.page-news {
  background: var(--bv-deep);
  color: var(--bv-chalk);
  overflow-x: clip;
}

.page-news .section {
  padding-top: clamp(32px, 4.6vw, 56px);
  padding-bottom: clamp(32px, 4.6vw, 56px);
}

/* 面包屑 */
.page-news .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bv-mist);
}
.page-news .crumbs a {
  color: var(--bv-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--bv-signal);
  border-bottom-color: var(--bv-signal);
}
.page-news .crumbs span[aria-current] {
  color: var(--bv-chalk);
}

/* 首屏 */
.page-news .news-intro__grid {
  display: grid;
  gap: 30px;
}
.page-news .news-intro__grid > * {
  min-width: 0;
}
.page-news .news-intro .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--bv-signal);
}
.page-news .news-intro h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.6vw, 52px);
  line-height: 1.16;
  letter-spacing: .02em;
}
.page-news .news-intro .lead {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--bv-mist-lit);
}

.page-news .news-figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--bv-hair);
  border: 1px solid var(--bv-hair);
}
.page-news .news-figures > div {
  background: var(--bv-deep);
  padding: 14px 12px 16px;
}
.page-news .news-figures dt {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--bv-mist);
}
.page-news .news-figures dd {
  margin: 0;
}
.page-news .news-figures .num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 26px;
  line-height: 1;
  color: var(--bv-chalk);
}

/* 分区筛选带 */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding: 14px 0;
  border-top: 1px solid var(--bv-hair);
  border-bottom: 1px solid var(--bv-hair);
}
.page-news .news-filter__title {
  margin: 0;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--bv-mist);
}
.page-news .news-filter__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .seg {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 10px 8px;
  font-size: 13px;
  color: var(--bv-mist-lit);
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-news .seg__code {
  font-family: var(--font-num);
  font-style: normal;
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--bv-mist);
}
.page-news .seg.is-active {
  color: var(--bv-chalk);
  border-color: var(--bv-hair);
  border-bottom-color: var(--bv-signal);
}
.page-news .seg.is-active .seg__code {
  color: var(--bv-signal);
}

/* 主副栏 */
.page-news .notes-board {
  display: grid;
  gap: 48px;
  padding-top: 28px;
}
.page-news .notes-board > * {
  min-width: 0;
}

/* 条目流 */
.page-news .feed-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
}
.page-news .feed-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .1em;
  color: var(--bv-chalk);
}
.page-news .feed-head__count {
  font-family: var(--font-num);
  font-size: 30px;
  line-height: 1;
  color: var(--bv-signal);
}

.page-news .feed {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--bv-hair);
}
.page-news .feed__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--bv-hair);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}
.page-news .feed__item:hover,
.page-news .feed__item:focus-within {
  border-bottom-color: var(--bv-signal);
  transform: translateX(2px);
}
.page-news .feed__meta {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
}
.page-news .feed__col {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--bv-chalk);
}
.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 7px;
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--bv-signal);
  border: 1px solid rgba(47, 243, 214, .38);
  background: var(--bv-signal-soft);
}
.page-news .tag--track {
  color: var(--bv-track-soft);
  border-color: rgba(255, 107, 53, .42);
  background: rgba(255, 107, 53, .1);
}
.page-news .feed__body {
  min-width: 0;
}
.page-news .feed__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--bv-chalk);
}
.page-news .feed__dek {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--bv-mist-lit);
}
.page-news .feed__time {
  margin: 0;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--bv-mist);
}

/* 条目流中的图片卡 */
.page-news .feed__shot {
  padding: 20px 0;
  border-bottom: 1px solid var(--bv-hair);
  list-style: none;
}
.page-news .feed__shot .media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--bv-hair);
}
.page-news .feed__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-news .feed__shot--flat img {
  aspect-ratio: 3 / 2;
}
.page-news .feed__shot .media__caption {
  position: absolute;
  inset: auto 0 0 0;
  margin: 0;
  padding: 42px 14px 13px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--bv-chalk);
  background: linear-gradient(to top, rgba(7, 26, 23, .94), rgba(7, 26, 23, 0));
}

.page-news .feed-more {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--bv-mist-lit);
}
.page-news .feed-more a {
  color: var(--bv-signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 214, .5);
}
.page-news .feed-more a:hover {
  border-bottom-color: var(--bv-signal);
}

/* 右侧窄栏 */
.page-news .notes-side {
  display: grid;
  gap: 36px;
  align-content: start;
}
.page-news .side-block__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--bv-hair);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--bv-chalk);
}
.page-news .side-block__title::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--bv-signal);
  flex: none;
}

