:root {
  color-scheme: light;
  --color-canvas: #f3f6f8;
  --color-surface: #ffffff;
  --color-surface-soft: #edf5f4;
  --color-ink: #17232d;
  --color-muted: #526471;
  --color-border: #c9d5dc;
  --color-primary: #0b6965;
  --color-primary-strong: #07504d;
  --color-primary-soft: #dff1ef;
  --color-accent: #b56a11;
  --color-success: #14633c;
  --color-success-soft: #e4f4eb;
  --color-danger: #a52a2f;
  --color-danger-soft: #fbe8e9;
  --color-warning: #7b4a08;
  --color-warning-soft: #fff1d9;
  --focus-ring: #075bd8;
  --shadow-card: 0 14px 38px rgb(29 49 63 / 10%);
  --radius-small: 0.55rem;
  --radius-medium: 0.85rem;
  --radius-large: 1.25rem;
  --content-width: 72rem;
  --reading-width: 50rem;
  font-family:
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
    system-ui, sans-serif;
  font-synthesis: none;
}

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

html {
  min-width: 20rem;
  min-height: 100%;
  background: var(--color-canvas);
  color: var(--color-ink);
  line-height: 1.6;
  overflow-x: hidden;
  text-size-adjust: 100%;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgb(11 105 101 / 8%), transparent 27rem),
    var(--color-canvas);
  overflow-x: hidden;
}

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

button,
[role="button"],
input[type="checkbox"],
input[type="radio"],
select {
  cursor: pointer;
}

button,
.button,
input,
select,
textarea {
  min-height: 44px;
}

a {
  color: var(--color-primary-strong);
  text-underline-offset: 0.2em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-small);
  background: var(--color-ink);
  color: #fff;
  font-weight: 700;
  transform: translateY(-180%);
}

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

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.assessment-app,
.noscript-card {
  width: min(100% - 2rem, var(--content-width));
  margin-inline: auto;
}

.assessment-app {
  min-height: 100vh;
  padding-block: clamp(1rem, 3vw, 2.5rem) 3rem;
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.brand-lockup {
  min-width: 0;
}

.brand-eyebrow,
.screen-eyebrow {
  margin: 0 0 0.15rem;
  color: var(--color-primary-strong);
  font-size: 0.88rem;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.brand-title {
  margin: 0;
  font-size: clamp(1.1rem, 2.4vw, 1.55rem);
  line-height: 1.35;
}

.save-status {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  max-width: min(24rem, 46vw);
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1.35;
  text-align: right;
}

.save-status[hidden] {
  display: none;
}

.save-status[data-state="saving"],
.save-status[data-state="pending"] {
  border-color: #ddb77d;
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.save-status[data-state="saved"] {
  border-color: #8cc6a7;
  background: var(--color-success-soft);
  color: var(--color-success);
}

.save-status[data-state="failed"] {
  border-color: #daa0a2;
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.app-main {
  min-width: 0;
}

.interruption-host[hidden] {
  display: none;
}

.interruption-backdrop {
  position: fixed;
  z-index: 1200;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgb(23 35 45 / 72%);
}

.interruption-dialog {
  width: min(100%, 34rem);
  max-height: calc(100vh - 2rem);
  overflow: auto;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 2px solid var(--focus-ring);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: 0 24px 70px rgb(0 0 0 / 30%);
}

.interruption-dialog .screen-heading {
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.screen-card,
.progress-panel,
.message-panel,
.result-container,
.noscript-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.screen-card {
  width: min(100%, var(--reading-width));
  margin-inline: auto;
  padding: clamp(1.25rem, 4vw, 2.5rem);
}

.screen-heading {
  margin: 0;
  font-size: clamp(1.65rem, 4.2vw, 2.45rem);
  line-height: 1.25;
  text-wrap: balance;
}

.screen-lead {
  max-width: 42rem;
  margin: 0.75rem 0 1.4rem;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.9vw, 1.15rem);
}

.screen-body {
  min-width: 0;
}

.screen-body > :first-child {
  margin-top: 0;
}

.screen-body > :last-child {
  margin-bottom: 0;
}

.screen-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.button,
button.button {
  display: inline-flex;
  min-width: 7.5rem;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border: 2px solid transparent;
  border-radius: 0.7rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 750;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
}

.button:active {
  transform: translateY(1px);
}

.button-secondary {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-ink);
}

.button-quiet {
  min-width: auto;
  border-color: transparent;
  background: transparent;
  color: var(--color-primary-strong);
}

.button[disabled],
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.52;
}

.preflight-stepper {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.35rem;
  width: min(100%, var(--reading-width));
  margin: 0 auto 0.85rem;
  padding: 0;
  list-style: none;
}

