*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    interpolate-size: allow-keywords;
  }
}

body {
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

p {
  text-wrap: pretty;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  text-wrap: balance;
}

ul,
ol {
  list-style: none;
}

a {
  color: currentColor;
}

:root {
  --font-family: "ZCOOL QingKe HuangYou", sans-serif;
  --font-family-sc: "ZCOOL QingKe HuangYou", sans-serif;
  --font-weight: 400;
  --line-height: 1.424;
  --font-size-xs: 0.79rem;
  --font-size-sm: 0.889rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.266rem;
  --font-size-2xl: 1.424rem;
  --font-size-3xl: 1.602rem;
  --font-size-4xl: 1.802rem;
  --font-size-5xl: 2.027rem;

  --font-size-body: var(--font-size-md);
  --font-size-title: var(--font-size-5xl);
  --font-size-figcaption: var(--font-size-2xl);
  --font-size-name: var(--font-size-2xl);

  --color-background: #79171b;
  --color-text: #edc79c;

  --stroke-width: 1.5px;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight);
  line-height: var(--line-height);
  font-size: var(--font-size-body);
  color: var(--color-text);
  background-color: var(--color-background);
}

h1 {
  font-family: var(--font-family);
  font-weight: var(--font-weight);
  line-height: var(--line-height);
  font-size: var(--font-size-title);
}

figcaption {
  font-size: var(--font-size-figcaption);
  text-align: center;
}

[lang="zh"] {
  font-family: var(--font-family-sc);
}

header,
main,
footer {
  width: min(100% - 2rem, 60rem);
  margin: 2rem auto;
}

main {
  width: min(100% - 2rem, 80rem);
}

header,
footer {
  text-align: center;
}

main > * + * {
  margin-block-start: 2em;
}

figure > * + * {
  margin-block-start: 1em;
}

.bump-chart {
  text-align: center;
  overflow-x: auto;
}

.bump-chart > svg {
  display: inline;
  max-width: revert;
}

.bump-chart .axis {
  font-family: revert;
  font-size: var(--font-size-body);
}

.bump-chart .axis .domain {
  display: none;
}

.bump-chart .link__path--back {
  stroke-width: calc(var(--stroke-width) + 2px);
  stroke: var(--color-background);
  transition: stroke-width 0.1s;
}

.bump-chart .link__path--front {
  stroke-width: var(--stroke-width);
  stroke: var(--color-text);
  transition: stroke-width 0.1s;
}

.bump-chart .link.highlighted .link__path--back {
  stroke-width: calc(var(--stroke-width) * 2 + 2px);
}

.bump-chart .link.highlighted .link__path--front {
  stroke-width: calc(var(--stroke-width) * 2);
}

.bump-chart .nodes__series__node__rect {
  stroke-width: var(--stroke-width);
  stroke: var(--color-text);
  fill: var(--color-background);
  transition: fill 0.1s;
}

.bump-chart .nodes__series__node__text {
  font-size: var(--font-size-name);
  fill: var(--color-text);
  transition: fill 0.1s;
}

.bump-chart .nodes__series.highlighted .nodes__series__node__rect {
  fill: var(--color-text);
}

.bump-chart .nodes__series.highlighted .nodes__series__node__text {
  fill: var(--color-background);
}