.page-news {
  --news-card: rgba(16, 36, 62, 0.72);
  --news-card-soft: rgba(22, 47, 77, 0.55);
  --news-cyan-soft: rgba(47, 230, 214, 0.12);
  --news-orange-soft: rgba(255, 138, 61, 0.10);
  --news-lead: clamp(1rem, 2.2vw, 1.125rem);
  position: relative;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 520px at 8% -8%, var(--news-cyan-soft), transparent 62%),
    radial-gradient(920px 520px at 100% 6%, var(--news-orange-soft), transparent 58%);
  overflow-x: hidden;
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

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

.page-news .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-news .media-frame__caption {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--line);
  background: rgba(10, 22, 40, 0.7);
}

.page-news .section {
  position: relative;
  padding: clamp(2.25rem, 6vw, 4.25rem) 0;
}

.page-news .section__head {
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-news .section__head h2 {
  margin: 0.35rem 0 0.75rem;
  font-size: clamp(1.6rem, 4.2vw, 2.25rem);
  font-weight: 400;
  letter-spacing: 0.09em;
  line-height: 1.25;
}

.page-news .section__lead,
.page-news .section__head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: var(--news-lead);
}

.page-news .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2rem, 5vw, 3.25rem);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(420px, 70%);
  background-image:
    linear-gradient(to right, rgba(36, 64, 92, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 64, 92, 0.5) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(150deg, rgba(0, 0, 0, 0.9), transparent 72%);
  mask-image: linear-gradient(150deg, rgba(0, 0, 0, 0.9), transparent 72%);
  pointer-events: none;
}

.page-news .news-hero .container {
  position: relative;
}

.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

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

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
}

.page-news .news-hero__intro h1 {
  margin: 0.6rem 0 1rem;
  font-size: clamp(2rem, 6.6vw, 3.6rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.15;
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: var(--news-lead);
  line-height: 1.9;
  color: var(--paper);
  opacity: 0.86;
}

.page-news .news-hero__stats {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-news .hero-stat {
  background: var(--news-card);
  padding: 1rem 1.15rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.page-news .hero-stat__label {
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-news .hero-stat__value {
  margin: 0;
  font-family: var(--mono);
  color: var(--cyan);
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
}

.page-news .stat-num {
  font-family: var(--mono);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .stat-unit {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.page-news .news-hero__figure {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  border-radius: var(--r-xl);
  position: relative;
}

.page-news .news-hero__figure img {
  aspect-ratio: 2 / 1;
}

/* ---------- 日志条目 ---------- */

.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
}

.page-news .log-entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  padding: clamp(1.05rem, 3vw, 1.5rem);
  background: var(--news-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease), background 0.35s var(--ease);
}

.page-news .log-entry:hover,
.page-news .log-entry:focus-within {
  transform: translateY(-4px);
  border-color: rgba(47, 230, 214, 0.5);
  background: var(--news-card-soft);
  box-shadow: var(--shadow-lift);
}

.page-news .log-entry__meta {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-news .log-entry__num {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  transition: color 0.3s var(--ease);
}

.page-news .log-entry__time {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
}

.page-news .log-entry:hover .log-entry__num,
.page-news .log-entry:focus-within .log-entry__num {
  color: var(--orange);
}

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

.page-news .log-entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.55rem;
}

.page-news .log-entry__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.page-news .log-entry__desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s var(--ease);
}

.page-news .log-entry:hover .log-entry__desc,
.page-news .log-entry:focus-within .log-entry__desc {
  -webkit-line-clamp: unset;
  display: block;
  overflow: visible;
  color: var(--paper);
}

/* ---------- 专题展区 ---------- */

.page-news .topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-news .topic-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--paper);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(10, 22, 40, 0.55);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease),
    background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-news .topic-tag:hover,
.page-news .topic-tag:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .topic-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .topic-figure img {
  aspect-ratio: 4 / 3;
}

.page-news .topic-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
}

.page-news .topic-card {
  position: relative;
  padding: clamp(1.1rem, 3vw, 1.5rem) clamp(1.1rem, 3vw, 1.6rem);
  background: linear-gradient(150deg, rgba(22, 47, 77, 0.75), rgba(10, 22, 40, 0.85));
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-within {
  border-color: rgba(255, 138, 61, 0.55);
  transform: translateY(-3px);
}

.page-news .index-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-news .topic-card__title {
  margin: 0.5rem 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.06em;
}

.page-news .topic-card__desc {
  margin: 0 0 0.9rem;
  color: var(--muted);
  line-height: 1.8;
  font-size: 0.94rem;
}

.page-news .topic-card__link {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-news .topic-card__link:hover,
.page-news .topic-card__link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 案例合集对照 ---------- */

