.page-news {
  --news-line-soft: rgba(68, 88, 107, 0.34);
  --news-tint: rgba(46, 230, 214, 0.035);
  --news-tint-strong: rgba(46, 230, 214, 0.10);
}

/* 面包屑与页面上下文 */
.page-news .news-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: 4px;
}

.page-news .news-crumb__stamp {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* 首屏 */
.page-news .news-hero {
  padding-top: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
}

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

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 4.2vw, 58px);
  line-height: 1.07;
  letter-spacing: -0.012em;
  margin: 12px 0 20px;
  color: var(--paper);
  max-width: 22ch;
  overflow-wrap: anywhere;
}

.page-news .news-hero__desc {
  margin: 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.page-news .news-hero__async {
  border: 1px solid var(--line);
  background: var(--ink-deep);
  padding: clamp(20px, 3vw, 30px);
}

.page-news .news-cadence {
  margin: 16px 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-cadence > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-cadence > div:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-news .news-cadence dt {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}

.page-news .news-cadence dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--paper);
  font-size: 13px;
  white-space: nowrap;
}

.page-news .news-cadence__n {
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1;
  color: var(--cyan);
}

.page-news .news-hero__asyncNote {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

/* 条目流布局 */
.page-news .news-stream {
  padding-top: clamp(36px, 6vw, 76px);
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
}

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

.page-news .news-stream__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .news-stream__head h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 2.4vw, 32px);
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 6px 0 0;
}

.page-news .news-stream__count {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.page-news .news-stream__count .meta-mono {
  color: var(--cyan);
}

/* 条目列表 */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: news;
}

.page-news .news-item {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding: clamp(22px, 3vw, 30px) 0;
  transition: background-color var(--dur) var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur) var(--ease);
}

.page-news .news-item:hover {
  background-color: var(--news-tint);
}

.page-news .news-item:hover::before {
  transform: scaleY(1);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 10px;
}

.page-news .news-item__meta .meta-mono {
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-news .news-item__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(17px, 1.65vw, 21px);
  line-height: 1.42;
  letter-spacing: -0.005em;
  color: var(--paper);
  margin: 0 0 10px;
  transition: color var(--dur) var(--ease);
  overflow-wrap: anywhere;
}

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

.page-news .news-item__excerpt {
  margin: 0 0 10px;
  max-width: 62ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

.page-news .news-item__module {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .news-item__module::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  background: var(--orange);
  vertical-align: 1px;
}

.page-news .news-item__figure {
  margin: 18px 0 0;
}

.page-news .news-item__figure--inline {
  max-width: 520px;
}

.page-news .news-item__figure img,
.page-news .news-tags__fig img,
.page-news .news-topics__cover img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 侧栏 */
.page-news .news-side {
  display: grid;
  gap: 26px;
}

.page-news .news-side__h {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-side__note {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.page-news .news-side__sub {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 22px 0 10px;
}

.page-news .news-tags__list {
  list-style: none;
  margin: 0 0 6px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-tags__pill {
  cursor: default;
}

.page-news .news-tagmods__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-news .news-tagmods__link {
  display: block;
  padding: 9px 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-news .news-tagmods__link:hover,
.page-news .news-tagmods__link:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
  border-color: var(--cyan);
}

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

/* 订阅卡 */
.page-news .news-sub {
  border: 1px solid var(--line);
  background: var(--ink-deep);
  padding: 22px 20px;
}

.page-news .news-sub__desc {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.68;
}

.page-news .news-sub__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-sub__list li {
  font-size: 13px;
  line-height: 1.55;
  color: var(--paper);
}

.page-news .news-sub__k {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-news .news-sub__cta {
  display: inline-block;
  width: 100%;
  text-align: center;
}

/* 专题合集 */
.page-news .news-topics {
  padding-top: clamp(48px, 7vw, 96px);
}

.page-news .news-topics__head {
  max-width: 62ch;
  margin-bottom: 24px;
}

.page-news .news-topics__head h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--paper);
  margin: 8px 0 12px;
}

.page-news .news-topics__head p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

.page-news .news-topics__cover {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-news .news-topics__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 34px);
}

.page-news .news-topic {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-news .news-topic__band {
  display: block;
  height: 5px;
  width: 100%;
  margin-bottom: 18px;
  background: var(--cyan);
}

.page-news .news-topic:nth-child(1) .news-topic__band {
  background: var(--cyan);
}

.page-news .news-topic:nth-child(2) .news-topic__band {
  background: var(--orange);
}

.page-news .news-topic:nth-child(3) .news-topic__band {
  background: var(--green);
}

.page-news .news-topic__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-news .news-topic__desc {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.66;
}

.page-news .news-topic__list {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
}

.page-news .news-topic__item {
  display: flex;
  gap: 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--paper);
}

.page-news .news-topic__item::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 1px;
  margin-top: 9px;
  background: var(--muted);
}

/* 按模块追溯 */
.page-news .news-mods {
  padding-top: clamp(48px, 7vw, 96px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-news .news-mods__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.page-news .news-mod {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-mod:hover,
.page-news .news-mod:focus-visible {
  border-color: var(--cyan);
  background: var(--news-tint-strong);
}

.page-news .news-mod__k {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-news .news-mod__d {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.66;
}

.page-news .news-mod__c {
  margin-top: auto;
  padding-top: 8px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

/* 桌面端布局 */
@media (min-width: 640px) {
  .page-news .news-mods__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-item--lead {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: clamp(20px, 3vw, 36px);
    align-items: start;
  }

  .page-news .news-item--lead .news-item__figure {
    margin-top: 4px;
  }

  .page-news .news-topics__row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-mods__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }

  .page-news .news-layout__side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
}

@media (min-width: 1360px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
}

/* 降低动效 */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item__title,
  .page-news .news-tagmods__link,
  .page-news .news-mod {
    transition: none;
  }

  .page-news .news-item::before {
    transition: none;
  }
}