.page-news {
  --pn-panel-tint: rgba(244, 247, 251, .025);
  --pn-body: #B9C6D8;
  padding-bottom: 96px;
  background:
    radial-gradient(900px 520px at 84% -8%, rgba(53, 224, 214, .10), transparent 62%),
    radial-gradient(700px 460px at 2% 30%, rgba(255, 90, 31, .07), transparent 68%);
  background-repeat: no-repeat;
}

.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--bd-cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 54px 0 44px;
  border-bottom: 1px solid var(--bd-line);
}

.page-news .news-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bd-grey);
}

.page-news .news-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: #2A4770;
}

.page-news .news-crumbs a {
  color: var(--bd-grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .news-crumbs a:hover {
  color: var(--bd-cyan);
  border-bottom-color: var(--bd-cyan);
}

.page-news .news-crumbs [aria-current="page"] {
  color: var(--bd-white);
}

.page-news .news-hero__eyebrow {
  color: var(--bd-cyan);
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  max-width: 15ch;
  font-size: clamp(34px, 6.4vw, 76px);
  font-weight: 300;
  line-height: 1.03;
  letter-spacing: -.015em;
  color: var(--bd-white);
}

.page-news .news-hero__lede {
  margin: 24px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--pn-body);
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bd-grey);
}

.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-news .news-hero__num {
  font-family: var(--bd-mono);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--bd-white);
}

/* ---------- 分屏骨架 ---------- */
.page-news .news-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-top: 48px;
}

@media (min-width: 1000px) {
  .page-news .news-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
}

/* ---------- 左侧索引 ---------- */
.page-news .news-index {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--bd-line);
}

.page-news .news-index__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bd-grey);
}

.page-news .news-index__list {
  display: flex;
  flex-direction: row;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-index__link {
  display: block;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  font-size: 14px;
  letter-spacing: .04em;
  white-space: nowrap;
  color: var(--bd-grey);
  text-decoration: none;
  transition: color .18s var(--bd-ease), background .18s var(--bd-ease), border-color .18s var(--bd-ease);
}

.page-news .news-index__link:hover {
  color: var(--bd-white);
  background: var(--bd-glass);
}

.page-news .news-index__note {
  margin: 0;
  max-width: 24ch;
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: .03em;
  color: var(--bd-grey);
}

@media (min-width: 1000px) {
  .page-news .news-index {
    position: sticky;
    top: calc(var(--bd-bar) + 26px);
    padding: 0 0 0 16px;
    border-bottom: 0;
    border-left: 1px solid var(--bd-line);
  }

  .page-news .news-index__list {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }
}

.page-news:has(#versions:target) .news-index__link[href="#versions"],
.page-news:has(#seasons:target) .news-index__link[href="#seasons"],
.page-news:has(#capability:target) .news-index__link[href="#capability"] {
  color: var(--bd-white);
  border-left-color: var(--bd-orange);
  background: var(--bd-glass);
}

/* ---------- 区块通用 ---------- */
.page-news .news-block {
  padding-bottom: 76px;
  scroll-margin-top: calc(var(--bd-bar) + 24px);
}

.page-news .news-block + .news-block {
  padding-top: 66px;
  border-top: 1px solid var(--bd-line);
}

.page-news .news-block__head {
  margin-bottom: 22px;
}

.page-news .news-block__head .bd-eyebrow {
  color: var(--bd-cyan);
}

.page-news .news-block__head .bd-title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 400;
  line-height: 1.22;
  color: var(--bd-white);
}

.page-news .news-block__intro {
  margin: 0 0 26px;
  max-width: 48ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pn-body);
}

/* ---------- 版本迭代主条目 ---------- */
.page-news .news-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--bd-line);
  background: var(--bd-panel);
  overflow: hidden;
}

@media (min-width: 820px) {
  .page-news .news-lead {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

.page-news .news-lead__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 30px 26px;
  justify-content: center;
}

@media (min-width: 820px) {
  .page-news .news-lead__body {
    padding: 42px 38px;
  }
}

.page-news .news-lead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-lead__ver {
  margin: 0;
  font-family: var(--bd-mono);
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--bd-orange);
}

.page-news .news-lead__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 500;
  line-height: 1.36;
  color: var(--bd-white);
}

.page-news .news-lead__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pn-body);
}

.page-news .news-lead__body .bd-btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-news .news-lead__media {
  margin: 0;
  min-height: 200px;
  background: linear-gradient(150deg, #0C2138, #06101F);
}

.page-news .news-lead__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

/* ---------- 次级条目组 ---------- */
.page-news .news-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
}

@media (min-width: 720px) {
  .page-news .news-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news .news-item {
  border: 1px solid var(--bd-line);
  background: var(--pn-panel-tint);
  transition: border-color .2s var(--bd-ease), background .2s var(--bd-ease);
}