.page-news .compare-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.page-news .compare-figure img {
  aspect-ratio: 10 / 7;
}

.page-news .compare-table {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--line);
  display: grid;
  gap: 1px;
}

.page-news .compare-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5rem;
  padding: clamp(0.9rem, 2.6vw, 1.15rem) clamp(0.95rem, 3vw, 1.35rem);
  background: var(--ink-2);
  transition: background 0.3s var(--ease);
}

.page-news .compare-row:hover {
  background: var(--ink-3);
}

.page-news .compare-row--head {
  display: none;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  background: rgba(26, 169, 160, 0.14);
}

.page-news .compare-cell {
  color: var(--paper);
  font-size: 0.94rem;
  line-height: 1.75;
  min-width: 0;
}

.page-news .compare-cell__key {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.page-news .compare-note {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 0.94rem;
}

.page-news .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 230, 214, 0.45);
  padding-bottom: 1px;
}

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

/* ---------- 版本演进 ---------- */

.page-news .version-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-news .version-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.6rem;
  position: relative;
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
}

.page-news .version-track::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(47, 230, 214, 0.06));
}

.page-news .version-item {
  position: relative;
}

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: calc(-1.6rem + 2px);
  top: 0.45rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-news .version-item:hover::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-news .version-item__badge {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  display: inline-block;
}

.page-news .version-item__title {
  margin: 0.65rem 0 0.4rem;
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.page-news .version-item__desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 0.94rem;
  max-width: 52ch;
}

.page-news .version-figure img {
  aspect-ratio: 3 / 2;
}

/* ---------- 更新节奏 ---------- */

.page-news .rhythm-panel {
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: clamp(1.4rem, 4vw, 2.6rem);
  background:
    linear-gradient(160deg, rgba(26, 169, 160, 0.16), rgba(10, 22, 40, 0) 58%),
    var(--ink-2);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .rhythm-head h2 {
  margin: 0.35rem 0 0.75rem;
  font-size: clamp(1.5rem, 3.8vw, 2.1rem);
  font-weight: 400;
  letter-spacing: 0.09em;
}

.page-news .rhythm-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  font-size: var(--news-lead);
  max-width: 60ch;
}

.page-news .rhythm-stats {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-news .rhythm-stat {
  background: rgba(10, 22, 40, 0.78);
  padding: 1rem 1.15rem;
}

.page-news .rhythm-stat dt {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.page-news .rhythm-stat dd {
  margin: 0;
  color: var(--paper);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- 下一步 ---------- */

.page-news .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
}

.page-news .next-card {
  display: block;
  text-decoration: none;
  color: var(--paper);
  padding: clamp(1.1rem, 3vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--news-card);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
    background 0.35s var(--ease);
}

.page-news .next-card:hover,
.page-news .next-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(47, 230, 214, 0.5);
  background: var(--news-card-soft);
}

.page-news .next-card__title {
  margin: 0.55rem 0 0.45rem;
  font-size: 1.08rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.page-news .next-card__desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 0.92rem;
}

/* ---------- 滚动显现 ---------- */

.page-news [data-reveal] {
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.js-reveal .page-news [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}

.js-reveal .page-news [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal],
  .js-reveal .page-news [data-reveal] {
    transition: none;
    opacity: 1;
    transform: none;
  }

  .page-news .log-entry,
  .page-news .topic-card,
  .page-news .next-card,
  .page-news .topic-tag {
    transition: none;
  }
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .hero-stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }

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

  .page-news .compare-row {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr) minmax(0, 1.2fr);
    gap: 1rem;
    align-items: baseline;
  }

  .page-news .compare-cell__key {
    display: none;
  }

  .page-news .compare-row--head {
    display: grid;
  }

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

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

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .log-entry {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: clamp(1rem, 2.6vw, 1.75rem);
    align-items: start;
  }

  .page-news .log-entry__meta {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.4rem;
    padding-right: 1.5rem;
    border-right: 1px solid var(--line);
    text-align: right;
    height: 100%;
  }

  .page-news .log-entry__meta::after {
    content: "";
    position: absolute;
    right: -4.5px;
    top: 6px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--line);
    transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
  }

  .page-news .log-entry:hover .log-entry__meta::after,
  .page-news .log-entry:focus-within .log-entry__meta::after {
    background: var(--cyan);
    box-shadow: 0 0 0 4px var(--news-cyan-soft);
  }

  .page-news .topic-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .compare-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

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

  .page-news .rhythm-panel {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-news .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero__intro h1 {
    letter-spacing: 0.08em;
  }

  .page-news .log-entry {
    grid-template-columns: 138px minmax(0, 1fr);
  }
}