.page-news {
  background: var(--snow);
  color: var(--ink);
}

.page-news .page-head {
  padding-block: clamp(1.6rem, 5vw, 3rem) clamp(1.8rem, 5vw, 3.2rem);
}

.page-news .page-head .h1 {
  margin: .5rem 0 .9rem;
  letter-spacing: -0.02em;
}

.page-news .news-facts {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 2.2rem;
  font-size: var(--fs-note);
  color: var(--grey);
}

.page-news .news-facts .num {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--indigo);
  margin-right: .4rem;
}

/* ---------- 置顶专题 ---------- */
.page-news .topic-feature {
  padding-block: clamp(1.4rem, 4vw, 2.4rem);
}

.page-news .topic-feature__grid {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--wine);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.page-news .topic-feature__media {
  margin: 0;
  overflow: hidden;
}

.page-news .topic-feature__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
}

.page-news .topic-feature__body {
  padding: clamp(1.2rem, 4vw, 2.1rem);
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.page-news .topic-feature__body .h2 {
  margin: 0;
}

.page-news .topic-feature__body p {
  margin: 0;
  line-height: 1.75;
  color: var(--grey);
  max-width: 58ch;
}

.page-news .topic-feature__body .btn {
  align-self: flex-start;
  margin-top: .4rem;
}

@media (min-width: 860px) {
  .page-news .topic-feature__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

/* ---------- 主体布局 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.6rem);
  align-items: start;
}

.page-news .filter-rail__title {
  margin: 0 0 .8rem;
  font-size: var(--fs-note);
  letter-spacing: .18em;
  color: var(--grey);
}

.page-news .filter-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  padding: .45rem .85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--paper);
  color: var(--ink);
  font-size: var(--fs-note);
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.page-news .filter-chip:hover,
.page-news .filter-chip:focus-visible {
  border-color: var(--sky);
  color: var(--sky);
}

.page-news .filter-chip.is-active {
  background: var(--flag-yellow);
  border-color: var(--flag-yellow);
  color: var(--ink);
  font-weight: 700;
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-news .filter-rail {
    position: sticky;
    top: 128px;
    align-self: start;
  }

  .page-news .filter-rail__list {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .filter-chip {
    justify-content: flex-start;
    padding-inline: .95rem;
  }
}

/* ---------- 视图切换 ---------- */
.page-news .view-switch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  margin-bottom: 1.4rem;
}

.page-news .view-switch__label {
  margin: 0;
  font-size: var(--fs-note);
  color: var(--grey);
}

.page-news .tablist {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--paper);
  margin-bottom: 1.6rem;
}

.page-news .tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--grey);
  font-family: inherit;
  font-size: var(--fs-note);
  padding: .42rem 1.05rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}

.page-news .tab[aria-selected="true"] {
  background: var(--sky);
  color: #fff;
  font-weight: 700;
}

.page-news .tab:focus-visible {
  outline: 2px solid var(--flag-yellow);
  outline-offset: 2px;
}

/* ---------- 条目分组 ---------- */
.page-news .news-group,
.page-news #news-feed {
  scroll-margin-top: 132px;
}

.page-news .news-group + .news-group {
  margin-top: clamp(2.2rem, 6vw, 3.6rem);
}

.page-news .news-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .9rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .news-group__num {
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--sky);
}

.page-news .news-group__body {
  min-width: 0;
}

.page-news .news-group__body .h3 {
  margin: 0 0 .22rem;
}

.page-news .news-group__note {
  margin: 0;
  font-size: var(--fs-note);
  color: var(--grey);
  line-height: 1.6;
}

.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .entry {
  position: relative;
  padding: 1.25rem 0 1.25rem 1.6rem;
  border-bottom: 1px solid var(--line);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.72rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--flag-blue);
  box-shadow: 0 0 0 4px rgba(46, 155, 224, .14);
}

.page-news #group-compat .entry::before {
  background: var(--flag-red);
  box-shadow: 0 0 0 4px rgba(210, 69, 59, .14);
}

.page-news #group-topic .entry::before {
  background: var(--flag-green);
  box-shadow: 0 0 0 4px rgba(47, 158, 107, .14);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin: 0 0 .45rem;
}

.page-news .entry__time {
  font-size: var(--fs-note);
  color: var(--grey);
}

.page-news .entry__title {
  margin: 0 0 .4rem;
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-news .entry__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--grey);
  max-width: 62ch;
}

/* ---------- 配图 ---------- */
.page-news .news-figure {
  margin: clamp(1.8rem, 5vw, 2.6rem) 0 0;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.page-news .news-figure--square img {
  max-width: 420px;
}

.page-news .news-figure figcaption {
  margin-top: .6rem;
  font-size: var(--fs-note);
  color: var(--grey);
  line-height: 1.6;
}

/* ---------- 时间线视图 ---------- */
.page-news .tl-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .tl-item {
  position: relative;
  margin-left: 4px;
  padding: 0 0 1.5rem 1.6rem;
  border-left: 1px solid var(--line);
}

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

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: .38rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--flag-yellow);
}

.page-news .tl-item__stage {
  margin: 0 0 .3rem;
  font-size: var(--fs-note);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--sky);
}

.page-news .tl-item__title {
  margin: 0 0 .45rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .tl-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin: 0;
  font-size: var(--fs-note);
  color: var(--grey);
}

/* ---------- 订阅 ---------- */
.page-news .subscribe-band {
  padding-block: clamp(2.4rem, 7vw, 4.4rem);
}

.page-news .subscribe-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.3rem;
  padding: clamp(1.4rem, 4vw, 2.6rem);
  background: var(--indigo);
  border-radius: var(--radius);
  color: #fff;
}

.page-news .subscribe-band__inner .eyebrow {
  color: var(--flag-yellow);
}

.page-news .subscribe-band__inner .h2 {
  margin: .3rem 0 .85rem;
  color: #fff;
}

.page-news .subscribe-band__inner p {
  margin: 0;
  line-height: 1.8;
  color: rgba(255, 255, 255, .84);
  max-width: 52ch;
}

.page-news .subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  align-items: flex-end;
}

@media (min-width: 800px) {
  .page-news .subscribe-band__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 2.4rem;
  }

  .page-news .subscribe-actions {
    justify-content: flex-end;
  }
}

/* ---------- 延伸入口 ---------- */
.page-news .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .next-links li {
  border-bottom: 1px solid var(--line);
}

.page-news .next-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem 0;
  color: var(--ink);
  font-size: .95rem;
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.page-news .next-links a:hover,
.page-news .next-links a:focus-visible {
  color: var(--sky);
  padding-left: .35rem;
}

@media (min-width: 720px) {
  .page-news .next-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 clamp(1.5rem, 4vw, 3rem);
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .filter-chip,
  .page-news .tab,
  .page-news .next-links a {
    transition: none;
  }
}
</main>