.page-news {
  position: relative;
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: .22;
}

.page-news > * {
  position: relative;
  z-index: 1;
}

.page-news .crumbs-wrap {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- 页头 ---------- */

.page-news .news-hero {
  padding-block: clamp(16px, 3vw, 34px) clamp(32px, 5vw, 62px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(22px, 3.6vw, 46px);
  align-items: start;
}

@media (min-width: 920px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

.page-news .news-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-news .news-hero__kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.page-news .news-hero h1 {
  margin: 0 0 18px;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(40px, 8.4vw, 78px);
  line-height: .96;
  letter-spacing: -.035em;
  color: var(--white);
}

.page-news .news-hero__lede {
  max-width: 60ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(233, 243, 238, .86);
}

.page-news .hero-facts {
  list-style: none;
  margin: 0 0 28px;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 11px;
}

.page-news .hero-facts li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(233, 243, 238, .9);
}

.page-news .hero-facts .idx {
  color: var(--lime);
}

.page-news .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-hero__fig {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-news .news-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-news .news-hero__fig figcaption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  line-height: 1.5;
  color: var(--cream);
  background: var(--veil);
  border-radius: var(--r-pill);
  padding: 8px 14px;
}

/* ---------- 列表主体 ---------- */

.page-news .feed-layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  padding-block: clamp(32px, 5vw, 62px);
}

@media (min-width: 1040px) {
  .page-news .feed-layout {
    grid-template-columns: minmax(0, 7.4fr) minmax(0, 4.6fr);
    align-items: start;
  }
}

.page-news .sec-head__kicker {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--lime);
}

/* 标签筛选 */
.page-news .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-news .filters__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-news .filters__pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(3, 21, 15, .5);
  color: var(--muted);
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .05em;
  cursor: pointer;
  user-select: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .filters__pill:hover {
  color: var(--white);
  border-color: rgba(228, 255, 76, .6);
}

.page-news .filters__radio:checked + .filters__pill {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-news .filters__radio:focus-visible + .filters__pill {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-news .feed:has(#flt-round:checked) .entry:not(.entry--round) { display: none; }
.page-news .feed:has(#flt-metric:checked) .entry:not(.entry--metric) { display: none; }
.page-news .feed:has(#flt-archive:checked) .entry:not(.entry--archive) { display: none; }
.page-news .feed:has(#flt-crowd:checked) .entry:not(.entry--crowd) { display: none; }

/* 文章列表 */
.page-news .feed__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 4px minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(3, 21, 15, .58);
  overflow: hidden;
  outline: none;
  transition: background .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
}

.page-news .entry:hover,
.page-news .entry:focus-within,
.page-news .entry:focus-visible {
  background: rgba(28, 58, 49, .46);
  border-color: rgba(228, 255, 76, .5);
  transform: translateY(-2px);
}

.page-news .entry:focus-visible {
  box-shadow: 0 0 0 2px var(--blue);
}

.page-news .entry__stripe {
  display: block;
  background: var(--line);
}

.page-news .entry--round .entry__stripe { background: var(--lime); }
.page-news .entry--metric .entry__stripe { background: var(--blue); }
.page-news .entry--archive .entry__stripe { background: var(--orange); }
.page-news .entry--crowd .entry__stripe { background: var(--muted); }

.page-news .entry--round .entry__spark { color: var(--lime); }
.page-news .entry--metric .entry__spark { color: var(--blue); }
.page-news .entry--archive .entry__spark { color: var(--orange); }
.page-news .entry--crowd .entry__spark { color: var(--muted); }

.page-news .entry__inner {
  padding: 15px 16px 17px;
  display: grid;
  gap: 7px;
}

.page-news .entry__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .entry__meta {
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .07em;
  color: var(--muted);
}

.page-news .entry__spark {
  flex: none;
  width: 58px;
  height: 24px;
  opacity: .85;
}

.page-news .entry__title {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 18.5px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--white);
}

.page-news .entry__scope {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: rgba(141, 168, 160, .95);
}

.page-news .entry__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s var(--ease);
}

.page-news .entry:hover .entry__body,
.page-news .entry:focus-within .entry__body,
.page-news .entry:focus-visible .entry__body {
  grid-template-rows: 1fr;
}

.page-news .entry__body > div {
  overflow: hidden;
}

.page-news .entry__body p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(233, 243, 238, .8);
}

.page-news .feed__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .feed__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 198, 255, .4);
}

.page-news .feed__note a:hover,
.page-news .feed__note a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 侧栏 ---------- */

.page-news .rail {
  display: grid;
  gap: 14px;
}

@media (min-width: 1040px) {
  .page-news .rail {
    position: sticky;
    top: calc(var(--cmd-h, 62px) + 18px);
  }
}

.page-news .rail-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(3, 21, 15, .6);
  padding: 20px;
}

.page-news .rail-card--cream {
  background: var(--cream);
  border-color: rgba(6, 35, 28, .14);
  color: var(--ink);
}

.page-news .rail-card__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-news .rail-card--cream .rail-card__title {
  color: #0b332a;
  border-bottom-color: rgba(6, 35, 28, .2);
}

