.top_wrap {
    width: 100%;
    min-width: 1200px;
    height: 714px;
    background: url('../images/banner.png') no-repeat;
    background-size: 100% 100%
}

.top_wrap .header_wrap {
    width: 100%;
    height: 74px;
    transition: all 1s;
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 99
}

.top_wrap .header {
    width: 1200px;
    height: 74px;
    margin: 0 auto;
    zoom: 1;
    position: relative;
    height: 100%
}

.top_wrap .header:after {
    clear: both;
    content: '';
    display: block;
    width: 0;
    height: 0;
    visibility: hidden
}

.top_wrap .header .img {
    width: 150px;
    height: 42px;
    position: relative;
    top: 50%;
    transform: translateY(-50%)
}

.top_wrap .img img {
    width: 100%
}

.top_wrap .nav {
    position: relative;
    top: 50%;
    transform: translateY(-50%)
}

.top_wrap .nav ul {
    overflow: hidden;
    color: #fff
}

.top_wrap .nav a {
    color: #fff;
    font-family: DFPHeiW5-GB;
    font-size: 18px;
    line-height: 17px
}

.top_wrap .nav li {
    padding: 0 50px 0 20px
}

.product_wrap,
.about_wrap {
    width: 100%;
    border: 1px solid transparent
}

.product_wrap .product {
    width: 1200px;
    height: 823px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.product_wrap .product>h3 {
    font-size: 36px;
    font-family: DFPHeiW5;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    line-height: 35px;
    margin-top: 121px
}
.h-line {
    width: 144px;
    height: 14px;
    background-color: rgba(220, 66, 19, .5);
    position: absolute;
    top: 17px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
}
.h-line.last{
    top: 574px;
}

.product_wrap .product>h6 {
    font-size: 18px;
    font-family: STXihei;
    font-weight: 300;
    color: rgba(51, 51, 51, 1);
    line-height: 35px;
    margin-bottom: 100px
}

.product_wrap .title,
.application_wrap .title {
    overflow: hidden;
    border-bottom: 1px solid #666;
    padding-bottom: 9px
}

.product_wrap .title .title-l,
.application_wrap .title .title-l {
    font-size: 30px;
    font-family: DFPHeiW5;
    font-weight: 400;
    color: rgba(51, 51, 51, 1)
}

.product_wrap .title .title-r,
.application_wrap .title .title-r {
    display: block;
    width: 39px;
    height: 19px;
    font-size: 19px;
    font-family: Adobe Heiti Std R;
    font-weight: normal;
    color: rgba(102, 102, 102, 1)
}

.product_wrap .main .content {
    overflow: hidden
}

.product_wrap .main .content>div {
    width: 25%;
    height: 480px;
    float: left;
    position: relative
}

.product_wrap .content>div>div:first-child {
    width: 100px;
    height: 100px;
    margin: 100px auto 40px;
    background-size: 100% 100%;
    transition: all .5s;
    cursor: pointer
}

.product_wrap .content>div:nth-child(1) {
    background: url('../images/kuai.png') no-repeat center
}

.product_wrap .content>div:nth-child(2) {
    background: url('../images/hen.png') no-repeat center
}

.product_wrap .content>div:nth-child(3) {
    background: url('../images/zhun.png') no-repeat center
}

.product_wrap .content>div:nth-child(4) {
    background: url('../images/duo.png') no-repeat center
}

.product_wrap .content>div:nth-child(1)>div:first-child {
    background: url('../images/-s-kuai-1.png') no-repeat
}

.product_wrap .content>div:nth-child(2)>div:first-child {
    background: url('../images/-s-hen-1.png') no-repeat
}

.product_wrap .content>div:nth-child(3)>div:first-child {
    background: url('../images/-s-zhun-1.png') no-repeat
}

.product_wrap .content>div:nth-child(4)>div:first-child {
    background: url('../images/-s-duo-1.png') no-repeat
}

.product_wrap .content>div>h6 {
    font-size: 30px;
    font-family: DFPHeiW9;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    line-height: 28px
}

.product_wrap .content>div>p {
    margin-top: 20px;
    padding: 0 40px;
    font-size: 18px;
    font-family: DFPHeiW5;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    line-height: 28px
}

.product_wrap .content>div>.line {
    width: 22px;
    height: 2px;
    background-color: #dc4213;
    position: absolute;
    bottom: 118px;
    left: 50%;
    transform: translateX(-50%)
}

.swipe_wrap {
    width: 100%;
    min-width: 1200px;
    height: 640px;
    background: url('../images/swipe.png') no-repeat;
    background-size: 100% 100%;
    position: relative
}

.swipe_wrap ul {
    list-style: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%)
}

