body[data-tezuo-startup] {
  margin: 0;
  background: #f7f8fc;
}

#tezuo-startup {
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  box-sizing: border-box;
  padding: 32px 24px;
  color: #202832;
  background: #f7f8fc;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  letter-spacing: 0;
}

#tezuo-startup[hidden],
#tezuo-startup [hidden],
body[data-tezuo-startup] .tezuo-guide-cta {
  display: none;
}

.tezuo-startup-content {
  width: min(620px, 100%);
  margin: auto;
}

.tezuo-startup-brand {
  margin: 0 0 6px;
  color: #245a43;
  font-size: 16px;
  font-weight: 700;
}

#tezuo-startup h1 {
  margin: 0 0 24px;
  font-size: 32px;
  line-height: 1.4;
}

#tezuo-startup-status {
  margin-bottom: 10px;
  font-size: 22px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

body[data-tezuo-startup="error"] #tezuo-startup-status,
body[data-tezuo-startup="unsupported"] #tezuo-startup-status {
  color: #9b3b21;
}

#tezuo-startup-detail {
  color: #4f5d68;
  font-size: 16px;
}

#tezuo-startup-download-state { margin: 18px 0; }
#tezuo-startup-download-state progress { display: block; width: 100%; height: 8px; accent-color: #245a43; }
#tezuo-startup-download-elapsed { margin: 8px 0 0; }

#tezuo-startup-recovery {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

#tezuo-startup button,
#tezuo-startup-recovery a {
  box-sizing: border-box;
  min-height: 44px;
  padding: 9px 14px;
  border: 1px solid #b7c5ce;
  border-radius: 6px;
  color: #245a43;
  background: #ffffff;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

#tezuo-startup .tezuo-startup-primary {
  color: #ffffff !important;
  border-color: #245a43 !important;
  background: #245a43 !important;
}

.tezuo-startup-note { color: #52616a; font-size: 14px; }
#tezuo-startup-address { margin: 20px 0; }
#tezuo-startup-address label { display: block; margin-bottom: 6px; color: #52616a; font-size: 13px; }
#tezuo-startup-url { box-sizing: border-box; width: 100%; min-height: 44px; border: 1px solid #b7c5ce; border-radius: 4px; padding: 8px 12px; color: #202832; background: #fff; font: inherit; font-size: 15px; }
#tezuo-browser-help { margin: 20px 0 0; border-top: 1px solid #d7dfe3; }
#tezuo-browser-help details { border-bottom: 1px solid #d7dfe3; padding: 12px 0; }
#tezuo-browser-help summary, #tezuo-startup-diagnostics summary { cursor: pointer; font-size: 14px; font-weight: 700; }
#tezuo-browser-help p, #tezuo-browser-help ol { margin: 10px 0 0; color: #52616a; font-size: 14px; }
#tezuo-browser-help ol { padding-left: 20px; }
#tezuo-browser-help li + li { margin-top: 6px; }
#tezuo-startup-diagnostics button { margin-top: 8px; font-size: 13px; }
#tezuo-startup-copy-buffer { box-sizing: border-box; width: 100%; padding: 8px; border: 1px solid #b7c5ce; font: inherit; font-size: 13px; }

#tezuo-startup a {
  color: #245a43;
  text-underline-offset: 3px;
}

#tezuo-startup :focus-visible {
  outline: 3px solid #b6881e;
  outline-offset: 3px;
}

.tezuo-startup-help {
  margin-top: 24px;
  font-size: 15px;
}

#tezuo-startup-feedback {
  min-height: 24px;
  font-size: 14px;
}

#tezuo-startup-diagnostics {
  color: #596570;
  font-size: 13px;
}

#tezuo-startup-error {
  max-height: 320px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media (max-width: 480px) {
  #tezuo-startup { padding: 24px 20px; }
  #tezuo-startup h1 { font-size: 28px; }
  #tezuo-startup-status { font-size: 20px; }
  #tezuo-startup-recovery > * { flex: 1 1 100%; }
}