/* ============ 观察报告页 ============ */
.page-news {
  --news-hair: rgba(243, 239, 230, 0.14);
  --news-gap: clamp(26px, 4.5vw, 52px);
  background: var(--ink);
  color: var(--bone);
  overflow-x: clip;
}

.page-news .section {
  padding-block: var(--pad-section);
}

.page-news .section--tight {
  padding-block: clamp(34px, 5vw, 62px);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumbs {
  padding-block: clamp(14px, 2vw, 22px) 0;
}

/* ---------- 栏目刊头 ---------- */
.page-news .news-mast {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-news .news-mast__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.46;
  filter: saturate(0.92) contrast(1.1);
}

.page-news .news-mast::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(138, 92, 255, 0.18), transparent 58%),
    radial-gradient(110% 80% at 92% 78%, rgba(226, 84, 42, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(11, 43, 36, 0.62) 0%, rgba(11, 43, 36, 0.9) 58%, var(--ink) 100%);
}

.page-news .news-mast__inner {
  padding-block: clamp(52px, 10vw, 124px) clamp(36px, 6vw, 76px);
  max-width: 880px;
}

.page-news .news-mast__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--step-72);
  line-height: 1.04;
  letter-spacing: -0.012em;
}

.page-news .news-mast__sub {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: var(--step-20);
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.page-news .news-mast__lead {
  margin-top: 22px;
  max-width: 60ch;
  color: rgba(243, 239, 230, 0.86);
}

.page-news .news-mast__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-news .news-mast__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-news .news-mast__lab {
  display: block;
  margin-top: 8px;
  font-size: var(--step-13);
  color: var(--muted-dark);
}

/* ---------- 辑目刻度条 ---------- */
.page-news .news-index {
  background: var(--char);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(20px, 3vw, 32px);
}

.page-news .news-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  margin-bottom: 14px;
}

.page-news .news-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .news-index__hint {
  margin: 0;
  font-size: var(--step-13);
  color: var(--muted-dark);
}

.page-news .vol-strip {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0 10px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--rock) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-news .vol-strip__item {
  flex: 0 0 auto;
  scroll-snap-align: center;
  min-width: 46px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--step-13);
  color: var(--muted-dark);
  text-align: center;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .vol-strip__item.is-current {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-news .vol-strip__item.is-current .vol-strip__num {
  font-weight: 700;
}

/* ---------- 出版节奏 ---------- */
.page-news .news-cadence__grid {
  align-items: start;
}

.page-news .news-cadence__side {
  margin-top: 32px;
}

.page-news .news-cadence .prose p {
  max-width: 62ch;
}

.page-news .cadence-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.page-news .cadence-metrics .metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-news .cadence-metrics .metric__value {
  font-family: var(--font-mono);
  font-size: var(--step-28);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-news .cadence-metrics .metric__label {
  font-size: var(--step-13);
  color: var(--muted-dark);
}

/* ---------- 双城分栏 ---------- */
.page-news .city-split {
  display: grid;
  gap: clamp(34px, 6vw, 60px);
}

.page-news .city-col {
  position: relative;
  padding-top: 26px;
}

.page-news .city-col::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--line);
}

.page-news .city-col__rail {
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
}

.page-news .city-col--sh .city-col__rail {
  width: 74%;
  background: var(--violet);
}

.page-news .city-col--gz .city-col__rail {
  width: 58%;
  background: var(--kapok);
}

.page-news .city-col__tag {
  margin-bottom: 14px;
}

.page-news .city-col__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: var(--step-28);
  line-height: 1.25;
  letter-spacing: -0.005em;
}

.page-news .city-col__intro {
  margin: 0;
  font-size: var(--step-17);
  line-height: 1.85;
  color: rgba(243, 239, 230, 0.78);
}

.page-news .city-col__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  margin-top: 22px;
  border-radius: var(--radius-sm);
  filter: contrast(1.06) saturate(0.95);
}

.page-news .entry-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .entry {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-news .entry:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-news .entry__when {
  display: inline-block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  letter-spacing: 0.05em;
  color: var(--muted-dark);
}

.page-news .city-col--sh .entry__when {
  color: rgba(138, 92, 255, 0.92);
}

.page-news .city-col--gz .entry__when {
  color: rgba(226, 84, 42, 0.94);
}

.page-news .entry__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: var(--step-20);
  line-height: 1.4;
}

.page-news .entry__sum {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.75;
  color: var(--muted-dark);
}

/* ---------- 双城对照 ---------- */
.page-news .contrast-lead {
  max-width: 58ch;
  margin-top: 16px;
  color: rgba(243, 239, 230, 0.8);
}

.page-news .news-contrast .tabs {
  margin-top: clamp(24px, 3.5vw, 36px);
}

.page-news .contrast {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(243, 239, 230, 0.03);
  overflow: hidden;
}

.page-news .contrast__head {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: baseline;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 43, 36, 0.55);
}

.page-news .contrast__round {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .contrast__score {
  font-family: var(--font-mono);
  font-size: var(--step-13);
  color: var(--muted-dark);
}

