/*头部内容*/
.head {
  width: 100%;
  height: auto;
  background: url("../images/head_line.jpg") repeat-y;
}
.head .head_center {
  width: 76%;
  margin: 0 auto;
  height: auto;
  background-color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.head .head_center .logo {
  width: 400px;
  height: 66px;
}
.head .head_center .nav {
  width: calc(100% - 668px);
}
.head .head_center .nav ul {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.head .head_center .nav ul li {
  width: 14%;
}
.head .head_center .nav ul li {
  cursor: pointer;
  position: relative;
  text-align: center;
}

.head .head_center .nav ul li a {
  display: block;
  height: 115px;
  line-height: 115px;
}
.head .head_center .nav ul li::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  height: 3px;
  width: 0%;
  background-color: red;
  transition: all 0.5s;
}
.head .head_center .nav ul li:hover::after {
  width: 100%;
}
.head .head_center .tel {
  width: 225px;
  height: 115px;
}

/*我们的服务*/

.server {
  width: 100%;
  background: url(../images/index_pro_bg.jpg) no-repeat top center;
  -webkit-background-size: cover;
  background-size: cover;
}
.server .server_center {
  width: 76%;
  margin: 0 auto;
  overflow: hidden;
}
.server .server_center .server_tilte {
  margin-top: 64px;
  text-align: center;
}
.server .server_center .server_tilte .server_title_img {
  margin-bottom: 26px;
}

.server .server_center .server_content {
  margin-top: 60px;
  text-align: center;
  margin-bottom: 90px;
}
.server .server_center .server_content img {
  width: 100%;
}
.server_items {
  width: 100%;
  background: url(../images/server_bg.jpg) no-repeat top center;
  -webkit-background-size: cover;
  background-size: cover;
}
.server_items .server_items_center {
  width: 76%;
  margin: 0 auto;
  overflow: hidden;
}
.server_items .server_items_center .server_items_left {
  width: 48%;
  float: left;
}
.server_items .server_items_center .server_items_right {
  width: 48%;
  float: right;
}
.server_items .server_items_center .server_items_left h3 {
  text-align: center;
  font-size: 32px;
  color: #fff;
  font-weight: bold;
  margin-top: 80px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.server_items .server_items_center .server_items_left h3::after {
  content: "";
  display: block;
  width: 10%;
  height: 1px;
  background-color: #fff;
  margin: 0 auto;
}

.server_items .server_items_center .server_items_left ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.server_items .server_items_center .server_items_left ul li {
  width: 32%;
  background-color: #fff;
  text-align: center;
  margin-bottom: 20px;
}

.server_items .server_items_center .server_items_left ul li img {
  display: block;
  margin: 16px auto;
}
.server_items .server_items_center .server_items_left ul li span {
  margin-bottom: 10px;
  display: inline-block;
  font-size: 14px;
  color: #999;
}

.server_items .server_items_center .server_items_right h3 {
  text-align: center;
  font-size: 32px;
  color: #fff;
  font-weight: bold;
  margin-top: 80px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.server_items .server_items_center .server_items_right h3::after {
  content: "";
  display: block;
  width: 10%;
  height: 1px;
  background-color: #fff;
  margin: 0 auto;
}

.server_items .server_items_center .server_items_right ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.server_items .server_items_center .server_items_right ul li {
  width: 32%;
  background-color: #fff;
  text-align: center;
  margin-bottom: 20px;
}

.server_items .server_items_center .server_items_right ul li img {
  display: block;
  margin: 16px auto;
}
.server_items .server_items_center .server_items_right ul li span {
  margin-bottom: 10px;
  display: inline-block;
  font-size: 14px;
  color: #999;
}
.server_items .server_items_center ul li img {
  width: 34%;
  transition: all 0.5s ease;
}
.server_items .server_items_center ul li:hover img {
  transform: rotateY(180deg);
}

/*关于我们*/

.about {
  width: 100%;
}
.about .about_center {
  width: 76%;
  margin: 100px auto;
  overflow: hidden;
}
.about .about_center .about_left {
  float: left;
  width: 52%;
}
.about .about_center .about_left .about_title {
  margin-bottom: 40px;
}
.about .about_center .about_left .about_title img {
  width: 100%;
}
.about .about_center .about_left .about_content {
  margin-bottom: 20px;
}
.about .about_center .about_left .about_content p {
  text-indent: 2em;
  font-size: 16px;
  line-height: 1.8;
  color: #666;
  margin-bottom: 14px;
}
.about .about_center .about_right {
  float: right;
  width: 42%;
}
.about .about_center .about_right img {
  width: 100%;
}

/*合作客户*/
.cooperation {
  width: 100%;
}
.cooperation .cooperation_center {
  width: 76%;
  margin: 0 auto;
}

