* {
    list-style: none;
    margin: 0;
    padding: 0
}

a:hover {
    text-decoration: none
}

li, u.bt-totopl {
    list-style: none
}

.pull-left {
    float: left
}

.pull-right {
    float: right
}

.font0 {
    font-size: 0
}

.inline {
    display: inline
}

.block {
    display: block
}

.inline-block {
    display: inline-block
}

.none {
    display: none
}

.pc-lg {
    display: block
}

.min-lg {
    display: none
}

.pc-sm {
    display: block
}

.min-sm {
    display: none
}

.pc-md {
    display: block
}

.min-md {
    display: none
}

.pc-xl {
    display: block
}

.min-xl {
    display: none
}

@media (max-width: 1200px) {
    .pc-xl {
        display: none
    }

    .min-xl {
        display: block
    }
}

@media (max-width: 992px) {
    .pc-lg {
        display: none
    }

    .min-lg {
        display: block
    }
}

@media (max-width: 767px) {
    .pc-md {
        display: none
    }

    .min-md {
        display: block
    }
}

@media (max-width: 576px) {
    .pc-sm {
        display: none
    }

    .min-sm {
        display: block
    }
}

.container {
    max-width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: .9375rem;
    padding-left: .9375rem
}

@media (min-width: 480px) {
    .container {
        width: 606px
    }
}

@media (min-width: 768px) {
    .container {
        width: 750px
    }
}

@media (min-width: 992px) {
    .container {
        width: 970px
    }
}

@media (min-width: 1200px) {
    .container {
        width: 1170px
    }
}

@media (min-width: 1600px) {
    .container {
        width: 1310px
    }
}

#lg-img-wrap {
    position: fixed;
    z-index: 1000
}

body {
    padding-top: 60px
}

header {
    position: fixed;
    top: 0;
    z-index: 999;
    background: #fff;
    width: 100%;
    -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .15);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .15)
}

header .navbar-dark > a {
    width: 200px;
    margin: 0;
    padding: 5px 0
}

header .navbar-dark button .span span {
    background: #333;
    height: 1px;
    width: 60%;
    padding: 1px;
    margin: 3.5px 6px;
    float: left;
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: all .4s;
    transition: all .4s;
    position: relative;
    top: 0
}

header .navbar-dark button .span .spa {
    transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    position: relative;
    top: 9px
}

header .navbar-dark button .span .spb {
    opacity: 0;
    z-index: -1
}

header .navbar-dark button .span .spc {
    transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    position: relative;
    top: -9px
}

header .navbar-dark .navbar-nav .nav-item {
    margin-left: 40px
}

header .navbar-dark .navbar-nav .dropdown .nav-link i {
    margin-left: 5px
}

@media (max-width: 992px) {
    header .navbar-dark .navbar-nav .nav-item {
        margin-left: 30px
    }
}

@media (max-width: 768px) {
    header .navbar-dark .navbar-nav .nav-item {
        margin-left: 15px
    }
}

.navbar-dark {
    position: relative;
    z-index: 990;
    padding: 0
}

.navbar-dark .navbar-nav {
    font-size: .875rem
}

.navbar-dark .navbar-nav .nav-item .active {
    color: #305cc4
}

.navbar-dark .navbar-nav .nav-item .nav-link {
    color: #333;
    padding: 1rem 0
}

.navbar-dark .navbar-nav .nav-item:hover .nav-link {
    color: #305cc4
}

.navbar-dark .navbar-nav .dropdown .fa {
    font-size: .75rem
}

.navbar-dark .navbar-nav .dropdown:hover .dropdown-menu {
    display: block;
    margin-top: -5px;
    border: 0;
    overflow: hidden
}

.navbar-dark .navbar-nav .dropdown .dropdown-menu a {
    width: 100%;
    padding: .5rem 1rem;
    font-size: .875rem;
    display: inline-block
}

.navbar-dark .navbar-nav .dropdown .dropdown-menu a:active {
    background: #fafafa
}

.navbar-dark .navbar-nav .dropdown .dropdown-menu a:hover {
    color: #305cc4
}

@media (min-width: 768px) {
    .navbar-dark .navbar-nav {
        position: absolute;
        right: 0
    }
}

@media (max-width: 768px) {
    .navbar-dark .navbar-nav .nav-item .nav-link {
        padding: .5rem;
        width: 100%
    }

    .navbar-dark .navbar-nav .dropdown .dropdown-menu {
        width: 100%;
        border: 0;
        padding: 0 1rem
    }

    .navbar-dark .navbar-nav .dropdown:hover .dropdown-menu {
        width: 100%;
        padding: 0 1rem
    }
}

.bt-ind-banner .carousel-control-next, .bt-ind-banner .carousel-control-prev {
    display: none
}

.bt-ind-banner:hover .carousel-control-next, .bt-ind-banner:hover .carousel-control-prev {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex
}

.bt-ind-banner .carousel-control-prev .carousel-control-prev-icon {
    background: url(/tpl/btui017/original/prev-icon.png) no-repeat;
    width: 14px;
    height: 40px
}

.bt-ind-banner .carousel-control-next .carousel-control-next-icon {
    background: url(/tpl/btui017/original/next-icon.png) no-repeat;
    width: 14px;
    height: 40px
}

.bt-index-service {
    padding: 50px 0;
    text-align: center
}

.bt-index-service .bt-service-title {
    text-align: center
}

.bt-index-service .bt-service-title h2 {
    font-size: 2.25rem;
    font-weight: 400;
    margin-bottom: 20px
}

.bt-index-service .bt-service-title h5 {
    font-size: 1.5rem;
    margin-bottom: 20px
}

.bt-index-service .service-list {
    margin: 30px 0;
    font-size: 0
}

.bt-index-service .service-list li {
    width: 16.6%;
    display: inline-block;
    margin: 0;
    padding: 0
}

