:root {
      --primary-color: #e44d26; /* Một màu cam đỏ năng động */
      --secondary-color: #333;
      --accent-color: #f0ad4e; /* Màu vàng cam */
      --background-light: #f9f9f9;
      --background-dark: #222;
      --text-light: #fff;
      --text-dark: #333;
      --border-color: #eee;
      --shadow-color: rgba(0, 0, 0, 0.1);
      --button-hover-color: #c23b1a;
      --faq-border-color: #ddd;
    }

    /* Base styles for the page */
    .page-66-club {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-dark);
      background-color: var(--background-light);
      padding-top: 10px; /* Small padding, relying on body padding for header offset */
    }

    .page-66-club__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-66-club__section {
      padding: 40px 0;
      margin-bottom: 20px;
      text-align: center;
    }

    .page-66-club__section--dark {
      background-color: var(--background-dark);
      color: var(--text-light);
    }

    .page-66-club__heading {
      font-size: 2.5em;
      color: var(--primary-color);
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-66-club__heading--light {
      color: var(--text-light);
    }

    .page-66-club__subheading {
      font-size: 1.8em;
      color: var(--secondary-color);
      margin-bottom: 15px;
    }

    .page-66-club__subheading--light {
      color: var(--text-light);
    }

    .page-66-club__paragraph {
      font-size: 1.1em;
      margin-bottom: 20px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-66-club__paragraph--light {
      color: #ccc;
    }

    .page-66-club__button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      margin-top: 20px;
    }

    .page-66-club__button:hover {
      background-color: var(--button-hover-color);
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-66-club__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('[GALLERY:hero:1920x1080:online_casino,mobile_betting,vietnam_gaming]') no-repeat center center/cover;
      color: var(--text-light);
      padding: 100px 20px;
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 60vh;
      box-sizing: border-box;
    }

    .page-66-club__hero-title {
      font-size: 3.5em;
      margin-bottom: 15px;
      line-height: 1.2;
      color: var(--primary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-66-club__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      color: var(--text-light);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    /* Product Display Section */
    .page-66-club__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-66-club__product-item {
      background-color: var(--text-light);
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--shadow-color);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-66-club__product-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-66-club__product-image {
      width: 100%;
      height: 250px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-66-club__product-content {
      padding: 20px;
    }

    .page-66-club__product-title {
      font-size: 1.5em;
      color: var(--primary-color);
      margin-bottom: 10px;
    }

    .page-66-club__product-description {
      font-size: 0.95em;
      color: var(--secondary-color);
      margin-bottom: 15px;
    }

    /* Features Section */
    .page-66-club__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-66-club__feature-item {
      background-color: var(--text-light);
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--shadow-color);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-66-club__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-66-club__feature-icon {
      width: 100px;
      height: 100px;
      object-fit: contain;
      margin-bottom: 20px;
      max-width: 100%;
    }

    .page-66-club__feature-title {
      font-size: 1.3em;
      color: var(--primary-color);
      margin-bottom: 10px;
    }

    .page-66-club__feature-description {
      font-size: 0.95em;
      color: var(--secondary-color);
    }

    /* Call to Action Section */
    .page-66-club__cta-section {
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 60px 20px;
      text-align: center;
      border-radius: 10px;
      margin-top: 40px;
    }

    .page-66-club__cta-title {
      font-size: 2.2em;
      margin-bottom: 15px;
    }

    .page-66-club__cta-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* FAQ Section */
    .page-66-club__faq-section {
      background-color: var(--background-light);
      padding: 40px 0;
      text-align: center;
    }

    .page-66-club__faq-container {
      max-width: 800px;
      margin: 0 auto;
      text-align: left;
    }

    .page-66-club__faq-item {
      border: 1px solid var(--faq-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-66-club__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--text-light);
      cursor: pointer;
      font-weight: bold;
      color: var(--secondary-color);
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-66-club__faq-question h3 {
      margin: 0;
      font-size: 1.1em; /* Ensure h3 font size matches parent */
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click event on parent */
    }

    .page-66-club__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-66-club__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event on parent */
    }

    .page-66-club__faq-item.active .page-66-club__faq-toggle {
      transform: rotate(45deg); /* Plus sign rotates to form an X or minus */
    }

    .page-66-club__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Initial padding */
      background-color: #fdfdfd;
      color: var(--text-dark);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      box-sizing: border-box;
    }

    .page-66-club__faq-item.active .page-66-club__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain any content */
      padding: 20px !important; /* Expanded padding */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-66-club__container {
        padding: 15px;
      }

      .page-66-club__hero-section {
        padding: 80px 15px;
        min-height: 50vh;
      }

      .page-66-club__hero-title {
        font-size: 2.5em;
      }

      .page-66-club__hero-subtitle {
        font-size: 1.2em;
      }

      .page-66-club__heading {
        font-size: 2em;
      }

      .page-66-club__subheading {
        font-size: 1.5em;
      }

      .page-66-club__paragraph {
        font-size: 1em;
      }

      .page-66-club__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-66-club__product-grid,
      .page-66-club__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-66-club__product-item,
      .page-66-club__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-66-club__product-image {
        height: 200px;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-66-club__feature-icon {
        width: 80px;
        height: 80px;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-66-club__cta-title {
        font-size: 1.8em;
      }

      .page-66-club__cta-description {
        font-size: 1em;
      }

      .page-66-club__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-66-club__faq-question h3 {
        font-size: 1em;
      }

      .page-66-club__faq-answer {
        padding: 0 15px; /* Initial padding */
      }

      .page-66-club__faq-item.active .page-66-club__faq-answer {
        padding: 15px !important; /* Expanded padding */
      }
    }

    @media (max-width: 480px) {
      .page-66-club__hero-title {
        font-size: 2em;
      }

      .page-66-club__hero-subtitle {
        font-size: 1em;
      }

      .page-66-club__heading {
        font-size: 1.8em;
      }

      .page-66-club__button {
        padding: 10px 20px;
        font-size: 0.9em;
      }
    }

    /* Ensure images are always responsive */
    .page-66-club img {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      box-sizing: border-box;
    }
    @media (max-width: 768px) {
      .page-66-club img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }

    /* Word wrap for long text in lists/paragraphs */
    .page-66-club p,
    .page-66-club li,
    .page-66-club__product-description,
    .page-66-club__feature-description,
    .page-66-club__faq-answer {
      word-wrap: break-word;
      overflow-wrap: break-word;
    }