/* ========== 页面专属 CSS：.page-news ========== */
.page-news {
  --news-border: 4px;
  --news-shadow: 3px 3px 8px rgba(27, 28, 27, 0.16);
  --news-gap: clamp(1.25rem, 4vw, 2.5rem);
  background: var(--color-cream);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.75;
}

/* 首屏引导区 */
.news-lead {
  background: var(--color-teal);
  color: var(--color-cream);
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 4vw, 3rem);
  position: relative;
  overflow: hidden;
}

.news-lead::before {
  content: "";
  position: absolute;
  right: -3rem;
  top: -3rem;
  width: 14rem;
  height: 14rem;
  border: var(--news-border) solid var(--color-gold);
  border-radius: 50%;
  opacity: 0.18;
  pointer-events: none;
}

.news-lead::after {
  content: "";
  position: absolute;
  right: 4rem;
  bottom: -2rem;
  width: 6rem;
  height: 6rem;
  background: repeating-linear-gradient(135deg, var(--color-gold) 0 4px, transparent 4px 12px);
  opacity: 0.15;
  pointer-events: none;
}

.news-lead-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.news-lead .breadcrumb {
  margin-bottom: 2rem;
  font-size: 0.875rem;
}

.news-lead .breadcrumb a {
  color: var(--color-gold);
}

.news-lead .breadcrumb-current {
  color: var(--color-cream);
  opacity: 0.85;
}

.news-lead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.news-lead-main {
  padding-right: 0;
}

.news-kicker,
.section-kicker {
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
  display: inline-block;
  border-bottom: 2px solid currentColor;
  padding-bottom: 0.25rem;
}

.news-lead h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.75rem, 5vw, 3.25rem);
  line-height: 1.25;
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.news-lead-abstract {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-pale-teal);
  max-width: 38rem;
  margin-bottom: 2rem;
}

.news-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.news-lead-aside {
  display: flex;
  align-items: center;
}

.news-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  width: 100%;
  background: rgba(244, 239, 231, 0.08);
  border: 2px solid rgba(200, 161, 101, 0.5);
  box-shadow: var(--news-shadow);
  padding: 1.25rem;
}

.stat-item {
  padding: 0.75rem 0.5rem;
  text-align: center;
  border-left: 2px solid rgba(200, 161, 101, 0.35);
}

.stat-item:first-child {
  border-left: none;
}

.stat-num {
  display: block;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.75rem);
  color: var(--color-gold);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-pale-teal);
  letter-spacing: 0.06em;
}

/* 主面板：最新发布 + 侧边时间轴 */
.news-panel {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 4vw, 2rem);
}

.news-panel-head {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: var(--news-border) solid var(--color-teal);
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  margin: 0.15rem 0 0.5rem;
  color: var(--color-teal);
  letter-spacing: 0.01em;
}

.section-desc {
  color: var(--color-gray);
  font-size: 0.9375rem;
  max-width: 44rem;
}

.news-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.news-filter-btn {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  background: transparent;
  border: 2px solid var(--color-teal);
  color: var(--color-teal);
  cursor: pointer;
  transition: all 0.2s ease;
}

.news-filter-btn:hover,
.news-filter-btn.is-active {
  background: var(--color-teal);
  color: var(--color-cream);
  box-shadow: 2px 2px 0 rgba(27, 28, 27, 0.2);
}

/* 网格双栏 */
.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

/* 主栏公告列表 */
.news-list-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.news-item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  border-bottom: 1px solid var(--color-earth);
  padding-bottom: 1.5rem;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.news-item[hidden] {
  display: none;
}

.news-thumb {
  position: relative;
}

.news-thumb img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 2px solid var(--color-gold);
  box-shadow: var(--news-shadow);
}

.news-body {
  min-width: 0;
}

.news-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: 0.8125rem;
  color: var(--color-gray);
  margin-bottom: 0.4rem;
}

