.page-news {
  padding-top: var(--header-h);
  padding-bottom: 96px;
  background: var(--paper-100);
}

.page-news .breadcrumb {
  padding-top: 24px;
}

/* ---------- 页头 ---------- */
.page-news .page-head {
  padding-top: 20px;
  padding-bottom: 40px;
  max-width: 980px;
}

.page-news .page-head__title {
  max-width: 22ch;
}

.page-news .page-head__lede {
  max-width: 62ch;
}

.page-news .page-head__lede + .page-head__lede {
  margin-top: 12px;
  color: var(--ink-400);
  font-size: 15px;
}

/* ---------- 图片容器 ---------- */
.page-news .log-figure {
  margin: 0;
}

.page-news .log-figure__frame {
  border: 1px solid var(--tile-300);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--paper-200);
  box-shadow: var(--shadow-soft);
}

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

.page-news .log-figure--11x7 .log-figure__frame {
  aspect-ratio: 11 / 7;
}

.page-news .log-figure--4x3 .log-figure__frame {
  aspect-ratio: 4 / 3;
}

.page-news .log-figure--3x2 .log-figure__frame {
  aspect-ratio: 3 / 2;
}

.page-news .log-figure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-400);
  line-height: 1.6;
}

/* ---------- 瓷砖条带 ---------- */
.page-news .tile-band--soft {
  height: 14px;
  opacity: .5;
  margin: 48px 0 0;
}

/* ---------- 章节 ---------- */
.page-news .section {
  padding-top: 56px;
}

.page-news .section__head {
  max-width: 62ch;
  margin-bottom: 32px;
}

.page-news .section__num {
  color: var(--amber-500);
}

.page-news .section__title {
  font-family: var(--font-serif);
  color: var(--tile-900);
}

/* ---------- 日志条目 ---------- */
.page-news .log-entries {
  border-bottom: 1px solid var(--tile-300);
}

.page-news .log-entry {
  border-top: 1px solid var(--tile-300);
  padding: 16px 0;
  transition: background-color var(--dur) var(--ease);
}

.page-news .log-entry[open] {
  background: linear-gradient(90deg, rgba(251, 227, 198, .38), rgba(251, 227, 198, 0) 62%);
}

.page-news .log-entry__summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
  list-style: none;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 8px;
}

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

.page-news .log-entry__summary:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 3px;
}

.page-news .log-entry__time {
  grid-column: 1;
  grid-row: 1;
  display: inline-block;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--blue-050);
  color: var(--tile-900);
  white-space: nowrap;
}

.page-news .log-entry__time--slot {
  background: var(--amber-150);
}

.page-news .log-entry__time--ver {
  background: var(--mint-150);
}

.page-news .log-entry__title {
  grid-column: 1 / -1;
  grid-row: 2;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--tile-900);
}

.page-news .log-entry__tags {
  grid-column: 1 / -1;
  grid-row: 3;
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.page-news .log-entry__tags .tag {
  white-space: nowrap;
  flex: 0 0 auto;
}

.page-news .log-entry__caret {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--amber-500);
}

.page-news .log-entry__caret::after {
  content: "+";
}

.page-news .log-entry[open] .log-entry__caret::after {
  content: "−";
}

.page-news .log-entry__body {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--mint-150);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-600);
  max-width: 64ch;
}

/* ---------- 筛选 + 条目流 ---------- */
.page-news .log-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .log-filter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

.page-news .log-filter .tabs__tab {
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  padding: 7px 16px;
  border: 1px solid var(--tile-300);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink-600);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .log-filter .tabs__tab:hover {
  background: var(--amber-150);
  border-color: var(--amber-500);
  color: var(--tile-900);
}

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

.page-news .log-filter .tabs__tab[aria-selected="true"] {
  background: var(--tile-600);
  border-color: var(--tile-600);
  color: #fff;
}

.page-news .log-stream {
  min-width: 0;
}

.page-news .log-panel:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 4px;
  border-radius: 8px;
}

/* ---------- 版本表 ---------- */
.page-news .version-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-news .version-table-wrap {
  min-width: 0;
  overflow-x: auto;
}

