@font-face {
  font-family: "Home Geist";
  src: url("../font-6a2a6fbc9fb30435/geist.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: light;
  --page: #f7f7f4;
  --text: #232629;
  --title-secondary: #4f565c;
  --secondary: #4c5865;
  --quiet: #4b5866;
  --ambient: rgba(156, 194, 246, .48);
  --ambient-halo: rgba(156, 194, 246, .18);
  --icon: #626c79;
  --line: #dcdedb;
  --accent: #365780;
  --control: #fbfbf9;
  --hover: #e9ecee;
  --pressed: #dce2e7;
  --selection-text: #fff;
  --font-sans: "Home Geist", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --text-display: clamp(3.75rem, 8vw, 6.5rem);
  --text-heading: clamp(1.25rem, 1.1rem + .4vw, 1.5rem);
  --text-body: 1rem;
  --text-caption: .875rem;
  --weight-display: 560;
  --weight-heading: 580;
  --target-size: 44px;
  --radius-entry: 6px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --fast: 180ms;
  --normal: 320ms;
  --theme-duration: 260ms;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #141516;
  --text: #eeefed;
  --title-secondary: #b7bec7;
  --secondary: #b8bdc2;
  --quiet: #b5bec9;
  --ambient: rgba(70, 118, 194, .32);
  --ambient-halo: rgba(70, 118, 194, .12);
  --icon: #a1aab4;
  --line: #34373a;
  --accent: #b0c3e3;
  --control: #1b1d1f;
  --hover: #292d32;
  --pressed: #343b44;
  --selection-text: #141516;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --page: #141516;
    --text: #eeefed;
    --title-secondary: #b7bec7;
    --secondary: #b8bdc2;
    --quiet: #b5bec9;
    --ambient: rgba(70, 118, 194, .32);
    --ambient-halo: rgba(70, 118, 194, .12);
    --icon: #a1aab4;
    --line: #34373a;
    --accent: #b0c3e3;
    --control: #1b1d1f;
    --hover: #292d32;
    --pressed: #343b44;
    --selection-text: #141516;
  }
}
.theme-toggle {
  border: 0;
  background: transparent;
  color: var(--secondary);
  cursor: pointer;
}

.topic-label::after,
.entry-label::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -3px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
}

.brand:focus-visible,
.topic-heading:focus-visible,
.entry:focus-visible,
.footer-link:focus-visible {
  color: var(--accent);
}

.topic-heading:focus-visible .topic-label::after,
.entry:focus-visible .entry-label::after {
  transform: scaleX(1);
}

@media (hover: hover) and (pointer: fine) {
  .brand:hover,
  .footer-link:hover,
  .topic-heading:hover,
  .entry:hover {
    color: var(--accent);
  }

  .topic-heading:hover .topic-label::after,
  .entry:hover .entry-label::after {
    transform: scaleX(1);
  }

  .theme-toggle:hover {
    color: var(--text);
    background: var(--hover);
  }
}

.theme-toggle:active {
  background: var(--pressed);
}

.topic-heading:active,
.entry:active,
.footer-link:active {
  color: var(--accent);
}

@media (prefers-contrast: more) {
  :root {
    --line: var(--quiet);
  }

  .ambient-field {
    display: none;
  }
}

@media (forced-colors: active) {
  .ambient-field {
    display: none;
  }

  .topic::before {
    background: CanvasText;
  }

  .footer {
    border-color: CanvasText;
  }

  .theme-toggle {
    color: ButtonText;
    background: ButtonFace;
    border-color: ButtonBorder;
  }

  .topic-heading,
  .entry,
  .footer-link,
  .brand {
    color: LinkText;
  }

  :focus-visible {
    outline-color: Highlight;
  }
}
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 280px;
  min-height: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
  background: var(--page);
  -webkit-text-size-adjust: 100%;
}

body {
  isolation: isolate;
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  color: var(--text);
  background: var(--page);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.ambient-field {
  position: fixed;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  contain: strict;
  opacity: .85;
  pointer-events: none;
}

.ambient-glow {
  position: absolute;
  width: clamp(360px, 65vw, 980px);
  height: clamp(400px, 78vh, 820px);
  background: radial-gradient(ellipse at center, var(--ambient) 0%, var(--ambient) 18%, var(--ambient-halo) 46%, transparent 76%);
  opacity: .5;
  animation: ambient-wave 12s ease-in-out infinite both, ambient-drift 24s ease-in-out infinite both;
}

