.page-news {
  --news-rule: rgba(141, 184, 174, 0.16);
  --news-rule-strong: rgba(61, 242, 208, 0.28);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .news-wrap {
  padding-top: clamp(1.25rem, 3.5vw, 2.25rem);
}

.page-news .news-wrap > .breadcrumb {
  margin-bottom: clamp(1rem, 2.5vw, 1.75rem);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  padding-bottom: clamp(2rem, 5vw, 3.25rem);
  border-bottom: 1px solid var(--news-rule);
}

.page-news .hero-copy h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 6.2vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--paper);
}

.page-news .hero-lead {
  margin: 1.1rem 0 0;
  max-width: 36em;
  font-size: clamp(0.98rem, 2.3vw, 1.1rem);
  line-height: 1.8;
  color: var(--paper);
}

.page-news .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.25rem;
  margin: 1.75rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--news-rule-strong);
}

.page-news .stat {
  display: grid;
  gap: 0.2rem;
}

.page-news .stat-label {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.07em;
  color: var(--mist);
}

.page-news .stat-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cyan-500);
}

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

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

.page-news .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 章节骨架 ---------- */
.page-news .news-section {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
}

.page-news .news-section + .news-section {
  border-top: 1px solid var(--news-rule);
}

.page-news .section-head {
  display: grid;
  gap: 0.5rem;
  max-width: 44rem;
  margin-bottom: clamp(1.5rem, 3.5vw, 2rem);
}

.page-news .section-head h2,
.page-news .spread-copy h2,
.page-news .data-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 4.2vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.22;
  color: var(--paper);
}

.page-news .section-head p:not(.eyebrow) {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .text-link {
  display: inline-block;
  margin-top: 1.35rem;
  font-size: 0.88rem;
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 208, 0.45);
  padding-bottom: 0.15rem;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .text-link:hover,
.page-news .text-link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 更新索引 ---------- */
.page-news .digest-shell {
  position: relative;
}

.page-news .cat-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  clip-path: inset(50%);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.page-news .filter-opt {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.9rem;
  border: 1px solid var(--news-rule-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--mist);
  cursor: pointer;
  transition: color 0.18s var(--ease), background 0.18s var(--ease),
    border-color 0.18s var(--ease);
}

.page-news .filter-opt:hover {
  color: var(--paper);
  border-color: var(--cyan-500);
}

.page-news #f-all:checked ~ .filter-bar [for="f-all"],
.page-news #f-schedule:checked ~ .filter-bar [for="f-schedule"],
.page-news #f-release:checked ~ .filter-bar [for="f-release"],
.page-news #f-data:checked ~ .filter-bar [for="f-data"],
.page-news #f-guide:checked ~ .filter-bar [for="f-guide"] {
  color: var(--ink-900);
  background: var(--cyan-500);
  border-color: var(--cyan-500);
  font-weight: 700;
}

.page-news #f-all:focus-visible ~ .filter-bar [for="f-all"],
.page-news #f-schedule:focus-visible ~ .filter-bar [for="f-schedule"],
.page-news #f-release:focus-visible ~ .filter-bar [for="f-release"],
.page-news #f-data:focus-visible ~ .filter-bar [for="f-data"],
.page-news #f-guide:focus-visible ~ .filter-bar [for="f-guide"] {
  outline: 2px solid var(--amber-400);
  outline-offset: 3px;
}

.page-news #f-schedule:checked ~ .digest-list .digest-item:not(.cat-schedule),
.page-news #f-release:checked ~ .digest-list .digest-item:not(.cat-release),
.page-news #f-data:checked ~ .digest-list .digest-item:not(.cat-data),
.page-news #f-guide:checked ~ .digest-list .digest-item:not(.cat-guide) {
  display: none;
}

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

.page-news .digest-item {
  display: grid;
  gap: 0.45rem;
  padding: 1.05rem 0 1.15rem;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .digest-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.6rem;
}

.page-news .digest-flag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  padding: 0.16rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--news-rule-strong);
  color: var(--cyan-100);
}

.page-news .cat-schedule .digest-flag {
  color: var(--cyan-500);
  border-color: rgba(61, 242, 208, 0.5);
}

.page-news .cat-data .digest-flag {
  color: var(--amber-400);
  border-color: rgba(242, 184, 75, 0.5);
}

.page-news .cat-guide .digest-flag {
  color: var(--paper);
  border-color: rgba(234, 247, 243, 0.4);
}

.page-news .digest-when {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .digest-title {
  margin: 0;
  font-size: clamp(0.98rem, 2.4vw, 1.1rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.page-news .digest-title a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .digest-title a:hover,
.page-news .digest-title a:focus-visible {
  color: var(--cyan-500);
  border-bottom-color: rgba(61, 242, 208, 0.55);
}

