.page-news {
  --news-line: 1px solid var(--bo-line);
  --news-gap: clamp(20px, 3vw, 40px);
  background: var(--bo-coal);
  color: var(--bo-white);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  padding-top: clamp(26px, 4.5vw, 52px);
  background:
    radial-gradient(120% 82% at 88% 0%, rgba(18, 53, 43, .95) 0%, rgba(14, 20, 18, 0) 62%),
    var(--bo-coal);
  border-bottom: var(--news-line);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-news .news-hero__text {
  min-width: 0;
}

.page-news .news-hero .bo-title--xl {
  font-size: clamp(1.95rem, 5.6vw, 3.6rem);
  line-height: 1.04;
  margin-top: 12px;
}

.page-news .news-hero .bo-lede {
  margin-top: 16px;
  max-width: 46ch;
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 1.85;
  color: var(--bo-muted);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 18px;
  border-top: var(--news-line);
  font-size: .84rem;
  color: var(--bo-muted);
}

.page-news .news-hero__stat .bo-num {
  color: var(--bo-lime);
  font-weight: 700;
  margin-right: 5px;
}

.page-news .news-hero__figure {
  margin: 0;
}

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

/* ============ 本季观察索引 ============ */
.page-news .news-index {
  border-bottom: var(--news-line);
}

.page-news .news-index__head {
  max-width: 58ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-news .news-index__head .bo-lede {
  margin-top: 14px;
  color: var(--bo-muted);
  line-height: 1.85;
}

.page-news .news-index__side {
  min-width: 0;
}

.page-news .news-scale {
  list-style: none;
  margin: 0;
  padding: 0 0 0 14px;
  border-left: 1px solid var(--bo-line);
}

.page-news .news-scale__item {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
  padding: 11px 0;
  font-size: .84rem;
  color: var(--bo-muted);
}

.page-news .news-scale__item::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  width: 9px;
  height: 1px;
  background: var(--bo-muted);
  transform: translateY(-50%);
}

.page-news .news-scale__idx {
  font-size: .78rem;
  color: var(--bo-orange);
  font-weight: 700;
}

.page-news .news-scale__label {
  letter-spacing: .02em;
}

.page-news .news-index__main {
  min-width: 0;
}

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

.page-news .news-index__card {
  position: relative;
  padding: 20px 0 20px 46px;
  border-top: var(--news-line);
}

.page-news .news-index__card:last-child {
  border-bottom: var(--news-line);
}

.page-news .news-index__num {
  position: absolute;
  left: 0;
  top: 22px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--bo-orange);
}

.page-news .news-index__name {
  margin: 0 0 7px;
  font-family: var(--bo-font-display);
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--bo-white);
}

.page-news .news-index__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--bo-muted);
}

.page-news .news-index__count {
  margin: 9px 0 0;
  font-family: var(--bo-font-mono);
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--bo-lime);
}

/* ============ 改版前后对比 ============ */
.page-news .news-compare {
  border-bottom: var(--news-line);
}

.page-news .news-compare .bo-lede {
  max-width: 62ch;
  margin-top: 14px;
  color: var(--bo-muted);
  line-height: 1.85;
}

.page-news .news-compare__figure {
  margin: clamp(26px, 4vw, 44px) 0;
}

.page-news .news-compare__pair {
  display: grid;
  gap: clamp(16px, 3vw, 30px);
}

.page-news .news-compare__col {
  padding: clamp(18px, 2.6vw, 28px);
  border: var(--news-line);
  background: rgba(242, 245, 243, .015);
}

.page-news .news-compare__col--after {
  border-color: rgba(255, 106, 43, .5);
  background: linear-gradient(180deg, rgba(255, 106, 43, .1), rgba(255, 106, 43, 0) 72%);
}

.page-news .news-compare__head {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: var(--news-line);
  font-family: var(--bo-font-display);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--bo-muted);
}

.page-news .news-compare__col--after .news-compare__head {
  color: var(--bo-orange);
  border-bottom-color: rgba(255, 106, 43, .4);
}

.page-news .news-compare__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-news .news-compare__item {
  position: relative;
  padding-left: 18px;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--bo-white);
}

.page-news .news-compare__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 9px;
  height: 1px;
  background: var(--bo-line);
}

.page-news .news-compare__col--after .news-compare__item::before {
  background: var(--bo-lime);
}

@media (min-width: 820px) {
  .page-news .news-compare__pair {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
}

/* ============ 栏目与节奏 ============ */
.page-news .news-rubric {
  border-bottom: var(--news-line);
}

.page-news .news-rubric .bo-lede {
  max-width: 60ch;
  margin-top: 14px;
  color: var(--bo-muted);
  line-height: 1.85;
}

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

.page-news .news-rubric__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-news .news-rubric__row {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-top: var(--news-line);
}

.page-news .news-rubric__row:last-child {
  border-bottom: var(--news-line);
}

.page-news .news-rubric__name {
  margin: 0;
  font-family: var(--bo-font-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--bo-white);
}

.page-news .news-rubric__role {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--bo-muted);
}

.page-news .news-rubric__freq {
  margin: 0;
  font-family: var(--bo-font-mono);
  font-size: .76rem;
  letter-spacing: .02em;
  color: var(--bo-lime);
}

.page-news .news-rubric__figure {
  margin: 0;
}

@media (min-width: 720px) {
  .page-news .news-rubric__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 8px 26px;
    align-items: start;
  }

