/* Tổng quan */
    .page-77winlogin {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8f8f8;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    .page-77winlogin__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-77winlogin__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-77winlogin__section--dark {
      background-color: #2a2a2a;
      color: #fff;
    }

    .page-77winlogin__section-title {
      font-size: 2.5em;
      margin-bottom: 25px;
      color: #0056b3;
      font-weight: bold;
    }

    .page-77winlogin__section--dark .page-77winlogin__section-title {
      color: #ffd700;
    }

    .page-77winlogin__text-content {
      max-width: 800px;
      margin: 0 auto 30px auto;
      font-size: 1.1em;
      line-height: 1.8;
    }

    /* Hero Section */
    .page-77winlogin__hero-section {
      position: relative;
      overflow: hidden;
      padding-top: 10px; /* Đảm bảo không bị che bởi header */
      padding-bottom: 60px;
      color: #fff;
      text-align: center;
      background-color: #0a192f;
    }

    .page-77winlogin__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.4;
      z-index: 1;
      max-width: 100%; /* Responsive image */
    }

    .page-77winlogin__hero-content {
      position: relative;
      z-index: 2;
      padding: 60px 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-77winlogin__hero-title {
      font-size: 3.2em;
      margin-bottom: 20px;
      font-weight: 900;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      color: #ffd700; /* Vàng sáng */
    }

    .page-77winlogin__hero-subtitle {
      font-size: 1.4em;
      margin-bottom: 30px;
      color: #f0f0f0;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    /* Nút Đăng Nhập Nổi */
    .page-77winlogin__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #e44d26; /* Màu cam nổi bật */
      color: #fff;
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: all 0.3s ease;
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      line-height: 1.2;
      animation: page-77winlogin__pulse 2s infinite;
    }

    .page-77winlogin__floating-button:hover {
      background-color: #ff6f40;
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }

    @keyframes page-77winlogin__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Game List */
    .page-77winlogin__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-77winlogin__game-card {
      background-color: #fff;
      border-radius: 12px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-77winlogin__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    }

    .page-77winlogin__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-77winlogin__game-info {
      padding: 25px 20px;
    }

    .page-77winlogin__game-title {
      font-size: 1.6em;
      margin-bottom: 10px;
      color: #0056b3;
      font-weight: bold;
    }

    .page-77winlogin__game-description {
      font-size: 1em;
      color: #555;
      margin-bottom: 15px;
    }

    /* Hướng Dẫn */
    .page-77winlogin__guide-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 40px;
    }

    .page-77winlogin__guide-step {
      background-color: #fff;
      border-radius: 12px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
      padding: 30px;
      flex: 1 1 calc(33% - 30px);
      max-width: calc(33% - 30px);
      text-align: left;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-77winlogin__guide-step:hover {
      transform: translateY(-5px);
    }

    .page-77winlogin__step-number {
      font-size: 2.5em;
      color: #e44d26;
      font-weight: bold;
      margin-bottom: 15px;
    }

    .page-77winlogin__step-title {
      font-size: 1.5em;
      color: #0056b3;
      margin-bottom: 10px;
    }

    .page-77winlogin__step-description {
      font-size: 1em;
      color: #555;
    }

    .page-77winlogin__step-image {
      width: 100%;
      height: auto;
      margin-top: 20px;
      border-radius: 8px;
      max-width: 100%;
      box-sizing: border-box;
    }

    /* Khuyến Mãi */
    .page-77winlogin__promotion-card {
      background-color: #fff;
      border-radius: 12px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
      padding: 30px;
      margin-top: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      text-align: center;
      box-sizing: border-box;
    }

    .page-77winlogin__promotion-title {
      font-size: 2em;
      color: #e44d26;
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-77winlogin__promotion-description {
      font-size: 1.1em;
      color: #555;
      margin-bottom: 25px;
    }

    .page-77winlogin__promotion-image {
      width: 100%;
      height: auto;
      border-radius: 8px;
      margin-bottom: 25px;
      max-width: 100%;
      box-sizing: border-box;
    }

    /* Download App */
    .page-77winlogin__app-download {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
      margin-top: 40px;
    }

    .page-77winlogin__app-qr-code {
      width: 200px;
      height: 200px;
      border: 5px solid #0056b3;
      border-radius: 10px;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-77winlogin__app-text {
      font-size: 1.1em;
      color: #555;
      margin-top: 10px;
    }

    /* FAQ Section */
    .page-77winlogin__faq-list {
      margin-top: 40px;
      text-align: left;
    }

    .page-77winlogin__faq-item {
      background-color: #fff;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-77winlogin__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: #f0f0f0;
      border-bottom: 1px solid #e0e0e0;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      box-sizing: border-box;
    }

    .page-77winlogin__faq-question:hover {
      background-color: #e5e5e5;
    }

    .page-77winlogin__faq-question h3 {
      margin: 0;
      font-size: 1.25em;
      color: #0056b3;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
    }

    .page-77winlogin__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: #e44d26;
      margin-left: 15px;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
      transition: transform 0.3s ease;
    }

    .page-77winlogin__faq-item.active .page-77winlogin__faq-toggle {
      transform: rotate(45deg); /* Biến dấu '+' thành 'x' hoặc '-' */
    }

    .page-77winlogin__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #555;
      font-size: 1em;
      opacity: 0;
      box-sizing: border-box;
    }

    .page-77winlogin__faq-item.active .page-77winlogin__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Call to Action */
    .page-77winlogin__cta-button {
      display: inline-block;
      background-color: #e44d26;
      color: #fff;
      padding: 15px 35px;
      border-radius: 50px;
      font-size: 1.3em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      margin-top: 30px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-77winlogin__cta-button:hover {
      background-color: #ff6f40;
      transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
      .page-77winlogin__hero-title {
        font-size: 2.8em;
      }
      .page-77winlogin__hero-subtitle {
        font-size: 1.2em;
      }
      .page-77winlogin__section-title {
        font-size: 2em;
      }
      .page-77winlogin__guide-step {
        flex: 1 1 calc(50% - 30px);
        max-width: calc(50% - 30px);
      }
    }

    @media (max-width: 768px) {
      .page-77winlogin__hero-section {
        padding-top: 10px !important; /* Đảm bảo không bị che bởi header trên di động */
      }
      .page-77winlogin__hero-title {
        font-size: 2em;
      }
      .page-77winlogin__hero-subtitle {
        font-size: 1em;
      }
      .page-77winlogin__section {
        padding: 30px 0;
      }
      .page-77winlogin__section-title {
        font-size: 1.8em;
      }
      .page-77winlogin__text-content {
        font-size: 1em;
      }
      .page-77winlogin__game-grid {
        grid-template-columns: 1fr;
      }
      .page-77winlogin__guide-step {
        flex: 1 1 100% !important;
        max-width: 100% !important;
        padding: 20px !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-77winlogin__guide-steps {
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-77winlogin__game-card, .page-77winlogin__promotion-card, .page-77winlogin__faq-item {
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-77winlogin__faq-question, .page-77winlogin__faq-answer {
        padding: 15px 20px !important;
      }
      .page-77winlogin__faq-question h3 {
        font-size: 1.1em;
      }
      .page-77winlogin__faq-answer {
        font-size: 0.95em;
      }
      .page-77winlogin__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }
      .page-77winlogin__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }
      .page-77winlogin__game-image, .page-77winlogin__step-image, .page-77winlogin__promotion-image, .page-77winlogin__app-qr-code {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-77winlogin__text-content p, .page-77winlogin__game-description, .page-77winlogin__step-description, .page-77winlogin__promotion-description, .page-77winlogin__app-text {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }