/* Institutional typography and density refinements. Loaded after the base theme. */

:root {
  --shell: min(1460px, calc(100% - 64px));
}

body {
  color: #303030;
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.72;
  letter-spacing: .006em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.masthead {
  height: 184px;
}

.masthead-inner {
  gap: 40px;
}

.identity {
  gap: 18px;
}

.identity strong {
  font-size: clamp(27px, 2.15vw, 38px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: .045em;
}

.identity small {
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.35;
  letter-spacing: .025em;
}

.identity em {
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.45;
  letter-spacing: .08em;
}

.site-search {
  width: min(500px, 37%);
}

.site-search input,
.site-search button {
  height: 56px;
  font-size: 16px;
}

.site-search input {
  padding-inline: 22px;
}

.site-search button {
  width: 84px;
}

.desktop-nav ul {
  height: 70px;
}

.desktop-nav a {
  padding-inline: 8px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .025em;
}

.page-lead {
  padding: 42px 0 40px;
}

.lead-grid {
  grid-template-columns: 1.5fr .72fr;
  gap: 54px;
}

.lead-grid > div {
  padding-left: 26px;
}

.lead-grid > div > span {
  font-size: 13px;
  letter-spacing: .14em;
}

.lead-grid h1 {
  margin: 8px 0 13px;
  font-size: clamp(36px, 3.3vw, 50px);
  line-height: 1.22;
  letter-spacing: .045em;
}

.lead-grid > div > p {
  max-width: 780px;
  color: #5c5c5c;
  font-size: 17px;
  line-height: 1.8;
}

.lead-grid aside {
  padding: 24px 27px;
}

.lead-grid aside strong {
  font-size: 20px;
  letter-spacing: .06em;
}

.lead-grid aside p {
  margin: 10px 0 18px;
  font-size: 15px;
  line-height: 1.75;
}

.lead-grid aside a {
  padding: 9px 17px;
  font-size: 14px;
}

.portal {
  padding: 32px 0 54px;
}

.portal-grid {
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 30px;
}

.side-title {
  min-height: 64px;
  padding-inline: 25px;
  font-size: 21px;
  letter-spacing: .06em;
}

.sidebar nav {
  padding: 20px 14px 24px;
}

.sidebar nav a {
  min-height: 54px;
  padding-inline: 22px;
  font-size: 16px;
  line-height: 1.45;
}

.topic-title {
  min-height: 58px;
  font-size: 19px;
}

.sidebar ul {
  padding: 20px 20px 27px 42px;
}

.sidebar li {
  margin-bottom: 14px;
}

.sidebar li a {
  font-size: 15px;
  line-height: 1.65;
}

.breadcrumb {
  min-height: 66px;
  padding-inline: 28px;
  font-size: 16px;
}

.list-heading {
  min-height: 70px;
  padding-inline: 30px;
}

.list-heading h2 {
  font-size: 25px;
  line-height: 1.3;
}

.list-heading span,
.list-heading button {
  font-size: 14px;
}

.news-list {
  padding: 18px 30px 32px;
}

.news-list a {
  min-height: 72px;
  grid-template-columns: 10px minmax(0, 1fr) 118px;
  gap: 15px;
}

.news-title {
  font-size: 17px;
  line-height: 1.55;
}

.news-title b {
  margin-right: 12px;
  font-size: 13px;
}

.news-list time {
  font-size: 14px;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

.section-copy h2,
.section-heading h2 {
  margin: 6px 0 14px;
  font-size: 31px;
  line-height: 1.35;
}

.section-copy p {
  font-size: 17px;
  line-height: 1.85;
}

.truth-note strong {
  font-size: 17px;
}

.truth-note p {
  font-size: 15px;
  line-height: 1.75;
}

.section-heading > p {
  font-size: 15px;
  line-height: 1.75;
}

.focus-grid article {
  min-height: 240px;
  padding: 27px 26px;
}

.focus-grid b {
  font-size: 32px;
}

.focus-grid h3 {
  margin: 18px 0 11px;
  font-size: 22px;
}

.focus-grid p {
  font-size: 15px;
  line-height: 1.75;
}

.service-grid article {
  min-height: 235px;
  padding: 28px;
}

.service-grid article > span {
  font-size: 13px;
}

.service-grid h2 {
  font-size: 23px;
  line-height: 1.5;
}

.service-grid p {
  font-size: 15px;
  line-height: 1.75;
}

.service-grid strong {
  margin-top: 23px;
  font-size: 13px;
}

.notice-band strong {
  font-size: 20px;
}

.notice-band p {
  font-size: 16px;
}

.notice-band a {
  font-size: 14px;
}

.footer-grid strong {
  font-size: 20px;
}

.footer-grid span {
  font-size: 14px;
}

.footer-grid p {
  margin: 4px 0;
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 1080px) {
  :root {
    --shell: min(100% - 36px, 980px);
  }

  body {
    font-size: 16px;
  }

  .masthead {
    height: 160px;
  }

  .identity strong {
    font-size: 28px;
    letter-spacing: .035em;
  }

  .identity small {
    font-size: 11px;
  }

  .identity em {
    font-size: 12px;
  }

  .site-search {
    width: 34%;
  }

  .desktop-nav ul {
    height: auto;
  }

  .desktop-nav a {
    min-height: 54px;
    font-size: 16px;
  }

  .portal-grid {
    grid-template-columns: 270px minmax(0, 1fr);
  }

  .news-title {
    font-size: 16px;
  }
}

@media (max-width: 760px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .masthead-inner {
    gap: 18px;
    padding-block: 22px;
  }

  .identity strong {
    font-size: 22px;
    line-height: 1.3;
  }

  .identity small {
    font-size: 10px;
  }

  .identity em {
    font-size: 12px;
  }

  .site-search {
    width: 100%;
  }

  .mobile-nav summary,
  .mobile-nav a {
    font-size: 16px;
  }

  .page-lead {
    padding: 34px 0 36px;
  }

  .lead-grid h1 {
    font-size: 36px;
  }

  .lead-grid > div > p {
    font-size: 16px;
  }

  .breadcrumb {
    min-height: 58px;
    font-size: 15px;
  }

  .list-heading h2 {
    font-size: 23px;
  }

  .section-copy h2,
  .section-heading h2 {
    font-size: 28px;
  }

  .section-copy p,
  .notice-band p {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .identity {
    gap: 12px;
  }

  .identity strong {
    font-size: 19px;
    letter-spacing: .02em;
  }

  .identity em {
    margin-top: 3px;
    font-size: 11px;
    letter-spacing: .04em;
  }

  .lead-grid h1 {
    font-size: 32px;
  }

  .news-title {
    font-size: 16px;
  }

  .news-list time {
    font-size: 13px;
  }

  .footer-grid p {
    font-size: 13px;
  }
}