.top_area {
    background-image: url(../images/banner.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    height: 700px;
    min-width: 1300px;
    width: 100%;
}

.pano_st {
	position:absolute;
	background: #151515;
	width: 100%; 
	min-width: 1300px; 
	height: 700px; 
	z-index: 1;
}


.top_area_shadow {
    background: rgba(180, 0, 20, 0.85);
    position: absolute;
    z-index: 10; 
    width: 100%; 
    min-width: 1300px; 
    height: 700px;
}

.top_line {
    width: 1200px;
    margin: 0 auto;
}

.top_line {
    overflow: hidden;
    height: 620px;
    padding-top: 270px;
}

.top_line .left_info {
    float: left;
}

.top_line .left_info p {
    color: #ffffff;
}

.top_line .left_info .first_line {
    font-size: 18px;
    margin-bottom: -10px;
}

.top_line .left_info .second_line {
    font-size: 44px;
    vertical-align: middle;
}

.top_line .left_info .second_line i {
    font-size: 32px;
    font-style: normal;
}

.top_line .left_info .second_line span {
    color: #000000;
    font-size: 20px;
    font-weight: 600;
    background: #ffffff;
    padding: 5px;
    border-radius: 4px;
    margin-left: 10px;
    vertical-align: middle;
}

.top_line .left_info .second_line img {
    margin-left: 32px;
    vertical-align: middle;
    width: 120px;
}

.top_line .left_info .third_line {
    font-size: 14px;
    color: #ccc;
    margin-top: -10px;
}

.top_line .left_info .fourth_line {
    font-size: 48px;
    margin-top: 36px;
    margin-bottom: 20px;
}

.top_line .left_info a {
    font-size: 16px;
    color: #ffffff;
    line-height: 50px;
    padding: 15px 42px;
    background: #000000;
    border-radius: 8px;
}

.top_line .right_info {
    float: left;
    margin-left: 280px;
    position: relative;
}

.top_line .right_info img {
    width: 238px;
    position: absolute;
    top: -35px;
}

/* 背景图部分完成 */

.main_tech {
    width: 1200px;
    height: 240px;
    margin: 0 auto;
    position: relative;
    top: -40px;
    z-index: 20;
}

.two {
    position: absolute;
    top: 0;
    left: 0;
}

.main_tech div a {
    font-size: 24px;
    color: #ffffff;
    display: inline-block;
    text-align: center;
    line-height: 240px;
    text-shadow: #000000 0 0 10px;
    width: 400px;
    float: left;
}

.main_tech div a.rn {
    background: url(../images/identigy.png) no-repeat center;
    background-size: 100%;
}

.main_tech div a.le {
    background: url(../images/lens.png) no-repeat center;
    background-size: 100%;
    width: 400px;
}

.main_tech div a.xd {
    background: url(../images/worktogether.png) no-repeat center;
    background-size: 100%;
}

.two a {
    opacity: 0;
    z-index: 20;
}


/*图片放大*/
.in {
    box-shadow: 0 0 30px rgba(0, 0, 0, 1);
    -webkit-animation: in 0.2s linear;
    animation: in 0.2s linear;
    -webkit-animation-fill-mode: both;
    /* Safari 和 Chrome */
    animation-fill-mode: both;
}

@-webkit-keyframes in {
    from {
        -webkit-transform: scale(1);
        opacity: 0;
    }

    10% {
        -webkit-transform: scale(1);
        opacity: 1;
    }

    to {
        -webkit-transform: scale(1.1);
        opacity: 1;
    }
}

@keyframes in {
    from {
        transform: scale(1);
        opacity: 0;
    }

    10% {
        transform: scale(1);
        opacity: 1;
    }

    to {
        transform: scale(1.1);
        opacity: 1;
    }
}

/*图片缩小*/
.out {
    -webkit-animation: out 0.2s linear;
    -o-animation: out 0.2s linear;
    animation: out 0.2s linear;

    -webkit-animation-fill-mode: both;
    /* Safari 和 Chrome */
    animation-fill-mode: both;
}

@-webkit-keyframes out {
    from {
        -webkit-transform: scale(1.1);
        opacity: 1;
    }