.news-category {
  font-size: 0.75rem;
  padding: 0.1rem 0.6rem;
}

.news-time {
  font-family: var(--font-accent);
  color: var(--color-earth);
}

.news-anchor {
  font-size: 0.75rem;
  color: var(--color-teal);
  margin-left: auto;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.news-title {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.2vw, 1.375rem);
  font-weight: 700;
  line-height: 1.4;
  margin: 0.25rem 0 0.4rem;
}

.news-title a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

.news-title a:hover {
  color: var(--color-terracotta);
}

.news-excerpt {
  font-size: 0.875rem;
  color: var(--color-gray);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 右侧时间轴侧边栏 */
.news-sidebar {
  position: relative;
  border-left: 3px solid var(--color-gold);
  padding-left: clamp(1rem, 3vw, 1.75rem);
}

.news-timeline-wrap {
  position: relative;
}

.timeline-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.timeline-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.08;
}

.news-timeline-wrap > .section-kicker,
.news-timeline-wrap > .section-title,
.news-timeline-wrap > .section-desc {
  position: relative;
  z-index: 1;
}

.timeline-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 0.65rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-gold), var(--color-teal));
}

.timeline-item {
  position: relative;
  padding-left: calc(1.65rem + 0.5rem);
  margin-bottom: 1.4rem;
}

.timeline-node {
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 2.6rem;
  height: 2.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-accent);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-teal);
  background: var(--color-cream);
  border: 3px solid var(--color-gold);
  box-shadow: 2px 2px 0 rgba(27, 28, 27, 0.15);
  text-decoration: none;
  z-index: 1;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.timeline-node:hover,
.timeline-node:focus-visible {
  background: var(--color-gold);
  color: var(--color-ink);
  transform: translateY(-2px);
}

.timeline-content {
  background: var(--color-pale-teal);
  border: 1px solid rgba(26, 58, 47, 0.35);
  box-shadow: var(--news-shadow);
  padding: 0.85rem 1rem;
}

.timeline-version {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-terracotta);
  font-size: 0.9375rem;
  margin-right: 0.6rem;
}

.timeline-date {
  font-size: 0.75rem;
  color: var(--color-earth);
  font-family: var(--font-accent);
}

.timeline-brief {
  font-size: 0.8125rem;
  color: var(--color-gray);
  margin: 0.25rem 0 0;
}

.timeline-footnote {
  margin-top: 2rem;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
}

.timeline-footnote img {
  width: 4.5rem;
  height: auto;
  border: 2px solid var(--color-gold);
  opacity: 0.75;
}

.vertical-note {
  writing-mode: vertical-rl;
  font-size: 0.75rem;
  color: var(--color-gray);
  letter-spacing: 0.12em;
}

/* 时间轴锚点目标区 */
.timeline-detail-panel {
  background: var(--color-teal);
  color: var(--color-cream);
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 4vw, 2rem);
  scroll-margin-top: 5rem;
}

.timeline-detail-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.timeline-detail-item {
  background: rgba(244, 239, 231, 0.06);
  border: 1px solid rgba(200, 161, 101, 0.35);
  padding: 1.25rem;
  scroll-margin-top: 5rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.timeline-detail-item:target {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 2px var(--color-gold);
}

.timeline-detail-head {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 0.4rem;
}

.detail-seq {
  font-family: var(--font-accent);
  color: var(--color-gold);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.timeline-detail-head h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  margin: 0 0 0.15rem;
  color: var(--color-cream);
}

.detail-version {
  font-size: 0.8125rem;
  color: var(--color-gold);
  opacity: 0.85;
  margin: 0;
}

.timeline-detail-text {
  font-size: 0.875rem;
  color: var(--color-pale-teal);
  margin: 0.4rem 0 0;
}

/* 编辑推荐 */
.news-feature {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 4vw, 2rem);
}

.news-feature-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 1.75rem;
  border: var(--news-border) solid var(--color-teal);
  box-shadow: var(--news-shadow);
  background: var(--color-pale-teal);
}

