.page-news {
  --news-rail: 258px;
  --news-tag-panel: #C9B6FF;
  background-color: var(--ink-void);
  color: var(--white);
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(30px, 4.5vw, 56px);
  background:
    radial-gradient(112% 76% at 6% -8%, rgba(10, 42, 107, .92), transparent 62%),
    radial-gradient(78% 60% at 96% 0%, rgba(0, 229, 255, .13), transparent 64%),
    linear-gradient(180deg, #070E22 0%, var(--ink-void) 74%);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 53, 92, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 53, 92, .55) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .3;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
  pointer-events: none;
}

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

.page-news .news-hero .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 46px);
  padding-bottom: clamp(26px, 4vw, 46px);
}

.page-news .news-hero h1 {
  margin: .26em 0 .34em;
  font-size: clamp(36px, 6.4vw, 80px);
  line-height: 1.04;
  letter-spacing: .012em;
  text-shadow:
    0 0 26px rgba(0, 229, 255, .2),
    0 0 62px rgba(10, 42, 107, .75);
}

.page-news .news-hero__lead {
  max-width: 36ch;
  margin: 0;
  font-size: clamp(15.5px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-hero__aside {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 2vw, 24px);
  padding-top: 4px;
}

.page-news .hero-aside__label {
  display: none;
  margin: 0;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: .34em;
  font-size: 12px;
  color: var(--neon);
  opacity: .82;
}

.page-news .hero-meta {
  flex: 1 1 auto;
  min-width: 0;
  display: grid;
  gap: 0;
  margin: 0;
}

.page-news .hero-meta__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .hero-meta__key {
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .hero-meta__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--white);
  text-align: right;
}

.page-news .news-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

/* ---------- 通用区块 ---------- */
.page-news .news-block {
  padding-block: clamp(52px, 8vw, 100px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-block .section__head {
  margin-bottom: clamp(24px, 3.6vw, 42px);
}

.page-news .news-block .section__title {
  margin-bottom: .32em;
  line-height: 1.2;
}

/* ---------- 标签胶囊 ---------- */
.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 3px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .1em;
  white-space: nowrap;
}

.page-news .news-tag--cat {
  color: var(--neon);
  border-color: rgba(0, 229, 255, .42);
  background: rgba(0, 229, 255, .08);
}

.page-news .news-tag--column {
  color: var(--gold);
  border-color: rgba(255, 179, 71, .42);
  background: rgba(255, 179, 71, .08);
}

.page-news .news-tag--panel {
  color: var(--news-tag-panel);
  border-color: rgba(59, 30, 110, .95);
  background: rgba(59, 30, 110, .5);
}

.page-news .news-tag--service {
  color: var(--white);
  border-color: rgba(159, 179, 200, .38);
  background: rgba(18, 58, 138, .42);
}

/* ---------- 本期要目 ---------- */
.page-news .digest-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .digest-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 32px);
  background: linear-gradient(180deg, rgba(16, 28, 51, .97), rgba(5, 11, 26, .97));
  transition: background-color 180ms var(--ease);
}

.page-news .digest-card::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), var(--gold));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 240ms var(--ease);
}

.page-news .digest-card:hover::before,
.page-news .digest-card:focus-within::before {
  transform: scaleX(1);
}

.page-news .digest-card:hover {
  background: linear-gradient(180deg, rgba(18, 58, 138, .42), rgba(5, 11, 26, .97));
}

.page-news .digest-card__num {
  margin: 0;
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--neon);
}

.page-news .digest-card__title {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.4;
}

.page-news .digest-card__body {
  flex: 1 1 auto;
  margin: 0;
  font-size: 14.8px;
  line-height: 1.82;
  color: var(--mist);
}

.page-news .digest-card__link {
  align-self: flex-start;
  padding-bottom: 2px;
  color: var(--gold);
  font-size: 14px;
  letter-spacing: .04em;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 179, 71, .42);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .digest-card__link:hover,
.page-news .digest-card__link:focus-visible {
  color: var(--white);
  border-color: var(--white);
}

/* ---------- 更新记录列表 ---------- */
.page-news .feed-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 42px);
}

.page-news .feed-rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-news .feed-rail__label {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--mist);
}

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

.page-news .feed-rail .chip {
  cursor: pointer;
}

.page-news .feed-rail .chip[aria-pressed="true"] {
  color: var(--ink-void);
  background: var(--neon);
  border-color: var(--neon);
  box-shadow: 0 0 18px rgba(0, 229, 255, .32);
}

.page-news .feed-rail__media {
  margin: 6px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .feed-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px) 0 clamp(20px, 2.6vw, 30px) clamp(20px, 2.4vw, 30px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-item::after {
  content: "";
  position: absolute;
  left: 3.5px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--line) 10%, var(--line) 90%, transparent);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(26px, 2.9vw, 35px);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-void);
  border: 1px solid var(--neon);
  box-shadow: 0 0 10px rgba(0, 229, 255, .5);
  transition: background-color 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  background: var(--neon);
  box-shadow: 0 0 16px rgba(0, 229, 255, .9);
}

