* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", Arial, sans-serif;
  color: #17212b;
  background: #f3f5f8;
}

button,
input {
  font: inherit;
}

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

.login-panel {
  width: min(100%, 380px);
  padding: 28px;
  background: #fff;
  border: 1px solid #dce3ed;
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(23, 33, 43, 0.08);
}

.login-heading {
  margin-bottom: 24px;
}

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

p {
  margin: 7px 0 0;
  color: #5f6f82;
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-form label {
  display: grid;
  gap: 7px;
  color: #364152;
  font-size: 14px;
  font-weight: 600;
}

.login-form input {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  color: #17212b;
  background: #fff;
  border: 1px solid #c9d2df;
  border-radius: 6px;
  outline: none;
}

.login-form input:focus {
  border-color: #1668dc;
  box-shadow: 0 0 0 3px rgba(22, 104, 220, 0.12);
}

.login-form button {
  min-height: 42px;
  border: 1px solid #1668dc;
  border-radius: 6px;
  background: #1668dc;
  color: #fff;
  cursor: pointer;
}

.login-form button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.login-message {
  min-height: 22px;
  margin-top: 14px;
  color: #b42318;
  font-size: 14px;
  line-height: 1.5;
}