.page-13win-dang-nhap {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f9f9f9;
    }

    .page-13win-dang-nhap__hero-section {
      position: relative;
      width: 100%;
      height: 400px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: #fff;
      padding-top: 10px; /* Small top padding, main offset handled by body */
      box-sizing: border-box;
    }

    .page-13win-dang-nhap__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6);
      max-width: 100%;
    }

    .page-13win-dang-nhap__hero-content {
      z-index: 1;
      max-width: 90%;
      padding: 20px;
      background-color: rgba(0, 0, 0, 0.4);
      border-radius: 10px;
    }

    .page-13win-dang-nhap__hero-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: #ffcc00;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-13win-dang-nhap__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 25px;
    }

    .page-13win-dang-nhap__promo-link {
      display: inline-block;
      background-color: #e44d26;
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-13win-dang-nhap__promo-link:hover {
      background-color: #ff6f40;
    }

    .page-13win-dang-nhap__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-13win-dang-nhap__button {
      background-color: #ffcc00;
      color: #333;
      border: none;
      padding: 12px 20px;
      border-radius: 30px;
      font-weight: bold;
      font-size: 1em;
      cursor: pointer;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      transition: background-color 0.3s ease, transform 0.2s ease;
      min-width: 120px;
      text-align: center;
    }

    .page-13win-dang-nhap__button:hover {
      background-color: #e6b800;
      transform: translateY(-2px);
    }

    .page-13win-dang-nhap__button--register {
      background-color: #4CAF50;
      color: #fff;
    }

    .page-13win-dang-nhap__button--register:hover {
      background-color: #45a049;
    }

    .page-13win-dang-nhap__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      margin-bottom: 20px;
    }

    .page-13win-dang-nhap__section-title {
      font-size: 2em;
      color: #e44d26;
      text-align: center;
      margin-bottom: 30px;
    }

    .page-13win-dang-nhap__text-content {
      font-size: 1.1em;
      margin-bottom: 20px;
    }

    .page-13win-dang-nhap__text-content strong {
      color: #e44d26;
    }

    .page-13win-dang-nhap__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-13win-dang-nhap__grid-item {
      background-color: #f0f0f0;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      text-align: center;
      padding-bottom: 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;
    }

    .page-13win-dang-nhap__grid-item-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      margin-bottom: 15px;
      max-width: 100%;
    }

    .page-13win-dang-nhap__grid-item-title {
      font-size: 1.4em;
      color: #333;
      margin-bottom: 10px;
      padding: 0 15px;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-13win-dang-nhap__grid-item-description {
      font-size: 0.95em;
      color: #555;
      padding: 0 15px;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-13win-dang-nhap__list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 15px;
    }

    .page-13win-dang-nhap__list-item {
      background-color: #eef;
      padding: 15px;
      border-left: 5px solid #e44d26;
      border-radius: 5px;
      font-size: 1em;
      color: #333;
      box-sizing: border-box;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-13win-dang-nhap__faq-section {
      padding: 40px 20px;
      max-width: 900px;
      margin: 0 auto;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      margin-bottom: 20px;
    }

    .page-13win-dang-nhap__faq-item {
      border-bottom: 1px solid #eee;
      margin-bottom: 10px;
    }

    .page-13win-dang-nhap__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }

    .page-13win-dang-nhap__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      background-color: #f7f7f7;
      cursor: pointer;
      user-select: none;
      border-radius: 5px;
      transition: background-color 0.3s ease;
      color: #333;
    }

    .page-13win-dang-nhap__faq-question:hover {
      background-color: #eaeaea;
    }

    .page-13win-dang-nhap__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: #333;
      pointer-events: none;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-13win-dang-nhap__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: #e44d26;
      margin-left: 10px;
      pointer-events: none;
    }

    .page-13win-dang-nhap__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: #fdfdfd;
      border-radius: 0 0 5px 5px;
      color: #555;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-13win-dang-nhap__faq-item.active .page-13win-dang-nhap__faq-answer {
      max-height: 2000px !important;
      padding: 20px 15px !important;
      opacity: 1;
    }

    @media (max-width: 768px) {
      .page-13win-dang-nhap__hero-section {
        height: 300px;
      }

      .page-13win-dang-nhap__hero-title {
        font-size: 2em;
      }

      .page-13win-dang-nhap__hero-subtitle {
        font-size: 1em;
      }

      .page-13win-dang-nhap__section,
      .page-13win-dang-nhap__faq-section {
        padding: 20px 15px;
        margin: 0 10px 15px 10px;
      }

      .page-13win-dang-nhap__section-title {
        font-size: 1.6em;
      }

      .page-13win-dang-nhap__text-content {
        font-size: 1em;
      }

      .page-13win-dang-nhap__grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-13win-dang-nhap__grid-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 0 !important;
      }

      .page-13win-dang-nhap__list {
        grid-template-columns: 1fr;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-13win-dang-nhap__list-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 15px !important;
      }

      .page-13win-dang-nhap__floating-buttons {
        flex-direction: row;
        width: calc(100% - 40px);
        justify-content: center;
        left: 20px;
        right: 20px;
        bottom: 15px;
      }

      .page-13win-dang-nhap__button {
        flex: 1;
        padding: 10px 15px;
        font-size: 0.9em;
      }

      .page-13win-dang-nhap__faq-question h3 {
        font-size: 1em;
      }

      .page-13win-dang-nhap__faq-answer {
        padding: 15px !important;
      }
    }

    @media (max-width: 480px) {
      .page-13win-dang-nhap__hero-title {
        font-size: 1.8em;
      }

      .page-13win-dang-nhap__hero-subtitle {
        font-size: 0.9em;
      }

      .page-13win-dang-nhap__floating-buttons {
        gap: 8px;
        bottom: 10px;
      }

      .page-13win-dang-nhap__button {
        padding: 8px 10px;
        font-size: 0.85em;
        min-width: unset;
      }
    }