.page-news {
  background: var(--paper);
  color: var(--black);
  font-family: var(--font-body);
}

.page-news .news-masthead {
  padding: 22px 0 30px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-masthead__title {
  font-family: var(--font-display);
  font-size: clamp(var(--fs-26), 5.8vw, var(--fs-56));
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 14px 0 18px;
  max-width: 20em;
}

.page-news .news-masthead__lead {
  font-size: var(--fs-16);
  line-height: 1.75;
  max-width: 36em;
  margin: 0 0 18px;
}

.page-news .news-masthead__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 0;
  margin: 0;
  padding: 0;
  font-size: var(--fs-12);
  color: var(--slate);
  letter-spacing: 0.04em;
}

.page-news .news-masthead__meta li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--line);
}

/* 头条 */
.page-news .news-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  padding: 32px 0 36px;
}

.page-news .news-lead__title {
  font-family: var(--font-display);
  font-size: clamp(var(--fs-26), 5vw, var(--fs-44));
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 12px 0 16px;
}

.page-news .news-lead__text p {
  font-size: var(--fs-16);
  line-height: 1.75;
  max-width: 34em;
  margin: 0 0 14px;
}

.page-news .news-lead__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 18px 0 14px;
}

.page-news .news-link {
  font-size: var(--fs-14);
  color: var(--ink-500);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-news .news-link:hover {
  color: var(--signal-600);
}

.page-news .news-lead__figure,
.page-news .news-series__figure,
.page-news .news-rhythm__figure,
.page-news .news-break {
  margin: 0;
  aspect-ratio: 7 / 5;
}

.page-news .news-series__figure {
  aspect-ratio: 10 / 7;
}

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

.page-news .news-break {
  aspect-ratio: 3 / 2;
  margin: 10px 0 22px;
}

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

.page-news .media-frame__caption {
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--slate);
}

/* 内容线筛选带 */
.page-news .news-lines {
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  background: linear-gradient(180deg, rgba(255, 230, 216, 0.35), rgba(244, 246, 244, 0));
  padding: 30px 0 34px;
}

.page-news .news-lines__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 20px;
}

.page-news .news-lines__title {
  font-family: var(--font-display);
  font-size: clamp(var(--fs-20), 3.4vw, var(--fs-26));
  letter-spacing: -0.01em;
  font-weight: 800;
  margin: 0;
}

.page-news .news-lines__reset,
.page-news .news-line__btn {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--ink-700);
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-news .news-lines__reset {
  border-color: var(--ink-500);
}

.page-news .news-lines__reset:hover,
.page-news .news-line__btn:hover {
  background: var(--signal-100);
  border-color: var(--signal-500);
}

.page-news .news-lines__reset[aria-pressed="true"],
.page-news .news-line__btn[aria-pressed="true"] {
  background: var(--signal-100);
  border-color: var(--signal-500);
  color: var(--black);
}

.page-news .news-lines__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.page-news .news-line {
  --line-color: var(--ink-700);
  position: relative;
  padding: 22px 0 18px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-line:last-child {
  border-bottom: none;
}

.page-news .news-line::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 3px;
  background: var(--line-color);
}

.page-news .news-line--match {
  --line-color: var(--ink-700);
}

.page-news .news-line--ver {
  --line-color: var(--indigo);
}

.page-news .news-line--res {
  --line-color: var(--signal-500);
}

.page-news .news-line__no {
  font-size: var(--fs-12);
  color: var(--slate);
  margin: 10px 0 4px;
}

.page-news .news-line__name {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.page-news .news-line__desc {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate);
  margin: 0 0 14px;
  max-width: 30em;
}

/* 主体：侧栏 + 目录 */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  padding: 34px 0 12px;
}

.page-news .news-rail__block {
  border-top: 2px solid var(--ink-900);
  padding-top: 12px;
  margin-bottom: 26px;
}

.page-news .news-rail__title {
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--slate);
  margin: 0 0 12px;
}

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

.page-news .news-rail__batches a {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: var(--fs-14);
  color: var(--ink-700);
  text-decoration: none;
}

.page-news .news-rail__batches a .mono {
  color: var(--archive);
  font-size: var(--fs-12);
}

.page-news .news-rail__batches a:hover {
  color: var(--signal-600);
  background: rgba(255, 230, 216, 0.45);
}

.page-news .news-rail__hint,
.page-news .news-rail__block--note p {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate);
  margin: 12px 0 0;
}

.page-news .news-rail__hint a,
.page-news .news-rail__block--note a {
  color: var(--ink-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-entries .section-head {
  margin-bottom: 16px;
}

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

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 4px 12px;
  padding: 18px 0 18px 14px;
  border-bottom: 1px dashed var(--line);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: var(--signal-500);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform 180ms ease;
}

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

.page-news .news-item:target {
  background: rgba(232, 93, 31, 0.07);
}

.page-news .news-item:target::before {
  transform: scaleY(1);
  background: var(--archive);
}

.page-news .news-item__no {
  font-size: var(--fs-14);
  color: var(--slate);
  padding-top: 4px;
  margin: 0;
}

