.page-news {
  --news-edge: clamp(16px, 4vw, 48px);
  --news-sticky: 96px;
  background: var(--bg);
  color: var(--fg);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

/* 面包屑 */
.page-news .news-crumb-wrap {
  padding-top: clamp(18px, 3vw, 32px);
}
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-news .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
}
.page-news .breadcrumb a:hover {
  color: var(--lime);
}
.page-news .crumb-sep {
  color: var(--line-strong);
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(40px, 7vw, 88px);
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: min(46%, 520px);
  height: 100%;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
}
.page-news .news-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}
.page-news .news-hero__text h1 {
  margin: 12px 0 0;
  font-size: var(--step-4);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--bone);
}
.page-news .news-hero__text .lede {
  margin-top: 20px;
  color: var(--muted);
  font-size: var(--step-1);
  line-height: 1.7;
  max-width: 34em;
}
.page-news .hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-news .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-news .fact-num {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime);
  line-height: 1;
}
.page-news .fact-label {
  font-size: var(--step--1);
  color: var(--muted);
  line-height: 1.5;
}
.page-news .news-hero__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
}
.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .hero-caption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--silver);
  border-top: 1px solid var(--line-soft);
  background: var(--ink-800);
}

/* 更新节奏 */
.page-news .news-rhythm {
  border-top: 1px solid var(--line-soft);
}
.page-news .rhythm-track {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-news .rhythm-node {
  position: relative;
  padding: 22px 22px 22px 48px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.page-news .rhythm-node::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 28px;
  width: 10px;
  height: 10px;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 242, 74, 0.14);
}
.page-news .rhythm-node--next {
  background: var(--glass);
  border-style: dashed;
  border-color: var(--line-strong);
}
.page-news .rhythm-node--next::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 60, 0.16);
}
.page-news .rhythm-day {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--lime);
}
.page-news .rhythm-node--next .rhythm-day {
  color: var(--orange);
}
.page-news .rhythm-head {
  margin: 8px 0 8px;
  font-size: var(--step-1);
  font-weight: 800;
  color: var(--bone);
  letter-spacing: -0.01em;
}
.page-news .rhythm-text {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
  max-width: 32em;
}
.page-news .rhythm-note {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
}
.page-news .rhythm-note-key {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--lime);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  white-space: nowrap;
}

/* 双列：索引 + 条目流 */
.page-news .news-stream {
  border-top: 1px solid var(--line-soft);
}
.page-news .news-stream__grid {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
}
.page-news .stream-aside {
  align-self: start;
}
.page-news .aside-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}
.page-news .aside-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news .aside-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--glass);
  color: var(--bone);
  font-size: var(--step--1);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-news .aside-link:hover,
.page-news .aside-link:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}
.page-news .aside-num {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--silver);
}
.page-news .aside-foot {
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}
.page-news .aside-foot-text {
  margin: 0 0 10px;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--muted);
}
.page-news .aside-foot-text a {
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}
.page-news .aside-foot-text a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-news .stream-main .section-head {
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-news .entry-group {
  margin-top: clamp(28px, 4vw, 44px);
}
.page-news .entry-group:first-of-type {
  margin-top: 0;
}
.page-news .group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
}
.page-news .group-title {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--bone);
}
.page-news .group-count {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--silver);
}
.page-news .group-note {
  margin: 14px 0 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
  max-width: 40em;
}

.page-news .entry {
  display: grid;
  gap: 8px;
  padding: 20px 10px 20px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-news .entry:hover {
  border-bottom-color: var(--line-strong);
  padding-left: 6px;
}
.page-news .entry-index {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--silver);
}
.page-news .entry-body {
  min-width: 0;
}
.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-news .entry-time {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-news .entry-title {
  margin: 10px 0 6px;
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.45;
  color: var(--bone);
  letter-spacing: -0.005em;
}
.page-news .entry-summary {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
  max-width: 38em;
}

/* 版本记录 */
.page-news .news-versions {
  border-top: 1px solid var(--line-soft);
}
.page-news .versions-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--glass-deep);
  padding: clamp(24px, 4vw, 52px);
  clip-path: polygon(0 1.6%, 100% 0, 100% 100%, 0 100%);
}
.page-news .versions-tex {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  pointer-events: none;
}
.page-news .versions-inner {
  position: relative;
  z-index: 1;
}
.page-news .version-accordion {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-strong);
}
.page-news .version-accordion .expand-item {
  border-bottom: 1px solid var(--line-soft);
}
.page-news .version-accordion .expand-trigger {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "num mark"
    "title mark"
    "when mark";
  align-items: center;
  gap: 2px 16px;
  width: 100%;
  padding: 18px 4px;
  background: none;
  border: 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
  transition: color var(--dur) var(--ease);
}
.page-news .version-accordion .expand-trigger:hover {
  color: var(--lime);
}
.page-news .v-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--lime);
}
.page-news .v-title {
  grid-area: title;
  font-size: var(--step-0);
  font-weight: 700;
  line-height: 1.5;
  color: var(--bone);
}
.page-news .v-when {
  grid-area: when;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-news .v-mark {
  grid-area: mark;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  line-height: 1;
  color: var(--silver);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-news .expand-trigger[aria-expanded="true"] .v-mark {
  transform: rotate(45deg);
  color: var(--orange);
}
.page-news .v-body {
  padding: 0 4px 22px;
  max-width: 38em;
}
.page-news .v-body p {
  margin: 0 0 12px;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
}
.page-news .v-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .v-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--silver);
}
.page-news .v-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--moss);
}