.bt-index-service .service-list li .big {
    border-radius: 50%;
    height: 150px;
    width: 150px;
    border: 1px solid #305cc4
}

.bt-index-service .service-list li .big, .bt-index-service .service-list li .big .small {
    display: block;
    margin: auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-transition: .3s;
    transition: .3s
}

.bt-index-service .service-list li .big .small {
    border-radius: 50%;
    height: 110px;
    width: 110px;
    background: #305cc4
}

.bt-index-service .service-list li .big .small i {
    font-size: 3.25rem;
    -webkit-transition: .3s;
    transition: .3s
}

.bt-index-service .service-list li p {
    font-size: 1rem;
    text-align: center;
    font-weight: 700;
    margin-top: 15px
}

.bt-index-service .service-list li p a {
    color: #333
}

.bt-index-service .more {
    display: inline-block;
    border: 1px solid #333;
    padding: 8px 35px;
    font-size: .875rem;
    font-weight: 700;
    color: #333;
    -webkit-transition: .3s;
    transition: .3s
}

.bt-index-service .service-list li p a:hover {
    color: #305cc4
}

.bt-index-service .service-list li .big:hover {
    border: 1px solid #fff
}

.bt-index-service .service-list li .big:hover .small {
    height: 148px;
    width: 148px
}

.bt-index-service .service-list li .big:hover .small i {
    -webkit-transform: rotateY(-180deg);
    transform: rotateY(-180deg);
    font-size: 3.75rem
}

.bt-index-service .more:hover {
    background: #305cc4;
    color: #fff;
    border: 1px solid #305cc4
}

@media (max-width: 992px) {
    .bt-index-service .service-list li {
        width: 33.3%
    }
}

@media (max-width: 576px) {
    .bt-index-service .service-list li {
        width: 50%
    }
}

@media (max-width: 360px) {
    .bt-index-service .service-list li .big {
        height: 115px;
        width: 115px
    }

    .bt-index-service .service-list li .big .small {
        height: 85px;
        width: 85px
    }

    .bt-index-service .service-list li .big .small i {
        font-size: 2.5rem
    }

    .bt-index-service .service-list li p {
        font-size: 1rem;
        margin-top: 10px
    }

    .bt-index-service .service-list li .big:hover .small {
        height: 113px;
        width: 113px
    }

    .bt-index-service .service-list li .big:hover .small i {
        -webkit-transform: rotateY(-180deg);
        transform: rotateY(-180deg);
        font-size: 4rem
    }
}

.bt-index-product {
    padding: 50px 0;
    background: #f5f5f5
}

.bt-index-product .product-show .txt-inabout {
    color: #fff;
    font-size: 2.25rem;
    z-index: 999;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    position: absolute;
    top: 50%;
    left: 10%;
    font-weight: 700;
    margin-bottom: 0
}

.bt-index-product .bt-product-title {
    text-align: left;
    padding-left: 60px;
    position: relative
}

.bt-index-product .bt-product-title div {
    width: 100px;
    height: 500px;
    background: #305cc4;
    position: absolute;
    left: 0;
    width: 10px;
    height: 40px
}

.bt-index-product .bt-product-title h2 {
    color: #a0a0a0;
    font-size: 2rem;
    margin-bottom: 10px
}

.bt-index-product .bt-product-title h5 {
    color: #000;
    font-size: 2.625rem;
    margin-bottom: 5px
}

.bt-index-product .bt-product-title p {
    color: #a0a0a0;
    font-size: .875rem
}

.bt-index-product .product-show .row > div {
    padding: .5375rem;
    padding-top: 0
}

.bt-index-product .product-show .row > div i {
    position: absolute;
    bottom: 40px;
    right: -20px;
    width: 60px;
    height: 60px;
    background: #fff;
    border-radius: 50%;
    z-index: 110;
    color: #305cc4;
    font-size: 1.5rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    opacity: 0;
    -webkit-transition: .5s;
    transition: .5s
}

.bt-index-product .product-show .row > div a > div {
    overflow: hidden;
    background: #000;
    position: relative;
    border-radius: 5px
}

.bt-index-product .product-show .row > div a > div div {
    bottom: 0;
    width: 100%;
    background: #305cc4;
    position: absolute;
    font-size: 1.5rem;
    color: #fff;
    padding: 12px 30px
}

.bt-index-product .product-show .row > div img {
    -webkit-transition: .7s;
    transition: .7s;
    width: 100%
}

.bt-index-product .product-show .row > div a div:hover img {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
    opacity: .5
}

.bt-index-product .product-show .row > div a div:hover i {
    opacity: 1;
    position: absolute;
    bottom: 40px;
    right: 25px
}

@media (max-width: 992px) {
    .bt-index-product .bt-product-title {
        padding-left: 30px
    }
}

@media (max-width: 576px) {
    .bt-index-product .product-show .row {
        margin-left: auto;
        margin-right: auto
    }

    .bt-index-product .product-show .coleft {
        padding-right: 0;
        padding-left: 0;
        padding-bottom: 0
    }
}

.bt-index-about {
    padding-top: 50px
}

.bt-index-about .bt-about-title {
    text-align: center
}

.bt-index-about .bt-about-title h2 {
    font-size: 1.875rem;
    margin-bottom: 5px;
    color: #a0a0a0
}

.bt-index-about .bt-about-title h5 {
    font-size: 2.125rem;
    margin-bottom: 0
}

.bt-index-about .about-show {
    margin: 30px 0
}

.bt-index-about .about-show .more {
    color: #fff;
    border: 1px solid #fff;
    font-size: .75rem;
    border-radius: 3px;
    padding: 5px 20px;
    position: absolute;
    bottom: 40px
}

.bt-index-about .about-show .about-txt {
    padding: 60px 40px;
    color: #fff;
    background: #008ce1
}

.bt-index-about .about-show .about-txt h4 {
    font-size: 1.125rem;
    margin-bottom: 25px
}

