.page-news {
  --pn-rule: rgba(169, 187, 208, .18);
  --pn-rail: 272px;
  --pn-glow: rgba(0, 229, 255, .35);
  display: block;
}

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

.page-news .stream-sec,
.page-news .entry[id] {
  scroll-margin-top: calc(var(--hdr-h-shrink) + 24px);
}

/* ---------- 封面 ---------- */

.page-news .blog-masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 9vw, 108px) 0 0;
  background:
    radial-gradient(900px 420px at 84% 6%, rgba(0, 229, 255, .16), transparent 68%),
    radial-gradient(700px 400px at 8% 82%, rgba(255, 107, 53, .12), transparent 70%),
    linear-gradient(158deg, var(--wine-800) 0%, #3A1338 46%, var(--violet-800) 100%);
  color: var(--mist);
}

.page-news .blog-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: .55;
}

.page-news .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(24px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-news .crumbs-item {
  color: var(--haze);
  text-decoration: none;
  transition: color .25s var(--ease);
}

.page-news a.crumbs-item:hover {
  color: var(--cyan);
}

.page-news .crumbs-item[aria-current] {
  color: #fff;
}

.page-news .crumbs-item + .crumbs-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(169, 187, 208, .5);
}

.page-news .sec-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .masthead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-news .masthead-title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 6.4vw, 76px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.02em;
  color: #fff;
  max-width: 16ch;
}

.page-news .masthead-lead {
  margin: 22px 0 0;
  font-size: clamp(15px, 1.9vw, 17.5px);
  line-height: 1.85;
  color: rgba(232, 238, 245, .86);
  max-width: 60ch;
}

.page-news .line-head {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(232, 238, 245, .6);
}

.page-news .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .topic-link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  column-gap: 14px;
  padding: 16px 2px;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  text-decoration: none;
  color: #fff;
  transition: background .3s var(--ease), padding-left .3s var(--ease);
}

.page-news .topic-link:hover,
.page-news .topic-link:focus-visible {
  background: rgba(0, 229, 255, .07);
  padding-left: 12px;
}

.page-news .topic-num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-news .topic-name {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-news .topic-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--haze);
  margin-top: 4px;
}

.page-news .masthead-media {
  margin: clamp(36px, 6vw, 68px) 0 0;
  position: relative;
}

.page-news .masthead-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: var(--cut-path);
  border: 1px solid rgba(0, 229, 255, .22);
}

/* ---------- 主体双栏 ---------- */

.page-news .blog-body {
  background: var(--blue-900);
  color: var(--mist);
  padding: clamp(48px, 7vw, 96px) 0 clamp(64px, 9vw, 120px);
}

.page-news .blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.page-news .rail-inner {
  display: grid;
  gap: 4px;
}

.page-news .rail-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-news .rail-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  counter-reset: rail;
}

.page-news .rail-link {
  counter-increment: rail;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--haze);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-news .rail-link::before {
  content: counter(rail, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(200, 162, 74, .8);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  color: #fff;
  background: rgba(0, 229, 255, .06);
}

.page-news .rail-link.is-active,
.page-news .rail-link[aria-current] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(0, 229, 255, .08);
}

.page-news .rail-link.is-active::before,
.page-news .rail-link[aria-current]::before {
  color: var(--cyan);
}

.page-news .filter-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.page-news .filter-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 2px;
  font-size: 14px;
  color: var(--haze);
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .filter-item.is-on {
  color: #fff;
}

.page-news .filter-item.is-on span:first-child {
  position: relative;
  padding-left: 14px;
}

.page-news .filter-item.is-on span:first-child::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-news .filter-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-news .tag-cloud {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .tag {
  display: inline-block;
  padding: 5px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--haze);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-news .tag:hover,
.page-news .tag:focus-visible {
  color: var(--blue-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节通用 ---------- */

.page-news .stream-sec {
  padding-bottom: clamp(44px, 6vw, 76px);
  margin-bottom: clamp(44px, 6vw, 76px);
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .stream-sec:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-news .sec-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--gold);
  padding-top: 4px;
}

.page-news .sec-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.16;
  color: #fff;
}

.page-news .sec-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
  max-width: 54ch;
}

