*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  font-family: system-ui, sans-serif;
  background-color: #53565b;
}
.container{
  max-width: 800px;
  margin: 100px auto 0;
  text-align: light;
}
h1{
  font-size: 36px;
  margin-bottom:1px;
}
p{
  color:#f5f0f0;
  font-size:18px;
  margin-bottom:24px;
}
a{
  color:#2563eb;
  font-size:18px;
}

/* 玻璃质感悬浮导航 */
.float-nav {
  position: fixed;
  top: 24px;
  right: 32px;
  z-index: 9999;

  /* ✨玻璃毛玻璃核心代码 */
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(20px);    /* 背景模糊，玻璃关键 */
  -webkit-backdrop-filter: blur(10px); /*兼容苹果浏览器*/

  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.float-nav a {
  text-decoration: none;
  color: #222;
  margin: 0 12px;
  font-size: 15px;
  transition: all 0.25s ease;
}

/* 👉当前激活页面高亮样式 */
.float-nav a.active {
  color: #676e7b;
  font-weight: bold;
}

.float-nav a:hover {
  color: #2563eb;
}