html,
body {
    min-width: 1400px;
}

.banner {
    position: relative;
    width: 100%;
}

.banner img {
    width: 100%;
}

.banner-btn-left {
    width: 7.82%;
    min-width: 120px;
    height: 40px;
    border-radius: 5px;
    line-height: 40px;
    background-color: #0484ff;
    color: #fff;
    font-size: 18px;
    text-align: center;
    position: absolute;
    top: 71%;
    left: 18.75%;
}


.banner-btn-left:hover {
    background-color: #2a97ff;
    cursor: pointer;
}

.banner-btn-right {
    width: 7.82%;
    min-width: 120px;
    height: 40px;
    border-radius: 5px;
    line-height: 40px;
    background-color: #fac64f;
    color: #b15300;
    font-size: 18px;
    text-align: center;
    position: absolute;
    top: 71%;
    left: 28%;
}


.banner-btn-right:hover {
    background-color: #b15300;
    color: #fff;
    cursor: pointer;
}

.tddesign-block .white-block-bg {
    background-color: #fff;
}

.tddesign-block .title-area {
    position: relative;
    height: 40px;
    margin: 105px auto 0;
    width: fit-content;
}

.tddesign-block .title-text {
    font-size: 36px;
    height: 40px;
    line-height: 40px;
    font-weight: bold;
}

.tddesign-block .title-bar {
    position: absolute;
    background-color: #51555a;
}

.title-bar.title-bar-left-hor {
    width: 360px;
    height: 2px;
    top: -20px;
    left: -290px;
}

.title-bar.title-bar-left-ver {
    width: 2px;
    height: 80px;
    bottom: 0px;
    left: -30px;
}

.title-bar.title-bar-right-hor {
    width: 360px;
    height: 2px;
    bottom: -20px;
    right: -290px;
}

.title-bar.title-bar-right-ver {
    width: 2px;
    height: 80px;
    top: 0px;
    right: -30px;
}

.tddesign-block-content-1 {
    margin: 80px auto;
    width: 1048px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.tddesign-block-content-1 .flex-item {
    width: 226px;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #fff;
}

.tddesign-block-content-1 .flex-item.green-bg {
    background-color: #00dabe;
}

.tddesign-block-content-1 .flex-item.blue-bg {
    background-color: #5297ff;
}

.tddesign-block-content-1 .flex-item.yellow-bg {
    background-color: #e8c352;
}

.tddesign-block-content-1 .flex-item.pink-bg {
    background-color: #ff7877;
}

.type-of-people-icon.gra {
    width: 127px;
    height: 75px;
    background: url('../img/sprite.png') no-repeat;
    margin-top: 43px;
    margin-bottom: 35px;
}

.type-of-people-icon.none-ex {
    width: 90px;
    height: 91px;
    background: url('../img/sprite.png') no-repeat;
    background-position-x: -128px;
    margin-top: 29px;
    margin-bottom: 33px;
}

.type-of-people-icon.diverted {
    width: 101px;
    height: 91px;
    background: url('../img/sprite.png') no-repeat;
    background-position-x: -225px;
    margin-top: 29px;
    margin-bottom: 33px;
}

.type-of-people-icon.promote {
    width: 74px;
    height: 96px;
    background: url('../img/sprite.png') no-repeat;
    background-position-x: -335px;
    margin-top: 37px;
    margin-bottom: 20px;
}

.type-of-people-title {
    font-size: 36px;
    height: 36px;
    line-height: 36px;
}

.type-of-people-desc {
    margin-top: 24px;
    padding: 0 5px;
    font-size: 14px;
    line-height: 24px;
    text-align: center;
}

.contact-btn-1 {
    width: 324px;
    height: 78px;
    line-height: 81px;
    margin: 60px auto 70px;
    border-radius: 10px;
    background-color: #0484ff;
    border: 2px solid #0484ff;
    text-align: center;
    font-size: 30px;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}

.contact-btn-1:hover {
    border: 2px solid #2a97ff;
    background-color: #2a97ff;
}

.banner-why {
    width: 100%;
    height: 230px;
    background: url('../img/banner_why.png') no-repeat;
    background-size: contain;
    background-position: center;
}

.block-bg-adv {
    width: 100%;
    height: 785px;
    background: url('../img/block_bg_adv.png') no-repeat;
    background-size: contain;
    background-position: center;
    padding-top: 1px;
    position: relative;
}

