.page-news {
  --news-num-w: 68px;
  --news-rail: 3px;
  --news-side-w: 190px;
  position: relative;
}

.page-news__crumb {
  padding-top: 26px;
  padding-bottom: 6px;
}

.page-news .breadcrumb {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--fg-dim);
}

.page-news .breadcrumb a {
  color: var(--data);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-news .breadcrumb span[aria-hidden] {
  color: var(--line);
  padding: 0 6px;
}

/* ---------- 横向主题带 ---------- */

.page-news .news-band {
  position: relative;
  margin-top: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--layer);
  overflow: hidden;
  isolation: isolate;
}

.page-news .news-band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.5) contrast(1.08);
  z-index: 0;
}

.page-news .news-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(104deg, rgba(6, 9, 15, 0.94) 0%, rgba(6, 9, 15, 0.74) 46%, rgba(13, 20, 32, 0.42) 100%),
    repeating-linear-gradient(90deg, rgba(34, 48, 68, 0.32) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-news .news-band__inner {
  position: relative;
  z-index: 2;
  padding-top: 62px;
  padding-bottom: 0;
}

.page-news .news-band__text .display {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.06;
  font-size: clamp(30px, 7.4vw, 60px);
  color: var(--fg);
  max-width: 17ch;
}

.page-news .news-band__text .lede {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fg-dim);
}

.page-news .news-band__metrics {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: rgba(6, 9, 15, 0.62);
  backdrop-filter: blur(2px);
}

.page-news .news-metric {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.page-news .news-metric__k {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

.page-news .news-metric__v {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-news .news-metric:nth-child(2) .news-metric__v {
  color: var(--amber);
}

/* ---------- 专题面板 ---------- */

.page-news .news-feature__grid {
  align-items: start;
}

.page-news .news-feature .prose {
  margin-top: 16px;
}

.page-news .news-feature__dots {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-feature__dots li {
  position: relative;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-dim);
  cursor: default;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-feature__dots li.is-done {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .news-feature__dots li.is-now {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(255, 178, 63, 0.1);
}

.page-news .news-feature__dots li:hover,
.page-news .news-feature__dots li:focus-visible {
  border-color: var(--cyan);
  color: var(--fg);
  background: rgba(47, 224, 210, 0.08);
  outline: none;
}

.page-news .news-feature__fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--layer);
}

.page-news .news-feature__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.62) contrast(1.06);
}

.page-news .news-feature__fig .figure__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--fg-dim);
}

/* ---------- 版本简报 ---------- */

.page-news .news-version__grid {
  align-items: start;
}

.page-news .news-version__fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--layer);
}

.page-news .news-version__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.08);
}

.page-news .news-version__fig .figure__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--fg-dim);
}

.page-news .news-vers {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-vers__item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-vers__ver {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--amber);
  padding-top: 2px;
}

.page-news .news-vers__t {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--fg);
}

.page-news .news-vers__d {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
}

/* ---------- 术语库更新 ---------- */

.page-news .news-gloss {
  border-left: 3px solid var(--cyan);
}

.page-news .news-gloss__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 20px;
}

.page-news .news-gloss__grid .prose {
  margin-top: 0;
}

.page-news .news-gloss__grid .prose + .prose {
  margin-top: 16px;
}

.page-news .news-gloss__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-gloss__list li {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--dur) var(--ease);
}

.page-news .news-gloss__list li:hover {
  background: rgba(22, 35, 58, 0.5);
}

.page-news .news-gloss__list .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--data);
}

.page-news .news-gloss__list span:nth-child(2) {
  font-size: 15px;
  color: var(--fg);
  min-width: 0;
}

.page-news .news-gloss__list .tag {
  font-style: normal;
}

/* ---------- 分类条目列表 ---------- */

.page-news .news-stream__wrap {
  padding-bottom: 40px;
}

.page-news .news-stream__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--line);
}

.page-news .news-stream__head .section-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.2;
  color: var(--fg);
}

.page-news .news-stream__note {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--fg-dim);
}

.page-news .news-stream {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: var(--news-num-w) minmax(0, 1fr);
  grid-template-areas:
    "num body"
    "num side";
  gap: 8px 18px;
  padding: 22px 18px 22px 16px;
  border-left: var(--news-rail) solid transparent;
  border-bottom: 1px solid var(--line);
  transition: border-left-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(47, 224, 210, 0.05);
  outline: none;
}

.page-news .news-item__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--data);
  padding-top: 3px;
}

.page-news .news-item__body {
  grid-area: body;
  min-width: 0;
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.55;
  color: var(--fg);
  letter-spacing: 0.01em;
}

.page-news .news-item__desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--fg-dim);
}

.page-news .news-item__side {
  grid-area: side;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fg-dim);
}

.page-news .news-stream__tick {
  display: block;
  height: 20px;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 26px);
  background-repeat: repeat-x;
  background-position: left center;
  background-size: 26px 10px;
  opacity: 0.9;
}

.page-news .news-stream__foot {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 68ch;
}

.page-news .news-stream__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 210, 0.4);
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-stream__foot a:hover,
.page-news .news-stream__foot a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ---------- 页尾收束 ---------- */

.page-news .news-tail {
  position: relative;
  margin-top: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
  background: var(--relay);
}

.page-news .news-tail__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.45) contrast(1.06);
  z-index: 0;
}

.page-news .news-tail::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(80deg, rgba(6, 9, 15, 0.92) 0%, rgba(6, 9, 15, 0.62) 60%, rgba(22, 35, 58, 0.45) 100%);
  pointer-events: none;
}

.page-news .news-tail__inner {
  position: relative;
  z-index: 2;
  padding-top: 56px;
  padding-bottom: 56px;
  display: grid;
  gap: 28px;
}

.page-news .news-tail__text .section-title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.3;
  color: var(--fg);
}

.page-news .news-tail__text .hint {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 52ch;
}

.page-news .news-tail__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

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

  .page-news .news-band__inner {
    padding-top: 84px;
  }

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

@media (min-width: 900px) {
  .page-news {
    --news-num-w: 84px;
  }

  .page-news .news-item {
    grid-template-columns: var(--news-num-w) minmax(0, 1fr) var(--news-side-w);
    grid-template-areas: "num .page-news side";
    align-items: start;
    padding: 24px 22px 24px 18px;
  }

  .page-news .news-item__side {
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    gap: 8px;
    padding-top: 2px;
  }

  .page-news .news-gloss__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 40px;
  }

  .page-news .news-vers__item {
    grid-template-columns: 74px minmax(0, 1fr);
  }
}

@media (max-width: 599px) {
  .page-news .news-band__text .display {
    max-width: none;
  }

  .page-news .news-feature__dots li {
    width: 32px;
    height: 32px;
  }

  .page-news .news-gloss__list li {
    grid-template-columns: 58px minmax(0, 1fr);
    row-gap: 8px;
  }

  .page-news .news-gloss__list .tag {
    grid-column: 2;
    justify-self: start;
  }

  .page-news .news-tail__acts .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-feature__dots li,
  .page-news .news-gloss__list li,
  .page-news .breadcrumb a {
    transition: none;
  }
}