* {
    margin: 0;
    padding: 0;
}

body,html {
    width:100%;
    height: 100%;
    background: url(../images/all.png) no-repeat center center;
    background-size: cover;
}

.header {
    height: 250px;
    width: 100%;
    overflow-x: hidden;
    clear: both;
}

.header .main-left {
    float: left;
    overflow-x: hidden;
    clear: both;
}

.header .main-left .logo {
    margin-left: 80px;
    margin-top: 45px;
    width: 146px;
    height: 146px;
    box-sizing: border-box;
    border: 20px solid rgb(126, 199, 96);
    display: flex;
    justify-content: space-around;
    align-items: center;
    float: left;
}

.header .main-left .logo span {
    color: rgb(212, 205, 205);
    font-size: 98px;
    text-align: center;
    margin-top: -46px;
}

.title {
    font-size: 96px;
    padding-top: 51px;
    display: inline-block;
    margin-left: 30px;
    color: rgb(212, 205, 205);
}

.header .main-right {
    float: left;
    margin-left: 350px;
    overflow-x: hidden;
    height: 250px;
}

.header .main-right li {
    float: left;
    list-style: none;
    line-height: 250px;
    margin-right: 100px;
    font-size: 40px;
    color: rgb(212, 205, 205);
}

.header .main-right li.on {
    color: rgb(68, 89, 50);
}

.container {
    width: 100%;
    height: 100%;
    margin: 0 auto;
    background-color: rgba(119, 103, 103, 0.735);
    overflow-x: hidden;
    clear: both;
    box-sizing: border-box;
    padding-left: 60px;
}

.left {
    float: left;
    width: 100%;
    margin-left: 20px;
}

.left .t1 {
    color: white;
    margin-top: 90px;
    width: 990px;
    height: 75px;
    font-size: 73px;
    line-height: 75px;
    text-align: center;
    background-color: rgb(2, 159, 141);
    position: relative;
    margin-bottom: 25px;
    display: flex;
}
.t1 a{
    display: inline-block;
    width: 200px;
    text-decoration: none;
    text-align: center;
    color: #fff;
}
.left .t1::after {
    position: absolute;
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-top: 20px solid rgb(2, 159, 141);
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-bottom: 20px solid transparent;
    left: 50%;
    margin-left: -52px;
}
#cont{
    display: flex;
}
.desc {
    font-size: 36px;
    margin-bottom: 30px;
    color: rgb(219, 219, 219);
}

.tit {
    width: 60%;
    margin-top: 70px;
    display: flex;
    flex-wrap: wrap;
}

.tit li {
    list-style: none;
    font-size: 36px;
    margin-bottom: 40px;
    color: rgb(219, 219, 219);
}

.tit li:nth-child(odd) {
    width: 300px;
}

.tit li:nth-child(even) {
    width: 400px;
}

.right {
    float: left;
    height: 100%;
    padding-top: 55px;
}

.right img {
    width: 485px;
    height: 485px;
}