:root {
      --page-sunwin-primary-color: #f39c12; /* Màu cam */
      --page-sunwin-secondary-color: #e74c3c; /* Màu đỏ */
      --page-sunwin-dark-background: #2c3e50; /* Xám đen */
      --page-sunwin-light-background: #ecf0f1; /* Xám nhạt */
      --page-sunwin-text-color: #34495e; /* Xám đậm */
      --page-sunwin-white: #ffffff;
      --page-sunwin-border-radius: 8px;
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-sunwin-text-color);
      background-color: var(--page-sunwin-light-background);
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    .page-sunwin {
      max-width: 100%;
      margin: 0 auto;
      overflow-x: hidden;
    }

    /* Hero Section */
    .page-sunwin__hero-section {
      position: relative;
      width: 100%;
      background-color: var(--page-sunwin-dark-background);
      color: var(--page-sunwin-white);
      text-align: center;
      padding: 10px 0 40px; /* Adjusted padding-top for fixed header */
      box-sizing: border-box;
      overflow: hidden;
    }

    .page-sunwin__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.6;
    }

    .page-sunwin__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-sunwin__hero-title {
      font-size: 2.2em;
      margin-bottom: 15px;
      color: var(--page-sunwin-primary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-sunwin__hero-description {
      font-size: 1.1em;
      margin-bottom: 25px;
      color: var(--page-sunwin-white);
    }

    .page-sunwin__primary-button {
      display: inline-block;
      background-color: var(--page-sunwin-primary-color);
      color: var(--page-sunwin-dark-background);
      padding: 12px 25px;
      border-radius: var(--page-sunwin-border-radius);
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-sunwin__primary-button:hover {
      background-color: #e67e22;
      transform: translateY(-2px);
    }

    /* Floating Login Button */
    .page-sunwin__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-sunwin-secondary-color);
      color: var(--page-sunwin-white);
      padding: 15px 25px;
      border-radius: 50px;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      white-space: nowrap;
      font-size: 1.1em;
      border: none;
      cursor: pointer;
    }

    .page-sunwin__floating-button:hover {
      background-color: #c0392b;
      transform: translateX(-50%) translateY(-3px);
    }

    /* General Section Styling */
    .page-sunwin__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-sunwin-white);
      border-radius: var(--page-sunwin-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      box-sizing: border-box;
    }

    .page-sunwin__section-title {
      text-align: center;
      font-size: 2em;
      margin-bottom: 30px;
      color: var(--page-sunwin-dark-background);
      position: relative;
    }

    .page-sunwin__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-sunwin-primary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-sunwin__text-content {
      font-size: 1em;
      line-height: 1.7;
      margin-bottom: 20px;
      color: var(--page-sunwin-text-color);
    }

    .page-sunwin__text-content strong {
      color: var(--page-sunwin-primary-color);
    }

    /* Game List / Product Display */
    .page-sunwin__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-sunwin__game-card {
      background-color: var(--page-sunwin-light-background);
      border-radius: var(--page-sunwin-border-radius);
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

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

    .page-sunwin__game-card-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 15px;
      border-bottom: 3px solid var(--page-sunwin-primary-color);
    }

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

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

    .page-sunwin__game-card-title {
      font-size: 1.4em;
      color: var(--page-sunwin-dark-background);
      margin: 0 15px 10px;
      padding-top: 5px;
    }

    .page-sunwin__game-card-description {
      font-size: 0.95em;
      color: var(--page-sunwin-text-color);
      padding: 0 15px;
      margin-bottom: 15px;
    }

    /* Download Section */
    .page-sunwin__download-options {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
      align-items: center;
    }

    .page-sunwin__download-item {
      display: flex;
      align-items: center;
      background-color: var(--page-sunwin-white);
      border: 2px solid var(--page-sunwin-primary-color);
      border-radius: var(--page-sunwin-border-radius);
      padding: 15px 20px;
      width: 100%;
      max-width: 400px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-sunwin__download-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    }

    .page-sunwin__download-icon {
      width: 60px;
      height: 60px;
      margin-right: 20px;
      object-fit: contain;
    }

