.course-info-center{
    width: 1200px;
    margin: 0 auto;
    margin-top: 126px;
    display: flex;
    flex-direction: column;
    /* background-color: red;    */
}
.small-nav{
    width: 300px;
    height: 17px;
    display: flex;
    flex-direction: row;
    margin-top: 6px;
}
.small-nav-txt{
    width: auto;
    height: 17px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 12px;
    line-height: 17px;
    margin: 0 4px 0 2px;
}
.small-nav-txt a{
    color: #999999;
}
.small-nav-jt{
    width: 5px;
    height: 17px;
    color: #AAAAAA;
    margin: 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 17px;
}

.top-course-base-info{
    width: 100%;
    height: 326px;
    background: #FFFFFF;
    border-radius: 8px;
    border: 1px solid #E9E9E9;
    margin-top: 10px;
    display: flex;
    flex-direction: row;
}
#bmForm{
    display: flex;
    flex-direction: row;
    width: 100%;
    height: 100%;
}
.course-cover{
    width: 510px;
    height: 286px;
    margin: 20px 49px 20px 20px;
}
.course-cover img{
    width: 100%;
    height: 100%;
    border-radius: 8px;
}
.right-course-info{
    width: 600px;
    height: 286px;
    margin: 20px 20px 20px 0;
    /* background: #E9E9E9; */
    display: flex;
    flex-direction: column;
}
.right-course-info .title{
    width: auto;
    height: 29px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 500;
    font-size: 20px;
    color: #333333;
    line-height: 29px;
}
.type-address-container{
    width: 100%;
    height: 20px;
    display: flex;
    flex-direction: row;
    margin-top: 17px;
}
.right-course-info .type-address{
    width: auto;
    height: 20px;
    display: flex;
    flex-direction: row;
    margin-right: 90px;
}
.right-course-info .title-txt{
    width: 56px;
    height: 20px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 14px;
    color: #CCCCCC;
    line-height: 20px;
    margin-right: 20px;
}
.right-course-info .value-txt{
    /* width: 28px; */
    width: auto;
    height: 20px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 14px;
    color: #333333;
    line-height: 20px;
}
.right-course-info .price-container{
    width: auto;
    height: 33px;
    display: flex;
    flex-direction: row;
    margin-top: 55px;
}
.right-course-info .title-price{
    margin: 12px 20px 1px 0px;
}
.right-course-info .price-txt-let{
    width: 11px;
    height: 20px;
    font-family: Arial, Arial;
    font-weight: normal;
    font-size: 18px;
    color: #0052D9;
    line-height: 21px;
    text-align: left;
    font-style: normal;
    margin: 11px 5px 2px 0px;
}
.right-course-info .price-txt-right{
    width: 51px;
    height: 33px;
    font-family: Arial, Arial;
    font-weight: normal;
    font-size: 30px;
    color: #0052D9;
    line-height: 34px;
    text-align: left;
    font-style: normal;
}
.right-course-info .type-container{
    width: 100%;
    height: 40px;
    display: flex;
    flex-direction: row;
    margin-top: 20px;
}
.right-course-info .title-type{
    margin: 10px 20px 10px 0px;
}
.right-course-info .type-item{
    /* width: 214px; */
    width: auto;
    height: 40px;
    background: #F5F9FF;
    border-radius: 4px;
    margin-right: 20px;
    display: flex;
    flex-direction: row;
}
.right-course-info .type-item.active{
    background: #F4F8FF;
    border-radius: 4px;
    border: 1px solid #0052D9;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 14px;
    line-height: 20px;
}
/* 为激活状态下的子元素专门设置颜色 */
.right-course-info .type-item.active .type-item-txt-left,
.right-course-info .type-item.active .type-item-txt-right {
    color: #0052D9;
}
.right-course-info .type-item .type-item-txt-left{
    /* width: 112px; */
    width: auto;
    height: 20px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 14px;
    color: #787D85;
    line-height: 20px;
    text-align: left;
    font-style: normal;
    margin: 10px 16px 10px 20px;
}
.right-course-info .type-item .type-item-txt-right{