.bt-index-about .about-show .about-txt p {
    font-size: .875rem;
    margin-bottom: 0
}

.bt-index-about .about-show .about-txt1 {
    height: 300px
}

.bt-index-about .about-show .about-txt2 {
    height: 215px
}

.bt-index-about .about-show .about-txt3 {
    height: 255px
}

.bt-index-about .about-show .about-img1 {
    background: url(/tpl/btui017/original/about1.jpg) 50% no-repeat;
    height: 300px
}

.bt-index-about .about-show .about-img2 {
    background: url(/tpl/btui017/original/about2.jpg) 50% no-repeat;
    height: 275px
}

.bt-index-about .about-show .about-img3 {
    background: url(/tpl/btui017/original/about3.jpg) 50% no-repeat;
    height: 315px;
    position: relative;
    top: -60px
}

@media (max-width: 768px) {
    .bt-index-about .about-show .row {
        margin: 0
    }

    .bt-index-about .about-show .about-img1, .bt-index-about .about-show .about-img2 {
        height: 200px
    }

    .bt-index-about .about-show .about-img3 {
        height: 220px;
        background: url(/tpl/btui017/original/about3.jpg) 50% no-repeat;
        position: relative;
        top: 0;
        padding: 0
    }

    .bt-index-about .about-show .about-txt {
        padding: 30px 20px
    }

    .bt-index-about .about-show .about-txt p {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis
    }

    .bt-index-about .about-show .about-txt1, .bt-index-about .about-show .about-txt2, .bt-index-about .about-show .about-txt3 {
        height: auto
    }

    .bt-index-about .about-show .more {
        display: none
    }
}

.bt-index-case {
    padding: 50px 0;
    background: url(/tpl/btui017/original/bg-case.jpg) 50%;
    background-repeat: no-repeat;
    background-size: cover;
    text-align: center
}

.bt-index-case .bt-case-title {
    text-align: center;
    color: #fff
}

.bt-index-case .bt-case-title h2 {
    font-size: 1.875rem;
    margin-bottom: 5px
}

.bt-index-case .bt-case-title h5 {
    font-size: 2.125rem;
    margin-bottom: 0
}

.bt-index-case .case-list {
    margin: 30px 0;
    overflow: hidden
}

.bt-index-case .case-list li {
    width: 25%;
    float: left;
    padding: 15px
}

.bt-index-case .case-list li .card {
    border-radius: 1.5px;
    border: none;
    text-align: center;
    overflow: hidden
}

.bt-index-case .case-list li .card img {
    width: 100%;
    -webkit-transition: .5s;
    transition: .5s
}

.bt-index-case .case-list li .card > a {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    position: relative
}

.bt-index-case .case-list li .card > a > i {
    width: 100%;
    height: 100%;
    position: absolute;
    background: #000;
    opacity: 0;
    z-index: 90;
    -webkit-transition: .5s;
    transition: .5s
}

.bt-index-case .case-list li .card > a span {
    width: 44px;
    height: 44px;
    position: absolute;
    background: url(/tpl/btui017/original/case0.png);
    top: -44px;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    z-index: 100;
    -webkit-transition: .5s;
    transition: .5s
}

.bt-index-case .case-list li .card-body {
    padding: 15px;
    text-align: center;
    position: relative
}

.bt-index-case .case-list li .card-body i {
    color: #fff;
    position: absolute;
    font-size: 2.5rem;
    left: 50%;
    top: -25px;
    -webkit-transform: translate(-50%);
    transform: translate(-50%);
    z-index: 110
}

.bt-index-case .case-list li .card-body p {
    margin-bottom: 0;
    font-size: 1.125rem;
    line-height: 20px;
    color: #333
}

.bt-index-case .case-list li .card > a:hover > i {
    opacity: .4
}

.bt-index-case .case-list li .card > a:hover span {
    top: 50%
}

.bt-index-case .more {
    font-size: .875rem;
    background: rgba(0, 140, 225, .8);
    color: #fff;
    padding: 10px 30px;
    border-radius: 5px
}

@media (max-width: 992px) {
    .bt-index-case .case-list li {
        width: 50%;
        padding: 10px
    }
}

@media (max-width: 576px) {
    .bt-index-case .case-list li {
        width: 100%;
        padding: 15px 0
    }
}

.bt-index-news {
    padding: 50px 0
}

.bt-index-news, .bt-index-news .bt-news-title {
    text-align: center
}

.bt-index-news .bt-news-title h2 {
    font-size: 1.875rem;
    color: #a0a0a0;
    margin-bottom: 5px
}

.bt-index-news .bt-news-title h5 {
    font-size: 2.125rem;
    color: #333;
    margin-bottom: 0
}

.bt-index-news .news-list {
    margin: 20px 0
}

.bt-index-news .news-list div {
    text-align: left;
    padding: 20px
}

.bt-index-news .news-list div p {
    margin-bottom: 0
}

.bt-index-news .news-list div .time {
    font-size: .875rem;
    color: #a0a0a0
}

.bt-index-news .news-list div .title {
    font-size: .9375rem;
    font-weight: 700;
    color: #333;
    margin: 5px 0 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis
}

.bt-index-news .news-list div .text {
    font-size: .9375rem;
    color: #000;
    margin-top: 10px;
    color: #a0a0a0;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden
}

.bt-index-news .news-list div hr {
    width: 100%;
    background: #e6e6e6;
    z-index: 90;
    height: 10px;
    margin: 0;
    height: 1px
}

.bt-index-news .news-list div .on {
    width: 5%;
    background: #787878;
    z-index: 100;
    position: relative;
    top: 2px;
    -webkit-transition: .6s;
    transition: .6s
}

.bt-index-news .news-list div .text ~ .title:hover, .bt-index-news .news-list div .title:hover {
    color: #008ce1
}

