.vodbtn {
    width: 100px;
    height: 100px;
    border: 3px solid #fff;
    border-radius: 50%;
    margin: -50px 0 0 -50px;
    background: none;
}
.vodbtn .svg {
    display: block;
    width: 40px;
    height: 40px;
    margin: 30px auto;
    -webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	-ms-transition: all 0.3s ease;
	-o-transition: all 0.3s ease;
	transition: all 0.3s ease;
}
.vodbtn .svg path {
    fill: #fff;
}
.vodbtn:hover {
    width: 120px;
    height: 120px;
    margin: -60px 0 0 -60px;
}
.vodbtn:hover .svg {
    width: 50px;
    height: 50px;
    margin: 35px auto;
    transform:rotate(90deg);
    -ms-transform:rotate(90deg);
    -moz-transform:rotate(90deg);
    -webkit-transform:rotate(120deg);
    -o-transform:rotate(90deg);
}

.bkt {
    margin-top: 2vw;
    height: 5vw;
}
.bkt span {
    display: block;
    float: left;
    font-size: 2.75rem;
    line-height: 120%;
    margin-right: 20px;
}

.pl, .case {
    width: 100%;
    height: auto;
    overflow: hidden;
}
.pl {
    font-size: 0;
    white-space: nowrap;
}
.pl a {
    display: inline-block;
    vertical-align: top;
    width: calc(25% - 25px);
    height: 25vw;
    position: relative;
    overflow: hidden;
    margin-left: 33px;
}
.pl a:nth-child(1) {
    margin-left: 0;
}
.pl a span {
    display: block;
    width: 100%;
    height: 5vw;
    line-height: 5vw;
    font-size: 1.75rem;
    color: #fff;
    padding-left: 25px;
    overflow: hidden;
    position: absolute;
    left: 0;
    bottom: 0;
}
.pl a .svg {
    display: block;
    width: 30px;
    height: 30px;
    object-fit: contain;
    position: absolute;
    right: 20px;
    bottom: 1.5vw;
}
.pl a .svg path {
    fill: #fff;
}

.case {
    margin-bottom: 5vw;
}
.case a {
    display: block;
    width: calc(50% - 20px);

    float: left;
    position: relative;
    overflow: hidden;
    margin: 0 0 40px 40px;
}

.case a p{margin-top:30px;}

.case a:nth-child(odd) {
    margin-left: 0;
}
.casei {
    display: table;
    width: 33%;
    height: 100%;
    position: absolute;
    left: 100%;
    top: 0;
    background: rgba(0,0,0,.7);
}
.casec {
    display: table-cell;
    width: 100%;
    height: 100%;
    vertical-align: bottom;
    padding: 10px;
}
.casec span {
    display: block;
    line-height: 150%;
    height: auto;
    overflow: hidden;
}
.casec span.ct {
    font-size: 1.125rem;
    font-weight: bold;
    color: #fff;
}
.casec span.cc {
    font-size: 1rem;
    max-height: 6rem;
    margin-top: 10px;
    color: #fff;
    display: -webkit-box;
    text-overflow: ellipsis;
    word-wrap: break-word;
    white-space: normal !important;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}
.casec span.ca {
    font-size: 0.875rem;
    color: #fff;
    margin-top: 15px;
    background: #00664f;
    line-height: 35px;
    padding-left: 10px;
}
.casec span.ca .svg {
    display: block;
    width: 26px;
    height: 26px;
    object-fit: contain;
    float: right;
    margin-right: 10px;
    margin-top: 5px;
}
.casec span.ca .svg path {
    fill: #fff;
}
.case a:hover .casei {
    left: 67%;
}



.indexbox {
    width: 100%;
    height: auto;
    overflow: hidden;
}
.welcome {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    background: #fff;
}
.welbar {
    width: 100%;
    height: 5px;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 10;
}
.welbar em {
    display: block;
    width: 0;
    height: 100%;
    background: #005636;
    -webkit-transition: all 2s ease;
	-moz-transition: all 2s ease;
	-ms-transition: all 2s ease;
	-o-transition: all 2s ease;
	transition: all 2s ease;
}
.welbar.on em {
    width: 100%;
}
.welnum {
    width: 100px;
    line-height: 30px;
    text-align: center;
    position: absolute;
    left: 50%;
    margin-left: -50px;
    bottom: 50px;
    z-index: 10;
}
.welcome img.c1 {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    mask-image: url(/static/images/iconfont/circle.svg);
    -webkit-mask-image: url(/static/images/iconfont/circle.svg);
    mask-position: center;
    -webkit-mask-position: center;
    mask-size: 100px;
    -webkit-mask-size: 100px;
    mask-repeat: no-repeat;
    -webkit-mask-repeat: no-repeat;
    -webkit-transition: all 2.5s ease;
	-moz-transition: all 2.5s ease;
	-ms-transition: all 2.5s ease;
	-o-transition: all 2.5s ease;
	transition: all 2.5s ease;
}
.welcome img.c1.move {
    mask-size: 130%;
    -webkit-mask-size: 130%;
}
.welcome .c2, .welcome .c3 {
    border-radius: 50%;
    background: #fff;
    position: absolute;
    left: 50%;
    top: 50%;
}
.welcome .c2 {
    width: 50px;
    height: 50px;
    margin-left: -25px;
    margin-top: -25px;
    z-index: 2;
    opacity: .8;
}
.welcome .c3 {
    width: 0;
    height: 0;
    z-index: 3;
    opacity: 1;
}
.welcome .c2.move, .welcome .c3.move {
    width: 130vw;
    height: 130vw;
    margin-left: -65vw;
    margin-top: -65vw;
    -webkit-transition: all 2.5s ease;
	-moz-transition: all 2.5s ease;
	-ms-transition: all 2.5s ease;
	-o-transition: all 2.5s ease;
	transition: all 2.5s ease;
}
.welcome .c2.move {
    opacity: 0;
}
.welcome .c2logo {
    display: block;
    width: 0;
    height: 0;
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 4;
    opacity: 0;
}
.welcome .c2logo.on {
    width: 100px;
    height: 100px;
    margin-left: -50px;
    margin-top: -50px;
    opacity: 1;
}
.welcome .c2logo.out {
    width: 100vw;
    height: 100vh;
    margin-left: -50vw;
    margin-top: -50vh;
    opacity: 0;
}

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