/*清除默认样式*/
* {
    margin: 0;
    padding: 0;
}
ul li {
    list-style: none;
}

a {
    text-decoration: none !important;
}
body {

}
/* 清除浮动 */

.clearfix:after,.clearfix:before{
    content: "";
    display: table;
}
.clearfix:after{
    clear: both;
}
.clearfix{
    *zoom: 1;
}
.language-show{
    display: flex;
    flex: 1;
    justify-content: flex-end;
    align-items: center;
    text-align: center;
    color: #fff;
}

.site-dropdown-menu{
    position: absolute;
    display: none;
}

.site-dropdown-menu.single>ul {
    background: #fff;
    -ms-box-shadow: 0 2px 4px 0 rgba(0,0,0,.05);
    -o-box-shadow: 0 2px 4px 0 rgba(0,0,0,.05);
    box-shadow: 0 2px 4px 0 rgba(0,0,0,.05);
    border: 1px solid #ccc;
}

.site-dropdown-menu.single li.nav-item {
    display: block;
    width: 156px;
    font-size: 12px;
    transition: all .3s;
    font-weight: bold;
}

.site-dropdown-menu.single li.nav-item>a {
    padding: 16px 32px;
    white-space: nowrap;
    display: inline-block;
    color: #337ab7;
    line-height: 1;
    height: auto;
    background: 0 0;
    text-align: center;
    width: 100%
}
.site-dropdown-menu.single li.nav-item>a:hover {
    background:#44a8f2;
    color: #fff;
}
.site-dropdown-menu.hover{
    display: block;
}

.language-show{
    width: 200px;
}
.dropbtn {
    background-color: #4CAF50;
    color: white;
    padding: 16px;
    font-size: 16px;
    border: none;
    cursor: pointer;
}

.dropdown {
    margin-right: 24px;
    position: relative;
    display: inline-block;
    z-index: 9999;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: rgb(34, 34, 34);
    width: 166px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);

}

.dropdown-content a {
    padding: 16px 32px;
    white-space: nowrap;
    display: inline-block;
    color: #fff;
    line-height: 1;
    height: auto;
    background: 0 0;
    text-align: center;
    width: 100%;
    font-size: 12px;
}

.dropdown-content a:hover {
    background-color: rgb(34, 34, 34);
    color:#337ab7;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover .dropbtn {
    background-color: #3e8e41;
}

.nav .box_ico .ico_font {
    margin-right: 25px !important;
    color: #fff;
}
.language-icon{
    right: 6px;
}
 .glyphicon {
    line-height: 40px;
    color: rgb(183, 183, 183);
}  
.nav .box_ico span:last-child {
    margin-right: 10px;
}
/* 下拉菜单 */
.down_menu {
    position: absolute;
    top: 40px;
    left: 0; 
    width: 100%;
    height: 560px;
    background-color: #fff;
    overflow: hidden;
    z-index: 999;
   display: none;   
} 
.down_menu2 {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 200px;
    background-color: #fff;
    z-index: 999;
    display: none; 
}
.down_menu2  .down_menu_box2 {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.down_menu2 .down_menu_ul2 {
    display: flex; 
    flex-wrap: wrap;
    margin-top: 15px;
    margin-left: 100px;  
    box-sizing: border-box;
    width: 100%;
    height: 100%;
}
.down_menu2 .down_menu_ul2>.item2 {
    flex: 1; 
    position: relative;
    margin-right: 100px;
    height: 30px;
    line-height: 40px;
    font-size: 0.2em;
    border-bottom: 1px solid #ccc;
    
