/* Cleaned fourth-round build: simplify layout rhythm, typography, and content entry modules */
/* =========================================================
   1. 主题变量
   ========================================================= */

@font-face {
  font-family: "Inter Variable";
  src: url("../assets/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../assets/fonts/IBMPlexMono-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --site-text-color: #1f2937;
  --site-heading-color: #111827;
  --site-muted-text-color: #526071;

  --site-page-bg: linear-gradient(180deg, #f8fafc 0%, #f8fafc 26rem, #f5f7fa 100%);
  --site-overscroll-bg: var(--site-page-bg);
  --site-footer-shell-bg: linear-gradient(135deg, #0b1020 0%, #0f172a 48%, #111827 100%);

  --site-body-font: "Source Han Sans SC", "PingFang SC", "Noto Sans CJK SC", "Hiragino Sans GB", "Microsoft YaHei", "Inter Variable", sans-serif;
  --site-heading-font: "Inter Variable", "IBM Plex Sans", "Source Han Sans SC", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --site-nav-font: "Inter Variable", "IBM Plex Sans", "Source Han Sans SC", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --site-code-font: "IBM Plex Mono", "Roboto Mono", "SFMono-Regular", Consolas, Menlo, monospace;
  --md-text-font: var(--site-body-font);
  --md-code-font: var(--site-code-font);

  --site-shell-max-width: 94rem;
  --site-sidebar-width: 12.75rem;
  --site-toc-width: 13rem;
  --site-content-max-width: 68rem;
  --site-shell-padding-left: 2rem;
  --site-shell-padding-right: 2rem;
  --site-sidebar-gap: 2rem;
  --site-toc-gap: 2.35rem;
  --site-toc-divider: rgba(148, 163, 184, 0.26);
  --site-toc-divider-shadow: 16px 0 34px rgba(148, 163, 184, 0.12);

  --site-header-height: 66px;
  --site-header-search-height: 42px;
  --site-tabs-min-height: 54px;
  --site-tabs-link-height: 40px;
  --site-tabs-link-min-width: 74px;
  --site-tabs-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --site-tabs-collapse-shift: calc(-1 * var(--site-tabs-min-height) - 0.08rem);
  --site-sticky-sidebar-top: calc(var(--site-header-height) + var(--site-tabs-min-height) + 1rem);
  --site-sticky-sidebar-top-collapsed: calc(var(--site-header-height) + 0.95rem);
  --site-toc-sticky-top: calc(var(--site-header-height) + var(--site-tabs-min-height) + 2.45rem);
  --site-toc-sticky-top-collapsed: calc(var(--site-header-height) + 1.95rem);
  --site-top-button-top: calc(var(--site-header-height) + var(--site-tabs-min-height) + 0.02rem);
  --site-top-button-top-collapsed: calc(var(--site-header-height) + 0.02rem);
  --site-top-button-inset: clamp(1rem, 2vw, 2rem);
  --site-footer-height: 82px;
  --site-sticky-bottom-clearance: max(clamp(6.5rem, 10vh, 8.75rem), calc(var(--site-footer-height) + env(safe-area-inset-bottom, 0px) + 1rem));
  --site-toc-max-height: calc(100dvh - var(--site-toc-sticky-top) - var(--site-sticky-bottom-clearance));
  --site-toc-max-height-collapsed: calc(100dvh - var(--site-toc-sticky-top-collapsed) - var(--site-sticky-bottom-clearance));

  --site-codebar-height: calc(54px - 0.1cm);
  --site-code-dot-size: 16.6px;
  --site-code-dot-gap: 27px;
  --site-code-dot-top: calc((var(--site-codebar-height) - var(--site-code-dot-size)) / 2);
  --site-code-dot-left: 19px;
  --site-code-label-left: calc(var(--site-code-dot-left) + var(--site-code-dot-size) * 3 + 42px);
  --site-code-label-right: 7.4rem;
  --site-code-lineno-width: 3.05rem;
  --site-code-line-padding-left: 3.55rem;
  --site-code-header-bg: linear-gradient(180deg, rgba(237, 240, 244, 0.995), rgba(228, 232, 237, 0.985));
  --site-code-header-border: rgba(176, 182, 190, 0.11);
  --site-code-copy-top: calc(3px + 0.18cm);
  --site-code-copy-right: calc(8px + 0.18cm);

  --site-sidebar-nested-border: rgba(148, 163, 184, 0.16);
  --site-sidebar-active-bg: transparent;
  --site-sidebar-active-border: rgba(15, 23, 42, 0.22);
  --site-sidebar-active-shadow: none;
  --site-sidebar-active-text: #111827;
  --site-sidebar-toggle-bg: rgba(255, 255, 255, 0.86);
  --site-sidebar-toggle-border: rgba(99, 102, 241, 0.12);
  --site-sidebar-toggle-shadow: 0 14px 28px rgba(148, 163, 184, 0.16);
  --site-sidebar-toggle-text: #1f2937;
  --site-sidebar-toggle-size: 40px;
  --site-sidebar-toggle-gap: 14px;

  --site-table-bg: linear-gradient(180deg, rgba(245, 248, 252, 0.992), rgba(239, 243, 248, 0.978));
  --site-table-header-bg: linear-gradient(180deg, rgba(243, 246, 250, 0.99), rgba(236, 240, 245, 0.985));
  --site-table-body-bg: linear-gradient(180deg, rgba(245, 248, 252, 0.992), rgba(239, 243, 248, 0.978));
  --site-table-border: rgba(203, 213, 225, 0.48);
  --site-table-row-border: rgba(148, 163, 184, 0.14);
  --site-table-row-hover: linear-gradient(180deg, rgba(241, 245, 250, 0.995), rgba(235, 240, 246, 0.985));
  --site-table-row-alt: linear-gradient(180deg, rgba(243, 247, 251, 0.994), rgba(238, 242, 247, 0.982));
  --site-table-column-divider: rgba(203, 213, 225, 0.24);
  --site-table-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.74),
    0 0 0 1px rgba(255, 255, 255, 0.34),
    0 16px 36px rgba(148, 163, 184, 0.10),
    0 6px 16px rgba(148, 163, 184, 0.07);
  --site-table-code-bg: rgba(232, 237, 244, 0.92);
  --site-table-code-border: rgba(203, 213, 225, 0.34);
  --site-table-code-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.66);
  --site-table-first-col-bg: var(--site-table-body-bg);
  --site-table-first-col-hover-bg: var(--site-table-row-hover);
  --site-table-head-shadow: inset 0 -1px 0 rgba(203, 213, 225, 0.18);
  --site-table-radius: 20px;
  --site-table-cell-padding-y: 1.08rem;
  --site-table-cell-padding-x: 1.2rem;
  --site-table-blur: 22px;
  --site-table-saturate: 160%;
  --site-table-sheen:
    radial-gradient(circle at 12% 10%, rgba(255, 255, 255, 0.28), transparent 26%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02) 42%, rgba(255, 255, 255, 0.01));
  --site-fact-table-label-bg: linear-gradient(180deg, rgba(244, 247, 255, 0.95), rgba(238, 244, 255, 0.92));
  --site-fact-table-label-hover-bg: linear-gradient(180deg, rgba(239, 244, 255, 0.98), rgba(231, 239, 255, 0.95));
  --site-fact-table-value-bg: rgba(255, 255, 255, 0.68);
  --site-fact-table-value-hover-bg: rgba(248, 250, 255, 0.86);
  --site-fact-table-accent: rgba(79, 99, 220, 0.12);

  --site-section-spacing: 2.25rem;
  --site-block-spacing: 1rem;
}

[data-md-color-scheme="slate"] {
  --site-text-color: #e5e7eb;
  --site-heading-color: #f8fafc;
  --site-muted-text-color: #c7d1df;

  --site-page-bg: linear-gradient(180deg, #0f172a 0%, #0f172a 22rem, #111827 100%);
  --site-overscroll-bg: var(--site-page-bg);
  --site-footer-shell-bg: linear-gradient(135deg, #020617 0%, #0f172a 50%, #111827 100%);

  --site-code-header-bg: linear-gradient(180deg, rgba(64, 67, 72, 0.99), rgba(50, 53, 58, 0.98));
  --site-code-header-border: rgba(128, 135, 144, 0.14);

  --site-sidebar-nested-border: rgba(148, 163, 184, 0.18);
  --site-sidebar-active-bg: transparent;
  --site-sidebar-active-border: rgba(148, 163, 184, 0.12);
  --site-sidebar-active-shadow: none;
  --site-sidebar-active-text: #ffffff;
  --site-sidebar-toggle-bg: rgba(15, 23, 42, 0.84);
  --site-sidebar-toggle-border: rgba(96, 165, 250, 0.18);
  --site-sidebar-toggle-shadow: 0 16px 30px rgba(2, 6, 23, 0.28);
  --site-sidebar-toggle-text: #f8fafc;

  --site-table-bg:
    linear-gradient(180deg, rgba(26, 29, 34, 0.99), rgba(31, 35, 41, 0.97));
  --site-table-header-bg: var(--site-code-header-bg);
  --site-table-body-bg: linear-gradient(180deg, rgba(26, 29, 34, 0.99), rgba(31, 35, 41, 0.97));
  --site-table-border: rgba(148, 163, 184, 0.20);
  --site-table-row-border: rgba(148, 163, 184, 0.10);
  --site-table-row-hover: linear-gradient(180deg, rgba(33, 37, 44, 0.995), rgba(37, 42, 49, 0.982));
  --site-table-row-alt: linear-gradient(180deg, rgba(29, 33, 39, 0.992), rgba(34, 38, 45, 0.978));
  --site-table-column-divider: rgba(148, 163, 184, 0.10);
  --site-table-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 22px 48px rgba(2, 6, 23, 0.24),
    0 8px 18px rgba(2, 6, 23, 0.14);
  --site-table-code-bg: rgba(255, 255, 255, 0.08);
  --site-table-code-border: rgba(148, 163, 184, 0.16);
  --site-table-code-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  --site-table-first-col-bg: var(--site-table-body-bg);
  --site-table-first-col-hover-bg: var(--site-table-row-hover);
  --site-table-head-shadow: inset 0 -1px 0 rgba(148, 163, 184, 0.12);
  --site-table-blur: 20px;
  --site-table-saturate: 155%;
  --site-table-sheen:
    radial-gradient(circle at 12% 10%, rgba(255, 255, 255, 0.10), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01) 42%, rgba(96, 165, 250, 0.04));
  --site-fact-table-label-bg: linear-gradient(180deg, rgba(20, 31, 52, 0.94), rgba(17, 24, 39, 0.90));
  --site-fact-table-label-hover-bg: linear-gradient(180deg, rgba(24, 37, 62, 0.98), rgba(19, 29, 49, 0.96));
  --site-fact-table-value-bg: rgba(255, 255, 255, 0.03);
  --site-fact-table-value-hover-bg: rgba(255, 255, 255, 0.06);
  --site-fact-table-accent: rgba(96, 165, 250, 0.14);
}

/* =========================================================
   2. 全局页面骨架
   ========================================================= */

html {
  min-height: 100%;
  background: var(--site-overscroll-bg);
  overscroll-behavior-y: none;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--site-overscroll-bg);
  background-color: var(--md-default-bg-color);
  overflow-x: clip;
  overscroll-behavior-y: none;
}

.md-container {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
  background: var(--site-page-bg);
  isolation: isolate;
}

.md-tabs {
  flex: 0 0 auto;
  height: var(--site-tabs-min-height);
  min-height: var(--site-tabs-min-height);
}

.md-main {
  flex: 1 0 auto;
  position: relative;
  z-index: 1;
  overflow: visible;
  min-height: 0;
  display: block;
}

.md-main::before,
.md-main::after {
  content: none;
}

.md-main__inner {
  position: relative;
  z-index: 1;
  isolation: isolate;
  margin-top: 0.55rem;
  margin-bottom: 0;
  gap: 0.9rem;
  max-width: 92rem;
  overflow-x: clip;
  overflow-y: visible;
  height: auto;
  min-height: 0;
  align-content: start;
}

.md-main__inner::before {
  content: none;
}

.md-main__inner::after {
  content: none;
}

.md-content {
  position: relative;
}

.md-content,
.md-content__inner {
  min-height: 0;
}

.site-sidebar-toggle {
  display: none;
}

.site-toc-toggle {
  display: none;
}

.md-content__inner {
  padding-bottom: 2rem;
}

.md-content__inner::after {
  content: "";
  display: block;
  height: clamp(120px, 14vh, 180px);
}

.md-content::before {
  content: none;
}

@media screen and (min-width: 76.25em) {
  .md-main__inner.md-grid {
    display: grid;
    grid-template-columns: var(--site-sidebar-width) minmax(0, 1fr) var(--site-toc-width);
    grid-template-areas: "sidebar content toc";
    grid-template-rows: auto;
    column-gap: var(--site-sidebar-gap);
    row-gap: 0;
    align-items: start;
    align-content: start;
    grid-auto-rows: auto;
    max-width: var(--site-shell-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--site-shell-padding-left);
    padding-right: var(--site-shell-padding-right);
    box-sizing: border-box;
    overflow: visible;
  }

  .md-grid {
    max-width: var(--site-shell-max-width);
    padding-left: calc(var(--site-shell-padding-left) + 0.25rem);
    padding-right: calc(var(--site-shell-padding-right) + 0.25rem);
    box-sizing: border-box;
  }

  .md-content {
    grid-area: content;
    grid-column: 2;
    grid-row: 1;
    max-width: none;
    width: 100%;
    margin: 0;
    padding-top: 0;
    padding-left: 0;
    align-self: start;
  }

  .md-content__inner {
    max-width: var(--site-content-max-width);
    margin: 0;
    padding-top: 0;
    padding-left: 0;
  }

  .md-sidebar--primary {
    align-self: start;
    padding-top: 0.1rem;
  }

  .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary {
    padding-right: 1.08rem;
    border-right: 1px solid rgba(148, 163, 184, 0.14);
  }

