.page-news {
  --pn-ver: var(--cyan);
  --pn-pol: var(--gold);
  --pn-srv: var(--blue);
  --pn-trn: var(--violet);
  --pn-gap: clamp(18px, 3.4vw, 32px);
  color: var(--text);
  padding-bottom: clamp(56px, 9vw, 108px);
}

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

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 6px;
  font-size: 13px;
  color: var(--text-dim);
}

.page-news .breadcrumbs a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color .25s var(--ease);
}

.page-news .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-news .breadcrumbs [aria-current] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .pn-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pn-gap);
  padding: 24px 0 34px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .pn-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 74px);
  line-height: 1.03;
  letter-spacing: -.02em;
  margin: 12px 0 18px;
  max-width: 16ch;
}

.page-news .pn-hero .lede {
  max-width: 62ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .pn-board {
  position: relative;
  padding: 22px;
  border-radius: var(--r-l);
  border: 1px solid var(--line);
  background: var(--grad-soft), var(--ink-800);
  box-shadow: inset 0 1px 0 rgba(232, 243, 255, .06);
}

.page-news .pn-board__title {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.page-news .pn-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .pn-board__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .pn-board__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .pn-board__k {
  font-size: 14px;
  color: var(--text-dim);
}

.page-news .pn-board__v {
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  white-space: nowrap;
}

/* ---------- 栏目索引 ---------- */
.page-news .pn-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0 0;
}

.page-news .pn-index .index-band__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  color: var(--text);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
}

.page-news .pn-index .index-band__link:hover {
  border-color: var(--cyan-deep);
  background: var(--ink-700);
  transform: translateY(-1px);
}

.page-news .pn-index .index-band__num {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-news .pn-index__n {
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(23, 224, 208, .12);
  color: var(--cyan);
}

/* ---------- 筛选 ---------- */
.page-news .pn-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0 0;
}

.page-news .pn-filter .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-news .pn-filter .filter-btn:hover {
  color: var(--text);
  border-color: var(--cyan-deep);
}

.page-news .pn-filter .filter-btn[aria-pressed="true"] {
  color: var(--text);
  border-color: var(--violet);
  box-shadow: inset 0 0 0 1px var(--violet), 0 0 20px rgba(178, 107, 255, .26);
}

.page-news .pn-filter__n {
  font-size: 11px;
  color: inherit;
  opacity: .78;
}

.page-news [data-tag].is-filtered-out {
  display: none;
}

/* ---------- 区块骨架 ---------- */
.page-news .pn-section {
  padding-top: clamp(44px, 7vw, 82px);
}

.page-news .pn-head {
  max-width: 68ch;
}

.page-news .pn-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.18;
  letter-spacing: -.015em;
  margin: 10px 0 14px;
}

.page-news .pn-lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 64ch;
}

.page-news .pn-media {
  margin: 26px 0 0;
  border-radius: var(--r-l);
  overflow: hidden;
}

.page-news .pn-media--policy {
  margin-top: 22px;
}

.page-news .pn-media--service {
  margin-top: 22px;
}

/* ---------- 版本时间线 ---------- */
.page-news .pn-timeline {
  position: relative;
  display: grid;
  gap: 12px;
  margin-top: 26px;
  padding-left: 24px;
}

.page-news .pn-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(23, 224, 208, .22) 70%, rgba(23, 224, 208, 0) 100%);
}

.page-news .pn-ver {
  position: relative;
  border-radius: var(--r-m);
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
  transition: background .3s var(--ease), border-color .3s var(--ease);
}

.page-news .pn-ver::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 24px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan-deep);
  transition: background .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.page-news .pn-ver.is-in::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 5px rgba(23, 224, 208, .13);
}

.page-news .pn-ver:hover {
  border-color: var(--line);
}

.page-news .pn-ver[open] {
  background: var(--ink-700);
  border-color: var(--line);
}

