/* 设备检查：一页看完，老师拍一张照片就能把一体机 / 平板的情况发回来（照搬分数学伴） */
body {
  min-height: 100vh;
}

.sheet {
  width: min(94vw, 52rem);
  margin: 0 auto;
  padding: 1.2rem 0 2rem;
}

header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

header .logo {
  width: 3.4rem;
  height: 3.4rem;
  flex: none;
  border-radius: 50%;
  background: conic-gradient(var(--sun) 0 50%, var(--sea) 50% 100%);
}

header h1 {
  margin: 0;
  font-family: var(--title);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
}

header p {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.6;
}

.verdict {
  margin: 1rem 0;
  padding: 0.7rem 1rem;
  border-radius: 0.9rem;
  font-size: 0.9rem;
  line-height: 1.6;
  background: var(--sea-soft);
}

.verdict b {
  display: block;
  font-size: 1rem;
}

.verdict ul {
  margin: 0.3rem 0 0;
  padding-left: 1.2em;
}

.verdict.good {
  background: var(--ai-soft);
  color: #146c51;
}

.verdict.warn {
  background: #fde8d7;
  color: var(--red);
}

.rows {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.rows li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
}

.rows li + li {
  border-top: 2px solid var(--line);
}

.rows .k {
  width: 6.5em;
  flex: none;
  font-weight: 700;
  color: var(--ink-soft);
}

.rows .v {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.5;
}

.rows li::after {
  content: '';
  width: 1.4em;
  height: 1.4em;
  flex: none;
  border-radius: 50%;
  background: #e3e8ef;
}

.rows li.ok::after,
.rows li.bad::after {
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
}

.rows li.ok::after {
  content: '✓';
  background: var(--ai);
}

.rows li.bad::after {
  content: '✗';
  background: var(--red);
}

.rows .btn {
  font-size: 0.75rem;
  white-space: normal;
  text-align: left;
}

.out {
  font-weight: 600;
}

.dim {
  color: var(--muted);
  font-size: 0.85em;
}

.level {
  display: none;
  height: 1.2em;
  color: var(--red);
}

.level.on {
  display: inline-flex;
}

.pads {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 1rem;
}

.pads .qr {
  width: 8rem;
  flex: none;
}

.pads h3 {
  margin: 0 0 0.3rem;
  font-size: 0.9rem;
}

.pads p {
  margin: 0 0 0.4rem;
  font-size: 0.75rem;
  color: var(--ink-soft);
}

.pads ol {
  margin: 0;
  padding-left: 1.4em;
  font-size: 0.8rem;
}

/* 一体机横屏：检查项和平板二维码左右两栏，一屏拍得下 */
@media (min-width: 1100px) {
  .sheet {
    width: min(94vw, 76rem);
  }

  html:not(.is-pad) .body {
    display: grid;
    grid-template-columns: 1fr 22rem;
    gap: 1rem;
    align-items: start;
  }

  .pads {
    flex-direction: column;
    align-items: center;
    margin-top: 0;
    text-align: center;
  }

  .pads .qr {
    width: 12rem;
  }

  .pads ol {
    text-align: left;
    align-self: stretch;
  }
}

.is-pad .screen-only {
  display: none !important;
}

.ua {
  margin: 1rem 0 0;
  font-size: 0.55rem;
  color: var(--muted);
  word-break: break-all;
}

@media (max-width: 560px) {
  :root {
    font-size: 16px;
  }

  .rows li {
    align-items: flex-start;
  }
}