.ambient-glow:nth-child(1) {
  --drift-x: 18vw;
  --drift-y: 12vh;
  left: -16%;
  top: -2%;
  animation-delay: -1s, -3s;
}

.ambient-glow:nth-child(2) {
  --drift-x: -14vw;
  --drift-y: 16vh;
  left: 26%;
  top: 4%;
  animation-delay: -5s, -11s;
}

.ambient-glow:nth-child(3) {
  --drift-x: -22vw;
  --drift-y: -18vh;
  left: 58%;
  top: 34%;
  animation-delay: -9s, -19s;
}

@media (max-width: 39.99rem) {
  .ambient-field {
    opacity: .85;
  }

  .ambient-glow {
    width: 135%;
    height: 65%;
  }

  .ambient-glow:nth-child(1) {
    left: -48%;
    top: -12%;
  }

  .ambient-glow:nth-child(2) {
    left: 6%;
    top: 21%;
  }

  .ambient-glow:nth-child(3) {
    left: 24%;
    top: 57%;
  }
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
  -webkit-tap-highlight-color: transparent;
}

svg {
  display: block;
  flex-shrink: 0;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--accent);
  color: var(--selection-text);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.page {
  position: relative;
  z-index: 1;
  container: page / inline-size;
  width: min(100%, 1180px);
  min-height: 100vh;
  min-height: 100svh;
  margin-inline: auto;
  padding: 28px clamp(24px, 4vw, 48px) 24px;
  display: flex;
  flex-direction: column;
}

.masthead,
.brand {
  display: flex;
  align-items: center;
}

.masthead {
  justify-content: space-between;
  min-height: var(--target-size);
}

.brand {
  min-height: var(--target-size);
  gap: 8px;
  border-radius: 8px;
}

.home-mark {
  width: 34px;
  height: var(--target-size);
  display: grid;
  place-items: center;
  margin-left: -7px;
  color: var(--text);
}

.brand-name {
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: -.02em;
}

.theme-toggle {
  width: var(--target-size);
  height: var(--target-size);
  display: grid;
  place-items: center;
  border-radius: 50%;
}

.theme-icon {
  display: none;
}

[data-preference="system"] .theme-system,
[data-preference="light"] .theme-light,
[data-preference="dark"] .theme-dark {
  display: block;
}

.composition {
  flex: 1;
}

.hero {
  --title-offset: clamp(2rem, 9vw, 7.5rem);
  position: relative;
  isolation: isolate;
  min-height: min(680px, 72svh);
  padding-block: 88px 104px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-intro,
.directory,
.hero-title,
.hero-support {
  position: relative;
  z-index: 1;
}

.hero-intro {
  min-width: 0;
}

.hero-title {
  max-width: 100%;
  margin: 0 0 0 -.055em;
  font-size: var(--text-display);
  font-weight: var(--weight-display);
  line-height: 1.02;
  letter-spacing: -.06em;
  font-variant-ligatures: none;
}

.title-mask {
  width: max-content;
  max-width: 100%;
  display: block;
  overflow: hidden;
  padding: 0 .06em .1em 0;
  margin-bottom: -.1em;
}

.title-mask-secondary {
  margin-left: var(--title-offset);
  color: var(--title-secondary);
}

.title-line {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.hero-support {
  margin: 34px 0 0 var(--title-offset);
  display: flex;
  align-items: center;
  gap: 36px;
}

.subtitle {
  margin: 0;
  color: var(--secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.topic-label,
.entry-label {
  position: relative;
}

.directory {
  margin-top: 72px;
}

.directory-heading {
  margin-bottom: 36px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.directory-heading h2 {
  flex-shrink: 0;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 520;
  letter-spacing: -.04em;
}

.directory-line {
  display: block;
  height: 1px;
  flex: 1;
  background: var(--line);
  transform-origin: left;
}

.topics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  scroll-margin-top: 32px;
}

