html {
    font-size: 16px;
}

body, div, p, ul, li {
    margin: 0;
    padding: 0;
}

ul, li {
    list-style-type: none;
}

body {
    font-size: 1rem;
}

/*img{
    max-width: none !important;
}*/

.clear {
    clear: both;
}

::selection {
    background-color: #007FDF;
    color: #fff;
}

::-webkit-selection {
    background-color: #007FDF;
    color: #fff;
}

::-moz-selection {
    background-color: #007FDF;
    color: #fff;
}

#container {
    width: 100%;
    position: relative;
}

.header_bg {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    background: url(/templets/default/images/cephProduct/banner_ceph_bg.svg) center top no-repeat;
    background-size: 100%;
    z-index: -1;
}

#header {
    width: 100%;
    min-height: 420px;
    position: relative;
    padding-top: 170px;
    box-sizing: border-box;
}

.header_title {
    font-size: 54px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
    margin-bottom: 20px;
}

.header_title_wrap {
    width: 800px;
    margin: auto;
}

.header_title_wrap p {
    font-size: 20px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
    padding-bottom: 20px;
    line-height: 30px;
}

.header_btn_wrap {
    width: 178px;
    margin: 30px auto;
}


.header_btn_wrap .applicationBtn {
    display: inline-block;
    width: 172px;
    height: 38px;
    background: #FFFFFF;
    box-shadow: 0 1px 10px 0 rgba(45, 118, 231, 0.30);
    border-radius: 2px;
    font-size: 16px;
    color: #007FDF;
    letter-spacing: 0;
    line-height: 38px;
    margin-right: 20px;
    text-align: center;
    cursor: pointer;
    transition: transform .3s linear;
}

.header_btn_wrap .applicationBtn:hover {
    transform: translateY(-2px);
}

.section_bg_wrap {
    width: 1040px;
    margin-top: 70px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.section_bg_wrap .arrow {
    position: absolute;
    left: 0;
    width: 100%;
    height: 34px;
    overflow: hidden;
    top: 150px;
}

.section_bg_wrap .arrow p {
    width: 100%;
    height: 200%;
    position: absolute;
    right: 0;
    background: url(/templets/default/images/cephProduct/arrow_banner_top.svg) no-repeat;
    animation: arrowMoveTop 3s linear 0s infinite;
    background-size: 100%;
}

@keyframes arrowMoveTop {
    0% {
        top: 0;
    }
    50% {
        top: -50%;
    }
    100% {
        top: -100%;
    }
}

.section_rise {
    display: block;
    width: 1086px;
    height: 370px;/*300px*/
    margin: auto;
    margin-top: 120px;
}

.section_rise, .section_quality, .section_api, .section_easy, .section_engine {
    position: relative;
}

.section_rise>div, .section_quality>div, .section_api>div, .section_easy>div, .section_engine>div {
    position: absolute;
    display: inline-block;
    vertical-align: middle;
}

.section_rise_intro, .section_quality_intro, .section_ensure_intro, .section_api_intro, .section_easy_intro, .section_engine_intro {
    width: 480px;
}

.section_engine .section_engine_intro {
    width: 490px;
}
.section_rise_img_wrap img{
    margin-top: 36px;
}
.section_rise_intro {
}

.section_rise_intro p, .section_quality_intro p, .section_ensure_intro p, .section_api_intro p, .section_easy_intro p, .section_features_intro p, .section_engine_intro p {
    font-size: 36px;
    color: #1A2736;
    letter-spacing: 0;
    display: inline-block;
    margin-bottom: 30px;
    font-weight: 500;
}

.section_rise_intro span, .section_quality_intro span, .section_ensure_intro span, .section_api_intro span, .section_easy_intro span, .section_features_intro span, .section_engine_intro span {
    font-size: 18px;
    color: #37475A;
    letter-spacing: 0;
    line-height: 36px;
    display: block;
}

.section_rise_img {
    width: 478px;
    height: 300px;
    right: 0;
    /*float: right;*/
    margin-right: 27px;
    position: relative;
}

.section_rise_img_alert {
    height: 70px;
    width: 220px;
    background-color: #37475A;
    border-radius: 4px;
    font-size: 22px;
    color: white;
    line-height: 70px;
    position: absolute;
    top: 47px;
    right: -40px;
    /*display: none;*/
}

.section_rise_img_alert .add {
    opacity: 0;
}

.section_rise_img_alert i {
    display: inline-block;
    height: 19px;
    width: 19px;
    margin-left: 22px;
    margin-right: 10px;
    background: url(/templets/default/images/cephProduct/high-performance_dot.svg) no-repeat;
}

