.page-news {
  --pn-gap: clamp(1rem, 2.4vw, 1.75rem);
  --pn-pad-block: clamp(3rem, 6.5vw, 5.5rem);
  --pn-line: rgba(201, 162, 39, .42);
  --pn-line-soft: rgba(201, 162, 39, .22);
  background: var(--ivory-050);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-news .section {
  padding-block: var(--pn-pad-block);
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .eyebrow {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--gold-500);
  text-transform: uppercase;
}

.page-news .figure-caption {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--graphite-600);
}

/* ---------- 面包屑 ---------- */
.page-news .news-top {
  padding: 1.1rem 0 0;
}

.page-news .news-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--graphite-600);
}

.page-news .news-crumb li {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}

.page-news .news-crumb li + li::before {
  content: "/";
  color: var(--gold-500);
}

.page-news .news-crumb a {
  color: var(--graphite-600);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .news-crumb a:hover,
.page-news .news-crumb a:focus-visible {
  color: var(--green-900);
  border-bottom-color: var(--gold-500);
}

/* ---------- 首屏 ---------- */
.page-news .news-lead {
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.5rem, 5vw, 4rem);
}

.page-news .lead-grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-news .lead-copy h1 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: .02em;
  line-height: 1.14;
  color: var(--ink-900);
}

.page-news .lead-copy .lede {
  max-width: 34ch;
  margin: 0;
  color: var(--graphite-600);
  font-size: var(--fs-17);
  line-height: 1.8;
}

.page-news .lead-meta {
  border-left: 2px solid var(--gold-500);
  padding-left: 1.1rem;
}

.page-news .lead-meta dl {
  margin: 0;
  display: grid;
  gap: .9rem;
}

.page-news .lead-meta dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--graphite-600);
}

.page-news .lead-meta dd {
  margin: .2rem 0 0;
  font-size: var(--fs-15);
  color: var(--ink-900);
  line-height: 1.6;
}

.page-news .lead-meta .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--gold-500);
}

.page-news .news-banner {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  border-top: 1px solid var(--pn-line);
  padding-top: .75rem;
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  object-position: center 40%;
}

.page-news .news-banner .figure-caption {
  margin: .7rem 0 0;
}

/* ---------- 章节头 ---------- */
.page-news .sect-head {
  max-width: 62ch;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}

.page-news .sect-head h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: .02em;
  line-height: 1.2;
  color: var(--ink-900);
}

.page-news .sect-head .prose,
.page-news .sect-head .lede {
  margin: 0;
  max-width: 38ch;
  color: var(--graphite-600);
  font-size: var(--fs-15);
  line-height: 1.8;
}

.page-news .sect-head--dark h2 {
  color: var(--ivory-050);
}

.page-news .sect-head--dark .lede {
  color: rgba(247, 242, 231, .78);
}

/* ---------- 本期更新 ---------- */
.page-news .news-now {
  background: var(--ivory-050);
}

.page-news .now-grid {
  display: grid;
  gap: var(--pn-gap);
}

.page-news .now-card {
  position: relative;
  padding: 1.5rem 1.35rem 1.35rem 1.4rem;
  background: #fff;
  border: 1px solid var(--pn-line-soft);
  border-left: 3px solid var(--gold-500);
}

.page-news .now-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-12);
  letter-spacing: .2em;
  color: var(--gold-500);
}

.page-news .now-card h3 {
  margin: .7rem 0 .7rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-24);
  line-height: 1.35;
  color: var(--ink-900);
}

.page-news .now-card p {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--graphite-600);
}

.page-news .now-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin-top: 1.1rem !important;
  padding-top: .9rem;
  border-top: 1px solid var(--pn-line-soft);
}

.page-news .now-when {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--graphite-600);
}

/* ---------- 版本对照 ---------- */
.page-news .news-diff {
  background: var(--green-900);
  color: var(--ivory-050);
}

.page-news .diff-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

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

.page-news .diff-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(201, 162, 39, .3);
}

.page-news .diff-figure .figure-caption {
  margin: .7rem 0 0;
  color: rgba(247, 242, 231, .6);
}

.page-news .diff-head {
  display: none;
  padding-bottom: .7rem;
  border-bottom: 1px solid rgba(201, 162, 39, .45);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: rgba(230, 205, 139, .85);
}

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

.page-news .diff-row {
  display: grid;
  gap: .5rem;
  padding: .95rem 0;
  border-bottom: 1px solid rgba(201, 162, 39, .22);
}

