html body div span img {
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#tip {
    display: none;
}

/* 小于 1366px 时：隐藏 body 的所有内容，显示提示 */
@media (max-width: 1365.98px) {
    body>*:not(#tip) {
        display: none !important;
    }

    /* 隐藏除提示外的所有元素 */
    #tip {
        display: flex !important;
        align-items: center;
        justify-content: center;
        min-height: 100vh;
        font-size: 20px;
        padding: 50px;
        text-align: center;
    }
}

.custom-scrollbar {
    overflow: auto;
}

/* 滚动条整体宽度 */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
    /* 纵向滚动条宽度 */
    height: 6px;
    /* 横向滚动条高度 */
}

/* 滚动条滑块（thumb） */
.custom-scrollbar::-webkit-scrollbar-thumb {
    background-color: rgba(144, 147, 153, 0.3);
    border-radius: 4px;
}

/* 滚动条轨道（track） */
.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.head-nav {
    width: 100%;
    height: 77px;
    background-color: #F3F9FF;
}

.head-nav-1 {
    margin: 0 auto;
    width: 1200px;
    height: 100%;
    display: flex;
    align-items: center;
}

.head-nav-1 a {
    text-decoration: none;
}


.head-nav-btn {

    height: 41px;
    line-height: 35px;
    border-radius: 10px;
    color: #000000;
    text-align: center;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    font-size: 24px;
}

.head-nav-btn-select {
    background-color: #295BFF;
    color: #ffffff;
}

.main-card-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 655px;
    gap: 25px;
}

.main-card-nav-item {
    flex: 0 0 243px;
    transition: flex 0.3s ease;
    overflow: hidden;
    height: 577px;
    position: relative;
    border-radius: 10px;
}

.main-card-nav-item.expanded {
    flex: 0 0 706px;
}

.main-card-nav-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
}

/* 遮罩层样式 */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #14102959;
    /* 半透明黑色 */
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

/* 展开的卡片不显示遮罩 */
.main-card-nav-item.expanded .overlay {
    opacity: 0;
}


.main-card-nav-item-txt {
    margin-top: 505px;
    color: #fff;
    text-align: center;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    font-size: 30px;
}

.main-card-nav-item-button {
    width: 151px;
    height: 54px;
    position: absolute;
    bottom: 25px;
    right: 40px;
    border-radius: 27px;
    background-color: #295BFF;
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    font-size: 18px;
    line-height: 50px;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    z-index: 2;
}

.main-card-nav-item.expanded .main-card-nav-item-button {
    opacity: 1;
    pointer-events: auto;
}


.mian-cp {
    width: 100%;
    height: 682px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url(/img/gsjs.png);
}

.mian-cp-title {
    padding-top: 60px;
    width: 410px;
    font-size: 36px;
    font-weight: bold;
    color: #ffffff;
}

.mian-cp-text {
    width: 100%;
    font-size: 18px;
    line-height: 24px;
    color: #ffffff;
}

.main-certificate {
    width: 100%;
    height: 724px;
    background-color: #F6F8FF;
}


.main-certificate-title {
    font-size: 36px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 88px;
    text-align: center;
}


.main-certificate-title-tag {
    margin: 0 auto;
    width: 64px;
    height: 6px;
    display: block;
}


.main-certificate-text {
    font-size: 18px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 30px;
    text-align: center;
}

.main-certificate-list {
    margin-top: 40px;
    display: flex;
    gap: 30px;
    justify-content: center
}


.main-certificate-img1 {
    width: 628px;
    height: 448px;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}



.main-certificate-img2 {
    width: 353px;
    height: 448px;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-certificate-img3 {
    width: 323px;
    height: 448px;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}


.partner-brands {
    width: 100%;
    height: 737px;
    background-color: #fff;

}



.main-title {
    font-size: 36px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 88px;
    text-align: center;
}


.partner-brands-img {
    width: 60%;
    margin: 0 auto;
    display: block;
}


.bottom {
    width: 100%;
    height: 328px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url(/img/bottom.png);
}

.bottom-logo {
    width: 100%;
    height: 156px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.bottom-logo img {
    width: 131px;
    height: 51px;
}

.bottom-text {
    font-size: 18px;
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 36px;
    text-align: center;
}



