.nav1{
    width: 90%;
    margin: auto;
    border-bottom: 1px solid;
}
.breadcrumb{
    width: 89.5%;
    margin: auto;
    display: flex;
    font-size: 24px;
    align-items: center;
    padding: 10px 0;
}
.breadcrumb a {
    text-decoration: none;
    color: #333;
    margin: 0 6px;  /* 给链接左右加间距 */
}
.breadcrumb span {
    margin: 0 8px;  /* 分隔符左右加间距 */
    font-size: 18px;
}
.breadcrumb .red{
    color: #CC0404FF;
}
.nav2 {
    margin: 30px 0;
}
.nebuladrift {
    position: relative;
}
.nebuladrift .cyangloom {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* 关键：往回拉自身一半 */
    color: #fff;
    text-align: center;
}
.nebuladrift .cyangloom .title{
    font-size: 58px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
    letter-spacing: 0.1em; /* 字间距：0.05em 微调，0.1em 更开 */
}
.nebuladrift .cyangloom .text{
    font-size: 30px;
    letter-spacing: 0.4em; /* 字间距：0.05em 微调，0.1em 更开 */
}
.nav3{
    padding: 30px 12%;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
}
.lumenglint .title{
    font-size: 40px;
}
.lumenglint .hr{
    width: 35px;
    height: 10px;
    background-color: #CC0404FF;
}
.duskverdant{
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
}
.duskverdant .text{
    width: 50%;
    font-size: 20px;
    font-family: "Segoe UI Light", "Microsoft YaHei UI Light", sans-serif;
    font-weight: 200;          /* 200 = Light */
    font-style: normal;
}
.duskverdant .image{
    width: 45%;
}
.biaoshi{
    display: flex;
    justify-content: space-between;
}
.biaoshi .item{
    width: 15%;
    border: 1px solid;
    padding: 20px;
    text-align: center;
    font-size: 24px;
    font-family: "Segoe UI Light", "Microsoft YaHei UI Light", sans-serif;
    font-weight: 200;
}
.biaoshi .item img{
    width: 60px;
    height: 60px;
}
.biaoshi .item .title{
    font-size: 35px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
    margin-top: 10px;
}



.nav4{
    padding: 70px 12%;
}
.nav4 .title{
    text-align: center;
}
.nav4 .title .t1{
    font-size: 45px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
}
.nav4 .title .t2{
    font-size: 28px;
    font-family: "Segoe UI Light", "Microsoft YaHei UI Light", sans-serif;
    font-weight: 200;
}
.nav4 .image{
    margin-top: 30px;
}

.nav5{
}
.nav5 .title{
    text-align: center;
}
.nav5 .title .t1{
    font-size: 45px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
}
.nav6{
}
.nav6 .title{
    text-align: center;
}
.nav6 .title .t1{
    font-size: 45px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
}
.nav6 .image{
    margin-top: 30px;
}

@media (max-width: 1000px) {
    .nav1{
        width: 100%;
    }
    .breadcrumb{
        width: 97%;
    }
    .breadcrumb a{
        font-size: 16px;
    }
    .breadcrumb span{
        font-size: 14px;
    }
    .nebuladrift .cyangloom .title{
        font-size: 16px;
    }
    .nebuladrift .cyangloom .text{
        font-size: 14px;
    }
    .nav3{
        padding: 0 10px;
    }
    .duskverdant{
        flex-wrap: wrap;
    }
    .duskverdant .text{
        width: 100%;
        font-size: 16px;
    }
    .duskverdant .image{
        width: 100%;
    }
    .lumenglint .title{
       font-size: 28px;
    }
    .biaoshi{
        flex-flow: wrap;
    }
    .biaoshi .item{
        width: 100%;
    }
    .nav4 .title .t1{
        font-size: 28px;
    }
    .nav4 .title .t2{
        font-size: 20px;
    }
    .nav4{
        padding: 20px 0;
    }
    .nav5 .title .t1{
        font-size: 28px;
    }
    .nav6 .title .t1{
        font-size: 28px;
    }
    

}