ul,
li,
p {
    margin: 0;
    padding: 0;
    list-style: none;
}
a {
    text-decoration: none;
}
.content-text {
    line-height: 28px;
}
.banner {
    height: calc(100vh/2 + 100px);
}

/* flex start */
.flex {
    display: flex;
}
.space-between {
    justify-content: space-between;
}
.space-around {
    justify-content: space-around;
}
.justify-content-center {
    justify-content: center;
}
.align-items-center {
    align-items: center;
}
/* flex end */

.header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 74px;
    z-index: 999;
    color: #fff;
}
/* .header:hover {
    background-color: #fff;
}
.header:hover {
    color: #000;
}  */
/* .header:hover .company {
    background-image: url('../images/首页/active-company-icon.png');
} */
.header .content-width {
    height: 100%;
}
.header .company {
    width: 200px;
    height: 46px;
    background-size: 100% 100%;
}
.header .nav {
}
.header .nav li {
    position: relative;
    margin-left: 72px;
    padding: 10px;
    cursor: pointer;
}
.header .nav li::before {
    position: absolute;
    left: 0;
    bottom: 0;
    content: "";
    width: 100%;
    height: 0;
    border-top: 3px solid transparent;
}
.header .nav li:hover::before,
.active-header .active-nav::before {
    border-top-color: #00A0E9 !important;
}
.header .nav li a {
    display: inline-block;
    height: 100%;
    width: 100%;
    color: #fff;
}
.active-header {
    background-color: #fff;
    box-shadow: 0 3px 9px 0px #bbbbbb91;
}
.active-header li a {
    color: #000 !important;
}
.normal-header {
    background-color: transparent;
    color: #fff;
}
.active-header .company {
    background-image: url('../images/首页/active-company-icon.png');
}
.normal-header .company {
    background-image: url('../images/首页/company-icon.png');
}
.content-width {
    width: 1200px;
    margin: 0 auto;
}

.card {
    border-radius: 6px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    overflow: hidden;
}
.card:hover {
    box-shadow: 0 3px 35px rgba(0, 64, 119, 0.6);
}

.float-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 46px;
    height: 46px;
    background: #00a0e9;
    z-index: 999;
    border-radius: 50%;
    color: #fff;
    text-align: center;
    line-height: 46px;
    cursor: pointer;
}
.float-btn:hover {
    background-color: #0087C5;
}
.footer {
    color: #fff;
    background-color: #101010;
}
.footer .footer-nav {
    margin-left: -90px;
    padding: 40px 0;
    font-size: 18px;
    font-weight: 400;
}
.footer .footer-nav li {
    margin-left: 116px;
}
.footer .footer-nav li a {
    color: #fff;
    text-decoration: none;
}
.footer .footer-nav li a:hover {
    color: #00a0e9;
}
.footer .cross-line {
    margin: 0 auto;
    height: 0;
    border-top: 1px solid #333;
}
.footer .link {
    padding: 30px 0;
}
.footer .link li {
    margin-left: 50px;
}
.footer .link .icon {
    color: #999999;
}
.footer .link .label {
    /* margin-left: 10px; */
    font-size: 14px;
}
.footer .copy-right {
    padding: 17px 0;
    text-align: center;
    background-color: #252525;
    color: #999999;
}

/* 产品及解决方案 start */
.production-server .content-box .content {
    width: 275px;
    margin-right: 20px;
    flex-grow: 0;
    flex-shrink: 0;
    color: #999;
}
.production-server .content-box img {
    width: calc(100% - 295px);
    height: 100%;
}
.production-server {
    flex-wrap: wrap;
}
.production-server .card {
    width: calc(100%/2 - 75px);
    height: 220px;
    background-color: #fff;
    flex-grow: 0;
    flex-shrink: 0;
}
.production-server {
    padding-bottom: 88px;
}
.production-server .card:nth-child(even) {
    margin-left: 50px;
}
.production-server .card {
    margin-top: 50px;
    height: 260px;
    padding: 22px 25px;
}
.production-server .card .title {
    font-size: 18px;
    color: #333;
    margin-bottom: 26px;
    font-weight: bold;
}
/* 产品及解决方案 end */

/* 荣誉证书 start */
.honor {
    background-color: #F2F5FA;
    padding-bottom: 110px;
}
/* 荣誉证书 end */

/* 成功案例 start */
.case .Case-content .card img {
    width: 100%;
    height: 221px;
}
.case .Case-content .card .item-name {
    margin: 20px;
    font-size: 18px;
    font-weight: bold;
}
.case .Case-content .card .item-content {
    margin-left: 20px;
    margin-right: 20px;
    color: #999;
}
/* 成功案例 end */