.page-news {
  --news-rail: 240px;
  --news-gap: clamp(18px, 2.6vw, 40px);
  --news-sticky-top: 96px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: clip;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  margin: 0;
  font-family: var(--font-sans);
}

.page-news .breadcrumbs {
  padding-top: 14px;
  font-size: 13px;
}

.page-news .breadcrumb-list a {
  color: var(--blue);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-block: clamp(18px, 3.4vw, 40px) clamp(24px, 4vw, 52px);
  border-bottom: 2px solid var(--ink);
  background-image: linear-gradient(180deg, var(--paper) 0%, var(--warm) 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: clamp(64px, 14%, 180px);
  height: 6px;
  background: var(--orange);
}

.page-news .news-hero-grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-news .news-hero h1 {
  margin-top: 12px;
  font-size: clamp(1.85rem, 5.4vw, 3.4rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 20em;
}

.page-news .news-lede {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--deep);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .news-batch-board {
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
  padding: 16px 16px 18px;
}

.page-news .board-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--blue);
}

.page-news .board-batch {
  margin: 10px 0 14px;
  font-size: 17px;
  font-weight: 700;
}

.page-news .board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  border-top: 2px dashed var(--line);
  padding-top: 12px;
}

.page-news .board-list li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--deep);
}

.page-news .board-dot {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border: 2px solid var(--deep);
  border-radius: 50%;
  background: transparent;
}

.page-news .board-dot--active {
  background: var(--orange);
  border-color: var(--ink);
}

.page-news .board-dot--done {
  background: var(--jade);
  border-color: var(--jade);
}

/* ---------- 主布局 ---------- */
.page-news .news-layout {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
  padding-block: clamp(22px, 3.6vw, 44px) clamp(36px, 5vw, 72px);
}

.page-news .news-rail {
  border: 2px solid var(--ink);
  background: var(--warm);
  box-shadow: var(--shadow-soft);
  padding: 14px 14px 16px;
}

.page-news .rail-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--blue);
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: rail;
}

.page-news .rail-list a {
  position: relative;
  display: block;
  min-height: 44px;
  padding: 10px 10px 10px 32px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-news .rail-list a::before {
  counter-increment: rail;
  content: counter(rail, decimal-leading-zero);
  position: absolute;
  left: 10px;
  top: 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
}

.page-news .rail-list a:hover,
.page-news .rail-list a:focus-visible {
  border-left-color: var(--orange);
  background: var(--paper);
}

.page-news .rail-list a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.page-news .rail-note {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 2px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--deep);
}

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

.page-news .news-block {
  scroll-margin-top: 92px;
  padding-bottom: clamp(28px, 4vw, 52px);
}

.page-news .news-block + .news-block {
  border-top: 2px dashed var(--line);
  padding-top: clamp(26px, 4vw, 50px);
}

.page-news .news-block h2 {
  margin-top: 8px;
  font-size: clamp(1.45rem, 3.2vw, 2.2rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-news .block-intro {
  margin: 10px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--deep);
}

/* ---------- 图片容器 ---------- */
.page-news .news-figure {
  margin: 20px 0 24px;
  border: 2px solid var(--ink);
  background: var(--warm);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

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

.page-news .news-figure figcaption {
  padding: 9px 13px;
  border-top: 2px solid var(--ink);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--deep);
}

/* ---------- 时间线 ---------- */
.page-news .news-timeline {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  position: relative;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 14px;
  width: 2px;
  background: var(--line);
}

.page-news .tl-item {
  position: relative;
  padding: 0 0 0 38px;
  margin-bottom: 24px;
}

.page-news .tl-item:last-child {
  margin-bottom: 0;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 14px;
  height: 14px;
  border: 3px solid var(--deep);
  border-radius: 50%;
  background: var(--paper);
}

.page-news .tl-item--current::before {
  background: var(--orange);
  border-color: var(--ink);
  box-shadow: 0 0 0 4px var(--orange-soft);
}

.page-news .tl-when {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-news .tl-text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--deep);
  max-width: 38em;
}

/* ---------- 分类卡 ---------- */
.page-news .cat-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-news .cat-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-news .cat-bar {
  display: block;
  height: 6px;
  width: 52px;
}

