:root {
      --page-bet66--primary-color: #007bff; /* Xanh dương */
      --page-bet66--secondary-color: #6c757d; /* Xám */
      --page-bet66--accent-color: #ffc107; /* Vàng */
      --page-bet66--text-color: #343a40; /* Đen xám */
      --page-bet66--background-color: #f8f9fa; /* Trắng xám */
      --page-bet66--light-bg: #ffffff; /* Trắng */
      --page-bet66--dark-bg: #212529; /* Đen */
      --page-bet66--border-color: #dee2e6; /* Xám nhạt */
    }

    .page-bet66 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-bet66--text-color);
      background-color: var(--page-bet66--background-color);
    }

    .page-bet66__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-bet66__section {
      padding: 60px 0;
      text-align: center;
      margin-bottom: 20px;
    }

    .page-bet66__section--light {
      background-color: var(--page-bet66--light-bg);
    }

    .page-bet66__section--dark {
      background-color: var(--page-bet66--dark-bg);
      color: #ffffff;
    }

    .page-bet66__section--dark h2,
    .page-bet66__section--dark h3,
    .page-bet66__section--dark p {
      color: #ffffff;
    }

    .page-bet66__hero-section {
      position: relative;
      padding-top: 120px; /* Space for fixed header */
      padding-bottom: 60px;
      background-color: #f0f2f5;
      overflow: hidden;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 500px;
    }

    .page-bet66__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 30px;
    }

    .page-bet66__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-bet66__hero-content {
      position: relative;
      z-index: 2;
      color: var(--page-bet66--dark-bg);
      padding: 0 20px;
    }

    .page-bet66__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      color: var(--page-bet66--primary-color);
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
    }

    .page-bet66__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      color: var(--page-bet66--text-color);
    }

    .page-bet66__button {
      display: inline-block;
      background-color: var(--page-bet66--primary-color);
      color: #ffffff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-bet66__button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-bet66__floating-login-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-bet66--accent-color);
      color: var(--page-bet66--dark-bg);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      font-size: 1.2em;
      text-align: center;
      white-space: nowrap;
    }

    .page-bet66__floating-login-btn:hover {
      background-color: #e0a800;
      transform: translateY(-3px) scale(1.05);
    }

    .page-bet66__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-bet66__card {
      background-color: var(--page-bet66--light-bg);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      padding: 25px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      min-height: 280px;
    }

    .page-bet66__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    }

    .page-bet66__card-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 20px;
      max-width: 100%;
      height: auto;
      border-radius: 50%;
      object-fit: cover;
    }

    .page-bet66__card-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        margin-bottom: 20px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .page-bet66__card-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .page-bet66__card-title {
      font-size: 1.5em;
      color: var(--page-bet66--primary-color);
      margin-bottom: 10px;
    }

    .page-bet66__card-text {
      font-size: 0.95em;
      color: var(--page-bet66--text-color);
    }

    .page-bet66__game-providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

    .page-bet66__provider-logo-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .page-bet66__provider-logo {
      width: 100%;
      height: auto;
      max-width: 200px; /* Ensure logos don't get too big */
      border-radius: 5px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease;
    }

    .page-bet66__provider-logo:hover {
      transform: scale(1.05);
    }

    .page-bet66__faq-section {
      text-align: left;
    }

    .page-bet66__faq-item {
      background-color: var(--page-bet66--light-bg);
      border: 1px solid var(--page-bet66--border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-bet66__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 25px;
      cursor: pointer;
      background-color: #e9ecef;
      color: var(--page-bet66--dark-bg);
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-bet66__faq-question h3 {
      margin: 0;
      color: var(--page-bet66--primary-color);
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-bet66__faq-question:hover {
      background-color: #dee2e6;
    }

    .page-bet66__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-bet66__faq-item.active .page-bet66__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-bet66__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: var(--page-bet66--text-color);
    }

    .page-bet66__faq-item.active .page-bet66__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-bet66__image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        margin-bottom: 20px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .page-bet66__content-image {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: 8px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    }

    .page-bet66__text-block {
      text-align: left;
      margin-bottom: 20px;
    }

    .page-bet66__text-block h2 {
      color: var(--page-bet66--primary-color);
      margin-bottom: 20px;
    }

    .page-bet66__text-block p {
      margin-bottom: 15px;
      color: var(--page-bet66--text-color);
    }

    .page-bet66__promo-card {
        background: linear-gradient(135deg, #007bff, #0056b3);
        color: #ffffff;
        padding: 30px;
        border-radius: 10px;
        margin-top: 40px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
    }

    .page-bet66__promo-card-title {
        font-size: 2.5em;
        margin-bottom: 15px;
        font-weight: bold;
        color: var(--page-bet66--accent-color);
        text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    }

    .page-bet66__promo-card-text {
        font-size: 1.3em;
        margin-bottom: 25px;
        max-width: 800px;
    }

    .page-bet66__promo-card .page-bet66__button {
        background-color: var(--page-bet66--accent-color);
        color: var(--page-bet66--dark-bg);
        padding: 15px 35px;
        font-size: 1.2em;
        border-radius: 50px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    }

    .page-bet66__promo-card .page-bet66__button:hover {
        background-color: #e0a800;
        transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-bet66__hero-section {
        padding-top: 100px; /* Adjust for mobile fixed header */
        min-height: 400px;
      }

      .page-bet66__hero-title {
        font-size: 2.2em;
      }

      .page-bet66__hero-subtitle {
        font-size: 1.2em;
      }

      .page-bet66__section {
        padding: 40px 0;
      }

      .page-bet66__grid {
        grid-template-columns: 1fr;
      }

      .page-bet66__card {
        padding: 20px;
        min-height: auto;
      }

      .page-bet66__floating-login-btn {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-bet66__faq-question {
        padding: 15px 20px;
        font-size: 1em;
      }

      .page-bet66__faq-question h3 {
        font-size: 1em;
      }

      .page-bet66__faq-answer {
        padding: 0 20px;
      }

      .page-bet66__faq-item.active .page-bet66__faq-answer {
        padding: 15px 20px !important;
      }

      .page-bet66__promo-card-title {
          font-size: 1.8em;
      }

      .page-bet66__promo-card-text {
          font-size: 1em;
      }

      .page-bet66__promo-card .page-bet66__button {
          padding: 12px 25px;
          font-size: 1em;
      }

      .page-bet66__hero-image-wrapper,
      .page-bet66__card-image-wrapper,
      .page-bet66__provider-logo-wrapper,
      .page-bet66__image-wrapper {
          width: 100% !important;
          max-width: 100% !important;
          box-sizing: border-box !important;
          overflow: hidden !important;
      }

      .page-bet66__hero-image,
      .page-bet66__card-image,
      .page-bet66__provider-logo,
      .page-bet66__content-image {
          max-width: 100% !important;
          height: auto !important;
          display: block !important;
      }
    }