.page-news {
  --news-rail-w: 196px;
  --news-stamp-w: 68px;
  display: block;
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-ink);
}

/* ---------- 页面头部 ---------- */
.page-news .news-head {
  position: relative;
  padding: 26px 0 26px;
  border-bottom: var(--hair);
}

.page-news .news-head .page-head__title {
  max-width: 22ch;
}

.page-news .news-head__strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-text-2);
}

.page-news .news-head__strip span {
  position: relative;
  padding-left: 14px;
}

.page-news .news-head__strip span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  background: var(--c-orange);
  transform: rotate(45deg);
}

/* ---------- 首屏主图 ---------- */
.page-news .news-hero {
  margin: 30px 0 0;
}

.page-news .news-hero .figure__frame {
  border: var(--hair);
  background: var(--c-layer);
}

.page-news .figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 双栏骨架 ---------- */
.page-news .news-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 6px;
}

/* ---------- 侧边索引 ---------- */
.page-news .news-rail {
  padding: 26px 0 0;
  border-top: var(--hair);
}

.page-news .news-rail__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-news .news-rail__label--gap {
  margin-top: 28px;
}

.page-news .news-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .news-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 11px;
  border: var(--hair);
  border-radius: var(--r);
  color: var(--c-text-2);
  font-size: 12.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-news .news-rail__link:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-news .news-rail__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-mist);
}

.page-news .news-rail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

/* ---------- 右侧内容列 ---------- */
.page-news .news-main {
  min-width: 0;
  padding-top: 26px;
}

.page-news .news-section {
  padding: 30px 0 40px;
  border-top: var(--hair);
  scroll-margin-top: 118px;
}

.page-news .news-section__head {
  margin-bottom: 26px;
}

.page-news .news-section__index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-orange);
}

.page-news .news-section__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.6vw, 31px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--c-text);
}

.page-news .news-section__lead {
  max-width: 62ch;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-2);
}

/* ---------- 动态条目 ---------- */
.page-news .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--hair);
}

.page-news .feed__item {
  display: grid;
  grid-template-columns: var(--news-stamp-w) minmax(0, 1fr);
  border-bottom: var(--hair);
}

.page-news .feed__stamp {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 20px 12px 20px 0;
  border-right: var(--hair);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: var(--c-mist);
}

.page-news .feed__stamp-phase {
  color: var(--c-orange);
}

.page-news .feed__card {
  padding: 20px 16px 22px 16px;
  transition: transform var(--t) var(--ease), background-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-news .feed__item:hover .feed__card,
.page-news .feed__item:focus-within .feed__card {
  background: var(--c-layer);
  transform: translateY(-3px);
  box-shadow: var(--shadow-deep);
}

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

.page-news .feed__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--c-text);
  transition: color var(--t) var(--ease);
}

.page-news .feed__item:hover .feed__title,
.page-news .feed__item:focus-within .feed__title {
  color: var(--c-cyan);
}

.page-news .feed__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-text-2);
}

.page-news .feed__next {
  display: inline-block;
  margin: 14px 0 0;
  padding: 4px 9px;
  border: 1px dashed var(--c-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--c-mist);
}

/* ---------- 赛季专题 ---------- */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  border: var(--hair);
  background: var(--c-layer);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--c-cyan);
  box-shadow: var(--shadow-deep);
}

.page-news .topic-card__figure {
  margin: 0;
  border-bottom: var(--hair);
  background: var(--c-ink);
  overflow: hidden;
}

.page-news .topic-card__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 18px;
}

.page-news .topic-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .topic-card__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}

.page-news .topic-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--c-text);
}

.page-news .topic-card__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-2);
}

.page-news .topic-card__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: var(--hair);
}

.page-news .topic-card__stats div {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-news .topic-card__stats dt {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

.page-news .topic-card__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-orange);
}

/* ---------- 版本迭代 ---------- */
.page-news .version-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .timeline__item {
  position: relative;
  padding: 0 0 28px 24px;
}

