.page-news {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(203, 215, 230, .34) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(203, 215, 230, .34) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 5%, transparent 82%);
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 5%, transparent 82%);
}

/* ---------- 面包屑 ---------- */

.page-news .breadcrumb {
  padding-top: 32px;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink-mute);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .breadcrumb a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease;
}

.page-news .breadcrumb a:hover {
  border-bottom-color: var(--lake);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: 44px 0 80px;
}

.page-news .hero-mark {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 30px;
}

.page-news .hero-ring {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: conic-gradient(from 210deg, var(--lake), var(--dusk), var(--flame), var(--saffron), var(--jade), var(--lake));
  animation: news-ring 22s linear infinite;
}

.page-news .hero-ring::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--paper);
}

@keyframes news-ring {
  to { transform: rotate(360deg); }
}

.page-news .hero-coord {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.page-news .news-hero h1 {
  margin: 0 0 26px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 6.6vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--ink);
  max-width: 15em;
}

.page-news .news-hero .lede {
  max-width: 42em;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.85;
  margin: 0;
}

.page-news .hero-stats {
  list-style: none;
  margin: 46px 0 0;
  padding: 28px 0 0;
  border-top: 1px solid var(--blueprint);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 16px;
}

.page-news .hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .hero-stats b {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1;
  color: var(--ink);
}

.page-news .hero-stats li:nth-child(1) b { color: var(--lake); }
.page-news .hero-stats li:nth-child(2) b { color: var(--dusk); }
.page-news .hero-stats li:nth-child(3) b { color: var(--flame); }
.page-news .hero-stats li:nth-child(4) b { color: var(--jade); }

.page-news .hero-stats span {
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--ink-mute);
}

@media (min-width: 760px) {
  .page-news .news-hero {
    padding: 60px 0 100px;
  }
  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .hero-stats b {
    font-size: 2.4rem;
  }
}

/* ---------- 列表与分类索引 ---------- */

.page-news .news-board {
  padding: 4px 0 88px;
}

.page-news .board-head {
  padding-bottom: 22px;
  margin-bottom: 38px;
  border-bottom: 1px solid var(--blueprint);
}

.page-news .board-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  color: var(--ink);
  letter-spacing: -.01em;
}

.page-news .board-head p {
  margin: 0;
  color: var(--ink-mute);
  font-size: .92rem;
}

.page-news .board-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-news .index-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

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

.page-news .index-list li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  background: var(--paper-2);
  font-size: .86rem;
  color: var(--ink-soft);
}

.page-news .index-list em {
  font-style: normal;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: .74rem;
  color: var(--lake);
}

.page-news .news-stream {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news .post-card {
  position: relative;
  padding: 24px 22px;
  background: var(--card);
  border: 1px solid rgba(203, 215, 230, .55);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform .35s ease, box-shadow .35s ease;
}

.page-news .post-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--blueprint);
  transition: background .35s ease;
}

.page-news .post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.page-news .post-card:hover::before {
  background: var(--lake);
}

.page-news .post-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-news .post-when {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--ink-mute);
}

.page-news .post-title {
  margin: 0 0 10px;
  font-family: var(--font-module);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .post-sum {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .page-news .board-body {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 60px;
  }
  .page-news .news-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }
  .page-news .index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-top: 1px solid var(--blueprint);
  }
  .page-news .index-list li {
    justify-content: space-between;
    width: 100%;
    padding: 13px 2px;
    border-radius: 0;
    background: none;
    border-bottom: 1px solid var(--blueprint);
  }
  .page-news .post-card {
    padding: 28px 30px;
  }
  .page-news .post-title {
    font-size: 1.16rem;
  }
}

/* ---------- 版本时间线 ---------- */

.page-news .version-timeline {
  padding: 76px 0;
}

.page-news .version-timeline .section-head {
  margin-bottom: 40px;
}

.page-news .version-timeline .figure-frame {
  margin: 0 0 56px;
}

.page-news .v-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .v-node {
  position: relative;
  padding: 0 0 30px 36px;
}

.page-news .v-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--lake);
  box-sizing: border-box;
}

.page-news .v-node::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 24px;
  bottom: 0;
  width: 1px;
  background: var(--blueprint);
}

.page-news .v-node:last-child {
  padding-bottom: 0;
}

.page-news .v-node:last-child::after {
  display: none;
}

.page-news .v-tag {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--lake);
}

.page-news .v-node h3 {
  margin: 0 0 8px;
  font-family: var(--font-module);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
}

.page-news .v-node p {
  margin: 0;
  font-size: .91rem;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 32em;
}

.page-news .v-node--now::before {
  background: var(--flame);
  border-color: var(--flame);
  box-shadow: 0 0 0 5px rgba(228, 87, 46, .14);
}

