/* 引入网络字体：Poppins */
@import url("http://fonts.googleapis.com/css?family=Poppins:200,300,400,500,600,700,800,900&display=swap");

* {
  box-sizing: border-box;
  font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue",  Arial, sans-serif;
  margin: auto;
}

.bg-image {
  position: absolute;
  bottom: -88%;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 165px 0 124px;
  width: 100%;
  margin: auto;
  border: #fbab40;
  height: 100vh;
  background-color: #242628;
  background-image: url(https://www.dcsec.tech/assets/world.svg);
  background-repeat: no-repeat;
  background-position-x: center;
  background-position-y: 70px;
  background-origin: padding-box;
}

.header h3 {
  text-align: center;
  color: #ff9e40;
  font-size: 24px;
  font-style: normal;
  font-weight: 600;
  margin: 0;
  line-height: 36px;
}

.header {
  display: flex;
  position: relative;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0px;
  font-style: normal;
}

.header > h1 {
  font-style: normal;
  font-weight: 600;
  font-size: 48px;
  line-height: 150%;
  display: flex;
  align-items: center;
  text-align: center;
  color: #ffffff;
}
.header > h4 {
  font-style: normal;
  font-weight: 600;
  font-size: 20px;
  line-height: 150%;
  display: flex;
  align-items: center;
  text-align: center;
  color: #965DCE;
}

.header > p {
  font-style: normal;
  font-weight: 400;
  font-size: 24px;
  line-height: 150%;
  text-align: center;
  color: #ffffff;
  flex-grow: 0;
  margin: 16px 0px;
}

.options {
  display: flex;
  flex-direction: row;
}

.options > a {
  color: #ffffff;
  text-decoration: underline;
  margin: 0px 8px;
  font-weight: 400;
  font-size: 24px;
  line-height: 150%;
}

.options > a:first-of-type {
  margin-right: 30px;
}

.logo {
  margin-top: 40px;
}

.logo > img {
  width: 80px;
  height: 32px;
}

@media screen and (max-width: 1024px) {
    .container {
        background-size: contain;
        background-position-y: center;
    }
}

@media screen and (max-width: 600px) {

.container{
    background-size: contain;
    background-position-y: center;
    }
  pre {
    font-size: 0.8rem;
    padding: 8px 12px;
    width: 100%;
  }

  body {
    width: 100vw;
  }

  .header img {
    margin-left: 0;
  }

  .installation-steps {
    width: 100%;
    box-sizing: border-box;
  }

  h1 {
    font-size: 1.6rem;
  }

  ol {
    padding-left: 20px;
  }

  li {
    margin-bottom: 5px;
  }
}

.container{
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    z-index: 1;
}
.container .card{
    /* 相对定位 */
    position: relative;
    width: 280px;
    height: 400px;
    background-color: rgba(255,255,255,0.1);
    margin: 30px;
    border-radius: 15px;
    /* 阴影 */
    box-shadow: 20px 20px 50px rgba(0,0,0,0.5);
    /* 溢出隐藏 */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.5);
    border-left: 1px solid rgba(255,255,255,0.5);
    /* 背景模糊 */
    backdrop-filter: blur(5px);
}
.container .card .content{
    padding: 20px;
    text-align: center;
    /* 默认下移+隐藏 */
    transform: translateY(100px);
    opacity: 0;
    transition: 0.5s;
}
.container .card:hover .content{
    /* 鼠标移入，上移+显示 */
    transform: translateY(0);
    opacity: 1;
}
.container .card .content h2{
    position: absolute;
    top: -80px;
    right: 25px;
    font-size: 128px;
    color: rgba(255,255,255,0.05);
}
.container .card .content h3{
    font-size: 28px;
    color: #fff;
}
.container .card .content p{
    font-size: 16px;
    color: #fff;
    font-weight: 300;
    margin: 10px 0 15px 0;
}
.container .card .content a{
    position: relative;
    display: inline-block;
    padding: 8px 20px;
    margin-top: 15px;
    background-color: #fff;
    color: #000;
    text-decoration: none;
    border-radius: 20px;
    font-weight: 500;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
/* 这里要让玻璃效果更加逼真，需要用到一个JS库：vanilla-tilt.js */
/* 我事先下载好了，需要这个JS库的可以找我拿 */
/* 看操作~ */