:root {
  color-scheme: light;
  --ink: #162c43;
  --ink-strong: #10263f;
  --muted: #536477;
  --blue: #155eae;
  --blue-dark: #104d90;
  --blue-pale: #eaf2fc;
  --teal: #166c65;
  --line: #dce4ed;
  --line-soft: #e8edf3;
  --paper: #ffffff;
  --wash: #f6f8fb;
  --radius: 16px;
  --page-width: 1120px;
  --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.lightbox-open,
body.dialog-open {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
summary {
  cursor: pointer;
}

button:disabled,
[aria-disabled="true"] {
  cursor: default;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #1670cf;
  outline-offset: 5px;
  border-radius: 4px;
}

img,
svg {
  vertical-align: middle;
}

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

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--ink-strong);
  line-height: 1.25;
}

sup {
  font-size: 0.65em;
  line-height: 0;
}

::selection {
  color: #0d355b;
  background: #d4e7ff;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(var(--page-width), calc(100% - 48px));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 100;
  padding: 10px 18px;
  transform: translateY(-160%);
  border-radius: 6px;
  color: #fff;
  background: var(--blue-dark);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid rgba(220, 228, 237, 0.85);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.wordmark {
  flex: 0 0 auto;
  color: var(--ink-strong);
  font-size: 22px;
  font-weight: 780;
  line-height: 1;
  letter-spacing: -0.9px;
}

.wordmark .rag,
.wordmark span:not(.wordmark-dot) {
  color: var(--blue);
}

.wordmark-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 5px;
  border-radius: 50%;
  background: var(--teal);
  vertical-align: 3px;
}

.header-nav {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 24px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
}

.header-nav a {
  padding-block: 24px;
  color: #536477;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.header-nav a:hover,
.header-nav a[aria-current="location"],
.header-nav a.is-active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.header-code {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 700;
}

.header-code:hover {
  color: var(--blue);
}

.icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 66px 0 0;
  background: linear-gradient(180deg, #f6f9ff 0%, #fff 73%);
  text-align: center;
}

.hero::before {
  position: absolute;
  z-index: 0;
  inset: 0 0 auto;
  height: 420px;
  background-image: linear-gradient(rgba(80, 126, 175, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(80, 126, 175, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(#000, transparent);
  -webkit-mask-image: linear-gradient(#000, transparent);
  pointer-events: none;
  content: "";
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero .eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 16px;
}

.hero .eyebrow > span:not(.conference-badge) {
  color: #6a8098;
  font-size: 10px;
  letter-spacing: 1.5px;
}

.eyebrow,
.section-kicker {
  color: var(--blue);
  font-size: 11px;
  font-weight: 750;
  line-height: 1.4;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.conference-badge {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 5px 14px;
  border: 1px solid #ccddf1;
  border-radius: 100px;
  color: var(--blue-dark);
  background: #eef5ff;
  font-size: 11px;
  font-weight: 750;
  line-height: 1.4;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.project-name {
  margin-top: 22px;
  color: var(--ink-strong);
  font-size: clamp(54px, 6.3vw, 76px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -3.8px;
}

.project-name .rag {
  color: var(--blue);
}

.paper-title {
  max-width: 940px;
  margin: 21px auto 0;
  font-size: clamp(29px, 3.2vw, 38px);
  font-weight: 620;
  line-height: 1.28;
  letter-spacing: -1.25px;
  text-wrap: balance;
}

.hero-description {
  max-width: 730px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
  text-wrap: balance;
}

.authors {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 28px;
  margin-top: 31px;
  font-size: 17px;
  font-weight: 600;
}

.author {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  white-space: nowrap;
}

.author > a,
.authors > a {
  color: var(--blue);
}

.author > a:hover,
.authors > a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.author-links {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-left: 6px;
  color: #607389;
}

.author-links a:hover {
  color: var(--blue);
}

.author-links .icon {
  width: 15px;
  height: 15px;
}

.affiliations {
  margin-top: 13px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.affiliations span {
  display: inline-block;
}

.corresponding {
  margin-top: 7px;
  color: #68798a;
  font-size: 11px;
}

.institution-link {
  display: inline-block;
  margin-top: 25px;
  border-radius: 4px;
}

