.img {
    width: 100%;
    height: auto;
}

.linehide {
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.banner {
    background: url("https://cdn.xianboss.com/upload/20240104/18c6bdbe96ef4c19199684950b174533.png") no-repeat center center;
    height: 638px;
    position: relative;
    background-size: auto 100%;
}

.banner .bannertxt {
    width: 86%;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #FFF;
    height: 100%;
    padding-bottom: 200px;
    padding-left: 155px;
}

.banner .bannertxt div:nth-child(1) {
    font-size: 60px;
    font-weight: 700;
    font-family: 思源黑体;
}

.banner .bannertxt div:nth-child(2) {
    font-size: 30px;
    margin-top: 14px;
    font-weight: 500;
}

.banner .bannertxt div:nth-child(3) {
    width: 145px;
    height: 0px;
    border: 3px solid #FFFFFF;
    margin-top: 15px;
}

@media screen and (max-width: 767px) {
    .banner {
        height: 240px;
        background-position: 60% center !important;
        background-size: auto 100% !important;
    }

    .banner .bannertxt {
        display: none;
    }
}

.introduce{
    position: absolute;
    top: 560px;
    left: 50%;
    right: 50%;
    margin-left: -614.5px;
    width: 1229px;

}


.backdrop{
    width: 100%;
    height: 673px;
    background: rgba(243, 243, 246, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}
.backdrop_box{
    width: 1229px;
    height: 358px;
    margin-top: 80px;
   display: flex;
    justify-content: space-between;
    padding: 10px;
    box-sizing: border-box;
}
.backdrop_box_left{
    width:614.5px ;
}
.backdrop_box_left h2{
    font-family: 思源黑体;
    font-size: 28px;
    font-weight: bold;
    line-height: normal;
    letter-spacing: 0.02em;
    color: #3D3D3D;

}
.backdrop_box_left span{
    margin-top: 20px;
    font-family: 思源黑体;
    font-size: 15px;
    font-weight: normal;
    line-height: 35px;
    letter-spacing: 0em;

    color: #888888;

}
.backdrop_box_right{
    width:614.5px ;
}
.backdrop .backdropText{
    width: 86%;
    max-width: var(--max-width);
    padding: 140px 276px;
    box-sizing: border-box;
    margin: 0 auto;
}
.backdrop .backdropText p{
    font-family: 思源黑体;
    font-size: 18px;
    font-weight: normal;
    line-height: 25px;
    text-align: justify;
    letter-spacing: 0em;
    color: #FFFFFF;
}
.advantage{
    width: 100%;
    height: 650px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.advantage_box{
    width: 1229px;
    height: 450px;
}
.advantage_box h2{
    height: calc(450px - 322px);
    text-align: center;
    font-family: 思源黑体;
    font-size: 50px;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 0em;

    color: #3D3D3D;

}
.advantage_box ul{
    display: flex;
    justify-content: space-between;

}
.advantage_box ul li{
    width: 283px;
    height: 322px;
    border-radius: 10px;
    background: #F8F8F8;
    display: flex;
    flex-direction: column;
    align-items: center;
    /*justify-content: space-around;*/
}
.advantage_box ul li img{
    height: 104px;
    margin-top: 30px;
}
.advantage_box ul li p{
    width: 77.48px;
    height: 47.39px;
    font-family: Source Han Sans;
    font-size: 35px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: -0.05em;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    margin-top: 20px;

}
.advantage_box ul li span{
    margin-top: 20px;
    width: 172.85px;
    height: 26.94px;
    font-family: 思源黑体;
    font-size: 20px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0em;
    font-feature-settings: "kern" on;
    color: #888888;

}

.vision{
    width: 100%;
    height: 937px;
    background: rgba(243, 243, 246, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}
.vision .visionBox{
    width: 1229px;
    height: 770px;
    background-color: #FFFFFF;
}
.visionBox h2{
    height:128px;
    line-height: 128px;
    text-align: center;
    font-family: Source Han Sans;
    font-size: 50px;
    font-weight: 500;
    letter-spacing: 0.02em;

