.material-composition-body {
  margin: 0;
  background: rgba(245, 246, 247, 1);
}

.material-composition-body a {
  color: inherit;
  text-decoration: none;
}

.material-composition-body button,
.material-composition-body input {
  font: inherit;
}

.material-composition-page,
.material-composition-page * {
  box-sizing: border-box;
}

.material-composition-page {
  min-block-size: 100vh;
  background: rgba(245, 246, 247, 1);
  color: rgba(0, 0, 0, 1);
  font-family: "SourceHanSansCN-Regular", "AlibabaPuHuiTi-Regular", sans-serif;
}

.material-composition-breadcrumb-shell {
  display: flex;
  justify-content: center;
  min-block-size: 48px;
  background: rgba(242, 242, 242, 1);
}

.material-composition-breadcrumb {
  inline-size: min(1200px, calc(100% - 40px));
  min-block-size: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(153, 153, 153, 1);
  font-family: "AlibabaPuHuiTi-Regular", sans-serif;
  font-size: 14px;
  line-height: 48px;
}

.material-composition-breadcrumb-current {
  color: rgba(95, 95, 95, 1);
  text-decoration: none;
}

.material-composition-hero {
  min-block-size: 240px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 22px;
  padding-block: 24px;
  background-image: linear-gradient(rgba(0, 0, 0, 0.23), rgba(0, 0, 0, 0.23)), url(https://img.js.design/assets/img/69b90b2c81a6de7b912bf035.png#5731395224e89961860b397fd6e18841);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.material-composition-hero-copy {
  inline-size: min(1047px, calc(100% - 40px));
  display: grid;
  justify-items: center;
  gap: 16px;
  text-align: center;
  color: rgba(255, 255, 255, 1);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
}

.material-composition-hero-title {
  font-family: "SourceHanSansCN-Bold", sans-serif;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
}

.material-composition-hero-subtitle {
  font-size: 20px;
  line-height: 1.4;
}

.material-composition-tab-bar {
  display: flex;
  justify-content: center;
  margin-bottom: 6px;
  background: rgba(255, 255, 255, 1);
}

.material-composition-tab-shell {
  inline-size: min(1200px, calc(100vw - 48px));
  min-block-size: 56px;
  display: flex;
  align-items: end;
  justify-content: flex-start;
  padding: 11px 0;
  min-inline-size: 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.material-composition-tab {
  min-block-size: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-block-end: 1px solid rgba(218, 36, 29, 1);
  background: rgba(255, 255, 255, 1);
  color: rgba(0, 0, 0, 1);
  font-size: 14px;
  line-height: 20px;
  white-space: nowrap;
  padding-inline: 32px;
  flex: 0 1 auto;
}

.material-composition-tab-active {
  border: 1px solid rgba(218, 36, 29, 1);
  border-block-end-color: rgba(255, 255, 255, 1);
  color: rgba(218, 36, 29, 1);
}

.material-composition-tab-trail {
  min-block-size: 34px;
  border-block-end: 1px solid rgba(218, 36, 29, 1);
  background: rgba(255, 255, 255, 1);
  min-inline-size: 0;
  flex: 1 1 auto;
}

.material-composition-content-shell {
  display: flex;
  justify-content: center;
  min-block-size: clamp(720px, 84.27vw, 1618px);
  background: rgba(255, 255, 255, 1);
}

.material-composition-content {
  inline-size: min(1200px, calc(100% - 40px));
  min-block-size: inherit;
  display: grid;
  align-content: start;
  gap: 16px;
  padding-block-start: 34px;
  padding-block-end: 48px;
}

.material-composition-section-title {
  color: rgba(31, 41, 55, 1);
  font-family: "AlibabaPuHuiTi-Regular", sans-serif;
  font-size: 24px;
  line-height: 36px;
}

.material-composition-section-text {
  inline-size: 100%;
  display: grid;
  gap: 20px;
  color: rgba(0, 0, 0, 1);
  font-size: 16px;
  line-height: 30px;
}

.material-composition-rich-text {
  display: grid;
  gap: 20px;
}

.material-composition-rich-text :where(h1, h2, h3, h4, h5, h6, p, ul, ol, blockquote) {
  margin: 0;
}

.material-composition-rich-text :where(ul, ol) {
  padding-left: 1.5em;
}

.material-composition-rich-text img,
.material-composition-rich-text video,
.material-composition-rich-text iframe {
  display: block;
  max-width: 100%;
}

.material-composition-rich-text table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

@media (max-width: 1200px) {
  .material-composition-tab-trail {
    display: none;
  }
}

@media (max-width: 900px) {
  .material-composition-hero-title {
    font-size: 30px;
  }

  .material-composition-hero-subtitle {
    font-size: 18px;
  }

  .material-composition-tab-shell {
    flex-wrap: wrap;
    align-items: stretch;
    padding-block: 11px;
  }

  .material-composition-tab {
    flex: 1 1 180px;
  }

  .material-composition-section-text {
    line-height: 28px;
  }
}

@media (max-width: 640px) {
  .material-composition-breadcrumb {
    line-height: 24px;
    padding-block: 12px;
    flex-wrap: wrap;
  }

  .material-composition-hero {
    gap: 16px;
    padding-block: 32px;
  }

  .material-composition-hero-title {
    font-size: 26px;
  }

  .material-composition-hero-subtitle {
    font-size: 16px;
  }

  .material-composition-content {
    padding-block-end: 32px;
  }

  .material-composition-tab {
    padding-inline: 20px;
  }
}