.Select-box-2 ul {
    box-shadow: 0 8px 18px rgba(0, 0, 0, .12);
}

.Select-box-2 li {
    box-sizing: border-box;
}

.Select-box-2 li.engine-active {
    background: rgba(51, 133, 255, .12);
    color: #317ef3;
}

.Select-box-2 .this_s {
    background: rgba(255, 255, 255, .95);
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    user-select: none;
}

.Select-box-2.engine-open ul {
    height: auto !important;
}

@media screen and (max-width: 768px) {
    .baidu-2 form {
        position: relative;
        width: 100%;
        max-width: 520px;
        height: 1.2rem;
    }

    .baidu .Select-box-2 {
        display: block !important;
        float: none !important;
        position: absolute !important;
        left: 0;
        top: 0;
        width: 80px !important;
        height: 1.2rem;
        z-index: 30;
        text-align: center;
    }

    .baidu .Select-box-2 ul {
        display: block !important;
        position: absolute;
        left: 0;
        top: 0;
        width: 80px !important;
        height: 1.2rem !important;
        max-height: 1.2rem;
        overflow: hidden;
        border-radius: 2px 0 0 2px;
        background: rgba(255, 255, 255, .94);
    }

    .baidu .Select-box-2.engine-open ul {
        height: auto !important;
        max-height: 9.6rem;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .baidu .Select-box-2 li {
        display: block !important;
        float: none !important;
        width: 80px !important;
        height: 1.2rem;
        line-height: 1.2rem;
        padding: 0;
        background: rgba(255, 255, 255, .94) !important;
        color: #333;
        font-size: 13px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .baidu .Select-box-2 li:hover,
    .baidu .Select-box-2 li.engine-active {
        background: #317ef3 !important;
        color: #fff;
    }

    .baidu .Select-box-2 .this_s {
        color: #317ef3;
        background: rgba(255, 255, 255, .98) !important;
    }

    .baidu-2 .in5 {
        position: absolute !important;
        left: 80px;
        top: 0;
        width: calc(100% - 160px) !important;
        height: 1.2rem;
    }

    #kw-2 {
        position: static !important;
        width: 100% !important;
        height: 1.2rem !important;
        border: 0;
        box-sizing: border-box;
    }

    #su-2 {
        position: absolute !important;
        right: 0 !important;
        top: 0;
        width: 80px !important;
        height: 1.2rem !important;
        border-radius: 0 2px 2px 0 !important;
    }

    ul.keylist {
        width: calc(100% - 160px) !important;
        margin-left: 80px;
    }
}