    /* width: 46px; */
    width: auto;
    height: 20px;
    font-family: ArialMT;
    font-size: 14px;
    color: #787D85;
    line-height: 21px;
    text-align: left;
    font-style: normal;
    margin: 10px 20px 10px 0px;
}
.right-course-info .buy-btn{
    width: 135px;
    height: 45px;
    background: #0052D9;
    border-radius: 4px;
    margin: 27px auto 0px 0px;
}
.right-course-info .buy-btn .buy-btn-txt a{
    width: 64px;
    height: 22px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
    text-align: left;
    margin: 12px 36px 11px 35px;
    display: inline-block;
}


.bottom-course-info{
    width: 100%;
    /* height: 642px; */
    height: auto;
    background: #FFFFFF;
    border-radius: 8px;
    border: 1px solid #E9E9E9;
    margin-top: 20px;
}
.bottom-course-info .course-nav{
    width: 100%;
    height: 35px;
    display: flex;
    flex-direction: row;
    margin: 30px auto 20px 30px;
}
.bottom-course-info .course-nav a{
    /* width: 96px; */
    width: auto;
    height: 35px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 500;
    font-size: 24px;
    color: #666666;
    line-height: 35px;
    text-align: left;
    font-style: normal;
    margin-right: 60px;
}
.bottom-course-info .course-none {
    padding-bottom: 40px;
    background: #fff;
    display: none;
}
.bottom-course-info .course-block {
    display: block;
}
.bottom-course-info .course-nav a span{
    width: 8px;
    height: 8px;
    display: inline-block;
    margin-right: 16px;
    vertical-align: middle;
}
.bottom-course-info .course-nav a span.color-d{
    color: #0052D9; /* 文字颜色 - 对空元素无效 */
    background-color: #0052D9;  /* 添加背景颜色 */
    width: 8px;
    height: 8px;
    border-radius: 50%; 
}
.bottom-course-info .line{
    width: 1140px;
    height: 1px;
    background: #454545;
    opacity: 0.2;
    margin: 0 auto;
}
/* 课程介绍 start */
.course-des-container{
    width: 1140px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    margin-top: 37px;
}
.course-des-container .des-a, 
.course-des-container .des-b, 
.course-des-container .des-c{
    width: 340px;
    height: auto;
    display: flex;
    flex-direction: column;
    /* margin: 0px 30px 37px 0px; */
    margin: 0;
    flex-shrink: 0;
}
.course-des-container .des-a .title-container,
.course-des-container .des-b .title-container,
.course-des-container .des-c .title-container
{
    width: 100%;
    height: 64px;
    display: flex;
    flex-direction: row;
}
.course-des-container .des-a .title-container .left-icon,
.course-des-container .des-b .title-container .left-icon,
.course-des-container .des-c .title-container .left-icon
{
    width: 50px;
    height: 54px;
    margin: 11px 10px 6px 0px;
}

.course-des-container .des-a .title-container .left-icon img,
.course-des-container .des-b .title-container .left-icon img,
.course-des-container .des-c .title-container .left-icon img
{
    width: 100%;
    height: 100%;
}
.course-des-container .des-a .title-container .right-title-container,
.course-des-container .des-b .title-container .right-title-container,
.course-des-container .des-c .title-container .right-title-container
{
    /* width: 96px; */
    width: auto;
    height: 64px;
    display: flex;
    flex-direction: column;
}
.course-des-container .des-a .title-container .right-title-container .title-en-txt,
.course-des-container .des-b .title-container .right-title-container .title-en-txt,
.course-des-container .des-c .title-container .right-title-container .title-en-txt
{
    width: 49px;
    height: 29px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 20px;
    color: #333333;
    line-height: 29px;
    text-align: left;
    margin-right: 47px;
}
.course-des-container .des-a .title-container .right-title-container .title-zh-txt,
.course-des-container .des-b .title-container .right-title-container .title-zh-txt,
.course-des-container .des-c .title-container .right-title-container .title-zh-txt
