.page-news {
  --news-rail: 220px;
  display: block;
  min-width: 0;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* —— 首屏 —— */
.page-news .news-head {
  display: grid;
  gap: 18px;
  max-width: 64ch;
}

.page-news .news-head__title {
  margin: 0;
  font-size: clamp(34px, 2rem + 4.4vw, 76px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--text-strong);
}

.page-news .news-head__title::after {
  content: "";
  display: block;
  width: 76px;
  height: 3px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-news .news-head .lead {
  margin: 0;
  max-width: 52ch;
}

/* 更新节奏条 */
.page-news .pulse {
  margin-top: clamp(30px, 5vw, 54px);
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 720px) {
  .page-news .pulse {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .pulse__cell {
  background: linear-gradient(180deg, rgba(13, 32, 68, 0.92), rgba(6, 14, 31, 0.94));
  padding: 18px 20px;
  display: grid;
  gap: 6px;
}

.page-news .pulse__k {
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  color: var(--steel-dim);
}

.page-news .pulse__v {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--text-strong);
}

/* —— 置顶专题 —— */
.page-news .feature {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-news .feature {
    grid-template-columns: 7fr 5fr;
  }
}

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

.page-news .feature__body {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .feature__title {
  margin: 0;
  font-size: var(--step-2);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.018em;
  color: var(--text-strong);
}

.page-news .feature__lede {
  margin: 0;
  max-width: 46ch;
  line-height: 1.8;
  color: var(--text);
}

.page-news .feature__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--violet);
  max-width: 44ch;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--steel-dim);
}

.page-news .feature__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
}

/* —— 动态条目流 —— */
.page-news .stream {
  display: grid;
  gap: clamp(22px, 4vw, 54px);
  margin-top: clamp(26px, 4vw, 46px);
}

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

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

.page-news .stream__rail-title {
  margin: 0 0 12px;
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  color: var(--steel-dim);
}

.page-news .pills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (min-width: 960px) {
  .page-news .pills {
    flex-direction: column;
    align-items: flex-start;
  }
}

.page-news .pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(13, 32, 68, 0.5);
  font-size: var(--step--1);
  color: var(--steel);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-news .pill--on {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .entries {
  border-top: 1px solid var(--line);
}

.page-news .entry {
  position: relative;
  display: grid;
  gap: 9px;
  padding: clamp(20px, 3vw, 28px) 0 clamp(20px, 3vw, 28px) 22px;
  border-bottom: 1px solid var(--line);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(24px, 3vw, 32px);
  width: 2px;
  height: 18px;
  background: var(--cyan);
  transition: height 0.35s var(--ease), background 0.35s var(--ease);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  height: calc(100% - 56px);
  background: linear-gradient(180deg, var(--cyan), var(--violet));
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-news .entry__when {
  font-size: var(--step--1);
  color: var(--steel-dim);
  font-variant-numeric: tabular-nums;
}

.page-news .entry__title {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-strong);
}

.page-news .entry__desc {
  margin: 0;
  max-width: 62ch;
  line-height: 1.75;
  color: var(--steel);
}

/* —— 版本迭代记录 —— */
.page-news .versions {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

@media (min-width: 1000px) {
  .page-news .versions {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-news .vline {
  list-style: none;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.page-news .vline__item {
  position: relative;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 30px 18px 22px 0;
  border-top: 1px solid var(--line);
  outline-offset: 4px;
}

.page-news .vline__item::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--ink-900);
}

.page-news .vline__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-news .vline__title {
  margin: 0;
  font-size: var(--step-0);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-strong);
}

.page-news .vline__when {
  margin: 0;
  font-size: var(--step--1);
  color: var(--steel-dim);
}

.page-news .vline__note {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: var(--step--1);
  line-height: 1.72;
  color: var(--steel);
  transition: max-height 0.4s var(--ease), opacity 0.3s var(--ease), margin 0.3s var(--ease);
}

.page-news .vline__item:hover .vline__note,
.page-news .vline__item:focus-visible .vline__note,
.page-news .vline__item:focus-within .vline__note {
  max-height: 14rem;
  opacity: 1;
  margin-top: 2px;
}

@media (hover: none) {
  .page-news .vline__note {
    max-height: none;
    opacity: 1;
  }
}

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

/* —— 年度品类报告 —— */
.page-news .report {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .report__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  pointer-events: none;
}

.page-news .report__inner {
  position: relative;
  z-index: 1;
}

.page-news .rowdata {
  margin-top: clamp(24px, 3.5vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 14, 31, 0.76);
  overflow: hidden;
}

.page-news .rowdata__row {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line-soft);
}

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

@media (min-width: 760px) {
  .page-news .rowdata__row {
    grid-template-columns: 1.05fr 0.6fr 1.75fr;
    align-items: baseline;
    gap: 22px;
  }
}

.page-news .rowdata__k {
  font-size: var(--step--1);
  letter-spacing: 0.05em;
  color: var(--steel-dim);
}

.page-news .rowdata__v {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--cyan);
  white-space: nowrap;
}

.page-news .rowdata__d {
  font-size: var(--step--1);
  line-height: 1.72;
  color: var(--steel);
}

.page-news .report__more {
  margin-top: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 14, 31, 0.76);
}

.page-news .report__more > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: var(--step-0);
  font-weight: 600;
  color: var(--text-strong);
}

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

.page-news .report__more > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--step-1);
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.3s var(--ease);
}

.page-news .report__more[open] > summary::after {
  transform: rotate(45deg);
}

.page-news .report__more ul {
  margin: 0;
  padding: 0 18px 18px 34px;
  display: grid;
  gap: 10px;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .report__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-news .report__foot .note {
  margin: 0;
  max-width: 34ch;
}

/* —— 系列栏目一览 —— */
.page-news .series {
  list-style: none;
  margin: clamp(24px, 3.5vw, 42px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .series__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 18px;
  align-items: start;
  padding: clamp(20px, 2.8vw, 28px) 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 780px) {
  .page-news .series__item {
    grid-template-columns: 72px minmax(0, 1fr) auto;
    align-items: center;
  }
}

.page-news .series__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-1);
  letter-spacing: -0.02em;
  color: var(--steel-dim);
}

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

.page-news .series__title {
  margin: 0 0 6px;
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-strong);
}

.page-news .series__desc {
  margin: 0;
  max-width: 58ch;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .series__item .tag {
  justify-self: start;
}

/* —— 收尾 —— */
.page-news .news-coda {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.page-news .news-coda__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  pointer-events: none;
}

.page-news .news-coda__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
  max-width: 64ch;
  padding-block: clamp(56px, 9vw, 108px);
}

.page-news .news-coda__title {
  margin: 0;
  font-size: var(--step-2);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.018em;
  color: var(--text-strong);
}

.page-news .news-coda__text {
  margin: 0;
  max-width: 54ch;
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-coda__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* —— 动效兼容 —— */
@media (prefers-reduced-motion: reduce) {
  .page-news .entry::before,
  .page-news .vline__note,
  .page-news .pill,
  .page-news .report__more > summary::after {
    transition: none;
  }
}
<<<END>>>