.page-news {
  --news-sidebar-w: 280px;
  --news-radius: 20px;
  --news-shadow: 0 2px 10px rgba(26, 26, 46, 0.06);
  --news-shadow-hover: 0 16px 40px rgba(10, 31, 68, 0.14);
}

/* 面包屑 */
.page-news .breadcrumb {
  padding-block: 18px 6px;
  font-size: 13px;
  color: var(--c-gray);
}

.page-news .breadcrumb__link {
  color: var(--c-gray);
  text-decoration: none;
  transition: color 0.2s;
}

.page-news .breadcrumb__link:hover {
  color: var(--c-gold);
}

.page-news .breadcrumb__item + .breadcrumb__item::before {
  content: "⁄";
  margin: 0 8px;
  color: var(--c-goldgray);
}

/* 首屏 */
.page-news .news-hero {
  background: var(--c-navy);
  color: var(--c-white);
  margin-top: 8px;
  padding-block: 48px 40px;
}

.page-news .news-hero__inner {
  display: grid;
  gap: 36px;
}

.page-news .news-hero .section__kicker {
  color: var(--c-gold-soft);
  letter-spacing: 0.08em;
}

.page-news .news-hero h1 {
  font-family: var(--font-sans);
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 12px 0 20px;
  max-width: 16em;
}

.page-news .news-hero__lead {
  color: rgba(255, 255, 255, 0.84);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  max-width: 48em;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
}

.page-news .news-hero__stats div {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(201, 162, 39, 0.28);
  border-radius: var(--radius-md);
  padding: 14px 10px;
}

.page-news .news-hero__stats dt {
  color: var(--c-gold-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.page-news .news-hero__stats dd {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
}

/* 最新文章区 */
.page-news .news-articles {
  padding-block: 64px;
}

.page-news .news-articles .section__head {
  margin-bottom: 36px;
  max-width: 680px;
}

.page-news .news-articles .section__kicker {
  color: var(--c-gray);
}

.page-news .news-articles .section__title {
  margin-bottom: 12px;
}

.page-news .news-articles__layout {
  display: grid;
  gap: 32px;
}

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

/* 侧边栏 */
.page-news .news-sidebar {
  display: grid;
  gap: 28px;
  align-content: start;
}

.page-news .news-sidebar__label {
  color: var(--c-gray);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.page-news .news-sidebar__index ol {
  display: grid;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-sidebar__index a {
  align-items: center;
  background: var(--c-white);
  border-radius: 14px;
  color: var(--c-ink);
  display: flex;
  font-size: 14px;
  gap: 12px;
  justify-content: space-between;
  line-height: 1.5;
  padding: 10px 14px;
  text-decoration: none;
  transition: box-shadow 0.2s, transform 0.2s;
}

.page-news .news-sidebar__index a:hover {
  box-shadow: var(--news-shadow);
  transform: translateX(2px);
}

.page-news .news-sidebar__index-no {
  color: var(--c-gold);
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: nowrap;
}

.page-news .news-sidebar__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-sidebar .tabs__btn {
  background: var(--c-white);
  border: 1px solid var(--c-goldgray);
  border-radius: var(--radius-pill);
  color: var(--c-gray);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 8px 16px;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.page-news .news-sidebar .tabs__btn:hover {
  border-color: var(--c-navy);
  color: var(--c-navy);
}

.page-news .news-sidebar .tabs__btn[aria-selected="true"] {
  background: var(--c-navy);
  border-color: var(--c-navy);
  color: var(--c-white);
}

/* 文章列表 */
.page-news .news-list {
  min-width: 0;
}

.page-news .news-list__grid {
  display: grid;
  gap: 20px;
}

.page-news .news-card {
  background: var(--c-white);
  border-radius: var(--news-radius);
  box-shadow: var(--news-shadow);
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
}

.page-news .news-card:hover {
  box-shadow: var(--news-shadow-hover);
  transform: translateY(-3px);
}

.page-news .news-card--featured {
  display: grid;
  grid-template-columns: 1fr;
}

.page-news .news-card__image {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.page-news .news-card__body {
  display: grid;
  gap: 12px;
  padding: 22px 22px 20px;
}

.page-news .news-card__topline {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .news-card__no {
  align-items: center;
  background: var(--c-paper);
  border-radius: 10px;
  color: var(--c-gold);
  display: flex;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  height: 36px;
  justify-content: center;
  width: 36px;
}

