* {
    margin: 0;
    padding: 0;
}

body {
    color: #444242;
    /*font-family: 'syht', sans-serif;*/
    /*font-family: 'Open Sans', sans-serif;*/
    padding: 0px !important;
    margin: 0px !important;
    font-size: 14px;

}

@font-face {
    font-family: 'syht';
    src: url('../fonts/SourceHanSansCN-Regular.otf');
}
a,
a:hover,
a:focus {
    text-decoration: none;
    outline: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    /*font-family: 'Lato', sans-serif;*/
    /*font-family: 'Open Sans', sans-serif;*/
}


.pdtop30{
    padding-top: 30px;
}
.mgrb30{
    margin-bottom: 30px;
}
.container-fluid {
    /*border: 1px solid red;*/
}

.row {
    margin: 0;
}

.mgr0 {
    margin: 0;
    padding: 0;
}

.bd {
    /*border: 1px solid red*/
}
.hide1{
    transform: translateY(-100%);
}
.navbox{
    display: none;
}
.mnav{
    display: block;
    width: 100%;
    min-height: 1.5rem;
    z-index: 100;
    padding-top: 20px;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    transition: all 0.5s ease-in-out;
    /*background: linear-gradient(rgba(0,0,0,1),rgba(0,0,0,0.2));*/
    background: #0052D9;
}
.mbox{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    box-sizing: border-box;
}
.mbrand{
    width: 50%;
}
/*.mbrand img{*/
/*    width: 50%;*/
/*}*/
.mmore{
    width: 50%;
    padding-top: 0px;
    text-align: right;
    box-sizing: border-box;
}
.mmore img{
    width: 48px;
    height: 48px;
}
.mboxs{
    width: 100%;
    display: none;
}
.mchild{
    font-size: 20px;
    padding: 10px 0;
    color: #FFFFFF;
    text-align: center;
    border-bottom: 1px solid #e3e3e3;
}
.mmenulink{
    color: #FFFFFF;
    cursor: pointer;
    font-weight: bold;
}
.mchildmenu{
    width: 100%;
    display: none;
}
.mchildmenu ul li{
    padding: 10px 0;
    font-size: 18px;
    color: #ffffff;
    cursor: pointer;
    border-bottom: 1px solid #e3e3e3;
}
.mchildmenu ul li a{
    color: #ffffff;
}
.mchildmenu ul li a:hover{
    color: #1C73DA;
}
.mchildmenu ul li:last-child{
     border:none;
 }
/* 小屏幕（平板，大于等于 768px） */
@media (max-width: 768px) {

}

/* 中等屏幕（桌面显示器，大于等于 992px） */
@media (min-width:992px) {
    .navbox{
    }
    .topnav{
        display: block;
    }
}

/* 大屏幕（大桌面显示器，大于等于 1200px） */
@media (min-width:  1200px) {
    .mnav{
        display: none;
    }
    .navbox {
        width: 100%;
        min-height: 80px;
        display: block;
        z-index: 9999;
        padding-top: 10px;

        position: fixed;
        top: 0;
        left: 0;
        transition: all 0.5s ease-in-out;
        background: linear-gradient(rgba(255,255,255,1),rgba(255,255,255,0.8));
     /*   background: rgba(255,255,255,0.6);*/
        color: black;
    }
    .topnav{
        width: 90%;
        height: 35px;
        margin: 0 auto;
    }
    .toplist{
        display: flex;
        justify-content: flex-end;
        align-items: center;
        list-style:none;
    }
    .toplist>li{
        padding: 5px 15px;
        margin-right: 15px;
        color: #e3e3e3;
        font-size: 0.1rem;
        cursor: pointer;
        position: relative;

    }
    .searchbox{
        width: 180px;
        height: 30px;
        color:#e3e3e3;
        border: 1px solid #e3e3e3;
        outline: none;
        border-radius: 20px;
        background: transparent;
        padding: 0 15px;
        font-size: 0.08rem;
    }
    .searchbtn{
        width: 15px;
        height: 15px;
        position: absolute;
        top: 12px;
        right:35px;
    }
    /* Chrome、Safari等WebKit内核浏览器 */
    .searchbox:-webkit-input-placeholder {
        color: #e3e3e3; /* 设置为红色 */
    }

