.banner {
    height: 700px;
    background: url('../images/pc/about.png') no-repeat;
    background-size: cover;
    background-position: center;
    padding-top: 158px;
}

.banner .banner-infos {
    width: 773px;
    height: 275px;
    margin: 0 auto;
    background: url('../images/pc/rect.png') no-repeat;
    background-size: 100% 100%;
    color: #FFFFFF;
}

.banner .banner-title {
    font-weight: bold;
    font-size: 48px;
    height: 50px;
    position: relative;
    top: -26px;
    margin-bottom: 14px;
}

.banner .banner-txt {
    font-size: 16px;
    margin-bottom: 24px;
}

.banner .banner-btn {
    display: none;
}

.profile {
    margin: 48px 0 70px;
}

.profile .profile-text {
    margin: 48px 0 28px;
}

.profile .profile-text p {
    font-size: 13px;
    color: #666666;
    line-height: 30px;
    text-indent: 2em;
}

.profile .profile-img {
    width: 940px;
    margin: 0 auto;
}

.profile .profile-img img {
    width: 100%;
}

.profile .mobile-part {
    display: none;
}

.profile .profile-address {
    width: 1200px;
}

.profile .profile-address img {
    width: 100%;
}

.profile .contact-list {
    margin: 60px 0 40px;
    display: flex;
    justify-content: space-between;
}

.profile .contact-item {
    width: 350px;
    height: 121px;
    border: 1px solid rgba(0, 0, 0, 0.3);
}

.profile .contact-icon {
    width: 90px;
    height: 30px;
    margin: -16px auto 20px;
    text-align: center;
    background: #ffffff;
}

.profile .contact-icon img {
    width: 30px;
    height: 30px;
}

.profile .contact-txt {
    font-size: 13px;
    color: #333333;
    text-align: center;
    width: 264px;
    margin: 0 auto 8px;
}

@media (max-width: 768px) {
    .banner {
        height: 6.32rem;
        background: url('../images/mobile/5.png') no-repeat;
        background-size: cover;
        background-position: center;
        padding-top: 0.74rem;
        color: #FFFFFF;
    }

    .banner .banner-infos {
        width: 100%;
        height: auto;
        background: none;
    }

    .banner .banner-title {
        font-weight: bold;
        font-size: 0.36rem;
        height: 0.4rem;
        margin-bottom: 0.24rem;
        top: 0;
    }

    .banner .banner-txt {
        font-size: 0.22rem;
        height: 0.34rem;
        width: 5.96rem;
        margin: 0 auto 0.14rem;
    }

    .banner .banner-btn {
        display: flex;
        width: 3rem;
        height: 0.8rem;
        background: #1D78E9;
        border-radius: 0.05rem;
        font-size: 0.26rem;
        margin: 0.4rem auto 0;
        box-sizing: border-box;
        color: #ffffff;
    }

    .banner .plain-btn {
        background: rgba(204, 227, 255, 0.2);
        border: 1px solid #FFFFFF;
    }

    .profile {
        margin: 0.46rem 0 0.8rem;
    }

    .profile .profile-img {
        width: 100%;
        margin: 0.3rem 0;
    }

    .profile .mobile-part {
        display: block;
    }

    .profile .profile-txt {
        font-size: 0.26rem;
        color: #666666;
        line-height: 0.36rem;
        text-indent: 2em;
    }

    .profile .profile-btn {
        width: 3rem;
        height: 0.8rem;
        background: rgba(204, 227, 255, 0.3);
        border-radius: 0.05rem;
        border: 1px solid #1D78E9;
        font-size: 0.24rem;
        color: #1D78E9;
        margin: 0.6rem auto 0;
    }

    .software {
        padding: 0.6rem 0;
        background: rgba(37, 55, 78, 0.03);
        margin: 0;
    }

    .relate {
        margin: 0.58rem 0 0.2rem;
        overflow: hidden;
    }

    .profile .contact-list {
        display: block;
        margin: 0;
    }

    .profile .profile-address {
        width: 100%;
        margin: 0.4rem 0 0.5rem;
    }

    .profile .contact-item {
        width: 5rem;
        height: 1.8rem;
        margin: 0 auto 0.6rem;
    }

    .profile .contact-icon {
        width: 1rem;
        height: 0.5rem;
        margin: -0.2rem auto 0.1rem;
    }

    .profile .contact-icon img {
        width: 0.5rem;
        height: 0.5rem;
        margin-top: -1.3rem;
    }

    .profile .contact-txt {
       font-size: 0.26rem;
        width: 4.26rem;
        margin: 0 auto 0.1rem; 
    }
}