@charset "utf-8";
/* Css Document */

/* 公共样式 */
body{
    background: #e5e5e5;
}

.history-opening-animation-box,
.history-freeze-frame,
.history-time-list,
.history-wrap{
    width: 100%;
    height: 100vh;
}
.history-bg img,
.history-time-list img,
.history-wrap img{
    display: block;
    width: 100%;
    height: auto;
}


.history-opening-animation-box,
.history-freeze-frame,
.history-time-list{
    position: fixed;
    top: 0;
    left: 0;
}
/* 开场动画 */
.history-opening-animation-box{
    z-index: 3;
    /* animation: tier 0.1s linear 5s 1 normal forwards; */
    display: none;
}
.history-opening-animation-move{
    float: left;
    width: 122.39%;
    height: 100%;
    background: url(../images/history-opening-animation-img.png) no-repeat center center / 100% 100%;
    position: relative;
    /* animation: displacement 3s linear 2s 1 normal forwards; */
}
.history-opening-animation-move-car{
    width: 34%;
    height: auto;
    position: absolute;
    right: 13%;
    bottom: 5%;
    transform: translateY(-50%);
}
.history-opening-animation-static-text{
    width: 36.19%;
    position: absolute;
    top: 22%;
    left: 5%;
    /* animation: displacement1 .8s linear 3.5s 1 normal forwards; */
}
@keyframes displacement {
    0%{
        transform: translateX(0);
    }
    50%{
        transform: translateX(-50%);
    }
    100%{
        transform: translateX(-100%);
    }
}
@keyframes displacement1 {
    0%{
        transform: translateX(0);
    }
    50%{
        transform: translateX(-50%);
    }
    100%{
        transform: translateX(-150%);
    }
}
@keyframes tier {
    0%{
        z-index: 3;
    }
    100%{
        z-index: 1;
    }
}
@keyframes tierturn {
    0%{
        z-index: 1;
    }
    100%{
        z-index: 3;
    }
}
@keyframes vanish {
    0%{
        opacity: 1;
    }
    25%{
        opacity: 1;
    }
    20%{
        opacity: 1;
    }
    75%{
        opacity: 1;
    }
    100%{
        opacity: 0;
    }
}
.history-freeze-frame{
    background: url(../images/history-freeze-frame-img.jpg) no-repeat center center / 100% auto;
    z-index: 2;
    /* animation: vanish 2s linear 5s 1 normal forwards; */
    display: none;
}
.history-time-list{
    background: url(../images/history-time-list-img.png) no-repeat bottom center / 100% auto,#fff;
    z-index: 1;
    /* animation: tierturn .05s linear 8s 1 normal forwards; */
}
.history-time-list-scrolldown-box{
    width: 5%;
    position: absolute;
    bottom: 2%;
    left: 50%;
    transform: translateX(-50%);
}
.history-time-list-scrolldown-img{
    width: 37%;
    margin: 0 auto;
    animation: throb .8s linear 4s infinite normal;
}
.history-time-list-scrolldown-text{
    text-align: center;
}
.history-time-list-scrolldown-text a{
    color: #000;
}
@keyframes throb{
    0%{
        transform: translateY(-40%);
    }
    100%{
        transform: translateY(20%);
    }
}
.opening-animation-skip {
    width: 10%;
    padding: 5px 0;
    text-align: center;
    position: fixed;
    top: 10%;
    left: 3%;
    cursor: pointer;
    z-index: 4;
    display: none;
}
.opening-animation-skip a,
.opening-animation-skip .jiantou {
    float: left;
}
.opening-animation-skip a {
    font-size: 16px;
    color: #000;
    margin-right: 2%;
}
.opening-animation-skip .jiantou {
    width: 68px;
    height: 14px;
    display: flex;
    align-items: center;
}
.opening-animation-skip .jiantou p {
    width: 14px;
    height: 14px;
    position: relative;
    top: 0;
    animation: jiantou 2s 0s infinite;
    -webkit-animation: jiantou 2s 0s infinite;
    transform: rotate(135deg);
}
.opening-animation-skip .jiantou .jiantou1 {
    border-top: 5px solid #eeeeee;
    border-left: 5px solid #eeeeee;
    animation-delay: 0s;
}
.opening-animation-skip .jiantou .jiantou2 {
    border-top: 5px solid #d2d2d2;
    border-left: 5px solid #d2d2d2;
    left: -5px;
    animation-delay: -.2s;
}
.opening-animation-skip .jiantou .jiantou3 {
    border-top: 5px solid #a0a0a0;
    border-left: 5px solid #a0a0a0;
    left: -8px;
    animation-delay: -.4s;
}
.opening-animation-skip .jiantou .jiantou4 {
    border-top: 5px solid #313131;
    border-left: 5px solid #313131;
    left: -13px;
    animation-delay: -.6s;
}
@keyframes jiantou {
    0% {
        opacity: 0;
        transform: rotate(135deg) translate(16px, 16px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: rotate(135deg) translate(-16px, -16px);
    }
}
@-webkit-keyframes jiantou {
    0% {
        opacity: 0;
        transform: rotate(135deg) translate(16px, 16px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: rotate(135deg) translate(-16px, -16px);
    }
}