.preflight-step {
  min-width: 0;
  color: var(--color-muted);
  font-size: 0.76rem;
  line-height: 1.25;
  text-align: center;
}

.preflight-step::before {
  display: block;
  width: 100%;
  height: 0.35rem;
  margin-bottom: 0.4rem;
  border-radius: 999px;
  background: var(--color-border);
  content: "";
}

.preflight-step[data-state="current"] {
  color: var(--color-primary-strong);
  font-weight: 750;
}

.preflight-step[data-state="complete"]::before,
.preflight-step[data-state="current"]::before {
  background: var(--color-primary);
}

.fact-grid,
.device-grid,
.task-overview-grid,
.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.25rem 0;
}

.fact-card,
.device-card,
.task-overview-card,
.result-card {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface-soft);
}

.fact-card strong,
.device-card strong,
.result-card strong {
  display: block;
  margin-bottom: 0.2rem;
}

.fact-card p,
.device-card p,
.task-overview-card p,
.result-card p {
  margin: 0;
  color: var(--color-muted);
}

.device-check-panel {
  margin-block: 1.25rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: #f8fafb;
}

.device-check-panel h2 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.2rem, 2.8vw, 1.5rem);
}

.device-check-list {
  display: grid;
  gap: 0.6rem;
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.device-check-item {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(7.5rem, 0.35fr) minmax(0, 1fr);
  gap: 0.35rem 0.85rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid #d9b985;
  border-left: 0.35rem solid var(--color-warning);
  border-radius: var(--radius-small);
  background: var(--color-warning-soft);
}

.device-check-item[data-state="passed"] {
  border-color: #8cc6a7;
  border-left-color: var(--color-success);
  background: var(--color-success-soft);
}

.device-check-item strong,
.device-check-item span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.device-check-status {
  min-height: 1.6em;
  margin: 0.85rem 0 0;
  font-weight: 750;
}

.device-pointer-test,
.device-service-retry {
  min-height: 48px;
  margin: 0.25rem 0.6rem 0.25rem 0;
}

.field-group {
  margin-block: 1.2rem;
}

.field-label,
.fieldset-legend {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--color-ink);
  font-weight: 750;
}

.field-help {
  margin: 0.4rem 0 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.text-field,
.select-field {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid #8295a1;
  border-radius: var(--radius-small);
  background: #fff;
}

.grade-options,
.choice-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  padding: 0;
  border: 0;
}

.grade-option,
.choice-option {
  position: relative;
  display: flex;
  min-height: 58px;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  font-weight: 700;
}

.grade-option:has(input:checked),
.choice-option:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.grade-option input,
.choice-option input,
.confirmation-row input {
  width: 1.3rem;
  min-width: 1.3rem;
  height: 1.3rem;
  min-height: 1.3rem;
  margin: 0;
  accent-color: var(--color-primary);
}

.confirmation-row {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin-block: 1.1rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: #f8fafb;
}

.confirmation-row label {
  flex: 1;
}

.notice {
  margin-block: 1rem;
  padding: 0.9rem 1rem;
  border-left: 0.3rem solid var(--color-primary);
  border-radius: var(--radius-small);
  background: var(--color-primary-soft);
}

.notice-warning {
  border-left-color: var(--color-accent);
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.notice-danger {
  border-left-color: var(--color-danger);
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.progress-panel {
  width: min(100%, var(--reading-width));
  margin: 0 auto 0.85rem;
  padding: 0.85rem 1rem;
  box-shadow: none;
}

.progress-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.45rem 1rem;
  margin-bottom: 0.65rem;
}

.progress-task {
  font-weight: 800;
}

.progress-phase,
.progress-count {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.progress-bars {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0.85rem;
}

.progress-group {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.progress-group progress {
  width: 100%;
  height: 0.75rem;
  border: 0;
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-border);
}

.progress-group progress::-webkit-progress-bar {
  background: var(--color-border);
}

.progress-group progress::-webkit-progress-value {
  border-radius: 999px;
  background: var(--color-primary);
}

.progress-group progress::-moz-progress-bar {
  border-radius: 999px;
  background: var(--color-primary);
}

.message-panel {
  width: min(100%, var(--reading-width));
  margin: 0 auto 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-medium);
  box-shadow: none;
}

.message-panel[data-tone="success"] {
  border-color: #8cc6a7;
  background: var(--color-success-soft);
  color: var(--color-success);
}

.message-panel[data-tone="error"] {
  border-color: #daa0a2;
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.message-panel[data-tone="warning"] {
  border-color: #ddb77d;
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.mobile-restriction {
  border-color: #ddb77d;
  background: var(--color-warning-soft);
}

