.about-introduce .app-about-title {
    padding: 40px 0;
}

.app-about-title h3 {
    font-size: 24px;
    line-height: 34px;
    font-weight: bold;
    text-align: center;
}

.app-about-title p {
    font-size: 16px;
    line-height: 30px;
    margin: 15px 0 0;
    text-align: center;
}

@media (min-width: 992px) {
    .about-introduce .app-about-title {
        padding: 68px 0;
    }

    .app-about-title h3 {
        line-height: 44px;
        font-size: 30px;
    }

    .app-about-title p {
        font-size: 20px;
        line-height: 34px;
    }
}

.about-introduce {
    width: 100%;
    overflow: hidden;
    padding: 0 0 40px;
    background: url(../images/about-introduce.jpg) no-repeat center;
    background-size: cover;
}

.about-introduce .about-introduce-content {
    padding: 0 0 30px;
}

.about-introduce .about-introduce-content .content {
    margin: 0 0 30px;
}

.about-introduce .about-introduce-content .dimg {
    overflow: hidden;
    width: 100%;
}

.about-introduce .about-introduce-content .dimg img {
    width: 100%;
    border-radius: 20px;
    display: block;
}

.about-introduce .about-introduce-content .title {
    font-size: 24px;
    font-weight: 500;
    line-height: 40px;
    padding: 20px 0 0;
    position: relative;
}

.about-introduce .about-introduce-content .title::after {
    content: '';
    width: 30px;
    height: 27px;
    position: absolute;
    left: 5px;
    top: -13px;
    background: url(../images/introduce-icon.png) no-repeat;
    background-size: cover;
}


.about-introduce .about-introduce-content .parameter {
    display: flex;
     margin: 25px 0 20px;
}

.about-introduce .about-introduce-content .parameter .item {
    width: 200px;
}

.about-introduce .about-introduce-content .parameter p {
    font-size: 20px;
    line-height: 30px;
}

.about-introduce .about-introduce-content .parameter h3 {
    font-size: 24px;
    font-weight: bold;
    margin: 10px 0 0;
    line-height: 28px;
}

.about-introduce .about-introduce-dimg .item {
    width: 100%;
    margin: 0 0 30px;
}

.about-introduce .about-introduce-dimg .item:last-child {
    margin: 0;
}

.about-introduce .about-introduce-dimg .item img {
    width: 100%;
    border-radius: 10px;
    display: block;
}

.about-introduce .about-introduce-dimg .item p {
    text-align: center;
    font-size: 16px;
    line-height: 20px;
    font-weight: 500;
    margin: 18px 0 0;
}

@media (min-width: 576px) {
    .about-introduce .about-introduce-dimg {
        display: flex;
    }

    .about-introduce .about-introduce-dimg .item {
        margin: 0 15px 0 0;
    }
}

@media (min-width: 768px) {
    .about-introduce .about-introduce-dimg .item {
        margin: 0 20px 0 0;
    }

    .about-introduce .about-introduce-content {
        padding: 0 0 30px;
    }

    .about-introduce .about-introduce-content .dimg {
        margin-left: auto;
    }
}

@media (min-width: 992px) {
    .about-introduce {
        padding: 0 0 50px;
    }

    .about-introduce .about-introduce-content {
        padding: 0 0 55px;
        align-items: flex-start;
        display: flex;
        align-items: center;
    }

    .about-introduce .about-introduce-content .title {
        font-size: 30px;
        line-height: 46px;
    }
    
    .about-introduce .about-introduce-content .parameter .item {
        width: 33.3333%;
    }

    .about-introduce .about-introduce-content .parameter h3 {
        font-size: 30px;
        line-height: 34px;
    }

    .about-introduce .about-introduce-content .dimg {
        width: 470px;
        flex: 0 0 auto;
        margin-left: 30px;
    }

    .about-introduce .about-introduce-dimg {
        justify-content: space-between;
    }

    .about-introduce .about-introduce-dimg .item {
        width: 290px;
        margin: 0;
    }
}

@media (min-width: 1200px) {
    .about-introduce .about-introduce-content .dimg {
        width: 620px;
    }

    .about-introduce .about-introduce-content .parameter {
        margin: 45px 0 38px;
    }
}





.about-teamwork {
    width: 100%;
    overflow: hidden;
    padding: 50px 0 40px;
    background: url(../images/about-teamwork.jpg) no-repeat center;
    background-size: cover;
}

.about-teamwork .about-teamwork-content {
    margin: 36px 0 0;
}

.about-teamwork .about-teamwork-content .row {
    margin: 0 -10px;
}

.about-teamwork .about-teamwork-content .row .col {
    padding: 0 10px;
    margin: 0 0 20px;
}