/* 专题系列堆叠卡 */
.page-news .series-stack {
  display: flex;
  flex-direction: column;
}
.page-news .series {
  position: relative;
  background: var(--bv-deep);
  border: 1px solid var(--bv-hair);
  transition: transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}
.page-news .series + .series {
  margin-top: -8px;
}
.page-news .series:nth-child(2n) {
  margin-left: 10px;
}
.page-news .series:hover,
.page-news .series[open] {
  z-index: 3;
  background: var(--bv-step);
  border-color: var(--bv-signal);
}
.page-news .series__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
}
.page-news .series__head::-webkit-details-marker {
  display: none;
}
.page-news .series__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--bv-mist);
}
.page-news .series[open] .series__head::after {
  content: "\2013";
  color: var(--bv-signal);
}
.page-news .series__name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--bv-chalk);
}
.page-news .series__count {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--bv-signal);
}
.page-news .series__desc {
  margin: 0;
  padding: 0 14px 12px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--bv-mist-lit);
}
.page-news .series__figure {
  margin: 0 0 12px;
  overflow: hidden;
}
.page-news .series__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .series__figure--wide img {
  aspect-ratio: 2 / 1;
}
.page-news .series__list {
  margin: 0;
  padding: 0 14px 14px;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-news .series__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--bv-mist-lit);
}
.page-news .series__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 5px;
  height: 1px;
  background: var(--bv-signal);
}

/* 编辑推荐 */
.page-news .picks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}
.page-news .picks__item {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--bv-hair);
}
.page-news .picks__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-news .picks__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.55;
  color: var(--bv-chalk);
}
.page-news .picks__why {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--bv-mist-lit);
}
.page-news .picks__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}
.page-news .picks__time {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--bv-mist);
}

/* 更新节奏（浅底） */
.page-news .section--chalk {
  background: var(--bv-chalk);
  color: var(--bv-ink);
}
.page-news .rhythm-head {
  max-width: 62ch;
  margin-bottom: 26px;
}
.page-news .rhythm-head .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .18em;
  color: #0F6B5C;
}
.page-news .rhythm-head h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.24;
  letter-spacing: .02em;
  color: var(--bv-ink);
}
.page-news .rhythm-head__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.86;
  color: #3A463F;
}
.page-news .rhythm-grid {
  display: grid;
  gap: 1px;
  background: rgba(16, 22, 19, .16);
  border: 1px solid rgba(16, 22, 19, .16);
}
.page-news .rhythm-card {
  background: var(--bv-chalk);
  padding: 20px 18px 22px;
}
.page-news .rhythm-card__code {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: #0F6B5C;
}
.page-news .rhythm-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--bv-ink);
}
.page-news .rhythm-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: #3A463F;
}
.page-news .rhythm-card__when {
  margin-top: 12px !important;
  font-family: var(--font-num);
  font-size: 11px !important;
  letter-spacing: .1em;
  color: #6E7A73 !important;
}

/* 纠错与供稿（深底） */
.page-news .contrib-grid {
  display: grid;
  gap: 34px;
}
.page-news .contrib-grid > * {
  min-width: 0;
}
.page-news .contrib-main h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.26;
  letter-spacing: .02em;
  color: var(--bv-chalk);
}
.page-news .contrib-main p {
  margin: 0 0 22px;
  max-width: 50ch;
  font-size: 15px;
  line-height: 1.86;
  color: var(--bv-mist-lit);
}
.page-news .contrib-main a,
.page-news .contrib-side a {
  color: var(--bv-signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 214, .45);
}
.page-news .contrib-main a:hover,
.page-news .contrib-side a:hover {
  border-bottom-color: var(--bv-signal);
}
.page-news .contrib-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .contrib-side h3 {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--bv-hair);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--bv-chalk);
}
.page-news .contrib-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-news .contrib-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bv-mist-lit);
}
.page-news .contrib-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--bv-track);
}

/* 断点 */
@media (min-width: 720px) {
  .page-news .feed__item {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 24px;
    padding: 20px 8px 20px 0;
  }
  .page-news .feed__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
  }
  .page-news .rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-news .news-intro__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 56px;
    align-items: end;
  }
  .page-news .news-figures dt {
    font-size: 11px;
  }
  .page-news .contrib-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 64px;
  }
}

@media (min-width: 1040px) {
  .page-news .notes-board {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 64px;
    align-items: start;
  }
  .page-news .rhythm-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .feed__item {
    grid-template-columns: 140px minmax(0, 1fr);
  }
}
<<<END>>>