.head {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    background: transparent;
    transition: all 0.3s;
    z-index: 9999;
}

.head.header-fixed,
.head.header-fixed-default {
    background: #ffffff;
    box-shadow: 0px 10px 20px 0px rgba(237, 242, 250, 0.6);
}

.head.header-fixed:after,
.head.header-fixed-default:after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    z-index: 999;
    box-shadow: 0px 10px 20px 0px rgba(237, 242, 250, 0.6);
}

.head .header-content {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
}

.head .header-logo {
    width: 100px;
    height: 32px;
    display: inline-block;
    vertical-align: middle;
}

.head .header-logo img {
    width: 100%;
    height: 100%;
}

.head .header-title {
    display: inline-block;
    width: calc(100% - 124px);
    text-align: center;
    height: 60px;
    vertical-align: middle;
    padding-top: 10px;
}

.head .header-title .header-nav {
    height: 60px;
}

.head .header-title .header-nav-ul {
    display: inline-block;
    vertical-align: top;
    text-align: left;
    height: 60px;
    padding-left: 20px;
}

.head .header-title .header-nav-li {
    float: left;
    font-size: 16px;
    color: #000;
    text-align: left;
    height: 50px;
    line-height: 20px;
    font-weight: 400;
    padding: 8px 15px 0;
    transition: all 0.3s;
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.head .header-title .header-nav-li > a {
    transition: all 0.3s;
}

.head .header-title .header-nav-li i {
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url(../images/index/fire.svg) center no-repeat;
    background-size: 100% 100%;
    margin-left: 3px;
    vertical-align: middle;
    margin-top: -3px;
}

.head .header-title .header-nav-li i.arrow-bottom {
    width: 9px;
    height: 9px;
    background: url(../images/arrow-bottom.svg) center no-repeat;
    background-size: 100% 100%;
}

.head .header-title .header-nav-li .nav-item {
    display: inline-block;
    line-height: 20px;
}

.head .header-title .header-nav-li .nav-item:after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    height: 2px;
    background: #a475ff;
    bottom: 5px;
    transition: all 0.3s;
}

.head .header-title .header-nav-li .nav-item.active {
    transform: scale(1.1);
    font-weight: 500;
}

.head .header-title .header-nav-li .nav-item.active:after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: #a475ff;
    bottom: 5px;
}

.head .header-title .header-nav-li.mb {
    display: none !important;
}

.head .header-title .nav-dropdown-box {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 30px 50px 50px 50px;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    z-index: 0;
    transition: all 0.01s 0.3s;
    cursor: auto;
    box-shadow: 0px 10px 20px 0px rgba(237, 242, 250, 0.6);
}

.head .header-title .nav-dropdown-box .nav-dropdown-item {
    display: inline-block;
    width: calc((100% - 165px) / 4);
    margin-right: 50px;
    vertical-align: text-top;
}

.head .header-title .nav-dropdown-box .nav-dropdown-item > h3 {
    font-size: 14px;
    color: #000000;
    letter-spacing: 0;
    line-height: 20px;
    font-weight: 500;
    padding-bottom: 10px;
    border-bottom: 1px solid #d6dbe3;
    margin-bottom: 10px;
}

.head .header-title .nav-dropdown-box .nav-dropdown-item > h3 i {
    width: 16px;
    height: 16px;
    margin-right: 10px;
    background-size: 100% 100% !important;
}

.head .header-title .nav-dropdown-box .nav-dropdown-item:last-child {
    margin-right: 0;
}

.head .header-title .nav-dropdown-box .nav-dropdown-item .nav-dropdown-items {
    padding: 10px 0;
    position: relative;
}

.head .header-title .nav-dropdown-box .nav-dropdown-item .nav-dropdown-items a {
    font-size: 14px;
    color: #000000;
    letter-spacing: 0;
    line-height: 20px;
    font-weight: 400;
    transition: all 0.3s;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items
a
i {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    background-size: 100% 100% !important;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items
a:hover {
    color: #1664ff;
}


