.sub-menu{
    width: 100%;
    height: auto;
    background: #fff;
    padding: 0.1rem 0;
}

.sub-menu ul{
    list-style: none;
    width: 84%;
    margin: 15px auto;
    display: flex;
    height: 30px;
}

.sub-menu ul li{
    display: block;
    margin-right: 3px;
    position: relative;
    height: 30px;
    font-weight: bold;
}

.sub-menu ul li a{
    line-height: 30px;
    color: #000;
    font-size: 15px;
    padding-left: 25px;
    padding-right: 25px;
    position: relative;
}

.sub-menu ul li.cur::before {
    width: 100%;
    left: 0;
}

.sub-menu ul li::before {
    position: absolute;
    z-index: 0;
    width: 0;
    height: 30px;
    left: 50%;
    top: 0;
    content: "";
    background: #e00046;
    transition: all 0.5s ease-in-out;
    -moz-transition: all 0.5s ease-in-out;
    -ms-transition: all 0.5s ease-in-out;
    -o-transition: all 0.5s ease-in-out;
    -webkit-transition: all 0.5s ease-in-out;
}
#about{
    background-color: #fff;
}
#about .content-a .head{
    position: relative;
    min-height: 100px;
}
#about .content-a .head .title {
    position: absolute;
    z-index: 99;
    left: 0;
    text-align: center;
    bottom: 15px;
    font-size: 2rem;
    line-height: 36px;
    color: #000;
    font-weight: 700;
}
#about .content-a .head::before {
    content: "01 ——————";
    position: absolute;
    z-index: 99;
    left: 0;
    top: 0;
    font-size: 12px;
    line-height: 20px;
    color: rgb(102, 102, 102);
}
#about .content-a .head .img{
    width: 88%;
    max-width: 570px;
    padding-top: 20px;
}
#about .content-a{
    width: 84%;
    margin: 100px auto;
}

.content-a .middle{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.content-a-1{
    margin-top: 2rem;
}
.content-a-1 .num{
    font-size: 2.5rem;
    color: #de0245;
    line-height: 70px;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
}
.content-a-1 .num span{
    font-size: 1.2rem;
}

.content-a-1 .body{
    font-size: 1rem;
    color: rgb(105, 105, 105);
    line-height: 24px;
}

.border-left{
    border-left: 1px dashed #ccc;
}

.content-b-wrapper{
    background-color: #f0f0f0;
    padding: 0rem 0rem;
}
.content-b{
    width: 100%;
    margin: 0 auto;
}
.content-b > .head{
    padding: 1rem;
}

.content-b > .head::before {
    color: #000;
    content: "02 ——————";
    left: 0;
}
.content-b .title{
    color: #000;
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
}
.content-b .body{
    width: 100%;
    height: auto;
    background: #fff;
    border-top-right-radius: 0;
    border-bottom-left-radius: 0;
    position: relative;
    flex-direction: column;
    display: flex;
    justify-content: flex-start;
    margin-top: 20px;
}
.content-b .body .list{
    list-style: none;
    margin: 0;
    height: auto;
    width: 100%;
    border-right: none;
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.content-b .body .list li{
    display: flex;
    box-sizing: border-box;
    border-left: none;
    width: auto;
    height: 40px;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    font-weight: bold;
}
.content-b .body .list li.cur{
    color: #de0245;
    background: none;
    border-left: none;
}
.content-b .body .box{
    width: 100%;
    margin-right: 0px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
}
.content-b .body .box .items{
    width: 100%;
    height: auto;
    display: none;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    
}
.content-b .items .body{
    width: 94%;
    margin: 0 auto;
}
.content-b .items dl{
    margin-top: 10px;
    margin-bottom: 10px;
}
.content-b .items dt{
    font-size: 1.4rem;
    font-weight: 700;
}

@media (min-width: 768px) {
    .content-b-wrapper{    
        padding: 4rem 1rem;
    }
    .content-b{
        width: 84%;
    }
    .content-b > .head{
        padding: 1rem;
    }
    .content-b > .body{
        width: 100%;
        height: auto;
        background: #fff;
        border-top-right-radius: 25px;
        border-bottom-left-radius: 25px;
        position: relative;
        display: flex;
        flex-direction: unset;
        justify-content: space-between;
    }
    .content-b .body .list{
        height: auto;
        width: 202px;
        border-right: 1px solid #ccc;
        display: block;
        padding-left: unset;
    }
    
    .content-b .body .list li{
        
        
        box-sizing: border-box;
        width: 202px;
        height: 120px;
        justify-content: center;
        align-items: center;
        font-size: 16px;
        font-weight: bold;
    }
    .content-b .body .list li.cur{
        background: #595959;
        border-left: 3px solid #de0245;
        color: #fff;
    }
    .content-b .body .box{
        width: calc(100% - 270px);
        margin-right: 30px;
        display: flex;
        align-items: center;
    }
    .content-b .body .box .items{
        width: 100%;
        height: auto;
        display: none;
        justify-content: space-between;
        align-items: center;
        flex-direction: unset;
    }
    .content-b .body .box .items .head{
        width: 36%;
    }
    .content-b .body .box .items .body{
        width: 58%;
    }
}

.content-c{
    overflow: hidden;
    width: 94%;
    margin: 0 auto;
    position: relative;
    padding: 3rem 0;
}
.content-c .video-cover::before{
    width: 56px;
    height: 56px;
    position: absolute;
    z-index: 99;
    left: 50%;
    margin-left: -28px;
    top: 50%;
    z-index: 99;
    margin-top: -28px;
    content: "";
    background: url(../images/icon/video-ico.png) no-repeat;
    transition: all 0.5s ease-in-out;
    -moz-transition: all 0.5s ease-in-out;
    -ms-transition: all 0.5s ease-in-out;
    -o-transition: all 0.5s ease-in-out;
    -webkit-transition: all 0.5s ease-in-out;
}
.content-c .video-cover{
    position: relative;
    height: 100%;
}
.content-c .video-cover img{
    display: block;
    height: 100%;
    object-fit: cover;
    border-top-right-radius: 25px;
    border-bottom-left-radius: 25px;
}

.content-c .head::before{
    color: #000;
    content: "03 ——————";
    left: 0;
}
.content-c .content-right{
    margin-top: 2rem;
}
.content-c .title{
    font-size: 1.5rem;
    font-weight: 700;
    color: #000;
    margin-top: 1.5rem;
}
.content-c .body{
    margin-top: 1rem;
    
}
.content-c .links{
    margin-top: 3rem;
}
.content-c .links .img{
    width: 30%;
    margin: 0 auto;
}
.content-c .links .text{
    margin-top: 1rem;
    text-align: center;
}

.content-thai{
    width: 94%;
    margin: 1rem auto;
}
.content-thai .head{
    position: relative;
    min-height: 8.5rem;
}
.content-thai .head img{
    display: block;
    margin: 0 auto;
}
.content-thai .head .title{
    position: absolute;
    bottom: 0;
    width: 100%;
    text-align: center;
    font-size: 1.6rem;
    font-weight: bold;
    color: #000;
}
.content-thai .links{
    margin-top: 1rem;
}
.content-thai .links .img{
    margin-top: 2rem;
}

.content-thai .links img{
    display: block;
    margin: 0 auto;
    max-width: 100%;
}
.content-thai .links .text{
    margin-top: 1rem;
    text-align: center;
}
.content-thai .links .text h4{
    font-size: 1.2rem;
    font-weight: bold;
    height: 3rem;
    color: #000;
}