.bt-index-news .news-list div:hover .on {
    width: 100%
}

.bt-index-news .more {
    color: #a0a0a0;
    -webkit-transition: .3s;
    transition: .3s
}

.bt-index-news .more, .bt-index-news .more:hover {
    border: 1px solid #999;
    padding: 5px 50px;
    font-size: 1rem
}

.bt-index-news .more:hover {
    background: #999;
    color: #fff
}

footer {
    background: #2f2f2f;
    color: #fff;
    padding: 50px 0
}

footer .bt-foot h4 {
    font-size: 1.375rem;
    margin-bottom: 40px
}

footer .bt-foot p {
    margin-bottom: 0;
    font-size: .9375rem;
    line-height: 30px
}

footer .bt-foot .bt-foot-about {
    padding-right: 60px
}

footer .bt-foot .bt-foot-about i {
    font-size: 1.75rem;
    color: #fff;
    margin: 10px
}

footer .bt-foot .bt-foot-nav li {
    line-height: 30px
}

footer .bt-foot .bt-foot-nav li a {
    color: #fff;
    font-size: .9375rem
}

footer .bt-foot .bt-foot-nav li i {
    margin-right: 10px;
    font-size: .75rem
}

footer .bt-link {
    text-align: center;
    font-size: .9375rem;
    color: #fff;
    margin: 30px 0
}

footer .bt-link a {
    margin: 5px;
    color: #fff
}

footer .bt-bottom {
    text-align: center;
    font-size: .9375rem
}

footer .bt-bottom p {
    margin-bottom: 10px
}

footer .bt-bottom a {
    color: #fff
}

.bt-totop {
    cursor: pointer;
    display: none;
    text-align: center;
    background: #008ce1;
    position: fixed;
    right: 3%;
    bottom: 3%;
    z-index: 999;
    border-radius: 50%
}

.bt-totop i {
    font-size: 2rem;
    color: #fff;
    padding: 3px 10px 6px
}

@media (max-width: 992px) {
    footer .bt-foot h4 {
        font-size: 1.375rem;
        margin-bottom: 20px
    }

    footer .bt-foot .bt-foot-about {
        padding-right: 15px;
        margin-bottom: 20px
    }
}

@media (max-width: 576px) {
    .bt-totop {
        bottom: 9%
    }
}

.bt-menu-list {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    text-align: center;
    display: block;
    z-index: 999;
    background: #008ce1
}

.bt-menu-list ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    text-align: center;
    margin-bottom: 0
}

.bt-menu-list ul li {
    font-weight: 200;
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1
}

.bt-menu-list ul li a {
    color: #fff;
    padding: 5px;
    display: inline-block;
    text-decoration: none
}

.bt-menu-list ul li a i {
    display: block;
    font-size: 1rem
}

.bt-menu-list ul li a span {
    font-size: .875rem
}

@media (min-width: 767px) {
    .bt-menu-list {
        display: none
    }
}

.bt-topimg img {
    width: 100%
}

.bt-subcolumn-nav {
    border-bottom: 1px solid #eee
}

.bt-subcolumn-nav ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    margin-bottom: 0
}

.bt-subcolumn-nav ul .swiper-slide {
    width: auto
}

.bt-subcolumn-nav ul li, .bt-subcolumn-nav ul li a {
    display: inline-block;
    color: #333
}

.bt-subcolumn-nav ul li a {
    height: 60px;
    line-height: 60px;
    padding: 0 20px;
    border-bottom: 0 solid #008ce1;
    font-size: .9375rem
}

.bt-subcolumn-nav ul li span {
    padding: 0 15px
}

.bt-subcolumn-nav ul li:first-child span {
    display: none
}

.bt-subcolumn-nav ul li .active, .bt-subcolumn-nav ul li a:hover {
    border-bottom: 2px solid #008ce1;
    color: #008ce1
}

.bt-subcolumn-nav .subtitled .swiper-scrollbar {
    height: 2px;
    background: #e5e5e5
}

.bt-subcolumn-nav .subtitled .swiper-scrollbar .swiper-scrollbar-drag {
    background: #b2b2b2
}

@media (max-width: 767px) {
    .bt-subcolumn-nav ul li span {
        padding: 0 10px
    }

    .bt-subcolumn-nav ul li .active, .bt-subcolumn-nav ul li a:hover {
        border-bottom: none
    }
}

@media (max-width: 480px) {
    .bt-subcolumn-nav ul {
        -webkit-box-pack: left;
        -ms-flex-pack: left;
        justify-content: left
    }
}

.bt-para {
    border-bottom: 1px solid #eee;
    padding: 10px 0
}

.bt-para ul {
    display: inline-block;
    margin-top: 6px;
    margin-bottom: 0
}

.bt-para ul li {
    float: left;
    padding: 5px
}

.bt-para ul li a {
    color: #333;
    font-size: .875rem;
    padding: 5px 10px;
    margin: 0 5px
}

.bt-para ul li a:hover {
    color: #008ce1
}

.bt-para ul li i {
    padding: 0 5px
}

.bt-breadcrumb ul {
    padding: 10px 0;
    margin-bottom: 0
}

.bt-breadcrumb ul li {
    font-size: .875rem;
    display: inline-block
}

.bt-breadcrumb ul li:first-child i {
    display: none
}

.bt-breadcrumb ul li a {
    color: #305cc4
}

.bt-breadcrumb ul li i {
    color: #305cc4;
    margin: 0 5px
}

.bt-breadcrumb0 ul {
    padding: 15px 0;
    margin-bottom: 0
}

.bt-breadcrumb0 ul li {
    font-size: .875rem;
    display: inline-block
}

.bt-breadcrumb0 ul li:first-child i {
    display: none
}

.bt-breadcrumb0 ul li a {
    color: #000
}

.bt-breadcrumb0 ul li i {
    color: #d2d2d2;
    margin-right: 7px
}

.met_pager {
    margin: auto;
    text-align: center
}

.met_pager ul {
    display: inline-block;
    margin-bottom: 0
}

.met_pager ul li {
    float: left;
    font-size: .875rem
}

.met_pager ul li a, .met_pager ul li span {
    border: 1px solid #e4eaec;
    text-align: center;
    padding: 9px 15px
}

