html,
body,
div,
p,
a,
img,
span,
form,
input,
textarea,
button,
select,
table,
tr,
td,
th,
ul,
li,
dl,
dt,
dd,
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ul,
li {
  list-style: none;
}

img {
  max-width: 100%;
}

input,
textarea,
button,
select {
  outline: 0;
}

a {
  color: #000;
  text-decoration: none;
}

.visible-lg {
  display: block;
}

.visible-xs {
  display: none;
}

.container {
  width: 1100px;
  margin: 0 auto;
}

.brand .title {
  margin-bottom: 60px;
}

.brand .txt {
  font-size: 24px;
  color: #1E8187;
  line-height: 48px;
  word-wrap: break-word;
  word-break: break-all;
  margin-bottom: 83px;
}

.brand .icons {
  margin-bottom: 102px;
}

.brand .tip {
  text-align: center;
  margin-bottom: 50px;
}

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

.brand .erweima img {
  width: 280px;
}

.brand .btn {
  width: 300px;
  height: 100px;
  background: linear-gradient(0deg, #01A3C7 0%, #4ECEEB 100%);
  border-radius: 10px;
  font-size: 28px;
  color: #fff;
  cursor: pointer;
  margin: 0 auto 30px;
  text-align: center;
  line-height: 100px;
}

.brand .btn img {
  vertical-align: middle;
  width: 27px;
}

.mb-icons {
  display: none;
}

@media screen and (max-width: 1100px) {
  .container {
    width: 100%;
    padding: 0 30px;
  }
}

@media screen and (max-width: 750px) {
  .container {
    padding: 0 20px;
  }
  .visible-lg {
    display: none;
  }
  .visible-xs {
    display: block;
  }
  .brand .title {
    margin-bottom: 30px;
  }
  .brand .title img {
    width: 261px;
    height: 65px;
  }
  .brand .txt {
    font-size: 20px;
    margin-bottom: 40px;
  }
  .brand .tip {
    margin-top: 50px;
  }
  .brand .tip img {
    width: 70%;
  }
  .brand .btn {
    width: 100%;
    height: 60px;
    line-height: 60px;
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
  }
  .icons {
    display: none;
  }
  .mb-icons {
    display: block;
  }
}