.page-news {
  --news-gap: 1.75rem;
  --news-tag-accent: var(--mint);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: 4rem;
  overflow-x: hidden;
}

.page-news [id] {
  scroll-margin-top: 6rem;
}

.page-news .container {
  box-sizing: border-box;
}

.page-news .breadcrumbs {
  padding: 1.25rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.page-news .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .section-head {
  max-width: 58ch;
  margin-bottom: 1.5rem;
}

.page-news .section-head .section-title {
  margin: 0.4rem 0 0.6rem;
}

.page-news .section-title {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-news .muted {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* 首屏 */
.page-news .news-hero {
  padding: 1.25rem 0 2.5rem;
  border-bottom: 3px solid var(--line);
}

.page-news .news-hero__grid {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-hero h1 {
  margin: 0.6rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 6.4vw, 3.15rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.page-news .news-hero .lead {
  margin: 0;
  max-width: 48ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.88;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.page-news .hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 1.6rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
}

.page-news .hero-fact {
  padding-left: 0.6rem;
  border-left: 2px solid var(--mint-deep);
}

.page-news .hero-fact dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .hero-fact dd {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--mint);
}

/* 头条面板 */
.page-news .headline-panel {
  display: grid;
  gap: 0.9rem;
  padding: clamp(1.1rem, 4vw, 1.6rem);
  background: var(--panel);
  border: 3px solid var(--line);
  box-shadow: var(--shadow);
}

.page-news .headline-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.page-news .headline-panel .version-chip {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  padding: 0.22rem 0.55rem;
  background: var(--amber);
  color: var(--deep);
  font-weight: 700;
}

.page-news .headline-panel__time {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .headline-panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.4vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.page-news .headline-panel__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.85;
}

.page-news .headline-steps {
  list-style: none;
  margin: 0.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-news .headline-steps li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: baseline;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--line);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-news .headline-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .headline-steps .step-no {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--amber);
  letter-spacing: 0.06em;
}

/* 图片容器 */
.page-news .image-frame {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--deep);
  padding: 0.5rem;
}

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

.page-news .image-frame figcaption {
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* 分类索引 */
.page-news .news-index {
  padding: clamp(2rem, 6vw, 3.25rem) 0;
  background: var(--deep);
  border-bottom: 3px solid var(--line);
}

.page-news .tag-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.page-news .tag-card a {
  display: grid;
  gap: 0.35rem;
  height: 100%;
  box-sizing: border-box;
  padding: 1rem 0.9rem;
  background: var(--panel);
  border: 2px solid var(--line);
  border-left: 5px solid var(--news-tag-accent);
  color: var(--paper);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-news .tag-card a:hover,
.page-news .tag-card a:focus-visible {
  border-color: var(--news-tag-accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 0 rgba(4, 16, 13, 0.85);
}

.page-news .tag-card--version {
  --news-tag-accent: var(--mint);
}

.page-news .tag-card--entry {
  --news-tag-accent: var(--amber);
}

.page-news .tag-card--doc {
  --news-tag-accent: var(--mint-deep);
}

.page-news .tag-card--scope {
  --news-tag-accent: var(--paper);
}

.page-news .tag-name {
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.page-news .tag-count {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--news-tag-accent);
}

.page-news .tag-desc {
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-news .index-figure {
  margin-top: 1.5rem;
}

/* 条目列表与时间轴 */
.page-news .news-log {
  padding: clamp(2rem, 6vw, 3.5rem) 0;
  border-bottom: 3px solid var(--line);
}

.page-news .news-log__grid {
  display: grid;
  gap: 2.25rem;
  align-items: start;
}

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

.page-news .log-item {
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
  transition: background 0.18s ease;
}

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

.page-news .log-item:hover {
  background: rgba(14, 42, 35, 0.6);
}

.page-news .log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.page-news .log-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.16rem 0.5rem;
  border: 1px solid currentColor;
}

.page-news .log-tag--version {
  color: var(--mint);
}

.page-news .log-tag--entry {
  color: var(--amber);
}

.page-news .log-tag--doc {
  color: var(--mint-deep);
}

.page-news .log-tag--scope {
  color: var(--paper);
}

.page-news .log-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .log-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-news .log-summary {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--muted);
}

