.page-news .breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(28px, 5vw, 56px) 0 clamp(44px, 6vw, 80px);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 56px;
    align-items: end;
  }
}

.page-news .news-kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--copper);
  margin: 0 0 18px;
}

.page-news .news-hero__title {
  font-size: clamp(38px, 6.4vw, 76px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 22px;
  max-width: 14ch;
}

.page-news .news-hero__dek {
  font-size: 17px;
  line-height: 1.75;
  color: var(--sand);
  max-width: 58ch;
  margin: 0 0 32px;
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
}

.page-news .fact {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-news .fact__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--copper);
}

.page-news .fact__label {
  font-size: 14px;
  color: var(--sand);
}

.page-news .news-hero__mark {
  background: var(--ink);
  border-radius: var(--r-lg);
  padding: 24px 26px 22px;
  display: flex;
  flex-direction: column;
}

.page-news .news-hero__mark-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--line);
}

.page-news .news-hero__mark-num {
  font-family: var(--font-mono);
  font-size: clamp(56px, 12vw, 84px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--pulse);
  margin: 14px 0 4px;
}

.page-news .news-hero__mark-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--snow-mid);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--ink-soft);
}

/* ---------- 章节基本节奏 ---------- */
.page-news .news-section {
  padding-top: var(--section-gap);
}

.page-news .news-section .section-head {
  margin-bottom: 36px;
}

/* ---------- 01 内容线索引 ---------- */
.page-news .lines-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-news .lines-grid {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: start;
  }
}

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

.page-news .line-link {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "name count"
    "desc desc";
  gap: 8px 18px;
  align-items: baseline;
  padding: 22px 26px;
  border-radius: var(--r-lg);
  background: var(--snow-mid);
  color: var(--text);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .line-link:hover,
.page-news .line-link:focus-visible {
  background: var(--copper);
  color: #FFFFFF;
}

.page-news .line-name {
  grid-area: name;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .line-count {
  grid-area: count;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--copper);
  transition: color var(--dur) var(--ease);
}

.page-news .line-link:hover .line-count,
.page-news .line-link:focus-visible .line-count {
  color: var(--pulse);
}

.page-news .line-desc {
  grid-area: desc;
  font-size: 16px;
  line-height: 1.7;
  color: var(--sand);
  transition: color var(--dur) var(--ease);
}

.page-news .line-link:hover .line-desc,
.page-news .line-link:focus-visible .line-desc {
  color: rgba(255, 255, 255, 0.86);
}

.page-news .lines-figure {
  margin: 0;
}

/* ---------- 02 时间线 ---------- */
.page-news .tl-key {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--sand);
}

.page-news .tl-key li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-news .tl-key__dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--copper);
  flex: none;
}

.page-news .tl-key__dot--now {
  background: var(--pulse);
  box-shadow: 0 0 0 3px var(--ink);
}

.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 7px;
  width: 1px;
  background: var(--line);
}

.page-news .tl-item {
  position: relative;
  padding: 0 0 40px 36px;
}

.page-news .tl-item:last-child {
  padding-bottom: 0;
}

.page-news .tl-node {
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 4px var(--snow);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .tl-item:hover .tl-node {
  transform: scale(1.18);
  background: var(--copper-deep);
}

.page-news .tl-item[data-current] .tl-node {
  width: 19px;
  height: 19px;
  left: -2px;
  top: 3px;
  background: var(--pulse);
  box-shadow: 0 0 0 4px var(--ink);
  animation: news-node-pulse 1.6s ease-in-out infinite;
}

@keyframes news-node-pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--ink), 0 0 0 7px rgba(200, 255, 77, 0.32); }
  50% { box-shadow: 0 0 0 4px var(--ink), 0 0 0 12px rgba(200, 255, 77, 0.06); }
}

.page-news .tl-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .tl-phase {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 2px 11px;
}

.page-news .tl-title {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 8px;
}

.page-news .tl-excerpt {
  font-size: 17px;
  line-height: 1.75;
  color: var(--sand);
  margin: 0;
  max-width: 64ch;
}

.page-news .tl-item[data-current] .tl-title {
  color: var(--copper-deep);
}

/* ---------- 03 专题 ---------- */
.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-news .series-grid {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
    align-items: start;
  }
}

.page-news .series-figure {
  margin: 0;
}

.page-news .series-folds .fold {
  background: var(--snow-mid);
  border-radius: var(--r-md);
}

.page-news .series-folds .fold + .fold {
  margin-top: 14px;
}

.page-news .series-folds .fold-head {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  padding: 6px 4px 6px 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: 0;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.page-news .series-folds .fold-head__label {
  flex: 1 1 auto;
}

.page-news .series-folds .fold-panel__inner {
  padding: 4px 0 4px;
}

.page-news .series-folds .fold-panel__inner p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--sand);
  margin: 0 0 12px;
  max-width: 58ch;
}

.page-news .series-folds .fold-panel__inner p:last-child {
  margin-bottom: 0;
}

/* ---------- 04 版本记录 ---------- */
.page-news .version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-news .version-grid {
    grid-template-columns: 4fr 8fr;
    gap: 44px;
    align-items: start;
  }
}

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

.page-news .ver-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .ver-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-news .ver-item:last-child {
  border-bottom: 1px solid var(--line);
}

@media (min-width: 640px) {
  .page-news .ver-item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 6px 24px;
    align-items: baseline;
  }
}

.page-news .ver-tag {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--copper);
}

.page-news .ver-title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text);
  margin: 0 0 6px;
}

.page-news .ver-desc {
  font-size: 16px;
  line-height: 1.72;
  color: var(--sand);
  margin: 0;
  max-width: 62ch;
}

/* ---------- 05 纠错与季票 ---------- */
.page-news .cta-panel {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--ink);
  border-radius: var(--r-lg);
  overflow: hidden;
}

@media (min-width: 860px) {
  .page-news .cta-panel {
    grid-template-columns: 7fr 5fr;
  }
}

.page-news .cta-panel__body {
  padding: clamp(28px, 5vw, 56px);
}

.page-news .cta-panel__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(36px, 6vw, 60px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--pulse);
  margin-bottom: 20px;
}

.page-news .cta-panel__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: #FFFFFF;
  margin: 0 0 18px;
}

.page-news .cta-panel__text {
  font-size: 16px;
  line-height: 1.78;
  color: var(--line);
  margin: 0 0 14px;
  max-width: 54ch;
}

.page-news .cta-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-news .cta-panel__media {
  margin: 0;
  min-height: 240px;
}

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

/* ---------- 响应式与动效降级 ---------- */
@media (max-width: 640px) {
  .page-news .line-link {
    padding: 20px 20px;
  }

  .page-news .tl-item {
    padding-left: 30px;
  }

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

  .page-news .timeline::before {
    left: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tl-item[data-current] .tl-node {
    animation: none;
    box-shadow: 0 0 0 4px var(--ink), 0 0 0 8px rgba(200, 255, 77, 0.24);
  }

  .page-news .tl-node,
  .page-news .line-link,
  .page-news .line-count,
  .page-news .line-desc {
    transition: none;
  }

  .page-news .tl-item:hover .tl-node {
    transform: none;
  }
}