.page-news {
  --news-gap: clamp(18px, 3vw, 34px);
  --news-railw: 172px;
  display: block;
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  padding-top: 26px;
}
.page-news .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font: 500 12px/1.4 var(--mono);
  letter-spacing: .08em;
  color: var(--muted);
}
.page-news .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-news .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-news .crumbs [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .news-head {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: 30px 0 0;
}
@media (min-width: 920px) {
  .page-news .news-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
    padding-top: 52px;
  }
}
.page-news .news-head-copy .eyebrow {
  margin: 0 0 18px;
}
.page-news .news-head-copy .sec-num {
  font: 600 12px/1 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-news .news-head h1 {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.15rem, 6.2vw, 4.35rem);
  line-height: 1.02;
  letter-spacing: -.025em;
  text-transform: uppercase;
  color: var(--paper);
  max-width: 15em;
}
.page-news .news-head h1::after {
  content: "";
  display: block;
  width: clamp(56px, 12vw, 120px);
  height: 3px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--cyan), var(--stoppage));
}
.page-news .news-head .lead {
  margin: 0 0 26px;
  max-width: 36em;
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  line-height: 1.8;
  color: var(--muted);
}
.page-news .head-actions {
  margin-bottom: 30px;
}
.page-news .head-actions .btn {
  text-decoration: none;
}
.page-news .head-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--hair-soft);
  border: 1px solid var(--hair-soft);
}
@media (min-width: 620px) {
  .page-news .head-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-news .head-stats > div {
  padding: 14px 16px 16px;
  background: var(--ink-2);
}
.page-news .head-stats dt {
  margin: 0 0 8px;
  font: 500 11px/1.3 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--line);
}
.page-news .head-stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--muted);
}
.page-news .head-stats .num {
  display: inline-block;
  margin-right: 4px;
  font-family: var(--mono);
  font-size: clamp(20px, 3vw, 26px);
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}
.page-news .head-stats .num--warm {
  color: var(--stoppage);
}

.page-news .news-head-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--ink-2);
  overflow: hidden;
}
.page-news .news-head-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.86) contrast(1.08) brightness(.92);
}
.page-news .news-head-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(190deg, rgba(6, 10, 14, .12) 0%, rgba(6, 10, 14, .62) 100%);
  pointer-events: none;
}
.page-news .news-head-media .media-cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 10px 14px;
  font: 500 11.5px/1.5 var(--mono);
  letter-spacing: .05em;
  color: var(--muted);
  background: rgba(6, 10, 14, .72);
  border-top: 1px solid var(--hair);
  border-right: 1px solid var(--hair);
}

/* ---------- 窗口进度刻度 ---------- */
.page-news .window-board {
  margin-top: clamp(40px, 6vw, 76px);
  padding: clamp(22px, 3vw, 34px) 0 clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}
.page-news .window-copy .eyebrow {
  margin: 0 0 14px;
}
.page-news .window-copy .sec-num {
  font: 600 11.5px/1 var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--window);
}
.page-news .window-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  letter-spacing: -.015em;
  text-transform: uppercase;
  color: var(--paper);
}
.page-news .window-sub {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .window-sub strong {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--window);
  font-weight: 600;
}
.page-news .week-scale {
  display: flex;
  gap: 1px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-news .week-cell {
  flex: 1 0 74px;
  min-width: 0;
}
.page-news .week-cell a,
.page-news .week-cell > span {
  display: block;
  padding: 12px 10px 14px;
  text-decoration: none;
  border-top: 2px solid var(--hair);
  background: var(--ink-2);
  transition: border-color .2s ease, background-color .2s ease;
}
.page-news .week-cell a:hover,
.page-news .week-cell a:focus-visible {
  border-top-color: var(--cyan);
  background: var(--ink-3);
}
.page-news .week-cell .week-num {
  display: block;
  font: 600 16px/1 var(--mono);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.page-news .week-cell .week-lbl {
  display: block;
  margin-top: 8px;
  font: 500 10.5px/1.3 var(--mono);
  letter-spacing: .08em;
  color: var(--line);
}
.page-news .week-cell.is-done a,
.page-news .week-cell.is-done > span {
  border-top-color: var(--cyan-deep);
}
.page-news .week-cell.is-done .week-num {
  color: var(--paper);
}
.page-news .week-cell.is-current a,
.page-news .week-cell.is-current > span {
  border-top-color: var(--window);
  background: linear-gradient(180deg, rgba(255, 176, 58, .14), rgba(255, 176, 58, 0));
}
.page-news .week-cell.is-current .week-num {
  color: var(--window);
  font-size: 20px;
}
.page-news .week-cell.is-current .week-lbl {
  color: var(--window);
}

