.page-news {
  --pn-gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-news .crumbs {
  margin-bottom: clamp(20px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-bottom: clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero h1 {
  margin: 12px 0 0;
  max-width: 15ch;
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-news .news-hero .lede {
  margin: 20px 0 0;
  max-width: 34em;
  color: var(--muted);
  line-height: 1.85;
}

.page-news .news-hero__stats {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-news .news-hero__num {
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-news .news-hero__cap {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 置顶专题 ---------- */
.page-news .news-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: var(--pn-gap);
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, var(--panel), var(--layer));
}

.page-news .news-feature__media {
  margin: 0;
  position: relative;
  min-height: 200px;
  background: linear-gradient(140deg, var(--layer), var(--ink));
}

.page-news .news-feature__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  opacity: 0.85;
}

.page-news .news-feature__body {
  padding: clamp(22px, 3.5vw, 40px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-news .news-feature__body h2 {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
}

.page-news .news-feature__body .body-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
  max-width: 32em;
}

.page-news .news-flow {
  list-style: none;
  margin: 4px 0 6px;
  padding: 0 0 0 20px;
  display: grid;
  gap: 14px;
  border-left: 1px solid var(--line);
  width: 100%;
}

.page-news .news-flow__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 14px;
}

.page-news .news-flow__dot {
  position: absolute;
  left: -24px;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px var(--panel);
}

.page-news .news-flow__time {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .news-flow__text {
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- 条目索引 ---------- */
.page-news .news-index {
  margin-top: clamp(40px, 6vw, 72px);
}

.page-news .news-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-index__head h2 {
  margin: 0;
}

.page-news .news-index__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 32em;
}

.page-news .news-filters {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-filter {
  display: inline-block;
  padding: 7px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-news .news-filter:nth-child(2) {
  background: rgba(22, 48, 42, 0.85);
}

.page-news .news-filter:nth-child(3) {
  background: rgba(22, 48, 42, 0.6);
}

.page-news .news-filter:nth-child(4) {
  background: rgba(22, 48, 42, 0.4);
}

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

.page-news .news-cat {
  margin-top: clamp(26px, 3.5vw, 40px);
  scroll-margin-top: calc(var(--strip-h) + 28px);
}

.page-news .news-cat__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  padding-bottom: 8px;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-news .news-cat__mark {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  flex: none;
}

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

.page-news .news-row {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  padding-inline: 4px;
  border-bottom: 1px solid var(--line);
  transition: background var(--t) var(--ease);
}

.page-news .news-row:hover {
  background: rgba(22, 48, 42, 0.55);
}

.page-news .news-row:hover .news-row__num {
  color: var(--cyan);
}

.page-news .news-row__num {
  padding-top: 20px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color var(--t) var(--ease);
}

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

.page-news .news-row summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-radius: var(--r-sm);
}

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

.page-news .news-row summary::marker {
  content: "";
}

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

.page-news .news-row__title {
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  transition: color var(--t) var(--ease);
}

.page-news .news-row summary:hover .news-row__title {
  color: var(--cyan-soft);
}

.page-news .news-row__tag {
  justify-self: start;
  padding: 3px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(22, 48, 42, 0.5);
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.page-news .news-row__time {
  justify-self: start;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .news-row__body {
  margin: 0 0 18px;
  max-width: 34em;
  padding-right: 8px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 长文摘要 ---------- */
.page-news .news-longform {
  margin-top: clamp(52px, 7vw, 88px);
  padding-top: clamp(30px, 4.5vw, 48px);
  border-top: 1px solid var(--line);
}

.page-news .news-longform__head h2 {
  margin: 8px 0 0;
}

.page-news .news-essay {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(24px, 3.5vw, 38px);
  border-top: 1px solid var(--line);
}

.page-news .news-essay__kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .news-essay__title {
  margin: 0 0 16px;
  font-size: clamp(21px, 2.8vw, 27px);
  line-height: 1.3;
}

.page-news .news-essay__main p {
  margin: 0 0 14px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .news-essay__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--layer), var(--panel));
}

.page-news .news-essay__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .news-essay__link {
  display: inline-block;
  margin-top: 6px;
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease);
}

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

/* ---------- 工具参考 ---------- */
.page-news .news-tools {
  margin-top: clamp(52px, 7vw, 88px);
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background:
    radial-gradient(95% 130% at 100% 0%, rgba(43, 227, 192, 0.1), transparent 62%),
    linear-gradient(150deg, var(--layer), var(--panel));
}

.page-news .news-tools__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-news .news-tools__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .news-tools__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .news-tools__body h2 {
  margin: 8px 0 16px;
}

.page-news .news-tools__body p {
  margin: 0 0 14px;
  max-width: 33em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .news-tools__list {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14px;
  color: var(--text);
}

.page-news .news-tools__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-news .news-tools__list .mono {
  min-width: 2.2em;
  color: var(--cyan);
  font-size: 15px;
}

/* ---------- 回访提示 ---------- */
.page-news .news-return {
  margin-top: clamp(52px, 7vw, 88px);
  padding-top: clamp(30px, 4.5vw, 48px);
  border-top: 1px solid var(--line);
}

.page-news .news-return h2 {
  margin: 0 0 22px;
}

.page-news .news-return__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .news-return__list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  transition: border-color var(--t) var(--ease);
}

.page-news .news-return__list li:hover {
  border-color: var(--line);
}

.page-news .news-return__k {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .news-return .body-text {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .news-return__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-news .news-row {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
  }

  .page-news .news-row__num {
    padding-top: 22px;
    font-size: 13px;
  }
}

@media (min-width: 860px) {
  .page-news .news-row summary {
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 16px;
  }

  .page-news .news-row__time {
    justify-self: end;
  }
}

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

  .page-news .news-feature__media img {
    height: 100%;
    min-height: 320px;
  }

  .page-news .news-feature__body {
    justify-content: center;
  }

  .page-news .news-essay {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: center;
  }

  .page-news .news-essay:nth-of-type(even) .news-essay__main {
    order: 2;
  }

  .page-news .news-essay:nth-of-type(even) .news-essay__media {
    order: 1;
  }

  .page-news .news-tools__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  }
}

@media (min-width: 1000px) {
  .page-news .news-return__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-row,
  .page-news .news-row__num,
  .page-news .news-row__title,
  .page-news .news-filter,
  .page-news .news-essay__link,
  .page-news .news-return__list li {
    transition: none;
  }
}
<<<END>>>