.page-blog {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #F2FFF6; /* Text Main */
  background-color: #08160F; /* Background */
}

.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding */
  text-align: center;
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  position: relative;
  margin-bottom: 30px;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
}

.page-blog__hero-content {
  max-width: 900px;
  z-index: 10;
  padding: 20px;
  background-color: rgba(17, 49, 32, 0.8); /* Card BG with transparency */
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  margin-top: -80px; /* Overlap with image slightly for visual flow */
  position: relative;
}

.page-blog__main-title {
  font-size: clamp(2em, 4vw, 3em);
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
  line-height: 1.2;
  font-weight: bold;
}

.page-blog__description {
  font-size: 1.1em;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 30px;
}

.page-blog__cta-button {
  display: inline-block;
  padding: 14px 28px;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
  color: #FFFFFF;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-blog__cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

.page-blog__cta-button--large {
  padding: 18px 36px;
  font-size: 1.2em;
}

.page-blog__secondary-button {
  display: inline-block;
  padding: 12px 24px;
  background-color: transparent;
  color: #2AD16F; /* Main color for links */
  border: 2px solid #2AD16F;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.3s ease;
  margin-top: 20px;
}

.page-blog__secondary-button:hover {
  background-color: #2AD16F;
  color: #08160F;
}

.page-blog__section {
  padding: 80px 20px;
}

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

.page-blog__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.page-blog__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: #2AD16F;
  margin: 20px auto 0;
  border-radius: 2px;
}

.page-blog__content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.page-blog__text-block {
  background-color: #11271B; /* Card BG */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-blog__sub-title {
  font-size: 1.6em;
  color: #22C768; /* Auxiliary color */
  margin-bottom: 20px;
  line-height: 1.3;
}

.page-blog p {
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 15px;
}

.page-blog__feature-list,
.page-blog__strategy-list {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.page-blog__feature-list li,
.page-blog__strategy-list li {
  background-color: #0A4B2C; /* Deep Green */
  margin-bottom: 10px;
  padding: 12px 20px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  color: #F2FFF6; /* Text Main */
  border-left: 4px solid #2AD16F;
}

.page-blog__feature-list li strong,
.page-blog__strategy-list li strong {
  color: #F2C14E; /* Gold */
  margin-right: 8px;
}

.page-blog__content-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-top: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-blog__faq-section {
  padding: 60px 20px;
}

.page-blog__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-blog__faq-item {
  background-color: #11271B; /* Card BG */
  margin-bottom: 15px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border: 1px solid #2E7A4E; /* Border */
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  cursor: pointer;
  background-color: #0A4B2C; /* Deep Green */
  border-bottom: 1px solid #2E7A4E;
  transition: background-color 0.3s ease;
  list-style: none;
}

.page-blog__faq-question::-webkit-details-marker {
  display: none;
}

.page-blog__faq-question:hover {
  background-color: #1E3A2A;
}

.page-blog__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: #2AD16F;
  transition: transform 0.3s ease;
}

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

.page-blog__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1.05em;
  color: #A7D9B8; /* Text Secondary */
  background-color: #11271B; /* Card BG */
}

.page-blog__faq-item:not([open]) .page-blog__faq-answer {
  display: none;
}

.page-blog__conclusion {
  text-align: center;
  padding: 80px 20px;
}

.page-blog__conclusion .page-blog__description {
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 1.15em;
}

/* Color Contrast Specifics */
.page-blog__dark-bg {
  background-color: #08160F;
  color: #F2FFF6;
}

.page-blog__light-bg {
  background-color: #11271B;
  color: #F2FFF6;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-blog__hero-section {
    padding: 40px 15px;
  }

  .page-blog__hero-content {
    margin-top: -60px;
    padding: 15px;
  }

  .page-blog__main-title {
    font-size: clamp(1.8em, 6vw, 2.2em);
  }

  .page-blog__description {
    font-size: 1em;
  }

  .page-blog__cta-button {
    padding: 12px 20px;
    font-size: 1em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-blog__cta-button--large {
    padding: 14px 24px;
    font-size: 1.1em;
  }

  .page-blog__secondary-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-blog__section {
    padding: 40px 0;
  }

  .page-blog__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog__section-title {
    font-size: clamp(1.6em, 5vw, 2em);
    margin-bottom: 30px;
  }

  .page-blog__content-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .page-blog__text-block {
    padding: 20px;
  }

  .page-blog__sub-title {
    font-size: 1.4em;
  }

  .page-blog__feature-list li,
  .page-blog__strategy-list li {
    padding: 10px 15px;
  }

  .page-blog__content-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-blog__faq-section {
    padding: 40px 15px;
  }

  .page-blog__faq-question {
    padding: 15px 20px;
    font-size: 1.1em;
  }

  .page-blog__faq-answer {
    padding: 10px 20px 15px;
    font-size: 0.95em;
  }

  .page-blog__conclusion {
    padding: 50px 15px;
  }
}

/* Ensure all images are responsive */
.page-blog img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-blog__hero-image-wrapper,
.page-blog__content-grid,
.page-blog__text-block,
.page-blog__faq-item {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

@media (max-width: 768px) {
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-blog__section,
  .page-blog__card,
  .page-blog__container,
  .page-blog__hero-image-wrapper,
  .page-blog__content-grid,
  .page-blog__text-block,
  .page-blog__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__hero-section {
    padding-top: 10px !important; /* body đã có padding-top */
  }

  .page-blog__cta-button,
  .page-blog__btn-primary,
  .page-blog__btn-secondary,
  .page-blog a[class*="button"],
  .page-blog a[class*="btn"] {
    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-blog__cta-buttons,
  .page-blog__button-group,
  .page-blog__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-blog__cta-buttons {
    display: flex;
    flex-direction: column;
  }
}