/* ===== 更新动态页（page-news）===== */

.page-news {
  padding-bottom: 72px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-wrap: break-word;
}

.page-news .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* --- 面包屑 --- */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-news .breadcrumb__sep {
  color: var(--rule);
}

/* --- 页头 --- */
.page-news .page-head {
  padding: 26px 0 34px;
  border-bottom: 1px solid var(--rule);
}

.page-news .page-head__kicker {
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--copper);
}

.page-news .page-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 6.4vw, 56px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-news .page-head__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: #3A4454;
}

/* --- 共用标题 --- */
.page-news .section__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 28px);
  font-weight: 600;
  line-height: 1.3;
}

.page-news .section__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* --- 近期变更 --- */
.news-stream {
  padding-top: 48px;
}

.news-stream__head {
  margin-bottom: 26px;
}

.news-stream__side {
  margin-bottom: 30px;
}

.news-stream__side-label {
  margin: 0 0 12px;
  font-size: 12px;
  color: var(--muted);
}

.page-news .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    background var(--t-fast) var(--ease);
}

.page-news .chip:hover {
  border-color: var(--ink);
}

.page-news .chip[aria-pressed="true"] {
  border-color: transparent;
  background: transparent;
  color: var(--cinnabar);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.page-news .chip:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-news .chip__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.page-news .chip[aria-pressed="true"] .chip__count {
  color: var(--cinnabar);
}

.news-stream__side-foot {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}

.news-stream__side-foot p {
  margin: 0 0 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.news-stream__side-foot p.mono {
  margin: 0;
  font-size: 11px;
  color: var(--muted);
}

.news-stream__main {
  min-width: 0;
}

/* --- 图片容器 --- */
.page-news .news-figure {
  margin: 0 0 30px;
  min-width: 0;
}

.page-news .figure__frame {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  overflow: hidden;
}

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

.page-news .figure__caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* --- 时间流 --- */
.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--rule);
}

.page-news .entry {
  position: relative;
  padding: 0 0 30px 30px;
  min-width: 0;
}

.page-news .entry:last-child {
  padding-bottom: 4px;
}

.page-news .entry__dot {
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--ink);
  transition: background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-news .entry:hover .entry__dot,
.page-news .entry:focus-within .entry__dot {
  background: var(--cinnabar);
  box-shadow: inset 0 0 0 1px var(--cinnabar);
}

.page-news .entry__time {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--muted);
}

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

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  transition: color var(--t-fast) var(--ease);
}

.page-news .entry:hover .entry__title {
  color: var(--cinnabar-dark);
}

.page-news .entry__desc {
  margin: 9px 0 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.8;
  color: #3A4454;
}

.page-news .entry__more {
  margin-top: 10px;
}

.page-news .entry__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--copper);
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry__more summary::before {
  content: "＋";
  font-size: 12px;
  line-height: 1;
}

.page-news .entry__more[open] summary::before {
  content: "－";
}

.page-news .entry__more summary:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

.page-news .entry__more p {
  margin: 10px 0 0;
  max-width: 60ch;
  padding-left: 12px;
  border-left: 1px solid var(--rule);
  font-size: 13px;
  line-height: 1.85;
  color: #4A5464;
}

/* --- 标签 --- */
.page-news .tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-news .tag--ink {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.page-news .tag--copper {
  border-color: var(--copper-tint);
  background: var(--copper-tint);
  color: var(--copper);
}

.page-news .tag--cinnabar {
  border-color: var(--cinnabar-tint);
  background: var(--cinnabar-tint);
  color: var(--cinnabar);
}

/* --- 本期重点 --- */
.news-focus {
  margin-top: 58px;
}

.news-focus__band {
  position: relative;
  padding: 28px 22px 30px;
  background: var(--ink);
  color: var(--paper);
}

.news-focus__band::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--cinnabar);
}

.news-focus__kicker {
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--copper-tint);
}

.news-focus__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 600;
  line-height: 1.4;
}

.news-focus__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(247, 244, 236, 0.84);
}

.news-focus__body {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.news-focus__text h3 {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
}

.news-focus__text h3 + .news-focus__list {
  margin-top: 0;
}

.news-focus__list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.news-focus__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: #3A4454;
}

.news-focus__list .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--copper);
  padding-top: 3px;
}

.news-focus__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: #3A4454;
}

.page-news .news-focus__text a,
.page-news .news-cadence__note a,
.page-news .news-review__links a {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar-tint);
  transition: border-color var(--t-fast) var(--ease);
}

.page-news .news-focus__text a:hover,
.page-news .news-cadence__note a:hover,
.page-news .news-review__links a:hover,
.page-news .news-focus__text a:focus-visible,
.page-news .news-cadence__note a:focus-visible,
.page-news .news-review__links a:focus-visible {
  border-bottom-color: var(--cinnabar);
}

.news-focus__figure {
  margin: 0;
}

/* --- 更新节奏 --- */
.news-cadence {
  margin-top: 58px;
}

.news-cadence__head {
  margin-bottom: 24px;
}

.news-cadence__grid {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.news-cadence__item {
  background: var(--paper);
  padding: 22px 20px;
  min-width: 0;
}

.news-cadence__freq {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--copper);
}

.news-cadence__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
}

.news-cadence__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: #4A5464;
}

.news-cadence__figure {
  margin: 28px 0 0;
}

.news-cadence__note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

/* --- 按类回看 --- */
.news-review {
  margin-top: 58px;
}

.news-review__head {
  margin-bottom: 26px;
}

.news-review__body {
  display: grid;
  gap: 30px;
}

.page-news .ledger {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-news .ledger__item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.page-news .ledger__no {
  flex: 0 0 auto;
  width: 24px;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--copper);
}

.page-news .ledger__body {
  flex: 1 1 auto;
  min-width: 0;
}

.page-news .ledger__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-news .ledger__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .ledger__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-news .ledger__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #3A4454;
}

.news-review__figure {
  margin: 0;
}

.news-review__links {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* --- 窄屏以上 --- */
@media (min-width: 700px) {
  .news-cadence__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .page-head__lead {
    font-size: 16px;
  }
}

@media (min-width: 900px) {
  .news-stream__layout {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .news-stream__side {
    position: sticky;
    top: 84px;
    margin-bottom: 0;
  }

  .page-news .chips {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-news .chip {
    justify-content: space-between;
    width: 100%;
    padding: 9px 0;
    border-color: transparent;
    border-bottom: 1px solid var(--rule);
  }

  .page-news .chip:hover {
    border-color: transparent;
    border-bottom-color: var(--ink);
  }

  .page-news .chip[aria-pressed="true"] {
    border-bottom-color: var(--cinnabar);
    text-underline-offset: 5px;
  }

  .news-focus__band {
    padding: 40px 48px;
    margin-right: 12%;
  }

  .news-focus__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    margin-top: 36px;
  }

  .news-cadence__figure {
    max-width: 640px;
  }

  .news-review__body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .news-cadence__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .entry__title {
    font-size: 19px;
  }
}

/* --- 降低动效偏好 --- */
@media (prefers-reduced-motion: reduce) {
  .page-news .breadcrumb a,
  .page-news .chip,
  .page-news .entry__dot,
  .page-news .entry__title,
  .page-news .news-focus__text a,
  .page-news .news-cadence__note a,
  .page-news .news-review__links a {
    transition: none;
  }
}