  .page-news .news-rubric__freq {
    grid-column: 2;
  }
}

@media (min-width: 940px) {
  .page-news .news-rubric__layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }
}

/* ============ 近期专题 ============ */
.page-news .news-topics .bo-lede {
  max-width: 62ch;
  margin-top: 14px;
  color: var(--bo-muted);
  line-height: 1.85;
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  margin: clamp(24px, 3.4vw, 38px) 0 clamp(20px, 3vw, 30px);
}

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

.page-news .news-filter__chip {
  display: inline-block;
  padding: 7px 15px;
  border: 1px solid var(--bo-line);
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--bo-muted);
  cursor: pointer;
  background: transparent;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-news .news-filter__chip:hover {
  color: var(--bo-white);
  border-color: var(--bo-muted);
}

.page-news .news-filter__radio:checked + .news-filter__chip {
  background: var(--bo-orange);
  border-color: var(--bo-orange);
  color: var(--bo-coal);
  font-weight: 700;
}

.page-news .news-filter__radio:focus-visible + .news-filter__chip {
  outline: 2px solid var(--bo-lime);
  outline-offset: 2px;
}

.page-news:has(#nf-review:checked) .news-list .news-item:not(.news-item--review),
.page-news:has(#nf-version:checked) .news-list .news-item:not(.news-item--version),
.page-news:has(#nf-watch:checked) .news-list .news-item:not(.news-item--watch),
.page-news:has(#nf-data:checked) .news-list .news-item:not(.news-item--data) {
  display: none;
}

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

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 22px 0;
  border-top: var(--news-line);
}

.page-news .news-item:last-child {
  border-bottom: var(--news-line);
}

.page-news .news-item:focus-visible {
  outline: 2px solid var(--bo-lime);
  outline-offset: 4px;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.page-news .news-item__ribbon {
  display: inline-block;
  padding: 4px 12px 4px 9px;
  font-family: var(--bo-font-display);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--bo-coal);
  background: var(--bo-muted);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-news .news-item--review .news-item__ribbon {
  background: var(--bo-orange);
}

.page-news .news-item--version .news-item__ribbon {
  background: var(--bo-lime);
}

.page-news .news-item--watch .news-item__ribbon {
  background: var(--bo-amber);
}

.page-news .news-item--data .news-item__ribbon {
  background: var(--bo-red);
  color: var(--bo-white);
}

.page-news .news-item__stage {
  font-size: .74rem;
  letter-spacing: .02em;
  color: var(--bo-muted);
}

.page-news .news-item__body {
  min-width: 0;
}

.page-news .news-item__title {
  margin: 0 0 9px;
  font-size: clamp(1.02rem, 2.6vw, 1.22rem);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -.01em;
  color: var(--bo-white);
}

.page-news .news-item__excerpt {
  margin: 0;
  padding-left: 1em;
  text-indent: -1em;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--bo-muted);
}

.page-news .news-item__time {
  font-family: var(--bo-font-mono);
  font-size: .75rem;
  letter-spacing: .02em;
  color: var(--bo-lime);
  opacity: 1;
  transform: none;
  transition: opacity .22s ease, transform .22s ease;
}

.page-news .news-list .news-item:nth-child(6) {
  padding-bottom: 44px;
  border-bottom: var(--news-line);
}

@media (min-width: 640px) {
  .page-news .news-item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 8px 22px;
  }

  .page-news .news-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
  }
}

@media (min-width: 900px) {
  .page-news .news-item {
    grid-template-columns: 148px minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-news .news-item__time {
    grid-column: 3;
    grid-row: 1;
    align-self: center;
    padding-left: 20px;
    opacity: 0;
    transform: translateX(-12px);
  }

  .page-news .news-item:hover .news-item__time,
  .page-news .news-item:focus-within .news-item__time,
  .page-news .news-item:focus-visible .news-item__time {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============ 阅读顺序（暖纸色） ============ */
.page-news .news-use {
  color: var(--bo-coal);
}

.page-news .news-use .bo-kicker {
  color: var(--bo-ink);
}

.page-news .news-use .bo-title {
  color: var(--bo-coal);
}

.page-news .news-use .bo-lede {
  max-width: 56ch;
  margin-top: 14px;
  line-height: 1.85;
  color: #45524b;
}

.page-news .news-steps {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 clamp(26px, 4vw, 40px);
  padding: 0;
  border-top: 1px solid rgba(14, 20, 18, .18);
}

.page-news .news-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 5px 18px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(14, 20, 18, .18);
}

.page-news .news-step__num {
  grid-row: span 2;
  padding-top: 2px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bo-orange);
}

.page-news .news-step__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--bo-coal);
}

.page-news .news-step__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: #45524b;
}

.page-news .news-next {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 14px;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-news .news-use .bo-btn--ghost {
  border-color: rgba(14, 20, 18, .3);
  color: var(--bo-coal);
}

.page-news .news-use .bo-btn--ghost:hover {
  border-color: var(--bo-coal);
}

.page-news .news-next__hint {
  flex: 1 1 240px;
  margin: 0;
  font-size: .85rem;
  line-height: 1.75;
  color: #45524b;
}

.page-news .news-next__hint a {
  color: var(--bo-coal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-use__figure {
  margin: 0;
  border-color: rgba(14, 20, 18, .18);
}

@media (min-width: 640px) {
  .page-news .news-step {
    grid-template-columns: 56px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__time,
  .page-news .news-filter__chip {
    transition: none;
  }
}