{
    /* width: 96px; */
    width: auto;
    height: 35px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 500;
    font-size: 24px;
    color: #07367E;
    line-height: 35px;
    text-align: left;
    font-style: normal;
}
.course-des-container .des-a-content,
.course-des-container .des-b-content,
.course-des-container .des-c-content
{
    width: 340px;
    height: auto;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 28px;
    text-align: left;
    margin-top: 26px;
}
.course-des-container .line{
    width: 1px;
    height: 489px;
    background: #454545;
    opacity: 0.2;
    align-self: flex-start;
    margin: 0 30px;
    flex-shrink: 0;
}
/* 大纲案例 start */
#kc_zj{
    width: 1120px;
    height: auto;
    margin: 0 auto;
    margin-top: 20px;
}
#kc_zj h4{
    width: auto;
    height: 40px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 500;
    font-size: 18px;
    color: #07367E;
    line-height: 26px;
    text-align: left;
    margin-bottom: 14px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
#kc_zj h4 img{
    width: 18px;
    height: 10px;
    margin-left: 10px;
    transition: transform 0.3s;
}
#kc_zj h4 img.rotate {
    transform: rotate(180deg);
}

#kc_zj .one-z{
    margin-bottom: 34px;
}
#kc_zj .one-z-child{
    width: auto;
    height: 40px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 40px;
    text-align: left;
    margin-bottom: 14px;
    padding-left: 11px;
}
#kc_zj .one-z-child:hover {/* 添加鼠标悬停效果，设置背景色为#07367E */
    background: #07367E;
    color: #FFFFFF;
}
/* 服务升级 start */
.service-container{
    width: 1110px;
    height: auto;
    margin: 0px 50px 22px 40px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}
.service-container .service-item{
    width: 540px;
    /* height: 220px; */
    height: auto;
    background: #F5F9FF;
    display: flex;
    flex-direction: row;
    margin-top: 25px;
    margin-right: 29px;
    position: relative;
}
/* 去除每行最后一个元素的右边距 */
.service-container .service-item:nth-child(2n) {
    margin-right: 0;
}
.service-container .left-icon{
    width: 200px;
    height: 220px;
}
.service-container .left-icon img{
    width: 100%;
    height: 100%;
    border: 1px dashed #ddd;  /* 添加1px虚线边框，颜色使用浅灰色#ddd */
}
.service-container .right-txt-container{
    display: flex;
    flex-direction: column;
}
.service-container .right-txt-container .txt-title{
    /* width: 88px; */
    width: auto;
    height: 22px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 22px;
    color: #333333;
    line-height: 22px;
    text-align: left;
    margin: 43px auto 21px 20px;
}
.service-container .right-txt-container .txt-content{
    width: 280px;
    /* height: 72px; */
    height: auto;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 12px;
    color: #333333;
    line-height: 18px;
    text-align: left;
    margin: 0px 40px auto 20px;
}
.service-container .left-top-title{
    width: 80px;
    height: 80px;
    background: #1D4889;
    opacity: 0.9;
    position: absolute;
    top:-7px;
    left: 10px;
}
.service-container .left-top-title .left-top-title-txt{
    width: 44px;
    height: 22px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 22px;
    color: #FFFFFF;
    line-height: 22px;
    text-align: left;
    margin: 38px 18px 20px 18px;
}
/* 主讲老师 start */
.teacher-container{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 1140px;
    margin: 0 auto;
}
.teacher-container .teacher-item{
    width: 540px;
    height: 220px;
    background: #F5F9FF;
    margin: 25px auto 25px 10px;
    display: flex;
    flex-direction: row;
}
.teacher-container .teacher-item .left-img{
    width: 200px;
    height: 220px;
}
.teacher-container .teacher-item .left-img img{
    width: 100%;
    height: 100%;
}
.teacher-container .teacher-item .right-info{
    display: flex;
    flex-direction: column;
    margin-left: 20px;
}
.teacher-container .teacher-item .right-info .right-info-title{
