body {
    margin: 0;
    padding: 0;
    color: #676767;
    background: #f6f6f6;
    font: 14px/1.5 "微软正黑体", "Microsoft JhengHei", "Microsoft Yahei", "微软雅黑", "Hiragino Sans GB", "冬青黑体", tahoma, "times new roman", helvetica, arial;
}

* {
    outline: none;
    margin: 0;
    padding: 0
}

a {
    text-decoration: none;
    color: #676767
}

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

a.logo {
    font-size: 0
}

header.header {
    display: flex;
    flex-flow: column nowrap;
}

.header-top {
    background: white;
    padding: 0 calc(50% - 600px);
    box-sizing: border-box;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    width: 100%;
    align-items: center;
}

nav.nav {
    display: flex;
    flex-flow: row nowrap;
}

nav.nav a {
    font-size: 16px;
    padding: 0 20px;
}

#banner {
    width: 100%;
    height: calc(100vh - 160px);
}

#banner .swiper-slide {
    background: #000
}

#banner .swiper-slide span.item-bg {
    display: block;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: absolute;
    /* opacity: 0.8 */
}

#banner .swiper-slide-item {
    height: 100%;
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;
    position: relative;
    transition: all 10s;
}

#banner .ani-slide .swiper-slide-item {
    transform: scale(1.2)
}

.main {
    display: flex;
    flex-flow: column nowrap;
}

.pro {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    background: #fff;
    padding-bottom: 100px;
}

.panel-title {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    position: relative;
    margin: 50px 0
}

.panel-title b {
    font-size: 50px;
    color: #000;
    font-weight: bold;
}

.panel-title span {
    color: rgba(130, 130, 130, 1);
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
}

.panel-title span::before {
    display: block;
    position: absolute;
    bottom: 0;
    content: '↓';
    color: royalblue;
    font-size: 40px
}

.panel-title::before,
.panel-title::after {
    display: block;
    width: 100px;
    height: 60px;
    content: '';
    box-sizing: border-box;
    border: 3px solid #000
}

.panel-title::before {
    border-bottom-color: transparent;
    margin-bottom: 10px;
}

.panel-title::after {
    border-top-color: transparent;
    margin-top: 20px;
}


.pro-box {
    width: 1200px;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between
}

.pro-box {
    display: flex;
    flex-flow: row nowrap;
}

.pro-box a {
    display: flex;
    flex-flow: row nowrap;
    width: calc(50% - 20px);
    align-items: center;
    box-sizing: border-box;
    padding: 20px;
    border: 1px solid #f3f0f3;
    justify-content: space-between;
    font-size: 0;
    transition: all 0.5s;
}

.pro-box a .text {
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-around;
    align-self: stretch;
}

.pro-box a img {
    width: 250px;
    height: auto;
    margin-left: 20px
}

.pro-box a h3 {
    font-size: 20px;
    border-top: 2px solid #000;
    align-self: flex-start;
    padding-top: 10px;
}

.pro-box a p {
    font-size: 16px
}

.pro-box a span {
    border: 2px solid #000;
    color: #000;
    align-self: flex-start;
    font-size: 14px;
    padding: 10px 30px;
}

.pro-box a:hover {
    background: #f3f0f3
}

.about {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
    background: url(../images/about-bg.jpg);
    padding: 150px 0;
    position: relative;
}

.about::before,
.about::after {
    display: block;
    content: '';
    position: absolute;
}

.about::before {
    background: url(../images/fixed-bg-1.png) no-repeat;
    width: 496px;
    height: 693px;
    right: 0;
    top: -593px;
}

.about::after {
    background: url(../images/fixed-bg-2.png) no-repeat;
    width: 463px;
    height: 663px;
    left: 0;
    bottom: -563px
}

.about-box {
    background: rgba(76, 76, 76, .6);
    display: flex;
    flex-flow: column nowrap;
    width: 1200px;
    box-sizing: border-box;
    padding: 30px;
    align-items: center;
}

.about-box h2 {
    line-height: 1;
    margin-bottom: 30px;
    font-size: 30px
}

.about-box * {
    color: #fff
}

.case {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    margin-bottom: 100px
}

.case-box {
    width: 1200px;
    display: flex;
    flex-flow: row nowrap;
}

.case-box a {
    font-size: 0;
    display: flex;
    flex-flow: column nowrap;
    width: 20%;
    align-items: center;
    position: relative;
}

.case-box a * {
    transition: all 0.5s
}

.case-box a img {
    width: 100%;
    filter: grayscale(100%);
    /* position: relative; */
}

.case-box a .text {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    margin: 20px;
    height: 130px;
    justify-content: center;
}

.case-box a .text span {
    font-size: 12px
}

.case-box a .text b {
    font-size: 20px;
    color: #000
}

.case-box a:nth-child(odd) .text {
    order: 1
}

.case-box a:nth-child(odd) img {
    order: 2
}

.case-box a:hover img {
    transform: scale(1.05);
    filter: none
}

.case-box a:hover {
    z-index: 999
}

.case-box a:hover span {
    font-size: 50px;
    font-weight: bold
}

.item-panel {
    background: url(../images/index-4.jpg) no-repeat center;
    background-size: cover;
    width: 100%;
    height: 300px;
}

.item-box {
    width: 1200px;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    margin: 0 auto;
    align-items: center;
    height: 100%
}

.item-box div {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    position: relative;
    border: 1px solid rgb(105, 102, 103);
    width: 200px;
    height: 140px;
    box-sizing: border-box;
    justify-content: center;
}

.item-box div::before {
    position: absolute;
    display: block;
    content: '';
    height: 50%;
    width: 50%;
    border: 4px solid #c1c1c1;
    border-right-color: transparent;
    border-bottom-color: transparent;
    top: 0;
    left: 0
}