.main-home-print-body {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 25px;
}


.main-home-print-card-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.main-home-print-card {
    width: 460px;
    height: 120px;
    background-color: #E9F0FF;
}

.main-home-print-card-title {
    margin-left: 25px;
    margin-top: 18px;
    font-size: 24px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 24px;
}

.main-home-print-card-text {
    margin: 15px 25px 15px 25px;
    font-size: 18px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 24px;
}


.main-home-print-img-list {
    display: flex;
    justify-content: center;
    gap: 54px;
}

.main-home-print-img-item {
    width: 351px;
    height: 389px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}


.learning-tools {
    width: 100%;
    height: 724px;
    background-color: #E9F0FF;
}


.learning-tools-list {

    width: 100%;
    height: 250px;
    max-height: 250px;
    display: flex;
    justify-content: center;
    gap: 24px;
}


.learning-tools-item {
    width: 300px;
    height: 190px;
    background-color: #fff;
    border-radius: 10px;
}

.learning-tools-item-title {
    font-size: 20px;
    color: #5486FA;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 24px;
    padding: 0 5px 0 24px;
}


.learning-tools-item-text {
    margin-top: 15px;
    font-size: 18px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 24px;
    padding: 0 5px 0 24px;
}

.learning-tools-item-icon {
    margin-top: -30px;
    margin-left: 20px;
}


.shared-print-overview {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 25px
}

.shared-print-overview-text {
    margin-top: 15px;
    font-size: 18px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 24px;
}

.shared-print-overview-left {
    width: 600px;
}

.shared-print-overview-right {
    width: 520px;
    height: 630px;
}

.shared-print-overview-bottom-img {
    margin-top: 40px;
    width: 587px;
    height: 104px;
}


.shared-printing-product-introduction {
    margin-top: 50px;
    width: 100%;
    height: 1013px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url(/img/shared-print-bg1.png);
}


.shared-printing-product-introduction-list {
    width: 710px;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    height: auto;

}

.shared-printing-product-introduction-right {
    margin-left: 40%;
}

.shared-printing-product-introduction-item {
    width: 340px;
    height: 130px;
    background-color: #fff;
    border-radius: 10px;
    padding: 22px;
}

.shared-printing-product-introduction-title {
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 24px;
    font-size: 20px;
    line-height: 24px;
    color: #295BFF;
    text-align: left;
}

.shared-printing-product-introduction-text {
    margin-top: 15px;
    font-size: 18px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 24px;
}


.print-function {
    background-color: #fff;
    width: 1346px;
    margin: -350px auto 0 auto;

}



.print-function-content {
    width: 1345px;

}

.print-function-text {
    font-size: 24px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 48px;
    text-align: center;
}


.print-function-img {
    margin-left: 150px;
    width: 722px;
    height: 571px;
}

.print-function-list {
    width: 100%;
    height: 600px;
    display: flex;
    margin-top: 40px;

}

.print-function-list-ul {
    margin-top: 30px;
    margin-left: 150px;
    width: 325px;
    height: 512px;
    list-style: none;
    padding: 0;
}

.print-function-list ul li {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 20px;
    color: #295BFF;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    text-align: left;
    display: flex;
    height: 64px;
    line-height: 64px;
    border-bottom: 1px solid #E9EEF7;
}

.print-function-list ul li div {
    font-size: 10px;
    line-height: 64px;
    display: block;
    margin-right: 15px;
}


.office-card-list {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.office-card-item {
    width: 287px;
    height: 287px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    padding: 20px 18px 20px 15px;
}


.office-card-item-title {
    margin-top: 5px;
    font-size: 20px;
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 24px;
    text-align: left;
}

.office-card-item-text {
    margin-top: 35px;
    font-size: 18px;
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 24px;
    text-align: left;
}


.office-solutions {
    margin-top: 80px;
    width: 100%;
    height: 1213px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url(/img/office-background.png);
}

.office-solutions-content {
    width: 1348px;
    height: auto;
    margin: 0 auto;
}

.office-solutions-title {
    padding-top: 30px;
    font-size: 36px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 88px;
    text-align: center;
}

.office-solutions-body {
    margin-top: 50px;
    display: flex;
    justify-content: center;
}