} 
.down_menu2 .down_menu_ul2>.item2>a {
    display: inline-block;
    width: 100%;
    height: 100%;
    color: rgb(62, 159, 239);
}
.down_menu_ul2 .item2:nth-child(1):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -40px;
    width: 40px;
    height: 40px;
    background: url('../images/service01.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul2 .item2:nth-child(2):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -40px;
    width: 40px;
    height: 40px;
    background: url('../images/service02.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul2 .item2:nth-child(3):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -40px;
    width: 40px;
    height: 40px;
    background: url('../images/service03.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul2 .item2:nth-child(4):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -40px;
    width: 40px;
    height: 40px;
    background: url('../images/service04.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul_child2 {
    margin-left: 18px;
    height: 100%;
}
.down_menu_ul_child2 .item3 {
    list-style: disc;
    margin-left: -4px;
    height: 20px;
    line-height: 20px;
    white-space: nowrap;
    font-size: 0.1em;
}
.down_menu_ul_child2 .item3>a {
    display: inline-block;
    width: 100%;
    height: 100%;
    color: #000;
}
.down_menu_ul_child2 .item3>a:hover {
    color: rgb(62, 159, 239);
} 


.down_menu_box {
    width: 100%;
    height: 100%;
    margin: 0 auto;
}
.down_menu .down_menu_ul {
    display: flex; 
    flex-wrap: wrap;
    margin-top: 15px;
    margin-left: 100px;  
    box-sizing: border-box;
    width: 100%;
    height: 100%;
}
.down_menu .down_menu_ul>.item2 {
        flex: 1; 
        position: relative;
        margin-right: 100px;
        height: 30px;
        line-height: 40px;
        font-size: 0.2em;
        border-bottom: 1px solid #ccc;
        
} 
.down_menu .down_menu_ul>.item2>a {
    display: inline-block;
    width: 100%;
    height: 100%;
    color: rgb(62, 159, 239);
}
.down_menu_ul .item2:nth-child(1):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav-pictrue2.png') no-repeat;
     background-size: auto 40px;
}
.down_menu_ul .item2:nth-child(2):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav-plc2.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul .item2:nth-child(3):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav-switch2.png') no-repeat;
     background-size: auto 40px;
}
.down_menu_ul .item2:nth-child(4):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav-security2.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul .item2:nth-child(5):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav_smart.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul .item2:nth-child(6):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav_enterprise.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul .item2:nth-child(7):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav_lines.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul .item2:nth-child(8):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav_router.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul .item2:nth-child(9):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav_lines.png') no-repeat;
    background-size: auto 40px;
}
.down_menu_ul .item2:nth-child(10):before {
    content: '';
    position: absolute;
    top: 0px;
    left: -50px;
    width: 40px;
    height: 40px;
    background: url('../images/nav_smart.png') no-repeat;
    background-size: auto 40px;
}
 .down_menu_ul_child {
    margin-left: 18px;
    height: 100%;
}
.down_menu_ul_child .item3 {
    list-style: disc;
    margin-left: -4px;
    height: 20px;
    line-height: 20px;
    white-space: nowrap;
    font-size: 0.1em;
}
.down_menu_ul_child .item3>a {
    display: inline-block;
    width: 100%;
    height: 100%;
    color: #000;
}
.down_menu_ul_child .item3>a:hover {
    color: rgb(62, 159, 239);
} 

/*轮播图*/
.carousel-control {
    width: 7% !important;
}
.carousel-control .right .left {
    transform: translate(50%) !important;
}
/* 图片 */
.img-responsive {
    margin-top: 16px;
}
/* 照片 */
 .picture {
    display: flex;
    width: 100%;
    height: 100%;
    margin-top: 16px;
    box-sizing: border-box;
} 
 .pic {
     flex: 1; 
     position: relative;
    height: auto;
    padding: 0 !important;
    margin-left: 5px;
    margin-right: 5px;
    overflow: hidden;
    border: 1px solid #ccc;  
} 
@media screen and (max-width:768px) {
    .picture {
        flex-direction: column;
        align-content: center;
    }
} 
 .pic .item {
     display: block;
     width: 100%;
     height: 100%;
 }
.pic img {
    width: 100%;
    height: auto;
}
.text {
    padding: 12px;
    position: absolute;
    bottom: -20px;
    left: 0;
    height: 86px;
    width: 100%;
    font-size: 16px;
    color: rgb(0, 0, 0);
    background-color: #fff;
    transition: all 0.5s;
}
.text p {
    line-height: 12px;
}
.text p:nth-child(2){
    font-size: 1.0em;
}
.text .text_font{
    padding: 10px 0px;
    font-size: 1.0em;
    color: rgb(24, 160, 255);
}
.text:hover {
    transform: translateY(-20px);
    box-shadow: 0px 2px 2px;
}

