/* banner区域 */
.banner {
    width: 100%;
    height: 56rem;
    /* 增加高度以匹配图片比例 */
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: white;
    background-color: #000;
    /* 备用背景色 */
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.banner-content {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    padding: 0 2rem;
}

.banner-title {
    font-size: 5.2rem;
    /* 进一步增大标题字号 */
    font-weight: bold;
    margin-bottom: 4rem;
    letter-spacing: 0.1rem;
    line-height: 1.2;
}

.banner-subtitle {
    font-size: 1.6rem;
    /* 增大描述文字字号 */
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    text-align: justify;
}

/* 响应式调整 */
@media (max-width: 76.8rem) {
    .banner {
        height: 40rem;
    }

    .banner-title {
        font-size: 3.2rem;
        margin-bottom: 2rem;
    }

    .banner-subtitle {
        font-size: 1.4rem;
    }
}

/* 导航栏活动状态 */
.nav-item.active .nav-link {
    color: white !important;
}

.nav-item.active .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0.2rem;
    background-color: white;
}

/* 业务问题板块 */
.business-problems {
    padding: 8rem 0;
    background-color: #f8f9fa;
}

.business-problems .section-title {
    font-size: 3.6rem;
    font-weight: bold;
    text-align: left;
    color: #333;
}

.problems-container {
    overflow: hidden;
}

.problems-track {
    display: flex;
    transition: transform 0.55s ease;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.problems-page {
    flex: 0 0 100%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    padding: 2.8rem;
    gap: 2rem;
}

.problems-page.active {}

.problem-card {
    width: 47rem;
    height: 20rem;
    background-color: white;
    border-radius: 1.4rem;
    padding: 2.8rem 3rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-card.problem-card--placeholder,
.problem-card.problem-card--placeholder:hover {
    visibility: hidden;
    pointer-events: none;
    transform: none;
    box-shadow: none;
}

.problem-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: 0 0.8rem 3rem rgba(0, 0, 0, 0.12);
}

.problem-header {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    margin-bottom: 1.4rem;
}

.problem-icon {
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-circle {
    width: 4.4rem;
    height: 4.4rem;
    border-radius: 50%;
    background: linear-gradient(#ffffff, #ffffff) padding-box,
        linear-gradient(135deg, rgba(35, 167, 253, 1) 0%, rgba(253, 26, 226, 1) 100%) border-box;
    border: 0.2rem solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3A98FA;
    font-size: 1.8rem;
}

.icon-symbol {
    font-size: 2rem;
}

.problem-title {
    flex: 1;
    min-width: 0;
    font-size: 2rem;
    font-weight: 600;
    margin: 0;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.problem-description {
    font-size: 1.4rem;
    line-height: 1.6;
    color: #666;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 分页器 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 1.4rem;
}

/*应用场景*/
.application-scenarios {
    padding: 8rem 0;
    background-color: #f8f9fa;
}

.application-scenarios .section-title {
    font-size: 3.6rem;
    font-weight: bold;
    margin-bottom: 4rem;
    text-align: left;
    color: #333;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.scenario-card {
    background-color: white;
    border-radius: 1.4rem;
    padding: 2.4rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scenario-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: 0 0.8rem 3rem rgba(0, 0, 0, 0.12);
}

.scenario-title {
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: 0.6rem;
    text-align: center;
}

.scenario-description {
    font-size: 1.4rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 2.4rem;
}

.scenario-image-placeholder {
    height: 30rem;
    background-color: #EDF0F5;
    border-radius: 1rem;
}

/* 响应式调整 */
@media (max-width: 76.8rem) {
    .business-problems {
        padding: 6rem 0;
    }

    .business-problems .section-title {
        font-size: 2.8rem;
        margin-bottom: 2.8rem;
    }

    .problems-container {
        gap: 2rem;
    }

    .problem-card {
        flex: 0 0 auto;
        width: 100%;
        padding: 2.4rem 2rem;
    }

