:root {
      --page-555win55-primary-color: #e44d26; /* Cam đỏ */
      --page-555win55-secondary-color: #2c3e50; /* Xám xanh đậm */
      --page-555win55-accent-color: #f39c12; /* Vàng cam */
      --page-555win55-text-color-light: #ecf0f1; /* Trắng xám nhạt */
      --page-555win55-text-color-dark: #34495e; /* Xám đậm */
      --page-555win55-background-dark: #1a1a1a; /* Nền tối */
      --page-555win55-background-medium: #2a2a2a; /* Nền trung bình */
      --page-555win55-border-color: #444; /* Màu viền */
      --page-555win55-button-hover: #c0392b; /* Đỏ sẫm khi hover */
    }

    .page-555win55 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--page-555win55-text-color-light);
      background-color: var(--page-555win55-background-dark);
      line-height: 1.6;
      padding-bottom: 80px; /* Để chừa chỗ cho nút nổi */
    }

    .page-555win55__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
      text-align: center;
    }

    .page-555win55__section--dark {
      background-color: var(--page-555win55-background-medium);
    }

    .page-555win55__hero-section {
      position: relative;
      padding: 10px 20px 80px; /* Adjusted padding-top for header offset, then 80px for content */
      background-image: url('[GALLERY:hero:1920x1080:gaming,abstract,light]');
      background-size: cover;
      background-position: center;
      color: var(--page-555win55-text-color-light);
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 400px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-555win55__hero-title {
      font-size: 3.5em;
      margin-bottom: 10px;
      color: var(--page-555win55-primary-color);
      text-transform: uppercase;
      letter-spacing: 2px;
    }

    .page-555win55__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      max-width: 800px;
    }

    .page-555win55__hero-buttons {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .page-555win55__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-555win55-primary-color);
      color: var(--page-555win55-text-color-light);
      text-decoration: none;
      border-radius: 8px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-555win55__button:hover {
      background-color: var(--page-555win55-button-hover);
      transform: translateY(-2px);
    }

    .page-555win55__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      width: calc(100% - 40px);
      max-width: 350px;
      justify-content: space-around;
    }

    .page-555win55__floating-button {
      flex: 1;
      padding: 15px 10px;
      background-color: var(--page-555win55-accent-color);
      color: var(--page-555win55-secondary-color);
      border-radius: 10px;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
      text-transform: uppercase;
    }

    .page-555win55__floating-button:hover {
      background-color: #e67e22; /* Màu cam đậm hơn */
      transform: translateY(-3px);
    }

    .page-555win55__heading {
      font-size: 2.5em;
      margin-bottom: 30px;
      color: var(--page-555win55-primary-color);
      position: relative;
      padding-bottom: 10px;
    }

    .page-555win55__heading::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-555win55-accent-color);
      border-radius: 2px;
    }

    .page-555win55__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
      justify-content: center; /* Center items in the grid */
    }

    .page-555win55__product-card {
      background-color: var(--page-555win55-background-medium);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center; /* Center content horizontally */
      text-align: center;
      border: 1px solid var(--page-555win55-border-color);
    }

    .page-555win55__product-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
    }

    .page-555win55__product-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-bottom: 1px solid var(--page-555win55-border-color);
      max-width: 100%;
      height: auto;
    }

    .page-555win55__product-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      width: 100%; /* Ensure content takes full width for centering */
    }

    .page-555win55__product-title {
      font-size: 1.5em;
      color: var(--page-555win55-accent-color);
      margin-bottom: 10px;
    }

    .page-555win55__product-description {
      font-size: 0.95em;
      color: var(--page-555win55-text-color-light);
      margin-bottom: 15px;
    }

    .page-555win55__promotion-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      list-style: none;
      padding: 0;
      margin-top: 30px;
    }

    .page-555win55__promotion-item {
      background-color: var(--page-555win55-background-medium);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
      text-align: left;
      border: 1px solid var(--page-555win55-border-color);
    }

    .page-555win55__promotion-item h3 {
      color: var(--page-555win55-primary-color);
      font-size: 1.4em;
      margin-bottom: 10px;
    }

    .page-555win55__promotion-item p {
      color: var(--page-555win55-text-color-light);
      font-size: 0.9em;
    }

    .page-555win55__text-content {
      text-align: left;
      max-width: 800px;
      margin: 0 auto;
      font-size: 1.1em;
      color: var(--page-555win55-text-color-light);
    }

    .page-555win55__text-content h3 {
      color: var(--page-555win55-accent-color);
      font-size: 1.8em;
      margin-top: 30px;
      margin-bottom: 15px;
    }

    .page-555win55__text-content p {
      margin-bottom: 20px;
    }

    .page-555win55__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 30px;
      margin-top: 40px;
      align-items: center;
      justify-content: center;
    }

    .page-555win55__logo-item {
      background-color: var(--page-555win55-background-medium);
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100px;
      border: 1px solid var(--page-555win55-border-color);
    }