.page-news .news-item:hover {
  border-color: #2A4770;
}

.page-news .news-item[open] {
  background: var(--bd-panel);
  border-color: rgba(53, 224, 214, .34);
}

.page-news .news-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-item > summary::marker {
  content: "";
}

.page-news .news-item__ver {
  padding: 3px 7px;
  border: 1px solid rgba(255, 90, 31, .45);
  border-radius: var(--bd-radius);
  font-family: var(--bd-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  white-space: nowrap;
  color: var(--bd-orange);
}

.page-news .news-item__title {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--bd-white);
}

.page-news .news-item__arrow {
  width: 8px;
  height: 8px;
  flex: none;
  border-right: 1.5px solid var(--bd-cyan);
  border-bottom: 1.5px solid var(--bd-cyan);
  transform: rotate(-45deg);
  transition: transform .25s var(--bd-ease);
}

.page-news .news-item[open] .news-item__arrow {
  transform: rotate(45deg);
}

.page-news .news-item__panel {
  margin: 0 18px 20px;
  padding: 2px 0 0 16px;
  border-left: 2px solid var(--bd-cyan);
}

.page-news .news-item__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pn-body);
}

.page-news .news-item__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--bd-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, .35);
}

.page-news .news-item__link:hover {
  border-bottom-color: var(--bd-cyan);
}

/* ---------- 赛季专题 ---------- */
.page-news .news-season__banner {
  margin: 0 0 36px;
  border: 1px solid var(--bd-line);
  overflow: hidden;
  background: linear-gradient(160deg, #0B2038, #060D18);
}

.page-news .news-season__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .news-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-news .news-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }
}

.page-news .news-stage {
  position: relative;
  padding: 0 0 28px 30px;
}

.page-news .news-stage::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: -4px;
  left: 5px;
  width: 1px;
  background: var(--bd-line);
}

.page-news .news-stage:last-child::before {
  display: none;
}

.page-news .news-stage::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border: 2px solid var(--bd-cyan);
  border-radius: 50%;
  background: var(--bd-deep);
}

@media (min-width: 760px) {
  .page-news .news-stage {
    padding: 30px 0 0;
  }

  .page-news .news-stage::before {
    top: 5px;
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .page-news .news-stage:last-child::before {
    display: block;
  }

  .page-news .news-stage::after {
    top: 0;
    left: 0;
  }
}

.page-news .news-stage h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--bd-white);
}

.page-news .news-stage p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--bd-grey);
}

/* ---------- 数据能力 ---------- */
.page-news .news-cap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--bd-line);
  background: var(--bd-panel);
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-news .news-cap {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: stretch;
  }
}

.page-news .news-cap__media {
  margin: 0;
  min-height: 200px;
  background: linear-gradient(150deg, #0C2138, #06101F);
}

.page-news .news-cap__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

@media (min-width: 760px) {
  .page-news .news-cap__media img {
    aspect-ratio: auto;
  }
}

.page-news .news-cap__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 26px;
}

@media (min-width: 760px) {
  .page-news .news-cap__body {
    gap: 14px;
    padding: 38px 36px;
    justify-content: center;
  }
}

.page-news .news-cap__body h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--bd-white);
}

.page-news .news-cap__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pn-body);
}

/* ---------- 更新提醒 ---------- */
.page-news .news-sub {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 4px;
  border: 1px solid var(--bd-line);
  background:
    linear-gradient(135deg, rgba(255, 90, 31, .13), transparent 58%),
    var(--bd-panel);
  overflow: hidden;
}

@media (min-width: 860px) {
  .page-news .news-sub {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1fr);
    align-items: stretch;
  }
}

.page-news .news-sub__media {
  margin: 0;
  min-height: 160px;
  background: linear-gradient(160deg, #0B2038, #060D18);
}

.page-news .news-sub__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 1;
}

@media (min-width: 860px) {
  .page-news .news-sub__media img {
    aspect-ratio: auto;
  }
}

.page-news .news-sub__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px 26px;
}

@media (min-width: 860px) {
  .page-news .news-sub__body {
    padding: 48px 40px;
    justify-content: center;
  }
}

.page-news .news-sub__body .bd-eyebrow {
  color: var(--bd-orange);
}

.page-news .news-sub__body h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 400;
  line-height: 1.26;
  color: var(--bd-white);
}

.page-news .news-sub__body p {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pn-body);
}

.page-news .news-sub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

@media (max-width: 480px) {
  .page-news .news-hero {
    padding-top: 40px;
  }

  .page-news .news-hero__facts {
    gap: 14px 26px;
  }

  .page-news .news-lead__body,
  .page-news .news-cap__body,
  .page-news .news-sub__body {
    padding-left: 20px;
    padding-right: 20px;
  }

  .page-news .news-item > summary {
    gap: 10px;
    padding: 16px 14px;
  }

  .page-news .news-item__panel {
    margin-left: 14px;
    margin-right: 14px;
  }
}