.institution-lockup {
  display: block;
  width: 345px;
  max-width: 100%;
  height: auto;
  margin-inline: auto;
}

.resource-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.resource-button {
  display: inline-flex;
  min-height: 43px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 9px 18px;
  border: 1px solid #d4dee9;
  border-radius: 7px;
  color: var(--ink-strong);
  background: #fff;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.resource-button:hover {
  transform: translateY(-1px);
  border-color: #8aaaca;
  background: #f5f9fe;
}

.resource-button.primary {
  border-color: var(--ink-strong);
  color: #fff;
  background: var(--ink-strong);
}

.resource-button.primary:hover {
  border-color: #244b75;
  background: #244b75;
}

.resource-button.dataset {
  background: #fffefa;
}

.resource-button.is-disabled,
.resource-button[aria-disabled="true"] {
  transform: none;
  border-color: #dce2e8;
  color: #6c7885;
  background: #f3f5f7;
}

.hf-icon {
  display: inline-block;
  width: 23px;
  height: 23px;
  flex: 0 0 auto;
  object-fit: contain;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 58px;
  padding: 30px 0 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
}

.metric {
  min-width: 0;
  padding: 0 21px;
}

.metric + .metric {
  border-left: 1px solid var(--line);
}

.metric-value {
  display: block;
  color: var(--blue);
  font-size: 33px;
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -1.3px;
  font-variant-numeric: tabular-nums;
}

.metric-label {
  display: block;
  margin-top: 9px;
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.55;
}

.metric-value > span,
.result-number > span {
  font-size: 0.62em;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.metric-detail {
  display: block;
  margin-top: 4px;
  color: #627285;
  font-size: 11px;
  line-height: 1.55;
}

.section {
  padding-block: 88px;
  scroll-margin-top: 92px;
}

.section-tinted {
  border-block: 1px solid #eef1f6;
  background: var(--wash);
}

.section-heading {
  max-width: 850px;
  margin-bottom: 32px;
}

.section-kicker {
  display: block;
  margin-bottom: 13px;
}

.section-title {
  margin-bottom: 17px;
  font-size: clamp(29px, 3.3vw, 37px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1.3px;
  text-wrap: balance;
}

.section-lead {
  max-width: 820px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.prose {
  max-width: 820px;
  margin-inline: auto;
  color: #45586c;
  font-size: 15px;
  line-height: 1.9;
}

.prose h3 {
  margin-bottom: 12px;
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.4px;
}

.prose + .tab-group {
  margin-top: 28px;
}

.insight + .prose {
  margin-top: 25px;
}

.prose p + p {
  margin-top: 16px;
}

.prose strong,
.section-lead strong {
  color: var(--ink-strong);
  font-weight: 650;
}

.text-link,
.prose a,
.small-note a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.text-link:hover,
.prose a:hover {
  color: var(--blue-dark);
}

.insight {
  margin-top: 26px;
  padding: 17px 22px;
  border-left: 3px solid #6b9dd0;
  border-radius: 0 7px 7px 0;
  color: #274a6c;
  background: #edf4fc;
  font-size: 14px;
  line-height: 1.8;
}

.figure-card {
  margin-top: 32px;
  padding: 22px 24px 21px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 5px 24px rgba(25, 52, 83, 0.025);
}

.figure-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 19px;
}

.figure-topline > span:not(.figure-tag) {
  color: #6a7b8e;
  font-size: 11px;
  line-height: 1.5;
  text-align: right;
}

.figure-tag {
  color: var(--blue);
  font-size: 10px;
  font-weight: 750;
  line-height: 1.4;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.figure-expand {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 12px;
  color: #6a7b8e;
  font-size: 11px;
  font-weight: 500;
}

.figure-expand .icon {
  width: 13px;
  height: 13px;
}

.figure-button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 3px;
  background: #fff;
  cursor: zoom-in;
  text-align: left;
}

.figure-button:hover .figure-expand {
  color: var(--blue);
}

.figure-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-inline: auto;
  object-fit: contain;
}

