:root {
      --page-13win12-com-primary-bg: #1a1a2e;
      --page-13win12-com-secondary-bg: #0f0f1a;
      --page-13win12-com-text-color: #e0e0e0;
      --page-13win12-com-accent-color: #ffd700;
      --page-13win12-com-button-bg: #ffcc00;
      --page-13win12-com-button-text: #1a1a2e;
      --page-13win12-com-border-color: #33334f;
      --page-13win12-com-hover-color: #ffeb3b;
    }

    .page-13win12-com {
      font-family: 'Arial', sans-serif;
      color: var(--page-13win12-com-text-color);
      background-color: var(--page-13win12-com-primary-bg);
      line-height: 1.6;
      padding-top: 10px; /* Adjusted for shared header offset */
    }

    .page-13win12-com__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-13win12-com__section--dark {
      background-color: var(--page-13win12-com-secondary-bg);
    }

    .page-13win12-com__main-title {
      font-size: 2.8em;
      color: var(--page-13win12-com-accent-color);
      margin-bottom: 15px;
      text-align: center;
      text-transform: uppercase;
      letter-spacing: 2px;
    }

    .page-13win12-com__section-title {
      font-size: 2em;
      color: var(--page-13win12-com-accent-color);
      margin-bottom: 30px;
      text-align: center;
    }

    .page-13win12-com__hero-section {
      background-image: url('[GALLERY:hero:1920x1080:gaming,abstract,light]');
      background-size: cover;
      background-position: center;
      padding: 80px 20px 60px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 500px;
      position: relative;
      overflow: hidden;
    }

    .page-13win12-com__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.6);
      z-index: 1;
    }

    .page-13win12-com__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      text-align: center;
    }

    .page-13win12-com__hero-content p {
      font-size: 1.1em;
      margin-bottom: 30px;
      color: var(--page-13win12-com-text-color);
    }

    .page-13win12-com__cta-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    .page-13win12-com__btn {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-13win12-com-button-bg);
      color: var(--page-13win12-com-button-text);
      text-decoration: none;
      border-radius: 8px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-13win12-com__btn:hover {
      background-color: var(--page-13win12-com-hover-color);
      transform: translateY(-2px);
    }

    .page-13win12-com__floating-buttons-container {
      position: fixed;
      bottom: 20px;
      right: 20px;
      left: 20px;
      display: flex;
      justify-content: space-around;
      gap: 10px;
      z-index: 1000;
      max-width: 400px;
      margin: 0 auto;
    }

    .page-13win12-com__floating-btn {
      flex: 1;
      padding: 12px 10px;
      background-color: #007bff; /* Blue for Đăng Ký */
      color: #ffffff;
      text-align: center;
      border-radius: 25px;
      font-weight: bold;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
      text-transform: uppercase;
    }

    .page-13win12-com__floating-btn--login {
      background-color: #28a745; /* Green for Đăng Nhập */
    }

    .page-13win12-com__floating-btn:hover {
      transform: translateY(-3px);
      opacity: 0.9;
    }

    .page-13win12-com__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-13win12-com__game-card {
      background-color: var(--page-13win12-com-primary-bg);
      border: 1px solid var(--page-13win12-com-border-color);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-13win12-com__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

    .page-13win12-com__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-13win12-com__game-title {
      font-size: 1.3em;
      color: var(--page-13win12-com-accent-color);
      margin: 20px 15px 10px;
    }

    .page-13win12-com__game-card p {
      font-size: 0.9em;
      color: var(--page-13win12-com-text-color);
      padding: 0 15px;
    }

    .page-13win12-com__promo-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 40px;
      list-style: none;
      padding: 0;
    }

    .page-13win12-com__promo-item {
      background-color: var(--page-13win12-com-primary-bg);
      border: 1px solid var(--page-13win12-com-border-color);
      border-radius: 10px;
      padding: 25px;
      text-align: left;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-13win12-com__promo-item:hover {
      transform: translateY(-5px);
    }

