@media (min-width: 320px) {
  html {
    font-size: 32px;
  }
}

@media (min-width: 360px) {
  html {
    font-size: 36px;
  }
}

@media (min-width: 375px) {
  html {
    font-size: 37.5px;
  }
}

@media (min-width: 384px) {
  html {
    font-size: 38.5px;
  }
}

@media (min-width: 414px) {
  html {
    font-size: 41.4px;
  }
}

@media (min-width: 448px) {
  html {
    font-size: 44.8px;
  }
}

@media (min-width: 480px) {
  html {
    font-size: 48px;
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 清除浮动元素所在容器的浮动属性 */

.clearfix:before, .clearfix:after {
  content: " ";
  display: table;
  line-height: 0;
}

.clearfix:after {
  clear: both;
}

.clearfix {
  *zoom: 1;
  /* IE67专用属性，缩放比 */
}

.clear::after{
  content: "";
  clear: both;
  display: block;
  width: 0;
  height: 0;
  overflow-x: hidden;
}

body {
  font-family: "Tahoma", "Helvetica", "Arial", "Microsoft YaHei", "黑体", "宋体", sans-serif;
  color: #666;
  position: relative;
  height: auto;
  min-width: 320px;
  max-width: 750px;
  margin: 0 auto;
  font-size: 0.37rem;
  overflow-x: hidden;
}

i {
  font-style: normal;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6, b {
  font-weight: normal;
  font-size: inherit;
  color: #333;
}

a {
  text-decoration: none;
  color: #666;
}

img {
  border: none;
  display: block;
  width: 100%;
}

input, select {
  outline: none;
}

.flex-cont {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
}
input[type=button] {
    -webkit-appearance: none;
    outline: none;
    border-radius: 0px;
}
input[type=submit] {
    -webkit-appearance: none;
    outline: none;
    border-radius: 0px;
}
input[type=checkbox] {
    -webkit-appearance: none;
    outline: none;
    border-radius: 0px;
}
select{ 
  -webkit-appearance: none;
  border-radius: 0px;
 
}
.btn {
  line-height: 1.2rem;
  height: 1.2rem;
  width: 72.38%;
  text-align: center;
  display: block;
  color: #fff;
  background: #258ae8;
  font-size: 0.34rem;
  margin: 0 auto;
/*  -moz-border-radius: 0.2em;
  -webkit-border-radius: 0.2em;
  border-radius: 0.2em;*/
}

.btn:active {
  background: #207ed6;
}



.text-overflow {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.nav {
  position: fixed;
  width: 100%;
  top: 2.46rem;
  left: 0;
  background: #fff;
  height: 100vh;
  display: none;
  z-index: 999;
}

.nav a {
  line-height: 1.17rem;
  height: 1.17rem;
  display: block;
  font-size: 0.4rem;
  color: #333;
  border-bottom: 1px solid #dedede;
  padding: 0 0.5rem;
}

.nav .sec {
  background: #f5f5f5;
  color: #7e7e7e;
}


.header-sec .sec {
  width: 0.61rem;
}

.header-sec div {
  padding: 0 !important;
}

.header-sec {
  line-height: 1.3rem;
  height: 1.3rem;
}

.kong {
  height: 2.5rem;
}

.kong02 {
  height: 1.5rem;
}

.kong03 {
  height: 1.3rem;
}

.bg{background:#f2f2f2;}
.left{float: left;}
.right{float: right;}