.page-news {
  --news-lead: #C6DAE4;
  display: block;
  color: var(--mist);
  font-family: var(--font-cn);
}

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

.page-news section[id],
.page-news .news-group[id] {
  scroll-margin-top: 104px;
}

.page-news .breadcrumb {
  padding: 20px 0 0;
  font-size: 13px;
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4.6vw, 62px) 0 clamp(34px, 5.4vw, 76px);
  background:
    radial-gradient(110% 90% at 88% -18%, rgba(0, 229, 199, .18), transparent 62%),
    radial-gradient(80% 70% at -12% 118%, rgba(255, 122, 69, .12), transparent 60%),
    var(--trench);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::before,
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 16px);
  opacity: .55;
  pointer-events: none;
}

.page-news .news-hero::before { top: 0; }
.page-news .news-hero::after { bottom: 0; }

.page-news .news-hero-grid {
  display: grid;
  gap: clamp(24px, 3.2vw, 46px);
  align-items: center;
}

.page-news .news-hero h1 {
  margin: .35em 0 .5em;
  font-size: clamp(28px, 5.2vw, 54px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-news .news-hero-lead {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--news-lead);
}

.page-news .news-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--steel);
}

.page-news .news-hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--cyan);
}

.page-news .news-hero-meta .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--mist);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hero-media {
  position: relative;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, var(--card-top), var(--card-bot));
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
}

.page-news .news-hero-media::before,
.page-news .news-hero-media::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--cyan);
}

.page-news .news-hero-media::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-news .news-hero-media::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-news .news-hero-media img {
  width: 100%;
  border-radius: calc(var(--r) - 3px);
}

.page-news .media-caption {
  padding: 10px 4px 2px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 通用区块头 ---------- */
.page-news .news-feed,
.page-news .news-topics,
.page-news .news-docs,
.page-news .news-service,
.page-news .news-cta {
  padding: clamp(38px, 6vw, 86px) 0;
}

.page-news .news-section-head {
  max-width: 70ch;
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-news .news-section-head h2 {
  margin: .22em 0 .5em;
  font-size: clamp(22px, 3.2vw, 36px);
  font-weight: 700;
  line-height: 1.28;
  color: var(--mist);
}

.page-news .news-section-lead {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--news-lead);
}

/* ---------- 动态目录 ---------- */
.page-news .news-feed-layout {
  display: grid;
  gap: clamp(20px, 3vw, 42px);
}

.page-news .news-filter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-filter-title {
  display: none;
}

.page-news .news-filter a {
  flex: 0 0 auto;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--steel);
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-news .news-filter a:hover,
.page-news .news-filter a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0, 229, 199, .08);
}

.page-news .news-group + .news-group {
  margin-top: clamp(30px, 4vw, 50px);
}

.page-news .news-group-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--cyan);
}

.page-news .news-group-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

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

.page-news .news-item {
  padding: 16px 12px 16px 0;
  border-top: 1px solid var(--line);
  transition: background .3s var(--ease), padding-left .3s var(--ease);
}

.page-news .news-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .news-item:hover {
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(0, 229, 199, .07), transparent 72%);
}

.page-news .news-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--steel);
}

.page-news .news-index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan);
}

.page-news .news-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

.page-news .news-item-title {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 700;
  line-height: 1.5;
}

.page-news .news-item-title a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

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

.page-news .news-item-text {
  margin: 0;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-lead);
}

/* ---------- 版本专题 ---------- */
.page-news .news-topics {
  background: linear-gradient(180deg, transparent, rgba(11, 31, 58, .6) 30%, transparent);
}

.page-news .news-topics-layout {
  display: grid;
  gap: clamp(26px, 3.4vw, 46px);
}

.page-news .version-track {
  position: relative;
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
}

.page-news .version-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--line) 72%, transparent);
}

.page-news .version-node {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 34px) 6px;
}

.page-news .version-node:last-child {
  padding-bottom: 0;
}

.page-news .version-dot {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--sea);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 199, .12);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-news .version-node:hover .version-dot {
  transform: scale(1.25);
  box-shadow: 0 0 0 8px rgba(0, 229, 199, .2);
}

.page-news .version-year {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .version-title {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.9vw, 20px);
  line-height: 1.45;
  color: var(--mist);
}

.page-news .version-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-lead);
}

