:root {
  color-scheme: dark;
  --bg: #0a0b0d;
  --paper: #111214;
  --panel: #18191c;
  --panel-2: #202126;
  --ink: #f2f0ec;
  --ink-2: #c8c3bc;
  --ink-3: #8f8b84;
  --ink-4: #68645e;
  --line: rgba(255, 255, 255, 0.13);
  --line-2: rgba(255, 255, 255, 0.08);
  --accent: #f07818;
  --accent-2: #f6a04d;
  --accent-soft: rgba(240, 120, 24, 0.14);
  --danger: #e66a5d;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
  --shadow-sm: 0 12px 34px rgba(0, 0, 0, 0.24);
  --radius: 8px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --color-primary: var(--accent);
  --color-secondary: var(--accent-2);
  --color-text-primary: var(--ink);
  --color-text-secondary: var(--ink-2);
  --color-surface: var(--paper);
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #e7e7ec;
    --paper: #ffffff;
    --panel: #f5f5f7;
    --panel-2: #ececef;
    --ink: #1d1d1f;
    --ink-2: #494a4e;
    --ink-3: #86868b;
    --ink-4: #aeaeb2;
    --line: #e3e3e6;
    --line-2: #ececee;
    --accent: #e8650e;
    --accent-2: #a94f17;
    --accent-soft: #fbeee3;
    --danger: #c54f44;
    --shadow: 0 30px 80px -26px rgba(20, 22, 30, 0.32);
    --shadow-sm: 0 10px 30px rgba(20, 22, 30, 0.08);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 24px 16px 56px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.56;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink);
  font-weight: 650;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: 52px;
  line-height: 0.98;
}

h1 .line {
  display: block;
}

h2 {
  margin-bottom: 12px;
  font-size: 32px;
  line-height: 1.12;
}

h3 {
  margin-bottom: 6px;
  font-size: 16px;
  line-height: 1.28;
}

p {
  margin-bottom: 12px;
  color: var(--ink-2);
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  color: var(--accent-2);
}

b,
strong {
  color: var(--ink);
  font-weight: 650;
}

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

picture {
  display: block;
}

.site-sheet {
  width: min(1180px, calc(100% - 12px));
  margin: 0 auto;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.content {
  width: 100%;
  margin: 0;
  padding: 34px 52px;
  border-top: 1px solid var(--line);
}

.content:first-child {
  border-top: 0;
}

.hero {
  padding-top: 16px;
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-width: 0;
}

.seal {
  display: block;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: 50%;
  object-fit: contain;
}

.org-name {
  color: var(--ink);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.25;
}

.org-sub,
.cap {
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.3;
}

.pill {
  display: inline-flex;
  align-items: center;
  margin-left: auto;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.titleband {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 44px;
  align-items: end;
  padding: 22px 0 18px;
  border-bottom: 1px solid var(--line);
}

.authors {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  color: var(--ink-2);
  font-size: 18px;
  line-height: 1.35;
}

.authors span {
  position: relative;
  padding-right: 18px;
}

.authors span:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: 6px;
  color: var(--ink-4);
}

.tagline {
  align-self: center;
  text-align: right;
}

.tagline .big {
  color: var(--ink);
  font-size: 28px;
  font-weight: 650;
  line-height: 1.08;
}

.tagline .big b {
  color: var(--accent);
}

.tagline p {
  margin: 10px 0 0;
  color: var(--ink-3);
  font-size: 14px;
}

.kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin: 0 0 10px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.kicker .num {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.accent-text {
  color: var(--accent);
}

.section-lead {
  max-width: 900px;
  color: var(--ink-2);
  font-size: 17px;
}

.section-lead.left {
  text-align: left;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
  gap: 14px;
  margin-top: 18px;
}

.media-frame,
.figure-panel {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--panel);
}

.media-frame img {
  width: 100%;
  height: auto;
}

.media-frame video {
  width: 100%;
}

.media-frame picture,
.figure-panel picture {
  width: 100%;
}

.media-frame picture {
  height: 100%;
}

.media-frame.approach {
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-frame.approach img {
  height: auto;
  object-fit: contain;
  padding: 10px;
  background: var(--panel);
}

