:root {
      --page-xvipwinapp__primary-color: #e44d26; /* Cam đỏ */
      --page-xvipwinapp__secondary-color: #f7b731; /* Vàng cam */
      --page-xvipwinapp__text-color: #333;
      --page-xvipwinapp__light-text-color: #f0f0f0;
      --page-xvipwinapp__background-color: #f8f8f8;
      --page-xvipwinapp__dark-background-color: #2c3e50; /* Xanh đậm */
      --page-xvipwinapp__card-background: #ffffff;
      --page-xvipwinapp__border-color: #ddd;
      --page-xvipwinapp__button-hover: #c23b18;
    }

    .page-xvipwinapp {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-xvipwinapp__text-color);
      background-color: var(--page-xvipwinapp__background-color);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* Hero Section */
    .page-xvipwinapp__hero-section {
      position: relative;
      width: 100%;
      height: auto; /* Adjust height dynamically based on content */
      min-height: 400px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: var(--page-xvipwinapp__light-text-color);
      padding: 10px 20px 40px; /* Add padding-top to clear fixed header */
      box-sizing: border-box;
      overflow: hidden;
    }

    .page-xvipwinapp__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6); /* Darken background image for text readability */
    }

    .page-xvipwinapp__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin-top: 50px; /* Adjust as needed for banner image */
    }

    .page-xvipwinapp__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-xvipwinapp__light-text-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-xvipwinapp__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
    }

    .page-xvipwinapp__cta-button {
      display: inline-block;
      background-color: var(--page-xvipwinapp__secondary-color);
      color: var(--page-xvipwinapp__dark-background-color);
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-xvipwinapp__cta-button:hover {
      background-color: var(--page-xvipwinapp__button-hover);
      transform: translateY(-2px);
      color: var(--page-xvipwinapp__light-text-color);
    }

    /* Floating Login Button */
    .page-xvipwinapp__floating-button-container {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      width: 90%;
      max-width: 400px;
      box-sizing: border-box;
    }

    .page-xvipwinapp__floating-button {
      width: 100%;
      background: linear-gradient(90deg, #ff7e5f, #feb47b);
      color: white;
      padding: 15px 20px;
      border-radius: 30px;
      text-align: center;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      animation: page-xvipwinapp__pulse 2s infinite;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .page-xvipwinapp__floating-button:hover {
      background: linear-gradient(90deg, #feb47b, #ff7e5f);
      transform: scale(1.02);
    }

    @keyframes page-xvipwinapp__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Section General Styling */
    .page-xvipwinapp__section {
      padding: 60px 20px;
      text-align: center;
      max-width: 1200px;
      margin: 0 auto;
      box-sizing: border-box;
    }

    .page-xvipwinapp__section-dark {
      background-color: var(--page-xvipwinapp__dark-background-color);
      color: var(--page-xvipwinapp__light-text-color);
    }

    .page-xvipwinapp__section-title {
      font-size: 2.2em;
      margin-bottom: 40px;
      color: var(--page-xvipwinapp__primary-color);
      position: relative;
      padding-bottom: 10px;
    }

    .page-xvipwinapp__section-title--light {
      color: var(--page-xvipwinapp__light-text-color);
    }

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

    .page-xvipwinapp__text-block {
      max-width: 800px;
      margin: 0 auto 40px;
      font-size: 1.1em;
      line-height: 1.8;
      text-align: justify;
    }

    /* Game Categories */
    .page-xvipwinapp__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-xvipwinapp__game-card {
      background-color: var(--page-xvipwinapp__card-background);
      border-radius: 15px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-xvipwinapp__border-color);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
      box-sizing: border-box;
    }

    .page-xvipwinapp__game-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .page-xvipwinapp__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-bottom: 1px solid var(--page-xvipwinapp__border-color);
      box-sizing: border-box;
    }

    .page-xvipwinapp__game-card-content {
      padding: 25px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .page-xvipwinapp__game-card-title {
      font-size: 1.5em;
      color: var(--page-xvipwinapp__primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-xvipwinapp__game-card-description {
      font-size: 0.95em;
      color: var(--page-xvipwinapp__text-color);
      line-height: 1.6;
      text-align: left;
    }
    
    /* Benefits Section */
    .page-xvipwinapp__benefits-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      list-style: none;
      padding: 0;
      margin-top: 40px;
    }

    .page-xvipwinapp__benefit-item {
      background-color: var(--page-xvipwinapp__card-background);
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      text-align: left;
      border-left: 5px solid var(--page-xvipwinapp__primary-color);
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-xvipwinapp__benefit-item:hover {
      transform: translateY(-5px);
    }

    .page-xvipwinapp__benefit-icon {
      width: 80px; /* Min size 200x200px requirement, but this is an icon. Will need to adjust to be a larger image. */
      height: 80px;
      margin-bottom: 20px;
      display: block;
      object-fit: contain;
      max-width: 100%;
      height: auto;
    }

    .page-xvipwinapp__benefit-title {
      font-size: 1.4em;
      color: var(--page-xvipwinapp__primary-color);
      margin-bottom: 10px;
    }

    .page-xvipwinapp__benefit-description {
      font-size: 1em;
      color: var(--page-xvipwinapp__text-color);
    }

    /* Download Guide */
    .page-xvipwinapp__guide-steps {
      display: flex;
      flex-direction: column;
      gap: 30px;
      margin-top: 40px;
      text-align: left;
    }

