.page-news {
  --news-gap: clamp(16px, 3vw, 28px);
  --news-soft: rgba(220, 231, 245, .74);
  --news-faint: rgba(220, 231, 245, .52);
  position: relative;
  padding-top: clamp(84px, 14vw, 118px);
  padding-bottom: clamp(72px, 12vw, 128px);
  background: var(--ink-900);
  color: var(--mist);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-body);
  color: var(--paper);
  margin: 0;
}

.page-news .num,
.page-news .news-time,
.page-news .news-tabs-label,
.page-news .tl-label,
.page-news .news-metric-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-news .section {
  padding: clamp(36px, 6vw, 72px) 0;
}

/* --- 面包屑 --- */
.page-news .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  font-size: .8125rem;
  color: var(--stone);
}

.page-news .crumb-link {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .28s var(--ease), border-color .28s var(--ease);
}

.page-news .crumb-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .crumb-sep {
  color: var(--line-strong);
}

.page-news .crumb-current {
  color: var(--mist);
  font-weight: 600;
}

/* --- 首屏 --- */
.page-news .news-masthead {
  padding: clamp(16px, 3vw, 30px) 0 clamp(28px, 5vw, 56px);
}

.page-news .news-masthead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: end;
}

.page-news .news-masthead-copy .eyebrow {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news h1 {
  font-size: clamp(1.9rem, 7vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.01em;
  margin-bottom: .7em;
}

.page-news .news-masthead-copy .lede {
  max-width: 40ch;
  margin: 0 0 1.6rem;
  font-size: clamp(.9625rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: var(--news-soft);
}

.page-news .news-masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-news .news-window {
  position: relative;
  margin: 0;
  padding: clamp(10px, 1.5vw, 16px);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background:
    linear-gradient(158deg, rgba(34, 230, 200, .1), rgba(10, 26, 51, .35) 46%, rgba(255, 122, 47, .09));
}

.page-news .news-window::before,
.page-news .news-window::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid var(--cyan);
  opacity: .8;
}

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

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

.page-news .news-window img {
  width: 100%;
  border-radius: 2px;
  aspect-ratio: 1400 / 560;
  object-fit: cover;
}

.page-news .news-window .media-caption {
  margin: .75rem 0 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--stone);
}

/* --- 分类标签带 --- */
.page-news .news-tabs {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(5, 14, 31, .93);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.page-news .news-tabs-inner {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-tabs-inner::-webkit-scrollbar {
  display: none;
}

.page-news .news-tabs-label {
  flex: 0 0 auto;
  margin-right: .35rem;
  font-size: .6875rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-news .news-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: .44rem .9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: .8125rem;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  transition: color .28s var(--ease), border-color .28s var(--ease), background-color .28s var(--ease);
}

.page-news .news-tab:hover,
.page-news .news-tab[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(34, 230, 200, .08);
}

/* --- 章头 --- */
.page-news .news-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-news .news-head .eyebrow {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-news h2 {
  font-size: clamp(1.45rem, 4.4vw, 2.35rem);
  font-weight: 800;
  line-height: 1.22;
  margin-bottom: .7rem;
}

.page-news .news-sub {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--news-soft);
}

/* --- 条目列表 --- */
.page-news .news-feed {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .news-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-radius: 3px;
  background: linear-gradient(178deg, rgba(18, 42, 77, .6), rgba(5, 14, 31, .35));
  transition: border-color .3s var(--ease);
}

.page-news .news-item::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(118deg, transparent 32%, rgba(34, 230, 200, .16) 50%, transparent 68%);
  transition: opacity .34s var(--ease);
}

.page-news .news-item:hover {
  border-color: var(--cyan);
}

.page-news .news-item:hover::after {
  opacity: 1;
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: .24rem .55rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--stone);
  white-space: nowrap;
}

.page-news .news-tag--fore {
  color: var(--orange);
  border-color: rgba(255, 122, 47, .5);
  background: rgba(255, 122, 47, .08);
}

.page-news .news-tag--review {
  color: var(--moss-soft);
  border-color: rgba(159, 190, 156, .45);
  background: rgba(92, 122, 90, .14);
}

.page-news .news-tag--data {
  color: var(--cyan);
  border-color: rgba(34, 230, 200, .45);
  background: rgba(34, 230, 200, .08);
}

.page-news .news-tag--log {
  color: var(--signal);
  border-color: rgba(255, 209, 102, .45);
  background: rgba(255, 209, 102, .08);
}

.page-news .news-time {
  font-size: .6875rem;
  letter-spacing: .04em;
  color: var(--stone);
}

.page-news .news-item h3 {
  font-size: clamp(1.02rem, 2.2vw, 1.28rem);
  font-weight: 700;
  line-height: 1.45;
}

.page-news .news-item p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--news-soft);
}

.page-news .news-item--narrow h3 {
  font-size: 1rem;
}

.page-news .news-item--narrow p {
  font-size: .875rem;
}

/* --- 轮次节奏 --- */
.page-news .news-round-figure {
  margin: 0 0 clamp(22px, 3.6vw, 40px);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink-800);
}

