.page-news {
  --ins-lead: clamp(17px, 1.9vw, 19px);
  color: var(--mint);
}

.page-news h2 {
  margin: 10px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--warm);
  text-wrap: balance;
}

.page-news h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--warm);
}

.page-news p {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-news .ins-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(92px, 15vw, 132px) 0 clamp(44px, 6vw, 68px);
  border-bottom: 1px solid var(--line);
}

.page-news .ins-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-news .ins-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(62% 55% at 82% 12%, rgba(183, 255, 60, 0.16), transparent 68%),
    linear-gradient(180deg, rgba(10, 31, 26, 0.78) 0%, rgba(10, 31, 26, 0.94) 58%, var(--bg) 100%);
}

.page-news .ins-hero__img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: saturate(0.7);
}

.page-news .ins-hero__inner {
  position: relative;
}

.page-news .ins-hero__title {
  margin: 16px 0 0;
  max-width: 15em;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(33px, 7vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--warm);
  text-wrap: balance;
}

.page-news .ins-hero__title em {
  font-style: normal;
  color: var(--lime);
}

.page-news .ins-hero__lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: var(--ins-lead);
  line-height: 1.78;
  color: var(--mint);
  opacity: 0.9;
}

.page-news .ins-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-news .ins-hero__jump a {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sage);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .ins-hero__jump a:hover,
.page-news .ins-hero__jump a:focus-visible {
  color: var(--bg);
  background: var(--lime);
  border-color: var(--lime);
}

.page-news .ins-hero__teasers {
  list-style: none;
  margin: clamp(30px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .ins-teaser {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-news .ins-teaser:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-news .ins-teaser__title {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.55;
  color: var(--mint);
}

.page-news .ins-teaser__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--sage);
}

/* ---------- 章节骨架 ---------- */
.page-news .ins-section {
  padding: clamp(44px, 7vw, 82px) 0;
}

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

.page-news .ins-section__head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .ins-stream__intro,
.page-news .ins-series__lede {
  margin-top: 12px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--sage);
}

/* ---------- 列表 + 目录 ---------- */
.page-news .ins-grid {
  display: grid;
  gap: 34px;
}

.page-news .ins-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-news .ins-item {
  display: grid;
  gap: 9px;
  justify-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .ins-item:nth-child(odd) {
  border-left: 2px solid transparent;
  padding-left: 0;
  transition: border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-news .ins-item:hover {
  border-left-color: var(--lime);
  padding-left: 12px;
}

.page-news .ins-item .chip {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-news .ins-item__body {
  display: grid;
  gap: 6px;
}

.page-news .ins-item__desc {
  font-size: 15px;
  line-height: 1.72;
  color: var(--sage);
}

.page-news .ins-item__time {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--line-strong);
}

.page-news .ins-toc {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}

.page-news .ins-toc__title {
  margin-bottom: 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-news .ins-toc__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: ins-toc;
}

.page-news .ins-toc__list li {
  counter-increment: ins-toc;
}

.page-news .ins-toc__list a {
  display: flex;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-s);
  font-size: 14px;
  line-height: 1.4;
  color: var(--sage);
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .ins-toc__list a::before {
  content: counter(ins-toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--line-strong);
}

.page-news .ins-toc__list a:hover,
.page-news .ins-toc__list a:focus-visible {
  color: var(--lime);
  background: var(--panel-2);
}

.page-news .ins-toc__back {
  width: 100%;
  justify-content: center;
  text-decoration: none;
}

/* ---------- 专题 ---------- */
.page-news .ins-series {
  display: grid;
  gap: 20px;
}

.page-news .ins-series__main {
  display: grid;
  gap: 20px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}

.page-news .ins-series__fig {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, var(--panel-2), var(--bg-deep));
}

.page-news .ins-series__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 8 / 5;
}

.page-news .media__caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--sage);
}

.page-news .ins-series__body {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .ins-series__body p {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--sage);
}

.page-news .ins-series__body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .ins-series__body a:hover {
  border-bottom-color: var(--lime);
}

.page-news .ins-series__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-news .ins-series__links .btn {
  text-decoration: none;
}

.page-news .ins-series__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-news .ins-step {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  transition: border-color 0.2s var(--ease);
}

.page-news .ins-step:hover {
  border-color: var(--lime);
}

.page-news .ins-step__idx {
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.1em;
}

