/* menu */
a {
    text-decoration: none;
    color: inherit;
}

a, button, input, textarea {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -moz-transition: all .3s ease;
    -webkit-transition: all .3s ease;
    transition: all .3s ease;
}

a:active, a:hover {
    outline: none;
}
.transition {
    -moz-transition: all .3s ease;
    -webkit-transition: all .3s ease;
    transition: all .3s ease;
}

.img-block {
    margin: 0 auto;
    display: block;
}

.img-block img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

nav .menu-block {
    position: fixed;
    left: 0;
    top: 60px;
    z-index: 100;
    width: 100vw;
    height: calc(100% - 90px);
    overflow-y: auto;
    opacity: 0;
    display: none;
}

nav .menu-btn-block {
    position: absolute;
    height: 50px;
    width: 50px;
    right: 0;
    top: 0;
    z-index: 101;overflow:hidden;
}

nav .menu-button {
    position: absolute;
    z-index: 100;
    background: none;
    border: none;
    outline: none;
    width: 50px;
    height: 50px;
    padding: 0;
    backface-visibility: hidden;
}

nav .menu-button img {
    display: block;
    max-width: 100%;
}

nav .menu-btn-block .menu-close {
    transform: translateX(100%);
    opacity: 0;
}

nav .menu-btn-block.cur .menu-btn {
    transform: translateX(100%);
    opacity: 0;
}

nav .menu-btn-block.cur .menu-close {
    transform: none;
    opacity: 1;
}

nav .menu-bg {
    position: fixed;
    width: 100vw;
    height: 100vh;
    left: 0;
    top: 0;
    display: none;
    background-color: #262626;
    z-index: 100;
}

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

nav p {
    margin: 0;
}

nav .menu-level-1-block {
    overflow: hidden;
    background-color: #161719;
}

nav .menu-level-1-a {
    display: block;
    border-bottom: 1px solid #4D4D4F;
    padding:10px 20px;
    font-size: 16px;
    color: #fff;
    position: relative;
}

nav .menu-level-1-tab:after, nav .menu-level-2-a.accordion-tab:after {
    transition: transform .3s ease;
    content: url(/m/images/menu-down.svg);
    position: absolute;
    right: 10px;
    top: 10px;
    transform: none;
}

nav .menu-level-1-a.cur{
    color: #ff6a00;
}

nav .menu-level-1-a.cur:after, nav .menu-level-2-a.cur.accordion-tab:after {
    transform: rotateZ(-180deg);
}

nav .menu-level-2-block {
    background-color: #202123;
}
nav .menu-industry .menu-level-2-block {
    background-image:url(../images/menu-industry-bg.png);
    border-bottom: 1px solid #4D4D4F;
    padding: 10px 20px 0 20px;
}
nav .menu-level-2-a {
    display: block;
    border-bottom: 1px solid #4D4D4F;
    padding:10px 10px 10px 20px;
    font-size: 14px;
    color: #cacaca;
    position: relative;
}

nav .menu-level-2-a.cur {
    color: #ff6a00;
}

nav .menu-level-3-a {
    display: block;
    font-size: 21px;
    color: #cacaca;
    position: relative;
}

/*产品菜单*/

nav .menu-product .menu-level-2-block {
    padding: 20px 0 0px;
}

nav .menu-product .menu-level-2-a {
    font-size: 14px;
    padding: 0 0 0 10px;
    margin: 0 10px 10px 20px;
    border-bottom: none;
    color: #fff;
}

nav .menu-product .menu-level-2-a:before {
    content: "";
    position: absolute;
    width: 2px;
    height: 18px;
    background-color: #ff6a00;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

nav .menu-product .menu-level-3-block {
    padding: 0 20px 10px 30px;
}

nav .menu-product .menu-level-3 {
    display: inline-block;
    margin: 0 10px 10px 0;
}


nav .menu-product .menu-level-3-a {
    padding: 0;
    font-size: 14px;
    line-height: 20px;
    height: auto;
}

/*带图标菜单项*/

nav .menu-icon-block {
    padding: 0 40px;
}

nav .menu-icon-block > li {
    display: inline-block;
}

nav .menu-icon-block .menu-icon {
    box-sizing: border-box;
    width: 66px;
    height: 66px;
    margin: 0 auto;
    border: 2px solid #fff;
    border-radius: 50%;
}

nav .menu-icon-block .menu-icon img {
    display: block;
    margin: 0 auto;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}

/*行业菜单*/

nav .menu-industry .menu-level-2 {
    display: inline-block;
    margin: 10px 20px 20px 0;
}

nav .menu-industry .menu-level-2-a {
    display: inline-block;
    border: none;
    padding: 0;
}

/*案例分享菜单*/

nav .menu-case .menu-icon-block > li {
    margin-bottom: 30px;
}

nav .menu-case .menu-level-2-a {
    padding: 0;
    font-size: 22px;
    line-height: 40px;
    height: auto;
    border-bottom: none;
}

nav .menu-case .menu-level-2-block {
    padding: 50px 20px 20px;
}

/**/

.load-more-btn {
    width: 200px;
    height: 50px;
    line-height: 46px;
    border: 2px solid #00a0e9;
    text-align: center;
    color: #00a0e9;
    font-size: 24px;
    margin: 0 auto 40px;
}

/**/

.back-top {
    position: fixed;
    right: 10px;
    bottom: 110px;
    width: 90px;
    height: 90px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    box-sizing: border-box;
    padding-top: 16px;
    z-index: 99;
}

.back-top .img-block img {
    height: 20px;
}

.back-top-p {
    margin: 0;
    font-size: 18px;
    color: #fff;
    margin-top: 6px;
}

/*广告位通用*/

.gg {
    position: relative;
    height: 100%;
}

.gg .swiper-container {
    position: relative;
    overflow: hidden;
    height: 100%;
}

.gg .swiper-slide {
    overflow: hidden;
}

.gg .swiper-slide img {
    width: auto;
    height: 100%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.gg .swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet {
    width: 30px;
    height: 10px;
    border-radius: 0;
    border-bottom: 2px solid #fff;
    background: none;
    margin: 0 6px;
}