    90% {
        -webkit-transform: scale(1);
        opacity: 0;
    }

    to {
        -webkit-transform: scale(1);
        opacity: 0;
    }
}

@keyframes out {
    from {
        transform: scale(1.1);
        opacity: 1;
    }

    90% {
        transform: scale(1);
        opacity: 1;
    }

    to {
        transform: scale(1);
        opacity: 0;
    }
}

.info_area {
    width: 1300px;
    margin: 0 auto;
}

.info_area .company_info {
    width: 1200px;
    height: 360px;
    margin: 0 auto;
    overflow: hidden;
}

.info_area .company_info .title_line {
    height: 360px;
    padding-top: 120px;
}

.info_area .company_info .title_line .title_line_first,
.info_area .company_info .title_line .title_line_second,
.info_area .company_info .title_line .title_line_third,
.info_area .company_info .title_line .title_line_fourth,
.info_area .company_info .title_line .title_line_fifth {
    float: left;
}

.info_area .company_info .title_line img {
    width: 73px;
}

.info_area .company_info .title_line p {
    font-size: 16px;
    margin-top: 10px;
    color: #000000;
    text-align: center;
}

.info_area .company_info .title_line .title_line_first {
    margin-left: 80px;
}

.info_area .company_info .title_line .title_line_second,
.info_area .company_info .title_line .title_line_third,
.info_area .company_info .title_line .title_line_fourth,
.info_area .company_info .title_line .title_line_fifth {
    margin-left: 170px;
}

/* 第二部分完成 */
/* 全景相机开始 */
.pc-slide {
    width: 100%;
    position: relative;
    min-width: 1300px;

}

.swiper-container {
    width: 100%;
    min-height: 750px;
}

.content {
    position: absolute;
    top: 28%;
    left: 50%;
    width: 1300px;
    height: auto;
    margin: 0 0 0 -650px;
}

.swiper-slide {
    position: relative;
    width: 100%;
}

.bg .swiper-slide {
    height: 800px;
    background-image: url(../images/product_bg.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;

}

.bg .swiper-slide:first-child {
    background-image: url(../images/product_bg.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;

}

.bg .swiper-slide:nth-child(3) {
    background-image: url(../images/product_bgb.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;

}

.bg .swiper-slide:nth-child(4) {
    background-image: url(../images/product_bgc.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;

}

.swiper-slide .mark {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
}

/*遮罩颜色*/
.marka {
    background: rgba(34, 49, 54, 0.7);
}

.markb {
    background: rgba(0, 0, 0, 0);
}

.markc {
    background: rgba(30, 27, 55, 0.1);
}

.product_area_txt {
    padding-top: 70px;
    padding-bottom: 70px
}

.product_area_txt p {
    text-align: center;
}

.product_area_txt p:nth-of-type(1) {
    font-size: 36px;
    font-weight: 600;
    color: #ffffff;
}

.product_area_txt p:nth-of-type(2) {
    font-size: 16px;
    color: #dbdbdb;
}

.swiper-pagination-bullet {
    position: relative;
    cursor: pointer;
    width: 100px;
    height: 26px;
    line-height: 26px;
    display: inline-block;
    border-radius: 0;
    background: rgba(0, 0, 0, 0);
    opacity: 1;
    margin-right: 5%;
    font-size: 14px;
    color: #ffffff;
    cursor: pointer;
    padding: 6px;
    border: solid 1px rgba(255, 255, 255, 0.2);
    border-radius: 6px;
}

.swiper-pagination {
    bottom: 7%;
    left: 26%;
    width: 50%;
}

.swiper-pagination-bullet-active {
    font-weight: 600;
    height: 30px;
    font-size: 16px;
    line-height: 30px;
    background: #000000;
    border-radius: 6px;
    border: none;
}

/* 全景相机结束 */

/* 插件相机开始 */
.product_area .product_b {
    background-image: url(../images/product_bgb.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 800px;
}

.product_area .product_b .product_b_line {
    width: 1200px;
    height: 400px;
    margin: 0 auto;
    overflow: hidden;
}

