.page-news {
  --news-ver: var(--ink);
  --news-cat: var(--slate);
  --news-edt: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-news__lede {
  padding-top: clamp(26px, 4.6vw, 62px);
}

.page-news__lede-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.4vw, 56px);
}

.page-news__lede-copy .bj-lead {
  max-width: 48ch;
  color: var(--slate);
}

.page-news__vitals {
  list-style: none;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-news__vitals li {
  background: var(--paper);
  padding: 14px 16px 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--slate);
}

.page-news__vitals .bj-mono {
  display: block;
  font-size: 19px;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 6px;
}

.page-news__chart {
  margin: 0;
  padding: clamp(12px, 2vw, 20px);
  background: var(--highlight);
  border: 1px solid var(--rule);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news__chart img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.page-news__chart .bj-caption {
  display: block;
  margin-top: 12px;
  color: var(--slate);
}

/* ---------- 区块小标题 ---------- */
.page-news__block-head {
  display: grid;
  gap: 8px;
  max-width: 64ch;
  margin-bottom: clamp(22px, 3.2vw, 38px);
}

.page-news__block-head .bj-text {
  color: var(--slate);
}

/* ---------- 三条栏目线示意图 ---------- */
.page-news__lines-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-news__lines-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  background: var(--paper-deep);
}

/* ---------- 更新条目列表 ---------- */
.news-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--rule);
}

.news-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px 22px;
  padding: clamp(16px, 2.1vw, 22px) 0;
  border-top: 1px solid var(--rule);
}

.news-line {
  justify-self: start;
  align-self: start;
  font-size: 12px;
  letter-spacing: .1em;
  padding: 3px 10px 4px;
  border: 1px solid currentColor;
  white-space: nowrap;
  transition: background-color 200ms var(--ease), color 200ms var(--ease);
}

.news-line--ver { color: var(--news-ver); }
.news-line--cat { color: var(--news-cat); }
.news-line--edt { color: var(--news-edt); }

.news-item:hover .news-line--ver { background: var(--news-ver); color: var(--highlight); }
.news-item:hover .news-line--cat { background: var(--news-cat); color: var(--highlight); }
.news-item:hover .news-line--edt { background: var(--news-edt); color: var(--ink); }

.news-item__main {
  min-width: 0;
}

.news-item__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--ink);
}

.news-item__desc {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
}

.news-item__when {
  font-size: 12.5px;
  color: var(--slate);
  letter-spacing: .04em;
}

/* ---------- 折叠组 ---------- */
.page-news__fold {
  margin-top: clamp(18px, 2.6vw, 28px);
}

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

.news-mini li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.news-mini li:last-child {
  border-bottom: 0;
}

.news-mini__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.news-mini__when {
  font-size: 12.5px;
  color: var(--slate);
}

/* ---------- 版本迭代表 ---------- */
.page-news__table-sec {
  background: var(--paper-deep);
  clip-path: polygon(0 20px, 100% 0, 100% 100%, 0 100%);
  padding-top: clamp(52px, 6.4vw, 84px);
}

.news-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: var(--highlight);
}

.news-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.news-table caption {
  text-align: left;
  padding: 14px 16px;
  font-size: 13px;
  color: var(--slate);
  border-bottom: 1px solid var(--rule);
}

.news-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .1em;
  white-space: nowrap;
}

.news-table td {
  padding: 14px 16px;
  border-top: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.65;
  color: var(--ink);
}

.news-table tbody tr:nth-child(even) {
  background: var(--paper);
}

.news-table td:first-child {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
  color: var(--ink);
  box-shadow: inset 3px 0 0 var(--gold);
}

.news-table td:nth-child(2) {
  color: var(--slate);
  white-space: nowrap;
}

.news-table th:last-child,
.news-table td:last-child {
  text-align: right;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.page-news__table-figure {
  margin: clamp(24px, 3.4vw, 40px) auto 0;
  max-width: 760px;
}

.page-news__table-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  background: var(--highlight);
}

.page-news__table-figure .bj-caption {
  display: block;
  margin-top: 12px;
  color: var(--slate);
}

/* ---------- 专题系列 ---------- */
.series-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 78vw);
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 2px;
  padding: 4px 0 20px;
  -webkit-overflow-scrolling: touch;
}

.series-card {
  scroll-snap-align: start;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 22px 20px 24px;
  background: var(--highlight);
  border: 1px solid var(--rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.series-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

.series-card .bj-tag {
  justify-self: start;
}

.series-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.55;
  color: var(--ink);
}

.series-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
}

.series-card__link {
  justify-self: start;
  font-size: 14px;
}

.page-news__checklist {
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  max-width: 720px;
}

.page-news__checklist img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  background: var(--paper-deep);
}

.page-news__checklist .bj-caption {
  display: block;
  margin-top: 12px;
  color: var(--slate);
}

/* ---------- 怎么跟进更新 ---------- */
.page-news__follow {
  margin-top: clamp(40px, 5vw, 72px);
  background: var(--ink);
  color: var(--paper-deep);
  padding: clamp(54px, 7vw, 96px) 0 clamp(48px, 6vw, 84px);
  clip-path: polygon(0 26px, 100% 0, 100% 100%, 0 100%);
}

.page-news__follow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 54px);
}

.page-news__eyebrow-light {
  color: var(--gold-soft);
}

.page-news__follow-title {
  color: var(--paper);
}

.page-news__follow-text {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-deep);
}

.follow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.follow-steps li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid rgba(199, 190, 170, .3);
  font-size: 15px;
  line-height: 1.72;
}

.follow-steps li:last-child {
  border-bottom: 1px solid rgba(199, 190, 170, .3);
}

.follow-steps .bj-mono {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .06em;
  padding-top: 3px;
}

.follow-links {
  list-style: none;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.follow-links .bj-link {
  color: var(--gold-soft);
  font-size: 14.5px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news__vitals {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .follow-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 28px;
  }
}

@media (min-width: 760px) {
  .news-item {
    grid-template-columns: 118px minmax(0, 1fr) 96px;
    align-items: start;
  }

  .news-item__when {
    text-align: right;
  }

  .news-mini li {
    grid-template-columns: 112px minmax(0, 1fr) 92px;
    align-items: baseline;
    gap: 0 22px;
  }

  .news-mini__when {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-news__lede-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .series-rail {
    grid-auto-columns: minmax(300px, 1fr);
    grid-auto-flow: initial;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow-x: visible;
    padding-bottom: 6px;
  }

  .page-news__follow-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-news__lede-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .series-card,
  .news-line {
    transition: none;
  }

  .series-card:hover {
    transform: none;
  }
}