body {
  font-family: Arial, sans-serif;
  background: #17181c;
  margin: 0;
  padding: 0;
  color: #e2e2e2;
}

.container {
  max-width: 500px;
  margin: 40px auto;
  padding: 24px;
  background: #23243a;
  border-radius: 10px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

h1, h2 {
  margin: 0;
  text-align: center;
}

h1 {
  font-size: 2em;
  margin-bottom: 10px;
}

h2 {
  font-size: 1.15em;
  font-weight: normal;
  color: #8bd5d5;
  margin-bottom: 16px;
}

.desc {
  margin-bottom: 18px;
  line-height: 1.6;
}

.section-title {
  font-size: 1.1em;
  margin-top: 22px;
  color: #42e0e0;
  border-bottom: 1px solid #32343f;
  padding-bottom: 4px;
  margin-bottom: 7px;
}

ul {
  padding-left: 22px;
}

a {
  color: #66d9ef;
  text-decoration: none;
  transition: color 0.15s;
}

a:hover {
  color: #ae81ff;
  text-decoration: underline;
}

.footer {
  text-align: center;
  margin-top: 28px;
  color: #888;
  font-size: 0.95em;
}

#sprite {
  position: fixed;
  /*top: 20px; */
  bottom: 20px;
  right: 20px;
  width: 128px;
  z-index: 1000;
  pointer-events: none;
}