  .md-sidebar--secondary {
    --site-current-toc-max-height: var(--site-toc-max-height);
    display: block;
    grid-area: toc;
    grid-column: 3;
    grid-row: 1;
    align-self: start;
    margin: 0;
    padding: 0.25rem 0 0;
    width: var(--site-toc-width);
    min-width: var(--site-toc-width);
    max-width: var(--site-toc-width);
    box-sizing: border-box;
    position: sticky;
    top: var(--site-toc-sticky-top);
    right: auto;
    z-index: 4;
    overflow: visible;
    transition: top 0.34s var(--site-tabs-ease);
  }

  html.site-tabs-collapsed .md-sidebar--secondary {
    top: var(--site-toc-sticky-top-collapsed);
    --site-current-toc-max-height: var(--site-toc-max-height-collapsed);
  }

  .md-sidebar--secondary .md-sidebar__scrollwrap,
  .md-sidebar--secondary .md-sidebar__inner {
    position: static;
    min-height: 0;
    height: auto;
    max-height: none;
    background: transparent;
    box-shadow: none;
    border: 0;
  }

  .md-sidebar--secondary .md-sidebar__scrollwrap {
    overflow: visible;
  }

  .md-sidebar--secondary .md-sidebar__inner {
    position: relative;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    max-height: calc(var(--site-current-toc-max-height) - 0.25rem);
    overflow: hidden;
    padding-top: 0.65rem;
  }

  .md-sidebar--secondary .md-nav--secondary,
  .md-sidebar--secondary .md-nav[data-md-level="1"] {
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    top: auto;
    display: block;
    padding: 0.08rem 0 0.3rem 0.78rem;
    border-radius: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    max-height: none;
    overflow-x: visible;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  html.site-tabs-collapsed .md-sidebar--secondary .md-nav--secondary,
  html.site-tabs-collapsed .md-sidebar--secondary .md-nav[data-md-level="1"] {
    max-height: none;
  }

  .md-sidebar--secondary .md-nav--secondary::-webkit-scrollbar,
  .md-sidebar--secondary .md-nav[data-md-level="1"]::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
  }

  .md-sidebar--secondary .md-nav--secondary::before,
  .md-sidebar--secondary .md-nav[data-md-level="1"]::before {
    content: "";
    position: absolute;
    top: 0.24rem;
    bottom: 1rem;
    left: 0.08rem;
    width: 1px;
    background: rgba(148, 163, 184, 0.44);
    box-shadow:
      1px 0 0 rgba(255, 255, 255, 0.76),
      8px 0 16px rgba(226, 232, 240, 0.12);
    opacity: 0.9;
    pointer-events: none;
    border-radius: 999px;
  }

  .md-sidebar--secondary .md-nav__title {
    display: none;
  }

  .md-sidebar--secondary .site-toc-heading {
    position: relative;
    z-index: 1;
    margin: 0 0.9rem 1rem 0.02rem;
    padding: 0.2rem 0 0.82rem;
    border-bottom: 0;
    background: transparent;
  }

  .md-sidebar--secondary .site-toc-heading::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: rgba(203, 213, 225, 0.9);
  }

  .md-sidebar--secondary .site-toc-heading__eyebrow {
    display: block;
    margin-bottom: 0.4rem;
    color: #64748b;
    font-family: var(--site-nav-font);
    font-size: 0.72rem;
    font-weight: 650;
    line-height: 1.2;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .md-sidebar--secondary .site-toc-heading__title {
    display: block;
    color: #334155;
    font-family: var(--site-heading-font);
    font-size: 0.92rem;
    font-weight: 720;
    line-height: 1.28;
    letter-spacing: -0.02em;
    white-space: normal;
    overflow-wrap: anywhere;
    text-wrap: balance;
  }

  .md-sidebar--secondary .md-nav__list {
    gap: 0.18rem;
    padding-left: 0;
    margin: 0;
    list-style: none;
  }

  .md-sidebar--secondary .md-nav > .md-nav__list > .md-nav__item > .md-nav {
    display: none;
  }

  .md-sidebar--secondary .md-nav__item {
    margin: 0;
    position: relative;
  }

  .md-sidebar--secondary .md-nav .md-nav__list {
    padding-left: 0;
    margin: 0;
    list-style: none;
  }

  .md-sidebar--secondary .md-nav__item > .md-nav > .md-nav__list {
    gap: 0.12rem;
  }

  .md-sidebar--secondary .md-nav__link {
    display: block;
    width: 100%;
    margin: 0;
    padding: 0.34rem 0.68rem;
    border: 1px solid transparent;
    border-radius: 14px;
    background: transparent;
    box-shadow: none;
    color: #738090;
    font-family: var(--site-nav-font);
    font-size: 0.76rem;
    font-weight: 560;
    line-height: 1.42;
    letter-spacing: -0.01em;
    transition:
      background 0.05s linear,
      color 0.05s linear,
      border-color 0.05s linear,
      box-shadow 0.05s linear;
  }

  .md-sidebar--secondary .md-nav__item .md-nav__link:hover,
  .md-sidebar--secondary .md-nav__item .md-nav__link:focus-visible {
    color: #334155;
    background: rgba(248, 250, 252, 0.7);
    border-color: rgba(226, 232, 240, 0.78);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.7),
      0 8px 18px rgba(226, 232, 240, 0.1);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transform: none;
  }

  .md-sidebar--secondary .md-nav__item .md-nav__link--active,
  .md-sidebar--secondary .md-nav__item .md-nav__link--passed,
  .md-sidebar--secondary .md-nav__item .md-nav__link.site-toc-link--current,
  .md-sidebar--secondary .md-nav__item .md-nav__link:focus:not(:focus-visible) {
    color: inherit;
    border-color: transparent;
    background: transparent;
    box-shadow: none;
    font-weight: 650;
    transform: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

.site-toc-toggle__icon {
  position: relative;
  display: inline-block;
  width: 1.08rem;
  height: 0.74rem;
}

.site-toc-toggle__icon::before {
  content: "";
  position: absolute;
  left: 0.26rem;
  right: 0;
  top: 0.04rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  box-shadow:
      0 0.26rem 0 currentColor,
      0 0.52rem 0 currentColor;
}

.site-toc-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0.05rem;
  width: 0.13rem;
  height: 0.13rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow:
      0 0.26rem 0 currentColor,
      0 0.52rem 0 currentColor;
}

  .site-toc-toggle__text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .site-sidebar-toggle__icon {
    position: relative;
    display: inline-block;
    width: 0.92rem;
    height: 0.72rem;
    flex: 0 0 auto;
  }

  .site-sidebar-toggle__icon::before {
    content: "";
    position: absolute;
    top: 0.02rem;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    box-shadow: 0 0.28rem 0 currentColor, 0 0.56rem 0 currentColor;
  }

  .site-sidebar-toggle__text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  html.sidebar-collapsed .md-sidebar--primary,
  html.page-home .md-sidebar--primary {
    display: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  html.sidebar-collapsed .md-main__inner.md-grid {
    grid-template-columns: minmax(0, 1fr) var(--site-toc-width);
    grid-template-areas: "content toc";
    column-gap: var(--site-toc-gap);
  }

  html.sidebar-collapsed .md-content,
  html.page-home .md-content {
    grid-column: 1;
    margin-left: 0;
  }

  html.sidebar-collapsed .md-content__inner {
    max-width: 78rem;
  }

  html.toc-collapsed .md-main__inner.md-grid,
  html.toc-empty .md-main__inner.md-grid,
  html.page-overview .md-main__inner.md-grid {
    grid-template-columns: var(--site-sidebar-width) minmax(0, 1fr);
    grid-template-areas: "sidebar content";
  }

  html.toc-collapsed .md-sidebar--secondary,
  html.toc-empty .md-sidebar--secondary,
  html.page-home .md-sidebar--secondary,
  html.page-overview .md-sidebar--secondary {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    width: 0;
    min-width: 0;
    max-width: 0;
    padding: 0;
    overflow: hidden;
  }

  html.page-home .md-main__inner.md-grid,
  html.sidebar-collapsed.toc-collapsed .md-main__inner.md-grid,
  html.sidebar-collapsed.toc-empty .md-main__inner.md-grid,
  html.page-home.toc-collapsed .md-main__inner.md-grid,
  html.page-home.toc-empty .md-main__inner.md-grid {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "content";
    column-gap: 0;
  }

  html.sidebar-collapsed.toc-collapsed .md-content,
  html.sidebar-collapsed.toc-empty .md-content,
  html.page-home.toc-collapsed .md-content,
  html.page-home.toc-empty .md-content {
    grid-column: 1;
    margin-left: 0;
  }

  html.page-home .md-content__inner,
  html.sidebar-collapsed.toc-collapsed .md-content__inner,
  html.sidebar-collapsed.toc-empty .md-content__inner,
  html.page-home.toc-collapsed .md-content__inner,
  html.page-home.toc-empty .md-content__inner {
    max-width: 84rem;
  }

  [data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav__link {
    color: #b6c2d1;
  }

  [data-md-color-scheme="slate"] .md-sidebar--secondary .site-toc-heading {
    background: transparent;
  }

  [data-md-color-scheme="slate"] .md-sidebar--secondary .site-toc-heading::after {
    background: rgba(71, 85, 105, 0.82);
  }

  [data-md-color-scheme="slate"] .md-sidebar--secondary .site-toc-heading__eyebrow {
    color: #cbd5e1;
  }

  [data-md-color-scheme="slate"] .md-sidebar--secondary .site-toc-heading__title {
    color: #e2e8f0;
  }

  [data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav__item .md-nav__link:hover,
  [data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav__item .md-nav__link:focus-visible {
    color: #f8fafc;
    background: rgba(30, 41, 59, 0.52);
    border-color: rgba(148, 163, 184, 0.18);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.06),
      0 10px 20px rgba(2, 6, 23, 0.14);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transform: none;
  }

  [data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav__item .md-nav__link--active,
  [data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav__item .md-nav__link--passed,
  [data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav__item .md-nav__link.site-toc-link--current,
  [data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav__item .md-nav__link:focus:not(:focus-visible) {
    color: inherit;
    border-color: transparent;
    background: transparent;
    box-shadow: none;
    transform: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  [data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav--secondary::before,
  [data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav[data-md-level="1"]::before {
    background: rgba(148, 163, 184, 0.46);
    box-shadow:
      1px 0 0 rgba(255, 255, 255, 0.06),
      8px 0 16px rgba(15, 23, 42, 0.14);
  }

  [data-md-color-scheme="slate"] .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary {
    border-right-color: rgba(148, 163, 184, 0.14);
  }

}

/* =========================================================
   3. 正文排版与通用内容样式
   ========================================================= */

.md-typeset {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--site-text-color);
  font-family: var(--site-body-font);
  font-feature-settings: "kern", "liga", "calt";
}

.md-content .md-typeset :is(h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]) {
  scroll-margin-top: calc(var(--site-sticky-sidebar-top) - 0.7rem);
}

.md-typeset :is(h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]) > .headerlink {
  opacity: 0;
  color: var(--md-default-fg-color--lighter);
  transition:
    color 0.22s ease,
    opacity 0.22s ease,
    transform 0.22s ease;
  transform: translateY(0);
}

.md-typeset :is(h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]):target > .headerlink {
  opacity: 0;
  color: var(--md-default-fg-color--lighter);
}

.md-typeset :is(h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]).site-heading-target--active > .headerlink,
.md-typeset :is(h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]) > .headerlink.site-heading-link--active {
  opacity: 1;
  color: rgba(99, 102, 241, 0.94);
}

[data-md-color-scheme="slate"] .md-typeset :is(h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]):target > .headerlink {
  opacity: 0;
  color: var(--md-default-fg-color--lighter);
}

[data-md-color-scheme="slate"] .md-typeset :is(h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]).site-heading-target--active > .headerlink,
[data-md-color-scheme="slate"] .md-typeset :is(h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]) > .headerlink.site-heading-link--active {
  color: rgba(129, 140, 248, 0.98);
}

.md-typeset h1 {
  display: block;
  padding: 0;
  margin: 0 0 1.1rem;
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 760;
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: var(--site-heading-color);
  font-family: var(--site-heading-font);
  text-wrap: balance;
}

.md-typeset h1::after {
  content: none;
}

.md-typeset h2 {
  margin-top: var(--site-section-spacing);
  margin-bottom: 0.8rem;
  padding-left: 0;
  font-weight: 680;
  font-size: 1.24rem;
  line-height: 1.36;
  color: var(--site-heading-color);
  font-family: var(--site-heading-font);
  letter-spacing: -0.025em;
  text-shadow: none;
}

.md-typeset h2::before {
  content: none;
}

.md-typeset h3 {
  display: block;
  margin-top: 1.6rem;
  margin-bottom: 0.6rem;
  font-family: var(--site-heading-font);
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.38;
  letter-spacing: -0.02em;
  color: var(--site-heading-color);
}

.md-typeset h3::before {
  content: none;
}

.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
  font-family: var(--site-heading-font);
  color: var(--site-heading-color);
  letter-spacing: -0.01em;
}

.md-typeset p,
.md-typeset li {
  color: #425063;
  font-size: 1rem;
  line-height: 1.86;
}

.md-typeset p,
.md-typeset ul,
.md-typeset ol,
.md-typeset pre,
.md-typeset .highlight,
.md-typeset hr {
  margin-top: var(--site-block-spacing);
  margin-bottom: var(--site-block-spacing);
}

.md-typeset ul,
.md-typeset ol {
  padding-left: 1.2rem;
}

.md-typeset li + li {
  margin-top: 0.24rem;
}

.md-typeset hr {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.18), rgba(148, 163, 184, 0.08), transparent);
}

.md-typeset blockquote {
  margin: 1rem 0 1.1rem;
  padding: 0 0 0 1rem;
  border-left: 2px solid rgba(148, 163, 184, 0.56);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.md-typeset blockquote p {
  margin: 0;
  color: #374151;
  font-size: 1rem;
  line-height: 1.82;
  font-weight: 500;
}

[data-md-color-scheme="slate"] .md-typeset blockquote {
  border-left-color: rgba(148, 163, 184, 0.62);
  background: transparent;
  box-shadow: none;
}

[data-md-color-scheme="slate"] .md-typeset blockquote p {
  color: rgba(241, 245, 249, 0.96);
}

