/* 主区域 */
.main {
    width: 100%;
}

.main .con {
    display: none;
}

.main .shell {
    width: 100%;
    position: relative;
    padding: 80px 0;
    transition: 0.3s ease 0s;
    background-attachment: fixed;
    background-size: cover;
    margin-bottom: 50px;
    box-shadow: 0 15px 20px 0px rgb(88 45 45 / 64%);
}

.main .con.show {
    display: block;
}


.main.ihp .m-img img{
    height: 100%;
}

/* 1 */
.con1 {
    margin: 40px 0;
}

.con1 .event {
    width: 75%;
    padding: 30px 3vw;
    box-sizing: border-box;
    box-shadow: rgb(251 189 212 / 67%) 2px 0px 10px 0px;
    margin: 0 auto;
    border-radius: 15px;
}

.con1 .event .card {
    box-sizing: border-box;
    padding: 40px 55px;
    position: relative;
    width: 100%;
}

.con1 .event .card .all-img {
    width: 80%;
    height: auto;
    border: 3px solid rgb(238, 183, 202);
    border-radius: 15px;
    overflow: hidden;
    box-sizing: border-box;
    margin: 40px auto;
}

.con1 .event .card .all-img img {
    width: 100%;
    display: block;
}

.con1 .event .card .text {
    text-align: justify;
}

.con1 .event .card .text .intro {
    margin: 20px 0;
    padding: 0 70px;
}

/* 结束 */

* {
    padding: 0;
    margin: 0;
}

.shell .top-bg {
    margin: 90px auto 160px auto;
}

.shell .top-bg .top-img {
    z-index: 3;
}

.shell .top-bg .title {
    z-index: 4;
}

.shell .top-bg:before {
    z-index: 2;
    background-color: rgb(222 228 234 / 35%);
    ;
}

.shell .top-bg:after {
    z-index: 1;
    background-color: rgb(158 162 163 / 43%);
}

.shell {
    width: 100%;
    position: relative;
    padding: 80px 0;
    transition: 0.3s ease 0s;
    background-attachment: fixed;
    background-size: cover;
    margin-bottom: 50px;
    box-shadow: 0 15px 20px 0px rgb(88 45 45 / 64%);
}

.shell::before {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(99, 99, 99, 0.8);
    content: "";
}

.timeline {
    display: flex;
    margin: 0 auto;
    flex-wrap: wrap;
    flex-direction: column;
    max-width: 960px;
    position: relative;
    gap: 60px;
}

.timeline::before,
.timeline .item-bar {
    position: absolute;
    left: 50%;
    width: 4px;
    margin-left: -1px;
    z-index: 1;
}

.timeline::before {
    content: "";
    height: 100%;
    background: rgba(255, 255, 255, 0.07);
}

.timeline .item-bar img {
    width: 40px;
    object-fit: contain;
    position: absolute;
    bottom: -20px;
    left: -20px;
    display: block;
}

.item {
    padding: 40px 0;
    opacity: 0.3;
    filter: blur(2px);
    transition: 0.5s;
    box-sizing: border-box;
    width: 100%;
    display: flex;
    transform: translateY(0px);
    background-color: transparent;
    gap: 8%;
    transition: all 1s;
}

.item.show {
    background-color: #fef0e5;
    width: 100%;
    padding: 30px 20px;
    box-shadow: 3px 3px 10px rgba(42, 42, 42, 0.6);
    z-index: 3;
    border-radius: 15px;
}

.item.show::before {
    content: "";
    width: 4px;
    height: 80%;
    background-color: #00000047;
    position: absolute;
    left: calc(50% - 2px);
    top: 50%;
    transform: translateY(-50%);
    padding: 0;
    border: none;
}

.item .content::before {
    content: attr(data-text);
    letter-spacing: 3px;
    width: 90%;
    position: absolute;
    color: #fff;
    border-left: 4px solid #fff;
    top: 70%;
    padding-left: 40px;
    opacity: 0;
    right: calc(-100% - 37.5px);
    font-size: 24px;
    letter-spacing: 5px;
    transition: all .8s;
    font-weight: bold;
    line-height: 1.5;
}

