.page-news {
  font-family: var(--font-body);
  color: var(--text);
  padding-block: clamp(20px, 4vw, 40px) clamp(56px, 9vw, 110px);
}

.page-news .breadcrumb {
  margin-bottom: clamp(22px, 3vw, 38px);
}

/* ---------- 整体分栏：左阶段栏 + 右内容列 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-news .news-column {
  min-width: 0;
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 60px);
  }
}

/* ---------- 阶段路标 ---------- */
.page-news .phase-rail {
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.page-news .phase-rail-title {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-news .phase-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.page-news .phase {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.4;
}

.page-news .phase-num {
  font-size: 12px;
  color: var(--line);
}

.page-news .phase.is-current {
  color: var(--text);
  font-weight: 600;
}

.page-news .phase.is-current .phase-num {
  color: var(--gold);
}

.page-news .phase-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 960px) {
  .page-news .phase-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 2px 0 0 18px;
  }

  .page-news .phase-list {
    display: grid;
    gap: 14px;
  }

  .page-news .phase {
    display: flex;
  }
}

/* ---------- 页面头 ---------- */
.page-news .news-head .eyebrow {
  color: var(--gold);
  letter-spacing: 0.16em;
  margin: 0;
}

.page-news .news-head h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  margin: 14px 0 18px;
  max-width: 17ch;
  overflow-wrap: break-word;
}

.page-news .news-head .lead {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
}

/* ---------- 头版 + 版本旁注 ---------- */
.page-news .headline-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 26px);
  margin-top: clamp(28px, 4vw, 46px);
}

@media (min-width: 1040px) {
  .page-news .headline-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

.page-news .headline {
  background:
    linear-gradient(158deg, rgba(232, 163, 61, 0.13) 0%, rgba(20, 25, 34, 0.96) 46%, var(--panel) 100%);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  padding: clamp(20px, 3vw, 34px);
}

.page-news .headline h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.3vw, 33px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin: 14px 0 14px;
  overflow-wrap: break-word;
}

.page-news .headline p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  max-width: 58ch;
}

.page-news .headline .headline-meta {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.06em;
  margin: 4px 0 20px;
}

.page-news .headline .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-news .version-aside {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan-dim);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-news .version-aside h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 12px 0 10px;
}

.page-news .version-lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .version-timeline {
  list-style: none;
  margin: 20px 0 0;
  padding: 0 0 0 4px;
}

.page-news .version-timeline li {
  position: relative;
  border-left: 1px solid var(--line);
  padding: 0 0 18px 18px;
}

.page-news .version-timeline li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-news .version-timeline li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-dim);
}

.page-news .version-timeline li:last-child::before {
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.16);
}

.page-news .timeline-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 4px;
}

.page-news .version-timeline li:last-child .timeline-label {
  color: var(--gold);
}

.page-news .version-timeline p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .scale-figure {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-news .scale-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .scale-track,
.page-news .scale-tick {
  stroke: var(--line);
  stroke-width: 2;
}

.page-news .scale-mark {
  fill: var(--cyan-dim);
}

.page-news .scale-mark--now {
  fill: var(--gold);
}

.page-news .scale-mark--next {
  fill: var(--panel);
  stroke: var(--line);
  stroke-width: 2;
}

.page-news .scale-figure figcaption {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 动态列表 ---------- */
.page-news .news-stream {
  margin-top: clamp(42px, 6vw, 76px);
}

.page-news .stream-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  border-bottom: 2px solid var(--line);
  padding-bottom: 12px;
}

.page-news .stream-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.02em;
  margin: 0;
}

.page-news .stream-count {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 4px;
}

.page-news .chip {
  appearance: none;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1;
  padding: 9px 14px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .chip:hover {
  color: var(--text);
  border-color: var(--cyan-dim);
}

.page-news .chip.is-active,
.page-news .chip[aria-pressed="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-news .chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  border-bottom: 1px solid var(--line);
}

.page-news .news-item[hidden] {
  display: none;
}

.page-news .news-fold {
  margin: 0;
}

.page-news .news-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 18px 34px 18px 2px;
  position: relative;
  cursor: pointer;
  list-style: none;
  transition: background-color 180ms var(--ease);
}

.page-news .news-summary::-webkit-details-marker {
  display: none;
}

.page-news .news-summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-news .news-fold[open] > .news-summary::after {
  content: "–";
}

.page-news .news-summary:hover {
  background: rgba(53, 224, 208, 0.04);
}

.page-news .news-summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .news-index {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  flex: 0 0 auto;
}

.page-news .news-title {
  flex: 1 1 220px;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  overflow-wrap: break-word;
}

.page-news .news-when {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  flex: 0 0 auto;
}

.page-news .news-fold-body {
  padding: 0 34px 22px 2px;
  max-width: 68ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.page-news .news-fold-body p {
  margin: 0;
}

.page-news .news-fold-body img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  margin-top: 16px;
  border: 1px solid var(--line);
}

/* ---------- 分类标签配色 ---------- */
.page-news .tag {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 4px 10px;
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}

.page-news .tag--gold {
  color: var(--gold);
  border-color: rgba(232, 163, 61, 0.5);
  background: rgba(232, 163, 61, 0.1);
}

.page-news .tag--cyan {
  color: var(--cyan);
  border-color: rgba(53, 224, 208, 0.46);
  background: rgba(53, 224, 208, 0.08);
}

.page-news .tag--sand {
  color: var(--sand);
  border-color: rgba(232, 216, 191, 0.42);
  background: rgba(232, 216, 191, 0.09);
}

.page-news .tag--ok {
  color: var(--ok);
  border-color: rgba(127, 224, 168, 0.44);
  background: rgba(127, 224, 168, 0.09);
}

/* ---------- 回访与反馈 ---------- */
.page-news .callback {
  margin-top: clamp(44px, 6vw, 78px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  padding: clamp(22px, 3vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

@media (min-width: 880px) {
  .page-news .callback {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

.page-news .callback-intro h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.32;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.page-news .callback-intro p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 40ch;
}

.page-news .next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .next-link {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 14px;
  border-left: 2px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .next-link:hover {
  border-left-color: var(--cyan);
  background: rgba(53, 224, 208, 0.05);
}

.page-news .next-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .next-num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-news .next-text {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-news .next-text strong {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.page-news .next-text span {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .chip,
  .page-news .news-summary,
  .page-news .next-link {
    transition: none;
  }
}
<<<END>>>