.page-news {
  --news-hair: var(--ink-700);
  --news-panel: var(--ink-800);
  --news-dim: var(--ink-600);
  display: block;
  padding-bottom: 72px;
  color: var(--fog);
}

.page-news .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ================= 面包屑 ================= */
.page-news .breadcrumb {
  padding: 22px 0 6px;
}

/* ================= 首屏 ================= */
.page-news .news-hero {
  position: relative;
  padding: 18px 0 46px;
  overflow: hidden;
}

.page-news .news-hero__inner {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-news .news-hero__title {
  margin: 0 0 18px;
  font-size: var(--fs-h1);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.012em;
  color: var(--fog);
}

.page-news .news-hero__lead {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--slate);
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-size: var(--fs-xs);
  color: var(--slate);
}

.page-news .news-hero__facts .mono {
  margin-right: 5px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--signal);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hero__figure {
  margin: 0;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-lg);
  background: var(--news-panel);
  overflow: hidden;
}

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

/* ================= 版本刻度条 ================= */
.page-news .news-ticks {
  padding: 42px 0 34px;
  border-top: 1px solid var(--news-hair);
  border-bottom: 1px solid var(--news-hair);
  background: var(--news-panel);
}

.page-news .news-ticks__idx {
  margin: 0 0 8px;
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  color: var(--amber);
}

.page-news .news-ticks__title {
  margin: 0 0 10px;
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.25;
  color: var(--fog);
}

.page-news .news-ticks__lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.72;
  color: var(--slate);
}

.page-news .news-ticks__figure {
  margin: 0 0 20px;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-md);
  background: var(--ink-900);
  overflow: hidden;
}

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

.page-news .news-ticks__rail {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 4px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-ticks__node {
  flex: 0 0 auto;
  min-width: 156px;
}

.page-news .news-ticks__node a {
  display: block;
  padding: 12px 14px 13px;
  border: 1px solid var(--news-hair);
  border-left-width: 3px;
  border-radius: var(--radius-md);
  background: var(--ink-900);
  color: var(--fog);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-ticks__node a:hover,
.page-news .news-ticks__node a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--signal);
}

.page-news .news-ticks__node--amber a { border-left-color: var(--amber); }
.page-news .news-ticks__node--cyan a { border-left-color: var(--cyan); }
.page-news .news-ticks__node--orange a { border-left-color: var(--signal); }
.page-news .news-ticks__node--violet a { border-left-color: var(--violet); }

.page-news .news-ticks__code {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--fog);
}

.page-news .news-ticks__label {
  display: block;
  margin-top: 4px;
  font-size: var(--fs-xs);
  color: var(--slate);
}

/* ================= 时间线 ================= */
.page-news .news-timeline {
  padding: 56px 0 24px;
}

.page-news .news-timeline__idx,
.page-news .news-topic__idx,
.page-news .news-iter__idx,
.page-news .news-quarter__idx,
.page-news .news-recall__idx {
  margin: 0 0 10px;
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .news-timeline__title,
.page-news .news-topic__title,
.page-news .news-iter__title,
.page-news .news-quarter__title,
.page-news .news-recall__title {
  margin: 0 0 12px;
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.25;
  color: var(--fog);
}

.page-news .news-timeline__lead,
.page-news .news-topic__lead,
.page-news .news-iter__lead,
.page-news .news-quarter__lead,
.page-news .news-recall__lead {
  margin: 0 0 28px;
  max-width: 68ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--slate);
}

.page-news .news-list {
  position: relative;
  margin: 0;
  padding: 4px 0 4px 22px;
  list-style: none;
  border-left: 1px solid var(--news-hair);
}

.page-news .news-item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 20px 0 22px;
  border-bottom: 1px dashed var(--news-dim);
}

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

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 26px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--slate);
  box-shadow: 0 0 0 4px var(--ink-900);
}

.page-news .news-item--update::before { background: var(--mint); }
.page-news .news-item--guide::before { background: var(--cyan); }
.page-news .news-item--review::before { background: var(--violet); }

.page-news .news-item__time {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-item__time .mono {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--fog);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.45;
  color: var(--fog);
}

.page-news .news-item__desc {
  margin: 0 0 10px;
  max-width: 72ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--slate);
}

.page-news .news-item__more {
  margin: 0;
  font-size: var(--fs-xs);
}

.page-news .news-item__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-news .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  line-height: 1.5;
  white-space: nowrap;
}

/* ================= 清单更新专题 ================= */
.page-news .news-topic {
  padding: 44px 0 48px;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-topic__body {
  display: grid;
  gap: 26px;
}

.page-news .news-topic__figure {
  margin: 0;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-lg);
  background: var(--news-panel);
  overflow: hidden;
}

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

.page-news .news-topic__caption {
  padding: 12px 16px;
  font-size: var(--fs-xs);
  line-height: 1.65;
  color: var(--slate);
  border-top: 1px solid var(--news-hair);
}