/* 通用公共背景 */
.common-bg{
    width: 75%;
    height: 100vh;
    background: #fff;
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
}

/* 动态背景 */
.history-bg{
    width: 100%;
    height: 100vh;
    position: fixed;
}
.history-bg-cont-box{
    width: 75%;
    margin: 0 auto;
    height: 100%;
    overflow: hidden;
}
.history-bg-cont{
    float: left;
    width: 25%;
    height: 100%;
}
.history-bg-cont .history-bg-cont-img{
    width: 100%;
    height: 100%;
    opacity: .2;
    background-size: auto 1100px;
    background-position: center;
    /* animation: scrollBackground 15s linear infinite; 应用动画 */
}
.history-bg-cont1 .history-bg-cont-img{
    background-image: url(../images/history-bg-cont1.png);
}
.history-bg-cont2 .history-bg-cont-img{
    background-image: url(../images/history-bg-cont2.png);
}
.history-bg-cont3 .history-bg-cont-img{
    background-image: url(../images/history-bg-cont3.png);
}
.history-bg-cont4 .history-bg-cont-img{
    background-image: url(../images/history-bg-cont4.png);
}
  /* 定义动画 */
@keyframes scrollBackground {
    from { background-position: 0 0; }
    to { background-position: 0 -1100px; }
}

/* 主要内容区域样式 */
/* 左侧导航 */
.history-nav-box{
    width: 352px;
    height: calc(100vh - 70px);
    background: #fff;
    position: fixed;
    top: 70px;
    /* left: 12.5%; */
    z-index: 1;
}
.history-nav-box-inner{
    transition-duration: .3s!important;
}
.history-nav-li{
    position: relative;
    padding: 5px 5px 0;
    color: #000;
}
.history-nav-li-title a{
    color: #000;
}
.history-nav-li-title .txt1{
    font-size: 24px;
    font-weight: bold;
}
.history-nav-li-title .txt2{
    font-size: 14px;
    font-weight: bold;
}
.history-nav-li a{
    color: #000;
    font-size: 14px;
    font-weight: bold;
}
.history-nav-li a span{
    display: block;
    float: left;
}
.history-nav-li a .title{
    background: #e5e5e5;
    padding: 20px 10px 20px 25px;
}
.history-nav-li a .pic{
    background:url(../images/nav_off.png) no-repeat center left / auto 100%;
    width: 46px;
}
.history-nav-li.has-another a .title{
    padding: 10px 10px 10px 25px;
}
.history-nav-li.has-another small{
    display: block;
    line-height: 1.786;
}
.history-nav-li.active .pic{
    background:url(../images/nav_on.png) no-repeat center left / auto 100%;
}
.history-nav-li.active .title{
    background: #ddbb56;
}
.history-nav-li-title{
    position: relative;
    padding:20px 35px;
    display: block;
}


