.page-news {
  --news-gap: clamp(18px, 3vw, 30px);
  background: var(--warm);
  color: var(--ink);
  overflow-x: hidden;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: clamp(92px, 13vw, 124px);
  padding-bottom: 16px;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-news .breadcrumb a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--copper);
  border-bottom-color: var(--copper);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--warm);
  border-top: 3px solid var(--copper);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(217, 222, 216, .08) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(to bottom, rgba(217, 222, 216, .08) 0 1px, transparent 1px 80px);
  pointer-events: none;
}

.page-news .news-hero-grid {
  position: relative;
  display: grid;
  gap: var(--news-gap);
  padding-top: clamp(30px, 5vw, 58px);
  padding-bottom: clamp(38px, 6vw, 70px);
}

.page-news .news-hero .eyebrow {
  margin: 0;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-news .news-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.16;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--warm);
}

.page-news .news-hero .lede {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(247, 243, 234, .76);
}

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

.page-news .news-hero-panel {
  border: 1px solid rgba(217, 222, 216, .22);
  border-top: 3px solid var(--cyan);
  background: rgba(247, 243, 234, .04);
  padding: clamp(18px, 3vw, 26px);
}

.page-news .news-hero-panel-label {
  margin: 0 0 10px;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--copper-soft);
}

.page-news .news-hero-version {
  margin: 0;
  font-family: var(--font-index);
  font-size: clamp(64px, 13vw, 104px);
  line-height: .82;
  letter-spacing: -.03em;
  font-weight: 700;
  color: var(--copper);
}

.page-news .news-hero-version-note {
  margin: 12px 0 20px;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(247, 243, 234, .68);
}

.page-news .news-hero-facts {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(217, 222, 216, .18);
  display: grid;
  gap: 14px;
}

.page-news .news-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-fact-value {
  font-family: var(--font-index);
  font-size: clamp(22px, 3vw, 26px);
  line-height: 1;
  letter-spacing: .01em;
  color: var(--warm);
  font-variant-numeric: tabular-nums;
}

.page-news .news-fact-label {
  font-size: 11px;
  line-height: 1.5;
  color: rgba(247, 243, 234, .6);
}

/* ---------- 速览 ---------- */

.page-news .news-pinned {
  background: var(--warm);
  padding: clamp(40px, 6vw, 76px) 0 clamp(30px, 5vw, 54px);
}

.page-news .news-section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.page-news .news-section-head .eyebrow {
  margin: 0;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-news .news-section-head .h-section {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -.015em;
}

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

.page-news .pinned-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--paper);
  border: var(--line);
  border-left: 3px solid var(--violet);
  padding: 18px 20px 20px;
  transition: transform .18s var(--ease), border-left-color .18s var(--ease);
}

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

.page-news .pinned-card--lead {
  border-left-color: var(--copper);
}

.page-news .pinned-card .tag {
  align-self: flex-start;
}

.page-news .pinned-card h3 {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-news .pinned-card--lead h3 {
  font-size: clamp(20px, 2.6vw, 27px);
}

.page-news .pinned-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .pinned-card--lead p {
  font-size: 15px;
}

.page-news .pinned-link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--copper);
  transition: color .15s var(--ease), border-color .15s var(--ease);
}

.page-news .pinned-link:hover,
.page-news .pinned-link:focus-visible {
  color: var(--green-deep);
  border-bottom-color: var(--green-deep);
}

.page-news .news-board {
  margin: 14px 0 0;
  border: var(--line);
  background: var(--night);
}

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

/* ---------- 更新流 ---------- */

.page-news .news-stream {
  background: var(--warm);
  border-top: 1px solid var(--mist);
  padding: clamp(36px, 5vw, 68px) 0 clamp(46px, 6vw, 84px);
}

.page-news .stream-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-news .stream-rail {
  background: var(--green-deep);
  color: var(--warm);
  padding: 22px 18px 24px;
}

.page-news .rail-title {
  margin: 0;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--copper-soft);
}

.page-news .stream-rail .index-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .stream-rail .index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 8px;
  font-size: 14px;
  color: rgba(247, 243, 234, .8);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.page-news .stream-rail .index-num {
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--copper-soft);
}

.page-news .stream-rail .index-link:hover,
.page-news .stream-rail .index-link:focus-visible,
.page-news .stream-rail .index-link[aria-current="true"] {
  color: var(--warm);
  border-left-color: var(--cyan);
  background: rgba(247, 243, 234, .08);
}

.page-news .rail-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(247, 243, 234, .18);
  font-size: 12px;
  line-height: 1.7;
  color: rgba(247, 243, 234, .62);
}

.page-news .rail-cta {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 212, 176, .5);
  transition: color .15s var(--ease), border-color .15s var(--ease);
}

.page-news .rail-cta:hover,
.page-news .rail-cta:focus-visible {
  color: var(--warm);
  border-bottom-color: var(--warm);
}

