.page-news {
  --news-cut: 18px;
  --news-cut-lg: 30px;
  --news-rule: 1px solid var(--line-soft);
  padding-bottom: clamp(48px, 8vw, 112px);
}

/* ---------- 引言 ---------- */

.page-news .news-intro {
  padding-top: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(26px, 4vw, 52px);
}

.page-news .news-intro-grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

@media (min-width: 920px) {
  .page-news .news-intro-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 5vw, 72px);
    align-items: end;
  }
}

.page-news .news-intro-title {
  margin: 14px 0 0;
  max-width: 17ch;
  letter-spacing: .05em;
}

.page-news .news-intro-main .lede {
  margin-top: 20px;
  max-width: 46ch;
}

.page-news .news-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-meta {
  background: var(--night);
  border-left: 2px solid var(--purple);
  padding: 20px 22px 8px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

@media (min-width: 920px) {
  .page-news .news-meta {
    margin-bottom: 12px;
  }
}

.page-news .news-meta dl {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-news .news-meta dl > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-meta dl > div:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-news .news-meta dt {
  font-size: var(--fs-13);
  letter-spacing: .14em;
  color: var(--muted);
}

.page-news .news-meta dd {
  margin: 0;
  font-size: var(--fs-15);
  font-weight: 600;
  color: var(--text);
}

/* ---------- 横向主题带 ---------- */

.page-news .news-band {
  position: relative;
  margin-top: clamp(14px, 2.5vw, 28px);
  background: var(--night);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    115deg,
    rgba(108, 61, 255, .12) 0 2px,
    transparent 2px 16px
  );
}

.page-news .news-band-inner {
  position: relative;
  z-index: 1;
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 64px) clamp(18px, 4.5vw, 64px);
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

@media (min-width: 880px) {
  .page-news .news-band-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
  }
}

.page-news .news-band-media {
  margin: 0;
}

.page-news .news-band-copy {
  min-width: 0;
}

.page-news .news-band-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-size: var(--fs-11);
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-news .news-band-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  flex: none;
}

.page-news .news-band-title {
  margin: 14px 0 0;
  color: var(--text);
}

.page-news .news-band-copy p {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-band-note {
  font-size: var(--fs-11);
  letter-spacing: .16em;
  color: var(--purple-soft) !important;
}

/* ---------- 本期重点大卡片 ---------- */

.page-news .news-feature {
  padding-top: clamp(40px, 6vw, 84px);
}

.page-news .news-feature-heading {
  font-size: var(--fs-24);
  margin: 10px 0 0;
  max-width: 30ch;
}

.page-news .news-feature-card {
  margin-top: clamp(20px, 3vw, 34px);
  display: grid;
  gap: 0;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--purple);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut-lg)), calc(100% - var(--news-cut-lg)) 100%, 0 100%);
}

@media (min-width: 820px) {
  .page-news .news-feature-card {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }
}

.page-news .news-feature-body {
  padding: clamp(24px, 4vw, 48px);
  min-width: 0;
}

.page-news .news-feature-title {
  margin: 16px 0 0;
  font-size: var(--fs-24);
  line-height: 1.35;
  letter-spacing: .03em;
  color: var(--text);
}

.page-news .news-feature-body p {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-feature-meta {
  font-size: var(--fs-11);
  letter-spacing: .16em;
  color: var(--cyan) !important;
}

.page-news .news-feature-body .btn {
  margin-top: 24px;
}

.page-news .news-feature-media {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  background: var(--night);
}

.page-news .news-feature-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 820px) {
  .page-news .news-feature-media {
    aspect-ratio: auto;
    min-height: 100%;
  }
}

/* ---------- 条目列表 ---------- */

.page-news .news-entries {
  padding-top: clamp(48px, 7vw, 96px);
  scroll-margin-top: 96px;
}

.page-news .news-entries-note {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-filter {
  margin-top: clamp(24px, 3.5vw, 42px);
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

@media (min-width: 900px) {
  .page-news .news-filter {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
  }
}

.page-news .news-tablist {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

@media (min-width: 900px) {
  .page-news .news-tablist {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 92px;
  }
}

.page-news .news-tab {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: auto;
  min-width: 168px;
  padding: 11px 14px;
  background: transparent;
  border: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: var(--fs-13);
  letter-spacing: .06em;
  text-align: left;
  cursor: pointer;
  transition: background-color .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}

@media (min-width: 900px) {
  .page-news .news-tab {
    width: 100%;
    min-width: 0;
    border: 0;
    border-left: 2px solid transparent;
    border-bottom: 1px solid var(--line-soft);
    padding: 14px 16px;
  }
}

.page-news .news-tab:hover {
  border-left-color: var(--purple-soft);
  color: var(--text);
}

.page-news .news-tab[aria-selected="true"] {
  border-left-color: var(--purple);
  background: rgba(108, 61, 255, .14);
  color: var(--text);
}

.page-news .news-tab:focus-visible {
  outline: 2px solid var(--purple-soft);
  outline-offset: 2px;
}