.page-news .v-node--now .v-tag {
  color: var(--flame);
}

@media (min-width: 780px) {
  .page-news .v-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-news .v-node {
    padding: 42px 26px 0 0;
  }
  .page-news .v-node::before {
    left: 0;
    top: 8px;
  }
  .page-news .v-node::after {
    left: 23px;
    top: 15px;
    right: -26px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
  .page-news .v-node:last-child::after {
    display: block;
    right: 0;
  }
  .page-news .v-node p {
    max-width: none;
  }
}

/* ---------- 改版专题 ---------- */

.page-news .topic-row {
  padding: 76px 0;
}

.page-news .topic-row .section-head {
  margin-bottom: 40px;
}

.page-news .topic-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 44px;
}

.page-news .topic-card {
  position: relative;
  overflow: hidden;
  padding: 28px 24px 26px;
  background: var(--card);
  border: 1px solid rgba(203, 215, 230, .55);
  border-radius: var(--radius-lg);
}

.page-news .topic-card::after {
  content: "";
  position: absolute;
  right: -46px;
  top: -46px;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  border: 1px solid rgba(22, 119, 184, .18);
  pointer-events: none;
}

.page-news .topic-num {
  display: block;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--flame);
}

.page-news .topic-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--ink);
}

.page-news .topic-card p {
  margin: 0;
  font-size: .91rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .topic-row .figure-frame {
  margin: 0;
}

@media (max-width: 759px) {
  .page-news .topic-track {
    grid-auto-flow: column;
    grid-auto-columns: 78%;
    grid-template-columns: none;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 14px;
    -webkit-overflow-scrolling: touch;
    -webkit-mask-image: linear-gradient(to right, #000 86%, transparent 100%);
    mask-image: linear-gradient(to right, #000 86%, transparent 100%);
  }
  .page-news .topic-card {
    scroll-snap-align: start;
  }
}

@media (min-width: 760px) {
  .page-news .topic-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- V4 校对 ---------- */

.page-news .proof-notes {
  padding: 76px 0;
}

.page-news .proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-news .proof-text h2 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -.01em;
}

.page-news .proof-lead {
  margin: 0;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 38em;
}

.page-news .proof-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news .proof-list li {
  position: relative;
  padding-left: 28px;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .proof-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--jade);
  transform: rotate(45deg);
}

.page-news .proof-list b {
  font-family: var(--font-module);
  font-weight: 700;
  color: var(--ink);
}

.page-news .proof-grid .figure-frame {
  margin: 0;
}

@media (min-width: 880px) {
  .page-news .proof-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: center;
  }
}

/* ---------- 目录更新 ---------- */

.page-news .catalog-notes {
  padding: 76px 0;
}

.page-news .catalog-notes .section-head {
  margin-bottom: 40px;
}

.page-news .cat-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 44px;
}

.page-news .cat-card {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: var(--paper-2);
  border: 1px solid rgba(203, 215, 230, .5);
}

.page-news .cat-num {
  display: block;
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--dusk);
}

.page-news .cat-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-module);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
}

.page-news .cat-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .catalog-notes .figure-frame {
  margin: 0;
}

@media (min-width: 760px) {
  .page-news .cat-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 专题系列与订阅 ---------- */

.page-news .series-band {
  padding: 76px 0 100px;
}

.page-news .series-band .section-head {
  margin-bottom: 40px;
}

.page-news .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .series-list li {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px;
  background: var(--card);
  border: 1px solid rgba(203, 215, 230, .55);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-news .series-tag {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(91, 75, 138, .1);
  color: var(--dusk);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.page-news .series-list h3 {
  margin: 0;
  font-family: var(--font-module);
  font-weight: 700;
  font-size: 1.06rem;
  color: var(--ink);
}

.page-news .series-list p {
  margin: 0;
  flex: 1;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .series-count {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--ink-mute);
  padding-top: 12px;
  border-top: 1px solid var(--blueprint);
}

.page-news .subscribe {
  position: relative;
  overflow: hidden;
  margin-top: 48px;
  padding: 36px 26px;
  border-radius: var(--radius-xl);
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}

.page-news .subscribe::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -110px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 75, 138, .65), transparent 68%);
  pointer-events: none;
}

.page-news .subscribe::before {
  content: "";
  position: absolute;
  left: -70px;
  top: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 119, 184, .45), transparent 70%);
  pointer-events: none;
}

.page-news .subscribe-copy {
  position: relative;
  z-index: 1;
}

.page-news .subscribe h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: #FFFCF5;
}

.page-news .subscribe p {
  margin: 0;
  max-width: 42em;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(247, 242, 232, .78);
}

.page-news .subscribe .btn {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

@media (min-width: 780px) {
  .page-news .series-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-news .subscribe {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 44px 48px;
  }
}

@media (min-width: 780px) and (max-width: 900px) {
  .page-news .series-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .hero-ring {
    animation: none;
  }
  .page-news .post-card {
    transition: none;
  }
}
<<<END>>>