:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-subtle: #f9fafb;
  --text: #1f2937;
  --text-soft: #4b5563;
  --muted: #6b7280;
  --line: #d7dce2;
  --line-soft: #e7eaf0;
  --primary: #2454a6;
  --primary-dark: #173e7c;
  --primary-weak: #e9f0ff;
  --dark: #202734;
  --success: #229d3a;
  --font-sans: "Noto Sans CJK SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --page: 1240px;
  --header-height: 82px;
  --radius: 8px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

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

button {
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
ol,
ul,
dl,
dd,
figure,
blockquote {
  margin-top: 0;
}

p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

::selection {
  color: #ffffff;
  background: var(--primary);
}

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
}

.page-shell {
  width: min(var(--page), calc(100% - 64px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 14px;
  left: 14px;
  padding: 10px 16px;
  border-radius: 4px;
  color: #ffffff;
  background: var(--primary-dark);
  font-size: 16px;
  font-weight: 700;
  transform: translateY(-180%);
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.header-inner {
  width: min(var(--page), calc(100% - 64px));
  min-height: var(--header-height);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.brand img {
  width: 174px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 26px;
  font-size: 16px;
  font-weight: 650;
  white-space: nowrap;
}

.site-nav > a:not(.nav-action) {
  position: relative;
  padding-block: 26px;
  color: var(--text-soft);
  transition: color 160ms ease;
}

.site-nav > a:not(.nav-action)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 17px;
  left: 0;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav > a:hover,
.site-nav > a[aria-current="true"] {
  color: var(--text);
}

.site-nav > a:hover::after,
.site-nav > a[aria-current="true"]::after {
  transform: scaleX(1);
}

.nav-action {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 19px;
  border: 1px solid var(--primary);
  border-radius: 6px;
  color: #ffffff;
  background: var(--primary);
  transition: border-color 160ms ease, background 160ms ease;
}

.nav-action:hover {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
}

.nav-toggle {
  display: none;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.nav-toggle span {
  position: absolute;
  left: 13px;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 160ms ease, top 160ms ease;
}

.nav-toggle span:first-child {
  top: 18px;
}

.nav-toggle span:last-child {
  top: 28px;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  top: 23px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  top: 23px;
  transform: rotate(-45deg);
}

.hero {
  min-height: calc(100vh - var(--header-height));
  padding-block: 104px 120px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(440px, 0.92fr);
  gap: 82px;
  align-items: center;
}

.hero-copy {
  max-width: 700px;
}

.section-label,
.capability-index {
  margin-bottom: 20px;
  color: var(--primary);
  font-size: 16px;
  font-weight: 750;
  line-height: 1.4;
}

.hero h1 {
  max-width: 11.8em;
  margin-bottom: 30px;
  font-size: clamp(64px, 5.4vw, 76px);
  font-weight: 720;
  letter-spacing: -0.012em;
  line-height: 1.12;
}

@media (min-width: 380px) {
  .hero-phrase {
    white-space: nowrap;
  }
}

.hero-lead {
  max-width: 35em;
  margin-bottom: 34px;
  color: var(--text-soft);
  font-size: 20px;
  line-height: 1.8;
}

.hero-actions,
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 26px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 17px;
  font-weight: 720;
  line-height: 1.3;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.button-primary {
  border-color: var(--primary);
  color: #ffffff;
  background: var(--primary);
}

.button-primary:hover {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
}

.text-link,
.inline-link,
.doc-links a,
.responsibility a,
.footer-contact {
  font-size: 17px;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 6px;
  transition: color 160ms ease;
}

.text-link,
.inline-link,
.doc-links a,
.footer-contact {
  color: var(--primary);
}

.text-link:hover,
.inline-link:hover,
.doc-links a:hover,
.footer-contact:hover {
  color: var(--primary-dark);
}

.journey-board {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 32px;
}

.journey-heading,
.diagram-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
}

.journey-heading {
  padding-bottom: 26px;
}

.journey-heading span {
  color: var(--muted);
  font-size: 17px;
  font-weight: 600;
}

