.banner {
    margin-top: 128px;
    height: 600px;
    width: 100%;
    background: url(/images/banner-new.jpg) center no-repeat;
}

.banner .pop-up {
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
    text-align: right;
}

.alert-pop-up {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .5);
}

.pop-up {
    width: 100%;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
}

.form {
    box-shadow: 0px 6px 10px 0px rgba(0, 0, 0, 0.08);
    border-radius: 6px;
    background-color: #fff;
    width: 370px;
    padding: 40px 35px;
    box-sizing: border-box;
}

.form h4 {
    font-size: 26px;
    color: #57caf7;
    text-align: center;
    margin-bottom: 10px;
}

.form input,
.form select {
    border: 1px solid #e1e1e1;
    border-radius: 4px;
    width: 100%;
    color: #323232;
    padding: 10px;
    box-sizing: border-box;
    margin-top: 15px;
    font-size: 16px;
}

.form select {
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    padding-right: 14px;
    background: url(/images/iconslc.png) no-repeat;
    background-position: 95% center;
}

.form select::-ms-expand {
    display: none;
}

.form .tips {
    font-size: 12px;
    color: #909090;
    margin-top: 10px;
}

.form .btn {
    width: 175px;
    margin-top: 35px;
}

.btn {
    color: #fff;
    font-size: 20px;
    background-color: rgb(87, 202, 247);
    box-shadow: 0px 6px 15.68px 0.32px rgba(87, 202, 247, 0.4);
    border-radius: 6px;
    margin-left: auto;
    margin-right: auto;
    border: 0;

    -webkit-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
}

.btn:hover{
    background-color: #ffb93f;
    box-shadow: 0px 6px 16px 1px rgba(255, 185, 63, 0.3);
}

.index-wrap {
    width: 1200px !important;
}

.landingitem {
    padding-top: 80px;
    padding-bottom: 80px;
}

.p-title {
    margin-bottom: 80px;
    color: #57caf7;
    font-size: 38px;
    text-align: center;
}

.p-des {
    color: #323232;
    font-size: 24px;
    text-align: center;
    margin-top: 50px;
    margin-bottom: 110px;
}

.p2-con{
    perspective:1000px;
}
/* .p2-li {
    width: 220px;
    height: 220px;
    background-color: #57caf7;
    border-radius: 100%;
    color: #fff;
    line-height: 60px;
    cursor: pointer;
    -webkit-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
}

.p2-li:hover {
    background-color: #ffb225;
} */
/*.flip-container {
    perspective:1000px;
}
.flip-container:hover .flipper {
    transform:rotatey(180deg);
}
.flip-container,.front,.back {
    width: 220px;
    height: 220px;
    border-radius: 100%;
}
.flipper {
    -webkit-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
    transform-style:preserve-3d;
    position:relative;
    line-height: 60px;
}
.front,.back {
    position:absolute;
    cursor: pointer;
}
.front{
    background-color: #57caf7;
}
.back {
    background-color: #ffb225;
    transform:rotatey(180deg);
}



.flipper .verticalcentersub {
    font-size: 46px;
    color: #fff;
}*/

.p2-tips {
    font-size: 24px;
    margin-top: 90px;
    text-align: center;
    width: 100%;
}

.p2-tips span,
.p-des span {
    font-size: 30px;
    color: #57caf7;
}

#discounts {
    background: url(/images/promotion.png) center no-repeat;
    height: 500px;
}

#page3 {
    padding-top: 80px;
    background-color: #f8f8f8;
}

#page3 .p-title {
    margin-bottom: 60px;
}

#page3 .p-des {
    margin-bottom: 80px;
}

.p3-li {
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.04);
    border-radius: 4px;
    width: 280px;
    text-align: center;
    background-color: #fff;
    padding: 40px 20px;
    box-sizing: border-box;
    -webkit-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
}

.p3-li:hover {
    box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.08);
}

.mentor-img {
    width: 153px;
}

.mentor-name {
    color: #57caf7;
    font-size: 24px;
    margin-top: 20px;
}

.mentor-addr {
    color: #3a3a3a;
    font-size: 14px;
    padding-top: 15px;
    padding-bottom: 15px;
}

