.page-news {
  --news-ink-invert: var(--dark-text);
  --news-measure: var(--measure);
}

.page-news .csg-progress {
  position: sticky;
  top: 0;
  z-index: 24;
  height: 2px;
  background: transparent;
}

.page-news .csg-progress__bar {
  display: block;
  height: 2px;
  background: var(--cyan);
}

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

.page-news .csg-media__inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 0;
  background: linear-gradient(168deg, var(--graphite) 0%, var(--night) 58%, var(--graphite) 100%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: 58%;
  height: 78%;
  background: var(--red-deep);
  opacity: 0.42;
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--red) 0 22px, transparent 22px 44px);
  opacity: 0.7;
  pointer-events: none;
}

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

.page-news .news-hero__eyebrow {
  margin-top: 14px;
}

.page-news .news-hero__title {
  margin: 12px 0 18px;
  font-size: clamp(38px, 8.6vw, 92px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.022em;
  color: var(--mist);
}

.page-news .news-hero__lead {
  max-width: 46em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__meta li {
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}

.page-news .news-hero__meta li:first-child {
  padding-left: 0;
  border-left: 0;
  color: var(--cyan);
}

.page-news .news-hero__media {
  position: relative;
  margin: 30px 0 0;
}

/* ---------- 主体两栏 ---------- */
.page-news .news-main {
  background: var(--mist);
  color: var(--news-ink-invert);
  padding: 44px 0 58px;
}

.page-news .news-main__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-news .news-rail .csg-label {
  color: var(--red-deep);
  letter-spacing: 0.14em;
}

.page-news .news-index {
  display: grid;
  gap: 2px;
  margin: 12px 0 20px;
}

.page-news .news-index .csg-index__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 9px 10px 9px 8px;
  border-left: 2px solid transparent;
  border-bottom: 1px solid rgba(14, 17, 22, 0.07);
  color: var(--dark-text);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .news-index .csg-index__item:hover,
.page-news .news-index .csg-index__item:focus-visible {
  background: rgba(14, 17, 22, 0.045);
  border-left-color: rgba(217, 30, 46, 0.6);
}

.page-news .news-index .csg-index__item.is-active {
  border-left-color: var(--red);
  background: rgba(217, 30, 46, 0.06);
  font-weight: 700;
}

.page-news .news-index .csg-index__num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--red);
}

.page-news .news-rail__note {
  padding: 14px 14px 12px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line-dark);
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.7;
  color: var(--dark-text-dim);
}

.page-news .news-rail__note p {
  margin: 0 0 8px;
}

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

.page-news .news-rail__note strong {
  color: var(--dark-text);
}

/* ---------- 本期专栏长文 ---------- */
.page-news .news-piece__head {
  padding-bottom: 6px;
}

.page-news .news-piece__head .csg-label {
  color: var(--red);
  letter-spacing: 0.14em;
}

.page-news .news-piece__title {
  margin: 10px 0 12px;
  font-size: clamp(26px, 5vw, 44px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.018em;
  color: var(--graphite);
}

.page-news .news-piece__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--dark-text-dim);
}

.page-news .news-seg {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
}

.page-news .news-seg:target {
  border-top-color: var(--cyan);
  background: linear-gradient(90deg, rgba(35, 224, 200, 0.14), rgba(35, 224, 200, 0) 62%);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-news .news-seg__h {
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.012em;
  color: var(--graphite);
}

.page-news .news-seg__body p {
  max-width: var(--news-measure);
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--dark-text);
}

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

.page-news .news-seg__body strong {
  color: var(--red-deep);
  font-weight: 700;
}

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

/* ---------- 时间轴打断 ---------- */
.page-news .news-timeline {
  position: relative;
  margin: 34px 0 8px;
  padding: 26px 20px 24px;
  background: var(--graphite);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-news .news-timeline__label {
  color: var(--cyan);
  letter-spacing: 0.16em;
}

.page-news .news-timeline__h {
  margin: 10px 0 10px;
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--mist);
}

.page-news .news-timeline__hint {
  max-width: 52em;
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-dim);
}

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

.page-news .news-timeline__track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 4px 0 8px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-tl__tick {
  flex: 0 0 auto;
  min-width: 132px;
  padding: 12px 14px 10px;
  border-left: 1px solid var(--steel);
  border-top: 2px solid transparent;
  text-decoration: none;
  color: var(--ink);
  scroll-snap-align: start;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .news-tl__tick:hover,
.page-news .news-tl__tick:focus-visible {
  border-top-color: var(--cyan);
  background: rgba(35, 224, 200, 0.07);
}

.page-news .news-tl__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-news .news-tl__seg {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink);
}

.page-news .news-tl__map {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

/* ---------- 数据切片 ---------- */
.page-news .news-slices {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
}

.page-news .news-slices__h {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.012em;
  color: var(--graphite);
}

.page-news .news-slices__intro {
  max-width: var(--news-measure);
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dark-text-dim);
}

.page-news .news-slices__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .news-slice {
  padding: 14px 14px 12px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line-dark);
  border-top: 1px solid var(--cyan);
  box-shadow: none;
}

.page-news .news-slice__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--graphite);
}

.page-news .news-slice__num small {
  margin-left: 2px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark-text-dim);
}

.page-news .news-slice__k {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--dark-text);
}

.page-news .news-slice__v {
  margin: 12px 0 0;
  padding-top: 8px;
  border-top: 1px dashed var(--line-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--dark-text-dim);
}

/* ---------- 专栏目录 ---------- */
.page-news .news-catalog {
  margin-top: 46px;
  padding-top: 26px;
  border-top: 2px solid var(--graphite);
}

