.head {
    width: 100%;
    z-index: 30px;
    left: 0;
    top: 0;
    z-index: 9999;
    position: relative
}

.head .header {
    width: 100%;
    padding: 40px 10px;
    transition: .5s;
    -webkit-transition: .5s;
    -moz-transition: .5s;
    -ms-transition: .5s
}

.head.active .icon-an1 span {
    background: #303030
}

.head.active .header {
    background: #fff;
    padding: 10px 10px
}

.head.active .header .nav li a {
    color: #303030;
    font-size: 16px;
}

.head.active .logo img {
    opacity: 1
}

.head.active .ss .ssan {
    background-color: #303030
}

.head .a-wd {
    padding: 10px 10px
}

.head .a-wd:after {
    content: "";
    display: block;
    width: 100%;
    overflow: hidden;
    clear: both
}

.head .logo {
    width: 270px;
    float: left;
    height: 60px;
    background: url(../images/logo-b.png);
    background-repeat: no-repeat
}

.head .logo img {
    opacity: 0
}

.head .head-right {
    padding-left: 280px
}

.head .head-right:after {
    content: "";
    display: block;
    width: 100%;
    overflow: hidden;
    clear: both
}

.head .nav {
    float: right
}

.head .nav li {
    float: left;
    line-height: 60px;
    width: 120px;
    text-align: center
}

.head .nav li a {
    zoom: 1;
    display: inline-block;
    vertical-align: middle;
    color: #fff;
    position: relative
}

.head .nav li a:after {
    content: "";
    position: absolute;
    top: 45px;
    left: 0;
    background: 0 0;
    width: 100%;
    height: 1px
}

.head .nav li a:hover {
    color: #c7000b
}

.head .nav li a:hover:after {
    background: #c7000b
}

.head .ss {
    float: right;
    font-size: 0;
    padding-top: 10px;
    position: relative
}

.head .ss .ssk {
    line-height: 40px;
    height: 40px;
    border: 1px solid #ddd;
    background: 0 0;
    width: 180px;
    padding-left: 10px
}

.head .ss .ssan {
    line-height: 40px;
    width: 40px;
    border: none;
    color: #fff;
    height: 40px;
    position: absolute;
    right: 0;
    top: 10px;
    background: url(../images/chaxun.png) no-repeat center center;
    vertical-align: middle;
    background-size: 20px 20px
}

.logosj {
    padding: 10px;
    display: none
}

.icon-an1 {
    height: 45px;
    width: 40px;
    display: none;
    z-index: 9999
}

.icon-an1 span {
    position: absolute;
    width: 20px;
    height: 1.5px;
    left: 50%;
    margin-left: -10px;
    background-color: #fff;
    -webkit-transition: opacity .2s, -webkit-transform .4s ease-out;
    transition: opacity .2s, -webkit-transform .4s ease-out;
    transition: transform .4s ease-out, opacity .2s;
    transition: transform .4s ease-out, opacity .2s, -webkit-transform .4s ease-out
}

.icon-an1-top {
    top: 10px
}

.icon-an1-middle {
    top: 18px
}

.icon-an1-bottom {
    top: 26px
}



@media screen and (max-width:1520px) {
    .head .a-wd {
        padding: 0 10px
    }
}

@media screen and (max-width:1200px) {
    .icon-an1 {
        display: block;
        float: right;
        position: relative
    }

    .logosj {
        display: block;
        margin-bottom: 20px
    }

    .head .logo {
        height: auto;
        background-size: 200px auto;
        background-repeat: no-repeat
    }

    .head .logo img {
        width: 200px;
        height: auto
    }

    .head .head-right {
        padding-left: 0;
        position: fixed;
        left: 0;
        top: 0;
        height: 100%;
        width: 220px;
        background: #fff;
        -webkit-transform: perspective(450px) rotateY(90deg);
        -ms-transform: perspective(450px) rotateY(90deg);
        transform: perspective(450px) rotateY(90deg);
        -webkit-transform-origin: 0 0;
        -ms-transform-origin: 0 0;
        transform-origin: 0 0;
        transition: .5s;
        -webkit-transition: .5s;
        -moz-transition: .5s;
        -ms-transition: .5s
    }

    .head .head-right:after {
        content: "";
        display: block;
        width: 100%;
        overflow: hidden;
        clear: both
    }

