.voiceStudy {
    /* height: 740px; */
    aspect-ratio: 1920 / 740;
    background: url("../images/business/business_bannner.png") no-repeat left top;
    background-size: 100% auto;
}

.voiceStudyMain {
    width: 1420px;
    height: 100%;
    position: relative;
}

.voiceStudyMain .img1 {
    width: 312px;
    height: 50px;
    position: absolute;
    left: 0;
    top: 267px;
}

.voiceStudyMain .img2 {
    width: 626px;
    height: 117px;
    position: absolute;
    left: -91px;
    top: 318px;
}

.voiceStudyMain .voiceStudyTitle1 {
    font-weight: 300;
    font-size: 54px;
    color: #FEFEFE;
    position: absolute;
    left: 0;
    top: 267px;
}

.voiceStudyMain .voiceStudyTitle2 {
    font-family: DINNextLTPro;
    font-size: 27px;
    /* 2. 渐变背景（兼容写法） */
    background: -webkit-linear-gradient(0deg, #DFF2FF 0, #69ADF3 100%);
    /* Chrome/Safari/Edge */
    background: -moz-linear-gradient(0deg, #DFF2FF 0, #69ADF3 100%);
    /* 旧版Firefox */
    background: linear-gradient(0deg, #DFF2FF 0, #69ADF3 100%);
    /* 标准写法 */

    /* 3. 文字裁剪（核心兼容） */
    -webkit-background-clip: text;
    /* Chrome/Safari/Edge 必须加前缀 */
    -moz-background-clip: text;
    /* 旧版Firefox（极少用） */
    background-clip: text;
    /* 标准写法 */

    /* 4. 文字透明（兼容所有浏览器） */
    -webkit-text-fill-color: transparent;
    /* 替代color:transparent，兼容性更好 */
    color: transparent;
    /* color: radial-gradient(0deg, #DFF2FF 0%, #69ADF3 100%); */
    position: absolute;
    left: 0;
    top: 340px;
}

.voiceStudyMain ul {
    position: absolute;
    width: 100%;
    height: 130px;
    left: 0;
    bottom: 42px;
    align-items: flex-end;
}

.voiceStudyMain ul li {
    width: 266px;
    height: 115px;
    /* background: url("../images/business/business_liBg.png") no-repeat center center;
    background-size: 100% 100%; */
    background: #0E3EAB;
    border-radius: 10px 10px 10px 10px;
    transition: all 0.4s;
    opacity: 0.6;
    overflow: hidden;
}

.voiceStudyMain ul .active {
    /* background: url("../images/business/business_liBg_selected.png") no-repeat center center;
    background-size: 100% 100%; */
    background: #193FCC;
    opacity: 1;
    width: 300px;
    height: 130px;
}

.voiceStudyMain ul .active span {
    font-size: 30px;
    color: #FFFFFF;
    line-height: 33px;
}

.voiceStudyMain li span {
    font-weight: normal;
    font-size: 24px;
    color: #FFFFFF;
    margin: 0 20px;
}

.voiceStudyMain li em {
    display: none;
    width: 5px;
    height: 25px;
    background: #FFFFFF;
}

.voiceStudyMain ul .active em {
    display: block;
}

.section_container {
    height: 695px;
    background: url('../images/business/voiceAI_bg.png') no-repeat left top;
    background-size: 100% 100%;
}

.section_container .section_main {
    width: 1420px;
    height: 100%;
    padding: 105px 12px 0;
}

.section_container .section_main .section_title {
    font-size: 36px;
    color: #323232;
    margin-bottom: 22px;
    text-align: center;
    font-weight: bold;
}

.section_container .section_main .section_desc {
    font-size: 18px;
    color: #323232;
    line-height: 30px;
    text-align: center;
}

.section_container .dls {
    width: 100%;
    padding-top: 50px;
}

.section_container .dls dt {
    width: 165px;
    height: 162px;
    margin-bottom: 16px;
}

.section_container .dls dt img {
    transition: all ease 0.2s;
}

.section_container .dls .dd1 {
    font-size: 24px;
    color: #323232;
    margin-bottom: 24px;
}

.section_container .dls .dd2 {
    font-size: 18px;
    color: #505050;
    line-height: 30px;
}

.ability-item {
    aspect-ratio: 640 / 482;
    height: inherit !important;
}

.modeBg {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: rgba(0, 0, 0, 0.4);
}

.sectionSmart {
    height: 890px;
    background: #f6f6f6;
}

.sectionSmart .sectionSmart_main {
    width: 1420px;
    height: 100%;
    padding: 85px 72px 0;
}

.sectionSmart .sectionSmart_main .sectionSmart_title {
    text-align: center;
    margin-bottom: 55px;
}

