.page-news {
  --n-gap: clamp(18px, 2.4vw, 34px);
  --n-pad: clamp(16px, 2.2vw, 28px);
  display: block;
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(18px, 3vw, 34px) clamp(18px, 4vw, 52px) clamp(60px, 9vw, 110px);
  font-family: var(--font-body);
  color: var(--bone);
  line-height: 1.75;
  overflow-x: clip;
}

/* 面包屑 */
.page-news__crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--stone);
}
.page-news__crumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}
.page-news__crumb a:hover {
  border-bottom-color: var(--cyan);
}

/* 首屏 */
.page-news__hero {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  margin-bottom: clamp(34px, 5vw, 56px);
}
.page-news__hero-copy {
  align-self: center;
}
.page-news__hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 6.6vw, 78px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.04;
  color: var(--bone);
}
.page-news__hero-lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--stone);
}
.page-news__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}
.page-news__hero-figure {
  margin: 0;
  position: relative;
}
.page-news__hero-clip {
  position: relative;
  padding: 2px;
  background: var(--line);
  clip-path: polygon(0 3.5%, 100% 0%, 100% 96.5%, 0% 100%);
}
.page-news__hero-clip img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}
.page-news__hero-figure figcaption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--stone);
}

/* 数据条 */
.page-news__bar {
  margin-bottom: clamp(38px, 6vw, 70px);
}

/* 系列说明 */
.page-news__series-grid {
  display: grid;
  gap: var(--n-gap);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(24px, 3.6vw, 40px);
}
.page-news__series-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: var(--n-pad);
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: 6px 6px 0 var(--line);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}
.page-news__series-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--n-accent, var(--cyan));
}
.page-news__series-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  background: linear-gradient(225deg, var(--ink) 0 48%, var(--n-accent, var(--cyan)) 48% 100%);
}
.page-news__series-card:hover {
  transform: translateY(-4px);
  border-color: var(--n-accent, var(--cyan));
  box-shadow: 8px 10px 0 var(--line);
}
.page-news__series-card--review { --n-accent: var(--cyan); }
.page-news__series-card--data { --n-accent: var(--yellow); }
.page-news__series-card--tactics { --n-accent: var(--red); }
.page-news__series-card--version { --n-accent: var(--stone); }

.page-news__series-name {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--n-accent, var(--cyan));
}
.page-news__series-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--bone);
}
.page-news__series-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--stone);
}
.page-news__series-audience {
  margin: 6px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--stone);
}

/* 本轮更新：左轨 + 条目流 */
.page-news__reports {
  display: grid;
  gap: var(--n-gap);
  margin-top: clamp(24px, 3.6vw, 40px);
}
.page-news__rail {
  display: grid;
  gap: 12px;
  align-content: start;
}
.page-news__rail-cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--stone);
}
.page-news__rail .tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.page-news__rail .tabs__list::-webkit-scrollbar {
  display: none;
}
.page-news__tab {
  flex: 0 0 auto;
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone);
  background: transparent;
  border: 2px solid var(--line);
  cursor: pointer;
  white-space: nowrap;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}
.page-news__tab:hover {
  color: var(--bone);
  border-color: var(--stone);
}
.page-news__tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news__stream {
  min-width: 0;
}
.page-news__stream .tabs__panel {
  display: grid;
  gap: var(--n-gap);
}
.page-news__stream .tabs__panel[hidden] {
  display: none;
}

.page-news__item {
  display: grid;
  gap: 12px;
  padding: var(--n-pad);
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: 6px 6px 0 var(--line);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}
.page-news__item:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 8px 10px 0 var(--line);
}
.page-news__item-body {
  min-width: 0;
}
.page-news__item-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}
.page-news__item-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yellow);
}
.page-news__item-tag {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  border: 1px solid currentColor;
}
.page-news__item-tag--review { color: var(--cyan); }
.page-news__item-tag--data { color: var(--yellow); }
.page-news__item-tag--tactics { color: var(--red); }
.page-news__item-tag--version { color: var(--stone); }

.page-news__item-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.32;
  color: var(--bone);
}
.page-news__item-text {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}
.page-news__item-meta {
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--stone);
}
.page-news__item-thumb {
  margin: 0;
  overflow: hidden;
  background: var(--line);
  clip-path: polygon(0 7%, 100% 0, 100% 93%, 0 100%);
}
.page-news__item-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

/* 赛季阶段时间轴 */
.page-news__timeline {
  display: grid;
  gap: 2px;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  padding: 2px;
  list-style: none;
  background: var(--line);
  border: 2px solid var(--line);
}
.page-news__stage {
  position: relative;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: var(--n-pad);
  background: var(--panel);
  overflow: hidden;
}
.page-news__stage::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--n-stage, var(--cyan));
  transform: scaleX(.24);
  transform-origin: left center;
  transition: transform 420ms var(--ease);
}
.page-news__stage:hover::before {
  transform: scaleX(1);
}
.page-news__stage:nth-child(2) { --n-stage: var(--yellow); }
.page-news__stage:nth-child(3) { --n-stage: var(--cyan); }
.page-news__stage:nth-child(4) { --n-stage: var(--red); }

.page-news__stage-mark {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--n-stage, var(--cyan));
}
.page-news__stage-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--bone);
}
.page-news__stage p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--stone);
}
.page-news__stage .page-news__stage-meta {
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  line-height: 1.65;
  color: var(--bone);
}

/* 版本动态折叠面板 */
.page-news__accordion {
  margin-top: clamp(22px, 3.2vw, 36px);
}
.page-news__acc-h {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

/* 订阅 */
.page-news__subscribe {
  margin-top: clamp(48px, 7vw, 90px);
}
.page-news__sub-inner {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 4vw, 48px);
  background:
    linear-gradient(135deg, rgba(53, 240, 208, .08) 0%, rgba(6, 18, 15, 0) 58%),
    var(--panel);
  border: 2px solid var(--line);
  box-shadow: 8px 8px 0 var(--line);
  clip-path: polygon(0 3%, 100% 0, 100% 100%, 0 97%);
}
.page-news__sub-copy p {
  margin: 14px 0 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--stone);
}
.page-news__sub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-news__series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-news__item--thumb {
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: start;
  }
  .page-news__timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news__hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: clamp(28px, 4.4vw, 60px);
  }
  .page-news__reports {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(26px, 3.6vw, 52px);
    align-items: start;
  }
  .page-news__rail {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
  }
  .page-news__rail .tabs__list {
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-news__tab {
    text-align: left;
  }
  .page-news__sub-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-news__sub-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-news__series-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news__timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news__series-card,
  .page-news__item,
  .page-news__tab,
  .page-news__stage::before {
    transition: none;
  }
  .page-news__series-card:hover,
  .page-news__item:hover {
    transform: none;
  }
}