/* 底部 */
.footer {
    margin-top: 60px;
    overflow: hidden;
    background-color: #fff;
}
.footer_text {
   padding: 20px 160px;
   font-size: 14px;
    width: 100%;
    height: 100%;
}
.footer_text dt {
    font-weight: normal;
    font-size: 1.0em;
    color: rgb(51, 51, 51);
}
.footer_text dd {
    margin-top: 10px;
    color: rgb(128, 128, 128);
    font-size: 1.0em;
}
.footer_text dd:hover{
    color: rgb(0, 144, 255);
}
.footer_bottom {
    padding: 0 180px;
    height: 30px;
    margin-top: -20px;
}
.footer_bottom ul {
    width: 100%;
    height: 100%;
    border-bottom: 1px solid #ccc;
}
.footer_bottom ul>li{
        float: left;
        width: 85px;
        height: 18px;
        line-height: 18px;
        text-align: center; 
        margin:5px 0px; 
        border-right: 1px solid rgb(0, 144, 255); 
} 
 .footer_bottom ul>li>a {
    display: block;
    font-size: 1.0em;
    color: rgb(0, 144, 255);
    width: 100%;
    height: 100%;
} 
 .footer_bottom ul li:first-child {
    margin-left: -16px;
} 
 .footer_bottom ul li:last-child {
    border-right: 1px solid transparent;
    margin-left: 20px; 
}
/* 版权 */
.copyright {
    padding: 10px 176px;
    width: 100%;
    height: 100px;
    word-spacing: 2px;
}
.copyright p {
    font-size: 1.0em;
    color: #979797;
}
.copyright img {
    width: 20px;
    margin-left: 6px;
}


@charset "UTF-8";

.gallery .gallery-item a:after,.gallery .gallery-item a:before,.promos ul:after,.promos ul:before {
    content: "";
    display: table
}

.gallery *,.promos,.promos * {
    box-sizing: border-box
}

.gallery .gallery-item a:after,.promos ul:after {
    clear: both;
    overflow: hidden
}

.containerIndex {
    width: auto
}

body {
    background-color: #eaeaea
}

.gallery {
    position: relative;
    margin-top: 60px;
    width: 100%;
    background-color: #ccc;
    font-family: "Noto Sans CJK SC","Source Han Sans CN","Microsoft YaHei";
    color: #424242
}

.gallery.carousel {
    padding-bottom: 75%
}

@media (min-width:641px) {
    .gallery.carousel {
        padding-bottom: 41.66667%
    }
}

.gallery.carousel .gallery-inner {
    position: absolute;
    overflow: hidden
}

.gallery.carousel .gallery-item {
    height: 100%
}

.gallery a {
    color: inherit
}

.gallery .gallery-inner {
    width: 100%;
    height: 100%
}

.gallery .gallery-slides {
    position: relative;
    width: 100%;
    height: 100%
}

.gallery .gallery-item {
    position: relative;
    width: 100%;
    padding-bottom: 75%
}

.gallery .gallery-item a {
    display: block
}

.gallery .gallery-item .gallery-item-wrapper {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    overflow: hidden
}

.gallery .gallery-item .video-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1
}

.gallery .gallery-item .gallery-item-picture,.gallery .gallery-item .gallery-item-video {
    display: block;
    position: absolute;
    left: 50%;
    height: 100%;
    -ms-transform: translateX(-50%);
    transform: translateX(-50%)
}

.gallery .gallery-item .gallery-item-content {
    z-index: 1
}

.gallery .gallery-item .gallery-item-title {
    font-size: 34px;
    font-size: calc(17px + (34 - 17) * (100vw - 320px)/ (640 - 320));
    line-height: 1em;
    font-weight: lighter
}

