.page-news {
  --news-hair: rgba(11, 18, 32, 0.12);
  --news-hair-light: rgba(140, 235, 234, 0.26);
  --news-card: var(--white);
  color: var(--ink-900);
  background: var(--white);
}

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

.page-news .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-500);
  margin: 0;
}

/* 面包屑 */
.page-news .news-crumbs {
  padding: var(--sp-2) 0 var(--sp-1);
}

.page-news .news-crumbs__sep {
  color: var(--slate-500);
  font-family: var(--font-mono);
  padding: 0 4px;
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--white);
  padding: var(--sp-4) 0 var(--sp-6);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(102deg, transparent 0 60%, rgba(0, 194, 199, 0.16) 60% 60.6%, transparent 60.6%),
    linear-gradient(102deg, transparent 0 72%, rgba(255, 138, 31, 0.14) 72% 72.5%, transparent 72.5%),
    linear-gradient(102deg, transparent 0 86%, rgba(140, 235, 234, 0.1) 86% 86.4%, transparent 86.4%);
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
}

.page-news .news-hero .eyebrow {
  color: var(--cyan-200);
}

.page-news .news-hero h1 {
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: clamp(2.125rem, 7vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: 0.04em;
  margin: var(--sp-2) 0 var(--sp-3);
  max-width: 14em;
}

.page-news .news-hero .lead {
  margin: 0;
  max-width: 36em;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.page-news .news-hero__stage {
  display: grid;
  gap: var(--sp-2);
}

.page-news .news-hero__frame {
  margin: 0;
  border: 1px solid var(--news-hair-light);
  border-radius: 0 var(--notch) 0 var(--notch);
  overflow: hidden;
  background: var(--ink-700);
}

.page-news .news-hero__frame img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 7;
}

.page-news .news-hero__frame .img-frame__caption {
  color: rgba(255, 255, 255, 0.62);
  font-size: var(--fs-12);
  padding: var(--sp-2) var(--sp-3);
}

.page-news .news-hero__ticks {
  list-style: none;
  margin: 0;
  padding: var(--sp-2) 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-1);
  border-top: 2px solid var(--news-hair-light);
}

.page-news .news-hero__ticks li {
  position: relative;
  padding-top: var(--sp-1);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--cyan-200);
}

.page-news .news-hero__ticks li::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-500);
}

.page-news .news-hero__ticks li.is-current {
  color: var(--amber-500);
}

.page-news .news-hero__ticks li.is-current::before {
  background: var(--amber-500);
  width: 10px;
  height: 10px;
  top: -8px;
}

/* 区块标题 */
.page-news .news-head {
  max-width: 42rem;
  margin-bottom: var(--sp-4);
}

.page-news .news-head h2 {
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: 0.04em;
  margin: var(--sp-1) 0 var(--sp-2);
}

.page-news .news-head p {
  margin: 0;
  color: var(--slate-500);
  line-height: 1.8;
  max-width: 40em;
}

/* 横向时间轴 */
.page-news .news-track {
  list-style: none;
  margin: 0 0 var(--sp-5);
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-news .news-track__node {
  position: relative;
  padding-left: var(--sp-3);
  border-left: 2px solid var(--paper-200);
}

.page-news .news-track__dot {
  position: absolute;
  left: -6px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan-500);
  box-shadow: 0 0 0 3px var(--white);
}

.page-news .news-track__node--current .news-track__dot {
  background: var(--amber-500);
}

.page-news .news-track__idx {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--slate-500);
}

.page-news .news-track__node h3 {
  margin: 0 0 4px;
  font-size: var(--fs-18);
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.page-news .news-track__node p:last-child {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate-500);
}

/* 近期更新主体 */
.page-news .news-recent__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

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

.page-news .news-entry__link {
  position: relative;
  display: block;
  padding: var(--sp-2) var(--sp-3) var(--sp-3) var(--sp-3);
  background: var(--news-card);
  border: 1px solid var(--news-hair);
  border-radius: 0 var(--notch) 0 var(--notch);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-news .news-entry__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--cyan-500);
}

.page-news .news-entry--column .news-entry__link::before,
.page-news .news-entry--trend .news-entry__link::before {
  background: var(--slate-500);
}

