.page-news {
  --rail-w: 78px;
  --rail-gap: 34px;
  --entry-col: 50px;
  background: var(--deep);
  color: var(--paper);
}

/* ===== 面包屑与首屏 ===== */
.page-news .breadcrumb {
  padding-top: calc(var(--b) * 4);
}

.page-news .upd-hero {
  position: relative;
  padding-block: calc(var(--b) * 3) calc(var(--b) * 7);
  background-image: radial-gradient(circle at 86% 10%, rgba(217, 166, 75, 0.16), transparent 44%);
}

.page-news .upd-kicker {
  margin: 0;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .upd-title {
  margin: calc(var(--b) * 2) 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-news .upd-lede {
  margin: calc(var(--b) * 3) 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .upd-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: calc(var(--b) * 3) calc(var(--b) * 2);
  margin: calc(var(--b) * 5) 0 0;
  padding: calc(var(--b) * 3) 0 0;
  border-top: var(--line);
}

.page-news .upd-meta-item dt {
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-news .upd-meta-item dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--gold-hi);
}

.page-news .upd-hero-figure {
  margin: calc(var(--b) * 6) 0 0;
}

.page-news .upd-hero-figure .figure-frame {
  border: var(--line);
}

.page-news .upd-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-news .figure-caption {
  margin-top: 10px;
  font-family: var(--font-index);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ===== 日志外壳与左侧版本刻度 ===== */
.page-news .log-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--b) * 5);
  margin-top: calc(var(--b) * 5);
  padding-block: calc(var(--b) * 6) calc(var(--b) * 8);
  border-top: var(--line);
}

.page-news .time-rail {
  align-self: start;
}

.page-news .rail-label {
  margin: 0 0 12px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .rail-item {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.page-news .rail-tick {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--surf);
}

.page-news .rail-ver {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .rail-item.is-current .rail-tick {
  width: 36px;
  background: var(--cinnabar);
}

.page-news .rail-item.is-current .rail-ver {
  color: var(--gold-hi);
  font-weight: 700;
}

/* ===== 章节通用 ===== */
.page-news .log-section {
  scroll-margin-top: 96px;
}

.page-news .log-section + .log-section {
  margin-top: calc(var(--b) * 10);
}

.page-news .log-section .section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin: 0 0 calc(var(--b) * 4);
  padding-bottom: 14px;
  border-bottom: var(--line);
}

.page-news .log-section .section-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .log-section .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-news .log-section .section-note {
  margin: 0;
  max-width: 46ch;
  font-family: var(--font-index);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ===== 通用小组件 ===== */
.page-news .text-link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 166, 75, 0.42);
  padding-bottom: 1px;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-news .text-link:hover,
.page-news .text-link:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-news .tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--font-index);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.14em;
}

.page-news .tag-gold {
  color: var(--gold);
}

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

.page-news .tag-jade {
  color: var(--jade);
}

/* ===== 01 最新一期 ===== */
.page-news .brief-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .brief {
  display: grid;
  gap: 10px;
  padding-block: calc(var(--b) * 3);
  border-top: var(--line);
}

.page-news .brief:first-child {
  border-top: 2px solid var(--gold);
  padding-top: calc(var(--b) * 3.5);
}

.page-news .brief-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-news .brief-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 22px);
  line-height: 1.4;
}

.page-news .brief-body {
  margin: 0;
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
}

.page-news .brief-link {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 02 版本日志 ===== */
.page-news .log-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--b) * 4);
}

.page-news .log-list {
  margin: 0;
  padding: 0;
}

.page-news .log-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding-block: calc(var(--b) * 3);
  border-top: var(--line);
}

.page-news .log-entry:first-child {
  border-top: 2px solid var(--gold);
  padding-top: calc(var(--b) * 3.5);
}

.page-news .log-ver {
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-news .log-body {
  margin: 0;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-news .log-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-news .log-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 20px);
  line-height: 1.42;
}

.page-news .log-text {
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .log-when {
  margin: 0;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .log-figure .figure-frame {
  border: var(--line);
}

.page-news .log-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

/* ===== 03 专题系列 ===== */
.page-news .series-figure {
  margin: 0 0 calc(var(--b) * 4);
}

.page-news .series-figure .figure-frame {
  border: var(--line);
}

.page-news .series-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .series-scroll {
  display: flex;
  gap: calc(var(--b) * 2);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 2px 2px calc(var(--b) * 2);
  scrollbar-width: thin;
}

.page-news .series-scroll::-webkit-scrollbar {
  height: 4px;
}

.page-news .series-scroll::-webkit-scrollbar-track {
  background: var(--trench);
}

.page-news .series-scroll::-webkit-scrollbar-thumb {
  background: var(--surf);
}

.page-news .series-item {
  flex: 0 0 min(300px, 76vw);
  scroll-snap-align: start;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: calc(var(--b) * 3) calc(var(--b) * 3) calc(var(--b) * 3.5);
  background: var(--trench);
  border: var(--line);
  border-left: 2px solid var(--gold);
}

.page-news .series-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-news .series-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
}

.page-news .series-state {
  margin: 0;
}

.page-news .series-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .series-next {
  margin: 0;
  font-family: var(--font-index);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* ===== 04 归档与检索 ===== */
.page-news .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: var(--line);
}

.page-news .archive-path {
  display: grid;
  gap: 8px;
  align-content: start;
  padding-block: calc(var(--b) * 3);
  border-bottom: var(--line);
}

.page-news .archive-label {
  margin: 0;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-news .archive-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
}

.page-news .archive-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .archive-link {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-news .archive-figure {
  margin: calc(var(--b) * 5) 0 0;
}

.page-news .archive-figure .figure-frame {
  border: var(--line);
}

.page-news .archive-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 480px;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .archive-correction {
  margin: calc(var(--b) * 4) 0 0;
  padding-left: calc(var(--b) * 2);
  border-left: 2px solid var(--cinnabar);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ===== 平板及桌面 ===== */
@media (min-width: 600px) {
  .page-news .log-entry {
    grid-template-columns: var(--entry-col) minmax(0, 1fr);
    gap: calc(var(--b) * 2);
  }
}

@media (min-width: 720px) {
  .page-news .upd-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .log-section .section-head {
    grid-template-columns: 56px minmax(0, 1fr) minmax(0, 300px);
    align-items: baseline;
    gap: calc(var(--b) * 2);
  }
}

@media (min-width: 780px) {
  .page-news .archive-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .archive-path {
    padding: calc(var(--b) * 3) calc(var(--b) * 3) calc(var(--b) * 3) 0;
    padding-right: calc(var(--b) * 3);
    border-bottom: none;
    border-right: var(--line);
  }

  .page-news .archive-path:last-child {
    padding-right: 0;
    border-right: none;
  }
}

@media (min-width: 900px) {
  .page-news .log-shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: var(--rail-gap);
  }

  .page-news .time-rail {
    position: sticky;
    top: 108px;
    padding-top: 4px;
  }

  .page-news .rail-list {
    flex-direction: column;
    align-items: stretch;
    gap: 26px;
    overflow: visible;
    position: relative;
    padding-bottom: 0;
  }

  .page-news .rail-list::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 1px;
    background: var(--surf);
  }

  .page-news .rail-item {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
  }

  .page-news .rail-tick {
    width: 100%;
  }

  .page-news .log-columns {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
    gap: calc(var(--b) * 5);
    align-items: start;
  }

  .page-news .log-figure {
    position: sticky;
    top: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-news .text-link {
    transition: none;
  }
}