[data-md-color-scheme="slate"] .md-typeset p,
[data-md-color-scheme="slate"] .md-typeset li {
  color: var(--site-muted-text-color);
}

.md-content__inner > .md-typeset > :where(p, ul, ol, blockquote) {
  max-width: 72ch;
}

.md-content__inner > .md-typeset > h2 + p,
.md-content__inner > .md-typeset > h3 + p {
  margin-top: -0.08rem;
  color: #5d6b7c;
}

.md-typeset strong {
  color: var(--site-heading-color);
  font-weight: 640;
}

[data-md-color-scheme="slate"] .md-content__inner > .md-typeset > h2 + p,
[data-md-color-scheme="slate"] .md-content__inner > .md-typeset > h3 + p {
  color: #b7c3d3;
}

.md-typeset code {
  padding: 0.08em 0.28em;
  border-radius: 0.32rem;
  border: 0;
  background: rgba(15, 23, 42, 0.045);
  color: inherit;
  box-shadow: none;
}

.md-typeset a {
  color: #1d4ed8;
  text-decoration: underline;
  text-decoration-color: rgba(29, 78, 216, 0.24);
  text-underline-offset: 0.16em;
  transition: color 0.18s ease, text-decoration-color 0.18s ease;
}

.md-typeset a:hover,
.md-typeset a:focus-visible {
  color: #1e40af;
  text-decoration-color: rgba(30, 64, 175, 0.42);
}

[data-md-color-scheme="slate"] .md-typeset a {
  color: #93c5fd;
  text-decoration-color: rgba(147, 197, 253, 0.28);
}

[data-md-color-scheme="slate"] .md-typeset a:hover,
[data-md-color-scheme="slate"] .md-typeset a:focus-visible {
  color: #bfdbfe;
  text-decoration-color: rgba(191, 219, 254, 0.44);
}

.md-typeset h1 code,
.md-typeset h2 code,
.md-typeset h3 code,
.md-typeset h4 code,
.md-typeset h5 code,
.md-typeset h6 code {
  padding: 0.04em 0.18em;
  border: none;
  border-radius: 0.3rem;
  background: rgba(99, 102, 241, 0.035);
  color: inherit;
  box-shadow: none;
}

[data-md-color-scheme="slate"] .md-typeset code {
  background: rgba(255, 255, 255, 0.08);
  border: 0;
  box-shadow: none;
  color: inherit;
}

[data-md-color-scheme="slate"] .md-typeset h1 code,
[data-md-color-scheme="slate"] .md-typeset h2 code,
[data-md-color-scheme="slate"] .md-typeset h3 code,
[data-md-color-scheme="slate"] .md-typeset h4 code,
[data-md-color-scheme="slate"] .md-typeset h5 code,
[data-md-color-scheme="slate"] .md-typeset h6 code {
  background: rgba(96, 165, 250, 0.08);
  color: inherit;
}

.md-typeset img,
.md-typeset svg,
.md-typeset figure img {
  border-radius: 12px;
  overflow: hidden;
}

.md-typeset__table {
  position: relative;
  margin: 1.15rem 0 1.35rem;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  border-radius: calc(var(--site-table-radius) + 2px);
  background: transparent;
}

.md-typeset__table::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: calc(var(--site-table-radius) + 2px);
  background: var(--site-table-sheen);
  pointer-events: none;
  z-index: 0;
}

.md-typeset__table table:not([class]),
.md-typeset__table table.fact-table {
  position: relative;
  z-index: 1;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--site-table-border);
  border-radius: var(--site-table-radius);
  border-collapse: separate;
  border-spacing: 0;
  background: var(--site-table-bg);
  box-shadow: var(--site-table-shadow);
  backdrop-filter: blur(var(--site-table-blur)) saturate(var(--site-table-saturate));
  -webkit-backdrop-filter: blur(var(--site-table-blur)) saturate(var(--site-table-saturate));
  table-layout: auto;
}

.md-typeset__table table:not([class]) thead,
.md-typeset__table table.fact-table thead {
  background: var(--site-table-header-bg);
  box-shadow: var(--site-table-head-shadow);
}

.md-typeset__table table:not([class]) th,
.md-typeset__table table:not([class]) td,
.md-typeset__table table.fact-table th,
.md-typeset__table table.fact-table td {
  padding: var(--site-table-cell-padding-y) var(--site-table-cell-padding-x);
  border-top: 0;
  border-left: 0;
  border-right: 0;
  border-bottom: 1px solid var(--site-table-row-border);
  vertical-align: middle;
  background-clip: padding-box;
  background: transparent;
}

.md-typeset__table table:not([class]) th,
.md-typeset__table table.fact-table th {
  color: var(--site-heading-color);
  font-family: var(--site-heading-font);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.018em;
  text-align: left;
  white-space: nowrap;
  background: var(--site-table-header-bg);
}

.md-typeset__table table:not([class]) td,
.md-typeset__table table.fact-table td {
  color: var(--site-text-color);
  font-size: 1rem;
  line-height: 1.7;
  overflow-wrap: anywhere;
  word-break: break-word;
  background: var(--site-table-body-bg);
}

.md-typeset__table table:not([class]) tbody tr:last-child td,
.md-typeset__table table.fact-table tbody tr:last-child td {
  border-bottom: 0;
}

.md-typeset__table table:not([class]) thead th:first-child,
.md-typeset__table table.fact-table thead th:first-child {
  border-top-left-radius: var(--site-table-radius);
}

.md-typeset__table table:not([class]) thead th:last-child,
.md-typeset__table table.fact-table thead th:last-child {
  border-top-right-radius: var(--site-table-radius);
}

.md-typeset__table table:not([class]) tbody tr:last-child td:first-child,
.md-typeset__table table.fact-table tbody tr:last-child td:first-child {
  border-bottom-left-radius: var(--site-table-radius);
}

.md-typeset__table table:not([class]) tbody tr:last-child td:last-child,
.md-typeset__table table.fact-table tbody tr:last-child td:last-child {
  border-bottom-right-radius: var(--site-table-radius);
}

.md-typeset__table table:not([class]) tbody tr,
.md-typeset__table table.fact-table tbody tr {
  transition: background-color 180ms ease, transform 180ms ease;
}

.md-typeset__table table:not([class]) tbody tr:nth-child(even) td,
.md-typeset__table table.fact-table tbody tr:nth-child(even) td {
  background: var(--site-table-row-alt);
}

.md-typeset__table table:not([class]) tbody tr:hover td,
.md-typeset__table table.fact-table tbody tr:hover td {
  background: var(--site-table-row-hover);
}

.md-typeset__table table:not([class]) :is(th, td) code,
.md-typeset__table table.fact-table :is(th, td) code {
  display: inline-block;
  padding: 0.22em 0.62em;
  border-radius: 999px;
  background: var(--site-table-code-bg);
  border: 1px solid var(--site-table-code-border);
  box-shadow: var(--site-table-code-shadow);
  font-size: 0.94em;
  font-weight: 600;
  line-height: 1.35;
}

.md-typeset__table table:not([class]) td:first-child,
.md-typeset__table table.fact-table td:first-child {
  font-weight: 560;
}

.md-typeset__table table:not([class]) th:first-child,
.md-typeset__table table:not([class]) td:first-child {
  width: 34%;
  min-width: 10.5rem;
}

.md-typeset__table table:not([class]) :is(th, td) + :is(th, td),
.md-typeset__table table.fact-table :is(th, td) + :is(th, td) {
  border-left: 1px solid var(--site-table-column-divider);
}

.md-typeset__table table:not([class]) tbody td:first-child {
  background: var(--site-table-first-col-bg);
  color: var(--site-heading-color);
  font-weight: 700;
}

.md-typeset__table table:not([class]) tbody tr:hover td:first-child {
  background: var(--site-table-first-col-hover-bg);
}

.md-typeset__table table:not([class]) tbody td:first-child code {
  font-size: 0.98em;
  letter-spacing: -0.01em;
}

.md-typeset__table table.fact-table {
  min-width: 0;
}

.md-typeset__table table.fact-table th:first-child,
.md-typeset__table table.fact-table td:first-child {
  width: 28%;
  min-width: 9.5rem;
}

.md-typeset__table table.fact-table :is(th, td) + :is(th, td) {
  border-left: 1px solid var(--site-table-column-divider);
}

.md-typeset__table table.fact-table thead th {
  padding-top: 1.05rem;
  padding-bottom: 1.05rem;
}

.md-typeset__table table.fact-table tbody td:first-child {
  background:
    linear-gradient(180deg, transparent, transparent),
    var(--site-fact-table-label-bg);
  box-shadow: inset -1px 0 0 var(--site-table-column-divider);
  font-weight: 700;
  color: var(--site-heading-color);
}

.md-typeset__table table.fact-table tbody td:last-child {
  background:
    linear-gradient(180deg, transparent, transparent),
    var(--site-fact-table-value-bg);
}

.md-typeset__table table.fact-table tbody tr:hover td:first-child {
  background:
    linear-gradient(180deg, transparent, transparent),
    var(--site-fact-table-label-hover-bg);
}

.md-typeset__table table.fact-table tbody tr:hover td:last-child {
  background:
    linear-gradient(180deg, transparent, transparent),
    var(--site-fact-table-value-hover-bg);
}

.md-typeset__table table.fact-table :is(th, td) code {
  max-width: 100%;
  white-space: normal;
  word-break: break-all;
}

.md-typeset__table table.fact-table tbody tr:first-child td:first-child {
  box-shadow:
    inset -1px 0 0 var(--site-table-column-divider),
    inset 4px 0 0 var(--site-fact-table-accent);
}

@media screen and (max-width: 76.1875em) {
  .md-typeset__table {
    margin-left: -0.15rem;
    margin-right: -0.15rem;
  }

  .md-typeset__table table:not([class]) th,
  .md-typeset__table table:not([class]) td,
  .md-typeset__table table.fact-table th,
  .md-typeset__table table.fact-table td {
    padding: 0.92rem 1rem;
  }

  .md-typeset__table table:not([class]) th:first-child,
  .md-typeset__table table:not([class]) td:first-child,
  .md-typeset__table table.fact-table th:first-child,
  .md-typeset__table table.fact-table td:first-child {
    width: 11rem;
  }
}

@media screen and (max-width: 44.9375em) {
  .md-typeset__table table.fact-table {
    min-width: 34rem;
  }
}

.md-typeset .comparison-table {
  margin: 1.3rem 0 1.7rem;
}

.md-typeset .comparison-table .comparison-table__table {
  width: 100%;
  border: 0;
  border-collapse: separate;
  border-spacing: 0 0.82rem;
  background: transparent;
  box-shadow: none;
}

.md-typeset .comparison-table .comparison-table__table thead th {
  padding: 0 1rem 0.15rem;
  border: 0;
  background: transparent;
  color: var(--site-muted-text-color);
  font-family: var(--site-heading-font);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.03em;
  text-align: left;
  text-transform: uppercase;
}

.md-typeset .comparison-table .comparison-table__table tbody td {
  padding: 1rem 1.05rem;
  border: 0;
  vertical-align: middle;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(248, 250, 252, 0.76));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 10px 24px rgba(148, 163, 184, 0.10);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.md-typeset .comparison-table .comparison-table__table tbody td:first-child {
  border-radius: 18px 0 0 18px;
  box-shadow:
    inset 4px 0 0 rgba(79, 99, 220, 0.82),
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 10px 24px rgba(148, 163, 184, 0.10);
}

.md-typeset .comparison-table .comparison-table__table tbody td:last-child {
  border-radius: 0 18px 18px 0;
}

.md-typeset .comparison-table .comparison-table__table tbody tr:hover td {
  transform: translateY(-1px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(243, 247, 255, 0.82));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 14px 28px rgba(148, 163, 184, 0.12);
}

.md-typeset .comparison-table .comparison-table__table tbody tr:hover td:first-child {
  box-shadow:
    inset 4px 0 0 rgba(79, 99, 220, 0.96),
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 14px 28px rgba(148, 163, 184, 0.12);
}

.md-typeset .comparison-table__kinds {
  display: flex;
  flex-wrap: wrap;
  gap: 0.48rem;
}

.md-typeset .comparison-table__pill {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  background: rgba(79, 99, 220, 0.09);
  border: 1px solid rgba(79, 99, 220, 0.12);
  color: var(--site-heading-color);
  font-family: var(--md-code-font-family, "Roboto Mono", monospace);
  font-size: 0.84rem;
  font-weight: 650;
  line-height: 1.25;
}

.md-typeset .comparison-table__pill--muted {
  background: rgba(148, 163, 184, 0.10);
  border-color: rgba(148, 163, 184, 0.16);
  color: var(--site-muted-text-color);
}

.md-typeset .comparison-table .comparison-table__table td code {
  padding: 0.08em 0.38em;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.05);
  font-size: 0.92em;
}

.md-typeset .comparison-table .comparison-table__table td strong {
  color: var(--site-heading-color);
  font-weight: 760;
}

[data-md-color-scheme="slate"] .md-typeset .comparison-table .comparison-table__table thead th {
  color: rgba(203, 213, 225, 0.86);
}

[data-md-color-scheme="slate"] .md-typeset .comparison-table .comparison-table__table tbody td {
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(17, 24, 39, 0.84));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 14px 28px rgba(2, 6, 23, 0.22);
}

[data-md-color-scheme="slate"] .md-typeset .comparison-table .comparison-table__table tbody td:first-child {
  box-shadow:
    inset 4px 0 0 rgba(125, 211, 252, 0.92),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 14px 28px rgba(2, 6, 23, 0.22);
}

[data-md-color-scheme="slate"] .md-typeset .comparison-table .comparison-table__table tbody tr:hover td {
  background:
    linear-gradient(180deg, rgba(22, 31, 49, 0.92), rgba(18, 26, 41, 0.88));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 18px 30px rgba(2, 6, 23, 0.26);
}

[data-md-color-scheme="slate"] .md-typeset .comparison-table .comparison-table__table tbody tr:hover td:first-child {
  box-shadow:
    inset 4px 0 0 rgba(125, 211, 252, 1),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 18px 30px rgba(2, 6, 23, 0.26);
}

