:root {
      --primary-color: #007bff; /* A vibrant blue for primary actions/highlights */
      --secondary-color: #6c757d; /* A muted grey for secondary elements */
      --accent-color: #ffc107; /* A bright yellow for alerts/emphasis */
      --background-dark: #1a1a1a; /* Dark background for casino theme */
      --background-light: #2c2c2c; /* Slightly lighter dark for sections */
      --text-color-light: #f8f9fa; /* Light text for dark backgrounds */
      --text-color-muted: #adb5bd; /* Muted text for secondary info */
      --border-color: #444; /* Border color for elements */
      --spacing-unit: 1rem;
      --border-radius: 8px;
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-color-light);
      background-color: var(--background-dark);
      margin: 0;
      padding: 0;
      overflow-x: hidden; /* Prevent horizontal scroll */
    }

    /* Base styles for the page content wrapper */
    .page-8k8-member-center {
      max-width: 1200px;
      margin: 0 auto;
      padding: 10px var(--spacing-unit); /* 10px for top gap, assuming body padding-top handles header */
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-8k8-member-center__hero-section {
      background: linear-gradient(135deg, var(--background-dark) 0%, #0a0a0a 100%);
      padding: 60px var(--spacing-unit) 80px;
      text-align: center;
      border-radius: var(--border-radius);
      margin-bottom: 40px;
      position: relative;
      overflow: hidden;
    }

    .page-8k8-member-center__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.2;
      z-index: 0;
      max-width: 100%; /* Ensure responsive */
    }

    .page-8k8-member-center__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-8k8-member-center__hero-title {
      font-size: 3.2em;
      color: var(--primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
      font-weight: bold;
    }

    .page-8k8-member-center__hero-description {
      font-size: 1.3em;
      color: var(--text-color-light);
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-8k8-member-center__cta-button {
      display: inline-block;
      background-color: var(--accent-color);
      color: var(--background-dark);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-8k8-member-center__cta-button:hover {
      background-color: #ffda6a;
      transform: translateY(-2px);
    }

    /* General Section Styling */
    .page-8k8-member-center__section {
      background-color: var(--background-light);
      padding: 40px var(--spacing-unit);
      margin-bottom: 30px;
      border-radius: var(--border-radius);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-8k8-member-center__section-title {
      font-size: 2.2em;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-weight: bold;
    }

    .page-8k8-member-center__section-description {
      font-size: 1.1em;
      color: var(--text-color-muted);
      text-align: center;
      margin-bottom: 40px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Feature Grid */
    .page-8k8-member-center__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-8k8-member-center__feature-item {
      background-color: var(--background-dark);
      padding: 30px;
      border-radius: var(--border-radius);
      text-align: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      align-items: center;
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-8k8-member-center__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-8k8-member-center__feature-image {
      width: 200px; /* Minimum size requirement */
      height: 200px;
      object-fit: cover;
      border-radius: 50%;
      margin-bottom: 20px;
      border: 3px solid var(--primary-color);
      max-width: 100%; /* Responsive image */
      height: auto; /* Maintain aspect ratio */
      box-sizing: border-box;
    }

    .page-8k8-member-center__feature-heading {
      font-size: 1.6em;
      color: var(--accent-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-8k8-member-center__feature-description {
      font-size: 1em;
      color: var(--text-color-muted);
      flex-grow: 1; /* Make description fill available space */
    }

    /* Promotion Cards */
    .page-8k8-member-center__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-8k8-member-center__promo-card {
      background-color: var(--background-dark);
      border-radius: var(--border-radius);
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--border-color);
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-8k8-member-center__promo-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-8k8-member-center__promo-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      border-bottom: 1px solid var(--border-color);
      max-width: 100%; /* Responsive image */
      height: auto; /* Maintain aspect ratio */
      box-sizing: border-box;
    }

    .page-8k8-member-center__promo-content {
      padding: 25px;
    }

    .page-8k8-member-center__promo-title {
      font-size: 1.8em;
      color: var(--primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-8k8-member-center__promo-description {
      font-size: 1em;
      color: var(--text-color-muted);
      margin-bottom: 20px;
    }