.hero-video video {
  height: 100%;
  min-height: 310px;
  object-fit: cover;
}

figcaption,
.video-caption {
  margin: 8px 10px 10px;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.4;
}

.setup-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.setup-strip .stat {
  min-width: 0;
  padding: 13px 16px;
  background: var(--panel);
  border-left: 1px solid var(--line);
}

.setup-strip .stat:first-child {
  border-left: 0;
}

.setup-strip .num {
  display: block;
  color: var(--ink);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.setup-strip .accent .num,
.setup-strip .wide .num {
  color: var(--accent);
}

.setup-strip small {
  font-size: 15px;
}

.setup-strip .lab {
  display: block;
  margin-top: 6px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  line-height: 1.35;
  text-transform: uppercase;
}

.setup-strip .wide .num {
  font-size: 17px;
  line-height: 1.2;
}

.nav-row,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.nav-row.compact {
  justify-content: flex-start;
}

.btn,
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #16110d;
}

.btn:hover,
.chip:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  color: var(--accent);
}

.btn.primary:hover {
  background: var(--accent-2);
  color: #16110d;
}

.ms {
  display: inline-flex;
  align-items: center;
  font-family: "Material Symbols Rounded";
  font-size: 18px;
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 24;
  line-height: 1;
}

.idea-grid,
.glance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.glance-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--panel);
}

.card p {
  margin-bottom: 0;
  color: var(--ink-2);
  font-size: 14px;
}

.idea-grid .card h3 {
  margin-bottom: 10px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card .chip {
  align-self: flex-start;
  margin-top: auto;
}

.badge {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 10px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.algo,
.table-panel,
.bar-panel,
.bibtex-wrap {
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--panel);
}

.mono-label {
  margin-bottom: 10px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 14px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
}

.tab {
  appearance: none;
  min-height: 32px;
  padding: 6px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 650;
}

.tab.active {
  background: var(--accent);
  color: #16110d;
}

.tab:focus-visible,
.btn:focus-visible,
.chip:focus-visible,
.bibtex-copy:focus-visible,
#back-to-top:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.figure-panel img {
  width: 100%;
  height: auto;
  background: var(--panel);
}

.method-split {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(360px, 1.26fr);
  gap: 14px;
  align-items: stretch;
}

.algo {
  padding: 15px;
}

.algo .alab {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 11px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.algo .alab b {
  color: var(--accent);
  white-space: nowrap;
}

.algo-equations {
  display: grid;
  gap: 7px;
  margin-bottom: 13px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
}

.algo-equations div {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.42;
}

.algo-equations .eq-label {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.algo ol {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.algo li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  color: var(--ink-2);
  font-size: 12.8px;
  line-height: 1.42;
}

.algo .n {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.algo .hp {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
  margin-top: 14px;
}

.video-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.video-card {
  display: flex;
  flex-direction: column;
  align-self: start;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--panel);
}

.video-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 0;
}

.video-card video {
  width: 100%;
  height: auto;
  background: #050506;
}

.video-card.crop-y video {
  aspect-ratio: 1 / 0.92;
  object-fit: cover;
}

.benchmark-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
  gap: 14px;
  margin-top: 16px;
}

.table-panel,
.bar-panel {
  padding: 16px;
}

.rt {
  width: 100%;
  border-collapse: collapse;
}

.rt th {
  padding: 0 0 10px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-align: right;
  text-transform: uppercase;
}

.rt th:first-child {
  text-align: left;
}

.rt td {
  padding: 8px 0;
  border-bottom: 1px solid var(--line-2);
  color: var(--ink-2);
  font-size: 15px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.rt td:first-child {
  color: var(--ink);
  font-weight: 650;
  text-align: left;
}

.rt td.ours,
.rt td.oa {
  color: var(--accent);
  font-weight: 700;
}

.result-note {
  margin: 12px 0 0;
  color: var(--ink-2);
  font-size: 14px;
}

.rtag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  margin-right: 6px;
  padding: 3px 7px;
  border-radius: 5px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rtag.zs {
  background: var(--accent);
  color: #16110d;
}

