* {
    margin: 0;
    padding: 0;
}
ul,li {list-style:none;}
a{color: #333;  text-decoration: none;}
.fl {float: left;}
.fr {float: right;}
.clearfix {zoom:1}
.clearfix:after {content: " ";display: block;visibility: hidden;  clear: both; }

.kefu {
    position: fixed;
    right: 10px;
    width: 50px;
    bottom: 15%;
}
.popup {
    width: 300px;
    min-height: 300px;
    -webkit-user-select: none !important;
}
.popup .popup-title {
    height: 40px;
    line-height: 40px;
    border-bottom: 1px solid #ddd;
    text-align: center;
}
.popup img {
    width: 100%;
}

header{
    margin: 15px 30px;
    text-align: center;
}
header img {
    height: 30px;
    margin-bottom: 10px;
}
header p {
    text-align: left;
    line-height: 1.5;
    font-size: 14px;
}
.blink {
    animation: blink-animation 0.5s steps(5, start) 3;
    -webkit-animation: blink-animation 0.5s steps(5, start) 3;
}
@keyframes blink-animation {
    to {
        visibility: hidden;
    }
}
@-webkit-keyframes blink-animation {
    to {
        visibility: hidden;
    }
}