.page-news {
  --news-line: rgba(11, 27, 51, .14);
  --news-line-soft: rgba(11, 27, 51, .07);
  --news-rail-top: 128px;
  background: var(--ab-mist);
}

/* ===== 首屏 ===== */
.page-news .news-hero {
  padding-top: clamp(20px, 3vw, 40px);
  padding-bottom: clamp(36px, 5vw, 68px);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: stretch;
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

.page-news .news-hero__text > * + * {
  margin-top: 18px;
}

.page-news .news-hero__title {
  margin: 0;
  max-width: 20ch;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--news-line);
}

.page-news .news-hero__meta span {
  position: relative;
  font-family: var(--ab-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ab-note);
}

.page-news .news-hero__meta span::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  background: var(--ab-blue);
  vertical-align: 1px;
}

.page-news .news-hero__meta span:nth-child(2)::before { background: var(--ab-amber); }
.page-news .news-hero__meta span:nth-child(3)::before { background: var(--ab-locust); }

.page-news .news-hero__visual {
  position: relative;
  min-height: 250px;
  padding: clamp(22px, 3vw, 38px);
  border: var(--ab-border);
  box-shadow: var(--ab-shadow-hover);
  overflow: hidden;
  color: var(--ab-mist);
  background:
    radial-gradient(130% 100% at 88% 0%, rgba(79, 163, 209, .40), transparent 58%),
    radial-gradient(110% 90% at 0% 100%, rgba(242, 179, 61, .26), transparent 56%),
    linear-gradient(158deg, #0B1B33 0%, #17325a 58%, #0B1B33 100%);
}

.page-news .news-hero__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(201, 216, 228, .13) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(201, 216, 228, .13) 0 1px, transparent 1px 28px);
}

.page-news .news-hero__vk,
.page-news .news-hero__vn,
.page-news .news-hero__vl,
.page-news .news-hero__ruler {
  position: relative;
}

.page-news .news-hero__vk {
  margin: 0;
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--ab-amber);
}

.page-news .news-hero__vn {
  margin: 12px 0 0;
  font-family: var(--ab-mono);
  font-weight: 700;
  font-size: clamp(76px, 13vw, 148px);
  line-height: .84;
  letter-spacing: -.05em;
  color: #fff;
}

.page-news .news-hero__vl {
  margin: 14px 0 0;
  max-width: 30ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ab-on-night);
}

.page-news .news-hero__ruler {
  margin-top: 24px;
  height: 12px;
  border-bottom: 2px solid rgba(201, 216, 228, .4);
  background-image: repeating-linear-gradient(90deg, rgba(201, 216, 228, .6) 0 2px, transparent 2px 15px);
}

/* ===== 轮次进度 ===== */
.page-news .news-round {
  background: var(--ab-night);
  color: var(--ab-mist);
  border-top: var(--ab-border);
  border-bottom: var(--ab-border);
}

.page-news .news-round .ab-h2 { color: #fff; }
.page-news .news-round .ab-lede { color: var(--ab-on-night); }

.page-news .ab-band {
  margin-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid rgba(201, 216, 228, .22);
  border-bottom: 1px solid rgba(201, 216, 228, .22);
}

.page-news .ab-band__track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 0 clamp(14px, 4vw, 48px);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .ab-band__track:focus-visible {
  outline: 3px solid var(--ab-amber);
  outline-offset: -3px;
}

.page-news .ab-band__item {
  flex: 0 0 auto;
  min-width: 94px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px 18px;
  border-right: 1px solid rgba(201, 216, 228, .18);
  scroll-snap-align: start;
}

.page-news .ab-band__value {
  font-family: var(--ab-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ab-mist);
}

.page-news .ab-band__label {
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ab-on-night);
}

.page-news .news-band__now {
  background: rgba(242, 179, 61, .16);
  box-shadow: inset 0 -3px 0 var(--ab-amber);
}

.page-news .news-band__now .ab-band__value { color: var(--ab-amber); }
.page-news .news-band__now .ab-band__label { color: var(--ab-amber); }

.page-news .news-round__fig {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border: 3px solid rgba(201, 216, 228, .5);
}

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

.page-news .news-round__fig .ab-figure__cap {
  margin: 0;
  padding: 12px 16px;
  background: rgba(11, 27, 51, .55);
  font-family: var(--ab-mono);
  font-size: 12.5px;
  color: var(--ab-on-night);
}

/* ===== 条目列表 ===== */
.page-news .news-feed {
  background: var(--ab-mist);
}

.page-news .news-feed__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

@media (min-width: 1024px) {
  .page-news .news-feed__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
  }
}

.page-news .ab-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
}

.page-news .ab-filter__btn {
  font-family: var(--ab-mono);
  font-size: 13px;
  letter-spacing: .04em;
  padding: 9px 16px;
  background: transparent;
  color: var(--ab-night);
  border: 2px solid var(--ab-night);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.page-news .ab-filter__btn:hover { background: var(--ab-ice); }

.page-news .ab-filter__btn:focus-visible {
  outline: 3px solid var(--ab-blue);
  outline-offset: 2px;
}

.page-news .ab-filter__btn[aria-pressed="true"] {
  background: var(--ab-amber);
  color: var(--ab-ink);
  box-shadow: 4px 4px 0 rgba(11, 27, 51, .22);
}

.page-news .news-feed__fig {
  margin: 0 0 30px;
  border: var(--ab-border);
  box-shadow: var(--ab-shadow);
  background: var(--ab-ice);
}

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

.page-news .news-feed__fig .ab-figure__cap {
  margin: 0;
  padding: 11px 14px;
  background: var(--ab-ice);
  font-family: var(--ab-mono);
  font-size: 12.5px;
  color: var(--ab-note);
  border-top: 3px solid var(--ab-night);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 3px solid var(--ab-night);
}

