/* 1.超小屏幕下 小于768 布局容器的宽度为100% */
@media screen and (max-width: 1220px) {
  #occ-shipping .yd-content {
    padding-top: 60px;
  }
  #occ-shipping .yd-content .banner-img {
    position: relative;
  }
  #occ-shipping .yd-content .banner-img .banner-mask {
    padding: 20px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: radial-gradient(rgba(0, 0, 0, 0.5), transparent);
  }
  #occ-shipping .yd-content .banner-img .banner-mask h1 {
    font-size: 18px;
    color: #e5e5e5;
  }
  #occ-shipping .yd-content .banner-img .banner-mask h3 {
    margin-top: 20px;
    font-size: 14px;
    color: #e5e5e5;
    line-height: 18px;
  }
  #occ-shipping .yd-content .detail-card {
    padding: 20px;
  }
  #occ-shipping .yd-content .detail-card .detail-info {
    position: relative;
    transform: translateY(-50px);
    padding: 20px;
    width: 100%;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px #e5e5e5;
  }
  #occ-shipping .yd-content .detail-card .detail-info .detail-item {
    margin-top: 20px;
  }
  #occ-shipping .yd-content .detail-card .detail-info .detail-item .info-title {
    padding-left: 6px;
    color: #194ac3;
    font-size: 15px;
    font-weight: 700;
    border-left: 3px solid #194ac3;
  }
  #occ-shipping .yd-content .detail-card .detail-info .detail-item .info-img {
    margin-top: 20px;
    width: 100%;
    height: 168px;
    object-fit: cover;
  }
  #occ-shipping .yd-content .detail-card .detail-info .detail-item .info-tag {
    margin-top: 10px;
    font-size: 12px;
    color: #5f6464;
    letter-spacing: 2px;
    line-height: 14px;
  }
  #occ-shipping .yd-content .detail-card .detail-info .detail-item:first-child {
    margin-top: 0;
  }
  #occ-shipping .yd-content .detail-card .detail-info .course-card {
    margin-top: 20px;
  }
  #occ-shipping .yd-content .detail-card .detail-info .course-card .title {
    margin-bottom: 20px;
    text-align: center;
    font-size: 15px;
    color: #194ac3;
    font-weight: 700;
  }
  #occ-shipping .yd-content .detail-card .detail-info .course-card .card-info {
    position: relative;
    padding-left: 22px;
    padding-top: 10px;
    border-left: 2px solid #194ac3;
  }
  #occ-shipping .yd-content .detail-card .detail-info .course-card .card-info .prototype {
    position: absolute;
    left: -13px;
    top: -13px;
    width: 26px;
    height: 26px;
    background-color: #194ac3;
    border-radius: 50%;
    display: flex;
    justify-content: space-around;
    align-items: center;
  }
  #occ-shipping .yd-content .detail-card .detail-info .course-card .card-info .prototype .prototype-white {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #fff;
  }
  #occ-shipping .yd-content .detail-card .detail-info .course-card .card-info .info-title {
    color: #505050;
    font-size: 12px;
    font-weight: 700;
  }
  #occ-shipping .yd-content .detail-card .detail-info .course-card .card-info .info-img {
    margin: 10px 0;
    width: 100%;
    height: 196px;
    object-fit: cover;
  }
  #occ-shipping .yd-content .detail-card .detail-info .course-card .card-info .info-tag {
    color: #505050;
    font-size: 12px;
    line-height: 16px;
  }
}
/* 4.大屏幕下 大于等于1200px 布局容器修改为1170px */
@media screen and (min-width: 1221px) {
  #occ-shipping {
    width: 100%;
  }
  #occ-shipping .pc-content {
    width: 100%;
  }
  #occ-shipping .pc-content .banner-1 {
    position: relative;
    width: 100%;
    height: 600px;
  }
  #occ-shipping .pc-content .banner-1 .banner-1-img {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 9;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  #occ-shipping .pc-content .banner-1 .banner-mask {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 99;
    width: 100%;
    height: 100%;
  }
  #occ-shipping .pc-content .banner-1 .banner-mask .mask-card {
    margin: 0 auto;
    width: 1200px;
  }
  #occ-shipping .pc-content .banner-1 .banner-mask .mask-card .card-content {
    position: absolute;
    top: 50%;
    z-index: 999;
    transform: translateY(-50%);
  }
  #occ-shipping .pc-content .banner-1 .banner-mask .mask-card .card-content h1 {
    margin-bottom: 20px;
    font-size: 44px;
    color: #505050;
  }
  #occ-shipping .pc-content .banner-1 .banner-mask .mask-card .card-content h2 {
    margin-bottom: 20px;
    color: #2a2e2e;
    font-size: 20px;
  }
  #occ-shipping .pc-content .content-card {
    padding: 28px;
    position: relative;
    left: 50%;
    z-index: 100;
    transform: translate(-50%, -60px);
    width: 1200px;
    border-radius: 5px;
    background-color: #fff;
    box-shadow: 0 0 10px #e5e5e5;
  }
  #occ-shipping .pc-content .content-card .title {
    text-align: center;
    color: #194ac3;
    font-size: 28px;
    font-weight: 700;
  }
  #occ-shipping .pc-content .content-card .brief-introduction {
    margin-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  #occ-shipping .pc-content .content-card .brief-introduction .info-card {
    width: 550px;
  }
  #occ-shipping .pc-content .content-card .brief-introduction .info-card img {
    width: 100%;
    height: 336px;
    object-fit: cover;
  }
  #occ-shipping .pc-content .content-card .brief-introduction .info-card .info-tag {
    margin-top: 20px;
    padding-left: 10px;
    font-weight: 600;
    font-size: 20px;
    color: #194ac3;
    border-left: 4px solid #194ac3;
  }
  #occ-shipping .pc-content .content-card .brief-introduction .info-card .detail {
    margin-top: 20px;
    font-size: 14px;
    color: #5f6464;
    letter-spacing: 2px;
    line-height: 26px;
  }
  #occ-shipping .pc-content .content-card .course-card {
    margin: 0 auto;
    margin-top: 40px;
    width: 900px;
    display: flex;
    flex-wrap: wrap;
  }
  #occ-shipping .pc-content .content-card .course-card .course-info {
    position: relative;
    padding: 20px;
    width: 50%;
    border-right: 2px solid #194ac3;
  }
  #occ-shipping .pc-content .content-card .course-card .course-info .prototype {
    position: absolute;
    right: -19px;
    top: -19px;
    z-index: 9;
    width: 38px;
    height: 38px;
    background-color: #194ac3;
    border-radius: 50%;
    display: flex;
    justify-content: space-around;
    align-items: center;
  }
  #occ-shipping .pc-content .content-card .course-card .course-info .prototype .prototype-white {
    width: 22px;
    height: 22px;
    background-color: #fff;
    border-radius: 50%;
  }
  #occ-shipping .pc-content .content-card .course-card .course-info .info-title {
    margin-bottom: 20px;
    font-size: 20px;
    color: #383838;
    font-weight: 700;
  }
  #occ-shipping .pc-content .content-card .course-card .course-info .info-tag {
    margin-top: 10px;
    font-size: 14px;
    color: #5f6464;
    letter-spacing: 2px;
    line-height: 16px;
  }
  #occ-shipping .pc-content .content-card .course-card .border-none {
    border-right: 2px solid #fff;
  }
  #occ-shipping .pc-content .content-card .course-card .right {
    text-align: right;
  }
  #occ-shipping .pc-content .content-card .course-card .left {
    text-align: left;
    box-sizing: border-box;
  }
}