/* style/news.css */

:root {
  --primary-color: #C91F17;
  --secondary-color: #E53935;
  --card-bg-color: #D32F2F;
  --background-color-news: #B71C1C;
  --text-main-color: #FFF5E1;
  --border-color: #F2B544;
  --glow-color: #FFCC66;
  --gold-color: #F4D34D;
  --deep-red-color: #7A0E0E;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  --light-text-color: #ffffff;
  --dark-text-color: #333333;
  --section-padding-desktop: 80px 0;
  --section-padding-mobile: 40px 0;
  --container-max-width: 1200px;
}

.page-news {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--dark-text-color); /* Default text color for light sections */
  background-color: var(--light-text-color); /* Default background for light sections */
}

.page-news__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* HERO Section */
.page-news__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, shared.css handles body padding-top */
  padding-bottom: 0;
  overflow: hidden;
  color: var(--light-text-color);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-news__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 500px;
}

.page-news__hero-content {
  position: relative;
  z-index: 1;
  padding: 40px 20px;
  background: var(--deep-red-color); /* Ensure contrast */
  width: 100%;
  max-width: 800px;
  margin-top: -100px; /* Pull content up over image for visual effect */
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.page-news__main-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--text-main-color);
  font-size: clamp(2.5em, 5vw, 3.5em); /* Responsive font size for H1 */
}

.page-news__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--light-text-color);
}

.page-news__cta-button {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  cursor: pointer;
  font-size: 1em;
}

.page-news__btn-primary {
  background: var(--button-gradient);
  color: var(--dark-text-color);
  border: none;
}

.page-news__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.page-news__btn-secondary {
  background: var(--deep-red-color);
  color: var(--text-main-color);
  border: 2px solid var(--gold-color);
  margin-left: 15px;
}

.page-news__btn-secondary:hover {
  background: var(--gold-color);
  color: var(--deep-red-color);
}

/* General Section Styles */
.page-news__section {
  padding: var(--section-padding-desktop);
}

.page-news__section-title {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.page-news__paragraph {
  font-size: 1.1em;
  margin-bottom: 1em;
  line-height: 1.7;
}

.page-news__highlight {
  color: var(--primary-color);
  font-weight: bold;
}

.page-news__content-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Color Schemes */
.page-news__dark-section {
  background-color: var(--background-color-news);
  color: var(--text-main-color);
}

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

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

.page-news__text-main {
  color: var(--text-main-color);
}

.page-news__text-link {
  color: var(--gold-color);
  text-decoration: underline;
}

.page-news__text-link:hover {
  color: var(--glow-color);
}

/* Latest News Section */
.page-news__latest-news-section .page-news__section-title {
  color: var(--text-main-color);
}

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

.page-news__news-card {
  background: var(--light-text-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-news__news-card:hover {
  transform: translateY(-5px);
}

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

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

.page-news__card-title {
  font-size: 1.4em;
  margin-bottom: 10px;
  line-height: 1.4;
}

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

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

.page-news__card-meta {
  font-size: 0.9em;
  color: #777;
  margin-bottom: 15px;
}

.page-news__card-text {
  font-size: 1em;
  color: var(--dark-text-color);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-news__read-more-button {
  align-self: flex-start;
}

.page-news__button-group {
  text-align: center;
  margin-top: 50px;
}

/* Analysis and Guides Sections */
.page-news__content-columns {
  display: flex;
  gap: 30px;
  margin-top: 40px;
}

.page-news__column {
  flex: 1;
}

.page-news__column-title {
  font-size: 1.8em;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.page-news__guides-section .page-news__column-title {
  color: var(--text-main-color);
}

/* FAQ Section */
.page-news__faq-section .page-news__section-title {
  color: var(--text-main-color);
}

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

.page-news__faq-item {
  background-color: var(--deep-red-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main-color);
}

.page-news__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  list-style: none; /* For details/summary */
}

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

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

.page-news__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
}

.page-news__faq-answer {
  padding: 0 20px 20px;
  font-size: 1.1em;
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-news__faq-item[open] .page-news__faq-answer {
  max-height: 500px; /* Sufficiently large for content */
  padding-top: 10px;
}

.page-news__faq-item[open] .page-news__faq-toggle {
  content: '−';
}

/* CTA Bottom Section */
.page-news__cta-bottom-section {
  text-align: center;
}

.page-news__cta-bottom-content {
  background-color: var(--deep-red-color);
  padding: 50px 30px;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  color: var(--text-main-color);
}

.page-news__cta-bottom-section .page-news__section-title {
  color: var(--text-main-color);
}

.page-news__cta-bottom-section .page-news__paragraph {
  color: var(--light-text-color);
}

.page-news__cta-bottom-section .page-news__button-group {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
  .page-news__hero-content {
    margin-top: -80px;
    padding: 30px 20px;
  }

  .page-news__main-title {
    font-size: clamp(2em, 4.5vw, 3em);
  }

  .page-news__section-title {
    font-size: 2em;
  }

  .page-news__content-columns {
    flex-direction: column;
  }

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

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-news__hero-section {
    padding-top: 10px !important;
  }

  .page-news__hero-image {
    max-height: 300px !important;
  }

  .page-news__hero-content {
    margin-top: -60px !important;
    padding: 25px 15px !important;
  }

  .page-news__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em) !important;
    margin-bottom: 15px !important;
  }

  .page-news__hero-description {
    font-size: 1em !important;
    margin-bottom: 20px !important;
  }

  .page-news__section {
    padding: var(--section-padding-mobile) !important;
  }

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

  .page-news__section-title {
    font-size: 1.8em !important;
    margin-bottom: 30px !important;
  }

  .page-news__paragraph {
    font-size: 1em !important;
  }

  /* 通用图片与容器 */
  .page-news img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-news__section,
  .page-news__news-card,
  .page-news__faq-item,
  .page-news__cta-bottom-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-news__content-image {
    margin: 20px auto !important;
  }

  /* 按钮与按钮容器 */
  .page-news__cta-button,
  .page-news__btn-primary,
  .page-news__btn-secondary,
  .page-news a[class*="button"],
  .page-news a[class*="btn"],
  .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;
    margin-left: 0 !important; /* Reset margin for stacked buttons */
    margin-bottom: 10px; /* Add spacing between stacked buttons */
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-news__cta-bottom-section .page-news__button-group {
    flex-direction: column !important;
    gap: 10px !important;
    padding: 0 15px;
  }

  .page-news__button-group {
    margin-top: 30px !important;
  }

  /* 产品展示图区域 (News Grid) */
  .page-news__news-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-news__news-card {
    margin-bottom: 0 !important; /* Spacing handled by grid gap */
  }

  .page-news__card-image {
    height: 180px !important;
  }

  .page-news__card-content {
    padding: 20px !important;
  }

  .page-news__card-title {
    font-size: 1.2em !important;
  }

  /* 其他内容模块 */
  .page-news__column-title {
    font-size: 1.5em !important;
    margin-bottom: 15px !important;
  }

  .page-news__faq-question {
    font-size: 1.1em !important;
    padding: 15px !important;
  }

  .page-news__faq-answer {
    font-size: 1em !important;
    padding: 0 15px 15px !important;
  }

  .page-news__cta-bottom-content {
    padding: 40px 20px !important;
  }

  .page-news__cta-bottom-section .page-news__section-title {
    font-size: 1.8em !important;
  }
}