.head-page .about_item >a::after{
    transform: scaleX(1);
    opacity: 1;
}
.head-page .about_item >a span{
    color: #dac399;
}
.about_pg03{
    background: url(../img/course-bg.jpg) no-repeat center;
}
.about_pg03 .items03-lists {
    padding: 0 80px;
    margin-top: 65px;
    height: 400px;
    position: relative;
    box-sizing: border-box;
    color: #fff;
}
.about_pg03 .items03-lists .swiper-container {
    position: relative;
    padding: 20px 55px;
}
.about_pg03 .items03-lists .swiper-container:before {
    position: absolute;
    content: "";
    width: 200%;
    height: 1px;
    top: 0;
    bottom: 0;
    left: -50%;
    margin: auto;
    background: rgba(255, 255, 255, 0.4);
}
.about_pg03 .items03-lists .swiper-container, .about_pg03 .items03-lists .swiper-wrapper, .about_pg03 .items03-lists .swiper-slide {
    height: 100%;
}
.about_pg03 .items03-lists .swiper-slide {
    position: relative;
    padding: 0 20px;
    box-sizing: border-box;
    left: 0;
    overflow: initial;
}
.about_pg03 .items03-lists .swiper-slide:before {
    position: absolute;
    content: "";
    width: 1px;
    height: 50%;
    left: 0;
    background: rgba(255, 255, 255, 0.4);
}
.about_pg03 .items03-lists .swiper-slide:nth-child(2n+1):before {
    top: 0;
}
.about_pg03 .items03-lists .items {
    max-height: 50%;
    overflow-y: auto;
    position: absolute;
    width: 180%;
}
.about_pg03 .items03-lists .swiper-slide:nth-child(2n+1) .items {
    top: 0;
}
.about_pg03 .items03-lists .swiper-slide:nth-child(2n+2):before {
    bottom: 0;
}
.about_pg03 .items03-lists .swiper-slide .time {
    line-height: 1;
}
.about_pg03 .items03-lists .swiper-slide .wens {
    margin-top: 15px;
}
.about_pg03 .items03-lists .swiper-slide:after {
    position: absolute;
    content: "";
    width: 5px;
    height: 5px;
    left: -2px;
    border-radius: 50%;
    background: white;
}
.about_pg03 .items03-lists .swiper-slide:nth-child(2n+1):after {
    top: -2px;
}
.about_pg03 .items03-lists .swiper-slide:nth-child(2n+2):after {
    bottom: -2px;
}
.about_pg03 .items03-lists .swiper-slide:nth-child(2n+2) .items {
    bottom: 0;
}
.about_pg03 .items03-lists .btnds {
    width: 80px;
    height: 80px;
    border: 1px solid rgba(255, 255, 255, .5);
    border-radius: 50%;
    margin: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    transition: .5s ease-in-out;
    outline: none;
    transition: all .4s;
    background-image: none;
}
.about_pg03 .items03-lists .btnds::after{
    font-size: 30px;
    color: rgba(255,255,255,.5);
    transition: all .4s;
}
.about_pg03 .items03-lists .swiper-button-prev{
    left: 0;
}
.about_pg03 .items03-lists .swiper-button-next{
    right: 0;
}
.about_pg03 .items03-lists .btnds:hover{
    background: #dac399;
    border: 1px solid #dac399;
}
@media(max-width:1280px) {
    .about_pg03 .items03-lists .btnds{
        width: 65px;
        height: 65px;
    }
    .about_pg03 .items03-lists{
        padding: 0 65px;
    }
    .about_pg03 .items03-lists .btnds::after{
        font-size: 22px;
    }
}
@media(max-width:1200px) {
    .about_pg03 .items03-lists .btnds{
        width: 60px;
        height: 60px;
    }
    .about_pg03 .items03-lists{
        padding: 0 60px;
    }
    .about_pg03 .items03-lists .btnds::after{
        font-size: 20px;
    }
}
@media(max-width:768px) {
    .about_pg03 .items03-lists .btnds {
        width: 42px;
        height: 42px;
    }
    .about_pg03 .items03-lists {
        padding: 0 42px;
    }
    .about_pg03 .items03-lists .btnds::after {
        font-size: 14px;
    }
}