:root {
  --primary-color: #26A9E0; /* 淡蓝色 */
  --secondary-color: #FFFFFF; /* 白色 */
  --accent-color: #EA7C07; /* 登录按钮橙色 */
  --text-dark: #333333;
  --text-light: #ffffff;
  --border-color: #e0e0e0;
  --bg-light: #f9f9f9;
  --bg-white: #ffffff;
}

/* Base styles for the news page content */
.page-news {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-dark); /* Default text color for light body background */
  background: var(--bg-white); /* Assuming body background is white, ensure content sections have clear backgrounds */
}

.page-news h1,
.page-news h2,
.page-news h3 {
  color: var(--text-dark);
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-news h1 {
  font-size: clamp(2em, 4vw, 3.2em); /* Clamp for H1, not fixed large value */
  font-weight: 700;
  color: var(--primary-color);
}

.page-news h2 {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  font-weight: 600;
  text-align: center;
  margin-bottom: 30px;
}

.page-news h3 {
  font-size: clamp(1.3em, 2.5vw, 1.8em);
  font-weight: 600;
}

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

.page-news a:hover {
  color: #1a7bb7; /* Slightly darker primary for hover */
  text-decoration: underline;
}

.page-news__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.page-news__section-title {
  font-size: clamp(2em, 4vw, 2.8em);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.page-news__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
  color: var(--text-dark);
}

/* HERO Section */
.page-news__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  /* body already handles padding-top from header, this is just a small top margin for visual spacing */
  padding-top: 10px; 
  background-color: var(--bg-white);
  overflow: hidden;
}

.page-news__hero-container {
  position: relative;
  max-width: 1400px; /* Slightly wider for hero image impact */
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-news__hero-image {
  width: 100%;
  margin-bottom: 30px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-news__hero-image img {
  width: 100%;
  height: 675px; /* Display height for 1920x1080 at 1200px width (16:9) */
  max-width: 100%;
  display: block;
  object-fit: cover;
}

.page-news__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  max-width: 900px;
  padding: 0 20px;
}

.page-news__main-title {
  margin-top: 0;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.page-news__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--text-dark);
}

.page-news__cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--primary-color);
  color: var(--text-light);
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  margin-top: 20px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-news__cta-button:hover {
  background: #1a7bb7; /* Slightly darker primary for hover */
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* Latest News Section */
.page-news__latest-news-section {
  padding: 80px 0;
  background-color: var(--bg-light);
}

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

.page-news__news-card {
  background: var(--bg-white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-news__news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-news__news-image-wrapper {
  width: 100%;
  height: 250px; /* Fixed height for consistency */
  overflow: hidden;
}

.page-news__news-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news__news-content {
  padding: 25px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.page-news__news-title {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.3em;
  line-height: 1.4;
}

.page-news__news-title a {
  color: var(--text-dark);
  font-weight: 600;
}

.page-news__news-title a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.page-news__news-excerpt {
  font-size: 0.95em;
  color: #666;
  margin-bottom: 15px;
  flex-grow: 1; /* Allow excerpt to take available space */
}

.page-news__news-date {
  font-size: 0.85em;
  color: #999;
  margin-bottom: 15px;
  display: block;
}

.page-news__read-more-button {
  display: inline-block;
  padding: 10px 20px;
  background: var(--primary-color);
  color: var(--text-light);
  border-radius: 5px;
  text-decoration: none;
  font-size: 0.9em;
  font-weight: 500;
  transition: background-color 0.3s ease;
  align-self: flex-start; /* Align button to start */
}

.page-news__read-more-button:hover {
  background: #1a7bb7;
  text-decoration: none;
}

.page-news__view-all-button-container {
  text-align: center;
  margin-top: 50px;
}

.page-news__view-all-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--accent-color); /* Use accent color for this CTA */
  color: var(--text-light);
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-news__view-all-button:hover {
  background: #c76707; /* Darker accent for hover */
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* CTA Section */
.page-news__cta-section {
  padding: 80px 20px;
  text-align: center;
  background: var(--primary-color); /* Dark background with light text */
  color: var(--text-light);
}

