.bktt span:nth-child(1) {
    font-size: 1.5rem;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 80px;
    color: #002553;
}
.bktt span:nth-child(2) {
    font-size: 1.4rem;
    line-height: 75px;
}
.jj {
    width: 90%;
    height: auto;
    overflow: hidden;
    margin-top: 40px;
    font-size: 1rem;
    line-height: 200%;
    color: #666;
}
.gg, .sm, .wh {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-top: 30px;
}
.gg img {
    display: block;
    width: 100%;
}
.smp {
    width: calc(50% - 15px);
    height: auto;
    overflow: hidden;
    float: left;
    position: relative;
}
.smt {
    width: 100%;
    height: auto;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 160px;
    z-index: 10;
    color: #fff;
}
.smt span, .wht span {
    display: block;
    text-align: center;
}
.smt span:nth-child(1) {
    font-size: 2.2rem;
    height: 110px;
}
.smt span:nth-child(2) {
    font-size: 2.8rem;
    line-height: 150%;
}
.smt span:nth-child(3) {
    font-size: 1.2rem;
    font-family: Arial, Helvetica, sans-serif;
    margin-top: 10px;
}
.smp img, .whp img {
    display: block;
    width: 100%;
    height: auto;
}
.smp:nth-child(even) {
    margin-left: 30px;
}
.smp:hover .smt {
    top: 140px;
}
.whp {
    width: calc(28.3% - 5px);
    height: auto;
    overflow: hidden;
    float: left;
    margin-left: 8%;
    position: relative;
}
.whp:nth-child(1) {
    margin-left: 0;
}
.wht {
    width: 100%;
    height: auto;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 110px;
    z-index: 10;
    font-weight: bold;
}
.wht span:nth-child(1) {
    font-size: 6rem;
    line-height: 110%;
    color: rgba(255, 255, 255, .3);
}
.wht span:nth-child(2) {
    font-size: 2rem;
    color: rgba(255, 255, 255, 1);
}

.wht span:nth-child(3) {
    font-size: 2rem;
    color: rgba(255, 255, 255, 1);
}
.wht span:nth-child(4) {
    font-size: 1rem;
	font-weight:400;
	text-align:left;
    color: rgba(255, 255, 255, 1);
	padding:20px 50px;
}


.whp:hover .wht {
    top: 100px;
}
.whp:hover .wht span:nth-child(1) {
    font-size: 3.5rem;
    color: rgba(255, 255, 255, .9)
}
.whp:hover .wht span:nth-child(2) {
    font-size: 2.5rem;
    color: rgba(255, 255, 255, .3);
}
.timebox {
    width: 100%;
    height: 580px;
    overflow: hidden;
}
.timep {
    width: 58%;
    height: calc(100% - 65px);
    margin-top: 50px;
    float: left;
    overflow: hidden;
    position: relative;
}
.timepic {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 100%;
}
.timeline {
    width: 70px;
    height: auto;
    min-height: 200%;
    padding-top: 160px; /* 跳一个点的距离+70 */
    position: relative;
    float: left;
    margin-left: 50px;
    border-left: 1px solid #999;
}


.timec {
    width: calc(42% - 130px);
    height: 100%;
    overflow: hidden;
    position: relative;
    float: left;
}
.timecont {
    width: 100%;
    height: auto;
    max-height: 100%;
    overflow: auto;
    padding-right: 20px;
    position: absolute;
    left: 0;
    top: 100%;
    color: #444;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.yt1 {
    margin-top:70px;
    font-size: 8.5rem;
    line-height: 140px;
}
.yt2 {
    margin-top: 15px;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 160%;
    height: auto;
    overflow: hidden;
}
.yt3 {
    margin-top: 15px;
    font-size: 0.875rem;
    line-height: 180%;
    height: auto;
    overflow: hidden;
    margin-top: 30px;
}
.adp {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-top: 120px;
}
.adp img {
    display: block;
    width: 100%;
    height: auto;
}

@media screen and (max-width: 1680px) {
    .jj {
        margin-top: 30px;
        font-size: 0.875rem;
    }
    .yt1 {
        margin-top: 50px;
        font-size: 6.8rem;
        line-height: 140px;
    }
    .yt2 {
        font-size: 1.2rem;
    }
    .adp {
        margin-top: 100px;
    }
    .smt {
        top: 140px;
    }
    .smt span:nth-child(1) {
        font-size: 2rem;
        height: 100px;
    }
    .smt span:nth-child(2) {
        font-size: 2.6rem;
    }
    .smt span:nth-child(3) {
        font-size: 1rem;
    }
    .smp:hover .smt {
        top: 130px;
    }
    .wht {
        top: 100px;
    }
    .wht span:nth-child(1) {
        font-size: 3.6rem;
    }
    .wht span:nth-child(2) {
        font-size: 1.8rem;
    }
    .whp:hover .wht span:nth-child(1) {
        font-size: 3.2rem;
    }
    .whp:hover .wht span:nth-child(2) {
        font-size: 2.4rem;
    }
}
@media screen and (max-width: 1440px) {
    .smt {
        top: 120px;
    }
    .smt span:nth-child(1) {
        font-size: 1.8rem;
        height: 80px;
    }
    .smt span:nth-child(2) {
        font-size: 2.4rem;
    }
    .smt span:nth-child(3) {
        font-size: 0.875rem;
    }
    .smp:hover .smt {
        top: 110px;
    }
    .wht {
        top: 80px;
    }
    .wht span:nth-child(1) {
        font-size: 3.4rem;
    }
    .wht span:nth-child(2) {
        font-size: 1.6rem;
    }
    .whp:hover .wht span:nth-child(1) {
        font-size: 3rem;
    }
    .whp:hover .wht span:nth-child(2) {
        font-size: 2.2rem;
    }
    .whp:hover .wht {
        top: 80px;
    }
}
@media screen and (max-width: 1280px) {

}