:root {
      --page-win2-primary-color: #f7b731; /* Vàng cam */
      --page-win2-secondary-color: #38a169; /* Xanh lá */
      --page-win2-dark-background: #1a202c; /* Nền tối */
      --page-win2-light-background: #2d3748; /* Nền tối nhạt hơn */
      --page-win2-text-color: #e2e8f0; /* Màu chữ sáng */
      --page-win2-accent-color: #ed8936; /* Cam */
      --page-win2-border-color: #4a5568; /* Màu viền */
    }

    body {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-win2-dark-background);
      color: var(--page-win2-text-color);
      line-height: 1.6;
      margin: 0;
      padding-top: var(--header-offset, 122px); /* Fallback for header offset */
    }

    .page-win2 {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-win2__header-banner {
      background-color: var(--page-win2-light-background);
      padding: 10px 0;
      text-align: center;
      margin-bottom: 20px;
      border-bottom: 2px solid var(--page-win2-primary-color);
    }

    .page-win2__brand-keyword {
      font-size: 2.5em;
      font-weight: bold;
      color: var(--page-win2-primary-color);
      text-transform: uppercase;
      letter-spacing: 2px;
      margin: 0;
      line-height: 1;
    }

    .page-win2__hero-section {
      position: relative;
      padding-top: 10px; /* Small decorative padding, main offset from body */
      padding-bottom: 50px;
      text-align: center;
      background: linear-gradient(135deg, var(--page-win2-dark-background) 0%, var(--page-win2-light-background) 100%);
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 30px;
    }

    .page-win2__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto 30px auto;
      border-radius: 12px;
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    }

    .page-win2__hero-content {
      position: relative;
      z-index: 2;
      padding: 0 20px;
    }

    .page-win2__hero-title {
      font-size: 2.8em;
      color: var(--page-win2-primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-win2__hero-description {
      font-size: 1.2em;
      color: var(--page-win2-text-color);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-win2__button-group {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 40px;
    }

    .page-win2__cta-button {
      display: inline-block;
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      color: var(--page-win2-dark-background);
      background-color: var(--page-win2-primary-color);
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-win2__cta-button:hover {
      background-color: var(--page-win2-accent-color);
      transform: translateY(-3px);
    }

    .page-win2__cta-button--secondary {
      background-color: var(--page-win2-secondary-color);
    }

    .page-win2__cta-button--secondary:hover {
      background-color: #2f855a;
    }

    .page-win2__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .page-win2__floating-button {
      background-color: var(--page-win2-primary-color);
      color: var(--page-win2-dark-background);
      border: none;
      border-radius: 50px;
      padding: 12px 25px;
      font-size: 1em;
      font-weight: bold;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.3s ease;
    }

    .page-win2__floating-button:hover {
      background-color: var(--page-win2-accent-color);
      transform: scale(1.05);
    }

    .page-win2__section {
      background-color: var(--page-win2-light-background);
      padding: 40px 20px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-win2__section-title {
      font-size: 2.2em;
      color: var(--page-win2-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-win2__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-win2-accent-color);
      border-radius: 2px;
    }

    .page-win2__text-content {
      font-size: 1.1em;
      color: var(--page-win2-text-color);
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-win2__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-win2__game-card {
      background-color: var(--page-win2-dark-background);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .page-win2__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.6);
    }

    .page-win2__game-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-win2__game-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .page-win2__game-card:hover .page-win2__game-image {
      transform: scale(1.05);
    }

    .page-win2__game-info {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-win2__game-title {
      font-size: 1.4em;
      color: var(--page-win2-primary-color);
      margin-top: 0;
      margin-bottom: 10px;
      text-align: center;
    }

    .page-win2__game-description {
      font-size: 0.95em;
      color: var(--page-win2-text-color);
      margin-bottom: 15px;
      text-align: center;
    }

    .page-win2__promotion-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
    }

    .page-win2__promotion-item {
      background-color: var(--page-win2-dark-background);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, background-color 0.3s ease;
      border-left: 5px solid var(--page-win2-primary-color);
      display: flex;
      flex-direction: column;
    }

    .page-win2__promotion-item:hover {
      transform: translateY(-5px);
      background-color: var(--page-win2-light-background);
    }

    .page-win2__promotion-title {
      font-size: 1.5em;
      color: var(--page-win2-primary-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-win2__promotion-description {
      font-size: 1em;
      color: var(--page-win2-text-color);
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-win2__promotion-button {
      display: inline-block;
      padding: 10px 20px;
      border-radius: 25px;
      background-color: var(--page-win2-accent-color);
      color: var(--page-win2-dark-background);
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      align-self: flex-start;
    }

    .page-win2__promotion-button:hover {
      background-color: #e0752b;
    }

    .page-win2__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      justify-items: center;
    }

    .page-win2__provider-item {
      background-color: var(--page-win2-dark-background);
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease;
      width: 100%;
      box-sizing: border-box;
    }

    .page-win2__provider-item:hover {
      transform: scale(1.05);
    }

    .page-win2__provider-logo {
      width: 100%;
      max-width: 150px;
      height: auto;
      display: block;
      margin: 0 auto 10px auto;
      object-fit: contain;
    }

    .page-win2__provider-name {
      font-size: 1.1em;
      color: var(--page-win2-text-color);
      font-weight: bold;
    }

    .page-win2__payment-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 20px;
      justify-items: center;
    }