.page-news .news-tab-cat {
  font-size: var(--fs-11);
  letter-spacing: .18em;
  color: var(--purple-soft);
}

.page-news .news-tab-name {
  font-size: var(--fs-15);
  letter-spacing: .08em;
}

.page-news .news-tab-count {
  font-size: var(--fs-11);
  color: var(--muted);
}

.page-news .news-panel:focus-visible {
  outline: 2px solid var(--purple-soft);
  outline-offset: 4px;
}

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

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

.page-news .news-item {
  border-top: var(--news-rule);
}

.page-news .news-item:last-child {
  border-bottom: var(--news-rule);
}

.page-news .news-item summary {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
  padding: 20px 4px 20px 0;
  cursor: pointer;
  list-style: none;
  transition: background-color .25s var(--ease);
}

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

.page-news .news-item summary:hover {
  background: rgba(108, 61, 255, .07);
}

.page-news .news-item summary:focus-visible {
  outline: 2px solid var(--purple-soft);
  outline-offset: 2px;
}

.page-news .news-item summary::before {
  content: "";
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-right: 1.5px solid var(--purple-soft);
  border-bottom: 1.5px solid var(--purple-soft);
  transform: rotate(45deg);
  transition: transform .32s var(--ease);
}

.page-news .news-item[open] summary::before {
  transform: rotate(225deg);
  margin-top: 12px;
}

.page-news .news-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  min-width: 0;
}

.page-news .news-item-title {
  margin: 0;
  font-size: var(--fs-18);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: .03em;
  color: var(--text);
}

.page-news .news-item-time {
  font-size: var(--fs-11);
  letter-spacing: .14em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .news-item-body {
  margin: 0 0 22px 28px;
  max-width: 62ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--muted);
  border-left: 1px solid var(--line-soft);
  padding-left: 16px;
}

/* ---------- 专题带 ---------- */

.page-news .news-series {
  position: relative;
  margin-top: clamp(48px, 7vw, 104px);
  padding: clamp(36px, 5vw, 76px) 0;
  background: var(--night);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .news-series-bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
  opacity: .24;
}

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

.page-news .news-series::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(13, 16, 27, .62), rgba(13, 16, 27, .93));
}

.page-news .news-series-inner {
  position: relative;
  z-index: 2;
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 clamp(18px, 4.5vw, 64px);
}

.page-news .news-series-head {
  max-width: 58ch;
}

.page-news .news-series-title {
  margin: 12px 0 0;
  font-size: var(--fs-34);
  letter-spacing: .04em;
  color: var(--text);
}

.page-news .news-series-lede {
  margin: 14px 0 0;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-series-scroll {
  margin-top: clamp(22px, 3vw, 38px);
  display: flex;
  gap: clamp(14px, 2vw, 24px);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 2px 2px 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--purple) transparent;
}

.page-news .news-series-scroll:focus-visible {
  outline: 2px solid var(--purple-soft);
  outline-offset: 4px;
}

.page-news .news-series-card {
  flex: 0 0 min(78vw, 290px);
  scroll-snap-align: start;
  background: rgba(22, 26, 42, .86);
  border-top: 2px solid var(--purple);
  padding: 20px 20px 22px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-news .news-series-num {
  margin: 0;
  font-size: var(--fs-11);
  letter-spacing: .2em;
  color: var(--purple-soft);
}

.page-news .news-series-name {
  margin: 12px 0 0;
  font-size: var(--fs-18);
  letter-spacing: .05em;
  color: var(--text);
}

.page-news .news-series-card p {
  margin: 12px 0 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-series-cadence {
  font-size: var(--fs-11);
  letter-spacing: .16em;
  color: var(--cyan) !important;
}

/* ---------- 归档说明 ---------- */

.page-news .news-archive {
  padding-top: clamp(48px, 7vw, 96px);
}

.page-news .news-archive-grid {
  display: grid;
  gap: clamp(22px, 3vw, 48px);
}

@media (min-width: 860px) {
  .page-news .news-archive-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(32px, 5vw, 76px);
  }
}

.page-news .news-archive-media {
  margin: 0;
  max-width: 420px;
}

.page-news .news-archive-copy h2 {
  margin: 12px 0 0;
  font-size: var(--fs-24);
  line-height: 1.4;
  letter-spacing: .04em;
  max-width: 26ch;
  color: var(--text);
}

.page-news .news-archive-copy > p {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-archive-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .news-archive-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-archive-list li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-archive-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 9px;
  height: 2px;
  background: var(--purple);
}

.page-news .news-archive-actions {
  display: flex !important;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px !important;
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 480px) {
  .page-news .news-item-body {
    margin-left: 0;
    padding-left: 14px;
  }

  .page-news .news-item-title {
    font-size: var(--fs-15);
  }

  .page-news .news-series-title {
    font-size: var(--fs-24);
  }

  .page-news .news-feature-title {
    font-size: var(--fs-18);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-tab,
  .page-news .news-item summary,
  .page-news .news-item summary::before {
    transition: none;
  }
}