body {
    cursor: default;
}

.line {
    margin: 55px 0 60px;
    border-bottom: 1px solid #BDBDBD;
}

.item1 img {
    width: 100%;
    height: 60vh;
    margin-top: 50px;
}

.red-line {
    margin: 0 0 60px;
}


/* 2222 */

.item2 {
    padding: 60px 0 150px;
    text-align: center;
}

.title {
    font-size: 35px;
}

.title2 {
    font-weight: 700;
    font-size: 18px;
    color: #a8a8a8;
}

.btm1 {
    margin-bottom: 140px!important;
}

.item2 .content {
    display: flex;
    padding: 0 15px;
}

.item2 .right,
.item2 .left {
    position: relative;
    flex: 1;
}

.item2 .left img {
    width: 100%;
    height: 100%;
    box-shadow: -39px 46px 0px 19px rgb(242 243 246);
    transition: all 1s;
}

.btm2 .left img {
    box-shadow: 46px 39px 0px 19px rgb(242 243 246);
}

.item2 .left img:hover {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 1);
}

.item2 .right {
    padding: 0px 30px;
    text-align: left;
}

.flex-title {
    font-size: 25px;
}

.flex-content {
    font-size: 16px;
    color: #777777;
    margin: 20px 0;
    text-align: justify;
}


/* 333 */

.item3 {
    padding: 100px 0 150px;
    background-color: #f5f5f7;
    text-align: center;
}

.item3 .i3-flex {
    display: flex;
    justify-content: space-between;
}

.i3-box {
    width: 31%;
    padding: 50px 0 80px;
    background-color: #fff;
}

.i3-box:hover {
    color: #4e6ad9;
    box-shadow: 3px 3px 30px 26px rgb(112 161 204 / 10%);
}

.i3-box .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    font-size: 70px;
}

.i3-box .icon3 {
    position: relative;
    top: -8px;
    font-size: 54px;
    /* font-size: 70px; */
}

.i3-title {
    font-size: 28px;
    margin: 15px 0 0px;
}

.i3-title2 {
    font-size: 18px;
    margin: 0 0 20px;
    opacity: .5;
}

.i3-text {
    font-size: 16px;
    opacity: .7;
}


/* 444 */


/* 777 */

.item7 {
    padding: 100px 0 150px;
    text-align: center;
}

.item7-contain {
    position: relative;
    height: 470px;
    font-size: 14px;
    color: #000;
    margin: 0;
    padding: 0;
}

.item7-swiper {
    padding-bottom: 70px;
}

.item7-contain .swiper {
    width: 100%;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
}

.item7-contain .swiper-slide {
    text-align: center;
    font-size: 18px;
    height: calc((100% - 30px) / 2);
    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.item7-swiper .swiper-slide img {
    width: 32%;
    height: 100%;
    margin-right: 2%;
    margin-bottom: 2%;
    border: 1px solid #bfbfbf;
}

.swiper-slide img:nth-child(6),
.swiper-slide img:nth-child(3) {
    margin-right: 0px;
}

.last img:nth-last-child(1) {
    opacity: 0;
}

.item7-contain .swiper-pagination-bullet {
    width: 50px;
    height: 5px;
    border-radius: 5px;
    position: relative;
}

.item7-contain .swiper-pagination-bullet::before {
    content: ' ';
    width: 50px;
    height: 50px;
    position: absolute;
    top: -22px;
    left: 0;
}

.item7-contain .swiper-pagination-bullet-active {
    background-color: #4E6AD9;
}

@media screen and (max-width:1500px) {
    .home {
        width: 100%;
    }
    .item7,
    .item3,
    .item2 {
        padding: 10vw 0 12vw;
    }
    .item3 .content,
    .item2 .content {
        padding: 0 2vw;
    }
    .btm1 {
        margin-bottom: 12vw!important;
    }
    /* item2 */
    .item2 .right {
        padding: 0 0 0 2vw;
    }
    .btm2 .right {
        padding: 0 2vw 0 0;
    }
    .flex-title {
        font-size: 2vw;
    }
    .flex-content {
        font-size: 1.4vw;
        margin: 1vw 0 0;
    }
    .item2 p {
        margin-bottom: 0.5vw;
    }
    .item2 .left img {
        box-shadow: -41px 43px 0px 10px rgb(242 243 246);
    }
    .btm2 .left img {
        box-shadow: 41px 43px 0px 10px rgb(242 243 246);
    }
    /* 3 */
    .i3-box {
        width: 32%;
        padding: 4vw 2vw 7vw;
    }
    .i3-box .icon {
        width: 7vw;
        height: 7vw;
        font-size: 6vw;
    }
    .i3-title {
        font-size: 2vw;
        margin: 1vw 0 0px;
    }
    .i3-title2 {
        font-size: 1vw;
        margin: 0 0 1vw;
    }
    .i3-text {
        font-size: 1.5vw;
    }
    /* 4 */
    .item7-contain {
        height: 40vw;
        padding: 0 2vw;
    }
    .item7-swiper {
        padding-bottom: 7vw;
    }
    .item7-contain .swiper-pagination-bullet {
        width: 5vw;
        height: 0.5vw;
    }
    .item7-contain .swiper-pagination-bullet::before {
        width: 5vw;
        height: 5vw;
        top: -2.5vw;
    }
}

