.page-news {
  --pn-line: rgba(30, 90, 122, .55);
  --pn-line-soft: rgba(30, 90, 122, .32);
  --pn-band: rgba(11, 37, 55, .62);
  --pn-gap: 20px;
  --pn-radius: 0;
}

@media (min-width: 900px) {
  .page-news {
    --pn-gap: 32px;
  }
}

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

/* ---------- 章节骨架 ---------- */

.page-news .nsec {
  position: relative;
  padding: 48px 0;
}

@media (min-width: 900px) {
  .page-news .nsec {
    padding: 72px 0;
  }
}

.page-news .nsec--alt {
  background:
    linear-gradient(180deg, rgba(11, 37, 55, .85) 0%, rgba(11, 37, 55, .35) 100%);
  border-top: 1px solid var(--pn-line-soft);
  border-bottom: 1px solid var(--pn-line-soft);
}

.page-news .nsec--close {
  padding-bottom: 64px;
}

.page-news .eyebrow {
  display: block;
  margin: 0 0 14px;
  color: var(--neon);
  letter-spacing: .1em;
}

.page-news .nsec-head {
  max-width: 62ch;
  margin-bottom: 36px;
}

.page-news .nsec-head .t-h2 {
  margin: 0 0 16px;
}

.page-news .nsec-head .t-body {
  margin: 0;
  color: var(--warm);
}

/* ---------- 首屏 ---------- */

.page-news .nhero {
  overflow: hidden;
  padding-top: 28px;
  padding-bottom: 56px;
}

@media (min-width: 900px) {
  .page-news .nhero {
    padding-top: 40px;
    padding-bottom: 88px;
  }
}

.page-news .nhero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -22%;
  width: 82%;
  height: 112%;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(148deg, rgba(47, 224, 208, .22) 0%, rgba(255, 107, 44, .16) 54%, rgba(6, 23, 38, 0) 82%);
  clip-path: polygon(24% 0, 100% 0, 100% 70%, 0 100%);
}

.page-news .nhero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    linear-gradient(rgba(30, 90, 122, .28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 90, 122, .28) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 88% at 76% 10%, #000 0%, transparent 70%);
  mask-image: radial-gradient(120% 88% at 76% 10%, #000 0%, transparent 70%);
}

.page-news .nhero .shell {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumbs {
  margin-bottom: 32px;
}

.page-news .nhero-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

@media (min-width: 960px) {
  .page-news .nhero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 56px;
  }
}

.page-news .nhero-copy .t-h1 {
  margin: 0 0 20px;
  max-width: 20ch;
}

.page-news .nhero-copy .t-lead {
  margin: 0 0 28px;
  max-width: 46ch;
  color: var(--warm);
}

.page-news .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin: 0 0 32px;
  padding: 18px 0 0;
  border-top: 1px solid var(--pn-line);
}

.page-news .hero-fact {
  min-width: 96px;
}

.page-news .hero-fact dt {
  margin-bottom: 6px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--warm);
}

.page-news .hero-fact dd {
  margin: 0;
  font-size: 20px;
  color: var(--signal-soft);
  letter-spacing: .02em;
}

.page-news .hero-fact dd span {
  font-size: 13px;
  color: var(--warm);
}

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

.page-news .nhero-cover {
  margin: 0;
  border-left: 2px solid var(--signal);
}

/* ---------- 本期速览列表 ---------- */

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

.page-news .feed-item {
  display: grid;
  gap: 10px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--pn-line);
  transition: background-color .18s ease;
}

.page-news .feed-item:nth-child(odd) {
  background: var(--pn-band);
}

.page-news .feed-item:hover,
.page-news .feed-item:focus-within {
  background: var(--ink-raise);
}

@media (min-width: 840px) {
  .page-news .feed-item {
    grid-template-columns: 88px minmax(0, 1.7fr) minmax(0, 1fr);
    column-gap: 28px;
    align-items: baseline;
    padding: 22px 20px;
  }
}

.page-news .feed-no {
  color: var(--warm);
  font-size: 13px;
}

.page-news .feed-title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--cold);
}

.page-news .feed-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .feed-impact {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm);
}

/* ---------- 四个常设专栏 ---------- */

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

.page-news .col {
  padding-top: 20px;
  border-top: 2px solid var(--neon);
}

.page-news .col-no {
  margin: 0 0 12px;
  color: var(--signal-soft);
  font-size: 13px;
}

.page-news .col .t-h3 {
  margin: 0 0 12px;
}

.page-news .col .t-body {
  margin: 0;
  color: var(--warm);
  font-size: 15px;
}

.page-news .col-freq {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pn-line-soft);
  color: var(--neon-soft);
  font-size: 13px;
}

/* ---------- 连载专题 ---------- */

.page-news .series-figure {
  margin: 0 0 20px;
}

.page-news .track-hint {
  margin: 0 0 14px;
  color: var(--warm);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-news .series-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--map-line) transparent;
}