.page-news .news-card__tag {
  background: var(--c-gold-soft);
  border-radius: var(--radius-pill);
  color: var(--c-navy);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 12px;
}

.page-news .news-card h3 {
  color: var(--c-ink);
  font-size: 20px;
  line-height: 1.4;
  margin: 0;
}

.page-news .news-card p {
  color: var(--c-gray);
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

.page-news .news-card__meta {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-top: 4px;
}

.page-news .news-card__date {
  color: var(--c-goldgray);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-news .news-card__link {
  border-bottom: 1px solid var(--c-gold);
  color: var(--c-navy);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding-bottom: 2px;
  text-decoration: none;
  transition: color 0.2s;
}

.page-news .news-card__link:hover {
  color: var(--c-gold);
}

.page-news .news-card--plain {
  padding: 24px;
}

.page-news .news-card--plain .news-card__body {
  padding: 0;
}

.page-news .news-list__footer {
  margin-top: 28px;
  text-align: center;
}

.page-news .news-list__footer .btn--ghost {
  border-color: var(--c-goldgray);
  color: var(--c-navy);
}

.page-news .news-list__footer .btn--ghost:hover {
  background: var(--c-navy);
  border-color: var(--c-navy);
  color: var(--c-white);
}

/* 更新批次 */
.page-news .news-timeline-section {
  color: var(--c-white);
  padding-block: 72px 80px;
}

.page-news .news-timeline-section .section__kicker {
  color: var(--c-gold-soft);
}

.page-news .news-timeline-section .section__lead {
  color: rgba(255, 255, 255, 0.76);
  max-width: 52em;
}

.page-news .news-timeline__image {
  border-radius: var(--radius-lg);
  display: block;
  height: auto;
  margin: 40px 0 52px;
  width: 100%;
}

.page-news .news-timeline {
  display: grid;
  gap: 0;
  list-style: none;
  margin: 0;
  max-width: 680px;
  padding: 0;
}

.page-news .news-timeline__item {
  border-left: 2px solid rgba(255, 255, 255, 0.16);
  padding: 0 0 36px 28px;
  position: relative;
}

.page-news .news-timeline__item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-news .news-timeline__item::before {
  background: var(--c-gold);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.2);
  content: "";
  height: 12px;
  left: -7px;
  position: absolute;
  top: 4px;
  width: 12px;
}

.page-news .news-timeline__batch {
  color: var(--c-gold-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-news .news-timeline__item h3 {
  color: var(--c-white);
  font-size: 18px;
  margin: 6px 0 6px;
}

.page-news .news-timeline__item p {
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* 热门标签 */
.page-news .news-tags-section {
  padding-block: 64px;
}

.page-news .news-tags-section .section__head {
  margin-bottom: 32px;
  max-width: 680px;
}

.page-news .news-tags-section .section__kicker {
  color: var(--c-gray);
}

.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-tags__item {
  background: var(--c-paper);
  border: 1px solid var(--c-mist);
  border-radius: var(--radius-pill);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 18px;
  text-decoration: none;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.page-news .news-tags__item:hover {
  background: var(--c-navy);
  border-color: var(--c-navy);
  color: var(--c-white);
}

/* 桌面端 */
@media (min-width: 760px) {
  .page-news .news-card--featured {
    grid-template-columns: 260px 1fr;
  }

  .page-news .news-card--featured .news-card__image {
    border-radius: var(--news-radius) 0 0 var(--news-radius);
  }

  .page-news .news-card__body {
    padding: 24px 26px;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero {
    padding-block: 72px 64px;
  }

  .page-news .news-hero__inner {
    align-items: end;
    grid-template-columns: 1fr 320px;
    gap: 48px;
  }

  .page-news .news-hero__stats div {
    padding: 16px 18px;
  }

  .page-news .news-articles {
    padding-block: 80px;
  }

  .page-news .news-articles__layout {
    align-items: start;
    gap: 48px;
    grid-template-columns: var(--news-sidebar-w) 1fr;
  }

  .page-news .news-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .news-sidebar__tabs {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-news .news-sidebar .tabs__btn {
    text-align: left;
  }

  .page-news .news-list__grid {
    gap: 24px;
  }
}

/* 动效可访问性 */
@media (prefers-reduced-motion: no-preference) {
  .page-news .news-hero__content {
    animation: page-news-fade-in 0.3s ease-out;
  }
}

@keyframes page-news-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}