.page-news .news-entry--topic .news-entry__link::before {
  background: var(--amber-500);
}

.page-news .news-entry__link:hover,
.page-news .news-entry__link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan-500);
  box-shadow: var(--shadow-lift);
}

.page-news .news-entry__link:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 2px;
}

.page-news .news-entry__top {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex-wrap: wrap;
}

.page-news .news-entry__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--slate-500);
}

.page-news .news-entry__link h3 {
  margin: var(--sp-1) 0 6px;
  font-size: var(--fs-18);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.page-news .news-entry__sum {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--slate-500);
  opacity: 0.78;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-entry__link:hover .news-entry__sum,
.page-news .news-entry__link:focus-visible .news-entry__sum {
  opacity: 1;
  color: var(--ink-700);
}

/* 更新节奏旁注 */
.page-news .news-aside {
  background: var(--paper-100);
  border-radius: 0 var(--notch) 0 var(--notch);
  padding: var(--sp-3);
}

.page-news .news-aside__label {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-700);
}

.page-news .news-aside__figure {
  margin: 0 0 var(--sp-3);
  border-radius: 0 var(--notch) 0 var(--notch);
  overflow: hidden;
}

.page-news .news-aside__figure img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-news .news-beat {
  list-style: none;
  margin: 0 0 var(--sp-2);
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-news .news-beat li {
  display: grid;
  gap: 6px;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--ink-700);
}

.page-news .news-beat__bar {
  display: block;
  height: 6px;
  border-radius: 2px;
  background: var(--cyan-500);
  width: 100%;
}

.page-news .news-beat__bar--week {
  background: var(--cyan-500);
  width: 100%;
}

.page-news .news-beat__bar--quarter {
  background: var(--cyan-200);
  width: 64%;
}

.page-news .news-beat__bar--year {
  background: var(--slate-500);
  width: 38%;
}

.page-news .news-aside__note {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--slate-500);
}

/* 版本轨道图 */
.page-news .news-routes {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 var(--sp-4);
}

.page-news .news-versions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
}

.page-news .news-version {
  background: var(--white);
  border: 1px solid var(--news-hair);
  border-top: 3px solid var(--cyan-500);
  border-radius: 0 var(--notch) 0 var(--notch);
  padding: var(--sp-3);
}

.page-news .news-version--current {
  border-top-color: var(--amber-500);
}

.page-news .news-version__idx {
  margin: 0 0 var(--sp-1);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--slate-500);
}

.page-news .news-version h3 {
  margin: 0 0 var(--sp-1);
  font-size: var(--fs-18);
  line-height: 1.4;
}

.page-news .news-version p:last-child {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--slate-500);
}

/* 使用专题 */
.page-news .news-series {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
}

.page-news .news-series__media {
  display: grid;
  gap: var(--sp-1);
  align-content: start;
}

.page-news .news-series__figure {
  margin: 0;
  border-radius: 0 var(--notch) 0 var(--notch);
  overflow: hidden;
}

.page-news .news-series__figure img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-news .news-series__caption {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--slate-500);
}

.page-news .news-series__list {
  display: grid;
  gap: var(--sp-2);
  align-content: start;
}

.page-news .news-series__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: var(--sp-2);
  align-items: start;
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--news-hair);
  border-left: 3px solid var(--cyan-200);
  border-radius: 0 var(--notch) 0 var(--notch);
  background: var(--white);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-news .news-series__item:hover,
.page-news .news-series__item:focus-visible {
  transform: translateY(-2px);
  border-left-color: var(--amber-500);
  background: var(--paper-100);
}

.page-news .news-series__item:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 2px;
}

.page-news .news-series__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--cyan-500);
  padding-top: 4px;
}

.page-news .news-series__body {
  display: grid;
  gap: 4px;
}

.page-news .news-series__title {
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-900);
}

.page-news .news-series__desc {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate-500);
}

/* 归档回溯 */
.page-news .news-archive {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
}

.page-news .news-archive__text h2 {
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: 0.04em;
  margin: var(--sp-1) 0 var(--sp-2);
}

.page-news .news-archive__text > p {
  margin: 0 0 var(--sp-3);
  color: var(--slate-500);
  line-height: 1.8;
  max-width: 40em;
}

