#page4 {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
}

#page4_mobile {
    display: none;
}

#page4 .logo {
    width: 6.00rem;
    /* height: 100rem; */
    margin-top: 1.12rem;
}

#page4 .btn {
    box-sizing: border-box;
    width: 1.80rem;
    height: .44rem;
    font-family: 'HarmonyOS Sans SC';
    font-weight: 400;
    font-size: .14rem;
    color: #EF3018;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.5em;
    margin-top: 2.50rem;
    cursor: pointer;
}

#page4 .content-box {
    width: 100%;
    position: relative;
}

#page4 .content-box .car {
    width: 10.70rem;
    height: 5.00rem;
    position: absolute;
    right: .50rem;
    top: .96rem;
    z-index: -1;
    opacity: 0;
    transition: 0.5s;
}

#page4 .content-box .text-box {
    margin-top: 1.09rem;
    margin-left: 1.80rem;
    display: flex;
    flex-direction: column;
}

#page4 .content-box .text-box .parice {
    font-family: 'HarmonyOS Sans SC';
    font-weight: 400;
    font-size: .22rem;
    color: #EF3018;
    display: flex;
    align-items: baseline;
}

#page4 .content-box .text-box .parice span {
    font-size: .32rem;
}

#page4 .content-box .text-box .tips {
    font-family: 'HarmonyOS Sans SC';
    font-weight: 400;
    font-size: .12rem;
    letter-spacing: 0.1em;
    color: #333333;
    margin-top: .08rem;
}

#page4 .content-box .text-box .parameter {
    display: flex;
    align-items: center;
    gap: .30rem;
    margin-top: .30rem;
}

#page4 .content-box .text-box .parameter .item {
    display: flex;
    flex-direction: column;
    gap: .10rem;
}

#page4 .content-box .text-box .parameter .item .item-title {
    font-family: 'HarmonyOS Sans SC';
    font-size: .19rem;
    color: #000000;
}

#page4 .content-box .text-box .parameter .item .item-info {
    font-family: 'HarmonyOS Sans SC';
    font-weight: 400;
    font-size: .12rem;
    letter-spacing: 0.1em;
    color: #333333;
}

#page4 .content-box .text-box .parameter .line {
    width: .01rem;
    height: .30rem;
    background: #CCCCCC;
}

#page4 .content-box .text-box .color-title {
    font-family: 'HarmonyOS Sans SC';
    font-weight: 400;
    font-size: .16rem;
    color: #000000;
    margin-top: .50rem;
    position: relative;
}

#page4 .content-box .text-box .color-tips {
    font-family: 'HarmonyOS Sans SC';
    font-weight: 400;
    font-size: 12px;
    color: #999999;
    margin-top: .10rem;
    opacity: 0;
}

#page4 .content-box .text-box .color {
    display: flex;
    align-items: center;
    gap: .20rem;
    margin-top: .12rem;
    padding: .04rem;
    position: relative;
}

#page4 .content-box .text-box .color .item-border {
    box-sizing: border-box;
    position: absolute;
    width: .44rem;
    height: .44rem;
    left: 0;
    top: 0;
    z-index: -1;
    border: 1px solid #EF3018;
    transition: 0.6s;
}

#page4 .content-box .text-box .color .item {
    width: .36rem;
    height: .36rem;
    cursor: pointer;
}

#page4 .content-box .text-box .color .color1 {
    background: url(../images/page4/color1_1.png) no-repeat center;
    width: .36rem;
    height: .36rem;
    /* background: linear-gradient(45deg, #364B76 0%, #78839A 100%); */
}

#page4 .content-box .text-box .color .color2 {
    background: url(../images/page4/color2_1.png) no-repeat center;
    width: .36rem;
    height: .36rem;
}

#page4 .content-box .text-box .color .color3 {
    background: url(../images/page4/color5_1.png ) no-repeat center;
    width: .36rem;
    height: .36rem;
}

#page4 .content-box .text-box .color .color4 {
    background: url(../images/page4/color7_1.png) no-repeat center;
    width: .36rem;
    height: .36rem;
}

#page4 .content-box .text-box .color .color5 {
    background: url(../images/page4/color8_1.png) no-repeat center;
    width: .36rem;
    height: .36rem;
}

#page4 .content-box .text-box .color .color6 {
    background: url(../images/page4/color6_1.png) no-repeat center;
    width: .36rem;
    height: .36rem;
}

#page4 .content-box .text-box .color .color8 {
    background: url(../images/page4/color3_1.png) no-repeat center;
    width: .36rem;
    height: .36rem;
}

#page4 .content-box .text-box .color .color7 {
    
    background: url(../images/page4/color4_1.png) no-repeat center;
    width: .36rem;
    height: .36rem;
}

@media screen and (max-width: 960px) {
    #page4 {
        display: none;
    }
    #color-tips-mobile{
        opacity: 0;
    }

    #page4_mobile {
        width: 100%;
        height: 100vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        overflow: hidden;
        position: relative;
    }

