.list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.list .item {
    flex: 0 0 23%;
    margin: 0 0 40px;
}

.list .item .icon {
    text-align: center;
}

.list .item .icon img {
    height: 120px;
}

.list .item .tit {
    margin: 10px 0 0;
    text-align: center;
    font-weight: bold;
    font-size: 20px;
    color: #0066bc;
}

.list .item ol {
    padding: 0 0 0 25px;
}

.list .item ol li {
    line-height: 1.5em;
    padding: 0 0 10px;
}

.list .item ol li:lang(en) {
    text-align: left;
}

.sign {
    margin: 20px 0 0;
    text-align: right;
}

.sign img {
    height: 100px;
    margin: 10px 0 0;
    border-bottom: solid 1px #808080;
    font-weight: bold;
}

@media screen and (min-width: 768px) and (max-width: 1200px) {
    .list .item {
        flex: 0 0 45%;
        /* margin: 0 0 40px; */
    }

    .txt1 {
        text-align: right;
    }

    .sign {
        margin: 0;
    }
}

@media screen and (min-width: 1px) and (max-width: 767px) {
    .list .item {
        flex: 0 0 100%;
        margin: 0 0 20px;
    }

    .sign {
        margin: 20px 0 0;
    }
}