.page-news {
  --news-gap: clamp(24px, 4vw, 56px);
  --news-pad: clamp(36px, 5vw, 76px);
}

.page-news .news-crumb {
  padding: 18px 0 0;
}

.page-news .breadcrumb a {
  color: var(--ink-mute);
  text-decoration: none;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--c-flag-blue);
}

/* ── 首屏 ───────────────────────────────────────── */

.page-news .news-hero {
  position: relative;
  padding: clamp(26px, 4.4vw, 62px) 0 clamp(16px, 3vw, 34px);
  background:
    radial-gradient(880px 420px at 82% 4%, rgba(108, 92, 224, 0.26), transparent 62%),
    radial-gradient(620px 340px at 4% 2%, rgba(58, 114, 248, 0.16), transparent 66%);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-news .news-hero__copy h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.98rem, 4.4vw, 3.35rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 14px 0 18px;
  color: var(--ink);
}

.page-news .news-hero__copy .lede {
  max-width: 46em;
  color: var(--ink-dim);
}

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

.page-news .news-hero__status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 22px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

.page-news .news-hero__status span {
  position: relative;
  padding-left: 14px;
}

.page-news .news-hero__status span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--hair-strong);
}

/* ── 图片容器 ────────────────────────────────────── */

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

.page-news .media-frame {
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--hair);
  background: var(--c-ridge);
}

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

.page-news .media-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-mute);
}

.page-news .news-hero__media .media-frame { aspect-ratio: 7 / 4; }
.page-news .log-figure .media-frame { aspect-ratio: 10 / 7; }
.page-news .remind-media .media-frame { aspect-ratio: 2 / 1; }
.page-news .index-media .media-frame { aspect-ratio: 5 / 3; }

/* ── 主体两栏 ────────────────────────────────────── */

.page-news .news-body {
  padding: clamp(22px, 3vw, 40px) 0 clamp(40px, 6vw, 80px);
}

.page-news .news-grid {
  align-items: start;
}

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

.page-news .news-side__inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .side-nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-news .side-nav a {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid var(--hair);
  border-radius: var(--r-pill);
  color: var(--ink-dim);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .side-nav a:hover,
.page-news .side-nav a:focus-visible {
  color: var(--ink);
  border-color: var(--c-flag-blue);
  background: rgba(58, 114, 248, 0.14);
}

.page-news .side-split {
  height: 1px;
  background: var(--hair);
  margin: 4px 0;
}

.page-news .side-meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 13px;
  color: var(--ink-mute);
}

.page-news .side-meta .mono {
  color: var(--c-mist);
  font-size: 15px;
}

/* ── 章节通用 ────────────────────────────────────── */

.page-news .news-cycle,
.page-news .news-log,
.page-news .news-compare,
.page-news .news-index,
.page-news .news-remind {
  padding: var(--news-pad) 0;
  scroll-margin-top: 96px;
}

.page-news .news-cycle,
.page-news .news-compare,
.page-news .news-index {
  border-top: 1px solid var(--hair);
}

.page-news .section-head {
  max-width: 780px;
}

.page-news .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.9vw, 2.2rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 10px 0 12px;
  color: var(--ink);
}

.page-news .section-head p {
  margin: 0;
  color: var(--ink-dim);
}

/* ── 本周期三条重点 ─────────────────────────────── */

.page-news .cycle-grid {
  display: grid;
  gap: clamp(20px, 2.6vw, 28px);
  margin-top: clamp(24px, 3.2vw, 36px);
}

.page-news .cycle-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--c-flag-blue);
}

.page-news .cycle-card--warn { border-left-color: var(--c-flag-yellow); }
.page-news .cycle-card--alert { border-left-color: var(--c-flag-red); }

.page-news .cycle-card .chip {
  justify-self: start;
}

.page-news .cycle-card h3 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .cycle-card p {
  margin: 0;
  font-size: 15.5px;
  color: var(--ink-dim);
}

.page-news .cycle-facts {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-news .cycle-facts li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-mist);
}

/* ── 条目流 ─────────────────────────────────────── */

.page-news .log-list {
  list-style: none;
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 0;
  position: relative;
}

.page-news .log-list--tail {
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-news .log-list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--hair-strong) 10%, var(--hair-strong) 88%, transparent);
}

.page-news .log-entry {
  position: relative;
  padding-left: 34px;
  padding-block: clamp(20px, 2.6vw, 30px);
}

.page-news .log-entry + .log-entry {
  border-top: 1px solid var(--hair);
}

.page-news .log-list > .log-entry:first-child {
  padding-top: 4px;
}

.page-news .log-entry::before {
  content: "";
  position: absolute;
  left: 1px;
  top: clamp(24px, 2.9vw, 34px);
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--c-night);
  border: 1px solid var(--hair-strong);
}

.page-news .log-list > .log-entry:first-child::before {
  top: 6px;
  background: var(--c-flag-blue);
  border-color: var(--c-flag-blue);
}

.page-news .log-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .log-entry__ver {
  font-size: 14.5px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
  background: rgba(127, 211, 224, 0.08);
  border: 1px solid var(--hair);
  border-radius: var(--r-pill);
  padding: 3px 12px;
}

