.page-blog-huong-dan-dang-nhap-fb88 {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background-color: #FFFFFF; /* Default background */
}

.page-blog-huong-dan-dang-nhap-fb88__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog-huong-dan-dang-nhap-fb88__top-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  text-align: center;
  background-color: #FFFFFF;
}

.page-blog-huong-dan-dang-nhap-fb88__main-title {
  font-size: clamp(2em, 4vw, 2.8em);
  color: #26A9E0;
  margin-bottom: 15px;
  font-weight: 700;
  line-height: 1.2;
}

.page-blog-huong-dan-dang-nhap-fb88__intro-text {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #555555;
}

.page-blog-huong-dan-dang-nhap-fb88__top-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-blog-huong-dan-dang-nhap-fb88__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-blog-huong-dan-dang-nhap-fb88__btn--primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-blog-huong-dan-dang-nhap-fb88__btn--primary:hover {
  background-color: #1e87b7;
  border-color: #1e87b7;
}

.page-blog-huong-dan-dang-nhap-fb88__btn--secondary {
  background-color: #FFFFFF;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-blog-huong-dan-dang-nhap-fb88__btn--secondary:hover {
  background-color: #e0f2f7;
}

.page-blog-huong-dan-dang-nhap-fb88__article-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  background-color: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  box-sizing: border-box;
}

.page-blog-huong-dan-dang-nhap-fb88__content-section {
  margin-bottom: 40px;
  padding: 20px;
  border-bottom: 1px dashed #e0e0e0;
}

.page-blog-huong-dan-dang-nhap-fb88__content-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.page-blog-huong-dan-dang-nhap-fb88__section-title {
  font-size: 2em;
  color: #26A9E0;
  margin-bottom: 20px;
  font-weight: 700;
  text-align: center;
}

.page-blog-huong-dan-dang-nhap-fb88__sub-title {
  font-size: 1.5em;
  color: #000000;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-blog-huong-dan-dang-nhap-fb88 p {
  margin-bottom: 15px;
  color: #333333;
}

.page-blog-huong-dan-dang-nhap-fb88__highlight {
  font-weight: bold;
  color: #26A9E0;
}

.page-blog-huong-dan-dang-nhap-fb88__list {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 15px;
  color: #333333;
}

.page-blog-huong-dan-dang-nhap-fb88__list li {
  margin-bottom: 8px;
}

.page-blog-huong-dan-dang-nhap-fb88__figure {
  margin: 25px 0;
  text-align: center;
}

.page-blog-huong-dan-dang-nhap-fb88__figure img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  min-width: 200px; /* Enforce min size */
  min-height: 200px; /* Enforce min size */
}

.page-blog-huong-dan-dang-nhap-fb88__figcaption {
  font-size: 0.9em;
  color: #666666;
  margin-top: 10px;
}

.page-blog-huong-dan-dang-nhap-fb88__dark-section {
  background-color: #26A9E0;
  color: #FFFFFF;
  padding: 30px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-blog-huong-dan-dang-nhap-fb88__dark-section .page-blog-huong-dan-dang-nhap-fb88__section-title,
.page-blog-huong-dan-dang-nhap-fb88__dark-section .page-blog-huong-dan-dang-nhap-fb88__sub-title {
  color: #FFFFFF;
}

.page-blog-huong-dan-dang-nhap-fb88__dark-section p,
.page-blog-huong-dan-dang-nhap-fb88__dark-section .page-blog-huong-dan-dang-nhap-fb88__list li {
  color: #f0f0f0;
}

.page-blog-huong-dan-dang-nhap-fb88__dark-section a {
  color: #FFFFFF;
  text-decoration: underline;
}

.page-blog-huong-dan-dang-nhap-fb88__dark-section a:hover {
  color: #e0f2f7;
}

.page-blog-huong-dan-dang-nhap-fb88__faq-section .page-blog-huong-dan-dang-nhap-fb88__faq-question {
  font-size: 1.2em;
  color: #26A9E0;
  margin-top: 25px;
  margin-bottom: 10px;
  cursor: pointer;
  font-weight: 600;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 10px;
}

