.page-news {
  background: var(--ink-900);
  color: var(--white-050);
}

.page-news .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72) brightness(.84);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 0;
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(45, 242, 214, .14), transparent 62%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 78%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  top: 148px;
  width: 124%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(45, 242, 214, .45), transparent);
  transform: rotate(-5deg);
  pointer-events: none;
}

.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel-300);
}

.page-news .breadcrumbs a {
  color: var(--steel-300);
  text-decoration: none;
}

.page-news .breadcrumbs a:hover {
  color: var(--cyan-400);
}

.page-news .crumb-sep {
  color: var(--violet-400);
}

.page-news .news-hero .eyebrow {
  margin: 26px 0 0;
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  max-width: 20ch;
}

.page-news .news-hero__lede {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--steel-300);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 26px 0 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(51, 69, 111, .6);
}

.page-news .news-hero__stat {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--steel-300);
}

.page-news .news-hero__stat strong {
  color: var(--white-050);
  font-weight: 700;
}

.page-news .news-hero__stat .num {
  font-size: 20px;
  font-weight: 600;
  color: var(--cyan-400);
}

.page-news .news-hero__media {
  margin: 0 0 -1px;
  border: 1px solid rgba(51, 69, 111, .8);
  border-bottom: 0;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  overflow: hidden;
}

/* ---------- 时间线 ---------- */
.page-news .news-head {
  max-width: 720px;
}

.page-news .news-head h2 {
  margin: 10px 0 12px;
}

.page-news .news-head__note {
  margin: 0;
  color: var(--steel-300);
  font-size: 16px;
  line-height: 1.75;
}

.page-news .filter-bar {
  margin: 26px 0 30px;
}

.page-news .news-tl {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-news .news-tl__rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

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

.page-news .rail-item {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  border: 1px solid rgba(51, 69, 111, .85);
  border-radius: var(--r-sm);
  background: rgba(13, 22, 48, .78);
  color: var(--steel-300);
  text-decoration: none;
  transition: border-color .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}

.page-news .rail-item:hover,
.page-news .rail-item:focus-visible {
  border-color: var(--cyan-400);
  background: rgba(45, 242, 214, .1);
  color: var(--white-050);
}

.page-news .rail-item .num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--violet-400);
}

.page-news .rail-item__label {
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
}

.page-news .news-tl__list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-tl__list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan-400) 0%, rgba(45, 242, 214, .35) 42%, rgba(51, 69, 111, .7) 100%);
}

.page-news .tl-item {
  position: relative;
  padding: 0 0 20px 32px;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--line-600);
  z-index: 1;
}

.page-news .tl-item--pre::before {
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(45, 242, 214, .12);
}

.page-news .tl-item--trans::before {
  border-color: var(--cyan-400);
  background: var(--cyan-700);
}

.page-news .tl-item--prod::before {
  border-color: var(--orange-500);
  box-shadow: 0 0 0 4px rgba(255, 107, 31, .12);
}

.page-news .tl-item--data::before {
  border-color: var(--steel-300);
}

.page-news .tl-card {
  padding: 18px 18px 16px;
  border: 1px solid rgba(51, 69, 111, .8);
  border-radius: var(--r-md);
  background: var(--ink-700);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-news .tl-card:hover {
  border-color: rgba(45, 242, 214, .5);
  background: linear-gradient(0deg, rgba(45, 242, 214, .05), rgba(45, 242, 214, .05)), var(--ink-700);
}

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

.page-news .tl-read {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--violet-400);
}

.page-news .tag-pre {
  color: var(--cyan-400);
  border-color: rgba(45, 242, 214, .5);
  background: rgba(45, 242, 214, .1);
}

.page-news .tag-trans {
  color: var(--white-050);
  border-color: rgba(45, 242, 214, .3);
  background: var(--cyan-700);
}

.page-news .tag-prod {
  color: var(--orange-500);
  border-color: rgba(255, 107, 31, .5);
  background: rgba(255, 107, 31, .1);
}

.page-news .tag-data {
  color: var(--steel-300);
  border-color: rgba(169, 182, 204, .45);
  background: rgba(169, 182, 204, .1);
}

.page-news .tl-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--white-050);
}

.page-news .tl-sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--steel-300);
}

.page-news .tl-more {
  margin-top: 12px;
}

.page-news .tl-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan-400);
  list-style: none;
}

