:root {
  color: #172943;
  background: #edf1f6;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 20% 12%, rgba(197, 149, 52, .14), transparent 31rem),
    linear-gradient(145deg, #f6f8fb 0%, #e8edf4 100%);
}

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(100%, 480px);
  padding: clamp(28px, 6vw, 48px);
  border: 1px solid rgba(23, 41, 67, .12);
  border-radius: 18px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 24px 70px rgba(23, 41, 67, .14);
}

.brand-logo {
  display: block;
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.eyebrow {
  margin: 22px 0 8px;
  color: #9a6914;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 6vw, 38px);
  letter-spacing: -.04em;
}

.intro {
  margin: 14px 0 30px;
  color: #607088;
  line-height: 1.7;
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 700;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

input,
button {
  min-height: 46px;
  border-radius: 8px;
  font: inherit;
}

input {
  width: 100%;
  border: 1px solid #b8c2cf;
  padding: 0 14px;
  background: #fff;
  color: #172943;
}

input:focus {
  border-color: #2d5f99;
  outline: 3px solid rgba(45, 95, 153, .14);
}

button {
  border: 1px solid #172943;
  padding: 0 20px;
  background: #172943;
  color: #fff;
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  background: #244467;
}

button:disabled {
  cursor: wait;
  opacity: .65;
}

.status {
  min-height: 24px;
  margin: 12px 0 0;
  color: #b3261e;
  font-size: 14px;
}

.status.is-ok {
  color: #22713b;
}

.privacy {
  margin: 22px 0 0;
  border-top: 1px solid #e5e9ef;
  padding-top: 18px;
  color: #7a8799;
  font-size: 12px;
}

@media (max-width: 520px) {
  .input-row {
    grid-template-columns: 1fr;
  }
}