.journey-heading strong {
  font-size: 28px;
  line-height: 1.3;
}

.journey-steps {
  margin-bottom: 0;
  padding: 0;
  list-style: none;
}

.journey-steps li {
  position: relative;
  min-height: 74px;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  align-items: center;
  border-top: 1px solid var(--line-soft);
}

.journey-steps li > span {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--primary);
  background: var(--surface);
  font-size: 16px;
  font-weight: 750;
  line-height: 1;
}

.journey-steps li > strong {
  font-size: 20px;
  line-height: 1.4;
}

.journey-steps li::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 54px;
  bottom: -20px;
  left: 19px;
  width: 1px;
  background: var(--line);
}

.journey-steps li:last-child::after {
  display: none;
}

.journey-note {
  margin: 22px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  color: var(--text-soft);
  font-size: 17px;
}

.section {
  padding-block: 112px;
}

.section-intro {
  max-width: 850px;
}

.section-intro h2 {
  max-width: 13em;
  margin-bottom: 26px;
  font-size: clamp(44px, 4.2vw, 56px);
  font-weight: 710;
  letter-spacing: -0.01em;
  line-height: 1.18;
}

.section-intro > p:last-child {
  max-width: 39em;
  margin-bottom: 0;
  color: var(--text-soft);
  font-size: 20px;
  line-height: 1.8;
}

.workflow {
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.workflow-track {
  margin: 68px 0 42px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  list-style: none;
}

.workflow-track li {
  min-width: 0;
  padding: 26px 22px 0;
  border-right: 1px solid var(--line-soft);
}

.workflow-track li:first-child {
  padding-left: 0;
}

.workflow-track li:last-child {
  padding-right: 0;
  border-right: 0;
}

.step-number {
  display: block;
  margin-bottom: 30px;
  color: var(--primary);
  font-size: 17px;
  font-weight: 750;
}

.workflow-track h3 {
  margin-bottom: 14px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.35;
}

.workflow-track p {
  margin-bottom: 0;
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.75;
}

.capabilities-intro {
  margin-bottom: 74px;
}

.capability {
  position: relative;
  padding-block: 104px;
  display: grid;
  grid-template-columns: minmax(0, 0.93fr) minmax(500px, 1.07fr);
  gap: 84px;
  align-items: center;
  border-top: 1px solid var(--line);
}

.capability:last-child {
  padding-bottom: 0;
}

.capability-reverse .capability-copy {
  grid-column: 2;
}

.capability-reverse .scan-flow {
  grid-column: 1;
  grid-row: 1;
}

.anchor-target {
  position: absolute;
  top: calc(var(--header-height) * -1);
}

.capability-copy h3 {
  max-width: 10.5em;
  margin-bottom: 26px;
  font-size: clamp(40px, 3.55vw, 50px);
  font-weight: 710;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.capability-lead {
  margin-bottom: 34px;
  color: var(--text-soft);
  font-size: 19px;
  line-height: 1.8;
}

.feature-list {
  margin-bottom: 30px;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.feature-list li {
  padding-block: 18px;
  display: grid;
  grid-template-columns: 158px minmax(0, 1fr);
  gap: 22px;
  border-bottom: 1px solid var(--line);
}

.feature-list strong,
.feature-list span {
  font-size: 17px;
  line-height: 1.65;
}

.feature-list strong {
  color: var(--text);
}

.feature-list span {
  color: var(--text-soft);
}

.doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
}

.paper-flow,
.scan-flow,
.score-model {
  align-self: center;
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.diagram-heading {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
}

.diagram-heading strong {
  font-size: 20px;
  line-height: 1.4;
}

.diagram-heading span {
  color: var(--muted);
  font-size: 16px;
  font-weight: 650;
}

.paper-flow-body {
  min-height: 330px;
  padding-top: 34px;
  display: grid;
  grid-template-columns: minmax(112px, 0.9fr) 26px minmax(210px, 1.35fr) 26px minmax(112px, 0.9fr);
  gap: 10px;
  align-items: center;
}