    .head .ss {
        float: none;
        width: auto;
        margin: 10px
    }

    .head .ss .ssan {
        background-color: #303030
    }

    .head .nav {
        float: none
    }

    .head .nav li:nth-child(1) {
        transition: .6s .1s;
        -webkit-transition: .6s .1s;
        -moz-transition: .6s .1s;
        -ms-transition: .6s .1s
    }

    .head .nav li:nth-child(2) {
        transition: .6s .2s;
        -webkit-transition: .6s .2s;
        -moz-transition: .6s .2s;
        -ms-transition: .6s .2s
    }

    .head .nav li:nth-child(3) {
        transition: .6s .3s;
        -webkit-transition: .6s .3s;
        -moz-transition: .6s .3s;
        -ms-transition: .6s .3s
    }

    .head .nav li:nth-child(4) {
        transition: .6s .4s;
        -webkit-transition: .6s .4s;
        -moz-transition: .6s .4s;
        -ms-transition: .6s .4s
    }

    .head .nav li:nth-child(5) {
        transition: .6s .5s;
        -webkit-transition: .6s .5s;
        -moz-transition: .6s .5s;
        -ms-transition: .6s .5s
    }

    .head .nav li:nth-child(6) {
        transition: .6s .6s;
        -webkit-transition: .6s .6s;
        -moz-transition: .6s .6s;
        -ms-transition: .6s .6s
    }

    .head .nav li:nth-child(7) {
        transition: .6s .7s;
        -webkit-transition: .6s .7s;
        -moz-transition: .6s .7s;
        -ms-transition: .6s .7s
    }

    .head .nav li:nth-child(8) {
        transition: .6s .8s;
        -webkit-transition: .6s .8s;
        -moz-transition: .6s .8s;
        -ms-transition: .6s .8s
    }

    .head .nav li:nth-child(9) {
        transition: .6s .9s;
        -webkit-transition: .6s .9s;
        -moz-transition: .6s .9s;
        -ms-transition: .6s .9s
    }

    .head .nav li:nth-child(10) {
        transition: .6s 1s;
        -webkit-transition: .6s 1s;
        -moz-transition: .6s 1s;
        -ms-transition: .6s 1s
    }

    .head .nav li {
        float: none;
        width: 100%;
        -webkit-transform: translate(0, 100px);
        -ms-transform: translate(0, 100px);
        transform: translate(0, 100px);
        opacity: 0;
        position: relative
    }

    .head .nav li.this:before {
        background: #c7000b;
        content: "";
        transition: .5s 1s;
        -webkit-transition: .5s 1s;
        -moz-transition: .5s 1s;
        -ms-transition: .5s 1s;
        -webkit-transform: translate(-500%, 0);
        -ms-transform: translate(-500%, 0);
        transform: translate(-500%, 0);
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%
    }

    .head .nav li a {
        display: block;
        color: #303030;
        position: relative;
        transition: .5s 1s;
        -webkit-transition: .5s 1s;
        -moz-transition: .5s 1s;
        -ms-transition: .5s 1s
    }

    .head .nav-sub {
        display: none !important
    }

    .head .header.m-click-this .head-right {
        -webkit-transform: perspective(450px) rotateY(0);
        -ms-transform: perspective(450px) rotateY(0);
        transform: perspective(450px) rotateY(0);
        background: #fff
    }

    .head .header.m-click-this .nav li {
        opacity: 1;
        -webkit-transform: translate(0, 0);
        -ms-transform: translate(0, 0);
        transform: translate(0, 0);
        width: 100%;
        height: 60px;
        line-height: 60px;
        overflow: hidden;
        -moz-box-flex: none;
        -webkit-box-flex: none;
        box-flex: none;
        -moz-flex: none;
        -ms-flex: none;
        -webkit-flex: none;
        flex: none;
        -moz-flex-shrink: 1;
        -ms-flex-shrink: 1;
        -webkit-flex-shrink: 1;
        flex-shrink: 1
    }

    .head .header.m-click-this .nav li.this:before {
        -webkit-transform: translate(0, 0);
        -ms-transform: translate(0, 0);
        transform: translate(0, 0)
    }

    .head .header.m-click-this .nav li.this a {
        color: #fff
    }
}

@media screen and (max-height:540px) {
    .head .header.m-click-this .nav li {
        height: 40px;
        line-height: 40px
    }
}