.page-news .news-catalog__h {
  margin: 0 0 12px;
  font-size: clamp(24px, 4.4vw, 36px);
  font-weight: 900;
  letter-spacing: -0.018em;
  color: var(--graphite);
}

.page-news .news-catalog__intro {
  max-width: var(--news-measure);
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dark-text-dim);
}

.page-news .news-catalog__group {
  margin: 0 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
}

.page-news .news-catalog__list {
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.page-news .news-catalog__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(14, 17, 22, 0.07);
}

.page-news .news-catalog__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--graphite);
}

.page-news .news-catalog__name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--dark-text);
}

.page-news .news-catalog__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--dark-text-dim);
}

/* ---------- 切片说明 ---------- */
.page-news .news-method {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line-dark);
}

.page-news .news-method__h {
  margin: 0 0 22px;
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 900;
  letter-spacing: -0.018em;
  color: var(--graphite);
}

.page-news .news-method__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-news .news-method__figure {
  margin: 0;
  max-width: 320px;
}

.page-news .news-method__text {
  display: grid;
  gap: 16px;
}

.page-news .news-method__item {
  padding-left: 12px;
  border-left: 2px solid var(--red);
}

.page-news .news-method__item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--graphite);
}

.page-news .news-method__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--dark-text);
}

.page-news .news-method__item a {
  color: var(--red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 专题系列轨道 ---------- */
.page-news .news-series {
  padding: 50px 0;
  background: var(--night);
  color: var(--ink);
}

.page-news .news-series__label {
  color: var(--lime);
  letter-spacing: 0.16em;
}

.page-news .news-series__h {
  margin: 10px 0 10px;
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 900;
  letter-spacing: -0.018em;
  color: var(--mist);
}

.page-news .news-series__intro {
  max-width: 48em;
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-news .news-series__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 4px 0 14px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-series__card {
  flex: 0 0 78%;
  max-width: 340px;
  padding: 18px 18px 16px;
  background: rgba(14, 17, 22, 0.6);
  border: 1px solid var(--line);
  border-top: 1px solid var(--cyan);
  scroll-snap-align: start;
}

.page-news .news-series__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .news-series__card h3 {
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.012em;
  color: var(--mist);
}

.page-news .news-series__card p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-news .news-series__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--ink-faint) !important;
}

/* ---------- 首发轮换 ---------- */
.page-news .news-rotation {
  padding: 50px 0;
  background: var(--graphite);
  color: var(--ink);
}

.page-news .news-rotation__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-news .news-rotation__intro .csg-label {
  color: var(--cyan);
  letter-spacing: 0.16em;
}

.page-news .news-rotation__h {
  margin: 10px 0 14px;
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 900;
  letter-spacing: -0.018em;
  color: var(--mist);
}

.page-news .news-rotation__text {
  max-width: 34em;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-news .news-rotation__shift .csg-label {
  color: var(--ink-faint);
  letter-spacing: 0.12em;
}

.page-news .news-shift__half {
  margin-bottom: 22px;
}

.page-news .news-shift__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-shift__cell {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ink);
}

.page-news .news-shift__cell.is-in {
  border-color: var(--cyan);
  background: rgba(35, 224, 200, 0.1);
  color: var(--cyan);
}

.page-news .news-shift__cell.is-out {
  border-style: dashed;
  color: var(--ink-faint);
  text-decoration: line-through;
}

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

.page-news .news-shift__map li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-news .news-shift__map a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-shift__mp {
  display: inline-block;
  min-width: 86px;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--mist);
}

/* ---------- 投稿与授权 ---------- */
.page-news .news-submit {
  position: relative;
  overflow: hidden;
  padding: 50px 0 54px;
  background: linear-gradient(118deg, var(--red) 0%, var(--red-deep) 58%, var(--graphite) 100%);
  color: var(--mist);
}

.page-news .news-submit::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: repeating-linear-gradient(115deg, rgba(242, 244, 247, 0.08) 0 10px, transparent 10px 30px);
  pointer-events: none;
}

.page-news .news-submit__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-news .news-submit__label {
  color: var(--lime);
  letter-spacing: 0.16em;
}

.page-news .news-submit__h {
  margin: 10px 0 14px;
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 900;
  letter-spacing: -0.018em;
  color: var(--mist);
}

.page-news .news-submit__text p {
  max-width: 40em;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(242, 244, 247, 0.88);
}

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

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

.page-news .news-submit__actions .csg-btn--outline {
  border-color: rgba(242, 244, 247, 0.55);
  color: var(--mist);
}

.page-news .news-submit__actions .csg-btn--ghost {
  color: var(--mist);
}

/* ---------- 时间戳带 ---------- */
.page-news .csg-stamp-bar {
  background: var(--night);
  border-top: 1px solid var(--line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-slices__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-catalog__item {
    grid-template-columns: 52px minmax(0, 1fr);
  }

  .page-news .news-series__card {
    flex-basis: 300px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero {
    padding-top: 34px;
  }

  .page-news .news-main {
    padding: 56px 0 72px;
  }

  .page-news .news-main__grid {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 56px;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-news .news-slices__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-seg--split {
    display: grid;
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-news .news-seg--split .news-seg__h {
    grid-column: 1 / -1;
  }

  .page-news .news-seg--split .news-seg__figure {
    margin-bottom: 0;
  }

  .page-news .news-method__grid {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 34px;
  }

  .page-news .news-rotation__grid {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
    gap: 48px;
  }

  .page-news .news-submit__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }

  .page-news .news-submit__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 1280px) {
  .page-news .news-timeline {
    padding: 30px 28px 28px;
  }

  .page-news .news-series__card {
    flex-basis: 320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index .csg-index__item,
  .page-news .news-tl__tick {
    transition: none;
  }
}