[data-md-color-scheme="slate"] .md-typeset .comparison-table__pill {
  background: rgba(96, 165, 250, 0.12);
  border-color: rgba(96, 165, 250, 0.16);
  color: #e5eefb;
}

[data-md-color-scheme="slate"] .md-typeset .comparison-table__pill--muted {
  background: rgba(148, 163, 184, 0.10);
  border-color: rgba(148, 163, 184, 0.14);
  color: #cbd5e1;
}

[data-md-color-scheme="slate"] .md-typeset .comparison-table .comparison-table__table td code {
  background: rgba(255, 255, 255, 0.08);
}

@media screen and (max-width: 76.1875em) {
  .md-typeset .comparison-table .comparison-table__table thead th,
  .md-typeset .comparison-table .comparison-table__table tbody td {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }
}

/* =========================================================
   4. 顶部 Header / Tabs
   ========================================================= */

.md-header {
  position: sticky;
  top: 0;
  z-index: 20;
  margin-bottom: 0;
  border-bottom: 0;
  background: linear-gradient(135deg, rgba(63, 81, 181, 0.94), rgba(79, 70, 229, 0.94));
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.14);
}

.md-header::after {
  content: none;
}

.md-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.12),
    transparent 20%,
    transparent 78%,
    rgba(255, 255, 255, 0.08)
  );
  opacity: 0.9;
}

.md-header__inner {
  display: flex;
  align-items: center;
  min-height: var(--site-header-height);
  padding-left: 0;
  padding-right: 0;
}

.md-header .md-grid {
  padding-left: calc(1.08rem + 0.4cm);
  padding-right: 0.96rem;
}

.md-header__option {
  display: inline-flex;
  align-items: center;
}

.site-sidebar-toggle.md-header__button,
.site-toc-toggle.md-header__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  margin: 0 0.28rem 0 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.98);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  cursor: pointer;
  appearance: none;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.site-sidebar-toggle.md-header__button:hover,
.site-sidebar-toggle.md-header__button:focus-visible,
.site-toc-toggle.md-header__button:hover,
.site-toc-toggle.md-header__button:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 8px 18px rgba(15, 23, 42, 0.18);
}

.site-toc-toggle.md-header__button {
  margin: 0 0.28rem 0 0;
  position: static;
  right: auto;
  top: auto;
  z-index: auto;
}

html.page-home .site-sidebar-toggle.md-header__button,
html.page-home .site-toc-toggle.md-header__button,
html.page-overview .site-toc-toggle.md-header__button {
  display: none;
}

.md-header__option[data-md-component="palette"] {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  margin: 0 0.28rem 0 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.98);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.md-header__option[data-md-component="palette"] .md-option,
.md-header__option[data-md-component="palette"] > .md-header__button.md-icon {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  pointer-events: none;
}

.md-header__option[data-md-component="palette"]:hover,
.md-header__option[data-md-component="palette"]:focus-within {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 8px 18px rgba(15, 23, 42, 0.18);
}

.site-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
  box-shadow: none;
  color: rgba(255, 255, 255, 0.98);
  cursor: pointer;
  appearance: none;
  transition: none;
}

.site-theme-toggle:hover,
.site-theme-toggle:focus-visible {
  background: transparent;
  border-color: transparent;
  transform: none;
  box-shadow: none;
}

.site-theme-toggle svg {
  width: 24px;
  height: 24px;
  display: block;
  fill: currentColor;
}

.md-tabs .md-grid {
  display: flex;
  align-items: center;
  min-height: 0;
  padding-left: 1.08rem;
  padding-right: 0.96rem;
  overflow: visible;
}

.md-header__title,
.md-header__topic,
.md-header__ellipsis {
  color: rgba(255, 255, 255, 0.98);
}

.md-header__topic,
.md-header__ellipsis {
  display: flex;
  align-items: center;
  min-height: var(--site-header-height);
  white-space: nowrap;
}

.md-header__topic {
  will-change: transform, opacity;
}

.md-header__button.md-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  width: 52px;
  height: 52px;
  margin: 0 0.22rem 0 0.04rem;
  padding: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  transform: none;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  width: 28px;
  height: 28px;
  display: block;
}

.md-header__title {
  display: flex;
  align-items: center;
  min-width: 0;
  min-height: 40px;
  margin: 0;
  padding: 0;
  line-height: 1;
  font-size: 0.9rem;
  font-weight: 760;
  letter-spacing: -0.01em;
  position: static;
}

.md-header__topic .md-ellipsis,
.md-header__title .md-ellipsis {
  display: block;
  line-height: 1.1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.md-header__title[data-site-title-ready="true"] .md-header__ellipsis {
  position: relative;
  display: grid;
  align-items: center;
  min-width: 0;
}

.md-header__title[data-site-title-ready="true"] .md-header__topic {
  grid-area: 1 / 1;
  min-width: 0;
  max-width: min(46vw, 34rem);
  transition:
    transform 0.42s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.18s ease;
}

.md-header__title[data-site-title-ready="true"] .md-header__topic:not([data-md-component="header-topic"]) {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  z-index: 1;
}

.md-header__title[data-site-title-ready="true"] .md-header__topic[data-md-component="header-topic"] {
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateX(1.18rem);
  z-index: 0;
}

.md-header__title[data-site-title-mode="page"] .md-header__topic:not([data-md-component="header-topic"]) {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-1.18rem);
  transition:
    transform 0.42s cubic-bezier(1, 0.7, 0.1, 0.1),
    opacity 0.18s ease;
  z-index: 0;
}

.md-header__title[data-site-title-mode="page"] .md-header__topic[data-md-component="header-topic"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  transition:
    transform 0.42s cubic-bezier(0.1, 0.7, 0.1, 1),
    opacity 0.18s ease;
  z-index: 1;
}

.md-header__title[data-site-title-mode="page"] .md-header__topic[data-md-component="header-topic"] .md-ellipsis {
  font-weight: 780;
}

.md-search__form {
  min-height: var(--site-header-search-height);
  border-radius: 15px;
  background: rgba(31, 41, 55, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.10);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.md-search__input,
.md-search__icon,
.md-search__label,
.md-search__options {
  color: rgba(255, 255, 255, 0.95);
}

.md-search__input::placeholder {
  color: rgba(255, 255, 255, 0.72);
}

.md-search__input {
  font-size: 0.88rem;
}

.md-tabs {
  position: sticky;
  top: calc(var(--site-header-height) - 1px);
  align-self: stretch;
  margin-top: -1px;
  margin-bottom: 0;
  border-top: 0;
  box-shadow: none;
  background: linear-gradient(135deg, rgba(63, 81, 181, 0.92), rgba(79, 70, 229, 0.92));
  height: var(--site-tabs-min-height);
  min-height: var(--site-tabs-min-height);
  overflow: hidden;
  width: 100%;
  z-index: 19;
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
  transition:
    margin-bottom 0.34s var(--site-tabs-ease),
    opacity 0.28s ease,
    transform 0.38s var(--site-tabs-ease),
    background 0.18s ease;
}

.md-tabs::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.10),
    transparent 22%,
    transparent 80%,
    rgba(255, 255, 255, 0.06)
  );
  border-top: 0;
  box-shadow: none;
}

.md-header + .md-tabs {
  margin-top: -1px;
}

.md-header + .md-tabs,
.md-header + .md-tabs::before,
.md-header + .md-tabs .md-tabs__list {
  border-top: 0;
}

.md-header,
.md-tabs,
.md-header + .md-tabs {
  border-spacing: 0;
}

.md-header__inner,
.md-tabs__list {
  margin-bottom: 0;
}

.md-tabs__list {
  display: flex;
  flex: 1 1 auto;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.42rem;
  margin: 0;
  width: 100%;
  min-width: 0;
  min-height: var(--site-tabs-min-height);
  padding: 0.14rem 0 0.18rem;
  list-style: none;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  transition: opacity 0.22s ease, transform 0.32s var(--site-tabs-ease);
}

.md-tabs__list::-webkit-scrollbar {
  display: none;
}

.md-tabs__item {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  align-self: center;
  height: auto;
  min-height: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  visibility: visible;
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.md-tabs__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  flex-shrink: 0;
  min-width: var(--site-tabs-link-min-width);
  min-height: var(--site-tabs-link-height);
  height: var(--site-tabs-link-height);
  padding: 0 1.02rem;
  margin: 0;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.96);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
  text-align: center;
  white-space: nowrap;
  visibility: visible;
  opacity: 1;
  overflow: visible;
  appearance: none;
  -webkit-appearance: none;
  transform: none;
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
  -webkit-text-fill-color: currentColor;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 4px 14px rgba(0, 0, 0, 0.08);
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
  transition-delay: 0s;
  animation: none;
  cursor: pointer;
  pointer-events: auto;
}

.md-tabs__link * {
  color: inherit;
  -webkit-text-fill-color: currentColor;
}

.md-tabs__item:nth-child(n) .md-tabs__link {
  transition-delay: 0s;
}

html.site-tabs-collapsed .md-tabs {
  margin-bottom: 0;
  height: 0;
  min-height: 0;
  max-height: 0;
  clip-path: inset(0 0 100% 0);
  overflow: hidden;
  opacity: 0;
  transform: none;
  pointer-events: none;
}

html.site-tabs-collapsed .md-tabs::before {
  opacity: 0;
}

html.site-tabs-collapsed .md-tabs .md-grid,
html.site-tabs-collapsed .md-tabs__list {
  min-height: 0;
  height: 0;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
  visibility: visible;
  opacity: 0;
  transform: none;
}

.md-tabs__link:hover,
.md-tabs__link:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-1px);
}

.md-tabs__link--active,
.md-tabs__link[aria-current="page"] {
  color: rgba(255, 255, 255, 0.96);
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.24);
}

html.site-browser-safari .md-tabs,
html.site-browser-atlas .md-tabs {
  clip-path: inset(0 0 0 0);
  height: var(--site-tabs-min-height);
  min-height: var(--site-tabs-min-height);
  max-height: var(--site-tabs-min-height);
  overflow: hidden;
  transform: none;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition:
    height 0.36s var(--site-tabs-ease),
    min-height 0.36s var(--site-tabs-ease),
    max-height 0.36s var(--site-tabs-ease),
    opacity 0.28s ease,
    clip-path 0.36s var(--site-tabs-ease),
    background 0.18s ease;
}

html.site-browser-safari .md-tabs .md-grid,
html.site-browser-atlas .md-tabs .md-grid {
  height: var(--site-tabs-min-height);
  min-height: var(--site-tabs-min-height);
  max-height: var(--site-tabs-min-height);
  transition:
    height 0.36s var(--site-tabs-ease),
    min-height 0.36s var(--site-tabs-ease),
    max-height 0.36s var(--site-tabs-ease);
}

html.site-browser-safari .md-tabs__list,
html.site-browser-atlas .md-tabs__list {
  height: var(--site-tabs-min-height);
  min-height: var(--site-tabs-min-height);
  max-height: var(--site-tabs-min-height);
  transform: none;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition:
    height 0.36s var(--site-tabs-ease),
    min-height 0.36s var(--site-tabs-ease),
    max-height 0.36s var(--site-tabs-ease),
    padding 0.36s var(--site-tabs-ease),
    opacity 0.22s ease;
}

html.site-browser-safari.site-tabs-collapsed .md-tabs,
html.site-browser-safari.site-tabs-collapsed .md-tabs__list,
html.site-browser-atlas.site-tabs-collapsed .md-tabs,
html.site-browser-atlas.site-tabs-collapsed .md-tabs__list {
  transform: none;
}

/* =========================================================
   5. 左侧导航与目录修正
   ========================================================= */

.md-sidebar--primary,
.md-sidebar--primary .md-sidebar__inner,
.md-sidebar--primary .md-sidebar__scrollwrap {
  max-height: none;
}

.md-sidebar--primary .md-sidebar__scrollwrap {
  position: static;
  top: auto;
  height: auto;
  max-height: none;
  padding: 0.35rem 0 0.2rem;
  background: transparent;
  border: 0;
  box-shadow: none;
  overflow: visible;
  scrollbar-width: thin;
}

.md-sidebar--primary .md-sidebar__scrollwrap::before {
  content: none;
}

.md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  max-height: none;
  padding: 0.15rem 0.85rem 0.4rem 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  will-change: transform;
  isolation: isolate;
  overflow: visible;
}

.md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary::before {
  content: none;
}

.md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary::after {
  content: none;
}

.md-sidebar--primary .md-nav--secondary,
.md-sidebar--primary label[for="__toc"] {
  display: none;
}

.md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary > * {
  position: relative;
  z-index: 1;
}

.md-nav__title {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 0.28rem;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: #6b7788;
  font-weight: 740;
  font-size: 0.75rem;
  border: 0;
  box-shadow: none;
  font-family: var(--site-nav-font);
}

[data-md-color-scheme="slate"] .md-nav__title {
  background: transparent;
  color: #f8fafc;
  border-color: transparent;
  box-shadow: none;
}

.md-nav__title .md-nav__button,
.md-nav__title .md-nav__link,
.md-nav__title a,
.md-nav__title label {
  color: inherit;
}

.md-nav__title .md-nav__icon,
.md-nav__title svg {
  color: inherit;
  fill: currentColor;
}

.md-sidebar--primary .md-nav__title {
  min-height: 2rem;
  margin-bottom: 0.42rem;
  padding: 0 0 0.14rem;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: #6f7b8d;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: none;
}

.md-sidebar--primary .md-nav__item {
  min-width: 0;
}

.md-sidebar--primary .md-nav__item .md-nav__link,
.md-sidebar--primary .md-nav__item .md-nav__link--active,
.md-sidebar--primary .md-nav__item > label.md-nav__link {
  max-width: 100%;
}

