.page-news {
  --news-rail: 300px;
  --news-gap: 28px;
  display: block;
  background: var(--ink-0);
  color: var(--ice);
}

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

.page-news .breadcrumb {
  padding: 20px 0 0;
}

/* ===== 页头 ===== */
.page-news .news-head {
  position: relative;
  overflow: hidden;
  padding: 36px 0 34px;
  border-bottom: 1px solid var(--line);
  background-color: var(--ink-0);
  background-image:
    radial-gradient(115% 140% at 88% -30%, rgba(124, 255, 203, 0.16), transparent 58%),
    radial-gradient(85% 120% at 0% 0%, rgba(139, 92, 246, 0.20), transparent 62%);
}

.page-news .news-head::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.7;
  background-image:
    repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 44px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 85%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 85%);
}

.page-news .news-head__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-news .news-head__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-news .news-head__title {
  margin: 0 0 16px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.2vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-news .news-head__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ice-dim);
}

.page-news .news-head__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-news .news-head__jump a {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel);
  text-decoration: none;
  transition: border-color 200ms ease, color 200ms ease, background-color 200ms ease;
}

.page-news .news-head__jump a:hover,
.page-news .news-head__jump a:focus-visible {
  border-color: var(--violet);
  color: var(--ice);
  background: rgba(139, 92, 246, 0.12);
}

/* ===== 本轮速览 ===== */
.page-news .news-brief {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink-1);
}

.page-news .news-brief__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.85);
}

.page-news .news-brief__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(4, 6, 11, 0.97) 0%, rgba(4, 6, 11, 0.78) 48%, rgba(4, 6, 11, 0.42) 100%),
    linear-gradient(0deg, rgba(10, 16, 28, 0.9) 0%, transparent 65%);
}

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

.page-news .brief-item {
  padding: 22px 20px;
  border-top: 1px solid var(--line);
}

.page-news .brief-item:first-child {
  border-top: 0;
}

.page-news .brief-item__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-news .brief-item__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ice);
}

.page-news .brief-item__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .brief-item__link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--line-neon);
  padding-bottom: 2px;
  transition: color 200ms ease, border-color 200ms ease;
}

.page-news .brief-item__link:hover,
.page-news .brief-item__link:focus-visible {
  color: var(--violet-soft);
  border-color: var(--violet);
}

/* ===== 筛选栏 ===== */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-filter .filter-button {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--steel);
  border-radius: var(--radius);
  padding: 7px 13px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color 200ms ease, color 200ms ease, background-color 200ms ease;
}

.page-news .news-filter .filter-button:hover {
  color: var(--ice);
  border-color: var(--violet);
}

.page-news .news-filter .filter-button.is-active {
  border-color: var(--violet);
  color: var(--ice);
  background: rgba(139, 92, 246, 0.16);
  box-shadow: inset 0 0 0 1px rgba(139, 92, 246, 0.35);
}

.page-news .news-filter__count {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-news .news-filter__count .filter-count {
  color: var(--neon);
}

/* ===== 主列 + 旁注 ===== */
.page-news .news-layout {
  display: grid;
  gap: 34px;
  margin-top: 26px;
}

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

/* ===== 趋势图卡 ===== */
.page-news .news-trend {
  margin: 0 0 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--ink-2), var(--ink-1));
  box-shadow: var(--shadow-layer);
}

.page-news .news-trend__cap {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ice-dim);
}

.page-news .news-spark {
  display: block;
  width: 100%;
  height: 96px;
  margin-top: 14px;
}

.page-news .news-spark__grid {
  stroke: var(--line);
}

.page-news .news-spark__line--a {
  stroke: var(--neon);
}

.page-news .news-spark__line--b {
  stroke: var(--violet-soft);
}

/* ===== 列表条目 ===== */
.page-news .news-item {
  position: relative;
  padding: 22px 0 22px 18px;
  border-bottom: 1px solid var(--line);
  transition: background-color 220ms ease;
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: linear-gradient(90deg, rgba(124, 255, 203, 0.05), transparent 65%);
}

