/* ============ 内容观察 / insights ============ */
.page-news {
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-sans);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-lead {
  padding: 24px 0 0;
}

.page-news .news-lead__frame {
  position: relative;
  margin-top: 20px;
  padding: 34px 22px 28px;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-m);
  overflow: hidden;
  background:
    radial-gradient(115% 85% at 100% 0%, rgba(14, 124, 102, 0.36), transparent 58%),
    linear-gradient(158deg, var(--hull) 0%, var(--abyss) 74%);
  color: var(--text-on-dark);
}

.page-news .news-lead__frame::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  width: 34px;
  height: 34px;
  border-top: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
}

.page-news .news-lead__frame::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 34px;
  height: 34px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
}

.page-news .news-lead__ticks {
  height: 6px;
  margin-bottom: 24px;
  background-image: repeating-linear-gradient(90deg, var(--line-gold) 0 1px, transparent 1px 28px);
}

.page-news .news-lead__frame .eyebrow {
  color: var(--gold-lite);
  margin: 0;
}

.page-news .news-lead__frame h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  color: var(--white);
  font-size: 26px;
  line-height: 1.34;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-news .news-lead__intro {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-on-dark);
}

.page-news .news-lead__stats {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line-light);
}

.page-news .news-stat dt {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-on-dark-dim);
}

.page-news .news-stat dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--gold-lite);
}

/* ---------- 章节标题通用 ---------- */
.page-news .news-hed {
  max-width: 62ch;
  margin-bottom: 32px;
}

.page-news .news-hed h2 {
  margin: 10px 0 0;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--abyss);
}

.page-news .news-hed__text {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--grey);
}

/* ---------- 四条系列 ---------- */
.page-news .news-series__figure {
  margin: 0 0 34px;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: linear-gradient(140deg, var(--shallow), var(--white) 62%);
}

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

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

.page-news .series-card {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 22px 0 22px 0;
  border-top: 1px solid var(--line-gold);
}

.page-news .series-card:last-child {
  border-bottom: 1px solid var(--line-gold);
}

.page-news .series-card__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-news .series-card__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--abyss);
}

.page-news .series-card__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.page-news .series-card__foot {
  margin: 2px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--emerald);
}

/* ---------- 左索引 + 右条目流 ---------- */
.page-news .news-body {
  display: grid;
  gap: 32px;
}

.page-news .news-rail__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-news .news-rail__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-rail__link {
  display: inline-block;
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--line-gold);
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--hull);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  border-color: var(--coral);
  color: var(--emerald);
}

.page-news .news-stream__figure {
  margin: 0 0 32px;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--white);
}

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

.page-news .news-group {
  scroll-margin-top: 150px;
  margin-bottom: 40px;
}

.page-news .news-group__title {
  margin: 0 0 4px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--emerald);
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--abyss);
}

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

.page-news .entry {
  border-bottom: 1px solid var(--line-ink);
}

.page-news .entry__head {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry__no {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .entry__name {
  font-size: 16px;
  line-height: 1.6;
  font-weight: 700;
  color: var(--ink);
}

.page-news .entry__time {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
}

.page-news .entry__sum {
  margin: 0 0 18px;
  padding-left: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--grey);
}

.page-news .entry[open] .entry__name {
  color: var(--emerald);
}

.page-news .entry__head:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

/* ---------- 白皮书 ---------- */
.page-news .news-white__inner {
  display: grid;
  gap: 28px;
  max-width: 940px;
  margin: 0 auto;
}

.page-news .news-white__cover {
  margin: 0;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: linear-gradient(160deg, var(--shallow), var(--white) 70%);
}

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

.page-news .news-white__cover figcaption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
  border-top: 1px solid var(--line-ink);
}

.page-news .news-white__body {
  max-width: 68ch;
}

.page-news .news-white__body h2 {
  margin: 10px 0 0;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--abyss);
}

.page-news .news-white__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.page-news .news-white__points {
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .news-white__points dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-news .news-white__points dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--grey);
}

.page-news .news-white__points dd strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--hull);
}

.page-news .news-white__foot {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-gold);
  font-size: 15px;
  line-height: 1.9;
  color: var(--grey);
}

.page-news .news-white__foot a,
.page-news .news-cadence__foot a,
.page-news .cadence-item__body a {
  color: var(--emerald);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-white__foot a:hover,
.page-news .news-cadence__foot a:hover,
.page-news .cadence-item__body a:hover {
  color: var(--coral);
}

/* ---------- 供稿网络 ---------- */
.page-news .news-network__grid {
  display: grid;
  gap: 28px;
}

.page-news .news-network__text h2 {
  margin: 10px 0 0;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--abyss);
}

.page-news .news-network__text-p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.page-news .news-network__points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-news .news-network__points li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-ink);
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey);
}

.page-news .news-network__points li:last-child {
  border-bottom: 1px solid var(--line-ink);
}

.page-news .news-network__points .mono {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .news-network__figure {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: linear-gradient(150deg, var(--hull), var(--abyss));
}

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

.page-news .news-network__figure figcaption {
  color: var(--text-on-dark-dim);
  border-top: 1px solid var(--line-light);
  background: transparent;
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line-gold);
}

.page-news .cadence-item {
  display: grid;
  gap: 6px;
  padding: 0 0 26px 20px;
  position: relative;
}

.page-news .cadence-item::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.page-news .cadence-item:last-child {
  padding-bottom: 0;
}

.page-news .cadence-item__tick {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--emerald);
}

.page-news .cadence-item__body h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 700;
  color: var(--abyss);
}

.page-news .cadence-item__body p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--grey);
}

.page-news .news-cadence__foot {
  margin-top: 36px;
  padding: 24px 22px;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(230, 238, 247, 0.9), var(--white));
}

.page-news .news-cadence__foot p {
  margin: 0 0 18px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--grey);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-lead__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .news-lead__frame {
    padding: 44px 40px 36px;
  }

  .page-news .news-series__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-news .entry__head {
    grid-template-columns: 76px minmax(0, 1fr) 88px;
    align-items: baseline;
    gap: 16px;
    padding: 18px 0;
  }

  .page-news .entry__time {
    text-align: right;
  }

  .page-news .entry__sum {
    padding-left: 92px;
    font-size: 16px;
  }
}

@media (min-width: 820px) {
  .page-news .news-lead__frame h1 {
    font-size: 34px;
  }

  .page-news .news-hed h2,
  .page-news .news-group__title,
  .page-news .news-white__body h2,
  .page-news .news-network__text h2 {
    font-size: 26px;
  }

  .page-news .news-white__inner {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-network__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-news .news-body {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-rail__inner {
    position: sticky;
    top: 140px;
  }

  .page-news .news-rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-rail__list li + li {
    margin-top: 2px;
  }

  .page-news .news-rail__link {
    display: block;
    padding: 10px 0 10px 14px;
    border: 0;
    border-left: 2px solid var(--line-gold);
    border-radius: 0;
    font-size: 15px;
    white-space: normal;
    transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible {
    border-left-color: var(--coral);
    padding-left: 18px;
  }
}

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