.page-news {
  display: block;
  position: relative;
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(110% 80% at 100% 0%, rgba(201, 162, 39, .13), transparent 60%),
    radial-gradient(90% 70% at 0% 6%, rgba(70, 208, 200, .09), transparent 62%);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(18px, 4vw, 36px);
}

.page-news .news-hero h1 {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.6vw, 68px);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--paper);
  max-width: 13em;
}

.page-news .news-hero__lede {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-news .news-hero__fact {
  background: var(--night);
  padding: 14px 16px;
}

.page-news .news-hero__fact dt {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .news-hero__fact dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 25px);
  color: var(--gold-soft);
}

.page-news .news-hero__figure {
  margin: clamp(28px, 5vw, 52px) 0 0;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
  overflow: hidden;
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 800;
  object-fit: cover;
  filter: saturate(.94) contrast(1.04);
}

/* ============ 笔记流 + 专题索引 ============ */
.page-news .news-stream {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(40px, 7vw, 88px) var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 52px);
}

.page-news .topic-rail {
  position: relative;
}

.page-news .topic-rail__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-news .topic-rail__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .topic-rail__list::-webkit-scrollbar {
  display: none;
}

.page-news .topic-rail__link {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line-soft);
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-news .topic-rail__link:hover {
  border-color: var(--gold);
  background: rgba(23, 69, 58, .6);
  transform: translateX(3px);
}

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

.page-news .topic-rail__num {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-news .topic-rail__name {
  font-weight: 600;
  letter-spacing: .02em;
}

.page-news .topic-rail__meter {
  display: inline-flex;
  gap: 2px;
}

.page-news .topic-rail__meter i {
  display: block;
  width: 7px;
  height: 2px;
  background: var(--line-soft);
}

.page-news .topic-rail__item:nth-child(1) .topic-rail__meter i:nth-child(-n+3),
.page-news .topic-rail__item:nth-child(2) .topic-rail__meter i:nth-child(-n+3),
.page-news .topic-rail__item:nth-child(3) .topic-rail__meter i:nth-child(-n+3) {
  background: var(--gold);
}

.page-news .topic-rail__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 26em;
}

/* ---- 专题块 ---- */
.page-news .topic-block {
  scroll-margin-top: calc(var(--header-h-compact) + 24px);
}

.page-news .topic-block + .topic-block {
  margin-top: clamp(36px, 6vw, 64px);
}

.page-news .topic-block__head {
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line);
}

.page-news .topic-block__num {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-news .topic-block__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.15;
  color: var(--paper);
}

.page-news .topic-block__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 36em;
}

/* ---- 笔记条目 ---- */
.page-news .note {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: clamp(22px, 3.2vw, 34px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .note__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--paper);
  transition: color var(--t-fast) var(--ease);
}

.page-news .note--lg .note__title {
  font-size: clamp(22px, 3.2vw, 32px);
}

.page-news .note__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 40em;
}

.page-news .note__kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-news .note__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .note__tags .tag {
  font-size: 12px;
  letter-spacing: .04em;
}

/* ============ 版本迭代 ============ */
.page-news .version-block {
  margin-top: clamp(40px, 7vw, 84px);
  padding: clamp(40px, 6vw, 76px) 0 clamp(44px, 7vw, 84px);
  background:
    linear-gradient(180deg, rgba(16, 49, 42, 0), rgba(16, 49, 42, .78) 18%, rgba(16, 49, 42, .78) 82%, rgba(16, 49, 42, 0)),
    radial-gradient(90% 60% at 88% 0%, rgba(255, 107, 74, .1), transparent 62%);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .version-block__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-news .version-block__intro h2 {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.18;
  color: var(--paper);
}

.page-news .version-block__intro p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 36em;
}

.page-news .version-block__figure {
  margin: 0;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}

.page-news .version-block__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1200 / 800;
  object-fit: cover;
}

.page-news .version-rail {
  display: flex;
  gap: clamp(12px, 1.8vw, 20px);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 4px max(var(--gutter), calc((100vw - var(--shell)) / 2)) 18px;
  scrollbar-width: thin;
  scrollbar-color: rgba(201, 162, 39, .7) rgba(147, 169, 161, .16);
}

.page-news .version-rail::-webkit-scrollbar {
  height: 6px;
}

.page-news .version-rail::-webkit-scrollbar-track {
  background: rgba(147, 169, 161, .16);
}

.page-news .version-rail::-webkit-scrollbar-thumb {
  background: rgba(201, 162, 39, .7);
}

