.sec:nth-child(2n) {
    background: #F9FAFF;
}

.sec .sec-btn {
    width: 369px;
    height: 50px;
    margin: 60px auto 0;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-radius: 15px;
    box-shadow: 0px 7px 14px 0px #e8eaf4;
}

.sec .sec-btn .btn-left {
    width: 100%;
    background: #004BE1;
    color: #fff;
    line-height: 50px;
    font-size: 16px;
    padding-left: 20px;
}

.sec .sec-btn .btn-right {
    width: 100px;
    height: 46px;
    background: #fff;
    position: absolute;
    right: 2px;
    top: 2px;
    color: #004BE1;
    font-size: 16px;
    line-height: 48px;
    vertical-align: middle;
    border-radius: 0px 6px 6px 0;
    text-align: left;
    z-index: 1;
}

.sec .sec-btn .btn-right::before {
    content: '';
    display: block;
    width: 46px;
    height: 46px;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: -1;
    transform: translateX(-20px) skewX(-20deg);
    background: #fff;
    border: none;
}

.sec .sec-btn .btn-right img {
    width: 16px;
    vertical-align: middle;
    margin-left: 10px;
}

.sec1 .item-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sec1 .item {
    width: 321px;
}

.sec1 .item .img-box {
    width: 70%;
    height: 220px;
}

.sec1 .item .title {
    margin-top: 28px;
    font-weight: 600;
    color: #333;
    line-height: 33px;
    font-size: 24px;
    text-align: center;
}

.sec1 .item .desc {
    font-size: 16px;
    color: #666;
    line-height: 22px;
    margin-top: 10px;
    text-align: center;
}

.sec2 .solution-list {
    margin-top: 54px;
    box-shadow: 0px 2px 12px 0px rgba(0, 0, 0, 0.13);
    background: #fff;
}

.sec2 .solution-list li {
    width: 400px;
    height: 87px;
    display: flex;
    align-items: center;
    border: 1px solid #D8E1F3;
    margin-bottom: -1px;
    float: left;
    border-right: none;
    font-size: 18px;
    color: #333;
    padding-left: 40px;
    box-sizing: border-box;
}

.sec2 .solution-list li:nth-child(3n) {
    border-right: 1px solid #D8E1F3;
}

.sec2 .solution-list li img {
    width: 19px;
    margin-right: 8px;
}

.sec3-head {
    padding: 0 53px;
    position: relative;
}

.sec3-head .reaction-bottom-dot {
    width: 50px;
    height: 4px;
    background-color: #004BE1;
    border-radius: 2px;
    position: absolute;
    bottom: 0px;
    left: 0;
    display: none;
    transition: all .5s;
}

.sec3-head li {
    font-size: 18px;
    color: #666;
    line-height: 25px;
    padding-bottom: 15px;
    margin: 0 39px;
    cursor: pointer;
}

.sec3-head li.active {
    color: #004BE1;
    margin-left: 15px;
}

.sec3-body .swiper-slide {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #F9FAFF;
    padding: 50px;
}

.sec3-body .swiper-slide .left {
    flex-shrink: 0;
}

.sec3-body .swiper-slide .left img {
    height: 489px; 
}

.sec3-body .swiper-slide .right .title {
    font-size: 20px;
    color: #333;
    font-weight: 600;
    line-height: 28px;
}

.sec3-body .swiper-slide .right .desc {
    font-size: 16px;
    color: #666;
    line-height: 24px;
    margin-top: 14px;
}

.sec3-body .swiper-slide .right .icon-box {
    width: 537px;
    border-top: solid 1px #E7E7E7;
    border-bottom: solid 1px #E7E7E7;
    padding: 30px 0 55px;
    display: flex;
    justify-content: space-between;
    text-align: center;
    margin-top: 57px;
}

.sec3-body .swiper-slide .right .icon-box .icon-item img {
    width: 64px;
    height: 64px;
}

.sec3-body .swiper-slide .right .icon-box .icon-item p {
    font-size: 16px;
    color: #333;
    line-height: 22px;
}

.sec4 .sec-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sec4 .sec-content .left li {
    width: 415px;
    height: 170px;
    padding: 40px;
    cursor: pointer;
    border: solid 1px #D8E1F3;
}

.sec4 .sec-content .left li.active {
    background: #5A95F2;
}

.sec4 .sec-content .left li:first-child {
    border-radius: 12px 12px 0 0 ;
}

.sec4 .sec-content .left li:last-child {
    border-radius: 0 0 12px 12px;
}

.sec4 .sec-content .left li .title {
    font-size: 20px;
    color: #000;
    font-weight: 600;
    line-height: 28px;
}

.sec4 .sec-content .left li .desc {
    font-size: 18px;
    color: #444;
    line-height: 25px;
    margin-top: 10px;
}

.sec4 .sec-content .left li.active .title,
.sec4 .sec-content .left li.active .desc {
    color: #fff;
}

.sec4 .sec-content .right {
    width: 685px;
}

.sec5 .item-container .item {
    width: 388px;
    height: 154px;
    box-shadow: 0px 2px 10px 0px rgba(168, 188, 220, 0.5);
    border-radius: 6px;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 18px;
    transition: all .5s;
    float: left;
    margin-top: 30px;
    cursor: pointer;
}

.sec5 .item-container .item:hover {
    transform: translateY(-10px);
}

.sec5 .item-container .item:nth-child(-n + 3) {
    margin-top: 0;
}

.sec5 .item-container .item:nth-child(3n) {
    margin-right: 0;
}

.sec5 .item-container .item .img-box {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    margin-right: 20px;
}

.sec5 .item-container .item .title {
    font-size: 20px;
    color: #000;
    line-height: 28px;
    font-weight: 600;
}

.sec5 .item-container .item .desc {
    font-size: 16px;
    color: #666;
    line-height: 22px;
    margin-top: 10px;
}