.page-news .log-entry__time {
  font-size: 13px;
  color: var(--ink-mute);
}

.page-news .log-entry h3 {
  margin: 12px 0 8px;
  font-size: 1.22rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .log-entry__sum {
  margin: 0 0 14px;
  color: var(--ink-dim);
  font-size: 15.5px;
}

.page-news .log-entry .fold {
  border-top: 1px dashed var(--hair);
}

.page-news .log-entry details.fold > summary {
  cursor: pointer;
  list-style: none;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--c-flag-blue);
  transition: color 0.2s var(--ease);
}

.page-news .log-entry details.fold > summary::-webkit-details-marker {
  display: none;
}

.page-news .log-entry details.fold > summary::before {
  content: "+ ";
}

.page-news .log-entry details.fold[open] > summary::before {
  content: "− ";
}

.page-news .log-entry details.fold[open] > summary {
  color: var(--c-mist);
}

.page-news .log-entry .fold__body {
  padding: 14px 0 2px;
}

.page-news .log-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-news .log-points li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-news .log-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-flag-blue);
}

.page-news .log-scope {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-mist);
}

.page-news .log-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

/* ── 版本对照表 ──────────────────────────────────── */

.page-news .compare-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-news .compare-table th,
.page-news .compare-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: middle;
  font-size: 14.5px;
  line-height: 1.6;
  border-bottom: 1px solid var(--hair);
  color: var(--ink-dim);
}

.page-news .compare-table thead th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--hair-strong);
  white-space: nowrap;
}

.page-news .compare-table tbody th {
  font-weight: 500;
  color: var(--c-mist);
  white-space: nowrap;
}

.page-news .compare-table tbody tr:nth-child(even) {
  background: rgba(16, 26, 56, 0.62);
}

.page-news .compare-table tbody tr:hover {
  background: rgba(58, 114, 248, 0.12);
}

.page-news .tier-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 9px;
  vertical-align: 1px;
  background: var(--ink-mute);
}

.page-news .tier-dot--ok { background: var(--c-flag-green); }
.page-news .tier-dot--warn { background: var(--c-flag-yellow); }
.page-news .tier-dot--flat { background: var(--c-slate); }

.page-news .compare-note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--ink-mute);
}

.page-news .compare-link {
  margin: 16px 0 0;
}

/* ── 分类索引 ────────────────────────────────────── */

.page-news .index-grid {
  display: grid;
  gap: 0;
  margin-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--hair);
}

.page-news .index-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no title"
    ". desc";
  gap: 4px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hair);
  text-decoration: none;
  color: inherit;
  transition: background 0.22s var(--ease);
}

.page-news .index-item:hover,
.page-news .index-item:focus-visible {
  background: rgba(58, 114, 248, 0.08);
}

.page-news .index-item__no {
  grid-area: no;
  padding-top: 5px;
  font-size: 13px;
  color: var(--c-mist);
}

.page-news .index-item h3 {
  grid-area: title;
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.5;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

.page-news .index-item:hover h3,
.page-news .index-item:focus-visible h3 {
  color: var(--c-flag-blue);
}

.page-news .index-item p {
  grid-area: desc;
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-news .index-media {
  margin-top: clamp(26px, 3.4vw, 40px);
}

/* ── 回访与提醒 ──────────────────────────────────── */

.page-news .remind-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-news .remind-copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.9vw, 2.2rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 10px 0 12px;
  color: var(--ink);
}

.page-news .remind-copy .lede {
  margin: 0;
  color: var(--ink-dim);
}

.page-news .remind-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-news .remind-list li {
  display: grid;
  gap: 4px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hair);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-news .remind-list .mono {
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--c-flag-yellow);
}

.page-news .remind-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
}

.page-news .remind-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .remind-back {
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  font-size: 14px;
}

.page-news .remind-back a {
  color: var(--c-mist);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-news .remind-back a:hover,
.page-news .remind-back a:focus-visible {
  color: var(--c-flag-blue);
}

/* ── 响应式 ─────────────────────────────────────── */

@media (min-width: 620px) {
  .page-news .remind-list li {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-news .cycle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 6.1fr) minmax(0, 5fr);
  }

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

  .page-news .remind-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 1024px) {
  .page-news .news-side__inner {
    position: sticky;
    top: 96px;
  }

  .page-news .side-nav {
    flex-direction: column;
    overflow-x: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-news .side-nav a {
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    padding: 9px 12px;
    font-size: 15px;
  }

  .page-news .side-nav a:hover,
  .page-news .side-nav a:focus-visible {
    border-left-color: var(--c-flag-blue);
  }
}

@media (min-width: 1120px) {
  .page-news .index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 48px;
  }
}

@media (max-width: 519px) {
  .page-news .log-entry {
    padding-left: 26px;
  }

  .page-news .log-list::before {
    left: 5px;
  }

  .page-news .log-entry::before {
    left: 0;
    width: 11px;
    height: 11px;
  }

  .page-news .compare-table th,
  .page-news .compare-table td {
    padding: 11px 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .side-nav a,
  .page-news .index-item,
  .page-news .index-item h3,
  .page-news .log-entry details.fold > summary {
    transition: none;
  }
}