.page-news {
  --news-line: rgba(16, 36, 58, .16);
  --news-line-soft: rgba(16, 36, 58, .08);
  --news-body: #3A4149;
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.page-news .breadcrumbs {
  padding-block: 22px 4px;
}

.page-news .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gray);
}

.page-news .breadcrumbs li + li::before {
  content: "/";
  margin-inline-end: 8px;
  color: var(--gray);
}

.page-news .breadcrumbs a {
  color: var(--gray);
  text-decoration: none;
}

.page-news .breadcrumbs a:hover {
  color: var(--navy);
}

/* ---------- 报头 ---------- */

.page-news .news-masthead {
  padding-block: clamp(20px, 3vw, 34px) clamp(36px, 5vw, 68px);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-masthead__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-masthead__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--navy);
}

.page-news .news-masthead .lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--news-body);
}

.page-news .masthead-facts {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--news-line-soft);
  padding-top: 18px;
}

.page-news .masthead-facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 13px;
  line-height: 1.7;
}

.page-news .masthead-facts__k {
  flex: 0 0 4em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-news .masthead-facts__v {
  color: var(--gray);
}

.page-news .news-masthead__figure {
  margin: 0;
  position: relative;
}

.page-news .news-masthead__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--news-line);
  background: var(--mist);
}

.page-news .news-masthead__figure::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  background: rgba(16, 36, 58, .06);
  pointer-events: none;
}

.page-news .media-caption {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 通用区块 ---------- */

.page-news .section {
  padding-block: clamp(42px, 6vw, 82px);
}

.page-news .section + .section {
  border-top: 1px solid var(--news-line-soft);
}

.page-news .section-lede {
  margin: 22px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

.page-news .column-lede {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---------- 本期导读 ---------- */

.page-news .brief-grid {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .brief-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 26px 22px;
  background: var(--paper);
  transition: background-color .22s var(--ease);
}

.page-news .brief-card:hover {
  background: var(--white);
}

.page-news .brief-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-news .brief-card__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gray);
}

.page-news .brief-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.52;
  color: var(--ink);
}

.page-news .brief-card__title a {
  color: inherit;
  text-decoration: none;
}

.page-news .brief-card__title a:hover {
  color: var(--navy);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 5px;
}

.page-news .brief-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-body);
}

.page-news .brief-card__meta {
  margin: auto 0 0;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 栏目索引 ---------- */

.page-news .column-grid {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-news .column-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 22px;
  background: var(--white);
  border: 1px solid var(--news-line);
  border-top: 3px solid var(--gold);
}

.page-news .column-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-news .column-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.5;
  color: var(--navy);
}

.page-news .column-card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--news-body);
}

.page-news .column-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray);
}

.page-news .column-card__jump {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-news .column-card__jump:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 筛选栏 ---------- */

.page-news .filter-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .filter-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 2px;
}

.page-news .filter-btn {
  appearance: none;
  padding: 6px 12px;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--gray);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .filter-btn:hover {
  color: var(--ink);
}

.page-news .filter-btn[aria-pressed="true"] {
  color: var(--ink);
  border-bottom-color: var(--red);
}

.page-news .filter-count {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
}

.page-news .is-filtered {
  display: none;
}

/* ---------- 本期重点 ---------- */

.page-news .news-feature {
  border: 2px solid var(--navy);
  background: var(--paper);
}

.page-news .news-feature__summary {
  display: block;
  position: relative;
  padding: clamp(24px, 4vw, 40px);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-feature__no {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(52px, 7.5vw, 96px);
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--gold);
}

.page-news .news-feature__eyebrow {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--red);
}

.page-news .news-feature__title {
  display: block;
  margin-top: 10px;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.45;
  color: var(--navy);
}

.page-news .news-feature__toggle {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
}

.page-news .news-feature__toggle::before {
  content: "收起全文";
}

.page-news .news-feature:not([open]) .news-feature__toggle::before {
  content: "展开全文";
}

.page-news .news-feature__body {
  display: grid;
  gap: 20px;
  padding: 26px clamp(24px, 4vw, 40px) clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--news-line);
}

.page-news .news-feature__col p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--news-body);
}

.page-news .news-feature__col p:last-child {
  margin-bottom: 0;
}

/* ---------- 栏目区块 ---------- */

.page-news .column-body {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-news .column-body__main {
  min-width: 0;
}

.page-news .column-body__aside {
  min-width: 0;
}

.page-news .topic-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .topic-item {
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .topic-item__link {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 4px 14px;
  padding: 18px 2px;
  color: inherit;
  text-decoration: none;
  transition: background-color .22s var(--ease), padding-left .22s var(--ease);
}

.page-news .topic-item__link:hover {
  background: rgba(227, 232, 239, .55);
  padding-left: 12px;
}

.page-news .topic-item__tag {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-news .topic-item__title {
  grid-column: 1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .topic-item__time {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  color: var(--gray);
}

.page-news .topic-item__summary {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--gray);
}

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

.page-news .column-figure .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--mist);
}

.page-news .column-figure .media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(16, 36, 58, .06);
  pointer-events: none;
}

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

.page-news .column-figure .media-caption {
  margin-top: 10px;
}

.page-news .side-note {
  margin-top: 22px;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.page-news .side-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---------- 订阅与反馈 ---------- */

.page-news .feedback-grid {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-news .feedback-main p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--news-body);
}

.page-news .feedback-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .feedback-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--news-line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

.page-news .feedback-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

.page-news .feedback-contact {
  padding: 28px 24px;
  background: var(--navy);
  color: var(--text-inv);
}

.page-news .feedback-contact__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-soft);
}

.page-news .feedback-contact__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  word-break: break-all;
  color: var(--paper);
}

.page-news .feedback-contact__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-inv-dim);
}

.page-news .back-to-index {
  display: inline-block;
  margin-top: 40px;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-news .back-to-index:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-news .brief-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 640px) {
  .page-news .column-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-feature__summary {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 6px 32px;
    align-items: center;
  }

  .page-news .news-feature__no {
    grid-row: 1 / 4;
  }

  .page-news .news-feature__eyebrow,
  .page-news .news-feature__title,
  .page-news .news-feature__toggle {
    grid-column: 2;
    margin-top: 0;
  }

  .page-news .news-feature__eyebrow {
    margin-top: 4px;
  }

  .page-news .news-feature__title {
    margin-top: 8px;
  }

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

  .page-news .news-feature__body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (min-width: 960px) {
  .page-news .column-body {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .column-body--flip .column-body__main {
    order: 2;
  }

  .page-news .column-body--flip .column-body__aside {
    order: 1;
  }

  .page-news .column-block--slim .column-body {
    grid-template-columns: minmax(0, 1fr);
    max-width: 860px;
  }

  .page-news .feedback-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 48px;
  }
}

@media (min-width: 1080px) {
  .page-news .column-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 520px) {
  .page-news .news-masthead .lede,
  .page-news .section-lede,
  .page-news .column-lede {
    font-size: 15px;
  }

  .page-news .topic-item__link {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .topic-item__time {
    grid-column: 1;
  }

  .page-news .filter-count {
    margin-left: 0;
  }
}