.page-news .news-item__title {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}

.page-news .news-item__desc {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate);
  margin: 0 0 10px;
  max-width: 44em;
}

.page-news .news-item__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .news-item__when {
  font-size: var(--fs-12);
  color: var(--slate);
}

.page-news .news-item--break {
  grid-template-columns: minmax(0, 1fr);
  padding-left: 0;
  border-bottom: none;
}

.page-news .news-item--break::before {
  display: none;
}

.page-news .line-tag,
.page-news .batch-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 2px;
  white-space: nowrap;
}

.page-news .line-tag--match {
  background: var(--ink-700);
  color: var(--paper);
}

.page-news .line-tag--ver {
  background: var(--indigo);
  color: var(--paper);
}

.page-news .line-tag--res {
  background: var(--signal-500);
  color: var(--paper);
  font-weight: 700;
}

.page-news .batch-tag {
  border: 1px solid var(--archive);
  color: var(--archive);
  background: transparent;
}

/* 专题系列 */
.page-news .news-series {
  padding: 38px 0 44px;
  border-top: 1px solid var(--line);
}

.page-news .news-series__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-news .series-card {
  padding: 18px 0 20px;
  border-bottom: 1px dashed var(--line);
}

.page-news .series-card:first-child {
  border-top: 2px solid var(--ink-700);
}

.page-news .series-card__no {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--archive);
  margin: 0 0 6px;
}

.page-news .series-card h3 {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}

.page-news .series-card__meta {
  font-size: var(--fs-12);
  color: var(--slate);
  margin: 0 0 10px;
}

.page-news .series-card__desc {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate);
  margin: 0;
  max-width: 36em;
}

.page-news .series-card details {
  margin-top: 10px;
}

.page-news .series-card summary {
  cursor: pointer;
  font-size: var(--fs-14);
  color: var(--ink-500);
  letter-spacing: 0.02em;
}

.page-news .series-card summary::marker {
  color: var(--signal-500);
}

.page-news .series-card details ol {
  margin: 10px 0 0;
  padding-left: 1.4em;
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--slate);
}

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

/* 更新节奏（深色带） */
.page-news .news-rhythm {
  padding: 44px 0 48px;
}

.page-news .news-rhythm__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: center;
}

.page-news .news-rhythm .eyebrow {
  color: var(--signal-100);
}

.page-news .news-rhythm__title {
  font-family: var(--font-display);
  font-size: clamp(var(--fs-26), 4.6vw, var(--fs-44));
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
  margin: 12px 0 16px;
}

.page-news .news-rhythm__text p {
  font-size: var(--fs-16);
  line-height: 1.75;
  color: rgba(244, 246, 244, 0.86);
  max-width: 32em;
  margin: 0 0 16px;
}

.page-news .news-rhythm__meta {
  list-style: none;
  margin: 0 0 18px;
  padding: 14px 0 0;
  border-top: 1px solid rgba(244, 246, 244, 0.24);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--signal-100);
}

.page-news .news-rhythm__action a {
  color: var(--signal-100);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-rhythm__action a:hover {
  color: var(--paper);
}

/* 编辑部 */
.page-news .news-editorial {
  padding: 40px 0 56px;
}

.page-news .news-editorial__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-news .team-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-news .team-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: var(--fs-14);
}

.page-news .team-list li:first-child {
  border-top: 2px solid var(--ink-900);
}

.page-news .team-list__num {
  color: var(--ink-700);
  font-size: var(--fs-12);
}

.page-news .news-editorial__note,
.page-news .news-editorial__actions p {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--slate);
  max-width: 40em;
  margin: 0 0 14px;
}

.page-news .news-editorial__actions h3 {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.page-news .news-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 0;
}

@media (min-width: 700px) {
  .page-news .news-lines__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: none;
  }

  .page-news .news-line {
    padding: 22px 0 18px;
    border-bottom: none;
    border-left: 1px dashed var(--line);
    padding-left: 22px;
  }

  .page-news .news-line:first-child {
    border-left: none;
    padding-left: 0;
  }

  .page-news .news-rhythm__meta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 0;
  }

  .page-news .news-rhythm__meta li + li::before {
    content: "/";
    margin: 0 10px;
    color: rgba(244, 246, 244, 0.4);
  }
}

@media (min-width: 900px) {
  .page-news .news-lead {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
    padding: 40px 0 44px;
  }

  .page-news .news-series__layout {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
  }

  .page-news .news-rhythm__layout {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
  }

  .page-news .news-editorial__layout {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
  }
}

@media (min-width: 960px) {
  .page-news .news-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding: 40px 0 16px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 20px;
  }

  .page-news .news-item {
    grid-template-columns: 3.2rem minmax(0, 1fr);
    padding: 22px 0 22px 16px;
  }

  .page-news .news-item__title {
    font-size: var(--fs-20);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item::before,
  .page-news .news-lines__reset,
  .page-news .news-line__btn {
    transition: none;
  }
}
<<<END>>>