.page-news {
  --news-rail-w: 330px;
  background: var(--paper-50);
  color: var(--ink-500);
  overflow-x: hidden;
}

/* ---------- 面包屑上沿留白 ---------- */
.page-news .breadcrumb {
  padding-top: 104px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 26px 0 48px;
  background:
    radial-gradient(circle at 92% 6%, rgba(255, 107, 26, 0.20), transparent 46%),
    linear-gradient(180deg, var(--paper-50) 0%, var(--apricot-100) 100%);
  border-bottom: var(--border-w) solid var(--ink-900);
}

.page-news .news-hero__grid {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-news .news-hero__lead h1 {
  margin: 10px 0 16px;
  font-size: clamp(2.6rem, 9vw, 4.6rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--ink-900);
}

.page-news .news-hero .eyebrow {
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--brand-orange-600);
  text-transform: uppercase;
  margin: 0;
}

.page-news .news-hero__lede {
  max-width: 56ch;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink-500);
  margin: 0;
}

.page-news .news-hero__stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
}

.page-news .stat {
  border: var(--border-w) solid var(--ink-900);
  border-radius: 12px;
  background: var(--white);
  padding: 11px 13px;
  box-shadow: 3px 3px 0 rgba(11, 31, 51, 0.14);
}

.page-news .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink-900);
  letter-spacing: -0.02em;
}

.page-news .stat-label {
  display: block;
  margin-top: 2px;
  font-size: 0.76rem;
  color: var(--grey-500);
}

.page-news .news-hero__media {
  border: var(--border-w) solid var(--ink-900);
  border-radius: var(--radius-card);
  background: var(--ink-900);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-news .news-hero__media .media-caption {
  color: var(--footer-text);
  font-size: 0.8rem;
  padding: 10px 14px;
  margin: 0;
  background: var(--ink-900);
}

@media (min-width: 960px) {
  .page-news .breadcrumb { padding-top: 116px; }
  .page-news .news-hero { padding: 30px 0 62px; }
  .page-news .news-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 筛选带 ---------- */
.page-news .news-filterbar {
  border-bottom: var(--border-w) solid var(--ink-900);
  background: var(--ink-900);
}

.page-news .news-filterbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.page-news .news-filterbar__label {
  font-size: var(--fs-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-orange-500);
  flex: 0 0 auto;
}

.page-news .news-filterbar__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.page-news .filter-chip {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1;
  padding: 9px 15px;
  border: var(--border-w) solid var(--ink-900);
  border-radius: var(--radius-pill);
  background: var(--grey-200);
  color: var(--ink-900);
  cursor: pointer;
  transition: transform 0.16s var(--ease), background 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.page-news .filter-chip:hover {
  transform: translateY(-2px);
  background: var(--white);
}

.page-news .filter-chip[aria-pressed="true"] {
  background: var(--brand-orange-500);
  color: var(--ink-900);
  box-shadow: 3px 3px 0 var(--ink-700);
}

.page-news .filter-chip:focus-visible {
  outline: 3px solid var(--brand-orange-500);
  outline-offset: 2px;
}

/* ---------- 章节头微调 ---------- */
.page-news .section-head {
  margin-bottom: 26px;
}

.page-news .section-title {
  color: var(--ink-900);
}

.page-news .section-summary {
  max-width: 62ch;
}

.page-news .section--ink .section-title,
.page-news .section--ink .section-summary {
  color: var(--white);
}

.page-news .section--ink .section-summary {
  color: var(--footer-text);
}

/* ---------- 01 索引结构 ---------- */
.page-news .news-structure__figure {
  border: var(--border-w) solid var(--ink-900);
  border-radius: var(--radius-card);
  background: var(--white);
  overflow: hidden;
  aspect-ratio: 3 / 2;
  margin: 0 0 26px;
  box-shadow: var(--shadow-soft);
}

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

.page-news .news-structure__figure .media-caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.page-news .news-topics {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
}

.page-news .topic-card {
  border: var(--border-w) solid var(--ink-900);
  border-radius: 12px;
  background: var(--white);
  padding: 14px 14px 16px;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-news .topic-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.page-news .topic-card__no {
  display: inline-block;
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--brand-orange-600);
  margin-bottom: 6px;
}

.page-news .topic-card__name {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .topic-card__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--ink-500);
}

.page-news .news-rhythm {
  border: var(--border-w) solid var(--ink-900);
  border-left: 8px solid var(--brand-orange-500);
  border-radius: 12px;
  background: var(--white);
  padding: 16px 18px;
}

.page-news .news-rhythm__label {
  margin: 0 0 8px;
  font-size: var(--fs-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-orange-600);
}

.page-news .news-rhythm__text {
  margin: 0;
  max-width: 68ch;
  line-height: 1.8;
  color: var(--ink-500);
}

@media (min-width: 720px) {
  .page-news .news-topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-topics {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-news .news-structure__figure {
    aspect-ratio: 18 / 7;
  }
}

/* ---------- 02 案例列表 + 对照栏 ---------- */
.page-news .news-cases__figure {
  border: var(--border-w) solid var(--ink-900);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--apricot-100);
  aspect-ratio: 6 / 5;
  margin: 0 0 26px;
}

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

.page-news .news-cases__figure .media-caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.page-news .news-cases {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-news .case-list {
  display: block;
}

.page-news .case-item {
  border: var(--border-w) solid var(--ink-900);
  border-radius: 14px;
  background: var(--white);
  margin-bottom: 12px;
  overflow: hidden;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-news .case-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.page-news .case-item__heading {
  margin: 0;
  font-size: 1rem;
}

.page-news .case-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px 12px;
  padding: 15px 16px;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

.page-news .case-trigger:focus-visible {
  outline: 3px solid var(--brand-orange-500);
  outline-offset: -3px;
}

