.page-news {
  --news-line: var(--ice-mist);
  --news-amber-ink: #8a5b06;
  --news-gap: clamp(14px, 2.4vw, 22px);
  display: block;
  background: var(--paper);
  color: var(--plateau-ink);
  overflow-x: hidden;
}

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

/* 面包屑 */
.page-news .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px var(--gut);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .06em;
  color: var(--text-soft);
}

.page-news .crumbs a {
  color: var(--lake-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease);
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  border-bottom-color: var(--lake-blue);
}

.page-news .crumbs-sep {
  color: var(--ice-mist);
}

.page-news .crumbs-now {
  color: var(--plateau-ink);
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  padding: clamp(32px, 5vw, 66px) 0 clamp(56px, 8vw, 96px);
  background: linear-gradient(148deg, var(--plateau-ink) 0%, #0d3a56 46%, var(--dusk-purple) 100%);
  color: var(--ice-white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
}

.page-news .news-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: end;
}

.page-news .news-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--lake-glow);
  letter-spacing: .2em;
}

.page-news .news-hero h1 {
  margin: 0 0 20px;
  letter-spacing: .04em;
  line-height: 1.06;
  max-width: 20ch;
}

.page-news .news-hero .lede {
  margin: 0;
  max-width: 54ch;
  color: rgba(245, 250, 255, .82);
  font-size: var(--fs-sm);
  line-height: 1.85;
}

.page-news .news-hero-panel {
  border: var(--bw) solid rgba(111, 215, 203, .42);
  background: rgba(10, 27, 38, .52);
  padding: 18px 18px 8px;
  box-shadow: var(--shadow-glow);
}

.page-news .news-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .14em;
  color: var(--frost-teal);
}

.page-news .pulse-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber-signal);
  box-shadow: 0 0 0 4px rgba(255, 181, 61, .22);
  animation: news-pulse 2.4s var(--ease) infinite;
}

@keyframes news-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 4px rgba(255, 181, 61, .22); }
  50% { opacity: .5; box-shadow: 0 0 0 9px rgba(255, 181, 61, .06); }
}

.page-news .news-signal-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-news .news-signal {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid rgba(207, 227, 240, .18);
}

.page-news .news-signal dt {
  font-size: var(--fs-2xs);
  color: rgba(245, 250, 255, .7);
  letter-spacing: .04em;
}

.page-news .news-signal dd {
  margin: 0;
  font-size: var(--fs-md);
  color: var(--ice-white);
  letter-spacing: .04em;
}

/* 区块与标题 */
.page-news .news-section {
  padding: clamp(44px, 7vw, 86px) 0;
}

.page-news .news-section--mist {
  background: var(--paper-dim);
}

.page-news .news-section--ink {
  background: linear-gradient(165deg, var(--plateau-ink), #0b2f4a 62%, var(--dusk-purple));
  color: var(--ice-white);
}

.page-news .news-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-news .news-head-slant {
  display: block;
  width: min(230px, 58%);
  height: 6px;
  background: linear-gradient(90deg, var(--lake-blue), var(--dusk-orchid));
  transform: skewX(-24deg);
}

.page-news .news-head-idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .18em;
  color: var(--dusk-orchid);
}

.page-news .news-section--ink .news-head-idx,
.page-news .news-cadence .news-head-idx {
  color: var(--lake-glow);
}

.page-news .news-head h2 {
  margin: 0;
  letter-spacing: .03em;
  line-height: 1.18;
}

.page-news .news-head-note {
  margin: 0;
  max-width: 62ch;
  color: var(--text-soft);
  font-size: var(--fs-xs);
  line-height: 1.85;
}

.page-news .news-section--ink .news-head-note,
.page-news .news-cadence .news-head-note {
  color: rgba(245, 250, 255, .74);
}

/* 更新速览卡片 */
.page-news .news-flash-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .flash-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px 18px 18px;
  background: var(--paper);
  border: var(--bw) solid var(--plateau-ink);
  box-shadow: var(--shadow-hard);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.page-news .flash-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 6px;
  background: linear-gradient(90deg, var(--lake-blue), var(--lake-glow));
}

.page-news .flash-card:nth-child(3n+2)::before {
  background: linear-gradient(90deg, var(--dusk-purple), var(--dusk-orchid));
}

.page-news .flash-card:nth-child(3n)::before {
  background: linear-gradient(90deg, var(--lake-deep), var(--frost-teal));
}

.page-news .flash-card:hover,
.page-news .flash-card:focus-within {
  transform: translate(-2px, -2px);
  border-color: var(--lake-blue);
  box-shadow: 8px 8px 0 0 var(--lake-glow);
}

.page-news .flash-no {
  margin: 0;
  font-size: var(--fs-2xs);
  letter-spacing: .14em;
  color: var(--text-soft);
}

.page-news .flash-tag {
  align-self: flex-start;
  padding: 3px 9px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .1em;
  color: var(--lake-blue);
  background: rgba(47, 184, 224, .08);
}

