.dash{
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    width: 48px;
    height: 3px;
    background: #03a9f4;
}

.banner {
    width: 100%;
    height: 640px;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    overflow: hidden;
}
.banner_float {
    position: absolute;
    left: 70px;
    top: 50%;
    z-index: 9;
}
.bf_title {
    font-size: 40px;
    color: #fff;
    line-height: 48px;
    margin-bottom: .5em;
}
.bf_subtitle {
    font-size: 18px;
    color: hsla(0,0%,100%,.85);
    margin-top: 12px;
    font-weight: 400;
    margin-bottom: .5em;
}
.bf_btn {
    line-height: 48px;
    height: 48px;
    padding: 0 24px;
    margin: 0 12px 0 0;
    /*margin: 0 12px 0 0;*/
    border-radius: 24px;
    font-size: 18px;
    display: inline-block;
    background: #eb2f96;
    transition: background .2s ease;
    cursor: pointer;
    color: #fff;
    border: none;
    margin-top: 24px;
    position: relative;
}
.bf_btn:hover {
    background: #f759ab;
}
.bf_btn:hover img{
    display: block;
}
.bf_btn img {
    position: absolute;
    left: 100%;
    bottom: 50%;
    display: none;
}

.banner .mask {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    overflow: hidden;
}
.banner .mask_inner{
    width: 100%;
    height: 84px;
    border-left: 1920px solid transparent;
    border-bottom: 84px solid #fff;
}
.swiper-wrapper {
    width: 100%;
    height: 100%;
}
.swiper-slide {
    position: relative;
    color: #fff;
}
.swiper-slide .bg {
    width: 100%;
    height: 100%;
    background-size: cover;
}
.swiper-slide-mask {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,.2);
}

.section1 {
    width: 90%;
    margin: 0 auto;
    padding-top: 30px;
}
.section1::after {
    content: '';
    display: block;
    height: 0;
    clear: both;
}
.section1 h2 {
    font-size: 32px;
    padding-bottom: 18px;
    margin-bottom: 36px;
    text-align: center;
    position: relative;
}
.section1_item {
    display: inline-block;
    vertical-align: top;
    width: 33%;
    height: 428px;
    box-sizing: border-box;
    padding: 0 16px;
    cursor: pointer;
    margin-bottom: 40px;
}
.sim_tags {
    height: 60px;
    overflow: hidden;
}
.si_container {
    border: 1px solid #e8e8e8;;
}
.si_container:hover {
    box-shadow: 0 0 8px rgba(0,0,0,.1);
    /*box-shadow: 0px 0px 8px rgba(0,0,0,.1);*/
}
.si_bg {
    width: 100%;
    height: 210px;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}
.sib_inner {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80%;
    background: #fff;
    padding: 24px 24px 0;
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: flex-start;
    box-sizing: border-box;
}
.sib_inner h4 {
    font-size: 18px;
    line-height: 28px;
    margin-bottom: 3px;
}
.sib_inner p {
    font-size: 14px;
    color: rgba(0,0,0,.45);
}
.si_main {
    padding: 24px;
    border-bottom: 1px solid #e8e8e8;;
}
.sim_desc {
    display: flex;
    max-width: 100%;
    max-height: 54.6px;
    -webkit-line-clamp: 3;
    -webkit-box-align: start;
    flex-direction: row;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    line-height: 1.3;
    margin: 0 0 18px;
    color: rgba(0,0,0,.65);
}
.sim_tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 300;
    color: #0072a7;
    line-height: 24px;
    height: 24px;
    padding: 0 6px;
    /*padding: 0px 6px;*/
    background: #c9eeff;
    border-radius: 12px;
    justify-content: center;
    align-items: center;
    margin: 6px 6px 0 0;
    box-sizing: border-box;
}
.si_footer {
    justify-content: center;
    padding: 10px 6px;
    text-align: center;
    font-weight: 500;
    color: #757575;
}

