:root {
  --text: #1f2933;
  --muted: #5f6c7b;
  --line: #d8dee8;
  --soft: #f5f7fb;
  --accent: #3766d6;
  --accent-2: #9b2fd6;
  --max-narrow: 960px;
  --max-wide: 1180px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  background: #ffffff;
  font-family: "Noto Sans", Arial, sans-serif;
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.section-narrow,
.section-wide {
  width: min(calc(100vw - 32px), var(--max-narrow));
  margin: 0 auto;
}

.section-wide { width: min(calc(100vw - 32px), var(--max-wide)); }

.hero {
  padding: 72px 0 34px;
  text-align: center;
}

.conference {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: "Google Sans", "Noto Sans", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

h1,
h2 {
  font-family: "Google Sans", "Noto Sans", sans-serif;
  line-height: 1.14;
}

h1 {
  max-width: 980px;
  margin: 0 auto 22px;
  font-size: 3.35rem;
  font-weight: 500;
}

h2 {
  margin: 0 0 18px;
  font-size: 1.9rem;
  font-weight: 500;
}

.authors {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  margin: 0 auto 8px;
  font-size: 1.16rem;
}

.affiliation {
  margin: 0 0 24px;
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  color: white;
  background: #252b36;
  font-weight: 500;
}

.teaser {
  padding: 30px 0 54px;
  text-align: center;
}

.pipeline {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 18px;
  align-items: center;
  margin: 0 auto 24px;
}

.panel {
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 18px 45px rgba(32, 48, 74, 0.12);
}

.panel span {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  color: #fff;
  background: rgba(0, 0, 0, 0.58);
  font-size: 0.9rem;
  font-weight: 500;
}

.image-panel.clean {
  background:
    radial-gradient(circle at 35% 32%, rgba(255,255,255,.8), transparent 4rem),
    radial-gradient(circle at 64% 58%, rgba(55,102,214,.22), transparent 6rem),
    repeating-linear-gradient(135deg, #edf2ff 0 12px, #e2e9ff 12px 24px);
}

.image-panel.semantic {
  background:
    radial-gradient(circle at 30% 34%, rgba(55,102,214,.88), transparent 5rem),
    radial-gradient(circle at 70% 55%, rgba(155,47,214,.72), transparent 6rem),
    linear-gradient(135deg, #121827, #27324a);
}

.image-panel.attack {
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,.12) 0 1px, transparent 1px 9px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.12) 0 1px, transparent 1px 9px),
    conic-gradient(from 180deg at 50% 50%, #3766d6, #9b2fd6, #17a398, #3766d6);
}

.arrow { color: var(--muted); font-size: 1.45rem; }

.teaser h2 {
  max-width: 920px;
  margin: 0 auto;
  color: #343d4a;
  font-size: 1.55rem;
  font-weight: 400;
}

.content-section {
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.content-section p {
  margin: 0 0 16px;
  color: #2f3947;
  font-size: 1.05rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 34px;
  align-items: start;
}

.method-card {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.method-card ol {
  margin: 0;
  padding-left: 1.25rem;
}

.method-card li + li { margin-top: 10px; }

.bibtex {
  margin: 0;
  padding: 18px;
  border-radius: 8px;
  overflow-x: auto;
  background: #151922;
  color: #eef3ff;
  font-family: "Roboto Mono", monospace;
  font-size: 0.92rem;
  line-height: 1.5;
}

footer {
  width: min(calc(100vw - 32px), var(--max-narrow));
  margin: 0 auto;
  padding: 34px 0 48px;
  color: var(--muted);
  text-align: center;
  font-size: 0.95rem;
}

@media (max-width: 840px) {
  .hero { padding-top: 46px; }
  h1 { font-size: 2.35rem; }
  .pipeline { grid-template-columns: 1fr; }
  .arrow { transform: rotate(90deg); }
  .two-column { grid-template-columns: 1fr; }
}

.paper-figure {
  margin: 0;
}

.paper-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(32, 48, 74, 0.1);
}

.paper-figure figcaption {
  max-width: 980px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
  text-align: left;
}

.hero-figure {
  margin-bottom: 24px;
}

.figure-section h2 {
  text-align: center;
}

.figure-section .paper-figure figcaption {
  text-align: center;
}

.authors sup,
.affiliation sup {
  margin-left: 2px;
  color: var(--accent);
  font-size: 0.7em;
  font-weight: 700;
}

.links .disabled-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.78);
  background: #6b7280;
  font-weight: 500;
  cursor: default;
}