/* style/news.css */
.page-news {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-button-gradient-start: #2AD16F;
  --color-button-gradient-end: #13994A;
  --color-card-bg: #11271B;
  --color-background: #08160F;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;

  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Default text color for dark background */
  background-color: var(--color-background);
}

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

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

.page-news__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-news__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 0 0; /* Adjusted for hero-image-wrapper to be above content */
  text-align: center;
}

.page-news__hero-image-wrapper {
  width: 100%;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.page-news__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7);
}

.page-news__hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 20px 80px;
  max-width: 900px;
  margin-top: -150px; /* Pull content up over the image a bit for visual flow, but not overlapping text */
  background: linear-gradient(to top, var(--color-background) 0%, rgba(8, 22, 15, 0.7) 70%, transparent 100%);
  border-radius: 0 0 15px 15px;
}

.page-news__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--color-gold);
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
}

.page-news__hero-description {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-news__btn-primary {
  display: inline-block;
  padding: 15px 30px;
  background: var(--color-button-gradient-start);
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-news__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-news__section-title {
  font-size: 2.5rem;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-news__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.page-news__section-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 50px;
}

.page-news__text-block {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  text-align: justify;
}

.page-news__introduction-section,
.page-news__highlights-section,
.page-news__faq-section {
  padding: 80px 0;
  background-color: var(--color-background);
}

.page-news__categories-section,
.page-news__access-section,
.page-news__conclusion-section {
  padding: 80px 0;
  background-color: var(--color-card-bg);
}

.page-news__category-grid,
.page-news__access-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-news__category-card,
.page-news__access-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.page-news__category-card:hover,
.page-news__access-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-news__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-news__card-title {
  font-size: 1.5rem;
  color: var(--color-gold);
  margin: 20px 15px 10px;
  font-weight: bold;
}

.page-news__card-title a {
  color: inherit;
  text-decoration: none;
}

.page-news__card-title a:hover {
  text-decoration: underline;
}

.page-news__card-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  padding: 0 15px;
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-news__btn-secondary {
  display: inline-block;
  padding: 10px 20px;
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin: 0 15px 20px;
}

.page-news__btn-secondary:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.page-news__highlight-list {
  list-style: none;
  padding: 0;
  margin-top: 50px;
}

.page-news__highlight-item {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--color-border);
}

.page-news__highlight-title {
  font-size: 1.8rem;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.page-news__highlight-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.page-news__cta-button {
  margin-top: 40px;
}

.page-news__faq-list {
  margin-top: 40px;
}

.page-news__faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-news__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-gold);
  background-color: var(--color-card-bg);
  border-bottom: 1px solid transparent; /* default */
  transition: border-bottom-color 0.3s ease;
  list-style: none;
}

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

.page-news__faq-item[open] summary {
  border-bottom-color: var(--color-border);
}

.page-news__faq-qtext {
  flex-grow: 1;
}

.page-news__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-primary);
  margin-left: 15px;
}

.page-news__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1rem;
  color: var(--color-text-secondary);
  background-color: rgba(17, 39, 27, 0.8); /* Slightly lighter than card bg */
}

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

.page-news__conclusion-cta {
  margin-top: 40px;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-news__hero-content {
    margin-top: -100px;
  }
}

@media (max-width: 768px) {
  .page-news__hero-content {
    margin-top: -50px;
    padding: 30px 15px 60px;
  }
  
  .page-news__main-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .page-news__hero-description {
    font-size: 1rem;
  }

  .page-news__section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }

  .page-news__section-description,
  .page-news__text-block {
    font-size: 0.95rem;
  }

  .page-news__introduction-section,
  .page-news__highlights-section,
  .page-news__faq-section,
  .page-news__categories-section,
  .page-news__access-section,
  .page-news__conclusion-section {
    padding: 60px 0;
  }

  .page-news__container {
    padding: 0 15px;
  }

  .page-news__category-grid,
  .page-news__access-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-news__card-title {
    font-size: 1.3rem;
  }

  .page-news__highlight-title {
    font-size: 1.5rem;
  }

  .page-news__faq-item summary {
    font-size: 1.1rem;
    padding: 15px 20px;
  }

  .page-news__faq-answer {
    padding: 10px 20px 15px;
  }

  /* Mobile image responsiveness */
  .page-news img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-news__section,
  .page-news__card,
  .page-news__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-news__video-section {
    padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
  }
  
  /* Mobile button responsiveness */
  .page-news__btn-primary,
  .page-news__btn-secondary,
  .page-news a[class*="button"],
  .page-news 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-news__cta-buttons,
  .page-news__button-group,
  .page-news__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-news__cta-buttons {
    display: flex;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .page-news__main-title {
    font-size: clamp(1.8rem, 10vw, 2.5rem);
  }
  .page-news__section-title {
    font-size: 1.8rem;
  }
}