:root {
  --sae-bg: #07090d;
  --sae-panel: #0d1219;
  --sae-panel-strong: #111821;
  --sae-ink: #f3f6f8;
  --sae-muted: #9ba9b8;
  --sae-faint: #667483;
  --sae-line: #263342;
  --sae-blue: #6bb7ff;
  --sae-green: #62d49b;
  --sae-red: #d66b75;
  --sae-amber: #d8b56a;
  --sae-shell: 1680px;
  --sae-body: "DM Sans", "Microsoft YaHei", "PingFang SC", sans-serif;
}

html {
  background: var(--sae-bg);
  scroll-padding-top: 92px;
}

.schedule-agent-eval-page {
  margin: 0;
  background: var(--sae-bg);
  color: var(--sae-ink);
  font-family: var(--sae-body);
  font-weight: 400;
}

.schedule-agent-eval-page::before {
  background: var(--sae-bg);
}

.schedule-agent-eval-page nav {
  min-height: 84px;
  padding: 22px 44px;
  background: rgba(7, 9, 13, 0.96);
  border-bottom: 1px solid rgba(107, 183, 255, 0.12);
}

.schedule-agent-eval-page .nav-links a {
  letter-spacing: 0;
}

.schedule-agent-eval-page .nav-cta {
  background: var(--sae-ink);
  color: var(--sae-bg);
}

.schedule-agent-eval-page .nav-cta:hover {
  background: var(--sae-blue);
}

.schedule-agent-eval-page main {
  position: relative;
  z-index: 1;
}

.sae-shell {
  width: min(100%, var(--sae-shell));
  margin: 0 auto;
  padding-inline: 44px;
}

.sae-hero {
  min-height: 100vh;
  padding: 146px 0 120px;
  border-bottom: 1px solid var(--sae-line);
}

.sae-back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 92px;
  color: var(--sae-muted);
  font-size: 14px;
  line-height: 1;
  transition: color 180ms ease;
}

.sae-back-link:hover {
  color: var(--sae-blue);
}

.sae-back-link span {
  color: var(--sae-blue);
  font-size: 20px;
}

.sae-hero__header {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: 80px;
  align-items: end;
}

.sae-kicker,
.sae-section__index,
.sae-role > span {
  margin: 0;
  color: var(--sae-blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

.sae-project-name {
  margin: 16px 0 22px;
  color: var(--sae-muted);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
}

.sae-hero h1 {
  max-width: 1040px;
  margin: 0;
  color: var(--sae-ink);
  font-family: var(--sae-body);
  font-size: 76px;
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: 0;
}

.sae-hero__lead {
  max-width: 620px;
  margin: 0 0 4px;
  color: var(--sae-muted);
  font-size: 19px;
  line-height: 1.85;
}

.sae-hero__meta {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: 80px;
  align-items: start;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--sae-line);
}

.sae-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sae-tags li {
  padding: 8px 13px;
  border: 1px solid var(--sae-line);
  border-radius: 4px;
  color: #c7d1dc;
  font-size: 13px;
  line-height: 1;
}

.sae-role {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 18px;
}

.sae-role p {
  margin: 0;
  color: #c7d1dc;
  font-size: 14px;
  line-height: 1.7;
}

.sae-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 72px 0 0;
  border-top: 1px solid var(--sae-line);
  border-bottom: 1px solid var(--sae-line);
}

.sae-metrics > div {
  min-height: 210px;
  padding: 30px 34px;
}

.sae-metrics > div + div {
  border-left: 1px solid var(--sae-line);
}

.sae-metrics dt,
.sae-result-strip dt {
  color: var(--sae-muted);
  font-size: 14px;
  font-weight: 500;
}

.sae-metrics dd,
.sae-result-strip dd {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin: 30px 0 0;
  font-variant-numeric: tabular-nums;
}

.sae-metrics dd span,
.sae-result-strip dd span {
  color: #788796;
  font-size: 50px;
  font-weight: 600;
  line-height: 1;
}

.sae-metrics dd i,
.sae-result-strip dd i {
  color: var(--sae-blue);
  font-size: 30px;
  font-style: normal;
}

.sae-metrics dd strong,
.sae-result-strip dd strong {
  color: var(--sae-green);
  font-size: 64px;
  font-weight: 650;
  line-height: 0.92;
}

