.page-news {
  --news-lake-deep: #0B7C73;
  --news-line: rgba(198, 208, 214, .2);
  --news-line-faint: rgba(198, 208, 214, .11);
  background-image:
    radial-gradient(760px 520px at 6% -8%, rgba(18, 167, 154, .16), transparent 62%),
    radial-gradient(620px 640px at 104% 16%, rgba(6, 18, 28, .72), transparent 64%);
  background-repeat: no-repeat;
}

/* ---------- 首屏 ---------- */
.page-news .news-mast {
  padding-block: clamp(1.25rem, 3vw, 2.25rem) clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .news-mast__head {
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
  max-width: 46rem;
}

.page-news .news-mast__eyebrow {
  color: var(--lake-bright);
}

.page-news .news-mast__title {
  margin: .7rem 0 1rem;
  font-size: clamp(2.75rem, 9vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -.01em;
}

.page-news .news-mast__lede {
  max-width: 38em;
  color: var(--text);
}

/* ---------- 坐标索引 ---------- */
.page-news .news-index {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .5rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .news-index .coord-list__item {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .4rem .7rem;
  border: 1px solid var(--news-line-faint);
  color: var(--text-dim);
  font-size: var(--step-2);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-index .coord-list__item:hover,
.page-news .news-index .coord-list__item.is-active {
  border-color: var(--lake);
  color: var(--salt);
}

.page-news .news-index .coord-list__idx {
  color: var(--lake-bright);
  font-size: var(--step-1);
}

/* ---------- 重点动态 ---------- */
.page-news .news-lead {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
}

.page-news .news-lead__headline {
  font-size: var(--step-5);
  color: var(--salt);
  margin-bottom: .5rem;
}

.page-news .news-lead__item {
  padding: 1.15rem 0 1.25rem 1.05rem;
  border-top: 1px solid var(--news-line-faint);
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-lead__item:hover {
  border-left-color: var(--lake);
  background: rgba(18, 167, 154, .06);
}

.page-news .news-lead__meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 0 0 .5rem;
}

.page-news .news-lead__time {
  color: var(--slate);
  font-size: var(--step-2);
}

.page-news .news-lead__title {
  margin: 0 0 .45rem;
  font-size: var(--step-4);
}

.page-news .news-lead__text {
  margin: 0 0 .7rem;
  color: var(--text-dim);
  font-size: var(--step-3);
  line-height: 1.75;
  max-width: 36em;
}

/* ---------- 栏目标签 ---------- */
.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: .18rem .55rem;
  font-size: var(--step-1);
  letter-spacing: .14em;
  border: 1px solid var(--news-line);
  background: rgba(244, 247, 245, .03);
  color: var(--text-dim);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 90% 100%, 0 100%);
}

.page-news .news-tag--topic {
  color: var(--alert);
  border-color: rgba(255, 90, 54, .5);
}

.page-news .news-tag--build {
  color: var(--lake-bright);
  border-color: rgba(93, 217, 205, .45);
}

.page-news .news-tag--data {
  color: var(--data);
  border-color: rgba(255, 194, 75, .45);
}

.page-news .news-tag--community {
  color: var(--slate);
  border-color: var(--news-line);
}

/* ---------- 文字链接 ---------- */
.page-news .news-link {
  display: inline-block;
  color: var(--lake-bright);
  font-size: var(--step-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(93, 217, 205, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-link:hover {
  color: var(--salt);
  border-color: var(--salt);
}

/* ---------- 图片 ---------- */
.page-news .media img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-news .news-mast__media {
  margin: 1.75rem 0 0;
}

.page-news .news-mast__media img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-split__media img {
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .news-builds__media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .news-data__figure img {
  aspect-ratio: 1200 / 630;
  object-fit: cover;
}

/* ---------- 区块头 ---------- */
.page-news .news-block-head {
  max-width: 44rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .news-block-head .h2 {
  margin: .7rem 0 .9rem;
}

/* ---------- 更新列表 ---------- */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

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

.page-news .news-row {
  position: relative;
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  column-gap: .85rem;
  row-gap: .4rem;
  padding: 1.1rem .5rem 1.15rem .15rem;
  border-bottom: 1px solid var(--news-line-faint);
  transition: background var(--dur) var(--ease);
}

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

.page-news .news-row:hover {
  background: rgba(18, 167, 154, .06);
}

.page-news .news-row__idx {
  color: var(--slate);
  font-size: var(--step-2);
  padding-top: .15rem;
}

.page-news .news-row__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 0 0 .45rem;
}

.page-news .news-row__time {
  color: var(--slate);
  font-size: var(--step-1);
  letter-spacing: .06em;
}

.page-news .news-row__title {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-4);
  line-height: 1.4;
  color: var(--salt);
}

.page-news .news-row__text {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--step-3);
  line-height: 1.7;
  max-width: 40em;
}

.page-news .news-row__mark {
  display: none;
}

/* ---------- 专题系列 ---------- */
.page-news .section--paper {
  color: var(--ink);
}

.page-news .section--paper .prose {
  color: rgba(15, 20, 24, .8);
}

.page-news .news-split {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-news .news-split__body .h2 {
  margin: .7rem 0 1rem;
}

.page-news .news-topic-list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-news .news-topic-list__item {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: .9rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(15, 20, 24, .14);
}

.page-news .news-topic-list__idx {
  color: var(--news-lake-deep);
  font-size: var(--step-3);
  padding-top: .2rem;
}

