.page-news {
  --news-tile-min: 11rem;
}

/* ---------- 首屏 ---------- */
.page-news .topics-hero {
  position: relative;
  isolation: isolate;
  padding-block: var(--space-3) var(--space-5);
  background:
    radial-gradient(120% 85% at 88% 4%, rgba(43, 227, 218, .18), transparent 60%),
    radial-gradient(95% 75% at 4% 100%, rgba(122, 92, 255, .2), transparent 62%),
    var(--deep-sea);
  color: var(--text-inverse);
  overflow: hidden;
}

.page-news .topics-hero .breadcrumbs__link {
  color: rgba(242, 245, 248, .68);
}

.page-news .topics-hero .breadcrumbs__link:hover,
.page-news .topics-hero .breadcrumbs__link:focus-visible {
  color: var(--electric-cyan);
}

.page-news .topics-hero__grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.page-news .topics-hero__kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .06em;
  color: var(--amber-gold);
}

.page-news .topics-hero__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: var(--step-7);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.06;
  color: var(--text-inverse);
}

.page-news .topics-hero__lead {
  margin: 0 0 var(--space-3);
  max-width: 46ch;
  font-size: var(--step-3);
  line-height: 1.85;
  color: rgba(242, 245, 248, .86);
}

.page-news .topics-hero__meta {
  margin: 0 0 var(--space-3);
  padding-left: var(--space-3);
  border-left: 2px solid var(--electric-cyan);
  font-size: var(--step-1);
  line-height: 1.7;
  color: rgba(242, 245, 248, .62);
}

.page-news .topics-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-news .topics-hero__figure {
  margin: 0;
}

.page-news .topics-hero__figure .media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--rule-inverse);
  box-shadow: var(--shadow-lift);
}

.page-news .topics-hero__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .topics-hero__figure .figure__caption {
  margin-top: var(--space-2);
  font-size: var(--step-1);
  line-height: 1.7;
  color: rgba(242, 245, 248, .58);
}

/* ---------- 栏目磁贴 ---------- */
.page-news .tile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-news .tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-height: var(--news-tile-min);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--night-navy);
  border: 1px solid var(--rule-inverse);
  color: var(--text-inverse);
  text-decoration: none;
  overflow: hidden;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}

.page-news .tile::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--tile-accent, var(--electric-cyan));
}

.page-news .tile--a { --tile-accent: var(--electric-cyan); }
.page-news .tile--b { --tile-accent: var(--amber-gold); }
.page-news .tile--c { --tile-accent: var(--violet); }
.page-news .tile--d { --tile-accent: var(--coral); }
.page-news .tile--e { --tile-accent: var(--electric-cyan); }
.page-news .tile--f { --tile-accent: var(--violet); }

.page-news .tile__label {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .08em;
  color: var(--tile-accent, var(--electric-cyan));
}

.page-news .tile__title {
  display: block;
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-inverse);
}

.page-news .tile__desc {
  display: block;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(242, 245, 248, .7);
}

.page-news .tile__count {
  margin-top: auto;
  padding-top: var(--space-2);
  font-size: var(--step-1);
  color: rgba(242, 245, 248, .55);
  transition: color .28s var(--ease);
}

@media (hover: hover) {
  .page-news .tile:hover,
  .page-news .tile:focus-visible {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lift);
    border-color: var(--tile-accent, var(--electric-cyan));
  }

  .page-news .tile:hover .tile__count,
  .page-news .tile:focus-visible .tile__count {
    color: var(--text-inverse);
  }
}

.page-news .tile-figure {
  margin: var(--space-4) 0 0;
  max-width: 34rem;
}

.page-news .tile-figure .media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--rule-inverse);
}

.page-news .tile-figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .tile-figure .figure__caption {
  margin-top: var(--space-2);
  font-size: var(--step-1);
  line-height: 1.7;
  color: rgba(242, 245, 248, .58);
}

/* ---------- 本期上新 & 筛选 ---------- */
.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-block: var(--space-3) var(--space-2);
}

.page-news .filter-bar .filter__btn {
  flex: 0 0 auto;
  padding: .45rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--slate);
  font-family: var(--font-body);
  font-size: var(--step-1);
  line-height: 1.6;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .filter-bar .filter__btn:hover {
  border-color: var(--cyan-ink);
  color: var(--cyan-ink);
}

.page-news .filter-bar .filter__btn[aria-pressed="true"] {
  background: var(--night-navy);
  border-color: var(--night-navy);
  color: var(--paper);
}

.page-news .news-list {
  border-top: 1px solid var(--rule);
}

.page-news .news-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .4rem;
  padding-block: 1.05rem;
  border-bottom: 1px solid var(--rule);
  transition: background-color .2s var(--ease);
}

.page-news .news-row__tag {
  justify-self: start;
  padding: .12rem .62rem;
  border-radius: 999px;
  border: 1px solid rgba(12, 124, 116, .35);
  background: rgba(43, 227, 218, .09);
  color: var(--cyan-ink);
  font-size: var(--step-1);
  line-height: 1.6;
  white-space: nowrap;
}

