body {background:#eff4fa;padding: 0;margin: 0;}
#mainDiv {width:380px;height:578px;margin:0 auto;padding: 10px;}
#mainDiv ul {margin: 0;padding: 0;clear: both;border-top: 1px solid #d9d9d9;border-left: 1px solid #d9d9d9;}
#mainDiv ul::after {content:"";clear: both;display: block;}
#mainDiv li
{ background: #fff;width: 178px;font-size:14px;line-height: 30px;list-style-type:none;margin: 0;padding: 0 5px;float:left;
  border: 1px solid #d9d9d9;border-top: none;border-left: none;
}
#mainDiv > div {margin-bottom: 15px;}
#mainDiv textarea {width: 358px;border: 1px solid #d9d9d9;border-radius: 4px;padding: 10px;margin-top: 5px;}
#mainDiv textarea:focus,#mainDiv input {outline: none;}
#mainDiv .item input {margin: 8px 0;vertical-align: 2px;}
#mainDiv .fill {line-height: 22px;border: 1px solid #d9d9d9;border-radius: 4px;padding: 0 10px;}
#mainDiv .item img {vertical-align: -4px;margin-right: 5px;}
#mainDiv .tjbtn {width: 30%;background: #007fe4;color: #fff;font-size: 14px;line-height: 28px;text-align: center;margin: 10px auto;border-radius: 4px;border: none;display: block;cursor: pointer;}