.mobile-only-note {
  display: none;
}

.break-card {
  text-align: center;
}

.break-symbol {
  display: grid;
  width: 4.5rem;
  height: 4.5rem;
  place-items: center;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-size: 2rem;
  font-weight: 800;
}

.practice-stage-badge {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  margin-bottom: 0.8rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-size: 0.88rem;
  font-weight: 750;
}

.demonstration-panel {
  margin-block: 1.2rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: #f8fafb;
}

.rapid-quantity-demo {
  display: grid;
  gap: 0.85rem;
}

.rapid-quantity-demo > h3,
.rapid-quantity-demo > p {
  margin: 0;
}

.rapid-quantity-demo-stage {
  display: grid;
  min-height: min(19rem, 52vh);
  place-items: center;
  overflow: hidden;
  padding: 0.75rem;
  border: 1px dashed #78909d;
  border-radius: var(--radius-large);
  background: var(--color-surface-soft);
}

.rapid-quantity-demo-stage > * {
  grid-area: 1 / 1;
}

.rapid-quantity-demo-pattern {
  width: min(100%, 17rem);
  margin: 0;
  background: var(--color-surface);
}

.rapid-quantity-demo-pattern.is-masked::after {
  content: none;
}

.rapid-quantity-demo-stage-message {
  z-index: 1;
  width: min(100%, 24rem);
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  font-size: clamp(1rem, 2.6vw, 1.25rem);
  font-weight: 750;
  text-align: center;
}

.rapid-quantity-demo-status {
  min-height: 1.6em;
  color: var(--color-muted);
  font-weight: 700;
}

.rapid-quantity-demo-answer {
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
}

.rapid-quantity-demo-answer[hidden] {
  display: none;
}

.rapid-quantity-demo-answer .text-field {
  max-width: 10rem;
  font-size: 1.25rem;
  font-weight: 750;
}

.rapid-quantity-demo-play {
  min-height: 48px;
  justify-self: start;
}

.demo-steps {
  display: grid;
  gap: 0.75rem;
  padding-left: 1.5rem;
}

.demo-visual,
.practice-visual {
  display: grid;
  min-height: 7rem;
  place-items: center;
  margin-block: 1rem;
  padding: 1rem;
  border: 1px dashed #78909d;
  border-radius: var(--radius-medium);
  background: var(--color-surface-soft);
  font-size: clamp(1.25rem, 4vw, 2rem);
  text-align: center;
}

.practice-question {
  margin: 0.5rem 0 1rem;
  font-size: clamp(1.2rem, 2.7vw, 1.55rem);
  font-weight: 750;
  line-height: 1.5;
}

.practice-counter {
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}

.practice-feedback {
  margin-top: 1.2rem;
  padding: 1rem;
  border-radius: var(--radius-medium);
}

.practice-feedback[data-correct="true"] {
  border: 1px solid #8cc6a7;
  background: var(--color-success-soft);
  color: var(--color-success);
}

.practice-feedback[data-correct="false"] {
  border: 1px solid #daa0a2;
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.practice-feedback[data-correct="not-scored"] {
  border: 1px solid #9eb5c2;
  background: #eef4f7;
  color: var(--color-ink);
}

.quantity-pattern {
  position: relative;
  display: grid;
  width: min(100%, 18rem);
  aspect-ratio: 1;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.55rem, 2vw, 1rem);
  margin: 1rem auto;
  padding: clamp(1rem, 4vw, 1.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: #f8fafb;
}

.quantity-dot {
  width: clamp(1rem, 5vw, 1.65rem);
  aspect-ratio: 1;
  place-self: center;
  border-radius: 50%;
  background: transparent;
}

.quantity-dot.is-visible {
  background: var(--color-primary);
}

.quantity-pattern.is-masked .quantity-dot {
  visibility: hidden;
}

.quantity-pattern.is-masked::after {
  position: absolute;
  inset: 1rem;
  display: grid;
  place-items: center;
  padding: 1rem;
  border-radius: var(--radius-medium);
  background: #f8fafb;
  color: var(--color-ink);
  content: "请填写刚才看到的数量";
  font-weight: 750;
  text-align: center;
}

[data-quick-preview="true"] .app-header::after {
  display: inline-flex;
  align-items: center;
  align-self: center;
  padding: 0.45rem 0.75rem;
  border: 2px solid #b45309;
  border-radius: 999px;
  background: #fff7ed;
  color: #9a3412;
  content: "快速预览 · 非正式施测";
  font-size: 0.86rem;
  font-weight: 850;
  letter-spacing: 0.02em;
}

[data-quick-preview="true"][data-quick-task] .app-header::after {
  content: "单任务快速质检 · 非正式采集";
}

.number-line-practice {
  margin-block: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: #f8fafb;
}

