.page-news {
  --news-gap: clamp(20px, 4vw, 40px);
  --news-sticky-top: var(--header-h);
  color: var(--text);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
}

.page-news .news-hero {
  padding: clamp(20px, 4vw, 36px) 0 clamp(28px, 5vw, 48px);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  font-weight: 700;
  margin: 12px 0 18px;
  max-width: 20ch;
}

.page-news .news-hero .lead {
  max-width: 62ch;
  color: var(--text-dim);
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.85;
  margin: 0;
}

.page-news .news-facts {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.page-news .news-facts li {
  border-left: 1px solid var(--line);
  padding-left: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .news-fact-key {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .news-fact-value {
  font-size: 15px;
  color: var(--gold-bright);
  letter-spacing: 0.08em;
}

/* 粘性筛选条 */
.page-news .news-filter {
  position: sticky;
  top: var(--news-sticky-top);
  z-index: 6;
  background: rgba(7, 17, 31, 0.95);
  border-bottom: 1px solid var(--line);
}

.page-news .news-filter-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  flex-wrap: wrap;
}

.page-news .news-filter-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--slate);
  margin: 0;
}

.page-news .news-filter-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-chip .mono {
  font-size: 11px;
  color: var(--copper);
}

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  border-color: var(--line-strong);
  color: var(--ivory);
  background: var(--bg-raised);
}

.page-news .news-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-chip[aria-current] {
  border-color: var(--gold);
  color: var(--ivory);
}

/* 头条 */
.page-news .news-headline {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(36px, 6vw, 64px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-headline h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.008em;
  margin: 10px 0 18px;
  font-weight: 700;
}

.page-news .news-headline-body p {
  color: var(--text-dim);
  line-height: 1.85;
  margin: 0 0 14px;
  max-width: 60ch;
}

.page-news .news-headline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-headline-media,
.page-news .news-versions-media,
.page-news .news-adapt-media,
.page-news .news-routes-media {
  margin: 0;
}

.page-news .news-headline-media {
  border: 1px solid var(--line);
  background: var(--bg-raised);
  position: relative;
}

.page-news .news-headline-media::before,
.page-news .news-versions-media::before,
.page-news .news-routes-media::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 22px;
  height: 22px;
  border-top: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
  pointer-events: none;
}

.page-news .news-headline-media::after,
.page-news .news-versions-media::after,
.page-news .news-routes-media::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 22px;
  height: 22px;
  border-bottom: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  pointer-events: none;
}

.page-news .news-headline-media img,
.page-news .news-versions-media img,
.page-news .news-adapt-media img,
.page-news .news-routes-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media-caption {
  display: block;
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
  border-top: 1px solid var(--line-soft);
  background: var(--bg-inset);
}

/* 版本记录 */
.page-news .news-versions {
  padding: clamp(36px, 6vw, 64px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: end;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .news-section-head .section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.18;
  font-weight: 700;
  margin: 10px 0 12px;
}

.page-news .news-section-lead {
  color: var(--text-dim);
  line-height: 1.85;
  margin: 0;
  max-width: 58ch;
}

.page-news .news-scale {
  width: 100%;
  max-width: 320px;
  height: auto;
}

.page-news .news-versions-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

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

.page-news .news-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-entry:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-news .news-entry:hover {
  background: var(--bg-raised);
  transform: translateY(-1px);
}

.page-news .news-entry-time {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0;
}

.page-news .news-entry-main .card-title {
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ivory);
  margin: 0 0 8px;
}

.page-news .news-entry-main .card-text {
  color: var(--text-dim);
  line-height: 1.8;
  font-size: 15px;
  margin: 0 0 10px;
  max-width: 56ch;
}

.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-news .news-versions-media {
  position: relative;
  border: 1px solid var(--line);
  background: var(--bg-raised);
}

/* 适配变更 */
.page-news .news-adapt {
  padding: clamp(36px, 6vw, 64px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-adapt-media {
  position: relative;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-news .news-adapt-head .section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.18;
  font-weight: 700;
  margin: 10px 0 12px;
}

.page-news .news-adapt-list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .news-adapt-item {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  background: var(--bg-raised);
  padding: 18px 18px 20px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-adapt-item:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-news .news-adapt-no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-news .news-adapt-item .card-title {
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ivory);
  margin: 0 0 8px;
}

.page-news .news-adapt-item .card-text {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

.page-news .news-adapt-link {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

/* 旧版工具 */
.page-news .news-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(36px, 6vw, 64px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-tools-copy .section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.18;
  font-weight: 700;
  margin: 10px 0 14px;
}

.page-news .news-tools-copy p {
  color: var(--text-dim);
  line-height: 1.85;
  margin: 0 0 14px;
  max-width: 54ch;
}

.page-news .news-tools-copy .btn {
  margin-top: 8px;
}

.page-news .news-tools-stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-news .news-tool-stat {
  background: var(--bg-inset);
  padding: 16px 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  transition: background var(--dur) var(--ease);
}

.page-news .news-tool-stat:hover {
  background: var(--bg-raised);
}

.page-news .news-tool-stat-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .news-tool-stat-value {
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--gold-bright);
}

.page-news .news-tool-stat--speed .news-tool-stat-value {
  color: var(--cyan);
}

/* 路线入口 */
.page-news .news-routes {
  padding: clamp(36px, 6vw, 64px) 0 0;
}

.page-news .news-routes-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-news .news-routes-copy .section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.18;
  font-weight: 700;
  margin: 10px 0 14px;
}

.page-news .news-routes-copy > p {
  color: var(--text-dim);
  line-height: 1.85;
  margin: 0 0 20px;
  max-width: 52ch;
}

.page-news .news-route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-news .news-route-list a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  background: var(--bg-raised);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-route-list a:hover,
.page-news .news-route-list a:focus-visible {
  border-color: var(--line-strong);
  transform: translateX(3px);
}

.page-news .news-route-list a:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

.page-news .news-route-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ivory);
}

.page-news .news-route-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-news .news-routes-media {
  position: relative;
  border: 1px solid var(--line);
  background: var(--bg-raised);
}

@media (min-width: 720px) {
  .page-news .news-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-adapt-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-section-head {
    grid-template-columns: minmax(0, 1fr) 260px;
  }

  .page-news .news-scale {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-news .news-headline {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-news .news-versions-body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 44px;
  }

  .page-news .news-entry {
    grid-template-columns: 96px minmax(0, 1fr);
    column-gap: 28px;
    align-items: start;
    padding: 22px 0;
  }

  .page-news .news-entry-time {
    text-align: right;
    padding-right: 20px;
    border-right: 1px solid var(--line);
    position: relative;
    padding-top: 2px;
  }

  .page-news .news-entry-time::after {
    content: "";
    position: absolute;
    right: -4px;
    top: 8px;
    width: 7px;
    height: 7px;
    background: var(--gold);
    transform: rotate(45deg);
  }

  .page-news .news-tools {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-news .news-routes-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 48px;
  }

  .page-news .news-route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}