html body {
    margin: 0;
    padding: 0;
    font-size: 12px;
    -ms-overflow-style: none;
    scrollbar-width: none;
    background: black;
}

a {
    text-decoration: none;
    color: #fff;
    padding: 0;
    margin: 0;
}

p {
    padding: 0;
    margin: 0;
}

/* ::-webkit-scrollbar {
    display: none;
} */

.container {
    background-color: #fff;
}

.bg1 {
    width: 100%;
}

.bg1 img {
    width: 100%;
    height: auto;
}

.purchase {
    width: 15% !important;
    position: fixed;
    z-index: 1000;
    top: 70%;
    left: 42.5%;
    cursor: pointer;
}





.w {
    position: relative;
    width: 1200px;
    margin: 0 auto;
}

.header {
    background-color: #232426;
    color: #9a9a9c;
    height: 77px;
}

.header .logo {
    float: left;
    margin-top: 5px;
}

.nav {
    float: right;
    position: relative;
    height: 77px;
    padding: 0;
    margin: 0;
    z-index: 2;
    line-height: 77px;
}

.nav li {
    position: relative;
    float: left;
    color: #232426;
    font-size: 16px;
}

.nav li::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 3px;
    width: 0;
    background-color: #ff6633;
    transition: all 0.3s;
}

.nav li:hover a {
    color: #fff;
}

.nav li:hover::before {
    width: 100%;
    background-color: #ff6633;
}

.nav li>a {
    display: block;
    padding: 0 30px;
    color: #9a9a9c;
}

.nav li.nav-business:hover .box {
    display: block;
}

.nav li.nav-business .box {
    position: absolute;
    left: 50%;
    margin-left: -112px;
    top: 77px;
    width: 224px;
    display: none;
    background-color: #232426;
    font-size: 16px;
}

.nav li.nav-business .box a {
    padding-left: 56px;
    display: block;
    line-height: 43px;
    color: #e5e5e5;
    background-repeat: no-repeat;
    background-image: url("../images/nav-icon.png");
}

.nav li.nav-business .box a:hover {
    color: #fff;
}

.nav li .nav-box-a-1 {
    background-position: 30px 13px;
}

.nav li .nav-box-a-2 {
    background-position: 30px -32px;
}

.nav li .nav-box-a-3 {
    background-position: 30px -209px;
}

.nav li .nav-box-a-4 {
    background-position: 30px -75px;
}

.nav li .nav-box-a-5 {
    background-position: 30px -120px;
}

.nav li .nav-box-a-6 {
    background-position: 30px -166px;
}


.comBottom {
    padding: 26px 0;
    background-color: #232426;
}

.comBottom .img {
    width: 1190px;
    margin: 0 auto;
    border-bottom: 1px solid #3b3b3d;
    padding-bottom: 26px;
}

.comBottom .link {
    padding: 30px 0;
    position: relative;
    text-align: center;
}

.comBottom .link li {
    width: 200px;
    display: inline-block;
    vertical-align: text-top;
    text-align: left;
}

.comBottom .link li h4 {
    color: #9a9a9c;
    font-size: 16px;
    line-height: 1;
    margin-bottom: 14px;
}

.comBottom .link li a, .comBottom .link li span {
    display: block;
    color: #9a9a9c;
    font-size: 14px;
    margin-bottom: 7px;
}

.comBottom .link li a:hover, .comBottom .link li span:hover {
    color: #ff7f00;
}

.comBottom .wxqrcode {
    position: absolute;
    left: 0;
    top: -10px;
    width: 140px;
}

.comBottom li.link-contact {
    position: relative;
    padding-left: 150px;
    width: 280px;
}

.footer {
    line-height: 2.5;
    text-align: center;
    padding: 20px 0;
    background-color: #232426;
    color: #999;
}

.footer a {
    color: #999;
}

.backtotop {
    position: absolute;
    right: 0;
    top: -46px;
    width: 140px;
    height: 35px;
    background: url("../images/backtotop.png") 0 0 no-repeat;
    cursor: pointer;
}

.crumb {
    padding-top: 26px;
    color: #999;
    font-size: 12px;
    margin-bottom: 25px;
}

.crumb a {
    color: #999;
}

.comHeader1 {
    border-bottom: 1px solid #dcdcdc;
    margin-bottom: 50px;
}

.comHeader1 h2 {
    position: relative;
    float: left;
    line-height: 1;
    font-size: 30px;
    color: #5c5c5c;
    padding-bottom: 28px;
}

.comHeader1 h2::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 7px;
    background-color: #ff6633;
}

.comHeader1 .comHeader1-nav {
    float: right;
}

.comHeader1 .comHeader1-nav .ele {
    float: left;
    font-size: 18px;
    color: #232426;
    padding: 0 20px;
    line-height: 26px;
    margin: 0 20px;
    cursor: pointer;
    border-radius: 15px;
    transition: all 0.3s;
}

.comHeader1 .comHeader1-nav .ele:hover, .comHeader1 .comHeader1-nav .ele.active {
    background-color: #ff6633;
    color: #fff;
}

.pages {
    text-align: center;
    font-size: 12px;
    margin: 80px auto;
}

.pages a {
    display: inline-block;
    padding: 0 11px;
    height: 27px;
    line-height: 27px;
    color: #333;
    border: 1px solid #ddd;
    margin: 0 2px;
    transition: all 0.3s;
}

.pages a:hover, .pages a.cur {
    background-color: #ff6633;
    color: #fff;
}


@media only screen and (max-width: 1152px) {
    .height {
        width: 100%;
    }

    .w {
        width: 947px;
    }

    .comBottom .img {
        width: 950px;
    }
    .purchase {
        width: 30% !important;
        top: 78%;
        left: 35.5%;
    }
}