:root {
  --lk-bg: #f4f1ea;
  --lk-surface: rgba(255, 252, 246, 0.88);
  --lk-surface-strong: #fffdfa;
  --lk-border: rgba(125, 93, 48, 0.16);
  --lk-border-strong: rgba(125, 93, 48, 0.28);
  --lk-ink: #1f1b16;
  --lk-muted: #6d6254;
  --lk-accent: #9f5b2b;
  --lk-accent-soft: rgba(159, 91, 43, 0.12);
  --lk-shadow: 0 24px 60px rgba(61, 43, 20, 0.08);
  --md-text-font: "IBM Plex Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --md-code-font: "IBM Plex Mono", "Cascadia Code", "JetBrains Mono", monospace;
  --md-copy-icon: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 21H8V7h11m0-2H8a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h11a2 2 0 0 0 2-2V7a2 2 0 0 0-2-2m-3-4H4a2 2 0 0 0-2 2v14h2V3h12V1Z"/></svg>');
}

[data-md-color-scheme="default"] {
  --md-default-bg-color: var(--lk-bg);
  --md-default-fg-color: var(--lk-ink);
  --md-typeset-a-color: var(--lk-accent);
  --md-primary-fg-color: rgba(255, 252, 246, 0.82);
  --md-primary-fg-color--light: rgba(255, 252, 246, 0.92);
  --md-primary-fg-color--dark: rgba(245, 238, 226, 0.96);
  --md-primary-bg-color: var(--lk-ink);
  --md-accent-fg-color: var(--lk-accent);
}

body {
  background:
    radial-gradient(circle at top left, rgba(173, 124, 78, 0.14), transparent 30%),
    linear-gradient(180deg, #f8f3ec 0%, #f4f1ea 36%, #efe8dc 100%);
}

.md-header {
  background: rgba(255, 252, 246, 0.78);
  box-shadow: 0 1px 0 rgba(125, 93, 48, 0.08), 0 10px 30px rgba(61, 43, 20, 0.05);
}

.md-header__title,
.md-header__button,
.md-header__topic,
.md-search__icon,
.md-search__input,
.md-search__input::placeholder {
  color: var(--lk-ink);
}

.md-search__form {
  background: rgba(255, 252, 246, 0.9);
  border: 1px solid var(--lk-border);
  box-shadow: 0 8px 24px rgba(61, 43, 20, 0.06);
}

.md-sidebar__scrollwrap,
.md-sidebar__inner {
  scrollbar-color: rgba(79, 98, 255, 0.9) transparent;
}

.md-nav__link {
  color: var(--lk-ink);
}

.md-nav__link:hover,
.md-nav__link--active,
.md-nav__item .md-nav__link--active {
  color: var(--lk-accent);
}

.md-nav--secondary .md-nav__title,
.md-nav--secondary .md-nav__link {
  color: var(--lk-ink);
}

.md-nav__title,
.md-nav__item .md-nav__link {
  font-weight: 500;
}

.md-main__inner {
  margin-top: 1.2rem;
}

.md-sidebar,
.md-search__form,
.md-header,
.md-tabs {
  backdrop-filter: saturate(130%) blur(10px);
}

.md-content__inner {
  background: var(--lk-surface);
  border: 1px solid var(--lk-border);
  border-radius: 28px;
  box-shadow: var(--lk-shadow);
  padding: 2rem 2rem 2.4rem;
  font-size: 15px;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  letter-spacing: -0.02em;
}

.md-typeset h1 {
  margin-bottom: 1rem;
  font-size: 2rem;
}

.md-typeset h2 {
  margin-top: 2.6rem;
  padding-top: 0.2rem;
  border-top: 1px solid rgba(125, 93, 48, 0.12);
}

.md-typeset p,
.md-typeset li {
  color: var(--lk-ink);
}

.md-typeset pre,
.md-typeset .highlight pre {
  border: 1px solid rgba(36, 25, 14, 0.08);
  border-radius: 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.md-typeset pre code {
  font-size: 0.84rem;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 1.6rem 1.7rem;
  border: 1px solid var(--lk-border);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 250, 242, 0.98), rgba(246, 236, 225, 0.96)),
    linear-gradient(135deg, rgba(159, 91, 43, 0.06), transparent);
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -2rem -4rem auto;
  width: 12rem;
  height: 12rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(159, 91, 43, 0.14), transparent 68%);
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--lk-accent);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.1rem;
}

.doc-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.doc-card {
  display: block;
  padding: 1.15rem;
  border: 1px solid var(--lk-border);
  border-radius: 22px;
  background: rgba(255, 253, 249, 0.88);
  color: inherit;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.doc-card:hover {
  transform: translateY(-2px);
  border-color: var(--lk-border-strong);
  box-shadow: 0 18px 36px rgba(50, 36, 20, 0.08);
}

.doc-card h3 {
  margin: 0.3rem 0 0.5rem;
}

.doc-card p {
  margin: 0;
  color: var(--lk-muted);
}

.status-chip,
.draft-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.26rem 0.6rem;
  border-radius: 999px;
  background: var(--lk-accent-soft);
  color: var(--lk-accent);
  font-size: 0.74rem;
  font-weight: 700;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem;
}

.summary-card {
  padding: 1rem;
  border: 1px solid var(--lk-border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.summary-card strong {
  display: block;
  margin-bottom: 0.3rem;
}

.system-switch-wrap {
  margin-bottom: 1.4rem;
}

.system-switch {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem 1rem;
  align-items: center;
  padding: 0 0 1.5rem;
  border-bottom: 1px solid var(--lk-border);
}

.system-switch__meta {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.system-switch__eyebrow {
  color: var(--lk-muted);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.system-switch__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.system-switch__button {
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--lk-border);
  border-radius: 999px;
  background: transparent;
  color: var(--lk-ink);
  cursor: pointer;
  transition: all 160ms ease;
}

.system-switch__button:hover,
.system-switch__button.is-active {
  border-color: rgba(159, 91, 43, 0.36);
  background: var(--lk-accent);
  color: #fff8f1;
}

.system-switch__hint {
  grid-column: 1 / -1;
  color: var(--lk-muted);
  font-size: 0.82rem;
}

.system-block {
  margin: 1rem 0 1.3rem;
  padding: 1rem 1rem 0.2rem;
  border: 1px solid var(--lk-border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.66);
}

.system-switch-ready .system-block[hidden] {
  display: none !important;
}

.system-block.is-active {
  border-color: rgba(159, 91, 43, 0.24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.system-block > h3:first-child,
.system-block > h4:first-child {
  margin-top: 0;
}

.value-table table {
  width: 100%;
}

.verification-card {
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--lk-accent);
  border-radius: 14px;
  background: rgba(159, 91, 43, 0.08);
}

.command-note {
  color: var(--lk-muted);
  font-size: 0.85rem;
}

@media screen and (max-width: 76.2344em) {
  .md-content__inner {
    padding: 1.3rem 1.1rem 1.8rem;
    border-radius: 22px;
  }

  .system-switch {
    grid-template-columns: 1fr;
  }
}