.cooperation .cooperation_center h3 {
  text-align: center;
  font-size: 28px;
  position: relative;
  font-weight: 700;
  padding-bottom: 5px;
  margin-top: 80px;
}
.cooperation .cooperation_center h3:before {
  left: 38%;
  content: " ";
  display: block;
  border-bottom: 1px solid #797979;
  width: 68px;
  position: absolute;
  margin-left: -0.8rem;
  top: 50%;
  margin-top: -1px;
}
.cooperation .cooperation_center h3:after {
  content: " ";
  display: block;
  border-bottom: 1px solid #797979;
  width: 68px;
  position: absolute;
  margin-left: -0.8rem;
  top: 50%;
  margin-top: -1px;
  right: 38%;
}

.cooperation .cooperation_center p {
  text-align: center;
  font-size: 16px;
  color: #999;
  margin-bottom: 40px;
}

.cooperation .cooperation_center img {
  width: 100%;
}

/*底部样式*/
.footer_contact {
  margin-top: 90px;
  width: 100%;
  background: url(../images/footer_bg.jpg) no-repeat top center;
}
.footer_contact .footer_contact_center {
  width: 76%;
  margin: 0 auto;
  overflow: hidden;
  padding-bottom: 60px;
}
.footer_contact .footer_contact_center .footer_contact_left {
  margin-top: 60px;
  width: 48%;
  float: left;
}
.footer_contact .footer_contact_center .message_top {
  display: flex;
  justify-content: space-between;
}
.footer_contact .footer_contact_center .message_top > div {
  height: 30px;
  border-bottom: 1px solid #878787;
  width: 32%;
}

.footer_contact .footer_contact_center .message_bottom {
  margin-top: 60px;
  width: 100%;
  height: 80px;
  border-bottom: 1px solid #878787;
}
.footer_contact .footer_contact_center input {
  background: none;
  color: #fff;
  font-size: 14px;
}
.footer_contact .footer_contact_center .message_bottom textarea {
  width: 100%;
  height: 74px;
  background: none;
  color: #fff;
}

.footer_contact .footer_contact_center .message button {
  width: 140px;
  height: 40px;
  background: #e17207;
  color: #fff;
  margin-top: 30px;
}

.footer_contact .footer_contact_center .footer_contact_right {
  margin-top: 60px;
  width: 44%;
  float: right;
}

.footer_contact .footer_contact_center .footer_contact_right {
  color: #fff;
}
.footer_contact .footer_contact_center .footer_contact_left .contact_text {
  float: left;
  width: 44%;
}
.footer_contact .footer_contact_center .footer_contact_left .contact_text h3 {
  font-size: 16px;
  font-weight: bold;
  color: #999;
  margin-bottom: 30px;
}
.footer_contact .footer_contact_center .footer_contact_left .contact_text p {
  font-size: 14px;
  color: #999;
  margin-bottom: 20px;
}
.footer_contact .footer_contact_center .footer_contact_right .contact_text p i {
  font-size: 20px;
  margin-right: 10px;
}
.footer_contact .footer_contact_center .footer_contact_right .erweima {
  margin-top: 54px;
  float: right;
  width: 44%;
}
.footer_contact .footer_contact_center .footer_contact_right .erweima_left {
  float: left;
  width: 54%;
}
.footer_contact .footer_contact_center .footer_contact_right .erweima_right {
  float: right;
  width: 40%;
}
.footer_contact .footer_contact_center .footer_contact_right .erweima_right h3 {
  margin-top: 40px;
  margin-bottom: 20px;
  font-size: 18px;
  color: #999;
}
.footer_contact .footer_contact_center .footer_contact_right .erweima_right p {
  font-size: 14px;
  color: #999;
}
.footer_contact .footer_contact_center .footer_contact_right .erweima img {
  width: 100%;
}

.icp {
  height: 48px;
  width: 100%;
  background-color: #ff983d;
  font-size: 14px;
  color: #fff;
  text-align: center;
}

.icp p a {
  font-size: 14px;
  color: #fff;
  line-height: 48px;
}

@media screen and(min-width: 1366px) and (max-width: 1920px) {
  .s-1366 {
    display: none;
  }
  .h-1366 {
    display: block;
  }
}
@media screen and (max-width: 1440px) {
  .hd-1440 {
    display: none;
  }
  .about .about_center .about_left .about_title {
    margin-bottom: 20px;
  }
}

