:root {
  --bg: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --link: #1f2937;
  --border: #e5e7eb;
  --codebg: #f3f4f6;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.55;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 44px 18px 72px;
}

.hero h1 {
  margin: 0 0 10px;
  letter-spacing: -0.02em;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.1;
}

.authors {
  margin: 0;
  font-size: 16px;
}

.affil, .meta {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.toplinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.link {
  display: inline-block;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--link);
  background: #fff;
}

.link:hover {
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 26px 0;
}

h2 {
  margin: 0 0 10px;
  font-size: 20px;
  letter-spacing: -0.01em;
}

h3 {
  margin: 16px 0 8px;
  font-size: 16px;
}

p { margin: 10px 0; color: var(--text); }

ul {
  margin: 10px 0 0 18px;
  color: var(--text);
}

li { margin: 6px 0; }

code {
  background: var(--codebg);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
}

.figure {
  margin: 16px 0 0;
}

.figwrap {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: #fff;
  box-shadow: var(--shadow);
}

.figwrap img {
  width: 100%;
  border-radius: 10px;
  display: block;
}

.figwrap.placeholder .placeholderbox {
  display: block;
}

.placeholderbox {
  display: none;
  border-radius: 10px;
  padding: 22px 14px;
  background: #fafafa;
  border: 1px dashed var(--border);
}

.ph-title {
  font-weight: 650;
  margin-bottom: 6px;
}

.ph-sub {
  color: var(--muted);
  font-size: 13px;
}

figcaption {
  color: var(--muted);
  font-size: 13px;
  margin-top: 8px;
}

.footer {
  margin-top: 26px;
}

.small {
  color: var(--muted);
  font-size: 12.5px;
}