/* ============================================================
   优科生物官网 - 资讯中心样式（列表页 + 详情页共用）
   依赖：css/global.css（提供 CSS 变量、.container、.icon、导航与页脚样式）
   ============================================================ */

/* ---------- 页面横幅 ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 48px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb__sep {
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb__current {
  color: #fff;
}

.page-hero__title {
  color: #fff;
  font-size: 34px;
  line-height: 1.3;
  margin-bottom: 8px;
}

.page-hero__desc {
  color: rgba(255, 255, 255, 0.9);
}

.page-hero__keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-hero__keyword {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 13px;
}

/* ---------- 主体容器 ---------- */
.news-layout {
  padding: 48px 0 72px;
}

/* ---------- 搜索框 ---------- */
.news-search {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 560px;
  margin-bottom: 24px;
}

.news-search__input {
  flex: 1;
  min-width: 0;
  height: 44px;
  padding: 0 18px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--color-text);
  background: #fff;
  outline: none;
  transition: border-color 0.2s;
}

.news-search__input::placeholder {
  color: var(--color-text-secondary);
}

.news-search__input:focus {
  border-color: var(--color-primary);
}

.news-search__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  height: 44px;
  padding: 0 22px;
  border: none;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.news-search__btn:hover {
  background: var(--color-primary-dark);
}

/* ---------- 分类筛选 ---------- */
.news-filter {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.news-filter__label {
  color: var(--color-text-secondary);
  font-size: 14px;
}

.news-filter__link {
  display: inline-flex;
  align-items: center;
  padding: 7px 18px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 14px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.news-filter__link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.news-filter__link.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.news-filter--keyword {
  margin-top: -16px;
}

.news-filter__clear {
  color: var(--color-text-secondary);
  font-size: 13px;
}

.news-filter__clear:hover {
  color: var(--color-primary);
}

/* ---------- 文章列表 ---------- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  display: flex;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.news-item__date {
  flex-shrink: 0;
  width: 82px;
  height: 82px;
  border-radius: 10px;
  background: var(--color-bg-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.news-item__day {
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
}

.news-item__ym {
  font-size: 12px;
  margin-top: 6px;
  color: var(--color-text-secondary);
}

.news-item__body {
  flex: 1;
  min-width: 0;
}

.news-item__title {
  font-size: 20px;
  line-height: 1.5;
  margin-bottom: 10px;
}

.news-item__title a {
  color: var(--color-text);
}

.news-item__title a:hover {
  color: var(--color-primary);
}

.news-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 10px;
}

.news-item__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.news-item__meta-item svg {
  color: var(--color-primary-light);
}

.news-item__tag {
  display: inline-block;
  padding: 1px 10px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.7;
}

.news-item__tag--category {
  background: #e6f4ec;
  color: var(--color-primary);
}

.news-item__tag--top {
  background: #ffe8eb;
  color: var(--color-danger);
  padding: 2px 4px;
  border-radius: 4px;
  border: 1px solid var(--color-danger);
}

.news-item__desc {
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 空状态 ---------- */
.empty-state {
  text-align: center;
  padding: 64px 20px;
  color: var(--color-text-secondary);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
}

.empty-state svg {
  color: var(--color-primary-light);
  margin-bottom: 16px;
}

.empty-state__title {
  font-size: 18px;
  color: var(--color-text);
  margin-bottom: 8px;
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 36px;
}

.page-link {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text);
  font-size: 14px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

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

.page-link.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.page-link.is-disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ---------- 列表页布局（主内容 + 右侧栏） ---------- */
.news-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
}

.news-layout-main {
  min-width: 0;
}

/* ---------- 详情页 ---------- */
.news-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
}

.news-detail-main {
  min-width: 0;
}

.article-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.article-title {
  font-size: 32px;
  line-height: 1.4;
  margin-bottom: 18px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta svg {
  color: var(--color-primary-light);
}

.article-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  padding: 8px 18px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-primary);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.article-share-btn:hover {
  background: var(--color-primary);
  color: #fff;
}

.article-share-btn svg {
  color: currentColor;
}

.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.article-content p {
  margin-bottom: 16px;
}

