/* 导航 */
.header .layout {
    height: 80px;
}

.header {
    height: 80px;
    width: 100%;
    background:#fff;
}
.header .logo_left img {
    width:200px;
}
.header .detail_right li {
    font-size: 24px;
    line-height: 38px;
    text-align: center;
    margin-right: 40px;
}

.header .detail_right li a {
    color: #1F2121;
    font-size:24px;
    display: inline-block;
    width: 130px;
    padding: 25px 0 13px;
    border-bottom: 4px solid transparent;
}

.header .detail_right li:nth-of-type(5) {
    margin-right: 0;
}
.header .detail_right li a span{
    padding-bottom:17px;
}
.header .detail_right li.active a span{
    border-bottom: 4px solid #D4251F;
}
.header .detail_right li.active a {
    color:#D4251F;
}
/* 适配手机模式 */
html,body{
    min-width:1200px;
}