.mentor-des {
    color: #757575;
    font-size: 12px;
    line-height: 2;
    height: 8em;
    text-align: justify;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.mentor-tag {
    color: #757575;
    margin-bottom: 35px;
    margin-top: 15px;
}

.mentor-tag li {
    font-size: 12px;
    display: inline-block;
    width: 30%;
    border: 1px solid #f4f4f4;
    text-align: center;
    border-radius: 20px;
    padding-top: 5px;
    padding-bottom: 5px;
}

.mentor-btn {
    border-radius: 6px;
    width: 138px;
    color: #323232;
    font-size: 20px;
    padding-top: 10px;
    padding-bottom: 10px;
    margin-left: auto;
    margin-right: auto;
    background-color: #57caf7;
    cursor: pointer;
    text-align: center;
    color: #fff;
    box-shadow: 0px 6px 15.68px 0.32px rgba(87, 202, 247, 0.3);
    -webkit-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
}

.mentor-btn:hover,
.mentor-btn.act {
    background-color: #ffb225;
    box-shadow: 0px 6px 15.68px 0.32px rgba(247, 204, 87, 0.3);
}

.p3-comments {
    border-top: 1px solid #eeeeee;
    margin-top: 40px;
    padding-top: 40px;
    padding-bottom: 60px;
}

.p3-comments-li {
    width: 32%;
}

.comments-img {
    border-radius: 100%;
    float: left;
}

.p3-comments-txt {
    overflow: hidden;
    padding-left: 20px;
}

.comments-info {
    font-size: 14px;
    color: #757575;
    padding-top: 10px;
    padding-bottom: 5px;
}

.comments-info span {
    margin-left: 1em;
    color: #57caf7;
}

.comments-info font {
    float: right;
}

.comments-des {
    font-size: 12px;
    color: #323232;
    -ms-text-overflow: ellipsis;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.p4-li {
    padding: 40px;
    background-color: #fff;
    border-radius: 4px;
    width: 31.6%;
    box-sizing: border-box;
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.04);
}

.p4-li:hover {
    box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.08);
}

.p4-li h5 {
    color: #57caf7;
    font-size: 18px;
    margin-bottom: 35px;
    text-align: center;
}

.p4-li p {
    color: #3a3a3a;
    height: 9em;
    font-size: 14px;
    margin-bottom: 45px;
}

.p4-tips {
    margin-top: 35px;
    margin-bottom: 35px;
    color: #8f8f8f;
    font-size: 12px;
}

.btn-big {
    width: 400px;
    line-height: 90px;
    border-radius: 6px;
    font-size: 32px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    padding-top: 0;
    padding-bottom: 0;
}

.p5-li {
    height: 220px;
    background-color: #ffba3a;
    width: 360px;
    color: #fff;
    position: relative;
    float: left;
    margin-right: 60px;
}

.p5-li .verticalcentersub {
    font-size: 46px;
    text-align: center;
}

.p5-li:after {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-top: 45px solid transparent;
    border-bottom: 45px solid transparent;
    border-left: 60px solid #ffba3a;
    position: absolute;
    left: 100%;
    top: 65px;
}

#page5 .index-wrap {
    overflow: hidden;
}

.p5-li2 {
    background-color: #3f95f6;
}

.p5-li3 {
    background-color: #30d0e4;
    margin-right: 0;
}

.p5-li2:after {
    border-left-color: #3f95f6;
}

#page5 .p-des {
    margin-top: 80px;
    margin-bottom: 80px;
}

#page6 {
    background: url(/images/dld.png) center no-repeat;
    height: 910px;
    box-sizing: border-box;
}

.p6-con {
    float: right;
    width: 490px;
}

.p6-txt {
    line-height: 1.5;
}

.p6-txt p {
    font-size: 36px;
    font-weight: bold;
}

.p6-txt span {
    font-size: 30px;
}


.banner-app-qr {
    float: left;
}
.banner-app-qr img{
    width: 210px;
}
.banner-app-qr p{
    text-align: center;
    color: #323232;
    font-size: 14px;
    margin-top: 5px;
}
.banner-app-dld-btn{
    float: left;
}


