/* ===== 赛场动态 ===== */
.page-news {
  --news-rule: rgba(255, 255, 255, 0.14);
  --news-gap: clamp(20px, 3vw, 34px);
}

/* —— 首屏 —— */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: calc(var(--bp-frame-top) + 44px) clamp(30px, 5vw, 54px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: -10% -20% auto auto;
  width: min(620px, 78vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle, rgba(255, 106, 26, 0.24), transparent 66%);
  z-index: -1;
  pointer-events: none;
}

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

.page-news .news-hero__eyebrow {
  margin-top: 26px;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  max-width: 15em;
  text-wrap: balance;
}

.page-news .news-hero__lede {
  margin-top: 20px;
  max-width: 40em;
}

.page-news .news-hero__stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 38px;
  margin: 30px 0 0;
  padding: 0;
  color: var(--bp-mist);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.page-news .news-hero__stats .bp-num {
  margin-right: 7px;
  color: var(--bp-cyan);
  font-size: 20px;
}

.page-news .news-hero__media {
  margin: clamp(28px, 5vw, 52px) 0 0;
  border-radius: var(--bp-radius);
  border: 1px solid var(--bp-glass-line);
  overflow: hidden;
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 46vh;
  object-fit: cover;
}

/* —— 列表主体与分类索引 —— */
.page-news .news-feed-section {
  padding-block: clamp(46px, 7vw, 84px);
}

.page-news .news-body {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-index {
  display: grid;
  gap: 12px;
}

.page-news .news-index__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--bp-mist);
}

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

.page-news .news-index__link {
  display: block;
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid rgba(255, 106, 26, 0.5);
  background: var(--bp-glass);
  color: var(--bp-white);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--bp-ease), color 0.2s var(--bp-ease),
    border-color 0.2s var(--bp-ease);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  background: var(--bp-orange);
  border-color: var(--bp-orange);
  color: var(--bp-night);
  outline: none;
}

/* —— 分组 —— */
.page-news .news-feed {
  min-width: 0;
}

.page-news .news-group {
  scroll-margin-top: calc(var(--bp-frame-top) + 30px);
}

.page-news .news-group + .news-group {
  margin-top: clamp(40px, 6vw, 68px);
}

.page-news .news-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: 2px solid rgba(255, 106, 26, 0.55);
}

.page-news .news-group__num {
  color: var(--bp-orange);
  font-size: 14px;
  letter-spacing: 0.2em;
}

.page-news .news-group__title {
  margin: 0;
}

/* —— 条目 —— */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 24px 0;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-item__num {
  color: var(--bp-orange);
  font-size: 13px;
  letter-spacing: 0.22em;
}

.page-news .news-item__body {
  min-width: 0;
}

.page-news .news-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-item__tag {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 106, 26, 0.55);
  background: var(--bp-glass);
  color: var(--bp-orange);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-news .news-item__time {
  color: var(--bp-mist);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-news .news-item__title {
  margin: 10px 0 0;
  color: var(--bp-white);
  transition: color 0.2s var(--bp-ease);
}

.page-news .news-item__text {
  margin: 9px 0 0;
  color: var(--bp-mist);
  font-size: 15px;
  line-height: 1.85;
  max-width: 42em;
}

.page-news .news-item:hover .news-item__title,
.page-news .news-item:focus-within .news-item__title {
  color: var(--bp-cyan);
}

/* —— 数据观察配图 —— */
.page-news .news-figure {
  margin: 26px 0 6px;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--bp-radius);
  border: 1px solid var(--bp-glass-line);
  object-fit: cover;
}

.page-news .news-figure figcaption {
  margin-top: 10px;
  color: var(--bp-mist);
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* —— 专题系列横滑走廊 —— */
.page-news .news-series-section {
  padding-block: clamp(48px, 7vw, 86px);
}

.page-news .news-series__head {
  max-width: 46em;
}

.page-news .news-series__head .bp-prose {
  margin-top: 14px;
}

.page-news .news-corridor {
  display: flex;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 40px);
  padding: 4px clamp(18px, 4vw, 48px) 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-corridor::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-corridor::-webkit-scrollbar-thumb {
  background: rgba(255, 106, 26, 0.5);
  border-radius: 999px;
}

.page-news .news-feature {
  flex: 0 0 84%;
  min-width: 0;
  scroll-snap-align: start;
  display: grid;
  grid-template-rows: auto 1fr;
  border-radius: var(--bp-radius);
  border: 1px solid var(--bp-glass-line);
  background: var(--bp-glass);
  overflow: hidden;
}

.page-news .news-feature__media {
  min-height: 190px;
}

.page-news .news-feature__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
}

.page-news .news-feature__panel {
  min-height: 190px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--bp-indigo), var(--bp-teal) 72%);
}