@media screen and (min-width: 992px) {
    /* 固定导航栏的当前页面选项 */
    .navbar-light .navbar-nav .nav-link.active {
        position: static;
    }
}

@media screen and (max-width: 992px) {
    .item7,
    .item3,
    .item2 {
        padding: 15vw 0 20vw;
    }
    .item2 .content {
        flex-direction: column;
    }
    .item2 .btm2 {
        flex-direction: column-reverse;
    }
    .item2 .left {
        margin-bottom: 5vw;
    }
    .item3 .content,
    .item2 .content {
        padding: 0 5vw;
    }
    .item2 .right {
        padding: 0;
        z-index: 10;
    }
    .flex-title {
        font-size: 4vw;
    }
    .flex-content {
        font-size: 2vw;
        margin: 2vw 0 0;
    }
    .item2 p {
        margin-bottom: 1vw;
    }
    .item2 .left img {
        box-shadow: -39px 46px 0px 19px rgb(242 243 246);
    }
    .btm2 .left img {
        box-shadow: 39px 46px 0px 19px rgb(242 243 246);
    }
    /* 3 */
    .i3-box {
        padding: 3vw 2vw 5vw;
    }
    .i3-box .icon {
        width: 8vw;
        height: 8vw;
        font-size: 7vw;
    }
    .i3-box .icon3 {
        top: -6px;
        font-size: 5.5vw;
    }
    .i3-title {
        font-size: 3vw;
    }
    .i3-text {
        font-size: 1.7vw;
    }
    .i3-box:hover {
        box-shadow: 3px 3px 18px 15px rgb(112 161 204 / 10%);
    }
}

@media screen and (max-width: 445px) {
    .item7,
    .item3,
    .item2 {
        padding: 22vw 0 20vw;
    }
    .item2 .left {
        margin-bottom: 15vw;
    }
    .item2 .left img {
        box-shadow: -15vw 10vw 0px 2vw rgb(242 243 246);
    }
    .btm2 .left img {
        box-shadow: 15vw 10vw 0px 2vw rgb(242 243 246);
    }
    .flex-title {
        font-size: 5vw;
    }
    .flex-content {
        font-size: 3vw;
        margin: 3vw 0 0;
    }
    .item2 p {
        margin-bottom: 3vw;
    }
    .item3 .i3-flex {
        flex-direction: column;
    }
    .i3-box {
        width: 100%;
        margin-bottom: 2vw;
        display: flex;
        padding: 5vw 3vw;
    }
    /* 3 */
    .item3 .content {
        padding: 0 2vw;
    }
    .i3-box .icon {
        width: 13vw;
        height: auto;
        font-size: 10vw;
    }
    .i3-box .icon3 {
        font-size: 7.5vw;
        top: -3px;
    }
    .i3-title {
        font-size: 5vw;
        line-height: 13vw;
        text-align: left;
    }
    .i3-title2 {
        font-size: 0.5vw;
        line-height: 10vw;
        width: 12vw;
        text-align: left;
    }
    .i3-text {
        flex: 5;
        text-align: left;
        margin-left: 10vw;
        height: 15vw;
        padding: 2vw 0;
        font-size: 4vw;
    }
    .i3-flex>.i3-box:nth-child(3) .i3-text {
        margin-left: 6vw;
        padding: 4vw 0;
    }
    /* 4 */
    .item7-contain .swiper-pagination-bullet {
        width: 10vw;
        height: 1vw;
    }
    .item7-contain .swiper-pagination-bullet::before {
        width: 10vw;
        height: 10vw;
        top: -5vw;
    }
}