.page-news {
  --news-gap: 20px;
  --news-accent-a: var(--cyan);
  --news-accent-b: var(--cyan-deep);
}

/* 面包屑与首屏 */
.page-news .breadcrumb {
  padding-top: 24px;
}

.page-news .topic-hero {
  position: relative;
  padding: 28px 0 8px;
}

.page-news .topic-hero::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 320px;
  background: radial-gradient(120% 90% at 12% 0%, rgba(79, 240, 220, 0.14) 0%, rgba(6, 11, 24, 0) 68%);
  pointer-events: none;
  z-index: -1;
}

.page-news .topic-hero__grid {
  display: grid;
  gap: 28px;
}

.page-news .topic-hero__copy h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 14px 0 18px;
  color: var(--text);
  text-wrap: balance;
}

.page-news .topic-hero__copy .lede {
  max-width: 62ch;
}

.page-news .topic-hero__media {
  margin: 0;
}

.page-news .topic-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ink-line);
}

.page-news .hero-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--ink-line);
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
}

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

.page-news .hero-facts__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-news .hero-facts__label {
  font-size: 13px;
  color: var(--text-mute);
}

/* 四个栏目 */
.page-news .column-section {
  padding-top: 56px;
}

.page-news .column-grid {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.page-news .column-card {
  position: relative;
  background: var(--ink-navy);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 26px 22px 24px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-news .column-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 130px;
  height: 130px;
  border-radius: 46% 54% 60% 40%;
  background: linear-gradient(140deg, rgba(79, 240, 220, 0.16), rgba(22, 185, 166, 0));
}

.page-news .column-card:hover {
  border-color: var(--cyan-deep);
  transform: translateY(-3px);
}

.page-news .column-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 14px;
}

.page-news .column-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.1;
  margin: 0 0 10px;
  color: var(--text);
}

.page-news .column-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-mute);
}

/* 专题条目流 */
.page-news .stream-section {
  padding-top: 64px;
}

.page-news .section-head--split {
  display: grid;
  gap: 14px;
}

.page-news .stream-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-mute);
  border-left: 2px solid var(--cyan-deep);
  padding-left: 14px;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 10px;
}

.page-news .filter-chip {
  appearance: none;
  background: transparent;
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  color: var(--text-mute);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 8px 16px;
  cursor: pointer;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

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

.page-news .filter-chip[aria-pressed="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(79, 240, 220, 0.08);
}

.page-news .filter-status {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-weak);
}

.page-news .stream {
  display: grid;
  gap: 18px;
}

.page-news .story {
  --story-accent: var(--news-accent-a);
  position: relative;
  background: var(--ink-panel);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  padding: 22px 20px 20px 24px;
}

.page-news .story::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 3px;
  background: var(--story-accent);
}

.page-news .story[data-tag="数据复盘"] {
  --story-accent: var(--news-accent-b);
}

.page-news .story__head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

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

.page-news .story__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 27px;
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--text);
}

.page-news .story__lede {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-news .card__toggle {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 1px dashed var(--cyan-deep);
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 4px 0;
  cursor: pointer;
}

.page-news .card__detail {
  display: none;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--ink-line);
}

.page-news .story[data-expanded] .card__detail {
  display: block;
}

.page-news .card__detail p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-mute);
}

.page-news .story__figure {
  margin: 4px 0 16px;
  max-width: 340px;
}

.page-news .story__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--ink-line);
}

/* 迷你走势线 */
.page-news .spark-figure {
  margin: 4px 0 16px;
  background: var(--ink-navy);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  padding: 12px 14px 8px;
}

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

.page-news .spark__grid {
  stroke: var(--ink-line);
  stroke-width: 1;
}

.page-news .spark__line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-news .spark__caption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-weak);
  margin-top: 6px;
  display: block;
}