    .page-555win55__logo-image {
      max-width: 100%;
      max-height: 80px;
      object-fit: contain;
      filter: grayscale(80%);
      transition: filter 0.3s ease;
      height: auto;
    }

    .page-555win55__logo-image:hover {
      filter: grayscale(0%);
    }

    .page-555win55__faq-section {
      text-align: left;
    }

    .page-555win55__faq-container {
      max-width: 800px;
      margin: 0 auto;
      margin-top: 30px;
      border-radius: 10px;
      overflow: hidden;
      background-color: var(--page-555win55-background-medium);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }

    .page-555win55__faq-item {
      border-bottom: 1px solid var(--page-555win55-border-color);
    }

    .page-555win55__faq-item:last-child {
      border-bottom: none;
    }

    .page-555win55__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: var(--page-555win55-secondary-color);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-555win55__faq-question:hover {
      background-color: #3a5068;
    }

    .page-555win55__faq-question h3 {
      font-size: 1.2em;
      color: var(--page-555win55-text-color-light);
      margin: 0;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-555win55__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-555win55-accent-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-555win55__faq-item.active .page-555win55__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-555win55__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      background-color: var(--page-555win55-background-medium);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: var(--page-555win55-text-color-light);
      font-size: 0.95em;
    }

    .page-555win55__faq-item.active .page-555win55__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-555win55__social-links {
      display: flex;
      justify-content: center;
      gap: 25px;
      margin-top: 40px;
      flex-wrap: wrap;
    }

    .page-555win55__social-link {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-decoration: none;
      color: var(--page-555win55-text-color-light);
      font-size: 0.9em;
      transition: color 0.3s ease;
    }

    .page-555win55__social-link:hover {
      color: var(--page-555win55-accent-color);
    }

    .page-555win55__social-icon {
      width: 60px;
      height: 60px;
      object-fit: contain;
      margin-bottom: 8px;
      border-radius: 50%;
      background-color: rgba(255, 255, 255, 0.1);
      padding: 10px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      max-width: 100%;
      height: auto;
    }

    .page-555win55__social-link:hover .page-555win55__social-icon {
      transform: translateY(-5px);
    }

    /* Responsive Design */
    @media (max-width: 992px) {
      .page-555win55__hero-title {
        font-size: 2.8em;
      }

      .page-555win55__hero-subtitle {
        font-size: 1.3em;
      }

      .page-555win55__heading {
        font-size: 2em;
      }
    }

    @media (max-width: 768px) {
      .page-555win55__section {
        padding: 30px 15px;
      }

      .page-555win55__hero-section {
        min-height: 350px;
        padding-bottom: 60px;
      }

      .page-555win55__hero-title {
        font-size: 2.2em;
      }

      .page-555win55__hero-subtitle {
        font-size: 1.1em;
      }

      .page-555win55__hero-buttons {
        flex-direction: column;
        gap: 15px;
      }

      .page-555win55__button {
        width: 100%;
        max-width: 250px;
        margin: 0 auto;
      }

      .page-555win55__floating-buttons {
        gap: 10px;
        bottom: 15px;
        width: calc(100% - 30px);
      }

      .page-555win55__floating-button {
        padding: 12px 8px;
        font-size: 1em;
      }

      .page-555win55__heading {
        font-size: 1.8em;
      }

      .page-555win55__product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-555win55__product-image {
        height: 180px;
      }

      .page-555win55__product-title {
        font-size: 1.3em;
      }

      .page-555win55__promotion-list {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-555win55__promotion-item h3 {
        font-size: 1.2em;
      }

      .page-555win55__text-content {
        font-size: 1em;
      }

      .page-555win55__text-content h3 {
        font-size: 1.5em;
      }

      .page-555win55__logo-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 20px;
      }

      .page-555win55__logo-item {
        min-height: 80px;
        padding: 10px;
      }

      .page-555win55__faq-question {
        padding: 15px 20px;
      }

      .page-555win55__faq-question h3 {
        font-size: 1.1em;
      }

      .page-555win55__faq-answer {
        padding: 0 20px;
      }

      .page-555win55__faq-item.active .page-555win55__faq-answer {
        padding: 15px 20px !important;
      }

      .page-555win55__social-icon {
        width: 50px;
        height: 50px;
      }

      /* List item specific mobile responsive styles */
      .page-555win55__promotion-item,
      .page-555win55__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-555win55__promotion-list,
      .page-555win55__faq-container {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-555win55__product-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-555win55__product-grid {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
    }

    @media (max-width: 480px) {
      .page-555win55__hero-title {
        font-size: 1.8em;
      }

      .page-555win55__hero-subtitle {
        font-size: 0.9em;
      }

      .page-555win55__heading {
        font-size: 1.5em;
      }

      .page-555win55__floating-buttons {
        flex-direction: column;
        gap: 8px;
        width: calc(100% - 20px);
        max-width: 280px;
      }

      .page-555win55__floating-button {
        font-size: 0.9em;
      }
    }