.page-news {
  --news-rail-w: 208px;
  --news-muted: rgba(201, 212, 230, .78);
  --news-gap: clamp(28px, 5vw, 44px);
  display: block;
  overflow-x: clip;
  background: var(--bd-navy);
  color: var(--bd-white);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(46px, 8vw, 104px) 0 clamp(44px, 6vw, 78px);
  background:
    radial-gradient(115% 92% at 88% 4%, rgba(30, 79, 216, .55), transparent 60%),
    radial-gradient(90% 74% at 4% 98%, rgba(23, 195, 162, .16), transparent 62%),
    linear-gradient(158deg, #081A38 0%, #0B2247 56%, #12306B 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: 58%;
  aspect-ratio: 1 / 1;
  border-radius: 44% 56% 38% 62% / 52% 40% 60% 48%;
  background: linear-gradient(150deg, rgba(91, 141, 255, .3), rgba(23, 195, 162, .1) 62%, transparent 82%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--bd-font-index);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bd-silver);
}

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

.page-news .news-hero__crumb a:hover,
.page-news .news-hero__crumb a:focus-visible {
  color: var(--bd-white);
  border-bottom-color: var(--bd-teal);
}

.page-news .news-hero__crumb span[aria-current] {
  color: var(--bd-white);
}

.page-news .news-hero__eyebrow {
  margin: 30px 0 0;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  max-width: 19ch;
  font-family: var(--bd-font-display);
  font-weight: 220;
  font-size: clamp(2.2rem, 6.2vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--bd-white);
}

.page-news .news-hero__lede {
  margin: 26px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .news-hero__stats {
  list-style: none;
  margin: 44px 0 0;
  padding: 26px 0 0;
  border-top: 1px solid var(--bd-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 22px;
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--bd-line-strong);
}

.page-news .news-hero__stats li:nth-child(1) { border-left-color: var(--bd-teal); }
.page-news .news-hero__stats li:nth-child(2) { border-left-color: var(--bd-blue-soft); }
.page-news .news-hero__stats li:nth-child(3) { border-left-color: var(--bd-amber); }
.page-news .news-hero__stats li:nth-child(4) { border-left-color: var(--bd-orange); }

.page-news .news-stat__num {
  font-family: var(--bd-font-index);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--bd-white);
}

.page-news .news-stat__label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--bd-silver);
}

/* ---------- 主布局：左吸附轨 + 右内容流 ---------- */
.page-news .news-layout {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--bd-container);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 80px) var(--bd-gutter) clamp(56px, 8vw, 110px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

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

.page-news .news-rail {
  align-self: start;
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  font-family: var(--bd-font-index);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bd-silver);
}

.page-news .news-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: var(--bd-r-sm);
  white-space: nowrap;
  text-decoration: none;
  font-size: 14px;
  color: var(--bd-silver);
  transition: color .25s var(--bd-ease), background-color .25s var(--bd-ease), border-color .25s var(--bd-ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  color: var(--bd-white);
  background: rgba(30, 79, 216, .18);
  border-color: rgba(91, 141, 255, .45);
}

.page-news .news-rail__num {
  font-family: var(--bd-font-index);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--bd-blue-soft);
}

/* ---------- 通用区块 ---------- */
.page-news .news-sec {
  padding: clamp(30px, 4.5vw, 52px) 0;
  border-top: 1px solid var(--bd-line);
}

.page-news .news-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .news-sec__head {
  max-width: 66ch;
}

.page-news .news-sec__title {
  margin: 10px 0 14px;
  font-family: var(--bd-font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--bd-white);
}

.page-news .bd-prose {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .news-sec__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

/* ---------- 图片位 ---------- */
.page-news .news-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-r-lg);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(18, 48, 107, .9), rgba(8, 26, 56, .9));
}

.page-news .news-figure--tight {
  margin-top: 0;
}

.page-news .bd-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .bd-media__caption {
  margin: 0;
  padding: 12px 18px 16px;
  font-family: var(--bd-font-index);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--bd-silver);
}

/* ---------- 产品线专题线 ---------- */
.page-news .news-lines {
  list-style: none;
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-lines__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-r);
  background: linear-gradient(150deg, rgba(18, 48, 107, .62), rgba(8, 26, 56, .5));
  transition: transform .3s var(--bd-ease), border-color .3s var(--bd-ease), box-shadow .3s var(--bd-ease);
}