.figure-caption {
  margin-top: 18px;
  padding-top: 17px;
  border-top: 1px solid var(--line-soft);
  color: #617184;
  font-size: 12px;
  line-height: 1.8;
}

.figure-caption strong {
  color: #3b526b;
  font-weight: 650;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 35px;
  margin-top: 34px;
}

.step {
  min-width: 0;
  padding-top: 20px;
  border-top: 1px solid #cddbea;
}

.step-number {
  display: inline-block;
  margin-bottom: 12px;
  color: #7892ad;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 1px;
}

.step-title {
  margin-bottom: 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.step p,
.detail p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.split-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 27px;
}

.split-copy > * {
  min-width: 0;
}

.split-copy > p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.concept-list {
  display: grid;
  gap: 25px;
  margin-block: 30px;
}

.concept {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: start;
  gap: 20px;
}

.concept-index {
  display: inline-flex;
  width: 35px;
  height: 35px;
  align-items: center;
  justify-content: center;
  border: 1px solid #d7e2ef;
  border-radius: 9px;
  color: var(--blue);
  background: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}

.concept-body h3 {
  margin-bottom: 7px;
  font-size: 17px;
  letter-spacing: -0.2px;
}

.concept-body p {
  max-width: 860px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.method-block {
  min-width: 0;
  padding: 29px 30px;
}

.method-block + .method-block {
  border-left: 1px solid var(--line);
}

.method-label {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.method-block h3 {
  margin-bottom: 14px;
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.6px;
}

.method-block h4 {
  margin: 20px 0 7px;
  font-size: 14px;
  font-weight: 700;
}

.method-block p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.method-block p + p {
  margin-top: 12px;
}

.method-formula {
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  margin-top: 19px;
  padding: 15px 18px;
  border: 1px solid #e2e9f1;
  border-radius: 8px;
  color: #254b71;
  background: #f5f8fc;
  font-family: "Cambria Math", Cambria, Georgia, serif;
  font-size: 17px;
  line-height: 1.6;
  text-align: center;
  white-space: nowrap;
}

.sst-formula {
  margin: 0 0 12px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 23px;
}

.small-note {
  margin-top: 17px;
  color: #647487;
  font-size: 12px;
  line-height: 1.8;
}

.signal-path {
  display: flex;
  align-items: stretch;
  gap: 13px;
  margin: 29px 0;
}

.signal-node {
  display: flex;
  min-width: 0;
  flex: 1 1 0;
  flex-direction: column;
  justify-content: center;
  padding: 19px 18px;
  border: 1px solid #cfdce9;
  border-radius: 10px;
  color: #214a73;
  background: #fff;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.6;
  text-align: center;
}

.signal-node small,
.signal-node span {
  display: block;
  margin-top: 3px;
  color: #637a91;
  font-size: 11px;
  font-weight: 400;
}

.signal-arrow {
  display: flex;
  flex: 0 0 16px;
  align-items: center;
  justify-content: center;
  color: #8aa6c2;
  font-size: 19px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  margin-top: 29px;
}

.detail {
  min-width: 0;
}

.detail h3,
.detail h4 {
  margin-bottom: 9px;
  font-size: 16px;
  font-weight: 650;
}

.tabs {
  display: inline-flex;
  max-width: 100%;
  gap: 4px;
  margin-bottom: 28px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #eef2f7;
}

.tab-button {
  min-height: 39px;
  padding: 9px 22px;
  border: 0;
  border-radius: 6px;
  color: #5b6e82;
  background: transparent;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.45;
  transition: color 150ms ease, background 150ms ease;
}

.tab-button:hover {
  color: var(--blue);
}

.tab-button[aria-selected="true"] {
  color: var(--blue-dark);
  background: #fff;
  box-shadow: 0 1px 4px rgba(20, 50, 86, 0.09);
}

.tab-button > span {
  display: inline-block;
  margin-left: 7px;
  color: #6b8096;
  font-size: 10px;
  font-weight: 450;
}

.tab-group {
  min-width: 0;
}

.tab-panel {
  min-width: 0;
}

.tab-panel > h3 {
  margin-bottom: 13px;
  font-size: 23px;
  letter-spacing: -0.6px;
}

