* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    background-color: #0d0d0d;
}

main {
    display: flex;
    flex-direction: column;
    gap: 120px;
}

.zuidiceng {
    width: 100%;
    background-color: #0d0d0d;
    z-index: -1;
    position: fixed;
    top: 0;
    position: relative;
}

.tu1 {
    width: 42%;
    position: absolute;
    top: -200px;
    left: -5%;
}

.tu2 {
    width: 42%;
    position: absolute;
    top: -200px;
    right: -5%;
}

.tu3 {
    width: 28%;
    position: absolute;
    top: 900px;
    left: -1%;
}

.tu4 {
    width: 45%;
    position: absolute;
    top: 1100px;
    right: -23%;
}

.tu5 {
    transform: scaleX(-1);
    width: 22%;
    position: absolute;
    top: 2200px;
    left: -3%;
}

.tu6 {
    width: 26%;
    position: absolute;
    top: 2700px;
    right: 0%;
}

.tu7 {
    width: 30%;
    position: absolute;
    top: 2000px;
    right: 0%;
}

.tu8 {
    width: 25%;
    position: absolute;
    top: 3100px;
    left: 0;
}

.tu9 {
    width: 25%;
    position: absolute;
    top: 3850px;
    right: -5%;
}

.jianjie {
    margin-top: -80px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.xiaobiaoti img {
    height: 40px;
}

.xiaobiaoti {
    display: flex;
    flex-direction: row;
    gap: 10px;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    color: rgba(254, 194, 254, 1);
    font-family: "huayuanmingchaoti", serif;
    font-weight: normal;
}

.shouping {
    width: 100%;
    height: 100vh;
    margin-top: -100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.zuotu {
    width: 42%;
    position: absolute;
    top: 0;
    left: 0;
}

.youtu {
    width: 42%;
    position: absolute;
    top: 0;
    right: 0;
}

.luodianjianjie {
    width: 46%;
    margin: 0 auto;
    text-align: center;
    font-size: 1rem;
    color: #ffffff;
    font-weight: normal;
    line-height: 1.8;
}

.qiyuanfazhan {
    width: 80%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.qyfzgy {
    color: #ffffff;
    width: 80%;
    text-align: center;
    margin: 0 auto;
}

.qyfznr {
    width: 80%;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.timeline-container {
    max-width: 60rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.timeline {
    height: 2000px;
    margin: 0 auto;
    position: relative;
}

.qyfzlj {
    width: 40%;
    height: 2000px;
    position: absolute;
    top: 0.2%;
    left: 27%;
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    width: 50%;
}

.timeline-item2 {
    position: relative;
    margin-bottom: 4rem;
    width: 50%;
    margin-left: auto;
}

.shang {
    position: absolute;
    top: -0.5%;
    left: 53%;
}

.chunqiu {
    position: absolute;
    top: 12%;
    left: -21%;
}

.tang {
    position: absolute;
    top: 27%;
    left: 0%;
}

.song {
    position: absolute;
    top: 42%;
    left: 65%;
}

.yuan {
    position: absolute;
    top: 56%;
    left: 42%;
}

.ming {
    position: absolute;
    top: 72%;
    left: -13.5%;
}

.qing {
    position: absolute;
    top: 88%;
    left: 5%;
}

.timeline-content {
    margin-right: auto;
    margin-left: 2rem;
    padding: 1rem;
    box-sizing: border-box;
}

.timeline-content2 {
    margin-left: auto;
    margin-right: 2rem;
    padding: 1rem;
    box-sizing: border-box;
}

.custom-heading {
    font-size: 20px;
    font-weight: bold;
    color: #c09acd;
    margin-bottom: 5px;
}

.fzzk {
    padding-bottom: 5px;
    margin-bottom: 5px;
    font-size: 14px;
    font-style: italic;
    color: #ffffff;
    font-weight: normal;
    color: #dfdfdf;
    line-height: 1.6;
}

.custom-text {
    color: #dfdfdf;
    line-height: 1.6;
}

.chuanchengxianzhuang {
    width: 60%;
    margin: auto;
    margin-bottom: 80px;
}

.status-content {
    background-color: rgb(13 13 13 / 0.5);
    backdrop-filter: blur(8px);
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 4rem;
}

.custom-text-style {
    color: #dfdfdf;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.custom-img-group {
    height: 50vh;
    display: grid;
    grid-template-columns: 3fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .custom-img-group {
        grid-template-columns: repeat(1, 1fr);
    }
}

@media (min-width: 1024px) {
    .custom-img-group {
        grid-template-columns: repeat(3, 1fr);
    }
}

.img-item1 {
    grid-row: 1/3;
}

.img-item4 {
    grid-row: 1/3;
    grid-column: 3;
}

.custom-img-style {
    width: 100%;
    height: 80%;
    object-fit: cover;
}

.custom-img-style2 {
    width: 100%;
    height: 91%;
    object-fit: cover;
}

.sybt {
    width: 40%;
    margin: 0 auto;
    position: absolute;
    top: 26%;
}

.shouping-text-dibu {
    font-size: 1.25rem;
    text-align: center;
    position: absolute;
    top: 70%;
    font-family: "QIJIC", serif;
    font-weight: normal;
}