body{
    padding:0;
    margin:0;
    font:small arial,sans-serif;
    font-size:16px;
    text-align:center;
	background-color:white;
} #mngb{
    position: absolute;
    width: 100%;
    top:15px;
} #gb_2{
    width: 285px;
    position: relative;
    padding-left:30px ;
    padding-right: 15px;
    float: right;
    display: flex;
} .icon{
    padding-right: 10px;
    padding-left: 10px;
} a{
    text-decoration:none;
} #lga{
    margin-top:80px;
    height: 231px;
    text-align: center;
} #lga img{
    margin-top: 80px;
   width: 272px;
   height: 93px;
} #lga #logo-sub{
    color: #4285f4;
    text-align:center;
    position: relative;
    /*top:-20px;*/
    /*width: 0;*/
} form{
    height: 30px;
} .fkbx{
    width:670px;/*注意这里会用自适应*/
    display: inline-block;
    background-color: #fff;
    border: 1px solid rgb(185,185,185);/*它的输入框居然是一个div，并不是一个实际的输入框*/
    border-radius: 1px;
    font: 18px arial,sans-serif;
    height: 36px;
    line-height: 36px;
    position: relative;
} .fkbx input{
    background: transparent;
    border:none;
    bottom: 0;
    box-sizing: border-box;
    left: 0;
    margin: 0;
    position: absolute;
    top:2px;
    width: 100%;
} .mv-hide{
    margin-top:63px;
} #mv-tittle{
    text-align: start;
    overflow: hidden;
    position: relative;
    margin: 0 auto;
    height: 292px;
    /*line-height: 292px;*/
    width:688px;   /*自适应会调整*/
} #mv-single{
    border:none;
    height: 100%;
    width: 100%;
} @media screen and (max-width: 872px) { .fkbx{
        width: 498px;
    } #mv-tittle{
        width: 516px;
    } } @media only screen and (max-width: 700px){ .fkbx{
        width: 326px;
    } #mv-tittle{
        width: 344px;
    } }