.page-news .news-topic-list__item .h3 {
  margin: 0 0 .3rem;
  font-size: var(--step-4);
  color: var(--ink);
}

.page-news .news-topic-list__item p {
  margin: 0;
  color: rgba(15, 20, 24, .74);
  font-size: var(--step-3);
  line-height: 1.7;
}

.page-news .news-split__foot {
  margin-top: 1.5rem;
  color: rgba(15, 20, 24, .74);
  font-size: var(--step-3);
  line-height: 1.8;
}

.page-news .news-split__foot a {
  color: var(--news-lake-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 124, 115, .45);
}

.page-news .news-split__foot a:hover {
  border-color: var(--news-lake-deep);
}

/* ---------- 版本更新 ---------- */
.page-news .news-builds {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

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

.page-news .news-build {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 0 1.25rem;
  border-top: 1px solid var(--news-line);
}

.page-news .news-build:last-child {
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-build__ver {
  color: var(--lake-bright);
  font-size: var(--step-3);
  padding-top: .18rem;
}

.page-news .news-build__body .h3 {
  margin: 0 0 .4rem;
  font-size: var(--step-4);
  color: var(--salt);
}

.page-news .news-build__body p {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--step-3);
  line-height: 1.75;
  max-width: 38em;
}

/* ---------- 数据观察 ---------- */
.page-news .news-metrics {
  display: grid;
  gap: 1rem;
}

.page-news .news-metric {
  padding: 1.25rem 1.1rem 1.4rem;
  border: 1px solid var(--news-line-faint);
  border-top: 3px solid var(--lake);
  background: rgba(6, 18, 28, .55);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-metric:hover {
  border-color: rgba(93, 217, 205, .5);
  border-top-color: var(--lake-bright);
  background: rgba(6, 18, 28, .8);
}

.page-news .news-metric__meta {
  margin: 0 0 .6rem;
  color: var(--slate);
  font-size: var(--step-1);
  letter-spacing: .08em;
}

.page-news .news-metric__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--data);
}

.page-news .news-metric__title {
  margin: .7rem 0 .45rem;
  font-size: var(--step-4);
  color: var(--salt);
}

.page-news .news-metric p {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--step-3);
  line-height: 1.7;
}

.page-news .news-data__figure {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
}

/* ---------- 订阅与投稿 ---------- */
.page-news .news-join .h2 {
  margin: .7rem 0 1rem;
}

.page-news .news-join__grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .news-join__card {
  display: block;
  position: relative;
  padding: 1.4rem 1.3rem 1.6rem;
  border: 1px solid rgba(15, 20, 24, .16);
  background: rgba(255, 255, 255, .55);
  color: var(--ink);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-join__card:hover {
  border-color: var(--news-lake-deep);
  background: rgba(255, 255, 255, .82);
  transform: translateY(-2px);
}

.page-news .news-join__cardIdx {
  display: block;
  color: var(--news-lake-deep);
  font-size: var(--step-3);
  margin-bottom: .5rem;
}

.page-news .news-join__card .h3 {
  margin: 0 0 .5rem;
  font-size: var(--step-5);
  color: var(--ink);
}

.page-news .news-join__card p {
  margin: 0 0 .9rem;
  color: rgba(15, 20, 24, .74);
  font-size: var(--step-3);
  line-height: 1.72;
}

.page-news .news-join__cta {
  display: inline-block;
  font-size: var(--step-2);
  letter-spacing: .08em;
  color: var(--news-lake-deep);
  border-bottom: 1px solid rgba(11, 124, 115, .45);
}

.page-news .news-join__foot {
  margin-top: 1.5rem;
  color: rgba(15, 20, 24, .74);
  font-size: var(--step-3);
  line-height: 1.8;
}

.page-news .news-join__foot a {
  color: var(--news-lake-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 124, 115, .45);
}

.page-news .news-join__foot a:hover {
  border-color: var(--news-lake-deep);
}

/* ---------- 中屏 ---------- */
@media (min-width: 760px) {
  .page-news .news-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

/* ---------- 宽屏 ---------- */
@media (min-width: 880px) {
  .page-news .news-row {
    grid-template-columns: 2.6rem minmax(0, 1fr) 3.4rem;
    align-items: start;
    padding-inline: .9rem .5rem;
  }

  .page-news .news-row__mark {
    display: block;
    align-self: center;
    justify-self: end;
    color: var(--lake);
    font-size: var(--step-3);
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }

  .page-news .news-row__mark::before {
    content: "";
    display: inline-block;
    width: 1.5rem;
    height: 1px;
    margin-right: .35rem;
    vertical-align: middle;
    background: var(--lake);
  }

  .page-news .news-row:hover .news-row__mark,
  .page-news .news-row:focus-within .news-row__mark {
    opacity: 1;
    transform: translateX(0);
  }

  .page-news .news-row__text {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .page-news .news-row:hover .news-row__text,
  .page-news .news-row:focus-within .news-row__text {
    -webkit-line-clamp: 4;
  }
}

@media (min-width: 980px) {
  .page-news .news-lead {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-news .news-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-news .news-builds {
    grid-template-columns: minmax(0, 1fr) minmax(0, .7fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-row,
  .page-news .news-metric,
  .page-news .news-join__card,
  .page-news .news-lead__item {
    transition: none;
  }

  .page-news .news-join__card:hover {
    transform: none;
  }
}