:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --text-dark: #333333;
  --text-light: #ffffff;
  --border-light: #e0e0e0;
  --highlight-yellow: #FFFF00; /* For 'Đăng ký và Đăng nhập' text */
  --button-register: #C30808;
  --button-login: #C30808;
}

.page-resources-bec-88-platform-security-guide {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark); /* Default text color on light background */
  background-color: var(--secondary-color); /* Default page background is white */
}

.page-resources-bec-88-platform-security-guide__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero Section */
.page-resources-bec-88-platform-security-guide__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--header-offset, 120px); /* Ensure content is below fixed header */
  padding-bottom: 60px;
  background-color: var(--primary-color);
  color: var(--text-light);
  overflow: hidden; /* For image */
}

.page-resources-bec-88-platform-security-guide__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2; /* Subtle background image */
  z-index: 0;
}

.page-resources-bec-88-platform-security-guide__hero-section .page-resources-bec-88-platform-security-guide__container {
  position: relative;
  z-index: 1;
}

.page-resources-bec-88-platform-security-guide__hero-title {
  font-size: 2.8em;
  margin-bottom: 20px;
  color: var(--text-light);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-resources-bec-88-platform-security-guide__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  max-width: 800px;
  color: var(--text-light);
}

/* Buttons */
.page-resources-bec-88-platform-security-guide__btn-primary,
.page-resources-bec-88-platform-security-guide__btn-secondary,
.page-resources-bec-88-platform-security-guide__hero-button,
.page-resources-bec-88-platform-security-guide__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent; /* Default border */
  max-width: 100%; /* Responsive button */
  box-sizing: border-box; /* Responsive button */
  white-space: normal; /* Responsive button text */
  word-wrap: break-word; /* Responsive button text */
  text-align: center;
}

.page-resources-bec-88-platform-security-guide__btn-primary,
.page-resources-bec-88-platform-security-guide__hero-button,
.page-resources-bec-88-platform-security-guide__cta-button {
  background-color: var(--button-register); /* Specific color for register/primary CTA */
  color: var(--highlight-yellow); /* Specific color for register/login font */
  border-color: var(--button-register);
}

.page-resources-bec-88-platform-security-guide__btn-primary:hover,
.page-resources-bec-88-platform-security-guide__hero-button:hover,
.page-resources-bec-88-platform-security-guide__cta-button:hover {
  background-color: #a30606; /* Darken C30808 */
  transform: translateY(-2px);
}

.page-resources-bec-88-platform-security-guide__btn-secondary {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.page-resources-bec-88-platform-security-guide__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
  transform: translateY(-2px);
}

/* Content Sections */
.page-resources-bec-88-platform-security-guide__content-section {
  padding: 60px 0;
}

.page-resources-bec-88-platform-security-guide__light-bg {
  background-color: var(--secondary-color);
  color: var(--text-dark);
}

.page-resources-bec-88-platform-security-guide__dark-bg {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.page-resources-bec-88-platform-security-guide__section-title {
  font-size: 2.2em;
  margin-bottom: 30px;
  text-align: center;
  color: inherit; /* Inherits from parent section */
}

.page-resources-bec-88-platform-security-guide__paragraph {
  font-size: 1.1em;
  margin-bottom: 20px;
  line-height: 1.7;
}

.page-resources-bec-88-platform-security-guide__content-image {
  display: block;
  margin: 40px auto;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
  min-width: 200px; /* Enforce minimum size */
  min-height: 200px; /* Enforce minimum size */
}

.page-resources-bec-88-platform-security-guide__highlight-text {
  color: var(--primary-color);
  font-weight: bold;
}

.page-resources-bec-88-platform-security-guide__dark-bg .page-resources-bec-88-platform-security-guide__highlight-text {
  color: var(--highlight-yellow); /* Highlight yellow on dark background */
}

.page-resources-bec-88-platform-security-guide a {
  color: var(--primary-color);
  text-decoration: underline;
  transition: color 0.3s ease;
}

.page-resources-bec-88-platform-security-guide__dark-bg a {
  color: var(--highlight-yellow);
}

.page-resources-bec-88-platform-security-guide a:hover {
  color: #005a2e; /* Darken primary color */
}

.page-resources-bec-88-platform-security-guide__dark-bg a:hover {
  color: #cccc00; /* Darken highlight yellow */
}

/* Feature Grid for Security Measures & User Roles */
.page-resources-bec-88-platform-security-guide__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-resources-bec-88-platform-security-guide__feature-card {
  background-color: var(--secondary-color);
  color: var(--text-dark);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-resources-bec-88-platform-security-guide__feature-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-resources-bec-88-platform-security-guide__feature-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  min-width: 200px; /* Enforce minimum size */
  min-height: 200px; /* Enforce minimum size */
}

.page-resources-bec-88-platform-security-guide__list {
  list-style-type: disc;
  margin-left: 20px;
  margin-bottom: 20px;
}

.page-resources-bec-88-platform-security-guide__list li {
  margin-bottom: 10px;
}