.page-news .case-item__no {
  grid-row: 1 / span 2;
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--white);
  background: var(--ink-900);
  border-radius: 6px;
  padding: 5px 7px;
  align-self: start;
}

.page-news .case-item__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-news .case-item__tag {
  justify-self: start;
  align-self: center;
}

.page-news .case-facts {
  margin: 0;
  padding: 0 16px 16px 16px;
  display: grid;
  gap: 12px;
}

.page-news .case-fact dt {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-orange-600);
  margin-bottom: 3px;
}

.page-news .case-fact dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-500);
}

.page-news .case-empty {
  border: 2px dashed var(--grey-200);
  border-radius: 14px;
  padding: 22px 18px;
  text-align: center;
  color: var(--grey-500);
  background: var(--white);
  font-size: 0.9rem;
}

/* 对照栏 */
.page-news .news-compare {
  border: var(--border-w) solid var(--ink-900);
  border-radius: var(--radius-card);
  background: var(--apricot-100);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.page-news .news-compare__label {
  margin: 0 0 6px;
  font-size: var(--fs-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-orange-600);
}

.page-news .news-compare__title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink-900);
}

.page-news .news-compare__note {
  margin: 0 0 14px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-500);
}

.page-news .compare-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .compare-card {
  border: var(--border-w) solid var(--ink-900);
  border-radius: 12px;
  background: var(--white);
  padding: 12px 13px;
}

.page-news .compare-card__tag {
  display: inline-block;
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--white);
  background: var(--ink-700);
  border-radius: 4px;
  padding: 3px 7px;
  margin-bottom: 8px;
}

.page-news .compare-card__scene {
  margin: 0 0 6px;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-900);
}

.page-news .compare-card__result {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--ink-500);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.page-news .news-compare__cta {
  width: 100%;
  justify-content: center;
  text-align: center;
}

@media (min-width: 700px) and (max-width: 1023px) {
  .page-news .compare-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-news .news-cases {
    grid-template-columns: minmax(0, 1fr) var(--news-rail-w);
    gap: 32px;
  }
  .page-news .news-compare {
    position: sticky;
    top: 96px;
  }
  .page-news .news-cases__figure {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 03 专题系列 ---------- */
.page-news .news-series {
  display: grid;
  gap: 18px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: var(--border-w) solid var(--brand-orange-500);
  border-radius: var(--radius-card);
  background: var(--ink-700);
  padding: 20px 20px 22px;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-news .series-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--brand-orange-600);
}

.page-news .series-card__no {
  font-size: var(--fs-mono);
  letter-spacing: 0.16em;
  color: var(--brand-orange-500);
}

.page-news .series-card__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-news .series-card__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--footer-text);
}

.page-news .series-card__meta {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px solid rgba(200, 213, 225, 0.25);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  color: var(--footer-muted);
}

@media (min-width: 860px) {
  .page-news .news-series {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ---------- 04 更新记录 ---------- */
.page-news .news-changelog__figure {
  border: var(--border-w) solid var(--ink-900);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-900);
  aspect-ratio: 9 / 4;
  margin: 0 0 30px;
}

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

.page-news .news-changelog__figure .media-caption {
  background: var(--ink-900);
  color: var(--footer-text);
  font-size: 0.8rem;
  padding: 9px 14px;
  margin: 0;
}

.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  border-left: var(--border-w) solid var(--ink-900);
  display: grid;
  gap: 22px;
  max-width: 760px;
}

.page-news .timeline-item {
  position: relative;
}

.page-news .timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 14px;
  height: 14px;
  background: var(--brand-orange-500);
  border: var(--border-w) solid var(--ink-900);
  border-radius: 3px;
}

.page-news .timeline-item__stage {
  margin: 0 0 5px;
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--ink-900);
  font-weight: 600;
}

.page-news .timeline-item__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-500);
}

@media (min-width: 900px) {
  .page-news .news-timeline {
    max-width: none;
    padding-left: 0;
    border-left: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px 30px;
  }
  .page-news .timeline-item {
    border-top: var(--border-w) solid var(--ink-900);
    padding-top: 24px;
  }
  .page-news .timeline-item::before {
    left: 0;
    top: -8px;
  }
}

/* ---------- 05 参与补充 ---------- */
.page-news .news-contribute {
  display: grid;
  gap: 24px;
  align-items: start;
  border: var(--border-w) solid var(--ink-900);
  border-radius: var(--radius-card);
  background: var(--white);
  padding: 24px 22px;
  box-shadow: var(--shadow-soft);
}

.page-news .news-contribute .section-title {
  margin: 6px 0 12px;
}

.page-news .news-contribute__lede {
  margin: 0 0 14px;
  max-width: 60ch;
  line-height: 1.8;
  color: var(--ink-500);
}

.page-news .news-contribute__points {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-500);
}

.page-news .news-contribute__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-news .news-contribute__link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-900);
  text-decoration: underline;
  text-decoration-color: var(--brand-orange-500);
  text-underline-offset: 4px;
}

.page-news .news-contribute__link:hover {
  color: var(--brand-orange-600);
}

@media (min-width: 900px) {
  .page-news .news-contribute {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
    padding: 30px 28px;
    align-items: center;
  }
  .page-news .news-contribute__actions {
    flex-direction: column;
    align-items: stretch;
    min-width: 220px;
  }
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 420px) {
  .page-news .news-topics {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .news-hero__stats {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .case-item,
  .page-news .topic-card,
  .page-news .series-card,
  .page-news .filter-chip {
    transition: none;
  }
  .page-news .case-item:hover,
  .page-news .topic-card:hover,
  .page-news .series-card:hover,
  .page-news .filter-chip:hover {
    transform: none;
  }
}