.page-blog-huong-dan-dang-nhap-fb88__faq-section .page-blog-huong-dan-dang-nhap-fb88__faq-answer {
  margin-bottom: 15px;
  color: #555555;
}

.page-blog-huong-dan-dang-nhap-fb88__conclusion-section {
  text-align: center;
}

.page-blog-huong-dan-dang-nhap-fb88__cta-bottom {
  margin-top: 30px;
}

/* --- Mobile Responsive Styles (max-width: 768px) --- */
@media (max-width: 768px) {
  .page-blog-huong-dan-dang-nhap-fb88__container,
  .page-blog-huong-dan-dang-nhap-fb88__article-wrap,
  .page-blog-huong-dan-dang-nhap-fb88__content-section,
  .page-blog-huong-dan-dang-nhap-fb88__dark-section {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 1. Top Section Title + CTA */
  .page-blog-huong-dan-dang-nhap-fb88__top-section {
    padding-top: 10px !important;
    padding-bottom: 30px;
  }

  .page-blog-huong-dan-dang-nhap-fb88__main-title {
    font-size: 1.8em;
  }

  .page-blog-huong-dan-dang-nhap-fb88__intro-text {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-blog-huong-dan-dang-nhap-fb88__top-cta {
    flex-direction: column;
    gap: 10px;
  }

  .page-blog-huong-dan-dang-nhap-fb88__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 10px 20px;
    font-size: 0.95em;
  }

  /* 2. Single Column Long Article Container */
  .page-blog-huong-dan-dang-nhap-fb88__article-wrap {
    padding: 15px;
  }

  .page-blog-huong-dan-dang-nhap-fb88__section-title {
    font-size: 1.6em;
    margin-bottom: 15px;
  }

  .page-blog-huong-dan-dang-nhap-fb88__sub-title {
    font-size: 1.3em;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-blog-huong-dan-dang-nhap-fb88 p,
  .page-blog-huong-dan-dang-nhap-fb88__list li,
  .page-blog-huong-dan-dang-nhap-fb88__figcaption,
  .page-blog-huong-dan-dang-nhap-fb88__faq-answer {
    font-size: 0.95em;
  }

  /* 3. General Images and Figure */
  .page-blog-huong-dan-dang-nhap-fb88 img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  .page-blog-huong-dan-dang-nhap-fb88__figure {
    margin: 20px 0;
  }

  /* 4. Buttons and Button Containers */
  .page-blog-huong-dan-dang-nhap-fb88__cta-bottom {
    margin-top: 25px;
  }

  /* 5. Registration Tutorial and FAQ Blocks (FAQ here is h3/p, not accordion) */
  .page-blog-huong-dan-dang-nhap-fb88__faq-section .page-blog-huong-dan-dang-nhap-fb88__faq-question {
    font-size: 1.1em;
    margin-top: 20px;
    padding-bottom: 8px;
  }

  .page-blog-huong-dan-dang-nhap-fb88__dark-section {
    padding: 25px 15px;
  }
}

/* --- Mobile Responsive Styles (max-width: 1024px) --- */
@media (max-width: 1024px) {
  .page-blog-huong-dan-dang-nhap-fb88__container {
    padding: 0 15px;
  }

  .page-blog-huong-dan-dang-nhap-fb88__article-wrap {
    padding: 15px;
  }

  .page-blog-huong-dan-dang-nhap-fb88__main-title {
    font-size: clamp(2em, 4.5vw, 2.5em);
  }

  .page-blog-huong-dan-dang-nhap-fb88__section-title {
    font-size: 1.8em;
  }

  .page-blog-huong-dan-dang-nhap-fb88__sub-title {
    font-size: 1.4em;
  }
}