* {
    font-family: "Segoe UI" !important;
}

/*头部*/
.banner {
    width: 100%;
    height: 320px;
    background: url(https://french.news.cn/xistime/images/banner.jpg) no-repeat 50% 0;
    min-width: 1200px;
}

.nav ul li,
.nav ul li a {
    text-align: center;
    float: left;
}

.nav {
    width: 100%;
    height: 70px;
    min-width: 1200px;
}

.nav ul {
    width: 1200px;
    margin: 0 auto;
    z-index: 500
}

.nav ul li {
    line-height: 20px;
    padding: 10px;
    border: 1px solid #F03;
    border-radius: 20px;
    margin: 10px 5px;
}

.nav ul li+li {
    margin-left: 19px;
}

.nav ul li,
.nav ul li a {
    float: left;
    font-size: 18px;
    color: #F03;
}

.nav ul li ul li,
.nav ul li ul li a {
    width: 100%;
    color: #fff;
}

.nav ul li a:hover {
    color: #fff;
    background-color: #fe3c4a;
}

.nav ul li span {
    padding-right: 3px;
    float: left;
}

.nav ul .home,
.nav ul .home a {
    line-height: 70px;
    height: 70px;
    margin-left: 25px;
}

.nav .m h3 {
    font-weight: normal;
}

.nav .m h3:before {
    content: "";
    position: absolute;
    right: 0;
    top: 30px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 10px 0 10px;
    border-color: #fff transparent transparent transparent;
}

.nav .m {
    position: relative;
    float: left;
    width: 51px;
    display: inline;
    text-align: center;
}

.nav .sub {
    display: none;
    width: 120px;
    position: absolute;
    left: 11px;
    top: 70px;
    background: #fff;
    float: left;
    line-height: 30px;
    border: 1px solid #f00b11;
    border-top: none;
}

.nav .sub li {
    text-align: center;
    font-size: 16px;
    color: #f00b11;
    width: 100%;
    float: none;
    padding: 4px 0;
    line-height: 20px;
}

.nav .sub li a {
    color: #fff;
    display: block;
    zoom: 1;
    line-height: 20px;
    float: none;
}

.nav .sub li a:hover {
    color: #fff;
}

.nav ul .ono:hover {
    background: #fe3c4a;
}

.nav ul .ono:hover a {
    display: block;
    background: #fe3c4a;
    color: #fff;
}

select {
    float: left;
    border-radius: 0px;
    border-color: #F03;
    border-radius: 20px;
    font-size: 20px;
    text-align: center;
    padding: 8px 5px;
    margin-top: 10px;
    margin-left: 3px;
    color: #F03;
}

select option {
    text-align: center;
}

@media screen and (min-width:0px) and (max-width: 767px) {
    .mb_banner {
        width: 100%;
        height: auto;
    }

    .mb_banner img {
        width: 100%;
        height: auto;
    }

    .nav {
        white-space: normal;
        overflow: auto;
        min-width: 0;
    }

    .nav ul li {
        display: inline-block;
    }

    .nav ul li,
    .nav ul li a {
        width: auto;
    }

    .nav ul li {
        margin: 10px 5px;
    }
    .nav ul li + li {
        margin-left: 20px;
    }
}