    color: #3D3D3D;
}
.visionBox ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.visionBox ul li img{
    width: 100%;
    height: 100%;
}
.course{
    width: 100%;
    height: 560px;
    color: #FFFFFF;
    background: url("https://cdn.xianboss.com/upload/20240109/226d9e089394c5909b6b51b3bd259a1a.png")
    no-repeat center center;
    background-position-y: 27px;
}
.course h1{
    margin: 0 auto;
    text-align: center;
    font-family: Source Han Sans;
    font-size: 50px;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 0.02em;
    color: #3D3D3D;
    padding-top: 56px;
    box-sizing: border-box;
}
.course p{
    font-family: 思源黑体;
    font-size: 20px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0em;
    font-feature-settings: "kern" on;
    color: #505050;
    text-align: center;
    margin-top: 11px;
}
.course .course-brand{
    width: 68%;
    max-width: var(--max-width);
    margin: 0 auto;
    margin-top: 93px;
}
.course .course-brand .box {
    width: 100%;
    display: flex;
    align-items: center;
    position: relative;
}
.course .course-brand .box ul {
    display: flex;
    align-items: center;
    margin: 0 auto;
    width: 1151px;
    white-space: nowrap;
    overflow: auto;
    transition: transform 0.3s ease; /* 使用 transform 实现过渡效果 */
    scroll-behavior: smooth; /* 添加 smooth 滚动行为 */
}
.course .course-brand .box ul::-webkit-scrollbar {
    display: none;
}
.course .course-brand .box ul li {
    width: 256px;
    height: 260px;
    display: flex;
    flex-direction: column;
    margin-right: 41px;
    margin-top: 7px;
}
/*.course .course-brand .box ul li:nth-child(3) {*/
/*    */
/*}*/
/*.course .course-brand .box ul li:nth-child(4) {*/
/*    */
/*}*/
.course .course-brand .box ul li span:nth-child(1) {
    font-family: League Spartan;
    font-size: 40px;
    font-weight: bold;
    line-height: normal;
    letter-spacing: 0em;
    font-feature-settings: "kern" on;
    color: #3d3d3d;
}
.course .course-brand .box ul li span:nth-child(2) {
    font-family: 思源黑体;
    font-size: 15px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0.02em;
    font-feature-settings: "kern" on;
    color: #3d3d3d;
    margin-top: 55px;
    display: block;
    overflow-wrap: break-word;
}

.honor{
    width: 100%;
    height: 569px;
    color: #FFFFFF;
}
.honor h1{
    margin: 0 auto;
    text-align: center;
    font-family: Source Han Sans;
    font-size: 50px;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 0.02em;
    color: #3D3D3D;
    padding-top: 29px;
}
.honor .brand{
    width: 86%;
    max-width: var(--max-width);
    margin: 66px auto;
}
.honor .brand ul{
    display: flex;
    align-items: center;
    justify-content: center;
}
.honor .brand ul li{
    width: 380px;
    height: 240.52px;
    margin-right: 40px;
}
.honor .brand ul li:nth-child(1){
    background: url("https://cdn.xianboss.com/upload/20240104/476752b92d8d46f37d32e11675977794.png") no-repeat center center;
}
.honor .brand ul li:nth-child(2){
    background: url("https://cdn.xianboss.com/upload/20240104/45156c3e60eaba912afb46f8003c2d35.png") no-repeat center center;
}
.honor .brand ul li:nth-child(3){
    background: url("https://cdn.xianboss.com/upload/20240104/b0a489f101db0d47ddf52f48f288124c.png") no-repeat center center;
    margin-right: 0;
}
.tagmain {
    background-color: #f6f6f6;
    margin: 0 auto;
}

.tagmain .container {
    width: 86%;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.tagmain .container .tagcenter {
    width: 78%;
    background-color: #FFF;
}

.tagmain .container .tagcenter .listtag > li {
    border-bottom: 1px solid #dcdcdc;
    width: 100%;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    overflow: hidden;
}

.tagmain .container .tagcenter .listtag > li:last-child {
    border-bottom: none;
}

.tagmain .container .tagcenter .listtag > li .tagimg {
    width: 24%;
    overflow: hidden;
    cursor: pointer;
    display: block;
}