@media screen and (max-width: 1600px) {
  .hd-1440 {
    display: none;
  }
  .about .about_center .about_left .about_title {
    margin-bottom: 20px;
  }
  .n_banner {
    height: 420px;
  }
  .n_banner .n_banner_center {
    width: 76%;
    margin: 0 auto;
    position: relative;
    height: 420px;
  }
  .n_main .n_main_center .about_top .about_right h3 {
    margin-top: 0px;
    font-size: 24px;
    font-family: Arial;
    font-weight: bold;
    text-align: center;
    margin-bottom: 16px;
  }
  .n_main .n_main_center .about_top .about_right p {
    font-size: 16px;
    line-height: 1.5;
    font-family: Arial;
    margin-bottom: 20px;
    text-indent: 2em;
  }
  .n_main .about_zhengshu {
    margin-top: 80px;
    width: 100%;
    height: 500px;
    background: url(../images/server_bg.jpg) no-repeat;
    -webkit-background-size: cover;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
  }
  .n_main .n_main_center .contact .contact_left {
    width: 28%;
    float: left;
    background-color: #efefef;
    padding: 30px;
  }
  .n_main .n_main_center .contact .contact_right {
    width: 63%;
    float: right;
  }
  .n_main .n_main_center .contact .contact_content {
    overflow: hidden;
    width: 100%;
    margin-top: 40px;
  }
  .n_main .n_main_center .contact .contact_right .map {
    width: 100%;
    height: 576px;
  }
  .footer_contact .footer_contact_center .footer_contact_left {
    margin-top: 60px;
    width: 38%;
    float: left;
  }
  .footer_contact .footer_contact_center .footer_contact_right {
    margin-top: 60px;
    width: 56%;
    float: right;
  }
  .footer_contact .footer_contact_center .footer_contact_right .contact_text {
    float: left;
    width: 48%;
  }
}

@media screen and (max-width: 1440px) {
  .n_main .n_main_center .contact .contact_left {
    width: 31%;
    float: left;
    background-color: #efefef;
    padding: 30px;
  }
  .n_main .n_main_center .contact .contact_right {
    width: 59%;
    float: right;
  }
  .n_banner {
    height: 360px;
  }
  .n_banner .n_banner_center {
    width: 76%;
    margin: 0 auto;
    position: relative;
    height: 360px;
  }
  .n_banner .n_banner_center .banner_text h3 {
    font-size: 28px;
    font-weight: bold !important;
    font-family: Arial;
    margin-bottom: 10px;
  }
  .n_banner .n_banner_center .banner_text h3 {
    font-size: 28px;
    font-weight: bold !important;
    font-family: Arial;
    margin-bottom: 10px;
  }
  .footer_contact .footer_contact_center {
    width: 76%;
    margin: 0 auto;
    overflow: hidden;
    padding-bottom: 50px;
  }
  .footer_contact .footer_contact_center .footer_contact_left {
    margin-top: 60px;
    width: 38%;
    float: left;
  }
  .footer_contact .footer_contact_center .footer_contact_right {
    margin-top: 60px;
    width: 56%;
    float: right;
  }
  .footer_contact .footer_contact_center .footer_contact_right .contact_text {
    float: left;
    width: 48%;
  }
  .footer_contact .footer_contact_center .message_bottom {
    margin-top: 32px;
    width: 100%;
    height: 80px;
    border-bottom: 1px solid #878787;
  }
}

@media screen and (max-width: 1366px) {
  .head .head_center .nav ul li a {
    display: block;
    height: 100px;
    line-height: 100px;
  }

  .head .head_center .tel {
    width: 175px;
    height: 100px;
  }
  .s-1366 {
    display: block;
  }
  .h-1366 {
    display: none;
  }
  .n_main .n_main_center .contact .contact_left {
    width: 28%;
    float: left;
    background-color: #efefef;
    padding: 30px;
  }
  .n_main .n_main_center .contact .contact_left h4 {
    font-family: Arial;
    text-align: left;
    font-size: 20px;
    color: #333;
    font-weight: bold;
    margin-bottom: 16px;
    line-height: 1.8;
  }
  .n_main .n_main_center .contact .contact_right {
    width: 62%;
    float: right;
  }
  .n_main .n_main_center .contact .contact_left .contact_erweima {
    margin-top: 30px;
  }
  .n_main .n_main_center .contact .contact_right .map {
    width: 100%;
    height: 518px;
  }
  .n_banner {
    height: 340px;
  }
  .n_banner .n_banner_center {
    width: 76%;
    margin: 0 auto;
    position: relative;
    height: 340px;
  }
  .footer_contact .footer_contact_center {
    width: 76%;
    margin: 0 auto;
    overflow: hidden;
    padding-bottom: 50px;
  }
  .footer_contact .footer_contact_center .footer_contact_left {
    margin-top: 60px;
    width: 38%;
    float: left;
  }
  .footer_contact .footer_contact_center .footer_contact_right {
    margin-top: 60px;
    width: 56%;
    float: right;
  }
  .footer_contact .footer_contact_center .footer_contact_right .contact_text {
    float: left;
    width: 48%;
  }
  .footer_contact .footer_contact_center .message_bottom {
    margin-top: 32px;
    width: 100%;
    height: 80px;
    border-bottom: 1px solid #878787;
  }
  .n_banner .n_banner_center .banner_text p {
    font-size: 20px;
    font-family: Arial;
  }
}