html {
  height: 100%;
}

body {
  min-height: 100%;
  font: 12px/1.14 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif;
}

body,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
dl,
dt,
input,
textarea,
table,
tr,
td {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

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

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

input {
  outline: none;
  font: 12px/1.14 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue";
}

textarea {
  font: 12px/1.14 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue";
}

input::-webkit-input-placeholder {
  /* WebKit browsers */
  color: #b2b2b2;
}

input:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: #b2b2b2;
}

input::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #b2b2b2;
}

input:-ms-input-placeholder {
  /* Internet Explorer 10+ */
  color: #b2b2b2;
}

textarea::-webkit-input-placeholder {
  /* WebKit browsers */
  color: #b2b2b2;
}

textarea:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: #b2b2b2;
}

textarea::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #b2b2b2;
}

textarea:-ms-input-placeholder {
  /* Internet Explorer 10+ */
  color: #b2b2b2;
}

a {
  text-decoration: none;
}

a:hover {
  color: #ed4040;
}

::-webkit-input-placeholder {
  /* WebKit browsers */
  color: #ccc;
}

:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: #ccc;
}

::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #ccc;
}

.f12 {
  font-size: 12px;
}

.f13 {
  font-size: 13px;
}

.f14 {
  font-size: 14px;
}

.f16 {
  font-size: 16px;
}

.f18 {
  font-size: 18px;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.clearfix:after {
  content: '.';
  display: block;
  clear: both;
  visibility: hidden;
  height: 0;
}

.clearfix {
  zoom: 1;
}

.hidden {
  visibility: hidden;
}

/*边距*/
.m10 {
  margin: 10px;
}

.m15 {
  margin: 15px;
}

.m30 {
  margin: 30px;
}

.mt5 {
  margin-top: 5px;
}

.mt10 {
  margin-top: 10px;
}

.mt15 {
  margin-top: 15px;
}

.mt20 {
  margin-top: 20px;
}

.mt25 {
  margin-top: 25px;
}

.mt30 {
  margin-top: 30px;
}

.mt35 {
  margin-top: 35px;
}

.mt40 {
  margin-top: 40px;
}

.mt45 {
  margin-top: 45px;
}

.mt50 {
  margin-top: 50px;
}

.mb5 {
  margin-bottom: 5px;
}

.mb10 {
  margin-bottom: 10px;
}

.mb15 {
  margin-bottom: 15px;
}

.mb20 {
  margin-bottom: 20px;
}

.mb25 {
  margin-bottom: 25px;
}

.mb30 {
  margin-bottom: 30px;
}

.mb35 {
  margin-bottom: 35px;
}

.mb40 {
  margin-bottom: 40px;
}

.mb45 {
  margin-bottom: 45px;
}

.mb50 {
  margin-bottom: 50px;
}

.ml5 {
  margin-left: 5px;
}

.ml10 {
  margin-left: 10px;
}

.ml15 {
  margin-left: 15px;
}

.ml20 {
  margin-left: 20px;
}

.ml25 {
  margin-left: 25px;
}

.ml30 {
  margin-left: 30px;
}

.ml35 {
  margin-left: 35px;
}

.ml40 {
  margin-left: 40px;
}

.ml45 {
  margin-left: 45px;
}

.ml50 {
  margin-left: 50px;
}

.mr5 {
  margin-right: 5px;
}

.mr10 {
  margin-right: 10px;
}

.mr15 {
  margin-right: 15px;
}

.mr20 {
  margin-right: 20px;
}

.mr25 {
  margin-right: 25px;
}

.mr30 {
  margin-right: 30px;
}

.mr35 {
  margin-right: 35px;
}

.mr40 {
  margin-right: 40px;
}

.mr45 {
  margin-right: 45px;
}

.mr50 {
  margin-right: 50px;
}

.mr100 {
  margin-right: 100px;
}

.p10 {
  padding: 10px;
}

.p15 {
  padding: 15px;
}

.p30 {
  padding: 30px;
}

.pt5 {
  padding-top: 5px;
}

.pt10 {
  padding-top: 10px;
}

.pt15 {
  padding-top: 15px;
}

.pt20 {
  padding-top: 20px;
}

.pt25 {
  padding-top: 25px;
}

.pt30 {
  padding-top: 30px;
}

.pt35 {
  padding-top: 35px;
}

.pt40 {
  padding-top: 40px;
}

.pt45 {
  padding-top: 45px;
}

.pt50 {
  padding-top: 50px;
}

.pb5 {
  padding-bottom: 5px;
}

.pb10 {
  padding-bottom: 10px;
}

.pb15 {
  padding-bottom: 15px;
}

.pb20 {
  padding-bottom: 20px;
}

.pb25 {
  padding-bottom: 25px;
}

.pb30 {
  padding-bottom: 30px;
}

.pb35 {
  padding-bottom: 35px;
}

.pb40 {
  padding-bottom: 40px;
}

.pb45 {
  padding-bottom: 45px;
}

.pb50 {
  padding-bottom: 50px;
}

.pl5 {
  padding-left: 5px;
}

.pl10 {
  padding-left: 10px;
}

.pl15 {
  padding-left: 15px;
}

.pl20 {
  padding-left: 20px;
}

.pl25 {
  padding-left: 25px;
}

.pl30 {
  padding-left: 30px;
}

.pl35 {
  padding-left: 35px;
}

.pl40 {
  padding-left: 40px;
}

.pl45 {
  padding-left: 45px;
}

.pl50 {
  padding-left: 50px;
}

.pr5 {
  padding-right: 5px;
}

.pr10 {
  padding-right: 10px;
}

.pr15 {
  padding-right: 15px;
}

.pr20 {
  padding-right: 20px;
}

.pr25 {
  padding-right: 25px;
}

.pr30 {
  padding-right: 30px;
}

.pr35 {
  padding-right: 35px;
}

.pr40 {
  padding-right: 40px;
}

.pr45 {
  padding-right: 45px;
}

.pr50 {
  padding-right: 50px;
}

.wrap {
  width: 1000px;
  margin: 0 auto
}