:root {
  --beizhen-bg: #fdfcf9;
  --beizhen-paper: #ffffff;
  --beizhen-ink: #292725;
  --beizhen-muted: #716d68;
  --beizhen-line: #e6e1dc;
  --beizhen-accent: #7d2438;
}

.beizhen-case-page {
  color: var(--beizhen-ink);
  background: var(--beizhen-bg);
}

.beizhen-case-page main {
  overflow: hidden;
}

.beizhen-article {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0 104px;
}

.beizhen-article__header,
.beizhen-prose,
.beizhen-document-footer {
  width: min(840px, 100%);
  margin-inline: auto;
}

.beizhen-article__header {
  padding: 26px 0 54px;
  border-bottom: 1px solid var(--beizhen-line);
}

.beizhen-article__label {
  margin: 0 0 16px;
  color: var(--beizhen-accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
}

.beizhen-article h1,
.beizhen-article h2,
.beizhen-article h3 {
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
}

.beizhen-article h1 {
  margin: 0;
  font-size: clamp(40px, 5vw, 54px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -.02em;
}

.beizhen-prose {
  color: var(--beizhen-ink);
}

.beizhen-lead {
  padding-top: 54px;
}

.beizhen-section {
  padding-top: 88px;
}

.beizhen-article h2 {
  margin: 0 0 34px;
  padding-top: 22px;
  border-top: 2px solid var(--beizhen-accent);
  font-size: clamp(29px, 3vw, 34px);
  font-weight: 600;
  line-height: 1.35;
}

.beizhen-subsection {
  margin-top: 58px;
}

.beizhen-subsection:first-of-type {
  margin-top: 0;
}

.beizhen-article h3 {
  margin: 0 0 20px;
  font-size: clamp(21px, 2.2vw, 24px);
  font-weight: 600;
  line-height: 1.45;
}

.beizhen-prose p {
  margin: 0;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.92;
  text-align: justify;
}

.beizhen-prose p + p {
  margin-top: 22px;
}

.beizhen-figure {
  width: min(840px, 100%);
  margin: 42px auto 62px;
}

.beizhen-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.beizhen-figure figcaption {
  margin-top: 12px;
  color: var(--beizhen-muted);
  font-size: 14px;
  line-height: 1.6;
  text-align: left;
}

.beizhen-figure--single {
  width: min(600px, 100%);
}

.beizhen-figure--logo {
  width: min(400px, 100%);
}

.beizhen-figure--wide-short {
  width: min(640px, 100%);
}

.beizhen-figure--narrow {
  width: min(260px, 76vw);
}

.beizhen-figure--wide {
  width: min(1000px, 100%);
}

.beizhen-image-grid,
.beizhen-paired-figures {
  display: grid;
  gap: 20px;
  align-items: center;
}

.beizhen-image-grid--two,
.beizhen-paired-figures {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.beizhen-image-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.beizhen-image-grid--people img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.beizhen-image-grid--asymmetric {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
}

.beizhen-image-grid--asymmetric img,
.beizhen-image-grid--products img,
.beizhen-image-grid--square-pair img {
  width: 100%;
  height: clamp(280px, 30vw, 390px);
  object-fit: contain;
}

.beizhen-image-grid--square-pair img {
  aspect-ratio: 1;
}

.beizhen-image-grid--products img {
  height: clamp(260px, 28vw, 360px);
}

.beizhen-image-grid--online {
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
}

.beizhen-image-grid--online img {
  height: clamp(250px, 27vw, 340px);
}

.beizhen-image-grid--portrait {
  width: min(580px, 100%);
  margin-inline: auto;
}

.beizhen-image-grid--posters {
  align-items: start;
}

.beizhen-image-grid--posters img {
  width: 100%;
  aspect-ratio: 4 / 9;
  max-height: 560px;
  object-fit: contain;
}

.beizhen-image-grid--events {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: start;
}

.beizhen-image-grid--events img {
  aspect-ratio: 16 / 10;
  height: 100%;
  object-fit: cover;
}

.beizhen-image-grid--events img:nth-child(-n + 2) {
  grid-column: span 2;
}

.beizhen-figure--events {
  width: min(1040px, 100%);
}

.beizhen-paired-figures {
  width: min(760px, 100%);
  margin: 42px auto 62px;
  align-items: start;
}

.beizhen-paired-figures .beizhen-figure {
  width: 100%;
  margin: 0;
}

.beizhen-paired-figures--products img {
  width: 100%;
  height: clamp(280px, 29vw, 360px);
  object-fit: contain;
}

.beizhen-materials-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  grid-template-areas:
    "primary label"
    "primary cards";
  gap: 28px 34px;
  width: min(840px, 100%);
  margin: 42px auto 78px;
  align-items: center;
}

