.page-news {
  --news-rail: 216px;
  --news-hairline: rgba(138, 106, 40, 0.42);
  --news-hairline-soft: rgba(91, 100, 122, 0.35);
  padding-bottom: var(--gap-xl);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 3vw, 36px) 0 clamp(30px, 4vw, 56px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 18% 0 14% 40%;
  z-index: 0;
  background: linear-gradient(158deg, var(--night) 0%, rgba(7, 18, 41, 0.2) 78%);
  border-left: 2px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 13% 100%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--gap-m);
  margin-top: 24px;
}

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

.page-news .news-hero__copy .t-h1 {
  margin: 10px 0 0;
}

.page-news .news-hero__copy .lead {
  margin: 18px 0 0;
  max-width: 36em;
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  margin: 30px 0 0;
  padding-top: 22px;
  border-top: 2px solid var(--steel);
}

.page-news .news-stat {
  min-width: 116px;
}

.page-news .news-stat dt {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .news-stat dd {
  margin: 6px 0 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
  font-family: var(--sans);
}

.page-news .news-stat dd .num {
  font-family: var(--mono);
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-news .news-hero__media {
  margin: 0;
  min-width: 0;
}

/* ---------- 通用区块间距 ---------- */
.page-news .news-log,
.page-news .news-cats,
.page-news .news-series,
.page-news .news-archive {
  margin-top: 68px;
}

.page-news .rule {
  margin-top: 48px;
}

/* ---------- 本期速览 ---------- */
.page-news .news-log__media {
  margin: 26px 0 34px;
}

.page-news .media-frame--3x2 {
  aspect-ratio: 3 / 2;
}

.page-news .news-log__grid {
  display: grid;
  gap: 26px;
  margin-top: 8px;
}

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

.page-news .news-log__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.page-news .filter-btn {
  font: inherit;
  font-size: 14px;
  line-height: 1.3;
  padding: 9px 14px;
  color: var(--mist);
  background: rgba(14, 33, 68, 0.65);
  border: 2px solid var(--steel);
  cursor: pointer;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .filter-btn:hover {
  color: var(--paper);
  border-color: var(--gold-dim);
}

.page-news .filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
  font-weight: 700;
}

.page-news .filter-btn:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

.page-news .filter-count {
  margin: 12px 0 0;
}

.page-news .news-log__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--gold);
  min-width: 0;
  transition: opacity 0.18s var(--ease);
}

.page-news .news-log__grid.is-fading .news-log__list,
.page-news .news-log__list.is-fading {
  opacity: 0.3;
}

.page-news .log-item {
  display: grid;
  gap: 10px;
  padding: 24px 0;
  border-bottom: 1px solid var(--news-hairline);
}

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

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

.page-news .log-item__main {
  min-width: 0;
}

.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.page-news .log-item__title {
  margin: 12px 0 0;
}

.page-news .log-item__desc {
  margin: 10px 0 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-news .log-item__more {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--steel);
}

.page-news .log-item__more summary {
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-news .log-item__more summary:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

.page-news .log-item__more p {
  margin: 10px 0 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 按栏目浏览 ---------- */
.page-news .news-cats__grid {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}

.page-news .cat-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px 22px;
  background: var(--night);
  border: 2px solid var(--steel);
  border-top: 3px solid var(--gold-dim);
  box-shadow: var(--shadow-hard);
}

.page-news .cat-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .cat-panel__index {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold-dim);
}

.page-news .cat-panel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
  max-width: 38em;
}

.page-news .cat-panel__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  border-top: 1px solid var(--news-hairline);
}

.page-news .cat-panel__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--news-hairline-soft);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .cat-panel__list li:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-news .cat-panel__list .date {
  flex: 0 0 82px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series__scroller {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 84vw);
  gap: 18px;
  margin-top: 28px;
  padding: 6px 2px 20px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-color: var(--gold-dim) rgba(23, 50, 95, 0.6);
  scrollbar-width: thin;
}

.page-news .news-series__scroller::-webkit-scrollbar {
  height: 8px;
}

.page-news .news-series__scroller::-webkit-scrollbar-track {
  background: rgba(23, 50, 95, 0.55);
}

.page-news .news-series__scroller::-webkit-scrollbar-thumb {
  background: var(--gold-dim);
}

.page-news .news-series__scroller:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 4px;
}

.page-news .series-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px;
  background: linear-gradient(180deg, rgba(23, 50, 95, 0.6), rgba(7, 18, 41, 0.92));
  border: 2px solid var(--steel);
  border-top: 3px solid var(--gold);
}

.page-news .series-card__index {
  margin: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .series-card__title {
  margin: 0;
}

.page-news .series-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .series-card__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  border-top: 1px solid var(--news-hairline);
}

.page-news .series-card__list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--news-hairline-soft);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .series-card__list li:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-news .series-card__list .date {
  flex: 0 0 78px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold);
}

.page-news .news-series__media {
  margin: 26px 0 0;
}

/* ---------- 归档说明 ---------- */
.page-news .news-archive__grid {
  display: grid;
  gap: 30px;
  margin-top: 28px;
}

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

.page-news .news-archive__lead {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-news .news-archive__steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-news .news-archive__steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--news-hairline);
}

.page-news .news-archive__steps .num {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .news-archive__steps .t-h3 {
  margin: 0;
}

.page-news .news-archive__steps p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-archive__media {
  margin: 0;
}

/* ---------- 尾段 ---------- */
.page-news .news-tail {
  display: grid;
  gap: 16px;
  margin-top: 72px;
  padding: 26px 22px;
  background: rgba(14, 33, 68, 0.55);
  border: 2px solid var(--steel);
  box-shadow: var(--shadow-hard);
}

.page-news .news-tail .t-h3 {
  margin: 0;
}

.page-news .news-tail__text {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-series__scroller {
    grid-auto-columns: minmax(280px, 300px);
  }

  .page-news .cat-panel {
    padding: 28px 26px 24px;
  }
}

@media (min-width: 760px) {
  .page-news .news-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 24px;
  }

  .page-news .cat-panel:nth-child(even) {
    margin-top: 34px;
  }

  .page-news .log-item {
    grid-template-columns: 98px minmax(0, 1fr);
    gap: 28px;
    padding: 28px 0;
  }

  .page-news .log-item__time {
    text-align: right;
    padding-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .news-log__grid {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

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

  .page-news .filter-btn {
    text-align: left;
  }

  .page-news .news-archive__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-log,
  .page-news .news-cats,
  .page-news .news-archive {
    margin-top: 92px;
  }

  .page-news .news-series {
    margin-top: 108px;
  }

  .page-news .news-tail {
    margin-top: 96px;
    padding: 32px 30px;
  }
}

@media (min-width: 1120px) {
  .page-news .news-hero::before {
    inset: 14% 0 12% 46%;
  }

  .page-news .news-log__media {
    max-width: 880px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-btn,
  .page-news .news-log__list {
    transition: none;
  }
}