.rtag.ft {
  background: var(--panel-2);
  color: var(--ink-2);
}

.bars {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bar .top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 5px;
  color: var(--ink-2);
  font-size: 14px;
}

.bar .val {
  color: var(--ink);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.bar .track {
  overflow: hidden;
  height: 6px;
  border-radius: 999px;
  background: var(--panel-2);
}

.bar .fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--ink-4);
}

.bar.win .name,
.bar.win .val {
  color: var(--accent);
  font-weight: 700;
}

.bar.win .fill {
  background: var(--accent);
}

.list-tight {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  color: var(--ink-2);
  list-style: none;
}

.list-tight li {
  position: relative;
  padding-left: 19px;
}

.list-tight li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.bibtex-wrap {
  position: relative;
  margin-top: 14px;
  overflow: hidden;
}

.bibtex-copy {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;
}

.bibtex-copy:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(240, 120, 24, 0.12);
}

pre {
  margin: 0;
  padding: 16px 56px 16px 16px;
  overflow-x: auto;
  background: #07080a;
  color: #ede9df;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
}

.footer {
  background: var(--panel);
}

.footer-minimal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-meta {
  margin: 0;
  color: var(--ink-2);
  font-size: 14px;
}

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

.footer-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 13px;
}

#back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1101;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

#back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

#back-to-top:hover {
  transform: translateY(-1px);
}

.side-nav {
  position: fixed;
  top: 50%;
  z-index: 1100;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  width: 150px;
  pointer-events: auto;
}

.side-nav ul {
  order: 2;
  width: auto;
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-nav li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
  color: var(--ink-3);
  cursor: pointer;
  font-size: 13px;
  transition: color 0.16s ease;
}

.side-nav li.active {
  color: var(--accent);
}

.side-nav .dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--ink-4);
  transition: background 0.16s ease;
}

.side-nav li.active .dot {
  background: var(--accent);
}

.side-nav .label {
  opacity: 0;
  transform: translateX(6px);
  white-space: nowrap;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.side-nav li:hover .label,
.side-nav li.active .label {
  opacity: 1;
  transform: translateX(0);
}

.side-nav .progress-bar {
  order: 1;
  align-self: stretch;
  width: 4px;
  min-height: 140px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line-2);
  pointer-events: none;
}

.side-nav .progress {
  width: 100%;
  height: 0;
  border-radius: inherit;
  background: var(--accent);
  transition: height 0.15s ease;
}

.side-nav.bottom {
  display: none;
}

@media (max-width: 1100px) {
  .glance-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .method-split,
  .benchmark-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  body {
    padding: 12px 6px 54px;
  }

  .site-sheet {
    width: 100%;
    border-radius: 0;
  }

  .content {
    padding: 26px 18px;
  }

  .masthead,
  .brand {
    align-items: flex-start;
  }

  .masthead,
  .titleband {
    grid-template-columns: 1fr;
    flex-direction: column;
    gap: 14px;
  }

  .tagline {
    text-align: left;
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 27px;
  }

  .authors {
    font-size: 16px;
  }

  .setup-strip,
  .idea-grid,
  .video-grid,
  .video-grid.two {
    grid-template-columns: 1fr;
  }

  .setup-strip .stat,
  .setup-strip .stat:first-child {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .setup-strip .stat:first-child {
    border-top: 0;
  }

  .glance-grid {
    grid-template-columns: 1fr;
  }

  .footer-minimal {
    align-items: flex-start;
    flex-direction: column;
  }

  .algo-equations div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 32px;
  }

  .brand {
    flex-wrap: wrap;
  }

  .pill {
    width: 100%;
    justify-content: center;
  }

  .titleband {
    padding-top: 18px;
  }

  .tagline .big {
    font-size: 23px;
  }

  .hero-video video {
    min-height: 230px;
  }

  .tabs {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    border-radius: var(--radius);
  }

  .tab {
    border-radius: 6px;
  }

  .btn,
  .chip {
    width: 100%;
  }
}