.page-news {
  --news-index-w: 220px;
  background: var(--bg);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 2rem 0 0;
  isolation: isolate;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.22;
  -webkit-mask-image: radial-gradient(62% 72% at 18% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(62% 72% at 18% 0%, #000 0%, transparent 78%);
  pointer-events: none;
}

.page-news .news-crumb {
  margin-bottom: 1.5rem;
}

.page-news .news-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-2);
}

.page-news .news-crumb .breadcrumb a {
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-news .news-crumb .breadcrumb a:hover,
.page-news .news-crumb .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-news .news-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.35rem;
  color: var(--line);
}

.page-news .news-hero__title {
  margin: 0.5rem 0 1.1rem;
  font-size: clamp(2.05rem, 7vw, 4.3rem);
  line-height: 1.03;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-news .news-hero__title em {
  font-style: normal;
  color: var(--red);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text-2);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.9rem;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-stat {
  background: var(--deep);
  padding: 0.95rem 1rem 1.05rem;
}

.page-news .news-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3.2vw, 1.6rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-news .news-stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--text-2);
}

.page-news .news-hero__figure {
  margin: 2rem 0 0;
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding: 2.6rem 0 3.4rem;
}

.page-news .news-main {
  min-width: 0;
}

/* ---------- 左侧索引 ---------- */
.page-news .news-index {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--deep);
  padding: 1.1rem 1rem 1.2rem;
}

.page-news .news-index__label {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-2);
}

.page-news .news-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.12rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.52rem 0.5rem 0.52rem 0.6rem;
  border-left: 2px solid transparent;
  border-radius: 2px;
  color: var(--text-2);
  font-size: 0.85rem;
  line-height: 1.35;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  color: var(--text);
  background: var(--card);
}

.page-news .news-index__link.is-active {
  color: var(--text);
  border-left-color: var(--red);
  background: var(--card);
}

.page-news .news-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--red);
}

.page-news .news-index__foot {
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--text-2);
}

.page-news .news-index__foot b {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--amber);
}

/* ---------- 区块通用 ---------- */
.page-news .news-section {
  margin-bottom: 3rem;
  scroll-margin-top: 96px;
}

.page-news .news-section:last-of-type {
  margin-bottom: 0;
}

.page-news .news-section__head {
  margin-bottom: 1.35rem;
}

.page-news .news-section__title {
  margin: 0.35rem 0 0.6rem;
  font-size: clamp(1.42rem, 3.8vw, 2rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .news-section__sub {
  margin: 0;
  max-width: 64ch;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--text-2);
}

/* ---------- 头条三条 ---------- */
.page-news .headline-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .headline {
  display: grid;
  gap: 0.45rem;
  padding: 1.1rem 1.05rem 1.2rem;
  background: var(--deep);
}

.page-news .headline__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 0.95;
  color: var(--red);
}

.page-news .headline__body {
  min-width: 0;
}

.page-news .headline__title {
  margin: 0.5rem 0 0;
  font-size: 1.06rem;
  line-height: 1.38;
  font-weight: 700;
}

.page-news .headline__desc {
  margin: 0.42rem 0 0;
  font-size: 0.89rem;
  line-height: 1.74;
  color: var(--text-2);
}

.page-news .headline__time {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.05em;
  color: var(--amber);
  white-space: nowrap;
}

/* ---------- 筛选标签 ---------- */
.page-news .news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.7rem;
  padding: 0;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.42rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--deep);
  color: var(--text-2);
  font-size: 0.78rem;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  border-color: var(--red);
  background: var(--card);
  color: var(--text);
}

.page-news .news-chip b {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan);
}

/* ---------- 更新流 ---------- */
.page-news .feed-group {
  margin-bottom: 1.9rem;
  scroll-margin-top: 100px;
}

.page-news .feed-group--schedule { --dot: var(--red); }
.page-news .feed-group--browser { --dot: var(--cyan); }
.page-news .feed-group--team { --dot: var(--amber); }
.page-news .feed-group--adapt { --dot: var(--paper); }

.page-news .feed-group__bar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line);
}

.page-news .feed-group__name {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text);
}

.page-news .feed-group__count {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
}

.page-news .feed-list {
  margin: 0;
  padding: 0 0 0 1.05rem;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-news .feed-item {
  position: relative;
  padding: 0.85rem 0 0.95rem;
  border-bottom: 1px dashed var(--line);
}

