.page-news {
  --primary-color: #FF8C1A;
  --secondary-color: #FFA53A;
  --color-card-bg: #17191F;
  --color-background: #0D0E12;
  --color-text-main: #FFF3E6;
  --color-border: #A84F0C;
  --color-glow: #FFB04D;
  --color-deep-orange: #D96800;
  
  font-family: 'Arial', sans-serif;
  color: var(--color-text-main); /* Default text color for dark body background */
  background-color: var(--color-background); /* Ensure body background is respected */
}

.page-news__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body padding-top handles header offset */
  background-color: var(--color-background);
}

.page-news__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.page-news__hero-image {
  width: 100%;
  margin-bottom: 30px;
}

.page-news__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.page-news__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.page-news__main-title {
  color: var(--color-glow);
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(255, 176, 77, 0.6);
  /* No fixed font-size for h1, rely on clamp if needed but not explicitly set here */
}

.page-news__hero-description {
  color: var(--color-text-main);
  font-size: 1.1em;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 30px;
}

.page-news__cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--color-deep-orange) 100%);
  color: #ffffff; /* As per instruction 'nút văn bản luôn sử dụng màu trắng' */
  text-decoration: none;
  border-radius: 50px;
  font-size: 18px;
  font-weight: bold;
  margin-top: 30px;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
  border: none;
  cursor: pointer;
}

.page-news__cta-button:hover {
  background: linear-gradient(180deg, var(--color-glow) 0%, var(--primary-color) 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
}

.page-news__intro-section, .page-news__featured-articles, .page-news__cta-section {
  padding: 60px 20px;
  background-color: var(--color-background);
  color: var(--color-text-main);
}

.page-news__light-bg {
  background-color: var(--color-background);
  color: var(--color-text-main);
}

.page-news__card-bg {
  background-color: var(--color-card-bg);
}

.page-news__dark-bg {
  background-color: var(--color-card-bg);
  color: var(--color-text-main);
}

.page-news__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-news__section-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  text-shadow: 0 0 8px rgba(255, 140, 26, 0.4);
}

.page-news__paragraph {
  font-size: 1.1em;
  line-height: 1.8;
  margin-bottom: 20px;
  text-align: justify;
  color: var(--color-text-main);
}

.page-news__categories-section {
  padding: 60px 20px;
  background-color: var(--color-card-bg);
}

.page-news__category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-news__category-item {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.page-news__category-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.page-news__category-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--color-border);
}

.page-news__category-title {
  font-size: 1.4em;
  color: var(--primary-color);
  padding: 20px 20px 10px;
  margin: 0;
}

.page-news__category-description {
  font-size: 0.95em;
  line-height: 1.6;
  color: var(--color-text-main);
  padding: 0 20px 20px;
  flex-grow: 1;
}

.page-news__read-more-button {
  display: inline-block;
  padding: 10px 20px;
  background: var(--primary-color);
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-size: 0.9em;
  font-weight: bold;
  margin: 0 20px 20px;
  transition: background-color 0.3s ease;
  align-self: flex-start;
}

.page-news__read-more-button:hover {
  background-color: var(--secondary-color);
}

.page-news__article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-news__article-card {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.page-news__article-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.page-news__article-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--color-border);
}

.page-news__article-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-news__article-title {
  font-size: 1.3em;
  color: var(--primary-color);
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-news__article-title a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-news__article-title a:hover {
  color: var(--secondary-color);
}

.page-news__article-date {
  font-size: 0.85em;
  color: var(--color-text-main);
  margin-bottom: 15px;
  opacity: 0.7;
}

.page-news__article-summary {
  font-size: 0.95em;
  line-height: 1.6;
  color: var(--color-text-main);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-news__read-more-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
  align-self: flex-start;
}

.page-news__read-more-link:hover {
  color: var(--primary-color);
}

.page-news__all-news-cta {
  text-align: center;
  margin-top: 50px;
}

.page-news__faq-section {
  padding: 60px 20px;
  background-color: var(--color-card-bg);
}

.page-news__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

details.page-news__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  background-color: var(--color-background);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

details.page-news__faq-item summary.page-news__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: var(--primary-color);
  font-weight: 600;
}

details.page-news__faq-item summary.page-news__faq-question::-webkit-details-marker {
  display: none;
}

details.page-news__faq-item summary.page-news__faq-question:hover {
  background-color: rgba(255, 140, 26, 0.1);
}

.page-news__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  line-height: 1.5;
  text-align: left;
  color: var(--color-text-main);
}

.page-news__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-news__faq-item .page-news__faq-answer {
  padding: 0 25px 25px;
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  border-radius: 0 0 8px 8px;
}

.page-news__faq-answer p {
  font-size: 1em;
  line-height: 1.7;
  color: var(--color-text-main);
  margin: 0;
}

.page-news__cta-section {
  padding: 80px 20px;
  text-align: center;
  background-color: var(--color-background);
  color: var(--color-text-main);
}

.page-news__more-articles {
  padding: 60px 20px;
  background-color: var(--color-card-bg);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-news__section-title {
    font-size: 2em;
  }
  .page-news__hero-description {
    font-size: 1em;
  }
  .page-news__cta-button {
    padding: 12px 30px;
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .page-news__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-news__hero-image img {
    border-radius: 4px;
  }
  .page-news__main-title {
    font-size: clamp(1.8em, 5vw, 2.5em); /* Example clamp for responsive font size */
  }
  .page-news__hero-description {
    font-size: 0.9em;
  }
  .page-news__cta-button {
    padding: 12px 25px;
    font-size: 16px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  
  .page-news__section-title {
    font-size: 1.8em;
  }
  .page-news__paragraph {
    font-size: 0.95em;
  }
  .page-news__category-grid, .page-news__article-grid {
    grid-template-columns: 1fr;
  }
  .page-news__category-item, .page-news__article-card {
    margin-bottom: 20px;
  }
  .page-news__category-image, .page-news__article-image {
    height: 180px;
  }
  
  .page-news__faq-item summary.page-news__faq-question {
    padding: 15px;
  }
  .page-news__faq-qtext {
    font-size: 1em;
  }
  .page-news__faq-toggle {
    font-size: 24px;
    width: 24px;
  }
  .page-news__faq-answer {
    padding: 0 15px 15px;
  }

  /* Mobile image responsiveness */
  .page-news img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-news__section, .page-news__card, .page-news__container, .page-news__cta-section, .page-news__more-articles, .page-news__intro-section, .page-news__categories-section, .page-news__featured-articles, .page-news__faq-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  /* Mobile button responsiveness */
  .page-news__cta-button, .page-news__read-more-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-news__all-news-cta {
    padding-left: 15px;
    padding-right: 15px;
  }
}