.page-news {
  --news-radius: 4px;
  background: var(--ds-paper);
}

.page-news .page-news__top {
  padding-top: 1.5rem;
  padding-bottom: .25rem;
}

/* ---------- 首屏 ---------- */
.page-news .page-news__masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 3.25rem) 0 clamp(2.25rem, 5vw, 3.25rem);
  background: linear-gradient(158deg, var(--ds-blue) 0%, var(--ds-navy) 58%, var(--ds-ink) 100%);
  color: var(--ds-paper);
}

.page-news .page-news__masthead::before {
  content: "";
  position: absolute;
  top: -170px;
  right: -130px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(255, 107, 26, .26), rgba(255, 107, 26, 0) 66%);
  pointer-events: none;
}

.page-news .page-news__masthead .container {
  position: relative;
}

.page-news .page-news__kicker {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin: 0 0 1rem;
  font-family: var(--ds-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ds-orange);
}

.page-news .page-news__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--ds-orange);
}

.page-news .page-news__title {
  margin: 0 0 1rem;
  max-width: 22ch;
  font-family: var(--ds-serif);
  font-size: clamp(1.9rem, 6vw, 3.4rem);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--ds-paper);
}

.page-news .page-news__lead {
  margin: 0 0 1.5rem;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(251, 252, 254, .8);
}

.page-news .page-news__meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(220, 230, 247, .22);
}

.page-news .page-news__meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  font-size: .875rem;
  color: rgba(251, 252, 254, .68);
}

.page-news .page-news__meta-item .num {
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--ds-orange-soft);
}

/* ---------- 主体骨架 ---------- */
.page-news .page-news__body {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

@media (min-width: 900px) {
  .page-news .page-news__body {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }
}

/* ---------- 栏目标签轨 ---------- */
.page-news .page-news__rail-title {
  margin: 0 0 .75rem;
  font-family: var(--ds-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ds-mid);
}

.page-news .page-news__cats {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.page-news .page-news__cat {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .85rem;
  border: 1px solid var(--ds-mist);
  border-radius: 999px;
  font-size: .875rem;
  color: var(--ds-ink);
  text-decoration: none;
  transition: background-color .2s var(--ds-ease), border-color .2s var(--ds-ease), color .2s var(--ds-ease);
}

.page-news .page-news__cat .num {
  font-size: .75rem;
  color: var(--ds-mid);
  transition: color .2s var(--ds-ease);
}

.page-news .page-news__cat:hover,
.page-news .page-news__cat:focus-visible {
  background: var(--ds-grey);
  border-color: var(--ds-blue);
  color: var(--ds-blue);
}

.page-news .page-news__cat:hover .num,
.page-news .page-news__cat:focus-visible .num {
  color: var(--ds-orange);
}

@media (min-width: 900px) {
  .page-news .page-news__rail {
    position: sticky;
    top: 1.5rem;
  }

  .page-news .page-news__cats {
    flex-direction: column;
    gap: .35rem;
    margin-bottom: 1.5rem;
  }

  .page-news .page-news__cat {
    justify-content: flex-start;
    padding: .5rem .25rem .5rem .75rem;
    border: 0;
    border-left: 2px solid var(--ds-mist);
    border-radius: 0;
  }

  .page-news .page-news__cat:hover,
  .page-news .page-news__cat:focus-visible {
    background: var(--ds-grey);
    border-left-color: var(--ds-orange);
  }
}

.page-news .page-news__rail-note {
  padding-top: 1rem;
  border-top: 1px solid var(--ds-mist);
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ds-mid);
}

.page-news .page-news__rail-note p {
  margin: 0 0 .85rem;
}

.page-news .page-news__rail-note .btn {
  font-size: .875rem;
}

/* ---------- 编辑精选 ---------- */
.page-news .page-news__feature {
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}

.page-news .page-news__feature-card {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--ds-mist);
  border-radius: 6px;
  background: var(--ds-paper);
  box-shadow: 0 30px 60px -46px rgba(11, 61, 145, .55);
}

@media (min-width: 760px) {
  .page-news .page-news__feature-card {
    grid-template-columns: 1.1fr .9fr;
  }
}

