.main-bg {
    background: url("../images/5d.jpg") no-repeat;
    height: calc(100vh - 302px);
    width: 100%;
    background-size: 100% auto;
}.main-text {
    text-align: center;
    width: 100%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    height: 100%;
    background: rgba(0, 0, 0, .5);
}.main-text h1 {
    font-size: 60px;
    margin-bottom: 24px;
    color: #fff;
}.main-text p {
    font-size: 20px;
    margin-bottom: 48px;
    color: #fff;
}.main-text a {
    background: #199FB1;
    color: #fff;
    padding: 0 50px;
    line-height: 50px;
    display: inline-block;
    border-radius: 25px;
    border: 2px solid #199FB1;
}.main-text a:hover {
    border-color: #59bf95;
}section {
    background: #fff;
    padding: 50px 0;
}section.s {
    background: #f8f8f8;
}/* .w1200{width: 100px;margin: auto;color: #333;position: relative;} */
.w1200>h2 {
    font-size: 30px;
    margin-bottom: 24px;
    text-align: center;
}.w1200>p {
    font-size: 18px;
    text-align: center;
    color: #666;
}.imgbg3 {
    background: url("../images/server-text3.png");
    width: 920px;
    height: 300px;
    background-position: center;
    background-size: 100% auto;
    margin: 60px auto 30px;
}.imgbg4 {
    background: url("../images/xcxkf.png");
    width: 1014px;
    height: 836px;
    background-position: center;
    background-size: 100% auto;
    margin: 10px auto;
}.bgbn {
    background: url("../images/bggg.jpg") no-repeat;
    background-size: 100%;
    background-position: center;
}.bnbg {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 500px;
    color: #fff;
    background: rgba(0, 0, 0, .5);
}.bnbg h2 {
    font-size: 40px;
    margin-bottom: 40px;
    color: #fff;
}.bnbg h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #fff;
}.bnbg p {
    color: #fff;
}.bnbg a {
    display: inline-block;
    color: #fff;
    background: #199FB1;
    padding: 0 50px;
    line-height: 50px;
    border-radius: 25px;
    margin-top: 30px;
    border: 2px solid #199FB1;
}.bnbg a:hover {
    border-color: #59bf95;
}.anli-list {
    width: 1200px;
    margin: auto;
    flex-wrap: wrap;
    padding: 50px 0 30px 0;
    display: none;
}.anli-item {
    width: 210px;
    margin: 0 15px;
    height: 410px;
    overflow: hidden;
    position: relative;
    border: 1px solid #f6f7fa;
}.anli-item:nth-child(5n) {
    margin-right: 0;
}.anli-item .anli-s img {
    width: 100%;
    height: 370px;
    display: block;
}.anli-item .anli-s p {
    font-size: 14px;
    font-weight: 700;
    background: #f6f7fa;
    width: 100%;
    line-height: 40px;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}.anli-item .anli-h {
    transition: ease .3s;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 370px;
    background: rgba(0, 0, 0, .6);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center
}.anli-item:hover .anli-h {
    top: 0;
}.anli-item .anli-h div {
    background: #fff;
    padding-bottom: 20px;
    border-radius: 4px;
}.anli-item .anli-h img {
    display: block;
    width: 180px;
    height: 180px;
    border-radius: 4px;
}.anli-item .anli-h p {
    margin: 0px 0 20px 0;
    border-bottom: 1px dashed #ddd;
    padding-bottom: 6px;
}.anli-item .anli-h a {
    display: block;
    width: 100px;
    height: 27px;
    border: 1px solid #199FB1;
    border-radius: 2px;
    margin: 0 auto;
    text-align: center;
    line-height: 25px;
    color: #199FB1;
    font-size: 12px;
    border-radius: 50px;
    padding: 0 10px;
}.anli-item .anli-h a:hover {
    background: #199FB1;
    color: #fff;
}.BTN {
    float: left;
    vertical-align: middle;
    font-size: 14px;
    width: 225px;
    border: 1px solid #199FB1;
    height: 44px;