.page-news .flash-tag--rule {
  color: var(--dusk-orchid);
  background: rgba(124, 90, 209, .08);
}

.page-news .flash-tag--build {
  color: var(--lake-deep);
  background: rgba(11, 61, 92, .07);
}

.page-news .flash-tag--topic {
  color: var(--news-amber-ink);
  background: rgba(255, 181, 61, .14);
}

.page-news .flash-tag--help {
  color: #1c6b62;
  background: rgba(111, 215, 203, .16);
}

.page-news .flash-card h3 {
  margin: 0;
  font-size: var(--fs-md);
  line-height: 1.42;
  letter-spacing: .01em;
}

.page-news .flash-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: var(--fs-xs);
  line-height: 1.78;
}

.page-news .flash-card-link {
  margin-top: auto;
  align-self: flex-start;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .1em;
  color: var(--lake-blue);
  text-decoration: none;
  border-bottom: 2px solid var(--lake-glow);
}

.page-news .flash-card-link:hover,
.page-news .flash-card-link:focus-visible {
  color: var(--plateau-ink);
  border-bottom-color: var(--amber-signal);
}

/* 规则说明 */
.page-news .news-rules-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

.page-news .rules-media {
  margin: 0;
  border: var(--bw) solid var(--plateau-ink);
  box-shadow: var(--shadow-hard);
  background: var(--lake-deep);
}

.page-news .rules-media img {
  display: block;
  width: 100%;
}

.page-news .news-rules .acc-item {
  border: var(--bw) solid var(--ice-mist);
  background: var(--paper);
  border-left: 4px solid transparent;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-news .news-rules .acc-item + .acc-item {
  margin-top: 10px;
}

.page-news .news-rules .acc-item:hover {
  border-color: var(--lake-blue);
}

.page-news .news-rules .acc-item.is-latest {
  border-left-color: var(--amber-signal);
  box-shadow: var(--shadow-hard);
}

.page-news .news-rules .acc-trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  width: 100%;
  padding: 14px 16px;
  text-align: left;
}

.page-news .rule-no {
  font-size: var(--fs-2xs);
  letter-spacing: .12em;
  color: var(--dusk-orchid);
}

.page-news .rule-name {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--plateau-ink);
}

.page-news .news-rules .badge {
  margin-left: auto;
}

.page-news .rule-field {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .06em;
  color: var(--lake-blue);
}

.page-news .rule-text {
  margin: 0 0 12px;
  color: var(--text-soft);
  font-size: var(--fs-xs);
  line-height: 1.85;
}

.page-news .rule-go {
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .08em;
  color: var(--lake-blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .rule-go:hover,
.page-news .rule-go:focus-visible {
  color: var(--dusk-orchid);
}

/* 迭代记录 */
.page-news .news-iter-head {
  gap: 20px;
}

.page-news .iter-media {
  margin: 0;
  border: var(--bw) solid rgba(245, 250, 255, .45);
  overflow: hidden;
}

.page-news .iter-media img {
  display: block;
  width: 100%;
}

.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(207, 227, 240, .22);
}

.page-news .tl-item {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 4px 20px 14px;
  border-bottom: 1px solid rgba(207, 227, 240, .16);
  border-left: 3px solid transparent;
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-news .tl-item:hover {
  border-left-color: var(--amber-signal);
  background: rgba(47, 184, 224, .07);
}

.page-news .tl-no {
  margin: 0;
  padding-top: 3px;
  font-size: var(--fs-2xs);
  letter-spacing: .1em;
  color: var(--lake-glow);
}

.page-news .tl-item:nth-child(even) .tl-no {
  color: var(--dusk-orchid);
}

.page-news .tl-title {
  margin: 0 0 7px;
  font-size: var(--fs-sm);
  letter-spacing: .02em;
  color: var(--ice-white);
}

.page-news .tl-text {
  margin: 0;
  max-width: 62ch;
  color: rgba(245, 250, 255, .74);
  font-size: var(--fs-xs);
  line-height: 1.8;
}

/* 专题系列 */
.page-news .topic-scroller {
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-news .topic-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 78vw);
  gap: var(--news-gap);
  align-items: end;
  padding: 6px 4px 24px;
  scroll-snap-type: x mandatory;
}

.page-news .topic-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: var(--bw) solid var(--plateau-ink);
  box-shadow: var(--shadow-hard);
  text-decoration: none;
  color: inherit;
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-visible {
  transform: translate(-2px, -3px);
  border-color: var(--lake-blue);
  box-shadow: 8px 10px 0 0 var(--lake-glow);
}

.page-news .topic-card--a {
  min-height: 430px;
}

.page-news .topic-card--b {
  min-height: 380px;
}

.page-news .topic-card--c {
  min-height: 330px;
}

.page-news .topic-cover {
  display: block;
  width: 100%;
  height: 176px;
  object-fit: cover;
  border-bottom: var(--bw) solid var(--plateau-ink);
}

