.search {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
}

.mui-search:before {
    top: 44%;
}

.mui-search .mui-placeholder {
    background-color: white;
    height: 49px;
    line-height: 49px;
}

input[type='search'] {
    background-color: white;
    height: 49px;
    line-height: 49px;
}

.mui-input-row.mui-search .mui-icon-clear {
    top: 14px;
}

#box {
    height: calc(100vh - 15vh);
    overflow-y: scroll;
}

.coupon_list .coupon_item {
    background-color: #fff;
    margin-bottom: 10px;
    border-radius: 5px;
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.coupon_list .coupon_item .item_content a {
    padding: 12px;
    border-right: 1px dashed #ddd;
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    color: #303133;
}

.coupon_list .coupon_item .item_content .left {
    width: 100px;
    font-size: 40px;
    font-weight: 700;
    color: #e74c3c;
}

.coupon_list .coupon_item .item_content .left span {
    font-size: 12px;
}

.coupon_list .coupon_item .item_content .right {
    max-width: 175px;
    width: 175px;
}

.coupon_list .coupon_item .item_content .right div {
    margin-bottom: 2px;
    font-size: 16px;
}

.coupon_list .coupon_item .item_content .right div:nth-child(2) {
    color: #909399;
    font-size: 14px;
}

.coupon_list .coupon_item .item_content .right div:nth-child(2) span {
    color: rgb(55, 68, 134);
}

.coupon_list .coupon_item .item_content .right div:nth-child(3),
.coupon_list .coupon_item .item_content .right div:nth-child(4) {
    color: #909399;
    font-size: 12px;
}

.coupon_list .coupon_item .item_btn {
    font-size: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #f7f7f7;
    width: 100%;
}

.coupon_list .coupon_item .item_btn .right_btn {
    color: rgba(0, 0, 0, 0.3);
    background-color: #f7f7f7;
    display: inline-flex;
    width: auto;
    font-size: 11px;
    height: 26px;
    line-height: 26px;
    padding: 0 10px;
    border-radius: 5px;
    border: 1px solid rgba(0, 0, 0, 0.3);
}