.page-news {
  --rail-w: 208px;
  --pin-edge: 3px;
  background:
    linear-gradient(180deg, rgba(14, 42, 71, .85) 0, rgba(7, 26, 47, 0) 460px);
  color: var(--text);
}

.page-news .news-crumb {
  padding-top: 20px;
}

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

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

.page-news .breadcrumb {
  font-size: 13px;
  letter-spacing: .04em;
}

.page-news .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line-strong);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: 26px 0 52px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -40px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle at center, rgba(53, 240, 208, .14), rgba(53, 240, 208, 0) 68%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  display: grid;
  gap: 32px;
}

.page-news .news-hero__main .eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
}

.page-news .news-hero h1 {
  margin: 0;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--cream);
  max-width: 16em;
}

.page-news .news-hero .lead {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-news .news-hero__side {
  position: relative;
  padding-left: 18px;
  border-left: 1px solid var(--line-strong);
}

.page-news .news-hero__side .rail-note {
  margin: 0 0 16px;
  color: var(--stone);
}

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

.page-news .news-facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-news .news-facts__num {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cyan-soft);
  font-variant-numeric: tabular-nums;
}

.page-news .news-facts__label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 主体两栏 ---------- */

.page-news .news-body {
  padding: 36px 0 8px;
}

.page-news .news-layout {
  display: grid;
  gap: 26px;
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-news .news-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-rail__tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(14, 42, 71, .55);
  color: var(--stone);
  font: inherit;
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  transition: color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-news .news-rail__tab:hover {
  color: var(--cyan-soft);
  border-color: var(--line-strong);
}

.page-news .news-rail__tab[aria-selected="true"] {
  color: var(--deep);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .news-rail__num {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  opacity: .72;
}

.page-news .news-rail__hint {
  display: none;
}

/* ---------- 日志面板 ---------- */

.page-news .news-panel {
  padding: 0;
}

.page-news .news-panel__head {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-panel__head h2 {
  margin: 0 0 8px;
  font-size: clamp(20px, 3.6vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-news .news-panel__head p {
  margin: 0;
  max-width: 42em;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-news .news-list {
  display: grid;
  gap: 12px;
}

.page-news .news-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(14, 42, 71, .7);
  transition: border-color .22s var(--ease), background .22s var(--ease);
}

.page-news .news-item:hover {
  border-color: var(--line-strong);
  background: rgba(24, 58, 92, .72);
}

.page-news .news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--tagc, var(--stone));
  letter-spacing: .03em;
}

.page-news .news-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--tagc, var(--stone));
}

.page-news .news-time {
  margin-left: auto;
  color: var(--stone);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-news .news-panel--structure .news-tag { --tagc: var(--orange); }
.page-news .news-panel--release .news-tag { --tagc: var(--cyan); }
.page-news .news-panel--feature .news-tag { --tagc: #9C93C4; }
.page-news .news-panel--maintain .news-tag { --tagc: var(--stone); }

.page-news .news-item__title {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text-strong);
}

.page-news .news-item__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--stone);
}

.page-news .news-item__link {
  align-self: flex-start;
  margin-top: 4px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .42);
  padding-bottom: 2px;
}

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

/* 置顶条目 */

.page-news .news-item--pin {
  border-left: var(--pin-edge) solid var(--orange);
  background: linear-gradient(135deg, rgba(24, 58, 92, .92), rgba(14, 42, 71, .8));
  padding-left: 14px;
}

.page-news .news-item--pin .news-item__title {
  font-size: 18px;
  line-height: 1.4;
  color: var(--cream);
}

.page-news .news-item--pin .news-item__desc {
  color: var(--text);
}

/* 缩略图 */

.page-news .news-item__media {
  order: -1;
}

.page-news .news-item__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--line);
  object-fit: cover;
}

/* 专题跨栏条目 */

.page-news .news-item--feature {
  padding: 0;
  overflow: hidden;
  background: var(--glass);
  border-color: rgba(53, 240, 208, .26);
}

.page-news .news-item--feature .news-item__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}

.page-news .news-cover {
  position: relative;
  display: block;
  overflow: hidden;
  border-bottom: 1px solid rgba(53, 240, 208, .18);
}

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

.page-news .news-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(53, 240, 208, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 240, 208, .1) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}

/* ---------- 订阅 ---------- */

.page-news .news-subscribe {
  margin-top: 48px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(105deg, rgba(110, 106, 138, .28) 0%, rgba(7, 26, 47, 0) 58%),
    rgba(14, 42, 71, .5);
}

.page-news .news-subscribe__inner {
  display: grid;
  gap: 26px;
}

.page-news .news-subscribe h2 {
  margin: 0 0 14px;
  font-size: clamp(21px, 4vw, 30px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--cream);
  max-width: 18em;
}

.page-news .news-subscribe p {
  margin: 0 0 16px;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text);
}

.page-news .news-subscribe__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-news .news-subscribe__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone);
}

.page-news .news-subscribe__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--terra);
  transform: rotate(45deg);
}

