.page-news {
  --pv-cut: 22px;
  --pv-gap: 28px;
  --pv-radius: 2px;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 24px 0 56px;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(155deg, rgba(31, 110, 140, 0.32) 0%, rgba(11, 20, 24, 0) 58%),
    repeating-linear-gradient(to right, rgba(227, 230, 229, 0.06) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

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

.page-news .news-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: rgba(247, 246, 243, 0.62);
}

.page-news .news-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(247, 246, 243, 0.34);
}

.page-news .news-hero .breadcrumb a {
  color: var(--lake-bright);
  text-decoration: none;
}

.page-news .news-hero .breadcrumb a:hover {
  text-decoration: underline;
}

.page-news .news-hero__frame {
  position: relative;
  border: 1px solid var(--rail-line);
  padding: 26px 20px 30px;
  background: rgba(22, 37, 43, 0.6);
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: var(--pv-cut);
  height: var(--pv-cut);
  background: linear-gradient(to bottom left, var(--ink) 50%, transparent 50.5%);
  border-top: 1px solid var(--lake);
  border-right: 1px solid var(--lake);
}

.page-news .news-hero__frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 7px;
  background-image: repeating-linear-gradient(to right, var(--rail-line) 0 1px, transparent 1px 26px);
}

.page-news .news-hero__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lake-bright);
    font-family: var(--font-sans);
}

.page-news .news-hero h1 {
  margin: 0 0 16px;
  max-width: 20em;
  font-size: clamp(30px, 6.2vw, 52px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-news .news-hero__lead {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(247, 246, 243, 0.82);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

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

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  background: var(--ink);
}

.page-news .news-stat__num {
  font-size: 22px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-news .news-stat__cap {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(247, 246, 243, 0.6);
}

/* ---------- 公告区 ---------- */
.page-news .news-board {
  background: var(--paper);
  padding: 48px 0 56px;
}

.page-news .news-head {
  display: grid;
  gap: 26px;
  margin-bottom: 36px;
}

.page-news .news-head__text .section__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 4.6vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.page-news .news-head__text .section__lead {
  margin: 0 0 16px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-head__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-news .news-head__fig {
  margin: 0;
}

.page-news .news-head__fig .media__frame {
  position: relative;
  aspect-ratio: 1200 / 640;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
  clip-path: polygon(0 0, calc(100% - var(--pv-cut)) 0, 100% var(--pv-cut), 100% 100%, 0 100%);
}

.page-news .news-head__fig .media__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 纵向序号轨道 + 条目流 */
.page-news .board__stream {
  position: relative;
  display: grid;
  gap: 14px;
}

.page-news .board__stream::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 27px;
  width: 1px;
  background: var(--line);
}

.page-news .board__row {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  background: #fff;
  border: 1px solid var(--line);
}

.page-news .board__seq {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  padding: 18px 0 0;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
  background: var(--paper);
}

.page-news .board__trigger {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 16px 44px 16px 18px;
  border: 0;
  background: none;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
  position: relative;
}

.page-news .board__trigger:hover .board__title {
  color: var(--lake);
}

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

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

.page-news .board__title {
  display: block;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.01em;
  transition: color 180ms var(--ease);
}

.page-news .board__sum {
  display: block;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .board__trigger .accordion__mark {
  position: absolute;
  top: 22px;
  right: 18px;
}

.page-news .board__row .accordion__panel {
  grid-column: 2;
  grid-row: 2;
  border-top: 1px dashed var(--line);
}

.page-news .board__row .accordion__body {
  padding: 16px 20px 20px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .board__row .accordion__body p {
  margin: 0 0 12px;
}

.page-news .board__points,
.page-news .board__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .board__points li {
  position: relative;
  padding-left: 18px;
}

.page-news .board__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--ochre);
}

.page-news .board__steps {
  counter-reset: pstep;
}

.page-news .board__steps li {
  position: relative;
  padding-left: 46px;
  min-height: 34px;
  color: var(--slate);
}

.page-news .board__steps li::before {
  counter-increment: pstep;
  content: "0" counter(pstep);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  border: 1px solid var(--line);
  padding: 4px 7px;
  background: var(--paper);
}

.page-news .board__steps strong {
  color: var(--ink);
  font-weight: 700;
  margin-right: 6px;
}

.page-news .board__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.page-news .board__note a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 第二条高亮 */
.page-news .board__row--focus {
  background: linear-gradient(180deg, rgba(31, 110, 140, 0.1), rgba(31, 110, 140, 0.02));
  border-color: var(--lake);
  box-shadow: 0 10px 30px rgba(11, 20, 24, 0.08);
  clip-path: polygon(0 0, calc(100% - var(--pv-cut)) 0, 100% var(--pv-cut), 100% 100%, 0 100%);
}

.page-news .board__row--focus::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 30px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cinnabar);
  z-index: 2;
}

.page-news .board__row--focus .board__seq {
  background: transparent;
  color: var(--cinnabar);
  font-weight: 500;
}

.page-news .board__row--focus .board__title {
  font-size: 20px;
  color: var(--ink);
}

/* ---------- 版本迭代 ---------- */
.page-news .news-versions {
  background: var(--ink);
  color: var(--paper);
  padding: 52px 0 58px;
  position: relative;
}

.page-news .news-versions::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  background-image: repeating-linear-gradient(to right, var(--rail-line) 0 1px, transparent 1px 26px);
}

.page-news .news-versions__grid {
  display: grid;
  gap: 34px;
}

.page-news .news-versions .section__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 4.6vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-versions .section__label {
  color: var(--lake-bright);
}

