.page-news {
  --news-border: rgba(42, 47, 90, 0.85);
  --news-soft: rgba(142, 147, 168, 0.28);
  --news-hair: rgba(42, 47, 90, 0.55);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(18px, 4vw, 36px) var(--gutter) clamp(56px, 9vw, 108px);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: clip;
}

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

.page-news a {
  color: var(--violet-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 121, 255, 0.35);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news a:hover {
  color: var(--green);
  border-bottom-color: rgba(53, 240, 160, 0.6);
}

.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3.4vw, 34px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .breadcrumb__sep {
  color: rgba(142, 147, 168, 0.45);
}

.page-news .breadcrumb a {
  border-bottom: none;
  color: var(--muted);
}

.page-news .breadcrumb a:hover {
  color: var(--green);
}

/* ---------- 首屏 ---------- */

.page-news .news-head__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-news .news-head__eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-news .news-head h1 {
  margin: 0;
  font-size: clamp(30px, 5.4vw, 62px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 20ch;
}

.page-news .news-head__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 44ch;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(245, 246, 250, 0.76);
}

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

.page-news .news-fact {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 2.2vw, 20px);
  background: linear-gradient(158deg, rgba(20, 11, 46, 0.96), rgba(7, 7, 12, 0.96));
}

.page-news .news-fact dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .news-fact dd {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
}

.page-news .news-fact__num {
  font-family: var(--mono);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--green);
}

.page-news .news-fact__unit {
  font-size: 13px;
  color: var(--muted);
}

.page-news .news-head__media {
  position: relative;
  margin: clamp(24px, 4vw, 46px) 0 0;
  border: 1px solid var(--news-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

.page-news .news-head__media img {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-news .news-head__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 46%;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 7, 12, 0) 0%, rgba(7, 7, 12, 0.84) 100%);
}

/* ---------- 标签筛选 ---------- */

.page-news .news-filter {
  position: sticky;
  top: 0;
  z-index: 12;
  margin: clamp(26px, 4vw, 46px) 0 clamp(14px, 2.4vw, 22px);
  padding-block: 12px;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink) 70%, rgba(7, 7, 12, 0) 100%);
}

.page-news .news-tabs {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-news .news-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--news-soft);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-news .news-tab:hover {
  color: var(--paper);
  border-color: rgba(165, 121, 255, 0.55);
}

.page-news .news-tab.is-active {
  color: var(--ink);
  background: var(--green);
  border-color: var(--green);
  font-weight: 600;
}

.page-news .news-tab__count {
  font-size: 11px;
  opacity: 0.7;
}

/* ---------- 条目流 ---------- */

.page-news .news-stream {
  display: grid;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-item {
  display: grid;
  gap: 12px;
  padding: clamp(22px, 3.2vw, 34px) 0;
  border-bottom: 1px solid var(--news-hair);
  position: relative;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(22px, 3.2vw, 34px);
  bottom: clamp(22px, 3.2vw, 34px);
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--violet), rgba(124, 59, 255, 0));
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

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

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-item__when {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: var(--muted);
}

.page-news .news-item__body > * + * {
  margin-top: 10px;
}

.page-news .news-item__title {
  margin: 0;
  font-size: clamp(19px, 2.1vw, 25px);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-item__excerpt {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(245, 246, 250, 0.78);
}

.page-news .news-item__media {
  margin: 14px 0 0;
  max-width: 520px;
  border: 1px solid var(--news-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink-2);
}

.page-news .news-item__media img {
  display: block;
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .news-item__media--diagram img {
  aspect-ratio: 3 / 2;
}

.page-news .news-item__more {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--violet);
}

.page-news .news-item__more summary {
  cursor: pointer;
  list-style: none;
  padding: 3px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--violet-soft);
  transition: color 0.2s var(--ease);
}

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

.page-news .news-item__more summary::before {
  content: "＋ ";
  color: var(--green);
}

.page-news .news-item__more[open] summary::before {
  content: "－ ";
}

.page-news .news-item__more summary:hover {
  color: var(--green);
}

.page-news .news-item__more p {
  margin: 10px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-item__link {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.page-news .news-item__link a {
  border-bottom: 1px solid rgba(53, 240, 160, 0.4);
  color: var(--green);
}

.page-news .news-item__link a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 标签 ---------- */