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

/* ---------- 季度归档 ---------- */

.page-news .news-archive {
  padding: 44px 0 56px;
}

.page-news .news-archive__head {
  margin-bottom: 22px;
}

.page-news .news-archive__head h2 {
  margin: 0 0 10px;
  font-size: clamp(21px, 4vw, 30px);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-news .news-archive__head p {
  margin: 0;
  max-width: 44em;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--stone);
}

.page-news .news-quarter {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(14, 42, 71, .55);
}

.page-news .news-quarter + .news-quarter {
  margin-top: 10px;
}

.page-news .news-quarter > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: -.005em;
  color: var(--text-strong);
  transition: color .2s var(--ease);
}

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

.page-news .news-quarter > summary:hover {
  color: var(--cyan-soft);
}

.page-news .news-quarter > summary::after {
  content: "+";
  margin-left: auto;
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

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

.page-news .news-quarter[open] > summary {
  border-bottom: 1px dashed var(--line);
}

.page-news .news-quarter__body {
  padding: 14px 16px 16px;
}

.page-news .news-quarter__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-news .news-quarter__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--stone);
}

.page-news .news-quarter__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .7em;
  width: 8px;
  height: 1px;
  background: var(--stone);
}

.page-news .news-archive__foot {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--stone);
}

.page-news .news-archive__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .4);
}

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

.page-news :focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 720px) {
  .page-news .news-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .news-item--pin,
  .page-news .news-item--feature {
    grid-column: 1 / -1;
  }

  .page-news .news-item--pin {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 210px;
    align-items: center;
    gap: 18px;
    padding: 20px 20px 20px 16px;
  }

  .page-news .news-item--pin .news-item__media {
    order: 0;
  }

  .page-news .news-item--with-media:not(.news-item--pin) {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    align-items: start;
    gap: 14px;
  }

  .page-news .news-item--with-media:not(.news-item--pin) .news-item__media {
    order: 0;
  }

  .page-news .news-item--with-media:not(.news-item--pin) .news-item__media img {
    aspect-ratio: 1 / 1;
  }

  .page-news .news-item--feature .news-item__body {
    padding: 18px 20px 20px;
  }

  /* 阅读坡度：越往下越紧凑 */
  .page-news .news-list > .news-item:nth-child(n+5) {
    padding-top: 13px;
    padding-bottom: 13px;
    gap: 6px;
  }

  .page-news .news-list > .news-item:nth-child(n+5) .news-item__desc {
    font-size: 12.5px;
  }

  .page-news .news-subscribe__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .6fr);
    align-items: start;
    gap: 40px;
  }

  .page-news .news-subscribe__action {
    flex-direction: column;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-news .news-crumb {
    padding-top: 26px;
  }

  .page-news .news-hero {
    padding: 34px 0 62px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .72fr);
    align-items: end;
    gap: 56px;
  }

  .page-news .news-hero h1 {
    font-size: clamp(40px, 4.4vw, 56px);
  }

  .page-news .news-hero .lead {
    font-size: 16px;
    margin-top: 22px;
  }

  .page-news .news-body {
    padding-top: 46px;
  }

  .page-news .news-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
    padding-right: 4px;
  }

  .page-news .news-rail__list {
    display: block;
    border-left: 1px solid var(--line);
  }

  .page-news .news-rail__tab {
    display: flex;
    width: 100%;
    padding: 11px 12px 11px 18px;
    border: 0;
    border-radius: 0;
    background: none;
    font-size: 15px;
    color: var(--stone);
  }

  .page-news .news-rail__tab::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 9px;
    bottom: 9px;
    width: 3px;
    border-radius: 2px;
    background: var(--cyan);
    transform: scaleY(0);
    transform-origin: top center;
    transition: transform .24s var(--ease);
  }

  .page-news .news-rail__tab:hover {
    background: rgba(24, 58, 92, .5);
    color: var(--cyan-soft);
  }

  .page-news .news-rail__tab[aria-selected="true"] {
    background: rgba(53, 240, 208, .1);
    color: var(--cyan);
  }

  .page-news .news-rail__tab[aria-selected="true"]::before {
    transform: scaleY(1);
  }

  .page-news .news-rail__tab[aria-selected="true"] .news-rail__num {
    color: var(--cyan-soft);
    opacity: 1;
  }

  .page-news .news-rail__hint {
    display: block;
    margin: 20px 0 0;
    padding-left: 18px;
    font-size: 12px;
    line-height: 1.75;
    color: var(--stone);
    border-left: 1px solid var(--line);
  }

  .page-news .news-panel__head h2 {
    font-size: 28px;
  }

  .page-news .news-list {
    gap: 16px;
  }

  .page-news .news-item {
    padding: 18px;
  }

  .page-news .news-item--pin {
    padding: 24px 24px 24px 20px;
  }

  .page-news .news-item--pin .news-item__title {
    font-size: 20px;
  }

  .page-news .news-subscribe {
    margin-top: 60px;
    padding: 56px 0;
  }

  .page-news .news-archive {
    padding: 56px 0 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-rail__tab,
  .page-news .news-rail__tab::before,
  .page-news .news-item,
  .page-news .news-quarter > summary {
    transition: none;
  }
}
<<<END>>>