.first-main{margin-top:75px;min-width:1200px;background:url(../images/page_platform/img-1.jpg) no-repeat top center;height:550px;}
.first-content{position:relative;z-index:5;width:888px;margin:0 auto -50px auto;background-color:#fff;font-size:16px;color:#555;line-height:1.8;box-sizing:border-box;padding:20px 35px;box-shadow:0 0 10px 2px rgba(0,0,0,.1);}

.second-main{background-color:#5773f0;padding:110px 0 70px 0;}
.second-content{width:1200px;margin:0 auto;font-size:0;}
.second-content .txt{display:inline-block;vertical-align:middle;width:444px;margin:0 30px 0 20px;}
.second-content .txt>p{font-size:18px;color:#fff;line-height:1.5;margin-bottom:30px;}
.second-content .txt>p:last-child{margin-bottom:0;}
.second-content .img{vertical-align:middle;}

.third-main{margin-top:65px;}
.third-main .title{text-align:center;font-size:18px;color:#9c9c9c;line-height:1.8;}
.third-main .img-box{text-align:center;margin:65px 0 60px 0;}
.third-content{background-color:#fafafa;padding:20px 0;}
.third-content .list-box:after{content:'';display:block;width:0;height:0;clear:both;}
.third-content .list-box{width:1200px;margin:0 auto;}
.third-content .list-box .list{float:left;width:33.33%;font-size:0;margin:25px 0;}
.third-content .list-box .list .img{display:inline-block;width:68px;vertical-align:middle;text-align:center;margin:0 10px 0 50px;}
.third-content .list-box .list .text{display:inline-block;vertical-align:middle;font-size:18px;color:#000;height:55px;line-height:55px;}

.form-main{margin-top:35px;margin-bottom:45px;}
.form-main .form-title{text-align:center;}
.form-main .form-title .main{font-size:28px;color:#2b2b2b;margin-bottom:22px;}
.form-main .form-title .small{font-size:18px;color:#9c9c9c;margin-bottom:22px;}
.form-main .form-title .tips{font-size:22px;color:#e05449;margin-bottom:22px;}
.form-main .form-content{width:720px;margin:0 auto;border-top:solid 1px #d1d1d1;}
.form-main .form-content .form-group{border-bottom:solid 1px #d1d1d1;}
.form-main .form-content .form-group:after{content:'';display:block;width:0;height:0;clear:both;}
.form-main .form-content .form-group .left{float:left;border-left:solid 1px #f3f3f3;width:220px;box-sizing:border-box;text-align:center;font-size:22px;color:#555;line-height:70px;}
.form-main .form-content .form-group .right{float:right;border-left:solid 1px #d1d1d1;border-right:solid 1px #f3f3f3;width:500px;box-sizing:border-box;height:70px;}
.form-main .form-content .form-group .form-ipt{width:96%;height:100%;margin:0 2%;font-size:18px;color:#555;}
.form-main .form-content .form-btn{width:100%;height:72px;color:#fff;font-size:24px;cursor:pointer;background-color:#5773f0;margin-top:18px;}
.form-main .form-remark{text-align:center;font-size:22px;color:#e05449;margin-top:50px;}