.page-news {
  --news-pad: clamp(44px, 7vw, 88px);
  --news-ink-line: rgba(11, 31, 51, .12);
  overflow-x: clip;
  background: var(--sea-900);
  color: var(--paper);
}

/* ===== 首屏 ===== */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 48px) 0 clamp(44px, 7vw, 84px);
  background: var(--sea-900);
}

.page-news .news-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .33;
}

.page-news .news-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(7, 19, 31, .97) 0%, rgba(11, 31, 51, .84) 48%, rgba(7, 19, 31, .96) 100%),
    linear-gradient(158deg, rgba(255, 107, 44, .2) 0%, rgba(255, 107, 44, 0) 58%);
}

.page-news .news-hero__cut {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(142deg, rgba(42, 74, 99, .58) 0%, rgba(42, 74, 99, 0) 66%);
  clip-path: polygon(60% 0, 100% 0, 100% 100%, 34% 100%);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
}

.page-news .breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(16px, 3vw, 26px);
  padding: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
}

.page-news .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(199, 210, 218, .4);
}

.page-news .breadcrumb__list a {
  color: var(--silver);
  text-decoration: none;
}

.page-news .breadcrumb__list a:hover,
.page-news .breadcrumb__list a:focus-visible {
  color: var(--orange);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .news-hero__title {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.15rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-news .news-hero__hl {
  color: var(--orange);
}

.page-news .news-hero__lead {
  max-width: 52ch;
  margin: 0;
  color: var(--silver);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .news-hero__stamp {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(42, 74, 99, .72), rgba(11, 31, 51, .58));
  backdrop-filter: blur(8px);
}

.page-news .stamp__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-news .stamp__num {
  margin: 6px 0 clamp(14px, 2vw, 20px);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  line-height: 1;
  color: var(--orange);
}

.page-news .stamp__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 13px;
  color: var(--silver);
}

.page-news .stamp__list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-news .stamp__list .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--paper);
}

/* ===== 动态列表 ===== */
.page-news .news-feed {
  padding: var(--news-pad) 0;
  background: var(--sea-900);
}

.page-news .feed-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 20px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-news .feed-head .h2 {
  margin: 0;
  color: var(--paper);
}

.page-news .feed-head__sub {
  margin: 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mute);
}

.page-news .filter-bar {
  position: sticky;
  top: calc(var(--header-h) + 8px);
  z-index: 6;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding: 9px;
  margin-bottom: 14px;
  background: rgba(16, 46, 71, .9);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  scrollbar-width: thin;
}

.page-news .filter-bar .filter-btn {
  flex: 0 0 auto;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--silver);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .22s ease, background .22s ease, border-color .22s ease;
}

.page-news .filter-bar .filter-btn:hover {
  color: var(--paper);
  background: rgba(199, 210, 218, .1);
}

.page-news .filter-bar .filter-btn[aria-pressed="true"] {
  color: var(--sea-900);
  background: var(--green);
  border-color: var(--green);
  font-weight: 700;
}

.page-news .filter-bar .filter-btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news .filter-meta {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
}

.page-news .filter-meta .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--orange);
}

.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 2vw, 18px);
}

.page-news .tl-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: clamp(10px, 2vw, 20px);
  align-items: start;
}

.page-news .tl-rail {
  position: relative;
  display: flex;
  justify-content: center;
  padding-top: 16px;
}

.page-news .tl-rail::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: calc(-1 * clamp(12px, 2vw, 18px));
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--line-strong) 0%, rgba(199, 210, 218, 0) 100%);
}

.page-news .tl-code {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
  color: var(--orange);
  background: var(--sea-800);
  border: 1px solid rgba(255, 107, 44, .45);
  border-radius: 999px;
}

.page-news .tl-card {
  position: relative;
  overflow: hidden;
  padding: clamp(15px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(152deg, rgba(16, 46, 71, .88) 0%, rgba(11, 31, 51, .74) 100%);
  transition: border-color .28s ease, box-shadow .28s ease;
}

.page-news .tl-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(100deg, rgba(255, 107, 44, 0) 22%, rgba(255, 107, 44, .22) 50%, rgba(255, 107, 44, 0) 78%);
  transform: translateX(-112%);
  transition: transform .65s ease;
}

.page-news .tl-card:hover,
.page-news .tl-card:focus-within {
  border-color: rgba(255, 107, 44, .5);
  box-shadow: 0 18px 34px -26px rgba(0, 0, 0, .9);
}

.page-news .tl-card:hover::after,
.page-news .tl-card:focus-within::after {
  transform: translateX(112%);
}

