.page-news {
  color: var(--silver);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: 72px;
}

.page-news .news-hero {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 26px 0 38px;
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: -70px -24px auto -24px;
  height: 340px;
  background:
    radial-gradient(70% 100% at 8% 0%, rgba(43, 232, 208, 0.16), transparent 62%),
    radial-gradient(58% 92% at 96% 6%, rgba(217, 106, 138, 0.13), transparent 66%);
  pointer-events: none;
}

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

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 7.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 10px 0 14px;
  max-width: 17em;
}

.page-news .news-lede {
  margin: 0;
  max-width: 36em;
  font-size: 15.5px;
  color: var(--silver);
}

.page-news .news-facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-facts > div {
  background: var(--deep);
  padding: 13px 10px;
}

.page-news .news-facts dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--mute);
}

.page-news .news-facts dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.2vw, 18px);
  letter-spacing: 0.02em;
  color: var(--white);
}

/* 置顶版本卡 */
.page-news .pin-card {
  display: grid;
  margin-top: 6px;
  background: var(--paper);
  color: var(--deep);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-news .pin-body {
  padding: 22px 20px 24px;
}

.page-news .pin-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #5b6879;
}

.page-news .pin-flag {
  background: var(--deep);
  color: var(--cyan);
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.08em;
}

.page-news .pin-body h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.8vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
  color: #0a1120;
}

.page-news .pin-body p {
  margin: 0 0 10px;
  font-size: 15.5px;
  color: #2a3546;
  max-width: 40em;
}

.page-news .pin-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: #55637a;
  border-top: 1px solid rgba(16, 24, 40, 0.16);
  padding-top: 12px;
  margin-top: 16px;
}

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

.page-news .pin-figure {
  margin: 0;
  min-height: 170px;
  background: var(--deep);
}

.page-news .pin-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* 区块标题 */
.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: baseline;
  margin: 0 0 18px;
}

.page-news .section-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.8vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0;
}

.page-news .section-note {
  margin: 0;
  font-size: 14px;
  color: var(--mute);
  max-width: 30em;
}

/* 筛选与更新列表 */
.page-news .updates {
  margin-top: 52px;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.page-news .filter-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--silver);
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background 160ms var(--ease);
}

.page-news .filter-chip:hover {
  border-color: var(--cyan);
  color: var(--white);
}

.page-news .filter-chip[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--cyan);
  color: var(--white);
}

.page-news .filter-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .upd-list {
  border-top: 1px solid var(--line);
}

.page-news .upd {
  position: relative;
  border-bottom: 1px solid var(--line);
}

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

.page-news .upd::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 180ms var(--ease);
}

.page-news .upd:hover::before,
.page-news .upd:focus-within::before,
.page-news .upd[open]::before {
  transform: scaleY(1);
}

.page-news .upd > summary {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "stage caret"
    "head head";
  gap: 10px 12px;
  padding: 16px 0 16px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .upd > summary::marker {
  content: "";
}

.page-news .upd > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .upd-stage {
  grid-area: stage;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mute);
}

.page-news .upd-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 1px;
  flex: none;
}

.page-news .upd-head {
  grid-area: head;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-news .upd-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 2px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  transition: background 160ms var(--ease), color 160ms var(--ease);
  flex: none;
}

.page-news .upd-tag--amber {
  color: var(--amber);
}

.page-news .upd-tag--rose {
  color: var(--rose);
}

.page-news .upd-tag--grass {
  color: var(--grass);
}

.page-news .upd-tag--cyan {
  color: var(--cyan);
}

.page-news .upd:hover .upd-tag--amber {
  background: var(--amber);
  color: var(--void);
}

.page-news .upd:hover .upd-tag--rose {
  background: var(--rose);
  color: var(--void);
}

.page-news .upd:hover .upd-tag--grass {
  background: var(--grass);
  color: var(--void);
}

.page-news .upd:hover .upd-tag--cyan {
  background: var(--cyan);
  color: var(--void);
}

.page-news .upd-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .upd-caret {
  grid-area: caret;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--mute);
  transition: transform 180ms var(--ease), color 160ms var(--ease);
}

.page-news .upd[open] .upd-caret {
  transform: rotate(45deg);
  color: var(--cyan);
}