.page-news .news-lines__item:hover {
  transform: translateY(-4px);
  border-color: rgba(91, 141, 255, .5);
  box-shadow: var(--bd-shadow);
}

.page-news .news-lines__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--bd-blue-soft);
  box-shadow: 0 0 0 4px rgba(91, 141, 255, .14);
}

.page-news .news-lines__dot--teal {
  background: var(--bd-teal);
  box-shadow: 0 0 0 4px rgba(23, 195, 162, .14);
}

.page-news .news-lines__dot--amber {
  background: var(--bd-amber);
  box-shadow: 0 0 0 4px rgba(255, 176, 32, .14);
}

.page-news .news-lines__dot--orange {
  background: var(--bd-orange);
  box-shadow: 0 0 0 4px rgba(255, 91, 46, .14);
}

.page-news .news-lines__dot--silver {
  background: var(--bd-silver);
  box-shadow: 0 0 0 4px rgba(201, 212, 230, .14);
}

.page-news .news-lines__main {
  flex: 1 1 auto;
  min-width: 0;
}

.page-news .news-lines__name {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--bd-white);
}

.page-news .news-lines__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-muted);
}

.page-news .news-lines__ver {
  flex: none;
  align-self: center;
  padding: 4px 10px;
  border: 1px solid var(--bd-line-strong);
  border-radius: var(--bd-r-pill);
  font-family: var(--bd-font-index);
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
  color: var(--bd-silver);
}

/* ---------- 本期迭代要点 ---------- */
.page-news .news-iter {
  margin-top: clamp(24px, 3.5vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-news .news-iter__tabs-wrap {
  min-width: 0;
}

.page-news .news-iter__tabs {
  display: flex;
  gap: 6px;
  padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-r-pill);
  background: rgba(18, 48, 107, .55);
  scrollbar-width: thin;
}

.page-news .news-iter__tab {
  flex: none;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--bd-r-pill);
  background: transparent;
  font-family: var(--bd-font-body);
  font-size: 14px;
  color: var(--bd-silver);
  cursor: pointer;
  transition: color .25s var(--bd-ease), background-color .25s var(--bd-ease), border-color .25s var(--bd-ease);
}

.page-news .news-iter__tab:hover,
.page-news .news-iter__tab:focus-visible {
  color: var(--bd-white);
  border-color: rgba(91, 141, 255, .5);
}

.page-news .news-iter__tab[aria-selected="true"] {
  background: var(--bd-blue);
  border-color: var(--bd-blue-soft);
  color: var(--bd-white);
}

.page-news .news-iter__panel {
  margin-top: 24px;
}

.page-news .news-iter__panel[hidden] {
  display: none;
}

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

.page-news .news-log__item {
  padding: 18px 20px 20px;
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-r);
  background: rgba(11, 34, 71, .55);
  transition: border-color .3s var(--bd-ease), transform .3s var(--bd-ease);
}

.page-news .news-log__item:hover {
  transform: translateY(-3px);
  border-color: rgba(23, 195, 162, .45);
}

.page-news .news-log__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .news-log__ver {
  font-family: var(--bd-font-index);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--bd-amber);
}

.page-news .news-log__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--bd-white);
}

.page-news .news-log__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-muted);
}

.page-news .news-log__meta {
  margin: 12px 0 0;
  font-family: var(--bd-font-index);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--bd-silver);
}

.page-news .news-iter__foot {
  margin: 18px 0 0;
}

.page-news .news-iter__link {
  display: inline-block;
  font-size: 14px;
  color: var(--bd-blue-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 141, 255, .45);
  padding-bottom: 2px;
  transition: color .25s var(--bd-ease), border-color .25s var(--bd-ease);
}

.page-news .news-iter__link:hover,
.page-news .news-iter__link:focus-visible {
  color: var(--bd-white);
  border-bottom-color: var(--bd-teal);
}

.page-news .news-iter__aside {
  display: block;
}

/* ---------- 资料库新增 ---------- */
.page-news .news-lib {
  margin-top: clamp(24px, 3.5vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 40px);
}

.page-news .news-lib__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-lib__item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 18px 20px;
  border-left: 2px solid var(--bd-blue-soft);
  border-radius: 0 var(--bd-r) var(--bd-r) 0;
  background: linear-gradient(120deg, rgba(30, 79, 216, .2), rgba(8, 26, 56, 0) 78%);
}

