.page-news {
  --news-line: rgba(38, 50, 90, .55);
  padding-bottom: var(--sp-9);
  background: var(--ink-900);
}

/* ---------- 栏目标题区 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: var(--sp-7) 0 var(--sp-7);
  background: var(--ink-900);
}
.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.65) brightness(.9);
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 14, .62) 0%, rgba(5, 7, 14, .88) 55%, var(--ink-900) 100%);
  pointer-events: none;
}
.page-news .news-hero__inner { position: relative; z-index: 1; }
.page-news .news-hero__grid {
  margin-top: var(--sp-6);
  row-gap: var(--sp-7);
}
.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}
.page-news .news-hero__side {
  display: flex;
  gap: var(--sp-4);
  border-left: 1px solid var(--cyan-16);
  padding-left: var(--sp-4);
}
.page-news .news-hero__vlabel {
  margin: 0;
  flex: 0 0 auto;
  writing-mode: vertical-rl;
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-annot);
  color: var(--cyan);
  line-height: 1;
}
.page-news .news-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4);
}
.page-news .news-hero__stats li {
  border-top: 1px solid var(--line-soft);
  padding-top: var(--sp-2);
  min-width: 0;
}
.page-news .news-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: var(--fs-18);
  color: var(--white);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}
.page-news .news-hero__lab {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-12);
  color: var(--muted);
  letter-spacing: .04em;
}

/* ---------- 章节标题通用 ---------- */
.page-news .news-head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}
.page-news .news-head__annot {
  margin: 0;
  flex: 0 0 auto;
  writing-mode: vertical-rl;
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-annot);
  color: var(--cyan);
  border-left: 1px solid var(--cyan-16);
  padding-left: var(--sp-2);
  line-height: 1;
}
.page-news .news-title {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.16;
  color: var(--white);
}
.page-news .news-sub {
  margin: var(--sp-3) 0 0;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--soft);
}

/* ---------- 标签筛选 ---------- */
.page-news .news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}
.page-news .news-chips .chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

/* ---------- 条目列表 ---------- */
.page-news .news-entries {
  border-top: 1px solid var(--line-soft);
}
.page-news .news-entry {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-2) var(--sp-4);
  padding: var(--sp-4) var(--sp-7) var(--sp-4) 0;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  color: inherit;
  transition: background-color .12s ease, transform .12s ease;
}
.page-news .news-entry__title {
  flex: 0 1 auto;
  font-size: var(--fs-18);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}
.page-news .news-entry__dots {
  flex: 1 1 20px;
  min-width: 20px;
  border-bottom: 1px dashed var(--line);
  transform: translateY(-5px);
}
.page-news .news-entry__tags {
  display: inline-flex;
  gap: var(--sp-2);
  flex: 0 0 auto;
}
.page-news .news-entry__summary {
  flex: 1 1 100%;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--muted);
}
.page-news .news-entry__arrow {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translate(-6px, -50%);
  font-size: var(--fs-18);
  color: var(--cyan);
  opacity: 0;
  pointer-events: none;
  transition: opacity .12s ease, transform .12s ease;
}
.page-news .news-entry:hover {
  background: var(--white-04);
}
.page-news .news-entry:hover .news-entry__arrow,
.page-news .news-entry:focus-visible .news-entry__arrow {
  opacity: 1;
  transform: translate(0, -50%);
}
.page-news .news-entry:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  display: flex;
  gap: var(--sp-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  margin: 0 calc(-1 * var(--sp-4));
  padding: var(--sp-1) var(--sp-4) var(--sp-5);
}
.page-news .news-series > * {
  flex: 0 0 82%;
  scroll-snap-align: start;
}
.page-news .news-series__card {
  display: flex;
  flex-direction: column;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: 8px 8px 0 -1px rgba(11, 19, 36, .92);
  transition: border-color .12s ease, transform .12s ease;
}
.page-news .news-series__card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
}
.page-news .news-series__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--ink-800);
}
.page-news .news-series__cover img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.7) brightness(.86);
}
.page-news .news-series__corner {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  padding: 3px 9px;
  background: var(--orange);
  color: #12060A;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: var(--fs-12);
  letter-spacing: .08em;
}
.page-news .news-series__body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
}
.page-news .news-series__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-annot);
  color: var(--orange);
}
.page-news .news-series__title {
  margin: 0;
  font-size: var(--fs-24);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
  line-height: 1.25;
}
.page-news .news-series__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--soft);
}
.page-news .news-series__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}
.page-news .news-series__list li {
  position: relative;
  padding-left: var(--sp-5);
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--muted);
}
.page-news .news-series__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 14px;
  height: 1px;
  background: var(--cyan);
}
.page-news .news-more {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: var(--fs-16);
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-16);
}
.page-news .news-more:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 版本日志精选 ---------- */
.page-news .news-logs {
  display: grid;
}
.page-news .news-log {
  border-top: 1px solid var(--line-soft);
}
.page-news .news-log:last-child {
  border-bottom: 1px solid var(--line-soft);
}
.page-news .news-log summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-5) 0;
  list-style: none;
  cursor: pointer;
  font-size: var(--fs-18);
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
  transition: color .12s ease;
}
.page-news .news-log summary::-webkit-details-marker { display: none; }
.page-news .news-log summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  line-height: 1;
  color: var(--cyan);
}
.page-news .news-log[open] summary {
  color: var(--cyan);
}
.page-news .news-log[open] summary::after {
  content: "−";
}
.page-news .news-log summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
.page-news .news-log__body {
  padding: 0 var(--sp-6) var(--sp-5) 0;
}
.page-news .news-log__body p {
  margin: 0;
  max-width: 72ch;
  font-size: var(--fs-16);
  line-height: var(--lh-body);
  color: var(--soft);
}

