.page-news {
  --news-tone: var(--cyan);
}

.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(140, 154, 192, .06) 0 1px, transparent 1px 88px),
    radial-gradient(1100px 520px at 82% 8%, rgba(95, 227, 222, .12), transparent 62%),
    radial-gradient(760px 420px at 4% 92%, rgba(59, 42, 90, .5), transparent 68%);
  pointer-events: none;
}

.page-news .news-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  margin-top: clamp(1.4rem, 4vw, 2.6rem);
}

.page-news .news-hero h1 {
  margin: .4rem 0 .9rem;
}

.page-news .news-hero__note {
  margin: 1.2rem 0 0;
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--mist);
}

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

.page-news .news-hero__media .media__frame {
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--teal), var(--chapter) 55%, var(--violet));
}

.page-news .news-hero__media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
  }
}

/* ---------- 本期栏目索引 ---------- */
.page-news .news-index__list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-index__item {
  --tone: var(--cyan);
  position: relative;
  background: var(--chapter);
  padding: clamp(1.15rem, 3vw, 1.7rem);
  display: grid;
  gap: .5rem;
}

.page-news .news-index__item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--tone);
}

.page-news .news-index__item--ops { --tone: var(--cyan); }
.page-news .news-index__item--ver { --tone: var(--amber); }
.page-news .news-index__item--loc { --tone: var(--mist); }

.page-news .news-index__no {
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-news .news-index__item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-news .news-index__item p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--text-soft);
}

@media (min-width: 820px) {
  .page-news .news-index__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 主体双栏 ---------- */
.page-news .split {
  align-items: start;
}

.page-news .sticky-aside {
  position: static;
}

.page-news .news-rail {
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 28, 63, .92), rgba(11, 16, 38, .92));
  padding: 1.25rem;
}

.page-news .news-rail__list {
  list-style: none;
  margin: 1rem 0 1.2rem;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-news .news-rail__item {
  --tone: var(--cyan);
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: .6rem;
  align-items: start;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--edge);
}

.page-news .news-rail__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-news .news-rail__item--ops { --tone: var(--cyan); }
.page-news .news-rail__item--ver { --tone: var(--amber); }
.page-news .news-rail__item--loc { --tone: var(--mist); }

.page-news .news-rail__key {
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--tone);
  padding-top: .2rem;
}

.page-news .news-rail__text {
  font-size: .9rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-news .news-rail__note {
  margin: 0 0 1.1rem;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--mist);
}

@media (min-width: 980px) {
  .page-news .sticky-aside {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    align-self: start;
  }
}

/* ---------- 主栏标题与栏目切换 ---------- */
.page-news .news-main__title {
  margin: 0 0 1.1rem;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
}

.page-news .tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.6rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--edge);
}

.page-news .tab {
  appearance: none;
  border: 1px solid var(--edge);
  background: transparent;
  color: var(--text-soft);
  border-radius: 999px;
  padding: .48rem 1.05rem;
  font-family: var(--font-body);
  font-size: .89rem;
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-news .tab:hover {
  color: var(--text);
  border-color: rgba(95, 227, 222, .5);
}

.page-news .tab[aria-selected="true"],
.page-news .tab[aria-current="true"],
.page-news .tab.is-active {
  background: rgba(95, 227, 222, .12);
  border-color: var(--cyan);
  color: var(--cyan);
}

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

/* ---------- 面板配图 ---------- */
.page-news .news-panel__media {
  margin: 0 0 1.6rem;
}

.page-news .news-panel__media .media__frame {
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--chapter), var(--deep));
}

.page-news .news-panel__media img {
  width: 100%;
  object-fit: cover;
}

.page-news .media--device .media__frame img { aspect-ratio: 9 / 5.6; }
.page-news .media--layers .media__frame img { aspect-ratio: 9 / 5.6; }
.page-news .media--map .media__frame img { aspect-ratio: 25 / 13; }

/* ---------- 条目 ---------- */
.page-news .news-entry {
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: var(--chapter);
  margin-bottom: .9rem;
  overflow: hidden;
  transition: border-color .24s var(--ease);
}

