.banner-box{
    width: 100%;
    padding-top: 60px;
    height: 460px;
    position: relative;
}
.banner-list{
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: block;
    position: relative;
}
.banner-list span{
    width: 100%;
    height: 120%;
    display: block;
    position: absolute;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    transition: all .3s linear;
}
.banner-slong{
    font-size: 36px;
    letter-spacing: 8px;
    position: absolute;
    top: 48%;
    color: #FFF;
    z-index: 9;
    width: 100%;
    text-align: center;

}



/* --------------about------------- */
.about-b-box,
.teacher-b-box{
    width: 100%;
    display: block;
    position: relative;
}
.about-bg{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-image: url('../img/about-bg.jpg');
    opacity: 0.3;
    pointer-events: none;
}
.about-box{
    width: 1200px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    position: relative;
    z-index: 3;
}
.about-title-box{
    width: 130px;
    max-width: 100%;
    display: block;
    margin:  0 auto;
    text-align: center;
    padding: 30px 0;
}

.about-icon{
    width: 100%;
    display: block;
    text-align: center;
}

.about-title{
    font-size: 28px;
    color: #ea4504;
    display: block;
    text-align: center;
    letter-spacing: 4px;
}
.about-info-box{
    width: 100%;
    display: block;
}
.about-info-title{
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 2px;
    color: #0491ea;
    display: block;
    padding-top: 10px;
    padding-bottom: 10px;
}

.about-info-p{
    font-size: 18px;
    color: #333333;
    line-height: 2;
    letter-spacing: 3px;
    padding-bottom: 40px;
}

.color-o{
    color: #ea4504;
    font-weight: bold;
}

.about-img-box{
    width: 100%;
    display: block;
    position: relative;
    z-index: 3;
}
.about-box2{
    padding-bottom: 150px;
}


.about-b-icon1{
    width: 500px;
    max-width: 100%;
    display: block;
    position: absolute;
    bottom: -100px;
    left: -150px;
    
}

.about-b-icon2{
    width: 400px;
    max-width: 100%;
    display: block;
    right: 0;
    bottom: 0;
    position: absolute;
}