.question-structure,
.print-output {
  padding: 18px;
  display: grid;
  gap: 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-subtle);
}

.question-structure strong,
.print-output strong {
  margin-bottom: 3px;
  font-size: 18px;
  line-height: 1.4;
}

.question-structure span,
.print-output span {
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.5;
}

.flow-arrow {
  color: var(--primary);
  font-size: 22px;
  font-weight: 750;
  text-align: center;
}

.paper-pair {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.paper-sheet {
  width: 110px;
  height: 176px;
  padding: 15px 12px;
  border: 1px solid #aeb6c2;
  border-radius: 2px;
  background: #ffffff;
}

.paper-sheet > strong {
  display: block;
  margin-bottom: 18px;
  font-size: 16px;
  line-height: 1.3;
}

.exam-paper > i {
  width: 100%;
  height: 1px;
  display: block;
  margin-bottom: 16px;
  background: #aeb6c2;
}

.exam-paper > i:nth-of-type(2) {
  width: 82%;
}

.exam-paper > i:nth-of-type(4) {
  width: 64%;
}

.answer-paper > div {
  margin-bottom: 13px;
  display: flex;
  gap: 6px;
}

.answer-paper > div i {
  width: 11px;
  height: 11px;
  display: block;
  border: 1px solid #8b96a5;
  border-radius: 50%;
}

.answer-paper > b {
  width: 100%;
  height: 38px;
  display: block;
  border: 1px solid #aeb6c2;
}

.scan-flow ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.scan-flow li {
  position: relative;
  min-height: 78px;
  padding: 17px 10px 17px 0;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 17px;
  align-items: center;
  border-bottom: 1px solid var(--line-soft);
}

.scan-flow li:last-child {
  border-bottom: 0;
}

.scan-flow li > span {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--primary);
  background: var(--surface);
  font-size: 16px;
  font-weight: 750;
}

.scan-flow li strong {
  display: block;
  margin-bottom: 2px;
  font-size: 18px;
  line-height: 1.45;
}

.scan-flow li p {
  margin-bottom: 0;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.55;
}

.scan-flow .human-step {
  margin-top: 14px;
  padding: 17px;
  border: 1px solid #b9caec;
  border-radius: 6px;
  background: var(--primary-weak);
}

.scan-flow .human-step > span {
  border-color: var(--primary);
}

.score-path {
  padding-block: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-soft);
}

.score-path span,
.score-path i {
  font-size: 16px;
  font-style: normal;
  line-height: 1.4;
}

.score-path span {
  font-weight: 650;
}

.score-path i {
  color: var(--primary);
}

.score-model table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 16px;
}

.score-model th,
.score-model td {
  padding: 14px 12px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.5;
  text-align: left;
  white-space: nowrap;
}

.score-model th:last-child,
.score-model td:last-child {
  border-right: 0;
}

.score-model thead th {
  color: var(--text-soft);
  background: var(--surface-subtle);
  font-weight: 650;
}

.score-model tbody th {
  font-weight: 700;
}

.score-model td strong {
  color: var(--success);
  font-size: 16px;
}

.responsibility {
  color: #ffffff;
  background: var(--dark);
}

.section-intro-dark .section-label {
  color: #b9cdef;
}

.section-intro-dark > p:last-child {
  color: #d3d8e0;
}

.responsibility-columns {
  margin-top: 68px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-block: 1px solid #46505f;
}

.responsibility-columns article {
  padding-block: 40px 46px;
}

.responsibility-columns article + article {
  padding-left: 64px;
  border-left: 1px solid #46505f;
}

.responsibility-columns h3 {
  margin-bottom: 26px;
  font-size: 28px;
  line-height: 1.35;
}

.responsibility-columns ul {
  margin-bottom: 0;
  padding: 0;
  list-style: none;
}

.responsibility-columns li {
  position: relative;
  padding: 9px 0 9px 26px;
  color: #e1e5eb;
  font-size: 18px;
  line-height: 1.65;
}

