* {
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
}

html {
    /*background-color: #164b97;*/
}

body {
    overflow-x: hidden;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

    ul li {
        list-style: none;
    }

a, a:focus, a:hover, a:visited {
    text-decoration: none !important;
}

/* 首页，二级，三级通用头部，尾部样式 */
.header {
    height: 120px;
    width: 100vw;
    background-color: #fff;
    border-top: 5px solid #0071b6;
    display: flex;
    align-items: center;
}

.head-left {
    text-align: left;
}

.head-left, .head-center, .head-right {
    height: 85px;
}

    .head-left img.logo_pc {
        width: 385px;
     /*   height: 85px;   */
    }

    .head-center img {
        width: 300px;
        height: 85px;
        position: absolute;
        bottom: 8px;
        left: 0px;
    }

    .head-right .search {
        position: relative;
        width: 260px;
    }

        .head-right .search input {
            font-size: 14px;
            font-family: "Microsoft soft";
            width: 180px;
            margin: 15px 0 0 0;
            padding: 3px 15px;
            border: 1.5px solid #0874c8;
            border-radius: 13px;
            outline-style: none;
        }

            .head-right .search input::placeholder {
                color: #666666;
            }

        .head-right .search span {
            width: 28px;
            height: 28px;
            background: url(../images/search.png)no-repeat center;
            display: inline-block;
            position: absolute;
            bottom: 0px;
            right: 15%;
        }

.burger div {
    width: 25px;
    height: 3px;
    background: #dadbdd;
    margin: 4px;
    transition: all 500ms ease-in;
}

.burger {
    display: none;
    position: fixed;
    top: 6%;
    right: 6%;
    z-index: 9999;
}

.fixed-nav {
    width: 100vw;
    background-color: #164b97;
}

.navFix {
    box-shadow: rgb(51 51 51 / 20%) 0 2px 3px;
    position: fixed;
    top: 0;
    z-index: 222;
}

ul.nav {
}

ul.nav {
    margin-bottom: 0;
}

    ul.nav > li.navli {
        float: left;
        color: #fff;
        /*width: 130px;*/
        min-width: 110px;
        font-size: 16px;
        text-align: center;
        line-height: 40px;
    }

    ul.nav li a {
        color: inherit;
    }

    ul.nav > li.navli:hover {
        color: #164b97;
        background-color: #fefefe;
    }

    ul.nav > li.navli:visited {
        color: #164b97;
    }

    ul.nav > li.navli > a:hover {
        color: #164b97;
        background-color: #fefefe;
        text-decoration: none;
    }

    ul.nav > li > ul {
        background: #9e9e9e;
        position: absolute;
        top: 0px;
        left: 0px;
        width: 200px;
        z-index: 222;
        padding: 5px 0;
        display: none;
        box-shadow: 0 8px 12px rgb(0 0 0 / 10%);
    }

    ul.nav > li.navli:hover ul {
        transform: translateY(60px);
        display: block;
    }

    ul.nav > li > ul > li {
        float: none;
        display: block;
        padding: 0;
        margin: 0;
    }

        ul.nav > li > ul > li:hover {
            background-color: #164b97;
        }

        ul.nav > li > ul > li > a {
            color: #fff;
            font-size: 16px;
            line-height: 40px;
            /*padding-left: 25px;*/
        }

            ul.nav > li > ul > li > a:hover {
                color: #fff;
                background-color: unset !important;
            }


/* 平板以下 */
.hide_logo {
    padding: 20px;
}

    .hide_logo img {
        width: 70%;
    }

.hide_nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #000000d8;
    display: none;
    z-index: 999;
    overflow: scroll;
}

#nav li {
    font-size: 18px;
    position: relative;
    color: #fff;
    display: block;
    text-align: left;
    margin: 0;
    padding: 0;
    line-height: 3em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

    #nav li a {
        width: 40%;
        padding: 0px 10px;
        color: #fff;
        display: block;
        font-size: 14px;
    }

        #nav li a:hover {
            text-decoration: none;
        }

    #nav li ul {
        width: 100%;
        z-index: 222;
        padding: 5px 0;
        box-shadow: 0 8px 12px rgb(0 0 0 /10%);
        display: none;
    }

    #nav li:hover ul {
        display: block;
    }

    #nav li ul li {
        border: none;
        display: block;
        padding: 0;
        margin: 0;
    }

        #nav li ul li:hover {
            background: #000000be;
        }

        #nav li ul li a {
            width: 90%;
            color: #fff;
            font-size: 14px;
            padding-left: 10%;
            padding: 0 0 0 25px;
            line-height: 44px;
        }

            #nav li ul li a:hover {
                text-decoration: none;
            }

#nav i {
    content: "";
    display: block;
    position: absolute;
    top: 26px;
    right: 30px;
    width: 16px;
    height: 9px;
    color: #fff;
    background: url(../images/bottom.png);
    transition: all .5s ease;
}


/* 页脚 */
.foot {
    color: #fff;
    width: 100vw;
    min-height: 50px;
    padding: 20px 0 10px 0;
    background-color: #164b97;
}

/* 首页，二级，三级通用 自适应样式 */
@media screen and (max-width:930px) {
    .head-center {
        display: none;
    }
}
/* 中等屏幕 */
@media screen and (max-width:993px) {
    .header {
        height: 130px;
    }

    .burger {
        display: block;
    }

    .head-right {
        display: none;
    }

    ._slide {
        height: 40vh !important;
    }

    .fixed-nav {
        display: none;
    }
}

/* 平板 */
@media screen and (max-width:769px) {
    .burger {
        top: 4%;
    }

    .header {
        height: 110px;
    }

    .head-left img.logo_mobile {
        margin-top: 15px;
        width: 70%;
    }

    .head-center {
        display: none;
    }
}

/* 手机 */
@media screen and (max-width:450px) {
    .burger {
        top: 3%;
    }

    .header {
        height: 100px;
    }

    ._slide {
        height: 20vh !important;
    }

    #prev,
    #next {
        opacity: 0;
    }

    .head-center img {
        display: none;
    }

    .burger {
        display: block;
        right: 35px;
    }
}