.page-news {
  --news-soft: rgba(110, 139, 128, 0.34);
  --news-strong-soft: rgba(110, 139, 128, 0.6);
  --news-surface: rgba(20, 63, 53, 0.55);
  --news-panel: #0E332A;
  background-color: var(--ink);
  color: var(--cream);
  position: relative;
  overflow-x: hidden;
}

.page-news .nm-mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news h2,
.page-news h3 {
  color: var(--cream);
}

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

/* ---------- 首屏 ---------- */

.page-news .news-masthead {
  padding: clamp(18px, 4vw, 36px) 0 clamp(30px, 5vw, 64px);
  background-image: linear-gradient(180deg, rgba(63, 255, 210, 0.09), rgba(11, 59, 46, 0) 62%);
}

.page-news .news-masthead__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-news .news-masthead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 10vw, 92px);
  line-height: 0.92;
  letter-spacing: -0.025em;
  margin: 10px 0 18px;
  color: var(--cream);
}

.page-news .news-masthead__lead {
  margin: 0 0 20px;
  max-width: 44ch;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-masthead__stamp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--news-soft);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--cream);
}

.page-news .news-masthead__stamp .nm-mono {
  color: var(--cyan);
}

.page-news .news-masthead__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--news-soft);
  background-color: var(--ink-deep);
  overflow: hidden;
}

.page-news .news-masthead__media img {
  aspect-ratio: 4 / 3;
}

/* ---------- 置顶 ---------- */

.page-news .news-pinned__grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-news .pin-card {
  position: relative;
  padding: clamp(20px, 3.4vw, 36px);
  padding-top: clamp(28px, 3.6vw, 42px);
  border: 1px solid var(--orange);
  border-left-width: 6px;
  border-radius: var(--radius);
  background-color: var(--news-panel);
  box-shadow: 0 26px 60px -46px rgba(0, 0, 0, 0.95);
}

.page-news .pin-card__flag {
  position: absolute;
  top: 0;
  right: 0;
  margin: 0;
  padding: 5px 12px;
  background-color: var(--orange);
  color: var(--brown);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
}

.page-news .pin-card__kicker {
  margin: 0 0 10px;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.page-news .pin-card h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}

.page-news .pin-card__text {
  margin: 0 0 18px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .pin-card__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-news .pin-card__list li {
  position: relative;
  padding: 8px 0 8px 20px;
  border-top: 1px solid var(--news-soft);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--cream);
}

.page-news .pin-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  background-color: var(--cyan);
  transform: rotate(45deg);
}

.page-news .pin-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 0;
}

.page-news .pin-card__meta .nm-mono:first-child {
  color: var(--cyan);
}

.page-news .pin-side {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--news-soft);
  border-radius: var(--radius);
  background-color: var(--news-surface);
}

.page-news .pin-side__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .pin-side__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  counter-reset: none;
}

.page-news .pin-side__list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 8px;
  padding: 11px 0;
  border-top: 1px solid var(--news-soft);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-news .pin-side__list .nm-mono {
  color: var(--orange);
  padding-top: 2px;
}

.page-news .pin-side__link {
  display: inline-block;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 255, 210, 0.45);
  padding-bottom: 2px;
}

.page-news .pin-side__link:hover,
.page-news .pin-side__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 时间线 ---------- */

.page-news .news-feed {
  border-top: 1px solid var(--news-soft);
}

.page-news .news-feed__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .feed-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-news .chan-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--news-soft);
  font-size: 14.5px;
}

.page-news .chan-item a {
  flex: 1 1 auto;
  color: var(--cream);
  text-decoration: none;
}

.page-news .chan-item a:hover,
.page-news .chan-item a:focus-visible {
  color: var(--cyan);
}

.page-news .chan-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  opacity: 0.75;
}

.page-news .chan-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-news .chan-dot--schedule { background-color: var(--cyan); }
.page-news .chan-dot--iter { background-color: var(--orange); }
.page-news .chan-dot--team { background-color: var(--cream); }
.page-news .chan-dot--help { background-color: var(--mist); }
.page-news .chan-dot--coop { background-color: var(--line); }