.tagmain .container .tagcenter .listtag > li .tagtxt {
    width: 74%;
}

.tagmain .container .tagcenter .listtag > li .tagtxt h3 {
    font-size: 18px;
    color: #2a2935;
    padding-bottom: 8px;
    transition: all .3s ease-in-out;
    -webkit-transition: all .3s ease-in-out;
    -o-transition: all .3s ease-in-out;
    -ms-transition: all .3s ease-in-out;
    -moz-transition: all .3s ease-in-out;
}
.tagmain .container .tagcenter .listtag > li .tagtxt h3:hover{
    color: #4584e0;
}
.tagmain .container .tagcenter .listtag > li .tagtxt p {
    font-size: 14px;
    color: #8f8f8f;
    margin-bottom: 10px;
}

.tagmain .container .tagcenter .listtag > li .tagtxt .lics {
    font-size: 14px;
    color: #8f8f8f;
    line-height: 27px;
    display: flex;
}

.tagmain .container .tagcenter .listtag > li .tagtxt .lics .parameter {
    margin-right: 20px;
    display: flex;
    align-items: center;
}

.tagmain .container .tagcenter .listtag > li .tagtxt .lics .parameter span {
    margin-left: 4px;
}

.tagmain .container .tagright {
    width: 21%;
    overflow: hidden;
}

.tagmain .container .tagright .tagkuai {
    background-color: #FFF;
}

.tagmain .container .tagright .tagkuai .tagtle {
    padding: 10px 12px;
    background-color: #4584e0;
}

.tagmain .container .tagright .tagkuai .tagtle span {
    font-size: 16px;
    display: inline-block;
    line-height: 20px;
    border-left: 2px solid #FFF;
    padding-left: 8px;
    color: #FFF;
}

.tagmain .container .tagright .tagkuai .picturelist {
    overflow: hidden;
    padding: 10px 15px;
}

.tagmain .container .tagright .tagkuai .picturelist li {
    width: 100%;
    overflow: hidden;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px dashed #dcdcdc;
}

.tagmain .container .tagright .tagkuai .picturelist li .pictitle {
    font-size: 14px;
    transition: all .3s ease-in-out;
    -webkit-transition: all .3s ease-in-out;
    -o-transition: all .3s ease-in-out;
    -ms-transition: all .3s ease-in-out;
    -moz-transition: all .3s ease-in-out;
    padding: 6px 0;
    line-height: 20px;
    position: relative;
    padding-left: 10px;
}

.tagmain .container .tagright .tagkuai .picturelist li .pictitle:hover {
    color: #4584e0;
}

.tagmain .container .tagright .tagkuai .picturelist li .pictitle::before {
    content: "";
    width: 4px;
    height: 4px;
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -2px;
    background-color: #0166ce;
}

@media screen and (max-width: 1440px) {
    .tagmain .container .tagcenter .listtag > li .tagtxt h3 {
        font-size: 16px;
    }

    .tagmain .container .tagcenter .listtag > li .tagtxt p {
        font-size: 14px;
    }

    .tagmain .container .tagcenter .listtag > li .tagtxt .lics {
        font-size: 14px;
    }

    .tagmain .container .tagcenter .listtag > li .tagtxt .lics .parameter {
        margin-right: 21px;
    }

    .tagmain .container .tagcenter .listtag > li .tagtxt .lics .parameter svg {
        width: 14px;
        height: 14px;
    }
}

@media screen and (max-width: 1280px) {
    .tagmain .container {
        flex-direction: column;
    }

    .tagmain .container .tagcenter {
        width: 100%;
    }

    .tagmain .container .tagcenter .listtag > li .tagtxt p {
        font-size: 12px;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
    }

    .tagmain .container .tagcenter .listtag > li .tagtxt .lics {
        font-size: 12px;
        line-height: 22px;
    }

    .tagmain .container .tagcenter .listtag > li .tagtxt .lics .parameter {
        margin-right: 18px;
    }

    .tagmain .container .tagcenter .listtag > li .tagtxt .lics .parameter svg {
        width: 12px;
        height: 12px;
    }

    .tagmain .container .tagright {
        width: 100%;
        margin-top: 15px;
    }
}

@media screen and (max-width: 767px) {
    .tagmain .container {
        width: 100%;
        padding: 20px;
    }

    .tagmain .container .tagcenter .listtag > li {
        padding: 10px 15px;
    }

    .tagmain .container .tagcenter .listtag > li .tagimg {
        display: none;
    }

    .tagmain .container .tagcenter .listtag > li .tagtxt {
        width: 100%;
    }
}