.block-bg-adv .block-content {
    width: 1200px;
    position: absolute;
    top: 216px;
    left: 50%;
    transform: translateX(-50%);
}

.block-bg-adv #advantages {
    width: 634px;
    height: 403px;
    position: absolute;
    top: 30px;
    left: 0;
}

#advantages .advantage-item {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#advantages #adv-swiper-pagination {
    position: absolute;
    z-index: 10000;
    left: 50%;
    width: fit-content;
    transform: translateX(-50%);
    bottom: 10%;
}

#advantages .swiper-pagination-bullet-active {
    width: 24px;
    height: 6px;
    border-radius: 3px;
    background-color: #fff;
}


#advantages .swiper-pagination-bullet {
    background-color: #fff;
    opacity: 1;
}

.block-bg-adv .advantages-desc-area {
    display: flex;
    flex-direction: column;
    position: absolute;
    width: fit-content;
    right: 35px;
    top: 48px;
}

.advantages-desc-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    height: 92px;
    border-bottom: 1px solid #e1e2e3;
    width: 460px;
    padding-left: 20px;
}

.advantages-desc-item:last-child {
    border: 0;
}

.advantages-desc-icon.icon1 {
    width: 49px;
    height: 41px;
    background: url('../img/sprite.png') no-repeat;
    background-position-x: -411px;
}

.advantages-desc-icon.icon2 {
    width: 53px;
    height: 54px;
    background: url('../img/sprite.png') no-repeat;
    background-position-x: -460px;
}

.advantages-desc-icon.icon3 {
    width: 55px;
    height: 43px;
    background: url('../img/sprite.png') no-repeat;
    background-position-x: -515px;
}

.advantages-desc-icon.icon4 {
    width: 48px;
    height: 50px;
    background: url('../img/sprite.png') no-repeat;
    background-position-x: -571px;
}

.advantages-desc-item .advantages-desc-item-right {
    margin-left: 16px;
    height: 58px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.advantages-desc-item-right .advantages-desc-item-title {
    font-size: 30px;
    height: 30px;
    line-height: 30px;
    color: #333333;
}

.advantages-desc-item-right .advantages-desc-item-desc {
    font-size: 14px;
    height: 14px;
    line-height: 14px;
    color: #333;
}

.tddesign-block.career-block {
    width: 100%;
    height: 946px;
    background-color: #f6f6f6;
    position: relative;
}

.career-block .banner-career {
    width: 100%;
    height: 320px;
    background: url('../img/banner_career.png') no-repeat;
    background-size: contain;
    background-position: center;
}

.career-block .career-chart {
    width: 1000px;
    height: 518px;
    background: url('../img/career_chart.png') no-repeat;
    background-size: contain;
    position: absolute;
    top: 226px;
    left: 50%;
    transform: translateX(-50%);
}

.career-block .contact-btn-2 {
    width: 328px;
    height: 80px;
    line-height: 80px;
    text-align: center;
    border-radius: 10px;
    border: 2px solid #0484ff;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 70px;
    font-size: 30px;
    color: #0484ff;
    font-weight: bold;
    cursor: pointer;
}

.career-block .contact-btn-2:hover {
    border: 2px solid #2a97ff;
    background-color: #2a97ff;
    color: #fff;
}

.banner-teachers {
    width: 100%;
    height: 180px;
    background: url('../img/banner_teachers.png') no-repeat;
    background-size: contain;
    background-position: center;
}

.tddesign-block.teachers-block {
    width: 100%;
    height: 600px;
    background-color: #f0f6ff;
    position: relative;
}

.teachers-block .teachers-block-content {
    width: 1160px;
    height: 460px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.teachers-block .teacher-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    width: 352px;
    color: #333;
}

.teacher-item .teacher-avatar {
    width: 138px;
    height: 138px;
    border-radius: 50%;
    background: url('../img/sprite.png') no-repeat;
    position: relative;
    margin-top: 4px;
}

.teachers-block .teacher-avatar.teacher1 {
    background-position-x: -625px;
}

.teachers-block .teacher-avatar.teacher2 {
    background-position-x: -772px;
}

.teachers-block .teacher-avatar.teacher3 {
    background-position-x: -916px;
}

.teacher-avatar .teacher-position {
    position: absolute;
    border-radius: 50%;
    background-color: #5297ff;
    width: 60px;
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #fff;
    top: 5px;
    right: -27px;
}

.teacher-item .teacher-name {
    font-size: 24px;
    font-weight: bold;
    height: 24px;
    line-height: 24px;
    margin-top: 17px;
}