.met_pager ul li .disabled {
    color: #ccd5db
}

.met_pager ul li .current {
    background: #305cc4;
    cursor: default;
    color: #fff
}

.met_pager ul li .tcdNumber {
    color: #76838f
}

.met_pager ul li .tcdNumber:hover {
    background: #f0f0f0
}

.pagein {
    width: 100%;
    padding: 20px 0;
    overflow: hidden
}

.pagein a {
    max-width: 45%;
    border: 1px solid rgba(0, 0, 0, .2);
    font-size: .75rem;
    color: #000;
    padding: 8px 15px;
    border-radius: 5px;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    -webkit-transition: .2s;
    transition: .2s
}

.pagein a:hover {
    background: #f06000;
    color: #fff;
    -webkit-transform: .2s;
    transform: .2s
}

.bt-paging {
    overflow: hidden
}

.bt-paging a .left {
    float: left
}

.bt-paging a .right {
    float: right
}

.bt-paging a div {
    display: inline-block;
    max-width: 47%;
    padding: .5rem 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 1px solid #e4eaec;
    border-radius: 3%;
    color: #333;
    font-size: .875rem
}

.bt-paging a:hover div {
    color: #305cc4
}

.side {
    padding: 20px;
    border-bottom: 1px solid #f0f2f5
}

.side .topbor {
    border-top: 1px solid #f0f2f5;
    margin-top: 20px;
    padding-top: 20px;
    margin-bottom: 0
}

.side form {
    position: relative;
    font-size: .875rem
}

.side form button {
    background: none;
    border: none;
    position: absolute;
    z-index: 99;
    right: 0;
    height: 34px;
    padding: 0 15px
}

.side form input {
    color: #757575;
    border: 1px solid #e4eaec;
    background-color: #fff;
    border-radius: 200px;
    position: relative;
    padding: 5px 40px 5px 20px;
    width: 100%;
    height: 34px
}

.side .titleset li a {
    color: #333;
    font-size: 1rem;
    line-height: 30px
}

.side .titleset li .active {
    color: #305cc4
}

.side .recommend {
    width: 100%
}

.side .recommend h3 {
    font-size: 1rem
}

.side .recommend ul li {
    border: 1px solid #f0f2f5;
    padding: .625rem 1rem
}

.side .recommend ul li a {
    font-size: .875rem;
    color: #333
}

.side .recommend ul li a:hover {
    color: #305cc4
}

@media (max-width: 767px) {
    .side {
        padding: 0;
        margin-top: 30px
    }

    .side .recommend ul li {
        border: 1px solid #f0f2f5;
        padding: .5rem 1rem
    }
}

.bt-about-mail {
    padding: 70px 0
}

.bt-product-mail {
    padding: 50px 0 70px
}

.bt-product-mail .bt-product-list {
    font-size: 0;
    margin-bottom: 30px
}

.bt-product-mail .bt-product-list li {
    width: 25%;
    padding: .5375rem;
    display: inline-block
}

.bt-product-mail .bt-product-list li .card {
    border-radius: 0;
    border: 0;
    overflow: hidden
}

.bt-product-mail .bt-product-list li .card .card-img-top {
    border-radius: 0;
    -webkit-transition: .3s;
    transition: .3s
}

.bt-product-mail .bt-product-list li .card .card-body {
    padding: 15px 5%;
    text-align: center;
    position: relative
}

.bt-product-mail .bt-product-list li .card .card-body span {
    font-size: .875rem;
    margin-bottom: 0;
    color: #333;
    text-align: center;
    position: relative;
    -webkit-transition: .3s;
    transition: .3s;
    z-index: 90
}

.bt-product-mail .bt-product-list li .card .card-body i {
    background: #305cc4;
    width: 100%;
    height: 0%;
    position: absolute;
    top: auto;
    bottom: 0;
    left: 0;
    -webkit-transition: .3s;
    transition: .3s;
    z-index: 10
}

.bt-product-mail .bt-product-list li .card:hover .card-body span {
    color: #fff
}

.bt-product-mail .bt-product-list li .card:hover .card-body i {
    height: 100%;
    top: 0;
    bottom: auto
}

.bt-product-mail .bt-product-list li .card:hover .card-img-top {
    -webkit-transform: scale(1.05);
    transform: scale(1.05)
}

@media (max-width: 992px) {
    .bt-product-mail .bt-product-list li {
        width: 50%
    }
}

@media (max-width: 576px) {
    .bt-product-mail .bt-product-list li {
        width: 100%
    }
}

.bt-news-mail {
    margin-bottom: 70px
}

.bt-news-mail .bt-news-list {
    margin: 30px 0 50px
}

.bt-news-mail .bt-news-list li {
    border-bottom: 1px solid #333;
    padding: 30px 0
}

.bt-news-mail .bt-news-list li h4 {
    font-size: 1.375rem
}

.bt-news-mail .bt-news-list li h4 a {
    color: #333
}

.bt-news-mail .bt-news-list li h4 a:hover {
    color: #305cc4
}

.bt-news-mail .bt-news-list li p {
    font-size: .8125rem;
    color: #333;
    margin-bottom: 0
}

.bt-news-mail .bt-news-list li span {
    margin: 0 3px;
    font-size: .875rem;
    color: gray
}

.bt-news-mail .bt-news-list li span:first-child {
    font-size: 1.375rem
}

.bt-news-mail .bt-news-list li .txt {
    margin: 15px 0
}

.bt-news-mail .bt-news-list li .txt .left {
    width: 75%;
    float: left
}

.bt-news-mail .bt-news-list li .more {
    float: right;
    padding: 8px 40px;
    font-size: .875rem;
    border: 1px solid #333;
    color: #333;
    -webkit-transition: .3s;
    transition: .3s
}