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

.page-news .series-track::-webkit-scrollbar {
  height: 6px;
}

.page-news .series-track::-webkit-scrollbar-thumb {
  background: var(--map-line);
}

.page-news .series-card {
  flex: 0 0 82%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px;
  background: var(--ink-panel);
  border-left: 2px solid var(--map-line);
  scroll-snap-align: start;
}

@media (min-width: 700px) {
  .page-news .series-card {
    flex-basis: 288px;
  }
}

.page-news .series-no {
  margin: 0;
  color: var(--warm);
  font-size: 12px;
}

.page-news .series-name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cold);
}

.page-news .series-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--warm);
}

.page-news .dots {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: auto;
}

.page-news .dot {
  width: 7px;
  height: 7px;
  background: var(--ink-raise);
  border: 1px solid rgba(30, 90, 122, .7);
}

.page-news .dot--on {
  background: var(--neon);
  border-color: var(--neon);
}

.page-news .dot--latest {
  background: var(--signal);
  border-color: var(--signal);
}

.page-news .series-count {
  margin: 0;
  color: var(--neon-soft);
  font-size: 12px;
}

/* ---------- 订阅摘要 ---------- */

.page-news .sub-wrap {
  display: grid;
  gap: var(--pn-gap);
}

@media (min-width: 960px) {
  .page-news .sub-wrap {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }
}

.page-news .segmented-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--pn-line);
  border: 1px solid var(--pn-line);
}

.page-news .segmented-tab {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 12px 16px;
  border: 0;
  background: var(--ink-panel);
  color: var(--warm);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease;
}

.page-news .segmented-tab:hover {
  color: var(--cold);
  background: var(--ink-raise);
}

.page-news .segmented-tab[aria-selected="true"] {
  background: var(--ink-raise);
  color: var(--cold);
  box-shadow: inset 0 -2px 0 var(--signal);
}

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

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

.page-news .sub-panel {
  margin-top: 20px;
  padding: 24px 20px;
  background: var(--ink-panel);
  border-left: 2px solid var(--neon);
}

.page-news .sub-panel .t-h3 {
  margin: 0 0 12px;
}

.page-news .sub-panel .t-body {
  margin: 0 0 18px;
  color: var(--warm);
  font-size: 15px;
}

.page-news .sub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .sub-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cold);
}

.page-news .sub-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 2px;
  background: var(--signal);
}

.page-news .sub-figure {
  margin: 0;
}

.page-news .notice-strip {
  margin-top: var(--pn-gap);
  padding: 24px 20px;
  background: linear-gradient(120deg, rgba(18, 59, 84, .85), rgba(11, 37, 55, .5));
  border-top: 1px solid var(--pn-line);
  border-bottom: 1px solid var(--pn-line);
}

@media (min-width: 900px) {
  .page-news .notice-strip {
    padding: 28px 32px;
  }
}

.page-news .notice-strip .t-h3 {
  margin: 0 0 12px;
}

.page-news .notice-strip .t-body {
  margin: 0 0 14px;
  max-width: 68ch;
  color: var(--warm);
  font-size: 15px;
}

.page-news .notice-link {
  margin: 0;
  font-size: 14px;
  color: var(--warm);
}

/* ---------- 存档与检索 ---------- */

.page-news .arc-grid {
  display: grid;
  gap: 40px;
  align-items: start;
}

@media (min-width: 960px) {
  .page-news .arc-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 56px;
  }
}

.page-news .arc-copy .t-h2 {
  margin: 0 0 16px;
}

.page-news .arc-copy .t-body {
  margin: 0 0 28px;
  max-width: 56ch;
  color: var(--warm);
}

.page-news .arc-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  border-top: 1px solid var(--pn-line);
}

.page-news .arc-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pn-line);
}

.page-news .arc-no {
  color: var(--signal-soft);
  font-size: 14px;
}

.page-news .arc-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--cold);
}

.page-news .arc-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm);
}

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

.page-news .arc-figure {
  margin: 0;
  border-bottom: 2px solid var(--neon);
}

/* ---------- 结尾 ---------- */

.page-news .close-panel {
  padding: 32px 22px;
  background: linear-gradient(140deg, rgba(18, 59, 84, .9), rgba(6, 23, 38, .2) 78%);
  border-left: 3px solid var(--signal);
}

@media (min-width: 900px) {
  .page-news .close-panel {
    padding: 44px 40px;
  }
}

.page-news .close-panel .t-h2 {
  margin: 0 0 16px;
  max-width: 24ch;
}

.page-news .close-panel .t-lead {
  margin: 0 0 28px;
  max-width: 60ch;
  color: var(--warm);
}

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

.page-news .close-actions .btn {
  min-height: 44px;
}

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