;
    }

    .page-tc-88__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-tc-88-primary-color);
      color: var(--page-tc-88-text-light);
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color var(--page-tc-88-transition-speed);
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-tc-88__button:hover {
      background-color: #c23d1d;
    }

    /* Hero Section */
    .page-tc-88__hero-section {
      background: linear-gradient(135deg, var(--page-tc-88-primary-color), var(--page-tc-88-accent-color));
      color: var(--page-tc-88-text-light);
      padding: 60px 20px;
      text-align: center;
      margin-bottom: 20px;
      border-radius: var(--page-tc-88-border-radius);
    }

    .page-tc-88__hero-title {
      font-size: 3.5em;
      margin-bottom: 15px;
      line-height: 1.2;
      font-weight: 700;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }

    .page-tc-88__hero-description {
      font-size: 1.4em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Floating Buttons */
    .page-tc-88__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-tc-88__floating-button {
      padding: 10px 20px;
      border-radius: 50px;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.2s ease, background-color var(--page-tc-88-transition-speed);
      border: none;
      cursor: pointer;
      font-size: 1em;
      color: var(--page-tc-88-text-light);
    }

    .page-tc-88__floating-button:hover {
      transform: translateY(-3px);
    }

    .page-tc-88__floating-button--register {
      background-color: var(--page-tc-88-primary-color);
    }

    .page-tc-88__floating-button--register:hover {
      background-color: #c23d1d;
    }

    .page-tc-88__floating-button--login {
      background-color: var(--page-tc-88-secondary-color);
    }

    .page-tc-88__floating-button--login:hover {
      background-color: #555;
    }

    /* Game Categories */
    .page-tc-88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-tc-88__game-card {
      background-color: #fff;
      border-radius: var(--page-tc-88-border-radius);
      box-shadow: 0 4px 15px 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-tc-88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-tc-88__game-card-image-wrapper {
      width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-tc-88__game-card-image {
      width: 100%;
      height: 250px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      transition: transform 0.3s ease;
    }

    .page-tc-88__game-card:hover .page-tc-88__game-card-image {
      transform: scale(1.05);
    }

    .page-tc-88__game-card-content {
      padding: 20px;
    }

    .page-tc-88__game-card-title {
      font-size: 1.5em;
      color: var(--page-tc-88-primary-color);
      margin-bottom: 10px;
    }

    .page-tc-88__game-card-description {
      font-size: 0.95em;
      color: var(--page-tc-88-secondary-color);
      margin-bottom: 15px;
    }

    /* Promotions */
    .page-tc-88__promo-item {
      display: flex;
      align-items: center;
      background-color: var(--page-tc-88-background-dark);
      color: var(--page-tc-88-text-light);
      border-radius: var(--page-tc-88-border-radius);
      margin-bottom: 20px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      text-align: left;
    }

    .page-tc-88__promo-image-wrapper {
      flex: 0 0 300px;
      height: 200px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-tc-88__promo-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%;
    }

    .page-tc-88__promo-content {
      padding: 20px 30px;
      flex-grow: 1;
    }

    .page-tc-88__promo-title {
      font-size: 1.8em;
      color: var(--page-tc-88-accent-color);
      margin-bottom: 10px;
    }

    .page-tc-88__promo-description {
      font-size: 1.1em;
      margin-bottom: 15px;
    }

    .page-tc-88__promo-button {
      background-color: var(--page-tc-88-accent-color);
      color: var(--page-tc-88-background-dark);
      padding: 10px 20px;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color var(--page-tc-88-transition-speed);
      border: none;
      cursor: pointer;
    }

    .page-tc-88__promo-button:hover {
      background-color: #e6a220;
    }

    /* News Section */
    .page-tc-88__news-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-tc-88__news-card {
      background-color: #fff;
      border-radius: var(--page-tc-88-border-radius);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-tc-88__news-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-tc-88__news-image-wrapper {
      width: 100%;
      height: 200px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-tc-88__news-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%;
    }

    .page-tc-88__news-content {
      padding: 20px;
    }

    .page-tc-88__news-title {
      font-size: 1.4em;
      color: var(--page-tc-88-primary-color);
      margin-bottom: 10px;
      word-wrap: break-word; /* Ensure long titles break */
    }

    .page-tc-88__news-date {
      font-size: 0.9em;
      color: #777;
      margin-bottom: 10px;
    }