.page-news .news-item {
  display: grid;
  gap: 10px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--news-line);
  scroll-margin-top: 132px;
  transition: background 160ms ease;
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: rgba(79, 163, 209, .1);
}

@media (min-width: 720px) {
  .page-news .news-item {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

.page-news .news-item__time {
  display: inline-block;
  font-family: var(--ab-mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .06em;
  color: var(--ab-note);
  padding-left: 9px;
  border-left: 3px solid var(--ab-amber);
}

@media (min-width: 720px) {
  .page-news .news-item__time {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: .2em;
    padding-left: 0;
    padding-top: 9px;
    border-left: 0;
    border-top: 3px solid var(--ab-amber);
  }
}

.page-news .news-item__title {
  margin: 0;
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 900;
  letter-spacing: -.012em;
  line-height: 1.42;
  color: var(--ab-ink);
}

.page-news .news-item__text {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.72;
  color: #33445a;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 13px 0 0;
}

.page-news .news-item__read {
  font-family: var(--ab-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--ab-note);
}

/* ===== 右侧栏 ===== */
.page-news .news-rail {
  display: grid;
  gap: 20px;
}

@media (min-width: 1024px) {
  .page-news .news-rail {
    position: sticky;
    top: var(--news-rail-top);
  }
}

.page-news .news-rail .ab-index {
  position: static;
  display: block;
  width: 100%;
  padding: 20px;
  border: var(--ab-border);
  background: var(--ab-mist);
  box-shadow: var(--ab-shadow);
}

.page-news .news-rail .ab-index__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--news-line);
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ab-note);
}

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

.page-news .news-rail .ab-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--news-line-soft);
  font-size: 14.5px;
  color: var(--ab-ink);
  text-decoration: none;
  transition: color 160ms ease, padding-left 160ms ease;
}

.page-news .news-rail .ab-index__link:hover {
  color: var(--ab-blue);
  padding-left: 10px;
}

.page-news .news-rail .ab-index__link:focus-visible {
  outline: 3px solid var(--ab-blue);
  outline-offset: 2px;
}

.page-news .news-rail .ab-index__link[aria-current="true"] {
  color: var(--ab-locust);
  font-weight: 700;
}

.page-news .news-rail .ab-index__num {
  font-family: var(--ab-mono);
  font-size: 12px;
  color: var(--ab-note);
}

.page-news .news-rail__note {
  padding: 20px;
  border: var(--ab-border);
  border-top: 8px solid var(--ab-locust);
  background: var(--ab-mist);
  box-shadow: var(--ab-shadow);
}

.page-news .news-rail__noteTitle {
  margin: 0;
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ab-locust);
}

.page-news .news-rail__noteText {
  margin: 10px 0 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #33445a;
}

/* ===== 专题系列 ===== */
.page-news .news-series {
  background: var(--ab-ice);
}

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

@media (min-width: 900px) {
  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
  }
}

.page-news .news-series__fig {
  margin: 0;
  border: var(--ab-border);
  box-shadow: var(--ab-shadow);
  background: var(--ab-mist);
}

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

.page-news .news-series__fig .ab-figure__cap {
  margin: 0;
  padding: 11px 14px;
  background: var(--ab-mist);
  border-top: 3px solid var(--ab-night);
  font-family: var(--ab-mono);
  font-size: 12.5px;
  color: var(--ab-note);
}

.page-news .news-series__more {
  margin: 14px 0 0;
  font-family: var(--ab-mono);
  font-size: 13px;
}

.page-news .news-series__more a {
  color: var(--ab-blue);
  text-decoration: none;
  border-bottom: 2px solid rgba(79, 163, 209, .45);
  padding-bottom: 2px;
}

.page-news .news-series__more a:hover { border-bottom-color: var(--ab-blue); }

.page-news .news-series__more a:focus-visible {
  outline: 3px solid var(--ab-blue);
  outline-offset: 3px;
}

.page-news .news-series__cards {
  display: grid;
  gap: 18px;
}

@media (min-width: 900px) {
  .page-news .news-series__cards {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}

.page-news .news-series__card {
  border-left-width: 8px;
  border-left-color: var(--ab-locust);
}

.page-news .news-series__card--b { border-left-color: var(--ab-blue); }
.page-news .news-series__card--c { border-left-color: var(--ab-amber); }

.page-news .news-series__card .ab-card__title {
  font-size: clamp(19px, 1.8vw, 24px);
  letter-spacing: -.01em;
}

.page-news .news-series__card .ab-tag--link {
  text-decoration: none;
}

/* ===== 投稿与讨论 ===== */
.page-news .news-letters {
  background: var(--ab-mist);
}

.page-news .news-letters__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

@media (min-width: 900px) {
  .page-news .news-letters__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-news .news-letters__steps {
  list-style: none;
  counter-reset: nl;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-letters__steps li {
  counter-increment: nl;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  font-size: 15.5px;
  line-height: 1.7;
  color: #33445a;
}

.page-news .news-letters__steps li::before {
  content: counter(nl, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 34px;
  height: 26px;
  background: var(--ab-night);
  color: var(--ab-amber);
  font-family: var(--ab-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-news .news-letters__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-news .news-letters__fig {
  margin: 0;
  border: var(--ab-border);
  box-shadow: var(--ab-shadow);
  background: var(--ab-ice);
}

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

.page-news .news-letters__fig .ab-figure__cap {
  margin: 0;
  padding: 11px 14px;
  background: var(--ab-ice);
  border-top: 3px solid var(--ab-night);
  font-family: var(--ab-mono);
  font-size: 12.5px;
  color: var(--ab-note);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .ab-filter__btn,
  .page-news .news-rail .ab-index__link {
    transition: none;
  }
}