.page-news .news-row__title {
  font-size: var(--step-3);
  line-height: 1.7;
  color: var(--ink);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-news .news-row__title:hover,
.page-news .news-row__title:focus-visible {
  color: var(--cyan-ink);
}

.page-news .news-row__time {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .04em;
  color: var(--slate);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm-panel {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-news .rhythm-panel__copy p {
  margin: 0 0 var(--space-2);
  max-width: 34rem;
  font-size: var(--step-3);
  line-height: 1.85;
  color: rgba(242, 245, 248, .88);
}

.page-news .rhythm-panel__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .6rem;
  margin-top: var(--space-3) !important;
  font-family: var(--font-mono);
  font-size: var(--step-2) !important;
  letter-spacing: .04em;
  color: var(--amber-gold) !important;
}

.page-news .rhythm-panel__sep {
  color: rgba(242, 245, 248, .38);
}

.page-news .rhythm-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .rhythm-svg__legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin: var(--space-2) 0 0;
  font-size: var(--step-1);
  color: rgba(242, 245, 248, .72);
}

.page-news .rhythm-svg__gap {
  display: inline-block;
  width: var(--space-3);
}

.page-news .rhythm-dot {
  display: inline-block;
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
}

.page-news .rhythm-dot--cyan { background: var(--electric-cyan); }
.page-news .rhythm-dot--amber { background: var(--amber-gold); }

.page-news .rhythm-figure {
  margin: var(--space-4) 0 0;
}

.page-news .rhythm-figure .media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--rule-inverse);
}

.page-news .rhythm-figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 追一个专题 ---------- */
.page-news .path-layout {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-news .path-figure {
  margin: 0;
}

.page-news .path-figure .media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--rule-inverse);
}

.page-news .path-figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .path-list {
  display: grid;
  gap: var(--space-2);
}

.page-news .path-card {
  display: grid;
  gap: .35rem;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--rule-inverse);
  background: rgba(15, 51, 80, .55);
  color: var(--text-inverse);
  text-decoration: none;
  transition: transform .26s var(--ease), border-color .26s var(--ease), background-color .26s var(--ease);
}

.page-news .path-card__label {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .06em;
  color: var(--electric-cyan);
}

.page-news .path-card__title {
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 700;
  color: var(--text-inverse);
}

.page-news .path-card__text {
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(242, 245, 248, .72);
}

.page-news .path-card__go {
  margin-top: .3rem;
  font-size: var(--step-1);
  color: var(--amber-gold);
}

@media (hover: hover) {
  .page-news .path-card:hover,
  .page-news .path-card:focus-visible {
    transform: translateY(-4px);
    border-color: var(--electric-cyan);
    background: rgba(15, 51, 80, .82);
  }
}

/* ---------- 条目速览 ---------- */
.page-news .index-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: var(--space-3);
  border-top: 1px solid var(--rule);
}

.page-news .index-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding-block: .9rem;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  transition: background-color .2s var(--ease), padding-left .2s var(--ease);
}

.page-news .index-item__tag {
  flex: 0 0 auto;
  min-width: 5.2rem;
  font-size: var(--step-1);
  letter-spacing: .02em;
  color: var(--violet-ink);
}

.page-news .index-item:nth-child(even) .index-item__tag {
  color: var(--cyan-ink);
}

.page-news .index-item__name {
  flex: 1 1 auto;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--ink);
}

.page-news .index-item:hover .index-item__name,
.page-news .index-item:focus-visible .index-item__name {
  color: var(--cyan-ink);
}

@media (hover: hover) {
  .page-news .index-item:hover,
  .page-news .index-item:focus-visible {
    background: rgba(15, 51, 80, .05);
    padding-left: .6rem;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .tile-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-3);
    padding-inline: .4rem;
  }

  .page-news .news-row__time {
    grid-column: 1;
    grid-row: 2;
  }

  .page-news .news-row__title {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-news .index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-4);
  }
}

@media (min-width: 900px) {
  .page-news .topics-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: var(--space-5);
    margin-top: var(--space-4);
  }

  .page-news .rhythm-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: center;
    gap: var(--space-5);
  }

  .page-news .path-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: var(--space-5);
  }
}

@media (min-width: 1040px) {
  .page-news .tile-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .tile--a { grid-column: span 5; }
  .page-news .tile--b { grid-column: span 4; }
  .page-news .tile--c { grid-column: span 3; }
  .page-news .tile--d { grid-column: span 3; }
  .page-news .tile--e { grid-column: span 4; }
  .page-news .tile--f { grid-column: span 5; }

  .page-news .tile-figure {
    margin-top: var(--space-3);
  }
}

@media (max-width: 640px) {
  .page-news .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: .6rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .page-news .filter-bar::-webkit-scrollbar {
    height: 4px;
  }

  .page-news .filter-bar::-webkit-scrollbar-thumb {
    background: rgba(11, 17, 22, .18);
    border-radius: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tile,
  .page-news .path-card,
  .page-news .news-row,
  .page-news .index-item,
  .page-news .filter-bar .filter__btn {
    transition: none;
  }

  .page-news .tile:hover,
  .page-news .tile:focus-visible,
  .page-news .path-card:hover,
  .page-news .path-card:focus-visible {
    transform: none;
  }
}