.about-teamwork .about-teamwork-content .item {
    width: 100%;
    height: 180px;
    border-radius: 10px;
    padding: 25px 0 0 36px;
    font-weight: 500;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.about-teamwork .about-teamwork-content .item h3 {
    font-size: 22px;
    line-height: 32px;
    font-weight: 500;
}

.about-teamwork .about-teamwork-content .item p {
    line-height: 20px;
    font-size: 14px;
    margin: 8px 0 0;
    font-weight: 500;
}

.about-teamwork .about-teamwork-content .list {
    line-height: 30px;
    display: flex;
    width: 260px;
    flex-wrap: wrap;
    margin: 5px 0 0;
}

.about-teamwork .about-teamwork-content .list span {
    width: 130px;
    padding-right: 10px;
    padding-left: 20px;
    position: relative;
}

.about-teamwork .about-teamwork-content .list span::after {
    content: '';
    width: 14px;
    height: 14px;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    background: url(../images/tips.png) no-repeat center;
    background-size: cover;
}



.about-course {
    overflow: hidden;
    padding: 40px 0 60px;
}

.about-course .about-course-content {
    margin: 60px 0 0;
}

#about-course-date {
    margin: 0 40px;
}

#about-course-date .swiper-slide {
    width: 100px;
    cursor: pointer;
}

#about-course-date .line {
    display: flex;
    height: 25px;
    align-items: center;
}

#about-course-date .line .l {
    height: 1px;
    flex: 1;
    background: #a8a8a8;
}

#about-course-date .line .icon {
    width: 25px;
    height: 25px;
    display: flex;
    margin: 0 14px;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background: transparent;
}

#about-course-date .line .icon i {
    width: 17px;
    height: 17px;
    display: block;
    border-radius: 50%;
    position: relative;
    border: 1px solid #9fa1a6;
    background: #ecf3ff;
}

#about-course-date .swiper-slide-thumb-active .line .icon i {
    border-color: #175cff;
}

#about-course-date .swiper-slide-thumb-active .line .icon i::after {
    content: '';
    width: 8px;
    height: 8px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    position: absolute;
    background: #175cff;
}

#about-course-date .swiper-slide-thumb-active .line .icon {
    background: #ecf3ff;
}

#about-course-date .swiper-slide-thumb-active .date {
    color: #175cff;
}

#about-course-date .date {
    text-align: center;
    color: #a9a8a8;
    font-size: 16px;
    line-height: 24px;
    margin: 10px 0 0;
    text-align: center;
}

#about-course-list {
    margin: 55px 0 0;
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(to right, #006cff, #4292ff, #006cff);
}

#about-course-list .swiper-slide {
    height: 200px;
    padding: 50px 0;
    overflow: hidden;
}

#about-course-list .swiper-slide .text {
    font-size: 18px;
    text-align: center;
    padding: 0 50px;
    color: #ffffff;
    line-height: 36px;
    opacity: 0;
    transition: all .4s;
    position: relative;
    z-index: 9;
    transform: translateY(-100px);
}

#about-course-list .swiper-slide .year {
    color: #006cff;
    opacity: 0.6;
    line-height: 140px;
    position: absolute;
    width: 100%;
    bottom: -40px;
    text-align: center;
    font-size: 180px;
    opacity: 0;
    transition: all .4s;
    transform: translateY(100px);
}

#about-course-list .swiper-slide.ani-slide .text,
#about-course-list .swiper-slide.ani-slide .year {
    transform: translateY(0);
    opacity: 1;
}

#about-course-list .swiper-next,
#about-course-list .swiper-prev {
    width: 30px;
    height: 30px;
    position: absolute;
    top: 50%;
    z-index: 99;
    transform: translateY(-50%);
}

#about-course-list .swiper-next {
    background: url(../images/next.png) no-repeat center;
    background-size: cover;
    right: 20px;
}

#about-course-list .swiper-prev {
    background: url(../images/prev.png) no-repeat center;
    background-size: cover;
    left: 20px;
}

#about-course-list .swiper-wrapper {
    transition-delay: .3s;
}

@media (min-width: 992px) {
    .about-course {
        padding: 50px 0 80px;
    }
    
    #about-course-list .swiper-slide .text {
        font-size: 22px;
    }
}




.about-opinion {
    width: 100%;
    height: 584px;
    padding: 50px 0 0;
    background: url(../images/about-opinion.jpg) no-repeat center;
    background-size: cover;
}

.about-opinion .common-title h3 {
    line-height: 40px;
}

.about-opinion .about-opinion-content {
    margin: 50px 0 0;
    height: 444px;
    position: relative;
}