/* 内容区域 */
.history-box{
    width: 75%;
    height: 100vh;
    margin: 0 auto;
}
.section-inner{
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.section-content{
    width: 100%;
    /* margin: 0 auto; */
    height: 100%;
    /* float: right; */
    /* margin: 0 -10%; */
}
.section0-img{
    width: 100%;
    height: 100%;
    background: url(../images/history-section0-img.png) no-repeat bottom center / 100% auto;
}
.fadeElement,
.fadeElementSingle{
    opacity: 0;
}
.dxSingle{
    animation: fadeIn 1.2s linear 0s 1 normal forwards;
}
.dx{
    animation: fadeIn .6s linear 0s 1 normal forwards;
}
@keyframes fadeIn {
    0%{
        opacity: 0;
    }
    50%{
        opacity: 0.5;
    }
    100%{
        opacity: 1;
    }
}
.slideUp{
    transform: translateY(220%);
}
.slideDown{
    transform: translateY(-150%);
}
.slideRight{
    transform: translateX(-250%);
}
.dx2{
    animation: slideUp .6s linear 1.2s 1 normal forwards;
}
.dx1{
    animation: slideDown .6s linear .6s 1 normal forwards;
}
.dx3{
    animation: slideRight .6s linear .6s 1 normal forwards;
}
@keyframes slideUp {
    0%{
        transform: translateY(200%);
    }
    100%{
        transform: translateY(0);
    }
}
@keyframes slideDown {
    0%{
        transform: translateY(-150%);
    }
    100%{
        transform: translateY(0);
    }
}
@keyframes slideRight {
    0%{
        transform: translateX(-250%);
    }
    100%{
        transform: translateX(0);
    }
}

/* 相同阶段开始 */
/* .section-img,
.same-cont-box{
    float: right;
} */
.section-img{
    width: 49.24%;
    margin: 0 auto;
    position: relative;
    top: 55%;
    transform: translateY(-50%);
    /* margin: 0 10% 0 0; */
}

/* 主要内容区域 */
/* 框架部分 */
.same-cont-box{
    width: 63.734%;
    height: 100%;
    /* margin: 0 8% 0 0; */
    margin: 0 auto;
}
.same-cont-box-inner{
    width: 100%;
    height: 100%;
}
.same-cont-text{
    width: 85.8987%;
    height: 88%;
    float: right;
    background: url(../images/period/bg-same-content-big.png) no-repeat bottom center / auto 90%;
    position: relative;
    top: 54%;
    transform: translateY(-50%);
}
.same-cont-img{
    width: 48.32%;
    position: absolute;
    left: 26%;
    top: 2%;
}

/* 年份 */
.same-cont-year{
    width: 26.9%;
    height: 29vh;
    /* height: 233px; */
    background: url(../images/period/bg-same-content-year.png) no-repeat center center / 100% auto;
    position: absolute;
    left: -13%;
    bottom: 28%;
    /* bottom: 31%; */
}
.same-cont-year h1{
    width: 100%;
    text-align: center;
    font-size: 48px;
    font-weight: bold;
    color: #ec0020;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.same-cont-year h1:after{
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-width: 14px 7px 0 7px;
    border-color: #ec0020 transparent transparent;
    border-style: solid;
    position: absolute;
    bottom: -50%;
    left: 50%;
    transform: translateX(-50%);
}
.yearcenter{
    bottom: 32%;
}

/* 内容 */
.same-cont-text-inner{
    width: 57.8%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    z-index: 1;
}
.same-cont-text-inner h2{
    width: 100%;
    text-align: center;
    line-height: 1.7;
    font-size: 30px;
    font-weight: bold;
    color: #ffffff;
    position: relative;
    background: #ec0020;
}
.same-cont-text-inner h2.double-text{
    line-height: 1.5;
}
.same-cont-text-inner h2 span{
    color: #ffffff;
}
.same-cont-text-inner h2 small{
    display: block;
    font-size: 18px;
}