.bt-news-mail .bt-news-list li .more:hover {
    background: #305cc4;
    color: #fff
}

@media (max-width: 992px) {
    .bt-news-mail .bt-news-list li .txt .left {
        width: 100%
    }

    .bt-news-mail .bt-news-list li h4 {
        margin: 15px 0
    }
}

@media (max-width: 767px) {
    .bt-news-mail .bt-news-list li p {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden
    }
}

.bt-case-mail {
    margin: 70px 0
}

.bt-case-mail .title {
    text-align: center
}

.bt-case-mail .title h4 {
    font-size: 1.75rem;
    color: #305cc4;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative
}

.bt-case-mail .title h4:after {
    background: #ccc;
    height: 2px;
    width: 50px;
    display: block;
    content: "";
    position: absolute;
    left: 50%;
    bottom: -10px;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%)
}

.bt-case-mail .title h6 {
    font-size: .875rem;
    color: #333;
    margin-bottom: 0
}

.bt-case-mail .bt-case-list {
    padding: 30px;
    overflow: hidden
}

.bt-case-mail .bt-case-list li {
    width: 95%;
    float: left;
    border: 5px solid #e5e5e5;
    margin: 30px 0;
    position: relative;
    -webkit-transition: .65s;
    transition: .65s
}

.bt-case-mail .bt-case-list li .text {
    width: 50%;
    text-align: center;
    height: 100%;
    position: absolute;
    left: 0;
    right: inherit
}

.bt-case-mail .bt-case-list li .text div {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    width: 90%
}

.bt-case-mail .bt-case-list li .image {
    width: 40%;
    -webkit-transition: all .65s;
    transition: all .65s;
    float: right;
    position: relative;
    -webkit-transform: translate(58px, -24px);
    transform: translate(58px, -24px)
}

.bt-case-mail .bt-case-list li .image img {
    width: 100%
}

.bt-case-mail .bt-case-list li:nth-child(2n) {
    float: right
}

.bt-case-mail .bt-case-list li:nth-child(2n) .text {
    left: inherit;
    right: 0
}

.bt-case-mail .bt-case-list li:nth-child(2n) .image {
    float: left;
    -webkit-transform: translate(-58px, -24px);
    transform: translate(-58px, -24px)
}

.bt-case-mail .bt-case-list li:nth-child(2n):hover .image {
    right: auto;
    left: 0
}

.bt-case-mail .bt-case-list li .text div a h2 {
    font-size: 1.375rem;
    color: #000;
    margin-bottom: 0
}

.bt-case-mail .bt-case-list li .text div p {
    font-size: .875rem;
    margin: 20px 0;
    color: #3c3c3c;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 7;
    overflow: hidden
}

.bt-case-mail .bt-case-list li .text div .more {
    display: inline-block;
    width: 130px;
    height: 30px;
    line-height: 30px;
    color: #305cc4;
    -webkit-box-shadow: 0 0 10px rgba(15, 5, 10, .15);
    box-shadow: 0 0 10px rgba(15, 5, 10, .15);
    position: relative;
    -webkit-transition: .5s ease-in .1s;
    transition: .5s ease-in .1s
}

.bt-case-mail .bt-case-list li .text div .more:hover {
    color: #fff
}

.bt-case-mail .bt-case-list li .text div .more:before {
    content: "";
    width: 0;
    height: 100%;
    background: #305cc4;
    position: absolute;
    left: 0;
    z-index: -1;
    -webkit-transition: .6s ease-in .1s;
    transition: .6s ease-in .1s
}

.bt-case-mail .bt-case-list li .text div .more:hover:before {
    width: 100%;
    -webkit-transition: .5s;
    transition: .5s
}

.bt-case-mail .bt-case-list li .text div .more > i {
    display: inline-block;
    width: 30px;
    height: 30px;
    float: right;
    font-size: 1.25rem;
    background: #305cc4;
    line-height: 30px;
    position: relative
}

.bt-case-mail .bt-case-list li .text div .more > i:before {
    content: "";
    position: absolute;
    top: 0;
    width: 0;
    background: #fff;
    height: 100%;
    display: block;
    -webkit-transition: .2s ease-in .2s;
    transition: .2s ease-in .2s
}

.bt-case-mail .bt-case-list li .text div .more:hover > i:before {
    width: 100%
}

.bt-case-mail .bt-case-list li .text div .more > i:after {
    content: "\F178";
    position: absolute;
    width: 100%;
    height: 100%;
    display: block;
    background: none;
    color: #fff;
    -webkit-transition: .2s ease-in .2s;
    transition: .2s ease-in .2s
}

.bt-case-mail .bt-case-list li .text div .more:hover > i:after {
    color: #305cc4
}

@media (max-width: 992px) and (min-width: 768px) {
    .bt-case-mail .bt-case-list li .text div a h2 {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis
    }
}

.bt-case-mail .bt-case-list li > i:after {
    border-right: 5px solid #305cc4;
    border-bottom: 5px solid #305cc4;
    right: -5px;
    bottom: -5px
}

.bt-case-mail .bt-case-list li > i:after, .bt-case-mail .bt-case-list li > i:before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    -webkit-transition: .65s ease;
    transition: .65s ease;
    visibility: visible;
    position: absolute
}

.bt-case-mail .bt-case-list li > i:before {
    border-top: 5px solid #305cc4;
    border-left: 5px solid #305cc4;
    left: -5px;
    top: -5px
}

.bt-case-mail .bt-case-list li:hover > i:after, .bt-case-mail .bt-case-list li:hover > i:before {
    width: 100.8%;
    height: 102.8%
}

.bt-case-mail .bt-case-list li:hover .image {
    -webkit-transform: translate(0);
    transform: translate(0)
}