.page-news .feed-rail__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.page-news .feed-rail__link {
  display: block;
  padding: 10px 14px;
  border: 1px solid var(--news-strong-soft);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--cream);
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-news .feed-rail__link:hover,
.page-news .feed-rail__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .feed-main__title {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background-image: linear-gradient(180deg, var(--cyan) 0%, var(--news-strong-soft) 22%, var(--news-soft) 100%);
}

.page-news .tl-item {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 32px) 34px;
}

.page-news .tl-item:last-child {
  padding-bottom: 0;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--news-strong-soft);
  border-radius: 50%;
  background-color: var(--ink);
}

.page-news .tl-item--lead::before {
  border-color: var(--cyan);
  background-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(63, 255, 210, 0.16);
}

.page-news .tl-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  margin: 0 0 8px;
}

.page-news .tl-tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-news .tl-tag--schedule { color: var(--cyan); }
.page-news .tl-tag--iter { color: var(--orange); }
.page-news .tl-tag--team { color: var(--cream); }
.page-news .tl-tag--help { color: var(--mist); }
.page-news .tl-tag--coop { color: var(--paper); }

.page-news .tl-read {
  opacity: 0.72;
}

.page-news .tl-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.8vw, 25px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-news .tl-item p:not(.tl-meta) {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 条带说明 ---------- */

.page-news .news-band {
  border-top: 1px solid var(--news-soft);
  border-bottom: 1px solid var(--news-soft);
  background-color: var(--ink-deep);
}

.page-news .news-band__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-news .news-band__media {
  margin: 0;
  overflow: hidden;
}

.page-news .news-band__media img {
  aspect-ratio: 4 / 3;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-news .news-band__copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 32px);
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.page-news .news-band__copy p {
  margin: 0 0 16px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-news .news-band__list li {
  position: relative;
  padding: 9px 0 9px 20px;
  border-top: 1px solid var(--news-soft);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--cream);
}

.page-news .news-band__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 10px;
  height: 1px;
  background-color: var(--cyan);
}

/* ---------- 订阅专题 ---------- */

.page-news .news-sub__grid,
.page-news .news-help__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-news .news-sub__copy h2,
.page-news .news-help__copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 32px);
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.page-news .news-sub__copy p,
.page-news .news-help__copy p {
  margin: 0 0 16px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-sub__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-news .news-sub__list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--news-soft);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--cream);
}

.page-news .news-sub__list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background-color: var(--orange);
  transform: rotate(45deg);
}

.page-news .news-sub__link,
.page-news .news-help__link {
  display: inline-block;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 255, 210, 0.45);
  padding-bottom: 2px;
}

.page-news .news-sub__link:hover,
.page-news .news-sub__link:focus-visible,
.page-news .news-help__link:hover,
.page-news .news-help__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

.page-news .news-sub__media,
.page-news .news-help__media {
  margin: 0;
  border: 1px solid var(--news-soft);
  background-color: var(--ink-deep);
  overflow: hidden;
}

.page-news .news-sub__media img,
.page-news .news-help__media img {
  aspect-ratio: 4 / 3;
}

/* ---------- 帮助记录 ---------- */

.page-news .news-help {
  border-top: 1px solid var(--news-soft);
}

.page-news .help-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--news-strong-soft);
}

.page-news .help-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--news-soft);
}

.page-news .help-item__title {
  flex: 1 1 14ch;
  min-width: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--cream);
}

.page-news .help-item__read {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  opacity: 0.75;
}

/* ---------- 收尾 ---------- */

.page-news .news-cta__inner {
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--news-strong-soft);
  border-radius: var(--radius);
  background-image:
    linear-gradient(135deg, rgba(63, 255, 210, 0.13), rgba(255, 107, 44, 0.09)),
    linear-gradient(180deg, #10382E, #0C2A23);
}

.page-news .news-cta__inner h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-news .news-cta__inner p {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-news .news-masthead__media img {
    aspect-ratio: 16 / 7;
  }
}

@media (min-width: 860px) {
  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 8fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-news .news-pinned__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-news .news-band__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-news .news-sub__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 5fr);
  }

  .page-news .news-help__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
  }
}

@media (min-width: 940px) {
  .page-news .news-feed__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
  }

