.page-news {
  background: var(--paper);
  color: var(--ink);
}

.page-news .news-hero {
  display: grid;
  gap: 1.75rem;
  padding: clamp(1.4rem, 4vw, 2.2rem) 0 clamp(1.8rem, 4.5vw, 3rem);
  border-bottom: 1px solid var(--line-strong);
}

.page-news .news-hero-mark {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.9rem;
  border-top: 2px solid var(--copper);
}

.page-news .news-hero-issue {
  margin: 0;
  font-size: clamp(2.6rem, 8.5vw, 4.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink-navy);
}

.page-news .news-hero-issue-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--deep-teal);
}

.page-news .news-hero-copy h1 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.6vw, 3rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--ink-navy);
  max-width: 17em;
}

.page-news .news-hero-copy .lede {
  max-width: 34em;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}

@media (min-width: 52rem) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
    align-items: start;
    gap: clamp(1.6rem, 4vw, 3.4rem);
  }
}

/* 本期摘要 */
.page-news .news-digest {
  padding: clamp(1.9rem, 4.5vw, 3.2rem) 0;
}

.page-news .digest-head {
  margin-bottom: 1.3rem;
}

.page-news .digest-head h2 {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 800;
  color: var(--ink-navy);
}

.page-news .digest-grid {
  display: grid;
  gap: 1.3rem;
}

@media (min-width: 52rem) {
  .page-news .digest-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

.page-news .digest-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: var(--ink-navy);
  color: var(--paper-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-plate);
}

.page-news .digest-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--copper), var(--copper-light));
}

.page-news .digest-version-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
}

.page-news .digest-version {
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--copper-light);
}

.page-news .digest-panel .copy-btn {
  padding: 0.3rem 0.8rem;
  font-size: 0.76rem;
  color: var(--copper-light);
  background: transparent;
  border: 1px solid var(--line-on-dark);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-news .digest-panel .copy-btn:hover {
  border-color: var(--copper);
  color: var(--paper-white);
}

.page-news .digest-panel .copy-btn:focus-visible {
  outline: 2px solid var(--copper-light);
  outline-offset: 2px;
}

.page-news .digest-version-note {
  margin: 0.7rem 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: rgba(251, 247, 240, 0.72);
}

.page-news .digest-list {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-news .digest-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(251, 247, 240, 0.88);
}

.page-news .digest-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.66rem;
  height: 2px;
  background: var(--copper);
}

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

/* 笔记目录 */
.page-news .news-index {
  padding: clamp(1.9rem, 4.5vw, 3.4rem) 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .news-index-head {
  max-width: 34em;
  margin-bottom: 1.6rem;
}

.page-news .news-index-head h2 {
  margin: 0.45rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 800;
  color: var(--ink-navy);
}

.page-news .news-index-head p {
  margin: 0;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .notes-layout {
  display: grid;
  gap: 1.4rem;
}

.page-news .rail-inner {
  padding: 1rem 1rem 1.1rem;
  background: var(--paper-white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-plate);
}

.page-news .rail-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--deep-teal);
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-news .rail-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.45rem 0.4rem;
  font-size: 0.92rem;
  color: var(--ink-navy);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-news .rail-link:hover {
  border-left-color: var(--copper);
  background: rgba(183, 132, 59, 0.1);
}

.page-news .rail-link:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-news .rail-count {
  font-size: 0.76rem;
  color: var(--celadon-ink);
}

.page-news .rail-note {
  margin: 0.9rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--deep-teal);
}

@media (min-width: 56rem) {
  .page-news .notes-layout {
    grid-template-columns: minmax(0, 13rem) minmax(0, 1fr);
    gap: clamp(1.6rem, 4vw, 3rem);
    align-items: start;
  }

  .page-news .rail-inner {
    position: sticky;
    top: 1.5rem;
  }
}

.page-news .notes-stream {
  display: grid;
  gap: 1.6rem;
  min-width: 0;
}

.page-news .notes-group {
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-strong);
  scroll-margin-top: 4rem;
}

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

.page-news .group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.page-news .group-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink-navy);
}

.page-news .group-count {
  font-size: 0.76rem;
  color: var(--celadon-ink);
}

.page-news .note {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-news .note-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.5rem;
}

.page-news .note-time {
  padding: 0.14rem 0.52rem;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: rgba(228, 206, 158, 0.55);
  border-radius: 999px;
}

.page-news .note-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-navy);
}

.page-news .note-summary {
  margin: 0;
  max-width: 34em;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-news .note-more {
  margin-top: 0.6rem;
}

.page-news .note-more summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--celadon-ink);
  cursor: pointer;
  list-style: none;
}

