.page-news {
  --news-spine-w: 92px;
  --news-rule: rgba(217, 199, 167, .75);
  --news-quiet: #4A5560;
}

.page-news .news-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
  padding-block: clamp(28px, 5vw, 64px) clamp(32px, 5vw, 68px);
  border-bottom: 1px solid var(--news-rule);
}

.page-news .hero-title-row {
  display: flex;
  align-items: flex-start;
  gap: clamp(10px, 1.6vw, 20px);
  margin-block: .2rem .9rem;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 10vw, 86px);
  line-height: 1;
  letter-spacing: .06em;
  margin: 0;
  color: var(--ink-900);
}

.page-news .hero-title-row .title-note {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .34em;
  color: var(--slate-500);
  padding-top: .35em;
  border-left: 1px solid var(--news-rule);
  padding-left: .55em;
  white-space: nowrap;
}

.page-news .news-hero .lede {
  max-width: 46ch;
  margin: 0 0 1.5rem;
}

.page-news .hero-meta {
  display: grid;
  gap: .45rem;
  max-width: 420px;
  padding-top: 1rem;
  border-top: 1px solid var(--news-rule);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-news .meta-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0;
  color: var(--slate-500);
}

.page-news .meta-line strong {
  color: var(--ink-800);
  font-weight: 500;
}

.page-news .hero-art,
.page-news .lead-art,
.page-news .version-art,
.page-news .archive-art {
  margin: 0;
  overflow: hidden;
}

.page-news .hero-art {
  aspect-ratio: 16 / 9;
  align-self: start;
}

.page-news .hero-art img,
.page-news .lead-art img,
.page-news .version-art img,
.page-news .archive-art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .hero-art img {
  height: 100%;
}

.page-news .image-caption {
  margin: .55rem 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--slate-500);
}

.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 44px);
  padding-top: clamp(24px, 4vw, 52px);
}

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

/* 书脊式栏目导航 */
.page-news .news-spine {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: .35rem;
  overflow-x: auto;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--news-rule);
  scrollbar-width: thin;
}

.page-news .spine-caption {
  flex: none;
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--amber);
  padding-right: .5rem;
  border-right: 1px solid var(--news-rule);
  margin-right: .25rem;
}

.page-news .spine-link {
  flex: none;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink-800);
  text-decoration: none;
  padding: .3rem .6rem;
  border: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-news .spine-link:hover,
.page-news .spine-link:focus-visible {
  color: var(--ink-950);
  border-color: var(--sand);
  background: var(--paper-warm);
  outline: none;
}

/* 章节 */
.page-news .news-section {
  padding-block: clamp(30px, 4.5vw, 56px);
  border-top: 1px solid var(--news-rule);
}

.page-news .news-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .section-head {
  margin-bottom: clamp(18px, 2.4vw, 30px);
}

.page-news .section-head .section-title {
  margin: .35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.25;
  letter-spacing: .02em;
  color: var(--ink-900);
}

.page-news .section-lede {
  max-width: 54ch;
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-quiet);
}

.page-news .section-foot {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
}

.page-news .text-link {
  font-size: 14px;
  color: var(--rust);
  text-decoration: none;
  border-bottom: 1px solid rgba(156, 61, 46, .38);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

.page-news .text-link:hover,
.page-news .text-link:focus-visible {
  color: var(--ink-900);
  border-color: var(--amber);
  outline: none;
}

/* 头条 */
.page-news .lead-story {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 32px);
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-news .lead-copy h3,
.page-news .lead-story--text h3 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.35;
  letter-spacing: .01em;
  margin: .35rem 0 .7rem;
  color: var(--ink-900);
}

.page-news .lead-copy p,
.page-news .lead-story--text p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-quiet);
  margin: 0 0 .85rem;
}

.page-news .lead-story--text {
  border-left: 3px solid var(--amber);
  padding-left: clamp(14px, 2vw, 22px);
  margin-bottom: 0;
}

/* 条目元信息 */
.page-news .entry-top {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin: 0;
  font-size: 11px;
  letter-spacing: .06em;
}

.page-news .entry-cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-decoration: none;
  padding: 2px 8px;
  border: 1px solid currentColor;
  transition: background-color .2s ease, color .2s ease;
}

.page-news .entry-cat--version { color: var(--amber); }
.page-news .entry-cat--how { color: var(--ink-800); }
.page-news .entry-cat--region { color: var(--rust); }
.page-news .entry-cat--topic { color: var(--slate-500); }

.page-news .entry-cat:hover,
.page-news .entry-cat:focus-visible {
  background: currentColor;
  outline: none;
}

.page-news .entry-cat:hover span,
.page-news .entry-cat:focus-visible span {
  color: var(--paper);
}

.page-news .entry-time {
  color: var(--slate-500);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

/* 目录 */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-news .entry {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: .6rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--news-rule);
  transition: background-color .22s ease;
}

.page-news .entry:last-child {
  border-bottom: 1px solid var(--news-rule);
}

.page-news .entry-no {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sand);
  padding-top: .18rem;
}

.page-news .entry-main {
  min-width: 0;
}

.page-news .entry-title {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.45;
  margin: .3rem 0 0;
  color: var(--ink-900);
}

.page-news .entry-note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-quiet);
  margin: .35rem 0 0;
}

/* 版本变化 */
.page-news .version-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

