html,
body,
div,
span,
h1,
h2,
h3,
h4,
h5,
h6,
p,
a,
big,
del,
em,
img,
s,
small,
strong,
sub,
sup,
i,
dl,
dt,
dd,
ol,
ul,
li,
form,
label,
table,
tr,
th,
td,
audio,
video,
input {
    margin: 0;
    padding: 0;
    border: 0;
    outline: none;
}
html,body {
	line-height: 1;
    /* overflow-x: hidden; */
    background-color: #fff;
    color: #333;
    font-family: "微软雅黑", "microsoft yahei";
}

table {
    border-collapse: collapse;
    border-spacing: 0;

}

em,
i {
    font-style: normal;
}

a {
    color: #333;
    text-decoration: none;
    -webkit-backface-visibility: hidden;
	cursor: pointer;
}

img {
    vertical-align: middle;
    max-width: 100%;
}

a:link,
a:visited,
a:hover,
a:focus {
    text-decoration: none;
}

ul,
li {
    list-style: none;
}

button {
    border: none;
    background: none
}

/*显示省略号*/
.ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ellipsis_two {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}
.ellipsis_three {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}
.ellipsis_four {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    line-clamp: 4;
    -webkit-box-orient: vertical;
}
.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfix:after,
.clearfix:before {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}

.clearfix {
    *zoom: 1;
}

.page-w {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
}

.da-custom-btn,.custom-btn {
    position: relative;
    display: inline-block;
    overflow: hidden;
  }
  .da-custom-btn::after,.custom-btn::after {
    border-radius: 30px;
    opacity: 0.4;
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: #fff;
    transition: all .6s ease-in-out;
    -webkit-transition: all .6s ease-in-out;
    -moz-transition: all .6s ease-in-out;
    -ms-transition: all .6s ease-in-out;
    -o-transition: all .6s ease-in-out;
  }
  .custom-btn::after {
    background-color: #000;
    opacity: 1;
    transition: all .5s ease-in-out;
    -webkit-transition: all .5s ease-in-out;
    -moz-transition: all .5s ease-in-out;
    -ms-transition: all .5s ease-in-out;
    -o-transition: all .5s ease-in-out;
  }
  .custom-btn.r0::after {
    border-radius: 0;
    -webkit-border-radius: 0;
    -moz-border-radius: 0;
    -ms-border-radius: 0;
    -o-border-radius: 0;
  }
  .da-custom-btn:hover::after {
    left: 100%;
  }
  .custom-btn:hover::after {
    left: 0;
  }
  .custom-btn:hover {
    color: #fff;
  }
  .custom-btn span,.custom-btn i {
    position: relative;
    z-index: 2;
  }