:root {
  --bg: #f7f7f7;
  --paper: #fff;
  --ink: #222;
  --muted: #6a6a6a;
  --rule: #d9e2ef;
  --link: #0a58ca;
  --nav1: #eef5ff;
  --nav2: #dbeaff;
  --shadow: rgba(0, 0, 0, .08);
  --rad: 14px;
  --maxw: 800px;
  --page-w: 800px;
  --content-w: calc(var(--page-w) - (2 * var(--g)) - 2px);
  --g: 22px;
  --portrait-w: 220px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

body {
  font: 16px/1.6 Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--bg);
  padding-bottom: 40px
}

html,
body {
  min-width: var(--page-w);
  overflow-x: auto;
  overflow-y: scroll;
  scrollbar-gutter: stable;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

img {
  max-width: 100%;
  display: block
}

a {
  color: var(--link);
  text-decoration: none
}

a:hover {
  text-decoration: underline
}

.wrap {
  width: var(--page-w);
  min-width: var(--page-w);
  margin: 28px auto;
  padding: 0
}

.card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--rad);
  box-shadow: 0 12px 34px var(--shadow);
  width: var(--page-w);
  min-width: var(--page-w);
  margin: 0 auto;
  overflow: hidden;
}

header {
  background: linear-gradient(#fff, #f2f6ff);
  padding: 20px 20px 60px;
  position: relative
}

.mast {
  display: flex;
  gap: 16px;
  align-items: center
}

.mast h1 {
  font-size: 32px
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.text {
  display: flex;
  flex-direction: column;
}

.logo {
  height: 100px;
  width: auto;
}

h1 {
  margin: 0;
}

.tagline {
  margin-top: 2px;
  color: var(--muted);
  font-size: 18px
}

nav {
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  border-bottom: 1px solid var(--rule)
}

.tabs {
  display: flex;
  gap: 10px;
  flex-wrap: nowrap;
  align-items: flex-end
}

.tab {
  padding: 10px 18px;
  border: 1px solid #c9d7ec;
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  background: linear-gradient(var(--nav1), var(--nav2));
  font: 14px/1.1 Verdana, sans-serif;
  color: #2a3a4a
}

.tab.active {
  background: #fff;
  font-weight: 600
}

.shell {
  width: 100%;
  min-width: 100%;
  padding: var(--g)
}

.grid {
  display: grid;
  grid-template-columns: var(--content-w);
  gap: var(--g);
  width: var(--content-w);
  min-width: var(--content-w);
}

h2 {
  font-size: 22px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 6px
}

section+section {
  margin-top: var(--g)
}

ul {
  padding-left: 22px
}

.about-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 16px;
  align-items: start
}

.lead {
  font-size: 16px;
}

.about-media {
  width: var(--portrait-w)
}

.portrait {
  width: var(--portrait-w);
  border-radius: 8px;
  border: 1px solid var(--rule);
  box-shadow: 0 2px 8px var(--shadow);
  margin-bottom: 12px
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0
}

.chip {
  padding: 4px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  font: 12px Verdana, sans-serif;
  background: linear-gradient(#fdfdfd, #f2f6ff);
  color: #314154;
  box-shadow: inset 0 1px 0 #fff
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid #b6c6e3;
  background: linear-gradient(#fff, #e9f1ff);
  font: 14px Verdana, sans-serif;
  color: #1e3a8a;
  box-shadow: inset 0 1px 0 #fff, 0 2px 4px rgba(0, 0, 0, .06);
  margin-top: 10px;
}

.btn:hover {
  filter: brightness(1.03)
}

.btn-block {
  display: block;
  width: var(--portrait-w);
  text-align: center;
  margin-top: 8px
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.box {
  background: #fbfdff;
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 14px
}

.note-box {

  border-left: 4px solid #f0b429;

  background: #fff8e6;

  padding: 14px 16px;

  margin: 18px 0;

  border-radius: 8px;

  font-size: 0.95rem;

}

.note-box strong {

  display: block;

  margin-bottom: 6px;

  color: #7a4b00;

}

.contact {
  list-style: none;
  font: 14px Verdana, sans-serif;
  padding: 0
}

.contact li {
  margin: 6px 0
}

.date {
  color: var(--ink);
  font: 12px Verdana, sans-serif;
  font-weight: bold
}

.desc {
  margin-top: 4px;
  font-size: 14px;
  color: #444;
  font-style: italic;
}

.stacked li+li {
  margin-top: 14px
}

.code-block {
  font: 14px/1.5 "Courier New", monospace;
  background: #f4f8ff;
  border: 1px solid #d7e4f6;
  border-radius: 10px;
  padding: 12px;
  margin: 12px 0;
  overflow: auto;
}

.thumb {
  border-radius: 8px;
  border: 1px solid var(--rule);
  margin-bottom: 10px
}

.doi-badge {
  width: 100%;
  display: flex;
  justify-content: center;
}

figure {
  margin: 20px auto;
  width: fit-content;
  text-align: center;
}

figure img {
  display: block;
  max-width: 100%;
  height: auto;
}

figcaption {
  font-style: italic;
  margin-top: 8px;
  color: #555;
}

hr.sep {
  border: 0;
  border-top: 4px dotted var(--rule);
}

footer {
  padding: 16px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  margin: 28px 0
}