:root {
  font-family: "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  color: #171719;
  background: #f7f7f8;
  --blue: #002fa7;
}

* { box-sizing: border-box; }

html,
body { min-height: 100%; margin: 0; }

body {
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(100%, 360px);
  padding: 28px;
  background: #fff;
  border: 1px solid #dfe2e6;
}

h1 {
  margin: 0 0 28px;
  font-size: 24px;
  font-weight: 500;
}

label {
  display: block;
  margin-bottom: 8px;
  color: #555960;
  font-size: 13px;
}

input,
button {
  width: 100%;
  height: 44px;
  font: inherit;
}

input {
  padding: 0 14px;
  border: 1px solid #cfd2d7;
  outline: 0;
  font-size: 16px;
}

input:focus { border-color: var(--blue); }

button {
  margin-top: 12px;
  border: 0;
  background: var(--blue);
  color: #fff;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
}

button:disabled {
  background: #cfd2d7;
  color: #fff;
  cursor: not-allowed;
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 10px;
  color: #8a8d92;
  font-size: 12px;
}

.divider::before,
.divider::after {
  flex: 1;
  height: 1px;
  content: "";
  background: #e3e5e8;
}

.wechat-button {
  margin-top: 0;
  background: #20a657;
}

#notice {
  min-height: 18px;
  margin: 12px 0 0;
  color: #b32645;
  font-size: 13px;
  line-height: 1.4;
}