:root {
      --page-tobet201__primary-color: #ffcc00; /* Vàng */
      --page-tobet201__secondary-color: #ffffff; /* Trắng */
      --page-tobet201__background-color: #000000; /* Đen */
      --page-tobet201__text-color-light: #ffffff;
      --page-tobet201__text-color-dark: #333333;
      --page-tobet201__button-bg: #ffcc00;
      --page-tobet201__button-text: #000000;
      --page-tobet201__border-color: #333333;
    }

    .page-tobet201 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-tobet201__background-color);
      color: var(--page-tobet201__text-color-light);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-tobet201__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      border-bottom: 1px solid var(--page-tobet201__border-color);
    }

    .page-tobet201__section:last-of-type {
      border-bottom: none;
      margin-bottom: 0;
    }

    .page-tobet201__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-tobet201__heading {
      color: var(--page-tobet201__primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-tobet201__sub-heading {
      color: var(--page-tobet201__secondary-color);
      text-align: center;
      margin-bottom: 20px;
      font-size: 1.8em;
    }

    /* Hero Section */
    .page-tobet201__hero-section {
      text-align: center;
      padding-top: 150px; /* Safety zone for fixed header */
      padding-bottom: 40px;
      background-color: var(--page-tobet201__background-color);
    }

    .page-tobet201__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto 20px auto;
      border-radius: 8px;
      box-shadow: 0 0 15px rgba(255, 204, 0, 0.5);
      min-width: 300px; /* Minimum size */
      min-height: 200px; /* Minimum size */
    }

    .page-tobet201__hero-title {
      font-size: 3em;
      color: var(--page-tobet201__primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-tobet201__hero-description {
      font-size: 1.2em;
      color: var(--page-tobet201__text-color-light);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-tobet201__cta-button {
      display: inline-block;
      background-color: var(--page-tobet201__button-bg);
      color: var(--page-tobet201__button-text);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-tobet201__cta-button:hover {
      background-color: #ffd733;
      transform: translateY(-3px);
    }

    /* Game Categories Section */
    .page-tobet201__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-tobet201__game-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      padding: 20px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-tobet201__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(255, 204, 0, 0.5);
    }

    .page-tobet201__game-image {
      width: 100%;
      height: 180px; /* Fixed height for consistency */
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
      min-width: 200px; /* Minimum size */
      min-height: 150px; /* Minimum size */
      max-width: 100%;
    }

    .page-tobet201__game-title {
      color: var(--page-tobet201__primary-color);
      font-size: 1.4em;
      margin-bottom: 10px;
    }

    .page-tobet201__game-description {
      color: var(--page-tobet201__text-color-light);
      font-size: 0.95em;
    }

    /* Promotions Section */
    .page-tobet201__promo-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-tobet201__promo-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .page-tobet201__promo-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(255, 204, 0, 0.5);
    }

    .page-tobet201__promo-icon {
      width: 80px; /* Larger icon size for content, not tiny */
      height: 80px;
      margin-bottom: 15px;
      min-width: 80px; /* Ensure it's not too small */
      min-height: 80px; /* Ensure it's not too small */
      max-width: 100%;
      height: auto;
    }

    .page-tobet201__promo-title {
      color: var(--page-tobet201__primary-color);
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-tobet201__promo-description {
      color: var(--page-tobet201__text-color-light);
      font-size: 0.95em;
    }

    /* Why Choose Us Section */
    .page-tobet201__feature-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-tobet201__feature-item {
      background-color: #1a1a1a;
      border-left: 5px solid var(--page-tobet201__primary-color);
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      box-sizing: border-box;
    }

    .page-tobet201__feature-title {
      color: var(--page-tobet201__primary-color);
      font-size: 1.2em;
      margin-bottom: 10px;
    }

    .page-tobet201__feature-description {
      color: var(--page-tobet201__text-color-light);
      font-size: 0.9em;
    }

    /* Login Guide Section */
    .page-tobet201__guide-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 30px;
    }

    .page-tobet201__guide-step {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 25px;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      flex: 1;
      min-width: 280px;
      max-width: 350px;
      box-sizing: border-box;
    }

    .page-tobet201__step-number {
      background-color: var(--page-tobet201__primary-color);
      color: var(--page-tobet201__button-text);
      width: 50px;
      height: 50px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 1.5em;
      font-weight: bold;
      margin: 0 auto 20px auto;
    }

    .page-tobet201__step-title {
      color: var(--page-tobet201__primary-color);
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-tobet201__step-description {
      color: var(--page-tobet201__text-color-light);
      font-size: 0.95em;
    }

    .page-tobet201__step-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-top: 15px;
      min-width: 200px;
      min-height: 150px;
    }

    /* FAQ Section */
    .page-tobet201__faq-list {
      margin-top: 30px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-tobet201__faq-item {
      background-color: #1a1a1a;
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-tobet201__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 25px;
      background-color: #222222;
      color: var(--page-tobet201__primary-color);
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-tobet201__faq-question:hover {
      background-color: #333333;
    }

    .page-tobet201__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-tobet201__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-tobet201__secondary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-tobet201__faq-item.active .page-tobet201__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar, or just to - */
    }

    .page-tobet201__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: var(--page-tobet201__text-color-light);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-tobet201__faq-item.active .page-tobet201__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* General image styling */
    .page-tobet201 img {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      min-width: 200px;
      min-height: 150px;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-tobet201__hero-section {
        padding-top: 150px; /* Maintain safety zone on mobile */
      }

      .page-tobet201__hero-title {
        font-size: 2.2em;
      }

      .page-tobet201__hero-description {
        font-size: 1em;
      }

      .page-tobet201__heading {
        font-size: 2em;
      }

      .page-tobet201__sub-heading {
        font-size: 1.5em;
      }

      .page-tobet201__section {
        padding: 30px 15px;
      }

      .page-tobet201__game-grid,
      .page-tobet201__promo-list,
      .page-tobet201__feature-list {
        grid-template-columns: 1fr;
      }

      /* List item specific responsive styles */
      .page-tobet201__game-item,
      .page-tobet201__promo-item,
      .page-tobet201__feature-item,
      .page-tobet201__guide-step {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-tobet201__game-grid,
      .page-tobet201__promo-list,
      .page-tobet201__feature-list,
      .page-tobet201__guide-steps,
      .page-tobet201__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-tobet201__faq-question {
        padding: 15px 20px;
        font-size: 1em;
      }

      .page-tobet201__faq-answer {
        padding: 0 20px;
      }

      .page-tobet201__faq-item.active .page-tobet201__faq-answer {
        padding: 15px 20px !important;
      }

      .page-tobet201 img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
      }
    }