@media (min-width:641px) {
    .gallery .gallery-item {
        padding-bottom: 41.66667%
    }

    .gallery .gallery-item .gallery-item-picture,.gallery .gallery-item .gallery-item-video {
        position: static;
        margin-left: auto;
        width: 100%;
        height: auto;
        -ms-transform: translateX(0);
        transform: translateX(0)
    }

    .gallery .gallery-item .gallery-item-title {
        font-size: 24px;
        line-height: 1em
    }
}

@media (min-width:891px) {
    .gallery .gallery-item .gallery-item-title {
        font-size: 30px;
        line-height: 1em
    }
}

@media (min-width:1041px) {
    .gallery .gallery-item .gallery-item-title {
        font-size: 36px;
        line-height: 1em
    }
}

@media (min-width:1457px) {
    .gallery .gallery-item .gallery-item-title {
        font-size: 40px;
        line-height: 1em
    }
}

.gallery .gallery-item .gallery-item-desc {
    margin-top: 10px;
    font-size: 22px;
    font-size: calc(11px + (22 - 11) * (100vw - 320px)/ (640 - 320));
    line-height: 1em;
    font-weight: lighter
}

@media (min-width:641px) {
    .gallery .gallery-item .gallery-item-desc {
        font-size: 14px;
        line-height: 1em
    }
}

@media (min-width:891px) {
    .gallery .gallery-item .gallery-item-desc {
        font-size: 16px;
        line-height: 1em
    }
}

@media (min-width:1041px) {
    .gallery .gallery-item .gallery-item-desc {
        margin-top: 12px;
        font-size: 20px;
        line-height: 1em
    }
}

@media (min-width:1457px) {
    .gallery .gallery-item .gallery-item-desc {
        margin-top: 16px;
        font-size: 22px;
        line-height: 1em
    }
}

.gallery .gallery-item .gallery-item-links {
    display: none
}

@media (min-width:1041px) {
    .gallery .gallery-item .gallery-item-links {
        display: block;
        margin-top: 24px
    }
}

.gallery .gallery-item .gallery-item-links .gallery-item-link {
    display: inline-block;
    width: 100px;
    height: 26px;
    border-radius: 13px;
    font-size: 14px;
    line-height: 24px;
    text-align: center;
    transition: all .25s ease;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none
}

@media (min-width:1457px) {
    .gallery .gallery-item .gallery-item-links {
        margin-top: 30px
    }

    .gallery .gallery-item .gallery-item-links .gallery-item-link {
        height: 32px;
        border-radius: 16px;
        line-height: 30px
    }
}

.gallery .gallery-item .gallery-item-links .gallery-item-link:first-child {
    margin-right: 32px
}

.gallery .gallery-item.background-light .gallery-item-links .gallery-item-link {
    color: #424242;
    border: 1px solid #424242
}

.gallery .gallery-item.background-light .gallery-item-links .gallery-item-link:hover {
    background-color: #424242;
    color: #fff
}

.gallery .gallery-item.background-dark .gallery-item-desc,.gallery .gallery-item.background-dark .gallery-item-title {
    color: #fff
}

.gallery .gallery-item.background-dark .gallery-item-links .gallery-item-link {
    color: #fff;
    border: 1px solid #fff
}

.gallery .gallery-item.background-dark .gallery-item-links .gallery-item-link:hover {
    background-color: #fff;
    color: #424242
}

.gallery .align-bottom-center,.gallery .align-left-bottom,.gallery .align-left-middle,.gallery .align-left-top,.gallery .align-middle-center,.gallery .align-top-center {
    position: absolute;
    width: 100%;
    text-align: center
}

.gallery .align-top-center {
    top: 34px;
    top: calc(17px + (34 - 17) * (100vw - 320px)/ (890 - 320))
}

@media (min-width:1041px) {
    .gallery .align-top-center {
        top: 40px
    }
}