.teacher-item .teacher-position-text {
    font-size: 18px;
    line-height: 18px;
    height: 18px;
    margin-top: 12px;
}

.teacher-item .teacher-desc-area {
    margin-top: 43px;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 14px;
    line-height: 24px;
    height: 135px;
}

.teacher-item .contact-btn-3 {
    width: 140px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 10px;
    border: 1px solid #217ddc;
    font-size: 18px;
    color: #217ddc;
    margin-top: 30px;
}

.teacher-item .contact-btn-3:hover {
    background-color: #217ddc;
    color: #fff;
    cursor: pointer;
}

.course-swiper-block {
    width: 100%;
    height: 642px;
    position: relative;
}

.course-swiper-block .course-swiper-block-content {
    display: flex;
    flex-direction: row;
    position: absolute;
    left: 50%;
    transform: translateX(-45%);
}

.course-swiper-block .course-swiper-pagination {
    display: flex;
    flex-direction: column;
    margin-top: 66px;
    margin-right: 70px;
}

.course-swiper-pagination-item.swiper-pagination-bullet {
    width: 130px;
    height: 18px;
    line-height: 18px;
    color: #333333;
    font-size: 18px;
    margin-top: 24px;
    background: unset;
    opacity: 1;
}

.course-swiper-pagination-item.swiper-pagination-bullet-active {
    width: 130px;
    font-weight: bold;
    color: #217ddc;
}

.course-swiper-switch-btn-area {
    width: 32px;
    height: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    margin-left: 30px;
    margin-top: 270px;
}

.course-swiper-button-prev,
.course-swiper-button-next {
    cursor: pointer;
}

.course-swiper-block #course-swiper {
    width: 1005px;
    height: 486px;
    margin-top: 66px;
    margin-bottom: 90px;
}

#course-swiper .course-swiper-item-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: row;
}

#course-swiper .course-swiper-item-pic img {
    width: 592px;
    height: 100%;
}

#course-swiper .course-swiper-item-right {
    width: 413px;
    padding-top: 24px;
    display: flex;
    flex-direction: column;
    background-color: #f6f6f6;
    position: relative;
}

#course-swiper .course-detail-item {
    padding-left: 31px;
    padding-right: 23px;
    display: flex;
    flex-direction: column;
    margin-bottom: 30px;
}


#course-swiper .swiper-item-6 .course-detail-item {
    padding-right: 13px;
    margin-bottom: 20px;
}

#course-swiper .course-detail-title {
    font-size: 18px;
    font-weight: bold;
    color: #333333;
    height: 18px;
    line-height: 18px;
}

#course-swiper .course-detail-desc {
    font-size: 14px;
    color: #666666;
    line-height: 20px;
    margin-top: 6px;
}

#course-swiper .course-detail-item-btn-area {
    display: flex;
    flex-direction: row;
    align-items: center;
    position: absolute;
    bottom: 24px;
}

#course-swiper .contact-btn-6 {
    width: 100px;
    height: 40px;
    line-height: 40px;
    border-radius: 10px;
    border: 1px solid #217ddc;
    font-size: 18px;
    text-align: center;
    color: #217ddc;
    margin-left: 31px;
    cursor: pointer;
}

#course-swiper .contact-btn-7 {
    width: 140px;
    height: 40px;
    line-height: 40px;
    border-radius: 10px;
    background-color: #217ddc;
    font-size: 18px;
    text-align: center;
    color: #fff;
    margin-left: 20px;
    cursor: pointer;
}

.tddesign-block.course-block {
    width: 1900px;
    height: 900px;
    background-color: #08326a;
    position: relative;
    display: flex;
    margin: 0 auto;
}

.course-block .title-area {
    position: absolute;
    color: #fff;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
}

.course-block .title-bar {
    background-color: #fff;
}

.course-block .title-bar-left-hor {
    left: -207px;
}

.course-block .title-bar-right-hor {
    right: -207px;
}

.course-block .course-item {
    position: relative;
    flex: 1;
}

.course-block .course-item-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 274px;
    color: #fff;
    position: absolute;
    width: 100%;
    z-index: 1000;
}

.course-item-content .course-item-stage {
    font-size: 36px;
    line-height: 36px;
    height: 36px;
}

.course-item-content .course-item-title {
    font-size: 30px;
    height: 30px;
    line-height: 30px;
    margin-top: 40px;
}