.page-news .version-card {
  position: relative;
  flex: 0 0 min(302px, 82vw);
  scroll-snap-align: start;
  padding: 22px 20px 24px;
  background: linear-gradient(158deg, rgba(23, 69, 58, .92), rgba(10, 28, 23, .97));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-news .version-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-news .version-card__ver {
  display: inline-block;
  margin: 0 0 14px;
  padding: 3px 10px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cut-black);
  background: var(--gold);
}

.page-news .version-card__ver--current {
  background: var(--coral);
}

.page-news .version-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .version-card__text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--mist);
}

.page-news .version-card__impact {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper);
}

.page-news .version-card__impact .mono {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

/* ============ 编辑观察 ============ */
.page-news .observe {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-news .observe__grid {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}

.page-news .observe__body h2 {
  margin: 12px 0 24px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 4vw, 42px);
  line-height: 1.18;
  color: var(--paper);
}

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

.page-news .observe__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: rgba(16, 49, 42, .62);
  border-left: 2px solid var(--gold);
}

.page-news .observe__idx {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-news .observe__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--paper);
}

.page-news .observe__figure {
  margin: 0;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  overflow: hidden;
}

.page-news .observe__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ============ 用户场景笔记 ============ */
.page-news .scenes {
  padding: 0 0 clamp(48px, 7vw, 88px);
}

.page-news .scenes .section-head {
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-news .scenes__figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 24px, 24px 0, 100% 0, 100% 100%, 0 100%);
  overflow: hidden;
}

.page-news .scenes__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1200 / 900;
  object-fit: cover;
}

.page-news .scenes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-news .scene {
  background: var(--night);
  padding: clamp(20px, 2.6vw, 28px);
  transition: background-color var(--t-base) var(--ease);
}

.page-news .scene:hover {
  background: var(--archive);
}

.page-news .scene__no {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-news .scene__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.4;
  color: var(--paper);
}

.page-news .scene__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
}

/* ============ 更新节奏 ============ */
.page-news .rhythm {
  padding: 0 0 clamp(52px, 8vw, 100px);
}

.page-news .rhythm__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(24px, 4vw, 46px);
  background: linear-gradient(140deg, rgba(16, 49, 42, .94), rgba(10, 28, 23, .97));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.page-news .rhythm__intro h2 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.18;
  color: var(--paper);
}

.page-news .rhythm__intro p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 32em;
}

.page-news .rhythm__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
}

.page-news .rhythm__links li {
  background: var(--night);
  padding: 15px 18px;
}

.page-news .rhythm__links a {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

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

.page-news .rhythm__links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .rhythm__links span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-news .news-hero__lede,
  .page-news .note__text,
  .page-news .version-block__intro p,
  .page-news .rhythm__intro p {
    font-size: 17px;
  }
}

@media (min-width: 820px) {
  .page-news .scenes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .version-block__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
  }
}

@media (min-width: 900px) {
  .page-news .observe__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
  }

  .page-news .rhythm__panel {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-news .note {
    grid-template-columns: minmax(0, 1fr) 190px;
    gap: clamp(26px, 4vw, 60px);
    align-items: start;
    padding-inline: 16px;
    border-left: 2px solid transparent;
    transition: background-color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
  }

  .page-news .note--flip {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .page-news .note--flip .note__body {
    order: 2;
  }

  .page-news .note--flip .note__aside {
    order: 1;
    text-align: right;
  }

  .page-news .note--flip .note__tags {
    justify-content: flex-end;
  }

  .page-news .note:hover {
    background: rgba(23, 69, 58, .4);
    border-left-color: var(--gold);
  }

  .page-news .note:hover .note__title {
    color: var(--gold-soft);
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .9fr);
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-news .news-hero__facts {
    grid-template-columns: 1fr;
  }

  .page-news .news-hero__lede {
    font-size: 18px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-stream {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }

  .page-news .topic-rail {
    position: sticky;
    top: calc(var(--header-h-compact) + 28px);
    align-self: start;
    border-left: 1px solid var(--line);
    padding-left: 18px;
  }

  .page-news .topic-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    margin-bottom: 20px;
  }

  .page-news .topic-rail__link {
    grid-template-columns: auto minmax(0, 1fr) auto;
    padding: 12px 6px 12px 0;
    border: 0;
    border-bottom: 1px solid var(--line-soft);
    white-space: normal;
  }

  .page-news .topic-rail__link:hover {
    transform: translateX(4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>