.tab-panel > p {
  max-width: 820px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.result-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 28px 0 8px;
  border-block: 1px solid var(--line);
  background: #fff;
}

.result-highlight {
  min-width: 0;
  padding: 24px 25px;
}

.result-highlight + .result-highlight {
  border-left: 1px solid var(--line);
}

.result-number {
  display: block;
  color: var(--blue);
  font-size: 31px;
  font-weight: 740;
  line-height: 1.15;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
}

.result-label {
  display: block;
  margin-top: 9px;
  color: #2d455e;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.6;
}

.result-note {
  display: block;
  margin-top: 5px;
  color: #68788b;
  font-size: 11px;
  line-height: 1.65;
}

.result-baseline {
  margin-top: 13px;
  text-align: center;
}

.ablation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 28px;
}

.ablation-item {
  min-width: 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.ablation-item h3 {
  margin-bottom: 11px;
  font-size: 18px;
  letter-spacing: -0.4px;
}

.ablation-item p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.latency-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  margin-top: 29px;
}

.latency-stat {
  min-width: 0;
  padding: 24px 0;
  border-top: 2px solid #c5d9ee;
}

.latency-number {
  display: block;
  color: var(--blue);
  font-size: 40px;
  font-weight: 740;
  line-height: 1.15;
  letter-spacing: -1.5px;
  font-variant-numeric: tabular-nums;
}

.latency-number small,
.latency-number > span {
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.4px;
}

.latency-label {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.latency-comparison {
  margin-top: 20px;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.latency-row {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) 68px;
  align-items: center;
  gap: 20px;
}

.latency-row + .latency-row {
  margin-top: 18px;
}

.latency-name {
  color: #51677e;
  font-size: 12px;
  font-weight: 550;
  line-height: 1.4;
}

.latency-track {
  display: block;
  overflow: hidden;
  height: 15px;
  border-radius: 4px;
  background: #f1f4f8;
}

.latency-bar {
  display: block;
  width: var(--bar-width, 100%);
  min-width: 4px;
  height: 100%;
  border-radius: 4px;
  background: #b7c6d8;
}

.latency-bar.ours {
  background: var(--blue);
}

.latency-value {
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 650;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
  margin-top: 28px;
}

.resource-card {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 15px;
  padding: 24px 21px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.resource-card:hover {
  transform: translateY(-2px);
  border-color: #9fbad5;
  box-shadow: 0 5px 18px rgba(22, 51, 83, 0.05);
}

.resource-icon {
  display: inline-flex;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  color: var(--blue);
}

.resource-icon .icon,
.resource-icon .hf-icon {
  width: 26px;
  height: 26px;
}

.resource-copy {
  min-width: 0;
}

.resource-copy h3,
.resource-copy strong {
  display: block;
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.4;
}

.resource-copy p,
.resource-copy span,
.resource-copy small {
  display: block;
  margin-top: 4px;
  color: #65778a;
  font-size: 11px;
  font-weight: 400;
  line-height: 1.6;
}

.resource-arrow {
  flex: 0 0 auto;
  margin-left: auto;
  color: #738ba4;
  font-size: 16px;
}

.citation-box {
  overflow: hidden;
  margin-top: 36px;
  border: 1px solid #d6e0ec;
  border-radius: 12px;
  background: #f5f8fc;
}

.citation-section {
  margin-top: 67px;
  padding-top: 44px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 108px;
}

.citation-section .section-heading {
  margin-bottom: 0;
}

.citation-section .citation-box {
  margin-top: 26px;
}

.citation-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  border-bottom: 1px solid #dce5f0;
  background: #edf2f8;
}

.citation-header h3,
.citation-header span {
  color: #365776;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.2px;
}

.copy-button {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 5px 11px;
  border: 1px solid #c8d6e6;
  border-radius: 5px;
  color: #365776;
  background: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
}

.copy-button:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.copy-button .icon {
  width: 13px;
  height: 13px;
}

.citation-code {
  overflow-x: auto;
  margin: 0;
  padding: 23px;
  color: #2c4c6b;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.9;
  tab-size: 2;
}

.citation-code code {
  font: inherit;
}

.section-divider {
  width: min(var(--page-width), calc(100% - 48px));
  height: 1px;
  margin: 0 auto;
  border: 0;
  background: var(--line);
}