.page-news .upd-body {
  padding: 0 0 20px 14px;
}

.page-news .upd-body p {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: 15px;
  color: var(--silver);
}

.page-news .upd-body .upd-link {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
}

.page-news .upd-body a,
.page-news .cadence-foot a,
.page-news .way a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 208, 0.35);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-news .upd-body a:hover,
.page-news .cadence-foot a:hover,
.page-news .way a:hover {
  border-color: var(--cyan);
  color: var(--white);
}

/* 功能说明块 */
.page-news .feature {
  display: grid;
  gap: 22px;
  margin-top: 52px;
  padding: 22px 20px;
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-news .feature-body h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 8px 0 12px;
}

.page-news .feature-body > p {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--silver);
  max-width: 38em;
}

.page-news .field-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .field-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--white);
  flex: none;
  min-width: 8.5em;
}

.page-news .field-val {
  font-size: 14px;
  color: var(--silver);
}

.page-news .feature-link {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-news .feature-link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 208, 0.35);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-news .feature-link a:hover {
  color: var(--white);
  border-color: var(--cyan);
}

.page-news .feature-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--void);
}

.page-news .feature-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news .feature-figure--tall img {
  max-height: 420px;
}

/* 专题归档 */
.page-news .topics {
  position: relative;
  margin-top: 56px;
}

.page-news .anno--side {
  display: none;
}

.page-news .topics-figure {
  margin: 0 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--void);
}

.page-news .topics-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news .topic-wall {
  display: grid;
  gap: 12px;
}

.page-news .topic {
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-news .topic:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: #182534;
}

.page-news .topic-count {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .topic-name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .topic-scope {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
}

/* 更新节奏 */
.page-news .cadence {
  margin-top: 56px;
}

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

.page-news .cadence-row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .cadence-time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-news .cadence-text {
  font-size: 15px;
  color: var(--silver);
  max-width: 44em;
}

.page-news .cadence-foot {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--mute);
  max-width: 46em;
}

/* 订阅与反馈 */
.page-news .feedback {
  margin-top: 56px;
}

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

.page-news .way {
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-news .way:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .way h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .way p {
  margin: 0 0 8px;
  font-size: 14.5px;
  color: var(--silver);
}

.page-news .way-link {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

@media (min-width: 700px) {
  .page-news .news-facts dt {
    font-size: 11px;
    letter-spacing: 0.1em;
  }

  .page-news .news-facts > div {
    padding: 15px 14px;
  }

  .page-news .pin-card {
    grid-template-columns: 1.32fr 0.9fr;
  }

  .page-news .pin-body {
    padding: 28px 26px 30px;
  }

  .page-news .pin-figure {
    min-height: 100%;
  }

  .page-news .upd > summary {
    grid-template-columns: 128px 1fr auto;
    grid-template-areas: "stage head caret";
    align-items: baseline;
    gap: 20px;
    padding: 20px 0 20px 18px;
  }

  .page-news .upd-title {
    font-size: 18px;
  }

  .page-news .upd-body {
    padding: 0 40px 22px 146px;
  }

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

  .page-news .topic--lg {
    grid-column: span 2;
  }

  .page-news .cadence-row {
    grid-template-columns: 168px 1fr;
    align-items: baseline;
    gap: 24px;
  }

  .page-news .ways {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

@media (min-width: 980px) {
  .page-news .news-hero {
    grid-template-columns: 1.45fr 0.85fr;
    align-items: end;
    gap: 36px;
    padding: 34px 0 46px;
  }

  .page-news .news-facts {
    grid-template-columns: 1fr;
    align-self: stretch;
  }

  .page-news .news-facts > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 18px;
  }

  .page-news .news-facts dd {
    margin: 0;
    font-size: 20px;
  }

  .page-news .feature {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
    gap: 34px;
    padding: 32px 30px;
  }

  .page-news .feature--alt .feature-figure {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .feature--alt .feature-body {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .anno--side {
    display: block;
    position: absolute;
    top: 6px;
    right: -6px;
    margin: 0;
    color: var(--mute);
  }

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

  .page-news .topic--lg {
    grid-column: span 2;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 22px;
  }

  .page-news .topic--lg .topic-name {
    font-size: 26px;
  }

  .page-news .topic--md {
    grid-column: span 2;
  }

  .page-news .topic--sm {
    grid-column: span 2;
  }
}