.page-news__cta-section .page-news__section-title,
.page-news__cta-section .page-news__section-description {
  color: var(--text-light);
}

.page-news__cta-section .page-news__cta-button {
  background: var(--accent-color);
  border: 2px solid var(--text-light);
}

.page-news__cta-section .page-news__cta-button:hover {
  background: #c76707;
}

/* FAQ Section */
.page-news__faq-section {
  padding: 80px 0;
  background-color: var(--bg-white);
}

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

details.page-news__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
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;
}
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: var(--bg-light);
}
.page-news__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-dark);
}
.page-news__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color); /* Use primary color for toggle */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-news__faq-item .page-news__faq-answer {
  padding: 0 25px 25px;
  background: var(--bg-light);
  border-radius: 0 0 10px 10px;
  font-size: 0.95em;
  color: #555;
}
details.page-news__faq-item .page-news__faq-answer p {
  margin-bottom: 0;
}


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

/* Mobile & Tablet - max-width: 768px */
@media (max-width: 768px) {
  .page-news__container {
    padding: 20px 15px;
  }

  .page-news__hero-section {
    padding-top: 10px !important; /* Consistent small top padding */
    padding-bottom: 30px;
  }

  .page-news__hero-image {
    margin-bottom: 20px;
    border-radius: 8px;
  }

  .page-news__hero-image img {
    height: auto; /* Adjust height for mobile */
  }

  .page-news__main-title {
    font-size: 2em; /* Smaller H1 for mobile */
    margin-bottom: 15px;
  }

  .page-news__hero-description {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-news__cta-button {
    padding: 12px 30px;
    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__latest-news-section,
  .page-news__cta-section,
  .page-news__faq-section {
    padding: 40px 0;
  }
  
  .page-news__section-title {
    font-size: 1.8em;
    margin-bottom: 25px;
  }

  .page-news__section-description {
    font-size: 0.9em;
    margin-bottom: 30px;
    padding: 0 10px;
  }

  .page-news__news-grid {
    grid-template-columns: 1fr; /* Single column for news cards on mobile */
    gap: 20px;
  }

  .page-news__news-card {
    border-radius: 8px;
  }

  .page-news__news-image-wrapper {
    height: 200px; /* Adjust image height for mobile cards */
  }

  .page-news__news-content {
    padding: 20px;
  }

  .page-news__news-title {
    font-size: 1.1em;
    margin-bottom: 8px;
  }

  .page-news__news-excerpt {
    font-size: 0.85em;
    margin-bottom: 10px;
  }

  .page-news__news-date {
    font-size: 0.8em;
    margin-bottom: 10px;
  }

  .page-news__read-more-button {
    padding: 8px 15px;
    font-size: 0.85em;
  }

  .page-news__view-all-button-container {
    margin-top: 30px;
  }

  .page-news__view-all-button {
    padding: 12px 30px;
    font-size: 16px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* FAQ Mobile Styles */
  details.page-news__faq-item {
    margin-bottom: 10px;
    border-radius: 8px;
  }
  details.page-news__faq-item summary.page-news__faq-question {
    padding: 15px 20px;
  }
  .page-news__faq-qtext {
    font-size: 1em;
  }
  .page-news__faq-toggle {
    font-size: 20px;
    width: 24px;
  }
  details.page-news__faq-item .page-news__faq-answer {
    padding: 0 20px 20px;
    font-size: 0.9em;
  }

  /* Ensure all images are responsive and prevent overflow */
  .page-news img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }
  
  .page-news__section,
  .page-news__card,
  .page-news__container,
  .page-news__hero-container,
  .page-news__hero-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Buttons in mobile */
  .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;
    display: flex; /* Ensure flex context for wrap */
    flex-direction: column; /* Stack buttons vertically by default */
  }
}

/* Tablet specific adjustments (optional, but good practice) */
@media (min-width: 769px) and (max-width: 1024px) {
  .page-news__container {
    padding: 30px;
  }
  .page-news__news-grid {
    grid-template-columns: repeat(2, 1fr); /* Two columns for tablets */
  }
}