.introduceBox .bigTit {
    font-weight: 500;
    font-size: 40px;
    color: #1B1E24;
    margin-bottom: 30px;
    text-align: center;
}

.introduceBox .littleTit {
    width: 650px;
    max-width: 90%;
    text-align: center;
    font-weight: 400;
    font-size: 20px;
    color: #99A6BC;
}

.introduceOne {
    width: 1400px;
    max-width: 100%;
    padding: 160px 20px 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

.functionList {
    width: 100%;
    margin: 50px 0 40px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    font-weight: 400;
    font-size: 20px;
    color: #333333;
}

.functionItem {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 200px;
    height: 56px;
    background: #F1F4FB;
    border-radius: 4px;
    font-size: inherit;
    color: inherit;
}

.functionIconBox {
    position: relative;
    width: 30px;
    height: 30px;
    margin-right: 8px;
    flex-shrink: 0;
}

.functionIcon {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 30px;
}

.functionActive {
    background-color: #2871FF;
    color: #FFFFFF;
}

/* ★ 关键：functionInfoBox 始终保持左右排列 */
.functionInfoBox {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    gap: 40px;
    align-items: stretch;
    height: 100%;
}

.functionInfoImg {
    width: 600px;
    max-width: 45%;
    height: auto;
    object-fit: cover;
    border-radius: 18px;
    flex-shrink: 0;
}

.functionInfo {
    flex: 1;
    min-width: 0;
}

.functionInfo .functionInfoTit {
    font-weight: 500;
    font-size: 30px;
    color: #000000;
}

.functionInfo .functionInfoTit .tip {
    font-weight: 400;
    font-size: 26px;
    color: #2871FF;
    margin-right: 3px;
}

.functionTipTit {
    position: relative;
    padding: 15px 0 30px;
    font-weight: 400;
    font-size: 18px;
    color: #99A6BC;
    border-bottom: 1px solid #F0F2F7;
}

.functionTipTit .tipLine {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 3px;
    background: #202124;
}

.functionInfoItem {
    display: flex;
    font-weight: 400;
    font-size: 20px;
    color: #333333;
    margin-top: 30px;
    align-items: flex-start;
}

.functionInfoItemImg {
    width: 24px;
    height: 24px;
    margin-right: 10px;
    flex-shrink: 0;
    margin-top: 2px;
}

.functionInfoItem p {
    flex: 1;
}

.functionInfoBtn {
    width: 142px;
    height: 48px;
    text-align: center;
    line-height: 48px;
    background: #2871FF;
    border-radius: 5px;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    margin-top: 50px;
}

.introduceTwo {
    width: 1400px;
    max-width: 100%;
    padding: 8px 20px 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

/* ★ 关键：showUseBox 始终保持左右排列 */
.showUseBox {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-top: 50px;
    gap: 20px;
    width: 100%;
}

.showUseList {
    width: 560px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    flex-shrink: 0;
}

.showUseItem {
    width: 268px;
    height: 266px;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.showUseItemImg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.showUseItemInfo {
    position: absolute;
    top: 30px;
    left: 20px;
    right: 20px;
    bottom: 20px;
}

.showUseTit {
    font-weight: 500;
    font-size: 17px;
    color: #000000;
}

.showUseTip {
    font-weight: 400;
    font-size: 12px;
    color: #99A6BC;
    line-height: 21px;
}

.showUseVideo {
    width: 764px;
    max-width: 55%;
    height: 554px;
    flex-shrink: 0;
    background: #AAAAAA;
    border-radius: 18px;
}

.introduceThree {
    width: 100%;
    background-image: -webkit-linear-gradient(#F1F9FD, #FBFCFF);
    padding: 120px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.caseBlock {
    width: 1400px;
    max-width: 90%;
    display: flex;
    flex-direction: row;
    align-items: center;
    margin: 50px auto 60px;
    padding: 0 20px;
    box-sizing: border-box;
}

.casePrebtn {
    width: 45px;
    height: 45px;
    cursor: pointer;
    flex-shrink: 0;
}

.caseNextBtn {
    width: 45px;
    height: 45px;
    cursor: pointer;
    flex-shrink: 0;
}

.caseBtnDisabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.caseDetailBox {
    flex: 1;
    min-width: 0;
    height: 464px;
    overflow: hidden;
    background: #FFFFFF;
    box-shadow: 0px 6px 12px 1px rgba(0, 0, 0, 0.16);
    border-radius: 18px;
    margin: 0 30px;
}

.caseImage {
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
}

.caseMoreBtn {
    width: 142px;
    height: 40px;
}

.introduceFour {
    width: 100%;
    background-color: #0A166B;
    padding: 120px 0;
    overflow: hidden;
}

.introduceFour .bigTit {
    font-weight: 500;
    font-size: 40px;
    color: #FFFFFF;
    text-align: center;
    margin-bottom: 40px;
    padding: 0 20px;
}

.solutionTitList {
    width: 1200px;
    max-width: 90%;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 24px;
    align-items: center;
    border-bottom: 1px solid #565D9E;
    font-weight: 400;
    font-size: 16px;
    color: #A7ACC7;
}

.solutionTit {
    white-space: nowrap;
    padding: 18px 8px;
    position: relative;
    cursor: pointer;
}

.solutionTitActive::after {
    content: ' ';
    position: absolute;
    left: 3px;
    right: 3px;
    bottom: 0;
    height: 3px;
    background: #FFFFFF;
}

.swiper-container {
    width: 100%;
    position: relative;
}

.carousel-container {
    width: 1805px;
    max-width: 90%;
    height: 350px;
    margin: 60px auto 0;
    cursor: grab;
    overflow: hidden;
}

.swiper-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 20%;
    height: 100%;
    background: linear-gradient(90deg,
            #0A166B 0%,
            #0A166B 20.11%,
            rgba(10, 22, 107, 0) 100%);
    z-index: 10;
    pointer-events: none;
}

.swiper-container::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 20%;
    height: 100%;
    background: linear-gradient(270deg,
            #0A166B 0%,
            #0A166B 20.11%,
            rgba(10, 22, 107, 0) 100%);
    z-index: 10;
    pointer-events: none;
}

.carousel-container.dragging {
    cursor: grabbing;
}

.carousel-track {
    display: flex;
    width: max-content;
    height: 100%;
    will-change: transform;
}

.carousel-track.transition {
    transition: transform 0.4s cubic-bezier(0.15, 0.9, 0.25, 1);
}

.carousel-track .slide {
    width: 705px;
    height: 350px;
    margin-right: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
}

.carousel-track .carouselTrackImg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}