/* ============================================
   更新周报 /updates/ — page-news
   ============================================ */

.page-news {
  --n-hair: rgba(11, 59, 46, .14);
  --n-hair-strong: rgba(11, 59, 46, .34);
  --n-gap: clamp(2.25rem, 5vw, 4.5rem);
  --n-body: rgba(16, 24, 21, .8);
  background: var(--chrome);
  color: var(--ink);
  overflow-x: clip;
}

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

.page-news .media-frame {
  margin: 0;
}

/* ---------- 首屏文字建筑 ---------- */

.page-news .news-head {
  padding-block: clamp(1.9rem, 4.5vw, 3.6rem) clamp(1.25rem, 3vw, 2rem);
}

.page-news .news-head__eyebrow {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin: 1.35rem 0 .85rem;
}

.page-news .news-head__eyebrow::before {
  content: "";
  flex: 0 0 auto;
  width: .7rem;
  height: .7rem;
  background: var(--signal);
  border: 2px solid var(--pitch);
}

.page-news .news-head h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.9rem);
  line-height: 1.03;
  letter-spacing: .02em;
  color: var(--pitch);
  max-width: 24ch;
}

.page-news .news-head__lede {
  margin: 1.15rem 0 0;
  max-width: 58ch;
}

.page-news .news-head__index {
  display: inline-block;
  margin: 1.6rem 0 0;
  padding-top: .75rem;
  border-top: 2px solid var(--pitch);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--pitch-2);
}

/* ---------- 通用小节标题 ---------- */

.page-news .news-sec-title {
  position: relative;
  margin: 0 0 1rem;
  padding-left: .9rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.15;
  letter-spacing: .02em;
  color: var(--pitch);
}

.page-news .news-sec-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .14em;
  bottom: .14em;
  width: 6px;
  background: var(--signal);
}

/* ---------- 本期摘要 ---------- */

.page-news .news-summary {
  padding-block: var(--n-gap);
}

.page-news .news-summary__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-news .news-summary__text p {
  margin: 0 0 1rem;
  line-height: 1.8;
  color: var(--n-body);
  max-width: 34em;
}

.page-news .news-facts {
  margin: 1.6rem 0 0;
  padding: 0;
  border-top: 3px solid var(--pitch);
  display: grid;
}

.page-news .news-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--n-hair);
}

.page-news .news-facts__row dt {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--pitch-2);
}

.page-news .news-facts__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .95rem;
  color: var(--ink);
}

/* ---------- 时间轴 ---------- */

.page-news .news-timeline {
  padding-block: 0 var(--n-gap);
}

.page-news .news-timeline__head {
  display: grid;
  gap: .45rem;
  padding-block: 0 clamp(1.25rem, 3vw, 2rem);
}

.page-news .news-timeline__note {
  margin: 0;
  max-width: 48ch;
  color: var(--pitch-2);
  line-height: 1.75;
}

.page-news .news-timeline__figwrap {
  margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}

/* 赛段背景连续切换 */

.page-news .news-seg {
  padding-block: clamp(1.75rem, 4vw, 3rem);
  border-top: 3px solid var(--pitch);
}

.page-news .news-seg--autumn {
  background: var(--chrome);
}

.page-news .news-seg--spring {
  background: var(--chalk);
}

.page-news .news-seg__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem 1rem;
  margin-bottom: clamp(1rem, 2.5vw, 1.7rem);
}

.page-news .news-seg__head h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.12rem, 2.4vw, 1.55rem);
  letter-spacing: .06em;
  color: var(--pitch);
}

.page-news .news-seg__state {
  margin: 0;
  padding: .2rem .55rem;
  border: 1px solid var(--pitch-2);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--pitch-2);
}

/* 时间轴轨道 */

.page-news .news-track {
  position: relative;
  margin: 0;
  padding: 0 0 0 1.6rem;
  list-style: none;
}

.page-news .news-track::before {
  content: "";
  position: absolute;
  left: .42rem;
  top: .4rem;
  bottom: .4rem;
  width: 2px;
  background: var(--n-hair-strong);
}

.page-news .news-item {
  position: relative;
  padding: 1.05rem 0 1.2rem;
  border-top: 1px solid var(--n-hair);
}

.page-news .news-item:first-child {
  border-top: 0;
  padding-top: .35rem;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -1.45rem;
  top: 1.02rem;
  width: .62rem;
  height: .62rem;
  background: var(--signal);
  border: 2px solid var(--pitch);
  transform: rotate(45deg);
}

.page-news .news-item:first-child::before {
  top: .32rem;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .7rem;
  margin-bottom: .55rem;
}

.page-news .news-item__round {
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--pitch-2);
}

/* 可展开的条目正文 */

.page-news .news-item__body summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
}

.page-news .news-item__body summary::-webkit-details-marker {
  display: none;
}

.page-news .news-item__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1rem, 1.9vw, 1.18rem);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--ink);
  border-bottom: 2px solid transparent;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-news .news-item__body summary:hover .news-item__title,
.page-news .news-item__body summary:focus-visible .news-item__title {
  color: var(--pitch);
  border-bottom-color: var(--signal);
}

.page-news .news-item__cue {
  flex: 0 0 auto;
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--pitch-2);
  padding: .15rem .45rem;
  border: 1px solid var(--n-hair-strong);
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-news .news-item__body[open] .news-item__cue {
  background: var(--signal);
  color: var(--pitch);
  border-color: var(--pitch);
}