.article-content p:last-child {
  margin-bottom: 0;
}

/* 标题 */
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.4;
  margin: 32px 0 16px;
}

.article-content h1 {
  font-size: 24px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
}

.article-content h2 {
  font-size: 22px;
}

.article-content h3 {
  font-size: 19px;
}

.article-content h4 {
  font-size: 17px;
  color: var(--color-primary);
}

.article-content h5,
.article-content h6 {
  font-size: 16px;
}

/* 强调 */
.article-content strong {
  font-weight: 600;
}

.article-content em {
  font-style: italic;
}

/* 链接 */
.article-content a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px dashed var(--color-primary);
  transition: color 0.2s, border-color 0.2s;
}

.article-content a:hover {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary-dark);
}

/* 列表 */
.article-content ul,
.article-content ol {
  margin: 16px 0 20px 24px;
  padding: 0;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin-bottom: 8px;
  line-height: 1.9;
}

.article-content li > ul,
.article-content li > ol {
  margin-top: 8px;
  margin-bottom: 8px;
}

/* 引用 */
.article-content blockquote {
  margin: 20px 0;
  padding: 14px 20px;
  background: var(--color-bg-soft);
  border-left: 4px solid var(--color-primary);
  color: var(--color-text-secondary);
  border-radius: 0 8px 8px 0;
}

.article-content blockquote p {
  margin-bottom: 0;
}

/* 行内代码 */
.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  background: var(--color-bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
  color: #d6336c;
  border: 1px solid var(--color-border);
}

/* 代码块 */
.article-content pre {
  background: #1a1a2e;
  color: #e8e8e8;
  padding: 16px 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 20px 0;
  font-size: 13px;
  line-height: 1.6;
}

.article-content pre code {
  background: transparent;
  border: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

/* 图片 */
.article-content img {
  max-width: 100%;
  height: auto;
  margin: 16px auto;
  border-radius: 8px;
  display: block;
}

/* 分隔线 */
.article-content hr {
  border: none;
  border-top: 1px dashed var(--color-border);
  margin: 28px 0;
}

/* 表格 */
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.article-content th,
.article-content td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.article-content th:last-child,
.article-content td:last-child {
  border-right: none;
}

.article-content thead {
  background: var(--color-primary);
  color: #fff;
}

.article-content thead th {
  border-bottom: none;
  border-right-color: rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

.article-content tbody tr:nth-child(even) {
  background: var(--color-bg-soft);
}

.article-content tbody tr:hover {
  background: #e6f4ec;
}

/* 正文转化引导块（article-summary） */
.article-summary {
  font-size: 15px;
  color: #555;
  margin-bottom: 32px;
  padding: 20px 24px;
  margin-top: 32px;
  background: #f8f9fa;
  border-radius: 0;
  border-left: 3px solid var(--color-primary);
  line-height: 1.9;
}

.article-summary strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* ---------- 详情页右侧栏 ---------- */
.news-sidebar {
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.sidebar-widget__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
}

.sidebar-empty {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.sidebar-recent {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-recent__item {
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
}

.sidebar-recent__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-recent__link {
  display: block;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.6;
  transition: color 0.2s;
}

.sidebar-recent__link:hover {
  color: var(--color-primary);
}

.sidebar-recent__date {
  display: block;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sidebar-tag {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.sidebar-tag:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: #e6f4ec;
}

/* 侧栏：资讯分类导航 */
.sidebar-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-cats__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--color-text);
  transition: background 0.2s, color 0.2s;
}

.sidebar-cats__link:hover {
  background: #e6f4ec;
  color: var(--color-primary);
}

.sidebar-cats__link.is-active {
  background: var(--color-primary);
  color: #fff;
}

.sidebar-cats__name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-cats__count {
  flex-shrink: 0;
  min-width: 22px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--color-bg-soft);
  color: var(--color-text-secondary);
  font-size: 12px;
  line-height: 20px;
  text-align: center;
}

.sidebar-cats__link:hover .sidebar-cats__count {
  color: var(--color-primary);
}

.sidebar-cats__link.is-active .sidebar-cats__count {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* 分类导航响应式：桌面端显示侧栏分类、隐藏顶部条；移动端相反 */
@media (max-width: 991px) {
  .sidebar-widget--desktop-only {
    display: none;
  }
}