.sectionSmart .sectionSmart_main .sectionSmart_title h3 {
    font-weight: bold;
    font-size: 36px;
    color: #323232;
    margin-bottom: 4px;
}

.sectionSmart .sectionSmart_main .sectionSmart_title p {
    font-size: 20px;
    color: #323232;
}

.sectionSmart_tabs {
    padding: 0 266px;
    margin-bottom: 160px;
}

.sectionSmart_tabs .tab_item {
    width: 270px;
    height: 60px;
    border-radius: 29px 29px 29px 29px;
    border: 1px solid #505050;
    font-size: 20px;
    color: #323232;
}


.sectionSmart_tabs .active {
    border: 1px solid #02317A;
    color: #083D8F;
}

.sectionSmart_content {
    padding: 0 35px;
}

.sectionSmart_content_left {
    width: 425px;
}

.sectionSmart_content_left_title {
    margin-bottom: 40px;
}

.sectionSmart_content_left_title h4 {
    font-weight: 400;
    font-size: 42px;
    color: #083D8F;
}

.sectionSmart_content_left_title h3 {
    font-weight: bold;
    font-size: 42px;
    color: #083D8F;
}

.sectionSmart_content_left_desc {
    font-size: 20px;
    color: #505050;
    line-height: 40px;
}

.plan1 {
    height: 652px;
    position: relative;
    /* background: url('../images/business/plan1_bg1.png') no-repeat center center;
    background-size: cover; */
}

.plan2 {
    /* height: 654px; */
    position: relative;
}

.plan1_title,
.plan2_title {
    position: absolute;
    top: 40px;
    margin-left: -20px;

}

.plan1_title h3,
.plan2_title h3 {
    font-weight: bold;
    font-size: 30px;
    color: #FFFFFF;
}

.plan1_title p,
.plan2_title p {
    font-weight: 500;
    font-size: 20px;
    color: #FFFFFF;
}

.plan1_li {
    transition: all ease 0.4s;
    border-left: 1px solid #fff;
}

.plan1_left {
    width: 34%;
    height: 100%;
    padding: 0 0 0 150px;
}

.plan1_right {
    width: 22%;
    height: 100%;
    /* border-left: 2px solid #fff; */
    padding: 0 0 0 40px;
}

.plan2_in {
    /* height: 100%; */
    aspect-ratio: 640 / 652;
    overflow: hidden;
    position: relative;
}
.plan2_in .bg{
    /* padding: 400px 0 0 100px; */
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    transition: all 0.3s ease;
}
.plan2_in:hover .bg{
    transform: scale(1.1, 1.1);
}
.plan2_in_info{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
}
.plan1 h2,
.plan2 h2 {
    font-weight: bold;
    font-size: 36px;
    color: #E5EDF8;
}

.plan1 .content2,
.plan2 .content2 {
    position: relative;
    height: 0;
    transition: all 0.4s ease;
    overflow: hidden;
    padding-top: 20px;
}

.plan1_left:hover .content2 {
    width: 300px;
    height: 300px;
}

.plan2_in:hover .content2 {
    height: 130px;
}

.plan1_right:hover .content2 {
    width: 300px;
    height: 300px;
}

.plan1 .content2 .line {
    width: 38px;
    height: 3px;
    background: #fff;
    margin-bottom: 30px;
}

.plan1 .content2 .li {
    margin-bottom: 30px;
}

.plan1 .content2 .li .dian {
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
    margin-right: 15px;
    margin-top: 8px;
}

.plan1 .content2 .li .desc h4 {
    font-size: 18px;
    color: #E5EDF8;
    margin-bottom: 4px;
}

.plan1 .content2 .li .desc p,
.plan2 .content2 p {
    font-weight: 200;
    font-size: 14px;
    color: #E5EDF8;
}

.coreValueBox {
    height: 864px;
    position: relative;
}

.coreValueBox .video-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: -1;
    object-fit: cover;
}

.coreValueBox2 {
    height: 750px;
    background: url('../images/business/coreValueBox2_bg.png') no-repeat left top;
    background-size: 100% 100%;
}

.coreValue {
    width: 1420px;
    height: 100%;
    padding: 64px 20px 0;
    position: relative;
}

.coreValue2 {
    padding: 117px 20px 0;
}

.coreValue_title,
.coreValue2_title {
    width: 100%;
    text-align: center;
    margin-bottom: 85px;
}

.coreValue_title h3 {
    font-weight: bold;
    font-size: 30px;
    color: #323232;
}

.coreValue_title p {
    font-weight: 400;
    font-size: 20px;
    color: #323232;
}

.coreValue_title2 h3 {
    color: #fff;
}

.coreValue_title2 p {
    color: #fff;
}

.coreValue_content_left_top {
    width: 755px;
    height: 240px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 8px;
    margin-bottom: 12px;
    padding: 58px 50px 0;
}

