.top_area {
    background: url(../images/ka/banner_bg.png) #ccc;
    background-size: contain;
    background-repeat: no-repeat;
    background-position-x: left;
    background-position-y: bottom;
    height: 770px;
    width: 100%;
    min-width: 1300px;
}

.top_area_shadow {
    height: 770px;
    width: 100%;
    min-width: 1300px;
}

.main {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    /* position: relative; */
}

.top_area .top_space {
    padding-top: 330px;
}

.top_line p {
    color: #000000;
    text-align: left;
}

.top_line p span {
    margin-left: 20px;
    vertical-align: text-bottom;
}

.top_line p:nth-of-type(1) {
    font-size: 47px;
    line-height: 47px;
    margin-top: 20px;
}

.top_line p:nth-of-type(2) {
    font-size: 16px;
    /* line-height: 80px; */
}

.top_line p:nth-of-type(3) {
    font-size: 27px;
    line-height: 80px;
}

.main_txt,
.main_xiangji {
    float: left;
}

.main_txt img {
    margin-top: 40px;
    margin-left: -50px;
}

.main_xiangji img {
    width: 450px;
    margin-left: 60px;
    margin-top: -100px;
}

.first_area {
    height: 750px;
    background-image: url(../images/ka/first_bg.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position-x: center;
    background-position-y: center;
    width: 100%;
    min-width: 1300px;

}

.first_area_shadow {
    height: 750px;
    background: rgba(0, 0, 0, 0.5);
    width: 100%;
    min-width: 1300px;
}

.first_area .info_list {
    overflow: hidden;
    padding-bottom: 90px;
}

.first_area .info_list>p {
    font-size: 16px;
    color: #ffffff;
    text-align: center;
}

.first_area .info_list p:nth-of-type(1) {
    font-size: 40px;
    margin-top: 10px;
}

.first_area .info_list img {
    width: 200px;
    padding-top: 220px;
    display: block;
    margin: 0 auto;
}

.first_area .float_area {
    margin-top: 180px;
}

.first_area .float_area .float_txt {
    float: left;
    margin-right: 100px;
}

.first_area .float_area .float_txt:nth-of-type(1) {
    margin-left: 2px;
}

.first_area .float_area .last_txt {
    margin-right: 0;
}

.float_txt p {
    color: #ffffff;
    text-align: center;
}

.float_txt p:nth-of-type(1) {
    font-size: 39px;
}

.float_txt p:nth-of-type(2) {
    font-size: 20px;
}

.second_area {
    height: 760px;
    background: #121212;
    width: 100%;
    min-width: 1300px;
}

.use_area_first_shadow {
    height: 760px;
    background: rgba(0, 0, 0, 0.5);
}

.second_area .float_left,
.second_area .float_right {
    float: left;
    width: 600px;
}

.second_area .float_left .float_use {
    width: 600px;
    height: 110px;
    margin-top: 50px;
    padding-top: 60px;
}

.second_area .use_index {
    float: left;
    padding-top: 30px;
}

.second_area .use_index p {
    font-size: 14px;
    color: #ffffff;
    text-align: right;
    width: 300px;
}

.second_area .use_index_right {
    float: left;
}

.second_area .use_index_right img {
    width: 140px;
    margin-left: 66px;
}

.float_right img {
    width: 600px;
    margin-top: 210px;
    margin-left: 100px;
    z-index: 20;
}

.show_hide {
    overflow: visible;
}

.third_area {
    height: 660px;
    background: #141414;
    width: 100%;
    min-width: 1300px;
}

.third_area .left_txt,
.third_area .right_pic {
    float: left;
    /* width: 600px; */
}

.third_area .left_txt {
    width: 404px;
    padding-right: 230px;
    padding-top: 200px;
}

.third_area .left_txt h3 {
    font-size: 36px;
    color: #ffffff;
    text-align: right;
    font-weight: normal;
    margin-bottom: 20px;
}

.third_area .left_txt h3:nth-of-type(2) {
    margin-top: 80px;
}

.third_area .left_txt p {
    font-size: 18px;
    line-height: 22px;
    color: #ffffff;
    text-align: right;
}

.third_area .right_pic img {
    width: 300px;
    margin-top: 170px;
    margin-left: 50px;
}

.fourth_area {
    height: 850px;
    background: #0e0e0e;
    width: 100%;
    min-width: 1300px;
}

.fourth_area img {
    width: 1000px;
    margin: 0 auto;
    display: block;
    margin-top: 70px;
}

.sixth_area {
    height: 640px;
    background-image: url(../images/xing/fuwu_bg.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position-x: center;
    background-position-y: center;
    width: 100%;
    min-width: 1300px;
}

.sixth_area_shadow {
    height: 640px;
    background: rgba(0, 0, 0, 0.5);
    width: 100%;
    min-width: 1300px;
}

.sixth_area p {
    font-size: 48px;
    padding-top: 110px;
    color: #ffffff;
    text-align: center;
}

.sixth_area .sixth_float {
    float: left;
    margin-top: 150px;
    margin-left: 190px;
}

.sixth_area .sixth_float img {
    width: 60px;
    display: block;
    margin: 0 auto;
    margin-bottom: 20px;
}

.sixth_area .sixth_float p {
    font-size: 18px;
    line-height: 30px;
    padding-top: 0;
}


.swiper-pagination-bullet {
    border-radius: 0px;
}

.swiper-pagination-bullet-active {
    background: #ffffff;
}