.page-news .news-round-figure img {
  width: 100%;
  aspect-ratio: 1200 / 480;
  object-fit: cover;
}

.page-news .news-timeline {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(228px, 1fr);
  gap: 0;
  margin: 0;
  padding: 0 0 .6rem;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}

.page-news .news-timeline .tl-item {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2.1rem clamp(16px, 2.4vw, 24px) 1.4rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 42, 77, .52), rgba(5, 14, 31, 0));
  scroll-snap-align: start;
}

.page-news .news-timeline .tl-item::before {
  content: "";
  position: absolute;
  top: -5px;
  left: clamp(16px, 2.4vw, 24px);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--stone);
}

.page-news .news-timeline .tl-item--done::before {
  background: var(--moss-soft);
  box-shadow: 0 0 0 4px rgba(92, 122, 90, .22);
}

.page-news .news-timeline .tl-item--next::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, .22);
}

.page-news .news-timeline .tl-item--next {
  border-top-color: var(--orange);
}

.page-news .news-timeline .tl-item--done {
  border-top-color: rgba(159, 190, 156, .45);
}

.page-news .news-timeline .tl-label {
  display: block;
  margin-bottom: .45rem;
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--stone);
}

.page-news .news-timeline .tl-title {
  display: block;
  margin-bottom: .5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-news .news-timeline .tl-text {
  display: block;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--news-faint);
}

/* --- 专题系列 --- */
.page-news .news-series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .news-series {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color .3s var(--ease);
}

.page-news .news-series:hover {
  border-color: var(--line-strong);
}

.page-news .news-series--lead {
  padding: 0;
  gap: 0;
}

.page-news .news-series-media {
  position: relative;
  background: var(--ink-700);
}

.page-news .news-series-media img {
  width: 100%;
  aspect-ratio: 1000 / 640;
  object-fit: cover;
}

.page-news .news-series-body {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: clamp(20px, 3vw, 30px);
}

.page-news .news-series h3 {
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  font-weight: 700;
  line-height: 1.4;
}

.page-news .news-series p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--news-soft);
}

.page-news .news-series .news-tag {
  align-self: flex-start;
}

/* --- 更新频率 --- */
.page-news .news-rhythm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}

.page-news .news-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.page-news .news-metric {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--ink-800);
}

.page-news .news-metric-num {
  font-size: clamp(1.5rem, 4.4vw, 2.15rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-news .news-metric-label {
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-news .news-note-col h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: .9rem;
}

.page-news .news-note-col p {
  margin: 0 0 .9rem;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--news-soft);
}

.page-news .news-note-col p:last-child {
  margin-bottom: 0;
}

.page-news .news-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 200, .45);
  transition: border-color .28s var(--ease);
}

.page-news .news-inline-link:hover {
  border-bottom-color: var(--cyan);
}

/* --- 手机端浏览 --- */
.page-news .news-mobile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-news .news-mobile-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: clamp(10px, 1.6vw, 16px);
  background: linear-gradient(200deg, rgba(34, 230, 200, .08), rgba(5, 14, 31, .5));
}

.page-news .news-mobile-figure img {
  width: 100%;
  border-radius: 2px;
}

.page-news .news-mobile-copy .eyebrow {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-news .news-mobile-copy h2 {
  margin-bottom: .8rem;
}

.page-news .news-mobile-copy > p {
  margin: 0 0 1.4rem;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--news-soft);
}

.page-news .news-mobile-list {
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-mobile-list li {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-mobile-key {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .news-mobile-val {
  font-size: .875rem;
  line-height: 1.7;
  color: var(--news-soft);
}

/* --- 收尾 --- */
.page-news .news-cta {
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-news .news-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background:
    linear-gradient(140deg, rgba(34, 230, 200, .1), rgba(5, 14, 31, .6) 52%, rgba(255, 122, 47, .1));
}

.page-news .news-cta-copy h2 {
  margin-bottom: .6rem;
}

.page-news .news-cta-copy p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--news-soft);
}

.page-news .news-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* --- 平板及以上 --- */
@media (min-width: 760px) {
  .page-news .news-feed {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .news-item--wide {
    grid-column: span 4;
  }

  .page-news .news-item--narrow {
    grid-column: span 2;
  }

  .page-news .news-item--half {
    grid-column: span 3;
  }

  .page-news .news-item--offset {
    margin-top: clamp(20px, 4vw, 52px);
  }

  .page-news .news-series-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .news-series--lead {
    grid-column: span 7;
  }

  .page-news .news-series--side {
    grid-column: span 5;
  }

  .page-news .news-series--half {
    grid-column: span 6;
  }

  .page-news .news-rhythm-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .news-mobile-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .news-mobile-list li {
    flex-direction: row;
    gap: 1.2rem;
    align-items: baseline;
  }

  .page-news .news-mobile-key {
    flex: 0 0 8.5rem;
  }

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

/* --- 桌面端 --- */
@media (min-width: 1024px) {
  .page-news .news-masthead-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .news-tabs {
    top: 6px;
  }

  .page-news .news-timeline {
    grid-auto-columns: minmax(0, 1fr);
    overflow-x: visible;
  }

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

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

  .page-news .news-item::after {
    display: none;
  }
}