    .page-tc-88__news-excerpt {
      font-size: 1em;
      color: var(--page-tc-88-secondary-color);
      margin-bottom: 15px;
    }

    /* Payment and Provider Logos */
    .page-tc-88__logo-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 30px;
    }

    .page-tc-88__logo-item {
      flex: 0 0 auto;
      width: 120px;
      height: 80px;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #f9f9f9;
      border-radius: var(--page-tc-88-border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
      padding: 10px;
      box-sizing: border-box;
    }

    .page-tc-88__logo-image {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      display: block;
    }

    /* FAQ Section */
    .page-tc-88__faq-list {
      margin-top: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      text-align: left;
    }

    .page-tc-88__faq-item {
      background-color: #fff;
      border: 1px solid #ddd;
      border-radius: var(--page-tc-88-border-radius);
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-tc-88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-tc-88-primary-color);
      color: var(--page-tc-88-text-light);
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color var(--page-tc-88-transition-speed);
    }

    .page-tc-88__faq-question h3 {
      margin: 0;
      color: var(--page-tc-88-text-light);
      pointer-events: none; /* Prevents text selection from interfering with click */
    }

    .page-tc-88__faq-question:hover {
      background-color: #c23d1d;
    }

    .page-tc-88__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      pointer-events: none; /* Prevents icon from interfering with click */
    }

    .page-tc-88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: #fcfcfc;
      color: var(--page-tc-88-secondary-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 1em;
    }

    .page-tc-88__faq-answer p {
      margin-top: 15px;
      margin-bottom: 15px;
      word-wrap: break-word; /* Ensure text breaks within answer */
    }

    .page-tc-88__faq-item.active .page-tc-88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px !important;
      opacity: 1;
    }

    .page-tc-88__faq-item.active .page-tc-88__faq-toggle {
      content: '−'; /* Change to minus sign */
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
      .page-tc-88__hero-title {
        font-size: 3em;
      }
      .page-tc-88__hero-description {
        font-size: 1.2em;
      }
      .page-tc-88__promo-item {
        flex-direction: column;
      }
      .page-tc-88__promo-image-wrapper {
        width: 100%;
        height: 250px;
      }
      .page-tc-88__promo-content {
        padding: 20px;
      }
      .page-tc-88__promo-title {
        font-size: 1.5em;
      }
    }

    @media (max-width: 768px) {
      .page-tc-88__hero-title {
        font-size: 2.5em;
      }
      .page-tc-88__hero-description {
        font-size: 1em;
      }
      .page-tc-88__heading {
        font-size: 2em;
      }
      .page-tc-88__sub-heading {
        font-size: 1.5em;
      }
      .page-tc-88__game-grid,
      .page-tc-88__news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .page-tc-88__promo-item {
        margin-bottom: 15px;
      }
      .page-tc-88__promo-image-wrapper {
        height: 200px;
      }
      .page-tc-88__promo-title {
        font-size: 1.3em;
      }
      .page-tc-88__promo-description {
        font-size: 1em;
      }
      .page-tc-88__news-title {
        font-size: 1.2em;
      }
      .page-tc-88__faq-list {
        padding: 0 10px;
      }
      .page-tc-88__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }
      .page-tc-88__faq-answer {
        padding: 0 15px;
      }
      .page-tc-88__faq-item.active .page-tc-88__faq-answer {
        padding: 15px !important;
      }
      .page-tc-88__floating-buttons {
        right: 10px;
        bottom: 10px;
      }
      .page-tc-88__floating-button {
        padding: 8px 15px;
        font-size: 0.9em;
      }

      /* Image responsive for mobile */
      .page-tc-88 img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-tc-88__game-card-image-wrapper,
      .page-tc-88__promo-image-wrapper,
      .page-tc-88__news-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-tc-88__hero-title {
        font-size: 2em;
      }
      .page-tc-88__hero-description {
        font-size: 0.9em;
      }
      .page-tc-88__heading {
        font-size: 1.8em;
      }
      .page-tc-88__sub-heading {
        font-size: 1.3em;
      }
      .page-tc-88__section {
        padding: 30px 15px;
      }
      .page-tc-88__promo-image-wrapper {
        height: 150px;
      }
      .page-tc-88__promo-title {
        font-size: 1.2em;
      }
      .page-tc-88__promo-description {
        font-size: 0.9em;
      }
      .page-tc-88__game-card-image {
        height: 200px;
      }
      .page-tc-88__logo-item {
        width: 100px;
        height: 70px;
      }
    }