html,body{
    color:#333;
    height: 100%;
    position:relative;
    background-color:#FFF;
    overflow-x: hidden;
}
html{
    font-size: 62.5%;
}
body{
    min-width:320px;
    font-size: 1.6rem;
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 100vh;
}
.index_one{
    width: 100%;
    height: 46.25vw;
    min-height: 320px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    /*padding-top: 11rem;*/
}
.index_img_main{
    width: 100%;
    height: 100%;
    background: url('../images/index_1.jpg') center center;
    background-size: 100% 100%;
    position: relative;
}
.index_cont_img{
    width: 100%;
    height: 100%;
    background: url('../images/index_2.jpg') center center;
    background-size: 100% 100%;
}
.index_img_main img{
    width: 100%;
    display: block;
}
.index_img_main_box{
    width:72%;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    text-align:center;
}
.index_img_main_box .index_img_mbx_text1{
    font-weight: bold;
    color: #024F8E;
    font-size: 60px;
}
.index_img_main_box .index_img_mbx_text2{
    font-size: 48px;
    font-weight: bold;
    color: #333333;
    margin-top:20px;
}
.index_img_main_box .index_img_mbx_text3{
    font-size: 24px;
    color: #000;
    margin:20px 0 40px 0;
}
.index_img_main_box .index_img_mbx_text4{
    display:inline-block;
    font-size: 18px;
    color: #FFFFFF;
    padding: 18px 70px;
    background: #036BC1;
    border-radius: 10px;
}

.index_two{
    width: 100%;
    background: #F7F7F7;
    padding:130px 0;
    text-align: center;
}
.index_two_cont{
    width: 1200px;
    margin: 0 auto;
}
.index_two_cont_title{
    font-size: 36px;
    color: #515151;
    margin-bottom:110px;
}
.index_two_cont_main{
    width:100%;
}
.index_two_cont_main li{
    width:21%;
    padding:10px 0;
    margin:0 2%;
    float: left;
}
.index_two_cont_main li img{
    width:30%;
    text-align:center;
}
.index_two_cont_main_title{
    font-size: 24px;
    color: #515151;
    padding-top: 37px;
}
.index_two_cont_main_text{
    font-size: 16px;
    color: #515151;
    padding-top: 9px;
}

.index_three{
    width: 100%;
    background: #FFFFFF;
    padding:130px 0;
}
.index_three_cont{
    width: 1200px;
    margin: 0 auto;
}
.index_three_top_title{
    font-size: 36px;
    color: #515151;
    text-align: center;
}
.index_three_top_text{
    font-size: 18px;
    color: #515151;
    text-align: center;
    padding-top: 19px;
}
.index_three_bottom{
    width:100%;
}
.mindex_three_bottom{
    display: none;
}
.index_three_bottom ul{
    width:100%;
    height: 400px;
    padding-top: 60px;
    overflow: hidden;
}
.index_three_bottom li{
    width:18.6%;
    margin:0 0.7%;
    height: 330px;
    background: #FFFFFF;
    box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.16);
    border-radius: 8px;
    float: left;
    margin-bottom:10px;
}
.index_three_bottom_img{
    width:45%;
    margin:0 auto;
    text-align:center;
    padding:15px 0 7px 0;
}
.index_three_bottom li img{
    width:100%;
}
.index_three_bottom_title{
    font-size: 20px;
    color: #515151;
    text-align: center;
}
.index_three_bottom_text1{
    width: 90%;
    margin: 0 auto;
    font-size: 16px;
    color: #515151;
    padding-top: 16px;
    text-align: center;
}
.index_three_bottom_text2{
    width:60%;
    margin: 0 auto;
    background: #036BC1;
    border-radius: 5px;
    margin-top: 30px;
    font-size: 14px;
    color: #FFFFFF;
    text-align: center;
    padding: 10px 3px;
}
.index_three_dir{
    width:110px;
    margin:0 auto;
    padding-top: 36px;
    display:flex;
    justify-content: space-between;
}
.index_three_dir img{
    width: 37px;
    cursor: pointer;
}