/* 时间轴 */
.page-news .news-log__aside {
  background: var(--panel);
  border: 3px solid var(--line);
  padding: clamp(1.1rem, 4vw, 1.5rem);
}

.page-news .news-log__aside .section-title {
  margin: 0.4rem 0 1.2rem;
  font-size: clamp(1.15rem, 3.6vw, 1.4rem);
}

.page-news .v-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.25rem;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 1.15rem;
}

.page-news .v-node {
  position: relative;
  display: grid;
  gap: 0.25rem;
}

.page-news .v-node::before {
  content: "";
  position: absolute;
  left: calc(-1.25rem - 0.3rem);
  top: 0.4rem;
  width: 0.6rem;
  height: 0.6rem;
  background: var(--mint-deep);
}

.page-news .v-version {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-news .v-note {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .v-node--current::before {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(242, 184, 75, 0.22);
}

.page-news .v-node--current .v-version {
  color: var(--amber);
  font-weight: 700;
}

.page-news .v-node--history .v-version {
  color: var(--muted);
}

.page-news .timeline-figure {
  margin-top: 1.4rem;
}

/* 归档说明 */
.page-news .news-archive {
  padding: clamp(2rem, 6vw, 3.5rem) 0;
  background: var(--deep);
  border-bottom: 3px solid var(--line);
}

.page-news .archive-grid {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

.page-news .archive-copy .section-title {
  margin: 0.4rem 0 0.9rem;
  font-size: clamp(1.3rem, 4.6vw, 1.9rem);
}

.page-news .archive-copy .prose p {
  margin: 0 0 0.9rem;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.86;
}

.page-news .archive-steps {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
}

.page-news .archive-steps li {
  display: grid;
  grid-template-columns: 5.4rem minmax(0, 1fr);
  gap: 0.7rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
}

.page-news .archive-steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .step-key {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .step-body {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.82;
}

/* 下一步 */
.page-news .news-next {
  padding: clamp(2rem, 6vw, 3.25rem) 0 0;
}

.page-news .news-next__panel {
  padding: clamp(1.25rem, 4.5vw, 2.25rem);
  background: var(--panel);
  border: 3px solid var(--line);
  box-shadow: var(--shadow);
}

.page-news .news-next__panel .section-title {
  margin: 0.45rem 0 0.7rem;
  font-size: clamp(1.3rem, 4.4vw, 1.85rem);
}

.page-news .news-next__text {
  margin: 0 0 1.3rem;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-news .next-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  background: var(--ink);
  border: 2px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.5;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-news .next-link:hover,
.page-news .next-link:focus-visible {
  border-color: var(--mint);
  color: var(--mint);
  transform: translateX(3px);
}

.page-news .next-link .arrow {
  font-family: var(--font-mono);
  color: var(--mint);
}

.page-news .news-next__back {
  margin: 1.2rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.page-news .news-next__back a {
  color: var(--mint-deep);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.page-news .news-next__back a:hover,
.page-news .news-next__back a:focus-visible {
  color: var(--mint);
}

@media (min-width: 640px) {
  .page-news .tag-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .news-hero {
    padding: 2rem 0 3.25rem;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 2.75rem;
  }

  .page-news .archive-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.75rem;
  }
}

@media (min-width: 1000px) {
  .page-news .news-log__grid {
    grid-template-columns: 20.5rem minmax(0, 1fr);
    grid-template-areas: "aside main";
    gap: 3rem;
  }

  .page-news .news-log__main {
    grid-area: main;
    min-width: 0;
  }

  .page-news .news-log__aside {
    grid-area: aside;
    position: sticky;
    top: 6rem;
    align-self: start;
  }

  .page-news .log-item {
    padding: 1.25rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tag-card a,
  .page-news .log-item,
  .page-news .next-link {
    transition: none;
  }

  .page-news .tag-card a:hover,
  .page-news .next-link:hover {
    transform: none;
  }
}