.page-news {
  --news-line: rgba(47, 240, 214, .28);
  --news-panel: rgba(20, 36, 63, .9);
  --news-panel-dim: rgba(11, 24, 48, .92);
  padding-bottom: clamp(3.5rem, 9vw, 6rem);
}

.page-news .section {
  margin-top: clamp(2.8rem, 7vw, 5rem);
}

.page-news .breadcrumb {
  margin-bottom: clamp(1rem, 3vw, 1.7rem);
}

/* ---------- 首屏 ---------- */
.news-hero {
  padding-top: clamp(1.3rem, 4vw, 2.4rem);
}

.news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 4vw, 2.2rem);
  align-items: start;
}

.news-hero__aside {
  display: none;
}

.news-hero__rule {
  display: block;
  width: 1px;
  flex: 1 1 auto;
  background: linear-gradient(to bottom, var(--cyan), rgba(47, 240, 214, 0) 88%);
}

.news-hero__eyebrow {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news h1 {
  margin: 0;
  font-size: clamp(1.7rem, 5.6vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--text);
}

.news-hero__lede {
  margin: 1rem 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.78;
}

.news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem 1.8rem;
  margin: 1.6rem 0 0;
  padding: 1.1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--grid);
}

.news-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: .18rem;
}

.news-hero__facts .stat-value {
  font-size: 1.08rem;
}

.news-hero__facts .stat-label {
  font-size: .76rem;
  line-height: 1.5;
  max-width: 12ch;
}

.news-hero__figure {
  margin: 0;
}

/* ---------- 通用图片框 ---------- */
.page-news .img-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-a);
  border: 1px solid rgba(36, 64, 106, .75);
  background: var(--panel-2);
}

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

.page-news .ratio-2x1 {
  aspect-ratio: 2 / 1;
}

/* ---------- 栏目切换条 ---------- */
.news-filter .container {
  display: flex;
  flex-direction: column;
  gap: .85rem;
}

.feed-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: .6rem;
  border: 1px solid var(--grid);
  border-radius: var(--radius-b);
  background: linear-gradient(180deg, rgba(20, 36, 63, .9), rgba(11, 24, 48, .78));
}

.feed-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.feed-tab {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem .95rem;
  border: 1px solid var(--grid);
  border-radius: 999px;
  font-size: .86rem;
  line-height: 1.4;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.feed-tab::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grid);
  transition: background-color .2s var(--ease);
}

.feed-tab:hover {
  border-color: var(--cyan-deep);
  color: var(--text);
}

.feed-input:focus-visible + .feed-tab {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.feed-input:checked + .feed-tab--all {
  background: var(--text);
  border-color: var(--text);
  color: var(--deep);
}

.feed-input:checked + .feed-tab--update {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--deep);
}

.feed-input:checked + .feed-tab--series {
  background: var(--violet);
  border-color: var(--violet);
  color: var(--text);
}

.feed-input:checked + .feed-tab--review {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--deep);
}

.feed-input:checked + .feed-tab--report {
  background: var(--green);
  border-color: var(--green);
  color: var(--deep);
}

.feed-input:checked + .feed-tab::before {
  background: currentColor;
  opacity: .55;
}

.page-news:has(#feed-update:checked) .feed-item:not(.feed-item--update),
.page-news:has(#feed-series:checked) .feed-item:not(.feed-item--series),
.page-news:has(#feed-review:checked) .feed-item:not(.feed-item--review),
.page-news:has(#feed-report:checked) .feed-item:not(.feed-item--report) {
  display: none;
}

.news-filter__hint {
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--muted-dim);
}

/* ---------- 更新流 ---------- */
.news-feed__rail-figure {
  margin: 0 0 clamp(1.4rem, 4vw, 2.2rem);
}

.news-feed__rail-figure figcaption {
  margin-top: .65rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--muted-dim);
}

.feed-list {
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.4rem);
}

.feed-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
  padding: clamp(1rem, 3.4vw, 1.5rem);
  border: 1px solid rgba(36, 64, 106, .8);
  border-radius: var(--radius-a);
  background: linear-gradient(150deg, var(--news-panel), var(--news-panel-dim));
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.feed-item:hover {
  transform: translateY(-3px);
  border-color: var(--news-line);
}

.feed-item__rail {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.feed-item__rail-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grid);
}

.feed-item--update .feed-item__rail-dot {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 240, 214, .16);
}

.feed-item--series .feed-item__rail-dot {
  background: var(--violet);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, .18);
}

.feed-item--review .feed-item__rail-dot {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 154, 60, .18);
}

.feed-item--report .feed-item__rail-dot {
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(95, 224, 138, .18);
}

.feed-item__rail-text {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--muted-dim);
}

.feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .8rem;
  margin-bottom: .6rem;
}

.feed-item__when {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--muted-dim);
}

.feed-item__title {
  margin: 0 0 .5rem;
  font-size: 1.06rem;
  line-height: 1.48;
  color: var(--text);
}

.feed-item__excerpt {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--muted);
}

