.indexs {
    width: 75%;
    margin: 0 auto;
}

.amateur {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 3%;
}

.title {
    text-align: center;
    margin-bottom: 3%;
}

.title h3 {
    font-size: 30px;
    letter-spacing: 2px;
    font-weight: normal;
}

.title span {
    width: 50px;
    height: 3px;
    background: #b81c23;
    display: inline-block;
}

.ab-left {
    width: 20%;
    float: left;
    background-color: #424242;
    border-radius: 10px;
    height: 457px;
    overflow: hidden;
}

.ab-left li {
    width: 100%;
    text-align: center;
    padding: 16.2px 0;
}

.ab-left li img {
    text-align: center;
    margin: 0 auto;
    padding: 15px 0;
    width: 16%;
}

.ab-left li h3 {
    font-size: 15px;
    font-weight: normal;
    color: #fff;
    letter-spacing: 2px;
}

.ab-right {
    width: 78%;
    float: right;
    height: 457px;
    overflow: hidden;
}

.ab-right img {
    width: 100%;
    height: 457px;
    overflow: hidden;
}

.ab-right li {
    position: relative;
    border-radius: 10px;
    height: 457px;
    overflow: hidden;
}

.abr-box {
    width: 210px;
    float: right;
    position: absolute;
    top: 0px;
    right: 0px;
    padding: 9% 6%;
    text-align: center;
    background: rgba(0,0,0,.3);
    height: 465px;
    overflow: hidden;
}

.abr-box h3 {
    color: #ffffff;
    font-size: 23px;
    letter-spacing: 2px;
    font-weight: normal;
    margin-bottom: 19px;
}

.abr-box p {
    color: #ffffff;
    font-size: 16px;
    line-height: 35px;
}

.abr-box .more {
    color: #ffffff;
}

.abr-box .more a {
    color: #fff;
    font-size: 14px;
    border: 1px solid#fff;
    border-radius: 10px;
    padding: 6px 21px;
    margin-top: 17%;
    display: inline-block;
}

#tw {
    display: none;
}

#ther {
    display: none;
}

#fou {
    display: none;
}

.about {
    background: url(../images/1668479806.jpg) no-repeat;
    background-size: cover;
    background-position: center;
    width: auto;
    padding: 80px 20px;
    margin-top: 5%;
}

.about-box {
    width: 100%;
    height: auto;
    display: inline-block;
    background-color: #ffffff;
    padding: 5% 0;
}

.ab-title {
    font-size: 31px;
    font-weight: 700;
    overflow: hidden;
    white-space: nowrap;
    text-align: center;
    margin-bottom: 30px;
    font-family: SourceHanSansCN-Heavy;
    font-stretch: normal;
    letter-spacing: 0px;
}

.ab-title h3 {
    color: #000000;
}

.ab-title h3 span {
    margin-left: 10px;
    color: #999999;
    font-family: SourceHanSansCN-Heavy;
    letter-spacing: 0;
    display: inline-block;
}

.about-box p {
    font-size: 15px;
    line-height: 28px;
    padding: 0px 50px;
}

.more {
    text-align: center;
}

.more a {
    color: #b81c23;
    padding: 7px 28px;
    border: 1px solid;
    margin-top: 3%;
    display: inline-block;
}

.about-box ul {
    margin-top: 4%;
}

.about-box li {
    width: 25%;
    float: left;
    text-align: center;
}

.ab-top {
    width: 100%;
    height: auto;
    display: inline-block;
    position: relative;
}

.ab-top h3 {
    color: #b81c23;
    font-size: 24px;
    font-weight: normal;
}

.ab-top span {
    position: absolute;
    top: 13px;
    right: 94px;
    color: #898989;
    font-size: 13px;
}

.about-box li p {
    color: #898989;
    font-size: 15px;
}

.case {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 3%;
}

.news {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 3%;
    margin-bottom: 3%;
}

.news li {
    width: 31%;
    float: left;
    -webkit-box-shadow: 0px 0px 20px rgb(136 159 229 / 25%);
    box-shadow: 0px 0px 20px rgb(136 159 229 / 25%);
    margin-right: 2.2%;
}
.news li :nth-child(3n){
    margin-right: 0px;
}

.n-top {
    width: 100%;
    height: auto;
    display: inline-block;
    position: relative;
}

.n-top .nt-box {
    width: auto;
    height: auto;
    display: inline-block;
    position: absolute;
    background: #b81c23;
    text-align: center;
    padding: 10px;
}

