.page-news {
  --news-rail: 272px;
  --news-gap: clamp(16px, 3vw, 30px);
  background: var(--night);
  color: var(--paper);
  overflow-x: clip;
  padding-bottom: clamp(48px, 8vw, 100px);
}

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

/* 面包屑 */
.page-news .crumbs {
  padding: clamp(14px, 2.5vw, 22px) 0 0;
  font-size: 0.78rem;
  color: var(--mist);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-news .crumbs a {
  color: var(--neon);
  text-decoration: none;
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  text-decoration: underline;
}

.page-news .crumb-sep {
  margin: 0 8px;
  color: var(--line);
}

/* 首屏 */
.page-news .news-hero {
  padding-top: clamp(18px, 3.6vw, 40px);
  padding-bottom: clamp(22px, 4vw, 46px);
}

.page-news .news-hero-grid {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-hero-copy .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-news .news-hero-copy h1 {
  margin: 12px 0 0;
  font-size: clamp(1.85rem, 5.6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-news .news-hero-copy .lede {
  margin: 16px 0 0;
  max-width: 60ch;
  color: var(--mist);
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.8;
}

.page-news .hero-meta {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--neon-soft);
}

.page-news .hero-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  background: var(--pitch);
}

.page-news .news-hero-media {
  margin: 0;
  border: var(--edge);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--pitch);
  box-shadow: var(--drop);
}

.page-news .news-hero-media img {
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-news .media-cap {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--mist);
  background: var(--night);
  border-top: 1px solid var(--line);
}

/* 主体分栏 */
.page-news .news-body {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
  padding-top: clamp(4px, 1.4vw, 12px);
}

.page-news .news-rail {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .rail-card {
  border: var(--edge);
  border-radius: var(--r-md);
  background: var(--pitch);
  padding: 14px 14px 16px;
}

.page-news .rail-card--amber {
  background: var(--stand);
  border-color: var(--amber);
}

.page-news .rail-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-news .rail-card--amber .rail-label {
  color: var(--amber);
}

.page-news .rail-card--amber p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.72;
  color: var(--neon-soft);
}

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

.page-news .rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-news .rail-link .num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--mist);
  transition: color 0.18s ease;
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  background: var(--stand);
  color: var(--neon);
  outline: none;
}

.page-news .rail-link:hover .num,
.page-news .rail-link:focus-visible .num {
  color: var(--neon);
}

/* 内容流 */
.page-news .news-flow {
  display: grid;
  gap: var(--news-gap);
  min-width: 0;
}

.page-news .news-sec {
  border: var(--edge);
  border-radius: var(--r-lg);
  background: var(--pitch);
  padding: clamp(16px, 2.6vw, 30px);
  scroll-margin-top: 96px;
  min-width: 0;
}

.page-news .sec-head {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-news .sec-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-news .sec-title {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.85rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .sec-note {
  margin: 0;
  max-width: 64ch;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 临时快报 */
.page-news .flash-list {
  display: grid;
  gap: 10px;
}

.page-news .flash {
  border: var(--edge);
  border-left-width: 4px;
  border-radius: var(--r-md);
  background: var(--stand);
  overflow: hidden;
}

.page-news .flash--shot { border-left-color: var(--shot); }
.page-news .flash--amber { border-left-color: var(--amber); }
.page-news .flash--violet { border-left-color: var(--violet); }

.page-news .flash > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18px;
  grid-template-rows: auto auto;
  gap: 6px 10px;
  padding: 14px 16px;
}

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

.page-news .flash > summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -3px;
}

.page-news .flash-stamp {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .flash-stamp .num {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--neon);
}

.page-news .flash-title {
  grid-column: 1;
  grid-row: 2;
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .flash-caret {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  justify-self: center;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--neon);
  border-bottom: 2px solid var(--neon);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.2s ease;
}

.page-news .flash[open] .flash-caret {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-news .flash-body {
  padding: 0 16px 16px;
}

.page-news .flash-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.page-news .flash-body p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .flash-banner {
  margin: 16px 0 0;
  border: var(--edge);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--night);
}

.page-news .flash-banner img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* 版本档案 */
.page-news .version-top {
  display: grid;
  gap: 14px;
}