.page-news .timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-ink);
  border: 1px solid var(--c-cyan);
  z-index: 1;
}

.page-news .timeline__item::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: -6px;
  width: 1px;
  background: var(--c-line);
}

.page-news .timeline__item:last-child::after {
  display: none;
}

.page-news .timeline__item:last-child::before {
  background: var(--c-orange);
  border-color: var(--c-orange);
}

.page-news .timeline__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-orange);
}

.page-news .timeline__when {
  margin: 3px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-news .timeline__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--c-text);
}

.page-news .timeline__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-2);
}

.page-news .version-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news .version-aside .figure {
  margin: 0;
}

/* ---------- 编辑手记 ---------- */
.page-news .notes-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news .notes-text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text-2);
}

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

.page-news .notes-intro .figure {
  margin: 0;
}

.page-news .notes-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.page-news .notes-card {
  padding: 18px;
  border: var(--hair);
  border-top: 2px solid var(--c-cyan);
  background: var(--c-layer);
}

.page-news .notes-card:nth-child(2) {
  border-top-color: var(--c-orange);
}

.page-news .notes-card:nth-child(3) {
  border-top-color: var(--c-mist);
}

.page-news .notes-card__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--c-text);
}

.page-news .notes-card__count {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-news .notes-card__text {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-text-2);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  margin: 0;
  border-top: var(--hair);
}

.page-news .cadence__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px 20px;
  padding: 16px 0;
  border-bottom: var(--hair);
}

.page-news .cadence__term {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

.page-news .cadence__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--c-cyan);
}

.page-news .cadence__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-2);
}

/* ---------- 收尾引导 ---------- */
.page-news .news-cta {
  border-top: var(--hair);
  background: linear-gradient(180deg, rgba(79, 227, 208, 0.07) 0%, rgba(10, 22, 38, 0) 78%);
}

.page-news .news-cta__inner {
  padding: 46px 0 58px;
}

.page-news .news-cta__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--c-text);
}

.page-news .news-cta__text {
  max-width: 58ch;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-2);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .topic-card--feature {
    grid-column: 1 / -1;
  }

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

@media (min-width: 760px) {
  .page-news .cadence__row {
    grid-template-columns: 156px 168px minmax(0, 1fr);
    align-items: baseline;
    gap: 0 24px;
  }
}

@media (min-width: 900px) {
  .page-news .version-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 38px;
    align-items: start;
  }

  .page-news .notes-intro {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 38px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news {
    --news-stamp-w: 86px;
  }

  .page-news .news-shell {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    column-gap: clamp(30px, 4vw, 62px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 112px;
    max-height: calc(100vh - 150px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-bottom: 20px;
  }

  .page-news .news-rail__list {
    display: block;
  }

  .page-news .news-rail__list li + li {
    margin-top: 2px;
  }

  .page-news .news-rail__link {
    display: flex;
    width: 100%;
    padding: 8px 10px;
    border: 0;
    border-left: 2px solid var(--c-line);
    border-radius: 0;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.03em;
  }

  .page-news .news-rail__count {
    margin-left: auto;
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible {
    border-left-color: var(--c-cyan);
    background: var(--c-layer);
    color: var(--c-cyan);
  }

  .page-news .news-rail__link.is-active {
    border-left-color: var(--c-orange);
    background: var(--c-layer);
    color: var(--c-cyan);
  }

  .page-news .news-main {
    padding-top: 30px;
  }

  .page-news .feed__card {
    padding: 22px 20px 24px 22px;
  }

  .page-news .news-section {
    padding: 34px 0 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed__card,
  .page-news .topic-card,
  .page-news .feed__title,
  .page-news .news-rail__link {
    transition: none;
  }

  .page-news .feed__item:hover .feed__card,
  .page-news .feed__item:focus-within .feed__card,
  .page-news .topic-card:hover,
  .page-news .topic-card:focus-within {
    transform: none;
  }
}