    .page-8k8-member-center__promo-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: white;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-8k8-member-center__promo-button:hover {
      background-color: #0056b3;
    }

    /* FAQ Section */
    .page-8k8-member-center__faq-section {
      background-color: var(--background-light);
      padding: 40px var(--spacing-unit);
      margin-bottom: 30px;
      border-radius: var(--border-radius);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-8k8-member-center__faq-item {
      background-color: var(--background-dark);
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      margin-bottom: 15px;
      overflow: hidden;
      box-sizing: border-box;
      max-width: 100%; /* Ensure item itself is responsive */
    }

    .page-8k8-member-center__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #333;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-8k8-member-center__faq-question:hover {
      background-color: #444;
    }

    .page-8k8-member-center__faq-title {
      font-size: 1.2em;
      color: var(--text-color-light);
      margin: 0;
      pointer-events: none; /* Prevent text from blocking click event */
      flex-grow: 1;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-8k8-member-center__faq-toggle {
      font-size: 1.8em;
      color: var(--accent-color);
      margin-left: 15px;
      font-weight: bold;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      width: 25px; /* Give it a fixed width to prevent text shift */
      text-align: center;
    }

    .page-8k8-member-center__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Initial padding, will change on active */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--text-color-muted);
      font-size: 0.95em;
      line-height: 1.8;
    }

    .page-8k8-member-center__faq-item.active .page-8k8-member-center__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain any content */
      padding: 20px !important; /* Adjust padding for expanded state */
      opacity: 1;
    }

    .page-8k8-member-center__faq-item.active .page-8k8-member-center__faq-question {
      background-color: #444;
    }

    .page-8k8-member-center__faq-item.active .page-8k8-member-center__faq-toggle {
      color: var(--primary-color);
    }

    /* Call to Action Section */
    .page-8k8-member-center__cta-section {
      text-align: center;
      padding: 50px var(--spacing-unit);
      background-color: var(--primary-color);
      border-radius: var(--border-radius);
      margin-bottom: 30px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-8k8-member-center__cta-heading {
      font-size: 2.5em;
      color: white;
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-8k8-member-center__cta-text {
      font-size: 1.2em;
      color: #e0e0e0;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-8k8-member-center {
        padding: 10px 10px; /* Reduce horizontal padding on mobile */
      }

      .page-8k8-member-center__hero-title {
        font-size: 2.5em;
      }

      .page-8k8-member-center__hero-description {
        font-size: 1.1em;
      }

      .page-8k8-member-center__section-title {
        font-size: 1.8em;
      }

      .page-8k8-member-center__section-description {
        font-size: 1em;
      }

      .page-8k8-member-center__feature-grid,
      .page-8k8-member-center__promotion-grid {
        grid-template-columns: 1fr; /* Stack items vertically */
        gap: 20px;
      }

      .page-8k8-member-center__feature-item,
      .page-8k8-member-center__promo-card,
      .page-8k8-member-center__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-8k8-member-center__faq-question {
        padding: 12px 15px;
      }

      .page-8k8-member-center__faq-title {
        font-size: 1.1em;
      }

      .page-8k8-member-center__faq-toggle {
        font-size: 1.5em;
      }

      .page-8k8-member-center__faq-answer {
        padding: 0 15px; /* Adjust initial padding */
      }

      .page-8k8-member-center__faq-item.active .page-8k8-member-center__faq-answer {
        padding: 15px !important; /* Adjust active padding */
      }

      .page-8k8-member-center__cta-heading {
        font-size: 2em;
      }

      .page-8k8-member-center__cta-text {
        font-size: 1em;
      }
    }

    @media (max-width: 480px) {
      .page-8k8-member-center__hero-title {
        font-size: 2em;
      }

      .page-8k8-member-center__hero-description {
        font-size: 0.95em;
      }

      .page-8k8-member-center__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-8k8-member-center__section-title {
        font-size: 1.6em;
      }

      .page-8k8-member-center__feature-heading {
        font-size: 1.4em;
      }

      .page-8k8-member-center__promo-title {
        font-size: 1.5em;
      }
    }