.sae-metrics dd small,
.sae-result-strip dd small {
  margin-left: -18px;
  color: var(--sae-muted);
  font-size: 18px;
}

.sae-metrics__risk dd span,
.sae-result-strip__risk dd span {
  color: var(--sae-red);
}

.sae-figure {
  margin: 64px 0 0;
}

.sae-hero__figure {
  margin-top: 42px;
}

.sae-figure__button {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--sae-line);
  border-radius: 4px;
  background: var(--sae-panel);
  color: inherit;
  cursor: zoom-in;
}

.sae-figure__button img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.sae-figure__button::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color 180ms ease;
}

.sae-figure__button:hover::after,
.sae-figure__button:focus-visible::after {
  border-color: rgba(107, 183, 255, 0.8);
}

.sae-zoom {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(243, 246, 248, 0.26);
  border-radius: 50%;
  background: rgba(7, 9, 13, 0.9);
  color: var(--sae-ink);
  font-size: 18px;
  line-height: 1;
}

.sae-section {
  padding: 132px 0;
  border-bottom: 1px solid var(--sae-line);
}

.sae-section__intro {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.sae-section__intro > div {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(340px, 0.84fr);
  gap: 72px;
  align-items: end;
}

.sae-section__intro h2 {
  max-width: 920px;
  margin: 0;
  color: var(--sae-ink);
  font-family: var(--sae-body);
  font-size: 54px;
  font-weight: 620;
  line-height: 1.18;
  letter-spacing: 0;
}

.sae-section__intro > div > p {
  max-width: 670px;
  margin: 0 0 5px;
  color: var(--sae-muted);
  font-size: 17px;
  line-height: 1.9;
}

.sae-proof-trace {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 86px;
  border-top: 1px solid var(--sae-line);
  border-bottom: 1px solid var(--sae-line);
}

.sae-proof-trace__line {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--sae-blue);
  transform: scaleX(0);
  transform-origin: left;
}

.sae-proof-trace.is-active .sae-proof-trace__line {
  animation: saeTrace 1100ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.sae-proof-trace article {
  min-height: 260px;
  padding: 34px 40px 38px;
}

.sae-proof-trace article + article {
  border-left: 1px solid var(--sae-line);
}

.sae-proof-trace article > span {
  color: var(--sae-blue);
  font-size: 13px;
  font-weight: 700;
}

.sae-proof-trace h3 {
  margin: 48px 0 16px;
  color: var(--sae-ink);
  font-size: 27px;
  font-weight: 600;
  line-height: 1.25;
}

.sae-proof-trace p {
  max-width: 390px;
  margin: 0;
  color: var(--sae-muted);
  font-size: 15px;
  line-height: 1.8;
}

.sae-problem__conclusion {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 54px;
}

.sae-problem__conclusion p {
  margin: 0;
  color: var(--sae-ink);
  font-size: 20px;
  font-weight: 600;
}

.sae-problem__conclusion p:first-child {
  color: var(--sae-green);
}

.sae-problem__conclusion span {
  color: var(--sae-faint);
  font-size: 13px;
}

.sae-gate-rule {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 72px;
  margin-top: 62px;
  padding: 28px 0;
  border-top: 1px solid var(--sae-blue);
  border-bottom: 1px solid var(--sae-line);
}

.sae-gate-rule strong {
  color: var(--sae-blue);
  font-size: 14px;
}

.sae-gate-rule p {
  max-width: 900px;
  margin: 0;
  color: #d7dee5;
  font-size: 20px;
  line-height: 1.7;
}

.sae-figure--wide .sae-figure__viewport {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--sae-blue) var(--sae-panel);
  scrollbar-width: thin;
}

.sae-mobile-chain {
  display: none;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.sae-build-flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 86px 0 0;
  padding: 0;
  border-top: 1px solid var(--sae-blue);
  border-bottom: 1px solid var(--sae-line);
  list-style: none;
}

.sae-build-flow li {
  min-height: 220px;
  padding: 26px 22px 30px;
}

.sae-build-flow li + li {
  border-left: 1px solid var(--sae-line);
}

.sae-build-flow span {
  color: var(--sae-blue);
  font-size: 12px;
  font-weight: 700;
}

.sae-build-flow strong {
  display: block;
  margin-top: 38px;
  color: var(--sae-ink);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}

