body {
   margin: 0;
   font-family: "微软雅黑", "宋体", Arial, Helvetica, sans-serif;
   font-size: 14px;
   line-height: 1;
   background-color: #f3f3f3;
}
h1, h2, h3, h4, h5, h6 {
   margin: 0;
   font-size: 100%;
   font-weight: normal;
}

ul, ol {
   list-style: none;
   margin: 0;
   padding: 0;
}

p, dl, dd {
   margin: 0;
}

img {
   vertical-align: middle;
   border: none;
}

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

strong, b {
   font-weight: normal;
}

i, em {
   font-style: normal;
}

table {
   border-collapse: collapse;
}

th {
   font-weight: normal;
   text-align: left;
   vertical-align: top;
}

td {
   vertical-align: top;
}

input {
   margin: 0;
   padding: 0;
   border: none;
   font-family: inherit;
   outline: none;
}

textarea {
   resize: none;
   /* 禁止用户重置元素大小*/
   overflow: auto;
   font-family: inherit;
}

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

.clearfix::after {
   content: "";
   display: block;
   clear: both;
}

.clearfix {
   *zoom: 1;
}