@media (min-width:1457px) {
    .gallery .align-top-center {
        top: 60px
    }
}

@media (min-width:1937px) and (max-width:2560px) {
    .gallery .align-top-center {
        top: 100px
    }
}

.gallery .align-middle-center {
    margin-top: -15px;
    top: 50%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%)
}

.gallery .align-bottom-center {
    bottom: 34px
}

@media (min-width:641px) {
    .gallery .align-bottom-center {
        bottom: 44px
    }
}

@media (min-width:1041px) {
    .gallery .align-middle-center {
        margin-top: -30px
    }

    .gallery .align-bottom-center {
        bottom: 56px
    }
}

@media (min-width:1457px) {
    .gallery .align-middle-center {
        margin-top: -45px
    }

    .gallery .align-bottom-center {
        bottom: 60px
    }
}

@media (min-width:1937px) and (max-width:2560px) {
    .gallery .align-middle-center {
        margin-top: -70px
    }

    .gallery .align-bottom-center {
        bottom: 100px
    }
}

.gallery .align-left-bottom {
    bottom: 34px
}

@media (min-width:641px) {
    .gallery .align-left-bottom {
        left: 44px;
        bottom: 44px;
        text-align: left
    }
}

@media (min-width:1041px) {
    .gallery .align-left-bottom {
        left: 56px;
        bottom: 56px
    }
}

@media (min-width:1457px) {
    .gallery .align-left-bottom {
        left: 80px;
        bottom: 60px
    }
}

@media (min-width:1937px) and (max-width:2560px) {
    .gallery .align-left-bottom {
        left: 120px;
        bottom: 100px
    }
}

.gallery .align-left-top {
    top: 34px
}

@media (min-width:641px) {
    .gallery .align-left-top {
        left: 44px;
        top: 44px;
        text-align: left
    }
}

@media (min-width:1041px) {
    .gallery .align-left-top {
        left: 56px;
        top: 56px
    }
}

@media (min-width:1457px) {
    .gallery .align-left-top {
        left: 80px;
        top: 60px
    }
}

@media (min-width:1937px) and (max-width:2560px) {
    .gallery .align-left-top {
        left: 120px;
        top: 100px
    }
}

.gallery .align-left-middle {
    top: 34px
}

@media (min-width:641px) {
    .gallery .align-left-middle {
        left: 44px;
        top: 44px;
        text-align: left
    }
}

@media (min-width:1041px) {
    .gallery .align-left-middle {
        left: 4%;
        top: 40%
    }
}

@media (min-width:1457px) {
    .gallery .align-left-middle {
        left: 4%;
        top: 40%
    }
}

@media (min-width:1937px) and (max-width:2560px) {
    .gallery .align-left-middle {
        left: 4%;
        top: 40%
    }
}

.gallery .gallery-dots {
    display: table;
    position: absolute;
    z-index: 99;
    bottom: calc(18px + (30 - 18) * (239.25234% - 1024px)/ (2560 - 1024));
    left: 50%;
    margin-left: 0;
    -ms-transform: translateX(-50%);
    transform: translateX(-50%)
}

.ie8 .gallery .gallery-dots {
    bottom: 18px
}

.gallery .gallery-dots li {
    display: inline-block;
    margin: 0 9px
}

.gallery .gallery-dots .gallery-dot {
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 6px;
    transition: all .25s ease;
    cursor: pointer
}

.gallery .gallery-dots.background-light .gallery-dot {
    border: 1px solid #424242;
    background-color: transparent
}

.gallery .gallery-dots.background-light .gallery-dot.current {
    background-color: #424242
}

.gallery .gallery-dots.background-dark .gallery-dot {
    border: 1px solid #fff;
    background-color: transparent
}

.gallery .gallery-dot1.background-dark .gallery-dot,.gallery .gallery-dot1.background-light .gallery-dot {
    border: 1px solid #ddd
}

.gallery .gallery-dots.background-dark .gallery-dot.current {
    background-color: #fff
}