.page-news .version-mark {
  border: var(--edge);
  border-left: 6px solid var(--neon);
  border-radius: var(--r-md);
  background: var(--stand);
  padding: 16px;
}

.page-news .version-mark h3 {
  margin: 10px 0 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .version-lines {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .version-lines li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--neon-soft);
}

.page-news .version-lines .num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--neon);
  min-width: 62px;
}

.page-news .version-mark p {
  margin: 12px 0 0;
  font-size: 0.85rem;
  line-height: 1.74;
  color: var(--mist);
}

.page-news .version-fig {
  margin: 0;
  border: var(--edge);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--night);
  box-shadow: var(--drop-sm);
}

.page-news .version-fig img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .arc-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px dashed var(--line);
}

.page-news .arc-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 11px 4px;
  border-bottom: 1px dashed var(--line);
}

.page-news .arc-row--now {
  background: linear-gradient(90deg, rgba(53, 240, 174, 0.12), transparent 72%);
  border-left: 3px solid var(--neon);
  border-bottom-style: solid;
  border-bottom-color: var(--line);
  border-radius: 4px;
  padding-left: 10px;
}

.page-news .arc-no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--neon);
  min-width: 40px;
}

.page-news .arc-week {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--neon-soft);
  min-width: 74px;
}

.page-news .arc-desc {
  flex: 1 1 220px;
  font-size: 0.86rem;
  line-height: 1.66;
  color: var(--mist);
}

/* 数据观察 */
.page-news .obs-grid {
  display: grid;
  gap: 12px;
}

.page-news .obs-card {
  border: var(--edge);
  border-radius: var(--r-md);
  background: var(--night);
  padding: 14px;
  display: grid;
  gap: 8px;
  align-content: start;
  min-width: 0;
}

.page-news .obs-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-news .obs-card h3 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.48;
  color: var(--paper);
}

.page-news .obs-card p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.74;
  color: var(--mist);
}

.page-news .obs-svg {
  width: 100%;
  height: auto;
  display: block;
  background: linear-gradient(180deg, rgba(22, 84, 61, 0.35), transparent);
  border-radius: var(--r-sm);
}

/* 场馆笔记 */
.page-news .venue-card {
  border: var(--edge);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--stand);
  box-shadow: var(--drop-sm);
  display: grid;
}

.page-news .venue-fig {
  margin: 0;
  overflow: hidden;
}

.page-news .venue-fig img {
  width: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-news .venue-body {
  padding: clamp(16px, 2.4vw, 26px);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .venue-body h3 {
  margin: 0;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .venue-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-news .venue-notes li {
  position: relative;
  padding-left: 18px;
  font-size: 0.87rem;
  line-height: 1.76;
  color: var(--neon-soft);
}

.page-news .venue-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--shot);
  transform: rotate(45deg);
}

.page-news .venue-notes strong {
  color: var(--paper);
  font-weight: 700;
}

.page-news .venue-stat {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .venue-stat .num {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--shot);
  margin-right: 6px;
}

/* 更新节奏 */
.page-news .cadence-grid {
  display: grid;
  gap: 10px;
}

.page-news .cadence-card {
  border: var(--edge);
  border-radius: var(--r-md);
  background: var(--stand);
  padding: 14px;
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-news .cadence-time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .cadence-card p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.74;
  color: var(--mist);
}

.page-news .cadence-tail {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: 0.87rem;
  line-height: 1.78;
  color: var(--mist);
}

/* 按钮行 */
.page-news .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-news .cta-row .btn {
  text-decoration: none;
}

/* 断点 */
@media (min-width: 720px) {
  .page-news .obs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-news .venue-card {
    grid-template-columns: 1.02fr 0.98fr;
  }

  .page-news .venue-fig img {
    height: 100%;
    aspect-ratio: auto;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-news .version-top {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
  }

  .page-news .news-rail {
    position: sticky;
    top: 92px;
  }
}

@media (min-width: 1080px) {
  .page-news .obs-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-link,
  .page-news .rail-link .num,
  .page-news .flash-caret {
    transition: none;
  }
}
<<<END>>>