.page-news .contrast__grid {
  display: grid;
  gap: 0;
}

.page-news .contrast__cell {
  padding: 22px 20px;
}

.page-news .contrast__cell--sh {
  border-top: 2px solid var(--violet);
}

.page-news .contrast__cell--gz {
  border-top: 2px solid var(--kapok);
}

.page-news .contrast__cell h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: var(--step-20);
  line-height: 1.4;
}

.page-news .contrast__cell p {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.9;
  color: rgba(243, 239, 230, 0.78);
}

.page-news .contrast--single {
  padding: 0;
}

.page-news .contrast--single .contrast__round {
  display: block;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}

.page-news .contrast--sh .contrast__round {
  box-shadow: inset 3px 0 0 var(--violet);
}

.page-news .contrast--gz .contrast__round {
  box-shadow: inset 3px 0 0 var(--kapok);
}

.page-news .contrast__body {
  margin: 0;
  padding: 20px;
  font-size: var(--step-15);
  line-height: 1.9;
  color: rgba(243, 239, 230, 0.82);
}

.page-news .contrast__bullets {
  margin: 0;
  padding: 0 20px 22px 38px;
  list-style: none;
}

.page-news .contrast__bullets li {
  position: relative;
  padding: 6px 0;
  font-size: var(--step-15);
  line-height: 1.7;
  color: var(--muted-dark);
}

.page-news .contrast__bullets li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 15px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 月度简报 ---------- */
.page-news .news-brief__grid {
  align-items: center;
}

.page-news .brief-media {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  margin-inline: auto;
}

.page-news .news-brief__body {
  margin-top: 34px;
}

.page-news .news-brief .prose p {
  max-width: 58ch;
}

.page-news .brief-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-news .brief-list__item {
  padding-left: 16px;
  border-left: 2px solid rgba(53, 240, 182, 0.42);
}

.page-news .brief-list__key {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .brief-list__item p {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.8;
  color: rgba(243, 239, 230, 0.78);
}

.page-news .news-brief .annotation {
  margin-top: 22px;
  font-size: var(--step-13);
  color: var(--muted-dark);
}

/* ---------- 更新目录（米白阅读区） ---------- */
.page-news .news-archive.section--bone {
  --line: rgba(17, 19, 18, 0.14);
  --muted-dark: #5C6360;
  background: var(--bone);
  color: var(--char);
}

.page-news .news-archive .section__kicker {
  color: #7A4A2C;
}

.page-news .news-archive .section__title {
  color: var(--char);
}

.page-news .news-archive__lead {
  max-width: 56ch;
  margin-top: 12px;
  color: #4B5450;
}

.page-news .entry-rows {
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .entry-row {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .entry-row__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.page-news .entry-row__time {
  font-family: var(--font-mono);
  font-size: var(--step-13);
  color: #5C6360;
}

.page-news .entry-row__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: var(--step-20);
  line-height: 1.42;
  color: var(--char);
}

.page-news .entry-row__sum {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.8;
  color: #4B5450;
}

.page-news .news-archive .tag {
  border-width: 1px;
  border-style: solid;
}

.page-news .archive-more {
  margin-top: 24px;
}

.page-news .archive-more__summary {
  display: inline-block;
  cursor: pointer;
  padding: 11px 20px;
  border: 1px solid rgba(17, 19, 18, 0.28);
  border-radius: 999px;
  font-size: var(--step-15);
  color: var(--char);
  list-style: none;
}

.page-news .archive-more__summary::-webkit-details-marker {
  display: none;
}

.page-news .archive-more__summary::after {
  content: " ↓";
  font-family: var(--font-mono);
}

.page-news .archive-more[open] .archive-more__summary::after {
  content: " ↑";
}

.page-news .entry-rows--more {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

/* ---------- 供稿与协作 ---------- */
.page-news .news-supply__inner {
  display: grid;
  gap: 26px;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(138, 92, 255, 0.14) 0%, rgba(11, 43, 36, 0) 46%),
    linear-gradient(300deg, rgba(226, 84, 42, 0.14) 0%, rgba(11, 43, 36, 0) 48%),
    rgba(243, 239, 230, 0.03);
}

.page-news .news-supply__text {
  max-width: 60ch;
  color: rgba(243, 239, 230, 0.8);
}

.page-news .news-supply__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .news-mast__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-news .contrast__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .contrast__cell--sh {
    border-top: 2px solid var(--violet);
    padding-right: 30px;
  }

  .page-news .contrast__cell--gz {
    border-top: 2px solid var(--kapok);
    border-left: 1px solid var(--line);
    padding-left: 30px;
  }

  .page-news .entry-row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-news .entry-row__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (min-width: 900px) {
  .page-news .city-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-cadence__side {
    margin-top: 6px;
  }

  .page-news .news-cadence__side.col-4 {
    margin-left: auto;
  }

  .page-news .news-brief__body {
    margin-top: 0;
  }

  .page-news .news-supply__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
  }

  .page-news .news-supply__actions {
    justify-content: flex-end;
    max-width: 320px;
  }
}

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

  .page-news .vol-strip {
    scroll-behavior: auto;
  }
}