.page-news .stream-main {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
  min-width: 0;
}

.page-news .log-section {
  scroll-margin-top: 100px;
}

.page-news .log-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.page-news .log-section-num {
  font-family: var(--font-index);
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--copper);
}

.page-news .log-section-head h2 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -.01em;
}

.page-news .log-section-hint {
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ink-soft);
}

.page-news .log-entry {
  border-bottom: 1px solid var(--mist);
}

.page-news .log-entry summary {
  display: grid;
  grid-template-columns: 3px auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px 6px 14px 0;
  list-style: none;
  cursor: pointer;
  transition: background .16s var(--ease);
}

.page-news .log-entry summary::-webkit-details-marker {
  display: none;
}

.page-news .log-entry summary:hover {
  background: rgba(15, 107, 90, .05);
}

.page-news .log-entry summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.page-news .log-bar {
  align-self: stretch;
  width: 3px;
  background: var(--violet);
}

.page-news .log-bar--version {
  background: var(--violet);
}

.page-news .log-bar--channel {
  background: var(--cyan);
}

.page-news .log-bar--tool {
  background: var(--copper);
}

.page-news .log-bar--service {
  background: var(--green);
}

.page-news .log-when {
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ink-soft);
  white-space: nowrap;
}

.page-news .log-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .log-toggle {
  font-family: var(--font-index);
  font-size: 18px;
  line-height: 1;
  color: var(--copper);
  transition: transform .2s var(--ease);
}

.page-news .log-entry[open] .log-toggle {
  transform: rotate(45deg);
}

.page-news .log-body {
  display: grid;
  gap: 12px;
  padding: 0 6px 18px 15px;
}

.page-news .log-desc {
  margin: 0;
  max-width: 60em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .log-meta {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-news .log-meta > div {
  border-left: 2px solid var(--mist);
  padding-left: 12px;
}

.page-news .log-meta dt {
  font-family: var(--font-index);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-news .log-meta dd {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .log-meta dd a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green);
  transition: color .15s var(--ease), border-color .15s var(--ease);
}

.page-news .log-meta dd a:hover,
.page-news .log-meta dd a:focus-visible {
  color: var(--copper);
  border-bottom-color: var(--copper);
}

.page-news .log-figure {
  margin: 16px 0 4px;
  border: var(--line);
  background: var(--paper);
}

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

.page-news .log-figure figcaption {
  padding: 8px 12px;
  border-top: var(--line);
  background: var(--warm);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 反馈 ---------- */

.page-news .news-subscribe {
  background: var(--night);
  color: var(--warm);
  border-top: 3px solid var(--copper);
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-news .subscribe-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .news-subscribe .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-news .news-subscribe h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -.015em;
  color: var(--warm);
}

.page-news .subscribe-copy p {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 243, 234, .76);
}

.page-news .subscribe-panel {
  border: 1px solid rgba(217, 222, 216, .22);
  background: rgba(247, 243, 234, .04);
  padding: clamp(18px, 3vw, 24px);
}

.page-news .subscribe-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(217, 222, 216, .16);
}

.page-news .subscribe-label {
  flex: none;
  width: 100%;
  font-family: var(--font-index);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper-soft);
}

.page-news .subscribe-value {
  font-family: var(--font-index);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--warm);
  word-break: break-all;
}

.page-news .subscribe-panel .copy-chip {
  margin-left: auto;
  padding: 5px 10px;
  background: transparent;
  border: 1px solid rgba(47, 212, 176, .45);
  color: var(--cyan);
  font-family: var(--font-index);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .15s var(--ease), color .15s var(--ease);
}

.page-news .subscribe-panel .copy-chip:hover,
.page-news .subscribe-panel .copy-chip:focus-visible {
  background: rgba(47, 212, 176, .16);
  color: var(--warm);
}

.page-news .subscribe-note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: rgba(247, 243, 234, .6);
}

/* ---------- 响应式 ---------- */

@media (min-width: 520px) {
  .page-news .news-hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 620px) {
  .page-news .log-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .log-title {
    font-size: 16px;
  }
}

@media (min-width: 720px) {
  .page-news .log-section-hint {
    margin-left: auto;
  }
}

@media (min-width: 800px) {
  .page-news .pinned-grid {
    grid-template-columns: 1.45fr 1fr;
  }

  .page-news .pinned-card--lead {
    grid-row: span 2;
  }
}

@media (min-width: 880px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-news .subscribe-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-news .stream-grid {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .stream-rail {
    position: sticky;
    top: 96px;
  }

  .page-news .log-title {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pinned-card,
  .page-news .pinned-link,
  .page-news .log-toggle,
  .page-news .log-entry summary,
  .page-news .stream-rail .index-link,
  .page-news .rail-cta,
  .page-news .subscribe-panel .copy-chip,
  .page-news .breadcrumb a,
  .page-news .log-meta dd a {
    transition: none;
  }

  .page-news .pinned-card:hover {
    transform: none;
  }
}