.page-news {
  --news-gap: clamp(20px, 3.2vw, 40px);
  --news-rail-w: 152px;
  --news-note-w: 236px;
  padding-bottom: clamp(40px, 8vw, 96px);
}

/* ── 首屏 ── */
.page-news .news-masthead {
  gap: var(--news-gap);
  align-items: start;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-news .news-title {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.2vw, 54px);
  line-height: 1.14;
  letter-spacing: 0.04em;
  font-weight: 900;
  color: var(--text);
}

.page-news .news-masthead__lead .lede {
  margin-top: 18px;
}

.page-news .news-masthead__text {
  margin: 14px 0 0;
  max-width: 40ch;
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.85;
}

.page-news .news-masthead__panel {
  padding: 22px 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 100% 0%, var(--glow-violet), transparent 60%),
    linear-gradient(160deg, rgba(19, 28, 69, 0.85), rgba(10, 18, 48, 0.55));
}

.page-news .news-masthead__panel ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .news-masthead__panel li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  font-size: var(--fs-14);
  color: var(--text-soft);
}

.page-news .news-masthead__panel li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .news-masthead__panel .mono {
  color: var(--cyan);
  font-size: var(--fs-12);
  white-space: nowrap;
}

/* ── 栏目筛选条 ── */
.page-news .news-filter {
  margin-top: clamp(30px, 5vw, 52px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-news .news-filter__label {
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--stone);
  text-transform: uppercase;
}

.page-news .news-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: rgba(19, 28, 69, 0.45);
  color: var(--text-soft);
  font-size: var(--fs-14);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--stone);
  transition: box-shadow var(--dur) var(--ease);
}

.page-news .news-chip__idx {
  font-size: var(--fs-12);
  color: var(--stone);
}

.page-news .news-chip--moss::before { background: var(--moss); }
.page-news .news-chip--clay::before { background: var(--clay); }
.page-news .news-chip--violet::before { background: var(--violet); }
.page-news .news-chip--cyan::before { background: var(--cyan); }

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--paper);
  background: rgba(34, 211, 238, 0.08);
}

.page-news .news-chip:hover::before,
.page-news .news-chip:focus-visible::before {
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.18);
}

.page-news .news-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ── 目录主体：三栏 ── */
.page-news .news-ledger__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

/* ── 时间轴 ── */
.page-news .news-rail__label {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-news .news-rail__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  gap: 20px;
  overflow-x: auto;
}

.page-news .news-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: var(--fs-14);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .news-rail__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid var(--stone);
  background: var(--bg);
  flex: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  color: var(--cyan);
}

.page-news .news-rail__link:hover .news-rail__dot,
.page-news .news-rail__link:focus-visible .news-rail__dot {
  border-color: var(--cyan);
  background: var(--cyan);
}

.page-news .news-rail__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ── 条目列表 ── */
.page-news .news-group {
  margin-bottom: clamp(28px, 4vw, 46px);
}

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

.page-news .news-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 4px;
  font-size: var(--fs-22);
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--text);
}

.page-news .news-group__title .index-num {
  font-size: var(--fs-12);
  color: var(--clay);
}

.page-news .entry {
  padding: 22px 0;
  border-top: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  border-top-color: var(--cyan);
}

.page-news .entry__figure {
  margin-bottom: 20px;
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-news .entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .entry__time {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-news .entry__ver {
  font-size: var(--fs-12);
  color: var(--clay);
  margin-left: auto;
}

.page-news .entry__title {
  margin: 12px 0 0;
  font-size: clamp(17px, 2.4vw, 22px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  font-weight: 700;
}

.page-news .entry__title a {
  color: var(--text);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: color var(--dur) var(--ease), background-size var(--dur) var(--ease);
}

.page-news .entry__title a:hover,
.page-news .entry__title a:focus-visible {
  color: var(--cyan);
  background-size: 100% 1px;
}

.page-news .entry__body {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-news .entry__more {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-left: 0;
  border-left: 2px solid transparent;
  color: var(--text-dim);
  font-size: var(--fs-14);
  line-height: 1.8;
  transition: max-height 240ms var(--ease), opacity 200ms var(--ease),
    margin-top 200ms var(--ease), padding-left 200ms var(--ease),
    border-left-color 200ms var(--ease);
}