.gallery .gallery-dot1.background-dark .gallery-dot.current,.gallery .gallery-dot1.background-light .gallery-dot.current {
    background-color: #ddd
}

.promos {
    width: 100%;
    padding: 6.25%;
    background-color:#f4f4f4;
}

.promos a {
    color: inherit
}

.promos .promo {
    position: relative;
    float: left;
    width: 100%
}

.promos .promo:not(:nth-child(1)) {
    margin-top: 16px
}

.promos .promo .promo-pic {
    position: relative;
    padding-bottom: 55.71429%;
    background-color: #ccc
}

.promos .promo .promo-pic img {
    display: block;
    position: absolute;
    width: 100%;
    height: 100%
}

.promos .promo .promo-info {
    padding: 4.64286% 3.92857% 6.42857%;
    background-color: #fff
}

.promos .promo .promo-info .promo-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
    margin-bottom: 3.48837%;
    font-size: 16px;
    font-size: calc(13px + (26 - 13) * (100vw - 320px)/ (640 - 320));
    line-height: 1em
}

.promos .promo .promo-info .promo-desc {
    display: inline-block;
    font-size: 14px;
    font-size: calc(11px + (22 - 11) * (100vw - 320px)/ (640 - 320));
    line-height: 1em
}

.promos .promo .promo-links {
    float: right;
    display: none;
    height: 14px;
    line-height: 14px;
    font-size: 14px
}

.promos .promo .promo-links .promo-link {
    color: #0090ff;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: pointer
}

@media (min-width:641px) {
    .promos {
        padding: calc(20px + (28 - 20) * (100% - 640px)/ (890 - 640))
    }

    .ie8 .promos {
        padding: 3.14607%
    }

    .promos .promo {
        width: 49.40048%;
        padding-bottom: calc(27.57794% + 16px + 14px + 4.79616%);
        background-color: #fff
    }

    .ie8 .promos .promo {
        margin: .59952% .59952% 0 0
    }

    .promos .promo:nth-child(2n) {
        margin-left: 1.19904%
    }

    .promos .promo:nth-child(2) {
        margin-top: 0
    }

    .promos .promo .promo-pic {
        padding-bottom: 55.82524%
    }

    .promos .promo .promo-inner {
        position: absolute;
        width: 100%;
        height: 100%;
        overflow: hidden
    }

    .promos .promo .promo-info {
        position: absolute;
        width: 100%;
        margin-top: 0;
        padding: 3.39806% 3.8835% 4.36893%;
        transition: all .25s ease
    }

    .promos .promo .promo-info .promo-title {
        margin-bottom: 8px;
        font-size: 16px
    }

    .promos .promo .promo-info .promo-desc {
        font-size: 14px
    }

    .promos .promo .promo-info .promo-links {
        display: inline-block
    }

    .promos .promo .promo-info .promo-link {
        position: relative
    }

    .promos .promo .promo-info .promo-link:after {
        content: "";
        position: absolute;
        top: -8px;
        right: -8px;
        bottom: -8px;
        left: -8px
    }

    .promos .promo .promo-info .promo-detail-link {
        display: none
    }
}

@media (min-width:891px) {
    .promos {
        padding: calc(28px + (32 - 28) * (100% - 1024px)/ (1024 - 890))
    }

    .ie8 .promos {
        padding: 3.125%
    }

    .promos .promo {
        padding-bottom: 35.83333%
    }

    .promos .promo:nth-child(2n) {
        margin-left: 1.04167%
    }

    .promos .promo .promo-pic {
        padding-bottom: 55.57895%
    }

    .promos .promo .promo-info {
        padding: 3.57895% 4.21053% 5.26316%
    }

    .promos .promo .promo-info .promo-links {
        display: block
    }
}

@media (min-width:1041px) {
    .promos {
        padding: calc(32px + (46 - 32) * (100% - 1024px)/ (1440 - 1024))
    }