.index_four{
    width: 100%;
    background: #F7F7F7;
    padding-top:130px;
}
.index_four_cont{
    width: 1200px;
    margin: 0 auto;
}
.index_four_top_title{
    font-size: 36px;
    color: #515151;
    text-align: center;
}
.index_four_top_text1{
    font-size: 18px;
    color: #515151;
    text-align: center;
    padding-top: 19px;
    line-height: 30px;
}
.index_four_top_text2{
    font-size: 18px;
    color: #515151;
    line-height: 30px;
    text-align:center;
}
.index_four_bottom{
    padding-top: 40px;
    width: 900px;
    margin:0 auto;
    position: relative;
    font-size: 18px;
    color: #515151;
    line-height: 30px;
    text-align: center;
}
.index_four_bottom_img{
    display: block;
}
.mindex_four_bottom_img{
    display: none;
}
.index_four_bottom img{
    width:670px;
    margin:0 auto;
}
.index_four_bottom_left{
    position: absolute;
    top:100px;
    left:30px;
}
.index_four_bottom_right{
    position: absolute;
    top:160px;
    right:60px;
}
.index_five{
    width: 100%;
    padding-top:130px;
}
.index_five_cont{
    width: 1200px;
    margin: 0 auto;
}
.index_five_cont_title{
    font-size: 36px;
    color: #515151;
    text-align: center;
}
.index_five_cont_text1{
    font-size: 18px;
    color: #515151;
    text-align: center;
    padding-top: 20px;
    line-height: 30px;
}
.index_five_cont_text2{
    font-size: 18px;
    color: #515151;
    line-height: 30px;
    text-align: center;
    margin-bottom:64px;
}
.index_five_cont .index_five_bottom_img{
    width: 1090px;
    display:block;
    margin:0 auto;
}
.index_five_cont .index_five_bottom_img{
    display: block;
}
.index_five_cont .mindex_five_bottom_img{
    display:none;
}

/*1200px以下导航栏和页脚的样式切换*/
@media (max-width: 1200px) {
    .index_img_main_box .index_img_mbx_text1{
        font-size: 6rem;
    }
    .index_img_main_box .index_img_mbx_text2{
        font-size: 4.8rem;
        margin-top:2rem;
    }
    .index_img_main_box .index_img_mbx_text3{
        font-size: 2.4rem;
        margin:2rem 0;
    }
    .index_img_main_box .index_img_mbx_text4{
        font-size: 1.8rem;
        padding: 1.8rem 7rem;
        border-radius: 1rem;
    }
    .index_two{
        padding:10rem 0;
    }
    .index_two_cont{
        width:100%;
    }
    .index_two_cont_title{
        font-size: 3.2rem;
        margin-bottom:8rem;
    }
    .index_three{
        padding:10rem 0;
    }
    .index_three_cont{
        width: 98%;
        margin: 0 auto;
    }
    .index_three_bottom ul{
        height:39rem;
    }
    .index_three_bottom li{
        width:21%;
        margin:0 2%;
        height: 32rem;
        margin-bottom:1rem;
    }
    .index_three_top_title{
        font-size:3.2rem;
    }

    .index_four{
        padding-top:10rem;
    }
    .index_four_cont{
        width: 98%;
        margin: 0 auto;
    }
    .index_four_top_title{
        font-size:3.2rem;
    }
    .index_four_top_text1{
        font-size: 1.8rem;
        padding-top: 1.8rem;
        line-height: 2rem;
    }
    .index_four_top_text2{
        font-size: 1.8rem;
        line-height: 2rem;
        padding-top: 1.5rem;
    }
    .index_four_bottom{
        padding-top: 3rem;
        width: 75rem;
        font-size: 1.8rem;
        line-height: 2rem;
    }
    .index_four_bottom img{
        width:55rem;
    }
    .index_four_bottom_left{
        top:8rem;
        left:2.5rem;
    }
    .index_four_bottom_right{
        top:13rem;
        right:5rem;
    }

