.page-news {
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

.page-news .breadcrumb {
  padding-block: 1rem 0.5rem;
}

/* ---------- 首屏更新条 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-strong);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(200, 164, 92, 0.12), transparent 62%),
    var(--ink);
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  display: block;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(2.4rem, 7vw, 4.8rem) clamp(2rem, 5vw, 3.4rem);
}

.page-news .news-hero h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.95rem, 6.2vw, 3.9rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0.6rem 0 1rem;
  color: var(--paper);
  max-width: 20ch;
}

.page-news .news-hero h1 em {
  font-style: normal;
  color: var(--gold-bright);
  display: inline-block;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 0.08em;
}

.page-news .news-hero__lead {
  max-width: 62ch;
  font-size: clamp(0.96rem, 2.1vw, 1.08rem);
  line-height: 1.85;
  color: rgba(244, 239, 228, 0.82);
  margin: 0;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.3rem;
  margin: 1.9rem 0 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.page-news .news-hero__stats .stat {
  min-width: 0;
}

.page-news .stat__label {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--archive);
  margin: 0 0 0.25rem;
}

.page-news .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 3.4vw, 1.35rem);
  color: var(--gold-bright);
  margin: 0;
  letter-spacing: 0.02em;
}

/* ---------- 本期更新索引 ---------- */
.page-news .issue-grid {
  display: grid;
  gap: 1.6rem;
}

.page-news .issue-rail {
  border-top: 1px solid var(--gold);
  padding-top: 0.9rem;
}

.page-news .issue-rail__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-news .issue-rail__label {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--archive);
}

.page-news .issue-rail__note {
  margin: 0.8rem 0 0.7rem;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--archive);
}

.page-news .issue-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-news .entry {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  padding: 1rem 1.1rem 1.1rem;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .entry:hover {
  border-left-color: var(--gold-bright);
  background: var(--ink-3);
}

.page-news .entry__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--archive);
}

.page-news .entry__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--paper);
  margin: 0.3rem 0 0.6rem;
}

.page-news .entry__tags,
.page-news .topic__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.65rem;
}

.page-news .entry__summary,
.page-news .topic__summary {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(244, 239, 228, 0.74);
  max-width: 64ch;
}

.page-news .entry__more {
  margin-top: 0.75rem;
  border-top: 1px dashed var(--line-soft);
  padding-top: 0.65rem;
}

.page-news .entry__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .entry__more summary::-webkit-details-marker {
  display: none;
}

.page-news .entry__more summary::before {
  content: "＋ ";
  color: var(--gold-bright);
}

.page-news .entry__more[open] summary::before {
  content: "－ ";
}

.page-news .entry__more p {
  margin: 0.6rem 0 0;
  font-size: 0.87rem;
  line-height: 1.8;
  color: rgba(244, 239, 228, 0.7);
  max-width: 64ch;
}

/* ---------- 状态标签：描边胶囊 ---------- */
.page-news .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--archive);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .tag:hover {
  border-color: var(--gold-bright);
  color: var(--gold-bright);
}

.page-news .tag--compat {
  color: #93c7a0;
  border-color: rgba(147, 199, 160, 0.45);
}

.page-news .tag--pending {
  color: #e79a90;
  border-color: rgba(197, 58, 47, 0.55);
}

.page-news .tag--archived,
.page-news .tag--archive {
  color: #9fb8c6;
  border-color: rgba(94, 122, 138, 0.6);
}

.page-news .tag--legacy {
  color: var(--gold-bright);
  border-color: rgba(200, 164, 92, 0.55);
}

/* ---------- 专题报告 ---------- */
.page-news .compat-note {
  display: grid;
  gap: 1.2rem;
  background: var(--deep-teal);
  border: 1px solid rgba(94, 122, 138, 0.45);
  padding: 1.1rem 1.2rem 1.3rem;
  margin-bottom: 1.8rem;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-news .compat-note__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--paper);
  margin: 0.35rem 0 0.55rem;
}

.page-news .compat-note__text {
  margin: 0 0 0.8rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(244, 239, 228, 0.78);
  max-width: 60ch;
}

.page-news .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-news .topic {
  border-top: 1px solid var(--line-soft);
  padding: 0.95rem 0 0.2rem;
}

.page-news .topic:hover {
  border-top-color: var(--gold);
}

.page-news .topic__num {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .topic__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--paper);
  margin: 0 0 0.6rem;
}

/* ---------- 版本迭代 ---------- */
.page-news .versions-grid {
  display: grid;
  gap: 1.6rem;
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.3rem;
}

.page-news .timeline__item {
  position: relative;
  padding-left: 1.2rem;
  border-left: 1px solid var(--line);
}

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 0.42rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--slate);
  border: 1px solid var(--gold);
}

.page-news .timeline__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  color: var(--gold-bright);
}

.page-news .timeline__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--paper);
  margin: 0.25rem 0 0.4rem;
  line-height: 1.45;
}

.page-news .timeline__text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.78;
  color: rgba(244, 239, 228, 0.72);
}

/* ---------- 适配案例 ---------- */
.page-news .cases-grid {
  display: grid;
  gap: 1.4rem;
}

.page-news .case-list {
  display: grid;
  gap: 1rem;
}

.page-news .case {
  background: var(--deep-teal);
  border: 1px solid rgba(94, 122, 138, 0.4);
  border-top: 2px solid var(--slate);
  padding: 1rem 1.1rem 1.1rem;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color var(--dur) var(--ease);
}

.page-news .case:hover {
  border-color: var(--gold);
}

.page-news .case__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-news .case__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--paper);
  margin: 0.35rem 0 0.5rem;
}

.page-news .case__text {
  margin: 0 0 0.65rem;
  font-size: 0.87rem;
  line-height: 1.8;
  color: rgba(244, 239, 228, 0.76);
}

/* ---------- 回看路径 ---------- */
.page-news .path-grid {
  display: grid;
  gap: 0.9rem;
}

.page-news .path {
  display: block;
  text-decoration: none;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  padding: 1rem 1.05rem 1.1rem;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .path:hover,
.page-news .path:focus-visible {
  border-color: var(--gold);
  background: var(--ink-3);
}

.page-news .path__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.page-news .path__title {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--paper);
  margin-bottom: 0.35rem;
}

.page-news .path__text {
  display: block;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--archive);
}

.page-news .news-paths__back {
  margin: 1.6rem 0 0;
}

/* ---------- 图片通用 ---------- */
.page-news .img-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

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

.page-news .media-figure__caption {
  margin-top: 0.55rem;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--archive);
}

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

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

  .page-news .topic-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.8rem;
  }
}

@media (min-width: 860px) {
  .page-news .issue-grid {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 2.4rem;
  }

  .page-news .issue-rail {
    position: sticky;
    top: 1rem;
    align-self: start;
  }

  .page-news .compat-note {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 1.8rem;
    padding: 1.5rem 1.6rem;
  }

  .page-news .versions-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 2rem;
  }

  .page-news .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.6rem 1.4rem;
  }

  .page-news .timeline__item {
    padding-left: 0;
    padding-top: 1.1rem;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .page-news .timeline__item::before {
    left: 0;
    top: -4.5px;
  }

  .page-news .cases-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
    gap: 2rem;
  }

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

@media (min-width: 1040px) {
  .page-news .path-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .tag,
  .page-news .case,
  .page-news .path {
    transition: none;
  }
}