.responsibility-columns li::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 0;
  width: 10px;
  height: 2px;
  background: #8ab0ee;
}

.responsibility-note {
  padding-block: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid #46505f;
}

.responsibility-note p,
.student-boundary p {
  margin-bottom: 0;
  color: #d3d8e0;
  font-size: 18px;
}

.responsibility a {
  flex: 0 0 auto;
  color: #b9cdef;
}

.responsibility a:hover {
  color: #ffffff;
}

.student-boundary {
  padding-top: 34px;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.student-boundary strong {
  font-size: 18px;
}

.closing {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.closing-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
  gap: 96px;
  align-items: start;
}

.closing h2 {
  max-width: 12em;
  margin-bottom: 0;
  font-size: clamp(44px, 4.2vw, 56px);
  font-weight: 710;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.closing-copy > p {
  margin-bottom: 22px;
  color: var(--text-soft);
  font-size: 20px;
  line-height: 1.8;
}

.contact-email {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--primary);
  font-size: 20px;
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 6px;
}

.site-footer {
  padding-block: 58px;
  background: var(--bg);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(420px, 1fr);
  gap: 72px;
  align-items: end;
}

.brand-footer img {
  width: 158px;
}

.footer-brand > p {
  max-width: 30em;
  margin: 20px 0 10px;
  color: var(--text-soft);
  font-size: 16px;
}

.footer-contact {
  font-size: 16px;
}

.footer-meta {
  display: grid;
  justify-items: end;
  gap: 22px;
  color: var(--muted);
  font-size: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 26px;
  font-size: 16px;
  font-weight: 650;
}

.footer-links a:hover {
  color: var(--primary);
}

@media (max-width: 1120px) {
  :root {
    --header-height: 76px;
  }

  .js .nav-toggle {
    position: relative;
    display: block;
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .js .site-nav {
    position: fixed;
    z-index: 90;
    top: var(--header-height);
    right: 0;
    left: 0;
    max-height: calc(100vh - var(--header-height));
    padding: 22px 32px 32px;
    display: grid;
    align-content: start;
    justify-content: stretch;
    gap: 0;
    overflow: auto;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-14px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .js .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .js .site-nav > a:not(.nav-action) {
    padding: 17px 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 18px;
  }

  .js .site-nav > a:not(.nav-action)::after {
    display: none;
  }

  .js .site-nav .nav-action {
    min-height: 54px;
    margin-top: 22px;
    font-size: 18px;
  }

  .hero {
    min-height: auto;
    padding-block: 88px 104px;
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .hero-copy {
    max-width: 820px;
  }

  .journey-board {
    width: min(760px, 100%);
  }

  .workflow-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 0;
  }

  .workflow-track li,
  .workflow-track li:first-child,
  .workflow-track li:last-child {
    padding: 28px 28px 34px 0;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .capability,
  .capability-reverse {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .capability-copy,
  .capability-reverse .capability-copy,
  .capability-reverse .scan-flow {
    grid-column: 1;
    grid-row: auto;
  }

  .capability-copy {
    max-width: 780px;
  }

  .paper-flow,
  .scan-flow,
  .score-model {
    width: min(760px, 100%);
  }

  .capability-reverse .scan-flow {
    order: 2;
  }

  .closing-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .closing-copy {
    max-width: 720px;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 70px;
  }

  body {
    font-size: 17px;
  }

  .page-shell,
  .header-inner {
    width: calc(100% - 40px);
  }

  .header-inner {
    gap: 20px;
  }

  .brand img {
    width: 150px;
  }

  .nav-toggle {
    width: 48px;
    height: 48px;
  }

  .js .site-nav {
    padding-inline: 20px;
  }

  .hero {
    padding-block: 68px 80px;
    gap: 48px;
  }

  .section-label,
  .capability-index {
    margin-bottom: 16px;
    font-size: 16px;
  }

  .hero h1 {
    margin-bottom: 24px;
    font-size: clamp(40px, 11vw, 46px);
    letter-spacing: 0;
    line-height: 1.14;
  }

