.page-news {
  background: var(--ink-900);
  color: var(--ice);
  padding-bottom: clamp(36px, 6vw, 80px);
}

.page-news .crumbs {
  padding-top: clamp(16px, 3vw, 26px);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

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

.page-news .crumbs a:hover {
  color: var(--orange);
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(22px, 4vw, 40px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 7.6vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.page-news .news-hero__title b {
  font-weight: 400;
  color: var(--orange);
}

.page-news .news-hero__lede {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ice);
}

.page-news .news-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-hero__key {
  color: var(--mist);
  letter-spacing: 0.1em;
}

/* ---------- 栏目索引 ---------- */
.page-news .cat--observe { --cat: var(--orange); }
.page-news .cat--version { --cat: var(--lime); }
.page-news .cat--delivery { --cat: var(--grass); }
.page-news .cat--notes { --cat: var(--orange-soft); }

.page-news .news-index {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: rgba(5, 11, 22, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-index__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 12px;
  color: var(--ice);
  text-decoration: none;
  border-left: 2px solid var(--cat);
  border-top: 1px solid var(--line);
  transition: background 0.18s var(--ease);
}

.page-news .news-index__item:hover,
.page-news .news-index__item:focus-visible {
  background: var(--glass);
}

.page-news .news-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cat);
}

.page-news .news-index__name {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.02em;
}

.page-news .news-index__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

/* ---------- 头条 ---------- */
.page-news .headline-section {
  padding: clamp(26px, 4vw, 48px) 0 0;
}

.page-news .headline {
  display: grid;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-news .headline__figure {
  margin: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-news .headline__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  max-height: 420px;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-news .headline__body {
  padding: clamp(20px, 3.4vw, 38px);
}

.page-news .headline__flag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-900);
  background: var(--lime);
}

.page-news .headline__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  color: var(--ice);
}

.page-news .headline__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .headline__points {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .headline__points strong {
  display: inline-block;
  min-width: 84px;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--lime);
}

.page-news .headline__body .btn {
  margin-top: 22px;
}

/* ---------- 列表 ---------- */
.page-news .feed-section {
  padding: clamp(34px, 5vw, 64px) 0 0;
}

.page-news .section-head {
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .filter-btn {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  padding: 7px 12px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-news .filter-btn:hover {
  color: var(--ice);
  border-color: var(--orange-soft);
}

.page-news .filter-btn[aria-pressed="true"] {
  color: var(--ink-900);
  background: var(--orange);
  border-color: var(--orange);
}

.page-news .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-news .feed-list {
  display: block;
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .feed-item[hidden] {
  display: none;
}

.page-news .feed-item__meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .feed-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cat);
  border: 1px solid var(--line);
  border-radius: 2px;
  white-space: nowrap;
}

.page-news .feed-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cat);
}

.page-news .feed-item__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .feed-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(19px, 2.3vw, 24px);
  line-height: 1.28;
  color: var(--ice);
  transition: color 0.18s var(--ease);
}

.page-news .feed-item:hover .feed-item__title {
  color: var(--cat);
}

.page-news .feed-item__summary {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .feed-item__more {
  margin-top: 10px;
}

.page-news .feed-item__more summary {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cat);
  cursor: pointer;
  list-style: none;
}

.page-news .feed-item__more summary::-webkit-details-marker {
  display: none;
}

.page-news .feed-item__more summary::after {
  content: " +";
}

.page-news .feed-item__more[open] summary::after {
  content: " −";
}

.page-news .feed-item__more p {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ice);
  padding-left: 12px;
  border-left: 2px solid var(--cat);
}

/* ---------- 版本日志 ---------- */
.page-news .versions-section {
  padding: clamp(38px, 6vw, 72px) 0 0;
}

.page-news .versions-grid {
  display: grid;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 3vw, 30px);
}

.page-news .versions-figure {
  margin: 0;
}

.page-news .versions-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .versions-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

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

.page-news .version-row {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-news .version-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .version-row__head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-news .version-row__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1;
  font-weight: 700;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-news .version-row__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.3;
  color: var(--ice);
}

.page-news .version-row__text {
  margin: 8px 0 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 交付记录 ---------- */
.page-news .delivery-section {
  padding: clamp(38px, 6vw, 72px) 0 0;
}

.page-news .delivery-figure {
  margin: 0 0 22px;
}

.page-news .delivery-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .delivery-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .delivery-table {
  border-top: 1px solid var(--line);
}

.page-news .delivery-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: 4px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ice);
}

.page-news .delivery-row span:first-child {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange-soft);
}

.page-news .delivery-row--head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .delivery-row--head span:first-child {
  color: var(--mist);
}

.page-news .delivery-note {
  margin: 18px 0 0;
  max-width: 68ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  padding-left: 12px;
  border-left: 2px solid var(--orange);
}

/* ---------- 安装笔记 ---------- */
.page-news .notes-section {
  padding: clamp(38px, 6vw, 72px) 0 0;
}

.page-news .notes-grid {
  display: grid;
  gap: 14px;
}

.page-news .note-card {
  padding: 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange-soft);
}

.page-news .note-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange-soft);
}

.page-news .note-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 19px;
  line-height: 1.3;
  color: var(--ice);
}

.page-news .note-card p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .notes-figure {
  margin: 20px 0 0;
}

.page-news .notes-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .notes-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 继续阅读 ---------- */
.page-news .subscribe-section {
  margin-top: clamp(40px, 6vw, 76px);
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 2px solid var(--orange);
  background: linear-gradient(180deg, rgba(255, 90, 31, 0.09), transparent 70%);
}

.page-news .subscribe-inner {
  display: grid;
  gap: 22px;
}

.page-news .subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-news .subscribe-actions .btn {
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-news .news-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .delivery-row {
    grid-template-columns: 1fr 1.6fr 0.9fr 0.9fr;
    align-items: center;
  }

  .page-news .delivery-row span:first-child {
    font-size: 13px;
  }
}

@media (min-width: 900px) {
  .page-news .headline {
    grid-template-columns: 1.12fr 1fr;
  }

  .page-news .headline__figure {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-news .headline__figure img {
    min-height: 100%;
    max-height: none;
  }

  .page-news .feed-item {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 28px;
    padding: 26px 0;
  }

  .page-news .feed-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-news .versions-grid {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 40px;
  }

  .page-news .versions-figure {
    position: sticky;
    top: 84px;
  }

  .page-news .subscribe-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 1100px) {
  .page-news .feed-item {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .page-news .versions-grid {
    grid-template-columns: 340px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__item,
  .page-news .filter-btn,
  .page-news .feed-item__title {
    transition: none;
  }
}
<<<END>>>