.sae-build-flow p {
  margin: 14px 0 0;
  color: var(--sae-muted);
  font-size: 14px;
  line-height: 1.7;
}

.sae-source-types {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 34px;
  border-top: 1px solid var(--sae-line);
  border-bottom: 1px solid var(--sae-line);
}

.sae-source-types article {
  padding: 25px 28px 28px;
}

.sae-source-types article + article {
  border-left: 1px solid var(--sae-line);
}

.sae-source-types span {
  color: var(--sae-ink);
  font-size: 15px;
  font-weight: 600;
}

.sae-source-types p {
  margin: 11px 0 0;
  color: var(--sae-muted);
  font-size: 14px;
  line-height: 1.65;
}

.sae-sample-heading,
.sae-action-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 72px;
  align-items: end;
  margin-top: 112px;
}

.sae-sample-heading h3,
.sae-action-heading h3 {
  max-width: 820px;
  margin: 20px 0 0;
  color: var(--sae-ink);
  font-size: 38px;
  font-weight: 600;
  line-height: 1.3;
}

.sae-sample-heading > p {
  max-width: 600px;
  margin: 0 0 5px;
  color: var(--sae-muted);
  font-size: 16px;
  line-height: 1.85;
}

.sae-table-wrap {
  margin-top: 42px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border-top: 1px solid var(--sae-blue);
  scrollbar-color: var(--sae-blue) var(--sae-panel);
  scrollbar-width: thin;
}

.sae-eval-table {
  width: 100%;
  min-width: 1120px;
  border-collapse: collapse;
  table-layout: fixed;
}

.sae-eval-table th {
  padding: 18px 20px;
  border-bottom: 1px solid var(--sae-line);
  color: var(--sae-faint);
  font-size: 12px;
  font-weight: 700;
  text-align: left;
}

.sae-eval-table th:nth-child(1) {
  width: 12%;
}

.sae-eval-table th:nth-child(2) {
  width: 22%;
}

.sae-eval-table th:nth-child(3) {
  width: 21%;
}

.sae-eval-table th:nth-child(4) {
  width: 24%;
}

.sae-eval-table th:nth-child(5) {
  width: 21%;
}

.sae-eval-table td {
  padding: 25px 20px;
  border-bottom: 1px solid var(--sae-line);
  color: #c8d1da;
  font-size: 14px;
  line-height: 1.75;
  vertical-align: top;
}

.sae-eval-table tbody tr:hover {
  background: rgba(107, 183, 255, 0.045);
}

.sae-eval-table td:nth-child(2) {
  color: var(--sae-ink);
  font-size: 16px;
  font-weight: 550;
}

.sae-eval-table td span {
  display: inline-block;
  color: var(--sae-blue);
  font-size: 13px;
  font-weight: 650;
}

.sae-case {
  margin-top: 112px;
  padding-top: 44px;
  border-top: 1px solid var(--sae-line);
}

.sae-case__heading {
  display: grid;
  grid-template-columns: 220px minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: 72px;
  align-items: start;
}

.sae-case__heading h3 {
  max-width: 760px;
  margin: 0;
  color: var(--sae-ink);
  font-size: 42px;
  font-weight: 600;
  line-height: 1.25;
}

.sae-case__heading > p:last-child {
  max-width: 620px;
  margin: 0;
  color: var(--sae-muted);
  font-size: 16px;
  line-height: 1.9;
}

.sae-action-heading {
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: start;
}

.sae-action-heading h3 {
  margin: 0;
}

.sae-action-log {
  margin-top: 42px;
  border-top: 1px solid var(--sae-blue);
}

.sae-action-log__head,
.sae-action-log__row {
  display: grid;
  grid-template-columns: 1.05fr 0.55fr 1.55fr 1.35fr;
}

.sae-action-log__head {
  border-bottom: 1px solid var(--sae-line);
}

.sae-action-log__head span {
  padding: 16px 18px;
  color: var(--sae-faint);
  font-size: 12px;
  font-weight: 700;
}

.sae-action-log__row {
  border-bottom: 1px solid var(--sae-line);
}

.sae-action-log__row > * {
  margin: 0;
  padding: 24px 18px;
  color: #c8d1da;
  font-size: 14px;
  line-height: 1.75;
}

