.about-section {
    background-color: #FFFFFF;
    padding: 4rem;
    gap: 2.5rem;
}

h1 {
    font-size: 1.8rem;
}

.countdown-section {
    padding: 2.5rem 8.5rem;
    box-shadow: 0 .5rem .9rem 0 rgba(0, 0, 0, 0.07);
    border-radius: 2rem;
}

/*桌面端*/
@media (min-width: 999px) {
    .countdown-section {
        padding: 2.5rem 8.5rem;
    }
}

/*移动端*/
@media (max-width: 1000px) {
    .countdown-section {
        padding: 2.5rem 3.5rem;
    }
}

.countdown-section > section > p {
    text-align: center;
}

.countdown-section > section > p:first-child {
    color: #686868;
    font-size: 3.2rem;
    font-weight: bold;
}


.group-section {
    gap: 2rem;
}

.group-section > section {
    width: 49rem;
}

.papers-section {
    background-color: #FFFFFF;
    box-shadow: 0 .5rem .9rem 0 rgba(0, 0, 0, 0.07);
    border-radius: .3rem;
    padding: 1.5rem 1rem;
}

.papers-title {
    gap: .5rem;
    width: 100%;
    padding-bottom: 1rem;
    border-bottom: 0.1rem solid rgba(0, 0, 0, 0.7);
    justify-content: center;
}

.papers-title > p {
    font-size: 2.2rem;
    font-weight: bold;
}

.papers-title > p:nth-child(2n) {
    color: var(--color-primary);
}

.papers-section > p {
    /*height: 58rem;*/
    /*overflow: hidden;*/
    /*white-space: pre-wrap;*/
    text-align: center;
}

.papers-section > a {
    text-align: center;
}

.plagiarism-statement {
    gap: 2rem;
}

/*抄袭检查*/
.plagiarism-statement > section {
    height: calc((100% - 3rem - 5rem)/ 2);
    padding: 1.5rem 2.5rem;
    background-size: cover;
    gap: 1.5rem;
}

.plagiarism-section {
    background: url("../image/dd3412a7de83348e6f4d5738a9e6402a.jpg") 100% no-repeat;
}

.statement-section {
    background: url("../image/e7cc5f031931dc91ec40b341f9806f38.jpg") 100% no-repeat;
}

.plagiarism-section > h2, .statement-section > h2 {
    font-size: 1.6rem;
    font-weight: bold;
    color: var(--color-primary);
    text-align: center;
}

.record-section{
    gap: 1rem;
}

.plagiarism-statement > a {
    height: 5rem;
    gap: .5rem;
    background-color: var(--color-primary);
    color: #FFFFFF;
    align-items: center;
}


.column-section {
    gap: 2.5rem;
}

.title{
    color: var(--color-primary);
    text-align: center;
}


.sponsor-section, .date-section {
    gap: 4rem;
}

.sponsor-section > img, .date-section>section {
    padding: 1rem;
    background-color: #fff;
    width: 22rem;
}
.date-section>section{
    padding: .5rem 1rem;
    align-items: center;
    box-shadow: 0 .5rem .9rem 0 rgba(0, 0, 0, 0.07);
}
.date-section>section>svg{
    width: 3rem;
}

.indexing-section{
    gap: 2rem;
}
.indexing-section>img{
    width: 18.4rem;
}

.indexing-section>img:hover{
    transform: scale(1.1);
}

.qrcode-section{
    background-color: #FFFFFF;
    padding: 2.5rem 0;
    align-items: center;
}
.qrcode-section>h2{
    color: var(--color-primary);
}
.qrcode-section>img{
    width: 25.5rem;
}