.page-news {
  --news-rail: 124px;
  --news-line: rgba(42, 74, 64, .55);
  --news-rule: rgba(26, 42, 36, .82);
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-soft);
}
.page-news .breadcrumb a {
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--cream);
}
.page-news__crumb-sep {
  color: var(--mist);
  opacity: .6;
}

/* 首屏 */
.page-news__hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 4.5vw, 60px) 0 clamp(40px, 6vw, 78px);
}
.page-news__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--news-line) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, var(--news-line) 0 1px, transparent 1px 88px);
  opacity: .32;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 84%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 84%);
}
.page-news__hero::after {
  content: "";
  position: absolute;
  top: -16%;
  right: -16%;
  width: 58%;
  height: 132%;
  background: linear-gradient(152deg, rgba(198, 255, 61, .15) 0%, rgba(61, 139, 255, .07) 52%, transparent 100%);
  transform: skewX(-9deg);
  pointer-events: none;
}
.page-news__hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: end;
}
@media (min-width: 960px) {
  .page-news__hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }
}
.page-news__h1 {
  margin: 14px 0 0;
  font-size: clamp(31px, 5.2vw, 60px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--cream);
  overflow-wrap: break-word;
}
.page-news__hero-copy .lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 16px;
  color: var(--text-soft);
}
.page-news__hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.page-news__hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  color: var(--text-soft);
}
.page-news__hero-stats .num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--lime);
}
.page-news__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-news__hero-figure {
  margin: 0;
  position: relative;
}
.page-news__hero-figure.media-frame {
  border-left: 3px solid var(--red);
}
@media (min-width: 960px) {
  .page-news__hero-figure {
    transform: translateY(10px);
  }
}

/* 分类索引 */
.page-news__topics-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
@media (min-width: 860px) {
  .page-news__topics-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    align-items: end;
    gap: 32px;
  }
}
.page-news__topics-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}
.page-news__topics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news__topics .tag {
  cursor: default;
  transition: transform .16s var(--ease);
}
.page-news__topics li:hover .tag {
  transform: translateY(-2px);
}

/* 条目列表与时间轴 */
.page-news__stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 28px;
}
@media (min-width: 900px) {
  .page-news__stream {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
  }
}
.page-news__rail {
  display: none;
}
@media (min-width: 900px) {
  .page-news__rail {
    display: flex;
    flex-direction: column;
    gap: 34px;
    position: sticky;
    top: 112px;
    align-self: start;
    padding-top: 22px;
  }
  .page-news__rail-item {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .05em;
    line-height: 1.4;
    color: var(--text-soft);
  }
  .page-news__rail-item::before {
    content: "";
    flex: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--mist);
    box-shadow: 0 0 0 3px rgba(42, 74, 64, .45);
  }
  .page-news__rail-item--now::before {
    background: var(--lime);
    box-shadow: 0 0 0 3px rgba(198, 255, 61, .22);
  }
  .page-news__rail-item--red::before {
    background: var(--red);
    box-shadow: 0 0 0 3px rgba(255, 59, 48, .2);
  }
}
.page-news__entries {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}
@media (min-width: 900px) {
  .page-news__entries {
    border-left: 1px solid var(--edge-soft);
    padding-left: 26px;
  }
}
.page-news__entry {
  position: relative;
  min-width: 0;
  padding: 20px 22px 18px;
  background: var(--cream);
  color: var(--paper-ink);
  border: 1px solid rgba(11, 31, 26, .14);
  border-radius: var(--radius);
  box-shadow: 0 18px 38px -30px rgba(0, 0, 0, .95);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.page-news__entry:hover {
  transform: translateY(-3px);
  border-color: rgba(198, 255, 61, .55);
  box-shadow: 0 26px 48px -30px rgba(0, 0, 0, 1);
}
@media (min-width: 900px) {
  .page-news__entry::before {
    content: "";
    position: absolute;
    left: -31px;
    top: 26px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 0 3px var(--ink), 0 0 0 4px var(--edge);
  }
  .page-news__entry[data-kind="data"]::before { background: var(--amber); }
  .page-news__entry[data-kind="review"]::before { background: var(--red); }
  .page-news__entry[data-kind="legacy"]::before { background: var(--mist); }
}
.page-news__entry-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 10px;
}
.page-news__kind {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper-ink);
  background: rgba(11, 31, 26, .08);
  border: 1px solid rgba(11, 31, 26, .18);
  border-radius: var(--radius);
}
.page-news__kind--mobile { background: rgba(198, 255, 61, .55); border-color: rgba(159, 204, 46, .85); }
.page-news__kind--data { background: rgba(255, 176, 32, .34); border-color: rgba(255, 176, 32, .75); }
.page-news__kind--review { background: rgba(255, 59, 48, .18); border-color: rgba(255, 59, 48, .55); }
.page-news__kind--rights { background: rgba(61, 139, 255, .16); border-color: rgba(61, 139, 255, .5); }
.page-news__kind--legacy { background: rgba(155, 176, 166, .32); border-color: rgba(155, 176, 166, .7); }
.page-news__when {
  font-size: 11.5px;
  letter-spacing: .04em;
  color: rgba(26, 42, 36, .58);
}
.page-news__entry h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper-ink);
}
.page-news__entry p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--news-rule);
}

