.pr {
    position: relative;
}
.ntitle {
    padding-left: 10px;
}
.banner {
    width: 100%;
    height: auto;
    overflow: hidden;
}
.banner img {
    display: block;
    width: 100%;
    height: auto;
}
.stand {
    width: 100%;
    height: auto;
    overflow: hidden;
}
.stand img {
    display: block;
    width: 100%;
    height: auto;
}
.streamer {
    width: 100%;
    height: auto;
    overflow: hidden;
}
.streamer img {
    display: block;
    width: 100%;
    height: auto;
}
.title {
    text-align: center;
}
.title .tit {
    color: #141414;
    font-size: 20px;
    line-height: 35px;
    margin-bottom: 10px;
}
.title .tit span {
    color: #e60021;
}
.title .info {
    font-size: 14px;
    color: #444444;
    line-height: 25px;
    letter-spacing: 0;
}
.title .line {
    width: 46px;
    height: 2px;
    background: #454545;
    margin: 10px auto;
}
.brand .tit,.brand .info {
    color: #f1e0ce;
}
.brand .line {
    background: #f1e0ce;
}
.case {
    width: 100%;
    height: auto;
    background: url("https://xystcdn.xydec.com.cn/zt/business/image/case_bg.jpg") no-repeat center center / cover;
    padding: 50px 0 0;
}
.deluxe_case {
    padding-bottom: 50px;
}
.custom_case {
    padding-bottom: 50px;
}
.case_tab {
    width: 80%;
    display: flex;
    justify-content: space-between;
    margin: 0 auto 20px;
}
.case_tab .case_tab_item {
    font-size: 16px;
    color: #141414;
    line-height: 35px;
    text-align: center;
}
.case_tab .case_tab_item.active {
    color: #e60021;
}
.case_swiper .swiper-slide img {
    display: block;
    width: 100%;
    height: auto;
}
.brand {
    width: 100%;
    height: auto;
    background: url("https://xystcdn.xydec.com.cn/zt/business/image/brand_bg.jpg") no-repeat center center / cover;
    padding: 50px 0;
}
.newhome_brand {
    background: url("https://xystcdn.xydec.com.cn/zt/business/image/newhome_brand_bg.jpg") no-repeat center center / cover;
}
.renovation_brand {
    background: url("https://xystcdn.xydec.com.cn/zt/business/image/renovation_brand_bg.jpg") no-repeat center center / cover;
}
.deluxe_brand {
    background: url("https://xystcdn.xydec.com.cn/zt/business/image/deluxe_brand_bg.jpg") no-repeat center center / cover;
}
.custom_brand {
    background: url("https://xystcdn.xydec.com.cn/zt/business/image/custom_brand_bg.jpg") no-repeat center center / cover;
}
.brand .al_c {
    background: none;
    padding: 0;
    margin: 20px auto 0;
    width: 80%;
}
.brand .alb_c {
    width: 100%;
}
.brand .alb_t_text {
    text-align: center;
    padding-left: 0;
}
.brand .alb_c .al_c_sub {
    width: 100%;
    background: #e60021;
    text-align: center;
    text-indent: 0;
}
.more {
    width: 220px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 10px;
    font-size: 16px;
    background: #e60021;
    color: #fff;
    margin: 50px auto 0;
    cursor: pointer;
}
/*loading*/
#loading {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    background: #fff;
}
#loading .spinner {
    width: 50px;
    height: 60px;
    text-align: center;
    font-size: 10px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

#loading .spinner > div {
    background-color: #da251d;
    height: 100%;
    width: 6px;
    display: inline-block;

    -webkit-animation: stretchdelay 1.2s infinite ease-in-out;
    animation: stretchdelay 1.2s infinite ease-in-out;
}

#loading .spinner .rect2 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
}

#loading .spinner .rect3 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
}

#loading .spinner .rect4 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
}

#loading .spinner .rect5 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
}

@-webkit-keyframes stretchdelay {
    0%, 40%, 100% { -webkit-transform: scaleY(0.4) }
    20% { -webkit-transform: scaleY(1.0) }
}

@keyframes stretchdelay {
    0%, 40%, 100% {
        transform: scaleY(0.4);
        -webkit-transform: scaleY(0.4);
    }  20% {
           transform: scaleY(1.0);
           -webkit-transform: scaleY(1.0);
       }
}