html {
    scroll-behavior: smooth;
}
body {
    padding-top: 4px;
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
        "Microsoft YaHei Light", "微软雅黑", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    background-color: rgb(254, 254, 254);
}
.container-fluid {
    position: relative;
}
* {
    box-sizing: border-box;
}
a {
    color: #555;
}
a:hover {
    color: #999;
    text-decoration: none;
}
ul,
li {
    list-style: none;
}
/*菜单*/

.menu {
    width: 24px;
    height: 24px;
    font-size: 14px;
    color: #b2b2b2;
    display: inline-block;
    position: relative;
}
.menu:before {
    transition: all 0.2s ease-out;
    content: "";
    border-top: 1px solid;
    width: 100%;
    display: block;
    transform: rotate(0);
    position: absolute;
    top: 6px;
}

.menu:after {
    transition: all 0.2s ease-out;
    content: "";
    border-top: 1px solid;
    width: 100%;
    display: block;
    transform: rotate(0);
    position: absolute;
    bottom: 6px;
}
.navbar-bg .menu:before {
    top: 50%;
    transform: rotate(45deg);
    left: 10%;
    width: 80%;
    margin-top: -1px;
}
.navbar-bg .menu:after {
    bottom: 50%;
    transform: rotate(-45deg);
    left: 10%;
    width: 80%;
}
.container-fluid {
    padding-left: 0;
    padding-right: 0;
    /*max-width: 1920px;*/
}
.navfix .navbar-brand img {
    margin-top: 10px;
}
.bigcontent {
    position: absolute;
    left: 0;
    width: 100%;
    z-index: 999;
    padding: 20px 15px;
}
.navbar {
    margin-bottom: 0;
}
.navfix {
    position: fixed;
    top: 0;
    left: 0;
}
.navfix .navbar .navbar-brand {
    padding-left: 15px;
    padding-top: 0;
}
.navbar-nav {
    padding-top: 12px;
}
.logo {
    width: 87px;
    /*height: 60px;*/
}
.navbar-brand {
    padding: 0;
}
.link {
    margin-top: 12px;
    margin-right: 20px;
}
.links {
    border: 1px solid #999;
    padding: 1px 9px;
    border-radius: 7px;
    text-align: center;
    letter-spacing: 1px;
    font-size: 12px;
    margin-top: 5px;
}
.nav > li > a {
    font-size: 18px;
    color: #fff;
    transition: 0.8s;
}
.navbar-brand {
    padding-left: 15px;
}

.navbar-toggle {
    border: none;
    padding-right: 0;
}
.navbar-nav {
    height: 100%;
    vertical-align: middle;
    margin-top: -10px;
}
.navbar-left > li > a {
    letter-spacing: 2px;
    padding: 5px 0;
    border-bottom: 1px solid #fff;
    font-size: 14px;
}
.navbar-left > li > a > span {
    font-size: 12px;
}
.nav > li > a:hover,
.nav > li > a.active {
    background-color: transparent;
    color: #000 !important;
    font-weight: 500;
}
.ll {
    color: #fff;
    font-size: 10px;
    border-bottom: 1px solid #fff;
}
.ll:hover {
    color: #000;
    border-bottom: 1px solid #999;
}
.huanhang {
    width: auto;
    display: inline-block;
    padding-left: 10px;
    float: left;
    margin-top: 11px;
}
.huanhang li {
    float: left;
    width: auto;
    display: inline-block;
    letter-spacing: 2px;
    padding: 5px 20px 5px 0;
    font-size: 12px;
}
/*尾部*/

.toTop {
    cursor: pointer;
    float: right;
    margin-right: 40px;
}
.toTop:hover {
    color: #999;
}
.language {
    color: grey;
    padding-left: 15px;
}
/*媒体查询*/

@media (max-width: 768px) {
    .container-fluid > .navbar-collapse,
    .container-fluid > .navbar-header,
    .container > .navbar-collapse,
    .container > .navbar-header {
        margin: 0;
        /*background-color: rgb(245, 245, 245);*/
    }
    body {
        padding-top: 0;
    }
    .nav {
        text-align: left;
        padding: 0 3px;
    }
    .navbar {
        padding: 10px 0 0 0;
    }
    .navbar-bg {
        background-color: rgb(245, 245, 245);
    }
    .navbar-nav {
        background-color: rgb(245, 245, 245);
    }
    .nav > li {
        padding: 5px 7px;
        width: auto;
        margin-top: 5px;
        transition: 0.5s;
        -webkit-transition: 0.5s;
        -moz-transition: 0.5s;
        border-bottom: 1px solid rgba(174, 174, 174, 0.5);
    }
    .nav > li > a {
        font-size: 16px;
        color: #000;
    }
    .navbar-nav > li > a {
        padding-top: 15px;
        padding-bottom: 15px;
    }
    .navbar .navbar-brand {
        padding-left: 15px;
        padding-top: 12px;
    }
    .navbar-brand .logo {
        width: 65px;
    }
    .huanhang {
        width: 100%;
        clear: both;
        padding-left: 5px;
    }
    .bigcontent {
        top: 0;
        padding: 0;
        height: 70px;
    }
    .nav > li {
        padding: 0 5px;
        margin-top: 0;
    }
    .navbar-left > li > a {
        padding: 0;
    }
    .ll {
        font-size: 14px;
    }
    .foot span {
        font-size: 14px;
    }
}
@media only screen and (min-width: 768px) and (max-width: 1240px) {
    .nav > li {
        padding: 5px;
    }
    .nav > li {
        padding: 5px 7px;
        float: left;
        width: auto;
        display: inline-block;
        margin-top: 5px;
        transition: 0.5s;
        -webkit-transition: 0.5s;
        -moz-transition: 0.5s;
    }
    .huanhang li {
        padding: 5px 10px 5px 0;
    }
}
.fixed-nav {
    background-color: rgb(245, 245, 245);
}
.fixed-nav .nav > li > a {
    color: #000;
}