/* !头部开始 */
.tv_head {
    width: 100%;
    height: 56px;
    background: #fff;
    box-shadow: 0 1px 0 0 rgba(229, 229, 229, 0.5);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 99999999999999;
}

.tv_head .container {
    width: 1200px;
    margin: 0 auto;
}

.tv_head .logo {
    width: 290px;
    height: 56px;
    overflow: hidden;
    float: left;
    line-height: 56px;
}
.tv_head h1{
    display: inline-block;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.tv_head img {
    vertical-align: middle;
}

.tv_head .nav {
    float: right;
    color: #414243;
    margin-right: 20px;
}

.tv_head .nav_list {
    display: inline-block;
    color: #999;
    height: 56px;
    line-height: 56px;
    padding: 0 17px;
    border-bottom: 2px solid #fff;
}

.tv_head .nav_list:hover {
    color: #fe7000;
    border-bottom: 2px solid #fe7000;
}

.tv_head .nav .current {
    color: #fe7000;
    border-bottom: 2px solid #fe7000;
}

.tv_head .list_icon_pc_hover,
.tv_head .list_icon_phone_hover {
    display: none;
}

.tv_head .list_icon_pc_box:hover .list_icon_pc_hover {
    display: inline-block;
}

.tv_head .list_icon_pc_box:hover .list_icon_pc {
    display: none;
}

.tv_head .list_icon_phone_box:hover .list_icon_phone_hover {
    display: inline-block;
}

.tv_head .list_icon_phone_box:hover .list_icon_phone {
    display: none;
}

/* !头部结束 */