    .ie8 .promos {
        padding: 3.19444%
    }

    .promos .promo {
        padding-bottom: calc(28.18991% + 20px + 14px + 3.26409% + 8px + ((12 - 8) * (100% - 435px)/ (591 - 435)/ 1348))
    }

    .promos .promo:nth-child(2n) {
        margin-left: 1.03858%
    }

    .promos .promo:hover .promo-info {
        margin-top: calc(-14px - 2.54873%)
    }

    .promos .promo:hover .promo-info .promo-links {
        opacity: 1;
        transition-delay: .1s
    }

    .promos .promo .promo-pic {
        padding-bottom: 56.97151%
    }

    .promos .promo .promo-info {
        padding: 2.54873% 5.69715%
    }

    .promos .promo .promo-info .promo-title {
        margin-bottom: calc(8px + (12 - 8) * (100% - 435px)/ (591 - 435));
        font-size: 20px
    }

    .promos .promo .promo-info .promo-desc {
        display: block
    }

    .promos .promo .promo-info .promo-links {
        float: none;
        margin-top: 4.39932%;
        opacity: 0;
        transition: opacity .2s ease
    }

    .promos .promo .promo-info .promo-detail-link {
        display: inline;
        margin-right: 4.73773%
    }
}

@media (min-width:1457px) {
    .promos {
        padding: calc(46px + (60 - 46) * (100% - 1440px)/ (1920 - 1440))
    }

    .ie8 .promos {
        padding: 3.125%
    }

    .promos .promo {
        padding-bottom: calc(28.11111% + 20px + 14px + 3.11111%)
    }

    .promos .promo:nth-child(2n) {
        margin-left: 1.11111%
    }

    .promos .promo:hover .promo-info {
        margin-top: calc(-14px - 2.11443%)
    }

    .promos .promo:hover .promo-info .promo-links {
        opacity: 1;
        transition-delay: .1s
    }

    .promos .promo .promo-pic {
        padding-bottom: 56.85393%
    }

    .promos .promo .promo-info {
        padding: 1.91011% 4.26966%
    }

    .promos .promo .promo-info .promo-title {
        margin-bottom: 12px;
        font-size: 20px
    }

    .promos .promo .promo-info .promo-desc {
        display: block
    }

    .promos .promo .promo-info .promo-links {
        float: none;
        margin-top: 3.23383%
    }

    .promos .promo .promo-info .promo-detail-link {
        display: inline;
        margin-right: 3.48259%
    }
}

@media (min-width:1937px) and (max-width:2560px) {
    .promos {
        padding: calc(60px + (80 - 60) * (100% - 1920px)/ (2560 - 1920))
    }

    .ie8 .promos {
        padding: 3.125%
    }

    .promos .promo {
        padding-bottom: 32.75%
    }

    .promos .promo:nth-child(2n) {
        margin-left: 1.16667%
    }

    .promos .promo:hover .promo-info {
        margin-top: calc(-14px - 2.87648%)
    }

    .promos .promo:hover .promo-info .promo-links {
        opacity: 1;
        transition-delay: .1s
    }

    .promos .promo .promo-pic {
        padding-bottom: 55.98651%
    }

    .promos .promo .promo-info {
        padding: 2.02361% 3.37268% 3.79427%
    }

    .promos .promo .promo-info .promo-title {
        font-size: 20px
    }

    .promos .promo .promo-info .promo-desc {
        display: block
    }

    .promos .promo .promo-info .promo-links {
        float: none;
        margin-top: 2.69815%
    }

    .promos .promo .promo-info .promo-detail-link {
        display: inline;
        margin-right: 2.36088%
    }
}

.body-main{
    margin-top: 50px;
    display: flex;
    justify-content: center;
}
.banner{
    margin-top: 50px;

}
.my-carousel-inner{
    display: flex;
    justify-content: center;
}

.index-links{
    border-bottom: 1px solid #ccc;line-height: 28px
}
.index-links .label{
    color: #00b7ee;
}
.index-links a{
    display: inline-block;
    margin: 4px 8px;
    color: #00b7ee;
}