    /* width: 150px; */
    width: auto;
    height: 22px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 22px;
    color: #333333;
    line-height: 22px;
    text-align: left;
    margin: 43px auto 21px 0px;
}
.teacher-container .teacher-item .right-info .right-info-content{
    width: 280px;
    height: 108px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 12px;
    color: #333333;
    line-height: 18px;
    text-align: left;
    margin: 0px 40px 26px 0px;
}

/* 认证标准 start */
.certificate{
    width: 1140px;
    height: auto;
    margin: 0 auto;
    margin-top: 20px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}
.hybzTitle{
    width: 1138px;
    height: 220px;
    background: url('/static/pc/course/images/hybzTitle.png') no-repeat left top;
    background-size: cover;
}
.hybzGrown{
    margin-top: 60px;
    width: 1138px;
    height: 502px;
    background: url('/static/pc/course/images/hybzGrown@2x.png?v=3') no-repeat left top;
    background-size: cover;
}
.hybzBztxws{
    margin-top: 60px;
    width: 1138px;
    height: 850px;
    background: url('/static/pc/course/images/hybzBztxws.png') no-repeat left top;
    background-size: cover;
}
.hybzExam{
    width: 1138px;
    height: 469px;
    background: url('/static/pc/course/images/hybzExam.png') no-repeat left top;
    background-size: cover;
}
.hybzBiaozhun{
    margin-top: 60px;
    width: 1138px;
    height: 548px;
    background: url('/static/pc/course/images/hybzBiaozhun.png') no-repeat left top;
    background-size: contain;
}
.hybzRight{
    cursor: pointer;
    margin-top: 60px;
    width: 1138px;
    height: 422px;
    background: url('/static/pc/course/images/hybzRight.png') no-repeat left top;
    background-size: contain;
}

.hybzExam{
    position: relative
}
.hybzExam a{
    cursor: pointer;
    width: 220px;
    height: 60px;
    position: absolute; left: 0; bottom: 65px;
}
/* 问答 start */
.qa-container{
    width: 1140px;
    height: auto;
    margin: 0 auto;
    margin-top: 20px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}
.qa-container .qa-item{
    display: flex;
    flex-direction: column;
    width: 540px;
    /* height: 180px; */
    height: auto;
    background: #FFFFFF;
    border: 1px solid #EAEAEA;
    margin: 25px auto 30px 10px;
    position: relative;
}
.qa-container .qa-item .question{
    display: flex;
    flex-direction: row;
    height: 24px;
    margin: 35px auto 23px 20px;
}
.qa-container .qa-item .question .question-left{
    width: 18px;
    height: 22px;
    font-family: Helvetica, Helvetica;
    font-weight: bold;
    font-size: 22px;
    color: #333333;
    line-height: 22px;
    text-align: left;
    margin: 2px 10px 0px 0px;
}
.qa-container .qa-item .question .question-right{
    /* width: 180px; */
    width: auto;
    height: 22px;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 18px;
    color: #07367E;
    line-height: 22px;
    text-align: left;
    margin-bottom: 2px;
}
.qa-container .qa-item .answer{
    display: flex;
    flex-direction: row;
    /* height: 78px; */
    height: auto;
    margin: 0px auto 22px 20px;
}
.qa-container .qa-item .answer .answer-left{
    width: 16px;
    height: 22px;
    font-family: Helvetica, Helvetica;
    font-weight: bold;
    font-size: 22px;
    color: #333333;
    line-height: 22px;
    text-align: left;
    margin: 3px 12px 53px 0px;
}
.qa-container .qa-item .answer .answer-right{
    /* width: 435px; */
    width: auto;
    /* height: 78px; */
    height: auto;
    font-family: SourceHanSansCNVF, SourceHanSansCNVF;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    line-height: 26px;
    text-align: left;
    font-style: normal;
    z-index: 2;
}
.qa-container .qa-item .top-right-pic{
    position: absolute; right: 1px; top: 2px;
    width: 86px;
    height: 110px;
    z-index: 1;
}
.qa-container .qa-item .top-right-pic img{
    width: 100%;
    height: 100%;
}