.sae-action-log__row > * + * {
  border-left: 1px solid var(--sae-line);
}

.sae-action-log__row > p:first-child {
  color: var(--sae-ink);
  font-size: 15px;
  font-weight: 550;
}

.sae-action-log__row > span {
  color: var(--sae-blue);
  font-size: 13px;
  font-weight: 650;
}

.sae-results {
  padding-bottom: 160px;
}

.sae-metric-definitions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 56px;
  margin-top: 86px;
}

.sae-metric-definitions article {
  padding: 34px 0 38px;
  border-top: 1px solid var(--sae-blue);
  border-bottom: 1px solid var(--sae-line);
}

.sae-metric-definitions article:nth-child(2) {
  border-top-color: var(--sae-red);
}

.sae-metric-definitions article > span {
  color: var(--sae-blue);
  font-size: 14px;
  font-weight: 700;
}

.sae-metric-definitions article:nth-child(2) > span {
  color: var(--sae-red);
}

.sae-metric-definitions article > p {
  display: grid;
  width: min(100%, 580px);
  margin: 30px 0 22px;
  color: var(--sae-ink);
  font-size: 18px;
}

.sae-metric-definitions article > p i {
  display: block;
  height: 1px;
  margin: 12px 0;
  background: var(--sae-line);
}

.sae-metric-definitions article > p strong {
  font-weight: 550;
}

.sae-metric-definitions small {
  display: block;
  max-width: 650px;
  color: var(--sae-muted);
  font-size: 14px;
  line-height: 1.8;
}

.sae-result-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 64px 0 0;
  border-top: 1px solid var(--sae-line);
  border-bottom: 1px solid var(--sae-line);
}

.sae-result-strip > div {
  min-height: 190px;
  padding: 28px 32px;
}

.sae-result-strip > div + div {
  border-left: 1px solid var(--sae-line);
}

.sae-result-strip dd {
  margin-top: 26px;
}

.sae-reflection {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
  gap: 90px;
  margin-top: 104px;
  padding-top: 42px;
  border-top: 1px solid var(--sae-line);
}

.sae-reflection h3 {
  max-width: 800px;
  margin: 24px 0 22px;
  color: var(--sae-ink);
  font-size: 38px;
  font-weight: 600;
  line-height: 1.3;
}

.sae-reflection article > p:last-child {
  max-width: 760px;
  margin: 0;
  color: var(--sae-muted);
  font-size: 16px;
  line-height: 1.9;
}

.sae-reflection ul {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sae-line);
}

.sae-reflection li {
  padding: 14px 0;
  border-bottom: 1px solid var(--sae-line);
  color: #d7dee5;
  font-size: 15px;
}

.sae-lightbox {
  width: min(96vw, 1840px);
  max-width: none;
  height: min(94vh, 1180px);
  margin: auto;
  padding: 54px 18px 18px;
  overflow: hidden;
  border: 1px solid var(--sae-line);
  border-radius: 4px;
  background: #05070a;
  color: var(--sae-ink);
}

.sae-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.9);
}

.sae-lightbox form {
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 2;
}

.sae-lightbox__close {
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--sae-line);
  border-radius: 50%;
  background: #0c1117;
  color: var(--sae-ink);
  font-size: 25px;
  line-height: 1;
  cursor: pointer;
}

.sae-lightbox__viewport {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  overflow: auto;
}

.sae-lightbox__viewport img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
}

.sae-lightbox.is-wide .sae-lightbox__viewport {
  justify-content: start;
}

.sae-lightbox.is-wide .sae-lightbox__viewport img {
  width: max(100%, 1500px);
  max-width: none;
  max-height: none;
}

.schedule-agent-eval-page .contact-footer {
  min-height: 76vh;
  background: var(--sae-bg);
  border-top: 0;
}

.schedule-agent-eval-page .contact-card h2 {
  max-width: 580px;
  font-size: 42px;
  line-height: 1.2;
  letter-spacing: 0;
  white-space: normal;
}

.schedule-agent-eval-page .contact-card,
.schedule-agent-eval-page .footer-links {
  min-width: 0;
}

.schedule-agent-eval-page .footer-links span {
  color: var(--sae-muted);
}

.schedule-agent-eval-page .footer-links a:hover {
  color: var(--sae-blue);
}

.sae-back-link:focus-visible,
.sae-figure__button:focus-visible,
.sae-table-wrap:focus-visible,
.sae-figure__viewport:focus-visible,
.sae-lightbox__close:focus-visible {
  outline: 2px solid var(--sae-blue);
  outline-offset: 4px;
}