.site-footer {
  padding-block: 31px;
  border-top: 1px solid var(--line);
  background: #f8fafc;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  color: #6a7b8d;
  font-size: 11px;
  line-height: 1.8;
}

.footer-inner a {
  color: #3c5c7d;
}

.footer-inner a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.back-top {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 650;
}

dialog.lightbox {
  width: min(1500px, calc(100vw - 48px));
  max-width: calc(100vw - 48px);
  max-height: calc(100dvh - 48px);
  margin: auto;
  padding: 0;
  border: 1px solid #cbd8e7;
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 20px 100px rgba(10, 28, 48, 0.3);
}

dialog.lightbox:not([open]) {
  display: none;
}

dialog.lightbox[open] {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

dialog.lightbox::backdrop {
  background: rgba(10, 28, 48, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.lightbox-toolbar {
  position: sticky;
  z-index: 1;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: #f5f8fc;
  flex: 0 0 auto;
}

.lightbox-title {
  min-width: 0;
  color: #3a5673;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

.lightbox-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 18px;
}

.lightbox-actions > a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.lightbox-actions > a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.lightbox-actions > a .icon {
  width: 13px;
  height: 13px;
}

.lightbox-viewport {
  min-height: 0;
  max-height: calc(100dvh - 178px);
  flex: 1 1 auto;
  overflow: auto;
  overscroll-behavior: contain;
  background: #fff;
}

.lightbox-note {
  flex: 0 0 auto;
  margin: 0;
  padding: 10px 18px;
  border-top: 1px solid var(--line-soft);
  background: #f7f9fc;
  font-size: 11px;
}

.lightbox-close {
  display: inline-flex;
  min-width: 34px;
  min-height: 34px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 4px 9px;
  border: 1px solid #cdd9e7;
  border-radius: 6px;
  color: #355372;
  background: #fff;
  font-size: 20px;
  line-height: 1;
}

.lightbox-close:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.lightbox-image {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  padding: 20px;
  background: #fff;
}

.toast {
  position: fixed;
  z-index: 50;
  right: 24px;
  bottom: 24px;
  max-width: calc(100vw - 48px);
  padding: 12px 19px;
  border: 1px solid #304e6c;
  border-radius: 8px;
  color: #fff;
  background: var(--ink-strong);
  box-shadow: 0 5px 20px rgba(10, 28, 48, 0.15);
  font-size: 13px;
  line-height: 1.5;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.section-dark {
  color: #dce7f2;
  background: #142d48;
}

.section-dark .section-title,
.section-dark h3 {
  color: #fff;
}

.section-dark .section-kicker,
.section-dark .latency-number {
  color: #a5d0ff;
}

.section-dark .section-lead,
.section-dark .latency-label,
.section-dark .small-note {
  color: #b7c9db;
}

@media (min-width: 1450px) {
  .hero {
    padding-top: 76px;
  }
}

@media (max-width: 1050px) {
  .header-inner {
    gap: 20px;
  }

  .header-nav {
    gap: 16px;
    font-size: 11px;
  }

  .header-code {
    display: none;
  }

  .resource-card {
    gap: 10px;
    padding: 21px 16px;
  }

  .resource-copy h3,
  .resource-copy strong {
    font-size: 13px;
  }

  .signal-node {
    padding-inline: 12px;
    font-size: 13px;
  }
}

@media (max-width: 820px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 0 20px;
    padding-top: 15px;
  }

  .header-code {
    display: inline-flex;
    margin-left: auto;
  }

  .header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 23px;
    margin-top: 4px;
    font-size: 11px;
    scrollbar-width: none;
  }

  .header-nav::-webkit-scrollbar {
    display: none;
  }

  .header-nav a {
    padding-block: 15px 13px;
  }

  .metric {
    padding-inline: 13px;
  }

  .metric-value {
    font-size: 29px;
  }

  .method-block {
    padding: 23px;
  }

  .result-highlight {
    padding-inline: 18px;
  }

  .result-number {
    font-size: 28px;
  }

  .resource-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .resource-card {
    gap: 18px;
    padding: 20px 23px;
  }