.md-sidebar--primary .md-nav__link,
.md-sidebar--primary label.md-nav__link {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 0.28rem 0 0.3rem 0.95rem;
  border: 0;
  border-left: 1px solid rgba(226, 232, 240, 0.84);
  border-radius: 0;
  color: #556170;
  font-size: 0.81rem;
  line-height: 1.48;
  font-weight: 470;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
  text-decoration: none;
  text-decoration-line: none;
  font-family: var(--site-nav-font);
  transition:
    background 0.18s ease,
    color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.md-sidebar--primary .md-nav__link::before,
.md-sidebar--primary .md-nav__link::after,
.md-sidebar--primary .md-nav__title::before,
.md-sidebar--primary .md-nav__title::after,
.md-sidebar--primary .md-nav__link > .md-ellipsis::before,
.md-sidebar--primary .md-nav__link > .md-ellipsis::after,
.md-sidebar--primary label.md-nav__link::before,
.md-sidebar--primary label.md-nav__link::after {
  content: none;
  display: none;
}

.md-sidebar--primary .md-nav__link:hover,
.md-sidebar--primary label.md-nav__link:hover {
  color: #152033;
  border-left-color: rgba(148, 163, 184, 0.52);
}

.md-sidebar--primary .md-nav__item--active > .md-nav__link,
.md-sidebar--primary .md-nav__link--active {
  color: #0f172a;
  border-left-color: rgba(71, 85, 105, 0.82);
}

.md-sidebar--primary .md-nav__item--nested > .md-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.md-sidebar--primary .md-nav__item--section > .md-nav__link,
.md-sidebar--primary .md-nav__item--section > label.md-nav__link,
.md-sidebar--primary .md-nav__item--nested > .md-nav__link,
.md-sidebar--primary .md-nav__item--nested > label.md-nav__link {
  border-color: transparent;
  border-left-color: transparent;
  background: transparent;
  box-shadow: none;
}

.md-sidebar--primary .md-nav__item--active > .md-nav__link {
  color: var(--site-heading-color);
  font-weight: 580;
}

[data-md-color-scheme="slate"] .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__link {
  color: rgba(226, 232, 240, 0.8);
  border-left-color: rgba(71, 85, 105, 0.9);
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__item--active > .md-nav__link {
  color: #ffffff;
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__link:hover,
[data-md-color-scheme="slate"] .md-sidebar--primary label.md-nav__link:hover {
  border-left-color: rgba(148, 163, 184, 0.86);
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__item--section > .md-nav__link,
[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__item--section > label.md-nav__link,
[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__item--nested > .md-nav__link,
[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__item--nested > label.md-nav__link {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

.md-sidebar--primary .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active),
.md-sidebar--primary .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active):hover,
.md-sidebar--primary .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active):focus,
.md-sidebar--primary .md-nav > .md-nav__list > .md-nav__item > label.md-nav__link:not(.md-nav__link--active) {
  background: transparent;
  background-image: none;
  box-shadow: none;
  transform: none;
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active),
[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active):hover,
[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active):focus,
[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav > .md-nav__list > .md-nav__item > label.md-nav__link:not(.md-nav__link--active) {
  background: transparent;
  background-image: none;
  box-shadow: none;
  transform: none;
}

.md-sidebar--primary label.md-nav__link.md-nav__link--active,
.md-sidebar--primary .md-nav__item--section > .md-nav__link.md-nav__link--active,
.md-sidebar--primary .md-nav__item--section > label.md-nav__link.md-nav__link--active,
.md-sidebar--primary .md-nav__item--nested > .md-nav__link.md-nav__link--active,
.md-sidebar--primary .md-nav__item--nested > label.md-nav__link.md-nav__link--active {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.md-sidebar--primary a.md-nav__link[href].md-nav__link--active {
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
  background: var(--site-sidebar-active-bg);
  border: 0;
  border-left: 1px solid rgba(31, 41, 55, 0.16);
  padding-left: 0.85rem;
  padding-right: 0;
  box-shadow: var(--site-sidebar-active-shadow);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-radius: 0;
  color: var(--site-sidebar-active-text);
}

.md-sidebar:not(.md-sidebar--primary) .md-nav__link {
  margin: 0.12rem 0;
  padding: 0.24rem 0.4rem;
  border-radius: 8px;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.md-sidebar:not(.md-sidebar--primary) .md-nav__link:hover {
  background: rgba(37, 99, 235, 0.05);
  color: #111827;
  transform: none;
}

.md-sidebar:not(.md-sidebar--primary) .md-nav__item .md-nav__link--active,
.md-sidebar:not(.md-sidebar--primary) .md-nav__item .md-nav__link:focus-visible {
  background: rgba(37, 99, 235, 0.07);
  color: #111827;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.08);
}

[data-md-color-scheme="slate"] .md-sidebar:not(.md-sidebar--primary) .md-nav__link {
  color: rgba(226, 232, 240, 0.92);
}

[data-md-color-scheme="slate"] .md-sidebar:not(.md-sidebar--primary) .md-nav__link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #f8fafc;
}

[data-md-color-scheme="slate"] .md-sidebar:not(.md-sidebar--primary) .md-nav__item .md-nav__link--active,
[data-md-color-scheme="slate"] .md-sidebar:not(.md-sidebar--primary) .md-nav__item .md-nav__link:focus-visible {
  background: rgba(96, 165, 250, 0.12);
  color: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.12);
}

button.md-top[data-md-component="top"],
button.md-top[data-md-component="top"][hidden] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  max-width: min(calc(100vw - 2rem), 18rem);
  min-height: 40px;
  min-width: 0;
  padding: 0.66rem 1rem;
  margin: 0;
  margin-left: 0;
  margin-right: 0;
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.56), rgba(244, 247, 255, 0.28)),
    linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(56, 189, 248, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.62);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.84),
    inset 0 -1px 0 rgba(255, 255, 255, 0.18),
    0 18px 36px rgba(148, 163, 184, 0.14);
  color: #334155;
  font-size: 0.82rem;
  font-weight: 760;
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  position: fixed;
  z-index: 21;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    top 0.38s var(--site-tabs-ease),
    opacity 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
  margin-inline-start: 0;
  margin-inline-end: 0;
}

button.md-top[data-md-component="top"].site-top-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

button.md-top[data-md-component="top"] svg {
  display: none;
}

button.md-top[data-md-component="top"]:hover,
button.md-top[data-md-component="top"]:focus-visible {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.68), rgba(248, 250, 255, 0.34)),
    linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(56, 189, 248, 0.08));
  border-color: rgba(255, 255, 255, 0.78);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(255, 255, 255, 0.24),
    0 22px 40px rgba(148, 163, 184, 0.16);
}

[data-md-color-scheme="slate"] button.md-top[data-md-component="top"] {
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.74), rgba(30, 41, 59, 0.52)),
    linear-gradient(135deg, rgba(96, 165, 250, 0.08), rgba(129, 140, 248, 0.05));
  border-color: rgba(148, 163, 184, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(255, 255, 255, 0.04),
    0 18px 34px rgba(2, 6, 23, 0.26);
  color: #e2e8f0;
}

[data-md-color-scheme="slate"] button.md-top[data-md-component="top"]:hover,
[data-md-color-scheme="slate"] button.md-top[data-md-component="top"]:focus-visible {
  background:
    linear-gradient(135deg, rgba(30, 41, 59, 0.84), rgba(51, 65, 85, 0.6)),
    linear-gradient(135deg, rgba(96, 165, 250, 0.12), rgba(129, 140, 248, 0.08));
}

@media screen and (max-width: 76.2344em) {
  button.md-top[data-md-component="top"] {
    top: auto;
    right: var(--site-top-button-inset);
    bottom: var(--site-top-button-inset);
    left: auto;
    inset: auto var(--site-top-button-inset) var(--site-top-button-inset) auto;
    transform: none;
  }

  html[dir="rtl"] button.md-top[data-md-component="top"] {
    right: auto;
    left: var(--site-top-button-inset);
    inset: auto auto var(--site-top-button-inset) var(--site-top-button-inset);
  }
}

@media screen and (min-width: 76.25em) {
  button.md-top[data-md-component="top"] {
    top: var(--site-top-button-top);
    right: auto;
    bottom: auto;
    left: 50vw;
    inset: var(--site-top-button-top) auto auto 50vw;
    transform: translate(-50%, 0);
  }

  button.md-top[data-md-component="top"]:hover,
  button.md-top[data-md-component="top"]:focus-visible {
    transform: translate(-50%, -1px);
  }

  .md-sidebar--primary {
    grid-area: sidebar;
    grid-column: 1;
    grid-row: 1;
    position: sticky;
    top: var(--site-sticky-sidebar-top);
    left: auto;
    width: var(--site-sidebar-width);
    padding-top: 0.35rem;
    margin-top: 0;
    transform: none;
    z-index: 2;
    align-self: start;
    transition: top 0.34s var(--site-tabs-ease);
  }

  .md-sidebar--secondary .md-sidebar__inner,
  .md-sidebar--secondary .md-nav--secondary,
  .md-sidebar--secondary .md-nav[data-md-level="1"] {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
    will-change: transform;
  }

  html.site-tabs-collapsed .md-sidebar--primary {
    top: var(--site-sticky-sidebar-top-collapsed);
  }

  .md-main__inner,
  .md-main__inner.md-grid,
  .md-sidebar--primary,
  .md-sidebar--primary .md-sidebar__inner,
  .md-sidebar--primary .md-sidebar__scrollwrap {
    overflow: visible;
  }

  .md-sidebar .md-nav .md-nav,
  .md-sidebar .md-nav .md-nav__list,
  .md-sidebar .md-nav .md-nav__item,
  .md-sidebar .md-nav .md-nav__container,
  .md-sidebar .md-nav .md-nav__source {
    background: transparent;
    background-color: transparent;
    box-shadow: none;
    border: 0;
  }

  .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav {
    display: block;
    visibility: visible;
    opacity: 1;
    height: auto;
    max-height: none;
    overflow: visible;
    margin-top: 0.06rem;
    margin-left: 0.06rem;
    padding: 0.06rem 0 0.08rem 0.78rem;
    background: transparent;
    background-color: transparent;
    border: 0;
    border-left: 1.5px solid var(--site-sidebar-nested-border);
    border-radius: 0;
    box-shadow: none;
  }

  .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav > .md-nav__list {
    display: block;
    visibility: visible;
    opacity: 1;
    height: auto;
    max-height: none;
    overflow: visible;
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav > .md-nav__list > .md-nav__item {
    display: block;
    visibility: visible;
    opacity: 1;
    height: auto;
    max-height: none;
    margin: 0;
    padding: 0;
    background: transparent;
  }

  .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active) {
    display: block;
    visibility: visible;
    opacity: 1;
    margin: 0;
    padding: 0.22rem 0;
    color: inherit;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    text-decoration: none;
    transform: none;
  }

  .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active)::before,
  .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active)::after {
    content: none;
    display: none;
  }

  .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active):hover,
  .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav > .md-nav__list > .md-nav__item > .md-nav__link:not(.md-nav__link--active):focus {
    background: transparent;
    box-shadow: none;
    transform: none;
  }

  .md-sidebar--primary .md-nav__item--active > .md-nav > .md-nav__list > .md-nav__item,
  .md-sidebar--primary .md-nav__item--nested.md-nav__item--active > .md-nav > .md-nav__list > .md-nav__item,
  .md-sidebar--primary .md-nav__item--nested > .md-nav > .md-nav__list > .md-nav__item {
    display: block;
    visibility: visible;
    opacity: 1;
  }

  .md-sidebar--primary .md-nav__item--active > .md-nav,
  .md-sidebar--primary .md-nav__item--nested.md-nav__item--active > .md-nav,
  .md-sidebar--primary .md-nav__item--nested > .md-nav {
    display: block;
    visibility: visible;
    opacity: 1;
    max-height: none;
    overflow: visible;
  }

  [data-md-color-scheme="slate"] .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav {
    background: transparent;
    background-color: transparent;
    border: 0;
    border-left: 1.5px solid var(--site-sidebar-nested-border);
    box-shadow: none;
  }

  .md-sidebar--primary .md-nav .md-nav__toggle ~ .md-nav--secondary,
  .md-sidebar--primary .md-nav .md-nav__item > .md-nav--secondary,
  .md-sidebar--primary .md-nav__item > label[for="__toc"] {
    display: none;
    visibility: hidden;
    opacity: 0;
    max-height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border: 0;
    box-shadow: none;
  }

  [data-md-toggle="toc"] {
    display: none;
  }

  html.site-browser-safari .md-sidebar--primary {
    --site-current-primary-max-height:
      calc(100dvh - var(--site-sticky-sidebar-top-collapsed) - var(--site-sticky-bottom-clearance));
    position: sticky;
    top: var(--site-sticky-sidebar-top-collapsed);
    left: auto;
    right: auto;
    bottom: auto;
    width: var(--site-sidebar-width);
    min-width: var(--site-sidebar-width);
    max-width: var(--site-sidebar-width);
    min-height: var(--site-current-primary-max-height);
    max-height: none;
    overflow: visible;
    display: block;
    opacity: 1;
    visibility: visible;
    transition: none;
  }

  html.site-tabs-collapsed.site-browser-safari .md-sidebar--primary {
    top: var(--site-sticky-sidebar-top-collapsed);
  }

  html.site-browser-safari.sidebar-collapsed .md-sidebar--primary {
    display: none;
    width: 0;
    min-width: 0;
    max-width: 0;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow: hidden;
  }

  html.site-browser-safari .md-sidebar--secondary {
    --site-current-toc-max-height: var(--site-toc-max-height-collapsed);
    position: sticky;
    top: var(--site-toc-sticky-top-collapsed);
    left: auto;
    right: auto;
    bottom: auto;
    width: var(--site-toc-width);
    min-width: var(--site-toc-width);
    max-width: var(--site-toc-width);
    max-height: none;
    overflow: visible;
    display: block;
    opacity: 1;
    visibility: visible;
    transition: none;
  }

  html.site-tabs-collapsed.site-browser-safari .md-sidebar--secondary {
    top: var(--site-toc-sticky-top-collapsed);
  }

  html.site-browser-safari .md-sidebar--primary,
  html.site-browser-safari .md-sidebar--secondary,
  html.site-browser-safari .md-sidebar__scrollwrap,
  html.site-browser-safari .md-sidebar__inner,
  html.site-browser-safari .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary,
  html.site-browser-safari .md-sidebar--secondary .md-nav--secondary,
  html.site-browser-safari .md-sidebar--secondary .md-nav[data-md-level="1"] {
    transform: none;
    will-change: auto;
    backface-visibility: visible;
    -webkit-backface-visibility: visible;
    contain: none;
  }