.section_quality {
    display: block;
    width: 1030px;
    height: 300px;
    margin: auto;
    margin-top: 86px;
}

.section_quality_img {
    width: 368px;
    height: 375px;
}

.section_quality_img_wrap {
    font-size: 0;
}

.section_quality_intro {
    /*float: right;*/
    right: 0;
    margin-top: 76px;
}

.section_quality_img_part {
    position: relative;
    display: inline-block;
    vertical-align: top;
}

.section_quality_img_l {
    height: 303px;
    width: 162px;
    margin-right: 40px;
}

.section_quality_img_part .arrow {
    position: absolute;
    overflow: hidden;
}

.section_quality_img_part .arrow p {
    width: 100%;
    height: 200%;
    position: absolute;
    bottom: 0;
    animation: arrowMoveBottom 1s linear 0s infinite;
}

.section_quality_img_part .arrow_2 p {
    animation: arrowMoveBottom 2s linear 0s infinite;
}

.section_quality_img_l .arrow_1_l p, .section_quality_img_l .arrow_2_l p, .section_quality_img_l .arrow_3_l p {
    animation: arrowMoveBottom 4s linear 0s infinite;
}

.section_quality_img_r .arrow_1_l p, .section_quality_img_r .arrow_2_l p, .section_quality_img_r .arrow_3_l p {
    animation: arrowMoveBottom 4s linear 0s infinite;
}

@keyframes arrowMoveBottom {
    0% {
        bottom: 0;
    }
    50% {
        bottom: -50%;
    }
    100% {
        bottom: -100%;
    }
}

.section_quality_img_part .arrow_1 {
    width: 10px;
    height: 34px;
    top: 85px;
    left: 26px;
}

.section_quality_img_part .arrow_2 {
    width: 10px;
    height: 70px;
    top: 60px;
    left: 76px;
}

.section_quality_img_part .arrow_3 {
    width: 10px;
    height: 34px;
    top: 85px;
    right: 26px;
}

.section_quality_img_l .arrow_1_l, .section_quality_img_l .arrow_3_l {
    top: 142px;
    height: 96px;
    opacity: 0.25;
}

.section_quality_img_l .arrow_2_l {
    top: 150px;
    height: 96px;
    opacity: 0.25;
}

.section_quality_img_r .arrow_1_l, .section_quality_img_r .arrow_3_l {
    top: 142px;
    opacity: 0.25;
    height: 135px;
}

.section_quality_img_r .arrow_2_l {
    top: 150px;
    opacity: 0.25;
    height: 135px;
}

.section_quality_img_r .arrow_1_l {
    opacity: 0.1;
}

.section_quality_img_l .arrow_1 p {
    background: url(/templets/default/images/cephProduct/without_qos_log.svg) no-repeat;
}

.section_quality_img_l .arrow_2 p {
    background: url(/templets/default/images/cephProduct/without_qos_data.svg) no-repeat;
}

.section_quality_img_l .arrow_3 p {
    background: url(/templets/default/images/cephProduct/without_qos_log.svg) no-repeat;
}

.section_quality_img_l .arrow_1_l p {
    background: url(/templets/default/images/cephProduct/without_qos_log_l.svg) no-repeat;
}

.section_quality_img_l .arrow_2_l p {
    background: url(/templets/default/images/cephProduct/without_qos_data_l.svg) no-repeat;
}

.section_quality_img_l .arrow_3_l p {
    background: url(/templets/default/images/cephProduct/without_qos_log_l.svg) no-repeat;
}

.section_quality_img_r .arrow_1 p {
    background: url(/templets/default/images/cephProduct/with_qos_log.svg) no-repeat;
}

.section_quality_img_r .arrow_2 p {
    background: url(/templets/default/images/cephProduct/with_qos_data.svg) no-repeat;
}

.section_quality_img_r .arrow_3 p {
    background: url(/templets/default/images/cephProduct/with_qos_cache.svg) no-repeat;
}

.section_quality_img_r .arrow_1_l p {
    background: url(/templets/default/images/cephProduct/with_qos_log_l.svg) no-repeat;
}

.section_quality_img_r .arrow_2_l p {
    background: url(/templets/default/images/cephProduct/with_qos_data_l.svg) no-repeat;
}

.section_quality_img_r .arrow_3_l p {
    background: url(/templets/default/images/cephProduct/with_qos_cache_l.svg) no-repeat;
}

.section_ensure {
    position: relative;
    height: 469px;
    margin-top: 90px;
}