.feed-item__more {
  margin-top: .8rem;
  padding-top: .65rem;
  border-top: 1px dashed rgba(36, 64, 106, .9);
}

.feed-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  list-style: none;
  cursor: pointer;
  font-size: .82rem;
  color: var(--cyan);
}

.feed-item__more summary::-webkit-details-marker {
  display: none;
}

.feed-item__more summary::after {
  content: "+";
  font-family: var(--font-mono);
}

.feed-item__more[open] summary::after {
  content: "–";
}

.feed-item__more p {
  margin: .6rem 0 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--muted);
}

.feed-progress {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin: clamp(1.4rem, 4vw, 2rem) 0 0;
  padding-top: .95rem;
  border-top: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--muted-dim);
}

.feed-progress__bar {
  position: relative;
  flex: 1 1 auto;
  height: 4px;
  border-radius: 999px;
  background: repeating-linear-gradient(90deg, var(--grid) 0 2px, transparent 2px 8px);
}

.feed-progress__bar::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 62%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan));
}

.feed-progress > span:last-child {
  flex: 0 0 auto;
}

/* ---------- 专题系列 ---------- */
.news-series__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 4vw, 2.2rem);
  align-items: start;
}

.news-series__figure {
  margin: 0;
}

.news-series__heading {
  margin: 0 0 .9rem;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--text);
}

.news-series__list {
  display: grid;
  gap: .8rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}

.news-series__list li {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: .85rem 1rem;
  border: 1px solid rgba(36, 64, 106, .75);
  border-radius: var(--radius-c);
  background: var(--panel-2);
  font-size: .92rem;
  line-height: 1.72;
  color: var(--muted);
}

.news-series__list .tag {
  align-self: flex-start;
}

.news-series__note {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--muted);
}

.news-series__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 214, .4);
}

.news-series__note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 数据报告回顾 ---------- */
.news-reports__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 3vw, 1.5rem);
}

.report-card {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  padding: clamp(1.1rem, 3.2vw, 1.5rem);
  border: 1px solid rgba(36, 64, 106, .75);
  border-radius: var(--radius-b);
  background: linear-gradient(160deg, var(--news-panel), var(--news-panel-dim));
}

.report-card .tag {
  align-self: flex-start;
}

.report-card h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--text);
}

.report-card__stat {
  display: flex;
  flex-direction: column;
  gap: .12rem;
  margin: 0;
  padding: .7rem .95rem;
  border-radius: var(--radius-c);
  border-inline-start: 2px solid var(--amber);
  background: rgba(5, 11, 24, .55);
}

.report-card__stat .stat-value {
  font-size: 1.45rem;
}

.report-card__stat .stat-label {
  font-size: .76rem;
  line-height: 1.5;
}

.report-card p:last-child {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--muted);
}

.news-reports__source {
  margin: clamp(1.2rem, 3vw, 1.7rem) 0 0;
  padding-inline-start: .95rem;
  border-inline-start: 2px solid var(--grid);
  font-size: .86rem;
  line-height: 1.75;
  color: var(--muted-dim);
}

/* ---------- 订阅与推送 ---------- */
.news-subscribe__panel {
  padding: clamp(1.3rem, 4vw, 2.4rem);
  border: 1px solid rgba(47, 240, 214, .22);
  border-radius: var(--radius-a);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(47, 240, 214, .1), rgba(47, 240, 214, 0) 62%),
    linear-gradient(160deg, rgba(20, 36, 63, .95), rgba(11, 24, 48, .96));
}

.news-subscribe__cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 4vw, 2rem);
  margin-top: 1.5rem;
}

.news-subscribe__heading {
  margin: 0 0 .85rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
}

.news-subscribe__list {
  display: grid;
  gap: .65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-subscribe__list li {
  display: flex;
  gap: .65rem;
  align-items: flex-start;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--muted);
}

.news-subscribe__list li::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: .55rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 240, 214, .14);
}

.news-subscribe__cols p {
  margin: 0 0 .9rem;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--muted);
}

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

.news-subscribe__cols a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 214, .4);
}

.news-subscribe__cols a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .feed-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 1.25rem;
  }

  .feed-item__rail {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: .6rem;
    padding-top: .3rem;
  }

  .feed-item__rail-text {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: .22em;
  }
}

@media (min-width: 820px) {
  .news-reports__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-subscribe__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .news-hero__grid {
    grid-template-columns: 52px minmax(0, 1.15fr) minmax(0, 1fr);
    column-gap: clamp(1.4rem, 3vw, 2.6rem);
  }

  .news-hero__aside {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .8rem;
    min-height: 280px;
  }

  .news-series__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    column-gap: clamp(1.4rem, 3.4vw, 2.4rem);
  }
}

@media (min-width: 1080px) {
  .news-reports__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .report-card:nth-child(1) {
    transform: translateY(0);
  }

  .report-card:nth-child(2) {
    transform: translateY(22px);
  }

  .report-card:nth-child(3) {
    transform: translateY(10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item,
  .page-news .feed-tab {
    transition: none;
  }

  .page-news .feed-item:hover {
    transform: none;
  }
}