/* ---------- 主体双栏 ---------- */
.page-news .news-body {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  padding: clamp(36px, 6vw, 72px) 0 0;
  align-items: start;
}
@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: var(--news-railw) minmax(0, 1fr);
  }
}

/* ---------- 分类列 ---------- */
.page-news .news-rail {
  position: static;
  border: 1px solid var(--hair-soft);
  background: var(--ink-2);
  padding: 14px 12px 16px;
}
@media (min-width: 1000px) {
  .page-news .news-rail {
    position: sticky;
    top: calc(var(--bar-h) + 18px);
    padding: 18px 14px 20px;
  }
}
.page-news .rail-caption {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair-soft);
  font: 600 11px/1 var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--line);
}
.page-news .rail-list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
@media (min-width: 1000px) {
  .page-news .rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }
}
.page-news .rail-list li {
  flex: 0 0 auto;
}
.page-news .rail-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  white-space: nowrap;
  text-decoration: none;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 13.5px;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}
@media (min-width: 1000px) {
  .page-news .rail-list a {
    padding: 10px 10px 10px 12px;
  }
}
.page-news .rail-list a:hover,
.page-news .rail-list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: var(--ink-3);
}
.page-news .rail-num {
  font: 500 11px/1 var(--mono);
  letter-spacing: .1em;
  color: var(--line);
}
.page-news .rail-list a:hover .rail-num,
.page-news .rail-list a:focus-visible .rail-num {
  color: var(--stoppage);
}
.page-news .rail-foot {
  display: none;
}
@media (min-width: 1000px) {
  .page-news .rail-foot {
    display: block;
    margin: 18px 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--hair-soft);
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--line);
  }
}

/* ---------- 条目区块 ---------- */
.page-news .feed-block {
  scroll-margin-top: calc(var(--bar-h) + 16px);
}
.page-news .feed-block + .feed-block {
  margin-top: clamp(48px, 7vw, 88px);
}
@media (min-width: 1000px) {
  .page-news .feed-block {
    scroll-margin-top: 24px;
  }
}
.page-news .feed-head .eyebrow {
  margin: 0 0 14px;
}
.page-news .feed-head .sec-num {
  font: 600 11.5px/1 var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-news .feed-h-lg {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--paper);
  max-width: 22em;
}
.page-news .feed-intro {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .feed-figure {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  border: 1px solid var(--hair-soft);
  background: var(--ink-2);
  overflow: hidden;
}
.page-news .feed-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.88) contrast(1.06);
}
.page-news .feed-figure .media-cap {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--hair-soft);
  font: 500 11.5px/1.5 var(--mono);
  letter-spacing: .05em;
  color: var(--line);
}

/* ---------- 条目列表 ---------- */
.page-news .feed-list {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hair);
}
.page-news .feed-item {
  padding: clamp(20px, 2.6vw, 28px) 0;
  border-bottom: 1px solid var(--hair-soft);
}
.page-news .feed-item:target {
  background: linear-gradient(90deg, rgba(35, 230, 208, .08), rgba(35, 230, 208, 0) 72%);
  box-shadow: inset 2px 0 0 var(--cyan);
}
.page-news .feed-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.page-news .feed-tags .tag {
  font-size: 11.5px;
  letter-spacing: .04em;
}
.page-news .feed-h {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.1vw, 1.32rem);
  line-height: 1.32;
  letter-spacing: -.005em;
  color: var(--paper);
}
.page-news .feed-text {
  margin: 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .feed-row {
  display: grid;
  gap: 16px;
}
@media (min-width: 620px) {
  .page-news .feed-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }
}
.page-news .mini-bars {
  display: block;
  width: 60px;
  height: 24px;
  flex: none;
}
.page-news .mini-bars .bar {
  fill: var(--cyan-deep);
}
.page-news .mini-bars .bar--hot {
  fill: var(--stoppage);
}
.page-news .mini-bars .bar--low {
  fill: var(--line);
}