.section_ensure_bg {
    position: absolute;
    height: 100%;
    width: 100%;
    left: 0;
    background: url(/templets/default/images/cephProduct/ceph_section3_bg.png) left top no-repeat;
    background-size: auto;
    z-index: -1;
}

.section_ensure_wrap {
    width: 1051px;
    height: auto;
    margin: auto;
    font-size: 0;
}

.section_ensure_wrap>div {
    display: inline-block;
    vertical-align: top;
}

.section_ensure_intro {
    margin-top: 154px;
    margin-right: 112px;
}

.section_ensure_intro p, .section_ensure_intro span {
    color: white !important;
}

.section_ensure_img {
    width: 459px;
    height: 318px;
    right: 0;
    margin-top: 110px;
    position: relative;
}

.section_ensure_img_alert {
    width: 350px;
    /*height: 70px;*/
    border-radius: 4px;
    box-shadow: 0 10px 20px 0 rgba(151, 164, 182, 0.10);
    position: absolute;
    font-size: 20px;
    line-height: 66px;
    display: none;
}

.section_ensure_img .alert_1 {
    color: #45BB79;
    background-color: white;
    border: 2px solid #E0F3FF;
    top: 0;
    left: 103px;
}

.section_ensure_img .alert_2 {
    color: #466E95;
    background-color: #CBEDFF;
    border: 2px solid #BCE8FF;
    top: 100px;
    left: 0;
}

.section_ensure_img .alert_3 {
    color: #007FDF;
    background-color: white;
    border: 2px solid #E0F3FF;
    top: 248px;
    left: 80px;
}

.section_ensure_img .alert_4 {
    color: white;
    background-color: #52C4FF;
    border: 2px solid #3EBDFF;
    top: 150px;
    right: -30px;
}

.section_ensure_img_alert i {
    display: inline-block;
    height: 24px;
    width: 24px;
    margin-left: 30px;
    margin-right: 20px;
    vertical-align: middle;
}

.section_ensure_img .alert_1 i {
    background: url(/templets/default/intl/image/product/cephProduct/icon_four.svg) no-repeat;
}

.section_ensure_img .alert_2 i {
    background: url(/templets/default/intl/image/product/cephProduct/icon_four.svg) no-repeat;
    background-position: -24px;
}

.section_ensure_img .alert_3 i {
    background: url(/templets/default/intl/image/product/cephProduct/icon_four.svg) no-repeat;
    background-position: -72px;
}

.section_ensure_img .alert_4 i {
    background: url(/templets/default/intl/image/product/cephProduct/icon_four.svg) no-repeat;
    background-position: -48px;

}

.section_api {
    height: 369px;
    width: 1044px;
    margin: auto;
    margin-top: 130px;
}

.section_api_intro {
    /* float: right;*/
    right: 0;
    padding-top: 52px;
}

.section_api_img {
    position: relative;
}

.section_api_img .arrow {
    position: absolute;
    overflow: hidden;
}

.section_api_img .arrow_l, .section_api_img .arrow {
    width: 10px;
    height: 32px;
}

.section_api_img .arrow_l {
    left: 122px;
    top: 230px;
    transform: rotate(-90deg);
}

.section_api_img .arrow_l_1 {
    left: 155px;
    top: 138px;
    transform: rotate(-45deg);
}

.section_api_img .arrow_m {
    left: 252px;
    top: 100px;
}

.section_api_img .arrow_r_1 {
    right: 155px;
    top: 138px;
    transform: rotate(45deg);
}

.section_api_img .arrow_r {
    right: 122px;
    top: 230px;
    transform: rotate(90deg);
}

.section_api_img .arrow img {
    width: 100%;
    height: 200%;
    position: absolute;
    left: 0;
    animation: arrowMoveTop 2s linear 0s infinite;
    max-width: none !important;
}

.section_easy {
    width: 1171px;
    height: 291px;
    margin: auto;
    margin-top: 170px;
}

.section_easy_img {
    /*float: right;*/
    right: 0;
    top: -8px;
    position: relative;
}

.section_easy_img_alert {
    position: absolute;
    width: 285px;
    height: 50px;
    top: -50px;
    right: 16px;
    /*opacity: 0;*/
    display: none;
    /*animation: alertShow1 1s linear 1.5s forwards; */
}

.section_features {
    width: 1120px;
    margin: auto;
    margin-top: 180px;
    margin-bottom: 320px;
    /*position: relative;*/
}

.section_features_intro {
    text-align: center;
    width: 900px;
    margin: auto;
    margin-bottom: 40px;
}

