/* .wrap {
    margin: 0 160px;
}
@media only screen and (max-width: 1919px){
	.wrap {
	    margin: 0 120px;
	}
} */


@keyframes cloud
{
    from {left: 100%;}
    to {left: -50%;}
}
 
@-webkit-keyframes cloud /* Safari 与 Chrome */
{
    from {left: 100%;}
    to {left: -50%;}
}

.aboutCourse {
    height: 72vw;
    position: relative;
    background-size: 100% auto;
    background-position: center bottom;
    background-repeat: no-repeat;
}

.whListJianju120 {
    height: 90px;
}

.aboutTitle {
    font-size: 24px;
    color: #666;
}
.aboutTitle h3 {
    font-size: 44px;
    line-height: 1;
    padding: 0 0 16px;
    color: #000;
}
.aboutTitle p {
    font-family: "HarmonyOSLine";
}
.aboutCourse .bigNum {
    font-size: 600px;
    font-family: "RajdhaniBold";
    line-height: 1;
    height: 33vw;
    position: relative;
}

.aboutCourse .numItem {
    background: -webkit-linear-gradient(top, #f4f4f4 25%, transparent);
    -webkit-background-clip: text;
    color: rgba(0, 0, 0, 0);
    position: absolute;
    top: 0;
    left: 0;
    top: 50px;
    opacity: 0;
    -webkit-transform: scale(0.8);
    transform: scale(0.8);
    visibility: hidden;
    z-index: 1;
}
.aboutCourse .numItem.active {
    opacity: 1;
    visibility: visible;
    top: 0;
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-transition: all .3s;
    transition: all .3s;
}


.aboutCourse .anchorPointBox {
    width: 100%;
    left: 0;
    bottom: 0;
    height: 33vw;
    z-index: 2;
    position: absolute;
}
.aboutCourse .anchorPointBox .item {
    width: 12px;
    height: 12px;
    cursor: pointer;
    position: absolute;
}

.aboutCourse .anchorPointBox .item:nth-child(1) {
    left: 12vw;
    bottom: 15.8vw;
}
.aboutCourse .anchorPointBox .item:nth-child(2) {
    left: 24vw;
    bottom: 16.8vw;
}
.aboutCourse .anchorPointBox .item:nth-child(3) {
    left: 31.8vw;
    bottom: 18vw;
}
.aboutCourse .anchorPointBox .item:nth-child(4) {
    left: 39vw;
    bottom: 19.3vw;
}
.aboutCourse .anchorPointBox .item:nth-child(5) {
    left: 45vw;
    bottom: 21vw;
}
.aboutCourse .anchorPointBox .item:nth-child(6) {
    left: 51.5vw;
    bottom: 23.6vw;
}
.aboutCourse .anchorPointBox .item:nth-child(7) {
    left: 59.6vw;
    bottom: 24.5vw;
}
.aboutCourse .anchorPointBox .item:nth-child(8) {
    left: 67vw;
    bottom: 26.3vw;
}
.aboutCourse .anchorPointBox .item:nth-child(9) {
    left: 74.6vw;
    bottom: 28.4vw;
}
.aboutCourse .anchorPointBox .item:nth-child(10) {
    left: 82.6vw;
    bottom: 30.3vw;
}
.aboutCourse .anchorPointBox .item .year {
    bottom: 300%;
    font-size: 24px;
    color: #191919;
    left: 50%;
    font-family: "RajdhaniBold";
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
    position: absolute;
}
.aboutCourse .anchorPointBox .item .dian {
    width: 12px;
    height: 12px;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    position: absolute;
    border-radius: 50%;
    background: #c10200;
}
.aboutCourse .anchorPointBox .item .dian::before {
    width: 24px;
    height: 24px;
    content: "";
    background: #c10200;
    opacity: .2;
    left: 50%;
    top: 50%;
    position: absolute;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    border-radius: 50%;
}
.aboutCourse .anchorPointBox .item .dian span {
    position: absolute;
    left: 50%;
    top: 50%;
    opacity: 0;
    visibility: hidden;
    width: 24px;
    height: 24px;
    background: rgba(193, 2, 0, .5);
    border-radius: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}
.aboutCourse .anchorPointBox .item.active .dian span:nth-child(2) {
    -webkit-animation-delay: .5s;
    animation-delay: .5s;
}
.aboutCourse .anchorPointBox .item .imgAndText {
    position: absolute;
    bottom: 120px;
    left: 50%;
    /* width: 13.9vw; */
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    font-size: 16px;
    color: #191919;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    line-height: 1;
    -webkit-transform: translate(-50%, 50px);
    transform: translate(-50%, 50px);
    opacity: 0;
    visibility: hidden;
    -webkit-transition: all .3s linear;
    transition: all .3s linear;
	