    .page-win2__payment-item {
      background-color: var(--page-win2-dark-background);
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease;
      width: 100%;
      box-sizing: border-box;
    }

    .page-win2__payment-item:hover {
      transform: scale(1.05);
    }

    .page-win2__payment-logo {
      width: 100%;
      max-width: 100px;
      height: auto;
      display: block;
      margin: 0 auto 10px auto;
      object-fit: contain;
    }

    .page-win2__payment-name {
      font-size: 1em;
      color: var(--page-win2-text-color);
    }

    .page-win2__faq-section {
      padding: 40px 20px;
      background-color: var(--page-win2-light-background);
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-win2__faq-item {
      background-color: var(--page-win2-dark-background);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    }

    .page-win2__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: var(--page-win2-dark-background);
      color: var(--page-win2-primary-color);
      cursor: pointer;
      user-select: none;
      font-size: 1.2em;
      font-weight: bold;
      border-bottom: 1px solid var(--page-win2-border-color);
      transition: background-color 0.3s ease;
    }

    .page-win2__faq-question:hover {
      background-color: #2c3440;
    }

    .page-win2__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-win2-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-win2__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      color: var(--page-win2-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click on parent */
    }

    .page-win2__faq-item.active .page-win2__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-win2__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: var(--page-win2-text-color);
      background-color: #2c3440;
      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: 1em;
      line-height: 1.7;
    }

    .page-win2__faq-item.active .page-win2__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-win2__social-media-list {
      list-style: none;
      padding: 0;
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 20px;
      margin-top: 30px;
    }

    .page-win2__social-media-item {
      background-color: var(--page-win2-dark-background);
      border-radius: 8px;
      padding: 15px 20px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, background-color 0.3s ease;
      text-align: center;
    }

    .page-win2__social-media-item:hover {
      transform: translateY(-5px);
      background-color: var(--page-win2-accent-color);
    }

    .page-win2__social-media-link {
      color: var(--page-win2-primary-color);
      text-decoration: none;
      font-weight: bold;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-win2__social-media-item:hover .page-win2__social-media-link {
      color: var(--page-win2-dark-background);
    }

    .page-win2__social-media-icon {
      width: 40px;
      height: 40px;
      object-fit: contain;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-win2 {
        padding: 0 10px;
      }

      .page-win2__header-banner {
        padding: 8px 0;
      }

      .page-win2__brand-keyword {
        font-size: 2em;
      }

      .page-win2__hero-title {
        font-size: 2em;
      }

      .page-win2__hero-description {
        font-size: 1em;
      }

      .page-win2__button-group {
        flex-direction: column;
        gap: 15px;
      }

      .page-win2__cta-button {
        padding: 12px 25px;
        font-size: 1em;
        width: 100%;
        box-sizing: border-box;
      }

      .page-win2__floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 10px;
      }

      .page-win2__floating-button {
        padding: 10px 20px;
        font-size: 0.9em;
      }

      .page-win2__section {
        padding: 30px 15px;
      }

      .page-win2__section-title {
        font-size: 1.8em;
      }

      .page-win2__text-content {
        font-size: 1em;
      }

      .page-win2__game-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-win2__game-image-wrapper {
        height: 180px;
      }

      .page-win2__game-title {
        font-size: 1.3em;
      }

      .page-win2__promotion-list {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-win2__promotion-item {
        padding: 20px;
      }

      .page-win2__promotion-title {
        font-size: 1.3em;
      }

      .page-win2__promotion-description {
        font-size: 0.95em;
      }

      .page-win2__provider-grid,
      .page-win2__payment-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
      }

      .page-win2__provider-item,
      .page-win2__payment-item {
        padding: 12px;
      }

      .page-win2__provider-name,
      .page-win2__payment-name {
        font-size: 0.9em;
      }

      .page-win2__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }

      .page-win2__faq-question h3 {
        font-size: 1.1em;
      }

      .page-win2__faq-answer {
        padding: 15px 20px;
        font-size: 0.95em;
      }

      .page-win2__faq-item.active .page-win2__faq-answer {
        padding: 15px 20px !important;
      }

      .page-win2__social-media-list {
        gap: 15px;
      }

      .page-win2__social-media-item {
        padding: 10px 15px;
      }

      .page-win2__social-media-icon {
        width: 30px;
        height: 30px;
      }
    }

    @media (max-width: 480px) {
      .page-win2__hero-title {
        font-size: 1.8em;
      }
      .page-win2__section-title {
        font-size: 1.6em;
      }
      .page-win2__provider-grid,
      .page-win2__payment-grid {
        grid-template-columns: 1fr; /* Stack on very small screens */
      }
    }

    /* Ensure all list items and containers are responsive */
    .page-win2__promotion-list,
    .page-win2__provider-grid,
    .page-win2__payment-grid,
    .page-win2__social-media-list {
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
      padding: 0;
      margin-left: 0;
      margin-right: 0;
    }

    .page-win2__promotion-item,
    .page-win2__provider-item,
    .page-win2__payment-item,
    .page-win2__social-media-item {
      box-sizing: border-box;
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
    }

    @media (max-width: 768px) {
      .page-win2__promotion-list li,
      .page-win2__provider-grid > div,
      .page-win2__payment-grid > div,
      .page-win2__social-media-list li {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-win2__promotion-list,
      .page-win2__provider-grid,
      .page-win2__payment-grid,
      .page-win2__social-media-list {
        padding: 0 !important;
      }
    }