.feature-image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-bottom: var(--news-border) solid var(--color-gold);
}

.feature-article {
  padding: 0 1.25rem 1.5rem;
}

.feature-article h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  color: var(--color-teal);
  margin: 0.6rem 0 0.5rem;
}

.feature-article p {
  font-size: 0.9375rem;
  color: var(--color-gray);
  max-width: 42rem;
}

.feature-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* 专题系列 */
.news-special {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem) clamp(3rem, 6vw, 5rem);
}

.special-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: var(--news-border) solid var(--color-terracotta);
  padding-bottom: 1rem;
}

.special-index {
  writing-mode: horizontal-tb;
  font-size: 0.75rem;
  color: var(--color-earth);
  white-space: nowrap;
}

.special-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.special-card {
  display: block;
  text-decoration: none;
  background: var(--color-cream);
  border: 3px solid var(--color-teal);
  box-shadow: var(--news-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.special-card:hover {
  transform: translateY(-4px);
  box-shadow: 5px 5px 0 rgba(27, 28, 27, 0.25);
}

.special-card-media {
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--color-gold);
}

.special-card-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.special-no {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-family: var(--font-accent);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-cream);
  background: var(--color-terracotta);
  padding: 0.2rem 0.7rem;
  box-shadow: 2px 2px 0 rgba(27, 28, 27, 0.3);
}

.special-card-body {
  padding: 1.25rem;
}

.special-label {
  font-size: 0.75rem;
  color: var(--color-gold);
  font-family: var(--font-accent);
  letter-spacing: 0.08em;
}

.special-card-body h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 800;
  color: var(--color-teal);
  margin: 0.4rem 0 0.35rem;
}

.special-card-body p {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin: 0 0 0.85rem;
}

.special-more {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-terracotta);
}

.special-more i {
  font-style: normal;
  transition: margin-left 0.2s ease;
}

.special-card:hover .special-more i {
  margin-left: 0.35rem;
}

/* 资讯简报 */
.news-brief {
  background: var(--color-terracotta);
  color: var(--color-cream);
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 4vw, 2rem);
}

.brief-inner {
  max-width: var(--container-width);
  margin: 0 auto;
}

.brief-title-group .section-kicker {
  color: var(--color-cream);
  border-color: var(--color-cream);
}

.brief-title-group .section-title {
  color: var(--color-cream);
}

.brief-lines {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(244, 239, 231, 0.25);
  border: 1px solid rgba(244, 239, 231, 0.25);
  margin-top: 1.5rem;
}

.brief-line {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem;
  background: var(--color-terracotta);
  padding: 1.25rem;
  transition: background 0.2s ease;
}

.brief-line:hover {
  background: #9e3f32;
}

.brief-date {
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  color: var(--color-gold);
  font-weight: 700;
}

.brief-line p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-cream);
  opacity: 0.95;
}

/* ========== 桌面断点 ========== */
@media (min-width: 768px) {
  .news-lead-grid {
    grid-template-columns: 3fr 2fr;
    align-items: stretch;
  }

  .news-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 2rem;
  }

  .news-item {
    grid-template-columns: 8rem 1fr;
    gap: 1.5rem;
  }

  .news-thumb img {
    border-width: 3px;
  }

  .timeline-detail-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-feature-card {
    grid-template-columns: 1.1fr 1fr;
  }

  .feature-image img {
    border-bottom: none;
    border-right: var(--news-border) solid var(--color-gold);
    height: 100%;
    object-fit: cover;
  }

  .special-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }

  .brief-lines {
    grid-template-columns: repeat(3, 1fr);
  }

  .brief-line {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

@media (min-width: 1180px) {
  .news-item {
    grid-template-columns: 9.5rem 1fr;
  }

  .news-excerpt {
    max-width: 42rem;
  }
}

/* ========== 动效与可访问性 ========== */
@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }
}