.head .header-title .nav-dropdown-box .nav-dropdown-item .nav-dropdown-items p {
    font-size: 12px;
    color: #585656;
    letter-spacing: 0;
    line-height: 18px;
    font-weight: 400;
    margin-top: 5px;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items
p
img {
    display: inline-block;
    width: calc((100% - 10px) / 2);
    box-shadow: 0px 5px 10px 0px rgba(239, 240, 251, 0.5);
    transition: all 0.3s;
    margin-right: 5px;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items
p
img:hover {
    box-shadow: 0px 10px 15px 0px #eff0fb;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items
p
> a {
    font-size: 0;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items
p
a:last-child
img {
    margin-right: 0;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items
.new-icon {
    width: 24px;
    height: 14px;
    background: url(../images/index/new-icon.svg);
    background-size: 100% 100%;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items
.hot-icon {
    width: 24px;
    height: 14px;
    background: url(../images/index/hot-s-icon.svg);
    background-size: 100% 100%;
}


.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: -10px;
    z-index: -1;
    background: transparent;
    transition: all 0.3s;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item
.nav-dropdown-items:hover:after {
    background: #f3f6fe;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item.logo
.nav-dropdown-items {
    width: 50%;
    float: left;
    padding-bottom: 5px;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item.logo
.nav-dropdown-items
p
img {
    width: calc((100% - 5px) / 2);
    max-width: 100px;
    float: left;
    margin-bottom: 10px;
    background-image: linear-gradient(180deg, #f9faff 0%, #ffffff 100%);
    margin-left: 0 !important;
}

.head
.header-title
.nav-dropdown-box
.nav-dropdown-item.logo
.nav-dropdown-items
p
img:nth-child(even) {
    margin-left: 5px !important;
}


.head .header-title .nav-dropdown-box.product {
    border-top: 1px solid #d6dbe3;
}


.head
.header-title
.nav-dropdown-box.product
.l-product-left
+ .nav-dropdown-item {
    position: relative;
}

.head
.header-title
.nav-dropdown-box.product
.l-product-left
+ .nav-dropdown-item:after {
    content: "";
    top: 0;
    bottom: 0;
    position: absolute;
    left: -40px;
    width: 1px;
    background: #d6dbe3;
}

.head .header-title .nav-dropdown-box.product .nav-dropdown-item {
    width: calc((100% - 330px) / 3);
}

.head .header-title .nav-dropdown-box.product .nav-dropdown-item p {
    padding-left: 35px;
    margin-top: 0;
}

.about-nav {
    display: none;
}

@media (min-width: 1200px) {
    .about-nav {
        display: block;
    }
}

@media (max-width: 978px) {
    .about-nav {
        display: block;
    }
}

.head
.header-title
.nav-dropdown-box.product
.nav-dropdown-item
.nav-dropdown-items
a {
    display: inline-block;
    width: 100%;
}

.head .header-title .nav-dropdown-box.solution {
    border-top: 1px solid #d6dbe3;
}

.head .header-title .nav-dropdown-box.solution .nav-dropdown-item {
    width: calc((100% - 130px) / 3);
}

.head .header-title .nav-dropdown-box.solution .nav-dropdown-item p {
    padding-left: 35px;
}

.head
.header-title
.nav-dropdown-box.solution
.nav-dropdown-item
.nav-dropdown-items
a {
    display: inline-block;
    width: 100%;
}

.head .header-title .nav-dropdown-box.support {
    border-top: 1px solid #d6dbe3;
}

.head .header-title .nav-dropdown-box.support .nav-dropdown-item {
    width: calc((100% - 130px) / 3);
}

.head
.header-title
.nav-dropdown-box.support
.nav-dropdown-item
.nav-dropdown-items
a {
    display: inline-block;
    width: 100%;
}

.head .header-title .nav-dropdown-box.case {
    border-top: 1px solid #d6dbe3;
}

.head .header-title .nav-dropdown-box.case .l-content .nav-dropdown-item {
    width: calc(44% - 60px);
}

.head
.header-title
.nav-dropdown-box.case
.l-content
.nav-dropdown-item:last-child {
    width: calc(55% - 60px);
}

.head
.header-title
.nav-dropdown-box.case
.l-content
.nav-dropdown-item
> h3
a {
    transition: all 0.3s;
}

.head
.header-title
.nav-dropdown-box.case
.l-content
.nav-dropdown-item
> h3
.case-more {
    float: right;
}

.head
.header-title
.nav-dropdown-box.case
.l-content
.nav-dropdown-item
> h3
a:hover {
    color: #1664ff;
}

