.page-news {
  --news-rail-w: 248px;
  --news-sticky: 96px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 头部 ---------- */
.page-news .news-head {
  position: relative;
  overflow: hidden;
  padding: 18px 0 0;
  border-bottom: var(--hair);
  background: var(--paper);
}
.page-news .news-head::before {
  content: "";
  position: absolute;
  right: -14%;
  top: -38%;
  width: 58%;
  height: 165%;
  background: var(--ochre);
  opacity: .1;
  transform: rotate(7deg);
  pointer-events: none;
}
.page-news .news-head::after {
  content: "";
  position: absolute;
  left: -16%;
  bottom: -46%;
  width: 42%;
  height: 100%;
  background: var(--indigo);
  opacity: .08;
  transform: rotate(-7deg);
  pointer-events: none;
}
.page-news .news-head > .shell {
  position: relative;
  z-index: 1;
}
.page-news .news-head__grid {
  display: grid;
  gap: 24px;
  padding: 10px 0 32px;
}
.page-news .news-head__issue-line {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 12px 0 0;
}
.page-news .news-head__issue {
  font-family: var(--font-mono);
  font-size: 54px;
  font-weight: 600;
  line-height: .85;
  letter-spacing: -.04em;
  color: var(--ochre);
}
.page-news .news-head__title {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-size: clamp(28px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ink);
}
.page-news .news-head__lede {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}
.page-news .news-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}
.page-news .news-head__meta li {
  padding: 5px 10px;
  border: 2px solid var(--ochre-pale);
  background: var(--paper-white);
}
.page-news .news-head__meta strong {
  color: var(--indigo);
  font-weight: 600;
}
.page-news .news-head__figure {
  margin: 0;
  border: var(--hair);
  box-shadow: var(--shadow-hard);
  background: var(--paper-white);
  overflow: hidden;
}
.page-news .news-head__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 64px;
}

/* ---------- 左侧轨道 ---------- */
.page-news .news-rail {
  border: var(--hair);
  background: var(--paper-white);
  box-shadow: var(--shadow-hard);
  padding: 18px 18px 20px;
}
.page-news .news-rail__issue {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--ochre);
}
.page-news .news-rail__issue sub {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--stone);
  vertical-align: baseline;
  margin-left: 4px;
}
.page-news .news-rail__caption {
  margin: 6px 0 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}
.page-news .news-rail__block {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 2px solid var(--ochre-pale);
}
.page-news .news-rail__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--stone);
}
.page-news .news-rail__cats,
.page-news .news-rail__jump {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .news-rail__cat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink);
}
.page-news .news-rail__dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--ink);
}
.page-news .news-rail__dot--blue { background: var(--flag-blue); }
.page-news .news-rail__dot--green { background: var(--flag-green); }
.page-news .news-rail__dot--yellow { background: var(--flag-yellow); }
.page-news .news-rail__dot--red { background: var(--flag-red); }
.page-news .news-rail__jump a {
  display: block;
  padding: 5px 0 5px 12px;
  border-left: 3px solid var(--ochre-pale);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink);
  text-decoration: none;
  transition: border-color .15s var(--ease), color .15s var(--ease), padding-left .15s var(--ease);
}
.page-news .news-rail__jump a:hover,
.page-news .news-rail__jump a:focus-visible {
  border-left-color: var(--ochre);
  color: var(--ochre);
  padding-left: 16px;
}
.page-news .news-rail__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}
.page-news .news-rail__note a {
  color: var(--indigo);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 置顶公告 ---------- */
.page-news .pinned {
  position: relative;
  margin: 0 0 48px;
  padding: 28px 20px 24px;
  background: var(--indigo);
  color: var(--paper-white);
  border: var(--hair);
  box-shadow: var(--shadow-hard);
}
.page-news .pinned__flag {
  position: absolute;
  top: -14px;
  right: 18px;
  padding: 4px 12px;
  background: var(--flag-yellow);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(-3deg);
}
.page-news .pinned__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--flag-yellow);
}
.page-news .pinned__title {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-size: clamp(23px, 4.4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper-white);
}
.page-news .pinned__text {
  margin: 0 0 12px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ochre-pale);
}
.page-news .pinned__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.page-news .pinned__link {
  display: inline-block;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--paper-white);
  text-decoration: none;
  border: 2px solid var(--paper-white);
  transition: background-color .15s var(--ease), color .15s var(--ease), translate .15s var(--ease);
}
.page-news .pinned__link:hover,
.page-news .pinned__link:focus-visible {
  background: var(--paper-white);
  color: var(--indigo);
  translate: 2px 2px;
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  margin: 0 0 56px;
}
.page-news .news-section:last-child {
  margin-bottom: 0;
}
.page-news .news-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}
.page-news .news-section__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-news .news-section__lede {
  margin: 0 0 18px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 分类筛选 ---------- */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}
.page-news .news-filter__btn {
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--paper-white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .15s var(--ease), color .15s var(--ease), translate .15s var(--ease);
}
.page-news .news-filter__btn:hover {
  background: var(--ochre-pale);
}
.page-news .news-filter__btn[aria-pressed="true"] {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--paper-white);
}
.page-news .news-filter__btn:focus-visible {
  outline: 2px solid var(--flag-yellow);
  outline-offset: 2px;
}