.banner-app-dld-btn p {
    width: 180px;
    font-size: 20px;
    border-radius: 6px;
    text-align: center;
    transition: all .3s;
    -webkit-transition: all .3s;
    color: #fff;
    padding-top: 13px;
    padding-bottom: 13px;
    background-position: 24px center;
    background-color: #fff;
    background-repeat: no-repeat;
    display: inline-block;
}
.banner-app-dld-btn span {
    width: 7em;
    padding-left: 1.5em;
    display: inline-block;
}
.banner-app-dld-btn .ios.act {
    background-image: url(/images/banner-ios-h.png);
}
.ios.act {
    background-color: #57caf7;
    box-shadow: 0px 6px 16px 1px rgba(87, 202, 247, 0.3);
}
.banner-app-dld-btn .and:hover, .banner-app-dld-btn .and.act {
    background-image: url(/images/banner-and-h.png);
}
.banner-app-dld-btn .and.act {
    background-color: #ffb93f;
    color: #fff;
    box-shadow: 0px 6px 16px 1px rgba(255, 185, 63, 0.3);
}

.banner-app-dld-btn .ios:hover{
    background-color: #08b4f8;
}
.banner-app-dld-btn .and:hover{
    background-color: #ffa200;
}
.banner-app-dld-btn {
    float: left;
    padding-left: 40px;
    padding-top: 30px;
}
.ld-ios-btn{
    margin-bottom: 40px;
}
.banner-app-dld{
    margin-top: 20px;
}



/*翻牌动画*/
.brandsshow {
    width: 1200px;
    height: 620px;
    margin: 0 auto;
}

.brandsshow ul {
    margin-left: -20px;
    width: 1225px;
    height: auto;
}

.brandsshow ul li {
    float: left;
    display: inline;
    width: 283px;
    height: 283px;
}

.flip-container {
    perspective: 1000;
    -webkit-perspective: 1000px;
    /*父类容器中 perspective 子类允许透视*/
    -moz-perspective: 1000px;
    -ms-perspective: 1000px;
    -o-perspective: 1000px;
    perspective: 1000px;
    margin: 0px auto;
    border: 1px solid #fff;
}

.flip-container:hover .back {
    transform: rotatey(0deg);
    -webkit-transform: rotatey(0deg);
    -moz-transform: rotatey(0deg);
    -ms-transform: rotatey(0deg);
    -o-transform: rotatey(0deg);
    z-index: 2;
}

.flip-container:hover .front {
    transform: rotatey(180deg);
    -webkit-transform: rotatey(180deg);
    -moz-transform: rotatey(180deg);
    -ms-transform: rotatey(180deg);
    -o-transform: rotatey(180deg);
    z-index: 1
}

.flip-container,
.front,
.back {
    width: 220px;
    height: 220px;
    border-radius: 100%;
}
.front{
    background-color: #57caf7;
}
.back {
    background-color: #ffb225;
}
.flipper .verticalcentersub {
    font-size: 46px;
    color: #fff;
}

.flipper {
    transition: transform 0.6s ease-out;
    transition: transform .5s ease-in-out;
    -webkit-transition: transform .5s ease-in-out;
    -moz-transition: transform .5s ease-in-out;
    -ms-transition: transform .5s ease-in-out;
    -o-transition: transform .5s ease-in-out;
    -webkit-transform-style: preserve-3d;
    /*使其子类变换后得以保留 3d转换后的位置*/
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    transform-style: preserve-3d;
    display: block;
    position: relative;
}

.front,
.back {
    backface-visibility: hidden;
    transition: .6s ease-out;
    -webkit-transition: .6s ease-out;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    transform-style: preserve-3d;
    position: absolute;
    top: 0;
    left: 0;
}

.front img,
.back img {
    width: 283px;
    height: 283px;
    overflow: hidden;
}

.front {
    z-index: 2;
    transform: rotatey(0deg);
    transform: rotatey(0deg);
    -webkit-transform: rotatey(0deg);
    -moz-transform: rotatey(0deg);
    -ms-transform: rotatey(0deg);
    -o-transform: rotatey(0deg);
}

.back {
    z-index: 1;
    transform: rotatey(-180deg);
    transform: rotatey(-180deg);
    -webkit-transform: rotatey(-180deg);
    -moz-transform: rotatey(-180deg);
    -ms-transform: rotatey(-180deg);
    -o-transform: rotatey(-180deg);
}

<!--utf-8-->