.head .header-title .nav-dropdown-box.about {
    width: 160px;
    left: 50%;
    margin-left: -80px;
    z-index: 1;
    padding: 30px;
    margin-top: 2px;
    border-top: 1px solid #d6dbe3;
    text-align: center;
}

.head .header-title .nav-dropdown-box.about .nav-dropdown-item {
    width: 100%;
}

.head .header-title .nav-dropdown-box.about .nav-dropdown-items:after {
    left: -30px;
    right: -30px;
}

.head .header-title .about-nav {
    position: relative;
}

.head .header-title .header-nav-li:hover {
    border-color: #1664ff;
}

.head .header-title .header-nav-li:hover .nav-dropdown-box {
    opacity: 1;
    visibility: visible;
    transition: all 0.3s;
    z-index: 1;
}

.head .header-btn {
    width: 104px;
    display: inline-block;
    vertical-align: middle;
    transform: translateY(-6px);
}

.head .header-btn a {
    margin-right: 0;
    font-size: 14px;
    line-height: 40px;
    height: 40px;
    padding: 0 20px;
    border: 1px solid #ffffff;
    border-radius: 20px;
    background: transparent;
    margin-top: 0;
}

.head .header-btn a:hover {
    background: #7c55ff;
    border-color: #7c55ff;
}

@media (max-width: 1439px) {
    .header .header-content {
        max-width: 1200px;
    }
}

@media (max-width: 1279px) {
    .header .header-content {
        padding-left: 3%;
        padding-right: 3%;
    }
}

@media (max-width: 767px) {
    .header .header-content {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 978px) {
    .head {
        padding-top: 10px;
        position: relative;
        position: fixed;
        left: 0;
        right: 0;
        top: 0;
        height: 44px;
        background: #ffffff !important;
        box-shadow: 0px 10px 20px 0px rgba(237, 242, 250, 0.6) !important;
    }

    .head .l-container {
        padding: 0;
    }

    .head .header-logo {
        width: 62px;
        height: 20px;
        background-size: 100% 100%;
        vertical-align: middle;
        margin-top: 0;
    }

    .head .header-title {
        width: 100%;
        height: 100vh;
        position: fixed;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        z-index: 999;
        background: rgba(0, 0, 0, 0.3);
        display: none;
    }

    .head .header-title .header-nav-ul {
        position: fixed;
        width: 80%;
        left: 20%;
        right: 0;
        top: 0;
        bottom: 0;
        height: 100vh;
        background: #f3f6fe;
        overflow: auto;
        padding-left: 0;
    }

    .head .header-title .header-nav-ul::after {
        content: "";
    }

    .head .header-title .header-nav-li {
        float: none;
        width: 100%;
        padding: 0;
        height: auto;
        border-bottom: none !important;
    }

    .head .header-title .header-nav-li .nav-item {
        width: 100%;
        line-height: 40px;
        background: #fff;
        padding-left: 20px;
        position: relative;
    }

    .head .header-title .header-nav-li .nav-item > span {
        display: inline-block;
        width: calc(100% + 20px);
        color: #000;
        transform: translateX(-20px);
        padding-left: 15px;
        border-bottom: 1px solid #d2d7df;
    }

    .head .header-title .header-nav-li .nav-item > .fold-icon {
        display: block !important;
        position: absolute !important;
        width: 12px !important;
        height: 12px !important;
        left: auto !important;
        bottom: 0;
        right: 15px;
        top: 15px;
        background: url(../images/index/ifold.svg) center no-repeat;
        background-size: cover;
        transform: rotateX(0) rotateZ(-90deg);
    }

    .head .header-title .header-nav-li .nav-item .arrow-bottom {
        display: none;
    }

    .head .header-title .header-nav-li .nav-item:after {
        display: none !important;
    }

    .head .header-title .nav-dropdown-box {
        position: static;
        opacity: 1;
        visibility: visible;
        padding: 0;
    }

    .head .header-title .nav-dropdown-box .l-container {
        width: calc(100% + 20px);
        transform: translateX(-20px);
        background: #fff;
    }

    .head .header-title .nav-dropdown-box .nav-dropdown-item {
        display: inline-block;
        width: 100% !important;
        margin-right: 0;
        vertical-align: super;
        display: none;
    }

