.page-news {
  --news-slate: #8FA0B3;
  --news-ink-soft: #2A313B;
  --news-ink-mid: #3A424E;
  --news-sticky: 24px;
  padding-bottom: 88px;
}

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

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-top: 24px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: 8px;
}

.page-news .news-hero__inner {
  padding: 18px 0 30px;
}

.page-news .news-hero__title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(2.05rem, 7.6vw, 3.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  max-width: 22ch;
  color: var(--text);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-news .news-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 4.4vw, 1.75rem);
  letter-spacing: 0.02em;
  color: var(--cyan);
  line-height: 1.1;
}

.page-news .news-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--text-dim);
}

.page-news .news-hero__banner {
  margin: 0 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}

.page-news .news-hero__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 520;
  object-fit: cover;
}

/* ---------- 主栅格 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: 46px;
}

.page-news .news-rail {
  display: none;
}

.page-news .news-rail__title {
  margin: 0 0 14px;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-news .news-rail__nav {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
}

.page-news .news-rail__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-left: -1px;
  padding: 10px 0 10px 14px;
  border-left: 2px solid transparent;
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-news .news-rail__link:hover {
  color: var(--text);
}

.page-news .news-rail__link:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-rail__num {
  font-size: 0.68rem;
  color: var(--rock);
  transition: color var(--fast) var(--ease);
}

.page-news .news-rail__link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-news .news-rail__link[aria-current="true"] .news-rail__num {
  color: var(--cyan);
}

.page-news .news-rail__note {
  margin: 20px 0 0;
  padding-left: 14px;
  font-size: 0.76rem;
  line-height: 1.65;
  color: var(--rock);
  border-left: 1px solid var(--line);
}

/* ---------- 章节骨架 ---------- */
.page-news .news-stream {
  min-width: 0;
}

.page-news .news-section + .news-section {
  margin-top: 76px;
}

.page-news .news-section__head {
  margin-bottom: 24px;
}

.page-news .news-section__head .section-title {
  margin: 10px 0 0;
}

.page-news .news-section__lede {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 类型标签 ---------- */
.page-news .news-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-news .news-type {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  background: transparent;
}

.page-news .news-type--ops { color: var(--blue); }
.page-news .news-type--ver { color: var(--cyan); }
.page-news .news-type--ux { color: var(--orange); }
.page-news .news-type--guide { color: var(--news-slate); }
.page-news .news-type--coop { color: var(--clay); }

/* ---------- 更新索引 ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  padding: 20px 16px 20px 18px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: border-color var(--fast) var(--ease), background-color var(--fast) var(--ease);
}

.page-news .news-item--now {
  border-left-color: var(--cyan);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  border-left-color: var(--cyan);
  background-color: var(--cyan-soft);
}

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

.page-news .news-item__time {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--rock);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-news .news-item__title a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}

.page-news .news-item__title a:hover {
  color: var(--blue);
}

.page-news .news-item__title a:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .news-item__text {
  margin: 0;
  max-width: 66ch;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--text-dim);
  transition: color var(--fast) var(--ease);
}

.page-news .news-item:hover .news-item__text,
.page-news .news-item:focus-within .news-item__text {
  color: var(--text);
}

/* ---------- 月度速览 ---------- */
.page-news .news-monthly {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: var(--cream);
  color: var(--ink-900);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-monthly__body {
  padding: 26px 22px 28px;
}

.page-news .news-monthly__eyebrow {
  color: var(--moss);
}

.page-news .news-monthly__title {
  margin: 10px 0 12px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.35rem, 4.6vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .news-monthly__text {
  margin: 0 0 18px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--news-ink-mid);
}

.page-news .news-monthly__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-news .news-monthly__list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  font-size: 0.89rem;
  line-height: 1.7;
  color: var(--news-ink-soft);
}

.page-news .news-monthly__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--clay);
}

.page-news .news-monthly__list li:nth-child(2n)::before {
  background: var(--moss);
}