    border-radius: 22px;
    display: block;
    line-height: 43px;
    color: #199FB1;
    text-align: center;
    margin-left: 26px;
    margin-top: 20px;
}.BTN:hover {
    background: #199FB1;
    color: #fff;
}.flexcd {
    display: flex;
    flex-direction: column;
    align-items: center;
}.flexcd h1 {
    font-size: 48px;
    font-weight: 400;
    color: #333;
    margin-bottom: 20px;
}.flexcd h1 span {
    color: #199FB1;
}.flexcd h3 {
    font-size: 20px;
    font-weight: 400;
    color: #444;
}.flexcd ul {
    display: flex;
    justify-content: space-around;
    width: 1200px;
    margin: 50px 0;
}.flexcd ul li {
    flex-shrink: 0;
    width: 160px;
    text-align: center;
}.flexcd ul li.ri {
    width: 14px;
    margin-top: 55px;
}.flexcd ul li p {
    font-size: 16px;
    line-height: 2em;
    color: #333;
    margin-top: 10px;
}.choose-box {
    background: url(../images/box5-bg.jpg) no-repeat ;
    background-size: 100% 100%;
    height: 575px;
}.ter-box {
    width: 100%;
    padding: 50px 0 40px;
    overflow: hidden;
    min-width: 1200px;
    position: relative;
}.ter-tit.t-fff {
    color: #fff;
}.ter-tit {
    width: 100%;
    text-align: center;
    color: #333232;
}.fadeInUp {
    -webkit-animation-name: fadeInUp;
    animation-name: fadeInUp;
}.animated {
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}.ter-tit>.big-tit {
    color: #fff;
    font-size: 30px;
    margin-bottom: 24px;
    font-weight: 700;
}.ter-tit>.sm-tit {
    color: #fff;
    font-size: 18px;
}.choose-content {
    position: relative;
}/* .w1200 {
    width: 1300px;
    height: auto;
    margin: 0 auto;
} */
.choose-content.animation .img1 {
    transform: scale(1);
    -webkit-transition: all 1s linear;
    -moz-transition: all 1s linear;
    transition: all 1s linear;
}.choose-content .img1 {
    position: absolute;
    left: 210px;
    top: 30px;
    transform: scale(0);
}.choose-content .txt.txt1 {
    right: 274px;
    top: 50px;
}.choose-content .txt {
    position: absolute;
}.fadeInRight {
    -webkit-animation-name: fadeInRight;
    animation-name: fadeInRight;
}.choose-content .txt i {
    width: 25px;
    height: 25px;
    background: #0b52bd;
    border: 1px solid #5ea5ef;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    text-align: center;
    font-size: 16px;
    color: #fff;
    line-height: 25px;
    transition: ease .4s;
}.choose-content .txt p {
    transition: ease .4s;
    width: 270px;
    height: 32px;
    -webkit-border-radius: 32px;
    -moz-border-radius: 32px;
    border-radius: 32px;
    background: #0b52bd;
    padding-left: 30px;
    font-size: 16px;
    color: #fff;
    line-height: 32px;
    margin-left: 15px;
    cursor: pointer;
}.dib {
    display: inline-block;
    *zoom: 1;
    *display: inline;
}.choose-content .txt.txt2 {
    right: 220px;
    top: 115px;
}.choose-content .txt.txt3 {
    right: 193px;
    top: 180px;
}.choose-content .txt.txt4 {
    right: 190px;
    top: 245px;
}.choose-content .txt.txt5 {
    right: 193px;
    top: 310px;
}.choose-content .txt.txt6 {
    right: 220px;
    top: 375px;
}.txt:hover i,
.txt:hover p {
    background: #fff;
    color: #0b52bd;
}.entrance {
    overflow: hidden;
    padding-top: 45px;
}.entrance>li {
    float: left;
    text-align: center;
    width: 300px;
}.entrance>li p {
    font-size: 18px;
    color: #434343;
    margin: 20px 0 40px;
}.entrance>li img {
    transition: ease .4s;
}.entrance>li img:hover {
    transform: scale(1.1);
}.sqbtn {
    width: 200px;
    text-align: center;
    line-height: 50px;
    font-size: 18px;
    color: #fff;
    border-radius: 25px;
    background: #199FB1;
    display: block;
    margin: 50px auto 0;
}