a {
    outline: 0;
    text-decoration: none;
}

.top-nav {
    height: 60px !important;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
    min-width: 1120px;
    transition: all .2s;
    z-index: 998;
    border-bottom: solid 1px #EEF3FA;
    box-shadow: 0 0 8px 0 rgba(20,30,49,.1);
    position: relative;
    height: 47px;
   
}

.top-nav-title {
    font-size: 20px;
    font-weight: 600;
}
.top-nav-box {
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top-right-box {
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.top-nav-lf {
    display: flex;
    align-items: center;
}

    .top-nav-lf .navlf_item {
        display: flex;
        align-items: center;
    }

.top-nav-line {
    width: 1px;
    height: 24px;
    background-color: #dbe3ea;
    margin: 0 8px;
}

.menu-item-btn {
    padding: 0 25px;
    height: 36px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: pointer;
    font-size: 16px;
    display: inline-block;
    border: 1px solid #00acbe;
    line-height: 36px;
    margin-right: 25px;
    border-radius: 3px;
    text-align: center;
    font-weight: 400;
    letter-spacing: 2px;
    text-decoration: none;
}

.top-nav .signin {
    width: 160px;
    height: 40px;
    line-height: 40px;
    background: #ffffff;
    border-radius: 4px;
    border: 1px solid #00b6ba;
}

.top-nav .register {
    width: 160px;
    height: 40px;
    line-height: 40px;
    background: #ffa200;
    border-radius: 4px;
    border: none;
}


.shouye_left1 {
    float: left;
    width: 100%;
    margin-top: 30px;
}

.learn_path {
    padding-left: 15px;
}
    .learn_path p {
        font-size: 17px;
        color: #334356;
        font-weight: 600;
        line-height: 24px;
        padding-bottom: 3px;
    }
    .learn_path span {
        font-size: 14px;
        color: #B3C1D3;
        line-height: 20px;
    }
.learn_path_box.first {
    margin-top: 30px;
}
.box_title {
    margin-left: 34px;
    border-bottom: 1px solid #ECF0F5;
    font-size: 17px;
    color: #334356;
    line-height: 24px;
    position: relative;
}
    .box_title.about:before {
        background: url("/Content/help/image/about.png");
        background-size: 24px 24px;
    }
    .box_title.start:before {
        background: url("/Content/help/image/start.png");
        background-size: 24px 24px;
    }

    .box_title:before {
        content: '';
        width: 24px;
        height: 24px;
        top: 0;
        left: -34px;
        display: inline-block;
        position: absolute;
    }
.box_content {
    margin-left: 10px;
    padding-top: 8px;
    padding-bottom: 50px;
    border-left: 1px solid #D2DBE7;
}
    .box_content li {
        font-size: 14px;
        color: #1C85E7;
        line-height: 20px;
        padding-left: 35px;
        padding-top: 12px;
        display: inline-block;
        width: 19%;
        vertical-align: top;
    }
        .box_content li:before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 5px;
            border-radius: 2.5px;
            background: #1C85E7;
            position: relative;
            right: 11px;
            bottom: 2px;
        }
        .box_content li a {
            color: #1C85E7;
        }
        .box_content li.center {
            margin-left: calc(5% - 35px);
        }
        .box_content li.right {
            margin-left: calc(5% - 35px);
        }
.box_subtitle_wrap {
    width: 21%;
    margin-left: 24px;
    padding-top: 12px;
    display: inline-block;
}
.box_subtitle {
    font-size: 14px;
    font-weight: 500;
    line-height: 24px;
    color: #334356;
    position: relative;
}
.box_subtitle_step {
    margin-left: 34px;
}
    .box_subtitle_step.step_num1:before {
        background: url("/Content/help/image/icon_num1.png");
        background-size: 24px 24px;
    }
    .box_subtitle_step:before {
        content: '';
        width: 24px;
        height: 24px;
        top: 0;
        left: -34px;
        display: inline-block;
        position: absolute;
    }

    .box_subtitle_step.step_num2:before {
        background: url("/Content/help/image/icon_num2.png");
        background-size: 24px 24px;
    }
    .box_subtitle_step.step_num3:before {
        background: url("/Content/help/image/icon_num3.png");
        background-size: 24px 24px;
    }
    .box_subtitle_step.step_num4:before {
        background: url("/Content/help/image/icon_num4.png");
        background-size: 24px 24px;
    }

.box_title.advanced:before {
    background: url("/Content/help/image/advanced.png");
    background-size: 24px 24px;
}
.box_title.maintenance:before {
    background: url("/Content/help/image/icon_maintenance.png");
    background-size: 24px 24px;
}
.clr {
    zoom: 1;
    clear: both;
}
.clr:after {
    content: ".";
    display: block;
    visibility: hidden;
    height: 0;
    clear: both;
}
.wlbanner {
    padding: 15px;
    background: #FFFFFF;
    box-shadow: 0 0 12px 0 rgba(211,215,220,0.55);
    position: relative;
}
    .wlbanner .top_title {
        color: #334356;
    }
    .wlbanner h2 {
        display: block;
        font-size: 23px;
        color: #334356;
    }
    .wlbanner .top_description {
        color: #617288;
        font-size: 12px;
    }
    .wlbanner li {
        position: relative;
        font-size: 14px;
        color: #617288;
        padding-top: 12px;
    }
.banner_btn {
    margin-top: 10px;
}
.btns {
    width: 105px;
    height: 32px;
    border-radius: 2px;
    border: 1px solid #1C85E7;
    padding: 6px 22px;
    color: #1C85E7;
    font-size: 14px;
    line-height: 20px;
    float: left;
    margin-right: 10px;
    box-sizing: border-box;
}
.shouye_left {
    width: auto;
    min-width: 750px;
    height: auto;
    background: #fff;
    padding-bottom: 0px;
}
.shouye_right {
    float: right;
    position: absolute;
    right: 10px;
    top: 0;
    width: 200px;
    height: 100%;
    height: auto;
    margin-right: 10px;
}
.myjihua {
    text-align: center;
    background: #F5F7FA;
    border-radius: 2px;
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 10px 15px 10px 15px;
    border: 1px solid #E9EDF1;
}
    .myjihua .jhtil {
        text-align: center;
        font-size: 17px;
        padding-top: 4px;
        padding-bottom: 2px;
        line-height: 24px;
        font-weight: 600;
        color: #334356;
    }