.page-news .page-news__feature-media {
  position: relative;
  background: var(--ds-navy);
}

.page-news .page-news__feature-media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-news .page-news__feature-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .85rem;
  padding: clamp(1.35rem, 3vw, 2.25rem);
}

.page-news .page-news__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.page-news .page-news__feature-title {
  margin: 0;
  font-family: var(--ds-serif);
  font-size: clamp(1.4rem, 3.2vw, 1.95rem);
  line-height: 1.3;
  color: var(--ds-blue);
}

.page-news .page-news__feature-desc {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ds-ink);
}

.page-news .page-news__feature-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-top: .35rem;
  padding-top: .9rem;
  border-top: 1px solid var(--ds-grey);
}

.page-news .page-news__feature-foot .num {
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--ds-mid);
}

.page-news .page-news__read {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--ds-orange);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .2s var(--ds-ease);
}

.page-news .page-news__read::after {
  content: "→";
  font-family: var(--ds-mono);
}

.page-news .page-news__read:hover,
.page-news .page-news__read:focus-visible {
  border-bottom-color: var(--ds-orange);
}

/* ---------- 索引区 ---------- */
.page-news .page-news__index {
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}

.page-news .page-news__index-head {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

@media (min-width: 780px) {
  .page-news .page-news__index-head {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 2rem;
    align-items: end;
  }
}

.page-news .page-news__index-lead {
  margin: .6rem 0 0;
  max-width: 46ch;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--ds-mid);
}

.page-news .page-news__index-figure {
  overflow: hidden;
  border: 1px solid var(--ds-mist);
  border-radius: var(--news-radius);
}

.page-news .page-news__index-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .page-news__group + .page-news__group {
  margin-top: 1.75rem;
}

.page-news .page-news__group-title {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin: 0;
  padding-bottom: .55rem;
  border-bottom: 2px solid var(--ds-ink);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ds-ink);
}

.page-news .page-news__group-title .num {
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--ds-orange);
}

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

.page-news .page-news__post {
  border-bottom: 1px solid var(--ds-grey);
}

.page-news .page-news__post-summary {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .9rem .25rem;
  cursor: pointer;
  list-style: none;
  transition: background-color .18s var(--ds-ease);
}

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

.page-news .page-news__post-summary:hover {
  background: var(--ds-grey);
}

.page-news .page-news__post-summary:focus-visible {
  outline: 2px solid var(--ds-blue);
  outline-offset: 2px;
}

.page-news .page-news__post-num {
  flex: 0 0 auto;
  font-size: .75rem;
  color: var(--ds-mid);
}

.page-news .page-news__post-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: .9375rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ds-ink);
  transition: color .18s var(--ds-ease);
}

.page-news .page-news__post-details[open] .page-news__post-title {
  color: var(--ds-blue);
}

.page-news .page-news__post-time {
  flex: 0 0 auto;
  font-size: .6875rem;
  letter-spacing: .04em;
  color: var(--ds-mid);
  white-space: nowrap;
}

.page-news .page-news__post-mark {
  position: relative;
  flex: 0 0 auto;
  align-self: center;
  width: 12px;
  height: 12px;
}

.page-news .page-news__post-mark::before,
.page-news .page-news__post-mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 2px;
  margin-top: -1px;
  background: var(--ds-mid);
  transition: transform .22s var(--ds-ease), background-color .22s var(--ds-ease);
}

.page-news .page-news__post-mark::after {
  transform: rotate(90deg);
}

.page-news .page-news__post-details[open] .page-news__post-mark::before,
.page-news .page-news__post-details[open] .page-news__post-mark::after {
  background: var(--ds-orange);
}

.page-news .page-news__post-details[open] .page-news__post-mark::after {
  transform: rotate(0deg);
}

.page-news .page-news__post-body {
  max-width: 64ch;
  padding: 0 .5rem 1.15rem 1.6rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ds-ink);
}

.page-news .page-news__post-body p {
  margin: 0 0 .7rem;
}

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

.page-news .page-news__post-audience {
  padding-left: .75rem;
  border-left: 2px solid var(--ds-orange);
  font-size: .875rem;
  color: var(--ds-mid);
}

