.main-wrapper {
    overflow: hidden;
    padding-top: 72px;
}

.module-wrapper .module-main {
    position: relative;
    width: 1920px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
}

.module-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    align-content: center;
    justify-content: center;
    padding: 58px 0 32px 0;
}

.module-title h2 {
    font-size: 30px;
    color: var(--theme-color);
    margin-bottom: 24px;
    font-weight: 700;
}

.banner-wrapper {
    width: 1920px;
    height: 480px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    overflow: hidden;
    z-index: 9;
}

.banner-wrapper .swiper-container {
    height: 100%;
}

.banner-wrapper .img-wrap {
    width: inherit;
    height: 480px;
}

.banner-wrapper .swiper-pagination-bullet,
.course-main .swiper-pagination-bullet {
    width: 16px;
    height: 5px;
    border-radius: 3px;
    background-color: var(--theme-color-tint);
    margin: 0 6px !important;
    opacity: 1;
}

.banner-wrapper .swiper-pagination-bullet-active,
.course-main .swiper-pagination-bullet-active {
    width: 40px;
    background-color: var(--theme-color);
}

.course-main {
    height: 732px;
    background: url("../images/ER_Model_1/bg_1.jpg") no-repeat;
    background-size: 100% 100%;
}

.course-body {
    width: 900px;
    min-height: 500px;
    margin: 0 auto;
}

.course-list {
    display: flex;
    justify-content: flex-start;
    width: 900px;
    background-color: #ffffff;
    box-shadow: 0 12px 36px 0 rgba(0, 155, 244, 0.08);
    border-radius: 12px;
    padding-bottom: 60px;
}

.course-list li {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 900px;
    height: 368px;
}

.course-list li .img-wrap {
    width: 580px;
    height: 368px;
    border-radius: 12px;
}

.course-list li .text-wrap {
    padding-left: 32px;
    width: calc(100% - 580px);
    height: 368px;
    flex: 1;
    background-color: #FFFFFF;
}

.course-list .text-wrap h4 {
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 28px;
    letter-spacing: 0px;
    color: #333333;
    margin: 46px 0 38px 0;
}

.course-list .text-wrap p {
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 22px;
    letter-spacing: 0;
    color: #999999;
    margin-bottom: 100px;
}

.course-list .text-wrap .more-btn,
.understand-body .more-btn,
.about-body .more-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 256px;
    height: 48px;
    background-color: var(--theme-color);
    border-radius: 8px;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 26px;
    letter-spacing: 0px;
    color: #ffffff;
}

.course-main .swiper-button-next,
.course-main .swiper-button-prev {
    top: 36%;
    width: 50px;
    height: 50px;
    background-color: #ffffff;
    box-shadow: 0 12px 36px 0 rgba(0, 204, 170, 0.08);
    border: solid 1px #f0f0f0;
    border-radius: 50%;
}

.course-main .swiper-button-next:after,
.course-main .swiper-button-prev:after {
    font-size: 18px;
}

.course-body > .more-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 180px;
    height: 48px;
    background-color: #ffffff;
    border-radius: 8px;
    border: solid 1px var(--theme-color);
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    color: var(--theme-color);
    margin: 40px auto 0;
}

.understand-main {
    height: 790px;
    background: url("../images/ER_Model_1/bg_2.jpg") no-repeat;
    background-size: 100% 100%;
}

.understand-body {
    width: 1200px;
    height: 558px;
    background-color: #ffffff;
    box-shadow: 0 12px 36px 0 rgba(0, 204, 170, 0.08);
    border-radius: 12px;
}

.understand-body .img-wrap {
    width: 1200px;
    height: 340px;
    border-radius: 12px;
}

.understand-body p {
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 32px;
    letter-spacing: 0px;
    color: #333333;
    padding: 36px;
}

.understand-body .more-btn {
    width: 200px;
    margin: 0 auto;
}

.about-body {
    position: relative;
    width: 1200px;
    height: 380px;
    margin-bottom:40px;
}

.about-body .img-wrap {
    width: 1200px;
    height: 380px;
    border-radius: 12px;
}

.about-body .text-wrap {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 500px;
    height: 380px;
    background-color: #ffffff;
    border-radius: 12px;
    opacity: 0.9;
    padding: 54px 36px;
}

.about-body .more-btn {
    width: 160px;
    margin-right: auto;
}

.about-body .text-wrap h4 {
    width: 100%;
    font-size: 24px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 28px;
    letter-spacing: 0px;
    color: #1a1a1a;
    text-align: left;
}

.about-body .text-wrap p {
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 28px;
    letter-spacing: 0px;
    color: #333333;
    padding: 40px 0;
}