.about-page{
    position: relative;
    background: linear-gradient(180deg, #AEDAFE, #FAFAFA);
}
.about-page .about-bg{
    position: absolute;
    top: 82px;
    left: 0;
    width: 672px;
    max-width: 40%;
    display: block;
}
.intro-sec{
    padding: 83px 0 132px;
    position: relative;
    z-index: 3;
}
.intro-sec .bg-watermark{
font-weight: bold;
color: #FFFFFF;
line-height: 1;
}
.intro-sec .outline{
font-weight: bold;
color: rgba(250, 250, 250, 0);
line-height: 1;
text-stroke: 2px #FFFFFF;
opacity: 0.2;
-webkit-text-stroke: 2px #FFFFFF;
}
.intro-sec .intro-content{

}
.intro-sec .intro-content h2{
font-weight: bold;
color: #222222;
line-height: 1.27em;
margin-top: -2.7em;
}
.intro-sec .intro-content .text-box{
    margin-top: 47px;
    font-size: 18px;
color: #222222;
line-height: 30px;
}
.intro-sec .intro-content .feature-video{
    margin-top: 70px;
}
.intro-sec .intro-content .feature-video video{
    border-radius: 20px;
    display: block;
    max-width: 100%;
    cursor: pointer;
    margin: 0 auto;
}
.factory-sec{
    padding-bottom: 145px;
}
.factory-sec .factory-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 70px;
}
.factory-sec .factory-grid .pic{
    border-radius: 10px;
}
.factory-sec .factory-grid .picCover{
    padding-top: 73.33%;
}
.partner-section{
    padding-top: 120px;
    background: rgba(240, 244, 246, 1);
}
.partner-section .section-title{
    text-align: left;
}
@media (max-width:1280px) {
    .intro-sec .intro-content h2{
        margin-top: 0;
    }
    .intro-sec .intro-content .text-box{
        margin-top: 30px;
    }
}
@media (max-width:1199px) {
    .intro-sec{
        padding: 75px 0;
    }
    .factory-sec{
        padding-bottom: 75px;
    }
    .partner-section{
        padding-top: 75px;
    }
    .intro-sec .intro-content .feature-video,
    .factory-sec .factory-grid{
        margin-top: 45px;
    }
}
@media (max-width:1024px) {
    .intro-sec .intro-content .text-box{
        margin-top: 20px;
    }
    .intro-sec{
        padding: 65px 0;
    }
    .factory-sec{
        padding-bottom: 65px;
    }
    .partner-section{
        padding-top: 65px;
    }
    .intro-sec .intro-content .feature-video,
    .factory-sec .factory-grid{
        margin-top: 40px;
    }
    .factory-sec .factory-grid{
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}
@media (max-width: 768px) {
    .intro-sec{
        padding: 55px 0;
    }
    .factory-sec{
        padding-bottom: 55px;
    }
    .partner-section{
        padding-top: 55px;
    }
    .intro-sec .intro-content .feature-video,
    .factory-sec .factory-grid{
        margin-top: 30px;
    }
    .intro-sec .intro-content .text-box{
        font-size: 16px;
        line-height: 26px;
    }
}
@media (max-width: 500px) {
    .factory-sec .factory-grid{
        grid-template-columns: repeat(1, 1fr);
    }
    .intro-sec .intro-content .text-box{
        margin-top: 10px;
    }
    .intro-sec{
        padding: 45px 0;
    }
    .factory-sec{
        padding-bottom: 45px;
    }
    .partner-section{
        padding-top: 45px;
    }
    .intro-sec .intro-content .feature-video,
    .factory-sec .factory-grid{
        margin-top: 25px;
    }
}