main.center {
    width: calc(var(--width) - 60px);
    margin-top: 20px;
}

.detail {
    display: flex;
    gap: 30px;
}

.de_left {
    width: 300px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: sticky;
    top: 20px;
    margin-bottom: auto;
}

.title_and_icon {
    display: flex;
    align-items: center;
    border-bottom: 2px solid #8f8f8f;
    gap: 15px;
    padding: 0 3px 10px;
}

.title_and_icon .img-box {
    width: 30%;
    height: fit-content;
    border-radius: 20px;
    overflow: hidden;
}

.title_and_icon .img-box::before {
    padding-top: 100%;
}

.title_and_icon h3 {
    font-family: 'Courier New', Courier, monospace;
    font-weight: 550;
    font-size: 17px;
    height: fit-content;
}

.de_left section {
    display: flex;
    gap: 12px;
    align-items: end;
}

.de_left section h4 {
    font-size: 18px;
    text-transform: uppercase;
}

.de_left .buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.de_left .buttons a {
    flex: 1;
    padding: 6px;
    background-color: #000;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: 5px;
    transition: background-color .2s;
}

.de_left .buttons a:first-child:hover {
    background-color: #2e2e2e;
}

.de_left .buttons a:last-child {
    background-color: #2A73F5;
}

.de_left .buttons a:last-child:hover {
    background-color: #4183f7;
}

.de_left .buttons a img {
    width: 25px;
}

.de_right {
    width: calc(100% - 330px);
    overflow: hidden;
}

.de_right .swiper2 {
    margin-bottom: 15px;
}

.text .title {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 18px;
    margin-bottom: 3px;
}

.text span {
    text-indent: 2em;
    display: block;
    font-size: 16px;
    font-weight: 300;
}

@media screen and (max-width:769px) {
    main.center {
        width: 100%;
        margin: 15px 0;
        padding: 0 5px;
    }

    .detail {
        width: 100%;
        flex-direction: column;
    }

    .de_left {
        width: 100%;
        position: relative;
        top: 0;
    }

    .de_left,
    .de_right {
        width: 100%;
    }
}