.page-news {
  background: var(--deep);
  color: var(--text);
  overflow-x: hidden;
}

.page-news .news-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-display);
  color: var(--cyan-soft);
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 0;
}

.page-news p { margin: 0; }
.page-news ul,
.page-news ol { margin: 0; padding: 0; list-style: none; }

.page-news .link-arrow {
  display: inline-block;
  color: var(--cyan);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 208, 0.35);
  padding-bottom: 2px;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}
.page-news .link-arrow::after {
  content: " →";
  font-family: var(--font-mono);
}
.page-news .link-arrow:hover,
.page-news .link-arrow:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-news .news-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--night);
  display: block;
}
.page-news .news-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .news-media--wide img { aspect-ratio: 3 / 2; }
.page-news .news-media--band img { aspect-ratio: 12 / 8; }
.page-news .news-media--square img { aspect-ratio: 1 / 1; }

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 34px) 0 clamp(46px, 7vw, 88px);
  background: linear-gradient(152deg, var(--deep-2) 0%, var(--deep) 48%, var(--night) 100%);
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -34%;
  width: 82%;
  height: 92%;
  background: linear-gradient(150deg, rgba(47, 227, 208, 0.16), rgba(47, 227, 208, 0) 68%);
  clip-path: polygon(24% 0, 100% 20%, 100% 100%, 0 84%);
  pointer-events: none;
}
.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}
.page-news .news-hero__crumb { margin-bottom: clamp(28px, 5vw, 52px); }
.page-news .news-hero__crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
}
.page-news .news-hero__crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(143, 169, 192, 0.5);
}
.page-news .news-hero__crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-news .news-hero__crumb a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.page-news .news-hero__crumb [aria-current="page"] { color: var(--cyan-soft); }

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 54px);
}

.page-news .news-hero h1 {
  font-size: clamp(32px, 6.6vw, 66px);
  font-weight: 800;
  max-width: 15em;
  margin-top: 14px;
}

.page-news .news-hero__lead {
  margin-top: 22px;
  max-width: 44em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hero__facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-news .news-fact {
  background: rgba(12, 37, 64, 0.82);
  padding: 16px 14px 18px;
}
.page-news .news-fact dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}
.page-news .news-fact__v {
  margin: 8px 0 0;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 更新流 ---------- */
.page-news .news-feed {
  padding-top: clamp(44px, 6vw, 76px);
}
.page-news .news-feed__layout {
  display: grid;
  gap: 34px;
}

.page-news .news-rail__title {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.page-news .news-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news .news-rail__link {
  display: block;
  padding: 7px 13px;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible,
.page-news .news-rail__link[aria-current="true"] {
  color: var(--deep);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .news-feed__head h2 {
  font-size: clamp(25px, 3.6vw, 38px);
  font-weight: 800;
}
.page-news .news-feed__head p {
  margin-top: 14px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .feed-feature {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  gap: 20px;
  padding: clamp(16px, 2.4vw, 22px);
  background: linear-gradient(140deg, rgba(12, 37, 64, 0.92), rgba(6, 24, 38, 0.6));
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease);
}
.page-news .feed-feature:hover { border-left-color: var(--coral); }

.page-news .feed-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-news .feed-feature__body h3 {
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 800;
  line-height: 1.3;
}
.page-news .feed-feature__body p {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}
.page-news .feed-feature__more { margin-top: 18px; }

.page-news .feed-rows {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}
.page-news .feed-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px 0 15px 16px;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.18s var(--ease);
}
.page-news .feed-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--coral);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s var(--ease);
}
.page-news .feed-row:hover::before,
.page-news .feed-row:focus-within::before { transform: scaleY(1); }

.page-news .feed-row__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.02em;
}
.page-news .feed-row__cat {
  font-size: 12px;
  color: var(--warmgray);
}
.page-news .feed-row__title {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
a.feed-row__title:hover,
a.feed-row__title:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 版本日志 ---------- */
.page-news .news-versions {
  padding-top: clamp(48px, 7vw, 84px);
  padding-bottom: clamp(48px, 7vw, 84px);
  background: var(--night);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-news .news-versions__head h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  font-weight: 800;
  margin-top: 12px;
}
.page-news .news-versions__lead {
  margin-top: 14px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .log {
  position: relative;
  margin-top: clamp(26px, 4vw, 40px);
  padding-left: 22px;
}
.page-news .log::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(47, 227, 208, 0.08));
}
.page-news .log__item {
  position: relative;
  margin-bottom: 10px;
  background: rgba(6, 24, 38, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s var(--ease);
}
.page-news .log__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 20px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--deep);
  border: 1px solid var(--cyan);
}
.page-news .log__item[open]::before { background: var(--coral); border-color: var(--coral); }
.page-news .log__item:hover { border-color: var(--line-strong); }

.page-news .log__summary {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}
.page-news .log__summary::-webkit-details-marker { display: none; }
.page-news .log__summary::after {
  content: "+";
  grid-column: 2;
  grid-row: 2;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--mist);
  justify-self: start;
}
.page-news .log__item[open] .log__summary::after { content: "−"; color: var(--coral); }