    .head .header-title .nav-dropdown-box .nav-dropdown-item > h3 {
        margin-bottom: 0;
        font-weight: 400;
        line-height: 40px;
        padding-left: 30px;
        padding-bottom: 0;
        position: relative;
    }

    .head .header-title .nav-dropdown-box .nav-dropdown-item > h3 i {
        display: none;
    }

    .head .header-title .nav-dropdown-box .nav-dropdown-item > h3 > .fold-icon {
        display: block !important;
        position: absolute;
        width: 12px;
        height: 12px;
        left: auto;
        bottom: 0;
        right: 5px;
        top: 15px;
        background: url(../images/index/ifold.svg) center no-repeat;
        background-size: cover;
        transform: rotateX(0) rotateZ(-90deg);
    }

    .head .header-title .nav-dropdown-box .nav-dropdown-item .nav-dropdown-items {
        padding: 0;
        line-height: 0;
        display: none;
    }

    .head
    .header-title
    .nav-dropdown-box
    .nav-dropdown-item
    .nav-dropdown-items
    a {
        font-size: 14px;
        color: #333;
        letter-spacing: 0;
        line-height: 39px;
        font-weight: 400;
        transition: all 0.3s;
        display: inline-block;
        padding-left: 45px;
        border-bottom: 1px solid #d2d7df;
        width: 100%;
        position: relative;
    }

    .head
    .header-title
    .nav-dropdown-box
    .nav-dropdown-item
    .nav-dropdown-items
    a
    i {
        display: none;
    }

    .head
    .header-title
    .nav-dropdown-box
    .nav-dropdown-item
    .nav-dropdown-items
    a
    > .fold-icon {
        display: block !important;
        position: absolute;
        width: 12px;
        height: 12px;
        left: auto;
        bottom: 0;
        right: 10px;
        top: 15px;
        background: url(../images/index/ifold.svg) center no-repeat;
        background-size: cover;
        transform: rotateX(0) rotateZ(-90deg);
    }

    .head
    .header-title
    .nav-dropdown-box
    .nav-dropdown-item
    .nav-dropdown-items
    a:hover {
        color: #1664ff;
    }

    .head
    .header-title
    .nav-dropdown-box
    .nav-dropdown-item
    .nav-dropdown-items
    p {
        display: none;
    }

    .head
    .header-title
    .nav-dropdown-box
    .nav-dropdown-item
    .nav-dropdown-items
    .new-icon {
        display: none;
    }


    .head
    .header-title
    .nav-dropdown-box
    .nav-dropdown-item.logo
    .nav-dropdown-items {
        width: 100%;
        float: none;
        padding-bottom: 0;
    }

    .head
    .header-title
    .nav-dropdown-box
    .nav-dropdown-item.logo
    .nav-dropdown-items
    p
    img {
        display: none;
    }



    .head .header-title .nav-dropdown-box .r-content {
        display: none;
    }

    .head .header-title .nav-dropdown-box.product {
        border: none;
    }

    .head .header-title .nav-dropdown-box.solution {
        border: none;
    }

    .head .header-title .nav-dropdown-box.support {
        border: none;
    }

    .head .header-title .nav-dropdown-box.case {
        border: none;
    }

    .head .header-title .nav-dropdown-box.about {
        width: 100%;
        left: 0;
        margin-left: 0;
        z-index: 1;
        padding: 0;
        margin-top: 0;
        border: none;
    }

    .head .header-title .nav-dropdown-box.about .nav-dropdown-item {
        width: calc(100% + 20px);
        transform: translateX(-20px);
        background: #fff;
    }

    .head
    .header-title
    .nav-dropdown-box.about
    .nav-dropdown-item
    .nav-dropdown-items {
        display: block;
    }

    .head
    .header-title
    .nav-dropdown-box.about
    .nav-dropdown-item
    .nav-dropdown-items
    a {
        padding-left: 30px;
    }

    .head .header-title .fold-icon.active {
        transform: rotateX(0) rotateZ(0) !important;
    }
    .head .menu-icon i {
        width: 24px;
        height: 24px;
        position: absolute;
        right: 15px;
        top: 10px;
        background: url(../images/menu-icon.svg) center no-repeat;
    }
}