.bt-case-mail .bt-case-list li:hover {
    -webkit-box-shadow: 0 0 16px rgba(12, 3, 6, .3);
    box-shadow: 0 0 16px rgba(12, 3, 6, .3)
}

@media (max-width: 1200px) {
    .bt-case-mail .bt-case-list li .text div p {
        -webkit-line-clamp: 2
    }
}

@media (max-width: 992px) {
    .bt-case-mail .bt-case-list li .image {
        width: 50%
    }
}

@media (max-width: 768px) {
    .bt-case-mail {
        margin: 30px 0
    }

    .bt-case-mail .bt-case-list {
        padding: 30px 0
    }

    .bt-case-mail .bt-case-list li {
        width: 100%;
        border: 0;
        -webkit-box-shadow: 5px 0 10px rgba(0, 0, 0, .2);
        box-shadow: 5px 0 10px rgba(0, 0, 0, .2);
        margin: 10px 0
    }

    .bt-case-mail .bt-case-list li > i:after, .bt-case-mail .bt-case-list li > i:before {
        border: 0
    }

    .bt-case-mail .bt-case-list li .image {
        width: 100%;
        -webkit-transform: translate(0);
        transform: translate(0)
    }

    .bt-case-mail .bt-case-list li .text {
        width: 100%;
        position: static
    }

    .bt-case-mail .bt-case-list li .text div {
        position: static;
        -webkit-transform: translate(0);
        transform: translate(0);
        margin: auto;
        overflow: hidden;
        padding-top: 10px
    }

    .bt-case-mail .bt-case-list li .text div .more {
        display: none
    }

    .bt-case-mail .bt-case-list li:nth-child(2n) {
        float: right
    }

    .bt-case-mail .bt-case-list li:nth-child(2n) .text {
        width: 100%;
        position: static
    }

    .bt-case-mail .bt-case-list li:nth-child(2n) .image {
        width: 100%
    }

    .bt-case-mail .bt-case-list li:nth-child(2n) .image, .bt-case-mail .bt-case-list li:nth-child(2n):hover .image {
        -webkit-transform: translate(0);
        transform: translate(0)
    }
}

.bt-shownews-mail {
    margin: 30px 0 70px
}

.bt-shownews-mail .title {
    padding: 20px;
    border-bottom: 1px solid #ddd
}

.bt-shownews-mail .title h1 {
    margin-bottom: 0;
    font-size: 1.75rem;
    line-height: 50px
}

.bt-shownews-mail .title p {
    margin-bottom: 0;
    font-size: 1rem;
    color: #666;
    line-height: 30px
}

.bt-shownews-mail .title p i, .bt-shownews-mail .title p span {
    padding-right: 10px
}

.bt-shownews-mail .text {
    padding: 30px;
    margin-bottom: 30px;
    border-bottom: 1px solid #ddd
}

@media (max-width: 767px) {
    .bt-shownews-mail {
        margin: 15px 0 30px
    }

    .bt-shownews-mail .title {
        padding: 10px 5px
    }

    .bt-shownews-mail .title h1 {
        font-size: 1.5rem;
        line-height: 30px
    }

    .bt-shownews-mail .title p {
        font-size: .875rem
    }

    .bt-shownews-mail .text {
        padding: 10px
    }
}

.bt-search-container {
    padding: 30px 0
}

.bt-search-container h2 {
    font-size: 2.25rem;
    margin: 10px 0;
    text-align: center
}

.bt-search-container .bt-search {
    padding-top: 30px
}

.bt-search-container .bt-search .search-head form {
    margin: 5px 0
}

.bt-search-container .bt-search .search-head form select {
    font-size: .875rem;
    width: 100%;
    border-radius: 3px;
    padding: .5rem 1rem;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    background: url("/tpl/btui017/original/download.png") no-repeat;
    right: 0;
    background-position: right 15px top 17px
}

.bt-search-container .bt-search .search-head form input {
    width: 100%;
    height: 40px;
    line-height: 40px;
    display: inline-block;
    border-radius: 0;
    border: 1px solid #ccc;
    background: #f3f7f9;
    border-radius: 30px;
    float: left;
    font-size: .875rem;
    padding: 0 60px 0 20px
}

.bt-search-container .bt-search .search-head form button {
    background: none;
    color: #fff;
    padding: 0;
    border: 0;
    float: right;
    position: relative;
    top: -40px;
    padding: 0 10px;
    height: 40px
}

.bt-search-container .bt-search .search-head form button i {
    font-size: 1rem;
    color: #2a333c
}

.bt-search-container .bt-search .search-body ul li {
    border-bottom: 1px solid #e4eaec;
    padding: 10px
}

.bt-search-container .bt-search .search-body ul li a h4 {
    font-size: 1.125rem;
    margin-bottom: 10px;
    color: #222
}

.bt-search-container .bt-search .search-body ul li a:hover h4 {
    color: #305cc4
}

.bt-search-container .bt-search .search-body ul li a {
    font-size: .875rem
}

.bt-search-container .bt-search .search-body ul li p {
    font-size: .875rem;
    margin-bottom: 10px
}

.bt-search-container .bt-search .met_pager {
    margin-top: 50px
}

@media (max-width: 992px) {
    .bt-search-container h2 {
        margin: 0
    }
}

.bt-showproduct-mail {
    margin: 30px 0 70px
}

.bt-showproduct-mail .showproduct-head .productimg button {
    width: 30px;
    height: 50px;
    position: absolute;
    background: rgba(0, 0, 0, .5)
}

.bt-showproduct-mail .showproduct-head .productimg .slick-prev {
    left: 0
}

.bt-showproduct-mail .showproduct-head .productimg .slick-next {
    right: 0
}

.bt-showproduct-mail .showproduct-head .showproduct {
    padding: 30px
}

.bt-showproduct-mail .showproduct-head .showproduct h3 {
    font-size: 1.75rem;
    margin-bottom: 30px
}