    .problems-page {
        flex-direction: column;
        justify-content: flex-start;
        gap: 2rem;
    }

    .problem-card.problem-card--placeholder {
        display: none;
    }
}

@media (min-width: 76.9rem) and (max-width: 102.4rem) {
    .problems-container {
        gap: 2rem;
    }

    .problem-card {
        flex: 0 0 32rem;
        width: 32rem;
        padding: 3.5rem 2.5rem;
    }

    .problem-title {
        font-size: 1.8rem;
    }

    .problem-description {
        font-size: 1.3rem;
    }
}

.virtual-integration-solution {
    padding: 8rem 0;
    background-color: #f8f9fa;
}

.virtual-integration-solution .section-title {
    font-size: 3.6rem;
    font-weight: bold;
    margin-bottom: 4rem;
    text-align: left;
    color: #333;
}

.integration-wrapper {
    overflow: hidden;
}

.integration-track {
    display: flex;
    transition: transform 0.55s ease;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.integration-slide {
    flex: 0 0 100%;
    width: 100%;
}

.integration-card {
    background-color: #fff;
    border-radius: 2.4rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.integration-figure {
    height: 50rem;
    flex-shrink: 0;
}

.integration-figure img {
    height: 100%;
    display: block;
    padding: 3.2rem;
    margin: 0 auto;
}

.integration-desc {
    border-top: 0.1rem solid #eef0f2;
    color: #666;
    font-size: 1.6rem;
    line-height: 1.8;
    background: #EDF0F5;
    padding: 3.2rem;
}

.virtual-integration-solution .pagination {
    margin: 1.6rem 0;
    justify-content: center;
}

@media (max-width: 76.8rem) {
    .virtual-integration-solution {
        padding: 6rem 0;
    }

    .virtual-integration-solution .section-title {
        font-size: 2.8rem;
        margin-bottom: 2.8rem;
    }

    .integration-card {
        padding: 2.2rem 2rem;
    }

    .integration-desc {
        margin-top: 1.6rem;
        padding-top: 1.6rem;
    }
}

.solution-advantages {
    padding: 8rem 0;
    background-color: #F7F8FB;
}

.solution-advantages .section-title {
    font-size: 3.6rem;
    font-weight: bold;
    margin-bottom: 4rem;
    color: #333;
}

.advantages-wrapper {
    overflow: hidden;
}

.advantages-track {
    display: flex;
    transition: transform 0.55s ease;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.advantages-slide {
    flex: 0 0 100%;
    width: 100%;
}

.advantages-panel {
    background: #fff;
    border-radius: 2.4rem;
    padding: 2.4rem;
    display: grid;
    grid-template-columns: 60rem 1fr;
    gap: 2.4rem;
    align-items: stretch;
    height: 65rem;
}

.solution-advantages .pagination {
    margin-top: 2.8rem;
}

.advantages-left {
    display: flex;
    height: 100%;
    overflow: hidden;
}

.advantages-list {
    border-radius: 0.8rem;
    overflow-y: auto;
    background: #fff;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-right: 1rem;
}

/* 自定义滚动条样式 */
.advantages-list::-webkit-scrollbar {
    width: 0.6rem;
    /* 滚动条宽度 */
}

.advantages-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    /* 轨道背景色 */
    border-radius: 0.8rem;
}

.advantages-list::-webkit-scrollbar-thumb {
    background: #ccc;
    /* 滑块颜色 */
    border-radius: 0.8rem;
}

.advantages-list::-webkit-scrollbar-thumb:hover {
    background: #aaa;
    /* 鼠标悬停时滑块颜色 */
}

.advantages-item {
    padding: 2.4rem;
    cursor: pointer;
    flex: 1;
}

.advantages-divider {
    height: 0.1rem;
    background: #A2A3A5;
    margin: 1.2rem 0;
    flex: 0 0 auto;
}

.advantages-item--highlight {
    background: #F1F6FF;
}

.advantages-item.active {
    background: #F1F6FF;
}

.advantages-item:focus-visible {
    outline: 0.2rem solid rgba(59, 130, 246, 0.55);
    outline-offset: -0.2rem;
}