.page-news .ins-step__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 数据解读 ---------- */
.page-news .ins-data {
  display: grid;
  gap: 24px;
}

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

.page-news .ins-data__copy p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--sage);
}

.page-news .ins-metrics {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-news .ins-metric {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--panel);
}

.page-news .ins-metric__value {
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-news .ins-metric__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--sage);
}

.page-news .ins-data__panel {
  display: grid;
  gap: 18px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}

.page-news .ins-data__fig {
  margin: 0;
}

.page-news .ins-data__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 8 / 5;
  border-radius: var(--radius-m);
}

.page-news .ins-chart__wrap {
  display: grid;
  gap: 10px;
}

.page-news .ins-chart__caption {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-news .ins-chart {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}

.page-news .ins-chart__grid line {
  stroke: var(--line-strong);
  stroke-width: 1;
}

.page-news .ins-chart__line {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-news .ins-chart__line--a {
  stroke: var(--lime);
}

.page-news .ins-chart__line--b {
  stroke: var(--orange);
}

.page-news .ins-chart__line--c {
  stroke: var(--sage);
  stroke-dasharray: 4 4;
}

.page-news .ins-chart__legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12.5px;
  color: var(--sage);
}

.page-news .ins-chart__legend li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-news .ins-dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
}

.page-news .ins-dot--a {
  background: var(--lime);
}

.page-news .ins-dot--b {
  background: var(--orange);
}

.page-news .ins-dot--c {
  background: var(--sage);
}

/* ---------- 版本 ---------- */
.page-news .ins-versions {
  display: grid;
  gap: 24px;
}

.page-news .ins-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .ins-timeline__item {
  display: grid;
  gap: 6px;
  padding: 16px 0 16px 18px;
  border-left: 1px solid var(--line-strong);
  position: relative;
  transition: border-color 0.2s var(--ease);
}

.page-news .ins-timeline__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 22px;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: var(--line-strong);
  transition: background-color 0.2s var(--ease);
}

.page-news .ins-timeline__item:hover {
  border-left-color: var(--lime);
}

.page-news .ins-timeline__item:hover::before {
  background: var(--lime);
}

.page-news .ins-timeline__year {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-news .ins-timeline__text {
  margin-top: 5px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--sage);
}

.page-news .ins-version-fig {
  margin: 0;
  align-self: start;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}

.page-news .ins-version-fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-m);
}

.page-news .ins-version-fig__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 6px 4px;
}

.page-news .ins-version-fig__links .btn {
  text-decoration: none;
}

/* ---------- 订阅与收藏 ---------- */
.page-news .ins-guides {
  display: grid;
  gap: 16px;
}

.page-news .ins-guide {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-news .ins-guide:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-news .ins-guide__title {
  font-size: 19px;
}

.page-news .ins-guide__text {
  font-size: 15px;
  line-height: 1.78;
  color: var(--sage);
}

.page-news .ins-guide__link {
  margin-top: 4px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.2s var(--ease);
}

.page-news .ins-guide__link:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 收尾 ---------- */
.page-news .ins-section--cta {
  padding-bottom: clamp(52px, 8vw, 96px);
}

.page-news .ins-cta {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3.4vw, 38px);
  background:
    radial-gradient(70% 120% at 92% 0%, rgba(183, 255, 60, 0.14), transparent 62%),
    var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}

.page-news .ins-cta__title {
  font-size: clamp(24px, 3.6vw, 34px);
}

.page-news .ins-cta__text {
  margin-top: 12px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--sage);
}

.page-news .ins-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-news .ins-cta__actions .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .ins-hero__teasers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .ins-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .ins-series__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .ins-guides {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-news .ins-item {
    grid-template-columns: 108px minmax(0, 1fr) 92px;
    column-gap: 20px;
    align-items: start;
    padding: 20px 0;
  }

  .page-news .ins-item__time {
    text-align: right;
    padding-top: 4px;
  }

  .page-news .ins-series__main {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 24px;
  }

  .page-news .ins-versions {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .ins-hero__teasers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-news .ins-grid {
    grid-template-columns: minmax(0, 1fr) 244px;
    gap: 48px;
    align-items: start;
  }

  .page-news .ins-toc {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-news .ins-series {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-news .ins-series__steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .page-news .ins-data {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: 36px;
    align-items: start;
  }

  .page-news .ins-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .ins-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-news .ins-cta__actions {
    justify-content: flex-end;
  }
}
<<<END>>>