/* ---------- 本期精选 ---------- */

.page-news .feature {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-news .feature-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  clip-path: var(--cut-path);
  border: 1px solid rgba(0, 229, 255, .24);
}

.page-news .feature-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .feature-veil {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: clamp(20px, 4vw, 36px);
  background: linear-gradient(180deg, rgba(6, 24, 47, 0) 0%, rgba(6, 24, 47, .62) 42%, rgba(6, 24, 47, .93) 100%);
}

.page-news .feature-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .feature-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  color: #fff;
  max-width: 24ch;
}

.page-news .feature-body p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 60ch;
}

.page-news .feature-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pn-glow);
  transition: border-color .25s var(--ease);
}

.page-news .feature-body a:hover {
  border-bottom-color: var(--cyan);
}

.page-news .step-list {
  list-style: none;
  counter-reset: step;
  margin: 22px 0;
  padding: 0;
  max-width: 62ch;
}

.page-news .step-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--pn-rule);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .step-list li:last-child {
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .step-list li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  padding-top: 5px;
}

.page-news .step-list strong {
  color: #fff;
  font-weight: 700;
}

/* ---------- 更新列表 ---------- */

.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--pn-rule);
}

.page-news .entry:last-child {
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .entry::after {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 255, 0));
  transition: width .4s var(--ease);
}

.page-news .entry:hover::after,
.page-news .entry:focus-within::after {
  width: 100%;
}

.page-news .entry-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  padding-top: 6px;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--haze);
}

.page-news .entry-cat {
  color: var(--cyan);
}

.page-news .entry-time {
  position: relative;
  padding-left: 13px;
}

.page-news .entry-time::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  border: 1px solid var(--haze);
  border-radius: 50%;
}

.page-news .entry-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  max-width: 30ch;
  transition: color .25s var(--ease);
}

.page-news .entry:hover .entry-title {
  color: var(--cyan);
}

.page-news .entry-sum {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--haze);
  max-width: 56ch;
}

.page-news .entry-thumb {
  margin: 16px 0 0;
  max-width: 300px;
  overflow: hidden;
  clip-path: var(--cut-path);
  border: 1px solid var(--line-ghost);
}

.page-news .entry-thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 版本更新 ---------- */

.page-news .version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .version-card {
  padding: clamp(20px, 3vw, 28px);
  background: rgba(15, 76, 92, .26);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut-path);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-news .version-card:hover {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, .06);
}

.page-news .version-tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-news .version-card h3 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
}

.page-news .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .version-list li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-ghost);
  font-size: 14px;
  line-height: 1.7;
  color: var(--haze);
}

.page-news .version-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .version-list .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-news .version-foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
  max-width: 58ch;
}

.page-news .version-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pn-glow);
}

.page-news .version-foot a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 订阅与资料 ---------- */

.page-news .cta-panel {
  padding: clamp(26px, 5vw, 52px);
  background:
    radial-gradient(520px 260px at 88% 0%, rgba(0, 229, 255, .18), transparent 70%),
    linear-gradient(150deg, var(--wine-800) 0%, #351748 55%, var(--violet-800) 100%);
  border: 1px solid rgba(200, 162, 74, .38);
  clip-path: var(--cut-path);
}

.page-news .cta-panel .sec-num {
  display: block;
  padding: 0;
  margin-bottom: 14px;
}

.page-news .cta-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  max-width: 22ch;
}

.page-news .cta-lead {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(232, 238, 245, .88);
  max-width: 58ch;
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-news .cta-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: .04em;
  color: var(--haze);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-news .version-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .version-card:first-child {
    grid-column: 1 / -1;
  }

  .page-news .entry {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 20px;
    padding: 26px 0;
  }
}

@media (min-width: 900px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-news .blog-grid {
    grid-template-columns: var(--pn-rail) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-news .rail-inner {
    position: sticky;
    top: calc(var(--hdr-h-shrink) + 28px);
  }

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

@media (max-width: 520px) {
  .page-news .version-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-news .sec-head {
    gap: 12px;
  }

  .page-news .cta-actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-link,
  .page-news .entry::after,
  .page-news .entry-title,
  .page-news .rail-link,
  .page-news .tag,
  .page-news .version-card {
    transition: none;
  }
}