.item-box div span {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
}

.item-box div span::after {
    width: 50px;
    height: 4px;
    background: royalblue;
    display: block;
    content: '';
    margin: 10px 0
}

.news {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    background: white;
    padding-bottom: 100px;
}

.news-box {
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    width: 1200px;
}

.news-box a {
    width: 350px;
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    font-size: 0;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1)
}

.news-box a .text {
    padding: 20px;
    box-sizing: border-box;
    width: 100%;
    display: flex;
    flex-flow: column nowrap;
}

.news-box a h3 {
    font-size: 16px;
}

.news-box a p {
    font-size: 14px;
    margin: 20px 0
}

.news-box a span {
    font-size: 12px;
    align-self: flex-end
}

footer.footer {
    display: flex;
    flex-flow: column nowrap;
    background: rgb(33, 29, 30);
    align-items: center;
}

.footer-box {
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    width: 1200px;
    padding: 100px 0
}



.cus-box {
    flex-flow: column nowrap;
}

.bot-title {
    display: flex;
    flex-flow: column nowrap;
    margin-bottom: 20px
}

.bot-title span {
    font-size: 20px;
    color: #fff;
    font-weight: bold;
}

.cus-box p {
    color: #c1c1c1;
    line-height: 3
}

.mge form {
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-between;
    height: 100%
}

.mge form * {
    background: rgba(54, 52, 52, 1);
    border: none;
    border-radius: 4px;
    padding: 10px;
    font-size: 14px;
}

.mge form button {
    font-size: 20px;
    color: #fff;
    font-weight: bold;
}

.copyright {
    background: rgb(18, 15, 18);
    width: 100%;
    text-align: center;
    padding: 15px 0;
    color: #f1f1f1
}

.list-main {
    width: 1200px;
    display: flex;
    align-items: center;
    flex-flow: column nowrap;
    margin: 0 auto;
    padding-top: 50px;
}

.child-bar {
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    width: 100%;
    margin: 50px 0
}

.child-bar a {
    color: #fff;
    background-image: linear-gradient(#16b0dc, #1571fa);
    padding: 10px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    margin: 0 20px
}

.page {
    box-sizing: border-box;
    width: 100%;
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-end;
    padding: 20px 0
}

.page * {
    text-align: center;
    height: 28px;
    line-height: 28px;
    font-size: 12px;
    margin: 0 3px;
    padding: 0 10px;
    border: 1px solid #D5D5D5;
    background: #fff;
    transition: all 0.5s
}

.page span {
    color: #aaaaaa;
    background: #E5E5E5;
    border-color: #FFFFFF
}

.page a {
    color: #969696;
}

.page a:hover {
    background: #225DFF;
    color: #FFFFFF;
    border-color: #fff
}

.page span.active {
    background: #16b0dc;
    color: #FFFFFF;
    border-color: #fff
}

.cont-box {
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-flow: column wrap;
    padding: 30px;
    background: #fff;
    margin-bottom: 50px;
}

.cont-title h3 {
    font-size: 20px;
}

.cont-title span {
    font-size: 12px;
    font-family: "Gill Sans", "Gill Sans MT", "Myriad Pro", "DejaVu Sans Condensed", Helvetica, Arial, sans-serif
}

.cont-title {
    border-bottom: 1px solid #f0f2f5;
    padding-bottom: 30px;
    width: 100%
}

.cont-sub {
    width: 100%;
    padding: 30px 0;
    box-sizing: border-box;
    border-bottom: 1px solid #f0f2f5
}

.cont-page {
    padding-top: 30px;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
}

.cont-page * {
    border-radius: 40px;
    height: 40px;
    line-height: 40px;
    padding: 0 20px
}

.cont-page a {
    border: 1px solid #757575;
}

.cont-page a:hover {
    color: #fff;
    background: #676767
}

.cont-page span {
    background: #f8f8f8;
    color: #C1C1C1;
    cursor: pointer
}

.list-news-box {
    width: 1300px;
    justify-content: space-between;
    display: flex;
    flex-flow: row wrap
}

.list-news-box a {
    width: calc(50% - 20px);
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    margin-bottom: 20px
}

.list-news-box a img {
    height: 110px;
    flex: 1;
    margin-right: 20px;
}

.list-news-box a div.text {
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-between;
}

.list-news-box a div.text h3 {
    font-size: 20px;
    color: #000;
    font-weight: bold;
}

.loca {
    height: 300px;
    width: 100%;
    padding: 0 calc(50% - 600px) 30px;
    background: no-repeat center;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: flex-end
}

.loca span {
    font-size: 40px;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 1px rgba(0, 0, 0, .5);
}

.loca .tab {
    display: flex;
    flex-flow: row nowrap;
    color: #fff;
    font-size: 16px;
    text-shadow: 0 0 1px rgba(0, 0, 0, .5);
    background: rgba(0, 0, 0, 0.4);
    padding: 5px 10px
}

.loca .tab * {
    color: #fff;
    font-size: 16px;
    margin-left: 10px
}

.loca a::after {
    content: '>>';
    margin-left: 10px
}

.list-pro-box {
    width: 1300px;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between
}

.list-pro-box a {
    display: flex;
    flex-flow: column nowrap;
    margin-bottom: 20px;
    width: calc((1300px - 60px) / 4);
}

.list-pro-box a img {
    width: 100%;
}

.list-pro-box span {
    text-align: center;
    font-size: 14px;
    box-shadow: 1px 1px 4px rgba(0, 0, 0, .1);
    line-height: 2
}

.list-pro-box a:hover span {
    color: #16b0dc
}

.fixed-box {
    display: none
}