@media (min-width: 992px) {
  .news-filter--mobile-only {
    display: none;
  }
}

/* 版权声明 */
.article-copyright {
  margin-top: 40px;
  padding: 14px 18px;
  background: var(--color-bg-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.article-copyright strong {
  color: var(--color-text);
}

/* 上一篇 / 下一篇 */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
}

.article-nav__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: box-shadow 0.2s;
}

.article-nav__item:hover {
  box-shadow: var(--shadow-sm);
}

.article-nav__item--next {
  text-align: right;
}

.article-nav__label {
  display: block;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.article-nav__title a {
  color: var(--color-text);
}

.article-nav__title a:hover {
  color: var(--color-primary);
}

/* 相关资讯（列表条目式，与资讯列表页条目风格统一） */
.related {
  margin-top: 56px;
}

.related__title {
  font-size: 24px;
  margin-bottom: 24px;
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.related-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}

.related-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
}

.related-item__date {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 8px;
  background: var(--color-bg-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.related-item__day {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
}

.related-item__ym {
  font-size: 11px;
  margin-top: 4px;
  color: var(--color-text-secondary);
}

.related-item__body {
  flex: 1;
  min-width: 0;
}

.related-item__title {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-item__title a {
  color: var(--color-text);
}

.related-item__title a:hover {
  color: var(--color-primary);
}

.related-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.related-item__tag {
  display: inline-block;
  padding: 1px 10px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.7;
  background: #e6f4ec;
  color: var(--color-primary);
}

.related-item__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.related-item__meta-item svg {
  color: var(--color-primary-light);
}

.related-item__arrow {
  flex-shrink: 0;
  display: inline-flex;
  color: var(--color-text-secondary);
  transition: color 0.2s, transform 0.2s;
}

.related-item:hover .related-item__arrow {
  color: var(--color-primary);
  transform: translateX(3px);
}

/* 分享二维码弹窗 */
.share-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}

.share-modal.is-open {
  display: flex;
}

.share-modal__mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.share-modal__box {
  position: relative;
  width: 360px;
  max-width: 92vw;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.share-modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.share-modal__title {
  font-size: 18px;
}

.share-modal__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
}

.share-modal__close:hover {
  color: var(--color-text);
}

.share-modal__body {
  padding: 24px 20px;
  text-align: center;
}

.share-modal__qr {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}

.share-modal__qr svg {
  display: block;
}

.share-modal__tip {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.share-modal__url {
  margin-top: 8px;
  font-size: 13px;
  color: var(--color-primary);
  word-break: break-all;
}

.share-modal__error {
  color: var(--color-text-secondary);
  font-size: 14px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 991px) {
  .news-detail-layout {
    grid-template-columns: 1fr;
  }

  .news-layout-grid {
    grid-template-columns: 1fr;
  }

  .news-sidebar {
    position: static;
  }
}

@media (max-width: 767px) {
  .page-hero {
    padding: 40px 0;
  }

  .page-hero__title {
    font-size: 28px;
  }

  .news-layout {
    padding: 32px 0 56px;
  }

  .news-item {
    gap: 16px;
    padding: 20px;
  }

  .news-item__date {
    width: 64px;
    height: 64px;
  }

  .news-item__day {
    font-size: 22px;
  }

  .news-item__title {
    font-size: 17px;
  }

  .article-title {
    font-size: 24px;
  }

  .article-content h1 {
    font-size: 22px;
  }

  .article-content h2 {
    font-size: 19px;
  }

  .article-content h3 {
    font-size: 17px;
  }

  .article-content table {
    font-size: 12px;
  }

  .article-content th,
  .article-content td {
    padding: 8px 10px;
  }

  .article-content pre {
    font-size: 12px;
    padding: 12px;
  }

  .article-nav {
    grid-template-columns: 1fr;
  }

  .article-nav__item--next {
    text-align: left;
  }

  .related-item {
    gap: 14px;
    padding: 14px 16px;
  }

  .related-item__date {
    width: 56px;
    height: 56px;
  }

  .related-item__day {
    font-size: 18px;
  }

  .related-item__arrow {
    display: none;
  }
}