.page-blog-security-guide {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--Text-Main); /* #F3F8FF */
  background-color: var(--Deep-Navy); /* #08162B */
}

.page-blog-security-guide__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog-security-guide__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  color: var(--Text-Main);
}

.page-blog-security-guide__hero-image-wrapper {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

.page-blog-security-guide__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-blog-security-guide__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-blog-security-guide__main-title {
  font-size: 2.8em;
  font-weight: bold;
  color: var(--Text-Main);
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-blog-security-guide__hero-description {
  font-size: 1.2em;
  color: var(--Text-Secondary);
  margin-bottom: 30px;
}

.page-blog-security-guide__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.page-blog-security-guide__btn-primary,
.page-blog-security-guide__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
}

.page-blog-security-guide__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-blog-security-guide__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-blog-security-guide__btn-secondary {
  background: var(--Card-B-G); /* #10233F */
  color: var(--Text-Main); /* #F3F8FF */
  border: 2px solid var(--Border); /* #244D84 */
}

.page-blog-security-guide__btn-secondary:hover {
  background: var(--Border); /* #244D84 */
  transform: translateY(-3px);
}

.page-blog-security-guide__content-area {
  background-color: var(--Deep-Navy);
  padding: 60px 0;
  color: var(--Text-Main);
}

.page-blog-security-guide__section-title {
  font-size: 2.2em;
  color: var(--Gold); /* #F2C14E */
  margin-bottom: 30px;
  text-align: center;
  font-weight: bold;
  line-height: 1.3;
}

.page-blog-security-guide__section-title--faq {
  color: var(--Text-Main);
}

.page-blog-security-guide__text-block {
  font-size: 1.1em;
  color: var(--Text-Secondary);
  margin-bottom: 25px;
  text-align: justify;
}

.page-blog-security-guide__image-text-block {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 50px;
}

.page-blog-security-guide__image-text-block--reverse {
  flex-direction: row-reverse;
}

.page-blog-security-guide__text-content {
  flex: 1;
}

.page-blog-security-guide__image-wrapper {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-blog-security-guide__content-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  object-fit: cover;
  min-width: 200px; /* Ensure minimum size */
  min-height: 200px;
}

.page-blog-security-guide__content-image--centered {
  margin: 30px auto;
  max-width: 800px;
}

.page-blog-security-guide__list {
  list-style-type: disc;
  padding-left: 25px;
  margin-bottom: 25px;
  color: var(--Text-Secondary);
}

.page-blog-security-guide__list-item {
  margin-bottom: 10px;
  font-size: 1.1em;
}

.page-blog-security-guide__list-item strong {
  color: var(--Text-Main);
}

.page-blog-security-guide__contact-cta {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  margin-bottom: 60px;
}

.page-blog-security-guide__cta-buttons--bottom {
  margin-top: 60px;
}

.page-blog-security-guide__faq-section {
  background-color: var(--Card-B-G); /* #10233F */
  padding: 60px 0;
  color: var(--Text-Main);
}

.page-blog-security-guide__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-blog-security-guide__faq-item {
  background-color: var(--Deep-Navy); /* #08162B */
  border: 1px solid var(--Divider); /* #1B3357 */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-blog-security-guide__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--Text-Main);
  cursor: pointer;
  background-color: var(--Card-B-G); /* #10233F */
  border-bottom: 1px solid var(--Divider);
}

.page-blog-security-guide__faq-item[open] .page-blog-security-guide__faq-question {
  border-bottom: 1px solid var(--Divider);
}

.page-blog-security-guide__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-blog-security-guide__faq-item[open] .page-blog-security-guide__faq-toggle {
  transform: rotate(45deg);
}

.page-blog-security-guide__faq-answer {
  padding: 20px 25px;
  font-size: 1.05em;
  color: var(--Text-Secondary);
  background-color: var(--Deep-Navy); /* #08162B */
}

/* Hide default details marker */
.page-blog-security-guide__faq-item summary::-webkit-details-marker {
  display: none;
}
.page-blog-security-guide__faq-item summary::marker {
  display: none;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
  .page-blog-security-guide__main-title {
    font-size: 2.5em;
  }
  .page-blog-security-guide__hero-description {
    font-size: 1.1em;
  }
  .page-blog-security-guide__section-title {
    font-size: 2em;
  }
  .page-blog-security-guide__image-text-block {
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .page-blog-security-guide {
    font-size: 16px;
    line-height: 1.6;
  }

  /* HERO 主图区域 */
  .page-blog-security-guide__hero-section {
    padding-top: 10px !important; /* Small top padding, body handles header offset */
    padding-bottom: 30px;
  }
  .page-blog-security-guide__hero-image-wrapper {
    max-height: 300px;
  }
  .page-blog-security-guide__main-title {
    font-size: 2em !important;
    margin-bottom: 15px;
  }
  .page-blog-security-guide__hero-description {
    font-size: 1em !important;
    margin-bottom: 20px;
  }
  .page-blog-security-guide__cta-buttons {
    flex-direction: column !important;
    gap: 15px;
    padding: 0 15px;
  }
  .page-blog-security-guide__btn-primary,
  .page-blog-security-guide__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 其他内容模块 */
  .page-blog-security-guide__content-area,
  .page-blog-security-guide__faq-section {
    padding: 40px 0;
  }
  .page-blog-security-guide__container {
    padding: 0 15px !important;
  }
  .page-blog-security-guide__section-title {
    font-size: 1.8em !important;
    margin-bottom: 25px;
  }
  .page-blog-security-guide__text-block {
    font-size: 1em !important;
    margin-bottom: 20px;
  }
  .page-blog-security-guide__image-text-block {
    flex-direction: column !important;
    gap: 30px;
    margin-bottom: 40px;
  }
  .page-blog-security-guide__image-text-block--reverse {
    flex-direction: column !important;
  }
  .page-blog-security-guide__text-content {
    width: 100%;
  }
  .page-blog-security-guide__image-wrapper {
    width: 100%;
    min-width: unset;
  }

  /* 通用图片与容器 */
  .page-blog-security-guide img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }
  .page-blog-security-guide__hero-image,
  .page-blog-security-guide__content-image {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3) !important;
  }
  .page-blog-security-guide__section,
  .page-blog-security-guide__card,
  .page-blog-security-guide__container,
  .page-blog-security-guide__image-text-block,
  .page-blog-security-guide__cta-buttons,
  .page-blog-security-guide__contact-cta {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important; /* Prevents horizontal scroll from child elements */
  }

  /* FAQ */
  .page-blog-security-guide__faq-question {
    padding: 15px 20px;
    font-size: 1.1em !important;
  }
  .page-blog-security-guide__faq-answer {
    padding: 15px 20px;
    font-size: 1em !important;
  }
  .page-blog-security-guide__list {
    padding-left: 20px;
  }
  .page-blog-security-guide__list-item {
    font-size: 1em !important;
  }

  /* 产品展示图区域 (N/A for this page, but included for completeness if it were present) */
  /* If there were a product grid, it would need specific mobile rules here */
}