body { 
  display: flex; 
  justify-content: center; 
  align-items: center; 
  height: 100vh; 
  font-family: 'Poppins', sans-serif; 
  background: #fafafa; 
}
.box { 
  text-align: center; 
  padding: 2em; 
  padding-bottom: 4em;
  border-radius: 8px; 
  background: #fff; 
  box-shadow: 0 2px 8px rgba(0,0,0,0.05); 
  position: relative;
  max-width: 480px;
  width: 100%;
}
.icon { margin-bottom: 0.5em; }
.icon svg { width: 2.5em; height: 2.5em; display: inline-block; }
h2 { font-weight: 700; }
p { font-weight: 400; color: #444; }
.server-info, .error-info {
  margin-top: 1em;
  text-align: left;
  border-radius: 6px;
  padding: 1em 1.5em;
  display: block;
  font-size: 0.98em;
  width: 100%;
  box-sizing: border-box;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.info-item, .error-info > div {
  margin-bottom: 0.5em;
}
.powered-tag {
  position: absolute;
  right: 2em;
  bottom: 1.5em;
  font-size: 0.8em;
  background: none;
  margin: 0;
  padding: 0.3em 1em;
  border: 2px solid #fff;
  border-radius: 16px;
  text-align: right;
  font-weight: 600;
  /* box-shadow color is page-specific */
}