  .resource-copy h3,
  .resource-copy strong {
    font-size: 14px;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 116px;
  }

  .container,
  .section-divider {
    width: calc(100% - 40px);
  }

  .hero {
    padding-top: 44px;
  }

  .project-name {
    margin-top: 22px;
    font-size: 56px;
    letter-spacing: -2.7px;
  }

  .paper-title {
    max-width: 570px;
    margin-top: 19px;
    font-size: 29px;
    line-height: 1.3;
    letter-spacing: -0.8px;
  }

  .desktop-break {
    display: none;
  }

  .hero-description {
    margin-top: 20px;
    font-size: 15px;
  }

  .authors {
    gap: 9px 18px;
    margin-top: 26px;
    font-size: 15px;
  }

  .affiliations {
    font-size: 12px;
  }

  .institution-lockup {
    width: 310px;
  }

  .resource-links {
    gap: 9px;
    margin-top: 23px;
  }

  .resource-button {
    min-height: 42px;
    padding: 9px 14px;
    font-size: 12px;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin-top: 39px;
    padding-block: 0;
  }

  .metric {
    padding: 22px 12px;
  }

  .metric:nth-child(odd) {
    border-left: 0;
  }

  .metric:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .metric-value {
    font-size: 30px;
  }

  .metric-label {
    font-size: 11px;
  }

  .metric-detail {
    font-size: 10px;
  }

  .section {
    padding-block: 59px;
    scroll-margin-top: 114px;
  }

  .section-heading {
    margin-bottom: 25px;
  }

  .section-title {
    margin-bottom: 15px;
    font-size: 29px;
    letter-spacing: -0.8px;
  }

  .section-lead {
    font-size: 15px;
    line-height: 1.85;
  }

  .prose {
    font-size: 14px;
  }

  .figure-card {
    margin-top: 26px;
    padding: 16px 13px;
    border-radius: 11px;
  }

  .figure-topline {
    gap: 10px;
    margin-bottom: 15px;
  }

  .figure-expand,
  .figure-tag {
    font-size: 9px;
  }

  .figure-topline > span:not(.figure-tag) {
    font-size: 10px;
  }

  .figure-caption {
    margin-top: 13px;
    padding-top: 13px;
    font-size: 11px;
  }

  .step-grid,
  .split-copy,
  .detail-grid,
  .ablation-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 26px;
  }

  .step {
    padding-top: 15px;
  }

  .step-number {
    margin-bottom: 8px;
  }

  .step-title {
    margin-bottom: 7px;
    font-size: 17px;
  }

  .concept-list {
    gap: 23px;
    margin-block: 26px;
  }

  .concept {
    grid-template-columns: 29px 1fr;
    gap: 13px;
  }

  .concept-index {
    width: 29px;
    height: 29px;
    border-radius: 7px;
    font-size: 10px;
  }

  .concept-body h3 {
    margin-bottom: 8px;
    font-size: 16px;
  }

  .concept-body p {
    font-size: 13px;
  }

  .method-grid {
    grid-template-columns: 1fr;
    margin-top: 26px;
    border-radius: 11px;
  }

  .method-block {
    padding: 24px 22px;
  }

  .method-block + .method-block {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .method-block h3 {
    font-size: 21px;
  }

  .method-formula {
    padding: 12px 10px;
    font-size: 15px;
  }

  .sst-formula {
    margin-bottom: 10px;
    padding: 0;
    font-size: 21px;
  }

  .signal-path {
    flex-direction: column;
    gap: 8px;
  }

  .signal-node {
    padding: 14px 17px;
    font-size: 14px;
  }

  .signal-arrow {
    min-height: 18px;
    transform: rotate(90deg);
    line-height: 1;
  }

  .tabs {
    display: flex;
    margin-bottom: 25px;
  }

  .tab-button {
    flex: 1 1 0;
    padding: 9px 13px;
    font-size: 12px;
  }

  .tab-button > span {
    display: block;
    margin: 3px 0 0;
    font-size: 9px;
  }