  .hero-lead {
    margin-bottom: 28px;
    font-size: 18px;
    line-height: 1.75;
  }

  .hero-actions,
  .closing-actions {
    align-items: flex-start;
  }

  .journey-board {
    padding: 22px;
  }

  .journey-heading {
    padding-bottom: 18px;
  }

  .journey-heading strong {
    font-size: 24px;
  }

  .journey-steps li {
    min-height: 68px;
  }

  .journey-steps li > strong {
    font-size: 18px;
  }

  .section {
    padding-block: 80px;
  }

  .section-intro h2,
  .closing h2 {
    margin-bottom: 22px;
    font-size: clamp(32px, 9.5vw, 38px);
    letter-spacing: 0;
    line-height: 1.22;
  }

  .section-intro > p:last-child,
  .closing-copy > p {
    font-size: 18px;
    line-height: 1.75;
  }

  .workflow-track {
    margin: 50px 0 34px;
    grid-template-columns: 1fr;
  }

  .workflow-track li,
  .workflow-track li:first-child,
  .workflow-track li:last-child {
    position: relative;
    padding: 0 0 34px 30px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .workflow-track li:last-child {
    padding-bottom: 0;
  }

  .workflow-track li::before {
    content: "";
    position: absolute;
    top: 7px;
    left: -5px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--primary);
  }

  .step-number {
    margin-bottom: 9px;
  }

  .workflow-track h3 {
    margin-bottom: 7px;
  }

  .workflow-track p {
    font-size: 17px;
  }

  .capabilities-intro {
    margin-bottom: 44px;
  }

  .capability {
    padding-block: 80px;
    gap: 42px;
  }

  .capability-copy h3 {
    margin-bottom: 22px;
    font-size: clamp(34px, 9.6vw, 40px);
    letter-spacing: 0;
    line-height: 1.22;
  }

  .capability-lead {
    margin-bottom: 28px;
    font-size: 18px;
    line-height: 1.75;
  }

  .feature-list li {
    padding-block: 17px;
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .feature-list strong,
  .feature-list span {
    font-size: 17px;
  }

  .doc-links {
    display: grid;
    justify-items: start;
  }

  .paper-flow,
  .scan-flow,
  .score-model {
    padding: 20px;
  }

  .diagram-heading {
    align-items: flex-start;
  }

  .paper-flow-body {
    min-height: 0;
    padding-top: 28px;
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }

  .paper-pair {
    padding-block: 6px;
  }

  .question-structure,
  .print-output {
    padding: 18px 20px;
  }

  .score-path {
    padding-block: 24px;
    display: grid;
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 5px;
  }

  .score-path i {
    transform: rotate(90deg);
  }

  .score-model table,
  .score-model tbody,
  .score-model tr,
  .score-model th,
  .score-model td {
    display: block;
    width: 100%;
  }

  .score-model thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .score-model tbody th {
    padding: 16px;
    border-right: 0;
    background: var(--surface-subtle);
  }

  .score-model td {
    padding: 13px 16px;
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: 16px;
    border-right: 0;
  }

  .score-model td::before {
    content: attr(data-label);
    color: var(--muted);
    font-weight: 650;
  }

  .responsibility-columns {
    margin-top: 50px;
    grid-template-columns: 1fr;
  }

  .responsibility-columns article {
    padding-block: 34px;
  }

  .responsibility-columns article + article {
    padding-left: 0;
    border-top: 1px solid #46505f;
    border-left: 0;
  }

  .responsibility-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .student-boundary {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .closing-inner {
    gap: 36px;
  }

  .contact-email {
    font-size: 18px;
  }

  .site-footer {
    padding-block: 48px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .footer-meta {
    justify-items: start;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 420px) {
  .page-shell,
  .header-inner {
    width: calc(100% - 36px);
  }

  .hero-actions,
  .closing-actions {
    display: grid;
    justify-items: start;
  }

  .hero-actions .button,
  .closing-actions .button {
    width: 100%;
  }

  .paper-sheet {
    width: 104px;
  }

  .responsibility-columns li {
    font-size: 17px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}