.page-news .news-lib__num {
  flex: none;
  min-width: 2.4ch;
  font-family: var(--bd-font-index);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 500;
  line-height: 1.05;
  color: var(--bd-white);
}

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

.page-news .news-lib__name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 500;
  color: var(--bd-white);
}

.page-news .news-lib__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--news-muted);
}

/* ---------- 归集公告 ---------- */
.page-news .news-notices {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 10px;
}

.page-news .news-notice {
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-r);
  background: rgba(11, 34, 71, .5);
  overflow: hidden;
}

.page-news .news-notice .bd-details__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--bd-white);
  cursor: pointer;
}

.page-news .news-notice .bd-details__summary::-webkit-details-marker {
  display: none;
}

.page-news .news-notice .bd-details__summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--bd-font-index);
  font-size: 15px;
  color: var(--bd-teal);
}

.page-news .news-notice[open] .bd-details__summary::after {
  content: "−";
}

.page-news .news-notice .bd-details__body {
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-muted);
}

.page-news .news-notice .bd-details__body p {
  margin: 0;
}

/* ---------- 往期专题检索 ---------- */
.page-news .news-archive {
  list-style: none;
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .news-archive__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-r-lg);
  background: linear-gradient(160deg, rgba(18, 48, 107, .7), rgba(8, 26, 56, .55));
}

.page-news .news-archive__time {
  font-family: var(--bd-font-index);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--bd-teal);
}

.page-news .news-archive__title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--bd-white);
}

.page-news .news-archive__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--news-muted);
}

.page-news .news-archive__link {
  margin-top: auto;
  font-size: 14px;
  color: var(--bd-blue-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 141, 255, .4);
  align-self: flex-start;
  padding-bottom: 2px;
  transition: color .25s var(--bd-ease), border-color .25s var(--bd-ease);
}

.page-news .news-archive__link:hover,
.page-news .news-archive__link:focus-visible {
  color: var(--bd-white);
  border-bottom-color: var(--bd-teal);
}

/* ---------- 更新提醒 ---------- */
.page-news .news-sec--subscribe {
  border-top: 0;
  padding-bottom: 0;
}

.page-news .news-sub {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4.5vw, 52px);
  border: 1px solid rgba(91, 141, 255, .35);
  border-radius: var(--bd-r-lg);
  background:
    radial-gradient(120% 140% at 96% 0%, rgba(30, 79, 216, .55), transparent 58%),
    linear-gradient(150deg, rgba(18, 48, 107, .95), rgba(8, 26, 56, .95));
}

.page-news .news-sub::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -34%;
  width: 40%;
  aspect-ratio: 1 / 1;
  border-radius: 52% 48% 40% 60% / 58% 42% 58% 42%;
  background: linear-gradient(140deg, rgba(255, 91, 46, .26), rgba(23, 195, 162, .16) 70%, transparent);
  pointer-events: none;
}

.page-news .news-sub .bd-eyebrow,
.page-news .news-sub__title,
.page-news .news-sub .bd-prose,
.page-news .news-sub__actions {
  position: relative;
  z-index: 1;
}

.page-news .news-sub__title {
  margin: 10px 0 14px;
  max-width: 22ch;
  font-family: var(--bd-font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--bd-white);
}

.page-news .news-sub .bd-prose {
  max-width: 58ch;
}

.page-news .news-sub__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-news .news-archive {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 68px);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--bd-header-h) + 28px);
  }

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-news .news-rail__link {
    margin-left: -1px;
    border-radius: 0 var(--bd-r-sm) var(--bd-r-sm) 0;
    border-left: 2px solid transparent;
  }
}

@media (min-width: 1080px) {
  .page-news .news-iter {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-news .news-lib {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }
}

@media (max-width: 480px) {
  .page-news .news-hero__title {
    font-size: 2rem;
  }

  .page-news .news-hero__stats {
    gap: 16px;
  }

  .page-news .news-lines__item {
    flex-wrap: wrap;
  }

  .page-news .news-lines__ver {
    align-self: flex-start;
  }

  .page-news .news-lib__item {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-lines__item,
  .page-news .news-log__item,
  .page-news .news-rail__link,
  .page-news .news-iter__tab,
  .page-news .news-archive__link,
  .page-news .news-iter__link {
    transition: none;
  }

  .page-news .news-lines__item:hover,
  .page-news .news-log__item:hover {
    transform: none;
  }
}