.page-news {
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(780px, 94vh);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(125% 82% at 14% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(125% 82% at 14% 0%, #000 0%, transparent 74%);
  pointer-events: none;
  z-index: 0;
}

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

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-top: clamp(18px, 3vw, 32px);
  font-size: 13px;
  color: var(--silver);
}

.page-news .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--steel);
}

.page-news .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  transition: color .22s ease;
}

.page-news .breadcrumb a:hover {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(28px, 5vw, 56px) 0 clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  max-width: 22ch;
  color: var(--white);
}

.page-news .news-hero__lede {
  margin: 20px 0 0;
  max-width: 68ch;
  color: var(--silver);
}

.page-news .hero-stats {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--steel);
  border: 1px solid var(--steel);
}

.page-news .hero-stat {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 18px 18px 20px;
  background: var(--console);
}

.page-news .hero-stat__num {
  font-family: var(--font-data);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-news .hero-stat__label {
  font-size: 13px;
  line-height: 1.62;
  color: var(--silver);
}

/* ---------- 赛季时间轴 ---------- */
.page-news .season-rail {
  margin: clamp(30px, 4.5vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-news .season-node {
  position: relative;
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 0 0 22px 22px;
  border-left: 1px solid var(--steel);
}

.page-news .season-node::before {
  content: "";
  position: absolute;
  top: 5px;
  left: -4px;
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--cyan);
}

.page-news .season-node--panel::before {
  background: var(--orange);
}

.page-news .season-node--res::before {
  background: var(--pulse);
}

.page-news .season-node__stage {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver);
  opacity: .8;
}

.page-news .season-node__title {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-news .season-node__note {
  font-size: 13px;
  line-height: 1.68;
  color: var(--silver);
  opacity: .88;
}

.page-news .rail-legend {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-size: 12.5px;
  color: var(--silver);
}

.page-news .rail-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-news .rail-legend__item::before {
  content: "";
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--cyan);
}

.page-news .rail-legend__item--panel::before {
  background: var(--orange);
}

.page-news .rail-legend__item--res::before {
  background: var(--pulse);
}

/* ---------- 更新清单 ---------- */
.page-news .updates {
  padding-top: clamp(42px, 6vw, 76px);
}

.page-news .updates-layout {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-news .updates-main {
  min-width: 0;
}

/* 标签页 */
.page-news .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-news .tab {
  appearance: none;
  -webkit-appearance: none;
  font-family: inherit;
  font-size: 13.5px;
  letter-spacing: .02em;
  padding: 9px 16px;
  color: var(--silver);
  background: transparent;
  border: 1px solid var(--steel);
  cursor: pointer;
  transition: color .22s ease, border-color .22s ease, background-color .22s ease;
}

.page-news .tab:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-news .tab[aria-selected="true"] {
  color: var(--arena);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-news .tab[aria-selected="true"]:hover {
  color: var(--arena);
}

.page-news .tab:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-news .tabpanel[hidden] {
  display: none;
}

/* 列表配图 */
.page-news .updates-media,
.page-news .topics-media {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--steel);
  overflow: hidden;
  background: var(--arena);
  aspect-ratio: 3 / 2;
}

.page-news .updates-media img,
.page-news .topics-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-news .topics-media {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

/* 更新条目 */
.page-news .log {
  border-top: 1px solid var(--line);
}

.page-news .log-item {
  border-bottom: 1px solid var(--line);
}

.page-news .log-item > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 18px 4px;
  list-style: none;
  cursor: pointer;
  transition: background-color .2s ease;
}

.page-news .log-item > summary::-webkit-details-marker {
  display: none;
}

.page-news .log-item > summary:hover {
  background: rgba(0, 229, 255, .05);
}

.page-news .log-item > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-news .log-item__ver {
  flex: none;
  font-family: var(--font-data);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
  border: 1px solid var(--steel);
  padding: 3px 9px;
}

.page-news .log-item__title {
  flex: 1 1 240px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-news .log-item__time {
  flex: none;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--silver);
}

.page-news .log-item__time::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 10px;
  border-right: 1px solid var(--silver);
  border-bottom: 1px solid var(--silver);
  transform: rotate(45deg) translate(-2px, 2px);
  transition: transform .25s ease, border-color .25s ease;
}

.page-news .log-item[open] .log-item__time::after {
  transform: rotate(-135deg) translate(-2px, 2px);
  border-color: var(--cyan);
}

.page-news .log-item__body {
  display: grid;
  gap: 14px;
  max-width: 74ch;
  padding: 4px 0 24px 16px;
  border-left: 2px solid var(--steel);
  margin: 0 4px 0;
}

.page-news .log-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-news .log-item__body a {
  justify-self: start;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(0, 229, 255, .35);
  transition: border-color .2s ease;
}

.page-news .log-item__body a:hover {
  border-color: var(--cyan);
}

/* ---------- 版本号索引 ---------- */
.page-news .version-index {
  border: 1px solid var(--steel);
  background: var(--console);
  padding: 20px 18px 22px;
  min-width: 0;
}

.page-news .version-index__title {
  margin: 0;
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--white);
}

.page-news .version-index__lead {
  margin: 10px 0 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .vi-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
}

.page-news .vi-row__code {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--cyan);
}

.page-news .vi-row__note {
  color: var(--silver);
  text-align: right;
}

/* ---------- 赛季专题 ---------- */
.page-news .topics {
  padding-top: clamp(46px, 6.4vw, 84px);
}

.page-news .topic-grid {
  margin-top: clamp(20px, 3vw, 32px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .topic {
  position: relative;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 26px 20px 26px;
  background: var(--console);
}

.page-news .topic::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--cyan);
}

.page-news .topic:nth-child(even)::before {
  background: var(--orange);
}

.page-news .topic__num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--silver);
  opacity: .8;
}

.page-news .topic__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-news .topic__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--silver);
}

.page-news .topic__link {
  align-self: end;
  justify-self: start;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .32);
  padding-bottom: 2px;
  transition: border-color .2s ease;
}

.page-news .topic__link:hover {
  border-color: var(--cyan);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  padding-top: clamp(46px, 6.4vw, 84px);
}

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
}

.page-news .cadence-copy p {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .cadence-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .cadence-item {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--console);
}

.page-news .cadence-item__value {
  font-family: var(--font-data);
  font-size: 17px;
  font-weight: 700;
  color: var(--cyan);
}

.page-news .cadence-item__label {
  font-size: 13px;
  line-height: 1.62;
  color: var(--silver);
}

/* ---------- 继续了解 ---------- */
.page-news .next-steps {
  margin-top: clamp(32px, 4.4vw, 56px);
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--steel);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, .09), transparent 56%),
    var(--console);
}

.page-news .next-steps__title {
  margin: 0 0 10px;
  font-size: clamp(1.22rem, 2.4vw, 1.68rem);
  line-height: 1.3;
  color: var(--white);
}

.page-news .next-steps__text {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-news .next-steps__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

  .page-news .cadence-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .season-rail {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-news .season-node {
    padding: 24px 22px 4px 0;
    border-left: 0;
    border-top: 1px solid var(--steel);
  }

  .page-news .season-node::before {
    top: -4px;
    left: 0;
  }

  .page-news .next-steps {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-news .cadence-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-news .updates-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: start;
  }

  .page-news .version-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

@media (min-width: 1180px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tab,
  .page-news .log-item > summary,
  .page-news .log-item__time::after,
  .page-news .topic__link,
  .page-news .log-item__body a {
    transition: none;
  }
}
</final>