.page-news {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-news h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
}

.page-news h3 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0;
}

.page-news h4 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: var(--line) solid var(--ink);
  background:
    linear-gradient(158deg, var(--shell) 0%, var(--paper) 52%, var(--petro) 100%);
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  mix-blend-mode: multiply;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  padding: clamp(26px, 5vw, 60px) var(--gutter) clamp(30px, 5vw, 64px);
  max-width: 1180px;
}

.page-news .news-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 0.96;
}

.page-news .news-hero__title-main {
  display: block;
  font-size: clamp(38px, 9vw, 104px);
}

.page-news .news-hero__title-sub {
  display: block;
  margin-top: 10px;
  font-size: clamp(20px, 4.2vw, 42px);
  font-weight: 300;
  color: var(--ochre-deep);
}

.page-news .news-hero__num {
  font-family: var(--font-mono);
  font-style: normal;
  font-weight: 700;
  font-size: 1.5em;
  line-height: 0;
  color: var(--goji);
  letter-spacing: -0.04em;
}

.page-news .news-hero__lead {
  max-width: 60ch;
  margin: 26px 0 0;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.85;
  color: var(--ink);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: var(--line) solid var(--ink);
  background: var(--shell);
  box-shadow: var(--shadow-soft);
}

.page-news .news-hero__meta-k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ochre-deep);
}

.page-news .news-hero__meta-v {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

/* ---------- 粘性筛选 ---------- */
.page-news .news-filter {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 12px var(--gutter);
  background: var(--shell);
  border-bottom: var(--line) solid var(--ink);
}

.page-news .news-filter__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ochre-deep);
  margin-right: 2px;
}

.page-news .news-filter__link {
  display: inline-block;
  padding: 5px 12px;
  border: var(--line) solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .news-filter__link:hover,
.page-news .news-filter__link:focus-visible {
  background: var(--sand);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

/* ---------- 最新一期 ---------- */
.page-news .news-latest {
  padding: clamp(32px, 5vw, 68px) var(--gutter);
  background: var(--paper);
}

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

.page-news .news-latest__note {
  margin: 14px 0 0;
  font-size: 15px;
  color: var(--river);
}

.page-news .news-latest__grid {
  margin-top: clamp(24px, 4vw, 40px);
  border-top: var(--line) solid var(--ink);
}

.page-news .news-point {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 22px 0;
  border-bottom: var(--line) solid var(--ink);
}

.page-news .news-point__no {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  color: var(--ochre);
}

.page-news .news-point__title {
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.3;
}

.page-news .news-point__text {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  color: var(--ink);
}

.page-news .news-point .tag {
  justify-self: start;
}

/* ---------- 时间轴 ---------- */
.page-news .news-timeline {
  padding: clamp(32px, 5vw, 68px) var(--gutter);
  background: var(--shell);
  border-top: var(--line) solid var(--ink);
  border-bottom: var(--line) solid var(--ink);
}

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

.page-news .news-timeline__intro {
  margin: 14px 0 0;
  font-size: 15.5px;
  color: var(--river);
}

.page-news .news-chart {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.page-news .news-chart .figure__media,
.page-news .news-legend .figure__media,
.page-news .news-stamp .figure__media {
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: var(--petro);
}

.page-news .news-chart img,
.page-news .news-legend img,
.page-news .news-stamp img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-chart .figure__caption,
.page-news .news-legend .figure__caption,
.page-news .news-stamp .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--river);
}

.page-news .news-group {
  margin-top: clamp(30px, 4.5vw, 52px);
}

.page-news .news-group__title {
  display: inline-block;
  padding: 5px 14px;
  background: var(--ochre);
  color: var(--shell);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.page-news .news-group__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 0;
  border-left: var(--line) solid var(--ink);
}

.page-news .news-issue {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0 18px 14px;
  border-bottom: var(--line) solid var(--petro);
  scroll-margin-top: calc(var(--header-h) + 84px);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .news-issue:target {
  background: var(--petro);
  box-shadow: inset 6px 0 0 var(--goji);
}

.page-news .news-issue:hover {
  background: rgba(227, 195, 165, 0.45);
}

.page-news .news-issue__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 34px;
  border: var(--line) solid var(--ink);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  color: var(--ochre-deep);
}

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

.page-news .news-issue__title {
  font-size: 16px;
  line-height: 1.5;
}

.page-news .news-issue__desc {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(34, 26, 21, 0.86);
}

.page-news .news-issue__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 10px;
}

.page-news .news-issue__scope {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--river);
}

/* ---------- 主题索引 ---------- */
.page-news .news-topics {
  padding: clamp(32px, 5vw, 68px) var(--gutter);
  background: var(--paper);
}

.page-news .news-topics__head {
  max-width: 70ch;
}

.page-news .news-topics__intro {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-news .news-topics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .news-legend {
  margin: 0;
  align-self: start;
}

.page-news .news-topics__rows {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .news-topic {
  padding: 20px 18px;
  border: var(--line) solid var(--ink);
  background: var(--shell);
  box-shadow: var(--shadow-soft);
  scroll-margin-top: calc(var(--header-h) + 84px);
}