.same-cont-text-txt{
    padding-top: 4.8%;
}
.same-cont-text-txt p{
    line-height: 2;
    font-size: 14px;
    color: #313131;
    margin-bottom: 15px;
}
.same-cont-text-txt p span{
    color: #ec0020;
}
.cont-same-img{
    margin: 0 auto;
    padding: 5% 0 0;
}
.same-cont-text-txt .p1{
    display: block;
}
.same-cont-text-txt .p2{
    display: none;
}
.same-cont-text-txt-btn{
    width: 8%;
    margin: 0 auto;
}
.same-cont-text-txt-more-btn{
    display: block;
}
.same-cont-text-txt-close-btn{
    display: none;
}
/* 展开样式 */
.same-cont-box-inner .clickshow{
    top: 50%;
}
/* .clickshow{
    left: 46%;
} */
.clickshow .same-cont-text-inner-show-box{
    width: 100%;
    box-sizing: border-box;
    padding: 20px;
    background: #fff;
    border: 10px solid rgba(0,0,0,.1);
}
.clickshow .same-cont-text-inner-show-box .same-cont-text-txt .p1{
    display: none;
}
.clickshow .same-cont-text-inner-show-box .same-cont-text-txt .p2{
    display: block;
}
.clickshow .same-cont-text-inner-show-box .same-cont-text-txt-more-btn{
    display: none;
}
.clickshow .same-cont-text-inner-show-box .same-cont-text-txt-close-btn{
    display: block;
}

.cont-fix-img{
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
}


/* 具体年份 */
.same-cont-text-inner-1989-2,
.same-cont-text-inner-2002,
.same-cont-text-inner-2015{
    top: 55%;
}
.same-cont-text-inner-1937{
    top: 58%;
}
.same-cont-text-inner-1935,
.same-cont-text-inner-1936,
.same-cont-text-inner-1964,
.same-cont-text-inner-1966,
.same-cont-text-inner-1967,
.same-cont-text-inner-1981,
.same-cont-text-inner-1983,
.same-cont-text-inner-1984,
.same-cont-text-inner-1986,
.same-cont-text-inner-1992,
.same-cont-text-inner-2011{
    top: 59%;
}
.same-cont-text-inner-1896,
.same-cont-text-inner-1933,
.same-cont-text-inner-1955,
.same-cont-text-inner-1989,
.same-cont-text-inner-2002-2,
.same-cont-text-inner-2004-2,
.same-cont-text-inner-2007,
.same-cont-text-inner-2009,
.same-cont-text-inner-2012-1,
.same-cont-text-inner-2012-2,
.same-cont-text-inner-2022{
    top: 60%;
}
.same-cont-text-inner-1962,
.same-cont-text-inner-1965,
.same-cont-text-inner-2021{
    top: 62%;
}
.same-cont-text-inner-2004,
.same-cont-text-inner-2014,
.same-cont-text-inner-2020-2{
    top: 64%;
}
.same-cont-text-inner-1970,
.same-cont-text-inner-1984-2,
.same-cont-text-inner-1988,
.same-cont-text-inner-2020{
    top: 67%;
}
.same-cont-text-inner-1992-2,
.same-cont-text-inner-1997{
    top: 70%;
}

.cont-1896-img{
    position: absolute;
}
.cont-1896-img1{
    width: 12.4855%;
    right: 2%;
    top: 43%;
}
.cont-1896-img2{
    width: 17.1%;
    right: 54%;
    bottom: 5%;
}
.cont-1933-img,
.cont-1937-img,
.cont-1955-img{
    width: 38%;
}
.clickshow .same-cont-text-inner-show-box+.cont-txthide-img{
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
}
.cont-1936-box .same-cont-text-inner.clickshow{
    top: 51%;
}
.cont-1936-img{
    width: 51%;
}

.cont-1964-img{
    width: 47%;
}
.cont-1966-img{
    width: 57%;
}
.cont-1967-img{
    width: 49%;
}
.cont-1984-img2{
    width: 65%;
}
.cont-1988-img1{
    width: 66%;
}
.cont-1989-img2{
    width: 20%;
    bottom: 15%;
}
.cont-1992-img1{
    width: 73%;
}
.cont-1997-img1{
    width: 98%;
}
.cont-2002-img1{
    width: 20%;
}
.cont-2002-img2,
.cont-2004-img2,
.cont-2012-img1,
.cont-2012-img2{
    width: 76%;
}
.clickshow .same-cont-text-inner-show-box+.cont-txthide-img.cont-2002-img2,
.clickshow .same-cont-text-inner-show-box+.cont-txthide-img.cont-2012-img1{
    margin: 0;
}
.cont-2007-img1{
    width: 58%;
}
.same-cont-text-inner-1997 .same-cont-text-txt p{
    margin-bottom: 0;
}
.same-cont-text-inner-2020 .same-cont-text-txt p{
    text-align: center;
    line-height: 0.6;
}