    .page-xvipwinapp__guide-step {
      display: flex;
      align-items: flex-start;
      background-color: var(--page-xvipwinapp__card-background);
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      border-left: 5px solid var(--page-xvipwinapp__secondary-color);
      box-sizing: border-box;
    }

    .page-xvipwinapp__step-number {
      font-size: 2em;
      font-weight: bold;
      color: var(--page-xvipwinapp__secondary-color);
      margin-right: 20px;
      flex-shrink: 0;
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: rgba(255, 193, 7, 0.1);
      border-radius: 50%;
    }

    .page-xvipwinapp__step-content h3 {
      font-size: 1.5em;
      color: var(--page-xvipwinapp__primary-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-xvipwinapp__step-content p {
      font-size: 1em;
      color: var(--page-xvipwinapp__text-color);
    }
    
    .page-xvipwinapp__download-image {
        max-width: 100%;
        height: auto;
        border-radius: 10px;
        margin-top: 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        object-fit: cover;
    }

    /* FAQ Section */
    .page-xvipwinapp__faq-container {
      margin-top: 40px;
      text-align: left;
    }

    .page-xvipwinapp__faq-item {
      background-color: var(--page-xvipwinapp__card-background);
      border: 1px solid var(--page-xvipwinapp__border-color);
      border-radius: 10px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .page-xvipwinapp__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #f0f0f0;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-xvipwinapp__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-xvipwinapp__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-xvipwinapp__dark-background-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

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

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

    .page-xvipwinapp__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-xvipwinapp__text-color);
      font-size: 0.95em;
      line-height: 1.6;
    }

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

    /* Floating Ad Menu */
    .page-xvipwinapp__floating-ad {
      position: fixed;
      right: 15px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 999;
      background-color: var(--page-xvipwinapp__primary-color);
      color: var(--page-xvipwinapp__light-text-color);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      padding: 15px 10px;
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 10px;
      transition: all 0.3s ease;
      width: 120px;
      box-sizing: border-box;
    }

    .page-xvipwinapp__floating-ad-title {
      font-weight: bold;
      font-size: 1.1em;
      margin-bottom: 5px;
    }

    .page-xvipwinapp__floating-ad-button {
      background-color: var(--page-xvipwinapp__secondary-color);
      color: var(--page-xvipwinapp__dark-background-color);
      padding: 10px 15px;
      border-radius: 20px;
      font-size: 0.9em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      display: block;
      width: 100%;
      box-sizing: border-box;
    }

    .page-xvipwinapp__floating-ad-button:hover {
      background-color: var(--page-xvipwinapp__button-hover);
      color: var(--page-xvipwinapp__light-text-color);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-xvipwinapp__hero-section {
        padding: 10px 15px 30px; /* Adjust padding-top for mobile fixed header */
        min-height: 350px;
      }

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

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

      .page-xvipwinapp__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-xvipwinapp__section {
        padding: 40px 15px;
      }

      .page-xvipwinapp__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }

      .page-xvipwinapp__text-block {
        font-size: 0.95em;
        margin-bottom: 30px;
      }

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

      .page-xvipwinapp__game-card-image {
        height: 180px;
      }

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

      .page-xvipwinapp__game-card-content {
        padding: 20px;
      }

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

      .page-xvipwinapp__benefit-item {
        padding: 25px;
      }

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

      .page-xvipwinapp__guide-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 25px;
      }

      .page-xvipwinapp__step-number {
        margin-right: 0;
        margin-bottom: 15px;
        font-size: 1.8em;
      }

      .page-xvipwinapp__step-content h3 {
        font-size: 1.3em;
      }
      
      .page-xvipwinapp__faq-question {
        padding: 15px 20px;
      }

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

      .page-xvipwinapp__faq-answer {
        padding: 15px 20px !important; /* Important for active state too */
      }

      .page-xvipwinapp__floating-ad {
        width: 100%;
        right: 0;
        top: auto;
        bottom: 70px; /* Above the floating login button */
        transform: none;
        left: 0;
        border-radius: 0;
        padding: 10px;
        flex-direction: row;
        justify-content: center;
        gap: 15px;
      }
      .page-xvipwinapp__floating-ad-title {
        display: none; /* Hide title on small screens */
      }
      .page-xvipwinapp__floating-ad-button {
        width: auto;
        flex-grow: 1;
        max-width: 150px;
        padding: 8px 12px;
        font-size: 0.85em;
      }

      /* Ensure all list items and images are responsive */
      .page-xvipwinapp__game-grid > *,
      .page-xvipwinapp__benefits-list > *,
      .page-xvipwinapp__guide-steps > *,
      .page-xvipwinapp__faq-container > * {
        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;
      }

      .page-xvipwinapp__game-card,
      .page-xvipwinapp__benefit-item,
      .page-xvipwinapp__guide-step,
      .page-xvipwinapp__faq-item {
        padding-left: 0 !important;
        padding-right: 0 !important;
      }
      .page-xvipwinapp__game-card-content,
      .page-xvipwinapp__benefit-item,
      .page-xvipwinapp__guide-step,
      .page-xvipwinapp__faq-question,
      .page-xvipwinapp__faq-answer {
        padding-left: 15px !important;
        padding-right: 15px !important;
      }

      img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-xvipwinapp__hero-title {
        font-size: 1.8em;
      }
      .page-xvipwinapp__section-title {
        font-size: 1.6em;
      }
      .page-xvipwinapp__floating-ad {
        flex-direction: column;
        gap: 8px;
        padding: 8px;
      }
      .page-xvipwinapp__floating-ad-button {
        max-width: none;
      }
    }