.beizhen-materials-grid .beizhen-figure {
  width: 100%;
  margin: 0;
}

.beizhen-materials-grid__primary {
  grid-area: primary;
}

.beizhen-materials-grid__label {
  grid-area: label;
}

.beizhen-materials-grid__cards {
  grid-area: cards;
}

.beizhen-materials-grid__primary img {
  height: clamp(400px, 45vw, 550px);
  object-fit: contain;
}

.beizhen-materials-grid__label img {
  height: clamp(130px, 16vw, 180px);
  object-fit: contain;
}

.beizhen-materials-grid__cards img {
  height: clamp(260px, 32vw, 390px);
  object-fit: contain;
}

.beizhen-figure--inset {
  margin-right: calc((100% - min(840px, 100%)) / 2);
}

.beizhen-figure--landscape-feature {
  width: min(840px, 100%);
}

.beizhen-figure--landscape-feature img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.beizhen-news-table-wrap {
  margin-top: 42px;
}

.beizhen-news-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  background: var(--beizhen-paper);
  font-size: 15px;
  line-height: 1.65;
}

.beizhen-news-table th,
.beizhen-news-table td {
  padding: 18px 16px;
  border-bottom: 1px solid var(--beizhen-line);
  text-align: left;
  vertical-align: middle;
}

.beizhen-news-table th {
  color: var(--beizhen-muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
}

.beizhen-news-table th:nth-child(1) { width: 36%; }
.beizhen-news-table th:nth-child(2) { width: 18%; }
.beizhen-news-table th:nth-child(3) { width: 46%; }

.beizhen-news-table a {
  color: var(--beizhen-accent);
  overflow-wrap: anywhere;
  text-decoration-color: rgba(125, 36, 56, .35);
  text-underline-offset: 3px;
}

.beizhen-news-table a:hover {
  text-decoration-color: currentColor;
}

.beizhen-document-footer {
  margin-top: 72px;
  padding-top: 30px;
  border-top: 1px solid var(--beizhen-line);
  color: var(--beizhen-muted);
  font-size: 15px;
  line-height: 1.8;
  text-align: right;
}

.beizhen-document-footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .beizhen-article {
    width: min(100% - 36px, 1180px);
    padding-top: 48px;
  }

  .beizhen-image-grid--events img {
    min-height: 0;
  }

  .beizhen-news-table,
  .beizhen-news-table tbody,
  .beizhen-news-table tr,
  .beizhen-news-table td {
    display: block;
    width: 100%;
  }

  .beizhen-news-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .beizhen-news-table tr {
    padding: 24px 0;
    border-bottom: 1px solid var(--beizhen-line);
  }

  .beizhen-news-table td {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    padding: 8px 18px;
    border: 0;
  }

  .beizhen-news-table td::before {
    content: attr(data-label);
    color: var(--beizhen-muted);
    font-size: 13px;
    font-weight: 600;
  }

}

@media (max-width: 620px) {
  .beizhen-article {
    width: min(100% - 28px, 1180px);
    padding: 34px 0 72px;
  }

  .beizhen-article__header {
    padding: 18px 0 38px;
  }

  .beizhen-lead {
    padding-top: 38px;
  }

  .beizhen-section {
    padding-top: 66px;
  }

  .beizhen-subsection {
    margin-top: 46px;
  }

  .beizhen-figure,
  .beizhen-paired-figures {
    margin-top: 32px;
    margin-bottom: 48px;
  }

  .beizhen-image-grid--two,
  .beizhen-image-grid--three,
  .beizhen-paired-figures,
  .beizhen-image-grid--asymmetric,
  .beizhen-image-grid--online,
  .beizhen-materials-grid,
  .beizhen-image-grid--events {
    grid-template-columns: 1fr;
  }

  .beizhen-materials-grid {
    grid-template-areas:
      "primary"
      "label"
      "cards";
    gap: 44px;
    margin-top: 32px;
    margin-bottom: 56px;
  }

  .beizhen-image-grid--events img:nth-child(-n + 2) {
    grid-column: auto;
  }

  .beizhen-image-grid--asymmetric img,
  .beizhen-image-grid--products img,
  .beizhen-image-grid--square-pair img,
  .beizhen-image-grid--online img,
  .beizhen-paired-figures--products img,
  .beizhen-materials-grid__primary img,
  .beizhen-materials-grid__label img,
  .beizhen-materials-grid__cards img {
    height: auto;
  }

  .beizhen-image-grid--events img {
    height: auto;
    min-height: 0;
    object-fit: cover;
  }

  .beizhen-paired-figures {
    gap: 44px;
  }

  .beizhen-news-table td {
    grid-template-columns: 1fr;
    gap: 4px;
    padding-inline: 14px;
  }

  .beizhen-document-footer {
    margin-top: 56px;
  }
}