body {
    min-width: 1200px;
    display: flex;
    align-items: center;
    flex-direction: column;
}
body {
    padding-top: 73px;
}
.banner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.banner-img {
    width: 100%;
    height: 435px;
}
.title {
    font-size: 30px;
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.play-btn {
    position: absolute;
    width: 286px;
    height: 60px;
    background-color: #f24d4d;
    border-radius: 6px;
    font-size: 20px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    top: 280px;
}
.introduce {
    display: flex;
    align-items: center;
    /*justify-content: center;*/
    flex-direction: column;
    min-width: 1200px;
}
.about-dot {
    margin-right: -93px;
    vertical-align: top;
    margin-top: 20px;
}
.about-img {
    margin-top: 35px;
    width: 39vw;
    min-width: 750px;
    vertical-align: top;
}
.intro-text {
    text-align: justify;
    margin-top: -350px;
    position: absolute;
    font-size: 14px;
    line-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 27px 0 47px;
    width: 585px;
    height: 319px;
    background-color: #ffffff;
    box-shadow: 0px 7px 32px 0px
    rgba(0, 0, 0, 0.04);
}
.founder {
    margin-top: 90px;
    width: 100%;
    /*height: 1108px;*/
    background-color: #f8f8f8;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.about-title {
    background-image: url("../img/aboutUs/ahout-title.png");
    background-repeat: no-repeat;
    width: 173px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #ffffff;
    margin-bottom: 30px;
}
.li {
    margin-top: 15px;
    font-size: 16px;
}
.founder-text {
    width: 867px;
    font-size: 14px;
    line-height: 32px;
    white-space: pre-wrap;
    color: #666666;
}
.founder-bottom-text {
    color: #000000;
    font-size: 14px;
    white-space: pre-wrap;
    font-size: 500;
}
.sign-line {
    width: 867px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
}
.hide-text {
    color: #f24d4d;
    display: flex;
    align-items: center;
    cursor: pointer;
}
.fonder-intro {
    color: #444444;
    line-height: 14px;
}
.fonder-intro-box {
    width: 1150px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.founder-intro-text {
    color: #666666;
    width: 240px;
    text-align: justify;
    line-height: 24px;
}
.founder-intro-text1 {
    width: 210px;
    color: #666666;
    text-align: justify;
    line-height: 24px;
}
.founder-intro-title {
    font-weight: bold;
    padding-bottom: 10px;
    padding-top: 20px;
}
.intro-line {
    display: flex;
    width: 1200px;
    justify-content: space-between;
}
.definition {
    width: 1200px;
    height: 182px;
    background-color: #ffffff;
    box-shadow: 0 12px 18px 0
    rgba(0, 0, 0, 0.06);
    margin-bottom: -50px;
    margin-top: 80px;
    position: relative;
}
.define-title {
    font-size: 22px;
    margin-top: 30px;
    margin-left: 60px;
}
.define-text {
    width: 810px;
    color: #666666;
    line-height: 28px;
    margin-top: 20px;
    margin-left: 110px;
}
.left {
    position: absolute;
    left: 60px;
    top: 80px;
}
.right {
    left: 520px;
    position: absolute;
    top: 120px;
}
.sign {
    position: absolute;
    right: 50px;
    bottom: 20px;
}

.service-text-box {
    color: #646464;
    display: flex;
    flex-direction: column;
    margin-left: 8px;
    font-size: 14px;
}
.service-title {
    font-size: 20px;
    font-weight: 500;
    color: #333333;
    padding-bottom: 8px;
}
.service-line {
    display: flex;
    align-items: center;
    margin-top: 50px;
    width: 760px;
}
.service {
    display: flex;
    align-items: center;
    width: 330px;
    align-self: flex-start;
}
.service-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.service-main {
    display: flex;
    width: 1200px;
    justify-content: space-between;
    margin-top: 50px;
}
.split-line {
    width: 1200px;
    height: 1px;
    background-color: #e7e7e7;
    margin-top: 30px;
    margin-bottom: 15px;
}
.news-title {
    width: 270px;
    font-size: 16px;
    margin-top: 10px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.news-time {
    color: #999999;
    margin-top: 10px;
}
.news-line {
    display: flex;
    /*justify-content: space-between;*/
    width: 1236px;
    margin-top: 40px;
    margin-bottom: 50px;
}
.mask {
    background-image: linear-gradient(-180deg,rgba(255,255,255,0) 0,#f8f8f8 70%);
    height: 40px;
    margin-top: -30px;
    position: absolute;
    width: 867px;
}
.showMore {
    margin-top: -70px;
    padding-top: 30px;
    color: #f24d4d;
    cursor: pointer;
}

#showMore {
    display: flex;
    align-items: center;
    /*justify-content: center;*/
    margin-top: 20px;
    margin-bottom: 26px;
}
.more {
    display: none;
}
.video-box {
    position: fixed;
    z-index: 100;
    margin: auto;
    width: 100vw;
    height: 100vh;
    top: 0;
    display: none;
}
.about-video {
    z-index: 100;
    width: 700px;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    /*height: 435px;*/
    /*display: none;*/
    border: 5px solid #f24d4d;;
}
.close-video {
    position: relative;
    z-index: 1000;
    top: -190px;
    left: 342px;
    /*display: none;*/
}
.test {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
}
.us-mask {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: #3b3b3b;
    opacity: 0.5;
    z-index: 50;
    display: none;
}
.active-line {
    position: absolute;
    top: 55px;
    left: 24px;
}
.see-more {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-top: -25px;
    padding-right: 18px;
}
.see-more img {
    width: 11px;
    height: 10px;
    margin-left: 4px;
}
.see-more a {
    display: flex;
    align-items: center;
    color: #999;
}

.news-pic {
    width: 273px;
    height: 147px;
}
.news {
    margin: 0 18px;
}