  .tab-panel > h3 {
    font-size: 21px;
  }

  .tab-panel > p {
    font-size: 14px;
  }

  .result-summary {
    grid-template-columns: 1fr;
    margin-top: 24px;
  }

  .result-highlight {
    display: grid;
    grid-template-columns: 94px 1fr;
    column-gap: 18px;
    align-items: center;
    padding: 18px 12px;
  }

  .result-highlight + .result-highlight {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .result-number {
    grid-row: 1 / 3;
    font-size: 27px;
  }

  .result-label {
    margin-top: 0;
    font-size: 11px;
  }

  .result-note {
    grid-column: 2;
    margin-top: 2px;
    font-size: 10px;
  }

  .latency-grid {
    gap: 15px;
    margin-top: 26px;
  }

  .latency-stat {
    padding: 19px 0;
  }

  .latency-number {
    font-size: 29px;
    letter-spacing: -1px;
  }

  .latency-number small,
  .latency-number > span {
    font-size: 16px;
  }

  .latency-label {
    margin-top: 8px;
    font-size: 10px;
  }

  .latency-comparison {
    margin-top: 10px;
    padding: 22px 15px;
  }

  .latency-row {
    grid-template-columns: 93px minmax(0, 1fr) 49px;
    gap: 10px;
  }

  .latency-name,
  .latency-value {
    font-size: 10px;
  }

  .latency-track {
    height: 13px;
  }

  .insight {
    padding: 15px 17px;
    font-size: 13px;
  }

  .citation-header {
    padding: 12px 16px;
  }

  .citation-section {
    margin-top: 43px;
    padding-top: 34px;
    scroll-margin-top: 118px;
  }

  .citation-code {
    padding: 19px 16px;
    font-size: 11px;
  }

  .footer-inner {
    align-items: flex-start;
    font-size: 10px;
  }

  dialog.lightbox {
    width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
    max-height: calc(100dvh - 28px);
    border-radius: 8px;
  }

  .lightbox-toolbar {
    padding: 11px 12px;
  }

  .lightbox-title {
    font-size: 11px;
  }

  .lightbox-actions {
    gap: 11px;
  }

  .lightbox-actions > a {
    font-size: 10px;
  }

  .lightbox-note {
    padding: 9px 12px;
    font-size: 10px;
  }

  .lightbox-image {
    min-width: 850px;
    padding: 16px;
  }

  .toast {
    right: 20px;
    bottom: 20px;
    max-width: calc(100vw - 40px);
    font-size: 12px;
  }
}

@media (max-width: 420px) {
  .container,
  .section-divider {
    width: calc(100% - 32px);
  }

  .wordmark {
    font-size: 21px;
  }

  .header-nav {
    gap: 19px;
  }

  .hero {
    padding-top: 36px;
  }

  .project-name {
    font-size: 48px;
    letter-spacing: -2.5px;
  }

  .paper-title {
    font-size: 26px;
    letter-spacing: -0.75px;
  }

  .hero-description {
    font-size: 14px;
  }

  .authors {
    gap: 9px 16px;
    font-size: 14px;
  }

  .institution-lockup {
    width: 285px;
  }

  .resource-button {
    gap: 7px;
    padding-inline: 12px;
    font-size: 11px;
  }

  .resource-button .icon {
    width: 16px;
    height: 16px;
  }

  .hf-icon {
    width: 21px;
    height: 21px;
  }

  .section-title {
    font-size: 27px;
  }

  .section-kicker {
    font-size: 10px;
    letter-spacing: 1.7px;
  }

  .latency-grid {
    gap: 12px;
  }

  .latency-number {
    font-size: 26px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .figure-expand,
  .copy-button,
  .back-top,
  .toast,
  dialog.lightbox {
    display: none !important;
  }

  body {
    color: #000;
    font-size: 11pt;
  }

  .container {
    width: 100%;
  }

  .hero {
    padding-top: 0;
    background: #fff;
  }

  .hero::before {
    display: none;
  }

  .section {
    padding-block: 30px;
  }

  .figure-card {
    break-inside: avoid;
    box-shadow: none;
  }

  .tabs {
    display: none;
  }

  .tab-panel[hidden] {
    display: block !important;
    margin-top: 30px;
  }

  .citation-code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }
}