.section_features_carousel {
    /* position: absolute;
    left: 585px;
    top: 255px;*/
    height: 350px;
    /*width: 660px;*/
    margin: auto;
    position: relative;
}

.features_carousel_wrap {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel_list {
    width: 2700px;
    position: absolute;
    left: 0;
}

.carousel_list_mobile {
    width: 1500px;
    position: absolute;
    left: 0;
}

.carousel_transition {
    transition: all 1.6s ease-in-out;
}

.carousel_item {
    box-sizing: border-box;
    padding: 0 25px;
    float: left;
    width: 280px;
    height: 300px;
    margin: 0 10px;
    text-align: center;
    background: #EFF9FF;
    border: 1px solid #E0F3FF;
    box-shadow: 0 10px 20px 0 rgba(151, 164, 182, 0.10);
    border-radius: 4px;
}

.carousel_item i {
    display: inline-block;
    width: 40px;
    height: 40px;
    margin-top: 38px;
    margin-bottom: 20px;
    background-image: url(/templets/default/intl/image/product/cephProduct/icon_function.svg);
}

.carousel_item_icon1 {
    background-position: 0 0;
}

.carousel_item_icon2 {
    background-position: -40px 0;
}

.carousel_item_icon3 {
    background-position: -80px 0;
}

.carousel_item_icon4 {
    background-position: -120px 0;
}

.carousel_item_icon5 {
    background-position: -160px 0;
}

.carousel_item p {
    margin-bottom: 14px;
    font-size: 16px;
    color: #1A2736;
    letter-spacing: 0;
    text-align: center;
    line-height: 20px;
}

.carousel_item span {
    display: inline-block;
    font-size: 12px;
    color: #37475A;
    letter-spacing: 0;
    line-height: 20px;
    text-align: left;
}

.features_carousel_wrap_mobile {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    overflow-x: auto;
    display: none;
}

.left_cover {
    width: 80px;
    height: 370px;
    position: absolute;
    background-image: linear-gradient(-90deg, rgba(255, 255, 255, 0.00) 0%, #FFFFFF 100%);
    top: -10px;
    left: 0;
}

.right_cover {
    width: 80px;
    height: 370px;
    position: absolute;
    top: -10px;
    right: 0;
    background-image: linear-gradient(-270deg, rgba(255, 255, 255, 0.00) 0%, #FFFFFF 100%);
}

.section_engine {
    width: 1173px;
    height: 240px;
    margin: auto;
    margin-top: 140px;
    margin-bottom: 160px;
    font-size: 0;
}

.section_engine .section_engine_intro {
    position: relative;
    margin-left: 151px;
}

.section_engine .section_engine_img {
    position: relative;
    width: 532px;
    height: 232px;
    /*background: beige;*/
}

.left_node, .right_node, .center_node {
    position: absolute;
    /*top: 2px;*/
    width: 130px;
    height: 130px;
    border-radius: 50%;
}

.left_node {
    left: 0;
    top: 57px;
    transition: opacity .5s linear;
    opacity: 0;
    transition: opacity .5s linear;
}

.right_node {
    right: 0;
    top: 57px;
    transition: opacity .5s linear;
    opacity: 0;
    transition: opacity .5s linear;
}

.center_node {
    top: 0;
    left: 50%;
    transform: translate(-50%, 0);
    opacity: 0;
    transition: opacity .5s linear;
}

.circleZoom {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-image: radial-gradient(50% 0%, rgba(255, 255, 255, 0.00) 50%, rgba(140, 216, 255, 0.30) 100%);
    animation: circleZoom 2s linear 0s infinite;
}

@keyframes circleZoom {
    0% {
        width: 130px;
        height: 130px;
    }
    50% {
        width: 80px;
        height: 80px;
    }
    100% {
        width: 130px;
        height: 130px;
    }
}

.left_inner_node, .right_inner_node {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #FFFFFF;
    box-shadow: 0 6px 10px 0 rgba(198, 211, 220, 0.30);
}

.center_inner_node {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    position: absolute;
    top: 37px;
    left: 50%;
    transform: translate(-50%, 0);
    background: #FFFFFF;
    box-shadow: 0 6px 10px 0 rgba(198, 211, 220, 0.30);
}

.left_inner_node i, .right_inner_node i, .center_inner_node i {
    width: 30px;
    height: 30px;
    display: inline-block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: url(/templets/default/intl/image/product/cephProduct/icon_ram_ssd.svg)
}

