:root {
  --nottingham-blue: #10263b;
  --nottingham-blue-80: #405162;
  --nottingham-blue-20: #cfd4d8;
  --nottingham-blue-5: #f3f4f5;
  --jubilee-red: #b91c2e;
  --portland-stone: #faf6ef;
  --md-primary-fg-color: var(--nottingham-blue);
  --md-primary-fg-color--light: var(--nottingham-blue-80);
  --md-primary-fg-color--dark: var(--nottingham-blue);
  --md-accent-fg-color: var(--jubilee-red);
  --md-typeset-a-color: #005f7a;
}

[data-md-color-scheme="default"] {
  --md-default-fg-color: var(--nottingham-blue);
  --md-default-fg-color--light: var(--nottingham-blue-80);
  --md-default-bg-color: var(--nottingham-blue-5);
  --md-code-bg-color: var(--portland-stone);
}

body,
input {
  font-family: "HarmonyOS Sans SC", "HarmonyOS Sans", "Noto Sans CJK SC",
    "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.md-header,
.md-tabs {
  background: var(--nottingham-blue);
}

.md-header__button.md-logo img {
  width: auto;
  height: 2.25rem;
  padding: 0;
  object-fit: contain;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  color: var(--nottingham-blue);
  font-weight: 650;
  letter-spacing: -0.015em;
}

.md-typeset h2 {
  margin-bottom: 0.5rem;
}

.md-typeset h2 + p,
.md-typeset h2 + table {
  margin-top: 0;
}

.home-alert {
  color: var(--jubilee-red);
  font-weight: 550;
}

[data-md-color-scheme="slate"] .home-alert {
  color: #ff8a98;
}

.md-typeset .important-link {
  color: #4386b5;
  text-decoration: none;
}

.md-typeset .important-link:hover {
  color: #28668f;
}

[data-md-color-scheme="slate"] .md-typeset .important-link {
  color: #8ec5ea;
}

.md-typeset .resource-link {
  color: #4386b5;
}

.md-typeset .resource-link:hover {
  color: #28668f;
}

[data-md-color-scheme="slate"] .md-typeset .resource-link {
  color: #8ec5ea;
}

.md-typeset .faq-link {
  color: #d97706;
  font-weight: 650;
}

.md-typeset .faq-link:hover {
  color: #a94f00;
}

[data-md-color-scheme="slate"] .md-typeset .faq-link {
  color: #f6ad55;
}

.md-typeset .sout {
  text-decoration-line: line-through;
  text-decoration-thickness: 0.1em;
}

.preface-signature {
  margin-top: 2rem;
  text-align: right;
  line-height: 1.8;
}

.pdf-embed {
  display: block;
  width: 100%;
  height: 72rem;
  margin-top: 1rem;
  border: 1px solid var(--nottingham-blue-20);
  border-radius: 0.2rem;
  background: #ffffff;
}

.pdf-embed--landscape {
  height: 52rem;
}

[data-md-color-scheme="slate"] .md-typeset h1,
[data-md-color-scheme="slate"] .md-typeset h2,
[data-md-color-scheme="slate"] .md-typeset h3 {
  color: #ffffff;
}

.placeholder {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border-left: 0.25rem solid var(--jubilee-red);
  background: var(--portland-stone);
}

[data-md-color-scheme="slate"] .placeholder,
[data-md-color-scheme="slate"] .md-typeset .admonition {
  background: #1d3144;
}

@media screen and (max-width: 44.984375em) {
  .md-header__button.md-logo img {
    height: 1.7rem;
  }

  .pdf-embed {
    height: 75vh;
  }

  .pdf-embed--landscape {
    height: 65vh;
  }

}