/* Reset và thiết lập cơ bản cho trang */
    .page-78winvip1 {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8f8f8;
      padding: 0;
      margin: 0;
      box-sizing: border-box;
    }

    .page-78winvip1__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-78winvip1__section {
      background-color: #fff;
      padding: 40px 20px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-78winvip1__section-title {
      color: #0056b3;
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-78winvip1__section-subtitle {
      color: #007bff;
      text-align: center;
      margin-bottom: 20px;
      font-size: 1.8em;
    }

    /* Hero Section */
    .page-78winvip1__hero-section {
      position: relative;
      background-size: cover;
      background-position: center;
      color: #fff;
      text-align: center;
      padding-top: 100px; /* Adjust for fixed header */
      padding-bottom: 60px;
      min-height: 400px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-78winvip1__hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8));
      z-index: 1;
    }

    .page-78winvip1__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .page-78winvip1__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      line-height: 1.2;
      color: #fff;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-78winvip1__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: #e0e0e0;
    }

    .page-78winvip1__btn {
      display: inline-block;
      background-color: #ffc107; /* Vàng nổi bật */
      color: #333;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-78winvip1__btn:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    /* Giới thiệu Section */
    .page-78winvip1__intro-text {
      font-size: 1.1em;
      text-align: justify;
      margin-bottom: 15px;
    }

    /* Game Categories */
    .page-78winvip1__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      justify-content: center;
      align-items: stretch;
    }

    .page-78winvip1__game-card {
      background-color: #fefefe;
      border: 1px solid #eee;
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      padding: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-sizing: border-box;
    }

    .page-78winvip1__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
    }

    .page-78winvip1__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
      max-width: 100%;
      height: auto;
      box-sizing: border-box;
    }

    .page-78winvip1__game-title {
      font-size: 1.4em;
      color: #0056b3;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-78winvip1__game-description {
      font-size: 0.95em;
      color: #555;
      flex-grow: 1;
      margin-bottom: 15px;
    }

    /* How-to Guide */
    .page-78winvip1__guide-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
    }

    .page-78winvip1__guide-item {
      background-color: #eaf6ff;
      border-left: 5px solid #007bff;
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
      box-sizing: border-box;
    }

    .page-78winvip1__guide-item h3 {
      color: #007bff;
      margin-top: 0;
      font-size: 1.5em;
      margin-bottom: 10px;
    }

    .page-78winvip1__guide-item p {
      font-size: 1em;
      color: #444;
    }

    /* Promotions */
    .page-78winvip1__promo-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
    }

    .page-78winvip1__promo-item {
      background-color: #fff3cd;
      border: 1px solid #ffeeba;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      box-sizing: border-box;
    }

    .page-78winvip1__promo-item h3 {
      color: #856404;
      margin-top: 0;
      font-size: 1.5em;
      margin-bottom: 10px;
    }

    .page-78winvip1__promo-item p {
      color: #664d03;
      font-size: 1em;
      margin-bottom: 10px;
    }

    .page-78winvip1__promo-item strong {
      color: #dc3545;
    }

    /* FAQ Section */
    .page-78winvip1__faq-list {
      list-style: none;
      padding: 0;
    }

    .page-78winvip1__faq-item {
      background-color: #fefefe;
      border: 1px solid #ddd;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-78winvip1__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: #007bff;
      color: #fff;
      cursor: pointer;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
      box-sizing: border-box;
    }

    .page-78winvip1__faq-question:hover {
      background-color: #0056b3;
    }

    .page-78winvip1__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: #fff;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-78winvip1__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent toggle from blocking click */
      transition: transform 0.3s ease;
    }

    .page-78winvip1__faq-item.active .page-78winvip1__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-78winvip1__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      background-color: #f9f9f9;
      color: #333;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 1em;
      box-sizing: border-box;
    }

    .page-78winvip1__faq-item.active .page-78winvip1__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Kết Luận */
    .page-78winvip1__conclusion-text {
      font-size: 1.1em;
      text-align: center;
      margin-bottom: 20px;
    }

    /* Floating Login Button */
    .page-78winvip1__floating-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #dc3545; /* Đỏ nổi bật */
      color: #fff;
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      white-space: nowrap;
    }

    .page-78winvip1__floating-btn:hover {
      background-color: #c82333;
      transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-78winvip1__container {
        padding: 15px;
      }

      .page-78winvip1__section {
        padding: 30px 15px;
        margin-bottom: 20px;
      }

      .page-78winvip1__section-title {
        font-size: 2em;
        margin-bottom: 25px;
      }

      .page-78winvip1__section-subtitle {
        font-size: 1.5em;
        margin-bottom: 15px;
      }

      .page-78winvip1__hero-section {
        padding-top: 80px; /* Adjust for mobile fixed header */
        min-height: 300px;
      }

      .page-78winvip1__hero-title {
        font-size: 2.5em;
      }

      .page-78winvip1__hero-description {
        font-size: 1em;
      }

      .page-78winvip1__btn {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-78winvip1__game-grid,
      .page-78winvip1__guide-list,
      .page-78winvip1__promo-list {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      
      .page-78winvip1__game-card,
      .page-78winvip1__guide-item,
      .page-78winvip1__promo-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-78winvip1__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-78winvip1__intro-text,
      .page-78winvip1__game-description,
      .page-78winvip1__guide-item p,
      .page-78winvip1__promo-item p,
      .page-78winvip1__faq-answer p,
      .page-78winvip1__conclusion-text {
        font-size: 0.95em;
      }

      .page-78winvip1__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }

      .page-78winvip1__faq-question h3 {
        font-size: 1.1em;
      }

      .page-78winvip1__faq-answer {
        padding: 0 20px;
      }

      .page-78winvip1__faq-item.active .page-78winvip1__faq-answer {
        padding: 15px 20px !important;
      }

      .page-78winvip1__floating-btn {
        bottom: 15px;
        right: 15px;
        padding: 10px 18px;
        font-size: 1em;
        width: calc(100% - 30px); /* Full width minus margins */
        left: 15px;
        border-radius: 10px;
      }
    }

    @media (max-width: 480px) {
      .page-78winvip1__hero-title {
        font-size: 2em;
      }
      .page-78winvip1__section-title {
        font-size: 1.8em;
      }
      .page-78winvip1__floating-btn {
        font-size: 0.9em;
        padding: 10px 15px;
      }
    }