.left_inner_node i {
    background-position: 0;
}

.center_inner_node i {
    background-position: -30px 0;
}

.right_inner_node i {
    background-position: -60px 0;
}

.node_text {
    position: absolute;
    bottom: -45px;
    left: 15px;
    width: 100px;
    height: 30px;
    background: rgba(255, 255, 255, 0.70);
    box-shadow: 0 2px 4px 0 rgba(198, 211, 220, 0.30);
    border-radius: 15px;
    font-size: 14px;
    color: #466E95;
    letter-spacing: 0;
    text-align: center;
    line-height: 30px;
}

.node_text_t {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, 0);
    width: 100px;
    height: 30px;
    background: rgba(255, 255, 255, 0.70);
    box-shadow: 0 2px 4px 0 rgba(198, 211, 220, 0.30);
    border-radius: 15px;
    font-size: 14px;
    color: #466E95;
    letter-spacing: 0;
    text-align: center;
    line-height: 30px;
}

.section_engine_img {
    right: 0;
    position: relative;
}

.section_engine_img .arrow {
    overflow: hidden;
    position: absolute;
    opacity: 0;
    transition: opacity .5s linear;
}

.section_engine_img .arrow img {
    width: 200%;
    height: 100%;
    position: absolute;
    right: 0;
    max-width: none !important;
}

.section_engine_img .arrow_1 img, .section_engine_img .arrow_2 img {
    animation: arrowMoveRight 3s linear 0s infinite;
}

.section_engine_img .arrow_3 img {
    animation: arrowMoveRight 12s linear 0s infinite;
}

@keyframes arrowMoveRight {
    0% {
        right: 0;
    }
    50% {
        right: -50%;
    }
    100% {
        right: -100%;
    }
}

.section_engine_img .arrow_1, .section_engine_img .arrow_2 {
    height: 10px;
    width: 58px;
}

.section_engine_img .arrow_1 {
    top: 87px;
    left: 150px;
}

.section_engine_img .arrow_2 {
    top: 87px;
    right: 150px;
}

.section_engine_img .arrow_3 {
    height: 10px;
    width: 232px;
    top: 147px;
    right: 150px;
}

.show_available {
    opacity: 1;
}

.section_engine_img .show_available {
    opacity: 1;
}

.download {
    width: 100%;
    height: 180px;
    background: #002847;
    position: relative;
    text-align: center;
}

.download_card {
    width: 800px;
    height: 280px;
    /* background-image: linear-gradient(-176deg, #419DFF 4%, #65CAFF 100%, #65CAFF 100%); */
    background: url(/templets/default/images/selection/product_bg.svg) no-repeat;
    /* background-size: 100% 100%; */
    border-radius: 6px;
    position: absolute;
    top: -140px;
    left: 0;
    right: 0;
    margin: 0 auto;
}

.download_card p {
    font-size: 24px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
    line-height: 40px;
    margin-top: 76px;
    padding: 0 40px;
}

.download_btn {
    box-sizing: border-box;
    width: 237px;
    height: 56px;
    border: 1px solid #ffffff;
    border-radius: 4px;
    display: inline-block;
    text-decoration: none;
    font-size: 20px;
    color: #FFFFFF;
    line-height: 56px;
    margin-top: 32px;
    transition: all .3s linear;
    cursor: pointer;
}
.section7_pc{
    display: flex;
    flex-direction: row-reverse;
    flex-wrap: wrap;
}

.download_btn:hover {
    /* border-color: hsla(0,0%,100%,.5);
    background: hsla(0, 0%, 100%, .2); */
    background: rgba(255, 255, 255, 0.10);
    box-shadow: 0 3px 10px 0 rgba(94, 105, 120, 0.14);
    /* margin-top: 31px; */
    transform: translateY(-2px);
}

@media screen and (max-width: 1920px) {
    .header_bg {
        background-size: auto;
    }
}

@media screen and (max-width: 1200px) {
    .section_engine {
        width: 1050px;
    }
    .section_easy {
        width: 1110px;
    }
    .section_engine .section_engine_intro {
        margin-right: 20px;
    }
    /*.section7_pc{*/
    /*    display: flex;*/
    /*    flex-direction: row-reverse;*/
    /*    flex-wrap: wrap;*/
    /*}*/
    /*.section7_wrap{*/
    /*    display: block;*/
    /*}*/
}