@media screen and (max-width:1500px) {
    .course-item-content .course-item-title {
        font-size: 27px;
    }
}


.course-item-content .course-item-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    font-size: 18px;
    line-height: 36px;
    margin-top: 29px;
    min-height: 270px;
}

.course-item-content .contact-btn-4 {
    width: 226px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 10px;
    margin-top: 104px;
    border: 1px solid #fff;
    font-size: 18px;
    cursor: pointer;
}

.course-item-content .contact-btn-4:hover {
    background-color: #217ddc;
    border-color: #217ddc;
}

.course-block .course-item-bg {
    background: url('../img/block_bg_course.png') no-repeat;
    position: absolute;
    width: 100%;
    height: 100%;
}

.course-block .course-item-bg-1 {
    background-position-x: 0px !important;
}

.course-block .course-item-bg-2 {
    background-position-x: -480px !important;
}

.course-block .course-item-bg-3 {
    background-position-x: -960px !important;
}

.course-block .course-item-bg-4 {
    background-position-x: -1440px !important;
}

.course-block .course-item-content:hover~.course-item-bg,
.course-item-bg:hover {
    opacity: 0.6;
}

.cooperating-brands-block {
    padding-top: 1px;
    width: 100%;
    height: 920px;
    background-color: #f0f5fb;
    position: relative;
}

.cooperating-brands-block .title-area {
    margin: 420px auto 0;
    color: #51555a;
}

.cooperating-brands-block .title-bar-left-hor {
    left: -110px;
}

.cooperating-brands-block .title-bar-right-hor {
    right: -110px;
}

.cooperating-brands-block .cooperating-brands-bg {
    width: 1234px;
    height: 320px;
    background: url('../img/cooperating_brands.png') no-repeat;
    background-size: cover;
    background-position: center center;
    margin: 86px auto 0;
}

.cooperating-brands-block .banner-on-brand {
    width: 100%;
    height: 350px;
    position: absolute;
    top: 0;
    background: url('../img/banner_on_brand.png') no-repeat;
    background-size: cover;
    background-position: center center;
}

.students-works-block {
    width: 100%;
}

.students-works-block .title-bar-left-hor {
    width: 410px;
    left: -326px;
}

.students-works-block .title-bar-right-hor {
    width: 410px;
    right: -326px;
}

.students-works-block .students-works-bg img {
    width: 100%;
    height: auto;
    object-fit: contain;
    margin-top: 95px;
}

.students-works-block .contact-btn-5 {
    width: 100%;
    height: 110px;
    margin-top: 5px;
    background-color: #ffd555;
    text-align: center;
    line-height: 110px;
    color: #b15300;
    font-size: 30px;
    cursor: pointer;
}

.tddesign-sign-up {
    padding: 0;
    height: 639px;
    background: url("../img/bottom_form_bg.png") no-repeat center;
}

.sign-up-main {
    margin: 60px 60px 0 0;
    padding: 30px 35px 14px;
    width: 330px;
    background-color: #fff;
    border-radius: 10px;
}

.sign-up-main h1 {
    margin-bottom: 10px;
    width: 100%;
    height: 80px;
    line-height: 80px;
    text-align: center;
    font-size: 30px;
    color: #4A85F9;
}

.tddesign-form {}

.tddesign-form p {
    margin: 0 0 20px 10px;
    width: 308px;
    border: 1px solid #eee;
    border-radius: 10px;
}

.tddesign-form input {
    margin-left: 70px;
    width: 240px;
    height: 58px;
    line-height: 58px;
    font-size: 18px;
    color: #999;
}

.tddesign-form .apply {
    margin: 40px 0 10px 0;
    width: 100%;
    height: 60px;
    border: 0;
}

.tddesign-form .apply a {
    display: block;
    margin-left: 15px;
    width: 300px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    font-weight: bold;
    font-size: 30px;
    color: #fff;
    background-color: #4A85F9;
    border-radius: 30px;
}

.tddesign-form .apply a:hover {
    background-color: #78a5fd;
}

.tddesign-form .note {
    margin-left: 30px;
    width: 272px;
    line-height: 18px;
    text-align: center;
    font-size: 14px;
    color: #999;
    border: 0;
}

.tddesign-form .name {
    background: url("../img/contact.png") no-repeat 15px 10px;
}

.tddesign-form .phone {
    background: url("../img/phone.png") no-repeat 15px 12px;
}

.tddesign-form .qq {
    background: url("../img/qq.png") no-repeat 15px 12px;
}