.page-news .news-feature__panel .bp-num {
  font-size: clamp(44px, 8vw, 68px);
  color: rgba(244, 250, 255, 0.22);
}

.page-news .news-feature__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  padding: 22px;
}

.page-news .news-feature__kicker {
  margin: 0;
  color: var(--bp-cyan);
  font-size: 12px;
  letter-spacing: 0.2em;
}

.page-news .news-feature__title {
  margin: 0;
}

.page-news .news-feature__text {
  margin: 0;
  color: var(--bp-mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .news-feature__meta {
  margin: 4px 0 0;
  color: var(--bp-white);
  font-family: var(--bp-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-news .news-feature__meta .bp-num {
  color: var(--bp-orange);
  font-size: 22px;
  margin-right: 6px;
}

/* —— 版本与技术笔记 —— */
.page-news .news-notes-section {
  padding-block: clamp(48px, 7vw, 86px);
}

.page-news .news-notes {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-news .news-notes__head .bp-prose {
  margin-top: 14px;
  max-width: 34em;
}

.page-news .news-notes__media {
  margin: 0;
}

.page-news .news-notes__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--bp-radius);
  border: 1px solid var(--bp-glass-line);
  object-fit: cover;
}

.page-news .news-notes__media figcaption {
  margin-top: 10px;
  color: var(--bp-mist);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-news .news-notes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-notes__item {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-notes__ver {
  color: var(--bp-cyan);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-news .news-notes__text {
  margin: 0;
  color: var(--bp-mist);
  font-size: 15px;
  line-height: 1.85;
  max-width: 40em;
}

/* —— 白皮书与回看 —— */
.page-news .news-recap-section {
  padding-block: clamp(48px, 7vw, 88px);
}

.page-news .news-recap {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-news .news-recap__panel .bp-prose {
  margin-top: 16px;
  max-width: 32em;
}

.page-news .news-details {
  margin-top: 24px;
  border: 1px solid var(--bp-glass-line);
  border-radius: var(--bp-radius);
  background: var(--bp-glass);
  padding: 4px 18px;
  max-width: 40em;
}

.page-news .news-details__summary {
  cursor: pointer;
  padding: 14px 0;
  color: var(--bp-white);
  font-weight: 600;
  letter-spacing: 0.04em;
  list-style: none;
}

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

.page-news .news-details__summary::after {
  content: "＋";
  float: right;
  color: var(--bp-orange);
  font-family: var(--bp-mono);
}

.page-news .news-details[open] .news-details__summary::after {
  content: "－";
}

.page-news .news-details__summary:focus-visible {
  outline: 2px solid var(--bp-cyan);
  outline-offset: 3px;
}

.page-news .news-details__body {
  padding-bottom: 20px;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-details__body p {
  margin: 14px 0 0;
  color: var(--bp-mist);
  font-size: 15px;
  line-height: 1.85;
}

.page-news .news-details__body .bp-btn {
  margin-top: 18px;
}

.page-news .news-recap__links-title {
  margin: 0 0 16px;
}

.page-news .news-recap__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-recap__link {
  display: block;
  padding: 15px 0;
  border-bottom: 1px solid var(--news-rule);
  color: var(--bp-white);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s var(--bp-ease), padding-left 0.2s var(--bp-ease);
}

.page-news .news-recap__link::before {
  content: "→";
  margin-right: 12px;
  color: var(--bp-orange);
  font-family: var(--bp-mono);
}

.page-news .news-recap__link:hover,
.page-news .news-recap__link:focus-visible {
  color: var(--bp-cyan);
  padding-left: 6px;
  outline: none;
}

/* —— 响应式：中屏以上 —— */
@media (min-width: 620px) {
  .page-news .news-item {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 20px;
  }

  .page-news .news-item__num {
    padding-top: 4px;
  }

  .page-news .news-notes__item {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 820px) {
  .page-news .news-feature {
    flex: 0 0 min(760px, 76%);
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    grid-template-rows: 1fr;
  }

  .page-news .news-feature__media img,
  .page-news .news-feature__panel {
    min-height: 260px;
  }
}

@media (min-width: 960px) {
  .page-news .news-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-news .news-index {
    position: sticky;
    top: calc(var(--bp-frame-top) + 22px);
    align-self: start;
    padding: 18px 16px 20px;
    border: 1px solid var(--bp-glass-line);
    border-radius: var(--bp-radius);
    background: var(--bp-glass);
  }

  .page-news .news-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .news-index__link {
    border-radius: 9px;
    text-align: left;
  }

  .page-news .news-notes {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-news .news-notes__head {
    grid-column: 1;
  }

  .page-news .news-notes__media {
    grid-column: 2;
  }

  .page-news .news-notes__list {
    grid-column: 1 / -1;
  }

  .page-news .news-recap {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__title,
  .page-news .news-index__link,
  .page-news .news-recap__link {
    transition: none;
  }
}