.c1_bt{
    padding-top: 78px;
}
.c1_title{
    font-size: 24px;
	letter-spacing: 0px;
    color: #333333;
    text-align: center;
}
.c1_xian{
    width: 100%;
	height: 1px;
    background-color: #f0f0f0;
    margin-top: 38px;
}
.c1_xian p{
    width: 80px;
	height: 2px;
    background-color: #0c71c9;
    margin: 0 auto;
}
.c1_content{
    width: 1200px;
    margin: 189px auto 0;
    padding-bottom: 99px;
}
.c1_onetu{
    width: 100%;
}
.c1_onetu img{
    width: 100%;
}
.c1_text{
    font-size: 14px;
	line-height: 30px;
	letter-spacing: 1px;
	color: #666666;
}
.c1_twotu{
    display: flex;
    justify-content: space-between;
}

.c1_twotu img{
    width: 48.33%;
}
@media (max-width:1199px) {
    .c1_content{
        width: 100%;
    }
}

@media (max-width:990px) {
    .c1_content{
        width: 80%;
        margin-top: 120px;
    }
}

@media (max-width:767px) {
    .c1_content{
        width: 90%;
        margin-top: 120px;
    }
    .c1_bt{
        padding-top: 20px;
    }
    .c1_xian{
        margin-top: 15px;
    }
    .c1_twotu{
        display: flex;
        flex-direction: column;
    }
    .c1_twotu img{
        width: 100%;
        margin-top: 5px;
    }
}

.c2_top{
    width: 1200px;
    margin: 0 auto;
}

.c2_title{
    font-size: 34px;
	line-height: 30px;
	letter-spacing: 2px;
    color: #333333;
    text-align: center;
    padding-bottom: 49px;
}
.c2_text{
    font-size: 14px;
	line-height: 30px;
	letter-spacing: 1px;
	color: #666666;
}
.c2_box{
    width: 95.33%;
    margin: 73px auto 0;
    display: flex;
    border-right: 1px solid #b5b5b5
}
.c2_item{
    width: 25.08%;
    border-left: 1px solid #b5b5b5;
}
.c2_year{
    font-size: 28px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 28px;
	letter-spacing: 2px;
    color: #bc8033;
    text-align: center;
    padding-top: 17px;
    padding-bottom: 37px;
}
.c2_wz{
	font-size: 20px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 20px;
	letter-spacing: 1px;
    color: #333333;
    text-align: center;
    padding-bottom: 25px;
}
.c2_video{
    width: 100%;
    /* height: 674px; */
    margin-top: 60px;
    margin-bottom: 70px;
}
.c2_video video{
    width: 100%;
}

.c2_bottom{
    background-color: #f0f0f0;
    padding-bottom: 108px;
}
.c2_center{
    width: 1200px;
    margin: 0 auto;
}
.c2_rich{
    width: 64.58%;
    font-size: 14px;
	line-height: 30px;
    color: #666666;
    text-align: center;
    margin: 0 auto;
}
.c2_list{
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-top: 50px;

}
.c2_trait{
    width: 32.25%;
    height: 426px;
    background: #fff;
}
.c2_one{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-content: center;
    background-color: #0c71c9;
}
.c2_one .c2_tu{
    /* width: 100%; */
    margin: 28px auto 18px;
}
.c2_one p{
    font-size: 12px;
    color: #ffffff;
    padding-bottom: 29px;
    text-align: center;
}
.c3_name{
    font-size: 20px;
    color: #333333;
    padding-top: 49px;
    padding-bottom: 60px;
    text-align: center;
}
.c2_two p{
    width: 79.84%;
    margin: 0 auto;
    text-align: center;
    font-size: 14px;
	line-height: 30px;
	color: #666666;
}
@media (max-width:1199px) {
    .c2_top{
        width: 90%;
    }
    .c2_center{
        width: 90%;
    }
}
@media (max-width:990px) {
    .c3_name{
        padding-top: 20px;
        padding-bottom: 20px;
    }
}
@media (max-width:767px) {
    .c2_box{
       margin-top: 30px;
       display: flex;
    }
    .c2_year{
        font-size: 16px;
        line-height: 28px;
        font-weight: bold;
        padding-top: 5px;
    padding-bottom: 10px;
    }
    .c2_wz{
        font-size: 15px;
        line-height: 20px;
        padding-bottom: 10px
    }
    .c2_video {
        width: 100%;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    .c2_rich {
        width: 100%;
    }
    .c2_trait {
        
        width: 100%;
        height: 315px;
        background: #fff;
    }
    .c2_list {
        width: 100%;
        display: flex;
        flex-direction: column;
        /* justify-content: space-between; */
        margin-top: 50px;
    }
}

@media (max-width:1199px) {
    .c2_title {
    font-size: 25px;
    line-height: 25px;
    letter-spacing: 2px;
    color: #333333;
    text-align: center;
    padding-bottom: 30px;
}}