.page-news .digest-sum {
  margin: 0.28rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .digest-promo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-top: 1.6rem;
  padding: 1.1rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--news-rule-strong);
  background: linear-gradient(102deg, rgba(43, 37, 84, 0.85), rgba(14, 75, 68, 0.72));
}

.page-news .digest-promo p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .digest-promo strong {
  font-family: var(--font-mono);
  color: var(--amber-400);
  font-weight: 600;
  margin-right: 0.4rem;
}

/* ---------- 图文分栏 ---------- */
.page-news .spread {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  align-items: center;
}

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

.page-news .spread-media img,
.page-news .data-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .spread-media img {
  aspect-ratio: 3 / 2;
}

.page-news .spread-copy p:not(.eyebrow) {
  margin: 1rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .point-list {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-news .point-list li {
  display: grid;
  grid-template-columns: 1.9rem 1fr;
  gap: 0.55rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-news .point-list .k {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--amber-400);
  padding-top: 0.22rem;
}

/* ---------- 版本维护时间轴 ---------- */
.page-news .log-timeline {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0 0 0 1.4rem;
  border-left: 1px solid var(--news-rule-strong);
  display: grid;
  gap: 1.5rem;
}

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

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: -1.79rem;
  top: 0.42rem;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan-500);
}

.page-news .log-when {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.05em;
  color: var(--amber-400);
}

.page-news .log-item h3 {
  margin: 0.32rem 0 0.3rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .log-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 数据观察 ---------- */
.page-news .data-panel {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.25rem);
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--news-rule-strong);
  background: linear-gradient(158deg, rgba(14, 75, 68, 0.88), rgba(6, 42, 36, 0.96));
}

.page-news .data-figure {
  order: -1;
  margin: 0;
}

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

.page-news .latency {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.page-news .latency-row {
  display: grid;
  gap: 0.4rem;
}

.page-news .latency-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0;
  font-size: 0.86rem;
  color: var(--paper);
}

.page-news .latency-head span:last-child {
  font-family: var(--font-mono);
  color: var(--cyan-500);
}

.page-news .latency-track {
  height: 0.5rem;
  border-radius: 999px;
  background: rgba(159, 247, 231, 0.12);
  overflow: hidden;
}

.page-news .latency-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan-500), var(--amber-400));
}

.page-news .fill-5 {
  width: 18%;
}

.page-news .fill-30 {
  width: 100%;
}

.page-news .metric-note {
  margin: 1.4rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .metric-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

/* ---------- 操作指南 ---------- */
.page-news .guide-grid {
  display: grid;
  gap: 1rem;
}

.page-news .guide-card {
  display: grid;
  gap: 0.45rem;
  align-content: start;
  padding: 1.35rem 1.3rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--news-rule);
  background: var(--ink-800);
}

.page-news .guide-step {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cyan-500);
}

.page-news .guide-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .guide-card h3 a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 208, 0.35);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .guide-card h3 a:hover,
.page-news .guide-card h3 a:focus-visible {
  color: var(--cyan-500);
  border-bottom-color: var(--cyan-500);
}

.page-news .guide-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 专题与回访 ---------- */
.page-news .follow-grid {
  display: grid;
  gap: 1rem;
}

.page-news .special-card {
  padding: clamp(1.35rem, 3.5vw, 2rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--news-rule-strong);
  background: linear-gradient(152deg, rgba(110, 31, 59, 0.6), rgba(11, 58, 50, 0.92) 68%);
}

.page-news .special-card h3 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.2vw, 1.55rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .special-card > p:not(.eyebrow) {
  margin: 0.75rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-news .special-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-news .special-list li {
  position: relative;
  padding-left: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--cyan-100);
}

.page-news .special-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 2px;
  background: var(--amber-400);
}

.page-news .special-card .btn {
  margin-top: 1.4rem;
}

.page-news .follow-side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-news .follow-card {
  padding: 1.1rem 1.25rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--news-rule);
  background: var(--ink-800);
}

.page-news .follow-card h3 {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .follow-card h3 a {
  color: var(--cyan-100);
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 247, 231, 0.35);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .follow-card h3 a:hover,
.page-news .follow-card h3 a:focus-visible {
  color: var(--cyan-500);
  border-bottom-color: var(--cyan-500);
}

.page-news .follow-card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .digest-item {
    grid-template-columns: 9.5rem 1fr;
    align-items: start;
    gap: 0.25rem 1.1rem;
  }

  .page-news .digest-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    padding-top: 0.1rem;
  }

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

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

  .page-news .data-panel {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-news .data-figure {
    order: 0;
  }

  .page-news .follow-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

@media (min-width: 920px) {
  .page-news .spread {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-news .spread--flip .spread-copy {
    order: 1;
  }

  .page-news .spread--flip .spread-media {
    order: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-opt,
  .page-news .digest-title a,
  .page-news .text-link,
  .page-news .guide-card h3 a,
  .page-news .follow-card h3 a {
    transition: none;
  }
}