.section2 {
    position: relative;
    /* background: url(../images/home/section2.png) center 40% no-repeat; */
    background-size: cover;
    overflow: hidden;
    font-size: 0;
}
.section2 .background {
    background-color: #00629f;
    background-image: linear-gradient(-20deg,#00629f,#003cad);
    opacity: .75;
    top: 0;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}
.section2 .mask {
    height: 84px;
    border-right: 1920px solid transparent;
    border-bottom: 84px solid #fff;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 3;
}
.section2 h2 {
    font-size: 40px;
    font-weight: 500;
    line-height: 180px;
    text-align: center;
    color: #fff;
    margin-bottom: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    z-index: 2;
    white-space: pre;
}

.section3 {
    width: 90%;
    margin: 40px auto 0;
}
.section3 h2 {
    font-size: 32px;
    padding-bottom: 18px;
    margin-bottom: 36px;
    text-align: center;
    position: relative;
}
.section3 h5 {
    text-align: center;
    color: #757575;
}
.section3_container {
    display: flex;
    margin-top: 50px;
}
.section3_item {
    flex: 1;
}
.section3 .indicator {
    position: relative;
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;
}
.section3 .indicator .line {
    width: 100%;
    height: 2px;
    background: #e8e8e8;
}
.section3 .indicator .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e8e8e8;
    margin-top: -7px;
    -webkit-transition: background .2s ease;
    transition: background .2s ease;
}
.section3_item:hover .dot {
    background: #03a9f4;
}
.section3 .icons {
    padding: 0 30px;
    text-align: center;
}
.section3 .icons img {
    height: 96px;
}
.section3 .texts {
    text-align: center;
    padding: 0 60px;
}
.section3 .texts h6 {
    font-size: 18px;
    color: rgba(0,0,0,.85);
    margin-bottom: 15px;
}
.section3 .texts .desc {
    color: rgba(0,0,0,.85);
    font-size: 14px;
    margin-bottom: 15px;
}
.section3 .texts a {
    color: #03a9f4;
    text-decoration: none;
}

.section4 {
    position: relative;
    background: url(../images/home/section2.png) center 40% no-repeat;
    background-size: cover;
    overflow: hidden;
    margin-top: 90px;
}
.section4 .background {
    background-color: #00629f;
    background-image: linear-gradient(-20deg,#00629f,#003cad);
    opacity: .75;
    top: 0;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}
.section4 .mask {
    height: 84px;
    border-right: 1920px solid transparent;
    border-bottom: 84px solid #fff;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 3;
}
.section4 h2 {
    font-size: 40px;
    font-weight: 500;
    line-height: 180px;
    text-align: center;
    color: #fff;
    margin-bottom: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    z-index: 2;
    white-space: pre;
}
.section4 p {
    color: #fff;
    line-height: 30px;
}
.section4 a {
    color: #03a9f4;
    text-decoration: none;
}
.section4 button {
    margin-top: 30px;
    color: #fff;
    background-color: #03a9f4;
    /*text-shadow: 0 -1px 0 rgb(0 0 0 / 12%);*/
    text-shadow: 0 -1px 0 rgba(0 0 0 0.12);
    /*box-shadow: 0 2px 0 rgb(0 0 0 / 5%);*/
    /*box-shadow: 0 2px 0 rgba(0 0 0 0.05);*/
    line-height: 1.5;
    position: relative;
    display: inline-block;
    font-weight: 400;
    white-space: nowrap;
    text-align: center;
    background-image: none;
    /*box-shadow: 0 2px 0 rgb(0 0 0 / 2%);*/
    box-shadow: 0 2px 0 rgba(0 0 0 0.02);
    cursor: pointer;
    -webkit-transition: all .3s cubic-bezier(.645,.045,.355,1);
    transition: all .3s cubic-bezier(.645,.045,.355,1);
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: manipulation;
    height: 32px;
    padding: 0 15px;
    font-size: 14px;
    border-radius: 4px;
    border: 1px solid #03a9f4;
}