.page-news .cat-bar--reg { background: var(--orange); }
.page-news .cat-bar--sub { background: var(--jade); }
.page-news .cat-bar--find { background: var(--blue); }
.page-news .cat-bar--ver { background: var(--deep); }

.page-news .cat-card h3 {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.5;
}

.page-news .cat-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--deep);
}

/* ---------- 公告条目 ---------- */
.page-news .announce-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .announce {
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-news .announce > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  min-height: 44px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .announce > summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.page-news .announce[open] > summary {
  background: var(--jade-soft);
  border-bottom: 2px solid var(--ink);
}

.page-news .announce-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-news .announce-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.005em;
}

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

.page-news .announce-when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--blue);
}

.page-news .cat-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.6;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  white-space: nowrap;
}

.page-news .cat-tag--reg {
  background: var(--orange-soft);
  border-color: var(--ink);
}

.page-news .cat-tag--sub {
  background: var(--jade-soft);
  border-color: var(--jade);
}

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

.page-news .cat-tag--ver {
  background: var(--warm);
  border-color: var(--line);
}

.page-news .announce-toggle {
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 2px solid var(--ink);
  background: var(--paper);
  font-weight: 900;
  font-size: 15px;
  line-height: 1;
  transition: background-color 0.18s ease;
}

.page-news .announce-toggle::before {
  content: "+";
}

.page-news .announce[open] .announce-toggle {
  background: var(--orange);
}

.page-news .announce[open] .announce-toggle::before {
  content: "−";
}

.page-news .announce-body {
  display: grid;
  gap: 12px;
  padding: 15px 16px 18px;
}

.page-news .announce-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--deep);
  max-width: 38em;
}

.page-news .announce-facts {
  margin: 0;
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 2px dashed var(--line);
}

.page-news .announce-facts > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  line-height: 1.7;
}

.page-news .announce-facts dt {
  font-family: var(--font-mono);
  color: var(--blue);
  min-width: 64px;
}

.page-news .announce-facts dd {
  margin: 0;
  color: var(--ink);
}

/* ---------- 订阅 ---------- */
.page-news .subscribe-grid {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .cadence-item {
  padding: 13px 15px;
  border-left: 5px solid var(--orange);
  background: var(--warm);
}

.page-news .cadence-item--quarter {
  border-left-color: var(--jade);
}

.page-news .cadence-when {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-news .cadence-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .subscribe-note {
  margin-top: 18px;
  padding: 16px;
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-news .subscribe-note h3 {
  font-size: 15.5px;
  font-weight: 800;
  margin-bottom: 8px;
}

.page-news .subscribe-note p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--deep);
  max-width: 34em;
}

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

/* ---------- 归档 ---------- */
.page-news .archive-grid {
  display: grid;
  gap: 14px;
}

.page-news .archive-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 15px;
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-news .archive-card--current {
  background: var(--orange-soft);
}

.page-news .archive-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--deep);
}

.page-news .archive-state {
  margin: 0;
  padding-top: 9px;
  border-top: 2px dashed rgba(11, 20, 32, 0.28);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--deep);
}

.page-news .archive-tail {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--deep);
}

.page-news .archive-tail a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 检索与反馈 ---------- */
.page-news .search-grid {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-news .search-grid .news-figure {
  margin: 0;
}

.page-news .search-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .search-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--deep);
}

.page-news .search-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--orange);
}

.page-news .search-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-news .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .archive-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .archive-card:nth-child(2) {
    transform: translateY(16px);
  }
}

@media (min-width: 840px) {
  .page-news .subscribe-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    gap: 32px;
    align-items: start;
  }

  .page-news .search-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 330px);
    gap: 40px;
  }

  .page-news .announce-list > li:nth-child(3n + 2) {
    margin-left: 22px;
  }

  .page-news .announce-list > li:nth-child(3n) {
    margin-right: 22px;
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 48px);
  }

  .page-news .news-rail {
    position: sticky;
    top: var(--news-sticky-top);
  }
}

@media (min-width: 1080px) {
  .page-news .cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-list a,
  .page-news .announce-toggle {
    transition: none;
  }

  .page-news .archive-card:nth-child(2) {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>