.page-news .pn-ver__sum {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 14px;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-news .pn-ver__sum::-webkit-details-marker {
  display: none;
}

.page-news .pn-ver__code {
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--text-dim);
}

.page-news .pn-ver__title {
  grid-column: 1 / -1;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.45;
}

.page-news .pn-ver__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line-soft);
}

.page-news .pn-ver__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 64ch;
}

.page-news .pn-ver__affect {
  color: var(--cyan) !important;
  font-size: 12.5px !important;
  letter-spacing: .04em;
}

.page-news .pn-tag {
  justify-self: end;
  font-size: 11.5px;
  line-height: 1.6;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-news .pn-tag--version { color: var(--cyan); }
.page-news .pn-tag--policy { color: var(--gold); }
.page-news .pn-tag--service { color: var(--blue); }
.page-news .pn-tag--training { color: var(--violet); }

/* ---------- 政策卡片 ---------- */
.page-news .pn-grid2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-news .pn-policy {
  position: relative;
  padding: 22px 22px 24px;
  border-radius: var(--r-m);
  border: 1px solid rgba(242, 180, 68, .22);
  background: linear-gradient(158deg, rgba(242, 180, 68, .11) 0%, rgba(11, 35, 64, .94) 56%);
}

.page-news .pn-policy__meta {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--gold);
}

.page-news .pn-policy__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.42;
}

.page-news .pn-policy__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .pn-more {
  margin: 22px 0 0;
}

.page-news .pn-more__link {
  display: inline-block;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 224, 208, .4);
  padding-bottom: 2px;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}

.page-news .pn-more__link:hover {
  color: var(--text);
  border-color: var(--text);
}

/* ---------- 服务动态 ---------- */
.page-news .pn-svc {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-news .pn-svc__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 22px;
  border-radius: var(--r-m);
  background: var(--ink-800);
  border-left: 3px solid var(--pn-srv);
}

.page-news .pn-svc__key {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: .02em;
}

.page-news .pn-svc__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17.5px;
  line-height: 1.42;
}

.page-news .pn-svc__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 64ch;
}

/* ---------- 培训 ---------- */
.page-news .pn-train {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
}

.page-news .pn-train__media {
  margin: 0;
  border-radius: var(--r-l);
  overflow: hidden;
}

.page-news .pn-train__list {
  display: grid;
  gap: 14px;
}

.page-news .pn-train__item {
  padding: 20px 22px;
  border-radius: var(--r-m);
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(178, 107, 255, .09) 0%, rgba(11, 35, 64, .9) 62%);
}

.page-news .pn-train__idx {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--violet);
  letter-spacing: .08em;
}

.page-news .pn-train__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.42;
}

.page-news .pn-train__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

/* ---------- 收尾 ---------- */
.page-news .pn-section--last {
  padding-top: clamp(52px, 8vw, 96px);
}

.page-news .pn-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: clamp(26px, 4.4vw, 46px);
  border-radius: var(--r-l);
  border: 1px solid var(--line);
  background: var(--grad-soft), var(--ink-800);
}

.page-news .pn-cta__text {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 58ch;
}

.page-news .pn-cta__mail {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--cyan);
  word-break: break-all;
}

.page-news .pn-cta__note {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
}

.page-news .pn-cta__side {
  display: grid;
  gap: 10px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .pn-svc__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 6px 22px;
    align-items: baseline;
  }

  .page-news .pn-svc__key {
    text-align: right;
  }
}

@media (min-width: 860px) {
  .page-news .pn-grid2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .pn-cta {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, .85fr);
    align-items: center;
  }

  .page-news .pn-train {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .pn-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, .85fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: end;
    padding: 40px 0 54px;
  }

  .page-news .pn-h1 {
    margin-left: -0.5%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pn-ver::before,
  .page-news .pn-index .index-band__link,
  .page-news .pn-filter .filter-btn {
    transition: none;
  }
}