    /* Firefox浏览器 */
    .searchbox::-moz-placeholder {
        color: #e3e3e3; /* 设置为蓝色 */
    }

    /* IE10及其之后版本 */
    .searchbox:-ms-input-placeholder {
        color: #e3e3e3; /* 设置为绿色 */
    }

    /* 标准语法 */
    .searchbox::placeholder {
        color: #e3e3e3; /* 设置为紫色 */
    }

    .menunav{
        width: 95%;
        height: 80px;
        margin: 0 auto;
        display: flex;
        justify-content: center;
    }
    .brand{
        /*border: 1px solid red;*/
        margin-right: 10%;
        margin-top: -10px;
        cursor: pointer;
        line-height: 120px;
    }
    .brand img{
       width: 90%;
    }
    .menulist{
        /*border: 1px solid red;*/
    }
    .menulist>ul{
        height: 100%;
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .menulist>ul>li{
        cursor: pointer;
        position: relative;
        /*border: 1px solid red;*/
        padding: 30px 35px;
    }

    .menulist>ul>li>a{
        color: black;

        font-size: 19px;
        /*font-weight: 600;*/
        position: relative;

    }
    /*   .menulist>ul>li>a:after{
         display: block;
         content: "";
         width: 0%;
         height: 2px;
         background: #FFFFFF;
         position: absolute;
         bottom: -5%;
         left: 50%;
         transform: translate(-50%,0%);
         -webkit-transition: all 0.3s;
         transition: all 0.3s;


     }
     .menulist>ul>li>a:before{
         display: block;
         content: "";
         width: 2px;
         height: 0%;
         background: #FFFFFF;
         position: absolute;
         top: 100%;
         left: 50%;
         transform: translate(-50%,0%);
         -webkit-transition: all 0.3s;
         transition: all 0.3s;


     }
   .childbox .menulink:hover:after{
         width: 50%;
     }
     .childbox .menulink:hover:before{
         height: 50%;
     }*/
    .menulist>ul>li:hover .childmenu{
        display: block;
    }

    .childmenu{
        width: 130%;
        box-sizing: border-box;
        display: none;
        background: #FFFFFF;
        position: absolute;
        top:80px;
        left: 50%;
        z-index:999;
        transform: translate(-50%,0%);
        border-top:4px solid  #1C73DA;
        border-radius: 0 0 5px 5px;
        -webkit-transition: all 0.4s;
        transition: all 0.4s;
    }
    .childmenu:before{
        display: block;
        content: "";
        width: 35%;
        height: 2px;
        background: #1C73DA;
        position: absolute;
        top:-23px;
        left: 50%;
        transform: translate(-50%,-10%);
    }
    .childmenu:after{
        display: block;
        content: "";
        width: 2px;
        height: 20px;
        background: #1C73DA;
        position: absolute;
        top:-20px;
        left: 50%;
        transform: translate(-50%,-10%);
    }
    /*.childbox:hover .childmenu{
        display: block;
     }*/
    .childmenu>ul{
        list-style: none;
    }
    .childmenu>ul>li{
      padding:  10px ;
        /*font-size: 0.08rem;*/
        text-align: center;
        border-bottom: 1px solid #cccccc;
    }
    .childmenu>ul>li>a{
        color: #0b0b0b;
        font-size: 16px;
    }
    .childmenu>ul>li:hover{
        background: rgba(28, 115, 218, 0.1);
    }

    .opt{
       height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .optitem{

        margin: 0 0.05rem;
        position: relative;
    }
    .optitem img{
        cursor: pointer;
    }
    .optbox{
        width: 180px;
        height: 200px;
        background: #FFFFFF;
        border: 1px solid red;
        position: absolute;
        top:120%;
        left:50%;
        transform: translate(-50%,0%);
        z-index: 999;
        display: none;
    }

}