.page-news .version-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
}

.page-news .version-table__caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--tile-600);
  padding-bottom: 10px;
}

.page-news .version-table th,
.page-news .version-table td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid var(--tile-300);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-600);
  vertical-align: top;
}

.page-news .version-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--tile-900);
  background: var(--mint-150);
  border-bottom-color: var(--mint-500);
}

.page-news .version-table tbody tr:nth-child(even) {
  background: rgba(205, 233, 223, .35);
}

.page-news .version-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  font-weight: 600;
  color: var(--amber-500);
  margin-right: .25em;
}

.page-news .version-table__note {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-400);
  max-width: 56ch;
}

.page-news .version-table__note a {
  color: var(--tile-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .version-figure {
  margin: 0;
}

/* ---------- 阅读耗时 ---------- */
.page-news .reading-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-news .read-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--tile-300);
}

.page-news .read-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--tile-300);
}

.page-news .read-item__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--tile-900);
}

.page-news .read-item__track {
  display: block;
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--mint-150);
  overflow: hidden;
}

.page-news .read-item__fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--mint-500), var(--amber-500));
}

.page-news .read-item__fill--am {
  width: 62%;
}

.page-news .read-item__fill--pm {
  width: 76%;
}

.page-news .read-item__fill--one {
  width: 24%;
}

.page-news .read-item__value {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.2;
  color: var(--amber-500);
}

.page-news .read-item__meta {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-400);
}

.page-news .read-item--plain .read-item__label {
  color: var(--tile-600);
}

/* ---------- 专题连载 ---------- */
.page-news .serial-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-news .serial-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .serial {
  padding: 18px 20px;
  border: 1px solid var(--tile-300);
  border-left: 3px solid var(--mint-500);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.page-news .serial__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber-500);
  background: var(--amber-150);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}

.page-news .serial__title {
  margin: 10px 0 6px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--tile-900);
}

.page-news .serial__desc {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-600);
}

/* ---------- 订阅 ---------- */
.page-news .subscribe-note {
  max-width: 68ch;
}

.page-news .subscribe-note a {
  color: var(--tile-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .subscribe-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 悬浮回到最近一期 ---------- */
.page-news .back-to-latest {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  line-height: 1;
  color: var(--tile-900);
  background: var(--paper-100);
  border: 1px solid var(--tile-300);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lift);
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .back-to-latest:hover {
  background: var(--amber-150);
  border-color: var(--amber-500);
  transform: translateY(-2px);
}

.page-news .back-to-latest:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 3px;
}

.page-news .back-to-latest__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber-500);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 700px) {
  .page-news .read-item {
    grid-template-columns: 140px minmax(0, 1fr) 96px;
    align-items: center;
    column-gap: 20px;
    row-gap: 10px;
  }

  .page-news .read-item__value {
    grid-column: 3;
    grid-row: 1;
    text-align: right;
    font-size: 24px;
  }

  .page-news .read-item__meta {
    grid-column: 2 / -1;
    grid-row: 2;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 900px) {
  .page-news {
    padding-bottom: 120px;
  }

  .page-news .version-split,
  .page-news .serial-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 44px;
  }

  .page-news .reading-split {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 44px;
  }

  .page-news .log-entry__summary {
    grid-template-columns: 172px minmax(0, 1fr) auto 24px;
    gap: 0 20px;
    padding: 6px 8px;
  }

  .page-news .log-entry__time {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .log-entry__title {
    grid-column: 2;
    grid-row: 1;
    font-size: 19px;
  }

  .page-news .log-entry__tags {
    grid-column: 3;
    grid-row: 1;
    justify-content: flex-end;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .log-entry__caret {
    grid-column: 4;
    grid-row: 1;
  }
}

@media (min-width: 1000px) {
  .page-news .log-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 40px;
  }

  .page-news .log-filter {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-news .log-filter .tabs__tab {
    width: 100%;
    text-align: left;
    padding: 9px 16px;
  }

  .page-news .tile-band--soft {
    margin-top: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-entry,
  .page-news .log-filter .tabs__tab,
  .page-news .back-to-latest {
    transition: none;
  }

  .page-news .back-to-latest:hover {
    transform: none;
  }
}