#banner{
    position: relative;
}
#banner>.text{
    position: absolute;
    bottom: 20%;
    left: 10%;
    color: white;
    font-size: 2rem;
    font-weight: 600;
}
.pcbanner {
    width: 100%;
    height: 550px;
    background: url(../images/brand-banner-bg.png) center center / cover no-repeat;
    overflow: hidden;
    margin-top: 0px;
}
#section1{
    padding: 5rem;
}
#section1 h1,h2{
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
}
#section1 .content{
    margin-bottom: 3rem;
}
#section1 .content>p{
    margin: 0;
    line-height: 3rem;
}
#section1 .row > div{
    padding-bottom: 23%;
    position: relative;
    box-sizing: border-box;
}
#section1 .row > div >.custom-card{
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    padding: 8px;
    border-radius: 20px;
}
#section1 .row > div >.custom-card>.card-content{
    background-color: #ebebeb;
    border-radius: 20px;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}
#section1 .row > div >.custom-card>.card-content>img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: ease .7s;
}
#section1 .row > div >.custom-card>.card-content>img:hover{
    transform: scale(1.05);
}
#section1 .row > div >.custom-card>.card-content>.card-jiao{
    text-align: left;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);    /* 相对元素自身平移50% */
    display: inline-block;
    color: #3f3f3f;
}
#section1 .row > div >.custom-card>.card-content>.card-jiao>p{
    margin: 0;
    font-size: 1.2rem;
    white-space: nowrap;
}

#section2{
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
#section2 .title{
    text-align: center;
    color: white;
    padding: 8rem 0;
}
#section2 .title>h1{
    font-size: 2rem;
    font-weight: 600;
}
#section2 .title>h2{
    margin-top: 1.5rem;
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 0;
}
/* x轴溢出隐藏，y轴溢出正常显示 */
#section2 .time-axis-nav>.slick-slider>.slick-list{
    overflow: visible;
    height: 100%;
}
#section2 .time-axis-nav .slick-arrow{
    width: 3rem;
    height: 3rem;
    display: inline-block;
    border-radius: 50%;
    border: 1px solid white;
    z-index: 1;
}
#section2 .time-axis-nav .slick-arrow.slick-disabled{
    border-color: rgba(255, 255, 255, 0.25);
}
#section2 .time-axis-nav ul{
    color: white;
    width: 100%;
    margin: 0;
    font-size: 2.5rem;
}
#section2 .time-axis-nav li{
    display: none;
    cursor: pointer;
    height: 7rem;
    text-align: center;
    position: relative;
}
#section2 .time-axis-nav li.slick-active{
    display: block;
}
#section2 .time-axis-nav li.active>span{
    display: inline-block;
    height: 1.4rem;
    width: 1.4rem;
    border-radius: 50%;
    background-color: #d52e2b;
    border: 0.3rem solid #ffffff;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%,50%);
}
#section2 .time-axis-nav li.active>span::after{
    content: "";
    position: absolute;
    width: 0.7rem;
    height: 0.7rem;
    display: inline-block;
    border-right: 2px solid #d52e2b;
    border-bottom: 2px solid #d52e2b;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%) translateY(200%) rotate(45deg);
}

/* section3 */
#section3{
    padding: 2rem;
}
#section3 .time-axis-content{
    display: flex;
}
#section3 .time-axis-content>.left-content{
    position: relative;
    width: 15rem;
    padding: 0 3rem;
    border-right: 1px solid #bcbcbc;
}
#section3 .time-axis-content>.left-content>span{
    position: absolute;
    color: #d52e2b;
    font-size: 4rem;
    font-weight: 600;
}
#section3 .time-axis-content>.right-content{
    padding: 2rem 3rem;
}
#section3 .time-axis-content>.right-content p{
    position: relative;
    line-height: 3rem;
}
#section3 .time-axis-content>.right-content p::before{
    content: "";
    position: absolute;
    height: 1rem;
    width: 1rem;
    border: 1px solid #bcbcbc;
    background-color: white;
    border-radius: 50%;
    top: 50%;
    left: -3rem;
    transform: translate( -50%, -50%);
}



@media (max-width:480px) {
    #banner>.text{
        font-size: 1.4rem;
    }
    .pcbanner {
        width: 100%;
        height: 300px;
    }
    #section1{
        padding: 0;
    }
    #section1 .content>p{
        line-height: 2rem;
    }
    #section1 .row > div{
        padding-bottom: 50%;
    }
    #section2 .time-axis-nav .slick-arrow{
        width: 2rem;
        height: 2rem;
    }
    #section2 .time-axis-nav li{
        height: 3rem;
    }
    #section2>.lm{
        padding: 0 1rem;
    }
    #section2 > .lm .time-axis-nav{
            overflow: hidden;
    height: 80px;
    }

    #section3{
        padding: 3rem 0;
    }
    #section2 .time-axis-nav ul {
    font-size: 1.8rem;
    }
    #section3 .time-axis-content > .left-content > span {
    font-size: 2rem;
    }
    #section2 .time-axis-nav li {
        display:block;
    }
    #section3 .time-axis-content>.left-content { 
    width: 35%;
    height:160px;

}
    #section3 .time-axis-content>.right-content p {
    
    line-height: 1.5rem;
    margin:10px auto;
}
    #section3 .time-axis-content > .right-content {
         width: 65%;
         padding: 2rem 0rem 2rem 2rem;
    }
        #section3 .time-axis-content > .right-content p::before {
                left: -2rem;
        }
}