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

.page-news {
  --news-soft: rgba(110, 139, 128, 0.34);
  --news-strong-soft: rgba(110, 139, 128, 0.6);
  --news-surface: rgba(20, 63, 53, 0.55);
  --news-panel: #0E332A;
  background-color: var(--ink);
  color: var(--cream);
  position: relative;
  overflow-x: hidden;
}

.page-news .nm-mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news h2,
.page-news h3 {
  color: var(--cream);
}

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

/* ---------- 首屏 ---------- */

.page-news .news-masthead {
  padding: clamp(18px, 4vw, 36px) 0 clamp(30px, 5vw, 64px);
  background-image: linear-gradient(180deg, rgba(63, 255, 210, 0.09), rgba(11, 59, 46, 0) 62%);
}

.page-news .news-masthead__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-news .news-masthead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 10vw, 92px);
  line-height: 0.92;
  letter-spacing: -0.025em;
  margin: 10px 0 18px;
  color: var(--cream);
}

.page-news .news-masthead__lead {
  margin: 0 0 20px;
  max-width: 44ch;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-masthead__stamp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--news-soft);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--cream);
}

.page-news .news-masthead__stamp .nm-mono {
  color: var(--cyan);
}

.page-news .news-masthead__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--news-soft);
  background-color: var(--ink-deep);
  overflow: hidden;
}

.page-news .news-masthead__media img {
  aspect-ratio: 4 / 3;
}

/* ---------- 置顶 ---------- */

.page-news .news-pinned__grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-news .pin-card {
  position: relative;
  padding: clamp(20px, 3.4vw, 36px);
  padding-top: clamp(28px, 3.6vw, 42px);
  border: 1px solid var(--orange);
  border-left-width: 6px;
  border-radius: var(--radius);
  background-color: var(--news-panel);
  box-shadow: 0 26px 60px -46px rgba(0, 0, 0, 0.95);
}

.page-news .pin-card__flag {
  position: absolute;
  top: 0;
  right: 0;
  margin: 0;
  padding: 5px 12px;
  background-color: var(--orange);
  color: var(--brown);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
}

.page-news .pin-card__kicker {
  margin: 0 0 10px;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.page-news .pin-card h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}

.page-news .pin-card__text {
  margin: 0 0 18px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .pin-card__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-news .pin-card__list li {
  position: relative;
  padding: 8px 0 8px 20px;
  border-top: 1px solid var(--news-soft);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--cream);
}

.page-news .pin-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  background-color: var(--cyan);
  transform: rotate(45deg);
}

.page-news .pin-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 0;
}

.page-news .pin-card__meta .nm-mono:first-child {
  color: var(--cyan);
}

.page-news .pin-side {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--news-soft);
  border-radius: var(--radius);
  background-color: var(--news-surface);
}

.page-news .pin-side__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .pin-side__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  counter-reset: none;
}

.page-news .pin-side__list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 8px;
  padding: 11px 0;
  border-top: 1px solid var(--news-soft);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-news .pin-side__list .nm-mono {
  color: var(--orange);
  padding-top: 2px;
}

.page-news .pin-side__link {
  display: inline-block;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 255, 210, 0.45);
  padding-bottom: 2px;
}

.page-news .pin-side__link:hover,
.page-news .pin-side__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 时间线 ---------- */

.page-news .news-feed {
  border-top: 1px solid var(--news-soft);
}

.page-news .news-feed__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .feed-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-news .chan-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--news-soft);
  font-size: 14.5px;
}

.page-news .chan-item a {
  flex: 1 1 auto;
  color: var(--cream);
  text-decoration: none;
}

.page-news .chan-item a:hover,
.page-news .chan-item a:focus-visible {
  color: var(--cyan);
}

.page-news .chan-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  opacity: 0.75;
}

.page-news .chan-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-news .chan-dot--schedule { background-color: var(--cyan); }
.page-news .chan-dot--iter { background-color: var(--orange); }
.page-news .chan-dot--team { background-color: var(--cream); }
.page-news .chan-dot--help { background-color: var(--mist); }
.page-news .chan-dot--coop { background-color: var(--line); }

