:root {
  --manual-blue: #1769aa;
  --manual-blue-dark: #104d7d;
  --manual-green: #16835f;
  --manual-red: #c53b35;
  --manual-amber: #a96500;
  --manual-ink: #20242a;
  --manual-muted: #5f6975;
  --manual-line: #dfe4e8;
  --manual-soft: #f5f7f8;
  --manual-sidebar: #20262c;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--manual-ink);
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

.wy-side-nav-search {
  background: var(--manual-blue);
  padding: 18px 14px 16px;
}

.wy-side-nav-search > a {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

.wy-side-nav-search input[type="text"] {
  border: 0;
  border-radius: 4px;
  box-shadow: none;
  height: 40px;
  padding: 8px 12px;
}

.wy-nav-side {
  background: var(--manual-sidebar);
}

.wy-menu-vertical header,
.wy-menu-vertical p.caption {
  color: #9db8cd;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  margin: 20px 16px 7px;
}

.wy-menu-vertical a {
  line-height: 1.45;
  padding-bottom: 9px;
  padding-top: 9px;
}

.wy-menu-vertical li.current > a,
.wy-menu-vertical li.on a {
  border-right: 3px solid var(--manual-blue);
  color: var(--manual-blue-dark);
  font-weight: 600;
}

.wy-nav-content-wrap {
  background: #eef1f3;
}

.wy-nav-content {
  background: #fff;
  max-width: 1120px;
  min-height: 100vh;
  padding: 38px 56px 64px;
}

.rst-content {
  font-size: 16px;
  line-height: 1.75;
}

.rst-content h1,
.rst-content h2,
.rst-content h3,
.rst-content h4 {
  color: var(--manual-ink);
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

.rst-content h1 {
  border-bottom: 1px solid var(--manual-line);
  font-size: 32px;
  margin-bottom: 22px;
  padding-bottom: 16px;
}

.rst-content h2 {
  border-left: 5px solid var(--manual-blue);
  font-size: 24px;
  margin: 42px 0 18px;
  padding: 3px 0 3px 12px;
}

.rst-content h3 {
  font-size: 19px;
  margin: 30px 0 12px;
}

.rst-content h4 {
  font-size: 17px;
  margin-top: 24px;
}

.rst-content a {
  color: var(--manual-blue);
  text-decoration: none;
}

.rst-content a:hover {
  color: var(--manual-blue-dark);
  text-decoration: underline;
}

.rst-content code.literal {
  background: #edf3f7;
  border: 1px solid #d8e2e9;
  color: #1d4f70;
  font-size: 90%;
  padding: 2px 5px;
}

.rst-content div[class^="highlight"] {
  border: 1px solid var(--manual-line);
  border-left: 4px solid #71808d;
  border-radius: 3px;
}

.rst-content pre {
  font-size: 14px;
  line-height: 1.55;
}

.rst-content table.docutils {
  border: 1px solid var(--manual-line);
  border-collapse: separate;
  border-radius: 3px;
  border-spacing: 0;
  display: table;
  margin-bottom: 24px;
  overflow: hidden;
  width: 100%;
}

.rst-content table.docutils thead {
  background: #eaf1f6;
}

.rst-content table.docutils th {
  color: #273640;
  font-weight: 700;
  text-align: left;
}

.rst-content table.docutils td,
.rst-content table.docutils th {
  border-bottom: 1px solid var(--manual-line);
  border-right: 1px solid var(--manual-line);
  padding: 10px 12px;
  vertical-align: top;
}

.rst-content table.docutils tr:nth-child(even) td {
  background: #fafbfc;
}

.rst-content .admonition {
  background: #f5f8fa;
  border: 0;
  border-left: 5px solid var(--manual-blue);
  border-radius: 3px;
  box-shadow: none;
  margin: 22px 0;
  padding: 0 16px 14px;
}

.rst-content .admonition-title {
  background: transparent;
  color: var(--manual-blue-dark);
  font-size: 16px;
  margin: 0 -16px 10px;
  padding: 12px 16px 8px;
}

.rst-content .admonition.warning,
.rst-content .admonition.danger,
.rst-content .admonition.error {
  background: #fff5f4;
  border-left-color: var(--manual-red);
}

.rst-content .warning .admonition-title,
.rst-content .danger .admonition-title,
.rst-content .error .admonition-title {
  color: #8e241f;
}

.rst-content .admonition.tip,
.rst-content .admonition.hint {
  background: #f1f9f5;
  border-left-color: var(--manual-green);
}

.rst-content .tip .admonition-title,
.rst-content .hint .admonition-title {
  color: #116248;
}

.rst-content .admonition.important,
.rst-content .admonition.note {
  background: #f1f7fb;
}

.manual-intro {
  border-left: 5px solid var(--manual-blue);
  margin: -6px 0 28px;
  padding: 2px 0 2px 18px;
}

.manual-kicker {
  color: var(--manual-blue-dark);
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 4px;
}

.manual-summary {
  color: var(--manual-muted);
  font-size: 18px;
  margin: 0;
}

.figure-placeholder {
  align-items: center;
  background: #f7f9fa;
  border: 1px dashed #9cabb5;
  color: var(--manual-muted);
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 22px 0 28px;
  min-height: 150px;
  padding: 24px;
  text-align: center;
}

.figure-placeholder strong {
  color: #384955;
  font-size: 16px;
  margin-bottom: 7px;
}

.figure-placeholder span {
  font-size: 14px;
  line-height: 1.6;
  max-width: 680px;
}

.article-meta {
  align-items: center;
  border-bottom: 1px solid var(--manual-line);
  color: var(--manual-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 13px;
  gap: 8px 24px;
  margin: -10px 0 22px;
  padding: 0 0 14px;
}

