.page-news {
  --news-axis: 24px;
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(26px, 5vw, 60px) 0 clamp(24px, 4vw, 42px);
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.4vw, 82px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 12px 0 20px;
  max-width: 14em;
}

.page-news .news-hero__lede {
  max-width: 34em;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--mist);
  margin: 0 0 clamp(24px, 4vw, 36px);
}

.page-news .news-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-news .news-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--layer);
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-lg);
}

.page-news .news-hero__meta-value {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cyan);
  line-height: 1.1;
}

.page-news .news-hero__meta-label {
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--mist);
}

/* ---------- 图片容器 ---------- */
.page-news .news-figure {
  margin: clamp(26px, 4.6vw, 50px) 0 0;
}

.page-news .news-figure--side,
.page-news .news-figure--topic,
.page-news .news-figure--cadence {
  margin-top: 0;
}

.page-news .figure__media {
  aspect-ratio: auto;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--layer);
  border: 1px solid var(--line);
}

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

.page-news .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 区块 ---------- */
.page-news .news-block {
  padding-top: clamp(40px, 7vw, 88px);
}

.page-news .news-block .section__head {
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

/* ---------- 版本条目 ---------- */
.page-news .filter-bar {
  margin-bottom: 24px;
}

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

.page-news .log-item {
  display: grid;
  grid-template-columns: var(--news-axis) minmax(0, 1fr);
  column-gap: 14px;
  padding-bottom: 20px;
}

.page-news .log-item__axis {
  position: relative;
}

.page-news .log-item__axis::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 24px;
  bottom: -20px;
  width: 1px;
  background: var(--line-mid);
  transform: translateX(-50%);
}

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

.page-news .log-item:last-child .log-item__axis::after {
  display: none;
}

.page-news .log-item__node {
  position: absolute;
  left: 50%;
  top: 10px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--console);
  border: 1px solid var(--line-strong);
  transform: translateX(-50%);
}

.page-news .log-item.is-current .log-item__node {
  background: var(--cyan);
  border-color: var(--cyan);
  animation: news-pulse 3s var(--ease) infinite;
}

@keyframes news-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(34, 224, 214, 0.14);
  }
  50% {
    box-shadow: 0 0 0 11px rgba(34, 224, 214, 0.03);
  }
}

.page-news .log-item__body {
  position: relative;
  padding: 16px 16px 18px;
  background: var(--layer);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

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

.page-news .log-item.is-current .log-item__body {
  background: linear-gradient(150deg, rgba(34, 224, 214, 0.1), var(--layer) 58%);
  border-color: var(--line-strong);
}

.page-news .log-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 10px;
}

.page-news .log-item__version {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .log-item__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--paper);
  margin: 0 0 14px;
}

.page-news .log-item__facts {
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 14px;
}

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

.page-news .log-item__facts dt {
  flex: 0 0 5.6em;
  font-size: 12px;
  letter-spacing: 0.07em;
  color: var(--mist);
}

.page-news .log-item__facts dd {
  margin: 0;
  color: var(--paper);
  line-height: 1.5;
}

.page-news .log-item__facts .num {
  color: var(--cyan-soft);
}

.page-news .log-item__detail {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-news .log-item__detail summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--cyan-soft);
}

.page-news .log-item__detail summary::-webkit-details-marker {
  display: none;
}

.page-news .log-item__detail summary::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.2s var(--ease);
}

.page-news .log-item__detail[open] summary::before {
  transform: rotate(45deg);
}

.page-news .log-item__detail p {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .filter-empty {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--mist);
}

/* ---------- 分类专栏 ---------- */
.page-news .column-layout {
  display: grid;
  gap: clamp(20px, 3.6vw, 36px);
}

.page-news .column-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-news .column-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 16px;
  background: var(--layer);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-news .column-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-news .column-card.is-current {
  background: linear-gradient(158deg, rgba(34, 224, 214, 0.16), var(--layer) 64%);
  border-color: var(--line-strong);
}

.page-news .column-card__badge {
  align-self: flex-start;
  padding: 4px 9px;
  border-radius: 100px;
  background: var(--cyan);
  color: var(--deep);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-news .column-card__name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.3;
}

.page-news .column-card__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .column-card__meta .num {
  color: var(--cyan);
}

/* ---------- 专题系列 ---------- */
.page-news .topic {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
}

.page-news .topic__quote {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.8vw, 38px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 17em;
}

.page-news .topic__text {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .stage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .stage {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  background: var(--layer);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-news .stage__index {
  align-self: start;
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-news .stage__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
}

.page-news .stage__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .stage__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 36em;
}

/* ---------- 版本号说明 ---------- */
.page-news .ver-read {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--layer);
}

.page-news .ver-read__head {
  display: none;
}

.page-news .ver-read__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.page-news .ver-read__row:last-child {
  border-bottom: 0;
}

.page-news .ver-read__seg {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-news .ver-read__val {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
  line-height: 1.1;
}

.page-news .ver-read__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .ver-read__note {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .ver-read__note .num {
  color: var(--amber);
  letter-spacing: 0.04em;
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  row-gap: clamp(24px, 4vw, 40px);
}

.page-news .cadence-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .cadence-list__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

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

.page-news .cadence-list__key {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-news .cadence-list__text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-news .cadence-list__text .num {
  color: var(--cyan);
}

.page-news .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .cadence-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-news .news-next {
  border-top: 1px solid var(--line-mid);
  margin-top: clamp(40px, 7vw, 88px);
  padding-top: clamp(30px, 5vw, 56px);
}

.page-news .news-next__text {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

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

/* ---------- 动效 ---------- */
@keyframes news-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-news .news-hero__title,
.page-news .news-hero__lede,
.page-news .news-hero__meta {
  animation: news-rise 0.4s var(--ease) both;
}

.page-news .news-hero__lede {
  animation-delay: 0.07s;
}

.page-news .news-hero__meta {
  animation-delay: 0.14s;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .cadence-list__item {
    grid-template-columns: 6.5em minmax(0, 1fr);
    gap: 18px;
  }

  .page-news .log-item__body {
    padding: 18px 20px 20px;
  }
}

@media (min-width: 720px) {
  .page-news .ver-read__head,
  .page-news .ver-read__row {
    grid-template-columns: 7em 6em minmax(0, 1fr);
    align-items: center;
    gap: 20px;
  }

  .page-news .ver-read__head {
    display: grid;
    padding: 12px 18px;
    background: var(--console);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--cyan-soft);
  }

  .page-news .ver-read__row {
    padding: 16px 18px;
  }
}

@media (min-width: 900px) {
  .page-news {
    --news-axis: 30px;
  }

  .page-news .log-item {
    column-gap: 20px;
    padding-bottom: 24px;
  }

  .page-news .log-item__axis::after {
    bottom: -24px;
  }

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

@media (min-width: 1000px) {
  .page-news .log-item {
    grid-template-columns: var(--news-axis) minmax(0, 1fr);
  }

  .page-news .log-item__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px 28px;
  }

  .page-news .column-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-news .cadence {
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-news .column-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero__title,
  .page-news .news-hero__lede,
  .page-news .news-hero__meta {
    animation: none;
  }

  .page-news .log-item.is-current .log-item__node {
    animation: none;
  }

  .page-news .column-card {
    transition: none;
  }
}