.page-news .news-item__detail {
  margin-top: .85rem;
  padding-left: .9rem;
  border-left: 3px solid var(--chalk);
}

.page-news .news-item__detail p {
  margin: 0;
  max-width: 60ch;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--n-body);
}

/* ---------- 分类标签 ---------- */

.page-news .news-cats {
  padding-block: var(--n-gap);
  border-top: 3px solid var(--pitch);
  background: var(--chrome);
}

.page-news .news-cats__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-news .news-cats__body > p {
  margin: 0;
  max-width: 46ch;
  line-height: 1.8;
  color: var(--n-body);
}

.page-news .news-cat-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 3px solid var(--pitch);
}

.page-news .news-cat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 1rem;
  padding: 1rem .2rem 1.1rem;
  border-bottom: 1px solid var(--n-hair);
  transition: background-color .15s var(--ease);
}

.page-news .news-cat:hover {
  background: var(--chalk);
}

.page-news .news-cat__key {
  grid-row: 1 / span 3;
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  font-weight: 700;
  font-size: .85rem;
  color: var(--chrome);
  background: var(--pitch);
}

.page-news .news-cat:nth-child(2) .news-cat__key {
  background: var(--varblue);
}

.page-news .news-cat:nth-child(3) .news-cat__key {
  background: var(--red);
}

.page-news .news-cat:nth-child(4) .news-cat__key {
  background: var(--pitch-2);
}

.page-news .news-cat__name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: .03em;
  color: var(--pitch);
}

.page-news .news-cat__desc {
  margin: .3rem 0 .5rem;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--n-body);
}

.page-news .news-cat__link {
  justify-self: start;
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--pitch-2);
  text-decoration: none;
  border-bottom: 1px solid var(--n-hair-strong);
  padding-bottom: 1px;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}

.page-news .news-cat__link:hover {
  color: var(--pitch);
  border-bottom-color: var(--signal);
}

/* ---------- 更新节奏 ---------- */

.page-news .news-rhythm {
  padding-block: var(--n-gap);
  border-top: 3px solid var(--pitch);
  background: var(--chalk);
}

.page-news .news-rhythm__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-news .news-beats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.2rem;
}

.page-news .news-beat {
  border-left: 6px solid var(--pitch);
  padding: .25rem 0 .35rem 1.05rem;
}

.page-news .news-beat:nth-child(2) {
  border-left-color: var(--signal);
}

.page-news .news-beat:nth-child(3) {
  border-left-color: var(--varblue);
}

.page-news .news-beat__t {
  display: block;
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--pitch-2);
}

.page-news .news-beat h3 {
  margin: .2rem 0 .35rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: .03em;
  color: var(--pitch);
}

.page-news .news-beat p {
  margin: 0;
  max-width: 56ch;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--n-body);
}

.page-news .news-rhythm__fig {
  margin-bottom: 1rem;
}

.page-news .news-rhythm__note {
  margin: 0;
  padding: .9rem 1rem;
  background: var(--chrome);
  border: 2px solid var(--pitch);
  font-size: .9rem;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 咨询与补正 ---------- */

.page-news .news-help {
  padding-block: var(--n-gap);
  border-top: 3px solid var(--signal);
  background: var(--pitch);
}

.page-news .news-help__panel {
  display: grid;
  gap: 1.1rem;
  max-width: 72ch;
}

.page-news .news-help h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 2.05rem);
  letter-spacing: .03em;
  color: var(--chrome);
}

.page-news .news-help p {
  margin: 0;
  max-width: 56ch;
  line-height: 1.85;
  color: rgba(244, 247, 245, .82);
}

.page-news .news-help__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .85rem 1.4rem;
  margin-top: .4rem;
}

.page-news .news-help__link {
  color: var(--chrome);
  font-size: .92rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 247, 245, .42);
  padding-bottom: 2px;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}

.page-news .news-help__link:hover,
.page-news .news-help__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 焦点可见性 ---------- */

.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 3px solid var(--varblue);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-news .news-facts {
    grid-template-columns: 1fr 1fr;
    column-gap: 2.5rem;
  }
}

@media (min-width: 900px) {
  .page-news .news-summary__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .news-cats__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  /* 时间轴切到左索右摘要的双列结构 */
  .page-news .news-track {
    padding-left: 0;
  }

  .page-news .news-track::before {
    left: 7.6rem;
    top: .5rem;
    bottom: .5rem;
  }

  .page-news .news-item {
    display: grid;
    grid-template-columns: 7.6rem minmax(0, 1fr);
    column-gap: 2.4rem;
    padding-top: 1.1rem;
    padding-bottom: 1.5rem;
  }

  .page-news .news-item::before {
    left: calc(7.6rem - .31rem);
    top: 1.12rem;
  }

  .page-news .news-item:first-child::before {
    top: .38rem;
  }

  .page-news .news-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: .5rem;
    margin-bottom: 0;
    padding-top: .05rem;
  }

  .page-news .news-item__detail {
    max-width: 62ch;
  }
}

@media (min-width: 1180px) {
  .page-news .news-summary__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4.4fr);
    column-gap: 4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: .001ms !important;
  }
}