@media screen and (max-width: 1100px) {
    .section_rise, .section_quality, .section_ensure, .section_api, .section_easy, .section_features, .section_engine {
        width: 100%;
    }
    .section_rise, .section_quality, .section_api, .section_easy, .section_engine {
        position: relative;
    }
    .section_rise>div, .section_quality>div, .section_api>div, .section_easy>div, .section_engine>div, .section_features>div {
        display: block;
        position: relative;
        margin-left: auto;
        margin-right: auto;
    }
    .section_rise_intro, .section_quality_intro, .section_ensure_intro, .section_api_intro, .section_easy_intro, .section_engine_intro, .section_features_intro {
        width: 650px;
        margin-bottom: 50px;

    }
    .section_engine .section_engine_intro {
        width: 650px;
    }
    .section_bg_wrap {
        width: 80%;
    }
    .section_bg_wrap img {
        width: 100%;
        max-width: none !important;
    }
    .section_bg_wrap .arrow {
        top: 25%;
        height: 7%;
    }
    .header_title_wrap {
        width: 80%;
    }
    .section_ensure_wrap {
        width: 100%;
    }
    .section_ensure_wrap>div {
        display: block;
        position: relative;
        margin-left: auto;
        margin-right: auto;
    }
    .section_ensure_intro {
        padding-top: 100px;
    }
    .section_ensure_img {
        margin-top: 40px;
        max-width: none !important;
    }
    .section2 {
        margin-top: 320px;
    }
    .section3 {
        margin-top: 250px;
    }
    .section4 {
        margin-top: 150px;
    }
    .section5 {
        margin-top: 380px;
    }
    .section6 {
        margin-top: 320px;
    }
    .section_api_img {
        width: 508px;
    }
    .section_easy_img {
        width: 610px;
    }
    .section_engine_img {
        width: 532px;
    }
    .section_api_img>img {
        margin: auto;
        display: block;
    }
    .section_easy_img>img {
        margin: auto;
        display: block;
    }
    .section_easy_intro {
        margin-bottom: 90px;
    }
    .section_features_intro {
        text-align: left;
    }
    .section_engine .section_engine_intro {
        margin-right: auto;
        margin-left: auto;
    }
    .section_engine {
        margin-bottom: 420px;
        margin-top: 450px;
    }
}

@media screen and (max-width: 1024px) {
    .download_card {
        width: 80%;
    }
}

@media screen and (max-width: 767px) {
    .features_carousel_wrap {
        display: none;
    }
    .features_carousel_wrap_mobile {
        display: block;
    }
    .section_rise_intro, .section_quality_intro, .section_ensure_intro, .section_api_intro, .section_easy_intro, .section_engine_intro, .section_features_intro {
        width: 80%;
        margin-bottom: 40px;
    }
    .header_title {
        font-size: 48px;
    }
    .header_title_wrap p {
        font-size: 16px;
    }
    /*.section_rise_intro span, 
    .section_quality_intro span, 
    .section_ensure_intro span, 
    .section_api_intro span, 
    .section_easy_intro span, 
    .section_features_intro span, 
    .section_engine_intro span{
        font-size: 16px;
    }*/
    .section_rise {
        margin-top: 80px;
    }
    .section_features_carousel, .section_easy_img {
        width: 100%;
    }
    .section_rise_img_wrap img, .section_easy_img img {
        width: 100%;
    }
    .section_rise_img_alert {
        right: 0;
        transform: scale(0.9);
    }
    .section_ensure_img {
        transform: scale(0.9);
    }
    .download_card p {
        margin-top: 56px;
    }
    .section_engine .section_engine_intro {
        width: 80%;
    }
}

/*@media screen and (max-width: 490px) {*/
/*    .section_engine .section_engine_intro {*/
/*        width: 80%;*/
/*    }*/
/*}*/