.topic {
  position: relative;
  min-width: 0;
  padding-top: 18px;
}

.topic::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--line);
  transform-origin: left;
}

h2 {
  margin: 0;
  font-size: var(--text-heading);
  font-weight: var(--weight-heading);
  line-height: 1.45;
  letter-spacing: -.015em;
}

.topic-heading {
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-radius: var(--radius-entry);
}

.topic-label {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.topic-links {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.entry {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 9px;
  border-radius: var(--radius-entry);
  color: var(--secondary);
  font-size: 1.0625rem;
}

.entry-label {
  min-width: 0;
  overflow-wrap: anywhere;
}

.footer {
  margin-top: 104px;
  padding-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 24px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: var(--text-caption);
}

.footer-link {
  min-height: var(--target-size);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

@container page (min-width: 48rem) {
  .topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 64px 80px;
  }
}

@container page (min-width: 64rem) {
  .hero {
    min-height: 720px;
    padding-block: 72px 88px;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(440px, .95fr);
    align-items: center;
    gap: 72px;
  }

  .directory {
    margin-top: 0;
  }

  .directory-heading {
    margin-bottom: 28px;
  }

  .directory-heading h2 {
    font-size: 2rem;
  }

  .topics {
    gap: 48px 40px;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 20px 20px 18px;
  }

  .hero {
    --title-offset: clamp(1.5rem, 10vw, 3rem);
    min-height: 560px;
    padding-block: 88px 82px;
    justify-content: flex-start;
  }

  .hero-title {
    font-size: clamp(3.4rem, 16vw, 4.75rem);
  }

  .hero-support {
    margin-top: 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .directory-heading {
    margin-bottom: 28px;
    gap: 20px;
  }

  .topics {
    gap: 44px;
  }

  .topic {
    padding-top: 14px;
  }

  .topic-links {
    margin-top: 10px;
  }

  .footer {
    margin-top: 72px;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 350px) {
  .hero-title {
    font-size: 3.2rem;
  }
}
.type-cursor {
  display: none;
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: .8em;
  border-radius: 1px;
  background: var(--accent);
  pointer-events: none;
}

[data-intro="pending"] .title-line {
  visibility: hidden;
}

[data-intro="typing"] .type-cursor {
  display: block;
}

[data-intro="pending"] [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}

.brand,
.home-mark,
.theme-toggle,
.footer-link,
.topic-heading,
.entry {
  transition: color var(--fast) ease, background-color var(--fast) ease;
}

.topic-label::after,
.entry-label::after {
  transition: transform var(--normal) var(--ease-out);
}

.directory-line,
.topic::before {
  transition: transform 760ms var(--ease-out), background-color var(--theme-duration) ease;
}

[data-scroll="ready"] [data-scroll-reveal]:not([data-scroll-visible]) {
  opacity: 0;
  transform: translateY(24px);
}

[data-scroll="ready"] .directory-heading:not([data-scroll-visible]) .directory-line,
[data-scroll="ready"] .topic:not([data-scroll-visible])::before {
  transform: scaleX(0);
}

@keyframes ambient-wave {
  0%, 100% { opacity: .45; }
  50% { opacity: .95; }
}

@keyframes ambient-drift {
  0%, 100% {
    transform: translate3d(0, 0, 0);
  }
  25% {
    transform: translate3d(calc(var(--drift-x) * .55), calc(var(--drift-y) * -.5), 0);
  }
  50% {
    transform: translate3d(var(--drift-x), var(--drift-y), 0);
  }
  75% {
    transform: translate3d(calc(var(--drift-x) * .25), calc(var(--drift-y) * 1.2), 0);
  }
}

:root[data-theme-transition] body {
  transition: color var(--theme-duration) ease, background-color var(--theme-duration) ease;
}

:root[data-theme-transition] .theme-toggle,
:root[data-theme-transition] .topic,
:root[data-theme-transition] .footer {
  transition: color var(--theme-duration) ease, border-color var(--theme-duration) ease, background-color var(--theme-duration) ease;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }

  [data-intro="pending"] .title-line,
  [data-intro="pending"] [data-reveal] {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  [data-scroll="ready"] [data-scroll-reveal],
  [data-scroll="ready"] .directory-line,
  [data-scroll="ready"] .topic::before {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .type-cursor {
    display: none !important;
  }

  .ambient-glow {
    opacity: .5;
    transform: none !important;
  }
}