.page-news .log__ver {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--cyan);
}
.page-news .log__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan-soft);
}
.page-news .log__when {
  grid-column: 1 / -1;
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-news .log__list {
  padding: 0 18px 18px;
  display: grid;
  gap: 9px;
}
.page-news .log__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}
.page-news .log__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 数据观察 ---------- */
.page-news .news-obs {
  background: var(--paper);
  color: var(--ink);
  padding-top: clamp(46px, 6.5vw, 80px);
  padding-bottom: clamp(46px, 6.5vw, 80px);
}
.page-news .news-obs h2,
.page-news .news-obs h3 {
  color: var(--cyan-deep);
}
.page-news .news-obs .eyebrow { color: var(--cyan-deep); }
.page-news .news-obs__head h2 {
  font-size: clamp(25px, 3.6vw, 38px);
  font-weight: 800;
  margin-top: 12px;
}
.page-news .news-obs__head > p {
  margin-top: 14px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: #35485a;
}

.page-news .obs-list {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  gap: 16px;
}
.page-news .obs {
  padding: 20px 20px 22px;
  background: #ffffff;
  border: 1px solid rgba(11, 17, 24, 0.1);
  border-top: 3px solid var(--cyan-deep);
  border-radius: var(--radius);
  transition: border-top-color 0.18s var(--ease), transform 0.18s var(--ease);
}
.page-news .obs:hover { border-top-color: var(--coral); }
.page-news .obs h3 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
}
.page-news .obs p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: #35485a;
}
.page-news .obs--lead {
  display: grid;
  gap: 18px;
  padding: 0;
  overflow: hidden;
  border-top: none;
  border-left: 3px solid var(--coral);
}
.page-news .obs--lead .obs__text { padding: 22px 20px; }
.page-news .obs--lead h3 { font-size: clamp(20px, 2.6vw, 26px); }
.page-news .obs--lead p { font-size: 15px; }
.page-news .obs--lead .news-media { border-radius: 0; }

.page-news .news-obs__more { margin-top: 26px; }
.page-news .news-obs__more .link-arrow { color: var(--cyan-deep); border-bottom-color: rgba(15, 127, 116, 0.4); }
.page-news .news-obs__more .link-arrow:hover { color: var(--coral); border-bottom-color: var(--coral); }

/* ---------- 专题系列 ---------- */
.page-news .news-topics {
  padding-top: clamp(46px, 6.5vw, 80px);
  padding-bottom: clamp(46px, 6.5vw, 80px);
}
.page-news .news-topics__head h2 {
  font-size: clamp(25px, 3.6vw, 38px);
  font-weight: 800;
  margin-top: 12px;
}
.page-news .news-topics__head p {
  margin-top: 14px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .topics {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  gap: 16px;
}
.page-news .topic {
  padding: 20px;
  background: rgba(12, 37, 64, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s var(--ease);
}
.page-news .topic:hover { border-color: var(--line-strong); }
.page-news .topic h3 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.42;
  margin-top: 12px;
}
.page-news .topic p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-news .topic .link-arrow { margin-top: 16px; font-size: 14px; }
.page-news .topic--lead { padding: 0; overflow: hidden; border-left: 3px solid var(--cyan); }
.page-news .topic--lead .news-media { border-radius: 0; }
.page-news .topic__body { padding: 20px; }
.page-news .topic--lead h3 { font-size: clamp(19px, 2.6vw, 25px); }

/* ---------- 收藏与订阅 ---------- */
.page-news .news-follow {
  padding-top: clamp(46px, 6.5vw, 80px);
  padding-bottom: clamp(52px, 7vw, 88px);
  background: linear-gradient(176deg, var(--deep) 0%, var(--deep-2) 100%);
  border-top: 1px solid var(--line);
}
.page-news .news-follow__inner {
  display: grid;
  gap: 30px;
  align-items: center;
}
.page-news .news-follow__copy h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  font-weight: 800;
  margin-top: 12px;
}
.page-news .news-follow__copy > p {
  margin-top: 16px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}
.page-news .news-follow__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .news-follow__tail {
  font-size: 13px;
  color: var(--mist);
  line-height: 1.9;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.page-news .news-follow__tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 208, 0.35);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-news .news-follow__tail a:hover { color: var(--coral); border-bottom-color: var(--coral); }
.page-news .news-follow__fig {
  max-width: 420px;
  border: 1px solid var(--line-strong);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .feed-row {
    grid-template-columns: 108px 62px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
    padding-left: 18px;
  }
  .page-news .feed-row__cat { text-align: left; }
  .page-news .obs-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-news .obs--lead { grid-column: 1 / -1; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: stretch; }
  .page-news .obs--lead .news-media img { height: 100%; }
  .page-news .log__summary {
    grid-template-columns: 84px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }
  .page-news .log__when { grid-column: auto; justify-self: end; }
  .page-news .log__summary::after { grid-column: auto; grid-row: auto; justify-self: end; }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
  .page-news .news-hero__facts {
    grid-template-columns: 1fr;
    gap: 1px;
  }
  .page-news .news-feed__layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 58px);
    align-items: start;
  }
  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }
  .page-news .news-rail__list { flex-direction: column; flex-wrap: nowrap; }
  .page-news .news-rail__link { border-radius: 3px; }
  .page-news .feed-feature {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 24px;
  }
  .page-news .topics {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-news .topic--lead { grid-column: span 4; grid-row: span 2; }
  .page-news .topic:nth-child(2) { grid-column: span 2; }
  .page-news .topic:nth-child(3) { grid-column: span 2; }
  .page-news .topic:nth-child(4) { grid-column: span 6; }
  .page-news .news-follow__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 60px);
  }
  .page-news .news-follow__fig { justify-self: end; width: 100%; }
}

@media (min-width: 1100px) {
  .page-news .news-obs .obs-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-row::before,
  .page-news .log__item,
  .page-news .topic,
  .page-news .obs,
  .page-news .link-arrow,
  .page-news .news-rail__link {
    transition: none;
  }
}
<<<END>>>