.page-news .news-archive__list {
  list-style: none;
  margin: 0 0 var(--sp-3);
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-news .news-archive__list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--sp-2);
  align-items: start;
  padding: var(--sp-2) 0;
  border-top: 1px solid rgba(11, 18, 32, 0.1);
}

.page-news .news-archive__num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan-500);
  padding-top: 2px;
}

.page-news .news-archive__list strong {
  display: block;
  font-size: var(--fs-16);
  margin-bottom: 4px;
  color: var(--ink-900);
}

.page-news .news-archive__list p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--slate-500);
}

.page-news .news-archive__note {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--slate-500);
  border-left: 2px solid var(--cyan-200);
  padding-left: var(--sp-2);
}

.page-news .news-archive__figure {
  margin: 0;
  border-radius: 0 var(--notch) 0 var(--notch);
  overflow: hidden;
  border: 1px solid rgba(11, 18, 32, 0.1);
  background: var(--white);
  align-self: start;
}

.page-news .news-archive__figure img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-news .news-archive__figure .img-frame__caption {
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-12);
  color: var(--slate-500);
}

/* 结尾引导 */
.page-news .news-cta {
  position: relative;
  overflow: hidden;
  padding: var(--sp-5) var(--sp-3);
  background: var(--ink-700);
  color: var(--white);
  border-radius: 0 var(--notch) 0 var(--notch);
}

.page-news .news-cta::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  border: 2px solid rgba(0, 194, 199, 0.35);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .news-cta .eyebrow {
  color: var(--cyan-200);
}

.page-news .news-cta h2 {
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: 0.04em;
  margin: var(--sp-1) 0 var(--sp-2);
}

.page-news .news-cta p {
  position: relative;
  margin: 0;
  max-width: 40em;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
}

.page-news .news-cta p a {
  color: var(--cyan-200);
  text-underline-offset: 3px;
}

.page-news .news-cta p a:hover,
.page-news .news-cta p a:focus-visible {
  color: var(--amber-300);
}

.page-news .news-cta__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

/* 中等屏幕 */
@media (min-width: 620px) {
  .page-news .news-hero {
    padding-top: var(--sp-5);
  }

  .page-news .news-beat li {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-beat__bar {
    width: 100%;
  }

  .page-news .news-beat__bar--quarter {
    width: 64%;
  }

  .page-news .news-beat__bar--year {
    width: 38%;
  }
}

/* 桌面栅格 */
@media (min-width: 760px) {
  .page-news .news-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--sp-3);
    padding-top: 24px;
    position: relative;
    margin-bottom: var(--sp-6);
  }

  .page-news .news-track::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 4px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan-500) 0%, var(--cyan-200) 58%, var(--paper-200) 100%);
  }

  .page-news .news-track__node {
    padding: 0;
    border-left: 0;
  }

  .page-news .news-track__dot {
    top: -24px;
    left: 0;
  }

  .page-news .news-list {
    gap: var(--sp-3);
  }

  .page-news .news-list > li:nth-child(odd) {
    margin-right: var(--sp-5);
  }

  .page-news .news-list > li:nth-child(even) {
    margin-left: var(--sp-5);
  }

  .page-news .news-versions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-4);
    padding-bottom: var(--sp-4);
  }

  .page-news .news-version:nth-child(2) {
    transform: translateY(var(--sp-3));
  }

  .page-news .news-version:nth-child(3) {
    transform: translateY(calc(var(--sp-3) * 2));
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--sp-5);
    align-items: end;
  }

  .page-news .news-series {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--sp-5);
    align-items: start;
  }

  .page-news .news-archive {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--sp-5);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .news-recent__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: var(--sp-5);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry__link,
  .page-news .news-entry__sum,
  .page-news .news-series__item {
    transition: none;
  }

  .page-news .news-entry__link:hover,
  .page-news .news-entry__link:focus-visible,
  .page-news .news-series__item:hover,
  .page-news .news-series__item:focus-visible {
    transform: none;
  }

  .page-news .news-version:nth-child(2),
  .page-news .news-version:nth-child(3) {
    transform: none;
  }
}
<<<END>>>