.page-news {
  --news-rail: 228px;
  --news-anchor-offset: 7rem;
  background: var(--ink-900);
  color: var(--text);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* ---------- 首屏封面 ---------- */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% -20%, rgba(56, 242, 208, 0.13), transparent 62%),
    radial-gradient(90% 70% at 4% 120%, rgba(45, 108, 223, 0.12), transparent 60%),
    var(--ink-900);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(216, 222, 226, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(216, 222, 226, 0.07) 1px, transparent 1px);
  background-size: var(--grid-cell) var(--grid-cell);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
}

.page-news .news-masthead__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(1rem, 3vw, 1.75rem) clamp(2rem, 5vw, 3.5rem);
}

.page-news .masthead-grid {
  display: grid;
  gap: clamp(1rem, 3vw, 2rem);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .masthead-issue {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
}

.page-news .masthead-issue__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(3.6rem, 15vw, 7.5rem);
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(56, 242, 208, 0.6);
}

.page-news .masthead-issue__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  padding-bottom: 0.5rem;
  white-space: nowrap;
}

.page-news .masthead-copy h1 {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 5.2vw, 3.1rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-news .masthead-lead {
  margin: 1rem 0 0;
  max-width: 58ch;
  font-size: clamp(0.94rem, 1.6vw, 1.05rem);
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .masthead-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .masthead-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line-strong);
  font-size: 0.78rem;
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: var(--text-soft);
}

.page-news .masthead-facts b {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan);
}

/* ---------- 双栏骨架 ---------- */
.page-news .news-layout {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

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

/* ---------- 期号轴 ---------- */
.page-news .issue-rail {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 0.9rem;
}

.page-news .issue-rail__title,
.page-news .tag-cloud__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .issue-track {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.3rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .issue-track__item {
  flex: 0 0 auto;
}

.page-news .issue-track__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  color: var(--text-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-news .issue-track__link:hover,
.page-news .issue-track__link:focus-visible {
  border-color: var(--line-cyan);
  color: var(--paper);
  background: rgba(56, 242, 208, 0.06);
}

.page-news .issue-track__link.is-current {
  border-color: var(--line-cyan);
  box-shadow: inset 2px 0 0 var(--cyan);
  background: rgba(56, 242, 208, 0.08);
  color: var(--paper);
}

.page-news .issue-track__num {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .issue-track__meta {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-news .tag-cloud {
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.page-news .tag-cloud__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 第 3 期封面卡 ---------- */
.page-news .cover-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: linear-gradient(158deg, var(--ink-800) 0%, var(--ink-900) 72%);
  scroll-margin-top: var(--news-anchor-offset);
}

.page-news .cover-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(216, 222, 226, 0.06) 1px, transparent 1px);
  background-size: 48px 100%;
}

.page-news .cover-card__inner {
  position: relative;
  display: grid;
  gap: 0;
}

.page-news .cover-card__figure {
  margin: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.page-news .cover-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-news .cover-card__body {
  padding: clamp(1.1rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-news .cover-card__kicker {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .cover-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2.05rem);
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .cover-card__text {
  margin: 0;
  max-width: 52ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .cover-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .cover-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.35rem;
}

/* ---------- 主题筛选条 ---------- */
.page-news .topic-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .topic-filter__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 0.15rem;
}

.page-news .topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.36rem 0.72rem;
  border: 1px solid var(--line-strong);
  font-size: 0.84rem;
  line-height: 1.4;
  color: var(--text-soft);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-news .topic-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--muted);
}

.page-news .topic-chip--cyan::before { background: var(--cyan); }
.page-news .topic-chip--amber::before { background: var(--amber); }
.page-news .topic-chip--sage::before { background: var(--sage); }
.page-news .topic-chip--cobalt::before { background: var(--cobalt); }

.page-news .topic-chip:hover,
.page-news .topic-chip:focus-visible {
  border-color: var(--line-cyan);
  color: var(--paper);
  background: rgba(56, 242, 208, 0.07);
}