.page-news .feed-rail__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.page-news .feed-rail__link {
  display: block;
  padding: 10px 14px;
  border: 1px solid var(--news-strong-soft);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--cream);
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-news .feed-rail__link:hover,
.page-news .feed-rail__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .feed-main__title {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background-image: linear-gradient(180deg, var(--cyan) 0%, var(--news-strong-soft) 22%, var(--news-soft) 100%);
}

.page-news .tl-item {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 32px) 34px;
}

.page-news .tl-item:last-child {
  padding-bottom: 0;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--news-strong-soft);
  border-radius: 50%;
  background-color: var(--ink);
}

.page-news .tl-item--lead::before {
  border-color: var(--cyan);
  background-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(63, 255, 210, 0.16);
}

.page-news .tl-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  margin: 0 0 8px;
}

.page-news .tl-tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-news .tl-tag--schedule { color: var(--cyan); }
.page-news .tl-tag--iter { color: var(--orange); }
.page-news .tl-tag--team { color: var(--cream); }
.page-news .tl-tag--help { color: var(--mist); }
.page-news .tl-tag--coop { color: var(--paper); }

.page-news .tl-read {
  opacity: 0.72;
}

.page-news .tl-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.8vw, 25px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-news .tl-item p:not(.tl-meta) {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 条带说明 ---------- */

.page-news .news-band {
  border-top: 1px solid var(--news-soft);
  border-bottom: 1px solid var(--news-soft);
  background-color: var(--ink-deep);
}

.page-news .news-band__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-news .news-band__media {
  margin: 0;
  overflow: hidden;
}

.page-news .news-band__media img {
  aspect-ratio: 4 / 3;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-news .news-band__copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 32px);
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.page-news .news-band__copy p {
  margin: 0 0 16px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-news .news-band__list li {
  position: relative;
  padding: 9px 0 9px 20px;
  border-top: 1px solid var(--news-soft);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--cream);
}

.page-news .news-band__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 10px;
  height: 1px;
  background-color: var(--cyan);
}

/* ---------- 订阅专题 ---------- */

.page-news .news-sub__grid,
.page-news .news-help__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-news .news-sub__copy h2,
.page-news .news-help__copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 32px);
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.page-news .news-sub__copy p,
.page-news .news-help__copy p {
  margin: 0 0 16px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-sub__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-news .news-sub__list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--news-soft);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--cream);
}

.page-news .news-sub__list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background-color: var(--orange);
  transform: rotate(45deg);
}

.page-news .news-sub__link,
.page-news .news-help__link {
  display: inline-block;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 255, 210, 0.45);
  padding-bottom: 2px;
}

.page-news .news-sub__link:hover,
.page-news .news-sub__link:focus-visible,
.page-news .news-help__link:hover,
.page-news .news-help__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

.page-news .news-sub__media,
.page-news .news-help__media {
  margin: 0;
  border: 1px solid var(--news-soft);
  background-color: var(--ink-deep);
  overflow: hidden;
}

.page-news .news-sub__media img,
.page-news .news-help__media img {
  aspect-ratio: 4 / 3;
}

/* ---------- 帮助记录 ---------- */

.page-news .news-help {
  border-top: 1px solid var(--news-soft);
}

.page-news .help-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--news-strong-soft);
}

.page-news .help-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--news-soft);
}

.page-news .help-item__title {
  flex: 1 1 14ch;
  min-width: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--cream);
}

.page-news .help-item__read {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  opacity: 0.75;
}

/* ---------- 收尾 ---------- */

.page-news .news-cta__inner {
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--news-strong-soft);
  border-radius: var(--radius);
  background-image:
    linear-gradient(135deg, rgba(63, 255, 210, 0.13), rgba(255, 107, 44, 0.09)),
    linear-gradient(180deg, #10382E, #0C2A23);
}

.page-news .news-cta__inner h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-news .news-cta__inner p {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-news .news-masthead__media img {
    aspect-ratio: 16 / 7;
  }
}

@media (min-width: 860px) {
  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 8fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-news .news-pinned__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-news .news-band__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-news .news-sub__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 5fr);
  }

  .page-news .news-help__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
  }
}

@media (min-width: 940px) {
  .page-news .news-feed__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
  }

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