.article-meta__item {
  align-items: baseline;
  display: inline-flex;
  gap: 7px;
}

.article-meta__label {
  color: #7a858f;
}

.article-meta strong {
  color: #34424c;
  font-weight: 600;
}

.article-overview {
  background: #f5f8fa;
  border-left: 4px solid var(--manual-blue);
  margin: 0 0 30px;
  padding: 14px 18px 15px;
}

.article-overview__title {
  color: var(--manual-blue-dark);
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 8px;
}

.article-overview ol {
  column-count: 2;
  column-gap: 34px;
  margin: 0 0 0 22px;
}

.article-overview li {
  break-inside: avoid;
  line-height: 1.45;
  margin: 0 0 6px;
  padding-left: 2px;
}

.article-overview a {
  color: #374957;
}

.manual-article section > ol.arabic.simple {
  counter-reset: manual-step;
  list-style: none;
  margin-left: 0;
}

.manual-article section > ol.arabic.simple > li {
  border-left: 2px solid #dbe4ea;
  counter-increment: manual-step;
  margin: 0 0 4px 16px;
  min-height: 38px;
  padding: 3px 0 14px 24px;
  position: relative;
}

.manual-article section > ol.arabic.simple > li::before {
  align-items: center;
  background: var(--manual-blue);
  border: 3px solid #fff;
  border-radius: 50%;
  color: #fff;
  content: counter(manual-step);
  display: flex;
  font-size: 12px;
  font-weight: 700;
  height: 28px;
  justify-content: center;
  left: -17px;
  position: absolute;
  top: 0;
  width: 28px;
}

.manual-article section > ol.arabic.simple > li:last-child {
  border-left-color: transparent;
}

.rst-footer-buttons {
  border-top: 1px solid var(--manual-line);
  margin-top: 50px;
  padding-top: 20px;
}

.rst-footer-buttons a.btn {
  background: #fff;
  border: 1px solid #cfd8de;
  border-radius: 3px;
  box-shadow: none;
  color: var(--manual-blue-dark);
  font-weight: 600;
  padding: 10px 14px;
}

.rst-footer-buttons a.btn:hover {
  background: #f3f7f9;
  border-color: #9eb5c5;
}

.quick-links {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 0 34px;
}

.quick-link {
  border: 1px solid var(--manual-line);
  border-left: 4px solid var(--manual-blue);
  border-radius: 4px;
  color: var(--manual-ink) !important;
  display: grid;
  min-height: 112px;
  padding: 14px 14px 13px;
  text-decoration: none !important;
  transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

.quick-link:hover {
  border-color: #9cb7ca;
  box-shadow: 0 4px 14px rgba(27, 55, 74, 0.1);
  transform: translateY(-1px);
}

.quick-link__index {
  color: var(--manual-blue);
  font-size: 12px;
  font-weight: 700;
}

.quick-link strong {
  font-size: 18px;
}

.quick-link > span:last-child {
  color: var(--manual-muted);
  font-size: 14px;
  line-height: 1.45;
}

.quick-link--maintain,
.quick-link--data {
  border-left-color: var(--manual-green);
}

.quick-link--fault {
  border-left-color: var(--manual-red);
}

.quick-link--calibrate {
  border-left-color: var(--manual-amber);
}

.topic-grid {
  display: grid;
  gap: 24px 34px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 28px;
}

.topic-panel {
  border-top: 3px solid var(--manual-blue);
  padding-top: 10px;
}

.topic-panel h3 {
  margin: 0 0 5px;
}

.topic-panel p {
  color: var(--manual-muted);
  font-size: 14px;
  margin: 0 0 8px;
}

.topic-panel ul {
  margin-bottom: 0;
}

.page-outline {
  background: #fff;
  border-left: 1px solid var(--manual-line);
  font-size: 13px;
  max-height: calc(100vh - 80px);
  overflow: auto;
  padding: 0 0 8px 16px;
  position: fixed;
  right: 18px;
  top: 72px;
  width: 190px;
  z-index: 10;
}

.page-outline__title {
  color: var(--manual-muted);
  font-size: 12px;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-outline a {
  border-left: 2px solid transparent;
  color: #58636d;
  display: block;
  line-height: 1.35;
  margin: 1px 0;
  padding: 5px 6px 5px 9px;
}

.page-outline a:hover,
.page-outline a.is-active {
  border-left-color: var(--manual-blue);
  color: var(--manual-blue-dark);
  text-decoration: none;
}

.page-outline a[data-level="3"] {
  padding-left: 20px;
}

@media (min-width: 1450px) {
  .wy-nav-content {
    margin-left: 0;
    max-width: 900px;
  }
}

@media (max-width: 1449px) {
  .page-outline {
    display: none;
  }
}

@media (max-width: 900px) {
  .wy-nav-content {
    padding: 28px 30px 50px;
  }

  .quick-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .wy-nav-content {
    padding: 22px 18px 42px;
  }

  .rst-content {
    font-size: 15px;
  }

  .rst-content h1 {
    font-size: 27px;
  }

  .rst-content h2 {
    font-size: 21px;
    margin-top: 34px;
  }

  .quick-links,
  .topic-grid {
    grid-template-columns: 1fr;
  }

  .article-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .article-overview ol {
    column-count: 1;
  }

  .quick-link {
    min-height: 100px;
  }

  .rst-content table.docutils {
    display: block;
    overflow-x: auto;
    white-space: normal;
  }
}

@media print {
  .wy-nav-side,
  .wy-nav-top,
  .page-outline,
  .rst-footer-buttons {
    display: none !important;
  }

  .wy-nav-content-wrap,
  .wy-nav-content {
    background: #fff;
    margin: 0;
    max-width: none;
    padding: 0;
  }

  .rst-content a {
    color: var(--manual-ink);
  }
}