.product_area .product_b .product_b_line .b_line_first,
.product_area .product_b .product_b_line .b_line_second {
    float: left;
    border-radius: 8px;
}

.product_area .product_b .product_b_line .b_line_first {
    width: 580px;
    height: 400px;
    background-image: url(../images/pruduct_b_a.png);
    background-size: 100% 100%;
    /* position: relative; */
}

.product_area .product_b .product_b_line .b_line_first p {
    /* position: absolute; */
    font-size: 30px;
    color: #ffffff;
    text-align: right;
    margin-top: 90px;
    margin-right: 10px;
    font-family: 'SimSun', sans-serif;
}

.product_area .product_b .product_b_line .b_line_second {
    width: 580px;
    height: 400px;
    margin-left: 20px;
}

.product_area .product_b .product_b_line .b_line_second img {
    border-radius: 8px;
    width: 100%;
    height: 100%;
}

/* 插件相机结束 */

/* 安防监控开始 */
.product_area .product_c {
    background-image: url(../images/product_bgc.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 800px;
}

.product_area .product_c .product_c_line {
    width: 1200px;
    height: 400px;
    margin: 0 auto;
    overflow: hidden;
}

.product_area .product_c .product_c_line .c_line_first,
.product_area .product_c .product_c_line .c_line_second,
.product_area .product_c .product_c_line .c_line_third {
    float: left;
    border-radius: 8px;
}

.product_area .product_c .product_c_line .c_line_first,
.product_area .product_c .product_c_line .c_line_third {
    width: 290px;
    height: 400px;
    background: #ffffff;
}

.product_area .product_c .product_c_line .c_line_first img {
    width: 184px;
    padding-left: 53px;
    padding-top: 87px;
    padding-bottom: 20px;
}

.product_area .product_c .product_c_line .c_line_first p {
    text-align: center;
}

.product_area .product_c .product_c_line .c_line_first p:nth-of-type(1) {
    font-size: 20px;
    color: #000000;
}

.product_area .product_c .product_c_line .c_line_first p:nth-of-type(2) {
    font-size: 12px;
    color: #969696;
}

.product_area .product_c .product_c_line .c_line_second {
    width: 580px;
    height: 400px;
    background: #1b1b1b;
    margin-left: 20px;
    margin-right: 20px;
}

.product_area .product_c .product_c_line .c_line_second img {
    width: 373px;
    padding-left: 207px;
    padding-top: 34px;
}

.product_area .product_c .product_c_line .c_line_second p {
    margin-left: 30px;
}

.product_area .product_c .product_c_line .c_line_second p:nth-of-type(1) {
    font-size: 28px;
    color: #ffffff;
}

.product_area .product_c .product_c_line .c_line_second p:nth-of-type(2) {
    font-size: 14px;
    color: #838383;
}

.product_area .product_c .product_c_line .c_line_third img {
    width: 224px;
    padding-left: 40px;
    padding-top: 108px;
    padding-bottom: 64px;
}

.product_area .product_c .product_c_line .c_line_third p {
    text-align: center;
}

.product_area .product_c .product_c_line .c_line_third p:nth-of-type(1) {
    font-size: 20px;
    color: #000000;
}

.product_area .product_c .product_c_line .c_line_third p:nth-of-type(2) {
    font-size: 12px;
    color: #969696;
}

/* 安防监控结束 */
.product_txt {
    width: 1200px;
    margin: 0 auto;
}

.product_txt p {
    font-size: 20px;
    color: #ffffff;
    float: left;
    margin-top: -106px;
    cursor: pointer;
}

.product_txt .active {
    font-weight: 600;
}

.product_txt p:nth-of-type(1) {
    margin-left: 350px;
}

.product_txt p:nth-of-type(2) {
    margin-left: 550px;
}

.product_txt p:nth-of-type(3) {
    margin-left: 750px;
}

/* 第三部分完成 */
.tech_area {
    background-image: url(../images/use_ai.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    height: 700px;
    min-width: 1300px;
}

.tech_area_shadow {
    height: 700px;
    background: rgba(0, 0, 0, 0.5);
}

.tech_area .tech_info {
    width: 1200px;
    height: 700px;
    margin: 0 auto;
    overflow: hidden;
}