    .index_five{
        padding-top:10rem;
    }
    .index_five_cont{
        width: 90%;
        margin: 0 auto;
    }
    .index_five_cont_title{
        font-size:3.2rem;
    }
    .index_five_cont_text1{
        font-size: 1.8rem;
        padding-top: 1.8rem;
        line-height: 2rem;
    }
    .index_five_cont_text2{
        font-size: 1.8rem;
        padding-top: 1.5rem;
        line-height: 2rem;
        margin-bottom:3rem;
    }
    .index_five_cont .index_five_bottom_img{
        width: 90%;
    }
}
@media (min-width: 769px) and (max-width: 1200px) {
    .index_img_main_box{
        width:96%;
    }
    .index_img_main_box .index_img_mbx_text1{
        font-size: 4.8rem;
    }
    .index_img_main_box .index_img_mbx_text2{
        font-size: 3.6rem;
        margin-top:1.5rem;
    }
    .index_img_main_box .index_img_mbx_text3{
        font-size: 2.2rem;
        margin:1.5rem 0;
    }
    .index_img_main_box .index_img_mbx_text4{
        font-size: 2.2rem;
        padding: 1.5rem 1.8rem;
        border-radius: 0.8rem;
    }
    .index_three_cont{
        width: 100%;
    }
}

/* 媒体查询 - 平板设备 */
/*使用rem作单位*/
@media (max-width: 768px) {
    .index_one{
        width: 100%;
        height: 100vw;
        min-height: 45rem;
        overflow: hidden;
        /*padding-top: 6rem;*/
    }
    .index_img_main{
        background: url('../images/mindex_1.jpg') center center;
        background-size: 100% 100%;
    }
    .index_cont_img{
        background: url('../images/mindex_4.jpg') center center;
        background-size: 100% 100%;
    }
    .index_img_main_box .index_img_mbx_text1{
        font-size: 4.2rem;
    }
    .index_img_main_box .index_img_mbx_text2{
        font-size: 2.8rem;
        margin-top:1.5rem;
    }
    .index_img_main_box .index_img_mbx_text3{
        font-size: 1.8rem;
        margin:1.5rem 0;
        border-radius: 2rem;
    }
    .index_img_main_box .index_img_mbx_text4{
        font-size: 1.8rem;
        padding: 1.2rem 2.5rem;
        border-radius: 1.2rem;
    }

    .index_two{
        padding:5rem 0 3.5rem 0;
    }
    .index_two_cont_title{
        font-size: 2.4rem;
        margin-bottom:1.5rem;
        color:#010101;
    }
    .index_two_cont_main{
        width:96%;
        margin:0 auto;
    }
    .index_two_cont_main li{
        width:44%;
        min-height: 22rem;
        padding:2rem 1%;
        margin:1.5rem 3%;
        float: left;
        background:#fff;
        box-shadow: 0rem 0rem 0rem 0rem rgba(0, 0, 0, 0.15);
        border-radius: 0.8rem
    }
    .index_two_cont_main li img{
        width:25%;
        margin-top:1rem;
    }
    .index_two_cont_main_title{
        font-size: 1.8rem;
        padding-top: 1.5rem;
        color:#333333;
    }
    .index_two_cont_main_text{
        font-size: 1.6rem;
        padding-top: 0.9rem;
    }

    .index_three{
        padding:5rem 0;
    }
    .index_three_cont{
        width: 100%;
    }
    .index_three_top_title{
        font-size:2.4rem;
        color:#000;
    }
    .index_three_top_text{
        width:92%;
        margin:0 auto;
        font-size:1.8rem;
        padding-top:1.8rem;
    }
    .index_three_bottom{
        display: none;
    }
    .mindex_three_bottom{
        display:block;
    }
    .mindex_three_bottom ul{
        width:100%;
        margin-top:2rem;
    }
    .mindex_three_bottom li{
        width:92%;
        margin:0 auto;
        padding:3rem 4%;
        box-shadow: 0px 0px 8px 0px rgba(0, 0, 0,0.15);
        border-radius: 1rem;
        margin-bottom: 2rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .mindex_three_bottom .mindex_three_btm_img{
        /*width:7rem;*/
        width:11%;
        margin-right:2rem;
    }
    .mindex_three_bottom .mindex_three_btm_img img{
        width:100%;
    }
    .mindex_three_bottom .mindex_three_btm_mdl_title{
        font-size: 1.8rem;
        color: #202020;
    }
    .mindex_three_bottom .mindex_three_btm_mdl{
        text-align:left;
        width:60%;
    }
    .mindex_three_bottom .mindex_three_btm_mdl_text1{
        font-size: 1.6rem;
        color: #848484;
        padding-top: 0.8rem;
    }
    .mindex_three_bottom .mindex_three_btm_rgt{
        /*width:9.8rem;*/
        width:17%;
        text-align:right;
        font-size: 1.6rem;
        color: #848484;
    }
    .mindex_three_bottom .mindex_three_dir{
        width:16rem;
        margin:0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top:3rem;
    }
    .mindex_three_bottom .mindex_three_dir span{
        display: block;
        width:7rem;
        height: 0.6rem;
        background: #DCDCDC;
        cursor: pointer
    }
    .mindex_three_bottom .mindex_three_dir span.mindex_three_dir_active{
        background:#036BC1;
    }
    .index_four{
        padding-top:5rem;
    }
    .index_four_top_title{
        font-size:2.4rem;
        color:#000;
    }
    .index_four_top_text1{
        padding-top: 1.5rem;
    }
    .index_four_bottom{
        padding-top: 2rem;
        width: 100%;
        font-size: 1.4rem;
        line-height: 1.6rem;
    }
    .index_four_bottom img{
        width:87%;
        margin:0 auto;
    }
    .index_four_bottom_left{
        top:20%;
        left:2%;
    }
    .index_four_bottom_right{
        top:35%;
        right:3%;
    }

