.page-news {
  --news-track: var(--cyan);
  --news-ring: rgba(63, 227, 198, .12);
  padding-bottom: clamp(40px, 7vw, 96px);
}

.page-news .crumbs {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
}

/* ---------- 首屏置顶专题 ---------- */
.page-news .feature {
  position: relative;
  margin-top: clamp(16px, 2.6vw, 30px);
  background: linear-gradient(165deg, rgba(15, 58, 49, .58), rgba(16, 22, 20, .96) 62%);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-news .feature::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  pointer-events: none;
}

.page-news .feature__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(22px, 4vw, 52px) clamp(18px, 3.4vw, 46px);
}

.page-news .feature__title {
  margin: 0;
  font-size: clamp(29px, 5.4vw, 56px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-news .feature__lede {
  margin: 0;
  max-width: 56ch;
  color: var(--dim);
  font-size: clamp(15px, 1.12vw, 17px);
  line-height: 1.75;
}

.page-news .feature__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-news .feature__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-news .feature__media {
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.page-news .feature__media .media {
  border: 0;
  border-radius: 0;
}

@media (min-width: 960px) {
  .page-news .feature {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-news .feature__body {
    justify-content: center;
  }

  .page-news .feature__media {
    display: flex;
    align-items: center;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .feature__media .media {
    width: 100%;
  }
}

/* ---------- 标签栏 ---------- */
.page-news .tags-section {
  margin-top: clamp(34px, 5.6vw, 82px);
}

.page-news .tags-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: end;
}

.page-news .tags-head__art {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}

.page-news .tags-head__art img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 190px;
  object-fit: cover;
  filter: saturate(.55) contrast(1.06);
}

@media (min-width: 820px) {
  .page-news .tags-head {
    grid-template-columns: minmax(0, 1fr) 240px;
  }
}

.page-news .tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-news .tagbar__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(15, 58, 49, .26);
  color: var(--dim);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .tagbar__item::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: .65;
}

.page-news .tagbar__item:nth-child(2) {
  background: rgba(15, 58, 49, .18);
}

.page-news .tagbar__item:nth-child(3) {
  background: rgba(15, 58, 49, .11);
}

.page-news .tagbar__item:nth-child(4) {
  background: rgba(15, 58, 49, .06);
}

.page-news .tagbar__item:hover,
.page-news .tagbar__item:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(63, 227, 198, .08);
}

/* ---------- 条目列表 ---------- */
.page-news .entries-section {
  margin-top: clamp(34px, 5.6vw, 80px);
}

.page-news .track {
  --track: var(--cyan);
  --track-ring: rgba(63, 227, 198, .12);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-news .track[data-track="release"],
.page-news .track[data-track="revision"] {
  --track: var(--amber);
  --track-ring: rgba(243, 180, 68, .14);
}

.page-news .track__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(15px, 1.3vw, 18px);
  font-weight: 800;
  letter-spacing: .03em;
  color: var(--text);
}

.page-news .track__title::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--track);
  flex: 0 0 auto;
}

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

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-news .entries > .entry:first-child {
  border-top: 0;
}

.page-news .entry__when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--dim);
}

.page-news .entry__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-news .entry__title {
  color: var(--text);
  font-size: clamp(17px, 1.35vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-news .entry__desc {
  margin: 0;
  max-width: 62ch;
  color: var(--dim);
  font-size: 15px;
  line-height: 1.72;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 2px;
}

.page-news .entry__source {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--dim);
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

@media (min-width: 820px) {
  .page-news .entries {
    padding-left: 46px;
  }

  .page-news .entries::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: linear-gradient(180deg, var(--track), var(--line) 20%, var(--line) 78%, transparent);
    opacity: .6;
  }

  .page-news .entry {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 0 22px;
    padding: 22px 0;
  }

  .page-news .entry::before {
    content: "";
    position: absolute;
    left: -46px;
    top: 27px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--track);
    box-shadow: 0 0 0 4px var(--track-ring);
  }

  .page-news .entry:nth-child(even) .entry__body {
    padding-left: 30px;
  }
}

@media (min-width: 820px) and (hover: hover) {
  .page-news .entry__source {
    opacity: .38;
  }

  .page-news .entry:hover .entry__source,
  .page-news .entry:focus-within .entry__source {
    opacity: 1;
    color: var(--cyan);
  }
}

/* ---------- 长文预览横向带 ---------- */
.page-news .longread-section {
  margin-top: clamp(38px, 6vw, 88px);
}

.page-news .rail {
  display: flex;
  gap: 16px;
  margin-top: clamp(18px, 2.8vw, 30px);
  padding: 4px 2px 18px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .rail__card {
  scroll-snap-align: start;
  flex: 0 0 82%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 250px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: 7px 7px 0 -1px rgba(36, 65, 58, .32);
}

.page-news .rail__title {
  margin: 0;
  font-size: clamp(17px, 1.4vw, 20px);
  font-weight: 800;
  line-height: 1.45;
}

.page-news .rail__desc {
  margin: 0;
  color: var(--dim);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-news .rail__meta {
  display: grid;
  gap: 6px;
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-news .rail__meta > div {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.page-news .rail__meta dt {
  flex: 0 0 42px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--dim);
}

.page-news .rail__meta dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--text);
}

.page-news .rail__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-news .rail__card--media .media {
  margin-bottom: 4px;
}

@media (min-width: 760px) {
  .page-news .rail__card {
    flex-basis: 340px;
  }

  .page-news .rail__card:nth-child(3n + 2) {
    flex-basis: 410px;
  }

  .page-news .rail__card:nth-child(3n) {
    flex-basis: 300px;
  }
}

@media (min-width: 1280px) {
  .page-news .rail__card {
    flex-basis: 380px;
  }

  .page-news .rail__card:nth-child(3n + 2) {
    flex-basis: 462px;
  }

  .page-news .rail__card:nth-child(3n) {
    flex-basis: 330px;
  }
}

/* ---------- 回访节奏 ---------- */
.page-news .cadence-section {
  margin-top: clamp(38px, 6vw, 88px);
}

.page-news .cadence__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(18px, 2.8vw, 30px);
}

.page-news .cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .cadence__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-sm);
}

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

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

.page-news .cadence__idx {
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .cadence__name {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.5;
}

.page-news .cadence__text {
  margin: 0;
  color: var(--dim);
  font-size: 14.5px;
  line-height: 1.72;
}

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

.page-news .cadence__figure .media {
  width: 100%;
}

.page-news .cadence__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: clamp(18px, 2.8vw, 28px);
  padding: 18px 20px;
  background: rgba(15, 58, 49, .18);
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
}

.page-news .cadence__cta p {
  flex: 1 1 320px;
  margin: 0;
  color: var(--dim);
  font-size: 14.5px;
  line-height: 1.7;
}

@media (min-width: 900px) {
  .page-news .cadence__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
  }
}

/* ---------- 收束 ---------- */
.page-news .outro {
  margin-top: clamp(36px, 6vw, 84px);
  padding-top: clamp(22px, 3.4vw, 40px);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
}

.page-news .outro .lede {
  max-width: 64ch;
}

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

@media (prefers-reduced-motion: reduce) {
  .page-news .tagbar__item,
  .page-news .entry__title,
  .page-news .entry__source,
  .page-news .rail__link {
    transition: none;
  }
}