* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  background: #2d2d2d;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

.page-title {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 28px;
  font-weight: 300;
  text-align: center;
  z-index: 10;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.logo-container {
  max-width: 90%;
}

.logo {
  margin: 0 auto;
  display: block;
  max-width: 100%;
  height: auto;
}

.logo path {
  stroke: #fff;
  stroke-width: 1;
  fill: none;
}