.page-news .feed-item:last-child {
  border-bottom: 0;
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: -1.05rem;
  top: 1.35rem;
  width: 7px;
  height: 7px;
  transform: translateX(-3px);
  border-radius: 50%;
  background: var(--dot, var(--line));
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.42rem;
}

.page-news .feed-item__time {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text-2);
}

.page-news .feed-item__title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  line-height: 1.42;
  font-weight: 700;
}

.page-news .feed-item__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 0.88rem;
  line-height: 1.74;
  color: var(--text-2);
}

/* ---------- 配图 ---------- */
.page-news .news-figure {
  margin: 1.4rem 0 0;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-figure figcaption {
  margin-top: 0.55rem;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--text-2);
}

/* ---------- 版本时间线 ---------- */
.page-news .news-timeline {
  margin: 1.4rem 0 0;
  padding: 0 0 0 1.1rem;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-news .tl-item {
  position: relative;
  display: grid;
  gap: 0.22rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .tl-item:last-child {
  border-bottom: 0;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -1.1rem;
  top: 1.45rem;
  width: 9px;
  height: 9px;
  transform: translateX(-4.5px) rotate(45deg);
  background: var(--deep);
  border: 1px solid var(--red);
}

.page-news .tl-item__key {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .tl-item__title {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.42;
  font-weight: 700;
}

.page-news .tl-item__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--text-2);
}

/* ---------- 归档 ---------- */
.page-news .archive-grid {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .archive-card {
  background: var(--deep);
  padding: 1.1rem 1rem 1.2rem;
}

.page-news .archive-card__title {
  margin: 0.6rem 0 0.4rem;
  font-size: 1rem;
  line-height: 1.4;
  font-weight: 700;
}

.page-news .archive-card__desc {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--text-2);
}

.page-news .archive-card__meta {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* ---------- 下一步 ---------- */
.page-news .news-cta {
  position: relative;
  margin-top: 2.8rem;
  padding: 1.6rem 1.15rem 1.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--card), var(--deep) 62%);
  overflow: hidden;
}

.page-news .news-cta::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--red), var(--amber));
}

.page-news .news-cta__title {
  margin: 0.35rem 0 0.6rem;
  font-size: clamp(1.35rem, 3.6vw, 1.85rem);
  line-height: 1.22;
  font-weight: 800;
}

.page-news .news-cta__text {
  margin: 0;
  max-width: 60ch;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--text-2);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.3rem;
}

.page-news .news-cta__aside {
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.page-news .news-cta__aside-title {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .news-cta__aside-text {
  margin: 0 0 0.9rem;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--text-2);
}

.page-news .news-cta__contact {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  word-break: break-all;
}

.page-news .news-cta__contact a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-news .news-cta__note {
  margin: 0.6rem 0 0;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--text-2);
}

/* ---------- 断点 ---------- */
@media (min-width: 780px) {
  .page-news .news-hero {
    padding-top: 2.6rem;
  }

  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .headline {
    grid-template-columns: 3.2rem minmax(0, 1fr) 8rem;
    align-items: start;
    gap: 1.1rem;
    padding: 1.3rem 1.15rem 1.4rem;
  }

  .page-news .headline__num {
    font-size: 1.8rem;
  }

  .page-news .headline__time {
    justify-self: end;
    text-align: right;
  }

  .page-news .feed-list {
    padding-left: 1.3rem;
  }

  .page-news .feed-item::before {
    left: -1.3rem;
  }

  .page-news .tl-item {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    column-gap: 1.2rem;
    row-gap: 0.28rem;
    align-items: start;
    padding: 1rem 0;
  }

  .page-news .tl-item__key {
    grid-row: 1 / span 2;
  }

  .page-news .archive-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-cta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: 2.2rem;
    align-items: start;
    padding: 2rem 1.9rem 2.1rem;
  }

  .page-news .news-cta__aside {
    margin-top: 0;
    padding-top: 0;
    padding-left: 1.4rem;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 940px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-index-w) minmax(0, 1fr);
    gap: 3.2rem;
    padding: 3.2rem 0 4.4rem;
  }

  .page-news .news-index {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-news .news-index__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .news-hero__lede {
    font-size: 1.06rem;
  }
}

@media (max-width: 420px) {
  .page-news .news-hero__title {
    font-size: 1.95rem;
  }

  .page-news .news-cta__actions .btn {
    width: 100%;
    text-align: center;
  }
}
<<<END>>>