/* Learning-center dropdown shared by the homepage and inner-page header. */
#nav #navtop26 > img {
    filter: brightness(0) saturate(100%) invert(16%) sepia(99%) saturate(6747%) hue-rotate(358deg) brightness(104%) contrast(115%);
}

#nav .pull-right .wx-study-menu {
    position: relative;
}

#nav .wx-study-menu #topspan31 {
    display: inline-flex;
    align-items: center;
}

#nav .wx-study-menu #topspan31::after {
    content: "";
    width: 6px;
    height: 6px;
    margin: -4px 0 0 8px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    transition: transform .25s ease, margin-top .25s ease;
}

#nav .wx-study-menu:hover #topspan31::after {
    margin-top: 4px;
    transform: rotate(225deg);
}

#nav .pull-right .wx-study-menu .wx-study-list {
    top: 74px;
    left: 50%;
    width: 164px;
    margin-left: -82px;
    padding: 8px;
    overflow: visible;
    border: 1px solid #e3ecfa;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 16px 38px rgba(25, 67, 139, .16);
    transform-origin: 50% 0;
}

#nav .pull-right .wx-study-menu .wx-study-list::before {
    content: "";
    position: absolute;
    top: -13px;
    right: 0;
    left: 0;
    height: 13px;
}

#nav .pull-right .wx-study-menu .wx-study-list .itemn {
    position: relative;
    display: flex;
    align-items: center;
    width: 146px;
    height: 46px;
    padding: 0 14px 0 42px;
    border: 0;
    border-radius: 8px;
    color: #29364d;
    font-size: 14px;
    line-height: 46px;
    text-align: left;
    transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

#nav .pull-right .wx-study-menu .wx-study-list .itemn + .itemn {
    margin-top: 3px;
}

#nav .pull-right .wx-study-menu .wx-study-list .itemn::before {
    position: absolute;
    left: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 6px;
    background: #eaf3ff;
    color: #2a79f5;
    font-size: 10px;
    line-height: 20px;
}

#nav .pull-right .wx-study-menu .wx-study-list .wx-study-video::before {
    content: "\25B6";
}

#nav .pull-right .wx-study-menu .wx-study-list .wx-study-article::before {
    content: "\2630";
    font-size: 12px;
}

#nav .pull-right .wx-study-menu .wx-study-list .itemn:hover {
    background: #edf5ff;
    color: #2a79f5;
    transform: translateX(2px);
}