:root {
      --page-net-12-primary-color: #007bff; /* Blue */
      --page-net-12-secondary-color: #28a745; /* Green */
      --page-net-12-accent-color: #ffc107; /* Yellow */
      --page-net-12-dark-bg: #1a1a2e; /* Dark Blue-Purple */
      --page-net-12-light-bg: #e0f2f7; /* Light Blue */
      --page-net-12-text-color: #f8f9fa; /* Light Gray */
      --page-net-12-dark-text-color: #343a40; /* Dark Gray */
      --page-net-12-border-color: #44445c;
      --page-net-12-card-bg: #2b2b40;
    }

    /* Base styles for the page content */
    .page-net-12 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-net-12-dark-bg);
      color: var(--page-net-12-text-color);
      line-height: 1.6;
      padding-top: 10px; /* Small top padding, assuming body has header offset */
      padding-bottom: 60px; /* General footer space */
    }

    .page-net-12__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-net-12__section {
      padding: 60px 0;
      text-align: center;
      position: relative;
    }

    .page-net-12__section:nth-of-type(even) {
      background-color: var(--page-net-12-dark-bg);
    }

    .page-net-12__section-title {
      font-size: 2.5em;
      color: var(--page-net-12-accent-color);
      margin-bottom: 30px;
      text-transform: uppercase;
      font-weight: bold;
      letter-spacing: 1px;
    }

    .page-net-12__section-subtitle {
      font-size: 1.2em;
      color: var(--page-net-12-text-color);
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-net-12__button {
      display: inline-block;
      background-color: var(--page-net-12-primary-color);
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      cursor: pointer;
      border: none;
      font-size: 1em;
    }

    .page-net-12__button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-net-12__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('[GALLERY:hero:1920x1080:gaming,betting,mobile,vietnam,net_12]') no-repeat center center/cover;
      color: #fff;
      padding: 100px 15px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 500px;
      text-align: center;
      position: relative;
    }

    .page-net-12__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      color: var(--page-net-12-accent-color);
      line-height: 1.2;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-net-12__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      max-width: 800px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    /* Game Categories Section */
    .page-net-12__game-categories {
      background-color: var(--page-net-12-card-bg);
    }

    .page-net-12__category-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-net-12__category-item {
      background-color: var(--page-net-12-dark-bg);
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      border: 1px solid var(--page-net-12-border-color);
    }

    .page-net-12__category-item:hover {
      transform: translateY(-10px);
      box-shadow: 0 12px 20px rgba(0, 0, 0, 0.5);
    }

    .page-net-12__category-image {
      width: 100%;
      max-width: 250px;
      height: auto;
      border-radius: 8px;
      margin-bottom: 20px;
      object-fit: cover;
    }

    .page-net-12__category-title {
      font-size: 1.5em;
      color: var(--page-net-12-primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-net-12__category-description {
      font-size: 0.95em;
      color: var(--page-net-12-text-color);
      flex-grow: 1;
    }

    /* Promotions Section */
    .page-net-12__promotions-section {
      background-color: var(--page-net-12-dark-bg);
    }

    .page-net-12__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-net-12__promotion-card {
      background-color: var(--page-net-12-card-bg);
      border-radius: 10px;
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
      overflow: hidden;
      text-align: left;
      border: 1px solid var(--page-net-12-border-color);
      transition: transform 0.3s ease;
    }

    .page-net-12__promotion-card:hover {
      transform: translateY(-5px);
    }

    .page-net-12__promotion-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

    .page-net-12__promotion-content {
      padding: 25px;
    }

    .page-net-12__promotion-title {
      font-size: 1.6em;
      color: var(--page-net-12-accent-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-net-12__promotion-description {
      font-size: 0.95em;
      color: var(--page-net-12-text-color);
      margin-bottom: 20px;
    }

    .page-net-12__promotion-button {
      background-color: var(--page-net-12-secondary-color);
      padding: 10px 20px;
      font-size: 0.95em;
    }

    .page-net-12__promotion-button:hover {
      background-color: #218838;
    }

    /* Features Section */
    .page-net-12__features-section {
      background-color: var(--page-net-12-card-bg);
    }

    .page-net-12__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-net-12__feature-item {
      background-color: var(--page-net-12-dark-bg);
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--page-net-12-border-color);
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      transition: background-color 0.3s ease;
    }