@media screen and (max-width: 590px) {
    .section_bg_wrap {
        width: 95%;
    }
    .section_rise>div, .section_quality>div, .section_api>div, .section_easy>div, .section_engine>div, .section_features>div {
        width: 80%;
    }
    .section1 {
        margin-top: 100px;
    }
    .section2 {
        margin-top: 440px;
    }
    .section3 {
        margin-top: 350px;
    }
    .section4 {
        margin-top: 150px;
    }
    .section5 {
        margin-top: 390px;
    }
    .section6 {
        margin-top: 370px;
    }
    .section_easy_intro {
        margin-bottom: 80px;
    }
    .section_engine {
        margin-top: 120px;
        margin-bottom: 390px;
    }
    .section_rise_img img {
        width: 100%;
    }
    .section_rise_img_alert {
        transform: scale(0.6);
        top: 5%;
    }
    .section_quality .section_quality_img {
        width: 100%;
    }
    .section_quality_img_l, .section_quality_img_r {
        margin-right: 0;
        width: 50%;
        height: auto;
    }
    .section_quality_img_l img, .section_quality_img_r img {
        display: block;
        width: 80%;
        margin: auto;
    }
    .section_quality_img_part .arrow_1 {
        left: 48px;
    }
    .section_quality_img_part .arrow_2 {
        left: 98px;
    }
    .section_quality_img_part .arrow_3 {
        right: 48px;
    }
    /*.section_ensure_img_alert{
        transform: scale(0.7);
    }*/
    .section_ensure_img .alert_2 {
        top: 70px;
    }
    .section_ensure_img .alert_4 {
        top: 110px;
        right: 10px;
    }
    .section_ensure_img .alert_3 {
        top: 180px;
    }
    .section_api_img>img {
        width: 100%;
    }
    .section_api_img .arrow_l {
        left: 24%;
        top: 60%;
    }
    .section_api_img .arrow_l_1 {
        left: 32%;
        top: 34%;
    }
    .section_api_img .arrow_m {
        left: 49%;
        top: 25%;
    }
    .section_api_img .arrow_r_1 {
        right: 32%;
        top: 34%;
    }
    .section_api_img .arrow_r {
        right: 24%;
        top: 60%;
    }
    .section_easy_img {
        width: 90%;
    }
    .section_easy_img img {
        width: 100%;
    }
    .section_easy_img_alert {
        width: 170px;
        height: 30px;
        top: -35px;
        right: 5px;
    }
    .section_easy_img_alert img {
        width: 100%;
    }
    .section_engine_img img {
        width: 100%;
    }
    .section_engine_img .arrow_1, .section_engine_img .arrow_2 {
        width: 12%;
    }
    .section_engine_img .arrow_1 {
        top: 33%;
        left: 26%;
    }
    .section_engine_img .arrow_2 {
        top: 33%;
        right: 26%;
    }
    .section_engine_img .arrow_3 {
        width: 48%;
        top: 60%;
        right: 26%;
    }
    .section_rise_img_alert {
        right: -40px;
    }
    .section_ensure .section_ensure_img {
        width: 100%;
        transform: scale(1);
    }
    .section_ensure_img_alert {
        width: 294px;
        height: 60px;
        font-size: 18px;
        line-height: 60px;
    }
    .section_ensure_img_alert i {
        margin-left: 58px;
    }
    .section_ensure_img .alert_1 {
        left: 73px;
    }
    .section_ensure_img .alert_2 {
        left: 10px;
        top: 75px;
    }
    .section_ensure_img .alert_3 {
        top: 185px left: 45px;
    }
    .section_ensure_img .alert_4 {
        right: 10px;
        top: 120px;
    }
    .section_engine .section_engine_img {
        width: 100%;
        /*transform: scale(0.8);*/
    }
    .section_quality_img_r .arrow_1_l, .section_quality_img_r .arrow_2_l, .section_quality_img_r .arrow_3_l {
        top: 120px;
    }
    .section_quality_img_l .arrow_1_l, .section_quality_img_l .arrow_2_l, .section_quality_img_l .arrow_3_l {
        top: 120px;
    }
    .section_quality_img_r {
        margin-top: -46px;
    }
    .section_ensure_img_alert i {
        margin-left: 10px;
        margin-right: 10px;
    }
    .section_engine{
        margin-bottom: 560px;
        margin-top: 450px;
    }
}