.tech_area .tech_info .tech_top {
    text-align: center;
}

.tech_area .tech_info .tech_top .ai_line {
    font-size: 36px;
    font-weight: 500;
    color: #ffffff;
    margin-top: 110px;
    margin-bottom: 10px;
}

.tech_area .tech_info .tech_top p {
    font-size: 16px;
    color: #c8c8c8;
    margin-bottom: 86px;
}

.tech_area .tech_info .tech_middle {
    height: 300px;
    padding-left: 117px;

}

.tech_area .tech_info .tech_middle p {
    float: left;
    width: 216px;
    height: 216px;
    font-size: 24px;
    line-height: 216px;
    text-align: center;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin-left: 52px;
    margin-right: 52px;
    background: rgba(0, 0, 0, 0.5)
}

.tech_area .tech_info .tech_bottom {
    text-align: center;
}

.tech_area .tech_info .tech_bottom a {
    font-size: 16px;
    color: #ffffff;
}

/* 第四部分完成 */
.contect_info {
    background: #ffffff;
}

.contect_info .contect_area {
    width: 1200px;
    height: 380px;
    margin: 0 auto;
    overflow: hidden;
}

.contect_info .contect_area a {
    font-size: 24px;
    font-weight: 600;
    color: #ffffff;
    background: #0096ff;
    width: 275px;
    height: 110px;
    line-height: 110px;
    float: left;
    text-align: center;
    border-radius: 8px;
    margin-top: 140px;
}

.contect_info .contect_area .first_contect {
    margin-left: 190px;
}

.contect_info .contect_area .second_contect {
    margin-left: 314px;
}

.product_a_line {
    width: 1200px;
    height: 400px;
    margin: 0 auto;
}

.product_a_line video {
    border-radius: 8px;
}

.product_a_line .a_line_first,
.product_a_line .a_line_second,
.product_a_line .a_line_third {
    float: left;
    border-radius: 8px;
}

.product_a_line .a_line_first {
    width: 580px;
    height: 400px;
    background: #000000;
    /* background-image: url(../images/full_img.png);
    background-size: 100% 100%; */
    position: relative;
}

.product_a_line .a_line_first img {
    position: absolute;
    width: 195px;
    top: 52px;
    left: -33px;

}

.product_a_line .a_line_first .a_line_first_txt {
    position: absolute;
    top: 62%;
    right: 15%;
    text-shadow: #000000 0 0 10px;
    z-index: 100;

}

.markbideos {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;

}

.again {
    position: absolute;
    bottom: 5%;
    right: 5%;
    width: 20px;
    height: 20px;
    background: url("../images/again.png") center no-repeat;
    background-size: 100%;
    color: transparent;
}

.product_a_line .a_line_first .a_line_first_txt p {
    color: #ffffff;
}

.product_a_line .a_line_first .a_line_first_txt p:nth-of-type(1) {
    font-size: 13px;
}

.product_a_line .a_line_first .a_line_first_txt p:nth-of-type(2) {
    font-size: 24px;
    vertical-align: middle;
}

.product_a_line .a_line_first .a_line_first_txt p:nth-of-type(2) span {
    font-size: 15px;
    color: #000000;
    font-size: 20px;
    font-weight: 600;
    background: #ffffff;
    padding: 5px;
    border-radius: 4px;
    margin-left: 10px;
    vertical-align: middle;
}

.product_a_line .a_line_first .a_line_first_txt p:nth-of-type(3) {
    font-size: 31px;
    margin-top: 10px;
}

.product_a_line .a_line_second {
    width: 289px;
    height: 400px;
    margin-left: 20px;
    margin-right: 20px;
    background: #ffffff;
    cursor: pointer;
}

.product_a_line .a_line_second .a_line_second_txt img {
    border-radius: 8px;
    width: 289px;
}

.product_a_line .a_line_second .a_line_second_txt p {
    text-align: center;
}

.product_a_line .a_line_second .a_line_second_txt p:nth-of-type(1) {
    font-size: 24px;
    color: #000000;
    margin-top: 70px;
    margin-bottom: -3px;
}