.n-top .nt-box h3 {
    color: #ffff;
}

.n-top .nt-box p {
    color: #ffff;
    font-size: 18px;
}

.n-top img {
    width: 100%;
    height: 252px;
    overflow: hidden;
}

.n-bottom {
    width: auto;
    height: auto;
    padding: 7px 11px;
}

.n-bottom h4 {
    font-size: 18px;
    letter-spacing: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.n-bottom p {
    font-size: 14px;
    line-height: 25px;
    margin-top: 13px;
    margin-bottom: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}
.phone-case{
    display: none;
}
@media screen and (max-width: 1024px) and (min-width: 0px) {
    .title h3 {
        font-size: 21px;
        letter-spacing: 2px;
        font-weight: normal;
    }
    .ab-left {
        width: 100%;
        float: left;
        background-color: #424242;
        border-radius: 10px;
        height: auto;
        overflow: hidden;
    }
    .ab-left li {
        width: 25%;
        text-align: center;
        padding: 16.2px 0;
        float: left;
    }
    .ab-left li img {
        text-align: center;
        margin: 0 auto;
        padding: 9px 0;
        width: 29%;
    }
    .ab-left li h3 {
        font-size: 11px;
        font-weight: normal;
        color: #fff;
        letter-spacing: 2px;
    }

    .indexs {
        width: 93%;
        margin: 0 auto;
    }
    .ab-right {
        width: 100%;
        float: right;
        height: auto;
        overflow: hidden;
        margin-top: 2%;
    }
    .ab-right li {
        position: relative;
        border-radius: 10px;
        height: auto;
        overflow: hidden;
    }
    .ab-right img {
        width: 100%;
        height: auto;
        overflow: hidden;
    }
    .abr-box {
        width: auto;
        float: right;
        position: absolute;
        top: 0px;
        right: 0px;
        padding: 4% 2%;
        text-align: center;
        background: rgba(0,0,0,.3);
        height: auto;
        overflow: hidden;
    }
    .abr-box h3 {
        color: #ffffff;
        font-size: 15px;
        letter-spacing: 2px;
        font-weight: normal;
        margin-bottom: 7px;
    }
    .abr-box p {
        color: #ffffff;
        font-size: 13px;
        line-height: 19px;
    }
    .abr-box .more a {
        color: #fff;
        font-size: 13px;
        border: 1px solid#fff;
        border-radius: 10px;
        padding: 5px 13px;
        margin-top: 8%;
        display: inline-block;
    }
    .about {
        background: url(../images/1668479806.jpg) no-repeat;
        background-size: cover;
        background-position: center;
        width: auto;
        padding: 39px 1px;
        margin-top: 5%;
    }
    .ab-title {
        font-size: 23px;
        font-weight: 700;
        overflow: hidden;
        white-space: nowrap;
        text-align: center;
        margin-bottom: 9px;
        font-family: SourceHanSansCN-Heavy;
        font-stretch: normal;
        letter-spacing: 0px;
    }
    .about-box p {
        font-size: 14px;
        line-height: 26px;
        padding: 0px 21px;
    }
    .more a {
        color: #b81c23;
        padding: 5px 26px;
        border: 1px solid;
        margin-top: 3%;
        display: inline-block;
    }
    .about-box li {
        width: 50%;
        float: left;
        text-align: center;
    }
    .ab-top span {
        position: absolute;
        top: 13px;
        right: 42px;
        color: #898989;
        font-size: 13px;
    }
    .about-box li p {
        color: #898989;
        font-size: 12px;
    }
    .news li {
        width: 100%;
        float: left;
        -webkit-box-shadow: 0px 0px 20px rgb(136 159 229 / 25%);
        box-shadow: 0px 0px 20px rgb(136 159 229 / 25%);
        margin-right: 2.2%;
        margin-bottom: 8%;
    }
    .hot_3dalbum {
        width: 1200px;
        height: 418px;
        margin: 0 auto;
        display: none;
    }
    .phone-case{
        width: 100%;
        height: auto;
        display: block;
    }
    .phone-case li{
        width: 100%;
        float: left;
        text-align: center;
        margin-bottom: 30px;
        margin-right: 0px;
        margin-left: 0px;
    }
    .phone-case li img{
        width: 100%;
    }
    .phone-case li p{
        font-size: 14px;
        color: #000;
        padding-top: 11px;
        height: 20px;
    }
}