:root {
  --text: #363636;
  --muted: #6b6b6b;
  --link: #3298dc;
  --border: #dbdbdb;
  --soft: #f5f5f5;
  --button-hover: #f2f2f2;
  --max: 980px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: "Noto Sans", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.62;
}

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

a:hover {
  text-decoration: underline;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  background: #fff;
  font-family: "Google Sans", "Noto Sans", sans-serif;
  font-size: 15px;
}

.topnav a {
  color: #111;
}

.topnav a:hover {
  color: var(--link);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 48px;
}

.paper-header {
  padding: 50px 0 32px;
  text-align: center;
}

h1 {
  max-width: 900px;
  margin: 0 auto 18px;
  font-family: "Google Sans", "Noto Sans", sans-serif;
  font-size: clamp(34px, 5vw, 50px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0;
}

.title-emphasis {
  color: #4F46E5;
  font-weight: 800;
}

.authors {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 19px;
}

.authors a {
  color: var(--link);
}

.affiliation {
  margin: 0 0 18px;
  color: #4a4a4a;
  font-family: "Google Sans", "Noto Sans", sans-serif;
  font-size: 18px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 22px 0 18px;
}

.links a {
  min-width: 104px;
  height: 2.55em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: calc(0.52em - 1px) calc(1.05em - 1px);
  border: 1px solid #363636;
  border-radius: 999px;
  background: #363636;
  color: #fff;
  font-family: "Google Sans", "Noto Sans", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  gap: 7px;
}

.links a:hover {
  border-color: #111;
  background: #111;
  color: #fff;
  text-decoration: none;
}

strong {
  font-weight: 800;
}

.text-emphasis {
  color: #4F46E5;
}

.question-emphasis {
  color: #4F46E5;
}

.warning {
  max-width: 760px;
  margin: 22px auto 0;
  color: #d1242f;
  font-size: 15px;
}

section {
  padding: 32px 0;
}

h2 {
  margin: 0 0 16px;
  font-family: "Google Sans", "Noto Sans", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0;
  text-align: center;
}

h3 {
  margin: 28px 0 10px;
  font-size: 21px;
}

p {
  margin: 0 0 15px;
}

.section-lead {
  font-size: 1.05rem;
}

.experiment-setup {
  margin: 22px 0 30px;
  padding: 16px 18px;
  border-left: 4px solid #4F46E5;
  background: #f7f7ff;
}

.experiment-setup p {
  margin-bottom: 8px;
}

.experiment-setup p:last-child {
  margin-bottom: 0;
}

.ablation-block {
  margin-top: 12px;
}

.research-question {
  margin: 22px 0;
  padding: 16px 18px;
  border-left: 4px solid #4F46E5;
  background: #f7f7ff;
}

.prompt-formula {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 12px;
  margin: 20px 0 10px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--soft);
}

.formula-symbol,
.formula-operator {
  display: flex;
  align-items: center;
  font-family: "Castoro", Georgia, serif;
  font-size: 1.18rem;
}

.formula-term {
  min-width: 170px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 9px 12px;
  border-radius: 5px;
  background: #fff;
  text-align: center;
}

.formula-term strong {
  color: #4F46E5;
  font-family: "Castoro", Georgia, serif;
  font-size: 1.18rem;
}

.formula-term small {
  color: var(--muted);
  font-size: 0.78rem;
}

.formula-caption {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.method-part {
  margin-top: 28px;
}

.method-part h3 {
  margin-bottom: 8px;
}

.part-label {
  margin-right: 7px;
  color: #4F46E5;
}

.method-operations {
  margin: 8px 0 0;
  padding-left: 24px;
}

.method-operations li {
  margin-bottom: 8px;
  padding-left: 4px;
}

figure {
  margin: 28px auto;
  text-align: center;
}

figure img {
  display: block;
  width: 100%;
  max-width: 900px;
  height: auto;
  margin: 0 auto;
  border: 1px solid var(--border);
}

.table-figure {
  max-width: 700px;
}

.table-figure img {
  max-width: 760px;
}

figcaption {
  max-width: 820px;
  margin: 10px auto 0;
  color: var(--muted);
  font-size: 14px;
}

ul li {
  margin-bottom: 10px;
}

table {
  width: 100%;
  margin: 18px 0 6px;
  border-collapse: collapse;
  font-size: 16px;
}

th,
td {
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
}

th {
  background: var(--soft);
  font-weight: 700;
}

pre {
  overflow-x: auto;
  padding: 16px 18px;
  border: 1px solid var(--border);
  background: var(--soft);
  font-size: 14px;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 22px 34px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

footer p {
  max-width: 780px;
  margin: 0 auto 10px;
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .topnav {
    gap: 12px;
  }

  .paper-header {
    padding-top: 34px;
  }

  h1 {
    font-size: 32px;
  }

  .prompt-formula {
    flex-direction: column;
  }

  .formula-symbol,
  .formula-operator {
    justify-content: center;
  }

  .formula-term {
    min-width: 0;
  }
}