/* ---------- 阅读顺序 ---------- */
.page-news .news-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-5);
}
.page-news .news-path__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-4);
  border-top: 1px solid var(--line-soft);
  padding-top: var(--sp-5);
}
.page-news .news-path__num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: var(--fs-34);
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-news .news-path__title {
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-18);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}
.page-news .news-path__text {
  margin: 0 0 var(--sp-3);
  max-width: 66ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--soft);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  display: grid;
}
.page-news .news-rhythm__row {
  display: grid;
  gap: var(--sp-2);
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--line-soft);
}
.page-news .news-rhythm__row:last-child {
  border-bottom: 1px solid var(--line-soft);
}
.page-news .news-rhythm__key {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: var(--tracking-annot);
  color: var(--yellow);
}
.page-news .news-rhythm__val {
  margin: 0;
  max-width: 70ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--soft);
}
.page-news .news-foot {
  margin: var(--sp-6) 0 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--muted);
}
.page-news .news-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-16);
}
.page-news .news-foot a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-news .news-hero {
    padding: var(--sp-8) 0 var(--sp-7);
  }
  .page-news .news-entry {
    padding-right: var(--sp-8);
  }
  .page-news .news-series > * {
    flex: 0 0 62%;
  }
}

@media (min-width: 900px) {
  .page-news .news-entries {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--sp-7);
  }
  .page-news .news-entry:hover {
    transform: translateX(4px);
  }
  .page-news .news-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-6);
  }
  .page-news .news-path__item {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--sp-3);
  }
  .page-news .news-rhythm__row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: var(--sp-6);
    align-items: baseline;
  }
  .page-news .news-hero__stats {
    gap: var(--sp-5);
  }
}

@media (min-width: 1024px) {
  .page-news .news-series {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-5);
    overflow: visible;
    margin: 0;
    padding: 0;
  }
  .page-news .news-series > * {
    flex: none;
    scroll-snap-align: none;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero__grid {
    row-gap: var(--sp-8);
  }
  .page-news .news-series__body {
    padding: var(--sp-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry,
  .page-news .news-series__card,
  .page-news .news-entry__arrow,
  .page-news .news-log summary {
    transition: none;
  }
  .page-news .news-entry:hover,
  .page-news .news-series__card:hover {
    transform: none;
  }
}