.advantages-item-head {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.advantages-item-icon {
    width: 4rem;
    height: 4rem;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantages-item-icon img {
    height: 100%;
    width: 100%;
    margin-top: -1.8rem;
}

.advantages-item-meta {
    flex: 1;
    min-width: 0;
}

.advantages-item-title {
    font-size: 1.8rem;
    font-weight: 500;
    color: #111827;
    line-height: 1.25;
}

.advantages-item-tags {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.advantages-tag {
    font-size: 1.2rem;
    line-height: 1;
    padding: 0.7rem 1rem;
    border-radius: 99.9rem;
    background: #fff;
    border: 0.1rem solid #E5EAF3;
    color: #4B5563;
    white-space: nowrap;
}

.advantages-item-desc {
    margin-top: 1rem;
    font-size: 1.4rem;
    line-height: 1.8;
    color: #6B7280;
    overflow-wrap: break-word;
    /* 旧称 word-wrap: break-word; */
    word-break: normal;
}

.advantages-right {
    display: flex;
    height: 100%;
}

.advantages-diagram {
    width: 100%;
    border-radius: 1.8rem;
    background: #F6F8FD;
    padding: 2.2rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.advantages-image {
    width: 100%;
    object-fit: contain;
    opacity: 1;
    transition: opacity 0.18s ease;
}

.advantages-image.is-switching {
    opacity: 0.35;
}

@media (max-width: 102.4rem) {
    .advantages-panel {
        grid-template-columns: 1fr;
        height: auto;
    }
}

@media (max-width: 76.8rem) {
    .solution-advantages {
        padding: 6rem 0;
    }

    .solution-advantages .section-title {
        font-size: 2.8rem;
        margin-bottom: 2.8rem;
    }

    .advantages-panel {
        padding: 2rem;
        gap: 2rem;
    }

    .advantages-item {
        padding: 1.8rem 1.6rem 1.6rem;
    }

    .advantages-item-icon {
        width: 4.4rem;
        height: 4.4rem;
    }

    .advantages-diagram {
        padding: 1.2rem;
    }
}

/* 案例故事区域 */
.case-stories {
    padding: 8rem 0;
    background-color: #F7F8FB;
}

.case-stories .section-title {
    font-size: 3.6rem;
    color: #333;
    margin-bottom: 5rem;
    font-weight: bold;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.case-card {
    background: #fff;
    border-radius: 2.4rem;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.case-card:hover {
    transform: translateY(-1.2rem);
    box-shadow: 0 3rem 6rem rgba(0, 0, 0, 0.08);
}

.case-image {
    width: 100%;
    height: 30rem;
    overflow: hidden;
    position: relative;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.case-content {
    padding: 2.8rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #fff;
    margin-top: -3rem;
    border-radius: 2.4rem;
    position: relative;
    z-index: 2;
}

.case-content h3 {
    font-size: 2.4rem;
    color: #333;
    margin-bottom: 1.2rem;
    font-weight: bold;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-content p {
    font-size: 1.4rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 6rem;
    flex: 1;
    opacity: 0.9;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
    width: 100%;
}

.case-footer {
    margin-top: auto;
}

.gradient-line {
    height: 0.2rem;
    width: 100%;
    background: linear-gradient(90deg, #23A7FD 0%, #FD1AE2 100%);
    margin-bottom: 2.5rem;
    border-radius: 0.1rem;
    opacity: 0.8;
}

.case-footer .case-detail {
    display: inline-flex;
    align-items: center;
    color: #8C8C8C;
    text-decoration: none;
    font-size: 1.4rem;
    transition: all 0.3s ease;
    background: #EDF0F5;
    padding: 1rem 2.4rem;
    border-radius: 3rem;
    width: fit-content;
    font-weight: 500;
}