/* 阶段摘要块 */
.page-news__pause {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  margin: 4px 0;
  padding: 24px;
  background: linear-gradient(140deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
}
.page-news__pause::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--lime);
}
@media (min-width: 720px) {
  .page-news__pause {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}
.page-news__pause-text {
  margin: 12px 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}
.page-news__pause-text .num {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--lime);
}
.page-news__pause .media-frame {
  margin: 0;
}

/* 长期专题 */
.page-news__series {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 26px;
}
@media (min-width: 780px) {
  .page-news__series {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-news__series-card {
  position: relative;
  padding: 22px 20px 22px;
  background: var(--ink-2);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}
.page-news__series-card:hover {
  transform: translateY(-3px);
  border-color: rgba(198, 255, 61, .55);
}
.page-news__series-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  letter-spacing: -.04em;
  color: rgba(198, 255, 61, .24);
}
.page-news__series-card h3 {
  margin: 14px 0 10px;
  font-size: 19px;
  color: var(--cream);
}
.page-news__series-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}
.page-news__series-figure {
  margin: 26px 0 0;
}

/* 条目结构 */
.page-news__read {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}
@media (min-width: 900px) {
  .page-news__read {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 46px;
  }
}
.page-news__steps {
  display: flex;
  flex-direction: column;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-news__steps li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--edge-soft);
}
.page-news__steps li:last-child {
  border-bottom: 1px solid var(--edge-soft);
}
.page-news__steps .num {
  font-family: var(--font-mono);
  font-size: 13px;
  padding-top: 4px;
  color: var(--lime);
}
.page-news__steps strong {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
  color: var(--cream);
}
.page-news__steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}
.page-news__read-figure {
  margin: 0;
}
@media (min-width: 900px) {
  .page-news__read-figure {
    transform: translateY(18px);
  }
}

/* 版本对照档案 */
.page-news__archive {
  margin-top: 26px;
  padding: clamp(18px, 2.4vw, 28px);
  background: linear-gradient(160deg, rgba(42, 74, 64, .32), rgba(11, 31, 26, .62));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
}
.page-news__archive .segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.page-news__archive .segmented__btn {
  padding: 9px 16px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--text-soft);
  background: rgba(11, 31, 26, .5);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}
.page-news__archive .segmented__btn:hover {
  color: var(--cream);
  border-color: rgba(198, 255, 61, .5);
}
.page-news__archive .segmented__btn[aria-selected="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}
.page-news__archive-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.page-news__panel {
  padding: 20px;
  background: var(--cream-2);
  color: var(--paper-ink);
  border: 1px solid rgba(11, 31, 26, .12);
  border-radius: var(--radius);
}
.page-news__panel h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper-ink);
}
.page-news__panel p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-rule);
}
.page-news__panel-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}
.page-news__panel-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--news-rule);
}
.page-news__panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime-deep);
}

/* 线索与反馈 */
.page-news__feedback {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}
@media (min-width: 900px) {
  .page-news__feedback {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 48px;
  }
}
.page-news__feedback-copy p {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}
.page-news__feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-news__feedback-side {
  padding: 22px;
  background: rgba(42, 74, 64, .22);
  border: 1px solid var(--edge);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
}
.page-news__follow {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: follow;
}
.page-news__follow li {
  position: relative;
  padding-left: 34px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  counter-increment: follow;
}
.page-news__follow li::before {
  content: counter(follow, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

/* 窄屏收尾 */
@media (max-width: 899px) {
  .page-news__entry {
    padding: 18px 18px 16px;
  }
  .page-news__pause {
    padding: 20px;
  }
}
@media (max-width: 560px) {
  .page-news__hero-stats {
    gap: 10px 18px;
  }
  .page-news__hero-stats .num {
    font-size: 20px;
  }
  .page-news__steps li {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }
  .page-news__feedback-side {
    padding: 18px;
  }
}