.page-news .news-monthly__media {
  margin: 0;
  background: var(--ink-800);
}

.page-news .news-monthly__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 640;
  object-fit: cover;
}

/* ---------- 专题轨道 ---------- */
.page-news .news-track {
  display: flex;
  gap: 16px;
  margin: 0 -4px;
  padding: 4px 4px 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--rock) var(--ink-800);
}

.page-news .news-track:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-news .news-track::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-track::-webkit-scrollbar-track {
  background: var(--ink-800);
  border-radius: 999px;
}

.page-news .news-track::-webkit-scrollbar-thumb {
  background: var(--rock);
  border-radius: 999px;
}

.page-news .news-series {
  flex: 0 0 80%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  scroll-snap-align: start;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-news .news-series:hover {
  border-color: var(--series-accent, var(--cyan));
  transform: translateY(-2px);
}

.page-news .news-series--cyan { --series-accent: var(--cyan); }
.page-news .news-series--blue { --series-accent: var(--blue); }
.page-news .news-series--orange { --series-accent: var(--orange); }
.page-news .news-series--clay { --series-accent: var(--clay); }

.page-news .news-series__media {
  margin: 0;
  background: var(--ink-700);
}

.page-news .news-series__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 500;
  object-fit: cover;
  filter: saturate(0.85);
  transition: filter var(--slow) var(--ease);
}

.page-news .news-series:hover .news-series__media img {
  filter: saturate(1.1);
}

.page-news .news-series__body {
  padding: 16px 18px 22px;
}

.page-news .news-series__meta {
  margin: 0 0 8px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--series-accent, var(--cyan));
}

.page-news .news-series__title {
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-news .news-series__text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 订阅与收藏 ---------- */
.page-news .news-sub {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 24px 22px 26px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.page-news .news-sub .section-title {
  margin: 10px 0 0;
}

.page-news .news-sub__lede {
  margin: 12px 0 20px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 58ch;
}

.page-news .news-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-news .news-steps li {
  display: flex;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .news-steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .news-steps__num {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--blue);
}

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

.page-news .news-sub__media {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink-900);
}

.page-news .news-sub__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 700;
  object-fit: cover;
}

/* ---------- 节奏与回访 ---------- */
.page-news .news-cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .news-cadence__item {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--blue);
  border-radius: var(--radius-sm);
  background: var(--ink-800);
  transition: border-color var(--fast) var(--ease);
}

.page-news .news-cadence__item:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-news .news-cadence__item:nth-child(3) {
  border-top-color: var(--clay);
}

.page-news .news-cadence__item:hover {
  border-color: var(--line-strong);
}

.page-news .news-cadence__tag {
  margin: 0 0 10px;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-news .news-cadence__title {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-news .news-cadence__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .news-cadence__notice {
  margin: 24px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-series {
    flex: 0 0 62%;
  }

  .page-news .news-cadence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-news .news-monthly {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-news .news-monthly__media {
    min-height: 100%;
  }

  .page-news .news-monthly__media img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-news .news-sub {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    padding: 34px 30px;
    gap: 32px;
  }

  .page-news .news-series {
    flex: 0 0 42%;
  }

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

@media (min-width: 960px) {
  .page-news {
    --news-sticky: 32px;
  }

  .page-news .news-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 52px;
    padding-top: 64px;
    align-items: start;
  }

  .page-news .news-rail {
    display: block;
    position: sticky;
    top: var(--news-sticky);
  }

  .page-news .news-hero__inner {
    padding-top: 26px;
  }

  .page-news .news-section + .news-section {
    margin-top: 88px;
  }

  .page-news .news-series {
    flex: 0 0 31%;
  }

  .page-news .news-track {
    gap: 18px;
  }
}

@media (min-width: 1180px) {
  .page-news .news-hero__title {
    max-width: 18ch;
  }

  .page-news .news-series {
    flex: 0 0 27%;
  }
}