.case-detail:hover {
    color: #666;
    background: #E5E8ED;
}

.case-detail .arrow {
    margin-left: 0.8rem;
    font-size: 1.2rem;
    line-height: 1;
    font-weight: 400;
}

@media (max-width: 102.4rem) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 76.8rem) {
    .cases-grid {
        grid-template-columns: 1fr;
    }
}

.related-products {
    padding: 8rem 0;
    background-color: #F7F8FB;
}

.related-products .section-title {
    font-size: 3.6rem;
    font-weight: bold;
    margin-bottom: 5rem;
    color: #333;
}

.related-products-panel {
    background: #fff;
    border-radius: 2.4rem;
    padding: 5.6rem 6rem;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4rem;
    align-items: center;
}

.related-product-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease;
}


.related-product-icon {
    width: 7.2rem;
    height: 7.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.6rem;
}


.related-product-name {
    font-size: 2.2rem;
    font-weight: bold;
    color: #333;
    line-height: 1;
}

.related-product-desc {
    font-size: 1.4rem;
    color: #666;
    line-height: 1.2;
    margin-top: 1rem;
}

.related-product-btn {
    display: inline-flex;
    align-items: center;
    color: #8C8C8C;
    text-decoration: none;
    font-size: 1.4rem;
    transition: all 0.3s ease;
    background: #EDF0F5;
    padding: 1rem 2.4rem;
    border-radius: 3rem;
    width: fit-content;
    font-weight: 500;
    margin-top: 2.4rem;
}

.related-product-card:hover .related-product-btn {
    color: #666;
    background: #E5E8ED;
}

.related-product-btn .arrow {
    margin-left: 0.8rem;
    font-size: 1.2rem;
    line-height: 1;
    font-weight: 400;
}

@media (max-width: 102.4rem) {
    .related-products-panel {
        gap: 2.8rem;
        padding: 4.4rem 3.6rem;
    }
}

@media (max-width: 76.8rem) {
    .related-products-panel {
        grid-template-columns: 1fr;
        padding: 2.8rem 2rem;
        gap: 2.6rem;
    }

    .related-product-desc {
        min-height: 0;
    }
}


/* 应用价值板块 */
.business-values {
    padding: 8rem 0;
    background-color: #f8f9fa;
}

.business-values .section-title {
    font-size: 3.6rem;
    font-weight: bold;
    text-align: left;
    color: #333;
}

.business-values .section-description {
    font-size: 1.4rem;
    text-align: left;
    color: #666;
    font-weight: normal;
}

.values-container {
    overflow: hidden;
}

.values-track {
    display: flex;
    transition: transform 0.55s ease;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.values-page {
    flex: 0 0 100%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    padding: 2.8rem 0;
    gap: 2rem;
}

.values-page.active {}


.value-card {
    width: 47rem;
    min-height: 20rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 2;
    border-radius: 1.4rem;
}

.value-card.value-card--placeholder,
.value-card.value-card--placeholder:hover {
    visibility: hidden;
    pointer-events: none;
    transform: none;
    box-shadow: none;
}

.value-card:hover {
    transform: translateY(-0.5rem);
}

.value-card:hover .value-header {
    background: linear-gradient(90deg, rgba(35, 167, 253, 1) 0%, rgba(253, 26, 226, 1) 100%);
}

.value-card:hover .value-title {
    color: white;
}

.value-header {
    background-color: #EDF0F5;
    padding: 2rem 3rem 5rem;
    display: flex;
    align-items: start;
    border-radius: 1.4rem 1.4rem 0 0;
}

.value-title {
    font-size: 2rem;
    font-weight: 600;
    margin: 0;
    color: #333;
    transition: color 0.3s ease;
}

.value-content {
    background-color: #ffffff;
    padding: 2rem 3rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: flex-start;
    border-radius: 1.4rem;
    margin-top: -3rem;
}

.value-description {
    font-size: 1.4rem;
    line-height: 1.6;
    color: #666;
    margin: 0;
    text-align: justify;
}

/* 分页器 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 1.4rem;
}