.application_wrap {
    width: 100%
}

.application_wrap .application {
    width: 1200px;
    margin: 0 auto
}

.application_wrap .title {
    margin-top: 120px;
    margin-bottom: 60px
}

.application .main ul {
    overflow: hidden;
    list-style: none
}

.application .main ul li {
    float: left;
    position: relative;
    margin: 40px 100px;
    width: 200px;
    height: 270px;
    box-shadow: 0 2px 6px rgba(220, 66, 19, 0.29)
}

.application .main ul li:hover {
    box-shadow: 0 0 10px 5px rgba(220, 66, 19, 0.2)
}

.application .main li img {
    width: 35px;
    position: absolute;
    right: 20px;
    top: 20px
}

.application .main li h6 {
    font-size: 28px;
    font-family: DFPHeiW7;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    line-height: 35px;
    position: absolute;
    top: 62px;
    left: 20px
}

.application .main li p {
    padding-right: 35px;
    font-size: 16px;
    font-family: DFPHeiW5;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    position: absolute;
    top: 207px;
    left: 20px
}

.about_wrap .about {
    width: 1200px;
    height: 1060px;
    margin: 80px auto 0;
    text-align: center;
    position: relative
}

.about_wrap .about>h3 {
    font-size: 36px;
    font-family: DFPHeiW5;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    line-height: 35px
}

.about_wrap .about>h6 {
    font-size: 18px;
    font-family: STXihei;
    font-weight: 300;
    color: rgba(51, 51, 51, 1);
    line-height: 35px
}

.about_wrap .about .content {
    position: relative;
    height: 368px;
    margin-bottom: 120px
}

.about_wrap .about .content>img {
    position: absolute;
    top: 70px;
    left: 190px
}

.about_wrap .about .content>h6 {
    position: absolute;
    top: 134px;
    left: 534px;
    font-size: 25px;
    font-family: DFPHeiW9;
    font-weight: 400;
    color: rgba(51, 51, 51, 1)
}

.about_wrap .about .content>span {
    position: absolute;
    top: 167px;
    left: 534px;
    font-size: 13px;
    font-family: DIN-Regular;
    font-weight: 400;
    color: rgba(51, 51, 51, 1)
}

.about_wrap .about .content>div {
    position: absolute;
    top: 201px;
    left: 534px;
    width: 480px;
    height: 121px;
    font-size: 16px;
    font-family: DFPHeiW5;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    line-height: 35px;
    text-align: left
}

.about_wrap .about textarea {
    width: 1108px;
    height: 174px;
    border: 2px solid rgba(204, 204, 204, 1);
    border-radius: 5px;
    margin-top: 120px;
    padding: 26px 44px;
    font-size: 16px;
    font-family: DFPHeiW5;
    font-weight: 400;
    color: rgba(153, 153, 153, 1);
    resize: none
}

textarea::-webkit-input-placeholder {
    color: rgba(153, 153, 153, 1)
}

textarea:-moz-placeholder {
    color: rgba(153, 153, 153, 1)
}

textarea::-moz-placeholder {
    color: rgba(153, 153, 153, 1)
}

textarea:-ms-input-placeholder {
    color: rgba(153, 153, 153, 1)
}

.about_wrap .about button {
    position: absolute;
    right: 0;
    margin-top: 25px;
    width: 110px;
    height: 40px;
    border: 2px solid rgba(204, 204, 204, 1);
    border-radius: 5px;
    background-color: #fff;
    font-size: 20px;
    font-family: DFPHeiW5;
    font-weight: 400;
    color: rgba(51, 51, 51, 1)
}

.foot_wrap {
    width: 100%;
    min-width: 1200px;
    height: 641px;
    margin-top: 100px;
    background: url('../images/foot.png') no-repeat;
    background-size: 100% 100%
}

.foot_wrap .foot {
    width: 1200px;
    height: 641px;
    margin: 0 auto;
    position: relative
}

.foot_wrap .foot>img {
    position: absolute;
    top: 180px;
    left: 216px
}

.foot_wrap .foot>div:nth-child(2),
.foot_wrap .foot>div:nth-child(3) {
    position: absolute;
    left: 595px;
    font-size: 18px;
    font-family: DFPHeiW5;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 35px
}

.foot_wrap .foot>div:nth-child(2) {
    top: 300px
}

.foot_wrap .foot>div:nth-child(3) {
    top: 367px
}

.foot_wrap .foot>div>img,
.foot_wrap .foot>div>span {
    vertical-align: middle
}

.foot_wrap .foot>div>img {
    margin: 0 19px
}

.foot_wrap .foot>div:nth-child(4) {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center
}

.foot_wrap .foot>div:nth-child(4)>p {
    font-size: 18px;
    font-family: STHeitiSC-Medium;
    font-weight: 500;
    color: rgba(255, 255, 255, 1);
    line-height: 38px
}