/* ---------- 区块标题 ---------- */
.page-news .block-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.page-news .block-head__num {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .block-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* ---------- 条目列表 ---------- */
.page-news .entry-list {
  display: grid;
  gap: 0.85rem;
  margin: clamp(1rem, 2.4vw, 1.5rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .entry {
  display: grid;
  gap: 0.9rem;
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border: 1px solid var(--line);
  border-left-width: 2px;
  background: rgba(18, 41, 63, 0.52);
  scroll-margin-top: var(--news-anchor-offset);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .entry--adjust { border-left-color: var(--cyan); }
.page-news .entry--adapt { border-left-color: var(--amber); }
.page-news .entry--library { border-left-color: var(--sage); }
.page-news .entry--help { border-left-color: var(--cobalt); }

.page-news .entry:hover,
.page-news .entry:focus-within {
  background: rgba(18, 41, 63, 0.88);
  border-top-color: var(--line-strong);
  border-right-color: var(--line-strong);
  border-bottom-color: var(--line-strong);
}

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

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

.page-news .entry__time {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.1vw, 1.26rem);
  line-height: 1.42;
  letter-spacing: -0.008em;
  color: var(--paper);
}

.page-news .entry__text {
  margin: 0.5rem 0 0;
  max-width: 62ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .entry__more {
  margin-top: 0.7rem;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--line);
}

.page-news .entry__more summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

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

.page-news .entry__more summary::before {
  content: "+";
  display: inline-block;
  width: 0.9rem;
  text-align: center;
  color: var(--cyan);
}

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

.page-news .entry__more summary:hover {
  color: var(--paper);
}

.page-news .entry__more p {
  margin: 0.6rem 0 0;
  max-width: 60ch;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .entry__link {
  display: inline-block;
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 0.1rem;
}

.page-news .entry__link:hover,
.page-news .entry__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-news .entry__figure {
  margin: 0;
  border: 1px solid var(--line);
}

.page-news .entry__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 编辑手记 ---------- */
.page-news .editor-note {
  margin-top: clamp(2rem, 4.5vw, 3rem);
  padding: clamp(1.25rem, 4vw, 2.6rem);
  background: var(--paper);
  color: var(--paper-ink);
  border: 1px solid var(--haze);
  border-left: 4px solid var(--amber);
}

.page-news .editor-note__kicker {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8a6420;
}

.page-news .editor-note__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--paper-ink);
}

.page-news .editor-note__text {
  margin-top: 0.9rem;
  max-width: 66ch;
}

.page-news .editor-note__text p {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--paper-ink);
}

.page-news .editor-note__text p:last-child {
  margin-bottom: 0;
}

/* ---------- 后续路径 ---------- */
.page-news .next-steps {
  margin-top: clamp(2rem, 4.5vw, 3rem);
}

.page-news .path-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.page-news .path-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  background: var(--ink-800);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .path-card:hover {
  border-color: var(--line-cyan);
  background: #16324c;
}

.page-news .path-card__num {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-news .path-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .path-card__text {
  margin: 0;
  flex: 1 1 auto;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-news .path-card__link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 0.1rem;
  align-self: flex-start;
}

.page-news .path-card__link:hover,
.page-news .path-card__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 交互反馈 ---------- */
.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 桌面强化 ---------- */
@media (min-width: 720px) {
  .page-news .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-news .cover-card__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .cover-card__figure {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-news .cover-card__figure img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-news .cover-card__body {
    justify-content: center;
  }

  .page-news .entry--has-figure {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 280px);
    align-items: start;
  }

  .page-news .entry__figure img {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 860px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(140px, 210px) minmax(0, 1fr);
    align-items: end;
    gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-news .masthead-issue {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .page-news .masthead-issue__label {
    padding-bottom: 0;
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .issue-rail {
    position: sticky;
    top: 6.5rem;
    padding: 1.15rem;
  }

  .page-news .issue-track {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .issue-track__item {
    flex: 1 1 auto;
  }

  .page-news .issue-track__link {
    justify-content: space-between;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .path-card,
  .page-news .issue-track__link,
  .page-news .topic-chip {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>