.detail-top {
    padding-top: calc(var(--ratio-size) * 120);
    padding-bottom: calc(var(--ratio-size) * 60);
    padding-left: calc(var(--ratio-size) * 150);
    padding-right: calc(var(--ratio-size) * 150);
    text-align: center;
}

.detail-top .title {
    line-height: 1.3;
    /* font-size: var(--title-inside-size); */
    font-size: max(20px, calc(var(--ratio-size) * 40));
}

.detail-top .time {
    margin-top: calc(var(--ratio-size) * 30);
    font-size: calc(24rem / 16);
    color: #4BC12A;
}

.main {
    padding-top: calc(var(--ratio-size) * 80);
    padding-bottom: calc(var(--ratio-size) * 150);
    background-color: #fafafa;
}

.main .detail-content {
    padding-left: calc(var(--ratio-size) * 420);
    padding-right: calc(var(--ratio-size) * 420);
    line-height: 1.7;
    color: #4c4c4c;
    /* text-align: justify; */
}

.main .detail-content img {
    width: revert-layer;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    /* margin-bottom: calc(var(--ratio-size) * 50); */
}

.main .detail-content>* {
    margin-bottom: calc(var(--ratio-size) * 10);
}

.main .detail-content strong {
    font-weight: bolder;
    font-style: unset;
}

.main .detail-content em {
    font-style: italic;
}

.main .select-content {
    display: flex;
    justify-content: center;
    padding: 0 calc(var(--ratio-size) * 360);
    margin-top: calc(var(--ratio-size) * 120);
}

.main .select-content a {
    position: relative;
    display: flex;
    align-items: center;
    width: 50%;
    padding-top: calc(var(--ratio-size) * 50);
    padding-bottom: calc(var(--ratio-size) * 60);
    background-color: #fff;
    transition: all .5s;
}

.main .select-content a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(90deg, #0B58CB, #1785C5, #3ABD1B);
    opacity: 0;
    transition: all .5s;
}

.main .select-content a .content {
    flex: 1;
    position: relative;
    z-index: 2;
}

.main .select-content .prev-btn .content {
    margin-left: calc(var(--ratio-size) * 25);
}

.main .select-content .next-btn .content {
    margin-right: calc(var(--ratio-size) * 25);
}

.main .select-content a.prev-btn {
    padding-left: calc(var(--ratio-size) * 30);
    padding-right: calc(var(--ratio-size) * 170);
    border-right: 1px solid #ccc;
}

.main .select-content a.next-btn {
    position: relative;
    padding-left: calc(var(--ratio-size) * 170);
    padding-right: calc(var(--ratio-size) * 30);
    text-align: right;
}

.main .select-content a .title {
    font-size: calc(24rem / 16);
    font-weight: bold;
}

.main .select-content a .text {
    margin-top: calc(var(--ratio-size) * 20);
}

.main .select-content a .btn {
    position: relative;
    z-index: 2;
    width: max(20px, calc(var(--ratio-size) * 40));
}

.main .select-content a .btn img {
    width: 100%;
    transition: all .5s;
}

.main .select-content a .btn .hover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.main .select-content a.next-btn .btn img {
    transform: rotate(180deg);
}

.main .select-content a:not(.null):hover {
    color: #fff;
}

.main .select-content a:not(.null):hover::after {
    opacity: 1;
}

.main .select-content a:not(.null):hover .btn .hover {
    opacity: 1;
}

.main .select-content a:not(.null):hover .btn .default {
    opacity: 0;
}

.main .select-content a.prev-btn.null::before,
.main .select-content a.next-btn.null::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    z-index: 3;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, .5);
}