/* News Detail Page Styles */
/* 
  REM计算说明：
  - 桌面端（>900px）: 基于1920px设计稿，1rem = 100px * (当前宽度/1920)
  - 移动端（≤900px）: 基于750px设计稿，1rem = 100px * (当前宽度/750)
*/

/* 基础样式重置 */
.news-detail-page {
  background-color: var(--color-white);
  color: var(--color-black);
  line-height: 1.6;
}

/* 确保页面有顶部导航的空间 */
.news-detail-page .news-detail-main {
  margin-top: 0;
}

.newsDetail{padding-top: 2.18rem;}
.newsDetail::before{height: 12.36rem; width: 100%; content: '';position: absolute; top: 0; left: 0; background-color: var(--color-black);}
.newsDetail .news-detail-main {
  width: 100%;
  position: relative;
}

/* 返回新闻按钮 - 左上角 */
.newsDetail .back-button-container {
  width: 73%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.newsDetail .back-button {
  color: var(--color-white);
  padding: 0.18rem 0.48rem;
  font-size: var(--font-size-1);
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  border: 1px solid var(--color-white);
  position: relative;
  z-index: 1;
}

.newsDetail .back-button:hover {
  background: var(--color-white);
  color: var(--color-black);
  transform: translateY(-0.02rem);
}

.newsDetail .back-button img {
  width: 0.16rem;
  height: 0.16rem;
  filter: brightness(0) invert(1);
}


.newsDetail .share-button {
  display: flex;
  align-items: center;
  gap: 0.08rem;
  color: var(--color-white);
  padding: 0.15rem 0.25rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: lowercase;
}

.newsDetail .share-button:hover {
  transform: translateY(-0.02rem);
}

.newsDetail .share-button svg {
  width: 0.16rem;
  height: 0.16rem;
}

/* 主要内容区域 */
.newsDetail .news-detail-main {
  width: 100%;
  position: relative;
}


.newsDetail .hero-image-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  text-align: center;
  z-index: 1;
}

.newsDetail .hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}


/* 英雄区域内容 - 覆盖在图片上方 */
.newsDetail .hero-content {
  width: 73%;
  margin: 0 auto;
  color: var(--color-white);
  position: relative;
  z-index: 1;
  padding-top: 0.8rem;

}

.newsDetail .article-meta {
  padding-top: 0.72rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-2);
}
.newsDetail .article-date {
  color: var(--color-yellow);
  display: flex;
  align-items: center;

}
.newsDetail .article-title {
  font-size: var(--font-size-14);
  line-height: 0.7rem;
  margin: 0;
  text-shadow: 0 0.08rem 0.24rem rgba(0, 0, 0, 0.8);
  letter-spacing: -0.01rem;
}

/* 文章内容 */
.newsDetail .article-content {
  background-color: var(--color-white);
  position: relative;
  z-index: 4;
  margin: 0 auto;
  padding: 1.16rem 0 0;
  width: 73%;
  font-size: var(--font-size-3);
  line-height: 0.4rem;
}
.newsDetail .article-content p{
  margin-bottom: 0.34rem; /* 段落间距 */
  text-indent: 2em; /* 段落首字符缩进 */
  text-align: justify;
  /* margin-bottom: 0.74rem; */
}

.newsDetail .article-content img {
  max-width: 100%;
  height: auto;
  margin: auto;
  margin-bottom: 0.74rem;
  margin-left: -2em;
}

/* 底部返回新闻按钮 */
.newsDetail .back-to-news-section {
  text-align: center;
  margin: 1.17rem 0 1.02rem;
}

.newsDetail .back-to-news-btn {
  background: transparent;
  border: 0.02rem solid var(--color-black);
  color: var(--color-black);
  padding: 0.17rem 0.55rem;
  font-size: var(--font-size-1);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  border-radius: 0.04rem;
  font-family: 'SOURCEHANSANSCN-MEDIUM', sans-serif;
}

.newsDetail .back-to-news-btn:hover {
  background: var(--color-black);
  color: var(--color-white);
  transform: translateY(-0.02rem);
}

/* 滚动时的状态类 */
.newsDetail .hero-section.scrolled .hero-image {
  transform: scale(1.1);
}

.newsDetail .article-image-container.visible .article-image {
  opacity: 1;
  transform: scale(1);
}

/* 移动端适配 */
@media (max-width: 900px) {

  .newsDetail{
    padding-top: 2.21rem;
  }
  .newsDetail .back-button-container{
    width: 92%;
  }
  .newsDetail .back-button{font-size: var(--font-size-4);}
  .newsDetail .hero-content {
    width: 92%;
    padding-top: 1.13rem;
  }
  .newsDetail .article-meta{
    padding-top: 0.82rem;
    font-size: var(--font-size-2);
  }
  .newsDetail .hero-image-container {
  }
  .newsDetail .share-button img{width: 0.33rem;}
  .newsDetail .article-title {
    font-size: var(--font-size-12);
    line-height: 1.3;
  }
  .newsDetail::before{
    height: 11.24rem;
  }
  /* 移动端文章内容适配 */
  .newsDetail .article-content {
    width: 92%;
    font-size: var(--font-size-2);
    padding: 1.12rem 0 0;
    line-height: 0.48rem;
    text-align: justify;
  }
  .newsDetail .article-content p{
    margin-bottom: 0.70rem;
  }





}

/* 平滑滚动 */
/* html {
  scroll-behavior: smooth;
} */

/* 辅助功能 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .scroll-hint-arrow {
    animation: none;
  }
}