.dalislide {
    margin-bottom: 5vw;
}

.dalislide .intro {
    width: 80%;
    height: auto;
    position: absolute;
    left: 10%;
    top: 8vw;
    z-index: 10;
    color: #fff;
}

.dalislide .intro .t1 {
    font-size: 2.5rem;
    line-height: 150%;
}
.dalislide .intro .t2 {
    font-size: 1.75rem;
    line-height: 150%;
}
.dalislide .intro .t3 {
    font-size: 1rem;
    line-height: 200%;
    margin-top: 20px;
    width: 35%;
}
.dalislide .intro .t4 {
    font-size: 2.5rem;
    line-height: 150%;
    text-align: right;
    width: 100%;
    float: right;
}
a.opena {
    display: block;
    float: right;
    width: 180px;
    height: 55px;
    line-height: 55px;
    background: #0c345c;
    color: #fff;
    border-radius: 30px;
    font-size: 1.125rem;
    text-align: center;
    margin-top: 20px;
}

.dalislide .slideb {
	bottom: 20px;
}
.dalislide .slideb em {
    width: 50px;
    height: 20px;
    margin: 0 5px;
    border-radius: 0;
    background: none;
    border-top: 4px solid rgba(255, 255, 255, .5);
}
.dalislide .slideb em.on {
    border-top: 4px solid #0c345c;
}
.dalislide .slideleft, .dalislide .slideright {
    display: none;
}

.des {
    display: none;
}

.yearbox {
    width: calc(100% - 50px);
    margin: 60px auto 0 auto;
    height: auto;
    position: relative;
    overflow: hidden;
}
.pname {
    width: 50%;
    line-height: 110%;
    font-size: 6rem;
    color: #d0d3d4;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
}
.years {
    width: 1060px;
    max-width: 90%;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
    position: relative;
}
.years::before {
    content: '';
    width: 2px;
    height: 100%;
    background: #f0f0f0;
    position: absolute;
    left: 50%;
    top: 0;
    z-index: 2;
}
.years .line {
    width: 2px;
    height: 260px;
    background: #0c345c;
    position: absolute;
    left: 50%;
    top: 0;
    z-index: 3;
    -webkit-transition: all 0.1s ease;
	-moz-transition: all 0.1s ease;
	-ms-transition: all 0.1s ease;
	-o-transition: all 0.1s ease;
	transition: all 0.1s ease;
}
.yl {
    width: calc(50% - 40px);
    float: left;
    margin-top: 180px;
}
.yr {
    width: calc(50% - 40px);
    float: right;
}
.yrow {
    height: auto;
    overflow: hidden;
}
.yrow span {
    display: block;
}
.y {
    font-size: 2.5rem;
    color: #ccc;
    line-height: 5rem;
    border-bottom: 1px solid #ddd;
}
.y.on {
    font-size: 6rem;
    line-height: 6rem;
    color: #0c345c;
    padding-bottom: 1rem;
}
.yr .yrow:nth-child(1) .y {
    margin-top: 0;
}
.t {
    font-size: 1.5rem;
    line-height: 4rem;
    color: #222;
}
.c {
    width: 75%;
    font-size: 0.875rem;
    line-height: 160%;
    color: #666;
}
.yrow img {
    display: block;
    max-width: 80%;
    margin-top: 40px;
    margin-bottom: 60px;
}

.opendes {
    cursor: pointer;
}
.openbox {
    width: 100%;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    background: #fff;
    display: none;
}
.openbox img.desbg {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
}
.openbox .gsmask {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 2;
    background: rgba(0, 0, 0, .1);
    /* 毛玻璃效果 */
    backdrop-filter: blur(30px);
}
.openbox .descont {
    width: 100%;
    height: 100%;
    display: table;
    position: relative;
    z-index: 5;
}
.openbox .desc, .openbox .desp {
    display: table-cell;
    vertical-align: middle;
}
.desc {
    width: 43%;
}
.desc span {
    display: block;
    width: 60%;
    margin: 0 auto;
    color: #fff;
    line-height: 180%;
}
.desc span:nth-child(1) {
    font-size: 3rem;
}
.desc span:nth-child(2) {
    font-size: 1.25rem;
    font-weight: bold;
}
.desc span:nth-child(3) {
    font-size: 1rem;
    margin-top: 20px;
}
.desp {
    width: 50%;
}

.desp img {
    display: block;
    max-width: 85%;
    max-height: 80vh;
}
.openbox .closedes {
    display: block;
    width: 30px;
    height: 30px;
    position: absolute;
    left: 50px;
    top: 50px;
    z-index: 10;
    cursor: pointer;
}
.openbox .closedes path {
    fill: #fff;
}
.desleft, .desright {
    width: 35px;
    height: 35px;
    position: absolute;
    bottom: 50px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    z-index: 10;
}
.desleft {
    left: 50px;
}
.desright {
    right: 50px;
}
.desleft .svg, .desright .svg {
    width: 50%;
    height: 50%;
    display: block;
    object-fit: contain;
    margin: 25%;
}
.desleft .svg path, .desright .svg path {
    fill: #0c345c;
}
.desleft:hover, .desright:hover {
    background: #0c345c;
}
.desleft:hover .svg path, .desright:hover .svg path {
    fill: #fff;
}


@media screen and (max-width: 1680px) {
    
}
@media screen and (max-width: 1440px) {
    
}
@media screen and (max-width: 1280px) {

}