.container {
    padding: 0;
    width: 1200px;
    margin: 0 auto;
    overflow: hidden
}

.container2 {
    padding: 0;
    width: 1260px;
    margin: 0 auto;
    overflow: hidden;
    position: relative
}

html {
    max-width: 1920px;
    margin: 0 auto;
    font-size: 14px;
}

a:hover {
    transition: all 300ms linear;
}

ul,
li {
    padding: 0px;
    margin: 0px;
    list-style-type: none;
}

img {
    border: 0;
    padding: 0px;
    margin: 0px;
}

input,
textarea,
button {
    border: none;
    outline: none;
    /*去除蓝色边框*/
}

.logo {
    float: left;
    margin-top: 35px;
}

.nav-about {
    min-width: 1200px;
    float: unset;
}

.nav-list li .second {
    display: none;
    width: 100%;
    background-color: #f1f1f1;
    overflow: hidden;
    position: absolute;
    left: 0;
    padding: 30px 0;
    z-index: 99;
    top: 130px;
}

.nav-list li:hover .second {
    display: block
}

.nav-list .second li {
    float: left;
    margin: 10px 0;
    line-height: 50px;
}

.nav-list .second .cont ul {
    width: 43%;
    float: left;
    margin-right: 20px;
}

.nav-list .second .left {
    width: 40%;
    float: left;
}

.nav-list .second .left .title {
    font-size: 22px;
    color: #4e4e4e;
    margin-bottom: 40px;
    font-weight: bold;
    line-height: 30px;
    text-align: left
}

.nav-list .second .left .detail {
    font-size: 14px;
    color: #4e4e4e;
    line-height: 30px;
    width: 80%;
    text-align: left
}

.nav-list .second .cont {
    width: 25%;
    float: left;
    padding: 0 3%;
    border-left: 1px solid #fff;
    border-right: 1px solid #fff;
}

.nav-list .second .cont li {
    float: left;
    width: 100%;
    text-align: center;
    height: 40px;
    line-height: 40px;
    border-bottom: 1px #fff solid;
    margin: 0
}

.nav-list .second .cont li a {
    display: block;
    padding: 0;
    margin: 0;
    width: 100%;
    line-height: 40px;
    color: #666;
    font-size: 16px;
}

.nav-list .second .right {
    float: right;
    width: 25%;
}

.nav-list {
    float: right;
}

.nav-list li {
    float: left;
    line-height: 135px;
    font-size: 16px;
    margin-left: 55px;
}

.nav-list li a {
    color: #333;
    font-size: 16px;
}

.nav-list li:hover a,
.nav-list .on a {
    color: #ff7019;
}

.baner {
    position: relative;
}

.banner .swiper-button-prev {
    left: 50px;
}

.banner .swiper-button-next {
    right: 50px;
}

.banner .container {
    overflow: unset;
    margin-top: -100px;
    position: relative;
    z-index: 99;
}

.foot {
    background: #1d1d25;
}

.foot .nav-foot {
    height: 100px;
    line-height: 100px;
    text-align: center;
    position: relative;
}

.foot .nav-foot::before {
    content: '';
    position: absolute;
    width: 1200px;
    height: 1px;
    background: #77777c;
    top: 50%;
    s left: 0;
}

.foot .nav-foot a {
    color: #fff;
    padding: 0 30px;
    font-size: 16px;
}

.foot .cont-foot {
    text-align: center;
    color: #bbbbbd;
    margin-bottom: 20px;
    font-size: 14px;
}

.foot .cont-foot span {
    margin: 0 20px;
}

.foot .friendlink {
    line-height: 63px;
    border-top: 1px #3f3f50 solid;
    color: #bbbbbd;
    font-size: 16px;
}

.foot .friendlink a {
    font-size: 16px;
    color: #bbbbbd;
    margin-right: 20px;
}

.foot .bbdr {
    background: #1d1d25;
    position: absolute;
    left: 20%;
}