#home-top {
    width: 100%;
    height: 100vh;
    min-height: 37.5rem;
    position: relative;
    overflow: hidden;
    background-image: url(../img/about-bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.contract {
    position: absolute;
    left: 5rem;
    top: 18.75rem;
    width: 1.5rem;
    height: 10.875rem;
    opacity: 1;
    /* 自动布局 */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 99;
    color: #FFFFFF;
    border-top: 1px solid #D8D8D8;
    border-bottom: 1px solid #D8D8D8;
    padding: 0.625rem 0;
    font-weight: 500;
    position: relative;
}

.contract>span {
    writing-mode: vertical-lr;
    letter-spacing: 0.5rem;
    cursor: pointer;
    font-size: 1.20rem;
}

.contract img {
    cursor: pointer;
}

.contract .triangle {
    position: absolute;
    left: -1.5rem;
    top: 4.6875rem;
    width: 0;
    height: 0;
    transform: rotate(0deg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;

    /* 创建三角形 */
    border-left: 1.5625rem solid transparent;
    border-right: 1.5625rem solid transparent;
    border-bottom: 2.75rem solid rgba(255, 255, 255);
    z-index: -1;
}

.contract .triangle.show {
    opacity: 1;
    visibility: visible;
}

.contract .contract-pop {
    position: absolute;
    left: 3.875rem;
    top: 1.5625rem;
    width: 21.5rem;
    height: 9.5rem;
    border-radius: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.625rem);
    transition: all 0.3s ease-in-out;

    /* 渐变/白色 */
    background: linear-gradient(180deg, rgba(255, 255, 255) 0%, rgba(255, 255, 255) 100%);

    z-index: 20;
}

.contract .contract-pop.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.contract .contract-pop .tel {
    width: 16.25rem;
    height: 3.625rem;
    border-radius: 1.75rem;
    opacity: 1;

    /* 自动布局 */
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 0.3125rem 1.25rem;
    gap: 0.625rem;

    /* 纯色/蓝色 */
    background: #0256FF;
    margin: 0 auto;
    margin-top: 1.4375rem;
    font-size: 1.25rem;
}

.contract .contract-pop .tel img {
    width: 1.25rem;
    height: 1.25rem;
}

.contract .contract-pop .email {
    width: 18.3125rem;
    color: #9E9E9E;
    display: flex;
    margin-top: 1.875rem;
    margin-left: 3.75rem;
    font-size: 1.25rem;
    align-items: center;
}

.contract .contract-pop .email img {
    width: 1.25rem;
    height: 1.125rem;
    margin-right: 0.625rem;
}

.contract .contract-pop .email a {
    color: #9E9E9E;
    text-decoration: none;
}

.logo_0 {
    width: 62.5rem;
    text-align: center;
    margin: 0 auto;
    margin-top: 15rem;
}

.logo_0 img {
    width: 17.875rem;
    height: 9.6875rem;
    margin: 0 auto;
}

.logo_0 p {
    font-size: 1.5rem;
    font-weight: 350;
    color: #fff;
    margin-top: 1.875rem;
    line-height: 1.4;
}

.about-content {
    width: 100%;
    background-color: #000;
    padding-bottom: 6.25rem;
}

.abouut-content-1462 {
    width: 91.375rem;
    margin: 0 auto;
    overflow: hidden;
    padding: 0 1.25rem;
    box-sizing: border-box;
}

.abouut-content-1462 .title {
    color: #fff;
    text-align: center;
    font-size: 3rem;
    font-weight: 400;
    margin-top: 2.5rem;
}

.abouut-content-1462 .content-1 {
    margin-top: 2.5rem;
}

.abouut-content-1462 .title-info {
    color: #fff;
    font-size: 1.25rem;
    line-height: 1.6;
}

.abouut-content-1462 .title-info p {
    margin-top: 1.25rem;
}

.abouut-content-1462 .data {
    height: 32.5625rem;
    margin-top: 2.5rem;
}

.item-desc {
    width: 91.375rem;
    margin: 0 auto;
    margin-top: 2.5rem;
}

.item-desc .item-t {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.item-desc .item-t .img {
    width: 45.625rem;
    height: 25rem;
}

.item-desc .item-t .img img {
    width: 100%;
    height: 100%;
}

.item-desc .item-t .text {
    width: 45.625rem;
    height: 25rem;
    background-color: #0256FF;
    padding: 3.75rem;
    display: flex;
    align-items: center;
}

.item-desc .item-t .text p {
    font-size: 1.5rem;
    color: #fff;
    line-height: 1.5;
}

.info {
    width: 91.375rem;
    margin: 0 auto;
    margin-top: 2.5rem;
    color: #FFFFFF;
    font-size: 1.25rem;
    line-height: 1.6;
}

.info p {
    margin-top: 2.5rem;
}

.cooperate {
    margin-top: 2.5rem;
    text-align: center;
}

.cooperate .title-info {
    margin-top: 2.5rem;
}

.cooperate img {
    width: 91.375rem;
    margin: 0 auto;
    display: block;
    max-width: 100%;
    height: auto;
}

/* 最小尺寸保护 */
@media (max-width: 320px) {
    .abouut-content-1462 .title {
        font-size: 1.25rem !important;
    }
    .abouut-content-1462 .title-info {
        font-size: 0.875rem !important;
    }
    .item-desc .item-t .text p {
        font-size: 0.875rem !important;
    }
    .info {
        font-size: 0.875rem !important;
    }
}