.page-news .news-entry[open] {
  border-color: rgba(95, 227, 222, .38);
}

.page-news .news-entry__sum {
  list-style: none;
  cursor: pointer;
  padding: 1.05rem 1.2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .35rem .9rem;
  align-items: center;
}

.page-news .news-entry__sum::-webkit-details-marker {
  display: none;
}

.page-news .news-entry__no {
  grid-column: 1;
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-news .news-entry__title {
  grid-column: 1;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.04rem, 2.2vw, 1.22rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-news .news-entry__cue {
  grid-column: 2;
  grid-row: 1 / span 2;
  width: 1.65rem;
  height: 1.65rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--edge);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--cyan);
  transition: border-color .24s var(--ease);
}

.page-news .news-entry__cue::before { content: "＋"; }
.page-news .news-entry[open] .news-entry__cue::before { content: "－"; }
.page-news .news-entry[open] .news-entry__cue { border-color: rgba(95, 227, 222, .45); }

.page-news .news-entry__body {
  padding: 1rem 1.2rem 1.25rem;
  border-top: 1px solid var(--edge);
}

.page-news .news-entry__body p {
  margin: 0 0 .85rem;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .news-entry__body p:last-child {
  margin-bottom: 0;
}

.page-news .news-entry__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-steps {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-news .news-steps li {
  display: grid;
  grid-template-columns: 1.9rem 1fr;
  gap: .75rem;
  align-items: start;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-steps .mono {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--amber);
  padding-top: .28rem;
}

/* ---------- 升级确认清单 ---------- */
.page-news .news-check {
  margin-top: 1.5rem;
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--edge);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-sm);
  background: rgba(255, 196, 107, .06);
}

.page-news .news-check .checklist {
  margin: .85rem 0 .9rem;
}

.page-news .news-check .checklist__text {
  font-size: .94rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-news .news-check .checklist__progress {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--amber);
}

/* ---------- 地区网格 ---------- */
.page-news .region-grid {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .region-cell {
  background: var(--chapter);
  padding: .95rem 1.1rem;
  display: grid;
  gap: .3rem;
}

.page-news .region-cell__name {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-news .region-cell__text {
  font-size: .89rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-news .news-region__foot {
  margin: 1.2rem 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-region__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 560px) {
  .page-news .region-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1040px) {
  .page-news .region-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 历史归档 ---------- */
.page-news .news-archive {
  background:
    linear-gradient(180deg, rgba(59, 42, 90, .34), transparent 70%),
    radial-gradient(720px 380px at 92% 0%, rgba(31, 78, 74, .42), transparent 70%);
}

.page-news .archive__groups {
  margin-top: 1.6rem;
  border-top: 1px solid var(--edge);
}

.page-news .archive__group {
  border-bottom: 1px solid var(--edge);
}

.page-news .archive__group > summary {
  list-style: none;
  cursor: pointer;
  padding: 1.05rem .2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem 1rem;
}

.page-news .archive__group > summary::-webkit-details-marker {
  display: none;
}

.page-news .archive__group-title {
  font-family: var(--font-head);
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--text);
}

.page-news .archive__group-count {
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-news .archive__list {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-news .archive__list li {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: .8rem;
  align-items: start;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-news .archive__list .mono {
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: .24rem;
}

.page-news .archive__list a {
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px dashed var(--edge);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .archive__list a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

@media (min-width: 720px) {
  .page-news .archive__list li { grid-template-columns: 5.6rem 1fr; }
}

/* ---------- 收尾 ---------- */
.page-news .news-next {
  display: grid;
  gap: 1.4rem;
  align-items: center;
  padding: clamp(1.35rem, 4vw, 2.25rem);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(31, 78, 74, .58), rgba(59, 42, 90, .58));
}

.page-news .news-next h2 {
  margin: 0 0 .5rem;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 700;
}

.page-news .news-next p {
  margin: 0;
  max-width: 48ch;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--text-soft);
}

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

@media (prefers-reduced-motion: reduce) {
  .page-news .tab,
  .page-news .news-entry,
  .page-news .news-entry__cue,
  .page-news .archive__list a {
    transition: none;
  }
}