    .index_five{
        padding:5rem 0;
    }
    .index_five_cont_title{
        font-size:2.4rem;
        color:#000;
    }
    .index_five_cont_text2{
        padding-top: 1.5rem;
        margin-bottom:2rem;
    }
}

/* 媒体查询 - 移动设备 */
/*使用rem作单位*/
@media (max-width: 480px) {
    .index_img_main_box{
        width:92%;
        margin:0 auto;
    }
    .index_img_main_box .index_img_mbx_text1{
        font-size: 3.8rem;
    }
    .index_img_main_box .index_img_mbx_text2{
        font-size: 2.4rem;
        margin-top:1.2rem;
    }
    .index_img_main_box .index_img_mbx_text3{
        font-size: 1.4rem;
        margin:1.2rem 0;
    }
    .index_img_main_box .index_img_mbx_text4{
        font-size: 1.3rem;
        padding: 1rem 1rem;
        border-radius: 2rem;
    }
    .index_two_cont_main li{
        min-height: 18rem;
    }
    .index_two_cont_main li img{
        width:30%;
    }
    .index_two_cont_main_title{
        font-size: 1.4rem;
        padding-top: 1.5rem;
    }
    .index_two_cont_main_text{
        font-size: 1.2rem;
        padding-top: 0.9rem;
    }

    .index_three_top_text{
        font-size:1.4rem;
        padding-top:1.5rem;
    }
    .mindex_three_bottom li{
        padding:2rem 4%;
    }
    .mindex_three_bottom .mindex_three_btm_img{
        /*width:5rem;*/
        width:16%;
    }
    .mindex_three_bottom .mindex_three_btm_mdl{
        width:51%;
    }
    .mindex_three_bottom .mindex_three_btm_mdl_title{
        font-size: 1.4rem;
    }
    .mindex_three_bottom .mindex_three_btm_mdl_text1{
        font-size: 1.2rem;
        padding-top: 0.8rem;
    }
    .mindex_three_bottom .mindex_three_btm_rgt{
        font-size: 1.2rem;
        width:25%;
    }

    .index_four{
        padding:5rem 0;
    }
    .index_four_cont{
        width:100%;
    }
    .index_four_top{
        width:96%;
        margin:0 auto;
    }
    .index_four_top_text1,.index_four_top_text2{
        font-size: 1.4rem;
    }
    .index_four_bottom_img{
        display: none;
    }
    .mindex_four_bottom_img{
        display: block;
    }
    .index_four_bottom img{
        width:87%;
        margin:0 auto;
    }
    .index_four_bottom_left{
        top:15%;
        left:2%;
    }
    .index_four_bottom_right{
        top:10%;
        right:16%;
    }

    .index_five{
        padding:5rem 0;
    }
    .index_five_cont .index_five_bottom_img{
        display: none;
    }
    .index_five_cont .mindex_five_bottom_img{
        display:block;
    }
    .index_five_cont{
        width: 100%;
    }
    .index_five_cont p{
        width:96%;
        margin:0 auto;
    }
    .index_five_cont_text1,.index_five_cont_text2{
        font-size: 1.4rem;
    }
    .index_four_top_text2,.index_five_cont_text2{
        padding-top: 0.9rem;
    }
    .index_five_cont .mindex_five_bottom_img{
        width: 100%;
    }
}