html,
body {
    height: 100%;
}

.header {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 999;
}

.box {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 1.8;
    min-height: 510px;
    background-color: #fff;

}

.leftMask {
    width: 50vw;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: #f4f4f4;
    z-index: -1;
}

.left {
    width: 240px;
    background-color: #f4f4f4;
    overflow-y: auto;
    height: 100%;
    float: left;
}

.left .h4 {
    position: relative;
}

.oc {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 30px;
    width: 15px;
}

.right {
    width: calc(100% - 240px);
    background-color: #fff;
    padding: 15px;
    float: left;
    height: 100%;
    overflow-y: auto;
    padding-bottom: 20px;

}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background-color: #fff;
    -webkit-border-radius: 2em;
    -moz-border-radius: 2em;
    border-radius: 2em;
}

::-webkit-scrollbar-thumb {
    background-color: #ccc;
    -webkit-border-radius: 2em;
    -moz-border-radius: 2em;
    border-radius: 2em;
}





.left .h4 {
    padding-top: 15px;
    padding-bottom: 20px;
    font-size: 16px;
}

.left a {
    display: block;
    color: #000;
    line-height: 24px;
    font-weight: 500;
    margin-top: 12px;
}

.left a:hover {
    color: #00a4ff;
}

.left a.active {
    color: #00a4ff;
}



.r_t_n {
    margin-bottom: 18px;
}

.r_t_n a {
    color: #999;
}

.r_t_n .title {
    color: #00a4ff;
}

.r_t_n .r {
    display: inline-block;
    width: 6px;
    height: 10px;
    background-image: url(./img/sprite.png);
    background-position: 73.52941176470588% 58.19672131147541%;
    background-size: 4633.333333333334% auto;
}

.r_t_n a:hover {
    color: #00a4ff;
}

.right .title {
    font-size: 30px;
    font-weight: 400;
}

.main {
    /* max-width: 970px; */
}

table {
    margin-top: 20px;
    margin-bottom: 24px;
    width: 100%;
    border: 1px solid #d9d9d9;
    border-bottom: none;
    border-collapse: collapse;
}

th {
    line-height: 1.5;
    border-collapse: collapse;
    border: 1px solid #d9d9d9;
    padding: 5px 12px;
    background-color: #F5F7FA;
}

td {
    padding: 5px 12px;
    border-collapse: collapse;
    border: 1px solid #d9d9d9;
}

.main .h2 {
    margin-top: 30px;
    margin-bottom: 16px;
    font-size: 20px;
    line-height: 20px;
    font-weight: 700;
}

.item {
    margin-bottom: 15px;
}

.item .name {
    font-weight: 800;
}

.item img {
    display: block;
    width: 100% !important;
    margin-top: 8px;
}






.oc {
    display: none;
}

@media screen and (max-width:800px) {

    .leftMask,
    .r_t_n {
        display: none;
    }

    .left {
        display: block;
        height: auto !important;
        width: 100%;
        text-align: center;
    }

    .oc {
        display: block;
    }

    .right {
        width: 100%;
        height: auto;
    }

    .left a {
        display: none;
    }
}

.footer {
    margin-top: 0 !important;
}