.desy-about4 {
    padding-bottom: 80px;
    background: #131313;
}

.desy-about4 .title {
    margin-bottom: 60px;
}

.desy-about4 .title h2 {
    text-align: center;
    background#131313;
    line-height: 70px;
}

.desy-about4 ul {}

.desy-about4 ul li {
    display: -webkit-flex;
    display: flex;
}

.desy-about4 ul li+li {
    margin-top: 70px;
}

.desy-about4 ul li .pic {
    width: 45%;
    display: block;
    overflow: hidden;
}

.desy-about4 ul li .pic img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    height: 100%;
    object-fit: contain;
    transition: all 0.3s ease 0s;
    -webkit-transition: all 0.3s ease 0s;
}

.desy-about4 ul li .txt {
    -webkit-flex: 1;
    flex: 1;
    margin: 0 0 0 66px;
    overflow: hidden;
    box-sizing: border-box;
    border-bottom: 1px solid #D6D6D6;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-flex-direction: column;
    flex-direction: column;
}

.desy-about4 ul li .txt h5 {
    font-size: 26px;
    color: #fff;
    font-weight: bold;
}

.desy-about4 ul li .txt h5::after{
    content: "";
    display: block;
    width: 80px;
    height: 5px;
    background: #ff5722;
    margin-top: 10px;
}

.desy-about4 ul li .txt p {
    font-size: 18px;
    color: #fff;
    line-height: 2;
    margin: 25px 0 0;
}

.desy-about4 ul li:nth-child(2n) {
    -webkit-flex-direction: row-reverse;
    flex-direction: row-reverse;
}

.desy-about4 ul li:nth-child(2n) .txt {
    margin: 0 66px 0 0;
}

.desy-about4 ul li .pic:hover img {
    transform: scale(1.05);
    -webkit-transform: scale(1.05);
}

@media screen and (max-width:1400px) {
    .desy-about4 {
        padding: 90px 0;
    }

    .desy-about4 ul li .txt p {
        font-size: 17px;
        line-height: 1.6;
        margin: 20px 0 0;
    }
}

@media screen and (max-width:1200px) {
    .desy-about4 .title h2 {
        font-size: 28px;
    }
}

@media screen and (max-width:992px) {
    .desy-about4 .title h2 {
        font-size: 26px;
    }
}

@media screen and (max-width:768px) {
  .desy-about4 ul li .txt h5::after{
    margin: 10px auto;
  }
    .desy-about4 .title h2 {
        font-size: 24px;
    }

    .desy-about4 {
        padding: 30px 0;
    }

    .desy-about4 ul li {
        -webkit-flex-direction: column;
        flex-direction: column;
    }

    .desy-about4 ul li+li {
        margin-top: 20px;
    }

    .desy-about4 ul li .pic {
        width: 100%;
        text-align: center;
    }

    .desy-about4 ul li .txt {
        margin: 20px 0 0;
        border-bottom: none;
    }

    .desy-about4 ul li .txt h5 {
        font-size: 22px;
        text-align: center;
    }

    .desy-about4 ul li .txt p {
        font-size: 16px;
        line-height: 1.4;
        margin: 15px 0 0;
    }

    .desy-about4 ul li:nth-child(2n) {
        -webkit-flex-direction: column;
        flex-direction: column;
    }

    .desy-about4 ul li:nth-child(2n) .txt {
        margin: 20px 0 0;
    }
}

@media screen and (max-width:576px) {
    .desy-about4 .title h2 {
        font-size: 22px;
    }
}