.item.show .content::before {
    content: "";
}

.item:nth-child(even) .content::before {
    right: auto;
    text-align: right;
    left: calc(-100% - 35px);
    padding-left: 0;
    border-left: none;
    border-right: 4px solid #fff;
    padding-right: 40px;
}

.timeline .item .content {
    position: relative;
}

.timeline .item .content,
.timeline .item .content2 {
    width: 48%;
    height: 460px;
}

.timeline .item .content2 {
    overflow-y: scroll;
}

.item.show .date,
.item.show .more,
.item.show .mem {
    color: #000 !important;
}

.item.show .more {
    border: 4px solid #000 !important;
}

.item.show .word {
    color: rgba(0, 0, 0, .7) !important;
}

.date {
    font-weight: normal;
    font-size: 62px;
    margin: -10px 0 0 0;
    transition: 0.4s;
    padding: 0 10px;
    box-sizing: border-box;
    color: #fff;
}

.mem {
    margin: 10px 0 20px 0;
    font-size: 17px;
    font-weight: bold;
    box-sizing: border-box;
    color: rgba(255, 255, 255, 0.7);
    line-height: 25px;
    width: 75%;
    display: flex;
    flex-direction: column;
}

.mem .photo {
    display: flex;
    gap: 7px;
}

.mem .photo div {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #a3a0a0;
    overflow: hidden;
}

.mem .photo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.item .content .word {
    font-size: 17px;
    line-height: 1.3;
    color: #fff;
    text-align: justify;
}

.item .content .box {
    display: flex;
}

.item .content .more {
    margin-top: 20px;
    width: 92px;
    height: 40px;
    border-radius: 15px;
    background-color: transparent;
    border: 4px solid #fff;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.6);
    cursor: pointer;
    z-index: 3;
}

.item .content2 {
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: all .5s;
    position: relative;
    padding: 0 !important;
    margin: 30px 0 !important;
}

.item.show .content2 .text .m-img {
    width: 98%;
}

.item.show .content2 {
    opacity: 1;
}

.item .content2 .pho {
    height: 75px;
    margin-left: 5px;
}

.item .content2 .pho img {
    height: 100%;
}

.item .content2 .iconfont {
    font-size: 35px;
}

.item .content2 .logo {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.6);
    top: 1%;
    right: 5%;
    display: grid;
    place-items: center;
    animation: spin 5s linear infinite;
}

.item .content2 .logo img {
    width: 75%;
    object-fit: contain;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.item .content2 .head {
    font-size: 25px;
    font-weight: bolder;
    margin-top: 3%;
}

.item .content2 .subhead {
    font-size: 19px;
    color: #a3a0a0;
    margin-top: 2%;
}

.item .content2 .text {
    display: none;
    font-size: 15px;
    line-height: 1.4;
    flex-direction: column;
    margin-top: 8%;
    text-align: justify;
    color: rgba(0, 0, 0, .7);
    padding-right: 15px;
}

.item.show .content2 .text {
    display: flex;
}

.item .content2 .text p:nth-last-child(1) {
    margin-top: 5%;
}

.item--active {
    opacity: 1;
    transform: translateY(30px);
    filter: blur(0px);
}

.item--active .content::before {
    top: 26%;
    transition: 0.3s all 0.2s;
    opacity: 1;
}

.item--active .date {
    margin: -50px 0 0 0;
}

.shell .img {
    max-width: 100%;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.4);
    border-radius: 15px;
}

@media only screen and (max-width: 767px) {
    .timeline::before {
        left: 20px;
    }

    .item {
        width: 100%;
        padding: 0 0 50px 40px;
        flex-direction: column;
        gap: 40px;
    }

    .item .content::before {
        left: 20px !important;
        border: none !important;
        top: 105% !important;
        width: 90%;
        font-size: 18px;
        padding: 0;
    }

    .item.show {
        padding: 30px 0 30px 40px;
    }

    .item.show::before {
        width: 80%;
        height: 4px;
        top: calc(50% - 2px + 20px) !important;
        left: 10% !important;
    }

    .item:last-child {
        padding-bottom: 40px;
    }

    .item-bar {
        display: none;
    }

    .timeline .item .content,
    .timeline .item .content2 {
        width: 90%;
    }
}