.page-news .entry:hover .entry__more,
.page-news .entry:focus-within .entry__more {
  max-height: 14em;
  opacity: 1;
  margin-top: 14px;
  padding-left: 15px;
  border-left-color: var(--violet);
}

/* ── 右栏批注 ── */
.page-news .news-notes {
  display: grid;
  gap: 16px;
}

.page-news .news-notes__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--fs-18);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-news .news-note {
  padding: 16px 18px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(28, 38, 87, 0.55), rgba(10, 18, 48, 0.25));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-note:hover {
  transform: translateY(-3px);
  border-color: rgba(139, 92, 246, 0.6);
}

.page-news .news-note p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .news-note__meta {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--stone);
  letter-spacing: 0.04em;
}

/* ── 案例专题 ── */
.page-news .news-feature {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(90% 120% at 8% 0%, var(--glow-violet), transparent 58%),
    radial-gradient(70% 100% at 100% 100%, var(--glow-cyan), transparent 60%),
    linear-gradient(150deg, rgba(19, 28, 69, 0.75), rgba(10, 18, 48, 0.6));
}

.page-news .news-feature__grid {
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-feature__visual .img-frame {
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-news .news-feature__visual .media-caption {
  margin-top: 12px;
  font-size: var(--fs-12);
  color: var(--stone);
  line-height: 1.7;
}

.page-news .news-feature__text .section-title {
  margin-top: 12px;
}

.page-news .news-feature__text .prose {
  margin-top: 14px;
}

.page-news .news-steps {
  list-style: none;
  counter-reset: step;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .news-step {
  position: relative;
  padding-left: 48px;
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-news .news-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 34px;
  height: 27px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--clay);
}

.page-news .news-feature__text .link-arrow {
  display: inline-block;
  margin-top: 24px;
}

/* ── 场景现场 ── */
.page-news .news-scenes__figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .news-scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .news-scene {
  padding: 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(28, 38, 87, 0.5), rgba(10, 18, 48, 0.28));
}

.page-news .news-scene__k {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--moss);
}

.page-news .news-scene__title {
  margin: 10px 0 14px;
  font-size: var(--fs-22);
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-news .news-scene p {
  margin: 0 0 14px;
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.85;
}

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

.page-news .news-scene__pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}

.page-news .news-scene__pair .img-frame {
  border-radius: var(--radius-m);
  overflow: hidden;
}

/* ── 更新节拍 ── */
.page-news .news-cadence__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .cadence-card {
  padding: 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(28, 38, 87, 0.5), rgba(10, 18, 48, 0.25));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .cadence-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.5);
}

.page-news .cadence-card__k {
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-news .cadence-card__t {
  margin: 12px 0 10px;
  font-size: var(--fs-18);
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-news .cadence-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: var(--fs-14);
  line-height: 1.85;
}

.page-news .cadence-card .link-arrow {
  display: inline-block;
  margin-top: 16px;
}

.page-news .news-cadence__foot {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* ── 图片基础 ── */
.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-news .img-frame {
  position: relative;
  background:
    radial-gradient(80% 100% at 20% 0%, var(--glow-violet), transparent 60%),
    linear-gradient(160deg, var(--ink-700), var(--ink-900));
}

.page-news .img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── 响应式 ── */
@media (min-width: 640px) {
  .page-news .news-scene__pair {
    grid-template-columns: minmax(0, 1fr) 180px;
  }
}

@media (min-width: 780px) {
  .page-news .news-cadence__grid {
    grid-template-columns: 1.15fr 0.95fr 0.95fr;
  }

  .page-news .news-scene-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .news-ledger__grid {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
  }

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    position: relative;
  }

  .page-news .news-rail__list::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: linear-gradient(180deg, var(--violet), var(--cyan));
    opacity: 0.55;
  }

  .page-news .news-rail__item {
    margin-bottom: 16px;
  }

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

  .page-news .news-rail__link {
    padding: 2px 0;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (min-width: 1200px) {
  .page-news .news-ledger__grid {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr) var(--news-note-w);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry__more,
  .page-news .news-chip,
  .page-news .news-note,
  .page-news .cadence-card,
  .page-news .entry__title a {
    transition: none;
  }

  .page-news .news-chip:hover,
  .page-news .news-note:hover,
  .page-news .cadence-card:hover {
    transform: none;
  }
}
<<<END>>>