/* ---------- 专题 ---------- */
.page-news .page-news__topics {
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 8px;
  background: var(--ds-grey);
}

.page-news .page-news__topics-lead {
  margin: .6rem 0 1.25rem;
  max-width: 48ch;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--ds-mid);
}

.page-news .page-news__topics-figure {
  overflow: hidden;
  margin-bottom: 1.25rem;
  border-radius: var(--news-radius);
  background: var(--ds-navy);
}

.page-news .page-news__topics-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-news .page-news__topic-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 78%);
  gap: .85rem;
  margin: 0;
  padding: 0 0 .5rem;
  padding-left: 0;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-news .page-news__topic {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.1rem 1.1rem 1.25rem;
  border-top: 3px solid var(--ds-blue);
  border-radius: 0 0 var(--news-radius) var(--news-radius);
  background: var(--ds-paper);
  scroll-snap-align: start;
}

.page-news .page-news__topic-num {
  font-size: .6875rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ds-orange);
}

.page-news .page-news__topic h3 {
  margin: 0;
  font-family: var(--ds-serif);
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--ds-blue);
}

.page-news .page-news__topic p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ds-ink);
}

.page-news .page-news__topic .tag {
  align-self: flex-start;
  margin-top: .15rem;
}

@media (min-width: 760px) {
  .page-news .page-news__topic-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }
}

/* ---------- 更新说明 ---------- */
.page-news .page-news__versions {
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 8px;
  background: linear-gradient(165deg, var(--ds-blue) 0%, var(--ds-navy) 100%);
  color: var(--ds-paper);
}

.page-news .page-news__versions-head {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 720px) {
  .page-news .page-news__versions-head {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 1.75rem;
    align-items: end;
  }
}

.page-news .page-news__versions .section__eyebrow {
  color: var(--ds-orange-soft);
}

.page-news .page-news__versions .section__title {
  margin-top: .35rem;
  color: var(--ds-paper);
}

.page-news .page-news__versions-lead {
  margin: .6rem 0 0;
  max-width: 56ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(251, 252, 254, .78);
}

.page-news .page-news__versions-figure {
  overflow: hidden;
  border-radius: var(--news-radius);
}

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

.page-news .page-news__version-list {
  display: grid;
  gap: 1px;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  border-radius: var(--news-radius);
  overflow: hidden;
  background: rgba(220, 230, 247, .18);
}

.page-news .page-news__version {
  display: grid;
  gap: .4rem;
  padding: 1rem 1.1rem;
  background: rgba(6, 36, 92, .58);
}

@media (min-width: 700px) {
  .page-news .page-news__version {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
  }
}

.page-news .page-news__version-tag {
  font-size: .6875rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ds-orange-soft);
}

.page-news .page-news__version h3 {
  margin: 0 0 .35rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ds-paper);
}

.page-news .page-news__version p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(251, 252, 254, .76);
}

.page-news .page-news__versions-link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--ds-orange-soft);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .2s var(--ds-ease), color .2s var(--ds-ease);
}

.page-news .page-news__versions-link::after {
  content: "→";
  font-family: var(--ds-mono);
}

.page-news .page-news__versions-link:hover,
.page-news .page-news__versions-link:focus-visible {
  color: var(--ds-paper);
  border-bottom-color: var(--ds-orange);
}

/* ---------- 咨询入口 ---------- */
.page-news .page-news__cta {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-left: 4px solid var(--ds-blue);
  border-radius: 0 8px 8px 0;
  background: var(--ds-mist);
}

.page-news .page-news__cta h2 {
  margin: 0 0 .75rem;
  font-family: var(--ds-serif);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.35;
  color: var(--ds-blue);
}

.page-news .page-news__cta p {
  margin: 0 0 1.25rem;
  max-width: 56ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ds-ink);
}

.page-news .page-news__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* ---------- 显现动效 ---------- */
[data-js="on"] .page-news [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s var(--ds-ease), transform .5s var(--ds-ease);
}

[data-js="on"] .page-news [data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal],
  [data-js="on"] .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-news .page-news__post-mark::before,
  .page-news .page-news__post-mark::after {
    transition: none;
  }
}