.bt-showproduct-mail .showproduct-head .showproduct p {
    margin-bottom: 5px;
    font-size: .875rem
}

.bt-showproduct-mail .showproduct-body {
    padding-top: 30px
}

.bt-showproduct-mail .showproduct-body .article .tiitle a {
    border-bottom: 1px solid #305cc4;
    font-size: 1.25rem;
    padding: 10px
}

.bt-showproduct-mail .showproduct-body .article .bt-editor {
    border-top: 1px solid #666;
    border-bottom: 1px solid #666;
    padding: 20px;
    display: inline-block;
    margin: 9px 0 30px
}

.bt-showproduct-mail .showproduct-body .recommend {
    padding-left: 60px
}

.bt-showproduct-mail .showproduct-body .recommend h4 {
    font-size: 1.25rem;
    padding: 10px;
    margin-bottom: 0
}

.bt-showproduct-mail .showproduct-body .recommend .txt {
    color: 0
}

.bt-showproduct-mail .showproduct-body .recommend .row div {
    text-align: center;
    margin-bottom: 15px
}

.bt-showproduct-mail .showproduct-body .recommend .row div img {
    width: 100%
}

.bt-showproduct-mail .showproduct-body .recommend .row div .txt {
    color: #000
}

.bt-showproduct-mail .showproduct-head .productimg .slick-next:before, .bt-showproduct-mail .showproduct-head .productimg .slick-prev:before {
    content: ""
}

.bt-showproduct-mail .showproduct-head .productimg .slick-prev {
    background: url(/tpl/btui017/original/prev-ico.png)
}

.bt-showproduct-mail .showproduct-head .productimg .slick-next {
    background: url(/tpl/btui017/original/next-ico.png)
}

.bt-showproduct-mail .showproduct-head .productimg .bt-showcaseimg-list .slick-slide .lg-item-box img {
    width: 70%;
    margin: auto
}

.bt-showproduct-mail .productimg .slick-dotted {
    padding-bottom: 45px
}

@media (max-width: 992px) {
    .bt-showproduct-mail {
        margin: 0 15px
    }

    .bt-showproduct-mail .showproduct-body .article, .bt-showproduct-mail .showproduct-head .productimg {
        padding: 0
    }

    .bt-showproduct-mail .showproduct-head .showproduct {
        padding: 15px 0
    }

    .bt-showproduct-mail .showproduct-head .showproduct h3 {
        font-size: 1.5rem;
        margin-bottom: 15px
    }

    .bt-showproduct-mail .showproduct-body {
        padding-top: 0
    }

    .bt-showproduct-mail .showproduct-body .article .bt-editor {
        padding: 15px 0
    }

    .bt-showproduct-mail .showproduct-body .recommend {
        padding: 30px 0
    }
}

.bt-showcase-mail {
    margin: 30px 0 70px
}

.bt-showcase-mail .title {
    padding: 20px;
    border-bottom: 1px solid #ddd
}

.bt-showcase-mail .title h1 {
    margin-bottom: 0;
    font-size: 1.75rem;
    line-height: 50px
}

.bt-showcase-mail .title p {
    margin-bottom: 0;
    font-size: 1rem;
    color: #666;
    line-height: 30px
}

.bt-showcase-mail .title p i, .bt-showcase-mail .title p span {
    padding-right: 10px
}

.bt-showcase-mail .image {
    margin: 30px 0;
    display: inline-block;
    width: 100%
}

.bt-showcase-mail .image .slick-dotted {
    padding-bottom: 45px
}

.bt-showcase-mail .text {
    padding: 30px;
    margin-bottom: 30px;
    border-bottom: 1px solid #ddd;
    padding-top: 5px
}

.bt-showcase-mail .image .bt-showcaseimg-list {
    width: 50%;
    margin: auto
}

.bt-showcase-mail .image .slick-next:before, .bt-showcase-mail .image .slick-prev:before {
    display: none
}

@media (max-width: 767px) {
    .bt-showcase-mail {
        margin: 15px 0 30px
    }

    .bt-showcase-mail .title {
        padding: 10px 5px
    }

    .bt-showcase-mail .title h1 {
        font-size: 1.5rem;
        line-height: 30px
    }

    .bt-showcase-mail .title p {
        font-size: .875rem
    }

    .bt-showcase-mail .text {
        padding: 10px;
        padding-top: 5px
    }

    .bt-showcase-mail .image .bt-showcaseimg-list {
        width: 90%
    }
}

#bt-imgs-slick .slick-slide {
    width: 100%
}

#bt-imgs-slick .slick-slide:first-child {
    display: block
}

.bt-showcaseimg-list img {
    width: 100%
}

.bt-showcaseimg-list button {
    z-index: 9
}

.bt-showcaseimg-list .slick-prev {
    opacity: .8;
    left: 30px
}

.bt-showcaseimg-list .slick-prev:before {
    font-size: 2rem
}

.bt-showcaseimg-list .slick-prev:hover {
    opacity: 1
}

.bt-showcaseimg-list .slick-next {
    opacity: .8;
    right: 30px
}

.bt-showcaseimg-list .slick-next:before {
    font-size: 2rem
}

.bt-showcaseimg-list .slick-next:hover {
    opacity: 1
}

.bt-showcaseimg-list .slick-dots li {
    width: auto;
    height: auto
}

.bt-showcaseimg-list .slick-dots li img {
    width: 80px;
    height: 60px;
    border: 2px solid #ddd;
    opacity: .7
}

.bt-showcaseimg-list .slick-dots .slick-active img {
    opacity: 1
}

@media (max-width: 767px) {
    .bt-showcase-mail .image .slick-dotted {
        padding-bottom: 30px
    }

    .bt-showcaseimg-list .slick-dots li img {
        width: 60px;
        height: 45px;
        border: 2px solid #ddd;
        opacity: .7
    }
}