.page-news {
  --news-gap: clamp(1rem, 2.4vw, 1.75rem);
  --news-radius: var(--rb-r-lg);
}

/* ================= 首屏 ================= */
.page-news .news-hero {
  position: relative;
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(2.5rem, 6vw, 5rem);
  overflow: hidden;
  border-bottom: 1px solid var(--rb-line);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(27, 22, 17, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 22, 17, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 88%);
}

.page-news .news-hero .rb-shell {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  grid-template-columns: 1fr;
}

.page-news .news-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.page-news .news-hero__title {
  margin: 0;
  font-family: var(--rb-font-sans);
  font-weight: 300;
  font-size: clamp(2.15rem, 7.2vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--rb-ink);
}

.page-news .news-hero__title br {
  display: none;
}

.page-news .news-hero__lede {
  max-width: 34ch;
  margin: 0;
  color: var(--rb-graphite);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

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

/* ================= 更新节奏 ================= */
.page-news .news-cadence {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--rb-paper);
}

.page-news .news-cadence__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  grid-template-columns: 1fr;
}

.page-news .news-cadence__head {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-news .news-cadence__title {
  margin: 0;
  font-weight: 300;
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--rb-ink);
}

.page-news .news-cadence__text {
  margin: 0;
  max-width: 46ch;
  color: var(--rb-graphite);
}

.page-news .news-cadence__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--news-gap);
  margin: 0;
}

.page-news .news-cadence__stat {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: clamp(0.9rem, 2.2vw, 1.35rem);
  border-radius: var(--rb-r-md);
  background: var(--rb-cream);
  border-left: 3px solid var(--rb-red);
}

.page-news .news-cadence__stat:nth-child(even) {
  border-left-color: var(--rb-navy);
}

.page-news .news-cadence__stat dt {
  font-family: var(--rb-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--rb-graphite);
}

.page-news .news-cadence__stat dd {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin: 0;
}

.page-news .news-cadence__unit {
  font-family: var(--rb-font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--rb-graphite);
}

.page-news .news-cadence__stat .rb-num {
  font-size: clamp(2rem, 6vw, 3.1rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

/* ================= 编辑部目录 ================= */
.page-news .news-index-sec {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--rb-line);
}

.page-news .news-index-sec__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  grid-template-columns: 1fr;
}

.page-news .news-index-sec__lead {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.page-news .news-index-sec__title {
  margin: 0;
  font-weight: 300;
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--rb-ink);
}

.page-news .news-index-sec__text {
  margin: 0;
  max-width: 40ch;
  color: var(--rb-graphite);
}

.page-news .news-index-sec__fig {
  margin: 0.5rem 0 0;
}

.page-news .news-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rb-line);
}

.page-news .news-index__item {
  display: flex;
  align-items: flex-start;
  gap: clamp(0.75rem, 2vw, 1.35rem);
  padding-block: clamp(0.85rem, 2.2vw, 1.15rem);
  border-bottom: 1px solid var(--rb-line);
  transition: background-color 0.18s ease, padding-left 0.18s ease;
}

.page-news .news-index__item:hover {
  background-color: rgba(53, 223, 207, 0.08);
  padding-left: 0.5rem;
}

.page-news .news-index__num {
  flex: 0 0 auto;
  min-width: 2.4ch;
  font-family: var(--rb-font-num);
  font-weight: 300;
  font-size: clamp(1.75rem, 5vw, 2.6rem);
  line-height: 1;
  color: var(--rb-orange);
  letter-spacing: -0.02em;
}

.page-news .news-index__body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.page-news .news-index__tag {
  align-self: flex-start;
  font-family: var(--rb-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--rb-navy);
}

.page-news .news-index__ttl {
  font-size: clamp(0.95rem, 2.2vw, 1.06rem);
  font-weight: 500;
  line-height: 1.55;
  color: var(--rb-ink);
}

.page-news .news-index__when {
  font-family: var(--rb-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--rb-graphite);
}

/* ================= 一期长文的样子 ================= */
.page-news .news-anatomy {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--rb-cream);
  border-top: 1px solid var(--rb-line);
  border-bottom: 1px solid var(--rb-line);
}

.page-news .news-anatomy__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .news-anatomy__title {
  margin: 0 0 0.6rem;
  font-weight: 300;
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--rb-ink);
}

