.content {
    width: 100%;
    background: #f8f8f8;
}

.content .contentbox {
    width: 1300px;
    margin: 0 auto;
}

.content .contentbox .headtitle {
    display: flex;
}

.content .contentbox .headtitle .title-name {
    width: 320px;
    height: 140px;
    margin-top: -70px;
    background: url("../images/title-bg.png") no-repeat;
    background-size: cover;
    font-size: 32px;
    font-family: PingFang-SC-Heavy, PingFang-SC;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 100px;
    padding-left: 40px;
    position: relative;
}

.content .contentbox .headtitle .title-name::before {
    content: '';
    position: absolute;
    top: 94px;
    left: 40px;
    width: 62px;
    height: 4px;
    background: #FFFFFF;
    border-radius: 3px;
}

.content .contentbox .headtitle .title-nav {
    margin-left: 40px;
    display: flex;
    width: 940px;
    justify-content: space-between;
    padding: 23px 2px;
}

.headtitle .title-nav .leader {
    height: 22px;
    font-size: 22px;
    font-family: PingFang-SC-Heavy, PingFang-SC;
    font-weight: 800;
    color: #121212;
    line-height: 22px;
}

.headtitle .title-nav .local {
    display: flex;
    align-items: center;
}

.headtitle .title-nav .local img {
    width: 14px;
    height: 14px;
    padding: 0 5px;
}

.headtitle .title-nav .local span:nth-child(1) {
    height: 14px;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #898989;
    line-height: 14px;
}

.headtitle .title-nav .local span:nth-child(2),
.headtitle .title-nav .local span:nth-child(4) {
    height: 14px;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #121212;
    line-height: 14px;
}

.headtitle .title-nav .local span:nth-child(6) {
    height: 14px;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #004FA7;
    line-height: 14px;
}

.content .contentbox .centerbox {
    background: #fff;
    display: flex;
}

.content .contentbox .leftnav {
    width: 300px;
    margin-left: 20px;
}

.content .contentbox .leftnav li {
    width: 100%;
    height: 72px;
    background: #F5F6F9;
    font-size: 20px;
    font-family: PingFang-SC-Bold, PingFang-SC;
    font-weight: bold;
    line-height: 72px;
    padding-left: 30px;
    box-sizing: border-box;
    border-bottom: 1px solid #ccc;
}

.content .contentbox .leftnav .navactive {
    background: #fff;
    position: relative;
}

.content .contentbox .leftnav .navactive a {
    color: #004FA7;
}

.content .contentbox .leftnav .navactive::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 72px;
    background: #004FA7;
    left: -6px;
}

.content .contentbox .leftnav li a {
    color: #121212;
}

.content .contentbox .teach {
    width: 940px;
    margin-left: 40px;
    margin-bottom: 250px;
}

.content .contentbox .teach .teachbox {
    margin-top: 28px;
    border: 1px solid #CCCCCC;
    height: 156px;
}

.content .contentbox .teach .teachbox .teachclass {
    width: 172px;
    height: 44px;
    background: #004FA7;
    font-size: 20px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 44px;
    padding-left: 16px;
}

.content .contentbox .teach .teachbox ul {
    width: 940px;
    height: 110px;
    display: flex;
    flex-wrap: wrap;
    padding: 20px 0 20px;
    box-sizing: border-box;
}

.content .contentbox .teach .teachbox ul li {
    width: 156px;
    height: 36px;
    font-size: 16px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #121212;
    line-height: 16px;
    text-align: center;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s;
}

.content .contentbox .teach .teachbox ul .teachactive {
    font-weight: 600;
    position: relative;
    cursor: pointer;
}

.content .contentbox .teach .teachbox ul .teachactive a {}

.content .contentbox .teach .teachbox ul  a:hover {
    color: #094393 !important;

}

.content .contentbox .teach .teachbox ul .teachactive::before {
    content: '';
    position: absolute;
    left: 55px;
    width: 48px;
    height: 2px;
    background: #094393;
    top: 25px;
    border-radius: 2px;
}