.page-news {
  --news-media-max: 760px;
  --news-panel: rgba(12, 22, 32, .82);
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero-wrap {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 34px) 0 clamp(40px, 7vw, 82px);
}

.page-news .news-hero-wrap::before {
  content: "";
  position: absolute;
  inset: -25% -10% auto -10%;
  height: 80%;
  background:
    radial-gradient(58% 60% at 84% 0%, rgba(122, 92, 255, .24), transparent 72%),
    radial-gradient(52% 56% at 0% 26%, rgba(20, 224, 208, .16), transparent 70%);
  pointer-events: none;
}

.page-news .news-hero-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(54, 80, 107, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54, 80, 107, .16) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .55;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 88%);
  mask-image: linear-gradient(180deg, #000, transparent 88%);
}

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

.page-news .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
  font-size: 13px;
}

.page-news .news-hero {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-hero__lead h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 66px);
  line-height: 1.08;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-news .news-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.page-news .news-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-news .news-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 1px solid var(--cyan-line);
}

.page-news .news-fact__k {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--faint);
}

.page-news .news-fact__v {
  font-size: 17px;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

/* ---------- 头条卡 ---------- */
.page-news .feature-card {
  position: relative;
  margin-top: clamp(26px, 4vw, 38px);
  background: linear-gradient(160deg, rgba(16, 30, 43, .96), rgba(7, 11, 18, .94));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-news .feature-card::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(20, 224, 208, .22), transparent 70%);
  pointer-events: none;
}

.page-news .feature-card__media {
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .feature-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .feature-card__body {
  padding: clamp(18px, 3.4vw, 30px);
}

.page-news .feature-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--acid);
}

.page-news .feature-card__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.36;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-news .feature-card__text {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-news .feature-card__links {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 右侧栏 ---------- */
.page-news .news-rail {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-news .rail-block {
  padding: 20px;
  background: var(--news-panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-news .rail-block--filters {
  border-color: var(--cyan-line);
  background: linear-gradient(150deg, rgba(20, 224, 208, .09), rgba(12, 22, 32, .86) 62%);
}

.page-news .rail-block__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .chip[aria-pressed="true"] {
  box-shadow: 0 0 0 1px rgba(184, 255, 61, .5), 0 0 18px rgba(184, 255, 61, .28);
}

/* 时间线 */
.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 2px 0 0 20px;
  position: relative;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(122, 92, 255, .55) 55%, transparent);
}

.page-news .timeline__item {
  position: relative;
  padding-bottom: 16px;
}

.page-news .timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--cyan);
}

.page-news .timeline__item:first-child::before {
  background: var(--acid);
  border-color: var(--acid);
  box-shadow: 0 0 10px rgba(184, 255, 61, .6);
}

.page-news .timeline__when {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-news .timeline__what {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* 侧栏图 */
.page-news .rail-figure {
  margin: 0;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  background: var(--ink-800);
}

.page-news .rail-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.75);
}

.page-news .rail-figure__cap {
  padding: 10px 14px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--faint);
  border-top: 1px dashed var(--line-soft);
}

/* ---------- 文章列表 ---------- */
.page-news .news-feed .section-head {
  max-width: 62ch;
}

.page-news .feed-list {
  list-style: none;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .feed-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .feed-item[hidden],
.page-news .feed-item.is-hidden {
  display: none;
}

.page-news .feed-item__index {
  font-size: 14px;
  color: var(--steel);
  letter-spacing: .06em;
  padding-top: 3px;
  font-variant-numeric: tabular-nums;
}

.page-news .feed-item--lead .feed-item__index {
  color: var(--cyan);
}

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

.page-news .feed-item__media {
  max-width: var(--news-media-max);
  margin: 0 0 16px;
  border-radius: var(--r-md);
  aspect-ratio: 16 / 9;
}

.page-news .feed-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .feed-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .feed-item__cat {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--pill);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-900);
  background: var(--cyan);
}

.page-news .feed-item--lead .feed-item__cat {
  background: var(--acid);
}

.page-news .feed-item__time {
  font-size: 12px;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

.page-news .feed-item__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.45;
  letter-spacing: .02em;
}

.page-news .feed-item__title a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .feed-item__title a:hover,
.page-news .feed-item__title a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan-line);
}

.page-news .feed-item__sum {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-news .feed-item__tags {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .feed-item__tag {
  padding: 2px 10px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-size: 12px;
  color: var(--faint);
}

/* ---------- 专题 ---------- */
.page-news .news-spotlight {
  position: relative;
}

.page-news .news-spotlight::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-line), rgba(122, 92, 255, .5), transparent);
}

.page-news .spot-grid {
  margin-top: clamp(22px, 4vw, 36px);
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .spot-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(165deg, rgba(16, 30, 43, .94), rgba(7, 11, 18, .92));
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-news .spot-card--wide {
  border-color: var(--cyan-line);
}

.page-news .spot-card__media {
  aspect-ratio: 3 / 2;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .spot-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .spot-card__body {
  padding: clamp(18px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .spot-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--violet);
}

.page-news .spot-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.4;
  letter-spacing: .03em;
  color: var(--mist);
}

.page-news .spot-card__text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.page-news .spot-card__list {
  margin: 4px 0 0;
  padding: 0 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.page-news .spot-card__list li::marker {
  color: var(--cyan);
}

.page-news .spot-card .btn {
  align-self: flex-start;
  margin-top: 6px;
}

/* ---------- 纠错与投稿 ---------- */
.page-news .news-help {
  padding-bottom: clamp(48px, 8vw, 90px);
}

.page-news .help-inner {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--cyan-line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(70% 120% at 100% 0%, rgba(122, 92, 255, .2), transparent 70%),
    linear-gradient(180deg, rgba(12, 22, 32, .92), rgba(7, 11, 18, .95));
}

.page-news .help-copy__text {
  margin: 14px 0 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.page-news .help-channels {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .help-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 14px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: rgba(7, 11, 18, .6);
}

.page-news .help-row__label {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--faint);
}

.page-news .help-row__value {
  font-size: 14px;
  color: var(--mist);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-news .help-row__act {
  justify-self: end;
}

.page-news .help-note {
  margin: 4px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--faint);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-facts {
    gap: 12px 34px;
  }

  .page-news .feed-item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 16px;
    padding: 28px 0;
  }

  .page-news .feed-item__index {
    font-size: 15px;
  }

  .page-news .spot-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-news .help-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    padding-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item__title a {
    transition: none;
  }
}