body {
    background: #F1F1F1
}

.wrap {
    width: 1400px;
    min-height: 925px;
    margin: 10px auto 0 auto;
}
.help img{width: inherit;}
/* 主要部分css */
main {
    background: white;
    margin-top: 1%;
    min-height: inherit;
}

.nav_input {
    padding: 2% 3%;
    box-sizing: border-box
}

.nav_input>* {
    display: inline-block;
}

.nav_input ul>* {
    display: inline-block;
    font-size: 16px;
    margin: 0 10px;
}

.nav_input ul b {
    font-size: 20px;
}

.nav_input ul>li {
    width: 90px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 25px;
    cursor: pointer;
    user-select: none;
    -webkit-border-radius: 25px;
    -moz-border-radius: 25px;
    -ms-border-radius: 25px;
    -o-border-radius: 25px;
}

/* 选中的css */
.nav_input_active {
    background: orange;
    color: white;
}

.nav_input .inp {
    float: right;
}

.nav_input .inp input {
    height: 34px;
    font-size: 14px;
    padding: 0 20px;
    margin: 0 4px;
    border: none;
    border-radius: 4px;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    -ms-border-radius: 4px;
    -o-border-radius: 4px;
}

.nav_input .inp input[type=button] {
    cursor: pointer;
    color: white;
}
.nav_input .inp input:nth-child(1) {
    background: rgb(62, 85, 214)
}

.nav_input .inp input[type=text] {
    border: 1px #ddd solid;
}

/* 求助信息盒子部分 */
.clearfix:after {
    content: "";
    display: block;
    visibility: hidden;
    clear: both;
    height: 0;
}

.clearfix {
    /* 为了照顾ie6浏览器*/
    zoom: 1;
}

.boxes {
    margin-bottom: 55px;
}

.help {
    float: left;
    width: 240px;
    height: 300px;
    margin: 20px 0 0 34px;
    font-size: 16px;
}
.help:hover{
    cursor: pointer;
    background: #ddd
}
.help p {
    padding: 0px 10px;
    margin: 10px 0;
    line-height: 24px;
    font-size: 15px;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin: 0px auto;
    overflow: hidden;
}

.help_msg {
    margin-top: 20px;
}

.help_msg p {
    font-family: '黑体';
    padding: 0px 10px;
    line-height: 24px;
    float: left;
    margin-top: 4px;
    font-size: 14px;
    color: #929292;

}

.help_msg p span {
    font-family: '黑体';
    margin-left: 10px;
}

.help_msg a {
    margin: 0 15px;
    float: right;
    padding: 5px 15PX;
    height: 20px;
    line-height: 20px;
    border-radius: 15px;
    border: 1px solid #D2462F;
    color: #D2462F;
}

.help_msg a:hover {
    background-color: #D2462F;
    color: white;
}