.page-news {
  background: var(--bh-paper);
  color: var(--bh-ink);
  overflow-x: hidden;
}

.page-news .news-masthead {
  margin-top: clamp(16px, 3vw, 28px);
  padding: clamp(18px, 3vw, 32px) 0 clamp(22px, 3.5vw, 40px);
  border-top: 3px solid var(--bh-ink);
  border-bottom: 1px solid var(--bh-line);
}

.page-news h2 {
  margin: 8px 0 0;
  font-family: var(--bh-sans);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--bh-ink);
}

.page-news h3 {
  margin: 0;
  font-family: var(--bh-sans);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.35;
  color: var(--bh-ink);
}

.page-news .news-masthead h1 {
  margin: 10px 0 0;
  max-width: 14em;
  font-family: var(--bh-sans);
  font-weight: 900;
  font-size: clamp(29px, 6.2vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.page-news .news-masthead__lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 44em;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.8;
}

.page-news .news-masthead__stats {
  display: flex;
  flex-wrap: wrap;
  margin: clamp(18px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--bh-line);
}

.page-news .news-masthead__stats > div {
  flex: 1 1 130px;
  padding: 14px 16px 0 0;
  border-right: 1px solid var(--bh-line);
}

.page-news .news-masthead__stats > div:last-child {
  border-right: 0;
}

.page-news .news-masthead__stats dt {
  font-family: var(--bh-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--bh-green);
}

.page-news .news-masthead__stats dd {
  margin: 4px 0 0;
  font-family: var(--bh-mono);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  color: var(--bh-ink);
}

/* 今日更新带 */
.page-news .news-pulse {
  margin-top: clamp(28px, 4.5vw, 56px);
  padding: clamp(28px, 4.5vw, 56px) 0;
  background:
    repeating-linear-gradient(90deg, rgba(255, 252, 244, 0.055) 0 1px, transparent 1px 88px),
    var(--bh-green-deep);
  color: var(--bh-cream);
}

.page-news .news-pulse__inner {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-news .news-pulse .bh-eyebrow {
  color: #9fd4b6;
}

.page-news .news-pulse h2 {
  color: var(--bh-cream);
}

.page-news .news-pulse__head > p:last-child {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 252, 244, 0.82);
}

.page-news .pulse {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .pulse__slot {
  padding: 18px 18px 20px;
  border: 1px solid rgba(255, 252, 244, 0.26);
  border-top: 3px solid var(--bh-orange);
  background: rgba(255, 252, 244, 0.05);
}

.page-news .pulse__slot--next {
  border-top-color: #9fd4b6;
}

.page-news .pulse__time {
  margin: 0 0 6px;
  font-family: var(--bh-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--bh-orange);
}

.page-news .pulse__slot--next .pulse__time {
  color: #9fd4b6;
}

.page-news .pulse__slot h3 {
  color: var(--bh-cream);
}

.page-news .pulse__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .pulse__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 252, 244, 0.86);
}

.page-news .pulse__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 1px;
  background: var(--bh-orange);
}

.page-news .news-pulse__figure {
  margin: clamp(22px, 3.5vw, 36px) 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 252, 244, 0.24);
}

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

.page-news .news-pulse__figure figcaption {
  margin-top: 10px;
  font-family: var(--bh-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255, 252, 244, 0.72);
}

/* 苹果端阅读路径 */
.page-news .news-path {
  padding: clamp(32px, 5vw, 64px) 0;
}

.page-news .news-path__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 44px);
}

.page-news .news-path__figure {
  margin: 0;
  border-left: 4px solid var(--bh-green);
  padding-left: 12px;
}

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

.page-news .news-path__caption {
  margin: 10px 0 0;
  font-family: var(--bh-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--bh-green);
}

.page-news .news-path__lede {
  margin: 12px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.8;
}

.page-news .path-steps {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .path-step {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 12px 16px 0;
  border-top: 1px solid var(--bh-line);
  transition: background 0.2s var(--bh-ease), padding-left 0.2s var(--bh-ease);
}

.page-news .path-step:hover,
.page-news .path-step:focus-within {
  background: var(--bh-cream);
  padding-left: 10px;
}

.page-news .path-step__num {
  font-family: var(--bh-mono);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  color: var(--bh-orange-deep);
}

.page-news .path-step h3 {
  grid-column: 2;
}

.page-news .path-step p {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bh-ink);
}

.page-news .news-path__note {
  margin: clamp(16px, 2.5vw, 22px) 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--bh-blue);
  background: var(--bh-blue-pale);
  font-size: 14px;
  line-height: 1.75;
}

.page-news .news-path__note a {
  color: var(--bh-blue);
  font-weight: 700;
  text-underline-offset: 3px;
}

/* 主题专栏与系列 */
.page-news .news-series {
  padding: clamp(28px, 4.5vw, 56px) 0 clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--bh-line);
}

.page-news .news-series__head > p:last-child {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
}

.page-news .series-grid {
  margin-top: clamp(20px, 3.2vw, 34px);
  display: grid;
  gap: 14px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  padding: 18px 18px 16px;
  background: var(--bh-cream);
  border: 1px solid var(--bh-line);
  border-top: 3px solid var(--bh-green);
}

.page-news .series-card--wide {
  border-top-color: var(--bh-blue);
}

.page-news .series-card__kicker {
  margin: 0 0 8px;
  font-family: var(--bh-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--bh-orange-deep);
}