    #page4_mobile .logo {
        width: 6.00rem;
        /* height: 120rem; */
        margin-top: 1.00rem;
    }

    #page4_mobile .parice {
        font-family: 'HarmonyOS Sans SC';
        font-weight: 400;
        font-size: .36rem;
        color: #187FC4;
        margin-top: .60rem;
    }

    #page4_mobile .parice span {
        font-size: .48rem;
    }

    #page4_mobile .tips {
        font-family: 'HarmonyOS Sans SC';
        font-weight: 400;
        font-size: .24rem;
        letter-spacing: 0.1em;
        color: #333333;
        margin-top: .06rem;
    }

    #page4_mobile .car {
        position: absolute;
        top: 4.00rem;
        z-index: -1;
        width: 70%;
        opacity: 0;
        transition: 0.5s;
    }

    #page4_mobile .color-title {
        font-family: 'HarmonyOS Sans SC';
        font-weight: 400;
        font-size: .24rem;
        letter-spacing: 0.1em;
        color: #000000;
        margin-top: 3.30rem;
    }

    #page4_mobile .color {
        display: flex;
        align-items: center;
        gap: .36rem;
        margin-top: .14rem;
        padding: .04rem;
        position: relative;
    }

    #page4_mobile .color .item-border {
        box-sizing: border-box;
        position: absolute;
        width: .44rem;
        height: .44rem;
        left: 0;
        top: 0;
        z-index: -1;
        border: 1px solid #EF3018;
        transition: 0.6s;
    }

    #page4_mobile .color .item {
        width: .36rem;
        height: .36rem;
    }

    #page4_mobile .color .color1 {
        background: url(../images/page4/color1_1.png) no-repeat center;
        width: .36rem;
        height: .36rem;
    }

    #page4_mobile .color .color2 {
        background: url(../images/page4/color2_1.png) no-repeat center;
        width: .36rem;
        height: .36rem;
    }

    #page4_mobile .color .color3 {
        background: url(../images/page4/color5_1.png) no-repeat center;
        width: .36rem;
        height: .36rem;
    }

    #page4_mobile .color .color4 {
        background: url(../images/page4/color7_1.png) no-repeat center;
        width: .36rem;
        height: .36rem;
    }

    #page4_mobile .color .color5 {
        background: url(../images/page4/color8_1.png) no-repeat center;
        width: .36rem;
        height: .36rem;
    }

    #page4_mobile .color .color6 {
        background: url(../images/page4/color6_1.png) no-repeat center;
        width: .36rem;
        height: .36rem;
    }

    #page4_mobile .color .color7 {
        background: url(../images/page4/color4_1.png) no-repeat center;
        width: .36rem;
        height: .36rem;
    }

    #page4_mobile .color .color8 {
        background: url(../images/page4/color3_1.png) no-repeat center;
        width: .36rem;
        height: .36rem;
    }

    #page4_mobile .color-tips {
        width: 100%;
        font-family: 'HarmonyOS Sans SC';
        font-weight: 400;
        font-size: .18rem;
        letter-spacing: 0.1em;
        color: #999999;
        margin-top: .20rem;
        text-align: center;
    }

    #page4_mobile .parameter {
        display: flex;
        align-items: center;
        gap: .16rem;
        margin-top: .40rem;
        justify-content: center;
        flex-wrap:wrap;
    }

    #page4_mobile .parameter .item {
        display: flex;
        align-items: center;
        flex-direction: column;
        gap: 0rem;
    }

    #page4_mobile .parameter .line {
        width: 1px;
        height: .24rem;
        background: #D9D9D9;
    }
    #page4_mobile .parameter .line:nth-child(4){
        opacity: 0;;
    }
    #page4_mobile .parameter .item-title {
        font-family: 'HarmonyOS Sans SC';
        font-weight: 400;
        font-size: .26rem;
        color: #000000;
    }

    #page4_mobile .parameter .item-info {
        font-family: 'HarmonyOS Sans SC';
        font-weight: 400;
        font-size: .20rem;
        letter-spacing: 0.1em;
        color: #333333;
    }

    #page4_mobile .btn {
        box-sizing: border-box;
        width: 2.80rem;
        height: .80rem;
        margin-top: .60rem;
        font-family: 'HarmonyOS Sans SC';
        font-weight: 400;
        font-size: .24rem;
        display: flex;
        align-items: center;
        justify-content: center;
        letter-spacing: 0.5em;
        color: #EF3018;
    }
    #page4_mobile .btn-box{
        gap: .20rem;
        margin-top: .6rem;
    }
    #page4_mobile .btn-box .btnn{
        font-family: 'HarmonyOS Sans SC';
        font-weight: 600;
        font-size: .22rem;
        letter-spacing: 0.2em;
        color: #fff;
        background: url(../images/page3/kanche.png) no-repeat center;
        background-size: cover;
        width: 2.80rem;
        height: .80rem;
        line-height: .8rem;
        text-align: center;
        cursor: pointer;
    }
}