.box {
    width: 100%;
}
.head {
    width: 100%;
    height: 44px;
    padding: 0 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
    background: #FFFFFF;
    position: sticky;
    top: 0;
    left: 0;
    z-index: 999;
    box-shadow: 0 2px 8px 0 rgba(102,102,102,0.05);
}
.head_logo {
    width: 98px;
    height: 32px;
}
.head_menu {
    width: 24px;
    height: 24px;
}
.banner {
    width: 100%;
    padding: 24px 15px;
    box-sizing: border-box;
    background: #F8F9FB;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.banner_title {
    font-weight: 600;
    font-size: 18px;
    color: #191B1F;
}
.banner_info {
    font-weight: 400;
    font-size: 11px;
    color: #9196A1;
    margin-top: 10px;
    text-align: center;
}
.banner img {
    width: 345px;
    height: 173px;
    margin-top: 20px;
}
.lanmu {
    width: 100%;
    height: 70px;
}
.item {
    width: 100%;
    padding: 24px 0;
    box-sizing: border-box;
    background-color: #ffffff;
}
.item_title {
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
    font-weight: 600;
    font-size: 16px;
    color: #191B1F;
}
.item_info {
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
    font-weight: 400;
    font-size: 11px;
    color: #9196A1;
    margin-top: 11px;
}
.item_list {
    width: 100%;
    margin-top: 10px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
}
.item_list_item {
    width: 25%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}
.item_list_item img {
    width: 44px;
    height: 44px;
}
.item_list_item span {
    font-weight: 400;
    font-size: 13px;
    color: #191B1F;
    margin-top: 10px;
}
.item_image {
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
    margin-top: 5px;
}
.gengduo {
    width: 100%;
    padding: 24px 17px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
}
.gengduo_title {
    font-weight: 600;
    font-size: 18px;
    color: #191B1F;
}
.gengduo_info {
    font-weight: 400;
    font-size: 11px;
    color: #9196A1;
    margin-top: 10px;
    text-align: center;
}
.gengduo img {
    width: 100%;
    margin-top: 13px;
}