/* 版本手记 */
.page-news .version-notes {
  padding-top: 72px;
}

.page-news .version-layout {
  display: grid;
  gap: 26px;
  margin-top: 32px;
}

.page-news .version-layout__media {
  margin: 0;
}

.page-news .version-layout__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ink-line);
}

.page-news .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .version-item {
  background: var(--ink-navy);
  border: 1px solid var(--ink-line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-md);
  padding: 20px 20px 18px;
  scroll-margin-top: 90px;
}

.page-news .version-item .version-tag {
  display: inline-flex;
  gap: 8px;
  align-items: baseline;
  margin-bottom: 12px;
}

.page-news .version-item .version-tag__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-weak);
}

.page-news .version-item .version-tag__val {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-news .version-item__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 23px;
  line-height: 1.2;
  margin: 0 0 10px;
  color: var(--text);
}

.page-news .version-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-mute);
}

/* 观赛指南 */
.page-news .rookie-section {
  padding-top: 72px;
}

.page-news .rookie-section__media {
  margin: 30px 0 0;
}

.page-news .rookie-section__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ink-line);
}

.page-news .rookie-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .rookie-step {
  position: relative;
  background: var(--ink-panel);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
}

.page-news .rookie-step__index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange-mist);
  border: 1px solid rgba(255, 122, 26, 0.4);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 14px;
}

.page-news .rookie-step h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 25px;
  line-height: 1.15;
  margin: 0 0 10px;
  color: var(--text);
}

.page-news .rookie-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-mute);
}

/* 索引 */
.page-news .index-section {
  padding-top: 72px;
}

.page-news .index-cols {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-news .index-col {
  border-top: 1px solid var(--ink-line);
  padding-top: 18px;
}

.page-news .index-col__title {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--text-weak);
  margin: 0 0 16px;
}

.page-news .cloud {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: baseline;
}

.page-news .cloud__item {
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .cloud__item--lg {
  font-size: 30px;
  color: var(--cyan);
}

.page-news .cloud__item--md {
  font-size: 22px;
  color: var(--text);
}

.page-news .cloud__item--sm {
  font-size: 17px;
  color: var(--text-mute);
}

.page-news a.cloud__item:hover {
  border-bottom-color: var(--cyan-deep);
}

/* 常见问题 */
.page-news .faq-section {
  margin-top: 72px;
}

.page-news .qa-list {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-news .qa {
  background: var(--ink-navy);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  padding: 22px 20px;
}

.page-news .qa__q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--text);
}

.page-news .qa__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-mute);
}

.page-news .faq-more {
  margin: 24px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-news .faq-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-deep);
}

/* 平板 */
@media (min-width: 720px) {
  .page-news .topic-hero {
    padding-top: 40px;
  }

  .page-news .column-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-news .rookie-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-news .index-cols {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .section-head--split {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
    gap: 32px;
  }

  .page-news .version-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 桌面 */
@media (min-width: 1000px) {
  .page-news .topic-hero__grid {
    grid-template-columns: 1.02fr 0.98fr;
    align-items: center;
    gap: 48px;
  }

  .page-news .column-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }

  .page-news .column-card:nth-child(even) {
    transform: translateY(26px);
  }

  .page-news .stream {
    grid-template-columns: repeat(12, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-news .story--a {
    grid-column: 1 / span 7;
  }

  .page-news .story--b {
    grid-column: 8 / span 5;
    margin-top: 54px;
  }

  .page-news .story--c {
    grid-column: 1 / span 5;
  }

  .page-news .story--d {
    grid-column: 6 / span 7;
    margin-top: 40px;
  }

  .page-news .version-layout {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
    gap: 34px;
  }

  .page-news .version-layout__media {
    position: sticky;
    top: 40px;
  }

  .page-news .story__title {
    font-size: 30px;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-news .column-card,
  .page-news .cloud__item {
    transition: none;
  }

  .page-news .column-card:hover,
  .page-news .column-card:nth-child(even) {
    transform: none;
  }
}
<<<END>>>