.page-news .diff-old,
.page-news .diff-new {
  position: relative;
  display: flex;
  gap: .6rem;
  font-size: var(--fs-15);
  line-height: 1.7;
}

.page-news .diff-old {
  color: rgba(247, 242, 231, .5);
}

.page-news .diff-new {
  color: var(--ivory-050);
  padding-left: .9rem;
  border-left: 2px solid var(--gold-500);
}

.page-news .diff-old::before,
.page-news .diff-new::before {
  content: "上一版";
  flex: 0 0 auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: rgba(230, 205, 139, .55);
}

.page-news .diff-new::before {
  content: "当前版";
  color: var(--gold-300);
}

.page-news .diff-k {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--gold-500);
  padding-top: .2em;
}

.page-news .diff-text {
  min-width: 0;
}

/* ---------- 日志分类 ---------- */
.page-news .news-taxonomy {
  background: var(--ivory-100);
}

.page-news .tax-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--pn-line-soft);
  border: 1px solid var(--pn-line-soft);
}

.page-news .tax-item {
  background: var(--ivory-050);
  padding: 1.4rem 1.25rem 1.5rem;
}

.page-news .tax-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-12);
  letter-spacing: .2em;
  color: var(--gold-500);
}

.page-news .tax-item h3 {
  margin: .65rem 0 .55rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-24);
  line-height: 1.3;
  color: var(--ink-900);
}

.page-news .tax-item p {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--graphite-600);
}

/* ---------- 条目流 ---------- */
.page-news .news-stream {
  background: var(--ivory-050);
}

.page-news .stream-wrap {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
}

.page-news .jcat-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.page-news .jcat-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.25rem;
}

.page-news .jcat {
  display: inline-block;
  padding: .42rem .85rem;
  border: 1px solid var(--pn-line-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--graphite-600);
  cursor: pointer;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-news .jcat:hover {
  border-color: var(--gold-500);
  color: var(--green-900);
}

.page-news .jcat-input:focus-visible + .jcat-input + .jcat-input + .jcat-input + .jcat-input + .jcat-input + .jcat-bar .jcat {
  outline: 1px solid var(--gold-500);
}

.page-news #jcat-all:checked ~ .jcat-bar .jcat[for="jcat-all"],
.page-news #jcat-notice:checked ~ .jcat-bar .jcat[for="jcat-notice"],
.page-news #jcat-diff:checked ~ .jcat-bar .jcat[for="jcat-diff"],
.page-news #jcat-rule:checked ~ .jcat-bar .jcat[for="jcat-rule"],
.page-news #jcat-sub:checked ~ .jcat-bar .jcat[for="jcat-sub"],
.page-news #jcat-event:checked ~ .jcat-bar .jcat[for="jcat-event"] {
  background: var(--green-900);
  border-color: var(--green-900);
  color: var(--ivory-050);
}

.page-news #jcat-notice:checked ~ .entry-list .entry:not(.entry--notice),
.page-news #jcat-diff:checked ~ .entry-list .entry:not(.entry--diff),
.page-news #jcat-rule:checked ~ .entry-list .entry:not(.entry--rule),
.page-news #jcat-sub:checked ~ .entry-list .entry:not(.entry--sub),
.page-news #jcat-event:checked ~ .entry-list .entry:not(.entry--event) {
  display: none;
}

.page-news .entry-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pn-line-soft);
}

.page-news .entry {
  border-bottom: 1px solid var(--pn-line-soft);
}

.page-news .entry-details > summary {
  list-style: none;
  cursor: pointer;
}

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

.page-news .entry-sum {
  display: grid;
  grid-template-columns: 1fr 1.4rem;
  gap: .4rem .9rem;
  padding: 1.15rem 0;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  grid-column: 1 / -1;
}

.page-news .entry-when {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--graphite-600);
}

.page-news .entry-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-17);
  line-height: 1.55;
  color: var(--ink-900);
}

.page-news .entry-plus {
  position: relative;
  width: 1.4rem;
  height: 1.4rem;
  align-self: center;
  border: 1px solid var(--pn-line-soft);
}

.page-news .entry-plus::before,
.page-news .entry-plus::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--gold-500);
  transform: translate(-50%, -50%);
}

.page-news .entry-plus::before {
  width: .65rem;
  height: 1px;
}

.page-news .entry-plus::after {
  width: 1px;
  height: .65rem;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

.page-news .entry-details[open] .entry-plus::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-news .entry-details[open] .entry-plus {
  border-color: var(--gold-500);
}