@keyframes saeTrace {
  to {
    transform: scaleX(1);
  }
}

@media (min-width: 761px) and (max-width: 1400px) {
  .sae-section__intro {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 40px;
  }

  .sae-section__intro > div {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.58fr);
    gap: 44px;
  }

  .sae-section__intro h2 {
    font-size: 48px;
  }

  .sae-case__heading {
    grid-template-columns: 150px minmax(0, 1.12fr) minmax(320px, 0.88fr);
    gap: 40px;
  }

  .sae-case__heading h3 {
    font-size: 38px;
  }
}

@media (max-width: 1180px) {
  .sae-hero__header,
  .sae-hero__meta {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .sae-hero h1 {
    font-size: 64px;
  }

  .sae-hero__lead {
    max-width: 820px;
  }

  .sae-section__intro {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 44px;
  }

  .sae-section__intro > div {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .sae-section__intro > div > p {
    max-width: 820px;
  }

  .sae-build-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sae-build-flow li:nth-child(4) {
    border-left: 0;
    border-top: 1px solid var(--sae-line);
  }

  .sae-build-flow li:nth-child(5),
  .sae-build-flow li:nth-child(6) {
    border-top: 1px solid var(--sae-line);
  }

  .sae-source-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sae-source-types article:nth-child(3) {
    border-top: 1px solid var(--sae-line);
    border-left: 0;
  }

  .sae-source-types article:nth-child(4) {
    border-top: 1px solid var(--sae-line);
  }

  .sae-case__heading {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 44px;
  }

  .sae-case__heading > p:last-child {
    grid-column: 2;
  }

  .sae-action-log {
    overflow-x: auto;
  }

  .sae-action-log__head,
  .sae-action-log__row {
    min-width: 1120px;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 72px;
  }

  .schedule-agent-eval-page nav {
    min-height: 70px;
    padding: 18px 20px;
  }

  .sae-shell {
    padding-inline: 20px;
  }

  .sae-hero {
    min-height: auto;
    padding: 112px 0 80px;
  }

  .sae-back-link {
    margin-bottom: 58px;
    font-size: 13px;
  }

  .sae-project-name {
    margin-top: 12px;
    font-size: 17px;
  }

  .sae-hero h1 {
    font-size: 42px;
    line-height: 1.16;
  }

  .sae-hero__lead {
    font-size: 16px;
    line-height: 1.8;
  }

  .sae-hero__meta {
    margin-top: 36px;
    padding-top: 22px;
  }

  .sae-role {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .sae-metrics,
  .sae-result-strip {
    grid-template-columns: 1fr;
    margin-top: 48px;
  }

  .sae-metrics > div,
  .sae-result-strip > div {
    min-height: 144px;
    padding: 24px 4px 28px;
  }

  .sae-metrics > div + div,
  .sae-result-strip > div + div {
    border-top: 1px solid var(--sae-line);
    border-left: 0;
  }

  .sae-metrics dd,
  .sae-result-strip dd {
    gap: 18px;
    margin-top: 20px;
  }

  .sae-metrics dd span,
  .sae-result-strip dd span {
    font-size: 40px;
  }

  .sae-metrics dd strong,
  .sae-result-strip dd strong {
    font-size: 52px;
  }

  .sae-figure,
  .sae-hero__figure {
    margin-top: 30px;
  }

  .sae-figure__button {
    border-radius: 2px;
  }

  .sae-zoom {
    right: 10px;
    bottom: 10px;
    width: 36px;
    height: 36px;
  }

  .sae-section {
    padding: 82px 0;
  }

  .sae-section__intro,
  .sae-section__intro > div {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .sae-section__intro h2 {
    font-size: 36px;
    line-height: 1.25;
  }

  .sae-section__intro > div > p {
    font-size: 15px;
    line-height: 1.85;
  }

  .sae-proof-trace {
    grid-template-columns: 1fr;
    margin-top: 52px;
  }

  .sae-proof-trace article {
    min-height: 0;
    padding: 25px 0 28px;
  }

  .sae-proof-trace article + article {
    border-top: 1px solid var(--sae-line);
    border-left: 0;
  }