	width: 270px;
}
.aboutCourse .anchorPointBox .item .imgAndText .pic {
    /* width: 13.9vw; */
    height: 7.85vw;
    border-radius: 10px;
    overflow: hidden;
    margin: 0 0 14px;
}
.aboutCourse .anchorPointBox .item .imgAndText .pic img {
    display: block;
    width: 100%;
}
.aboutCourse .cloud {
    width: 100%;
    height: 55.3vw;
    left: 0;
    bottom: 0;
    position: absolute;
}
.aboutCourse .cloud img {
    width: 100%;
    display: block;
    left: 100%;
    bottom: 0;
    position: absolute;
    -webkit-animation: cloud 60s linear infinite;
    animation: cloud 60s linear infinite;
}
.aboutCourse .cloud img:nth-child(2) {
    -webkit-animation: cloud 100s linear infinite;
    animation: cloud 100s linear infinite;
}


.aboutCourse .anchorPointBox .item.active .year {
    font-size: 56px;
    color: #c10200;
    font-weight: bold;
}
.aboutCourse .anchorPointBox .item.active .dian span {
    opacity: 1;
    visibility: visible;
    -webkit-animation: scaleOpt 1s linear infinite;
    animation: scaleOpt 1s linear infinite;
}
.aboutCourse .anchorPointBox .item.active .dian::after {
    width: 16px;
    content: "";
    height: 16px;
    left: 50%;
    top: 50%;
    border-radius: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    position: absolute;
    background: #fff;
    border: 4px solid #c10200;
}
.aboutCourse .anchorPointBox .item.active .imgAndText {
    -webkit-transform: translate(-50%, 0);
    transform: translate(-50%, 0);
    opacity: 1;
    visibility: visible;
}





@media (max-width: 1200px) {
	.aboutCourse .bigNum {font-size: 500px;}
	.aboutCourse .anchorPointBox .item .year {font-size:22px;}
	.aboutCourse .anchorPointBox .item.active .year {font-size: 50px;}
	.aboutCourse .anchorPointBox .item:nth-child(-n+2) .imgAndText {transform: translate(0, 0);}
	.aboutCourse .anchorPointBox .item:nth-last-child(-n+2) .imgAndText {transform: translate(-100%, 0);}
}

@media (max-width: 992px) {
	.aboutCourse .bigNum {font-size: 400px;}
	.aboutCourse .anchorPointBox .item .year {font-size:20px;}
	.aboutCourse .anchorPointBox .item.active .year {font-size: 45px;}
}
@media (max-width: 768px) {
	.aboutCourse .bigNum {font-size: 300px;}
	.aboutCourse .anchorPointBox .item .year {font-size:18px;}
	.aboutCourse .anchorPointBox .item.active .year {font-size: 40px;}
}
@media (max-width: 660px) {
	.aboutCourse .bigNum {font-size: 260px;}
	.aboutCourse .anchorPointBox .item .year {font-size:17px;}
	.aboutCourse .anchorPointBox .item.active .year {font-size: 35px;}
}
@media (max-width: 560px) {
	.aboutCourse {height: 500px;}
	.aboutCourse .bigNum {display: block;}
	.aboutCourse .bigNum, .aboutCourse .anchorPointBox {height: 500px;}
	
	.aboutCourse .bigNum {font-size: 220px;}
	.aboutCourse .anchorPointBox .item .year {font-size:16px;}
	.aboutCourse .anchorPointBox .item.active .year {font-size: 30px;}
	.aboutCourse .anchorPointBox .item .imgAndText {bottom: 80px;}
}
@media (max-width: 480px) {
	.aboutCourse .bigNum {font-size: 160px;}
	.aboutCourse .anchorPointBox .item .year {font-size:15px;}
	.aboutCourse .anchorPointBox .item.active .year {font-size: 25px;}
}