.header{background-color: #fff;}
.help{padding-top: 70px;background-color: #F3F8FB;padding-bottom: 78px;text-align: left;}
.help_banner{height: 95px;width: 100%;max-width:1200px;margin: 0 auto;}
.help_banner h1{color: #222c3f;font-size: 36px;text-align: left;padding-top: 35px;padding-left: 315px;}
.help_cont{width: 100%;max-width: 1200px;margin: 0 auto;display: flex;justify-content: space-between;margin-top: 16px;}
.help_cont .left_nav{width: 301px;background-color: #ffffff;padding-top: 33px;padding-bottom: 41px;box-sizing: border-box;padding-left: 30px;border-top: 5px solid #2870F4;}
.help_cont .left_nav .help_nav{margin-bottom: 15px;}
.help_cont .left_nav .help_nav:last-child{margin-bottom: 0;}
.help_cont .cont_right_text{width: 100%;max-width: 883px;background-color: #ffffff;padding-top: 47px;padding-bottom: 73px;}
.help_cont .cont_right_text .help_article{width: 100%;max-width: 773px;margin: 0 auto;}
.help_cont .cont_right_text .help_article h2{font-size: 20px;color: #222c3f;margin-top: 40px;font-weight: bold;}
.help_cont .cont_right_text .help_article h2:nth-child(1){margin-top: 0;}
.help_cont .cont_right_text .help_article p{font-size: 16px;color: #222c3f;line-height: 24px;}
.help_cont .cont_right_text .help_article img{width: 100%;}
.help_nav .f_tit{font-size: 16px;color: #333333;font-weight: bold;cursor: pointer;position: relative;}
.help_nav .f_tit i{background: url(http://static.cherryproxy.com/img/help/ic_more.svg)no-repeat;width: 8px;height: 8px;display: inline-block;position: absolute;left: -15px;top: calc(50% - 4px);}
.help_nav .f_tit:hover i{background-position-y: -8px;}
.help_nav ul{margin-top: 7px;display: none;border-left: 1px solid #eaedf0;padding-left: 15px;}
.help_nav ul li{font-size: 14px;color: #666666;padding: 4px 0;cursor: pointer;}
.help_nav ul li.on a{color: #2870F4;}
.help_nav ul li:hover a{color: #2870F4;}

.help_nav.select .f_tit i{background-position-y: -16px;}
.help_nav.select ul{display: block;}
.help_cont .left_nav .active a{color: #2870F4;}
.help_cont .left_nav .nav_one:hover a{color: #2870F4;}
.header .header_main .login a:nth-child(1){color: #3d6eec;}
.header .header_main .login a:nth-child(1):hover{color: #ffffff;}


@media screen and (max-width: 1235px) {
    .cont_left{
        display: none;
    }

    .help_cont{
        width: 100%;
        box-sizing: border-box;
        padding: 0 16px;
    }

    .help_cont .cont_right_text{
        max-width: 100%;
    }

    .help_cont .cont_right_text .help_article{
        max-width: 80%;
    }

    .help_banner h1{
        padding-left: 0;
        text-align: center;
    }
}