.nt_top {
    display: flex;
    width: 100%;
    min-width: 1280px;
    height: 76px;
    position: relative;
    font-size: 16px;
    color: #ccc;
}

/* logo */

.nt_top .nt_top_logo {
    display: flex;
    align-items: center;
    height: 90px;
    padding-left: 20px;
    transition: all .2s linear;
    opacity: 0.8;
}

.nt_top .nt_top_logo:hover {
    opacity: 1;
}

.nt_top .nt_top_logo img {
    width: 170px;
}

.nt_top .nt_top_logo p {
    font-size: 12px;
    white-space: nowrap;
    margin-left: 3px;
}

/* nav */

.nt_top .nt_top_nav {
    display: flex;
    height: 90px;
    overflow: hidden;
}

.nt_top .nt_top_nav {
    display: flex;
    margin-left: 50px;
}

.nt_top .nt_top_nav li .nt_top_nav_font {
    display: flex;
    align-items: center;
    text-align: center;
    justify-content: center;
    padding-bottom: 10px;
    margin: 0 5px;
    height: 68px;
    line-height: 1.5;
    border-top: 12px solid transparent;
    transition: all .2s linear;
    color: #ccc;
    width: 180px;
}

.nt_top .nt_top_nav li .nt_top_nav_font:hover {
    color: #fff;
    border-color: rgba(0, 0, 0, 0.25);
}

.nt_top .nt_top_nav li .nt_top_nav_font.nt_top_nav_on {
    border-color: rgba(0, 0, 0, 0.4);
}

@media screen and (max-width: 1600px) {
    .nt_top .nt_top_nav {
        margin-left: 30px;
    }

    .nt_top .nt_top_nav li .nt_top_nav_font {
        margin: 0 5px;
        width: 120px;
        font-size: 14px;
    }
}

/* option */

.nt_top .nt_top_right {
    position: absolute;
    right: 0;
    top: 0;
    display: flex;
    height: 90px;
    align-items: center;
    padding-right: 10px;
}

.nt_top .nt_top_right a {
    line-height: 30px;
    margin: 0 10px;
    opacity: 0.8;
    transition: all .2s linear;
}

.nt_top .nt_top_right a:hover {
    opacity: 1;
}

.nt_top .nt_top_right img {
    width: 30px;
}

/* 弹窗 */

.nx_diatc {
    display: none;
    width: 1019px;
    height: 763px;
    background: #ffffff;
    border: 1px solid #c0c0c0;
    color: #000000;
}
.nx_diabottom .nt_cstopdate .nt_cstopdate_put{
	background: #777777;
}
.nx_diatcT {
    height: 30px;
    line-height: 30px;
    background: #777777;
    color: #ffffff;
    padding: 0 17px;
}

.nx_diatcT .nx_diatcL {
    float: left;
}

.nx_diatcT .nx_diatcR {
    float: right;
    margin-top: 5px;
    cursor: pointer;
}

.nx_diatc .nx_diatcTit {
    height: 50px;
    line-height: 50px;
    padding: 0 17px;
    font-size: 14px;
}

.nx_diatc .nx_diatcqx {
    margin: 0 17px;
}

.nx_diatc .nx_diatcbot {
    height: auto;
    overflow: hidden;
    clear: both;
}

.nx_diatc .nx_diatcbot .nx_diatcbotmain {
    width: 300px;
    float: left;
    margin: 0 100px 0 25px;
}

.nx_diatc .nx_diatcbot .nx_diatcbotmain .nx_diatcbotLtit {
    height: 30px;
    line-height: 30px;
    border-bottom: 1px solid #535456;
    color: #fff;
    font-size: 14px;
}

.nx_diatc .nx_diatcbot .nx_diatcbotmain ul {
    height: auto;
    overflow: hidden;
    margin-top: 10px;
}

.nx_diatc .nx_diatcbot .nx_diatcbotmain ul li {
    height: 25px;
    line-height: 25px;
    font-size: 14px;
}

.nx_diatc .nx_diatcbot .nx_diatcbotmain ul li .nx_diatcbotL {
    float: left;
    width: 140px;
}

.nx_diatc .nx_diatcbot .nx_diatcbotmain ul li .nx_diatcbotR {
    float: left;
    margin-left: 20px;
}
.nt_top_right a:nth-of-type(1),.nt_top_right a:nth-of-type(2){
    position: relative;
}
.nt_top_right span.active_red{
    color: #fff;
    width: 36px;
    height:36px;
    border-radius: 50%;
    background: red;
    position: absolute;
    top:-10px;
    right:-10px;
    font-size: 13px;
    text-align: center;
    line-height: 36px;
    -webkit-transform:scale(.5,.5);
    transform:scale(.5,.5);
}