.page-news {
  --news-gap: clamp(1rem, 2.6vw, 1.75rem);
  background: var(--night);
  color: var(--fog);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
  overflow-x: clip;
}

.page-news .news-crumb {
  padding-top: clamp(1rem, 3vw, 1.75rem);
  padding-bottom: .25rem;
}

/* ---------- 刊头 ---------- */
.page-news .news-hero {
  position: relative;
  margin-top: clamp(1rem, 2.5vw, 1.75rem);
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  isolation: isolate;
  overflow: hidden;
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.85) contrast(1.06);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg, rgba(6, 27, 22, .94) 18%, rgba(6, 27, 22, .48) 66%, rgba(6, 27, 22, .88) 100%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(2.5rem, 7vw, 5rem);
  padding-bottom: clamp(1.75rem, 4.5vw, 3.25rem);
}

.page-news .news-hero h1 {
  margin: .7rem 0 1rem;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 4.4rem);
  line-height: .98;
  letter-spacing: -.04em;
  color: #F4FBF7;
  text-wrap: balance;
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  line-height: 1.75;
  color: var(--fog);
}

.page-news .news-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__tags li {
  padding: .3rem .7rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--pulse-soft);
  border: 1px solid var(--edge);
  background: rgba(42, 245, 176, .07);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.page-news .news-rhythm__head {
  margin-top: .5rem;
  max-width: 62ch;
}

.page-news .news-rhythm__head h2,
.page-news .news-topics h2,
.page-news .news-index__title {
  margin: .35rem 0 .6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 2.8vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: -.03em;
  color: #EDF7F2;
}

.page-news .news-rhythm__head p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mute);
}

.page-news .news-rhythm__grid {
  display: grid;
  gap: var(--news-gap);
  margin-top: 1.5rem;
}

.page-news .news-rhythm__stages {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-rhythm__stage {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: .25rem .85rem;
  align-items: start;
  padding: .85rem 1rem .95rem;
  background: var(--panel);
  border-left: 3px solid var(--pulse);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-news .news-rhythm__stage:nth-child(2) { border-left-color: var(--pulse-soft); }
.page-news .news-rhythm__stage:nth-child(3) { border-left-color: var(--amber); }
.page-news .news-rhythm__stage:nth-child(4) { border-left-color: var(--flare); }

.page-news .news-rhythm__cycle {
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--pulse);
  padding-top: .15rem;
}

.page-news .news-rhythm__stage h3 {
  margin: 0 0 .25rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fog);
  letter-spacing: .01em;
}

.page-news .news-rhythm__stage p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.65;
  color: var(--mute);
}

.page-news .news-rhythm__figure {
  position: relative;
  margin: 0;
  min-height: 200px;
  overflow: hidden;
  border: 1px solid var(--edge);
  background: var(--rail);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .news-rhythm__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.page-news .news-rhythm__figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem .9rem .7rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--pulse-soft);
  background: linear-gradient(transparent, rgba(5, 15, 12, .94));
}

/* ---------- 置顶公告 ---------- */
.page-news .news-pinned {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.page-news .news-pinned__card {
  position: relative;
  display: grid;
  background: var(--panel);
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .news-pinned__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--flare), var(--amber) 42%, rgba(31, 90, 73, 0) 92%);
  z-index: 2;
}

.page-news .news-pinned__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--rail);
}

.page-news .news-pinned__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
  opacity: .9;
}

.page-news .news-pinned__body {
  padding: clamp(1.1rem, 3vw, 2rem);
}

.page-news .news-pinned__flag {
  display: flex;
  align-items: center;
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--flare);
}

.page-news .news-pinned__dot {
  flex: 0 0 auto;
  width: .5rem;
  height: .5rem;
  margin-right: .5rem;
  border-radius: 50%;
  background: var(--flare);
  box-shadow: 0 0 0 0 rgba(255, 91, 46, .55);
  animation: newsPulse 2.8s ease-out infinite;
}

@keyframes newsPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 91, 46, .55); }
  70%  { box-shadow: 0 0 0 .55rem rgba(255, 91, 46, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 91, 46, 0); }
}

.page-news .news-pinned__body h2 {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.14;
  letter-spacing: -.03em;
  color: #F2FBF6;
}

.page-news .news-pinned__body > p {
  margin: 0 0 1rem;
  font-size: .9688rem;
  line-height: 1.75;
  color: var(--fog);
  max-width: 60ch;
}

.page-news .news-pinned__list {
  display: grid;
  gap: .45rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}

.page-news .news-pinned__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .9063rem;
  line-height: 1.7;
  color: var(--mute);
}

.page-news .news-pinned__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .5rem;
  height: 2px;
  background: var(--pulse);
}

.page-news .news-pinned__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

/* ---------- 目录 + 动态流 ---------- */
.page-news .news-body {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.page-news .news-body__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.page-news .news-index {
  border-top: 1px solid var(--edge);
  padding-top: 1rem;
}

.page-news .news-index__title {
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  margin-bottom: 1rem;
}

.page-news .news-index__nav {
  display: grid;
  gap: .1rem;
}

.page-news .news-index__group {
  padding: .7rem 0 .8rem;
  border-bottom: 1px solid var(--rail);
}

.page-news .news-index__label {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  margin: 0 0 .5rem;
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--pulse-soft);
}

.page-news .news-index__label .mono {
  color: var(--pulse);
  font-size: .75rem;
}

.page-news .news-index__group ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .45rem;
}

.page-news .news-index__group a {
  font-size: .875rem;
  line-height: 1.5;
  color: var(--mute);
}

.page-news .news-index__group a:hover,
.page-news .news-index__group a:focus-visible {
  color: var(--pulse-soft);
}