.page-news .news-versions .section__lead {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(247, 246, 243, 0.72);
}

.page-news .news-versions__fig {
  margin: 0;
  order: 2;
}

.page-news .news-versions__fig .media__frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid var(--rail-line);
  background: var(--slate);
}

.page-news .news-versions__fig .media__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-versions .media__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(247, 246, 243, 0.5);
}

.page-news .news-versions__text {
  order: 1;
}

.page-news .vlist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rail-line);
}

.page-news .vlist__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rail-line);
}

.page-news .vlist__ver {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--gold);
  padding-top: 2px;
}

.page-news .vlist__body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .vlist__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 246, 243, 0.66);
}

/* ---------- 专题观察 ---------- */
.page-news .news-topics {
  background: var(--paper);
  padding: 52px 0 56px;
}

.page-news .news-topics .section__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 4.6vw, 34px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -0.02em;
}

.page-news .news-topics .section__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-topics__fig {
  margin: 28px 0 0;
}

.page-news .news-topics__fig .media__frame {
  aspect-ratio: 1400 / 760;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--lake-pale);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pv-cut)), calc(100% - var(--pv-cut)) 100%, 0 100%);
}

.page-news .news-topics__fig .media__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .topic-list {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .topic {
  padding: 20px 18px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--lake);
  position: relative;
}

.page-news .topic__tag {
  display: inline-block;
  margin-bottom: 10px;
}

.page-news .topic__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-news .topic p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 更新节奏 + 订阅 ---------- */
.page-news .news-cadence {
  background: var(--lake-pale);
  padding: 52px 0 60px;
}

.page-news .news-cadence__grid {
  display: grid;
  gap: 32px;
}

.page-news .news-cadence .section__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 4.6vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.page-news .news-cadence .section__lead {
  margin: 0 0 24px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .cadence-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(31, 110, 140, 0.22);
  border: 1px solid rgba(31, 110, 140, 0.22);
}

.page-news .cadence-item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--paper);
}

.page-news .cadence-item__num {
  font-size: 18px;
  font-weight: 500;
  color: var(--lake);
  letter-spacing: 0.02em;
}

.page-news .cadence-item__cap {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-news .news-cadence__fig {
  margin: 0;
}

.page-news .news-cadence__fig .media__frame {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid rgba(31, 110, 140, 0.28);
  background: var(--paper);
}

.page-news .news-cadence__fig .media__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-cadence__fig .media__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .news-subscribe {
  margin-top: 44px;
  padding-top: 30px;
  border-top: 1px solid rgba(31, 110, 140, 0.24);
}

.page-news .news-subscribe__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 3.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .news-subscribe__lead {
  margin: 0 0 20px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--slate);
}

.page-news .news-subscribe__acc {
  display: grid;
  gap: 1px;
  background: rgba(31, 110, 140, 0.24);
  border: 1px solid rgba(31, 110, 140, 0.24);
}

.page-news .news-subscribe__acc .accordion__item {
  background: var(--paper);
}

.page-news .news-subscribe__acc .accordion__trigger {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 16px;
  border: 0;
  background: none;
  text-align: left;
  font: inherit;
  cursor: pointer;
  color: var(--ink);
}

.page-news .news-subscribe__acc .accordion__index {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-news .news-subscribe__q {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
}

.page-news .news-subscribe__acc .accordion__body {
  padding: 0 16px 18px 64px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .news-subscribe__acc .accordion__body p {
  margin: 0;
}

.page-news .news-subscribe__acc .accordion__body a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-subscribe__acc .accordion__trigger:hover .news-subscribe__q {
  color: var(--lake);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding: 30px 0 66px;
  }

  .page-news .news-hero__frame {
    padding: 34px 34px 38px;
  }

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

  .page-news .news-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    align-items: start;
    gap: 40px;
  }

  .page-news .topic-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .board__trigger {
    padding: 18px 56px 18px 22px;
  }

  .page-news .board__row .accordion__body {
    padding: 18px 24px 24px 22px;
  }

  .page-news .news-subscribe__acc .accordion__trigger {
    padding: 18px 22px;
  }

  .page-news .news-subscribe__acc .accordion__body {
    padding: 0 22px 20px 70px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-versions {
    padding: 66px 0 72px;
  }

  .page-news .news-versions__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-versions__fig {
    position: sticky;
    top: 32px;
    order: 1;
  }

  .page-news .news-versions__text {
    order: 2;
  }

  .page-news .news-cadence__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 52px;
    align-items: start;
  }

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

  .page-news .news-subscribe__acc .accordion__item {
    grid-column: auto;
  }

  .page-news .news-subscribe__acc .accordion__panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .page-news .news-hero__frame {
    padding: 20px 16px 26px;
  }

  .page-news .board__stream::before {
    display: none;
  }

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

  .page-news .board__seq {
    grid-column: 1;
    grid-row: 1;
    align-self: auto;
    padding: 12px 0 0 18px;
    text-align: left;
    background: transparent;
  }

  .page-news .board__trigger {
    grid-column: 1;
    grid-row: 2;
    padding: 8px 44px 16px 18px;
  }

  .page-news .board__row .accordion__panel {
    grid-column: 1;
    grid-row: 3;
  }

  .page-news .board__row--focus::before {
    top: 16px;
    left: auto;
    right: 16px;
  }

  .page-news .vlist__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-news .board__steps li {
    padding-left: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .board__title {
    transition: none;
  }
}