    .page-net-12__feature-item:hover {
      background-color: #3a3a50;
    }

    .page-net-12__feature-image { /* Updated to use image placeholder */
        width: 250px; /* Minimum 200px */
        height: 200px; /* Minimum 200px */
        object-fit: cover;
        border-radius: 8px;
        margin-bottom: 20px;
    }

    .page-net-12__feature-title {
      font-size: 1.4em;
      color: var(--page-net-12-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-net-12__feature-description {
      font-size: 0.95em;
      color: var(--page-net-12-text-color);
    }

    /* Call to Action Section */
    .page-net-12__cta-section {
      background-color: var(--page-net-12-dark-bg);
      padding: 80px 15px;
    }

    .page-net-12__cta-title {
      font-size: 2.8em;
      color: var(--page-net-12-accent-color);
      margin-bottom: 20px;
    }

    .page-net-12__cta-description {
      font-size: 1.3em;
      color: var(--page-net-12-text-color);
      margin-bottom: 40px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    /* FAQ Section */
    .page-net-12__faq-section {
      background-color: var(--page-net-12-card-bg);
      text-align: left;
    }

    .page-net-12__faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--page-net-12-border-color);
      border-radius: 8px;
      overflow: hidden;
      background-color: var(--page-net-12-dark-bg);
    }

    .page-net-12__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-net-12-dark-bg);
      color: var(--page-net-12-text-color);
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-net-12__faq-question h3 {
      margin: 0;
      color: var(--page-net-12-primary-color);
      font-size: 1.1em; /* Ensure h3 doesn't look too big */
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-net-12__faq-question:hover {
      background-color: #3a3a50;
    }

    .page-net-12__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      color: var(--page-net-12-accent-color);
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-net-12__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Initial padding */
      color: var(--page-net-12-text-color);
      background-color: var(--page-net-12-dark-bg);
      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; /* Crucial for padding to work correctly */
    }

    .page-net-12__faq-answer p {
      margin: 15px 0;
    }

    .page-net-12__faq-item.active .page-net-12__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 20px !important; /* Adjust padding for expanded state */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 992px) {
      .page-net-12__hero-title {
        font-size: 3em;
      }
      .page-net-12__hero-subtitle {
        font-size: 1.3em;
      }
      .page-net-12__section-title {
        font-size: 2em;
      }
      .page-net-12__cta-title {
        font-size: 2.2em;
      }
    }

    @media (max-width: 768px) {
      .page-net-12__hero-title {
        font-size: 2.5em;
      }
      .page-net-12__hero-subtitle {
        font-size: 1.1em;
      }
      .page-net-12__section {
        padding: 40px 0;
      }
      .page-net-12__section-title {
        font-size: 1.8em;
      }
      .page-net-12__section-subtitle {
        font-size: 1em;
      }
      .page-net-12__button {
        padding: 10px 20px;
        font-size: 0.9em;
      }

      /* List item mobile responsiveness */
      .page-net-12__category-grid,
      .page-net-12__promotion-grid,
      .page-net-12__feature-grid {
        grid-template-columns: 1fr; /* Single column layout */
        gap: 20px;
      }
      .page-net-12__category-item,
      .page-net-12__promotion-card,
      .page-net-12__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px; /* Adjust padding for smaller screens */
      }
      .page-net-12__category-image,
      .page-net-12__promotion-image,
      .page-net-12__feature-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-net-12__faq-item,
      .page-net-12__faq-question,
      .page-net-12__faq-answer {
        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;
        word-break: break-word !important;
      }
      .page-net-12__faq-question h3 {
        font-size: 1em;
      }
      .page-net-12__faq-toggle {
        font-size: 1.3em;
      }
      .page-net-12__cta-title {
        font-size: 1.8em;
      }
      .page-net-12__cta-description {
        font-size: 1.1em;
      }
    }

    @media (max-width: 480px) {
      .page-net-12__hero-title {
        font-size: 2em;
      }
      .page-net-12__hero-subtitle {
        font-size: 0.9em;
      }
      .page-net-12__section-title {
        font-size: 1.5em;
      }
      .page-net-12__cta-title {
        font-size: 1.5em;
      }
    }