.page-news .news-item__bar {
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: var(--radius);
  background: var(--line-strong);
  transition: background-color 240ms ease, box-shadow 240ms ease;
}

.page-news .news-item[data-filter-tags~="round"] .news-item__bar {
  background: var(--steel);
}

.page-news .news-item[data-filter-tags~="version"] .news-item__bar {
  background: var(--violet);
}

.page-news .news-item[data-filter-tags~="profile"] .news-item__bar {
  background: var(--neon-deep);
}

.page-news .news-item[data-filter-tags~="region"] .news-item__bar {
  background: var(--violet-soft);
}

.page-news .news-item:hover .news-item__bar {
  box-shadow: 0 0 14px rgba(124, 255, 203, 0.45);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .news-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-news .news-item__time {
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--steel);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-news .news-item__text {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--steel);
}

.page-news .news-item.is-filtered-out {
  display: none;
}

.page-news .filter-empty {
  margin: 22px 0 0;
  padding: 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--steel);
}

/* ===== 旁注栏 ===== */
.page-news .news-aside {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-news .news-aside__mark {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--violet-soft);
}

.page-news .aside-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink-1);
}

.page-news .aside-card--violet {
  border-left-color: var(--violet);
}

.page-news .aside-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--ice);
}

.page-news .aside-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .aside-card .btn {
  margin-top: 14px;
}

.page-news .aside-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .aside-card__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

.page-news .aside-card__list .data-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon);
}

/* ===== 深度专题 ===== */
.page-news .news-series {
  display: grid;
  gap: 20px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-1);
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.page-news .series-card:hover,
.page-news .series-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--violet);
  box-shadow: var(--shadow-layer);
}

.page-news .series-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.page-news .series-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.88;
  transition: opacity 240ms ease;
}

.page-news .series-card:hover .series-card__media img {
  opacity: 1;
}

.page-news .series-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
}

.page-news .series-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ice);
}

.page-news .series-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--steel);
}

.page-news .series-card__more {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-news .series-card__more summary {
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--violet-soft);
  list-style: none;
}

.page-news .series-card__more summary::-webkit-details-marker {
  display: none;
}

.page-news .series-card__more summary::before {
  content: "+ ";
  font-family: var(--font-mono);
  color: var(--neon);
}

.page-news .series-card__more[open] summary::before {
  content: "− ";
}

.page-news .series-card__more summary:hover {
  color: var(--neon);
}

.page-news .series-card__more ul {
  margin: 12px 0 0;
  padding: 0 0 0 16px;
  display: grid;
  gap: 7px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ice-dim);
}

/* ===== 更新节奏 ===== */
.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .cadence-item {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .cadence-item__time {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-news .cadence-item__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ice);
}

.page-news .cadence-item__body p {
  margin: 0;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--steel);
}

.page-news .news-summary {
  margin-top: 26px;
  padding: 22px;
  border: 1px solid var(--line-neon);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(124, 255, 203, 0.08), rgba(139, 92, 246, 0.10));
}

.page-news .news-summary p {
  margin: 0 0 14px;
  max-width: 72ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ice-dim);
}

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

.page-news .news-summary a:not(.btn) {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--line-neon);
}

.page-news .news-summary a:not(.btn):hover,
.page-news .news-summary a:not(.btn):focus-visible {
  color: var(--violet-soft);
  border-color: var(--violet);
}

.page-news .news-summary__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* ===== 响应式 ===== */
@media (min-width: 860px) {
  .page-news .news-head {
    padding: 52px 0 44px;
  }

  .page-news .news-head__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }

  .page-news .news-head__jump {
    justify-content: flex-end;
    max-width: 320px;
  }

  .page-news .news-brief__content {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .brief-item {
    padding: 28px 24px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .brief-item:first-child {
    border-left: 0;
  }

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

  .page-news .cadence-item {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) var(--news-rail);
    gap: 42px;
    align-items: start;
  }

  .page-news .news-spark {
    height: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .series-card:hover,
  .page-news .series-card:focus-within {
    transform: none;
  }

  .page-news .news-item,
  .page-news .news-item__bar,
  .page-news .series-card__media img {
    transition: none;
  }
}