@charset "utf-8";
/* CSS Document */

h1,
h2,
h3,
h4,
h5 {
  margin: 0;
}
body {
  margin: 0;
  padding: 0;
  background: #fff;
}
p,
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
img {
  border: none;
}
a,
a:hover {
  text-decoration: none;
}
.bg{
width: 750px;
height: auto;
display: block;
margin: 0 auto;

}
.content{
width: 750px;
 background: #fff;
 margin: 0 auto;
 position: relative;
}
.header{
  width: 100%;
}
.header img{
  width: 100%;
}
.content p{
  color: #666;
  font-size: 14px;
  text-align: center;
  margin-top: 18px;
}

.btnBox{
 width: 100%;
}
.tu{
  width: 100%;
  margin-top: 80px;
}
.tu img{
  width: 70%;
  display: block;
  margin: 0 auto;
}
.text{
  width: 84%;
  height: auto;
 margin: 0 auto;
 padding: 4%;
  border-radius: 10px;
  background-color: #eee;
  margin-top: 50px;
  margin-bottom: 20px;
}
.text h3{
  font-size: 16px;
  color: #333;
  text-align: left;
  border-left:4px solid red;
  padding-left: 10px;

}
.text p{
  font-size: 14px;
  color: #666;
  text-align: left;
}
.text p span{
  color: #333;
}

.download-btn {
  width: 400px;
  margin: 0 auto;
  height: 80px;
            display: block;
            background-color: #000; /* 苹果蓝，可自定义 */
            color: #fff;
            text-decoration: none;
            border-radius: 40px;
            font-size: 24px;
            line-height: 80px;
            cursor: pointer;
            text-align: center;
            font-weight: bold;
        }
        .download-btn:disabled {
            background-color: #ccc;
            cursor: not-allowed;
        }
@media (max-width: 768px) {
  .content{
  width: 7.5rem;

  background: #fff;
  }
  .download-btn{
  display: block;
  width: 4rem;
  height: 1rem;
  margin: 0px auto;
  font-size: .36rem;
  line-height: 1rem;
}
.tu{
  margin-top: 0.8rem;
}

}