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

.page-news .news-change {
  padding: 20px 20px 22px;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-md);
  background: var(--news-panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-change:hover {
  border-color: var(--news-dim);
  transform: translateY(-2px);
}

.page-news .news-change__title {
  margin: 12px 0 8px;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--fog);
}

.page-news .news-change__desc {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.72;
  color: var(--slate);
}

/* ================= 编号迭代 ================= */
.page-news .news-iter {
  padding: 46px 0;
  border-top: 1px solid var(--news-hair);
  background: var(--news-panel);
}

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

.page-news .news-iter__step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-iter__step:first-child {
  border-top: 0;
}

.page-news .news-iter__code {
  display: inline-block;
  align-self: start;
  padding: 6px 12px;
  border: 1px solid var(--signal);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--signal);
  background: rgba(255, 107, 44, 0.08);
}

.page-news .news-iter__sub {
  margin: 0 0 7px;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--fog);
}

.page-news .news-iter__body p {
  margin: 0;
  max-width: 68ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--slate);
}

/* ================= 季度回顾 ================= */
.page-news .news-quarter {
  padding: 48px 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-quarter__spotlight {
  display: grid;
  gap: 0;
  margin: 0 0 22px;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-lg);
  background: var(--news-panel);
  overflow: hidden;
}

.page-news .news-quarter__figure {
  margin: 0;
  background: var(--ink-900);
}

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

.page-news .news-quarter__spotlight-body {
  padding: 24px 22px 26px;
}

.page-news .news-quarter__spotlight-body h3 {
  margin: 14px 0 10px;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--fog);
}

.page-news .news-quarter__spotlight-body p {
  margin: 0 0 10px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--slate);
}

.page-news .news-quarter__more {
  margin: 6px 0 0;
  font-size: var(--fs-xs);
}

.page-news .news-quarter__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-news .news-quarter__grid {
  display: grid;
  gap: 16px;
}

.page-news .news-quarter__card {
  padding: 22px 20px 24px;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-md);
  background: var(--news-panel);
}

.page-news .news-quarter__card h3 {
  margin: 12px 0 9px;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--fog);
}

.page-news .news-quarter__card p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--slate);
}

/* ================= 下一步入口 ================= */
.page-news .news-recall {
  padding: 48px 0 20px;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-recall__grid {
  display: grid;
  gap: 16px;
}

.page-news .news-recall__card {
  display: block;
  padding: 24px 22px 26px;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-md);
  background: var(--news-panel);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-recall__card:hover,
.page-news .news-recall__card:focus-visible {
  border-color: var(--signal);
  transform: translateY(-3px);
}

.page-news .news-recall__card-idx {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(44, 229, 200, 0.12);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .news-recall__card-title {
  margin: 14px 0 9px;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--fog);
}

.page-news .news-recall__card p {
  margin: 0 0 14px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--slate);
}

.page-news .news-recall__card-go {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--signal);
}

/* ================= 章节点亮 ================= */
.page-news [data-section].is-lit .news-timeline__title,
.page-news [data-section].is-lit .news-topic__title,
.page-news [data-section].is-lit .news-iter__title,
.page-news [data-section].is-lit .news-quarter__title,
.page-news [data-section].is-lit .news-recall__title,
.page-news [data-section].is-lit .news-ticks__title {
  color: var(--signal);
  transition: color var(--dur) var(--ease);
}

/* ================= 宽屏 ================= */
@media (min-width: 720px) {
  .page-news .news-item {
    grid-template-columns: 132px 1fr;
    gap: 0 30px;
    align-items: start;
  }

  .page-news .news-item__time {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 3px;
  }

  .page-news .news-item::before {
    top: 30px;
  }

  .page-news .news-quarter__spotlight {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: stretch;
  }

  .page-news .news-quarter__figure img {
    height: 100%;
  }

  .page-news .news-changes {
    grid-template-columns: 1fr;
  }

  .page-news .news-quarter__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 960px) {
  .page-news {
    padding-bottom: 96px;
  }

  .page-news .news-hero {
    padding: 34px 0 62px;
  }

  .page-news .news-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 52px;
  }

  .page-news .news-topic__body {
    grid-template-columns: 300px 1fr;
    gap: 44px;
    align-items: start;
  }

  .page-news .news-iter__step {
    grid-template-columns: 150px 1fr;
    gap: 0 28px;
    align-items: start;
    padding: 24px 0;
  }

  .page-news .news-quarter__spotlight-body {
    padding: 32px 30px 34px;
  }

  .page-news .news-list {
    padding-left: 28px;
  }

  .page-news .news-item::before {
    left: -34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-ticks__node a,
  .page-news .news-change,
  .page-news .news-recall__card,
  .page-news [data-section].is-lit .news-timeline__title {
    transition: none;
    transform: none;
  }
}