.page-news .stamp {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--news-border);
  border-radius: 999px;
  background: rgba(20, 11, 46, 0.9);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .stamp--league {
  color: var(--green);
  border-color: rgba(53, 240, 160, 0.42);
}

.page-news .stamp--version {
  color: var(--violet-soft);
  border-color: rgba(165, 121, 255, 0.42);
}

.page-news .stamp--intel {
  color: var(--amber);
  border-color: rgba(255, 176, 32, 0.4);
}

.page-news .stamp--topic {
  color: var(--paper);
  border-color: rgba(245, 246, 250, 0.28);
}

/* ---------- 章节头 ---------- */

.page-news .section-head {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-news .section-head__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.page-news .section-num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-news .section-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .section-title {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--paper);
}

/* ---------- 专题合集 ---------- */

.page-news .news-dossiers {
  margin-top: clamp(48px, 7vw, 92px);
  padding-top: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--news-hair);
}

.page-news .news-dossiers__intro {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(245, 246, 250, 0.74);
}

.page-news .news-dossiers__band {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--news-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

.page-news .news-dossiers__band img {
  display: block;
  width: 100%;
  aspect-ratio: 12 / 5;
  object-fit: cover;
}

.page-news .dossier-rail {
  display: flex;
  gap: clamp(14px, 2vw, 22px);
  overflow-x: auto;
  padding: 4px 4px 18px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--violet) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-news .dossier-rail::-webkit-scrollbar {
  height: 6px;
}

.page-news .dossier-rail::-webkit-scrollbar-thumb {
  background: var(--violet);
  border-radius: 999px;
}

.page-news .dossier-card {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--news-border);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(20, 11, 46, 0.98), rgba(7, 7, 12, 0.94));
}

.page-news .dossier-card__cat {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
}

.page-news .dossier-card__title {
  margin: 0;
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.36;
  color: var(--paper);
}

.page-news .dossier-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .dossier-card__stat {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--news-hair);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .dossier-card__stat span {
  font-size: 18px;
  font-weight: 600;
  color: var(--violet-soft);
  margin-right: 4px;
}

/* ---------- 订阅提醒 ---------- */

.page-news .news-subscribe {
  margin-top: clamp(46px, 7vw, 84px);
  padding: clamp(26px, 4vw, 48px);
  border: 1px solid var(--news-border);
  border-radius: calc(var(--radius) + 6px);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(124, 59, 255, 0.32), rgba(124, 59, 255, 0) 62%),
    radial-gradient(90% 130% at 0% 100%, rgba(53, 240, 160, 0.16), rgba(53, 240, 160, 0) 64%),
    var(--ink-2);
}

.page-news .news-subscribe__copy .section-title {
  margin-bottom: 12px;
}

.page-news .news-subscribe__lede {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(245, 246, 250, 0.76);
}

.page-news .sub-toggles {
  display: grid;
  gap: 10px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .sub-toggle {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 2px;
  align-items: center;
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--news-border);
  border-radius: var(--radius-sm);
  background: rgba(7, 7, 12, 0.55);
  color: var(--paper);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-news .sub-toggle:hover {
  border-color: rgba(165, 121, 255, 0.55);
}

.page-news .sub-toggle[aria-pressed="true"] {
  border-color: rgba(53, 240, 160, 0.6);
  background: rgba(53, 240, 160, 0.08);
}

.page-news .sub-toggle__mark {
  grid-row: 1 / span 2;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--news-soft);
  background: transparent;
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-news .sub-toggle[aria-pressed="true"] .sub-toggle__mark {
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(53, 240, 160, 0.14);
}

.page-news .sub-toggle__label {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.03em;
  font-weight: 600;
}

.page-news .sub-toggle__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .news-subscribe__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--news-hair);
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-news .news-head__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-news .news-item {
    grid-template-columns: minmax(150px, 196px) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-news .news-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 3px;
  }

  .page-news .news-item__when {
    font-size: 12px;
  }

  .page-news .dossier-rail {
    padding-bottom: 20px;
  }
}

@media (min-width: 960px) {
  .page-news .news-head__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
    align-items: end;
  }

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

  .page-news .news-subscribe {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 68px);
    align-items: start;
  }

  .page-news .news-subscribe__foot {
    grid-column: 1 / -1;
    margin-top: 0;
  }

  .page-news .sub-toggles {
    margin-top: 0;
    grid-template-columns: 1fr;
  }
}

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