.page-news .note-more summary::-webkit-details-marker {
  display: none;
}

.page-news .note-more summary::before {
  content: "+";
  font-size: 0.95rem;
  color: var(--copper);
}

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

.page-news .note-more summary:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

.page-news .note-more p {
  margin: 0.55rem 0 0;
  padding-left: 0.9rem;
  max-width: 32em;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--deep-teal);
  border-left: 2px solid var(--copper-light);
}

.page-news .note-figure {
  margin: 1.1rem 0 1.3rem;
}

/* 版本演进 */
.page-news .news-evolution {
  position: relative;
  padding: clamp(2.1rem, 5vw, 3.6rem) 0;
  background: var(--ink-navy);
  color: var(--paper-white);
  overflow: hidden;
}

.page-news .news-evolution .eyebrow {
  color: var(--copper-light);
}

.page-news .evo-head {
  max-width: 36em;
  margin-bottom: 1.5rem;
}

.page-news .evo-head h2 {
  margin: 0.45rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 800;
  color: var(--paper-white);
}

.page-news .evo-lede {
  margin: 0;
  max-width: 32em;
  line-height: 1.8;
  color: rgba(251, 247, 240, 0.78);
}

.page-news .evo-chart {
  display: block;
  width: 100%;
  max-width: 620px;
  height: auto;
  margin: 0 0 1.7rem;
}

.page-news .evo-chart .evo-bar--1 {
  fill: rgba(228, 206, 158, 0.14);
}

.page-news .evo-chart .evo-bar--2 {
  fill: rgba(228, 206, 158, 0.24);
}

.page-news .evo-chart .evo-bar--3 {
  fill: rgba(183, 132, 59, 0.55);
}

.page-news .evo-chart-labels text {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  fill: var(--copper-light);
}

.page-news .evo-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.8rem;
}

@media (min-width: 48rem) {
  .page-news .evo-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
    align-items: stretch;
  }
}

.page-news .evo-col {
  padding: 1.1rem 1.1rem 1.25rem;
  background: rgba(251, 247, 240, 0.05);
  border: 1px solid var(--line-on-dark-soft);
  border-top: 2px solid var(--copper);
  border-radius: var(--radius);
}

.page-news .evo-year {
  margin: 0 0 0.25rem;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  color: var(--copper-light);
}

.page-news .evo-col h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper-white);
}

.page-news .evo-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-size: 0.87rem;
  line-height: 1.68;
  color: rgba(251, 247, 240, 0.78);
}

.page-news .evo-col li {
  position: relative;
  padding-left: 0.9rem;
}

.page-news .evo-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.4rem;
  height: 1px;
  background: var(--copper);
}

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

/* 获取更新提醒 */
.page-news .news-notice {
  padding: clamp(2.1rem, 5vw, 3.4rem) 0 clamp(2.4rem, 5vw, 3.8rem);
}

.page-news .notice-grid {
  display: grid;
  gap: 1.3rem;
}

@media (min-width: 52rem) {
  .page-news .notice-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 20rem);
    align-items: start;
    gap: clamp(1.5rem, 4vw, 3rem);
  }
}

.page-news .notice-main h2 {
  margin: 0.45rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  font-weight: 800;
  color: var(--ink-navy);
}

.page-news .notice-main p {
  margin: 0;
  max-width: 34em;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .notice-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  max-width: 34em;
}

.page-news .notice-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .notice-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.6rem;
  height: 2px;
  background: var(--celadon);
}

.page-news .notice-side {
  padding: 1.1rem 1.15rem 1.25rem;
  background: var(--paper-white);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--copper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-plate);
}

.page-news .notice-label {
  margin: 0 0 0.25rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--deep-teal);
}

.page-news .notice-label + .notice-value {
  margin-bottom: 0.9rem;
}

.page-news .notice-value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink-navy);
  overflow-wrap: anywhere;
}

.page-news .notice-side .copy-btn {
  padding: 0.2rem 0.6rem;
  font-size: 0.72rem;
  color: var(--celadon-ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-news .notice-side .copy-btn:hover {
  border-color: var(--copper);
  color: var(--cinnabar);
}

.page-news .notice-side .copy-btn:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-news .notice-meta {
  margin: 0.9rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8rem;
  line-height: 1.68;
  color: var(--deep-teal);
}

@media (max-width: 38rem) {
  .page-news .news-hero-copy h1 {
    font-size: 1.7rem;
  }

  .page-news .news-hero-issue {
    font-size: 2.5rem;
  }

  .page-news .hero-actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-link,
  .page-news .copy-btn {
    transition: none;
  }
}
<<<END>>>