:root {
  color: #1d2922;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  background: #f4f7f5;
  margin: 0;
}

.bootstrap-shell {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: center;
  min-height: 100vh;
  padding: 32px;
}

.bootstrap-shell[data-timeout-shown="true"] {
  align-items: flex-start;
  flex-direction: column;
  gap: 18px;
  margin: 0 auto;
  max-width: 620px;
}

.bootstrap-mark {
  align-items: center;
  background: #166534;
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  font-size: 20px;
  font-weight: 700;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.bootstrap-shell h1 {
  font-size: 20px;
  margin: 0 0 4px;
}

.bootstrap-shell p {
  color: #5d6a62;
  font-size: 14px;
  margin: 0;
}

.bootstrap-timeout-panel {
  background: #fff8ed;
  border: 1px solid #f1c894;
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(94, 54, 12, 0.08);
  color: #66430d;
  display: grid;
  gap: 8px;
  line-height: 1.6;
  padding: 14px 16px;
  width: 100%;
}

.bootstrap-timeout-panel strong {
  color: #513407;
  font-size: 15px;
}

.bootstrap-timeout-panel span {
  font-size: 13px;
}

.bootstrap-timeout-panel button {
  background: #166534;
  border: 0;
  border-radius: 9px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  justify-self: start;
  min-height: 34px;
  padding: 0 13px;
}