.flex {
    display: flex;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: -moz-flex;
    align-items: center;
}

.flex-end {
    justify-content: flex-end
}

.flex-bet {
    justify-content: space-between
}

.grid {
    display: flex;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: -moz-flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap
}

.show-xm {
    display: block !important
}

.show-xs {
    display: none !important
}

.lightbox {
    background: rgba(0, 0, 0, .5);
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: none;
}

.laybox {
    position: fixed;
    bottom: 0;
    padding: 0.3rem;
    width: 100%;
    left: 0;
    z-index: 2;
    background: #fff;
    border-radius: 0.3rem 0.3rem 0 0;
    display: none;
    z-index: 999;
}

.laybox .lay_tit {
    text-align: center;
    position: relative;
    width: 100%;
    margin-bottom: 0.5rem
}

.laybox .lay_tit .close {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%)
}

.laybox .lay_tit .close img {
    height: 0.24rem
}

.laybox .lay_cont {
    display: none;
}

.laybox .lay_cont ul {
    position: relative
}

.laybox .lay_cont ul::before {
    content: "";
    width: 73%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0.3rem;
    z-index: -1;
    border-top: 1px dashed #1cc0bd
}

.laybox .lay_cont li {
    width: 32%;
    text-align: center
}

.laybox .lay_cont li .item {
    font-size: 0.3rem
}

.laybox .lay_cont li .item .item_xu {
    width: 0.6rem;
    height: 0.6rem;
    line-height: 0.6rem;
    font-weight: bold;
    text-align: center;
    color: #fff;
    margin: 0 auto;
    background: #fd5c04;
    border-radius: 50%
}

.laybox .lay_cont li .item .item_tit {
    margin: 0.2rem 0 0.3rem
}

.laybox .lay_cont li .item .item_pic {
    border-radius: 0.25rem
}

.laybox .lay_cont li .item .item_pic img {
    border-radius: 0.25rem
}

img {
    max-width: 100%;
    height: auto;
}

.fixleft-btn {
    position: fixed;
    top: 30%;
    left: 50%;
    margin-left: -3.9rem;
    width: 2rem;
    z-index: 100;
}

@media screen and (min-width: 1025px) {
    .fixleft-btn {
        display: none;
    }
}