/* 远盾网络专页样式 */

html {
    font-size: 0;
}

body {
    background-color: #fff;
    padding: 0;
}

header {
    background-color: rgba(27, 96, 194, .5);
    height: 71px;
    line-height: 71px;
    /* height: 107px;
    line-height: 107px; */
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 10;
}

.header {
    height: 71px;
    line-height: 71px;
}

h1 {
    height: 71px;
    display: inline-block;
    vertical-align: middle;
}

.header {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.header .yuandun-logo {
    vertical-align: middle;
    padding-right: 27px;
}

.header .phone {
    width: 25px;
    height: 25px;
    vertical-align: middle;
    padding-right: 14px;
    padding-left: 19px;
    border-left: 1px solid #fff;
}

.header .telphone-number {
    color: #fff;
    font-size: 25px;
    vertical-align: middle;
}

.header .sole-logo {
    vertical-align: middle;
    padding-right: 27px;
}

.main {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    box-sizing: border-box;
}

.main .main-big-img {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    margin: -1px;
}

.main .main-big-img img {
    width: 100%;
    height: auto;
}

.main .main-introduce {
    padding: 85px 0;
    width: 100%;
    max-width: 1920px;
    height: auto;
    max-height: 625px;
    background-image: url('/asset/images/yuandun/introduce.png');
    background-repeat: no-repeat;
    background-size: cover;
}

.main .main-introduce .main-introduce-desc {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.main .main-introduce .introduce-title {
    font-size: 35px;
    color: #3b3b3b;
    font-weight: 300;
    text-align: center;
}

.main .main-introduce .introduce-text {
    padding-top: 28px;
    padding-bottom: 52px;
    padding-left: 40px;
    padding-right: 40px;
    background: rgba(255, 255, 255, .6);
}

.main .main-introduce .introduce-txt {
    text-indent: 2em;
    font-size: 17px;
    color: #565656;
    line-height: 30px;
    padding-top: 20px;
}


/* 内容展示样式 */

.main-item {
    width: 100%;
    max-width: 1920px;
    color: #fff;
}

.main-item-title {
    font-size: 50px;
    background: url('/asset/images/yuandun/titleimg1.png');
    background-repeat: no-repeat;
    background-size: cover;
    padding: 76px 0;
    text-align: center;
}

.main-item .line {
    width: 52px;
    height: 4px;
    background: #FFAB09;
    margin: 0 auto;
    margin-top: 22px;
    margin-bottom: 53px;
}

.main-item .main-item-content .item-content-title {
    text-align: center;
    font-size: 38px;
    color: #3b3b3b;
    font-weight: 300;
    padding-top: 83px;
}

.main-item .item-content-title span {
    color: #FFAB09;
}

.main-item .main-item-content .item-content {
    width: 100%;
    max-width: 1920px;
    display: flex;
    justify-content: center;
    margin: 0 auto;
    padding-bottom: 99px;
}

.main-item-1 .main-item-content .item-content{
    max-width: 1200px;
    justify-content: space-between;
}

.main-item .main-item-content .item {
    position: relative;
    width: 281px;
    height: 355px;
    background-image: url('/asset/images/yuandun/itemcontainer.png');
    background-repeat: no-repeat;
    background-size: cover;
}

.main-item .main-item-content .item-img {
    position: absolute;
    right: 121px;
    left: 122px;
    top: 45px;
    z-index: 100;
}

.main-item-content .item-content .item-title {
    text-align: center;
    font-size: 18px;
    color: #0C56AE;
    font-weight: bold;
    padding-top: 160px;
}

.main-item-content .item-content .item-desc {
    font-size: 16px;
    color: #565656;
    font-weight: 400;
    padding: 26px;
}

.main-item-content .item2-content-bg {
    position: relative;
    margin-top: -50px;
    padding-top: 20px;
    /* height: 781px; */
    width: 100%;
    max-width: 1920px;
    min-width: 1200px;
    overflow: hidden;
}

.main-item-content .item2-content-bg .main-item-img {
    width: 100%;
    height: auto;
}

.main-item-content .item2-content-bg .item2-content2 {
    position: absolute;
    top: 15%;
    left: 0;
    right: 0;
    width: 100%;
    min-width: 1200px;
    margin: 0 auto;

}

.item2-content-bg .item2-content2 .item-content {
    padding-bottom: 0;
    display: flex;
    justify-content: center;
    width: 100%;
}

.main-item .main-item-content .item2 {
    position: relative;
    overflow: hidden;
    width: 30%;
    margin: 0 10px;
}

.main-item-content .item2:hover .item2-content {
    transform: translateY(-138px);
    transition: all .5s;
}

.main-item .item2 .item2-img {
    width: 100%;
    height: auto;
}

.main-item-content .item2-content {
    position: absolute;
    background-color: rgba(9, 67, 146, .6);
    text-align: center;
    transition: all .5s;
}

.main-item-content .item2-content .item2-desc {
    font-size: 14px;
    /* padding: 21px 35px 30px; */
    padding: 20px;
    text-align: left;
}

.main-item-content .item2-content button {
    cursor: pointer;
    text-align: center;
    margin-bottom: 24px;
    background-color: rgb(83, 193, 250);
    padding: 8px 34px;
    border: none;
    border-radius: 4px;
    color: #fff;
}


.main-item-content .item2-content-bg .item2-content-txt {
    font-size: 14px;
    color: #565656;
    margin: 0 auto;
    width: 100%;
    max-width: 1200px;
    text-align: center;
    margin-top: 18px;
}

.main .main-big-img a {
    font-size: 0;
}

ul {
    font-size: 16px;
}

.footer .footer-content{
    margin-top: 0;
}

@media screen and (min-width: 1400px) {
    .main-item-content .item2-content-bg .item2-content-txt {
        font-size: 16px;
    }
    
    .main-item-content .item2-content .item2-desc {
        font-size: 15px;
    }
}