.coreValue_content_left_bottom_card {
    width: 372px;
    height: 252px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 8px;
}

.coreValue_content_left_top .desc h3 {
    font-size: 26px;
    color: #323232;
    margin-bottom: 10px;
}

.coreValue_content_left_top .desc p {
    font-weight: 400;
    font-size: 15px;
    color: #646464;
    line-height: 31px;
}

.coreValue_content_left_top img {
    width: 334px;
    height: 122px;
}

.coreValue_content_left_bottom_card {
    padding: 47px 0 0 53px;
}

.coreValue_content_left_bottom_card h3 {
    font-size: 26px;
    color: #323232;
    margin-bottom: 10px;
}

.coreValue_content_left_bottom_card p {
    font-weight: 400;
    font-size: 15px;
    color: #646464;
    line-height: 31px;
}

.li_out {
    width: 12.5%;
    height: 652px;
}

.li_in {
    width: 15%;
    height: 652px;
    border-left: 1px solid #fff;
    border-right: 1px solid #fff;
    padding-left: 45px;
    transition: all 0.4s ease;
}

.li_in h2 {
    font-weight: bold;
    font-size: 24px;
    color: #E5EDF8;
    margin-bottom: 10px;
}

.li_in .content2 {
    height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.li_in .content2 p {
    font-size: 18px;
    color: #E5EDF8;
    line-height: 27px;
}

.li_in:hover .content2 {
    height: 50px;
}

.li_out4 {
    width: 14%;
    height: 654px;
}

.li_in4 {
    width: 18%;
    height: 654px;
    border-left: 1px solid #fff;
    border-right: 1px solid #fff;
    padding: 0 52px;
    transition: all 0.4s ease;
}

.li_in4 h2 {
    font-weight: bold;
    font-size: 24px;
    color: #E5EDF8;
    margin-bottom: 10px;
}

.li_in4 .content2 {
    height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.li_in4_1:hover .content2 {
    height: 250px;
}

.li_in4_2:hover .content2 {
    height: 330px;
}

.li_in4_3:hover .content2 {
    height: 150px;
}

.li_in4_4:hover .content2 {
    height: 150px;
}

.li_in4 .content2 .li {
    margin-bottom: 20px;
}

.li_in4 .content2 .li .desc h4 {
    font-size: 18px;
    color: #E5EDF8;
    margin-bottom: 4px;
}

.li_in4 .content2 .li .desc p {
    font-weight: 200;
    font-size: 16px;
    color: #E5EDF8;
}

.li5_left {
    height: 652px;
    /* padding: 0 0 0 273px; */
    background: url("../images/business/abilities-contianer5_bg1.png") no-repeat left top;
    background-size: 100% 100%;
}

.li5_right {
    height: 652px;
    /* padding: 0 0 0 115px; */
    background: url("../images/business/abilities-contianer5_bg2.png") no-repeat left top;
    background-size: 100% 100%;
}

.li5_left:hover .p,
.li5_right:hover .p {
    height: 150px;
}

.li5_left h3,
.li5_right h3 {
    font-weight: normal;
    font-size: 30px;
    color: #E5EDF8;
    margin-bottom: 10px;
}

.li5_left .p,
.li5_right .p {
    height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.li5_left p,
.li5_right p {
    font-size: 16px;
    color: #E5EDF8;
    line-height: 27px;
}

.coreValue2_content .dl {
    width: 226px;
    height: 306px;
    background: radial-gradient(0% 0% at 0% 0%, #D8E5ED 0%, #FFFFFF 36.43%);
    border-radius: 25px;
    opacity: 0.9;
    padding: 30px 24px;
    transition: all 0.4s ease;
}

.coreValue2_content .dl .dt {
    width: 46px;
    height: 46px;
}

.coreValue2_content .dl .desc {
    position: relative;
}

.coreValue2_content .dl .desc h5 {
    font-weight: 400;
    font-size: 18px;
    color: #323232;
    margin-bottom: 16px;
}

.coreValue2_content .active .desc h5 {
    color: #fff;
}

.coreValue2_content .dl .desc .jiantou {
    width: 14px;
    height: 14px;
}

.coreValue2_content .dl .desc p {
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}


.coreValue2_content .dl .desc .descIcon {
    position: absolute;
    top: 50%;
    transform: translateY(-70%);
    right: 10px;
    display: none;
}

.coreValue2_content .active .desc .jiantou {
    display: none;
}

.coreValue2_content .active .desc p {
    height: 50px;
}


.coreValue2_content .active {
    width: 438px;
    background: #193FCC;
}

.coreValue2_content .active .dt span {
    font-weight: 500;
    font-size: 30px;
    color: #FFFFFF;
}

.coreValue2_content .active .desc .descIcon {
    display: block;
}