:root {
      --page-vn58-primary-color: #FFD700; /* Gold/Yellow */
      --page-vn58-secondary-color: #FFFFFF; /* White */
      --page-vn58-background-color: #000000; /* Black */
      --page-vn58-text-color: #FFFFFF;
      --page-vn58-highlight-color: #FFD700;
      --page-vn58-border-color: #333333;
    }

    .page-vn58 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-vn58-background-color);
      color: var(--page-vn58-text-color);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-vn58__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-vn58__section--dark {
      background-color: #1a1a1a;
    }

    .page-vn58__hero-section {
      position: relative;
      width: 100%;
      overflow: hidden;
      padding-top: 120px; /* Safety area for fixed header on desktop */
      background-color: var(--page-vn58-background-color);
    }
    @media (max-width: 768px) {
      .page-vn58__hero-section {
        padding-top: 100px; /* Safety area for fixed header on mobile */
      }
    }

    .page-vn58__hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: contain; /* Ensures image is not stretched and maintains aspect ratio */
      max-width: 100%;
      min-width: 200px; /* Minimum size requirement */
      min-height: 200px; /* Minimum size requirement */
    }

    .page-vn58__hero-content {
      padding: 20px;
      text-align: center;
      position: relative;
      z-index: 1;
      margin-top: -20px; /* Pull content slightly up over banner bottom */
    }

    .page-vn58__hero-title {
      font-size: 2.8em;
      color: var(--page-vn58-highlight-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-vn58__hero-description {
      font-size: 1.2em;
      color: var(--page-vn58-secondary-color);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-vn58__button {
      display: inline-block;
      background-color: var(--page-vn58-highlight-color);
      color: var(--page-vn58-background-color);
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-vn58__button:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }

    .page-vn58__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      animation: page-vn58__pulse 2s infinite;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    }

    @keyframes page-vn58__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    .page-vn58__heading-2 {
      font-size: 2.2em;
      color: var(--page-vn58-highlight-color);
      margin-bottom: 30px;
      position: relative;
      display: inline-block;
      padding-bottom: 10px;
    }

    .page-vn58__heading-2::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-vn58-secondary-color);
      border-radius: 2px;
    }

    .page-vn58__text-block {
      text-align: left;
      margin-bottom: 20px;
      color: var(--page-vn58-secondary-color);
    }

    .page-vn58__text-block p {
      margin-bottom: 15px;
    }

    .page-vn58__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-vn58__game-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding: 15px;
    }

    .page-vn58__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
    }

    .page-vn58__game-item-image {
      width: 100%;
      max-width: 200px; /* Adjusted for game logos */
      height: auto;
      margin: 0 auto 10px auto;
      display: block;
      border-radius: 8px;
      object-fit: cover;
      min-width: 200px; /* Minimum size requirement */
      min-height: 200px; /* Minimum size requirement */
    }

    .page-vn58__game-item-title {
      font-size: 1.1em;
      color: var(--page-vn58-highlight-color);
      margin-top: 10px;
      font-weight: bold;
    }

    .page-vn58__promo-card {
      background-color: #1a1a1a;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      margin-top: 30px;
      text-align: center;
    }

    .page-vn58__promo-card-title {
      font-size: 2em;
      color: var(--page-vn58-highlight-color);
      margin-bottom: 15px;
    }

    .page-vn58__promo-card-description {
      font-size: 1.1em;
      color: var(--page-vn58-secondary-color);
      margin-bottom: 25px;
    }

    .page-vn58__steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-vn58__step-item {
      background-color: #1a1a1a;
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      text-align: left;
    }

    .page-vn58__step-number {
      font-size: 2.5em;
      color: var(--page-vn58-highlight-color);
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1;
    }

    .page-vn58__step-title {
      font-size: 1.4em;
      color: var(--page-vn58-secondary-color);
      margin-bottom: 10px;
    }

    .page-vn58__step-description {
      color: #cccccc;
      font-size: 0.95em;
    }

    .page-vn58__app-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 30px;
      margin-top: 30px;
    }

    .page-vn58__app-image {
      width: 100%;
      max-width: 300px;
      height: auto;
      border-radius: 15px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
      min-width: 200px; /* Minimum size requirement */
      min-height: 200px; /* Minimum size requirement */
    }

    .page-vn58__app-description {
      text-align: center;
      max-width: 600px;
      color: var(--page-vn58-secondary-color);
    }

    .page-vn58__download-buttons {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      margin-top: 20px;
    }

    .page-vn58__download-button {
      background-color: var(--page-vn58-primary-color);
      color: var(--page-vn58-background-color);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 1em;
    }

    .page-vn58__download-button:hover {
      background-color: #e6c200;
    }

    .page-vn58__download-button svg {
      fill: var(--page-vn58-background-color);
      width: 20px;
      height: 20px;
    }

    .page-vn58__faq-container {
      margin-top: 30px;
      text-align: left;
    }

    .page-vn58__faq-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-vn58__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #2a2a2a;
      color: var(--page-vn58-secondary-color);
      font-weight: bold;
      font-size: 1.1em;
      border-bottom: 1px solid #333333;
      transition: background-color 0.3s ease;
    }

    .page-vn58__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-vn58-secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-vn58__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-vn58__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent toggle from blocking click event */
      color: var(--page-vn58-highlight-color);
      transition: transform 0.3s ease;
    }

    .page-vn58__faq-item.active .page-vn58__faq-toggle {
      transform: rotate(45deg); /* Plus to X (rotate 45deg) or just change to minus */
    }

    .page-vn58__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: #cccccc;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-vn58__faq-item.active .page-vn58__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px !important;
      opacity: 1;
    }

    .page-vn58__list {
      list-style: none;
      padding: 0;
      margin: 20px 0;
      text-align: left;
    }

    .page-vn58__list-item {
      background-color: #1a1a1a;
      margin-bottom: 10px;
      padding: 15px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      gap: 15px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      color: var(--page-vn58-secondary-color);
    }

    .page-vn58__list-item::before {
      content: '✔';
      color: var(--page-vn58-highlight-color);
      font-weight: bold;
      font-size: 1.2em;
      flex-shrink: 0;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-vn58__section {
        padding: 30px 15px;
      }

      .page-vn58__hero-title {
        font-size: 2em;
      }

      .page-vn58__hero-description {
        font-size: 1em;
      }

      .page-vn58__heading-2 {
        font-size: 1.8em;
      }

      .page-vn58__game-grid {
        grid-template-columns: 1fr 1fr;
      }

      .page-vn58__game-item-image {
        max-width: 150px;
        min-width: 150px;
        min-height: 150px;
      }

      .page-vn58__promo-card-title {
        font-size: 1.5em;
      }

      .page-vn58__steps-grid {
        grid-template-columns: 1fr;
      }

      .page-vn58__download-buttons {
        flex-direction: column;
      }
      .page-vn58__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }
      .page-vn58__faq-question h3 {
        font-size: 1em;
      }
      .page-vn58__faq-answer {
        padding: 0 15px;
      }
      .page-vn58__faq-item.active .page-vn58__faq-answer {
        padding: 15px !important;
      }
    }

    /* Image responsive optimization */
    .page-vn58 img {
      max-width: 100%;
      height: auto;
      display: block; /* Ensure no extra space below images */
    }

    .page-vn58__hero-section img,
    .page-vn58__game-item-image,
    .page-vn58__app-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      box-sizing: border-box;
      overflow: hidden;
    }

    @media (max-width: 768px) {
      .page-vn58 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-vn58__hero-section img,
      .page-vn58__game-item-image,
      .page-vn58__app-image {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
      }
    }