.page-news {
  --news-hair: rgba(198, 212, 230, .16);
  --news-hair-dark: rgba(34, 40, 47, .14);
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  background-image:
    radial-gradient(110% 78% at 50% -14%, rgba(111, 217, 208, .18), transparent 60%),
    radial-gradient(70% 55% at 92% 4%, rgba(255, 106, 43, .12), transparent 68%);
  padding-block: clamp(24px, 4vw, 44px) clamp(44px, 6vw, 76px);
  overflow: hidden;
}

.page-news .news-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: 13px;
  color: var(--ink-quiet-dark);
}

.page-news .news-crumbs a {
  color: var(--c-kai);
  text-decoration: none;
}

.page-news .news-crumbs a:hover {
  text-decoration: underline;
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  color: var(--ink-on-dark);
  letter-spacing: -.02em;
}

.page-news .news-hero__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  color: var(--ink-quiet-dark);
  font-size: 16px;
  line-height: 1.85;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 24px;
}

.page-news .news-hero__ver {
  font-size: 21px;
  color: var(--c-signal);
  letter-spacing: .06em;
}

.page-news .news-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-kai);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-news .news-hero__frame {
  aspect-ratio: 16 / 9;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--c-night);
}

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

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-news .news-hero__frame {
    aspect-ratio: 16 / 7;
  }
}

/* ============ 编辑精选 ============ */
.page-news .news-picks {
  padding-block: clamp(44px, 6vw, 84px);
}

.page-news .news-picks__grid {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-news .news-pick {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--r-card);
}

.page-news .news-pick__no {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-rust);
}

.page-news .news-pick__kind {
  margin: 0;
  color: var(--c-note);
}

.page-news .news-pick__title {
  margin: 2px 0 0;
  color: var(--ink-on-light);
  line-height: 1.45;
}

.page-news .news-pick__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-quiet-light);
}

.page-news .news-pick__time {
  margin-top: auto;
  padding-top: 14px;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--c-note);
}

@media (min-width: 820px) {
  .page-news .news-picks__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-news .news-pick:nth-child(2) {
    margin-top: 36px;
  }
  .page-news .news-pick:nth-child(3) {
    margin-top: 72px;
  }
}

/* ============ 版本批次 ============ */
.page-news .news-batches {
  padding-block: clamp(46px, 6vw, 86px);
}

.page-news .news-scale {
  display: block;
  width: 100%;
  height: auto;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-filter .yk-filter__btn {
  padding: 7px 16px;
  border: 1px solid var(--news-hair);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--ink-quiet-dark);
  font-family: var(--f-sans);
  font-size: 13.5px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-filter .yk-filter__btn:hover {
  color: var(--ink-on-dark);
  border-color: var(--c-kai);
}

.page-news .news-filter .yk-filter__btn.is-active {
  color: var(--c-kai);
  border-color: var(--c-kai);
  background: rgba(111, 217, 208, .14);
}

.page-news .news-filter .yk-filter__count {
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--c-note);
}

.page-news .news-batches__body {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-news .news-lead {
  display: grid;
  overflow: hidden;
  border: 1px solid rgba(111, 217, 208, .22);
  border-radius: var(--r-card);
  background: var(--c-night);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-lead:hover {
  border-color: var(--c-kai);
  transform: translateY(-4px);
}

.page-news .news-lead__media {
  min-height: 190px;
  background: var(--c-space);
}

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

.page-news .news-lead__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3.4vw, 34px);
}

.page-news .news-lead__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .news-lead__ver {
  font-size: 15px;
  color: var(--c-signal);
  letter-spacing: .08em;
}

.page-news .news-lead__title {
  margin: 0;
  color: var(--ink-on-dark);
  line-height: 1.45;
}

.page-news .news-lead__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-quiet-dark);
}

@media (min-width: 820px) {
  .page-news .news-lead {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  }
  .page-news .news-lead__media {
    min-height: 100%;
  }
}

.page-news .news-rows {
  list-style: none;
  margin: clamp(16px, 2.5vw, 24px) 0 0;
  padding: 0;
}

.page-news .news-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 16px;
  padding: 18px 14px 18px 16px;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--news-hair);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-row:hover,
.page-news .news-row:focus-within {
  background: rgba(16, 41, 74, .62);
  border-left-color: var(--c-kai);
}

.page-news .news-row__tag {
  grid-column: 1 / -1;
  justify-self: start;
  padding: 3px 11px;
  border: 1px solid rgba(111, 217, 208, .42);
  border-radius: var(--r-pill);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .07em;
  color: var(--c-kai);
  white-space: nowrap;
}

.page-news .news-row[data-tags*="数据观察"] .news-row__tag {
  color: var(--c-data);
  border-color: rgba(180, 240, 77, .45);
}

.page-news .news-row[data-tags*="版本说明"] .news-row__tag {
  color: var(--c-signal);
  border-color: rgba(255, 106, 43, .45);
}