/* ---------- 更新列表 ---------- */
.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ink);
}
.page-news .news-list > li {
  border-bottom: 2px solid var(--ochre-pale);
}
.page-news .news-item__summary {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  grid-template-areas:
    "dot time"
    ". title"
    ". tag";
  gap: 4px 12px;
  padding: 14px 10px 14px 2px;
  cursor: pointer;
  list-style: none;
  transition: background-color .15s var(--ease);
}
.page-news .news-item__summary::-webkit-details-marker { display: none; }
.page-news .news-item__summary::marker { content: ""; }
.page-news .news-item__summary:hover {
  background: var(--ochre-pale);
}
.page-news .news-item__summary:focus-visible {
  outline: 2px solid var(--flag-yellow);
  outline-offset: -2px;
}
.page-news .news-item__dot {
  grid-area: dot;
  align-self: center;
  justify-self: center;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ochre);
  border: 2px solid var(--ink);
  transition: background-color .15s var(--ease);
}
.page-news .news-item__time {
  grid-area: time;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--stone);
}
.page-news .news-item__title {
  grid-area: title;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink);
}
.page-news .news-item__summary > .news-tag {
  grid-area: tag;
  justify-self: start;
}
.page-news .news-item[open] .news-item__dot {
  background: var(--flag-red);
}
.page-news .news-item__body {
  margin: 0 12px 16px 26px;
  padding-left: 14px;
  border-left: 3px solid var(--ochre);
}
.page-news .news-item__body p {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 状态标签 ---------- */
.page-news .news-tag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  line-height: 1.6;
  white-space: nowrap;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
}
.page-news .news-tag--version {
  background: var(--flag-blue);
  border-color: var(--flag-blue);
  color: var(--paper-white);
}
.page-news .news-tag--toc {
  background: var(--flag-green);
  border-color: var(--flag-green);
  color: var(--paper-white);
}
.page-news .news-tag--perf {
  background: var(--flag-yellow);
  border-color: var(--ink);
  color: var(--ink);
}
.page-news .news-tag--notice {
  background: var(--flag-red);
  border-color: var(--flag-red);
  color: var(--paper-white);
}

/* ---------- 版本铭牌 ---------- */
.page-news .version-plate {
  display: grid;
  gap: 22px;
}
.page-news .version-plate__main {
  border: var(--hair);
  background: var(--paper-white);
  box-shadow: var(--shadow-soft);
  padding: 22px 20px;
}
.page-news .version-plate__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(38px, 8vw, 58px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--ochre);
}
.page-news .version-plate__caption {
  margin: 8px 0 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--stone);
}
.page-news .version-plate__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .version-plate__item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 2px solid var(--ochre-pale);
}
.page-news .version-plate__key {
  justify-self: start;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--indigo);
  border-bottom: 2px solid var(--flag-yellow);
}
.page-news .version-plate__desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}
.page-news .version-plate__figure {
  margin: 0;
  border: var(--hair);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  background: var(--paper-white);
}

/* ---------- 栏目调整 ---------- */
.page-news .col-groups {
  display: grid;
  gap: 14px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}
.page-news .col-group {
  border: var(--hair);
  border-left-width: 8px;
  background: var(--paper-white);
  padding: 14px 16px 16px;
}
.page-news .col-group--blue { border-left-color: var(--flag-blue); }
.page-news .col-group--green { border-left-color: var(--flag-green); }
.page-news .col-group--yellow { border-left-color: var(--flag-yellow); }
.page-news .col-group__name {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}
.page-news .col-group__desc {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink);
}
.page-news .col-group__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--stone);
}
.page-news .col-changes {
  display: grid;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}
.page-news .col-changes li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ochre-pale);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}
.page-news .col-changes__tag {
  flex: none;
  padding: 2px 8px;
  background: var(--ink);
  color: var(--paper-white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}
.page-news .col-figure {
  margin: 0;
  border: var(--hair);
  background: var(--paper-white);
  overflow: hidden;
}

/* ---------- 收藏与回访 ---------- */
.page-news .recall {
  display: grid;
  gap: 22px;
}
.page-news .recall__figure {
  margin: 0;
  border: var(--hair);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  background: var(--paper-white);
}
.page-news .recall__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}
.page-news .recall__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 图片统一 ---------- */
.page-news .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .version-plate__item {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-news .news-item__summary {
    grid-template-columns: 12px 200px minmax(0, 1fr) auto;
    grid-template-areas: "dot time title tag";
    align-items: center;
    gap: 16px;
    padding: 16px 14px 16px 6px;
  }
  .page-news .news-item__body {
    margin-left: 30px;
  }
  .page-news .col-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 860px) {
  .page-news .recall {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 30px;
  }
  .page-news .version-plate {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-news .news-head__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: 40px;
    padding: 26px 0 44px;
  }
  .page-news .news-head__issue {
    font-size: 84px;
  }
  .page-news .pinned {
    padding: 32px 28px 28px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 48px;
    padding-top: 52px;
  }
  .page-news .news-rail {
    position: sticky;
    top: var(--news-sticky);
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
  }
}
<<<END>>>