.page-news .news-index__note {
  margin: 1rem 0 0;
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--mute);
}

.page-news .news-feed__list {
  display: grid;
}

.page-news .news-item {
  position: relative;
  padding: .95rem 0 1rem 1rem;
  border-top: 1px solid var(--rail);
  scroll-margin-top: 5rem;
}

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

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  bottom: 1.15rem;
  width: 3px;
  background: var(--pulse);
  opacity: .45;
  transition: opacity var(--dur) ease;
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  opacity: 1;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem .7rem;
  font-size: .75rem;
}

.page-news .news-item__no {
  font-size: .875rem;
  font-weight: 600;
  color: var(--pulse);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--mute);
}

.page-news .news-tag {
  display: inline-block;
  padding: .12rem .5rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  line-height: 1.5;
  border: 1px solid var(--edge);
  color: var(--pulse-soft);
}

.page-news .news-tag--entry {
  color: var(--flare);
  border-color: rgba(255, 91, 46, .55);
  background: rgba(255, 91, 46, .08);
}

.page-news .news-tag--version {
  color: var(--amber);
  border-color: rgba(255, 179, 71, .45);
}

.page-news .news-tag--season {
  color: var(--pulse);
  border-color: rgba(42, 245, 176, .45);
}

.page-news .news-tag--support {
  color: var(--fog);
  border-color: rgba(220, 232, 226, .28);
}

.page-news .news-item__title {
  margin: .4rem 0 0;
  font-size: clamp(1.0625rem, 1.9vw, 1.3rem);
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-news .news-item__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  margin: 0;
  padding: 0;
  background: none;
  border: 0;
  color: var(--fog);
  font: inherit;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: color var(--dur) ease;
}

.page-news .news-item__trigger:hover,
.page-news .news-item__trigger:focus-visible {
  color: var(--pulse-soft);
}

.page-news .news-item__trigger:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 3px;
}

.page-news .news-item__plus {
  position: relative;
  flex: 0 0 auto;
  width: 1.05rem;
  height: 1.05rem;
  margin-top: .18rem;
  border: 1px solid var(--edge);
}

.page-news .news-item__plus::before,
.page-news .news-item__plus::after {
  content: "";
  position: absolute;
  left: 22%;
  right: 22%;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  background: var(--pulse);
  transition: transform var(--dur) ease;
}

.page-news .news-item__plus::after {
  transform: rotate(90deg);
}

.page-news .news-item__trigger[aria-expanded="true"] .news-item__plus::after {
  transform: rotate(0deg);
}

.page-news .news-item__sum {
  margin: .45rem 0 0;
  max-width: 62ch;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--mute);
}

.page-news .news-item__panel-inner {
  padding: .7rem 0 .3rem;
  max-width: 62ch;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-news .news-item__panel-inner p {
  margin: 0;
}

/* ---------- 专题 ---------- */
.page-news .news-topics {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.page-news .news-topics__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mute);
}

.page-news .news-topics__grid {
  display: grid;
  gap: var(--news-gap);
  margin-top: 1.5rem;
}

.page-news .news-topics__figure {
  position: relative;
  margin: 0;
  min-height: 220px;
  overflow: hidden;
  border: 1px solid var(--edge);
  background: var(--rail);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .news-topics__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

.page-news .news-topics__figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.75rem .9rem .7rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--pulse);
  background: linear-gradient(transparent, rgba(5, 15, 12, .94));
}

.page-news .news-topic {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: 1.15rem 1.15rem 1.3rem;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-top: 2px solid var(--pulse);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-news .news-topic--kernel { border-top-color: var(--amber); }
.page-news .news-topic--stats  { border-top-color: var(--flare); }

.page-news .news-topic__no {
  margin: 0;
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--pulse);
}

.page-news .news-topic--kernel .news-topic__no { color: var(--amber); }
.page-news .news-topic--stats .news-topic__no  { color: var(--flare); }

.page-news .news-topic h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: #EDF7F2;
}

.page-news .news-topic p {
  margin: 0;
  font-size: .9063rem;
  line-height: 1.72;
  color: var(--mute);
}

.page-news .news-topic a {
  margin-top: .35rem;
  align-self: flex-start;
  font-size: .875rem;
}

/* ---------- 结尾对接 ---------- */
.page-news .news-cta {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.page-news .news-cta__panel {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.4rem, 4vw, 2.5rem);
  background:
    linear-gradient(118deg, rgba(42, 245, 176, .12), rgba(42, 245, 176, 0) 58%),
    var(--panel);
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .news-cta__copy h2 {
  margin: .35rem 0 .6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  line-height: 1.14;
  letter-spacing: -.03em;
  color: #F2FBF6;
}

.page-news .news-cta__copy p {
  margin: 0;
  max-width: 56ch;
  font-size: .9688rem;
  line-height: 1.75;
  color: var(--mute);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
}

.page-news .news-cta__link {
  font-size: .875rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-pinned__card {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }

  .page-news .news-pinned__figure img {
    min-height: 100%;
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-topics__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .news-topics__figure { grid-column: span 5; }
  .page-news .news-topic--round { grid-column: span 7; }
  .page-news .news-topic--kernel { grid-column: span 6; }
  .page-news .news-topic--stats { grid-column: span 6; }

  .page-news .news-cta__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-news .news-body__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    align-items: start;
  }

  .page-news .news-index {
    position: sticky;
    top: 5rem;
  }

  .page-news .news-item {
    padding: 1.15rem 0 1.2rem 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-pinned__dot,
  .page-news .news-item::before,
  .page-news .news-item__plus::before,
  .page-news .news-item__plus::after,
  .page-news .news-item__trigger {
    animation: none;
    transition: none;
  }
}