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

body {
  background-image: url(/images/背景候选3.jpg);
  background-size: 105%;
  color: rgb(7, 0, 0);
  font-family: "Arial", sans-serif;
  min-height: 12vh;
  overflow: hidden;
  position: relative;
}

p {
  margin-top: 20px;
  font-size: 1.2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.snowflake {
  position: absolute;
  top: -50px;
  background: rgb(248, 249, 250);
  border-radius: 50%;
  filter: blur(1px);
  opacity: 0.9;
  z-index: 1;
}

.info-panel {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background: rgba(0, 0, 0, 0.5);
  padding: 10px 15px;
  border-radius: 8px;
  font-size: 14px;
}

/* .touxiang {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  overflow: hidden;
  margin-top: 200px;
  margin-right: 400px;
} */
.one {
  text-align: center;
}
@keyframes 斜着 {
  0% {
    opacity: 0;
    transform: translateY(0) translateX(0) rotate(0deg);
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(100vh) translateX(300px) rotate(360deg);
  }
}
.fall-diagonal {
  animation: 斜向飘落 linear forwards;
}
.text {
  color: aqua;
}
.idea {
  li {
    list-style-type: none;
    margin: 10px;
    padding: 0;
    overflow: hidden;
    font-size: 20px;
    font-family: 楷体;
  }
}

li {
  float: left;
}
li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}
li a:hover {
  background-color: #05b2f1;
}
/* 头部样式 */
header {
  color: white;
  /* text-align: center; */
  padding: 370px 20px;
  position: relative;
  overflow: hidden;
}

.header-content {
  position: relative;
  z-index: 1;
}

header h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  font-family: 楷体;
}

header p {
  font-size: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.graduation-cap {
  position: absolute;
  font-size: 10rem;
  opacity: 0.1;
  top: 20px;
  right: 20px;
  transform: rotate(15deg);
}