.page-news .news-topic:target {
  box-shadow: var(--shadow-hard);
  background: var(--sand);
}

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

.page-news .news-topic__head h3 {
  font-size: 19px;
  line-height: 1.3;
}

.page-news .news-topic__swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: var(--line) solid var(--ink);
  flex: none;
}

.page-news .news-topic__swatch--ochre { background: var(--ochre); }
.page-news .news-topic__swatch--river { background: var(--river); }
.page-news .news-topic__swatch--goji { background: var(--goji); }
.page-news .news-topic__swatch--sand { background: var(--sand); }

.page-news .news-topic__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ochre-deep);
  white-space: nowrap;
}

.page-news .news-topic__desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-news .news-topic__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-topic__list a {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-topic__list a:hover,
.page-news .news-topic__list a:focus-visible {
  background: var(--ink);
  color: var(--shell);
}

/* ---------- 公告结构 ---------- */
.page-news .news-anatomy {
  padding: clamp(32px, 5vw, 68px) var(--gutter);
  background: var(--night);
  color: var(--shell);
  border-top: var(--line) solid var(--ink);
  border-bottom: var(--line) solid var(--ink);
}

.page-news .news-anatomy h2 {
  color: var(--shell);
}

.page-news .news-anatomy .section-label {
  color: var(--sand);
}

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

.page-news .news-anatomy__intro {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(251, 246, 236, 0.82);
}

.page-news .news-anatomy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .news-part {
  padding: 22px 20px 24px;
  border: var(--line) solid var(--shell);
  background: rgba(251, 246, 236, 0.06);
}

.page-news .news-part__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  padding: 2px 8px;
  background: var(--goji);
  color: var(--shell);
}

.page-news .news-part__title {
  margin-top: 14px;
  font-size: 20px;
  color: var(--shell);
}

.page-news .news-part p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(251, 246, 236, 0.8);
}

/* ---------- 版本节点 ---------- */
.page-news .news-version {
  padding: clamp(32px, 5vw, 68px) var(--gutter);
  background: var(--paper);
}

.page-news .news-version__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .news-milestones {
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--line) solid var(--ink);
}

.page-news .news-milestones__item {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: var(--line) solid var(--petro);
}

.page-news .news-milestones__year {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ochre);
  letter-spacing: -0.02em;
}

.page-news .news-milestones__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

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

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

.page-news .news-version__note {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--river);
}

.page-news .news-version__note a {
  color: var(--ochre-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-version__note a:hover,
.page-news .news-version__note a:focus-visible {
  color: var(--goji);
}

/* ---------- 更新提醒 ---------- */
.page-news .news-subscribe {
  padding: clamp(32px, 5vw, 68px) var(--gutter);
  background: var(--shell);
  border-top: var(--line) solid var(--ink);
}

.page-news .news-subscribe__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 44px);
}

.page-news .news-subscribe__lead p {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
}

.page-news .news-subscribe__box {
  padding: 24px 20px;
  border: var(--line) solid var(--ink);
  background: var(--petro);
  box-shadow: var(--shadow-hard);
}

.page-news .news-subscribe__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ochre-deep);
}

.page-news .news-subscribe__mail {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3vw, 21px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  word-break: break-all;
}

.page-news .news-subscribe__note {
  margin: 12px 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(34, 26, 21, 0.85);
}

.page-news .news-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: 20px;
  border-top: var(--line) solid var(--ink);
}

.page-news .news-links__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ochre-deep);
}

.page-news .news-links__item {
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--ochre);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-links__item:hover,
.page-news .news-links__item:focus-visible {
  color: var(--goji);
  border-color: var(--goji);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-point {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-news .news-point .tag {
    grid-column: 2;
  }

  .page-news .news-issue {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 20px;
    padding-left: 20px;
  }

  .page-news .news-issue__no {
    height: 40px;
    font-size: 18px;
  }

  .page-news .news-anatomy__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1080px) {
  .page-news .news-filter {
    top: 0;
    padding-inline: clamp(24px, 3vw, 44px);
  }

  .page-news .news-hero__inner {
    padding-inline: clamp(28px, 4vw, 60px);
  }

  .page-news .news-latest,
  .page-news .news-timeline,
  .page-news .news-topics,
  .page-news .news-anatomy,
  .page-news .news-version,
  .page-news .news-subscribe {
    padding-inline: clamp(28px, 4vw, 60px);
  }

  .page-news .news-point {
    grid-template-columns: 104px minmax(0, 1fr) 140px;
    gap: 28px;
    padding: 26px 0;
  }

  .page-news .news-point .tag {
    grid-column: 3;
    justify-self: end;
  }

  .page-news .news-topics__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

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

  .page-news .news-version__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
  }

  .page-news .news-subscribe__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .news-milestones__item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 24px;
  }

  .page-news .news-milestones__year {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-filter__link,
  .page-news .news-issue,
  .page-news .news-topic__list a,
  .page-news .news-links__item {
    transition: none;
  }

  .page-news .news-filter__link:hover,
  .page-news .news-filter__link:focus-visible {
    transform: none;
  }
}