.about-opinion .about-opinion-content i {
    width: 48px;
    height: 48px;
    display: block;
    position: absolute;
    background: url(../images/about-opinion-i.png) no-repeat center;
    background-size: cover;
}

.about-opinion .about-opinion-content i:nth-child(1) {
    width: 24px;
    height: 24px;
    left: 4.3636%;
    top: 317px;
}

.about-opinion .about-opinion-content i:nth-child(2) {
    left: 14.1818%;
    top: 285px;
    background-image: url(../images/about-opinion-i1.png);
}

.about-opinion .about-opinion-content i:nth-child(3) {
    top: 45px;
    left: 39.7272%;
}

.about-opinion .about-opinion-content i:nth-child(4) {
    top: 115px;
    left: 59.8181%;
}

.about-opinion .about-opinion-content .item {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    cursor: pointer;
    justify-content: center;
    font-size: 16px;
    font-weight: 500;
    line-height: 20px;
    color: #ffffff;
    transition: all .3s;
    position: absolute;
    background: url(../images/about-opinion-item.png) no-repeat center;
    background-size: cover;
}

.about-opinion .about-opinion-content .item:hover {
    transform: scale(1.3);
}

.about-opinion .about-opinion-content .item:nth-child(5) {
    left: 6.27272%;
    top: 31px;
}

.about-opinion .about-opinion-content .item:nth-child(6) {
    left: 22.9090%;
    top: 108px;
    background-image: url(../images/about-opinion-item2.png);
}

.about-opinion .about-opinion-content .item:nth-child(7) {
    left: 35%;
    top: 205px;
    background-image: url(../images/about-opinion-item1.png);
}

.about-opinion .about-opinion-content .item:nth-child(8) {
    left: 57.5454%;
    top: 153px;
}

@media (min-width: 992px) {
    .about-opinion .about-opinion-content .item {
        font-size: 20px;
        line-height: 24px;
        width: 120px;
        height: 120px;
    }

    .about-opinion .about-opinion-content .item:nth-child(8) {
        left: 47.5454%;
    }
}



.about-service {
    width: 100%;
    padding: 50px 0 46px;
    overflow: hidden;
    background: url(../images/about-service.jpg) no-repeat center;
    background-size: cover;
}

.about-service .about-service-content {
    padding: 35px 0 0;
}

.about-service .about-service-content .row {
    margin: 0 -7px;
}

.about-service .about-service-content .row .col {
    padding: 0 7px;
    margin: 0 0 14px;
}

.about-service .about-service-content .item {
    padding: 30px 20px;
    border-radius: 10px;
    height: 100%;
    min-height: 250px;
    background: #ffffff;
}

.about-service .about-service-content .item .title {
    padding: 0 0 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e3f2fe;
}

.about-service .about-service-content .item .title .icon {
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
}

.about-service .about-service-content .item .title .icon img {
    display: block;
    height: 30px;
}

.about-service .about-service-content .item .title h3 {
    color: #343434;
    font-size: 18px;
    font-weight: 500;
    line-height: 30px;
    margin: 0 6px 0 8px;
}

.about-service .about-service-content .item .title span {
    background: #e3f2fe;
    border: 1px solid #7bb3ff;
    width: 40px;
    height: 20px;
    font-size: 12px;
    line-height: 18px;
    color: #006cff;
    border-radius: 4px;
    text-align: center;
}

.about-service .about-service-content .item .content {
    margin: 10px 0 0;
    overflow: hidden;
    height: calc(100% - 61px);
}

.about-service .about-service-content .item .content h3 {
    font-weight: bold;
    font-size: 14px;
    line-height: 28px;
    color: #343434;
    background: #ffffff;
    margin: 0 0 0 5px;
}

.about-service .about-service-content .item .content .cont {
    overflow: hidden;
    height: calc(100% - 33px);
    position: relative;
}

.about-service .about-service-content .item .content .desc {
    font-size: 14px;
    line-height: 24px;
    transition: all .5s;
    height: 100%;
}

.about-service .about-service-content .item .content .more {
    display: block;
    width: 99.99%;
    height: 30px;
    text-align: center;
    line-height: 28px;
    color: #006cff;
    border-radius: 4px;
    border: 1px solid #006cff;
    transition: all .5s;
    transform: translateY(60px);
}

.about-service .about-service-content .item:hover .desc{
    transform: translateY(-100%);
}
.about-service .about-service-content .item:hover .more {
    transform: translateY(-30px);
}
@media (min-width: 1280px) {
    .app-header {
        position: relative;
    }
}