  .sae-proof-trace h3 {
    margin-top: 24px;
    font-size: 23px;
  }

  .sae-problem__conclusion {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px 16px;
    margin-top: 38px;
  }

  .sae-problem__conclusion span {
    text-align: right;
  }

  .sae-problem__conclusion p {
    font-size: 17px;
  }

  .sae-gate-rule {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 44px;
  }

  .sae-gate-rule p {
    font-size: 17px;
  }

  .sae-figure--wide .sae-figure__button {
    width: 1120px;
  }

  .sae-figure--matrix .sae-figure__button {
    width: 980px;
  }

  .sae-mobile-chain {
    display: grid;
  }

  .sae-mobile-chain li {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 6px 14px;
    padding: 18px 0;
    border-bottom: 1px solid var(--sae-line);
  }

  .sae-mobile-chain li span {
    grid-row: 1 / 3;
    color: var(--sae-blue);
    font-size: 12px;
    font-weight: 700;
  }

  .sae-mobile-chain li strong {
    color: var(--sae-ink);
    font-size: 16px;
  }

  .sae-mobile-chain li p {
    margin: 0;
    color: var(--sae-muted);
    font-size: 14px;
    line-height: 1.7;
  }

  .sae-build-flow {
    grid-template-columns: 1fr;
    margin-top: 54px;
  }

  .sae-build-flow li {
    min-height: 0;
    padding: 22px 0 24px;
  }

  .sae-build-flow li + li,
  .sae-build-flow li:nth-child(4),
  .sae-build-flow li:nth-child(5),
  .sae-build-flow li:nth-child(6) {
    border-top: 1px solid var(--sae-line);
    border-left: 0;
  }

  .sae-build-flow strong {
    margin-top: 16px;
  }

  .sae-source-types {
    grid-template-columns: 1fr;
    margin-top: 26px;
  }

  .sae-source-types article {
    padding: 20px 0;
  }

  .sae-source-types article + article,
  .sae-source-types article:nth-child(3),
  .sae-source-types article:nth-child(4) {
    border-top: 1px solid var(--sae-line);
    border-left: 0;
  }

  .sae-sample-heading,
  .sae-action-heading {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-top: 76px;
  }

  .sae-sample-heading h3,
  .sae-action-heading h3 {
    margin-top: 14px;
    font-size: 29px;
  }

  .sae-sample-heading > p {
    font-size: 15px;
  }

  .sae-table-wrap {
    margin-top: 30px;
  }

  .sae-case {
    margin-top: 76px;
    padding-top: 30px;
  }

  .sae-case__heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .sae-case__heading h3 {
    font-size: 31px;
  }

  .sae-case__heading > p:last-child {
    grid-column: auto;
    font-size: 15px;
  }

  .sae-action-log {
    margin-top: 30px;
  }

  .sae-metric-definitions {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 54px;
  }

  .sae-metric-definitions article {
    padding: 26px 0 30px;
  }

  .sae-metric-definitions article > p {
    font-size: 16px;
  }

  .sae-reflection {
    grid-template-columns: 1fr;
    gap: 60px;
    margin-top: 72px;
  }

  .sae-reflection h3 {
    font-size: 30px;
  }

  .sae-results {
    padding-bottom: 96px;
  }

  .sae-lightbox {
    width: 100vw;
    height: 100dvh;
    padding: 54px 10px 10px;
    border: 0;
    border-radius: 0;
  }

  .sae-lightbox.is-wide .sae-lightbox__viewport img {
    width: 1320px;
  }

  .schedule-agent-eval-page .contact-footer {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
  }

  .schedule-agent-eval-page .contact-card h2 {
    font-size: 34px;
    white-space: normal;
  }
}

@media (max-width: 430px) {
  .sae-shell {
    padding-inline: 16px;
  }

  .sae-hero h1 {
    font-size: 38px;
  }

  .sae-section__intro h2 {
    font-size: 33px;
  }

  .sae-tags li {
    font-size: 12px;
  }
}

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

  .sae-proof-trace__line {
    transform: scaleX(1);
  }

  .sae-proof-trace.is-active .sae-proof-trace__line {
    animation: none;
  }

  .sae-back-link,
  .sae-figure__button::after {
    transition: none;
  }
}