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

.page-news .tl-card__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mute);
}

.page-news .tl-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.06rem, 2.1vw, 1.34rem);
  line-height: 1.28;
  color: var(--paper);
}

.page-news .tl-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}

/* ===== 更新节奏 ===== */
.page-news .news-rhythm {
  padding: var(--news-pad) 0;
}

.page-news .news-rhythm__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-news .news-rhythm__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--news-ink-line);
  border-radius: var(--radius);
}

.page-news .news-rhythm__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-rhythm__copy .h2 {
  margin: 0 0 12px;
}

.page-news .news-rhythm__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(11, 31, 51, .78);
}

.page-news .rhythm-list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
}

.page-news .rhythm-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 20px);
  padding: clamp(14px, 2vw, 18px) 0;
  align-items: start;
}

.page-news .rhythm-item + .rhythm-item {
  border-top: 1px solid var(--news-ink-line);
}

.page-news .rhythm-item__code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--sea-700);
  padding-bottom: 3px;
  border-bottom: 2px solid var(--orange);
}

.page-news .rhythm-item__body .h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.9vw, 1.16rem);
  font-weight: 700;
  color: var(--sea-900);
}

.page-news .rhythm-item__body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(11, 31, 51, .72);
}

/* ===== 版本演进 ===== */
.page-news .news-version {
  position: relative;
  isolation: isolate;
  padding: var(--news-pad) 0;
  background: var(--sea-800);
  overflow: hidden;
}

.page-news .news-version::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(199, 210, 218, .055) 0 1px, transparent 1px 92px);
}

.page-news .news-version__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .news-version__copy .h2 {
  margin: 0 0 12px;
  color: var(--paper);
}

.page-news .news-version__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-news .version-steps {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .version-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 18px);
  padding: clamp(14px, 2vw, 18px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius-sm);
  background: rgba(7, 19, 31, .42);
}

.page-news .version-step__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-news .version-step .h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.9vw, 1.14rem);
  font-weight: 700;
  color: var(--paper);
}

.page-news .version-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .news-version__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.page-news .news-version__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ===== 专题系列 ===== */
.page-news .news-series {
  padding: var(--news-pad) 0;
}

.page-news .series-head .h2 {
  margin: 0 0 8px;
}

.page-news .series-head__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(11, 31, 51, .66);
}

.page-news .series-grid {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid rgba(11, 31, 51, .1);
  border-radius: var(--radius);
  background: var(--fog);
  transition: transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}

.page-news .series-card:hover,
.page-news .series-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(255, 107, 44, .55);
  box-shadow: 0 18px 34px -24px rgba(7, 19, 31, .6);
}

.page-news .series-card .h3 {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.04rem, 2vw, 1.22rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--sea-900);
}

.page-news .series-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(11, 31, 51, .72);
}

.page-news .series-card__link {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--sea-700);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 2px;
}

.page-news .series-card__link:hover,
.page-news .series-card__link:focus-visible {
  color: var(--orange);
}

.page-news .news-band {
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  overflow: hidden;
  border: 1px solid var(--news-ink-line);
  border-radius: var(--radius);
}

.page-news .news-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ===== 下一步 ===== */
.page-news .news-cta {
  position: relative;
  padding: var(--news-pad) 0;
  background: var(--sea-900);
  border-top: 1px solid var(--line);
}

.page-news .news-cta__inner {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-news .news-cta__copy .h2 {
  margin: 0 0 10px;
  color: var(--paper);
}

.page-news .news-cta__copy p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(258px, .8fr);
    align-items: end;
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-news .news-version__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }

  .page-news .news-cta__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .9fr);
    align-items: center;
  }

  .page-news .news-cta__actions {
    justify-content: flex-end;
  }

  .page-news .tl-item {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 24px;
  }

  .page-news .news-timeline {
    gap: 20px;
  }

  .page-news .tl-item:nth-child(3n + 1) .tl-card {
    width: 100%;
  }

  .page-news .tl-item:nth-child(3n + 2) .tl-card {
    width: 86%;
  }

  .page-news .tl-item:nth-child(3n + 3) .tl-card {
    width: 94%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tl-card,
  .page-news .tl-card::after,
  .page-news .series-card,
  .page-news .filter-bar .filter-btn {
    transition: none;
  }

  .page-news .series-card:hover,
  .page-news .series-card:focus-within {
    transform: none;
  }

  .page-news .tl-card:hover::after,
  .page-news .tl-card:focus-within::after {
    transform: translateX(-112%);
  }
}
<<<END>>>