.page-news {
  --pn-radius: 18px 4px 18px 4px;
  --pn-gap: clamp(20px, 4vw, 40px);
  --pn-ease: cubic-bezier(.22, .61, .36, 1);
}

.page-news .wrap {
  max-width: 1280px;
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--grey);
}

.page-news .crumbs a {
  color: var(--grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--pn-ease), border-color .18s var(--pn-ease);
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .crumbs [aria-current="page"] {
  color: var(--cyan);
}

.page-news .crumbs__sep {
  color: var(--rock);
}

/* ---------- 首屏 ---------- */
.page-news .topics-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) var(--gutter) clamp(40px, 7vw, 88px);
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 80% 6%, rgba(0, 229, 255, .13), transparent 44%),
    radial-gradient(circle at 8% 88%, rgba(255, 107, 26, .09), transparent 42%),
    linear-gradient(rgba(169, 183, 198, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 183, 198, .055) 1px, transparent 1px);
  background-size: auto, auto, 48px 48px, 48px 48px;
  border-bottom: 1px solid var(--line);
}

.page-news .topics-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(24px, 4vw, 44px);
}

.page-news .topics-hero__index {
  margin: 0 0 18px;
  font-size: .76rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .topics-hero h1 {
  margin: 0;
  font-size: var(--fs-h1);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-news .topics-hero .lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 54ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--grey);
}

.page-news .topics-hero__note {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--rock);
}

.page-news .topics-hero__fig {
  margin: 0;
  border-radius: var(--r-organic);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
}

.page-news .media img,
.page-news .topics-hero__fig img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 首屏数据条 ---------- */
.page-news .hero-stats {
  margin: clamp(34px, 5vw, 60px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-news .hero-stat {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .hero-stat:last-child {
  border-bottom: 0;
}

.page-news .hero-stat dt {
  font-size: .82rem;
  line-height: 1.6;
  color: var(--grey);
}

.page-news .hero-stat dd {
  margin: 8px 0 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-news .hero-stat__num {
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-news .hero-stat__num--hot {
  color: var(--orange);
}

.page-news .hero-stat__unit {
  font-size: .86rem;
  color: var(--rock);
}

/* ---------- 分类索引条 ---------- */
.page-news .topic-nav {
  border-bottom: 1px solid var(--line);
  background: var(--ink-3);
}

.page-news .topic-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-block: 12px;
}

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

.page-news .topic-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  white-space: nowrap;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-size: .88rem;
  color: var(--white);
  text-decoration: none;
  transition: border-color .18s var(--pn-ease), background-color .18s var(--pn-ease), color .18s var(--pn-ease);
}

.page-news .topic-nav__link .mono {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .topic-nav__link:hover {
  border-color: var(--cyan);
  background: var(--cyan-soft);
}

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

/* ---------- 档案分组 ---------- */
.page-news .archive-group {
  padding: clamp(48px, 7vw, 96px) var(--gutter);
}

.page-news .archive-group + .archive-group {
  border-top: 1px solid var(--line-soft);
}

.page-news .group-head {
  display: grid;
  gap: 18px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-news .group-head__idx {
  margin: 0 0 14px;
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--moss);
}

.page-news .group-head h2 {
  margin: 0;
  font-size: var(--fs-h2);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-news .group-head__text p {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--grey);
}

.page-news .group-head--split .group-head__fig {
  margin: 0;
  border-radius: var(--r-organic);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

/* ---------- 条目列表 ---------- */
.page-news .entry-list {
  border-top: 1px solid var(--line);
}

.page-news .entry {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "no tag"
    "body body";
  gap: 12px 18px;
  padding: 22px 0 22px 16px;
  position: relative;
  border-bottom: 1px solid var(--line);
  transition: background-color .2s var(--pn-ease);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .24s var(--pn-ease);
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  background: linear-gradient(90deg, rgba(0, 229, 255, .05), transparent 62%);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  transform: scaleY(1);
}

.page-news .entry__no {
  grid-area: no;
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: .3em;
}

.page-news .entry__tag {
  grid-area: tag;
  justify-self: start;
  align-self: start;
}

.page-news .entry__body {
  grid-area: body;
  min-width: 0;
}

.page-news .entry__title {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.5;
  font-weight: 600;
  color: var(--white);
}

.page-news .entry__sum {
  margin: 10px 0 0;
  max-width: 68ch;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--grey);
  max-height: 3.44em;
  overflow: hidden;
  transition: max-height .3s var(--pn-ease), color .2s var(--pn-ease);
}

.page-news .entry:hover .entry__sum,
.page-news .entry:focus-within .entry__sum {
  max-height: 10em;
  color: var(--white);
}

