header {
  background-color: #0072C6;
/*  background-image: url('header_bg.png');*/
  /* 背景图片居中显示 */
  background-position: center center;
  background-repeat: no-repeat;
  color: #FFF;
  /* padding: 20px; */
  text-align: center;
/*  height: 150px;*/
}

h1 {
  font-size: 32px;
  margin: 0;
}

p {
  font-size: 18px;
  margin: 10px 0;
}

.slogan {
  font-size: 20px;
  margin-top: 180px;
}

.intro {
  margin: 30px auto;
  text-indent: 2em;
  text-align: center;
}

/*移动端，居左显示*/
@media screen and (max-width: 768px) {
  .intro {
    text-align: left;
  }
}

.intro h2 {
  font-size: 22px;
  margin: 20px 0;
}

.intro p {
  line-height: 35px;
}

.qrcode {
  text-align: center;
  margin-bottom: 30px;
}

.qrcode img {
  max-width: 99%;
  border-radius: 5px;
  border: #f5f5f5 1px solid;
}

.qrcode a {
  display: inline-block;
  background-color: #0072C6;
  color: #FFF;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 20px;
}

.feature-list {
  margin: 20px auto;
}

.feature {
  text-align: center;
  margin-bottom: 30px;
}

.feature h3 {
  font-size: 20px;
  margin-bottom: 15px;
}

.feature img {
  /* width: 50%; */
  max-width: 99%;
  height: auto;
  border-radius: 5px;
  margin-bottom: 20px;
  border: #f5f5f5 1px solid;
}

.package-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin: 20px auto;
}

.package {
  text-align: center;
  margin: 10px;
  padding: 20px;
  border: 1px solid #DDD;
  border-radius: 5px;
}

.package h3 {
  font-size: 24px;
  margin-top: 10px;
}

.contact {
  text-align: center;
  margin-top: 0px;
  margin-bottom: 30px;
}

.contact p {
  font-size: 18px;
  margin: 10px 0;
}

.footer {
  /* font-size: 14px !important; */
  margin-top: .5rem;
  color: #212529;
  border-top: 1px solid #e9ecef;
}

.footer p {
  margin: 5px 0px;
  padding: 1rem;
}

.footer a {
  color: #212529;
  text-decoration: none;
}