.page-news .news-anatomy__intro {
  margin: 0;
  max-width: 42ch;
  color: var(--rb-graphite);
}

.page-news .news-anatomy__layout {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  grid-template-columns: 1fr;
}

.page-news .news-anatomy__stages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.page-news .news-anatomy__stage {
  position: relative;
  padding: clamp(1rem, 2.4vw, 1.35rem) clamp(1rem, 2.4vw, 1.5rem);
  border-radius: var(--rb-r-md);
  background: var(--rb-paper);
  border-left: 3px solid var(--rb-navy);
}

.page-news .news-anatomy__stage:nth-child(odd) {
  border-left-color: var(--rb-red);
}

.page-news .news-anatomy__no {
  display: block;
  font-family: var(--rb-font-num);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--rb-orange);
  margin-bottom: 0.25rem;
}

.page-news .news-anatomy__stage h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--rb-ink);
}

.page-news .news-anatomy__stage p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--rb-graphite);
}

.page-news .news-anatomy__data {
  padding: clamp(1.15rem, 2.8vw, 1.6rem);
}

.page-news .news-anatomy__data .rb-index {
  color: var(--rb-cyan);
}

.page-news .news-anatomy__datalist {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-news .news-anatomy__datalist li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--rb-line-inv);
  font-family: var(--rb-font-mono);
  font-size: 0.8rem;
  color: var(--rb-paper);
}

.page-news .news-anatomy__datalist li span:last-child {
  color: var(--rb-cyan);
  text-align: right;
}

.page-news .news-anatomy__shots {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

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

/* ================= 四条专题线 ================= */
.page-news .news-series {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .news-series__title {
  margin: 0 0 0.6rem;
  font-weight: 300;
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--rb-ink);
}

.page-news .news-series__intro {
  margin: 0;
  max-width: 46ch;
  color: var(--rb-graphite);
}

.page-news .news-series__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .news-series__card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: clamp(1.15rem, 2.8vw, 1.6rem);
}

.page-news .news-series__card h3 {
  margin: 0;
  font-size: clamp(1.05rem, 2.6vw, 1.25rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--rb-ink);
}

.page-news .news-series__card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--rb-graphite);
}

.page-news .news-series__meta {
  margin-top: auto;
  padding-top: 0.65rem;
  border-top: 1px solid var(--rb-line);
  font-family: var(--rb-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--rb-navy);
}

.page-news .news-series__fig {
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  max-width: 520px;
}

/* ================= 读起来更顺手 ================= */
.page-news .news-read {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--rb-paper);
  border-top: 1px solid var(--rb-line);
}

.page-news .news-read__title {
  margin: 0;
  font-weight: 300;
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--rb-ink);
}

.page-news .news-read__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .news-read__item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(1rem, 2.5vw, 1.4rem);
  border-radius: var(--rb-r-md);
  background: var(--rb-cream);
}

.page-news .news-read__no {
  font-family: var(--rb-font-num);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--rb-red);
}

.page-news .news-read__item h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--rb-ink);
}

.page-news .news-read__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--rb-graphite);
}

/* ================= 一起写 ================= */
.page-news .news-join {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .news-join__inner {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  grid-template-columns: 1fr;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border-radius: var(--news-radius);
  background: var(--rb-navy);
  color: var(--rb-paper);
}

.page-news .news-join__text {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-news .news-join__text .rb-index {
  color: var(--rb-cyan);
}

.page-news .news-join__title {
  margin: 0;
  font-weight: 300;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--rb-paper);
}

.page-news .news-join__text p {
  margin: 0;
  max-width: 54ch;
  font-size: 0.96rem;
  line-height: 1.75;
  color: rgba(255, 252, 246, 0.82);
}

.page-news .news-join__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-content: flex-start;
}

/* ================= 响应式 ================= */
@media (min-width: 640px) {
  .page-news .news-hero__title br {
    display: inline;
  }

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

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .page-news .news-cadence__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-news .news-index-sec__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .page-news .news-anatomy__layout {
    grid-template-columns: 1.35fr 0.65fr;
    align-items: start;
  }

  .page-news .news-anatomy__data {
    position: sticky;
    top: calc(var(--rb-header-h) + 1.5rem);
  }

  .page-news .news-join__inner {
    grid-template-columns: 1.4fr 0.6fr;
    align-items: center;
  }

  .page-news .news-join__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .page-news .news-series__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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