.page-news {
  --news-line: rgba(108, 43, 217, .42);
  --news-line-soft: rgba(167, 155, 201, .18);
  --news-glow: rgba(0, 229, 255, .28);
  display: block;
  background: var(--ink);
  color: var(--ice);
  overflow-x: clip;
}

.page-news [id] {
  scroll-margin-top: 5rem;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding: 2.4rem 0 3rem;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
}

.page-news .news-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(115% 85% at 8% 0%, rgba(108, 43, 217, .62), transparent 60%),
    radial-gradient(90% 70% at 94% 16%, rgba(0, 229, 255, .2), transparent 62%),
    linear-gradient(180deg, rgba(7, 6, 11, .34) 0%, rgba(7, 6, 11, .93) 74%, var(--ink) 100%);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 6.6vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ice);
  margin: .7rem 0 1rem;
  max-width: 20ch;
  text-wrap: balance;
}

.page-news .news-hero__inner .lede {
  max-width: 46rem;
  margin: 0 0 2rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
  max-width: 46rem;
}

.page-news .news-fact {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: .85rem 1rem;
  border-radius: var(--r-md);
  border: 1px solid var(--news-line-soft);
  background: linear-gradient(160deg, rgba(18, 12, 34, .92), rgba(18, 12, 34, .55));
}

.page-news .news-fact__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cyan);
}

.page-news .news-fact__label {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mist);
}

/* ---------- 栏目时间轴 ---------- */

.page-news .news-stream {
  position: relative;
}

.page-news .news-stream__head,
.page-news .news-block__head {
  max-width: 48rem;
  margin-bottom: 1.6rem;
}

.page-news .news-stream__head h2,
.page-news .news-block__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.6vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--ice);
  margin: .55rem 0 .8rem;
}

.page-news .news-stream__head .lede,
.page-news .news-block__head .lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-bottom: 2rem;
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  padding: .48rem 1.05rem;
  border-radius: var(--pill);
  border: 1px solid var(--news-line);
  background: var(--panel);
  color: var(--mist);
  font-size: .85rem;
  letter-spacing: .04em;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background .2s ease, box-shadow .2s ease;
}

.page-news .filter-chip:hover,
.page-news .filter-chip:focus-visible {
  border-color: var(--cyan);
  color: var(--ice);
  background: rgba(0, 229, 255, .09);
  box-shadow: 0 0 0 1px var(--news-glow), 0 0 20px rgba(0, 229, 255, .2);
  outline: none;
}

.page-news .filter-chip.is-active {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.75rem;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: .45rem;
  top: .5rem;
  bottom: 1.2rem;
  width: 2px;
  border-radius: var(--pill);
  background: linear-gradient(180deg, var(--cyan), var(--violet) 46%, var(--violet-deep));
  opacity: .55;
}

.page-news .tl-item {
  position: relative;
  padding-bottom: 1.4rem;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -1.65rem;
  top: 1.1rem;
  z-index: 1;
  width: .72rem;
  height: .72rem;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, .1), 0 0 14px rgba(0, 229, 255, .5);
}

.page-news .tl-card {
  position: relative;
  padding: 1.05rem 1.1rem 1rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--news-line);
  background: linear-gradient(165deg, rgba(18, 12, 34, .96), rgba(18, 12, 34, .72));
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.page-news .tl-card:hover,
.page-news .tl-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, .5);
  box-shadow: 0 20px 46px -26px rgba(108, 43, 217, .95), 0 0 0 1px rgba(0, 229, 255, .2);
}

.page-news .tl-item:first-child .tl-card {
  border-color: rgba(0, 229, 255, .42);
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(108, 43, 217, .55), transparent 58%),
    linear-gradient(165deg, rgba(18, 12, 34, .98), rgba(18, 12, 34, .78));
}

.page-news .tl-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-bottom: .6rem;
}

.page-news .tl-card__num {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--orange);
  padding: .18rem .55rem;
  border-radius: var(--pill);
  background: rgba(255, 122, 47, .12);
  border: 1px solid rgba(255, 122, 47, .38);
}

.page-news .tl-card__when {
  margin-left: auto;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .tl-card__title {
  margin: 0 0 .5rem;
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ice);
}

.page-news .tl-item:first-child .tl-card__title {
  font-size: 1.3rem;
  line-height: 1.35;
}

.page-news .tl-card__excerpt {
  margin: 0 0 .85rem;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .tl-card .accordion {
  padding-top: .7rem;
  border-top: 1px dashed var(--news-line-soft);
}

.page-news .tl-card .accordion__trigger {
  font-size: .84rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-news .stream-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--news-line-soft);
}

