* {
    margin: 0;
    padding: 0;
}

html {
    overflow-y: scroll;
}

.wrap {
    position: relative;
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.wrap-content {
    display: flex;
    flex-direction: column;
    width: 60%;
    margin-bottom: 50px;
}

.nav-ul {
    width: 100%;
    background: url(../images/index-nav.png) no-repeat center;
    background-size: cover;
    display: flex;
}

.nav-ul li {
    float: left;
    list-style-type: none;
    padding-left: 20px;
    font-size: 18px;
}

.nav-ul li a {
    display: block;
    height: 60px;
    text-align: center;
    line-height: 60px;
    margin-left: 1px;
    color: #fff;
    text-decoration: none
}

.nav-ul li .on,
.nav-ul li a:hover {
    color: #fff;
    height: 60px;
    line-height: 60px;
    font-size: 24px;
}

.container2 {
    width: 100%;
    height: 280px;
    margin: 10px auto;
    overflow: hidden;
    position: relative;
}

.container2 ul {
    display: table-cell;
}

.container2 li {
    display: table-cell;
}

.img-responsive {
    width: 100%;
    margin-bottom: 20px;
}

.img-ul-roll {
    width: 200px;
}

.index-img {
    width: 100%;
    height: 100%;
}

.index-float {
    width: 100%;
    height: 100px;
    background: #fff;
    opacity: 0.5;
    position: absolute;
    bottom: 10%;
}

.index-float-con {
    z-index: 2;
    font-size: 24px;
    display: flex;
    flex-direction: column;
}

.index-float-con i {
    text-align: center;
    font-size: 30px;
}

.index-float-wrap {
    position: absolute;
    top: 25%;
    width: 100%;
    display: flex;
    justify-content: space-around;
}

/*introduce  css*/
.boss-introduce {
    position: relative;
}

.boss-introduce-text {
    background-color: #ea080c;
    position: absolute;
    right: 20%;
    top: 30%;
    padding: 10px;
    color: #fff;
    width: 300px;
    text-align: center;
    display: flex;
    flex-direction: column;
    font-size: 21px;
}

.boss-introduce-span1 {
    display: block;
    padding-bottom: 10px;
}

.boss-introduce-span2 {
    padding-right: 20px;
}

.introduce-span3 {
    display: block;
    font-size: 18px;
    margin: 10px;
    font-weight: bold;
}

.introduce-history {
    margin-top: 10px;
}

.introduce-history-title {
    display: flex;
    align-items: center;
    position: relative;
    margin-bottom: 20px;
}

.introduce-history-red {
    width: 30px;
    height: 15px;
    background-color: #ea080c;
    margin-right: 10px;
    margin-left: 5px;
}

.introduce-history-title span {
    font-weight: bold;
    white-space: nowrap;
    display: block;
    font-size: 10px;
}

.inteoduce-history-content1 {
    display: flex;
    flex-direction: column;
    text-align: center;
    font-size: 18px;
    white-space: nowrap;
}

.history-big {
    color: #ea080c;
}

.inteoduce-history-red1 {
    background-color: #ea080c;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    padding: 2px;
    text-align: center;
    width: 130px;
    margin-bottom: 20px;
}

.inteoduce-history-red2 {
    background-color: #ea080c;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    padding: 2px;
    text-align: center;
    width: 130px;
    margin-top: 20px;
}

.inteoduce-history-content2 {
    display: flex;
    flex-direction: column;
    text-align: center;
    font-size: 18px;
    white-space: nowrap;
}

.inteoduce-history-content3 {
    display: flex;
    flex-direction: column;
    text-align: center;
    font-size: 18px;
    width: 60%;
    float: right;
}

/*cooperation  CSS*/
.co-value {
    display: flex;
    flex-direction: column;
}

.co-value-head {
    color: #fff;
    background-color: #2f3245;
    text-align: center;
    height: 40px;
    line-height: 40px;
    float: left;
    font-size: 24px;
    margin: 10px 0;
    padding: 5px 15px;
    width: 100px;
}

.co-advertisement-head {
    color: #fff;
    background-color: #2f3245;
    text-align: center;
    height: 40px;
    line-height: 40px;
    float: left;
    font-size: 24px;
    margin: 10px 0;
    padding: 5px 15px;
    width: auto;
    position: absolute;
}



.co-first-head {
    color: #fff;
    background-color: #2f3245;
    text-align: center;
    height: 40px;
    line-height: 40px;
    float: left;
    font-size: 24px;
    margin: 10px 0;
    padding: 5px 15px;
    width: auto;
}



.cooperation-head {
    position: relative;
    display: flex;
    justify-content: center;
}

.cooperation-head span {
    display: block;
    position: absolute;
    bottom: 90px;
    color: #fff;
    font-size: 40px;
}

.co-value-content {
    display: flex;
    align-items: center;
    margin: 10px 0;
}

.co-value-content-red {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background-color: #ec070c;
    background-color: #ec070c;
    margin: 0 10px;
}

.co-value-content span {
    display: block;
    font-size: 24px;
}

.co-advertisement {
    position: relative;
}

.co-advertisement-occlusion {
    position: absolute;
    background: url(../images/cooperation03.png) no-repeat center;
    background-size: cover;
    width: 100%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    top: 265px;
    color: #fff;
    font-weight: bold;
}

.co-advertisement-occlusion span {
    padding-bottom: 10px;
    display: block;
}

.co-advertisement-title {
    font-size: 24px;
    text-align: center;
    padding: 10px 0;
}

.co-advertisement-span {
    font-size: 16px;
    text-align: center;
}

.co-first-distitle {
    width: 100%;
    margin: 30px 0;
    display: flex;
    justify-content: space-around;
}

.first-distile-block {
    display: flex;
    text-align: center;
    flex-direction: column;
}

.first-distile-block big {
    color: #ec070c;
    font-size: 24px;
    font-weight: bold;
    padding-bottom: 10px;
}

.first-distile-block span {
    font-size: 18px;
    text-align: center;
    width: 150px;
}

.first-distile-icon {
    display: flex;
}

.first-distile-icon i {
    display: block;
    padding: 5px;
    background-color: #ec070c;
    color: #fff;
    font-weight: bold;
    font-size: 50px;
    border-radius: 5px;
    margin: 5px;
    height: 50px;
}

.co-core {
    margin-bottom: 40px;
}

.co-core-center {
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.co-core-list {
    display: flex;
    flex-direction: column;
    text-align: center;
    width: 33.3%;
}

.co-core-list i {
    font-size: 60px;
    color: #ec070c;
    padding-bottom: 10px;
}

.co-core-list big {
    font-size: 24px;
    color: #ec070c;
    padding-bottom: 10px;
}

.co-core-list span {
    font-size: 16px;
    margin-bottom: 40px;
}

.footer {
    bottom: 0;
    background-color: #ccc;
    font-size: 14px;
    display: flex;
    justify-content: center;
    padding: 20px 10px;
}

.footer-span {
    display: block;
    text-align: center;
}
.footer-shu{
    margin: 0 10px;
}