    .page-sunwin__download-info {
      flex-grow: 1;
      text-align: left;
    }

    .page-sunwin__download-title {
      font-size: 1.2em;
      font-weight: bold;
      color: var(--page-sunwin-dark-background);
      margin-bottom: 5px;
    }

    .page-sunwin__download-description {
      font-size: 0.9em;
      color: var(--page-sunwin-text-color);
    }

    .page-sunwin__download-button {
      background-color: var(--page-sunwin-secondary-color);
      color: var(--page-sunwin-white);
      padding: 10px 20px;
      border-radius: var(--page-sunwin-border-radius);
      text-decoration: none;
      font-weight: bold;
      margin-left: auto;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-sunwin__download-button:hover {
      background-color: #c0392b;
    }

    /* Promotion Section */
    .page-sunwin__promotion-card {
      background-color: var(--page-sunwin-dark-background);
      color: var(--page-sunwin-white);
      border-radius: var(--page-sunwin-border-radius);
      padding: 30px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-sunwin__promotion-card-title {
      font-size: 1.8em;
      color: var(--page-sunwin-primary-color);
      margin-bottom: 15px;
    }

    .page-sunwin__promotion-card-description {
      font-size: 1.1em;
      margin-bottom: 25px;
    }

    /* FAQ Section */
    .page-sunwin__faq-list {
      margin-top: 30px;
    }

    .page-sunwin__faq-item {
      background-color: var(--page-sunwin-light-background);
      border-radius: var(--page-sunwin-border-radius);
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08);
    }

    .page-sunwin__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-sunwin-white);
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      color: var(--page-sunwin-dark-background);
      transition: background-color 0.3s ease;
    }

    .page-sunwin__faq-question:hover {
      background-color: #f5f5f5;
    }

    .page-sunwin__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click */
      color: var(--page-sunwin-dark-background);
      flex-grow: 1;
    }

    .page-sunwin__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      margin-left: 15px;
      color: var(--page-sunwin-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-sunwin__faq-item.active .page-sunwin__faq-toggle {
      transform: rotate(45deg);
    }

    .page-sunwin__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: var(--page-sunwin-light-background);
      color: var(--page-sunwin-text-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

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

    .page-sunwin__faq-answer p {
      margin: 0;
      padding-bottom: 10px;
    }

    .page-sunwin__faq-answer p:last-child {
      padding-bottom: 0;
    }

    /* Images responsiveness */
    .page-sunwin img {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
    }

    .page-sunwin__image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    /* Responsive Design for Mobile */
    @media (max-width: 768px) {
      .page-sunwin__hero-title {
        font-size: 1.8em;
      }

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

      .page-sunwin__section {
        padding: 30px 15px;
        margin-left: 10px;
        margin-right: 10px;
      }

      .page-sunwin__section-title {
        font-size: 1.6em;
      }

      .page-sunwin__game-grid {
        grid-template-columns: 1fr;
      }

      .page-sunwin__game-card-title {
        font-size: 1.2em;
      }

      .page-sunwin__download-item {
        flex-direction: column;
        text-align: center;
        padding: 15px;
        width: 90%;
      }

      .page-sunwin__download-icon {
        margin: 0 auto 15px;
      }

      .page-sunwin__download-info {
        margin-bottom: 15px;
      }

      .page-sunwin__download-button {
        margin-left: 0;
        width: 100%;
      }

      .page-sunwin__promotion-card {
        padding: 25px 15px;
      }

      .page-sunwin__promotion-card-title {
        font-size: 1.5em;
      }

      .page-sunwin__faq-question {
        padding: 12px 15px;
      }

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

      .page-sunwin__faq-answer {
        padding: 0 15px;
      }

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

      .page-sunwin__floating-button {
        padding: 12px 20px;
        font-size: 1em;
        width: calc(100% - 40px);
        box-sizing: border-box;
      }

      /* Force responsive image styles for mobile */
      .page-sunwin img {
          max-width: 100% !important;
          height: auto !important;
      }
      .page-sunwin__image-container {
          width: 100% !important;
          max-width: 100% !important;
          overflow: hidden !important;
          box-sizing: border-box !important;
      }
    }