#search_btn {
    color: #333333;
    font-size: .373333rem;
    margin-left: 0.4rem;
    font-family: Microsoft YaHei;
}

#search_img,
#input_clear {
    width: .48rem;
    height: .48rem;
    position: absolute;
    margin-left: 0.8rem;
}

#input_clear {
    margin-left: 7.8rem;
    display: none;
}

#search_bg {
    position: fixed;
    z-index: 100;
    top: 0;
    display: flex;
    align-items: center;
    background-color: #fff;
    width: 10rem;
    height: 1.4rem;
    /* border-bottom: .013333rem solid #EEEEEE; */
}

#input_text {
    width: 8.12rem;
    height: .92rem;
    font-size: .373333rem !important;
    background: #F5F5F5;
    border-radius: .466667rem;
    border: none;
    text-indent: 1.1rem;
    margin-left: .42666rem;
}

input::-webkit-input-placeholder {
    color: #B3B3B3 !important;
    font-family: Microsoft YaHei;
    font-size: .373333rem !important;
}

.all {
    overflow-x: hidden;
    padding: .2933rem;
    width: 9.4133rem;
    margin-bottom: 1.3rem;
    padding-bottom: 1.8rem;
}

#list_div {
    margin-top: 2.8rem;
}

.zhanwei_div {
    position: fixed;
    z-index: 99;
    top: 1rem;
    width: 10rem;
    background-color: #f6f6f6;
    height: 2.08rem;
}

#menu_btn_bg {
    position: fixed;
    z-index: 100;
    top: 1.6rem;
    display: flex;
    clear: both;
    margin: .2933rem;
    margin-top: 0;
    width: 9.4133rem;
    height: 1.2rem;
    margin-top: 0.05rem;
    background-color: #ffffff;
    border-radius: 0.2rem;
}

.menu_btn {
    width: 2.35rem;
    height: 1.2rem;
    line-height: 1.2rem;
    float: left;
    text-align: center;
    color: #3d3d3d;
    font-size: 0.38rem
}

.menu_btn div {
    float: left;
    max-width: 1.7rem;
    min-width: 1.4rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: pre;
    text-align: right;
}

.menu_btn img {
    float: left;
    margin-left: 0.1rem;
    margin-top: 0.38rem;
    width: 0.38rem;
    height: 0.38rem;
}

.list_mask {
    display: none;
    position: absolute;
    z-index: 999;
    width: 9.44rem;
    left: 0;
    right: 0;
    top: 1.15rem;
    margin: auto;
    background-color: #ffffff;
    border-radius: .133333rem;
    -moz-box-shadow: 2px 2px 4px #ababab;
    -webkit-box-shadow: 2px 2px 4px #ababab;
    box-shadow: 2px 2px 4px #ababab
}

.list_bg {
    width: 9.04rem;
    margin-left: 0.4rem;
    margin-top: 0.5rem
}

.list_item {
    width: 2.67rem;
    height: .83rem;
    line-height: .83rem;
    background-color: #ebebeb;
    text-align: center;
    margin-right: .33rem;
    border-radius: .133333rem;
    font-size: .333333rem;
    color: #3d3d3d;
    margin-bottom: 0.4rem;
    float: left
}

.btn {
    opacity: 0;
    display: flex;
    position: fixed;
    bottom: 0;
    font-size: .4267rem;
}

.my_ask {
    width: 3.3333rem;
    height: 1.2533rem;
    background: #fff;
    color: #78CE83;
}

.ask_teacher,
.ask_ai {
    width: 3.3333rem;
    color: #fff;
    height: 1.2533rem;
    background: #78CE83;
}
.ask_ai{
    position: relative;
}
.line {
    width: .0267rem;
    height: .5867rem;
    background: #fff;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 65%;
    z-index: 10;
}
.ai_icon{
    width: .96rem;
    height: .56rem;
    position: absolute;
    left: 55%;
    top: .1467rem
}