/* Tổng quan */
    .page-appvn58vip {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #000000; /* Nền đen */
      color: #ffffff; /* Chữ trắng */
      line-height: 1.6;
      padding-bottom: 80px; /* Đảm bảo không bị che bởi nút nổi cuối trang */
    }

    .page-appvn58vip__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-appvn58vip__section {
      padding: 40px 0;
      margin-bottom: 20px;
    }

    .page-appvn58vip__section-title {
      color: #ffd700; /* Chữ vàng */
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-appvn58vip__section-subtitle {
      color: #ffffff;
      text-align: center;
      margin-bottom: 40px;
      font-size: 1.2em;
    }

    /* Hero Section */
    .page-appvn58vip__hero-section {
      position: relative;
      text-align: center;
      overflow: hidden;
      padding-top: 120px; /* Đảm bảo không bị che bởi header cố định */
      background-color: #1a1a1a;
      padding-bottom: 40px;
    }

    .page-appvn58vip__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    }

    .page-appvn58vip__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px 0;
    }

    .page-appvn58vip__hero-title {
      font-size: 3em;
      color: #ffd700; /* Chữ vàng */
      margin-bottom: 15px;
      line-height: 1.2;
      font-weight: 900;
    }

    .page-appvn58vip__hero-description {
      font-size: 1.2em;
      color: #e0e0e0;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-appvn58vip__button {
      display: inline-block;
      background-color: #ffd700; /* Nút vàng */
      color: #000000; /* Chữ đen */
      padding: 15px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      border: none;
      cursor: pointer;
    }

    .page-appvn58vip__button:hover {
      background-color: #ffeb3b;
      transform: translateY(-2px);
    }

    /* Floating Button */
    .page-appvn58vip__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      width: 90%;
      max-width: 400px;
      text-align: center;
      animation: pulse 2s infinite;
    }

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

    /* Content Cards */
    .page-appvn58vip__cards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      padding: 20px 0;
    }

    .page-appvn58vip__card {
      background-color: #1a1a1a;
      border-radius: 12px;
      padding: 25px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid #333;
    }

    .page-appvn58vip__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
    }

    .page-appvn58vip__card-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      display: inline-block;
      vertical-align: middle;
      border-radius: 50%;
      object-fit: cover;
    }

    .page-appvn58vip__card-title {
      font-size: 1.4em;
      color: #ffd700;
      margin-bottom: 10px;
    }

    .page-appvn58vip__card-text {
      color: #cccccc;
      font-size: 0.95em;
    }

    /* Guide Section */
    .page-appvn58vip__guide-steps {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }

    .page-appvn58vip__step-item {
      background-color: #1a1a1a;
      border-radius: 12px;
      padding: 25px;
      display: flex;
      align-items: center;
      gap: 25px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
      border: 1px solid #333;
    }

    .page-appvn58vip__step-number {
      background-color: #ffd700;
      color: #000000;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 1.8em;
      font-weight: bold;
      flex-shrink: 0;
    }

    .page-appvn58vip__step-content h3 {
      color: #ffd700;
      margin-top: 0;
      margin-bottom: 10px;
      font-size: 1.6em;
    }

    .page-appvn58vip__step-content p {
      color: #e0e0e0;
      margin-bottom: 15px;
    }

    .page-appvn58vip__step-image {
      width: 100%;
      max-width: 300px;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      flex-shrink: 0;
    }

    /* Game Categories */
    .page-appvn58vip__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      padding: 20px 0;
    }

    .page-appvn58vip__game-item {
      background-color: #1a1a1a;
      border-radius: 12px;
      padding: 15px;
      text-align: center;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid #333;
    }

    .page-appvn58vip__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    }

    .page-appvn58vip__game-logo {
      width: 100%;
      max-width: 120px; /* Adjusted for larger gamelogo */
      height: auto;
      margin-bottom: 10px;
      border-radius: 8px;
    }

    .page-appvn58vip__game-title {
      color: #ffd700;
      font-size: 1.1em;
      font-weight: bold;
    }

    /* Promotions */
    .page-appvn58vip__promo-card {
      background-color: #1a1a1a;
      border-radius: 12px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
      border: 1px solid #333;
      margin-bottom: 30px;
    }

    .page-appvn58vip__promo-card h3 {
      color: #ffd700;
      font-size: 2em;
      margin-bottom: 15px;
    }

    .page-appvn58vip__promo-card p {
      color: #e0e0e0;
      font-size: 1.1em;
      margin-bottom: 25px;
    }

    /* FAQ Section */
    .page-appvn58vip__faq-list {
      margin-top: 30px;
    }

    .page-appvn58vip__faq-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      border: 1px solid #333;
    }

    .page-appvn58vip__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      user-select: none;
      color: #ffffff;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }

    .page-appvn58vip__faq-question:hover {
      background-color: #2a2a2a;
    }

    .page-appvn58vip__faq-question h3 {
      margin: 0;
      color: #ffd700;
      font-size: 1.2em;
      pointer-events: none; /* Prevent h3 from blocking click event on parent */
    }

    .page-appvn58vip__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: #ffd700;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event on parent */
    }

    .page-appvn58vip__faq-item.active .page-appvn58vip__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-appvn58vip__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: #e0e0e0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      background-color: #222222;
      border-top: 1px solid #333;
      font-size: 0.95em;
    }

    .page-appvn58vip__faq-item.active .page-appvn58vip__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-appvn58vip__hero-section {
        padding-top: 100px; /* Điều chỉnh cho mobile */
      }

      .page-appvn58vip__hero-title {
        font-size: 2.2em;
      }

      .page-appvn58vip__hero-description {
        font-size: 1em;
      }

      .page-appvn58vip__section-title {
        font-size: 2em;
      }

      .page-appvn58vip__cards-grid,
      .page-appvn58vip__game-grid {
        grid-template-columns: 1fr;
      }

      .page-appvn58vip__step-item {
        flex-direction: column;
        text-align: center;
      }

      .page-appvn58vip__step-image {
        max-width: 100%;
        width: 100% !important; /* Important for responsive images */
        height: auto !important; /* Important for responsive images */
      }

      .page-appvn58vip__card-icon {
        width: 60px;
        height: 60px;
      }

      .page-appvn58vip__game-logo {
        max-width: 100px;
      }

      .page-appvn58vip__faq-question {
        font-size: 1em;
        padding: 12px 15px;
      }

      .page-appvn58vip__faq-question h3 {
        font-size: 1em;
      }

      .page-appvn58vip__faq-answer {
        padding: 0 15px;
      }

      .page-appvn58vip__faq-item.active .page-appvn58vip__faq-answer {
        padding: 15px !important;
      }

      .page-appvn58vip__floating-button {
        width: 95%;
        bottom: 15px;
      }
    }

    /* Ensure all images are responsive */
    .page-appvn58vip img {
      max-width: 100%;
      height: auto;
      display: block; /* Remove extra space below images */
    }

    .page-appvn58vip__image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    @media (max-width: 768px) {
      .page-appvn58vip img {
        width: 100% !important;
        height: auto !important;
      }
      .page-appvn58vip__image-container {
        width: 100% !important;
        max-width: 100% !important;
      }
    }