main {
    gap: 5rem;
}


.date-section > section, .record-section > section {
    width: 50rem;
}

.date-section {
    background-color: #fff;
}

.about-section {
    background-color: #FFFFFF;
}

.record-section {
    color: #FFFFFF;
}

.record-left {
    background-color: var(--color-primary);
}

.record-left > h3 {
    background-color: #FFFFFF;
    color: var(--color-primary);
}

.record-left > p {
    color: #fff;
}


/*跳转组*/
.jump-section {
    flex-wrap: wrap;
}

.jump-item {
    /*width: 30rem;*/
    background: #FFFFFF;
    box-shadow: 2px 3px 4px 1px rgba(0, 0, 0, 0.04);
}

.jump-text {
    padding: 2rem 1rem;
    gap: 1rem;
}

.jump-text > h3 {
    width: 11rem;
    height: 2.6rem;
    top: -1.8rem;
    font-size: 1.2rem;
}

.jump-text > p {
    height: 3.6rem;
}

/*跳转组*/

.title {
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-primary);
    position: relative; 
}

.title:after {
    content: '';
    display: block;
    width: 4rem;
    height: .2rem;
    position: absolute;
    background: var(--color-primary);
}

.papers-img, .papers-text {
    width: 50rem;
}

.papers-text {
    background-color: #fff;
    padding: 2rem 3rem;
    gap: 1rem;
}

.papers-text > p {
    text-align: center;
}

.indexing-section {
    flex-wrap: wrap;
}

.indexing-section > img {
    box-shadow: 2px 3px 4px 1px rgba(0, 0, 0, 0.04);
}

.technical-section {
    gap: 2rem;
    flex-wrap: wrap;
    background-color: var(--color-primary);
}

.technical-section > img {
    padding: 1rem;
    background-color: #fff;
}

.reviewers-section, .guidelines-section, .journal-section {
    padding: 0 3rem;
    gap: 3rem;
}


.reviewers-section, .journal-section, .guidelines-section {
    position: relative;
    background-color: #fff;
}


.reviewers-text, .journal-text, .guidelines-text, .guidelines-text {
    padding: 6rem 0;
    width: 66rem;
}

.float-image {
    width: 25rem;
    position: relative;

}

.float-image > img {
    position: absolute;
}


.journal-section {
    background-color: var(--color-primary);
}

.journal-text > p {
    color: #fff;
}

.journal-text > h3 {
    background-color: #fff;
    color: var(--color-primary);
}

/*电脑端*/
@media (min-width: 1021px) {
    .jump-section {
        gap: 5rem;
    }

    .jump-item {
        width: calc((var(--center-width) - 10rem) / 3);
    }
    
    .technical-section>img{
        width: 22rem;
    }

}

/*平板*/
@media (max-width: 1020px) {
    .float-image, .papers-img, .record-image, .date-image {
        display: none;
    }

    .jump-section {
        gap: 2rem;
    }

    .jump-item {
        width: calc(var(--center-width) / 2);
    }

    .indexing-section > img {
        width: calc(var(--center-width) / 3);
    }

    .technical-section>img{
        width: calc(var(--center-width) / 2);
    }
}

/*手机*/
@media (max-width: 490px) {
    .jump-section {
        gap: 2rem;
    }

    .jump-item {
        width: 100%;
    }
    .indexing-section > img {
        width: calc((100% - 1rem) / 2);
    }
    .technical-section>img{
        width: 100%;
    }
}