/* ===== 版本观察 / news ===== */
.page-news {
  --news-rule: 2px solid var(--line-700);
  --news-shadow-gap: 8px;
}

/* --- 首屏 --- */
.page-news .news-hero {
  padding-top: 34px;
  padding-bottom: 32px;
  border-bottom: var(--news-rule);
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  max-width: 15em;
  font-size: clamp(36px, 8vw, 96px);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 0.98;
  color: var(--paper-100);
}

.page-news .news-hero__title span {
  color: var(--cyan-500);
}

.page-news .news-hero__lede {
  margin: 22px 0 0;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--line-700);
  border: var(--news-rule);
}

.page-news .news-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px;
  background: var(--ink-800);
  min-width: 0;
}

.page-news .news-hero__stat-num {
  order: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.4vw, 24px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--cyan-500);
  white-space: nowrap;
}

.page-news .news-hero__stat-label {
  order: 2;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--mist-300);
}

/* --- 本期置顶 --- */
.page-news .news-top {
  margin-top: 36px;
}

.page-news .news-top__panel {
  margin-right: var(--news-shadow-gap);
  margin-bottom: var(--news-shadow-gap);
  padding: 26px 20px;
  border-left: 6px solid var(--ember-500);
}

.page-news .news-top__title {
  margin: 12px 0 0;
  max-width: 26em;
  color: var(--paper-100);
}

.page-news .news-top__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-top__list li {
  position: relative;
  padding: 0 0 12px 26px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-300);
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-top__list li + li {
  padding-top: 12px;
}

.page-news .news-top__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .news-top__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--cyan-500);
  box-shadow: 2px 2px 0 var(--shadow-ink);
}

.page-news .news-top__list li + li::before {
  top: 20px;
}

.page-news .news-top__foot {
  margin-top: 24px;
}

/* --- 标签跳转条 --- */
.page-news .news-filters {
  margin-top: 40px;
  padding-top: 14px;
  padding-bottom: 14px;
  border-top: var(--news-rule);
  border-bottom: var(--news-rule);
}

.page-news .news-filters__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-filters__tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 2px solid var(--line-700);
  background: var(--ink-800);
  color: var(--paper-100);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: background-color 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease);
}

.page-news .news-filters__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-300);
  transition: color 0.22s var(--ease);
}

.page-news .news-filters__tab:hover,
.page-news .news-filters__tab:focus-visible {
  background: var(--cyan-500);
  border-color: var(--cyan-500);
  color: var(--ink-900);
  outline: none;
}

.page-news .news-filters__tab:hover .news-filters__count,
.page-news .news-filters__tab:focus-visible .news-filters__count {
  color: var(--ink-900);
}

/* --- 插图 --- */
.page-news .news-figure {
  margin: 32px 0 0;
  margin-right: var(--news-shadow-gap);
  border: var(--news-rule);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-news .news-figure--inset {
  margin-top: 28px;
}

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

.page-news .news-figure__caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist-300);
  border-top: 1px solid var(--line-700);
  background: var(--ink-900);
}

/* --- 条目列表 --- */
.page-news .news-log {
  margin-top: 40px;
  overflow-x: clip;
}

.page-news .news-group + .news-group {
  margin-top: 44px;
  padding-top: 36px;
  border-top: var(--news-rule);
}

.page-news .news-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-news .news-group__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--paper-100);
}

.page-news .news-group__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-500);
}

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

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 14px 18px 16px;
  border-top: 1px solid var(--line-700);
  transition: background-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-news .news-item:last-child {
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--cyan-500);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.22s var(--ease);
}

.page-news .news-item:hover {
  background: var(--ink-800);
  transform: translateX(4px);
}

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

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ember-300);
}

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

.page-news .news-item__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.5;
  color: var(--paper-100);
}

.page-news .news-item__text {
  margin: 6px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-300);
}

.page-news .news-item__tag {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 8px;
  border: 1px solid var(--line-700);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-500);
}

.page-news .news-item__tag--docs {
  color: var(--amber-400);
  border-color: rgba(255, 209, 102, 0.5);
}

.page-news .news-item__tag--scene {
  color: var(--violet);
  border-color: rgba(123, 108, 246, 0.55);
}

.page-news .news-item__tag--view {
  color: var(--ember-300);
  border-color: rgba(255, 184, 119, 0.5);
}

/* --- 专题系列 --- */
.page-news .news-series {
  margin-top: 60px;
}

.page-news .series-grid {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-news .series-card {
  position: relative;
  padding: 22px 20px;
  margin-right: var(--news-shadow-gap);
  border: var(--news-rule);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .series-card:hover,
.page-news .series-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard-lg);
  border-color: var(--cyan-500);
}

.page-news .series-card__media {
  margin: 0 0 18px;
  border: 1px solid var(--line-700);
  overflow: hidden;
}

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

.page-news .series-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--paper-100);
}

.page-news .series-card__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-300);
}

.page-news .series-card__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-700);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan-500);
  transition: color 0.24s var(--ease);
}

.page-news .series-card:hover .series-card__meta {
  color: var(--ember-300);
}

/* --- 回访引导 --- */
.page-news .news-revisit {
  margin-top: 60px;
}

.page-news .news-revisit__panel {
  position: relative;
  padding: 28px 20px;
  margin-right: var(--news-shadow-gap);
  margin-bottom: var(--news-shadow-gap);
  border: var(--news-rule);
  background: var(--ink-800);
  overflow: hidden;
}

.page-news .news-revisit__panel::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(47, 224, 208, 0.2), rgba(8, 24, 44, 0) 70%);
  pointer-events: none;
}

.page-news .news-revisit__title {
  position: relative;
  margin: 0;
  max-width: 22em;
  color: var(--paper-100);
}

.page-news .news-revisit__text {
  position: relative;
  margin: 16px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-news .news-revisit__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* --- 平板 --- */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding-top: 44px;
    padding-bottom: 38px;
  }

  .page-news .news-top__panel {
    padding: 30px 28px;
  }

  .page-news .news-item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 22px;
    padding: 22px 22px 22px 20px;
  }

  .page-news .news-item__time {
    padding-top: 4px;
  }

  .page-news .news-item__tag {
    margin-top: 12px;
  }

  .page-news .news-figure--inset {
    margin-left: 154px;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }
}

/* --- 桌面 --- */
@media (min-width: 1080px) {
  .page-news .news-hero {
    padding-top: 64px;
    padding-bottom: 46px;
  }

  .page-news .news-hero__stats {
    max-width: 720px;
  }

  .page-news .news-top {
    margin-top: 44px;
  }

  .page-news .news-top__panel {
    padding: 34px 36px;
  }

  .page-news .news-filters {
    margin-top: 48px;
  }

  .page-news .news-log {
    margin-top: 48px;
  }

  .page-news .news-item {
    grid-template-columns: 148px minmax(0, 1fr);
    padding: 24px 28px 24px 24px;
  }

  .page-news .news-figure--inset {
    margin-left: 172px;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-news .series-card:nth-child(2) {
    margin-top: 26px;
  }

  .page-news .news-revisit__panel {
    padding: 38px 40px;
  }
}

/* --- 动效收敛 --- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .series-card,
  .page-news .news-filters__tab,
  .page-news .news-item__tag {
    transition: none;
  }

  .page-news .news-item:hover,
  .page-news .series-card:hover,
  .page-news .series-card:focus-within {
    transform: none;
  }

  .page-news .news-item::before {
    transition: none;
  }
}