/* ---------- 版本说明 ---------- */

.page-news .news-versions,
.page-news .news-experts,
.page-news .news-observe,
.page-news .news-cadence {
  position: relative;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .version-grid {
  display: grid;
  gap: 1.6rem;
}

.page-news .version-table-wrap {
  overflow-x: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--news-line);
  background: var(--panel);
}

.page-news .version-table-wrap .data-table {
  width: 100%;
  min-width: 34rem;
}

.page-news .version-table-wrap .data-table th[scope="row"] {
  white-space: nowrap;
}

.page-news .version-figure,
.page-news .expert-figure,
.page-news .observe-figure {
  margin: 0;
}

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

/* ---------- 专家专栏 ---------- */

.page-news .expert-grid {
  display: grid;
  gap: 1.7rem;
}

.page-news .expert-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-news .expert-item {
  padding: 1.05rem 1.1rem 1.1rem 1.25rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--news-line-soft);
  border-left: 3px solid var(--violet);
  background: var(--panel);
  transition: transform .2s ease, border-left-color .2s ease;
}

.page-news .expert-item:hover {
  transform: translateY(-2px);
  border-left-color: var(--cyan);
}

.page-news .expert-item .eyebrow {
  display: block;
  margin: 0 0 .45rem;
  color: var(--orange);
}

.page-news .expert-item h3 {
  margin: 0 0 .5rem;
  font-size: 1.04rem;
  line-height: 1.45;
  color: var(--ice);
}

.page-news .expert-item p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 赛事观察与轮次笔记 ---------- */

.page-news .observe-grid {
  display: grid;
  gap: 2rem;
}

.page-news .observe-col h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.8vw, 2.1rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ice);
  margin: .5rem 0 1rem;
}

.page-news .observe-col .lede {
  margin: 0 0 1.4rem;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .observe-figure {
  margin-bottom: 1.4rem;
}

.page-news .note-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-news .note-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .8rem;
  align-items: baseline;
  padding: .78rem .95rem;
  border-radius: var(--r-md);
  border: 1px solid var(--news-line-soft);
  background: rgba(18, 12, 34, .72);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--ice);
}

.page-news .note-list li .num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--orange);
  white-space: nowrap;
}

/* ---------- 更新节奏 ---------- */

.page-news .cadence-panel {
  position: relative;
  overflow: hidden;
  padding: 1.6rem 1.25rem;
  border-radius: var(--r-xl);
  border: 1px solid var(--news-line);
  background:
    radial-gradient(130% 120% at 88% 0%, rgba(0, 229, 255, .16), transparent 58%),
    linear-gradient(160deg, rgba(59, 21, 128, .72), rgba(18, 12, 34, .96) 62%);
}

.page-news .cadence-panel h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--ice);
  margin: .5rem 0 .8rem;
}

.page-news .cadence-panel > .lede {
  max-width: 46rem;
  margin: 0 0 1.3rem;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .cadence-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.4rem;
}

/* ---------- 收尾入口 ---------- */

.page-news .cta-strip {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 1.1rem;
  padding: 1.6rem 1.3rem;
  border-radius: var(--r-xl);
  border: 1px solid rgba(0, 229, 255, .28);
  background: linear-gradient(120deg, rgba(108, 43, 217, .58), rgba(7, 6, 11, .92) 82%);
}

.page-news .cta-strip h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.9vw, 2.1rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ice);
  margin: .35rem 0 0;
  max-width: 26ch;
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .news-hero {
    padding: 3.2rem 0 3.6rem;
  }

  .page-news .news-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .cadence-panel {
    padding: 2rem 1.8rem;
  }

  .page-news .cta-strip {
    padding: 2rem 1.8rem;
  }
}

@media (min-width: 900px) {
  .page-news .timeline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 0;
    row-gap: 1.9rem;
    padding-left: 0;
  }

  .page-news .timeline::before {
    left: 50%;
    transform: translateX(-1px);
    bottom: 1.6rem;
  }

  .page-news .tl-item {
    padding-bottom: 0;
  }

  .page-news .tl-item:nth-child(odd) {
    padding-right: 2.8rem;
  }

  .page-news .tl-item:nth-child(even) {
    padding-left: 2.8rem;
  }

  .page-news .tl-item:nth-child(odd)::before {
    left: auto;
    right: -.36rem;
  }

  .page-news .tl-item:nth-child(even)::before {
    left: -.36rem;
  }

  .page-news .version-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: start;
    gap: 2.2rem;
  }

  .page-news .expert-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 2.4rem;
  }

  .page-news .observe-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.6rem;
  }
}

@media (min-width: 1180px) {
  .page-news .news-block__head {
    margin-bottom: 2.2rem;
  }

  .page-news .cadence-panel {
    padding: 2.6rem 2.4rem;
  }
}