.product_a_line .a_line_second .a_line_second_txt p:nth-of-type(2) {
    font-size: 14px;
    color: #969696;
}

.product_a_line .a_line_third {
    width: 289px;
    height: 400px;
    background: #ffffff;
}

.product_a_line .a_line_third .a_line_third_txt {
    position: relative;
}

.product_a_line .a_line_third .a_line_third_txt img {
    position: absolute;
    width: 228px;
    top: 0;
    right: 0;
    border-radius: 8px;
}

.product_a_line .a_line_third .a_line_third_txt p {
    text-align: center;
}

.product_a_line .a_line_third .a_line_third_txt p:nth-of-type(1) {
    font-size: 24px;
    color: #000000;
    padding-top: 301px;
    margin-bottom: -3px;
}

.product_a_line .a_line_third .a_line_third_txt p:nth-of-type(2) {
    font-size: 14px;
    color: #969696;
}

/* 全景相机结束 */

/* 插件相机开始 */
.product_area .product_b {
    background-image: url(../images/product_bgb.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 800px;
}

.product_b_line {
    width: 1200px;
    height: 400px;
    margin: 0 auto;
    overflow: hidden;
}

.product_b_line .b_line_first,
.product_b_line .b_line_second {
    float: left;
    border-radius: 8px;
}

.product_b_line .b_line_first {
    width: 580px;
    height: 400px;
    background-image: url(../images/pruduct_b_a.png);
    background-size: 100% 100%;
    /* position: relative; */
}

.product_b_line .b_line_first p {
    /* position: absolute; */
    font-size: 30px;
    color: #ffffff;
    text-align: right;
    margin-top: 90px;
    margin-right: 10px;
    font-family: 'SimSun', sans-serif;
}

.product_b_line .b_line_second {
    width: 580px;
    height: 400px;
    margin-left: 20px;
}

.product_b_line .b_line_second img {
    border-radius: 8px;
    width: 100%;
    height: 100%;
}

/* 插件相机结束 */

/* 安防监控开始 */
.product_area .product_c {
    background-image: url(../images/product_bgc.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 800px;
}

.product_c_line {
    width: 1200px;
    height: 400px;
    margin: 0 auto;
    overflow: hidden;
}

.product_c_line .c_line_first,
.product_c_line .c_line_second,
.product_c_line .c_line_third {
    float: left;
    border-radius: 8px;
}

.product_c_line .c_line_first,
.product_c_line .c_line_third {
    width: 290px;
    height: 400px;
    background: #ffffff;
}

.product_c_line .c_line_first img {
    width: 184px;
    padding-left: 53px;
    padding-top: 87px;
    padding-bottom: 20px;
}

.product_c_line .c_line_first p {
    text-align: center;
}

.product_c_line .c_line_first p:nth-of-type(1) {
    font-size: 20px;
    color: #000000;
}

.product_c_line .c_line_first p:nth-of-type(2) {
    font-size: 12px;
    color: #969696;
}

.product_c_line .c_line_second {
    width: 580px;
    height: 400px;
    background: #1b1b1b;
    margin-left: 20px;
    margin-right: 20px;
}

.product_c_line .c_line_second img {
    width: 373px;
    padding-left: 207px;
    padding-top: 34px;
}

.product_c_line .c_line_second p {
    margin-left: 30px;
}

.product_c_line .c_line_second p:nth-of-type(1) {
    font-size: 28px;
    color: #ffffff;
}

.product_c_line .c_line_second p:nth-of-type(2) {
    font-size: 14px;
    color: #838383;
}

.product_c_line .c_line_third img {
    width: 224px;
    padding-left: 40px;
    padding-top: 108px;
    padding-bottom: 64px;
}

.product_c_line .c_line_third p {
    text-align: center;
}

.product_c_line .c_line_third p:nth-of-type(1) {
    font-size: 20px;
    color: #000000;
}

.product_c_line .c_line_third p:nth-of-type(2) {
    font-size: 12px;
    color: #969696;
}

/* 安防监控结束 */
.swiper-slide-active {
    width: 1200px;
    margin: 0 auto;
}