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

.page-news .note-item {
  padding: 0 0 1.05rem;
  margin-bottom: 1.05rem;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .note-item:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-news .note-head {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-news .note-head .num {
  flex: none;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-news .note-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--news-quiet);
}

/* 使用观察 */
.page-news .obs-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-news .obs-item {
  padding: 1.2rem 0 1.3rem;
  border-top: 1px solid var(--news-rule);
}

.page-news .obs-item:first-child {
  border-top: 1px solid var(--ink-800);
}

.page-news .obs-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 23px);
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 .5rem;
  color: var(--ink-900);
}

.page-news .obs-item p {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-quiet);
}

/* 辽宁笔记 */
.page-news .city-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-news .city-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .2rem;
  padding: .85rem 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .city-name {
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--amber);
  font-weight: 500;
}

.page-news .city-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-quiet);
}

/* 归档 */
.page-news .archive-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .archive-copy p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-quiet);
  margin: 0 0 1rem;
}

.page-news .archive-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: 0;
  padding: 0;
}

.page-news .archive-tags .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  padding: 3px 10px;
  border: 1px solid var(--sand);
  color: var(--ink-800);
}

.page-news .archive-tags .tag--amber {
  border-color: var(--amber);
  color: var(--amber);
}

.page-news .archive-group {
  border-top: 1px solid var(--ink-800);
}

.page-news .archive-group summary {
  cursor: pointer;
  list-style: none;
  padding: .85rem 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink-900);
  display: flex;
  align-items: center;
  gap: .6rem;
  transition: color .2s ease;
}

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

.page-news .archive-group summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
  width: 1em;
}

.page-news .archive-group[open] summary::before {
  content: "−";
}

.page-news .archive-group summary:hover,
.page-news .archive-group summary:focus-visible {
  color: var(--rust);
  outline: none;
}

.page-news .archive-list {
  list-style: none;
  margin: 0 0 .4rem;
  padding: 0 0 .6rem;
}

.page-news .archive-entry {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .55rem;
  padding: .5rem 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .archive-title {
  flex: 1 1 12rem;
  min-width: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-800);
}

.page-news .archive-time {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--slate-500);
}

/* 下一步 */
.page-news .next-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .next-item {
  border-top: 1px solid var(--news-rule);
}

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

.page-news .next-link {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr) auto;
  grid-template-areas:
    "no title arrow"
    "no desc arrow";
  align-items: center;
  gap: .15rem .75rem;
  padding: 1rem 0;
  text-decoration: none;
  transition: background-color .22s ease, padding-inline .22s ease;
}

.page-news .next-no {
  grid-area: no;
  align-self: start;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sand);
  padding-top: .2rem;
}

.page-news .next-title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .next-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.7;
  color: var(--news-quiet);
}

.page-news .next-arrow {
  grid-area: arrow;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--amber);
  transition: transform .22s ease;
}

.page-news .next-link:hover,
.page-news .next-link:focus-visible {
  background: var(--paper-warm);
  padding-inline: .6rem;
  outline: none;
}

.page-news .next-link:hover .next-arrow,
.page-news .next-link:focus-visible .next-arrow {
  transform: translateX(4px);
}

/* 桌面端：书脊竖排 + 条目悬停展开摘要 */
@media (min-width: 901px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-news .news-body {
    grid-template-columns: var(--news-spine-w) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 44px);
  }

  .page-news .news-spine {
    position: sticky;
    top: calc(var(--frame-h) + 20px);
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: .1rem;
    overflow: visible;
    border-bottom: 0;
    border-left: 2px solid var(--sand);
    padding: 0 0 0 .55rem;
  }

  .page-news .spine-caption {
    border-right: 0;
    padding: 0 0 .6rem;
    margin: 0;
  }

  .page-news .spine-link {
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: .22em;
    padding: .45rem .25rem;
    color: var(--slate-500);
    border: 1px solid transparent;
    border-radius: 1px;
  }

  .page-news .spine-link:hover,
  .page-news .spine-link:focus-visible {
    color: var(--ink-900);
    border-color: var(--sand);
  }

  .page-news .lead-story {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .version-split,
  .page-news .archive-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .city-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-news .city-item {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0 .8rem;
  }

  .page-news .entry {
    grid-template-columns: 3.2rem minmax(0, 1fr);
    gap: 1rem;
    padding: 1.15rem .75rem 1.15rem 0;
  }

  .page-news .next-link {
    grid-template-columns: 2.4rem minmax(0, 8rem) minmax(0, 1fr) auto;
    grid-template-areas: "no title desc arrow";
    gap: 1rem;
    padding: 1.15rem .6rem;
  }
}

@media (min-width: 901px) and (hover: hover) {
  .page-news .entry-note {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height .28s ease, opacity .24s ease, margin-top .24s ease;
  }

  .page-news .entry:hover .entry-note,
  .page-news .entry:focus-within .entry-note {
    max-height: 5.5rem;
    opacity: 1;
    margin-top: .4rem;
  }

  .page-news .entry:hover,
  .page-news .entry:focus-within {
    background: rgba(234, 223, 203, .48);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry-note,
  .page-news .next-link,
  .page-news .next-arrow,
  .page-news .spine-link,
  .page-news .entry-cat {
    transition: none;
  }
}
<<<END>>>