.page-news .series-card p {
  font-size: 14px;
  line-height: 1.75;
}

.page-news .series-card > p:not(.series-card__kicker):not(.series-card__foot) {
  margin: 10px 0 0;
}

.page-news .series-card__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 14px 0 0;
  object-fit: cover;
}

.page-news .series-card__foot {
  margin: auto 0 0;
  padding-top: 14px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--bh-mono);
  font-size: 12px;
  color: var(--bh-green);
}

/* 最新资讯 */
.page-news .news-feed {
  padding: clamp(30px, 5vw, 60px) 0;
  background: var(--bh-paper);
  border-top: 1px solid var(--bh-line);
}

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

.page-news .feed-list {
  list-style: none;
  margin: clamp(16px, 2.5vw, 24px) 0 0;
  padding: 0;
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--bh-line);
}

.page-news .feed-item:last-child {
  border-bottom: 1px solid var(--bh-line);
}

.page-news .feed-item__num {
  font-family: var(--bh-mono);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--bh-orange-deep);
}

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

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

.page-news .feed-item__time {
  font-family: var(--bh-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--bh-green);
}

.page-news .feed-item__title {
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.4;
}

.page-news .feed-item__sum {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bh-ink);
}

.page-news .feed-item__more {
  margin-top: 10px;
}

.page-news .feed-item__more > summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-family: var(--bh-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--bh-orange-deep);
}

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

.page-news .feed-item__more > summary::before {
  content: "+";
  font-weight: 700;
}

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

.page-news .feed-item__more p {
  margin: 10px 0 0;
  padding: 12px 14px;
  background: var(--bh-cream);
  border-left: 3px solid var(--bh-green);
  font-size: 14px;
  line-height: 1.8;
}

.page-news .news-feed__aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-news .feed-index {
  border: 1px solid var(--bh-line);
  border-top: 3px solid var(--bh-ink);
  padding: 16px 16px 18px;
  background: var(--bh-cream);
}

.page-news .feed-index__title {
  font-size: 15px;
  letter-spacing: 0.02em;
}

.page-news .feed-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-news .feed-index__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--bh-line);
  font-size: 13px;
  line-height: 1.5;
}

.page-news .feed-index__n {
  font-family: var(--bh-mono);
  font-weight: 700;
  color: var(--bh-blue);
}

.page-news .feed-index__note {
  margin: 14px 0 0;
  font-family: var(--bh-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--bh-green);
}

.page-news .feed-figure {
  margin: 0;
}

.page-news .feed-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--bh-line);
}

.page-news .feed-figure figcaption {
  margin-top: 8px;
  font-family: var(--bh-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--bh-green);
}

/* 选题与更新 */
.page-news .news-desk {
  padding: clamp(28px, 4.5vw, 56px) 0;
  background: var(--bh-blue-pale);
}

.page-news .news-desk__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 42px);
}

.page-news .news-desk__intro > p:last-child {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
}

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

.page-news .desk-item {
  padding: 16px 0;
  border-top: 1px solid rgba(20, 35, 27, 0.22);
}

.page-news .desk-item:first-child {
  border-top: 3px solid var(--bh-ink);
  padding-top: 18px;
}

.page-news .desk-item__num {
  display: block;
  font-family: var(--bh-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--bh-orange-deep);
}

.page-news .desk-item h3 {
  margin-top: 6px;
}

.page-news .desk-item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
}

/* 继续阅读 */
.page-news .news-next {
  padding: clamp(30px, 5vw, 60px) 0 clamp(36px, 5.5vw, 72px);
}

.page-news .next-grid {
  margin-top: clamp(18px, 3vw, 30px);
  display: grid;
  gap: 12px;
}

.page-news .next-card {
  display: block;
  padding: 18px;
  background: var(--bh-cream);
  border: 1px solid var(--bh-line);
  border-left: 4px solid var(--bh-green);
  text-decoration: none;
  color: var(--bh-ink);
  transition: border-left-color 0.2s var(--bh-ease), background 0.2s var(--bh-ease);
}

.page-news .next-card:hover,
.page-news .next-card:focus-visible {
  border-left-color: var(--bh-orange);
  background: #fff;
}

.page-news .next-card__num {
  display: block;
  font-family: var(--bh-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--bh-blue);
}

.page-news .next-card h3 {
  margin-top: 6px;
}

.page-news .next-card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
}

.page-news .next-card__go {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--bh-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--bh-orange-deep);
}

@media (min-width: 640px) {
  .page-news .pulse {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .next-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 860px) {
  .page-news .news-pulse__inner {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: start;
  }

  .page-news .news-path__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-news .news-desk__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

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

  .page-news .series-card--wide {
    grid-column: span 2;
  }
}

@media (min-width: 1024px) {
  .page-news .news-feed__grid {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: start;
  }

  .page-news .news-feed__aside {
    position: sticky;
    top: 96px;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .series-card {
    grid-column: span 2;
  }

  .page-news .series-card--wide {
    grid-column: span 4;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    grid-template-rows: auto auto auto auto;
    column-gap: 18px;
    align-items: start;
  }

  .page-news .series-card--wide .series-card__kicker,
  .page-news .series-card--wide h3,
  .page-news .series-card--wide > p:not(.series-card__kicker):not(.series-card__foot) {
    grid-column: 1;
  }

  .page-news .series-card--wide .series-card__img {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin-top: 0;
    align-self: stretch;
    height: 100%;
    min-height: 180px;
  }

  .page-news .series-card--wide .series-card__foot {
    grid-column: 1 / -1;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .path-step,
  .page-news .next-card {
    transition: none;
  }
}