/* ---------- 展开详情 ---------- */
.page-news .feed-detail {
  margin-top: 14px;
}
.page-news .feed-detail > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font: 600 12px/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 6px 0;
  border-bottom: 1px solid var(--hair);
  transition: color .18s ease, border-color .18s ease;
}
.page-news .feed-detail > summary::-webkit-details-marker {
  display: none;
}
.page-news .feed-detail > summary::before {
  content: "+";
  display: inline-block;
  width: 12px;
  font-size: 14px;
  line-height: 1;
  color: var(--stoppage);
}
.page-news .feed-detail[open] > summary::before {
  content: "−";
}
.page-news .feed-detail > summary:hover,
.page-news .feed-detail > summary:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}
.page-news .feed-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 16px 0 0;
  padding: 0;
  background: var(--hair-soft);
  border: 1px solid var(--hair-soft);
}
@media (min-width: 620px) {
  .page-news .feed-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1100px) {
  .page-news .feed-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-news .feed-facts > div {
  padding: 12px 14px 14px;
  background: var(--ink-3);
}
.page-news .feed-facts dt {
  margin: 0 0 7px;
  font: 500 10.5px/1.3 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--line);
}
.page-news .feed-facts dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
}

/* ---------- 版本与笔记列表 ---------- */
.page-news .feed-list--version .feed-item {
  padding-left: 0;
  border-left: 2px solid var(--violet);
  padding-left: clamp(14px, 2vw, 20px);
}
.page-news .feed-list--notes .feed-item {
  border-left: 2px solid var(--cyan-deep);
  padding-left: clamp(14px, 2vw, 20px);
}

/* ---------- 订阅 ---------- */
.page-news .news-sub {
  margin-top: clamp(56px, 8vw, 96px);
  padding: clamp(28px, 4vw, 46px) clamp(20px, 3vw, 40px);
  border: 1px solid var(--hair);
  background:
    linear-gradient(135deg, rgba(35, 230, 208, .07) 0%, rgba(6, 10, 14, 0) 46%),
    linear-gradient(315deg, rgba(255, 90, 43, .08) 0%, rgba(6, 10, 14, 0) 52%),
    var(--ink-2);
}
.page-news .sub-copy .eyebrow {
  margin: 0 0 14px;
}
.page-news .sub-copy .sec-num {
  font: 600 11.5px/1 var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-news .sub-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--paper);
  max-width: 20em;
}
.page-news .sub-text {
  margin: 0 0 24px;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .sub-actions {
  margin-bottom: 26px;
}
.page-news .sub-actions .btn {
  text-decoration: none;
}
.page-news .sub-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--hair-soft);
  border: 1px solid var(--hair-soft);
}
@media (min-width: 720px) {
  .page-news .sub-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-news .sub-facts > div {
  padding: 14px 16px 16px;
  background: var(--ink);
}
.page-news .sub-facts dt {
  margin: 0 0 8px;
  font: 500 10.5px/1.3 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--line);
}
.page-news .sub-facts dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  color: var(--paper);
}
.page-news .sub-note {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--line);
}
.page-news .sub-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  transition: border-color .18s ease;
}
.page-news .sub-note a:hover,
.page-news .sub-note a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 触控目标 ---------- */
.page-news .rail-list a,
.page-news .week-cell a {
  min-height: 44px;
}
.page-news .feed-detail > summary {
  min-height: 32px;
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition: none !important;
  }
}
<<<END>>>