    .page-13win12-com__promo-item h3 {
      color: var(--page-13win12-com-accent-color);
      margin-top: 0;
      font-size: 1.4em;
    }

    .page-13win12-com__promo-item p {
      font-size: 0.95em;
    }

    .page-13win12-com__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-13win12-com__feature-item {
      background-color: var(--page-13win12-com-primary-bg);
      border: 1px solid var(--page-13win12-com-border-color);
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      text-align: center;
    }

    .page-13win12-com__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-13win12-com__feature-item h3 {
      color: var(--page-13win12-com-accent-color);
      margin-top: 15px;
      font-size: 1.3em;
    }

    .page-13win12-com__feature-item p {
      font-size: 0.9em;
    }

    .page-13win12-com__feature-icon {
      width: 80px;
      height: 80px;
      margin: 0 auto 15px;
      background-color: var(--page-13win12-com-accent-color);
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 2.5em;
      color: var(--page-13win12-com-button-text);
    }

    .page-13win12-com__provider-logos {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 40px;
    }

    .page-13win12-com__provider-logo {
      width: 150px;
      height: auto;
      object-fit: contain;
      filter: grayscale(80%);
      transition: filter 0.3s ease;
      display: block;
    }

    .page-13win12-com__provider-logo:hover {
      filter: grayscale(0%);
    }

    .page-13win12-com__faq-container {
      margin-top: 40px;
      text-align: left;
    }

    .page-13win12-com__faq-item {
      background-color: var(--page-13win12-com-primary-bg);
      border: 1px solid var(--page-13win12-com-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-13win12-com__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-13win12-com-secondary-bg);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-13win12-com__faq-question:hover {
      background-color: #2a2a40;
    }

    .page-13win12-com__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-13win12-com-accent-color);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-13win12-com__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-13win12-com-accent-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-13win12-com__faq-item.active .page-13win12-com__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-13win12-com__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 0.95em;
      color: var(--page-13win12-com-text-color);
    }

    .page-13win12-com__faq-item.active .page-13win12-com__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px !important;
      opacity: 1;
    }

    .page-13win12-com__social-media {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      margin-top: 40px;
      list-style: none;
      padding: 0;
    }

    .page-13win12-com__social-item {
      background-color: var(--page-13win12-com-primary-bg);
      border: 1px solid var(--page-13win12-com-border-color);
      border-radius: 8px;
      padding: 10px 20px;
      transition: transform 0.3s ease, background-color 0.3s ease;
      font-weight: bold;
      color: var(--page-13win12-com-accent-color);
    }

    .page-13win12-com__social-item:hover {
      transform: translateY(-3px);
      background-color: var(--page-13win12-com-secondary-bg);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-13win12-com__main-title {
        font-size: 2.2em;
      }

      .page-13win12-com__section-title {
        font-size: 1.7em;
      }

      .page-13win12-com__hero-section {
        padding: 60px 15px 40px;
        min-height: 400px;
      }

      .page-13win12-com__hero-content p {
        font-size: 1em;
      }

      .page-13win12-com__cta-buttons {
        flex-direction: column;
        gap: 15px;
      }

      .page-13win12-com__btn {
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
      }

      .page-13win12-com__section {
        padding: 30px 15px;
      }

      .page-13win12-com__game-grid,
      .page-13win12-com__promo-list,
      .page-13win12-com__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
      }

      .page-13win12-com__promo-item,
      .page-13win12-com__feature-item,
      .page-13win12-com__faq-item,
      .page-13win12-com__social-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 15px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-13win12-com__promo-list,
      .page-13win12-com__social-media {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-13win12-com__faq-question {
        padding: 12px 15px;
      }

      .page-13win12-com__faq-question h3 {
        font-size: 1em;
      }

      .page-13win12-com__faq-answer {
        padding: 15px !important;
      }

      .page-13win12-com__floating-buttons-container {
        bottom: 15px;
        right: 15px;
        left: 15px;
        max-width: none;
      }
    }