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

.page-news .tl-more > summary::after {
  content: "+";
  font-size: 14px;
  line-height: 1;
}

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

.page-news .tl-more > summary:hover {
  color: var(--white-050);
}

.page-news .tl-more__body {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px dashed rgba(51, 69, 111, .95);
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel-300);
}

.page-news .tl-more__body p {
  margin: 0;
}

.page-news .tl-more__body a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 242, 214, .4);
}

.page-news .tl-more__body a:hover {
  color: var(--white-050);
  border-bottom-color: var(--white-050);
}

/* ---------- 图文双栏 ---------- */
.page-news .news-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.page-news .news-block__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-news .news-block__text h2 {
  margin: 10px 0 14px;
}

.page-news .news-block__text p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-news .news-block__text p a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 242, 214, .4);
}

.page-news .news-block__text p a:hover {
  color: var(--white-050);
  border-bottom-color: var(--white-050);
}

.page-news .check-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .check-list li {
  position: relative;
  padding: 14px 16px 14px 42px;
  border: 1px solid rgba(51, 69, 111, .75);
  border-radius: var(--r-sm);
  background: rgba(13, 22, 48, .68);
  font-size: 15px;
  line-height: 1.72;
  color: var(--steel-300);
}

.page-news .check-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 21px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(45, 242, 214, .14);
}

.page-news .check-list strong {
  color: var(--white-050);
  font-weight: 700;
}

.page-news .tip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

/* ---------- 版本轨道 ---------- */
.page-news .version-lane {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.page-news .version-lane::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-400), rgba(255, 107, 31, .7));
  opacity: .55;
}

.page-news .vstep {
  position: relative;
  padding: 20px 18px;
  border: 1px solid rgba(51, 69, 111, .8);
  border-radius: var(--r-md);
  background: var(--ink-700);
}

.page-news .vstep--now {
  border-color: rgba(255, 107, 31, .6);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 31, .14);
}

.page-news .vstep__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan-400);
}

.page-news .vstep--now .vstep__tag {
  color: var(--orange-500);
}

.page-news .vstep h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--white-050);
}

.page-news .vstep p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel-300);
}

/* ---------- 数据报告 ---------- */
.page-news .data-points {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-news .data-point {
  padding: 16px 16px 15px;
  border-left: 2px solid var(--cyan-400);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(13, 22, 48, .7);
}

.page-news .data-point__num {
  display: block;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--white-050);
}

.page-news .data-point__unit {
  margin-left: 3px;
  font-size: 14px;
  color: var(--cyan-400);
}

.page-news .data-point__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel-300);
}

/* ---------- 订阅面板 ---------- */
.page-news .sub-panel {
  padding: 26px 20px;
  border: 1px solid rgba(45, 242, 214, .35);
  border-radius: var(--r-lg);
  background:
    radial-gradient(85% 120% at 100% 0%, rgba(45, 242, 214, .14), transparent 62%),
    var(--ink-800);
}

.page-news .sub-panel__intro h2 {
  margin: 10px 0 14px;
}

.page-news .sub-panel__intro p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-news .sub-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-news .sub-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border: 1px solid rgba(169, 182, 204, .38);
  border-radius: var(--r-pill);
  background: rgba(6, 11, 24, .55);
  color: var(--white-050);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}

.page-news .sub-chip:hover,
.page-news .sub-chip:focus-visible {
  border-color: var(--cyan-400);
  background: rgba(45, 242, 214, .12);
  color: var(--white-050);
}

.page-news .sub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .data-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-hero {
    padding-top: 40px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding-top: 52px;
  }

  .page-news .news-tl {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 44px;
  }

  .page-news .news-tl__rail {
    display: block;
    align-self: start;
    position: sticky;
    top: calc(var(--hdr-h) + 20px);
    overflow: visible;
    padding: 0;
  }

  .page-news .rail-item {
    margin-bottom: 8px;
  }

  .page-news .news-block {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }

  .page-news .news-block--flip > .news-block__media {
    order: 2;
  }

  .page-news .version-lane {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-top: 44px;
  }

  .page-news .version-lane::before {
    left: 0;
    right: 0;
    top: -22px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, rgba(45, 242, 214, .65), rgba(255, 107, 31, .65));
  }

  .page-news .sub-panel {
    display: grid;
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 48px;
    align-items: center;
    padding: 40px 44px;
  }

  .page-news .sub-chips {
    margin-top: 0;
  }
}
<<<END>>>