html,body,div,p,h1,h2,h3,h4,h5,h6,ul,ol,dl,li,dt,dd{
  /* 默认有边距，都要清除 */
  margin: 0;
  padding: 0;
  /*字体设置*/
  font-size: 14px;
  font-family: "Microsoft Yahei",sans-serif;
  box-sizing: border-box;
  color: #ccc;
  /* 去掉列表的原点 */
  list-style: none;
  /* 默认鼠标 */
  cursor: default;
}
@media only screen and (width: 320px) {
  html,
  body {
      font-size: 16px;
  }
}

@media only screen and (width: 360px) {
  html,
  body {
      font-size: 18px;
  }
}

@media only screen and (width: 375px) {
  html,
  body {
      font-size: 18.75px;
  }
}

@media only screen and (width: 400px) {
  html,
  body {
      font-size: 20px;
  }
}

@media only screen and (width: 412px) {
  html,
  body {
      font-size: 20.6px;
  }
}

@media only screen and (width: 414px) {
  html,
  body {
      font-size: 20.7px;
  }
}

@media only screen and (min-width: 640px) {
  html,
  body {
      font-size: 32px;
  }
}

@media only screen and (min-width: 768px) {
  html,
  body {
      font-size: 38.4px;
  }
}

@media only screen and (min-width: 1024px) {
  html,
  body {
      font-size: 51.2px;
  }
}

/*可选*/
html,body{
  width: 100%;
  height: 100%;
  /* font-size: 60px!important; */
}

/*行内块元素*/
input,img{
  display: block;
  margin: 0;
  padding: 0;
  border: 0 none;
  outline-style: none;
  /* vertical-align: bottom;  */
}

/*行内元素*/
a,a:active,a:visited{
  /*下划线和颜色*/
  text-decoration: none;
  color: #ccc;
}

a:hover{
  color:#333;
}

textarea{
  /* 边框清零 */
  border:none;
  /* 轮廓线清零 */
  outline: none;
  /* 防止文本域被随意拖拽 */
  resize: none;
}

i{
  /*文字样式*/
  font-style: normal; 
}

table{
  /*边框合并*/
  border-collapse:collapse;
  border-spacing:0;
}


/* 使用伪元素清除浮动 */
.clearfix::before,
.clearfix::after{
  content:"";
  height: 0;
  line-height: 0;
  display: block;
  visibility: none;
  clear: both;
}

.clearfix {
  *zoom: 1;
}

/* 版心*/
.w{
  width: 1883px;
  margin: 0 auto;
}

/*可选*/
/*单选框和复选框的配置，一般是分开的*/
input[type="radio"],input[type="checkbox"]{
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  display: none;
}

label{
  display: inline-block;
  cursor: pointer;
}
/*可选*/