  html.site-browser-safari .md-sidebar--primary .md-sidebar__scrollwrap {
    position: relative;
    top: auto;
    height: var(--site-current-primary-max-height);
    min-height: var(--site-current-primary-max-height);
    max-height: var(--site-current-primary-max-height);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  html.site-browser-safari .md-sidebar--secondary .md-sidebar__scrollwrap {
    position: static;
    top: auto;
    height: auto;
    max-height: none;
    overflow: visible;
    -webkit-overflow-scrolling: auto;
    overscroll-behavior: auto;
    scrollbar-width: auto;
    -ms-overflow-style: auto;
  }

  html.site-browser-safari .md-sidebar--primary .md-sidebar__scrollwrap::-webkit-scrollbar,
  html.site-browser-safari .md-sidebar--secondary .md-sidebar__scrollwrap::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
  }

  html.site-browser-safari .md-sidebar--primary .md-sidebar__inner,
  html.site-browser-safari .md-sidebar--secondary .md-sidebar__inner {
    min-height: 0;
    height: auto;
  }

  html.site-browser-safari .md-sidebar--secondary .md-sidebar__inner {
    position: relative;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    max-height: calc(var(--site-current-toc-max-height) - 0.25rem);
    overflow: hidden;
    padding-top: 0.65rem;
  }

  html.site-browser-safari .md-sidebar--secondary .md-nav--secondary,
  html.site-browser-safari .md-sidebar--secondary .md-nav[data-md-level="1"] {
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    top: auto;
    display: block;
    max-height: none;
    height: auto;
    overflow-x: visible;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-right: 0;
  }

  html.site-browser-safari .md-sidebar--secondary .md-nav--secondary::-webkit-scrollbar,
  html.site-browser-safari .md-sidebar--secondary .md-nav[data-md-level="1"]::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
  }

  html.site-browser-safari .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary {
    background: rgba(248, 250, 252, 0.94);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.78),
      0 6px 14px rgba(148, 163, 184, 0.08);
    isolation: auto;
  }

  html.site-browser-safari [data-md-color-scheme="slate"] .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary {
    background: rgba(15, 23, 42, 0.92);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.08),
      0 6px 14px rgba(2, 6, 23, 0.14);
  }

  html.site-browser-safari .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary::before,
  html.site-browser-safari .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary::after {
    content: none;
  }

  html.site-browser-safari .md-sidebar--secondary .md-nav--secondary::before,
  html.site-browser-safari .md-sidebar--secondary .md-nav[data-md-level="1"]::before {
    box-shadow: none;
  }

  html.site-browser-safari .md-sidebar--primary .md-nav__link,
  html.site-browser-safari .md-sidebar--primary label.md-nav__link,
  html.site-browser-safari .md-sidebar--secondary .md-nav__link {
    transition: none;
  }

  html.site-browser-safari .md-sidebar--secondary .md-nav__item .md-nav__link:hover,
  html.site-browser-safari .md-sidebar--secondary .md-nav__item .md-nav__link:focus-visible {
    box-shadow: none;
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(203, 213, 225, 0.32);
  }

  html.site-browser-safari .md-sidebar--secondary .md-nav__item .md-nav__link--active,
  html.site-browser-safari .md-sidebar--secondary .md-nav__item .md-nav__link--passed,
  html.site-browser-safari .md-sidebar--secondary .md-nav__item .md-nav__link.site-toc-link--current,
  html.site-browser-safari .md-sidebar--secondary .md-nav__item .md-nav__link[aria-current] {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    color: inherit;
  }

  html.site-browser-safari .md-sidebar--primary a.md-nav__link[href].md-nav__link--active {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: inset 0 0 0 1px rgba(129, 140, 248, 0.12);
  }

  html.site-browser-safari.toc-collapsed .md-sidebar--secondary,
  html.site-browser-safari.toc-empty .md-sidebar--secondary,
  html.site-browser-safari.page-home .md-sidebar--secondary,
  html.site-browser-safari.page-overview .md-sidebar--secondary {
    width: 0;
    min-width: 0;
    max-width: 0;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow: hidden;
  }

  html.site-browser-atlas {
    --site-fixed-sidebar-left:
      max(
        var(--site-shell-padding-left),
        calc(50vw - (var(--site-shell-max-width) / 2) + var(--site-shell-padding-left))
      );
    --site-fixed-sidebar-right:
      max(
        var(--site-shell-padding-right),
        calc(50vw - (var(--site-shell-max-width) / 2) + var(--site-shell-padding-right))
      );
  }

  html.site-browser-atlas .md-sidebar--primary {
    position: fixed;
    top: var(--site-sticky-sidebar-top);
    left: var(--site-fixed-sidebar-left);
    right: auto;
    bottom: auto;
    width: var(--site-sidebar-width);
    min-width: var(--site-sidebar-width);
    max-width: var(--site-sidebar-width);
    max-height: calc(100dvh - var(--site-sticky-sidebar-top) - var(--site-sticky-bottom-clearance));
    overflow: hidden;
    transition: top 0.34s var(--site-tabs-ease);
  }

  html.site-browser-atlas .md-sidebar--secondary {
    position: fixed;
    top: var(--site-toc-sticky-top);
    left: auto;
    right: var(--site-fixed-sidebar-right);
    bottom: auto;
    width: var(--site-toc-width);
    min-width: var(--site-toc-width);
    max-width: var(--site-toc-width);
    max-height: calc(100dvh - var(--site-toc-sticky-top) - var(--site-sticky-bottom-clearance));
    overflow: hidden;
    transition: none;
  }

  html.site-tabs-collapsed.site-browser-atlas .md-sidebar--primary {
    top: var(--site-sticky-sidebar-top-collapsed);
    max-height: calc(100dvh - var(--site-sticky-sidebar-top-collapsed) - var(--site-sticky-bottom-clearance));
  }

  html.site-tabs-collapsed.site-browser-atlas .md-sidebar--secondary {
    top: var(--site-toc-sticky-top-collapsed);
    max-height: calc(100dvh - var(--site-toc-sticky-top-collapsed) - var(--site-sticky-bottom-clearance));
  }

  html.site-browser-atlas .md-sidebar--primary,
  html.site-browser-atlas .md-sidebar--secondary,
  html.site-browser-atlas .md-sidebar__scrollwrap,
  html.site-browser-atlas .md-sidebar__inner,
  html.site-browser-atlas .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary,
  html.site-browser-atlas .md-sidebar--secondary .md-nav--secondary,
  html.site-browser-atlas .md-sidebar--secondary .md-nav[data-md-level="1"] {
    transform: none;
    will-change: auto;
    backface-visibility: visible;
    -webkit-backface-visibility: visible;
    contain: none;
  }

  html.site-browser-atlas .md-sidebar--primary .md-sidebar__scrollwrap {
    position: relative;
    height: 100%;
    max-height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  html.site-browser-atlas .md-sidebar--secondary .md-sidebar__scrollwrap {
    position: relative;
    height: 100%;
    max-height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(148, 163, 184, 0.36) transparent;
    -ms-overflow-style: auto;
  }

  html.site-browser-atlas .md-sidebar--primary .md-sidebar__scrollwrap::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
  }

  html.site-browser-atlas .md-sidebar--secondary .md-sidebar__scrollwrap::-webkit-scrollbar {
    display: block;
    width: 6px;
    height: 6px;
  }

  html.site-browser-atlas .md-sidebar--secondary .md-sidebar__scrollwrap::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.36);
  }

  html.site-browser-atlas .md-sidebar--secondary .md-sidebar__scrollwrap::-webkit-scrollbar-track {
    background: transparent;
  }

  html.site-browser-atlas .md-sidebar--primary .md-sidebar__inner,
  html.site-browser-atlas .md-sidebar--secondary .md-sidebar__inner {
    min-height: 100%;
    max-height: none;
    height: auto;
    overflow: visible;
  }

  html.site-browser-atlas .md-sidebar--secondary .md-nav--secondary,
  html.site-browser-atlas .md-sidebar--secondary .md-nav[data-md-level="1"] {
    max-height: none;
    height: auto;
    overflow: visible;
    overscroll-behavior: auto;
    scrollbar-color: rgba(148, 163, 184, 0.36) transparent;
    padding-right: 0;
  }

  html.site-browser-atlas .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: 0 12px 24px rgba(148, 163, 184, 0.08);
    isolation: auto;
  }

  html.site-browser-atlas .md-sidebar--primary .md-nav__title {
    font-family: var(--site-heading-font);
    font-weight: 540;
    color: #707b8d;
    font-synthesis: none;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  html.site-browser-atlas .md-sidebar--primary .md-nav__link,
  html.site-browser-atlas .md-sidebar--primary label.md-nav__link {
    font-family: var(--site-heading-font);
    font-weight: 400;
    color: #374151;
    font-synthesis: none;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  html.site-browser-atlas .md-sidebar--primary .md-nav__item--active > .md-nav__link,
  html.site-browser-atlas .md-sidebar--primary .md-nav__link--active {
    font-family: var(--site-heading-font);
    font-weight: 430;
    color: #0f172a;
    font-synthesis: none;
  }

  html.site-browser-atlas [data-md-color-scheme="slate"] .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary {
    background: rgba(15, 23, 42, 0.92);
    box-shadow: 0 12px 24px rgba(2, 6, 23, 0.22);
  }

  html.site-browser-atlas .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary::before,
  html.site-browser-atlas .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary::after {
    content: none;
  }

  html.site-browser-atlas .md-sidebar--secondary .md-nav--secondary::before,
  html.site-browser-atlas .md-sidebar--secondary .md-nav[data-md-level="1"]::before {
    box-shadow: none;
  }

  html.site-browser-atlas .md-sidebar--primary .md-nav__link,
  html.site-browser-atlas .md-sidebar--primary label.md-nav__link,
  html.site-browser-atlas .md-sidebar--secondary .md-nav__link {
    transition: none;
    transition-delay: 0s;
    animation: none;
  }

  html.site-browser-atlas .md-sidebar--secondary .md-nav__item .md-nav__link:hover,
  html.site-browser-atlas .md-sidebar--secondary .md-nav__item .md-nav__link:focus-visible {
    box-shadow: none;
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(203, 213, 225, 0.32);
  }

  html.site-browser-atlas .md-sidebar--secondary .md-nav__item .md-nav__link--active,
  html.site-browser-atlas .md-sidebar--secondary .md-nav__item .md-nav__link--passed,
  html.site-browser-atlas .md-sidebar--secondary .md-nav__item .md-nav__link.site-toc-link--current,
  html.site-browser-atlas .md-sidebar--secondary .md-nav__item .md-nav__link[aria-current] {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    color: inherit;
  }

  html.site-browser-atlas .md-sidebar--primary a.md-nav__link[href].md-nav__link--active {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: inset 0 0 0 1px rgba(129, 140, 248, 0.12);
  }

  html.site-browser-atlas.toc-collapsed .md-sidebar--secondary,
  html.site-browser-atlas.toc-empty .md-sidebar--secondary,
  html.site-browser-atlas.page-home .md-sidebar--secondary,
  html.site-browser-atlas.page-overview .md-sidebar--secondary {
    width: 0;
    min-width: 0;
    max-width: 0;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow: hidden;
  }
}

/* =========================================================
   6. 首页导览与内容入口
   ========================================================= */

.index-flow {
  max-width: 74rem;
}

.index-flow--home {
  max-width: 76rem;
}

.overview-link-list a,
.home-inline-list a,
.home-start-list a,
.home-engine-card__links a {
  color: var(--site-heading-color);
  text-decoration: underline;
  text-decoration-color: rgba(37, 99, 235, 0.16);
  text-underline-offset: 0.18em;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.overview-link-list a:hover,
.overview-link-list a:focus-visible,
.home-inline-list a:hover,
.home-inline-list a:focus-visible,
.home-start-list a:hover,
.home-start-list a:focus-visible,
.home-engine-card__links a:hover,
.home-engine-card__links a:focus-visible {
  color: #1d4ed8;
  text-decoration-color: rgba(37, 99, 235, 0.32);
}

.home-hero__eyebrow,
.home-panel__eyebrow,
.home-strip__eyebrow,
.home-section-heading__eyebrow,
.home-engine-card__eyebrow,
.overview-hero__eyebrow,
.overview-band__eyebrow,
.overview-section__eyebrow,
.overview-card__eyebrow {
  color: #6a7280;
  font-family: var(--site-nav-font);
  font-size: 0.7rem;
  font-weight: 640;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-hero,
.overview-hero,
.overview-band__panel,
.overview-card,
.home-panel,
.home-strip__block,
.home-engine-card {
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 1.3rem;
  background: rgba(255, 255, 255, 0.74);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7),
    0 16px 32px rgba(148, 163, 184, 0.08);
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(21rem, 1fr);
  gap: 1rem;
  align-items: start;
  margin: 0 0 1.4rem;
  padding: 1.38rem 1.4rem 1.14rem;
}

.home-hero__eyebrow,
.overview-hero__eyebrow,
.home-strip__eyebrow,
.home-section-heading__eyebrow,
.overview-band__eyebrow,
.overview-section__eyebrow,
.home-panel__eyebrow,
.home-engine-card__eyebrow,
.overview-card__eyebrow {
  margin-bottom: 0.48rem;
}

.home-hero__title {
  margin: 0 0 0.7rem;
  color: var(--site-heading-color);
  font-family: var(--site-heading-font);
  font-size: clamp(2.05rem, 4vw, 3.1rem);
  font-weight: 780;
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.home-hero__summary {
  max-width: 60ch;
  margin: 0;
  color: var(--site-muted-text-color);
  font-size: 0.98rem;
  line-height: 1.78;
}

.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.62rem 0.72rem;
  margin-top: 1.15rem;
}

.index-flow .home-hero__action {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.46rem 0.86rem;
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.88);
  color: #334155;
  font-family: var(--site-nav-font);
  font-size: 0.84rem;
  font-weight: 620;
  text-decoration: none;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.index-flow .home-hero__action--primary {
  background: rgba(226, 232, 240, 0.92);
  border-color: rgba(148, 163, 184, 0.5);
  color: #0f172a;
}

