/* 手机版*/

body {
    position: relative;
    overflow-x: hidden;
    background: #333;
}

.m-top {
    position: absolute;
    z-index: 99;
    left: 0;
    top: 0;
    width: 100%;
    height: 60px;
    background: #fff;
}

.m-logo {
    display: block;
    position: absolute;
    left: 10px;
    top: 15px;
}

.m-logo img {
    height: 30px;
}

.m-top .btn {
    position: absolute;
    z-index: 100;
    top: 19px;
    right: 10px;
    text-align: center;
}

.m-top .btn span {
    display: block;
    width: 30px;
    height: 4px;
    background: #1c67cc;
    -webkit-transition: 0.3s;
    transition: 0.3s;
}

.m-top .btn span:nth-child(2) {
    margin: 5px 0;
}

.cross span:nth-of-type(1) {
    transform: translateY(9px) rotate(-45deg);
}

.cross span:nth-of-type(2) {
    opacity: 0;
}

.cross span:nth-of-type(3) {
    transform: translateY(-9px) rotate(45deg);
}

.m-nav {
    position: absolute;
    z-index: 99;
    right: -150px;
    top: 0;
    width: 0;
    height: 100%;
    overflow: hidden;
    padding-top: 86px;
    background: #333;
}

.m-nav li a {
    display: block;
    font: 400 16px/36px "微软雅黑";
    color: #fff;
    text-align: center;
}

.m-menu {
    margin: 0 auto;
}

.m-menu li {
    float: left;
    width: 33.3%;
    padding: 5px;
}

.m-menu li a {
    display: block;
    font: 400 14px/36px "Microsft yahei";
    color: #1a1a1a;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
}

.wrapper {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    background: #fff;
}

header {
    display: none;
}

@media (min-width: 1200px) {
    header {
        display: block;
        position: absolute;
        z-index: 99;
        left: 0;
        top: 0;
        width: 100%;
    }

    .top {
        background: #19499c;
    }

    .top-box {
        display: flex;
        justify-content: space-between;
        width: 1200px;
        margin: 0 auto;
    }

    .top-left {
        font: 400 12px/36px '微软雅黑';
        color: #fff;
    }

    .top-right {
        display: flex;
        align-items: center;
        position: relative;
        cursor: pointer;
    }

    .top-right i img {
        width: 24px;
    }

    .top-right p {
        display: none;
        position: absolute;
        z-index: 99;
        right: 0;
        top: 36px;
        padding: 5px;
        background: #fff;
        border: 1px solid #333;
    }

    .top-right:hover p {
        display: block;
        opacity: 1;
    }

    .top-right p img {
        width: 90px;
    }

    .head {
        position: relative;
        width: 100%;
        height: 64px;
        background: url(../images/nav_bg.png) no-repeat 0 center;
    }


    .logo1 {
        position: absolute;
        left: 100px;
        top: 6px;
        opacity: 0;
        transition: 0.5s;
        transform: translate3d(0,-30px,0);
        transition-delay: 1s;
    }

    .logo1 img {
        width: 220px;
    }

    .nav {
        position: absolute;
        right: 100px;
    }

    .nav ul {
        display: flex;
    }

    .nav ul li {
        padding: 0 2px;
        opacity: 0;
        transform: translate3d(0,20px,0);
        transition: 0.4s;
    }
    .nav ul li:nth-child(1){
        transition-delay: 1.2s;
    }
    .nav ul li:nth-child(2){
         transition-delay: 1.3s;
    }
    .nav ul li:nth-child(3){
         transition-delay: 1.4s;
    }
    .nav ul li:nth-child(4){
         transition-delay: 1.5s;
    }
    .nav ul li:nth-child(5){
         transition-delay: 1.6s;
    }
    .nav ul li:nth-child(6){
         transition-delay: 1.7s;
    }
    .nav ul li:nth-child(7){
         transition-delay: 1.8s;
    }

    .nav ul a {
        display: block;
        width: 122px;
        font: 400 14px/64px '微软雅黑';
        color: #333;
        text-align: center;
    }

    .nav ul a:hover {
        color: #fff;
        background: url(../images/nav_li_bg.png) no-repeat center 0;
    }

    .nav-btn {
        position: absolute;
        right: 15px;
        top: 20px;
        cursor: pointer;
    }

    .nav-btn span {
        display: block;
        width: 50px;
        height: 4px;
        background: #1c67cc;
        -webkit-transition: 0.3s;
        transition: 0.3s;
    }

    .nav-btn span:nth-child(2) {
        margin: 10px 0;
    }

    .nav-btn.open span:nth-of-type(1) {
        transform: translateY(13px) rotate(-45deg);
    }

    .nav-btn.open span:nth-of-type(2) {
        opacity: 0;
    }

    .nav-btn.open span:nth-of-type(3) {
        transform: translateY(-13px) rotate(45deg);
    }

    .head.active .logo1{
        opacity: 1;
        transform: translate3d(0,0,0);
    }
    .head.active ul li{
        opacity: 1;
        transform: translate3d(0,0,0);
    }

    .fix-slide {
        position: fixed;
        z-index: 55;
        left: 0;
        top: 25%;
        ;
    }
}

@media (min-width: 1480px) {
    .logo1 {
        left: 15%;
    }

    .logo1 img {
        width: auto;
    }

    .head {
        height: 78px;
    }

    .nav {
        right: 15%;
    }

    .nav ul a {
        font: 400 14px/78px '微软雅黑';
    }

    .nav-btn {
        top: 24px;
    }
}