.page-news .topic-strip {
  display: block;
  height: 176px;
  border-bottom: var(--bw) solid var(--plateau-ink);
  background: linear-gradient(135deg, var(--lake-blue), var(--dusk-purple));
}

.page-news .topic-strip--b {
  background: linear-gradient(135deg, var(--dusk-purple), var(--dusk-orchid));
}

.page-news .topic-body {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 16px 16px 18px;
}

.page-news .topic-kicker {
  margin: 0;
  font-size: var(--fs-2xs);
  letter-spacing: .14em;
  color: var(--dusk-orchid);
}

.page-news .topic-title {
  margin: 0;
  font-size: var(--fs-lg);
  letter-spacing: .04em;
  line-height: 1.25;
}

.page-news .topic-text {
  margin: 0;
  color: var(--text-soft);
  font-size: var(--fs-xs);
  line-height: 1.8;
}

.page-news .topic-meta {
  margin: auto 0 0;
  padding-top: 10px;
  font-size: var(--fs-2xs);
  letter-spacing: .08em;
  color: var(--lake-blue);
  border-top: 1px solid var(--ice-mist);
}

/* 条目一览 */
.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-news .news-tag {
  padding: 5px 13px;
  border: 1px solid var(--ice-mist);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .08em;
  color: var(--text-soft);
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-news .news-tag:hover,
.page-news .news-tag:focus-visible {
  border-color: var(--lake-blue);
  color: var(--lake-blue);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--bw) solid var(--plateau-ink);
}

.page-news .news-item {
  padding: 16px 14px;
  border-bottom: 1px solid var(--ice-mist);
  border-left: 4px solid transparent;
  transition: background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: var(--paper);
  border-left-color: var(--amber-signal);
}

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

.page-news .news-item-no {
  font-size: var(--fs-2xs);
  letter-spacing: .12em;
  color: var(--lake-blue);
}

.page-news .news-item-cat {
  padding: 2px 8px;
  border: 1px solid var(--dusk-orchid);
  color: var(--dusk-orchid);
  font-size: var(--fs-2xs);
  letter-spacing: .06em;
}

.page-news .news-item-stage {
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .06em;
  color: var(--text-soft);
}

.page-news .news-item-title {
  margin: 0 0 6px;
  font-size: var(--fs-sm);
  line-height: 1.5;
}

.page-news .news-item-title a {
  color: var(--plateau-ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-news .news-item-title a:hover,
.page-news .news-item-title a:focus-visible {
  color: var(--lake-blue);
  border-bottom-color: var(--lake-glow);
}

.page-news .news-item-text {
  margin: 0;
  max-width: 68ch;
  color: var(--text-soft);
  font-size: var(--fs-xs);
  line-height: 1.75;
}

/* 更新节奏 */
.page-news .news-cadence {
  padding: clamp(44px, 7vw, 88px) 0;
  background: linear-gradient(160deg, var(--plateau-ink), var(--lake-deep) 68%, var(--dusk-purple));
  color: var(--ice-white);
}

.page-news .cadence-media {
  margin: 0 0 clamp(22px, 3.6vw, 38px);
  border: var(--bw) solid rgba(245, 250, 255, .5);
  overflow: hidden;
  background: rgba(10, 27, 38, .6);
}

.page-news .cadence-media img {
  display: block;
  width: 100%;
}

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .cadence-card {
  padding: 18px 18px 20px;
  border: var(--bw) solid rgba(207, 227, 240, .32);
  background: rgba(10, 27, 38, .48);
}

.page-news .cadence-card h3 {
  margin: 0 0 9px;
  font-size: var(--fs-sm);
  letter-spacing: .02em;
  color: var(--ice-white);
}

.page-news .cadence-card p {
  margin: 0 0 14px;
  color: rgba(245, 250, 255, .74);
  font-size: var(--fs-xs);
  line-height: 1.8;
}

.page-news .cadence-card a {
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .08em;
  color: var(--amber-signal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .cadence-card a:hover,
.page-news .cadence-card a:focus-visible {
  color: var(--frost-teal);
}

.page-news .cadence-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(24px, 4vw, 40px) 0 0;
}

/* 平板 */
@media (min-width: 640px) {
  .page-news .news-flash-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-news .tl-item {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-news .topic-scroller {
    overflow-x: visible;
  }

  .page-news .topic-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 6px 4px 28px;
  }

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

@media (min-width: 960px) {
  .page-news .news-hero-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
    gap: clamp(30px, 5vw, 64px);
  }

  .page-news .news-rules-layout {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  }

  .page-news .news-iter-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-news .news-flash-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pulse-dot {
    animation: none;
  }

  .page-news .flash-card,
  .page-news .topic-card,
  .page-news .news-item,
  .page-news .tl-item {
    transition: none;
  }
}