.introduction-content{
    margin: 40px 0 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.introduction-content .introduction-content-text{
    width: 45%;
}
.introduction-content .introduction-content-text .introduction-content-title{
    font-weight: bold;
    font-size: 30px;
    color: #000000;
    line-height: 33px;
}
.introduction-content .introduction-content-text .introduction-content-description {
    font-size: 14px;
    color: #1A1A1A;
    line-height: 30px;
    margin-top: 30px;
}
.introduction-content .introduction-img{
    width: 50%;
    aspect-ratio: 600 / 360;
}
.introduction-content .introduction-img img{
    width: 100%;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .introduction-content{
        margin: 30px auto 60px;
    }
    .introduction-content .introduction-content-text .introduction-content-title{
        font-size: 24px;
        line-height: 27px;
    }
    .introduction-content .introduction-content-text .introduction-content-description{
        font-size: 12px;
        line-height: 24px;
        margin-top: 20px;
    }
}
@media only screen and (max-width: 1000px) {
    .introduction-content{
        margin: 20px auto 40px;
    }
    .introduction-content .introduction-content-text .introduction-content-title{
        font-size: 18px;
        line-height: 20px;
    }
    .introduction-content .introduction-content-text .introduction-content-description{
        font-size: 12px;
        line-height: 18px;
        margin-top: 15px;
    }
}


.about-warp{
    width: 100%;
    margin: 0 auto;
    padding: 80px 0;
    background: #F4F4F4;
}
.about{
    width: 1200px;
    margin: 0 auto;
}
.about .about-content{
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
}
.about .about-content .about-item{
    width: 24%;
    background: #FFFFFF;
    border: 1px solid #E4E4E4;
    padding: 30px 16px;
    cursor: pointer;
}
.about .about-content .about-item .about-item-icon{
    width: 40px;
    height: 40px;
    overflow: hidden;
}
.about .about-content .about-item .about-item-icon img{
    width: 100%;
    height: 100%;
    transition: all 0.5s;
}
.about .about-content .about-item:hover .about-item-icon img{
    transform: rotateY(180deg);
}
.about .about-content .about-item .about-item-title{
    font-weight: bold;
    font-size: 20px;
    color: #1A1A1A;
    line-height: 22px;
    margin: 20px 0;
}
.about .about-content .about-item .about-item-desc{
    font-size: 14px;
    color: #666666;
    line-height: 21px;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .about-warp{
        padding: 60px 0;
    }
    .about{
        width: 900px;
    }
    .about .about-content{
        margin-top: 30px;
    }
    .about .about-content .about-item{
        padding: 20px 10px;
    }
    .about .about-content .about-item .about-item-icon{
        width: 30px;
        height: 30px;
    }
    .about .about-content .about-item .about-item-title{
        font-size: 16px;
        line-height: 18px;
        margin: 15px 0;
    }
    .about .about-content .about-item .about-item-desc{
        font-size: 12px;
        line-height: 18px;
    }
}
@media only screen and (max-width: 1000px) {
    .about-warp{
        padding: 40px 0;
    }
    .about{
        width: 700px;
    }
    .about .about-content{
        margin-top: 20px;
    }
    .about .about-content .about-item{
        padding: 10px;
    }
    .about .about-content .about-item .about-item-icon{
        width: 24px;
        height: 24px;
    }
    .about .about-content .about-item .about-item-title{
        font-size: 14px;
        line-height: 16px;
        margin: 10px 0;
    }
    .about .about-content .about-item .about-item-desc{
        font-size: 12px;
        line-height: 18px;
    }
}

.partner{
    width: 1200px;
    margin: 80px auto;
}
.partner .partner-content{
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
}
.partner .partner-content .partner-item{
    width: 20%;
    aspect-ratio: 240 / 104;
    overflow: hidden;
}
.partner .partner-content .partner-item img{
    width: 100%;
    height: 100%;
    transition: all 0.5s;
}
.partner .partner-content .partner-item:hover img{
    transform: scale(1.1);
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .partner{
        width: 900px;
        margin: 60px auto;
    }
    .partner .partner-content{
        margin-top: 30px;
    }
}
@media only screen and (max-width: 1000px) {
    .partner{
        width: 700px;
        margin: 40px auto;
    }
    .partner .partner-content{
        margin-top: 20px;
    }
}