.page-news .news-row[data-tags*="使用技巧"] .news-row__tag {
  color: var(--c-mist);
  border-color: rgba(198, 212, 230, .40);
}

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

.page-news .news-row__title {
  margin: 0;
  font-size: clamp(16px, 1.7vw, 18px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink-on-dark);
}

.page-news .news-row__brief {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-quiet-dark);
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin var(--dur) var(--ease);
}

.page-news .news-row:hover .news-row__brief,
.page-news .news-row:focus-within .news-row__brief {
  max-height: 160px;
  opacity: 1;
  margin-top: 6px;
}

.page-news .news-row__time {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-note);
  white-space: nowrap;
}

@media (min-width: 720px) {
  .page-news .news-row {
    grid-template-columns: 132px minmax(0, 1fr) 118px;
    align-items: baseline;
    padding: 20px 16px;
  }
  .page-news .news-row__tag {
    grid-column: 1;
    align-self: start;
  }
  .page-news .news-row__time {
    justify-self: end;
    text-align: right;
  }
}

@media (hover: none), (max-width: 719px) {
  .page-news .news-row__brief {
    max-height: 200px;
    opacity: 1;
    margin-top: 6px;
  }
}

.page-news .news-batches__body .yk-empty {
  margin-top: 20px;
  color: var(--ink-quiet-dark);
  font-size: 14px;
}

/* ============ 数据专题 ============ */
.page-news .news-series {
  padding-block: clamp(46px, 6vw, 86px);
}

.page-news .news-series__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-news .news-series__art {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--c-gold);
}

.page-news .news-series__art img {
  width: 100%;
  height: auto;
  display: block;
}

.page-news .news-series__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-series__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 18px;
  padding-block: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--news-hair-dark);
}

.page-news .news-series__item:last-child {
  border-bottom: 1px solid var(--news-hair-dark);
}

.page-news .news-series__no {
  padding-top: 4px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-rust);
}

.page-news .news-series__title {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.5;
  color: var(--ink-on-light);
}

.page-news .news-series__text {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-quiet-light);
}

@media (min-width: 900px) {
  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (max-width: 560px) {
  .page-news .news-series__item {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .news-series__text {
    grid-column: 1;
  }
}

/* ============ 栏目分类 ============ */
.page-news .news-topics {
  padding-block: clamp(46px, 6vw, 86px);
}

.page-news .news-topics__art {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--c-night);
}

.page-news .news-topics__art img {
  width: 100%;
  height: auto;
  display: block;
}

.page-news .news-topics__grid {
  display: grid;
  gap: clamp(14px, 2.6vw, 22px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .news-topic {
  position: relative;
  padding: clamp(20px, 3vw, 26px);
  border: 1px solid var(--news-hair);
  border-radius: var(--r-card);
  background: var(--c-night);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-topic:hover {
  transform: translateY(-4px);
  border-color: var(--c-kai);
}

.page-news .news-topic__bar {
  display: block;
  width: 42px;
  height: 3px;
  margin-bottom: 16px;
  border-radius: 2px;
  background: var(--c-mist);
}

.page-news .news-topic--ver .news-topic__bar {
  background: var(--c-signal);
}

.page-news .news-topic--cat .news-topic__bar {
  background: var(--c-kai);
}

.page-news .news-topic--obs .news-topic__bar {
  background: var(--c-data);
}

.page-news .news-topic__title {
  margin: 0;
  font-size: clamp(18px, 2vw, 21px);
  color: var(--ink-on-dark);
}

.page-news .news-topic__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-quiet-dark);
}

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

@media (min-width: 1060px) {
  .page-news .news-topics__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ============ 订阅与往期 ============ */
.page-news .news-sub {
  padding-block: clamp(46px, 6vw, 86px);
}

.page-news .news-sub__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-news .news-sub__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3.2vw, 32px);
  border-radius: var(--r-card);
}

.page-news .news-sub__title {
  margin: 0;
  color: var(--ink-on-light);
  line-height: 1.45;
}

.page-news .news-sub__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-quiet-light);
}

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

.page-news .news-sub__note {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--c-note);
}

.page-news .news-sub__note a {
  color: var(--c-rust);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-sub__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
}

.page-news .news-sub__item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px dashed var(--news-hair-dark);
}

.page-news .news-sub__item:first-child {
  border-top: 1px dashed var(--news-hair-dark);
}

.page-news .news-sub__season {
  min-width: 104px;
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--c-rust);
}

.page-news .news-sub__desc {
  flex: 1 1 220px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-quiet-light);
}

@media (min-width: 880px) {
  .page-news .news-sub__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

/* ============ 无障碍与动效收敛 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-lead,
  .page-news .news-topic {
    transition: none;
  }
  .page-news .news-lead:hover,
  .page-news .news-topic:hover {
    transform: none;
  }
  .page-news .news-row__brief {
    transition: none;
  }
}