.page-news {
  --tag-version: #2FE0D0;
  --tag-panel: #6EA8D8;
  --tag-cat: #FFB03A;
  --tag-service: #8FF3EA;
  --mist-deep: #6B7C90;
  overflow-x: hidden;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(22px, 4vw, 46px);
}

.page-news .news-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-news .news-hero-copy h1 {
  margin: 10px 0 16px;
  font-size: clamp(36px, 5.6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-lede {
  margin: 0 0 14px;
  max-width: 42ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--paper);
}

.page-news .news-note {
  margin: 0;
  max-width: 42ch;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--mist);
}

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

.page-news .news-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--line);
  box-shadow: 10px 10px 0 var(--line);
}

.page-news .news-hero-figure figcaption {
  margin-top: 12px;
  font-size: var(--fs-note);
  color: var(--mist);
  letter-spacing: .08em;
}

/* ---------- 区块标题 ---------- */
.page-news .news-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
}

.page-news .news-head h2 {
  margin: 0;
  font-size: var(--fs-h2);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-head-note {
  margin: 0;
  font-size: var(--fs-note);
  color: var(--mist);
}

.page-news .news-intro {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 更新记录一览 ---------- */
.page-news .log-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line);
}

.page-news .log-row {
  --c: var(--line);
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 18px 0 18px 16px;
  border-bottom: 1px solid var(--line);
  border-left: 3px solid var(--c);
  transition: background-color .18s ease-out;
}

.page-news .log-row:hover {
  background-color: var(--ink-2);
}

.page-news .log-row[data-cat="version"] { --c: var(--tag-version); }
.page-news .log-row[data-cat="panel"]   { --c: var(--tag-panel); }
.page-news .log-row[data-cat="cat"]     { --c: var(--tag-cat); }
.page-news .log-row[data-cat="service"] { --c: var(--tag-service); }

.page-news .log-ver {
  font-size: var(--fs-note);
  color: var(--mist);
  letter-spacing: .08em;
}

.page-news .log-tag {
  justify-self: start;
  padding: 2px 9px;
  border: 1px solid var(--c);
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  line-height: 1.5;
  letter-spacing: .08em;
  color: var(--c);
}

.page-news .log-body {
  min-width: 0;
}

.page-news .log-body p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--paper);
}

.page-news .log-link {
  display: inline-block;
  margin-top: 8px;
  font-size: var(--fs-note);
  letter-spacing: .08em;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease-out;
}

.page-news .log-link:hover,
.page-news .log-link:focus-visible {
  border-bottom-color: var(--neon);
}

.page-news .log-stop {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 2px;
  padding: 20px 0 20px 16px;
  border-left: 3px dashed var(--neon);
  font-size: var(--fs-note);
  letter-spacing: .08em;
  color: var(--mist);
}

/* ---------- V4 版本演进 ---------- */
.page-news .news-version-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: 28px;
}

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

.page-news .news-version-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--line);
  background-color: var(--ink-2);
}

.page-news .news-version-figure figcaption {
  margin-top: 12px;
  font-size: var(--fs-note);
  color: var(--mist);
  letter-spacing: .08em;
}

.page-news .ver-list {
  margin: 0;
  padding: 2px 0 2px 24px;
  list-style: none;
  border-left: 2px solid var(--neon);
  display: grid;
  gap: 10px;
}

.page-news .ver-node {
  min-width: 0;
  padding: 4px 0;
}

.page-news .ver-node summary {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .ver-node summary::before {
  content: "";
  position: absolute;
  left: -24px;
  top: .68em;
  width: 12px;
  height: 2px;
  background-color: var(--neon);
}

.page-news .ver-node summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--neon);
}

.page-news .ver-node details[open] summary::after {
  content: "−";
}

.page-news .ver-code {
  font-size: var(--fs-small);
  letter-spacing: .08em;
  color: var(--neon);
}

.page-news .ver-title {
  font-size: var(--fs-h4);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .ver-node details p {
  margin: 10px 0 6px;
  max-width: 42ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 面板改版 ---------- */
.page-news .news-rework-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-news .news-rework-copy h2 {
  margin: 10px 0 18px;
  font-size: var(--fs-h2);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-rework-copy p {
  margin: 0 0 16px;
  max-width: 42ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--mist);
}

.page-news .rework-points {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line);
}

.page-news .rework-points li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-small);
  color: var(--paper);
}

.page-news .rework-points .mono {
  font-size: var(--fs-note);
  letter-spacing: .08em;
  color: var(--neon);
}

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

.page-news .news-rework-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--line);
  box-shadow: 10px 10px 0 var(--line);
}

.page-news .news-rework-figure figcaption {
  margin-top: 12px;
  font-size: var(--fs-note);
  color: var(--mist);
  letter-spacing: .08em;
}

/* ---------- 分类年度复盘 ---------- */
.page-news .review-panel {
  padding: clamp(24px, 4vw, 52px);
}

.page-news .review-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: center;
}

.page-news .review-panel .index-label {
  color: var(--neon-deep);
}

.page-news .review-copy h2 {
  margin: 10px 0 16px;
  font-size: var(--fs-h2);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .review-copy p {
  margin: 0 0 16px;
  max-width: 42ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink-2);
}

.page-news .review-stats {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: #D8CFC0;
  border: 1px solid #D8CFC0;
}

.page-news .review-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background-color: var(--paper);
}

.page-news .review-stats .stat-num {
  font-family: var(--font-mono);
  font-size: var(--fs-h3);
  line-height: 1;
  color: var(--ink);
}

.page-news .review-stats .stat-label {
  font-size: var(--fs-note);
  letter-spacing: .08em;
  color: var(--mist-deep);
}

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

.page-news .review-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--ink);
}

.page-news .review-figure figcaption {
  margin-top: 12px;
  font-size: var(--fs-note);
  letter-spacing: .08em;
  color: var(--mist-deep);
}

/* ---------- 后续入口 ---------- */
.page-news .news-next-grid {
  margin-top: 26px;
}

.page-news .news-next-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  color: var(--paper);
  text-decoration: none;
  transition: transform .18s ease-out, box-shadow .18s ease-out;
}

.page-news .news-next-code {
  font-size: var(--fs-note);
  letter-spacing: .08em;
  color: var(--neon);
}

.page-news .news-next-card h3 {
  margin: 0;
  font-size: var(--fs-h4);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-next-card p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-next-card:hover,
.page-news .news-next-card:focus-visible {
  transform: translate(6px, -6px);
  box-shadow: 10px 10px 0 var(--neon);
}

.page-news .news-next-card:focus-visible {
  outline: 2px solid var(--neon-soft);
  outline-offset: 4px;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-news .review-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-news .log-row {
    grid-template-columns: 92px 84px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

  .page-news .log-ver {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }

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

  .page-news .news-rework-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }

  .page-news .review-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1040px) {
  .page-news .news-version-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}

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

  .page-news .news-next-card:hover,
  .page-news .news-next-card:focus-visible {
    transform: none;
  }
}