.page-news {
  --rail-w: 272px;
  color: var(--text-100);
  padding-bottom: 56px;
}

/* 首屏框景 */
.page-news .news-hero {
  padding: 24px 0 8px;
}

.page-news .breadcrumb {
  margin-bottom: 18px;
}

.page-news .news-hero__frame {
  position: relative;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(255, 46, 138, 0.16), transparent 56%),
    radial-gradient(110% 120% at 100% 0%, rgba(47, 216, 255, 0.14), transparent 58%),
    var(--panel-850);
  padding: 24px 18px 26px;
}

.page-news .news-hero__frame::before,
.page-news .news-hero__frame::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--magenta);
  pointer-events: none;
}

.page-news .news-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-news .news-hero__frame::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
  border-color: var(--blue);
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(29px, 6.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  color: var(--text-100);
  text-shadow: 0 0 26px rgba(255, 46, 138, 0.24);
}

.page-news .news-hero__lead {
  font-family: var(--font-editorial);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-300);
  max-width: 62ch;
  margin: 0 0 20px;
}

.page-news .news-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

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

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

/* 主体双栏骨架 */
.page-news .news-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 28px;
}

.page-news .news-rail {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .news-main {
  min-width: 0;
}

/* 更新时间面板 */
.page-news .clock {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--panel-850);
  padding: 18px 16px 18px;
  overflow: hidden;
}

.page-news .clock::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--magenta), var(--blue));
}

.page-news .clock__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-300);
}

.page-news .clock__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
}

.page-news .clock__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 24px;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-news .clock__note {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-300);
}

.page-news .clock__rows {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  display: grid;
  gap: 8px;
}

.page-news .clock__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-news .clock__row dt {
  font-size: 12px;
  color: var(--text-300);
}

.page-news .clock__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
}

/* 左侧分类索引 */
.page-news .rail-index {
  border: 1px solid var(--line);
  background: var(--panel-850);
  padding: 14px 14px 16px;
}

.page-news .rail-index__title {
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-300);
}

.page-news .rail-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .rail-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 8px 8px 10px;
  font-size: 14px;
  color: var(--text-300);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .rail-index__k {
  font-size: 11px;
  color: var(--panel-700);
  filter: brightness(1.9);
}

.page-news .rail-index__link:hover,
.page-news .rail-index__link:focus-visible {
  color: var(--text-100);
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--blue);
}

.page-news .rail-index__link.is-active {
  color: var(--text-100);
  background: rgba(255, 46, 138, 0.12);
  border-left-color: var(--magenta);
}

.page-news .rail-index__link.is-active .rail-index__k {
  color: var(--magenta);
  filter: none;
}

.page-news .rail-cta {
  justify-content: center;
  text-align: center;
}

/* 更新列表 */
.page-news .news-updates__head {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-updates__head .lead {
  margin: 0 0 16px;
  max-width: 66ch;
}

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

.page-news .news-filter__chip {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-300);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  background: var(--panel-850);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-news .news-filter__chip:hover,
.page-news .news-filter__chip:focus-visible {
  color: var(--ink-900);
  background: var(--blue);
  border-color: var(--blue);
}

.page-news .news-group {
  margin-bottom: 34px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-news .news-group[data-accent="magenta"] { --acc: var(--magenta); }
.page-news .news-group[data-accent="blue"] { --acc: var(--blue); }
.page-news .news-group[data-accent="gold"] { --acc: var(--gold); }

.page-news .news-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--text-300);
}

.page-news .news-group__title::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--acc, var(--magenta));
}

/* 文章条目 */
.page-news .news-item {
  position: relative;
  padding: 20px 0 20px 14px;
  border-bottom: 1px dashed var(--line);
  transition: background-color 0.2s var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--acc, var(--magenta));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: rgba(255, 255, 255, 0.022);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.page-news .news-item__no {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--acc, var(--gold));
}

.page-news .news-item__when {
  font-size: 12px;
  color: var(--text-300);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-family: var(--font-editorial);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-100);
}

.page-news .news-item__lede {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-300);
  max-width: 68ch;
}

.page-news .news-item__note {
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.75;
  color: var(--text-300);
  opacity: 0.8;
  transition: opacity 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-item:hover .news-item__note,
.page-news .news-item:focus-within .news-item__note {
  opacity: 1;
  color: var(--text-100);
  border-left-color: var(--acc, var(--blue));
}

/* 列表内配图 */
.page-news .news-figure {
  margin: 20px 0 8px;
  border: 1px solid var(--line);
}

/* 统计发布节奏 */
.page-news .cadence {
  display: grid;
  gap: 18px;
  margin: 20px 0 24px;
  padding: 20px 16px;
  background: var(--mist-100);
  border: 1px solid var(--mist-300);
  color: var(--ink-900);
}

.page-news .cadence__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--panel-700);
}

.page-news .cadence__title {
  margin: 0 0 10px;
  font-family: var(--font-editorial);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-news .cadence__body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--panel-700);
}

.page-news .cadence__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-news .cadence__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-news .cadence__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--magenta);
}

.page-news .cadence__list .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .cadence__figure {
  margin: 0;
  border: 1px solid var(--mist-300);
  background: var(--panel-850);
}

/* 专题系列 */
.page-news .news-series {
  margin-bottom: 34px;
  padding-top: 8px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-news .news-series__head {
  margin-bottom: 20px;
}

.page-news .news-series__head .lead {
  margin: 0;
  max-width: 64ch;
}

.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .series-card {
  position: relative;
  padding: 18px 16px 16px;
  border: 1px solid var(--line-strong);
  background: var(--panel-850);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .series-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--magenta), var(--blue));
  opacity: 0.7;
}

.page-news .series-card:hover {
  transform: translateY(-3px);
  border-color: var(--blue);
}

.page-news .series-card__idx {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-news .series-card__title {
  margin: 0 0 8px;
  font-family: var(--font-editorial);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-100);
}

.page-news .series-card__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-300);
}

.page-news .news-figure--series {
  margin-top: 18px;
}

/* 回看入口 */
.page-news .news-start {
  scroll-margin-top: calc(var(--header-h) + 20px);
  padding: 22px 18px 24px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(47, 216, 255, 0.07), transparent 70%),
    var(--panel-850);
}

.page-news .news-start .section-title {
  margin-top: 0;
}

.page-news .news-start__lead {
  margin: 0 0 18px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-300);
}

.page-news .news-start__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.page-news .news-start__tip {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-300);
}

.page-news .news-inline-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 216, 255, 0.45);
}

.page-news .news-inline-link:hover,
.page-news .news-inline-link:focus-visible {
  color: var(--text-100);
  border-bottom-color: var(--cyan, var(--blue));
}

/* 断点 */
@media (min-width: 640px) {
  .page-news .news-hero__frame {
    padding: 32px 30px 34px;
  }

  .page-news .news-hero__lead {
    font-size: 17px;
  }

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

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

  .page-news .cadence {
    padding: 26px 24px;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-start {
    padding: 28px 26px 30px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding-top: 32px;
  }

  .page-news .news-shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 44px;
    padding-top: 36px;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-news .news-item {
    padding: 24px 0 24px 24px;
  }

  .page-news .cadence {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 28px;
  }

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

@media (min-width: 1100px) {
  .page-news .news-hero__frame {
    padding: 40px 44px 42px;
  }

  .page-news .news-item__title {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item::before,
  .page-news .news-item__note,
  .page-news .series-card,
  .page-news .rail-index__link,
  .page-news .news-filter__chip {
    transition: none;
  }

  .page-news .series-card:hover {
    transform: none;
  }
}

.page-news {
  --cyan: currentColor;
}