#app {
    width: 100%;
    min-width: 1200px;
    position: relative;
}
.pcshow {
    display: block;
}
.mshow {
    display: none;
}
.headnav {
    width: 100%;
    height: 130px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99;
}
.toplogo {
    width: 100%;
    background: #fff;
    padding: 10px 0;
}
.toplogo a {
    display: flex;
    align-items: center;
    justify-content: center;
}
.toplogo img {
    height: 50px;
}
.menutab {
    background: #555;
    width: 100%;
    height: 50px;
}
.bar {
    min-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bar a {
    color: #fff;
    font-size: 13px;
    line-height: 50px;
    margin: 0 10px;
}
.bar a.active {
    color: #1399cc;
}

@media screen and (max-width:960px) {
    /* 折叠菜单导航 */
    .mshow {
        display: block;
    }
    .pcshow {
        display: none;
    }
    .cosmenu {
        width: 0;
        height: 1000px;
    }
    .wrap1 {
        padding: 0;
    }
    .menubtn {
        position: fixed;
        top: 15px;
        left: 15px;
        width: 35px;
        height: 22px;
        cursor: pointer;
        z-index: 3;
    }
    .menubtn span {
        display: block;
        width: 35px;
        height: 2px;
        background: #fff;
        margin-bottom: 7px;
        transition: all 0.5s;
    }
    .menubtn .spa1 {
        transform: rotate(45deg);
        transition: all 0.5s;
        position: absolute;
        top: 10px;
    }
    .menubtn .spa2 {
        display: none;
        transition: all 0.5s;
    }
    .menubtn .spa3 {
        transform: rotate(-45deg);
        transition: all 0.5s;
        position: absolute;
        top: 11px;
    }
    .menu {
        background: #fff;
        width: 300px;
        height: 100%;
        position: relative;
        top: 50px;
        left: -310px;
        transition: all 0.5s;
    }
    .toggle {
        position: fixed;
        top: 13px;
        left: 19px;
        width: 28px;
        height: 30px;
        display: none;
        z-index: 9;
        cursor: pointer;
    }
    .menulogo img {
        width: 140px;
        padding: 20px 0;
        margin: 0 0 0 50px;
    }
    .ma {
        background: #f9f9f9;
        padding: 10px 18%;
    }
    .ma a:nth-child(1) {
        padding: 20px 0;
    }
    .ma a {
        display: block;
        font-size: 14px;
        color: #333;
        line-height: 1.5;
        padding: 0 0 8px 0;
    }
    .ma a.active {
        color: #1399cc;
    }
    .ma a:hover {
        color: #1399cc;
    }
}
@media screen and (max-width:768px) {
    #app {
        min-width: 320px;
    }
    .headnav{
    	min-width: 0;
    	height: 50px;
    	background: #333;
    }
    .navlogo a{
    	position: absolute;
    	right: 10px;
    	top: 3px;
    	height: 45px;
    	display: block;
    }
    .navlogo img{
    	height: 100%;
    	width: auto;
    }
    .cosmenu {
        width: 0;
        height: 1000px;
    }
    .ma a:nth-child(1) {
        padding: 8px 0;
    }
}