.page-news .news-topics-media {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, var(--card-top), var(--card-bot));
}

.page-news .news-topics-media img {
  width: 100%;
  border-radius: calc(var(--r) - 3px);
}

/* ---------- 资料与权益 ---------- */
.page-news .news-docs {
  background: linear-gradient(180deg, rgba(7, 20, 39, .92), rgba(11, 31, 58, .4));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-docs-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-news .news-docs-cards {
  display: grid;
  gap: 16px;
}

.page-news .news-doc-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-news .news-doc-card .card-title {
  font-size: clamp(17px, 2vw, 20px);
}

.page-news .news-doc-flags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: auto 0 0;
  padding-top: 6px;
  font-size: 12px;
  color: var(--steel);
}

.page-news .news-doc-link {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 199, .45);
}

.page-news .news-doc-link:hover,
.page-news .news-doc-link:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

.page-news .news-fold {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, var(--card-top), var(--card-bot));
}

.page-news .news-fold + .news-fold {
  margin-top: 12px;
}

.page-news .news-fold summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-fold summary::before {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-news .news-fold[open] summary::before {
  content: "－";
}

.page-news .news-fold[open] summary {
  border-bottom: 1px solid var(--line);
}

.page-news .news-fold-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 14px 16px 16px;
  list-style: none;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--news-lead);
}

.page-news .news-fold-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.page-news .news-fold-list .tag {
  flex: 0 0 auto;
  margin-top: 2px;
}

.page-news .news-fold-text {
  margin: 0;
  padding: 14px 16px 16px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--news-lead);
}

.page-news .news-docs-media {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, rgba(0, 229, 199, .08), transparent 65%), var(--card-bot);
}

.page-news .news-docs-media img {
  width: 100%;
  border-radius: calc(var(--r) - 3px);
}

/* ---------- 服务范围 ---------- */
.page-news .news-service-layout {
  display: grid;
  gap: clamp(24px, 3.2vw, 42px);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 24px;
}

.page-news .news-stats > div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, rgba(0, 229, 199, .07), transparent 62%);
}

.page-news .news-stats dt {
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}

.page-news .news-stats dd {
  margin: 8px 0 0;
  font-size: 15px;
  color: var(--mist);
}

.page-news .news-stats dd .mono {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: -.01em;
}

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

.page-news .news-service-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--news-lead);
}

.page-news .news-service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--orange);
}

.page-news .news-service-list strong {
  margin-right: 10px;
  color: var(--mist);
}

.page-news .news-service-media {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, var(--card-top), var(--card-bot));
}

.page-news .news-service-media img {
  width: 100%;
  border-radius: calc(var(--r) - 3px);
}

/* ---------- 对照与提醒 ---------- */
.page-news .news-cta {
  background:
    radial-gradient(70% 130% at 10% -10%, rgba(255, 122, 69, .15), transparent 62%),
    var(--trench);
  border-top: 1px solid var(--line);
}

.page-news .news-cta-inner {
  display: grid;
  gap: 22px;
}

.page-news .news-cta-copy h2 {
  margin: .25em 0 .6em;
  font-size: clamp(20px, 2.8vw, 30px);
  font-weight: 700;
  line-height: 1.36;
  color: var(--mist);
}

.page-news .news-cta-copy p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.88;
  color: var(--news-lead);
}

.page-news .news-cta-copy .mono {
  font-family: var(--font-mono);
  color: var(--cyan);
  word-break: break-all;
}

.page-news .news-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .news-docs-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-news .news-feed-layout {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .page-news .news-filter {
    position: sticky;
    top: 110px;
    align-self: start;
    flex-direction: column;
    gap: 10px;
    overflow: visible;
    padding: 0 0 0 14px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .news-filter-title {
    display: block;
    margin: 0 0 6px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: .14em;
    color: var(--steel);
  }

  .page-news .news-filter a {
    padding: 4px 0;
    border: 0;
    border-radius: 0;
    font-size: 13px;
  }

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

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-news .news-topics-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-news .news-service-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-news .news-docs-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  }

  .page-news .news-docs-cards {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-docs-accordion {
    grid-column: 1;
    grid-row: 2;
  }

  .page-news .news-docs-media {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-filter a,
  .page-news .news-item-title a,
  .page-news .version-dot {
    transition: none;
  }

  .page-news .version-node:hover .version-dot {
    transform: none;
  }
}