.page-news .rail-card__lead {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(6, 35, 28, .78);
}

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

.page-news .rail-list a {
  display: block;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  font-size: 14px;
  line-height: 1.55;
  color: rgba(233, 243, 238, .92);
  text-decoration: none;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-news .rail-list a:hover,
.page-news .rail-list a:focus-visible {
  background: rgba(228, 255, 76, .12);
  color: var(--lime);
  outline: none;
}

.page-news .rail-card--cream .rail-list a {
  color: #0b332a;
}

.page-news .rail-card--cream .rail-list a:hover,
.page-news .rail-card--cream .rail-list a:focus-visible {
  background: rgba(6, 35, 28, .1);
  color: #03150f;
}

.page-news .rail-card__more {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: #0b332a;
  text-decoration: none;
  border-bottom: 1px solid rgba(6, 35, 28, .35);
}

.page-news .rail-card__more:hover,
.page-news .rail-card__more:focus-visible {
  border-bottom-color: #03150f;
  color: #03150f;
}

/* ---------- 通用区块头 ---------- */

.page-news .sec-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

@media (min-width: 860px) {
  .page-news .sec-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(20px, 3vw, 48px);
  }
}

.page-news .sec-head h2 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.08;
  letter-spacing: -.025em;
  color: var(--white);
}

.page-news .sec-head p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(233, 243, 238, .8);
}

/* ---------- 指标观察 ---------- */

.page-news .metrics {
  padding-block: clamp(32px, 5vw, 62px);
  border-top: 1px solid var(--line);
}

.page-news .metrics__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(238px, 1fr));
}

.page-news .metric {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(3, 21, 15, .52);
  scroll-margin-top: calc(var(--cmd-h, 62px) + 24px);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-news .metric:hover {
  border-color: rgba(51, 198, 255, .55);
  background: rgba(28, 58, 49, .42);
}

.page-news .metric__id {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--blue);
}

.page-news .metric h3 {
  margin: 9px 0 8px;
  font-size: 16.5px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--white);
}

.page-news .metric p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(233, 243, 238, .76);
}

/* ---------- 专题系列 ---------- */

.page-news .series {
  padding-block: clamp(32px, 5vw, 62px);
  border-top: 1px solid var(--line);
}

.page-news .series__inner {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

@media (min-width: 960px) {
  .page-news .series__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

.page-news .series__fig {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-news .series__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .series__fig figcaption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  background: var(--veil);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  line-height: 1.5;
  color: var(--cream);
}

.page-news .series__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.page-news .serie {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(3, 21, 15, .52);
  scroll-margin-top: calc(var(--cmd-h, 62px) + 24px);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-news .serie:hover {
  border-color: rgba(228, 255, 76, .5);
  background: rgba(28, 58, 49, .42);
}

.page-news .serie__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .serie__code {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-news .serie h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--white);
}

.page-news .serie__desc {
  margin: 0 0 12px;
  font-size: 13.8px;
  line-height: 1.7;
  color: rgba(233, 243, 238, .76);
}

.page-news .serie__items {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 8px;
}

.page-news .serie__items li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(233, 243, 238, .84);
}

.page-news .serie__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
}

/* ---------- 更新节奏 ---------- */

.page-news .rhythm {
  padding-block: clamp(32px, 5vw, 62px);
  border-top: 1px solid var(--line);
}

.page-news .rhythm__inner {
  display: grid;
  gap: clamp(20px, 3vw, 42px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-news .rhythm__inner {
    grid-template-columns: minmax(0, 6.2fr) minmax(0, 4.8fr);
    align-items: center;
  }
}

.page-news .rhythm h2 {
  margin: 0 0 14px;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.08;
  letter-spacing: -.025em;
}

.page-news .rhythm__lede {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(233, 243, 238, .82);
}

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

.page-news .step {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .step:first-child {
  border-top: 1px dashed var(--line);
}

.page-news .step__t {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--lime);
  padding-top: 2px;
}

.page-news .step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--white);
}

.page-news .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(233, 243, 238, .76);
}

.page-news .rhythm__fig {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-news .rhythm__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .rhythm__fig figcaption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  background: var(--veil);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  line-height: 1.5;
  color: var(--cream);
}

/* ---------- 订阅 / 投稿 / 纠错 ---------- */

.page-news .join {
  padding-block: clamp(32px, 5vw, 62px);
  border-top: 1px solid var(--line);
}

.page-news .join__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
}

.page-news .join-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(3, 21, 15, .55);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-news .join-card:hover {
  border-color: rgba(228, 255, 76, .5);
  background: rgba(28, 58, 49, .42);
}

.page-news .join-card--alert:hover {
  border-color: rgba(255, 122, 47, .6);
}

.page-news .join-card__code {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-news .join-card--alert .join-card__code {
  color: var(--orange);
}

.page-news .join-card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--white);
}

.page-news .join-card p {
  margin: 0;
  font-size: 14.2px;
  line-height: 1.75;
  color: rgba(233, 243, 238, .78);
}

.page-news .join-card .btn {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
  .page-news .entry:hover,
  .page-news .entry:focus-within,
  .page-news .entry:focus-visible {
    transform: none;
  }
}