.page-news .news-item[data-hidden="true"] {
  display: none;
}

.page-news .news-item__top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}

.page-news .news-item__time {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: 1.42;
}

.page-news .news-item__digest {
  max-width: 64ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-item__more {
  margin-top: 12px;
}

.page-news .news-item__more .accordion__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border: 0;
  background: none;
  color: var(--neon);
  font-family: inherit;
  font-size: 13.5px;
  letter-spacing: .06em;
  cursor: pointer;
}

.page-news .news-item__more .accordion__trigger::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  transition: transform 240ms var(--ease);
}

.page-news .news-item__more .accordion__trigger[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.page-news .news-item__more .accordion__panel {
  padding-top: 10px;
}

.page-news .news-item__more .accordion__panel p {
  max-width: 62ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 版本线 ---------- */
.page-news .version-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(228px, 76vw);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .version-node {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 26px);
  background: linear-gradient(180deg, rgba(16, 28, 51, .96), rgba(5, 11, 26, .96));
  scroll-snap-align: start;
  transition: background 180ms var(--ease);
}

.page-news .version-node:hover {
  background: linear-gradient(180deg, rgba(18, 58, 138, .55), rgba(10, 42, 107, .35));
}

.page-news .version-node__mark {
  font-size: 13px;
  letter-spacing: .24em;
  color: var(--neon);
}

.page-news .version-node__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.45;
}

.page-news .version-node__body {
  flex: 1 1 auto;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .version-node__when {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(159, 179, 200, .85);
}

.page-news .news-version__media {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

/* ---------- 导览札记 ---------- */
.page-news .news-series__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 48px);
  align-items: center;
}

.page-news .news-series__text .section__title {
  margin: .34em 0 .5em;
}

.page-news .news-series__lead {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .series-points {
  margin: 0 0 clamp(20px, 2.8vw, 30px);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .series-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .series-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 11px;
  height: 1px;
  background: var(--gold);
}

.page-news .news-series__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

/* ---------- 推送节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-news .cadence-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(59, 30, 110, .34), rgba(10, 42, 107, .2) 48%, rgba(5, 11, 26, .92));
  overflow: hidden;
}

.page-news .cadence-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 128px;
  height: 128px;
  background: radial-gradient(circle at 72% 28%, rgba(0, 229, 255, .2), transparent 68%);
  pointer-events: none;
}

.page-news .cadence-card__period {
  position: relative;
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-news .cadence-card h3 {
  position: relative;
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.45;
}

.page-news .cadence-card__body {
  position: relative;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .cadence-foot {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding-top: clamp(18px, 2.4vw, 24px);
  border-top: 1px solid var(--line);
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .cadence-foot a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .4);
  padding-bottom: 1px;
}

.page-news .cadence-foot a:hover,
.page-news .cadence-foot a:focus-visible {
  color: var(--white);
  border-color: var(--white);
}

/* ---------- 收束 ---------- */
.page-news .news-cta {
  padding-block: clamp(52px, 7vw, 88px);
  background:
    radial-gradient(92% 140% at 10% 0%, rgba(10, 42, 107, .85), transparent 62%),
    linear-gradient(180deg, var(--ink-void), #070E22);
}

.page-news .news-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-news .news-cta__title {
  margin: .3em 0 .4em;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.28;
}

.page-news .news-cta__body {
  max-width: 46ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .digest-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-news .version-rail {
    grid-auto-columns: minmax(240px, 46vw);
  }
}

@media (min-width: 880px) {
  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3.6fr);
    align-items: end;
  }

  .page-news .news-hero__aside {
    padding-bottom: 8px;
    padding-left: clamp(16px, 2vw, 26px);
    border-left: 1px solid var(--line);
  }

  .page-news .hero-aside__label {
    display: block;
  }

  .page-news .news-cta__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-news .feed-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .feed-rail {
    position: sticky;
    top: calc(var(--bar-h-stuck) + 22px);
  }

  .page-news .feed-rail .chip-row {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .feed-rail .chip {
    justify-content: flex-start;
    text-align: left;
  }
}

@media (min-width: 1000px) {
  .page-news .version-rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    overflow-x: visible;
  }
}

@media (max-width: 480px) {
  .page-news .news-item__time {
    margin-left: 0;
  }

  .page-news .news-item__top {
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .digest-card,
  .page-news .digest-card::before,
  .page-news .version-node,
  .page-news .news-item::before,
  .page-news .news-item__more .accordion__trigger::after,
  .page-news .digest-card__link {
    transition: none;
  }
}