.index-flow .home-hero__action:hover,
.index-flow .home-hero__action:focus-visible {
  color: #0f172a;
  background: rgba(241, 245, 249, 0.96);
  border-color: rgba(148, 163, 184, 0.52);
  box-shadow: 0 10px 22px rgba(226, 232, 240, 0.14);
}

.index-flow .home-hero__action--primary:hover,
.index-flow .home-hero__action--primary:focus-visible {
  color: #0f172a;
  background: rgba(203, 213, 225, 0.95);
  border-color: rgba(148, 163, 184, 0.68);
}

.home-panel {
  padding: 1rem 1.02rem 0.92rem;
}

.home-panel__title {
  margin: 0 0 0.68rem;
  color: var(--site-heading-color);
  font-family: var(--site-heading-font);
  font-size: 1.03rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.home-start-list,
.home-inline-list,
.home-engine-card__links,
.overview-link-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.home-start-list {
  display: grid;
  gap: 0.72rem;
}

.home-start-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.78rem;
  align-items: start;
}

.home-start-list__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.15rem;
  height: 2.15rem;
  border-radius: 999px;
  background: rgba(226, 232, 240, 0.72);
  color: #334155;
  font-family: var(--site-heading-font);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.04em;
}

.home-start-list__item p,
.home-engine-card__summary,
.overview-band__summary,
.overview-card p {
  margin: 0.3rem 0 0;
  color: var(--site-muted-text-color);
  font-size: 0.92rem;
  line-height: 1.72;
}

.home-strip {
  margin: 0 0 1.45rem;
}

.home-strip__block {
  padding: 1.05rem 1.1rem;
}

.home-strip__title,
.home-section-heading__title,
.overview-section__title {
  margin: 0;
  color: var(--site-heading-color);
  font-family: var(--site-heading-font);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.02em;
}

.home-inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.52rem 0.9rem;
  margin-top: 0.8rem;
}

.home-inline-list li {
  margin: 0;
}

.home-engines,
.overview-section {
  margin: 0 0 1.55rem;
}

.home-section-heading,
.overview-section {
  display: grid;
  gap: 0.36rem;
}

.home-engine-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) repeat(2, minmax(0, 0.95fr));
  gap: 1rem;
  align-items: stretch;
  margin-top: 0.9rem;
}

.home-engine-card {
  padding: 1.08rem 1.12rem 1.06rem;
}

.home-engine-card--featured {
  padding: 1.14rem 1.18rem 1.08rem;
  border-color: rgba(148, 163, 184, 0.2);
}

.home-engine-card__title,
.overview-card h3 {
  margin: 0;
  color: var(--site-heading-color);
  font-family: var(--site-heading-font);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.02em;
}

.home-engine-card__links,
.overview-link-list {
  margin-top: 0.82rem;
}

.home-engine-card__links li,
.overview-link-list li {
  margin: 0;
  padding: 0.42rem 0;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  color: var(--site-muted-text-color);
  font-size: 0.9rem;
  line-height: 1.6;
}

.home-engine-card__links li:first-child,
.overview-link-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.overview-hero {
  margin: 0 0 1.15rem;
  padding: 1.3rem 1.35rem 1.15rem;
}

.overview-hero__title {
  margin: 0 0 0.38rem;
  color: var(--site-heading-color);
  font-family: var(--site-heading-font);
  font-size: clamp(2rem, 3vw, 2.55rem);
  font-weight: 780;
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.overview-hero__summary {
  max-width: 62ch;
  margin: 0;
  color: var(--site-muted-text-color);
  font-size: 0.98rem;
  line-height: 1.78;
}

.overview-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.95rem;
  margin: 0 0 1.35rem;
}

.overview-band__panel {
  padding: 1rem 1.05rem;
}

.overview-band__title {
  margin: 0;
  color: var(--site-heading-color);
  font-family: var(--site-heading-font);
  font-size: 0.99rem;
  font-weight: 690;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 0.86rem;
}

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

.overview-card {
  padding: 0.98rem 1rem 1rem;
}

[data-md-color-scheme="slate"] .home-hero,
[data-md-color-scheme="slate"] .overview-hero,
[data-md-color-scheme="slate"] .overview-band__panel,
[data-md-color-scheme="slate"] .overview-card,
[data-md-color-scheme="slate"] .home-panel,
[data-md-color-scheme="slate"] .home-strip__block,
[data-md-color-scheme="slate"] .home-engine-card {
  border-color: rgba(148, 163, 184, 0.16);
  background: rgba(15, 23, 42, 0.36);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04),
    0 14px 30px rgba(2, 6, 23, 0.14);
}

[data-md-color-scheme="slate"] .home-hero__eyebrow,
[data-md-color-scheme="slate"] .home-panel__eyebrow,
[data-md-color-scheme="slate"] .home-strip__eyebrow,
[data-md-color-scheme="slate"] .home-section-heading__eyebrow,
[data-md-color-scheme="slate"] .home-engine-card__eyebrow,
[data-md-color-scheme="slate"] .overview-hero__eyebrow,
[data-md-color-scheme="slate"] .overview-band__eyebrow,
[data-md-color-scheme="slate"] .overview-section__eyebrow,
[data-md-color-scheme="slate"] .overview-card__eyebrow {
  color: #b7c3d3;
}

[data-md-color-scheme="slate"] .home-start-list__step {
  background: rgba(51, 65, 85, 0.8);
  color: #e2e8f0;
}

[data-md-color-scheme="slate"] .overview-link-list a,
[data-md-color-scheme="slate"] .home-inline-list a,
[data-md-color-scheme="slate"] .home-start-list a,
[data-md-color-scheme="slate"] .home-engine-card__links a {
  color: #f8fafc;
  text-decoration-color: rgba(147, 197, 253, 0.24);
}

[data-md-color-scheme="slate"] .overview-link-list a:hover,
[data-md-color-scheme="slate"] .overview-link-list a:focus-visible,
[data-md-color-scheme="slate"] .home-inline-list a:hover,
[data-md-color-scheme="slate"] .home-inline-list a:focus-visible,
[data-md-color-scheme="slate"] .home-start-list a:hover,
[data-md-color-scheme="slate"] .home-start-list a:focus-visible,
[data-md-color-scheme="slate"] .home-engine-card__links a:hover,
[data-md-color-scheme="slate"] .home-engine-card__links a:focus-visible {
  color: #bfdbfe;
  text-decoration-color: rgba(191, 219, 254, 0.36);
}

[data-md-color-scheme="slate"] .index-flow .home-hero__action {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.42);
  color: #dbe4ee;
}

[data-md-color-scheme="slate"] .index-flow .home-hero__action--primary {
  color: #f8fafc;
  background: rgba(51, 65, 85, 0.88);
  border-color: rgba(148, 163, 184, 0.3);
}

[data-md-color-scheme="slate"] .index-flow .home-hero__action:hover,
[data-md-color-scheme="slate"] .index-flow .home-hero__action:focus-visible {
  color: #f8fafc;
  background: rgba(30, 41, 59, 0.8);
  border-color: rgba(148, 163, 184, 0.34);
}

[data-md-color-scheme="slate"] .index-flow .home-hero__action--primary:hover,
[data-md-color-scheme="slate"] .index-flow .home-hero__action--primary:focus-visible {
  color: #f8fafc;
  background: rgba(71, 85, 105, 0.92);
  border-color: rgba(148, 163, 184, 0.42);
}

[data-md-color-scheme="slate"] .home-engine-card__links li,
[data-md-color-scheme="slate"] .overview-link-list li {
  border-top-color: rgba(148, 163, 184, 0.14);
}

/* =========================================================
   7. 代码块基础样式
   ========================================================= */

html:not(.codeblock-enhancer-ready) .md-typeset .highlight {
  visibility: hidden;
}

html.codeblock-enhancer-ready .md-typeset .highlight {
  visibility: visible;
}

.md-typeset .highlight.has-auto-linenums {
  position: relative;
}

.md-typeset .highlight.has-auto-linenums > .filename,
.md-typeset .highlight.has-auto-linenums .filename.auto-codeblock-filename {
  position: absolute;
  top: 0;
  left: var(--site-code-label-left);
  right: var(--site-code-label-right);
  height: var(--site-codebar-height);
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  color: #3c434d;
  font-family: var(--site-heading-font);
  font-size: 0.92rem;
  font-weight: 760;
  line-height: 1;
  letter-spacing: -0.01em;
  pointer-events: none;
  z-index: 4;
}

[data-md-color-scheme="slate"] .md-typeset .highlight.has-auto-linenums > .filename,
[data-md-color-scheme="slate"] .md-typeset .highlight.has-auto-linenums .filename.auto-codeblock-filename {
  color: #e5e7eb;
}

.md-typeset .highlight.has-auto-linenums pre code {
  position: relative;
  padding-left: 0;
  padding-right: 0;
}

.md-typeset .highlight.has-auto-linenums pre code::before {
  content: "";
  position: absolute;
  top: calc(var(--site-codebar-height) + 1px);
  left: 0;
  bottom: 0;
  width: var(--site-code-lineno-width);
  background: var(--site-code-header-bg);
  background-color: var(--site-code-header-bg);
  background-image: none;
  border-right: 1px solid rgba(150, 160, 172, 0.32);
  pointer-events: none;
}

.md-typeset .highlight.has-auto-linenums pre code .code-line {
  position: relative;
  display: block;
  min-height: 1.75em;
  padding-left: var(--site-code-line-padding-left);
  padding-right: 18px;
}

.md-typeset .highlight.has-auto-linenums pre code .code-line::before {
  content: attr(data-line);
  position: absolute;
  left: 0;
  top: 0;
  width: var(--site-code-lineno-width);
  text-align: center;
  color: #69717d;
  user-select: none;
  opacity: 0.95;
}

[data-md-color-scheme="slate"] .md-typeset .highlight.has-auto-linenums pre code .code-line::before {
  color: #8b95a3;
}

[data-md-color-scheme="slate"] .md-typeset .highlight.has-auto-linenums pre code::before {
  background: var(--site-code-header-bg);
  background-color: var(--site-code-header-bg);
  background-image: none;
  border-right: 1px solid rgba(148, 163, 184, 0.24);
}

.md-typeset .highlight {
  position: relative;
  background: transparent;
  overflow: visible;
}

.md-typeset pre {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  margin: 1rem 0 1.2rem;
  padding-top: 0;
}

.md-typeset .highlight pre {
  border-radius: 16px;
  border: 1px solid rgba(171, 177, 187, 0.17);
  background: linear-gradient(180deg, rgba(245, 248, 252, 0.992), rgba(239, 243, 248, 0.978));
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.043);
}

[data-md-color-scheme="slate"] .md-typeset .highlight pre {
  border: 1px solid rgba(122, 132, 147, 0.18);
  background: linear-gradient(180deg, rgba(26, 29, 34, 0.99), rgba(31, 35, 41, 0.97));
  box-shadow: 0 14px 30px rgba(2, 6, 23, 0.20);
}

.md-typeset pre::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--site-codebar-height);
  background: var(--site-code-header-bg);
  border-bottom: 1px solid var(--site-code-header-border);
  z-index: 0;
  pointer-events: none;
}

.md-typeset pre::after {
  content: "";
  position: absolute;
  top: var(--site-code-dot-top);
  left: var(--site-code-dot-left);
  width: var(--site-code-dot-size);
  height: var(--site-code-dot-size);
  border-radius: 50%;
  background: #ff5f57;
  box-shadow:
    var(--site-code-dot-gap) 0 #febc2e,
    calc(var(--site-code-dot-gap) * 2) 0 #28c840;
  z-index: 2;
  pointer-events: none;
}

.md-typeset pre > code {
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  border: 0;
  padding: 0;
}

.md-typeset pre code {
  display: block;
  padding: calc(var(--site-codebar-height) + 12px) 18px 18px 18px;
  font-family: Menlo, Monaco, "SFMono-Regular", Consolas, monospace;
  font-size: 0.95rem;
  line-height: 1.75;
  color: #2f3d4d;
}

[data-md-color-scheme="slate"] .md-typeset pre::before {
  background: var(--site-code-header-bg);
  border-bottom: 1px solid var(--site-code-header-border);
  height: var(--site-codebar-height);
}

[data-md-color-scheme="slate"] .md-typeset pre code {
  color: #dbe7f3;
}

/* =========================================================
   8. 代码块复制按钮系统
   ========================================================= */

.md-typeset .highlight,
.md-typeset pre {
  position: relative;
}

.md-code__nav,
.md-typeset .highlight:hover > .md-code__nav {
  position: absolute;
  top: var(--site-code-copy-top);
  right: var(--site-code-copy-right);
  left: auto;
  bottom: auto;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.34rem;
  padding: 0;
  margin: 0;
  width: auto;
  min-width: 0;
  height: auto;
  min-height: 0;
  background: transparent;
  background-color: transparent;
  background-image: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.md-code__nav::before,
.md-code__nav::after {
  content: none;
  box-shadow: none;
}

.md-code__nav > :not(.md-clipboard):not(button.md-clipboard):not(.md-code__button):not(button.md-code__button)::before,
.md-code__nav > :not(.md-clipboard):not(button.md-clipboard):not(.md-code__button):not(button.md-code__button)::after {
  box-shadow: none;
}

.md-code__nav > :not(.md-clipboard):not(button.md-clipboard):not(.md-code__button[title="复制"]):not(button.md-code__button[title="复制"]):not(.md-code__button[aria-label*="复制"]):not(button.md-code__button[aria-label*="复制"]) {
  background: transparent;
  background-color: transparent;
  background-image: none;
  border: 0;
  box-shadow: none;
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button) {
  position: relative;
  inset: auto;
  z-index: 7;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  flex: 0 0 auto;
  width: auto;
  min-width: 0;
  height: 19px;
  min-height: 29px;
  margin: 0;
  padding: 0 0 0 1.16rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  background-color: transparent;
  background-image: none;
  box-shadow: none;
  outline: 0;
  transform: none;
  appearance: none;
  -webkit-appearance: none;
  -webkit-tap-highlight-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  overflow: visible;
  isolation: isolate;
  opacity: 1;
  color: #8f8f93;
  font-size: 0.84rem;
  font-weight: 560;
  line-height: 1;
  letter-spacing: 0;
  text-indent: 0;
  white-space: nowrap;
  transition: color 0.18s ease, opacity 0.18s ease;
}

