:root {
  --enterprise-blue: #1677ff;
  --enterprise-text: #1f2937;
  --enterprise-muted: #667085;
  --enterprise-border: #dfe5ee;
  --enterprise-bg: #f3f6fb;
}

body {
  background:
    linear-gradient(180deg, rgba(22, 119, 255, .08), rgba(22, 119, 255, 0) 42%),
    var(--enterprise-bg);
}

.shell {
  border-radius: 12px;
  border-color: var(--enterprise-border);
  box-shadow: 0 18px 48px rgba(15, 23, 42, .10);
}

.shell::before {
  content: "内部运营系统";
  display: inline-flex;
  margin-bottom: 14px;
  padding: 4px 9px;
  border-radius: 999px;
  background: #eef6ff;
  color: #0958d9;
  font-size: 12px;
  font-weight: 700;
}

h1 {
  color: var(--enterprise-text);
}

input {
  border-radius: 8px;
}

input:focus {
  border-color: var(--enterprise-blue);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, .14);
  outline: none;
}

button {
  border-radius: 8px;
  background: var(--enterprise-blue);
}

button:hover {
  background: #0958d9;
}