* {
  margin: 0;
  padding: 0;
  font-size: 14px;
  box-sizing: content-box;
}

html,
body {
  width: 100%;
  height: 100%;
  user-select: none;
}

#bg {
  width: 100%;
  min-width: 250px;
  height: 100%;
  position: fixed;
  z-index: 1;
}

/* 添加自定义字体 */
@font-face {
  font-family: "阿里妈妈数黑体 Bold";
  font-weight: 700;
  src: url("//at.alicdn.com/wf/webfont/Ta8gCT6FYZyN/XY8JdWEdV9bs.woff2") format("woff2"),
       url("//at.alicdn.com/wf/webfont/Ta8gCT6FYZyN/tfl7m0FCzUhQ.woff") format("woff");
  font-display: swap;
}

/* 将自定义字体应用于昵称元素 */
.nickname {
  font-family: "阿里妈妈数黑体 Bold", sans-serif;
}

.container {
  width: 100%;
  min-width: 250px;
  min-height: 100%;
  position: relative;
  z-index: 10;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container .avatar {
  width: 80px;
  height: 80px;
  margin-top: 30%;
  border-radius: 50%;
  box-shadow: 0 0 30px 10px rgba(255, 255, 255, 0.9);
  opacity: 0.9;
}

.container .nickname {
  font-size: 18px;
  margin-top: 20px;
  letter-spacing: 2px;
  animation: nickname-shadow 2s ease-in-out infinite alternate;
}

@keyframes nickname-shadow {
  from {
    text-shadow: 0 0 2px #f6f7fb;
  }
  to {
    text-shadow: 1px 1px 20px #f6f7fb;
  }
}

.container .introduce {
  font-size: 14px;
  margin-top: 20px;
  padding: 0 28px;
  letter-spacing: 1px;
  text-align: center;
  line-height: 28px;
}

.enter-website {
  display: inline-block;
  margin-top: 20px;
  padding: 5px 15px;
  color: white;
  font-size: 14px;
  text-align: center;
  border: 2px solid #d3d3d3;
  border-radius: 50px;
  background-color: transparent;
  text-decoration: none;
  transition: all 0.3s ease;
}

.enter-website:hover {
  background-color: #87CEEB;
  border-color: #87CEEB;
  color: white;
}

.enter-website:hover {
  text-decoration: underline;
}

.container .quote {
  font-size: 14px;
  margin-top: 20px;
  padding: 0 28px;
  letter-spacing: 1px;
  text-align: center;
  font-family: cursive;
  line-height: 28px;
}

.container .quote::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 18px;
  border-radius: 2px;
  background-color: #fff;
  vertical-align: middle;
  animation: blink 0.8s linear infinite;
}

@keyframes blink {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

nav {
  width: 80%;
  min-height: 40px;
  margin-top: 80px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

nav .item {
  width: 28px;
  height: 28px;
  margin: 8px 12px;
  position: relative;
  display: flex;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.9);
  justify-content: center;
  align-items: center;
}

nav .item a {
  color: #fff;
  text-decoration: none;
  display: block;
  width: 20px;
  height: 20px;
}

nav .item a:focus,
nav .item a:visited,
nav .item a:active {
  color: #fff;
}

nav .item a img {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 10;
}

nav .item .tooltip {
  position: absolute;
  width: 80px;
  max-height: 100px;
  background-color: rgb(255, 255, 255);
  bottom: 40px;
  padding: 4px;
  border-radius: 4px;
  z-index: 10;
  color: #333;
  letter-spacing: 2px;
  text-align: center;
  opacity: 0;
  z-index: -1;
  transform: translateY(-40px);
  transition: all 0.1s ease-in-out;
}

nav .item .tooltip::after {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background-color: rgb(255, 255, 255);
  position: absolute;
  bottom: -4px;
  left: 40px;
  transform: rotate(45deg);
  z-index: 9;
}

nav .item a:focus+.tooltip,
nav .item a:hover+.tooltip {
  transform: translateY(0);
  z-index: 10;
  opacity: 1;
}

/* 修改后的 footer 样式 */
footer {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px 0;
  margin-top: 40px;
}

footer div {
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

footer .icp,
footer .public-security {
  color: #999; /* 统一为版权信息的颜色 */
  text-decoration: none;
  font-size: 10px; /* 使用与版权信息相同的字体大小 */
  white-space: nowrap; /* 禁止换行 */
}

footer img {
  width: 16px;
  height: 16px;
  margin-right: 5px;
}

/* 调整分隔符样式 */
footer .separator {
  color: #999; /* 分隔符与文本保持同样颜色 */
  font-size: 10px; /* 与文本大小一致 */
  margin: 0 2px; /* 给分隔符前后增加10px的间距 */
}

footer .copyright {
  color: #999;
  font-size: 10px; /* 字体大小为10px */
  margin-top: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media screen and (min-width: 768px) {
  .container .avatar {
    width: 88px;
    height: 88px;
    margin-top: 20%;
  }

  .container .nickname {
    font-size: 20px;
    margin-top: 28px;
  }

  .container .introduce {
    font-size: 16px;
    margin-top: 28px;
    padding: 0 40px;
  }

  .container .quote {
    font-size: 16px;
    margin-top: 28px;
    padding: 0 40px;
  }

  .container .quote::after {
    height: 20px;
  }

  nav {
    margin-top: 90px;
  }

  nav .item {
    width: 32px;
    height: 32px;
  }

  nav .item .tooltip {
    bottom: 48px;
  }

  nav .item a {
    width: 22px;
    height: 22px;
  }
}

@media screen and (min-width: 992px) {
  .container .avatar {
    width: 96px;
    height: 96px;
    margin-top: 10%;
  }

  .container .nickname {
    font-size: 22px;
    margin-top: 32px;
  }

  .container .introduce {
    font-size: 18px;
    margin-top: 36px;
    padding: 0 80px;
  }

  .container .quote {
    font-size: 18px;
    margin-top: 36px;
    padding: 0 80px;
  }

  .container .quote::after {
    height: 22px;
  }

  nav {
    margin-top: 100px;
  }

  nav .item {
    width: 36px;
    height: 36px;
    margin: 12px;
  }

  nav .item .tooltip {
    bottom: 56px;
  }

  nav .item a {
    width: 24px;
    height: 24px;
  }
}