/* style.css – ListenEcho 全局样式 */

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

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background-color: #f9f9f9;
  color: #222;
  line-height: 1.8;
  padding: 60px 8%;
  max-width: 1200px;
  margin: 0 auto;
}

h1, h2, h3 {
  color: #111;
  font-weight: 600;
  margin-bottom: 0.5em;
}

h1 {
  font-size: 2.6rem;
}

h2 {
  font-size: 1.5rem;
  margin-top: 2em;
}

h3 {
  font-size: 1.25rem;
  margin-top: 1.5em;
}

p {
  font-size: 1.1rem;
  margin-bottom: 1em;
  color: #333;
}

ul {
  margin-left: 1.5em;
  margin-bottom: 1.5em;
}

li {
  margin-bottom: 0.5em;
  font-size: 1.05rem;
}

.quote {
  font-style: italic;
  border-left: 4px solid #ccc;
  padding-left: 1em;
  color: #666;
  margin: 2em 0;
}

footer {
  margin-top: 4em;
  font-size: 0.9rem;
  color: #777;
  border-top: 1px solid #ddd;
  padding-top: 1em;
  text-align: center;
}

.button {
  display: inline-block;
  padding: 0.75rem 1.8rem;
  background-color: #111;
  color: #fff;
  font-size: 1rem;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.3s ease;
  margin-top: 2rem;
}

.button:hover {
  background-color: #444;
}

.header-center {
  text-align: center;
  margin-bottom: 3rem;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}