@media screen and (max-width: 480px) {
    .section_bg_wrap {
        width: 95%;
    }
    .section_rise>div, .section_quality>div, .section_api>div, .section_easy>div, .section_engine>div, .section_features>div {
        width: 80%;
    }
    .section1 {
        margin-top: 100px;
    }
    .section2 {
        margin-top: 440px;
    }
    .section3 {
        margin-top: 350px;
    }
    .section4 {
        margin-top: 150px;
    }
    .section5 {
        margin-top: 390px;
    }
    .section6 {
        margin-top: 370px;
    }
    .section_easy_intro {
        margin-bottom: 80px;
    }
    .section_engine {
        margin-top: 120px;
        margin-bottom: 390px;
    }
    .section_rise_img img {
        width: 100%;
    }
    .section_rise_img_alert {
        transform: scale(0.6);
        top: 5%;
    }
    .section_quality .section_quality_img {
        width: 100%;
    }
    .section_quality_img_l, .section_quality_img_r {
        margin-right: 0;
        width: 50%;
        height: auto;
    }
    .section_quality_img_l img, .section_quality_img_r img {
        display: block;
        width: 80%;
        margin: auto;
    }
    .section_quality_img_part .arrow_1 {
        left: 48px;
    }
    .section_quality_img_part .arrow_2 {
        left: 98px;
    }
    .section_quality_img_part .arrow_3 {
        right: 48px;
    }
    /*.section_ensure_img_alert{
        transform: scale(0.7);
    }*/
    .section_ensure_img .alert_2 {
        top: 70px;
    }
    .section_ensure_img .alert_4 {
        top: 110px;
        right: 10px;
    }
    .section_ensure_img .alert_3 {
        top: 180px;
    }
    .section_api_img>img {
        width: 100%;
    }
    .section_api_img .arrow_l {
        left: 24%;
        top: 60%;
    }
    .section_api_img .arrow_l_1 {
        left: 32%;
        top: 34%;
    }
    .section_api_img .arrow_m {
        left: 49%;
        top: 25%;
    }
    .section_api_img .arrow_r_1 {
        right: 32%;
        top: 34%;
    }
    .section_api_img .arrow_r {
        right: 24%;
        top: 60%;
    }
    .section_easy_img {
        width: 90%;
    }
    .section_easy_img img {
        width: 100%;
    }
    .section_easy_img_alert {
        width: 170px;
        height: 30px;
        top: -35px;
        right: 5px;
    }
    .section_easy_img_alert img {
        width: 100%;
    }
    .section_engine_img img {
        width: 100%;
    }
    .section_engine_img .arrow_1, .section_engine_img .arrow_2 {
        width: 12%;
    }
    .section_engine_img .arrow_1 {
        top: 33%;
        left: 26%;
    }
    .section_engine_img .arrow_2 {
        top: 33%;
        right: 26%;
    }
    .section_engine_img .arrow_3 {
        width: 48%;
        top: 60%;
        right: 26%;
    }
    .section_rise_img_alert {
        right: -40px;
    }
    .section_ensure .section_ensure_img {
        width: 100%;
        transform: scale(1);
    }
    .section_ensure_img_alert {
        width: 294px;
        height: 60px;
        font-size: 18px;
        line-height: 60px;
    }
    .section_ensure_img_alert i {
        margin-left: 58px;
    }
    .section_ensure_img .alert_1 {
        left: 73px;
    }
    .section_ensure_img .alert_2 {
        left: 10px;
        top: 75px;
    }
    .section_ensure_img .alert_3 {
        top: 185px left: 45px;
    }
    .section_ensure_img .alert_4 {
        right: 10px;
        top: 120px;
    }
    .section_engine .section_engine_img {
        width: 100%;
        /*transform: scale(0.8);*/
    }
    .section_quality_img_r .arrow_1_l, .section_quality_img_r .arrow_2_l, .section_quality_img_r .arrow_3_l {
        top: 120px;
    }
    .section_quality_img_l .arrow_1_l, .section_quality_img_l .arrow_2_l, .section_quality_img_l .arrow_3_l {
        top: 120px;
    }
    .section_quality_img_r {
        margin-top: -46px;
    }
    .section_ensure_img_alert i {
        margin-left: 10px;
        margin-right: 10px;
    }
    .section_engine{
        margin-bottom: 560px;
        margin-top: 450px;
    }
}

@media screen and (max-width: 375px) {
    .section1 {
        margin-top: 70px;
    }
    .section2 {
        margin-top: 500px ;
    }
    .section4 {
        margin-top: 250px;
    }
    .section5 {
        margin-top: 464px;
    }
    .section6 {
        margin-top: 400px;
    }
    .section_quality_intro {
        margin-top: 120px;
    }
    .section_ensure_img .alert_1 {
        left: 83px;
    }
    .section_ensure_img .alert_4 {
        right: 40px;
    }
    .section5 .section_easy_img {
        width: 95%;
    }
    .section_quality_img_part .arrow_1 {
        left: 42px;
    }
    .section_quality_img_part .arrow_2 {
        left: 89px;
        top: 55px;
    }
    .section_quality_img_part .arrow_3 {
        right: 42px;
    }
    .section_ensure_img .alert_4 {
        right: 0;
        left: 73px;
        width: 293px;
    }
    .section_ensure_img .alert_3 {
        left: 41px;
    }
    .section_ensure_img_alert {
        width: 270px;
        height: 50px;
        font-size: 18px;
        line-height: 50px;
    }
    .section_ensure_img_alert i {
        margin-left: 10px;
        margin-right: 10px;
    }
    .section_engine {
        margin-bottom: 670px;
        margin-top: 450px;
    }
    .download_card{
        height: 320px;
        background-size:cover;
    }
    .download_btn {
        margin-top: 0px;
        margin-bottom: 100px;
    }

}