/* 右侧关键词 */
.right-keyword-wrap{
    width: 12.5%;
    height: calc(100vh - 70px);
    background: #e5e5e5;
    position: fixed;
    top: 70px;
    right: 0;
}
.right-keyword{
    width: 100%;
    /* background: url(../images/bg-right-keyword.png) no-repeat center center / 100% auto; */
    padding: 22% 0;
}
.right-keyword-inner h1{
    text-align: center;
    line-height: 1.5;
    font-size: 26px;
    font-weight: bold;
    color: #313131;
    /* border-bottom: 4px solid #ec0020; */
    /* margin-left: 2em; */
    margin-bottom: 15%;
    position: relative;
}
.right-keyword-inner h1:after{
    content: "";
    display: block;
    width: 0;
    border-top: 10px solid #ec0020;
    border-right: 5px solid transparent;
    border-left: 5px solid transparent;
    position: absolute;
    bottom: -30%;
    left: 50%;
    transform: translateX(-50%);
}
.right-keyword-li{
    width: 60%;
    margin: 0 auto 10%;
    /* line-height: 4.4; */
    /* font-size: 14px; */
    color: #313131;
    /* text-indent: 2em; */
}
.right-keyword-li a{
    color: #313131;
    /* text-decoration: underline; */
}
.right-keyword-li-img{
    margin-bottom: 5%;
}
.right-keyword-li-img-text{
    text-align: center;
    font-size: 16px;
    font-weight: bold;
}
/* 返回栏目首页 */
.histoy-back{
    width: 4.8%;
    position: fixed;
    top: 10%;
    right: 14%;
}


@media screen and (max-width:1680px){
    .opening-animation-skip{
        top: 15%;
    }

    .history-nav-li:after{
        right: -17%;
    }

    .cont-1896-box .same-cont-text-inner {
        top: 62%;
    }
    .same-cont-year{
        /* bottom: 25%; */
    }
    .same-cont-year h1{
        font-size: 30px;
    }
    .same-cont-year h1:after{
        border-width: 8px 4px 0 4px;
    }
    .yearcenter{
        bottom: 27%;
    }

    .same-cont-text-inner h2{
        font-size: 20px;
    }
    .same-cont-text-txt{
        padding-top: 2%;
    }
    .same-cont-text-txt p{
        line-height: 1.8;
        font-size: 12px;
    }

    .cont-same-img{
        padding: 10px 0 0;
    }

    .same-cont-text-inner-1933,
    .same-cont-text-inner-2002-2{
        top: 62%;
    }

    
    .same-cont-text-inner-1936{
        top: 58%;
    }
    .same-cont-text-inner-1937,
    .same-cont-text-inner-2012-1{
        top: 47%;
    }

    .same-cont-text-inner-1955{
        top: 45%;
    }

    .same-cont-text-inner-1964{
        top: 58%;
    }

    .same-cont-text-inner-1966{
        top: 55%;
    }

    .same-cont-text-inner-1967{
        top: 60%;
    }

    .same-cont-text-inner-1989{
        top: 58%;
    }
    .cont-1989-img2{
        padding: 40px 0 0;
    }

    .same-cont-text-inner-2012-2{
        top: 54%;
    }

    .right-keyword-inner h1{
        /* width: 35%; */
        font-size: 18px;
    }
    .right-keyword-inner h1:after{
        bottom: -40%;
    }
    .right-keyword-li{
        /* line-height: 3.5; */
        font-size: 12px;
    }
    .right-keyword-li-img-text{
        font-size: 12px;
    }


    .histoy-back{
        top: 14%;
    }

    



    @media screen and (max-width:1300px){
        .same-cont-year{
            bottom: 28.5%;
        }
    }
}