/* 阶段专题 */
.page-news .news-series {
  border-top: 1px solid var(--line-soft);
}
.page-news .stage-bar {
  list-style: none;
  display: flex;
  gap: 0;
  margin: clamp(22px, 3vw, 32px) 0 clamp(24px, 4vw, 36px);
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--line);
}
.page-news .stage {
  position: relative;
  flex: 0 0 auto;
  padding: 10px 22px 14px 0;
  margin-right: 22px;
  font-size: var(--step-0);
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
.page-news .stage-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--line-strong);
  margin-bottom: 4px;
}
.page-news .stage--done {
  color: var(--silver);
}
.page-news .stage--now {
  color: var(--bone);
}
.page-news .stage--now::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 32px;
  height: 3px;
  background: var(--lime);
}
.page-news .stage--now .stage-idx {
  color: var(--lime);
}

.page-news .series-grid {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
}
.page-news .series-card {
  display: flex;
  flex-direction: column;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .series-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}
.page-news .series-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.page-news .series-card-body {
  padding: clamp(18px, 3vw, 26px);
}
.page-news .series-title {
  margin: 10px 0 8px;
  font-size: var(--step-1);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--bone);
  line-height: 1.4;
}
.page-news .series-card-body p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
}

/* 提醒 */
.page-news .news-remind {
  border-top: 1px solid var(--line-soft);
}
.page-news .remind-card {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(24px, 4vw, 52px);
  background: var(--bone);
  color: var(--text-dark);
  border-radius: var(--radius-lg);
  clip-path: polygon(0 0, 100% 1.4%, 100% 100%, 0 100%);
}
.page-news .eyebrow--dark {
  color: var(--moss);
}
.page-news .eyebrow--dark::before {
  background: var(--clay);
}
.page-news .remind-copy h2 {
  margin: 12px 0 14px;
  font-size: var(--step-2);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-dark);
}
.page-news .remind-text {
  margin: 0 0 22px;
  font-size: var(--step-0);
  line-height: 1.75;
  color: rgba(18, 33, 29, 0.78);
  max-width: 34em;
}
.page-news .remind-switch {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--text-dark);
}
.page-news .remind-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-news .remind-track {
  position: relative;
  display: block;
  width: 54px;
  height: 28px;
  border-radius: var(--radius-pill);
  background: rgba(18, 33, 29, 0.16);
  border: 1px solid rgba(18, 33, 29, 0.28);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .remind-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ink-900);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-news .remind-input:checked + .remind-track {
  background: var(--lime);
  border-color: var(--moss);
}
.page-news .remind-input:checked + .remind-track::after {
  transform: translateX(26px);
  background: var(--ink-900);
}
.page-news .remind-input:focus-visible + .remind-track {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
}
.page-news .remind-state-on {
  display: none;
  color: var(--moss);
}
.page-news .remind-input:checked ~ .remind-state-on {
  display: inline;
}
.page-news .remind-input:checked ~ .remind-state-off {
  display: none;
}
.page-news .remind-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-news .remind-actions .btn-primary {
  background: var(--ink-900);
  color: var(--bone);
  border-color: var(--ink-900);
}
.page-news .remind-actions .btn-primary:hover {
  background: var(--moss);
  border-color: var(--moss);
  color: var(--bone);
}
.page-news .remind-actions .btn-ghost {
  color: var(--text-dark);
  border-color: rgba(18, 33, 29, 0.35);
}
.page-news .remind-actions .btn-ghost:hover {
  border-color: var(--text-dark);
  color: var(--ink-900);
}
.page-news .remind-foot {
  margin: 18px 0 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: rgba(18, 33, 29, 0.62);
  max-width: 36em;
}
.page-news .remind-figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  align-self: end;
  border: 1px solid rgba(18, 33, 29, 0.18);
}
.page-news .remind-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-news .entry {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
  .page-news .entry:hover {
    padding-left: 0;
    border-bottom-color: var(--line-strong);
  }
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .series-card--lead {
    grid-column: 1 / -1;
  }
  .page-news .series-card--lead img {
    aspect-ratio: 21 / 9;
  }
}

@media (min-width: 760px) {
  .page-news .rhythm-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(16px, 3vw, 40px);
  }
  .page-news .remind-card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
  .page-news .news-stream__grid {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }
  .page-news .stream-aside {
    position: sticky;
    top: var(--news-sticky);
  }
  .page-news .aside-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
    margin-bottom: 24px;
  }
  .page-news .aside-link {
    width: 100%;
    border-color: transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    padding: 8px 10px;
  }
  .page-news .aside-link:hover,
  .page-news .aside-link:focus-visible {
    background: var(--glass);
    border-color: var(--line);
  }
  .page-news .version-accordion .expand-trigger {
    grid-template-columns: 96px minmax(0, 1fr) auto auto;
    grid-template-areas: "num title when mark";
    gap: 12px 20px;
    padding: 20px 4px;
  }
  .page-news .v-when {
    justify-self: end;
  }
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .news-stream__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 64px;
  }
  .page-news .series-card--lead {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .series-card,
  .page-news .v-mark,
  .page-news .remind-track::after,
  .page-news .aside-link {
    transition: none;
  }
  .page-news .entry:hover,
  .page-news .series-card:hover {
    transform: none;
  }
}
<<<END>>>