* {
  margin: 0;
  padding: 0;
}

body {
  min-width: 1500px;
}

a {
  text-decoration: none;
}

#main * {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

#main {
  font-size: 16px;
  font-family: "Microsoft YaHei";
  position: relative;
  margin: 0 auto;
  width: 100%;
  height: auto;
  background-size: 100%;
}

#main input,
#main select,
#main textarea {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  outline: none;
}

#main i,
#main em {
  font-style: normal;
}

input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0px 1000px #f1f1f1 inset !important;
}

input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0px 1000px #ffffff inset !important;
}

table {
  width: 100%;
  text-align: center;
  /*文本居中*/
  border-collapse: collapse;
  /*表格的边框合并，如果相邻，则共用一个边框*/ 
  border-spacing: 0;
  /*设置行与单元格边框的间距。当表格边框独立（即border-collapse:separate;）此属性才起作用*/
}

table td {
  border-right: 1px solid #e6e6e6;
  border-top: 1px solid #e6e6e6;
}

/* 滚动槽 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.06);
  -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.08);
}

/* 滚动条滑块 */
::-webkit-scrollbar-thumb {
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.12);
  -webkit-box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2);
}


.dis_f {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.dis_b {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dis_c {
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn{
  cursor: pointer;
  text-align: center;
}
.tc{
  text-align: center;
}
.tl{
  text-align: left;
}
.pr{
  position: relative;
}
.po{
  position: absolute;
}
.po_center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%, -50%,0);
}
.banner{
  width: 100%;
  background-position: center;
}
article{
  min-width: 1500px;
}
section .content,article .preface{
  width: 1200px;
  margin: 0 auto;
}
/* Avanti */
@font-face {
  font-family: 'Avanti';
  src: url('./font/AvantiBold.woff2') format('woff2'),
    url('./font/AvantiBold.woff') format('woff');
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

/* PingFangSC */
@font-face {
  font-family: 'PingFangSC';
  src: url('./font/PangMenZhengDao.woff2') format('woff2'),
    url('./font/PangMenZhengDao.woff') format('woff');
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

/* ArialMT-Bold */
@font-face {
  font-family: 'ArialMT-Bold';
  src: url('./font/ArialMT-Bold.woff2') format('woff2'),
    url('./font/ArialMT-Bold.woff') format('woff');
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

form .item,
form input,
form select {
  width: 270px;
  height: 45px;
  background-color: #f2f2f2;
  border-radius: 6px;
  font-size: 12px;
  color: #999999;
}

form .item {
  margin-bottom: 8px;
}

form input,
form select {
  padding-left: 10px;
}
form  input::placeholder{
  color: #999999;
}
form select {
  background: #f1f1f1 url(../img/arrow.png) no-repeat right;
  background-position-y: 50%;
  background-position-x: 245px;
}

form .item.yzm input {
  width: 150px;
}

form .item.yzm span {
  width: 120px;
  background-color: #ffffff;
  height: 45px;
  line-height: 45px;
  text-decoration: underline;
  font-size: 16px;
  font-weight: 700;
  color: #ff0000;
  cursor: pointer;
}

form .btn {
  width: 160px;
  height: 40px;
  line-height: 40px;
  background-color: #ffb000;
  border-radius: 19.5px;
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin: 20px auto 0;
}