.office-solutions-text {
    font-size: 26px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 40px;
    text-align: left;
    margin-right: 70px;
    margin-top: 30px;
}

.office-solutions-img-text {
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    font-size: 24px;
    line-height: 36px;
    width: 264px;
    text-align: center;
    margin-top: 15px;
}


.office-solutions-cards {
    margin-top: 80px;
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
}

.office-solutions-card-item {
    width: 640px;

}

.office-solutions-card-item-title {
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 36px;
    font-size: 26px;
    width: 644px;
    height: 70px;
    text-align: left;
}

.office-solutions-card-body {
    margin-top: 10px;
    width: 644px;
    height: 158px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url(/img/office-card.png);
    padding: 65px 20px 10px 20px;
    color: #fff;
}


.rental-management-solution {
    margin-top: 10px;
}

.rental-management-solution-title {
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 100px;
    font-size: 36px;
    width: 100%;
    height: 100px;
    text-align: center;
}

.rental-management-solution-body {
    display: flex;
    justify-content: center;
}

.rental-management-solution-left {
    width: 520px;
    height: 511px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url(/img/office-left-img.png);
    padding: 30px 20px 30px 20px;
}


.rental-management-solution-right {
    margin-left: 5px;
    width: 820px;
    height: auto;
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.rental-management-solution-right-item {
    padding: 20px 15px 20px 10px;
    width: 270px;
    height: 254px;
    border: 1px solid #E9F0FF;
}


.rental-management-solution-right-item-title {
    margin-top: 15px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 22px;
    font-size: 18px;
    width: 100%;
    height: 48px;
    text-align: left;
}



.rental-management-solution-right-item-text {
    margin-top: 5px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 22px;
    font-size: 16px;
    width: 100%;
    height: 24px;
    text-align: left;
}

.rental-management-solution-left-text {
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 30px;
    font-size: 20px;
    width: 100%;
    text-align: left;
}


.customized-printing-solution {
    width: 100%;
    height: 1179px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url(/img/office-back-img1.png);
    padding-top: 10px;
}

.customized-printing-solution-title {
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 80px;
    font-size: 36px;
    width: 100%;
    text-align: center;
}

.customized-printing-solution-text {
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 48px;
    font-size: 24px;
    width: 100%;
    text-align: center;
}

.customized-printing-solution-tag {
    width: 1075px;
    height: 54px;
    margin: 30px auto 0 auto;
    text-align: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url(/img/office-main-img2.png);
}

.customized-printing-solution-cards {
    margin-top: 55px;
    display: flex;
    justify-content: center;
    gap: 50px;
}

.customized-printing-solution-card {
    width: 618px;
    height: 275px;
    border-radius: 20px;
    border: 2px dashed #4da3ff;
    padding: 20px;
    display: inline-block;
    background-color: #fff;
}

.customized-printing-solution-card-title {
    color: #2694FF;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 24px;
    font-size: 24px;
    width: 100%;
    text-align: center;
}

.customized-printing-solution-card-list {
    margin-top: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.customized-printing-solution-card-text {
    width: 170px;
    height: 70px;
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 24px;
    font-size: 20px;
    background-color: #2594FF;
    padding: 12px 20px 12px 20px;
    border-radius: 10px;
}

.success-stories-title {
    margin-top: 20px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    width: 100%;
    line-height: 88px;
    height: 88px;
    font-size: 36px;
    text-align: center;
}

.success-stories-cards {
    margin: 15px auto 0 auto;
    width: 1340px;
    height: auto;
    display: flex;
    justify-content: center;
    gap: 58px;
}

.success-stories-card {
    width: 618px;
    height: 425px;
    background-color: #fff;
    border-radius: 20px;
    padding: 25px 30px 25px 30px;
}

.success-stories-card-name {
    color: #004FA5;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 48px;
    height: 48px;
    font-size: 24px;
}

.success-stories-card-desc {
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 24px;
    height: 24px;
    font-size: 18px;
}

.success-stories-card-text {
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 24px;
    font-size: 16px;
}


.open-printing-title {
    margin-top: 30px;
    color: #000;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: bold;
    line-height: 88px;
    height: 88px;
    font-size: 36px;
    text-align: center;
}