html,body,p,h1,h2,h3,h4,h5,h6,textarea,img,ul,ol,li,dl,dt,dd{ margin: 0; padding: 0;}
html, body{ background-color: #fff; }
html { -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; }
body,::-webkit-input-placeholder { font-family: -apple-system-font, '微软雅黑', Arial, "Helvetica Neue", Helvetica, sans-serif; color:#3d3d3d; font-size: 14px; line-height: 1.6;}
ul,li{ list-style:none;}
a{ text-decoration:none; color:#3d3d3d; outline:none; -webkit-touch-callout: none;}
a:hover{ color:#3d3d3d; text-decoration:none;}
img{border:none; max-width: 100%;}
*{box-sizing: border-box;}

/*重置苹果系统下按钮自带样式*/
input,button,select,textarea{outline:none; border:none;outline:none;background:none;border-radius:0; -webkit-appearance: none; font-family: '微软雅黑', Arial, "Helvetica Neue", Helvetica, sans-serif;margin:0;padding:0;}

input[type="date"]:before{ content:attr(placeholder); color:#999;}
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
  color: #9d9d9d;
}
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button{
    -webkit-appearance: none !important;
    margin: 0; 
}