/* FAQ Section */
.page-resources-bec-88-platform-security-guide__faq-list {
  margin-top: 40px;
}

.page-resources-bec-88-platform-security-guide__faq-item {
  background-color: var(--secondary-color);
  color: var(--text-dark);
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.page-resources-bec-88-platform-security-guide__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  background-color: var(--secondary-color);
  border-bottom: 1px solid var(--border-light);
}

.page-resources-bec-88-platform-security-guide__faq-question h3 {
  margin: 0;
  font-size: 1.2em;
  color: var(--primary-color);
}

.page-resources-bec-88-platform-security-guide__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.page-resources-bec-88-platform-security-guide__faq-item.active .page-resources-bec-88-platform-security-guide__faq-toggle {
  transform: rotate(45deg); /* Change + to X or - */
}

.page-resources-bec-88-platform-security-guide__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 25px;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-resources-bec-88-platform-security-guide__faq-item.active .page-resources-bec-88-platform-security-guide__faq-answer {
  max-height: 1000px !important; /* Sufficiently large to show content */
  padding: 15px 25px 25px;
}

.page-resources-bec-88-platform-security-guide__faq-answer p {
  margin-bottom: 0;
}

/* CTA Section at the end */
.page-resources-bec-88-platform-security-guide__cta-section {
  position: relative;
  text-align: center;
  padding: 80px 20px;
  background-color: var(--primary-color);
  color: var(--text-light);
  overflow: hidden;
}

.page-resources-bec-88-platform-security-guide__cta-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  z-index: 0;
}

.page-resources-bec-88-platform-security-guide__cta-section .page-resources-bec-88-platform-security-guide__container {
  position: relative;
  z-index: 1;
}

.page-resources-bec-88-platform-security-guide__cta-title {
  font-size: 2.5em;
  margin-bottom: 20px;
  color: var(--text-light);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-resources-bec-88-platform-security-guide__hero-title {
    font-size: 2.2em;
  }
  .page-resources-bec-88-platform-security-guide__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-resources-bec-88-platform-security-guide {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-resources-bec-88-platform-security-guide__hero-section {
    padding-top: var(--header-offset, 120px) !important;
    padding-bottom: 40px;
  }
  .page-resources-bec-88-platform-security-guide__hero-title {
    font-size: 1.8em;
  }
  .page-resources-bec-88-platform-security-guide__hero-description {
    font-size: 1em;
  }
  .page-resources-bec-88-platform-security-guide__btn-primary,
  .page-resources-bec-88-platform-security-guide__btn-secondary,
  .page-resources-bec-88-platform-security-guide__hero-button,
  .page-resources-bec-88-platform-security-guide__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-resources-bec-88-platform-security-guide__section-title {
    font-size: 1.8em;
  }
  .page-resources-bec-88-platform-security-guide__feature-grid {
    grid-template-columns: 1fr;
  }
  .page-resources-bec-88-platform-security-guide__content-section,
  .page-resources-bec-88-platform-security-guide__cta-section {
    padding: 40px 0;
  }
  .page-resources-bec-88-platform-security-guide__container {
    padding: 0 15px;
  }
  /* Mobile image responsiveness */
  .page-resources-bec-88-platform-security-guide img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-resources-bec-88-platform-security-guide__section,
  .page-resources-bec-88-platform-security-guide__card,
  .page-resources-bec-88-platform-security-guide__container,
  .page-resources-bec-88-platform-security-guide__feature-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-resources-bec-88-platform-security-guide__video-section {
    padding-top: var(--header-offset, 120px) !important;
  }
  .page-resources-bec-88-platform-security-guide__faq-question,
  .page-resources-bec-88-platform-security-guide__faq-answer {
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-resources-bec-88-platform-security-guide__faq-item.active .page-resources-bec-88-platform-security-guide__faq-answer {
    padding: 15px 15px 20px !important;
  }
}

@media (max-width: 480px) {
  .page-resources-bec-88-platform-security-guide__hero-title {
    font-size: 1.5em;
  }
  .page-resources-bec-88-platform-security-guide__section-title {
    font-size: 1.5em;
  }
  .page-resources-bec-88-platform-security-guide__cta-title {
    font-size: 1.8em;
  }
}

/* Ensure images don't have color filters */
.page-resources-bec-88-platform-security-guide img {
  filter: none; /* Explicitly ensure no filter */
}

/* Specific contrast fixes if needed, though default colors should be fine */
.page-resources-bec-88-platform-security-guide__dark-bg {
  color: var(--text-light); /* Ensures light text on dark brand color */
}
.page-resources-bec-88-platform-security-guide__light-bg {
  color: var(--text-dark); /* Ensures dark text on light background */
}
.page-resources-bec-88-platform-security-guide__feature-card {
  color: var(--text-dark); /* Ensures dark text on light card background */
}
.page-resources-bec-88-platform-security-guide__faq-item {
  color: var(--text-dark); /* Ensures dark text on light FAQ item background */
}