/* ---------- 版本日志 ---------- */
.page-news .vlog-section {
  padding: clamp(48px, 7vw, 96px) var(--gutter);
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .vlog-layout {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
}

.page-news .vlog-head__idx {
  margin: 0 0 14px;
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--clay);
}

.page-news .vlog-head h2 {
  margin: 0;
  font-size: var(--fs-h2);
  line-height: 1.22;
  font-weight: 800;
  color: var(--white);
}

.page-news .vlog-head p {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--grey);
}

.page-news .v-track {
  display: block;
  width: 100%;
  height: auto;
  margin: clamp(26px, 4vw, 40px) 0 clamp(20px, 3vw, 30px);
}

.page-news .v-line {
  stroke: var(--line-strong);
  stroke-width: 2;
  stroke-dasharray: 7 7;
}

.page-news .v-dot {
  fill: var(--rock);
}

.page-news .v-dot--mid {
  fill: var(--moss);
}

.page-news .v-dot--late {
  fill: var(--clay);
}

.page-news .v-dot--now {
  fill: var(--orange);
}

.page-news .v-ring {
  fill: none;
  stroke: var(--orange);
  stroke-opacity: .38;
  stroke-width: 2;
}

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

.page-news .vlog::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--rock), var(--cyan) 55%, var(--orange));
}

.page-news .vlog__item {
  position: relative;
  padding: 0 0 clamp(24px, 3.4vw, 34px) 28px;
  display: grid;
  gap: 8px;
}

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

.page-news .vlog__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45em;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-2);
  border: 1px solid var(--rock);
}

.page-news .vlog__item--now::before {
  border-color: var(--orange);
  background: var(--orange);
  box-shadow: 0 0 0 4px var(--orange-soft);
}

.page-news .vlog__ver {
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .vlog__item--now .vlog__ver {
  color: var(--orange);
}

.page-news .vlog__body h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.5;
  font-weight: 600;
  color: var(--white);
}

.page-news .vlog__body p {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--grey);
}

.page-news .vlog-aside {
  margin: 0;
  border-radius: var(--r-organic);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--ink-3);
  position: relative;
}

.page-news .vlog-aside__cap {
  display: block;
  padding: 12px 16px;
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--grey);
  border-top: 1px solid var(--line);
}

/* ---------- 后续入口 ---------- */
.page-news .next-steps {
  padding: clamp(48px, 7vw, 88px) var(--gutter);
}

.page-news .next-head__idx {
  margin: 0 0 12px;
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .next-head h2 {
  margin: 0 0 clamp(24px, 4vw, 40px);
  font-size: var(--fs-h2);
  line-height: 1.22;
  font-weight: 800;
  color: var(--white);
}

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

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

.page-news .next-item__link {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "title arrow"
    "desc desc";
  align-items: center;
  gap: 8px 18px;
  padding: 20px 8px 20px 0;
  text-decoration: none;
  transition: background-color .2s var(--pn-ease), transform .2s var(--pn-ease);
}

.page-news .next-item__link:hover {
  background: linear-gradient(90deg, rgba(255, 107, 26, .07), transparent 60%);
}

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

.page-news .next-item__title {
  grid-area: title;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--white);
}

.page-news .next-item__desc {
  grid-area: desc;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--grey);
}

.page-news .next-item__arrow {
  grid-area: arrow;
  font-size: 1rem;
  color: var(--rock);
  transition: color .2s var(--pn-ease), transform .2s var(--pn-ease);
}

.page-news .next-item__link:hover .next-item__arrow,
.page-news .next-item__link:focus-visible .next-item__arrow {
  color: var(--orange);
  transform: translateX(4px);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-news .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .hero-stat {
    padding: 22px 26px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-news .hero-stat:first-child {
    padding-left: 0;
  }

  .page-news .hero-stat:last-child {
    border-right: 0;
  }
}

@media (min-width: 900px) {
  .page-news .topics-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-news .group-head--split {
    grid-template-columns: 5fr 7fr;
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-news .group-head--reverse {
    grid-template-columns: 7fr 5fr;
  }

  .page-news .entry {
    grid-template-columns: 84px minmax(0, 1fr) 148px;
    grid-template-areas: "no .page-news tag";
    align-items: start;
    gap: 0 26px;
    padding: 26px 20px 26px 18px;
  }

  .page-news .entry__tag {
    justify-self: end;
  }

  .page-news .vlog-layout {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-news .vlog-aside {
    align-self: end;
  }

  .page-news .next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1100px) {
  .page-news .entry__title {
    font-size: 1.12rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry::before,
  .page-news .entry__sum,
  .page-news .topic-nav__link,
  .page-news .next-item__link,
  .page-news .next-item__arrow {
    transition: none;
  }
}
<<<END>>>