.number-line-input {
  width: 100%;
  accent-color: var(--color-primary);
}

.number-line-labels {
  display: flex;
  justify-content: space-between;
  margin-top: -0.35rem;
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}

.number-line-output {
  display: block;
  width: fit-content;
  min-width: 4rem;
  margin: 0.5rem auto 0;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-small);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-weight: 800;
  text-align: center;
}

.result-container {
  width: min(100%, var(--reading-width));
  margin-inline: auto;
  padding: clamp(1.25rem, 4vw, 2.5rem);
}

.result-disclaimer {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: #f8fafb;
  color: var(--color-muted);
}

.noscript-card {
  margin-block: 2rem;
  padding: 1.5rem;
}

.operator-footer {
  border-top: 1px solid var(--color-border);
  background: rgb(255 255 255 / 78%);
}

.operator-footer-inner {
  width: min(100% - 2rem, var(--content-width));
  margin-inline: auto;
  padding-block: 1.35rem 1.6rem;
  color: var(--color-muted);
  font-size: 0.78rem;
  line-height: 1.7;
}

.operator-footer-inner > * {
  margin: 0;
}

.operator-footer-inner > * + * {
  margin-top: 0.25rem;
}

.operator-footer-label {
  color: var(--color-ink);
  font-weight: 700;
}

.operator-footer-company strong {
  font-size: 0.9rem;
}

.operator-footer address {
  font-style: normal;
}

.operator-footer-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.75rem;
}

.operator-footer-meta a {
  font-weight: 700;
}

.public-security-filing-link {
  align-items: center;
  display: inline-flex;
  gap: 6px;
  white-space: nowrap;
}

.public-security-filing-icon {
  display: block;
  flex: 0 0 20px;
  height: 20px;
  width: 20px;
}

@media (max-width: 48rem) {
  .assessment-app,
  .noscript-card,
  .operator-footer-inner {
    width: min(100% - 1rem, var(--content-width));
  }

  .assessment-app {
    padding-top: 0.75rem;
  }

  .app-header,
  .progress-summary {
    display: block;
  }

  .app-header > :not(:first-child),
  .progress-summary > :not(:first-child) {
    margin-top: 0.35rem;
  }

  .save-status {
    max-width: 100%;
    text-align: left;
  }

  .preflight-step {
    font-size: 0;
  }

  .preflight-step::before {
    height: 0.5rem;
    margin: 0;
  }

  .fact-grid,
  .device-grid,
  .task-overview-grid,
  .result-grid,
  .progress-bars {
    grid-template-columns: 1fr;
  }

  .device-check-item {
    grid-template-columns: 1fr;
  }

  .device-pointer-test,
  .device-service-retry,
  .rapid-quantity-demo-play {
    width: 100%;
    margin-right: 0;
  }

  .grade-options,
  .choice-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .screen-actions {
    flex-direction: column-reverse;
  }

  .screen-actions .button {
    width: 100%;
  }
}

/* Common school laptops at 1366×768 and 125% scaling need a denser vertical
   layout without reducing tap targets or hiding any required action. */
@media (max-height: 48rem) and (min-width: 48.01rem) {
  .assessment-app {
    padding-block: 0.65rem 1.25rem;
  }

  .app-header {
    align-items: center;
    margin-bottom: 0.65rem;
  }

  .brand-eyebrow {
    display: none;
  }

  .progress-panel,
  .message-panel {
    margin-bottom: 0.65rem;
    padding: 0.7rem 1rem;
  }

  .screen-card,
  .result-container {
    padding: 1.2rem 1.5rem;
  }

  .screen-heading {
    font-size: clamp(1.45rem, 3vw, 2rem);
  }

  .screen-lead,
  .demonstration-panel,
  .demo-visual,
  .practice-visual {
    margin-block: 0.65rem;
  }

  .demo-visual,
  .practice-visual {
    min-height: 4.5rem;
  }

  .screen-actions {
    margin-top: 1rem;
    padding-top: 0.8rem;
  }
}

/* 390 px 手机可查看说明和恢复入口，但正式计时任务建议改用桌面端。 */
@media (max-width: 25rem) {
  .mobile-only-note {
    display: block;
  }

  .mobile-restriction {
    display: block;
  }

  .screen-card,
  .result-container {
    padding: 1rem;
    border-radius: var(--radius-medium);
  }

  .grade-options,
  .choice-list {
    grid-template-columns: 1fr;
  }

  .progress-group {
    grid-template-columns: 1fr auto;
  }

  .progress-group label {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .skip-link,
  .screen-actions,
  .progress-panel {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .screen-card,
  .result-container {
    border: 0;
    box-shadow: none;
  }
}