@font-face {
    font-family: hytiexian;
    src: url('../font/HYTieXianHei-45J.ttf');
}
@font-face {
    font-family: dinpro;
    src: url('../font/DINPro-Medium.otf');
}


.main{
    width: 100%;
    float: left;
}
.about{
    width: 1200px;
    margin: 150px auto 0;
}
.first_left{
    float: left;
    width: 781px;
    height: 520px;
}
.first_right{
    width: 360px;
    float: right;
    font-family: hytiexian;
}
.first_right .title{
    font-weight: bold;
    font-size: 20px;
    margin-top:80px;
    letter-spacing: 1px;
}
.first_right .content{
    font-size: 16px;
    margin-top: 40px;
    letter-spacing: 1px;
    line-height: 28px;
}

.two{
    clear: both;
    width: 100%;
    margin-top: 100px;
}
.two .two_left{
    float: left;
    width: 340px;
    font-family: hytiexian;
    line-height: 28px;
    letter-spacing: 1px;
	font-size:16px
}
.two .two_right{
    float: right;
}

.three{
    clear: both;
    width: 100%;
	padding-top:100px
}
.three_left{
    float: left;
}
.three_leftDetail{
    margin-top: -150px;
}
.three_leftDetail p{
    line-height: 34px;
	font-size:16px
}
.three_right{
    width: 600px;
    float: right;
}
.three_right dl{
    clear: both;
    width: 100%;
    margin-top: 15px;
    overflow: hidden;
}
.three_right dl dt{
    float: left;
    width: 90px;
    font-size: 22px;
    color: #2faba0;
    font-family: dinpro;
}
.three_right dl dd{
    float: left;
}
.three_right dl dd p{
    line-height: 46px;
	font-size:18px
}

.four{
    clear: both;
    width: 100%;
	padding-top:100px
}
.four ul li {
    overflow: hidden;
    position: relative;
    float: left;
    margin-right: 38px;
    width: 271px;
    margin-bottom: 40px;

}
.four ul li:nth-child(4n+0) {
    float: left;
    margin-right: 0;
    width: 271px;
    height: 409px;
}
.four ul li .detail{
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 271px;
    height: 50%;
    background: #000;
    opacity: 0;
    color: #ffffff;
    text-align: center;
    padding-top: 25px;
    font-size: 16px;
    font-family: hytiexian;
    transition: 0.4s;
}
.four ul li .detail span{
    display: block;
    color: #2faba0;
    font-size: 24px;
    font-family: hytiexian;
    margin-top: 5px;
    font-weight: 600;
}
.four ul li:hover .detail{
    display: block;
    opacity: 0.8;
}







@media only screen and (max-width: 1200px) {
    .about{
        width: 100%;
        margin: 50px auto 0;
    }
    .first_left{
        float: none;
        width: 100%;
        height: auto;
    }
    .first_left img{
        width: 100%;
    }
    .first_right{
        float: none;
        width: 90%;
        margin: 10px auto 0;
        font-family: hytiexian;
    }
    .first_right .title{
        font-weight: bold;
        font-size: 20px;
        margin-top: 40px;
        letter-spacing: 1px;
    }
    .first_right .content{
        font-size: 16px;
        margin-top: 20px;
        letter-spacing: 1px;
        line-height: 28px;
    }


    .two{
        clear: both;
        width: 100%;
        margin-top: 50px;
    }
    .two .two_left{
        float: none;
        width: 90%;
        margin: 30px auto 0;
        font-family: hytiexian;
        line-height: 28px;
        letter-spacing: 1px;
    }
    .two .two_right{
        float: none;
    }
    .two .two_right img{
        width: 100%;
    }

}