.page-news .entry-sum:hover .entry-title {
  color: var(--green-700);
}

.page-news .entry-body {
  padding: 0 0 1.35rem;
}

.page-news .entry-body p {
  margin: 0;
  max-width: 38ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--graphite-600);
}

/* ---------- 侧栏 ---------- */
.page-news .stream-side {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

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

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

.page-news .side-figure .figure-caption {
  margin: .6rem 0 0;
}

.page-news .side-note {
  padding: 1.25rem 1.15rem 1.4rem;
  background: var(--ivory-100);
  border-top: 2px solid var(--gold-500);
}

.page-news .side-note p {
  margin: 0 0 1rem;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--graphite-600);
}

.page-news .side-note .btn {
  display: inline-block;
  padding: .55rem 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  text-decoration: none;
}

/* ---------- 版本档案库 ---------- */
.page-news .news-archive {
  background: var(--green-700);
  color: var(--ivory-050);
}

.page-news .archive-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-news .archive-copy h2 {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: .02em;
  line-height: 1.22;
  color: var(--ivory-050);
}

.page-news .archive-copy .prose {
  margin: 0 0 1.75rem;
  max-width: 36ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: rgba(247, 242, 231, .78);
}

.page-news .archive-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(201, 162, 39, .28);
  border: 1px solid rgba(201, 162, 39, .28);
}

.page-news .archive-stats > div {
  background: var(--green-700);
  padding: .9rem 1rem 1rem;
}

.page-news .archive-stats dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: rgba(230, 205, 139, .8);
}

.page-news .archive-stats dd {
  margin: .35rem 0 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-24);
  line-height: 1.2;
  color: var(--ivory-050);
}

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

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

.page-news .archive-figure .figure-caption {
  margin: .7rem 0 0;
  color: rgba(247, 242, 231, .6);
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  background: var(--ivory-050);
}

.page-news .next-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--pn-line-soft);
  border-top: 1px solid var(--pn-line);
}

.page-news .next-item {
  background: var(--ivory-050);
}

.page-news .next-link {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: .2rem .9rem;
  padding: 1.1rem .25rem;
  text-decoration: none;
  color: inherit;
  transition: background-color .18s var(--ease);
}

.page-news .next-num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-13);
  letter-spacing: .1em;
  color: var(--gold-500);
  padding-top: .2em;
}

.page-news .next-name {
  font-family: var(--font-display);
  font-size: var(--fs-24);
  line-height: 1.3;
  color: var(--ink-900);
}

.page-news .next-note {
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--graphite-600);
}

.page-news .next-link:hover {
  background: var(--ivory-100);
}

.page-news .next-link:hover .next-name {
  color: var(--green-700);
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 860px) {
  .page-news .lead-grid {
    grid-template-columns: minmax(0, 1fr) minmax(15rem, 19rem);
    align-items: end;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-news .now-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .now-card:nth-child(2) {
    margin-top: 2.25rem;
  }

  .page-news .now-card:nth-child(3) {
    margin-top: .9rem;
  }

  .page-news .diff-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3rem);
  }

  .page-news .diff-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.5rem;
  }

  .page-news .diff-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
    padding: 1rem 0;
  }

  .page-news .diff-old::before,
  .page-news .diff-new::before {
    display: none;
  }

  .page-news .diff-new {
    padding-left: 1.1rem;
  }

  .page-news .tax-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .tax-item {
    grid-column: span 2;
  }

  .page-news .tax-item:nth-child(4),
  .page-news .tax-item:nth-child(5) {
    grid-column: span 3;
  }

  .page-news .stream-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(15rem, 19rem);
    align-items: start;
  }

  .page-news .stream-side {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-news .entry-sum {
    grid-template-columns: 13rem minmax(0, 1fr) 1.4rem;
    align-items: center;
    column-gap: 1.5rem;
    padding: 1.25rem 0;
  }

  .page-news .entry-meta {
    grid-column: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: .4rem;
  }

  .page-news .entry-title {
    font-size: var(--fs-24);
    line-height: 1.4;
  }

  .page-news .archive-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

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

  .page-news .next-link {
    padding: 1.35rem 1.25rem;
  }
}

@media (min-width: 1180px) {
  .page-news .lead-copy h1 {
    max-width: 16ch;
  }

  .page-news .next-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .next-link {
    grid-template-columns: 1fr;
    gap: .45rem;
  }

  .page-news .next-num {
    grid-row: auto;
  }

  .page-news .next-name {
    font-size: var(--fs-24);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .jcat,
  .page-news .next-link,
  .page-news .entry-plus::after {
    transition: none;
  }
}
<<<END>>>