[data-md-color-scheme="slate"] :is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button) {
  color: rgba(226, 232, 240, 0.94);
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button)::before {
  content: "复制";
  display: inline-block;
  position: static;
  inset: auto;
  margin: 0;
  padding: 0;
  background: none;
  background-color: transparent;
  background-image: none;
  box-shadow: none;
  color: inherit;
  font: inherit;
  line-height: 1;
  letter-spacing: 0;
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button)::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 50%;
  width: 19px;
  height: 19px;
  margin: 0;
  transform: translateY(-50%);
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18' fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'><rect x='2.7' y='4.8' width='9.2' height='10.1' rx='2.1'/><rect x='6.1' y='2.1' width='9.2' height='10.1' rx='2.1'/></svg>");
  mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18' fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'><rect x='2.7' y='4.8' width='9.2' height='10.1' rx='2.1'/><rect x='6.1' y='2.1' width='9.2' height='10.1' rx='2.1'/></svg>");
  border: 0;
  border-radius: 0;
  box-shadow: none;
  z-index: auto;
  opacity: 0.98;
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button) > * {
  display: none;
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button):hover,
:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button).focus-visible,
:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button):focus,
:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button):focus-visible {
  background: transparent;
  background-color: transparent;
  border-color: transparent;
  color: #8f8f93;
  box-shadow: none;
  outline: none;
}

[data-md-color-scheme="slate"] :is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button):hover,
[data-md-color-scheme="slate"] :is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button).focus-visible,
[data-md-color-scheme="slate"] :is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button):focus,
[data-md-color-scheme="slate"] :is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button):focus-visible {
  background: transparent;
  background-color: transparent;
  border-color: transparent;
  color: rgba(226, 232, 240, 0.94);
  box-shadow: none;
  outline: none;
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button):active {
  transform: none;
  background: transparent;
  background-color: transparent;
  border-color: transparent;
  box-shadow: none;
  outline: none;
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button).is-copied {
  background: transparent;
  background-color: transparent;
  border-color: transparent;
  color: #8f8f93;
  box-shadow: none;
  outline: none;
}

[data-md-color-scheme="slate"] :is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button).is-copied {
  background: transparent;
  background-color: transparent;
  border-color: transparent;
  color: rgba(226, 232, 240, 0.98);
  box-shadow: none;
  outline: none;
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button).is-copied::before {
  content: "已复制";
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button).is-copied::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 50%;
  width: 21px;
  height: 21px;
  margin: 0;
  transform: translateY(-50%);
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><path d='M4.2 9.4 7.3 12.5 13.8 5.9'/></svg>");
  mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><path d='M4.2 9.4 7.3 12.5 13.8 5.9'/></svg>");
  border: 0;
  border-radius: 0;
  box-shadow: none;
  z-index: auto;
}

.md-dialog[data-md-component="dialog"],
.md-snackbar,
.md-snackbar--active,
.md-toast,
.md-toast--active,
.md-tooltip,
.md-tooltip--active,
.md-status,
.md-status--active,
[class*="snackbar"],
[class*="toast"],
[class*="tooltip"],
[class*="announce"],
[data-md-component="snackbar"],
[data-md-component="toast"],
[data-md-component="announce"] {
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button)::-moz-focus-inner {
  border: 0;
}

:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button).focus-visible,
:is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button):focus-visible,
[data-md-color-scheme="slate"] :is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button).focus-visible,
[data-md-color-scheme="slate"] :is(.md-clipboard, button.md-clipboard, .md-code__button, button.md-code__button):focus-visible {
  -webkit-focus-ring-color: transparent;
  outline: none;
  box-shadow: none;
}

/* =========================================================
   9. Footer
   ========================================================= */

.md-footer {
  flex: 0 0 auto;
  margin-top: auto;
  position: relative;
  overflow: hidden;
  align-self: stretch;
  margin-bottom: 0;
  isolation: isolate;
  z-index: 2;
  background:
    radial-gradient(circle at 18% 50%, rgba(59, 130, 246, 0.16), transparent 24%),
    radial-gradient(circle at 82% 50%, rgba(99, 102, 241, 0.14), transparent 22%),
    var(--site-footer-shell-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  will-change: auto;
}

.md-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.06),
    transparent 16%,
    transparent 84%,
    rgba(255, 255, 255, 0.04)
  );
  opacity: 0.75;
}

.md-footer-meta {
  background: transparent;
  padding: 0;
}

.md-footer .md-grid,
.md-footer-meta__inner,
.md-footer-meta__inner.md-grid {
  width: min(100%, var(--site-shell-max-width));
  max-width: var(--site-shell-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--site-shell-padding-left);
  padding-right: var(--site-shell-padding-right);
  box-sizing: border-box;
}

.md-footer-meta__inner,
.md-footer-meta__inner.md-grid {
  position: relative;
  z-index: 1;
  min-height: 82px;
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
  gap: 1rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  padding-right: calc(var(--site-shell-padding-right) + 18rem);
  grid-template-columns: none;
  grid-template-areas: none;
  grid-auto-flow: initial;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.78);
  transform: none;
}

.md-copyright {
  min-width: 0;
  flex: 1 1 auto;
  justify-self: auto;
  font-weight: 500;
  opacity: 0.96;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.custom-footer-time {
  position: absolute;
  top: 50%;
  right: var(--site-shell-padding-right);
  flex: 0 0 auto;
  margin-left: 0;
  justify-self: auto;
  transform: translateY(-50%);
  padding: 0.58rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
  letter-spacing: 0.01em;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 10px 26px rgba(2, 6, 23, 0.24);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  z-index: 1;
}

/* =========================================================
   10. 响应式
   ========================================================= */

@media screen and (max-width: 76.2344em) {
  .md-footer-meta__inner,
  .md-footer-meta__inner.md-grid,
  .md-footer .md-grid {
    max-width: 100%;
    width: 100%;
    padding-left: 0.7rem;
    padding-right: 0.7rem;
    box-sizing: border-box;
  }

  .md-sidebar--primary > .md-sidebar__scrollwrap > .md-sidebar__inner > .md-nav--primary {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    padding: 0.5rem 0.74rem 0.65rem;
    border-radius: 0;
  }

  .md-grid {
    max-width: 100%;
    padding-left: 0.7rem;
    padding-right: 0.7rem;
    box-sizing: border-box;
  }

  .home-hero {
    grid-template-columns: 1fr;
    padding: 1.22rem 1.14rem;
  }

  .home-hero__title {
    font-size: 1.96rem;
  }

  .home-hero__summary,
  .overview-hero__summary {
    font-size: 0.94rem;
  }

  .home-strip,
  .overview-band,
  .overview-grid,
  .overview-grid--two {
    grid-template-columns: 1fr;
  }

  .home-engine-grid {
    grid-template-columns: 1fr;
  }

  .home-engine-card--featured {
    grid-row: auto;
  }

  .md-tabs__link {
    min-width: 68px;
    height: 34px;
    padding: 0 0.86rem;
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.92);
  }

  .md-main__inner::after {
    content: none;
  }
}

@media screen and (min-width: 45em) and (max-width: 76.2344em) {
  html.site-browser-safari .site-sidebar-toggle,
  html.site-browser-safari .site-toc-toggle {
    display: none;
  }

  html.site-browser-safari .md-sidebar--primary {
    width: min(calc(100vw - 3rem), 15.125rem);
    min-width: min(calc(100vw - 3rem), 15.125rem);
    max-width: min(calc(100vw - 3rem), 15.125rem);
    height: 100dvh;
    max-height: 100dvh;
    inset: 0 auto 0 0;
    left: 0;
    right: auto;
    margin: 0;
    padding: 0;
    z-index: 1200;
    transform: translate3d(-100%, 0, 0);
    transition: transform 0.25s ease;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.985);
    box-shadow: 12px 0 32px rgba(15, 23, 42, 0.18);
    opacity: 1;
  }

  html.site-browser-safari [data-md-color-scheme="slate"] .md-sidebar--primary {
    background: rgba(15, 23, 42, 0.985);
    box-shadow: 12px 0 32px rgba(2, 6, 23, 0.30);
  }

  html.site-browser-safari [data-md-toggle="drawer"]:checked ~ .md-container .md-sidebar--primary {
    transform: translate3d(0, 0, 0);
    visibility: visible;
    pointer-events: auto;
  }

  html.site-browser-safari [data-md-toggle="drawer"]:not(:checked) ~ .md-container .md-sidebar--primary {
    transform: translate3d(-100%, 0, 0);
    visibility: hidden;
    pointer-events: none;
  }

  html.site-browser-safari .md-sidebar--primary .md-sidebar__scrollwrap {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    min-width: 100%;
    height: 100%;
    max-height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
    box-sizing: border-box;
  }

  html.site-browser-safari .md-sidebar--primary .md-sidebar__inner {
    width: 100%;
    min-width: 100%;
    height: 100%;
    max-height: 100%;
    overflow: visible;
    box-sizing: border-box;
  }
}

@media screen and (max-width: 44.9375em) {
  .site-sidebar-toggle {
    display: none;
  }

  .site-toc-toggle,
  .md-sidebar--secondary {
    display: none;
  }

  .md-sidebar--primary,
  .md-sidebar--primary .md-sidebar__scrollwrap,
  .md-sidebar--primary .md-sidebar__inner {
    max-height: 100dvh;
  }

  .md-sidebar--primary {
    position: fixed;
    inset: 0 auto 0 0;
    width: 78vw;
    max-width: 18rem;
    min-width: 16rem;
    height: 100dvh;
    margin: 0;
    padding: 0;
    z-index: 1200;
    display: block;
    background: rgba(255, 255, 255, 0.985);
    box-shadow: 12px 0 32px rgba(15, 23, 42, 0.18);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  [data-md-color-scheme="slate"] .md-sidebar--primary {
    background: rgba(15, 23, 42, 0.985);
    box-shadow: 12px 0 32px rgba(2, 6, 23, 0.30);
  }

  [data-md-toggle="drawer"]:checked ~ .md-container .md-sidebar--primary {
    transform: translateX(0);
  }

  [data-md-toggle="drawer"]:not(:checked) ~ .md-container .md-sidebar--primary {
    transform: translateX(-100%);
  }

  .md-overlay {
    z-index: 1100;
    background: rgba(15, 23, 42, 0.28);
  }

  .md-main,
  .md-main__inner,
  .md-content,
  .md-content__inner {
    position: relative;
    z-index: 1;
  }

  .md-main__inner,
  .md-main__inner.md-grid {
    display: block;
    grid-template-columns: none;
    grid-template-areas: none;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-left: 0.7rem;
    padding-right: 0.7rem;
    overflow: visible;
  }

  .md-content,
  .md-content__inner {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding-left: 0;
    padding-right: 0;
  }

  .md-sidebar--primary .md-sidebar__scrollwrap {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    min-width: 100%;
    height: 100%;
    max-height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
    background: transparent;
    box-sizing: border-box;
  }

  .md-sidebar--primary .md-sidebar__inner {
    width: 100%;
    min-width: 100%;
    height: 100%;
    max-height: 100%;
    overflow: visible;
    box-sizing: border-box;
  }

  .md-header__inner {
    display: flex;
    align-items: center;
    min-height: 62px;
    padding-left: 0;
    padding-right: 0;
  }

  .md-header .md-grid {
    padding-left: 0.86rem;
    padding-right: 0.76rem;
  }

  .md-tabs .md-grid {
    padding-left: 0.86rem;
    padding-right: 0.76rem;
  }

  .md-header__topic,
  .md-header__ellipsis {
    min-height: 62px;
  }

  .md-header__title {
    min-height: 38px;
    font-size: 0.88rem;
    line-height: 1;
  }

  .md-header__button.md-logo {
    width: 50px;
    height: 50px;
    margin: 0 0.02rem 0 0.28rem;
  }

  .md-header__button.md-logo img,
  .md-header__button.md-logo svg {
    width: 26px;
    height: 26px;
  }

  .md-search__form {
    min-height: 38px;
    border-radius: 13px;
  }

  .md-tabs {
    min-height: 48px;
    align-self: auto;
  }

  .md-tabs__list {
    gap: 0.34rem;
    padding: 0.24rem 0 0.34rem;
  }

  .md-tabs__item {
    flex: 0 0 auto;
  }

  .md-tabs__link {
    min-width: 62px;
    height: 38px;
    padding: 0 0.94rem;
    font-size: 0.82rem;
  }

  .home-hero,
  .overview-hero,
  .overview-band__panel,
  .overview-card,
  .home-panel,
  .home-strip__block,
  .home-engine-card {
    border-radius: 1.12rem;
  }

  .home-hero,
  .overview-hero,
  .overview-band__panel,
  .overview-card,
  .home-panel,
  .home-strip__block,
  .home-engine-card {
    padding-left: 0.92rem;
    padding-right: 0.92rem;
  }

  .home-strip,
  .home-engine-grid,
  .overview-band,
  .overview-grid,
  .overview-grid--two {
    grid-template-columns: 1fr;
  }

  .md-typeset h2 {
    font-size: 1.22rem;
    padding-left: 0;
  }

  .md-footer-meta__inner,
  .md-footer-meta__inner.md-grid,
  .md-footer .md-grid {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.7rem;
    padding-top: 0.9rem;
    padding-bottom: 0.95rem;
  }

  .custom-footer-time {
    display: none;
  }

  .md-main__inner::before {
    content: none;
  }

  .md-main__inner::after {
    content: none;
  }

  .md-code__nav {
    top: 2px;
    right: 8px;
  }

  .md-clipboard::after,
  button.md-clipboard::after,
  .md-code__button::after,
  button.md-code__button::after,
  .md-clipboard.is-copied::after,
  button.md-clipboard.is-copied::after,
  .md-code__button.is-copied::after,
  button.md-code__button.is-copied::after {
    width: 21px;
    height: 21px;
  }
}

/* =========================================================
   11. 动效
   ========================================================= */